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1428 files changed, 20488 insertions, 11190 deletions
diff --git a/.get_maintainer.ignore b/.get_maintainer.ignore new file mode 100644 index 000000000000..cca6d870f7a5 --- /dev/null +++ b/.get_maintainer.ignore @@ -0,0 +1 @@ +Christoph Hellwig <hch@lst.de> @@ -17,6 +17,7 @@ Aleksey Gorelov <aleksey_gorelov@phoenix.com> Al Viro <viro@ftp.linux.org.uk> Al Viro <viro@zenIV.linux.org.uk> Andreas Herrmann <aherrman@de.ibm.com> +Andrey Ryabinin <ryabinin.a.a@gmail.com> <a.ryabinin@samsung.com> Andrew Morton <akpm@linux-foundation.org> Andrew Vasquez <andrew.vasquez@qlogic.com> Andy Adamson <andros@citi.umich.edu> @@ -116,6 +117,7 @@ Shiraz Hashim <shiraz.linux.kernel@gmail.com> <shiraz.hashim@st.com> Simon Kelley <simon@thekelleys.org.uk> Stéphane Witzmann <stephane.witzmann@ubpmes.univ-bpclermont.fr> Stephen Hemminger <shemminger@osdl.org> +Sudeep Holla <sudeep.holla@arm.com> Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com> Sumit Semwal <sumit.semwal@ti.com> Tejun Heo <htejun@gmail.com> Thomas Graf <tgraf@suug.ch> @@ -125,7 +127,9 @@ Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Uwe Kleine-König <ukl@pengutronix.de> Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> Valdis Kletnieks <Valdis.Kletnieks@vt.edu> -Viresh Kumar <viresh.linux@gmail.com> <viresh.kumar@st.com> +Viresh Kumar <vireshk@kernel.org> <viresh.kumar@st.com> +Viresh Kumar <vireshk@kernel.org> <viresh.linux@gmail.com> +Viresh Kumar <vireshk@kernel.org> <viresh.kumar2@arm.com> Takashi YOSHII <takashi.yoshii.zj@renesas.com> Yusuke Goda <goda.yusuke@renesas.com> Gustavo Padovan <gustavo@las.ic.unicamp.br> diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index bbed111c31b4..70c9b1ac66db 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -1234,10 +1234,8 @@ Description: object is near the sensor, usually be observing reflectivity of infrared or ultrasound emitted. Often these sensors are unit less and as such conversion - to SI units is not possible. Where it is, the units should - be meters. If such a conversion is not possible, the reported - values should behave in the same way as a distance, i.e. lower - values indicate something is closer to the sensor. + to SI units is not possible. Higher proximity measurements + indicate closer objects, and vice versa. What: /sys/.../iio:deviceX/in_illuminance_input What: /sys/.../iio:deviceX/in_illuminance_raw diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl index c0312cbd023d..2fb9a5457522 100644 --- a/Documentation/DocBook/drm.tmpl +++ b/Documentation/DocBook/drm.tmpl @@ -3383,7 +3383,7 @@ void intel_crt_init(struct drm_device *dev) <td valign="top" >TBD</td> </tr> <tr> - <td rowspan="2" valign="top" >omap</td> + <td valign="top" >omap</td> <td valign="top" >Generic</td> <td valign="top" >“zorder”</td> <td valign="top" >RANGE</td> diff --git a/Documentation/acpi/method-tracing.txt b/Documentation/acpi/method-tracing.txt index f6efb1ea559a..c2505eefc878 100644 --- a/Documentation/acpi/method-tracing.txt +++ b/Documentation/acpi/method-tracing.txt @@ -1,26 +1,192 @@ -/sys/module/acpi/parameters/: +ACPICA Trace Facility -trace_method_name - The AML method name that the user wants to trace +Copyright (C) 2015, Intel Corporation +Author: Lv Zheng <lv.zheng@intel.com> -trace_debug_layer - The temporary debug_layer used when tracing the method. - Using 0xffffffff by default if it is 0. -trace_debug_level - The temporary debug_level used when tracing the method. - Using 0x00ffffff by default if it is 0. +Abstract: -trace_state - The status of the tracing feature. +This document describes the functions and the interfaces of the method +tracing facility. + +1. Functionalities and usage examples: + + ACPICA provides method tracing capability. And two functions are + currently implemented using this capability. + + A. Log reducer + ACPICA subsystem provides debugging outputs when CONFIG_ACPI_DEBUG is + enabled. The debugging messages which are deployed via + ACPI_DEBUG_PRINT() macro can be reduced at 2 levels - per-component + level (known as debug layer, configured via + /sys/module/acpi/parameters/debug_layer) and per-type level (known as + debug level, configured via /sys/module/acpi/parameters/debug_level). + + But when the particular layer/level is applied to the control method + evaluations, the quantity of the debugging outputs may still be too + large to be put into the kernel log buffer. The idea thus is worked out + to only enable the particular debug layer/level (normally more detailed) + logs when the control method evaluation is started, and disable the + detailed logging when the control method evaluation is stopped. + + The following command examples illustrate the usage of the "log reducer" + functionality: + a. Filter out the debug layer/level matched logs when control methods + are being evaluated: + # cd /sys/module/acpi/parameters + # echo "0xXXXXXXXX" > trace_debug_layer + # echo "0xYYYYYYYY" > trace_debug_level + # echo "enable" > trace_state + b. Filter out the debug layer/level matched logs when the specified + control method is being evaluated: + # cd /sys/module/acpi/parameters + # echo "0xXXXXXXXX" > trace_debug_layer + # echo "0xYYYYYYYY" > trace_debug_level + # echo "\PPPP.AAAA.TTTT.HHHH" > trace_method_name + # echo "method" > /sys/module/acpi/parameters/trace_state + c. Filter out the debug layer/level matched logs when the specified + control method is being evaluated for the first time: + # cd /sys/module/acpi/parameters + # echo "0xXXXXXXXX" > trace_debug_layer + # echo "0xYYYYYYYY" > trace_debug_level + # echo "\PPPP.AAAA.TTTT.HHHH" > trace_method_name + # echo "method-once" > /sys/module/acpi/parameters/trace_state + Where: + 0xXXXXXXXX/0xYYYYYYYY: Refer to Documentation/acpi/debug.txt for + possible debug layer/level masking values. + \PPPP.AAAA.TTTT.HHHH: Full path of a control method that can be found + in the ACPI namespace. It needn't be an entry + of a control method evaluation. + + B. AML tracer + + There are special log entries added by the method tracing facility at + the "trace points" the AML interpreter starts/stops to execute a control + method, or an AML opcode. Note that the format of the log entries are + subject to change: + [ 0.186427] exdebug-0398 ex_trace_point : Method Begin [0xf58394d8:\_SB.PCI0.LPCB.ECOK] execution. + [ 0.186630] exdebug-0398 ex_trace_point : Opcode Begin [0xf5905c88:If] execution. + [ 0.186820] exdebug-0398 ex_trace_point : Opcode Begin [0xf5905cc0:LEqual] execution. + [ 0.187010] exdebug-0398 ex_trace_point : Opcode Begin [0xf5905a20:-NamePath-] execution. + [ 0.187214] exdebug-0398 ex_trace_point : Opcode End [0xf5905a20:-NamePath-] execution. + [ 0.187407] exdebug-0398 ex_trace_point : Opcode Begin [0xf5905f60:One] execution. + [ 0.187594] exdebug-0398 ex_trace_point : Opcode End [0xf5905f60:One] execution. + [ 0.187789] exdebug-0398 ex_trace_point : Opcode End [0xf5905cc0:LEqual] execution. + [ 0.187980] exdebug-0398 ex_trace_point : Opcode Begin [0xf5905cc0:Return] execution. + [ 0.188146] exdebug-0398 ex_trace_point : Opcode Begin [0xf5905f60:One] execution. + [ 0.188334] exdebug-0398 ex_trace_point : Opcode End [0xf5905f60:One] execution. + [ 0.188524] exdebug-0398 ex_trace_point : Opcode End [0xf5905cc0:Return] execution. + [ 0.188712] exdebug-0398 ex_trace_point : Opcode End [0xf5905c88:If] execution. + [ 0.188903] exdebug-0398 ex_trace_point : Method End [0xf58394d8:\_SB.PCI0.LPCB.ECOK] execution. - "enabled" means this feature is enabled - and the AML method is traced every time it's executed. + Developers can utilize these special log entries to track the AML + interpretion, thus can aid issue debugging and performance tuning. Note + that, as the "AML tracer" logs are implemented via ACPI_DEBUG_PRINT() + macro, CONFIG_ACPI_DEBUG is also required to be enabled for enabling + "AML tracer" logs. - "1" means this feature is enabled and the AML method - will only be traced during the next execution. + The following command examples illustrate the usage of the "AML tracer" + functionality: + a. Filter out the method start/stop "AML tracer" logs when control + methods are being evaluated: + # cd /sys/module/acpi/parameters + # echo "0x80" > trace_debug_layer + # echo "0x10" > trace_debug_level + # echo "enable" > trace_state + b. Filter out the method start/stop "AML tracer" when the specified + control method is being evaluated: + # cd /sys/module/acpi/parameters + # echo "0x80" > trace_debug_layer + # echo "0x10" > trace_debug_level + # echo "\PPPP.AAAA.TTTT.HHHH" > trace_method_name + # echo "method" > trace_state + c. Filter out the method start/stop "AML tracer" logs when the specified + control method is being evaluated for the first time: + # cd /sys/module/acpi/parameters + # echo "0x80" > trace_debug_layer + # echo "0x10" > trace_debug_level + # echo "\PPPP.AAAA.TTTT.HHHH" > trace_method_name + # echo "method-once" > trace_state + d. Filter out the method/opcode start/stop "AML tracer" when the + specified control method is being evaluated: + # cd /sys/module/acpi/parameters + # echo "0x80" > trace_debug_layer + # echo "0x10" > trace_debug_level + # echo "\PPPP.AAAA.TTTT.HHHH" > trace_method_name + # echo "opcode" > trace_state + e. Filter out the method/opcode start/stop "AML tracer" when the + specified control method is being evaluated for the first time: + # cd /sys/module/acpi/parameters + # echo "0x80" > trace_debug_layer + # echo "0x10" > trace_debug_level + # echo "\PPPP.AAAA.TTTT.HHHH" > trace_method_name + # echo "opcode-opcode" > trace_state - "disabled" means this feature is disabled. - Users can enable/disable this debug tracing feature by - "echo string > /sys/module/acpi/parameters/trace_state". - "string" should be one of "enable", "disable" and "1". + Note that all above method tracing facility related module parameters can + be used as the boot parameters, for example: + acpi.trace_debug_layer=0x80 acpi.trace_debug_level=0x10 \ + acpi.trace_method_name=\_SB.LID0._LID acpi.trace_state=opcode-once + +2. Interface descriptions: + + All method tracing functions can be configured via ACPI module + parameters that are accessible at /sys/module/acpi/parameters/: + + trace_method_name + The full path of the AML method that the user wants to trace. + Note that the full path shouldn't contain the trailing "_"s in its + name segments but may contain "\" to form an absolute path. + + trace_debug_layer + The temporary debug_layer used when the tracing feature is enabled. + Using ACPI_EXECUTER (0x80) by default, which is the debug_layer + used to match all "AML tracer" logs. + + trace_debug_level + The temporary debug_level used when the tracing feature is enabled. + Using ACPI_LV_TRACE_POINT (0x10) by default, which is the + debug_level used to match all "AML tracer" logs. + + trace_state + The status of the tracing feature. + Users can enable/disable this debug tracing feature by executing + the following command: + # echo string > /sys/module/acpi/parameters/trace_state + Where "string" should be one of the followings: + "disable" + Disable the method tracing feature. + "enable" + Enable the method tracing feature. + ACPICA debugging messages matching + "trace_debug_layer/trace_debug_level" during any method + execution will be logged. + "method" + Enable the method tracing feature. + ACPICA debugging messages matching + "trace_debug_layer/trace_debug_level" during method execution + of "trace_method_name" will be logged. + "method-once" + Enable the method tracing feature. + ACPICA debugging messages matching + "trace_debug_layer/trace_debug_level" during method execution + of "trace_method_name" will be logged only once. + "opcode" + Enable the method tracing feature. + ACPICA debugging messages matching + "trace_debug_layer/trace_debug_level" during method/opcode + execution of "trace_method_name" will be logged. + "opcode-once" + Enable the method tracing feature. + ACPICA debugging messages matching + "trace_debug_layer/trace_debug_level" during method/opcode + execution of "trace_method_name" will be logged only once. + Note that, the difference between the "enable" and other feature + enabling options are: + 1. When "enable" is specified, since + "trace_debug_layer/trace_debug_level" shall apply to all control + method evaluations, after configuring "trace_state" to "enable", + "trace_method_name" will be reset to NULL. + 2. When "method/opcode" is specified, if + "trace_method_name" is NULL when "trace_state" is configured to + these options, the "trace_debug_layer/trace_debug_level" will + apply to all control method evaluations. diff --git a/Documentation/arm/SPEAr/overview.txt b/Documentation/arm/SPEAr/overview.txt index 65610bf52ebf..1b049be6c84f 100644 --- a/Documentation/arm/SPEAr/overview.txt +++ b/Documentation/arm/SPEAr/overview.txt @@ -60,4 +60,4 @@ Introduction Document Author --------------- - Viresh Kumar <viresh.linux@gmail.com>, (c) 2010-2012 ST Microelectronics + Viresh Kumar <vireshk@kernel.org>, (c) 2010-2012 ST Microelectronics diff --git a/Documentation/cpu-freq/core.txt b/Documentation/cpu-freq/core.txt index 70933eadc308..ba78e7c2a069 100644 --- a/Documentation/cpu-freq/core.txt +++ b/Documentation/cpu-freq/core.txt @@ -55,16 +55,13 @@ transition notifiers. ---------------------------- These are notified when a new policy is intended to be set. Each -CPUFreq policy notifier is called three times for a policy transition: +CPUFreq policy notifier is called twice for a policy transition: 1.) During CPUFREQ_ADJUST all CPUFreq notifiers may change the limit if they see a need for this - may it be thermal considerations or hardware limitations. -2.) During CPUFREQ_INCOMPATIBLE only changes may be done in order to avoid - hardware failure. - -3.) And during CPUFREQ_NOTIFY all notifiers are informed of the new policy +2.) And during CPUFREQ_NOTIFY all notifiers are informed of the new policy - if two hardware drivers failed to agree on a new policy before this stage, the incompatible hardware shall be shut down, and the user informed of this. diff --git a/Documentation/device-mapper/cache.txt b/Documentation/device-mapper/cache.txt index 82960cffbad3..785eab87aa71 100644 --- a/Documentation/device-mapper/cache.txt +++ b/Documentation/device-mapper/cache.txt @@ -258,6 +258,12 @@ cache metadata mode : ro if read-only, rw if read-write no further I/O will be permitted and the status will just contain the string 'Fail'. The userspace recovery tools should then be used. +needs_check : 'needs_check' if set, '-' if not set + A metadata operation has failed, resulting in the needs_check + flag being set in the metadata's superblock. The metadata + device must be deactivated and checked/repaired before the + cache can be made fully operational again. '-' indicates + needs_check is not set. Messages -------- diff --git a/Documentation/device-mapper/thin-provisioning.txt b/Documentation/device-mapper/thin-provisioning.txt index 4f67578b2954..1699a55b7b70 100644 --- a/Documentation/device-mapper/thin-provisioning.txt +++ b/Documentation/device-mapper/thin-provisioning.txt @@ -296,7 +296,7 @@ ii) Status underlying device. When this is enabled when loading the table, it can get disabled if the underlying device doesn't support it. - ro|rw + ro|rw|out_of_data_space If the pool encounters certain types of device failures it will drop into a read-only metadata mode in which no changes to the pool metadata (like allocating new blocks) are permitted. @@ -314,6 +314,13 @@ ii) Status module parameter can be used to change this timeout -- it defaults to 60 seconds but may be disabled using a value of 0. + needs_check + A metadata operation has failed, resulting in the needs_check + flag being set in the metadata's superblock. The metadata + device must be deactivated and checked/repaired before the + thin-pool can be made fully operational again. '-' indicates + needs_check is not set. + iii) Messages create_thin <dev id> diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt index d6b794cef0b8..91e6e5c478d0 100644 --- a/Documentation/devicetree/bindings/arm/cpus.txt +++ b/Documentation/devicetree/bindings/arm/cpus.txt @@ -199,6 +199,7 @@ nodes to be present and contain the properties described below. "qcom,kpss-acc-v1" "qcom,kpss-acc-v2" "rockchip,rk3066-smp" + "ste,dbx500-smp" - cpu-release-addr Usage: required for systems that have an "enable-method" diff --git a/Documentation/devicetree/bindings/clock/mt8173-cpu-dvfs.txt b/Documentation/devicetree/bindings/clock/mt8173-cpu-dvfs.txt new file mode 100644 index 000000000000..52b457c23eed --- /dev/null +++ b/Documentation/devicetree/bindings/clock/mt8173-cpu-dvfs.txt @@ -0,0 +1,83 @@ +Device Tree Clock bindins for CPU DVFS of Mediatek MT8173 SoC + +Required properties: +- clocks: A list of phandle + clock-specifier pairs for the clocks listed in clock names. +- clock-names: Should contain the following: + "cpu" - The multiplexer for clock input of CPU cluster. + "intermediate" - A parent of "cpu" clock which is used as "intermediate" clock + source (usually MAINPLL) when the original CPU PLL is under + transition and not stable yet. + Please refer to Documentation/devicetree/bindings/clk/clock-bindings.txt for + generic clock consumer properties. +- proc-supply: Regulator for Vproc of CPU cluster. + +Optional properties: +- sram-supply: Regulator for Vsram of CPU cluster. When present, the cpufreq driver + needs to do "voltage tracking" to step by step scale up/down Vproc and + Vsram to fit SoC specific needs. When absent, the voltage scaling + flow is handled by hardware, hence no software "voltage tracking" is + needed. + +Example: +-------- + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x000>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; + clocks = <&infracfg CLK_INFRA_CA53SEL>, + <&apmixedsys CLK_APMIXED_MAINPLL>; + clock-names = "cpu", "intermediate"; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x001>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; + clocks = <&infracfg CLK_INFRA_CA53SEL>, + <&apmixedsys CLK_APMIXED_MAINPLL>; + clock-names = "cpu", "intermediate"; + }; + + cpu2: cpu@100 { + device_type = "cpu"; + compatible = "arm,cortex-a57"; + reg = <0x100>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; + clocks = <&infracfg CLK_INFRA_CA57SEL>, + <&apmixedsys CLK_APMIXED_MAINPLL>; + clock-names = "cpu", "intermediate"; + }; + + cpu3: cpu@101 { + device_type = "cpu"; + compatible = "arm,cortex-a57"; + reg = <0x101>; + enable-method = "psci"; + cpu-idle-states = <&CPU_SLEEP_0>; + clocks = <&infracfg CLK_INFRA_CA57SEL>, + <&apmixedsys CLK_APMIXED_MAINPLL>; + clock-names = "cpu", "intermediate"; + }; + + &cpu0 { + proc-supply = <&mt6397_vpca15_reg>; + }; + + &cpu1 { + proc-supply = <&mt6397_vpca15_reg>; + }; + + &cpu2 { + proc-supply = <&da9211_vcpu_reg>; + sram-supply = <&mt6397_vsramca7_reg>; + }; + + &cpu3 { + proc-supply = <&da9211_vcpu_reg>; + sram-supply = <&mt6397_vsramca7_reg>; + }; diff --git a/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt b/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt index b54bf3a2ff57..3e36c1d11386 100644 --- a/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt +++ b/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt @@ -11,15 +11,14 @@ to various devfreq devices. The devfreq devices would use the event data when derterming the current state of each IP. Required properties: -- compatible: Should be "samsung,exynos-ppmu". +- compatible: Should be "samsung,exynos-ppmu" or "samsung,exynos-ppmu-v2. - reg: physical base address of each PPMU and length of memory mapped region. Optional properties: - clock-names : the name of clock used by the PPMU, "ppmu" - clocks : phandles for clock specified in "clock-names" property -- #clock-cells: should be 1. -Example1 : PPMU nodes in exynos3250.dtsi are listed below. +Example1 : PPMUv1 nodes in exynos3250.dtsi are listed below. ppmu_dmc0: ppmu_dmc0@106a0000 { compatible = "samsung,exynos-ppmu"; @@ -108,3 +107,41 @@ Example2 : Events of each PPMU node in exynos3250-rinato.dts are listed below. }; }; }; + +Example3 : PPMUv2 nodes in exynos5433.dtsi are listed below. + + ppmu_d0_cpu: ppmu_d0_cpu@10480000 { + compatible = "samsung,exynos-ppmu-v2"; + reg = <0x10480000 0x2000>; + status = "disabled"; + }; + + ppmu_d0_general: ppmu_d0_general@10490000 { + compatible = "samsung,exynos-ppmu-v2"; + reg = <0x10490000 0x2000>; + status = "disabled"; + }; + + ppmu_d0_rt: ppmu_d0_rt@104a0000 { + compatible = "samsung,exynos-ppmu-v2"; + reg = <0x104a0000 0x2000>; + status = "disabled"; + }; + + ppmu_d1_cpu: ppmu_d1_cpu@104b0000 { + compatible = "samsung,exynos-ppmu-v2"; + reg = <0x104b0000 0x2000>; + status = "disabled"; + }; + + ppmu_d1_general: ppmu_d1_general@104c0000 { + compatible = "samsung,exynos-ppmu-v2"; + reg = <0x104c0000 0x2000>; + status = "disabled"; + }; + + ppmu_d1_rt: ppmu_d1_rt@104d0000 { + compatible = "samsung,exynos-ppmu-v2"; + reg = <0x104d0000 0x2000>; + status = "disabled"; + }; diff --git a/Documentation/devicetree/bindings/dma/apm-xgene-dma.txt b/Documentation/devicetree/bindings/dma/apm-xgene-dma.txt index d3058768b23d..c53e0b08032f 100644 --- a/Documentation/devicetree/bindings/dma/apm-xgene-dma.txt +++ b/Documentation/devicetree/bindings/dma/apm-xgene-dma.txt @@ -35,7 +35,7 @@ Example: device_type = "dma"; reg = <0x0 0x1f270000 0x0 0x10000>, <0x0 0x1f200000 0x0 0x10000>, - <0x0 0x1b008000 0x0 0x2000>, + <0x0 0x1b000000 0x0 0x400000>, <0x0 0x1054a000 0x0 0x100>; interrupts = <0x0 0x82 0x4>, <0x0 0xb8 0x4>, diff --git a/Documentation/devicetree/bindings/drm/imx/fsl-imx-drm.txt b/Documentation/devicetree/bindings/drm/imx/fsl-imx-drm.txt index e75f0e549fff..971c3eedb1c7 100644 --- a/Documentation/devicetree/bindings/drm/imx/fsl-imx-drm.txt +++ b/Documentation/devicetree/bindings/drm/imx/fsl-imx-drm.txt @@ -65,8 +65,10 @@ Optional properties: - edid: verbatim EDID data block describing attached display. - ddc: phandle describing the i2c bus handling the display data channel -- port: A port node with endpoint definitions as defined in +- port@[0-1]: Port nodes with endpoint definitions as defined in Documentation/devicetree/bindings/media/video-interfaces.txt. + Port 0 is the input port connected to the IPU display interface, + port 1 is the output port connected to a panel. example: @@ -75,9 +77,29 @@ display@di0 { edid = [edid-data]; interface-pix-fmt = "rgb24"; - port { + port@0 { + reg = <0>; + display_in: endpoint { remote-endpoint = <&ipu_di0_disp0>; }; }; + + port@1 { + reg = <1>; + + display_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; +}; + +panel { + ... + + port { + panel_in: endpoint { + remote-endpoint = <&display_out>; + }; + }; }; diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt index c03eec116872..3443e0f838df 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt +++ b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt @@ -35,3 +35,6 @@ the PCIe specification. NOTE: this only applies to the SMMU itself, not masters connected upstream of the SMMU. + +- hisilicon,broken-prefetch-cmd + : Avoid sending CMD_PREFETCH_* commands to the SMMU. diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt index 5d0376b8f202..211e7785f4d2 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt @@ -17,7 +17,6 @@ Required properties: "fsl,imx6sx-usdhc" Optional properties: -- fsl,cd-controller : Indicate to use controller internal card detection - fsl,wp-controller : Indicate to use controller internal write protection - fsl,delay-line : Specify the number of delay cells for override mode. This is used to set the clock delay for DLL(Delay Line) on override mode @@ -35,7 +34,6 @@ esdhc@70004000 { compatible = "fsl,imx51-esdhc"; reg = <0x70004000 0x4000>; interrupts = <1>; - fsl,cd-controller; fsl,wp-controller; }; diff --git a/Documentation/devicetree/bindings/power/opp.txt b/Documentation/devicetree/bindings/opp/opp.txt index 0d5e7c978121..0cb44dc21f97 100644 --- a/Documentation/devicetree/bindings/power/opp.txt +++ b/Documentation/devicetree/bindings/opp/opp.txt @@ -88,7 +88,7 @@ This defines voltage-current-frequency combinations along with other related properties. Required properties: -- opp-hz: Frequency in Hz +- opp-hz: Frequency in Hz, expressed as a 64-bit big-endian integer. Optional properties: - opp-microvolt: voltage in micro Volts. @@ -158,20 +158,20 @@ Example 1: Single cluster Dual-core ARM cortex A9, switch DVFS states together. opp-shared; opp00 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; opp-microvolt = <970000 975000 985000>; opp-microamp = <70000>; clock-latency-ns = <300000>; opp-suspend; }; opp01 { - opp-hz = <1100000000>; + opp-hz = /bits/ 64 <1100000000>; opp-microvolt = <980000 1000000 1010000>; opp-microamp = <80000>; clock-latency-ns = <310000>; }; opp02 { - opp-hz = <1200000000>; + opp-hz = /bits/ 64 <1200000000>; opp-microvolt = <1025000>; clock-latency-ns = <290000>; turbo-mode; @@ -237,20 +237,20 @@ independently. */ opp00 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; opp-microvolt = <970000 975000 985000>; opp-microamp = <70000>; clock-latency-ns = <300000>; opp-suspend; }; opp01 { - opp-hz = <1100000000>; + opp-hz = /bits/ 64 <1100000000>; opp-microvolt = <980000 1000000 1010000>; opp-microamp = <80000>; clock-latency-ns = <310000>; }; opp02 { - opp-hz = <1200000000>; + opp-hz = /bits/ 64 <1200000000>; opp-microvolt = <1025000>; opp-microamp = <90000; lock-latency-ns = <290000>; @@ -313,20 +313,20 @@ DVFS state together. opp-shared; opp00 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; opp-microvolt = <970000 975000 985000>; opp-microamp = <70000>; clock-latency-ns = <300000>; opp-suspend; }; opp01 { - opp-hz = <1100000000>; + opp-hz = /bits/ 64 <1100000000>; opp-microvolt = <980000 1000000 1010000>; opp-microamp = <80000>; clock-latency-ns = <310000>; }; opp02 { - opp-hz = <1200000000>; + opp-hz = /bits/ 64 <1200000000>; opp-microvolt = <1025000>; opp-microamp = <90000>; clock-latency-ns = <290000>; @@ -339,20 +339,20 @@ DVFS state together. opp-shared; opp10 { - opp-hz = <1300000000>; + opp-hz = /bits/ 64 <1300000000>; opp-microvolt = <1045000 1050000 1055000>; opp-microamp = <95000>; clock-latency-ns = <400000>; opp-suspend; }; opp11 { - opp-hz = <1400000000>; + opp-hz = /bits/ 64 <1400000000>; opp-microvolt = <1075000>; opp-microamp = <100000>; clock-latency-ns = <400000>; }; opp12 { - opp-hz = <1500000000>; + opp-hz = /bits/ 64 <1500000000>; opp-microvolt = <1010000 1100000 1110000>; opp-microamp = <95000>; clock-latency-ns = <400000>; @@ -379,7 +379,7 @@ Example 4: Handling multiple regulators opp-shared; opp00 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; opp-microvolt = <970000>, /* Supply 0 */ <960000>, /* Supply 1 */ <960000>; /* Supply 2 */ @@ -392,7 +392,7 @@ Example 4: Handling multiple regulators /* OR */ opp00 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; opp-microvolt = <970000 975000 985000>, /* Supply 0 */ <960000 965000 975000>, /* Supply 1 */ <960000 965000 975000>; /* Supply 2 */ @@ -405,7 +405,7 @@ Example 4: Handling multiple regulators /* OR */ opp00 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; opp-microvolt = <970000 975000 985000>, /* Supply 0 */ <960000 965000 975000>, /* Supply 1 */ <960000 965000 975000>; /* Supply 2 */ @@ -437,12 +437,12 @@ Example 5: Multiple OPP tables opp-shared; opp00 { - opp-hz = <600000000>; + opp-hz = /bits/ 64 <600000000>; ... }; opp01 { - opp-hz = <800000000>; + opp-hz = /bits/ 64 <800000000>; ... }; }; @@ -453,12 +453,12 @@ Example 5: Multiple OPP tables opp-shared; opp10 { - opp-hz = <1000000000>; + opp-hz = /bits/ 64 <1000000000>; ... }; opp11 { - opp-hz = <1100000000>; + opp-hz = /bits/ 64 <1100000000>; ... }; }; diff --git a/Documentation/devicetree/bindings/phy/ti-phy.txt b/Documentation/devicetree/bindings/phy/ti-phy.txt index 305e3df3d9b1..9cf9446eaf2e 100644 --- a/Documentation/devicetree/bindings/phy/ti-phy.txt +++ b/Documentation/devicetree/bindings/phy/ti-phy.txt @@ -82,6 +82,9 @@ Optional properties: - id: If there are multiple instance of the same type, in order to differentiate between each instance "id" can be used (e.g., multi-lane PCIe PHY). If "id" is not provided, it is set to default value of '1'. + - syscon-pllreset: Handle to system control region that contains the + CTRL_CORE_SMA_SW_0 register and register offset to the CTRL_CORE_SMA_SW_0 + register that contains the SATA_PLL_SOFT_RESET bit. Only valid for sata_phy. This is usually a subnode of ocp2scp to which it is connected. @@ -100,3 +103,16 @@ usb3phy@4a084400 { "sysclk", "refclk"; }; + +sata_phy: phy@4A096000 { + compatible = "ti,phy-pipe3-sata"; + reg = <0x4A096000 0x80>, /* phy_rx */ + <0x4A096400 0x64>, /* phy_tx */ + <0x4A096800 0x40>; /* pll_ctrl */ + reg-names = "phy_rx", "phy_tx", "pll_ctrl"; + ctrl-module = <&omap_control_sata>; + clocks = <&sys_clkin1>, <&sata_ref_clk>; + clock-names = "sysclk", "refclk"; + syscon-pllreset = <&scm_conf 0x3fc>; + #phy-cells = <0>; +}; diff --git a/Documentation/devicetree/bindings/sound/mt8173-max98090.txt b/Documentation/devicetree/bindings/sound/mt8173-max98090.txt index 829bd26d17f8..519e97c8f1b8 100644 --- a/Documentation/devicetree/bindings/sound/mt8173-max98090.txt +++ b/Documentation/devicetree/bindings/sound/mt8173-max98090.txt @@ -3,11 +3,13 @@ MT8173 with MAX98090 CODEC Required properties: - compatible : "mediatek,mt8173-max98090" - mediatek,audio-codec: the phandle of the MAX98090 audio codec +- mediatek,platform: the phandle of MT8173 ASoC platform Example: sound { compatible = "mediatek,mt8173-max98090"; mediatek,audio-codec = <&max98090>; + mediatek,platform = <&afe>; }; diff --git a/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt b/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt index 61e98c976bd4..f205ce9e31dd 100644 --- a/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt +++ b/Documentation/devicetree/bindings/sound/mt8173-rt5650-rt5676.txt @@ -3,11 +3,13 @@ MT8173 with RT5650 RT5676 CODECS Required properties: - compatible : "mediatek,mt8173-rt5650-rt5676" - mediatek,audio-codec: the phandles of rt5650 and rt5676 codecs +- mediatek,platform: the phandle of MT8173 ASoC platform Example: sound { compatible = "mediatek,mt8173-rt5650-rt5676"; mediatek,audio-codec = <&rt5650 &rt5676>; + mediatek,platform = <&afe>; }; diff --git a/Documentation/devicetree/bindings/spi/spi-ath79.txt b/Documentation/devicetree/bindings/spi/spi-ath79.txt index f1ad9c367532..9c696fa66f81 100644 --- a/Documentation/devicetree/bindings/spi/spi-ath79.txt +++ b/Documentation/devicetree/bindings/spi/spi-ath79.txt @@ -3,7 +3,7 @@ Binding for Qualcomm Atheros AR7xxx/AR9xxx SPI controller Required properties: - compatible: has to be "qca,<soc-type>-spi", "qca,ar7100-spi" as fallback. - reg: Base address and size of the controllers memory area -- clocks: phandle to the AHB clock. +- clocks: phandle of the AHB clock. - clock-names: has to be "ahb". - #address-cells: <1>, as required by generic SPI binding. - #size-cells: <0>, also as required by generic SPI binding. @@ -12,9 +12,9 @@ Child nodes as per the generic SPI binding. Example: - spi@1F000000 { + spi@1f000000 { compatible = "qca,ar9132-spi", "qca,ar7100-spi"; - reg = <0x1F000000 0x10>; + reg = <0x1f000000 0x10>; clocks = <&pll 2>; clock-names = "ahb"; diff --git a/Documentation/hwmon/nct7904 b/Documentation/hwmon/nct7904 index 014f112e2a14..57fffe33ebfc 100644 --- a/Documentation/hwmon/nct7904 +++ b/Documentation/hwmon/nct7904 @@ -35,11 +35,11 @@ temp1_input Local temperature (1/1000 degree, temp[2-9]_input CPU temperatures (1/1000 degree, 0.125 degree resolution) -fan[1-4]_mode R/W, 0/1 for manual or SmartFan mode +pwm[1-4]_enable R/W, 1/2 for manual or SmartFan mode Setting SmartFan mode is supported only if it has been previously configured by BIOS (or configuration EEPROM) -fan[1-4]_pwm R/O in SmartFan mode, R/W in manual control mode +pwm[1-4] R/O in SmartFan mode, R/W in manual control mode The driver checks sensor control registers and does not export the sensors that are not enabled. Anyway, a sensor that is enabled may actually be not diff --git a/Documentation/input/alps.txt b/Documentation/input/alps.txt index c86f2f1ae4f6..1fec1135791d 100644 --- a/Documentation/input/alps.txt +++ b/Documentation/input/alps.txt @@ -119,8 +119,10 @@ ALPS Absolute Mode - Protocol Version 2 byte 5: 0 z6 z5 z4 z3 z2 z1 z0 Protocol Version 2 DualPoint devices send standard PS/2 mouse packets for -the DualPoint Stick. For non interleaved dualpoint devices the pointingstick -buttons get reported separately in the PSM, PSR and PSL bits. +the DualPoint Stick. The M, R and L bits signal the combined status of both +the pointingstick and touchpad buttons, except for Dell dualpoint devices +where the pointingstick buttons get reported separately in the PSM, PSR +and PSL bits. Dualpoint device -- interleaved packet format --------------------------------------------- diff --git a/Documentation/target/tcm_mod_builder.py b/Documentation/target/tcm_mod_builder.py index 949de191fcdc..cda56df9b8a7 100755 --- a/Documentation/target/tcm_mod_builder.py +++ b/Documentation/target/tcm_mod_builder.py @@ -199,7 +199,8 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name): buf += "#include <linux/string.h>\n" buf += "#include <linux/configfs.h>\n" buf += "#include <linux/ctype.h>\n" - buf += "#include <asm/unaligned.h>\n\n" + buf += "#include <asm/unaligned.h>\n" + buf += "#include <scsi/scsi_proto.h>\n\n" buf += "#include <target/target_core_base.h>\n" buf += "#include <target/target_core_fabric.h>\n" buf += "#include <target/target_core_fabric_configfs.h>\n" @@ -230,8 +231,14 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name): buf += " }\n" buf += " tpg->" + fabric_mod_port + " = " + fabric_mod_port + ";\n" buf += " tpg->" + fabric_mod_port + "_tpgt = tpgt;\n\n" - buf += " ret = core_tpg_register(&" + fabric_mod_name + "_ops, wwn,\n" - buf += " &tpg->se_tpg, SCSI_PROTOCOL_SAS);\n" + + if proto_ident == "FC": + buf += " ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_FCP);\n" + elif proto_ident == "SAS": + buf += " ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_SAS);\n" + elif proto_ident == "iSCSI": + buf += " ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_ISCSI);\n" + buf += " if (ret < 0) {\n" buf += " kfree(tpg);\n" buf += " return NULL;\n" @@ -292,7 +299,7 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name): buf += "static const struct target_core_fabric_ops " + fabric_mod_name + "_ops = {\n" buf += " .module = THIS_MODULE,\n" - buf += " .name = " + fabric_mod_name + ",\n" + buf += " .name = \"" + fabric_mod_name + "\",\n" buf += " .get_fabric_name = " + fabric_mod_name + "_get_fabric_name,\n" buf += " .tpg_get_wwn = " + fabric_mod_name + "_get_fabric_wwn,\n" buf += " .tpg_get_tag = " + fabric_mod_name + "_get_tag,\n" @@ -322,17 +329,17 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name): buf += " .fabric_make_tpg = " + fabric_mod_name + "_make_tpg,\n" buf += " .fabric_drop_tpg = " + fabric_mod_name + "_drop_tpg,\n" buf += "\n" - buf += " .tfc_wwn_attrs = " + fabric_mod_name + "_wwn_attrs;\n" + buf += " .tfc_wwn_attrs = " + fabric_mod_name + "_wwn_attrs,\n" buf += "};\n\n" buf += "static int __init " + fabric_mod_name + "_init(void)\n" buf += "{\n" - buf += " return target_register_template(" + fabric_mod_name + "_ops);\n" + buf += " return target_register_template(&" + fabric_mod_name + "_ops);\n" buf += "};\n\n" buf += "static void __exit " + fabric_mod_name + "_exit(void)\n" buf += "{\n" - buf += " target_unregister_template(" + fabric_mod_name + "_ops);\n" + buf += " target_unregister_template(&" + fabric_mod_name + "_ops);\n" buf += "};\n\n" buf += "MODULE_DESCRIPTION(\"" + fabric_mod_name.upper() + " series fabric driver\");\n" diff --git a/MAINTAINERS b/MAINTAINERS index 2d3d55c8f5be..b60e2b2369d2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -361,11 +361,11 @@ S: Supported F: drivers/input/touchscreen/ad7879.c ADDRESS SPACE LAYOUT RANDOMIZATION (ASLR) -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> S: Maintained ADM1025 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/adm1025 @@ -430,7 +430,7 @@ S: Maintained F: drivers/macintosh/therm_adt746x.c ADT7475 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/adt7475 @@ -445,7 +445,7 @@ F: drivers/input/misc/adxl34x.c ADVANSYS SCSI DRIVER M: Matthew Wilcox <matthew@wil.cx> -M: Hannes Reinecke <hare@suse.de> +M: Hannes Reinecke <hare@suse.com> L: linux-scsi@vger.kernel.org S: Maintained F: Documentation/scsi/advansys.txt @@ -506,7 +506,7 @@ F: drivers/scsi/aha152x* F: drivers/scsi/pcmcia/aha152x* AIC7XXX / AIC79XX SCSI DRIVER -M: Hannes Reinecke <hare@suse.de> +M: Hannes Reinecke <hare@suse.com> L: linux-scsi@vger.kernel.org S: Maintained F: drivers/scsi/aic7xxx/ @@ -746,7 +746,7 @@ S: Maintained F: sound/aoa/ APM DRIVER -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> S: Odd fixes F: arch/x86/kernel/apm_32.c F: include/linux/apm_bios.h @@ -1001,6 +1001,7 @@ ARM/CONEXANT DIGICOLOR MACHINE SUPPORT M: Baruch Siach <baruch@tkos.co.il> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained +F: arch/arm/boot/dts/cx92755* N: digicolor ARM/EBSA110 MACHINE SUPPORT @@ -1324,7 +1325,7 @@ F: arch/arm/mach-pxa/include/mach/palmtc.h F: arch/arm/mach-pxa/palmtc.c ARM/PALM TREO SUPPORT -M: Tomas Cech <sleep_walker@suse.cz> +M: Tomas Cech <sleep_walker@suse.com> L: linux-arm-kernel@lists.infradead.org W: http://hackndev.com S: Maintained @@ -2405,7 +2406,7 @@ F: drivers/gpio/gpio-bt8xx.c BTRFS FILE SYSTEM M: Chris Mason <clm@fb.com> M: Josef Bacik <jbacik@fb.com> -M: David Sterba <dsterba@suse.cz> +M: David Sterba <dsterba@suse.com> L: linux-btrfs@vger.kernel.org W: http://btrfs.wiki.kernel.org/ Q: http://patchwork.kernel.org/project/linux-btrfs/list/ @@ -2748,7 +2749,7 @@ COCCINELLE/Semantic Patches (SmPL) M: Julia Lawall <Julia.Lawall@lip6.fr> M: Gilles Muller <Gilles.Muller@lip6.fr> M: Nicolas Palix <nicolas.palix@imag.fr> -M: Michal Marek <mmarek@suse.cz> +M: Michal Marek <mmarek@suse.com> L: cocci@systeme.lip6.fr (moderated for non-subscribers) T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git misc W: http://coccinelle.lip6.fr/ @@ -2864,7 +2865,7 @@ F: kernel/cpuset.c CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG) M: Johannes Weiner <hannes@cmpxchg.org> -M: Michal Hocko <mhocko@suse.cz> +M: Michal Hocko <mhocko@kernel.org> L: cgroups@vger.kernel.org L: linux-mm@kvack.org S: Maintained @@ -2945,7 +2946,7 @@ F: arch/x86/kernel/cpuid.c F: arch/x86/kernel/msr.c CPU POWER MONITORING SUBSYSTEM -M: Thomas Renninger <trenn@suse.de> +M: Thomas Renninger <trenn@suse.com> L: linux-pm@vger.kernel.org S: Maintained F: tools/power/cpupower/ @@ -3175,7 +3176,7 @@ F: Documentation/networking/dmfe.txt F: drivers/net/ethernet/dec/tulip/dmfe.c DC390/AM53C974 SCSI driver -M: Hannes Reinecke <hare@suse.de> +M: Hannes Reinecke <hare@suse.com> L: linux-scsi@vger.kernel.org S: Maintained F: drivers/scsi/am53c974.c @@ -3379,7 +3380,7 @@ W: http://www.win.tue.nl/~aeb/partitions/partition_types-1.html S: Maintained DISKQUOTA -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> S: Maintained F: Documentation/filesystems/quota.txt F: fs/quota/ @@ -3435,7 +3436,7 @@ F: Documentation/hwmon/dme1737 F: drivers/hwmon/dme1737.c DMI/SMBIOS SUPPORT -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> S: Maintained T: quilt http://jdelvare.nerim.net/devel/linux/jdelvare-dmi/ F: Documentation/ABI/testing/sysfs-firmware-dmi-tables @@ -3586,6 +3587,15 @@ S: Maintained F: drivers/gpu/drm/rockchip/ F: Documentation/devicetree/bindings/video/rockchip* +DRM DRIVERS FOR STI +M: Benjamin Gaignard <benjamin.gaignard@linaro.org> +M: Vincent Abriou <vincent.abriou@st.com> +L: dri-devel@lists.freedesktop.org +T: git http://git.linaro.org/people/benjamin.gaignard/kernel.git +S: Maintained +F: drivers/gpu/drm/sti +F: Documentation/devicetree/bindings/gpu/st,stih4xx.txt + DSBR100 USB FM RADIO DRIVER M: Alexey Klimov <klimov.linux@gmail.com> L: linux-media@vger.kernel.org @@ -4051,7 +4061,7 @@ F: drivers/of/of_mdio.c F: drivers/of/of_net.c EXT2 FILE SYSTEM -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> L: linux-ext4@vger.kernel.org S: Maintained F: Documentation/filesystems/ext2.txt @@ -4059,7 +4069,7 @@ F: fs/ext2/ F: include/linux/ext2* EXT3 FILE SYSTEM -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> M: Andrew Morton <akpm@linux-foundation.org> M: Andreas Dilger <adilger.kernel@dilger.ca> L: linux-ext4@vger.kernel.org @@ -4109,7 +4119,7 @@ F: drivers/video/fbdev/exynos/exynos_mipi* F: include/video/exynos_mipi* F71805F HARDWARE MONITORING DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/f71805f @@ -4244,7 +4254,7 @@ S: Maintained F: drivers/block/rsxx/ FLOPPY DRIVER -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/floppy.git S: Odd fixes F: drivers/block/floppy.c @@ -4665,7 +4675,7 @@ F: drivers/media/usb/stk1160/ H8/300 ARCHITECTURE M: Yoshinori Sato <ysato@users.sourceforge.jp> -L: uclinux-h8-devel@lists.sourceforge.jp +L: uclinux-h8-devel@lists.sourceforge.jp (moderated for non-subscribers) W: http://uclinux-h8.sourceforge.jp T: git git://git.sourceforge.jp/gitroot/uclinux-h8/linux.git S: Maintained @@ -4712,7 +4722,7 @@ S: Maintained F: drivers/media/usb/hackrf/ HARDWARE MONITORING -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> M: Guenter Roeck <linux@roeck-us.net> L: lm-sensors@lm-sensors.org W: http://www.lm-sensors.org/ @@ -4815,7 +4825,7 @@ F: include/linux/pm.h F: arch/*/include/asm/suspend*.h HID CORE LAYER -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> L: linux-input@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git S: Maintained @@ -4824,7 +4834,7 @@ F: include/linux/hid* F: include/uapi/linux/hid* HID SENSOR HUB DRIVERS -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> M: Jonathan Cameron <jic23@kernel.org> M: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> L: linux-input@vger.kernel.org @@ -4958,7 +4968,7 @@ F: include/linux/hyperv.h F: tools/hv/ I2C OVER PARALLEL PORT -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: linux-i2c@vger.kernel.org S: Maintained F: Documentation/i2c/busses/i2c-parport @@ -4967,7 +4977,7 @@ F: drivers/i2c/busses/i2c-parport.c F: drivers/i2c/busses/i2c-parport-light.c I2C/SMBUS CONTROLLER DRIVERS FOR PC -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: linux-i2c@vger.kernel.org S: Maintained F: Documentation/i2c/busses/i2c-ali1535 @@ -5008,7 +5018,7 @@ F: drivers/i2c/busses/i2c-ismt.c F: Documentation/i2c/busses/i2c-ismt I2C/SMBUS STUB DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: linux-i2c@vger.kernel.org S: Maintained F: drivers/i2c/i2c-stub.c @@ -5035,7 +5045,7 @@ L: linux-acpi@vger.kernel.org S: Maintained I2C-TAOS-EVM DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: linux-i2c@vger.kernel.org S: Maintained F: Documentation/i2c/busses/i2c-taos-evm @@ -5564,8 +5574,8 @@ F: include/uapi/linux/ip_vs.h F: net/netfilter/ipvs/ IPWIRELESS DRIVER -M: Jiri Kosina <jkosina@suse.cz> -M: David Sterba <dsterba@suse.cz> +M: Jiri Kosina <jkosina@suse.com> +M: David Sterba <dsterba@suse.com> S: Odd Fixes F: drivers/tty/ipwireless/ @@ -5599,6 +5609,7 @@ F: kernel/irq/ IRQCHIP DRIVERS M: Thomas Gleixner <tglx@linutronix.de> M: Jason Cooper <jason@lakedaemon.net> +M: Marc Zyngier <marc.zyngier@arm.com> L: linux-kernel@vger.kernel.org S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core @@ -5607,11 +5618,14 @@ F: Documentation/devicetree/bindings/interrupt-controller/ F: drivers/irqchip/ IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY) -M: Benjamin Herrenschmidt <benh@kernel.crashing.org> +M: Jiang Liu <jiang.liu@linux.intel.com> +M: Marc Zyngier <marc.zyngier@arm.com> S: Maintained +T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core F: Documentation/IRQ-domain.txt F: include/linux/irqdomain.h F: kernel/irq/irqdomain.c +F: kernel/irq/msi.c ISAPNP M: Jaroslav Kysela <perex@perex.cz> @@ -5685,7 +5699,7 @@ S: Maintained F: drivers/isdn/hardware/eicon/ IT87 HARDWARE MONITORING DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/it87 @@ -5752,7 +5766,7 @@ F: include/uapi/linux/jffs2.h JOURNALLING LAYER FOR BLOCK DEVICES (JBD) M: Andrew Morton <akpm@linux-foundation.org> -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> L: linux-ext4@vger.kernel.org S: Maintained F: fs/jbd/ @@ -5816,7 +5830,7 @@ S: Maintained F: fs/autofs4/ KERNEL BUILD + files below scripts/ (unless maintained elsewhere) -M: Michal Marek <mmarek@suse.cz> +M: Michal Marek <mmarek@suse.com> T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git for-next T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git rc-fixes L: linux-kbuild@vger.kernel.org @@ -5835,6 +5849,7 @@ S: Odd Fixes KERNEL NFSD, SUNRPC, AND LOCKD SERVERS M: "J. Bruce Fields" <bfields@fieldses.org> +M: Jeff Layton <jlayton@poochiereds.net> L: linux-nfs@vger.kernel.org W: http://nfs.sourceforge.net/ S: Supported @@ -5880,7 +5895,7 @@ F: arch/x86/include/asm/svm.h F: arch/x86/kvm/svm.c KERNEL VIRTUAL MACHINE (KVM) FOR POWERPC -M: Alexander Graf <agraf@suse.de> +M: Alexander Graf <agraf@suse.com> L: kvm-ppc@vger.kernel.org W: http://kvm.qumranet.com T: git git://github.com/agraf/linux-2.6.git @@ -5898,7 +5913,6 @@ S: Supported F: Documentation/s390/kvm.txt F: arch/s390/include/asm/kvm* F: arch/s390/kvm/ -F: drivers/s390/kvm/ KERNEL VIRTUAL MACHINE (KVM) FOR ARM M: Christoffer Dall <christoffer.dall@linaro.org> @@ -6037,7 +6051,7 @@ F: drivers/leds/ F: include/linux/leds.h LEGACY EEPROM DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> S: Maintained F: Documentation/misc-devices/eeprom F: drivers/misc/eeprom/eeprom.c @@ -6090,7 +6104,7 @@ F: include/linux/ata.h F: include/linux/libata.h LIBATA PATA ARASAN COMPACT FLASH CONTROLLER -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> L: linux-ide@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git S: Maintained @@ -6251,8 +6265,8 @@ F: drivers/platform/x86/hp_accel.c LIVE PATCHING M: Josh Poimboeuf <jpoimboe@redhat.com> M: Seth Jennings <sjenning@redhat.com> -M: Jiri Kosina <jkosina@suse.cz> -M: Vojtech Pavlik <vojtech@suse.cz> +M: Jiri Kosina <jkosina@suse.com> +M: Vojtech Pavlik <vojtech@suse.com> S: Maintained F: kernel/livepatch/ F: include/linux/livepatch.h @@ -6278,21 +6292,21 @@ S: Maintained F: drivers/hwmon/lm73.c LM78 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/lm78 F: drivers/hwmon/lm78.c LM83 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/lm83 F: drivers/hwmon/lm83.c LM90 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/lm90 @@ -6838,6 +6852,12 @@ T: git git://linuxtv.org/anttip/media_tree.git S: Maintained F: drivers/media/usb/msi2500/ +MSYSTEMS DISKONCHIP G3 MTD DRIVER +M: Robert Jarzmik <robert.jarzmik@free.fr> +L: linux-mtd@lists.infradead.org +S: Maintained +F: drivers/mtd/devices/docg3* + MT9M032 APTINA SENSOR DRIVER M: Laurent Pinchart <laurent.pinchart@ideasonboard.com> L: linux-media@vger.kernel.org @@ -7719,7 +7739,7 @@ S: Maintained F: drivers/char/pc8736x_gpio.c PC87427 HARDWARE MONITORING DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/pc87427 @@ -7996,7 +8016,7 @@ S: Maintained F: drivers/pinctrl/samsung/ PIN CONTROLLER - ST SPEAR -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> L: spear-devel@list.st.com L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) W: http://www.st.com/spear @@ -8004,7 +8024,7 @@ S: Maintained F: drivers/pinctrl/spear/ PKTCDVD DRIVER -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> S: Maintained F: drivers/block/pktcdvd.c F: include/linux/pktcdvd.h @@ -8895,7 +8915,7 @@ S: Maintained F: drivers/tty/serial/ SYNOPSYS DESIGNWARE DMAC DRIVER -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> M: Andy Shevchenko <andriy.shevchenko@linux.intel.com> S: Maintained F: include/linux/dma/dw.h @@ -9062,7 +9082,7 @@ S: Maintained F: drivers/mmc/host/sdhci-s3c* SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) ST SPEAR DRIVER -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> L: spear-devel@list.st.com L: linux-mmc@vger.kernel.org S: Maintained @@ -9424,7 +9444,7 @@ F: Documentation/hwmon/sch5627 F: drivers/hwmon/sch5627.c SMSC47B397 HARDWARE MONITOR DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/smsc47b397 @@ -9473,7 +9493,7 @@ S: Supported F: drivers/media/pci/solo6x10/ SOFTWARE RAID (Multiple Disks) SUPPORT -M: Neil Brown <neilb@suse.de> +M: Neil Brown <neilb@suse.com> L: linux-raid@vger.kernel.org S: Supported F: drivers/md/ @@ -9516,7 +9536,7 @@ F: drivers/memstick/core/ms_block.* SOUND M: Jaroslav Kysela <perex@perex.cz> -M: Takashi Iwai <tiwai@suse.de> +M: Takashi Iwai <tiwai@suse.com> L: alsa-devel@alsa-project.org (moderated for non-subscribers) W: http://www.alsa-project.org/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git @@ -9600,7 +9620,7 @@ S: Maintained F: include/linux/compiler.h SPEAR PLATFORM SUPPORT -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> M: Shiraz Hashim <shiraz.linux.kernel@gmail.com> L: spear-devel@list.st.com L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -9609,7 +9629,7 @@ S: Maintained F: arch/arm/mach-spear/ SPEAR CLOCK FRAMEWORK SUPPORT -M: Viresh Kumar <viresh.linux@gmail.com> +M: Viresh Kumar <vireshk@kernel.org> L: spear-devel@list.st.com L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) W: http://www.st.com/spear @@ -10399,7 +10419,7 @@ K: ^Subject:.*(?i)trivial TTY LAYER M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -M: Jiri Slaby <jslaby@suse.cz> +M: Jiri Slaby <jslaby@suse.com> S: Supported T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git F: Documentation/serial/ @@ -10473,7 +10493,7 @@ F: arch/m68k/*/*_no.* F: arch/m68k/include/asm/*_no.* UDF FILESYSTEM -M: Jan Kara <jack@suse.cz> +M: Jan Kara <jack@suse.com> S: Maintained F: Documentation/filesystems/udf.txt F: fs/udf/ @@ -10616,7 +10636,7 @@ F: drivers/usb/gadget/ F: include/linux/usb/gadget* USB HID/HIDBP DRIVERS (USB KEYBOARDS, MICE, REMOTE CONTROLS, ...) -M: Jiri Kosina <jkosina@suse.cz> +M: Jiri Kosina <jkosina@suse.com> L: linux-usb@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git S: Maintained @@ -10741,7 +10761,7 @@ S: Maintained F: drivers/usb/host/uhci* USB "USBNET" DRIVER FRAMEWORK -M: Oliver Neukum <oneukum@suse.de> +M: Oliver Neukum <oneukum@suse.com> L: netdev@vger.kernel.org W: http://www.linux-usb.org/usbnet S: Maintained @@ -10895,6 +10915,15 @@ F: drivers/block/virtio_blk.c F: include/linux/virtio_*.h F: include/uapi/linux/virtio_*.h +VIRTIO DRIVERS FOR S390 +M: Christian Borntraeger <borntraeger@de.ibm.com> +M: Cornelia Huck <cornelia.huck@de.ibm.com> +L: linux-s390@vger.kernel.org +L: virtualization@lists.linux-foundation.org +L: kvm@vger.kernel.org +S: Supported +F: drivers/s390/virtio/ + VIRTIO GPU DRIVER M: David Airlie <airlied@linux.ie> M: Gerd Hoffmann <kraxel@redhat.com> @@ -11068,7 +11097,7 @@ F: Documentation/hwmon/w83793 F: drivers/hwmon/w83793.c W83795 HARDWARE MONITORING DRIVER -M: Jean Delvare <jdelvare@suse.de> +M: Jean Delvare <jdelvare@suse.com> L: lm-sensors@lm-sensors.org S: Maintained F: drivers/hwmon/w83795.c @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 2 SUBLEVEL = 0 -EXTRAVERSION = -rc2 +EXTRAVERSION = NAME = Hurr durr I'ma sheep # *DOCUMENTATION* @@ -597,6 +597,11 @@ endif # $(dot-config) # Defaults to vmlinux, but the arch makefile usually adds further targets all: vmlinux +# The arch Makefile can set ARCH_{CPP,A,C}FLAGS to override the default +# values of the respective KBUILD_* variables +ARCH_CPPFLAGS := +ARCH_AFLAGS := +ARCH_CFLAGS := include arch/$(SRCARCH)/Makefile KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,) @@ -848,10 +853,10 @@ export mod_strip_cmd mod_compress_cmd = true ifdef CONFIG_MODULE_COMPRESS ifdef CONFIG_MODULE_COMPRESS_GZIP - mod_compress_cmd = gzip -n + mod_compress_cmd = gzip -n -f endif # CONFIG_MODULE_COMPRESS_GZIP ifdef CONFIG_MODULE_COMPRESS_XZ - mod_compress_cmd = xz + mod_compress_cmd = xz -f endif # CONFIG_MODULE_COMPRESS_XZ endif # CONFIG_MODULE_COMPRESS export mod_compress_cmd diff --git a/arch/Kconfig b/arch/Kconfig index bec6666a3cc4..8a8ea7110de8 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -221,6 +221,10 @@ config ARCH_TASK_STRUCT_ALLOCATOR config ARCH_THREAD_INFO_ALLOCATOR bool +# Select if arch wants to size task_struct dynamically via arch_task_struct_size: +config ARCH_WANTS_DYNAMIC_TASK_STRUCT + bool + config HAVE_REGS_AND_STACK_ACCESS_API bool help diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild index cde23cd03609..ffd9cf5ec8c4 100644 --- a/arch/alpha/include/asm/Kbuild +++ b/arch/alpha/include/asm/Kbuild @@ -5,6 +5,7 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += sections.h generic-y += trace_clock.h diff --git a/arch/alpha/include/asm/mm-arch-hooks.h b/arch/alpha/include/asm/mm-arch-hooks.h deleted file mode 100644 index b07fd862fec3..000000000000 --- a/arch/alpha/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_ALPHA_MM_ARCH_HOOKS_H -#define _ASM_ALPHA_MM_ARCH_HOOKS_H - -#endif /* _ASM_ALPHA_MM_ARCH_HOOKS_H */ diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 91cf4055acab..bd4670d1b89b 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -313,11 +313,11 @@ config ARC_PAGE_SIZE_8K config ARC_PAGE_SIZE_16K bool "16KB" - depends on ARC_MMU_V3 + depends on ARC_MMU_V3 || ARC_MMU_V4 config ARC_PAGE_SIZE_4K bool "4KB" - depends on ARC_MMU_V3 + depends on ARC_MMU_V3 || ARC_MMU_V4 endchoice @@ -365,6 +365,11 @@ config ARC_HAS_LLSC default y depends on !ARC_CANT_LLSC +config ARC_STAR_9000923308 + bool "Workaround for llock/scond livelock" + default y + depends on ISA_ARCV2 && SMP && ARC_HAS_LLSC + config ARC_HAS_SWAPE bool "Insn: SWAPE (endian-swap)" default y @@ -379,6 +384,10 @@ config ARC_HAS_LL64 dest operands with 2 possible source operands. default y +config ARC_HAS_DIV_REM + bool "Insn: div, divu, rem, remu" + default y + config ARC_HAS_RTC bool "Local 64-bit r/o cycle counter" default n diff --git a/arch/arc/Makefile b/arch/arc/Makefile index 46d87310220d..8a27a48304a4 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -36,8 +36,16 @@ cflags-$(atleast_gcc44) += -fsection-anchors cflags-$(CONFIG_ARC_HAS_LLSC) += -mlock cflags-$(CONFIG_ARC_HAS_SWAPE) += -mswape +ifdef CONFIG_ISA_ARCV2 + ifndef CONFIG_ARC_HAS_LL64 -cflags-$(CONFIG_ISA_ARCV2) += -mno-ll64 +cflags-y += -mno-ll64 +endif + +ifndef CONFIG_ARC_HAS_DIV_REM +cflags-y += -mno-div-rem +endif + endif cflags-$(CONFIG_ARC_DW2_UNWIND) += -fasynchronous-unwind-tables diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild index 1a80cc91a03b..7611b10a2d23 100644 --- a/arch/arc/include/asm/Kbuild +++ b/arch/arc/include/asm/Kbuild @@ -22,6 +22,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += param.h diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 070f58827a5c..c8f57b8449dc 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -89,11 +89,10 @@ #define ECR_C_BIT_DTLB_LD_MISS 8 #define ECR_C_BIT_DTLB_ST_MISS 9 - /* Auxiliary registers */ #define AUX_IDENTITY 4 #define AUX_INTR_VEC_BASE 0x25 - +#define AUX_NON_VOL 0x5e /* * Floating Pt Registers @@ -240,9 +239,9 @@ struct bcr_extn_xymem { struct bcr_perip { #ifdef CONFIG_CPU_BIG_ENDIAN - unsigned int start:8, pad2:8, sz:8, pad:8; + unsigned int start:8, pad2:8, sz:8, ver:8; #else - unsigned int pad:8, sz:8, pad2:8, start:8; + unsigned int ver:8, sz:8, pad2:8, start:8; #endif }; diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h index 03484cb4d16d..87d18ae53115 100644 --- a/arch/arc/include/asm/atomic.h +++ b/arch/arc/include/asm/atomic.h @@ -23,33 +23,60 @@ #define atomic_set(v, i) (((v)->counter) = (i)) -#ifdef CONFIG_ISA_ARCV2 -#define PREFETCHW " prefetchw [%1] \n" -#else -#define PREFETCHW +#ifdef CONFIG_ARC_STAR_9000923308 + +#define SCOND_FAIL_RETRY_VAR_DEF \ + unsigned int delay = 1, tmp; \ + +#define SCOND_FAIL_RETRY_ASM \ + " bz 4f \n" \ + " ; --- scond fail delay --- \n" \ + " mov %[tmp], %[delay] \n" /* tmp = delay */ \ + "2: brne.d %[tmp], 0, 2b \n" /* while (tmp != 0) */ \ + " sub %[tmp], %[tmp], 1 \n" /* tmp-- */ \ + " rol %[delay], %[delay] \n" /* delay *= 2 */ \ + " b 1b \n" /* start over */ \ + "4: ; --- success --- \n" \ + +#define SCOND_FAIL_RETRY_VARS \ + ,[delay] "+&r" (delay),[tmp] "=&r" (tmp) \ + +#else /* !CONFIG_ARC_STAR_9000923308 */ + +#define SCOND_FAIL_RETRY_VAR_DEF + +#define SCOND_FAIL_RETRY_ASM \ + " bnz 1b \n" \ + +#define SCOND_FAIL_RETRY_VARS + #endif #define ATOMIC_OP(op, c_op, asm_op) \ static inline void atomic_##op(int i, atomic_t *v) \ { \ - unsigned int temp; \ + unsigned int val; \ + SCOND_FAIL_RETRY_VAR_DEF \ \ __asm__ __volatile__( \ - "1: \n" \ - PREFETCHW \ - " llock %0, [%1] \n" \ - " " #asm_op " %0, %0, %2 \n" \ - " scond %0, [%1] \n" \ - " bnz 1b \n" \ - : "=&r"(temp) /* Early clobber, to prevent reg reuse */ \ - : "r"(&v->counter), "ir"(i) \ + "1: llock %[val], [%[ctr]] \n" \ + " " #asm_op " %[val], %[val], %[i] \n" \ + " scond %[val], [%[ctr]] \n" \ + " \n" \ + SCOND_FAIL_RETRY_ASM \ + \ + : [val] "=&r" (val) /* Early clobber to prevent reg reuse */ \ + SCOND_FAIL_RETRY_VARS \ + : [ctr] "r" (&v->counter), /* Not "m": llock only supports reg direct addr mode */ \ + [i] "ir" (i) \ : "cc"); \ } \ #define ATOMIC_OP_RETURN(op, c_op, asm_op) \ static inline int atomic_##op##_return(int i, atomic_t *v) \ { \ - unsigned int temp; \ + unsigned int val; \ + SCOND_FAIL_RETRY_VAR_DEF \ \ /* \ * Explicit full memory barrier needed before/after as \ @@ -58,19 +85,21 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \ smp_mb(); \ \ __asm__ __volatile__( \ - "1: \n" \ - PREFETCHW \ - " llock %0, [%1] \n" \ - " " #asm_op " %0, %0, %2 \n" \ - " scond %0, [%1] \n" \ - " bnz 1b \n" \ - : "=&r"(temp) \ - : "r"(&v->counter), "ir"(i) \ + "1: llock %[val], [%[ctr]] \n" \ + " " #asm_op " %[val], %[val], %[i] \n" \ + " scond %[val], [%[ctr]] \n" \ + " \n" \ + SCOND_FAIL_RETRY_ASM \ + \ + : [val] "=&r" (val) \ + SCOND_FAIL_RETRY_VARS \ + : [ctr] "r" (&v->counter), \ + [i] "ir" (i) \ : "cc"); \ \ smp_mb(); \ \ - return temp; \ + return val; \ } #else /* !CONFIG_ARC_HAS_LLSC */ @@ -150,6 +179,9 @@ ATOMIC_OP(and, &=, and) #undef ATOMIC_OPS #undef ATOMIC_OP_RETURN #undef ATOMIC_OP +#undef SCOND_FAIL_RETRY_VAR_DEF +#undef SCOND_FAIL_RETRY_ASM +#undef SCOND_FAIL_RETRY_VARS /** * __atomic_add_unless - add unless the number is a given value diff --git a/arch/arc/include/asm/mm-arch-hooks.h b/arch/arc/include/asm/mm-arch-hooks.h deleted file mode 100644 index c37541c5f8ba..000000000000 --- a/arch/arc/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_ARC_MM_ARCH_HOOKS_H -#define _ASM_ARC_MM_ARCH_HOOKS_H - -#endif /* _ASM_ARC_MM_ARCH_HOOKS_H */ diff --git a/arch/arc/include/asm/ptrace.h b/arch/arc/include/asm/ptrace.h index 91694ec1ce95..69095da1fcfd 100644 --- a/arch/arc/include/asm/ptrace.h +++ b/arch/arc/include/asm/ptrace.h @@ -20,20 +20,20 @@ struct pt_regs { /* Real registers */ - long bta; /* bta_l1, bta_l2, erbta */ + unsigned long bta; /* bta_l1, bta_l2, erbta */ - long lp_start, lp_end, lp_count; + unsigned long lp_start, lp_end, lp_count; - long status32; /* status32_l1, status32_l2, erstatus */ - long ret; /* ilink1, ilink2 or eret */ - long blink; - long fp; - long r26; /* gp */ + unsigned long status32; /* status32_l1, status32_l2, erstatus */ + unsigned long ret; /* ilink1, ilink2 or eret */ + unsigned long blink; + unsigned long fp; + unsigned long r26; /* gp */ - long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0; + unsigned long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0; - long sp; /* user/kernel sp depending on where we came from */ - long orig_r0; + unsigned long sp; /* User/Kernel depending on where we came from */ + unsigned long orig_r0; /* * To distinguish bet excp, syscall, irq @@ -55,13 +55,13 @@ struct pt_regs { unsigned long event; }; - long user_r25; + unsigned long user_r25; }; #else struct pt_regs { - long orig_r0; + unsigned long orig_r0; union { struct { @@ -76,26 +76,26 @@ struct pt_regs { unsigned long event; }; - long bta; /* bta_l1, bta_l2, erbta */ + unsigned long bta; /* bta_l1, bta_l2, erbta */ - long user_r25; + unsigned long user_r25; - long r26; /* gp */ - long fp; - long sp; /* user/kernel sp depending on where we came from */ + unsigned long r26; /* gp */ + unsigned long fp; + unsigned long sp; /* user/kernel sp depending on where we came from */ - long r12; + unsigned long r12; /*------- Below list auto saved by h/w -----------*/ - long r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11; + unsigned long r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11; - long blink; - long lp_end, lp_start, lp_count; + unsigned long blink; + unsigned long lp_end, lp_start, lp_count; - long ei, ldi, jli; + unsigned long ei, ldi, jli; - long ret; - long status32; + unsigned long ret; + unsigned long status32; }; #endif @@ -103,10 +103,10 @@ struct pt_regs { /* Callee saved registers - need to be saved only when you are scheduled out */ struct callee_regs { - long r25, r24, r23, r22, r21, r20, r19, r18, r17, r16, r15, r14, r13; + unsigned long r25, r24, r23, r22, r21, r20, r19, r18, r17, r16, r15, r14, r13; }; -#define instruction_pointer(regs) (unsigned long)((regs)->ret) +#define instruction_pointer(regs) ((regs)->ret) #define profile_pc(regs) instruction_pointer(regs) /* return 1 if user mode or 0 if kernel mode */ @@ -142,7 +142,7 @@ struct callee_regs { static inline long regs_return_value(struct pt_regs *regs) { - return regs->r0; + return (long)regs->r0; } #endif /* !__ASSEMBLY__ */ diff --git a/arch/arc/include/asm/spinlock.h b/arch/arc/include/asm/spinlock.h index e1651df6a93d..db8c59d1eaeb 100644 --- a/arch/arc/include/asm/spinlock.h +++ b/arch/arc/include/asm/spinlock.h @@ -18,9 +18,518 @@ #define arch_spin_unlock_wait(x) \ do { while (arch_spin_is_locked(x)) cpu_relax(); } while (0) +#ifdef CONFIG_ARC_HAS_LLSC + +/* + * A normal LLOCK/SCOND based system, w/o need for livelock workaround + */ +#ifndef CONFIG_ARC_STAR_9000923308 + static inline void arch_spin_lock(arch_spinlock_t *lock) { - unsigned int tmp = __ARCH_SPIN_LOCK_LOCKED__; + unsigned int val; + + smp_mb(); + + __asm__ __volatile__( + "1: llock %[val], [%[slock]] \n" + " breq %[val], %[LOCKED], 1b \n" /* spin while LOCKED */ + " scond %[LOCKED], [%[slock]] \n" /* acquire */ + " bnz 1b \n" + " \n" + : [val] "=&r" (val) + : [slock] "r" (&(lock->slock)), + [LOCKED] "r" (__ARCH_SPIN_LOCK_LOCKED__) + : "memory", "cc"); + + smp_mb(); +} + +/* 1 - lock taken successfully */ +static inline int arch_spin_trylock(arch_spinlock_t *lock) +{ + unsigned int val, got_it = 0; + + smp_mb(); + + __asm__ __volatile__( + "1: llock %[val], [%[slock]] \n" + " breq %[val], %[LOCKED], 4f \n" /* already LOCKED, just bail */ + " scond %[LOCKED], [%[slock]] \n" /* acquire */ + " bnz 1b \n" + " mov %[got_it], 1 \n" + "4: \n" + " \n" + : [val] "=&r" (val), + [got_it] "+&r" (got_it) + : [slock] "r" (&(lock->slock)), + [LOCKED] "r" (__ARCH_SPIN_LOCK_LOCKED__) + : "memory", "cc"); + + smp_mb(); + + return got_it; +} + +static inline void arch_spin_unlock(arch_spinlock_t *lock) +{ + smp_mb(); + + lock->slock = __ARCH_SPIN_LOCK_UNLOCKED__; + + smp_mb(); +} + +/* + * Read-write spinlocks, allowing multiple readers but only one writer. + * Unfair locking as Writers could be starved indefinitely by Reader(s) + */ + +static inline void arch_read_lock(arch_rwlock_t *rw) +{ + unsigned int val; + + smp_mb(); + + /* + * zero means writer holds the lock exclusively, deny Reader. + * Otherwise grant lock to first/subseq reader + * + * if (rw->counter > 0) { + * rw->counter--; + * ret = 1; + * } + */ + + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " brls %[val], %[WR_LOCKED], 1b\n" /* <= 0: spin while write locked */ + " sub %[val], %[val], 1 \n" /* reader lock */ + " scond %[val], [%[rwlock]] \n" + " bnz 1b \n" + " \n" + : [val] "=&r" (val) + : [rwlock] "r" (&(rw->counter)), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); +} + +/* 1 - lock taken successfully */ +static inline int arch_read_trylock(arch_rwlock_t *rw) +{ + unsigned int val, got_it = 0; + + smp_mb(); + + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " brls %[val], %[WR_LOCKED], 4f\n" /* <= 0: already write locked, bail */ + " sub %[val], %[val], 1 \n" /* counter-- */ + " scond %[val], [%[rwlock]] \n" + " bnz 1b \n" /* retry if collided with someone */ + " mov %[got_it], 1 \n" + " \n" + "4: ; --- done --- \n" + + : [val] "=&r" (val), + [got_it] "+&r" (got_it) + : [rwlock] "r" (&(rw->counter)), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); + + return got_it; +} + +static inline void arch_write_lock(arch_rwlock_t *rw) +{ + unsigned int val; + + smp_mb(); + + /* + * If reader(s) hold lock (lock < __ARCH_RW_LOCK_UNLOCKED__), + * deny writer. Otherwise if unlocked grant to writer + * Hence the claim that Linux rwlocks are unfair to writers. + * (can be starved for an indefinite time by readers). + * + * if (rw->counter == __ARCH_RW_LOCK_UNLOCKED__) { + * rw->counter = 0; + * ret = 1; + * } + */ + + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " brne %[val], %[UNLOCKED], 1b \n" /* while !UNLOCKED spin */ + " mov %[val], %[WR_LOCKED] \n" + " scond %[val], [%[rwlock]] \n" + " bnz 1b \n" + " \n" + : [val] "=&r" (val) + : [rwlock] "r" (&(rw->counter)), + [UNLOCKED] "ir" (__ARCH_RW_LOCK_UNLOCKED__), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); +} + +/* 1 - lock taken successfully */ +static inline int arch_write_trylock(arch_rwlock_t *rw) +{ + unsigned int val, got_it = 0; + + smp_mb(); + + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " brne %[val], %[UNLOCKED], 4f \n" /* !UNLOCKED, bail */ + " mov %[val], %[WR_LOCKED] \n" + " scond %[val], [%[rwlock]] \n" + " bnz 1b \n" /* retry if collided with someone */ + " mov %[got_it], 1 \n" + " \n" + "4: ; --- done --- \n" + + : [val] "=&r" (val), + [got_it] "+&r" (got_it) + : [rwlock] "r" (&(rw->counter)), + [UNLOCKED] "ir" (__ARCH_RW_LOCK_UNLOCKED__), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); + + return got_it; +} + +static inline void arch_read_unlock(arch_rwlock_t *rw) +{ + unsigned int val; + + smp_mb(); + + /* + * rw->counter++; + */ + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " add %[val], %[val], 1 \n" + " scond %[val], [%[rwlock]] \n" + " bnz 1b \n" + " \n" + : [val] "=&r" (val) + : [rwlock] "r" (&(rw->counter)) + : "memory", "cc"); + + smp_mb(); +} + +static inline void arch_write_unlock(arch_rwlock_t *rw) +{ + smp_mb(); + + rw->counter = __ARCH_RW_LOCK_UNLOCKED__; + + smp_mb(); +} + +#else /* CONFIG_ARC_STAR_9000923308 */ + +/* + * HS38x4 could get into a LLOCK/SCOND livelock in case of multiple overlapping + * coherency transactions in the SCU. The exclusive line state keeps rotating + * among contenting cores leading to a never ending cycle. So break the cycle + * by deferring the retry of failed exclusive access (SCOND). The actual delay + * needed is function of number of contending cores as well as the unrelated + * coherency traffic from other cores. To keep the code simple, start off with + * small delay of 1 which would suffice most cases and in case of contention + * double the delay. Eventually the delay is sufficient such that the coherency + * pipeline is drained, thus a subsequent exclusive access would succeed. + */ + +#define SCOND_FAIL_RETRY_VAR_DEF \ + unsigned int delay, tmp; \ + +#define SCOND_FAIL_RETRY_ASM \ + " ; --- scond fail delay --- \n" \ + " mov %[tmp], %[delay] \n" /* tmp = delay */ \ + "2: brne.d %[tmp], 0, 2b \n" /* while (tmp != 0) */ \ + " sub %[tmp], %[tmp], 1 \n" /* tmp-- */ \ + " rol %[delay], %[delay] \n" /* delay *= 2 */ \ + " b 1b \n" /* start over */ \ + " \n" \ + "4: ; --- done --- \n" \ + +#define SCOND_FAIL_RETRY_VARS \ + ,[delay] "=&r" (delay), [tmp] "=&r" (tmp) \ + +static inline void arch_spin_lock(arch_spinlock_t *lock) +{ + unsigned int val; + SCOND_FAIL_RETRY_VAR_DEF; + + smp_mb(); + + __asm__ __volatile__( + "0: mov %[delay], 1 \n" + "1: llock %[val], [%[slock]] \n" + " breq %[val], %[LOCKED], 0b \n" /* spin while LOCKED */ + " scond %[LOCKED], [%[slock]] \n" /* acquire */ + " bz 4f \n" /* done */ + " \n" + SCOND_FAIL_RETRY_ASM + + : [val] "=&r" (val) + SCOND_FAIL_RETRY_VARS + : [slock] "r" (&(lock->slock)), + [LOCKED] "r" (__ARCH_SPIN_LOCK_LOCKED__) + : "memory", "cc"); + + smp_mb(); +} + +/* 1 - lock taken successfully */ +static inline int arch_spin_trylock(arch_spinlock_t *lock) +{ + unsigned int val, got_it = 0; + SCOND_FAIL_RETRY_VAR_DEF; + + smp_mb(); + + __asm__ __volatile__( + "0: mov %[delay], 1 \n" + "1: llock %[val], [%[slock]] \n" + " breq %[val], %[LOCKED], 4f \n" /* already LOCKED, just bail */ + " scond %[LOCKED], [%[slock]] \n" /* acquire */ + " bz.d 4f \n" + " mov.z %[got_it], 1 \n" /* got it */ + " \n" + SCOND_FAIL_RETRY_ASM + + : [val] "=&r" (val), + [got_it] "+&r" (got_it) + SCOND_FAIL_RETRY_VARS + : [slock] "r" (&(lock->slock)), + [LOCKED] "r" (__ARCH_SPIN_LOCK_LOCKED__) + : "memory", "cc"); + + smp_mb(); + + return got_it; +} + +static inline void arch_spin_unlock(arch_spinlock_t *lock) +{ + smp_mb(); + + lock->slock = __ARCH_SPIN_LOCK_UNLOCKED__; + + smp_mb(); +} + +/* + * Read-write spinlocks, allowing multiple readers but only one writer. + * Unfair locking as Writers could be starved indefinitely by Reader(s) + */ + +static inline void arch_read_lock(arch_rwlock_t *rw) +{ + unsigned int val; + SCOND_FAIL_RETRY_VAR_DEF; + + smp_mb(); + + /* + * zero means writer holds the lock exclusively, deny Reader. + * Otherwise grant lock to first/subseq reader + * + * if (rw->counter > 0) { + * rw->counter--; + * ret = 1; + * } + */ + + __asm__ __volatile__( + "0: mov %[delay], 1 \n" + "1: llock %[val], [%[rwlock]] \n" + " brls %[val], %[WR_LOCKED], 0b\n" /* <= 0: spin while write locked */ + " sub %[val], %[val], 1 \n" /* reader lock */ + " scond %[val], [%[rwlock]] \n" + " bz 4f \n" /* done */ + " \n" + SCOND_FAIL_RETRY_ASM + + : [val] "=&r" (val) + SCOND_FAIL_RETRY_VARS + : [rwlock] "r" (&(rw->counter)), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); +} + +/* 1 - lock taken successfully */ +static inline int arch_read_trylock(arch_rwlock_t *rw) +{ + unsigned int val, got_it = 0; + SCOND_FAIL_RETRY_VAR_DEF; + + smp_mb(); + + __asm__ __volatile__( + "0: mov %[delay], 1 \n" + "1: llock %[val], [%[rwlock]] \n" + " brls %[val], %[WR_LOCKED], 4f\n" /* <= 0: already write locked, bail */ + " sub %[val], %[val], 1 \n" /* counter-- */ + " scond %[val], [%[rwlock]] \n" + " bz.d 4f \n" + " mov.z %[got_it], 1 \n" /* got it */ + " \n" + SCOND_FAIL_RETRY_ASM + + : [val] "=&r" (val), + [got_it] "+&r" (got_it) + SCOND_FAIL_RETRY_VARS + : [rwlock] "r" (&(rw->counter)), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); + + return got_it; +} + +static inline void arch_write_lock(arch_rwlock_t *rw) +{ + unsigned int val; + SCOND_FAIL_RETRY_VAR_DEF; + + smp_mb(); + + /* + * If reader(s) hold lock (lock < __ARCH_RW_LOCK_UNLOCKED__), + * deny writer. Otherwise if unlocked grant to writer + * Hence the claim that Linux rwlocks are unfair to writers. + * (can be starved for an indefinite time by readers). + * + * if (rw->counter == __ARCH_RW_LOCK_UNLOCKED__) { + * rw->counter = 0; + * ret = 1; + * } + */ + + __asm__ __volatile__( + "0: mov %[delay], 1 \n" + "1: llock %[val], [%[rwlock]] \n" + " brne %[val], %[UNLOCKED], 0b \n" /* while !UNLOCKED spin */ + " mov %[val], %[WR_LOCKED] \n" + " scond %[val], [%[rwlock]] \n" + " bz 4f \n" + " \n" + SCOND_FAIL_RETRY_ASM + + : [val] "=&r" (val) + SCOND_FAIL_RETRY_VARS + : [rwlock] "r" (&(rw->counter)), + [UNLOCKED] "ir" (__ARCH_RW_LOCK_UNLOCKED__), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); +} + +/* 1 - lock taken successfully */ +static inline int arch_write_trylock(arch_rwlock_t *rw) +{ + unsigned int val, got_it = 0; + SCOND_FAIL_RETRY_VAR_DEF; + + smp_mb(); + + __asm__ __volatile__( + "0: mov %[delay], 1 \n" + "1: llock %[val], [%[rwlock]] \n" + " brne %[val], %[UNLOCKED], 4f \n" /* !UNLOCKED, bail */ + " mov %[val], %[WR_LOCKED] \n" + " scond %[val], [%[rwlock]] \n" + " bz.d 4f \n" + " mov.z %[got_it], 1 \n" /* got it */ + " \n" + SCOND_FAIL_RETRY_ASM + + : [val] "=&r" (val), + [got_it] "+&r" (got_it) + SCOND_FAIL_RETRY_VARS + : [rwlock] "r" (&(rw->counter)), + [UNLOCKED] "ir" (__ARCH_RW_LOCK_UNLOCKED__), + [WR_LOCKED] "ir" (0) + : "memory", "cc"); + + smp_mb(); + + return got_it; +} + +static inline void arch_read_unlock(arch_rwlock_t *rw) +{ + unsigned int val; + + smp_mb(); + + /* + * rw->counter++; + */ + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " add %[val], %[val], 1 \n" + " scond %[val], [%[rwlock]] \n" + " bnz 1b \n" + " \n" + : [val] "=&r" (val) + : [rwlock] "r" (&(rw->counter)) + : "memory", "cc"); + + smp_mb(); +} + +static inline void arch_write_unlock(arch_rwlock_t *rw) +{ + unsigned int val; + + smp_mb(); + + /* + * rw->counter = __ARCH_RW_LOCK_UNLOCKED__; + */ + __asm__ __volatile__( + "1: llock %[val], [%[rwlock]] \n" + " scond %[UNLOCKED], [%[rwlock]]\n" + " bnz 1b \n" + " \n" + : [val] "=&r" (val) + : [rwlock] "r" (&(rw->counter)), + [UNLOCKED] "r" (__ARCH_RW_LOCK_UNLOCKED__) + : "memory", "cc"); + + smp_mb(); +} + +#undef SCOND_FAIL_RETRY_VAR_DEF +#undef SCOND_FAIL_RETRY_ASM +#undef SCOND_FAIL_RETRY_VARS + +#endif /* CONFIG_ARC_STAR_9000923308 */ + +#else /* !CONFIG_ARC_HAS_LLSC */ + +static inline void arch_spin_lock(arch_spinlock_t *lock) +{ + unsigned int val = __ARCH_SPIN_LOCK_LOCKED__; /* * This smp_mb() is technically superfluous, we only need the one @@ -33,7 +542,7 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) __asm__ __volatile__( "1: ex %0, [%1] \n" " breq %0, %2, 1b \n" - : "+&r" (tmp) + : "+&r" (val) : "r"(&(lock->slock)), "ir"(__ARCH_SPIN_LOCK_LOCKED__) : "memory"); @@ -48,26 +557,27 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) smp_mb(); } +/* 1 - lock taken successfully */ static inline int arch_spin_trylock(arch_spinlock_t *lock) { - unsigned int tmp = __ARCH_SPIN_LOCK_LOCKED__; + unsigned int val = __ARCH_SPIN_LOCK_LOCKED__; smp_mb(); __asm__ __volatile__( "1: ex %0, [%1] \n" - : "+r" (tmp) + : "+r" (val) : "r"(&(lock->slock)) : "memory"); smp_mb(); - return (tmp == __ARCH_SPIN_LOCK_UNLOCKED__); + return (val == __ARCH_SPIN_LOCK_UNLOCKED__); } static inline void arch_spin_unlock(arch_spinlock_t *lock) { - unsigned int tmp = __ARCH_SPIN_LOCK_UNLOCKED__; + unsigned int val = __ARCH_SPIN_LOCK_UNLOCKED__; /* * RELEASE barrier: given the instructions avail on ARCv2, full barrier @@ -77,7 +587,7 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) __asm__ __volatile__( " ex %0, [%1] \n" - : "+r" (tmp) + : "+r" (val) : "r"(&(lock->slock)) : "memory"); @@ -90,19 +600,12 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) /* * Read-write spinlocks, allowing multiple readers but only one writer. + * Unfair locking as Writers could be starved indefinitely by Reader(s) * * The spinlock itself is contained in @counter and access to it is * serialized with @lock_mutex. - * - * Unfair locking as Writers could be starved indefinitely by Reader(s) */ -/* Would read_trylock() succeed? */ -#define arch_read_can_lock(x) ((x)->counter > 0) - -/* Would write_trylock() succeed? */ -#define arch_write_can_lock(x) ((x)->counter == __ARCH_RW_LOCK_UNLOCKED__) - /* 1 - lock taken successfully */ static inline int arch_read_trylock(arch_rwlock_t *rw) { @@ -173,6 +676,11 @@ static inline void arch_write_unlock(arch_rwlock_t *rw) arch_spin_unlock(&(rw->lock_mutex)); } +#endif + +#define arch_read_can_lock(x) ((x)->counter > 0) +#define arch_write_can_lock(x) ((x)->counter == __ARCH_RW_LOCK_UNLOCKED__) + #define arch_read_lock_flags(lock, flags) arch_read_lock(lock) #define arch_write_lock_flags(lock, flags) arch_write_lock(lock) diff --git a/arch/arc/include/asm/spinlock_types.h b/arch/arc/include/asm/spinlock_types.h index 662627ced4f2..4e1ef5f650c6 100644 --- a/arch/arc/include/asm/spinlock_types.h +++ b/arch/arc/include/asm/spinlock_types.h @@ -26,7 +26,9 @@ typedef struct { */ typedef struct { volatile unsigned int counter; +#ifndef CONFIG_ARC_HAS_LLSC arch_spinlock_t lock_mutex; +#endif } arch_rwlock_t; #define __ARCH_RW_LOCK_UNLOCKED__ 0x01000000 diff --git a/arch/arc/include/uapi/asm/ptrace.h b/arch/arc/include/uapi/asm/ptrace.h index 76a7739aab1c..0b3ef63d4a03 100644 --- a/arch/arc/include/uapi/asm/ptrace.h +++ b/arch/arc/include/uapi/asm/ptrace.h @@ -32,20 +32,20 @@ */ struct user_regs_struct { - long pad; + unsigned long pad; struct { - long bta, lp_start, lp_end, lp_count; - long status32, ret, blink, fp, gp; - long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0; - long sp; + unsigned long bta, lp_start, lp_end, lp_count; + unsigned long status32, ret, blink, fp, gp; + unsigned long r12, r11, r10, r9, r8, r7, r6, r5, r4, r3, r2, r1, r0; + unsigned long sp; } scratch; - long pad2; + unsigned long pad2; struct { - long r25, r24, r23, r22, r21, r20; - long r19, r18, r17, r16, r15, r14, r13; + unsigned long r25, r24, r23, r22, r21, r20; + unsigned long r19, r18, r17, r16, r15, r14, r13; } callee; - long efa; /* break pt addr, for break points in delay slots */ - long stop_pc; /* give dbg stop_pc after ensuring brkpt trap */ + unsigned long efa; /* break pt addr, for break points in delay slots */ + unsigned long stop_pc; /* give dbg stop_pc after ensuring brkpt trap */ }; #endif /* !__ASSEMBLY__ */ diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index 18cc01591c96..cabde9dc0696 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -47,6 +47,7 @@ static void read_arc_build_cfg_regs(void) struct bcr_perip uncached_space; struct bcr_generic bcr; struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()]; + unsigned long perip_space; FIX_PTR(cpu); READ_BCR(AUX_IDENTITY, cpu->core); @@ -56,7 +57,12 @@ static void read_arc_build_cfg_regs(void) cpu->vec_base = read_aux_reg(AUX_INTR_VEC_BASE); READ_BCR(ARC_REG_D_UNCACH_BCR, uncached_space); - BUG_ON((uncached_space.start << 24) != ARC_UNCACHED_ADDR_SPACE); + if (uncached_space.ver < 3) + perip_space = uncached_space.start << 24; + else + perip_space = read_aux_reg(AUX_NON_VOL) & 0xF0000000; + + BUG_ON(perip_space != ARC_UNCACHED_ADDR_SPACE); READ_BCR(ARC_REG_MUL_BCR, cpu->extn_mpy); @@ -330,6 +336,10 @@ static void arc_chk_core_config(void) pr_warn("CONFIG_ARC_FPU_SAVE_RESTORE needed for working apps\n"); else if (!cpu->extn.fpu_dp && fpu_enabled) panic("FPU non-existent, disable CONFIG_ARC_FPU_SAVE_RESTORE\n"); + + if (is_isa_arcv2() && IS_ENABLED(CONFIG_SMP) && cpu->isa.atomic && + !IS_ENABLED(CONFIG_ARC_STAR_9000923308)) + panic("llock/scond livelock workaround missing\n"); } /* diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c index 3364d2bbc515..4294761a2b3e 100644 --- a/arch/arc/kernel/time.c +++ b/arch/arc/kernel/time.c @@ -203,34 +203,24 @@ static int arc_clkevent_set_next_event(unsigned long delta, return 0; } -static void arc_clkevent_set_mode(enum clock_event_mode mode, - struct clock_event_device *dev) +static int arc_clkevent_set_periodic(struct clock_event_device *dev) { - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - /* - * At X Hz, 1 sec = 1000ms -> X cycles; - * 10ms -> X / 100 cycles - */ - arc_timer_event_setup(arc_get_core_freq() / HZ); - break; - case CLOCK_EVT_MODE_ONESHOT: - break; - default: - break; - } - - return; + /* + * At X Hz, 1 sec = 1000ms -> X cycles; + * 10ms -> X / 100 cycles + */ + arc_timer_event_setup(arc_get_core_freq() / HZ); + return 0; } static DEFINE_PER_CPU(struct clock_event_device, arc_clockevent_device) = { - .name = "ARC Timer0", - .features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_PERIODIC, - .mode = CLOCK_EVT_MODE_UNUSED, - .rating = 300, - .irq = TIMER0_IRQ, /* hardwired, no need for resources */ - .set_next_event = arc_clkevent_set_next_event, - .set_mode = arc_clkevent_set_mode, + .name = "ARC Timer0", + .features = CLOCK_EVT_FEAT_ONESHOT | + CLOCK_EVT_FEAT_PERIODIC, + .rating = 300, + .irq = TIMER0_IRQ, /* hardwired, no need for resources */ + .set_next_event = arc_clkevent_set_next_event, + .set_state_periodic = arc_clkevent_set_periodic, }; static irqreturn_t timer_irq_handler(int irq, void *dev_id) @@ -240,7 +230,7 @@ static irqreturn_t timer_irq_handler(int irq, void *dev_id) * irq_set_chip_and_handler() asked for handle_percpu_devid_irq() */ struct clock_event_device *evt = this_cpu_ptr(&arc_clockevent_device); - int irq_reenable = evt->mode == CLOCK_EVT_MODE_PERIODIC; + int irq_reenable = clockevent_state_periodic(evt); /* * Any write to CTRL reg ACks the interrupt, we rewrite the diff --git a/arch/arc/lib/memcpy-archs.S b/arch/arc/lib/memcpy-archs.S index 1b2b3acfed52..0cab0b8a57c5 100644 --- a/arch/arc/lib/memcpy-archs.S +++ b/arch/arc/lib/memcpy-archs.S @@ -206,7 +206,7 @@ unalignedOffby3: ld.ab r6, [r1, 4] prefetch [r1, 28] ;Prefetch the next read location ld.ab r8, [r1,4] - prefetch [r3, 32] ;Prefetch the next write location + prefetchw [r3, 32] ;Prefetch the next write location SHIFT_1 (r7, r6, 8) or r7, r7, r5 diff --git a/arch/arc/lib/memset-archs.S b/arch/arc/lib/memset-archs.S index 92d573c734b5..365b18364815 100644 --- a/arch/arc/lib/memset-archs.S +++ b/arch/arc/lib/memset-archs.S @@ -10,12 +10,6 @@ #undef PREALLOC_NOT_AVAIL -#ifdef PREALLOC_NOT_AVAIL -#define PREWRITE(A,B) prefetchw [(A),(B)] -#else -#define PREWRITE(A,B) prealloc [(A),(B)] -#endif - ENTRY(memset) prefetchw [r0] ; Prefetch the write location mov.f 0, r2 @@ -51,9 +45,15 @@ ENTRY(memset) ;;; Convert len to Dwords, unfold x8 lsr.f lp_count, lp_count, 6 + lpnz @.Lset64bytes ;; LOOP START - PREWRITE(r3, 64) ;Prefetch the next write location +#ifdef PREALLOC_NOT_AVAIL + prefetchw [r3, 64] ;Prefetch the next write location +#else + prealloc [r3, 64] +#endif +#ifdef CONFIG_ARC_HAS_LL64 std.ab r4, [r3, 8] std.ab r4, [r3, 8] std.ab r4, [r3, 8] @@ -62,16 +62,45 @@ ENTRY(memset) std.ab r4, [r3, 8] std.ab r4, [r3, 8] std.ab r4, [r3, 8] +#else + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] +#endif .Lset64bytes: lsr.f lp_count, r2, 5 ;Last remaining max 124 bytes lpnz .Lset32bytes ;; LOOP START prefetchw [r3, 32] ;Prefetch the next write location +#ifdef CONFIG_ARC_HAS_LL64 std.ab r4, [r3, 8] std.ab r4, [r3, 8] std.ab r4, [r3, 8] std.ab r4, [r3, 8] +#else + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] + st.ab r4, [r3, 4] +#endif .Lset32bytes: and.f lp_count, r2, 0x1F ;Last remaining 31 bytes diff --git a/arch/arc/plat-axs10x/axs10x.c b/arch/arc/plat-axs10x/axs10x.c index 99f7da513a48..e7769c3ab5f2 100644 --- a/arch/arc/plat-axs10x/axs10x.c +++ b/arch/arc/plat-axs10x/axs10x.c @@ -389,6 +389,21 @@ axs103_set_freq(unsigned int id, unsigned int fd, unsigned int od) static void __init axs103_early_init(void) { + /* + * AXS103 configurations for SMP/QUAD configurations share device tree + * which defaults to 90 MHz. However recent failures of Quad config + * revealed P&R timing violations so clamp it down to safe 50 MHz + * Instead of duplicating defconfig/DT for SMP/QUAD, add a small hack + * + * This hack is really hacky as of now. Fix it properly by getting the + * number of cores as return value of platform's early SMP callback + */ +#ifdef CONFIG_ARC_MCIP + unsigned int num_cores = (read_aux_reg(ARC_REG_MCIP_BCR) >> 16) & 0x3F; + if (num_cores > 2) + arc_set_core_freq(50 * 1000000); +#endif + switch (arc_get_core_freq()/1000000) { case 33: axs103_set_freq(1, 1, 1); diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 07ab3d203916..7451b447cc2d 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -312,6 +312,9 @@ INSTALL_TARGETS = zinstall uinstall install PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS) +bootpImage uImage: zImage +zImage: Image + $(BOOT_TARGETS): vmlinux $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ diff --git a/arch/arm/boot/dts/am335x-pepper.dts b/arch/arm/boot/dts/am335x-pepper.dts index 0d35ab64641c..7106114c7464 100644 --- a/arch/arm/boot/dts/am335x-pepper.dts +++ b/arch/arm/boot/dts/am335x-pepper.dts @@ -74,6 +74,7 @@ audio_codec: tlv320aic3106@1b { compatible = "ti,tlv320aic3106"; reg = <0x1b>; + ai3x-micbias-vg = <0x2>; }; accel: lis331dlh@1d { @@ -153,7 +154,7 @@ ti,audio-routing = "Headphone Jack", "HPLOUT", "Headphone Jack", "HPROUT", - "LINE1L", "Line In"; + "MIC3L", "Mic3L Switch"; }; &mcasp0 { @@ -438,41 +439,50 @@ regulators { dcdc1_reg: regulator@0 { /* VDD_1V8 system supply */ + regulator-always-on; }; dcdc2_reg: regulator@1 { /* VDD_CORE voltage limits 0.95V - 1.26V with +/-4% tolerance */ regulator-name = "vdd_core"; regulator-min-microvolt = <925000>; - regulator-max-microvolt = <1325000>; + regulator-max-microvolt = <1150000>; regulator-boot-on; + regulator-always-on; }; dcdc3_reg: regulator@2 { /* VDD_MPU voltage limits 0.95V - 1.1V with +/-4% tolerance */ regulator-name = "vdd_mpu"; regulator-min-microvolt = <925000>; - regulator-max-microvolt = <1150000>; + regulator-max-microvolt = <1325000>; regulator-boot-on; + regulator-always-on; }; ldo1_reg: regulator@3 { /* VRTC 1.8V always-on supply */ + regulator-name = "vrtc,vdds"; regulator-always-on; }; ldo2_reg: regulator@4 { /* 3.3V rail */ + regulator-name = "vdd_3v3aux"; + regulator-always-on; }; ldo3_reg: regulator@5 { /* VDD_3V3A 3.3V rail */ + regulator-name = "vdd_3v3a"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; }; ldo4_reg: regulator@6 { /* VDD_3V3B 3.3V rail */ + regulator-name = "vdd_3v3b"; + regulator-always-on; }; }; }; diff --git a/arch/arm/boot/dts/cros-ec-keyboard.dtsi b/arch/arm/boot/dts/cros-ec-keyboard.dtsi index 9c7fb0acae79..4e42f30cb318 100644 --- a/arch/arm/boot/dts/cros-ec-keyboard.dtsi +++ b/arch/arm/boot/dts/cros-ec-keyboard.dtsi @@ -22,6 +22,7 @@ MATRIX_KEY(0x00, 0x02, KEY_F1) MATRIX_KEY(0x00, 0x03, KEY_B) MATRIX_KEY(0x00, 0x04, KEY_F10) + MATRIX_KEY(0x00, 0x05, KEY_RO) MATRIX_KEY(0x00, 0x06, KEY_N) MATRIX_KEY(0x00, 0x08, KEY_EQUAL) MATRIX_KEY(0x00, 0x0a, KEY_RIGHTALT) @@ -34,6 +35,7 @@ MATRIX_KEY(0x01, 0x08, KEY_APOSTROPHE) MATRIX_KEY(0x01, 0x09, KEY_F9) MATRIX_KEY(0x01, 0x0b, KEY_BACKSPACE) + MATRIX_KEY(0x01, 0x0c, KEY_HENKAN) MATRIX_KEY(0x02, 0x00, KEY_LEFTCTRL) MATRIX_KEY(0x02, 0x01, KEY_TAB) @@ -45,6 +47,7 @@ MATRIX_KEY(0x02, 0x07, KEY_102ND) MATRIX_KEY(0x02, 0x08, KEY_LEFTBRACE) MATRIX_KEY(0x02, 0x09, KEY_F8) + MATRIX_KEY(0x02, 0x0a, KEY_YEN) MATRIX_KEY(0x03, 0x01, KEY_GRAVE) MATRIX_KEY(0x03, 0x02, KEY_F2) @@ -53,6 +56,7 @@ MATRIX_KEY(0x03, 0x06, KEY_6) MATRIX_KEY(0x03, 0x08, KEY_MINUS) MATRIX_KEY(0x03, 0x0b, KEY_BACKSLASH) + MATRIX_KEY(0x03, 0x0c, KEY_MUHENKAN) MATRIX_KEY(0x04, 0x00, KEY_RIGHTCTRL) MATRIX_KEY(0x04, 0x01, KEY_A) diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 8f1e25bcecbd..1e29ccf77ea2 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -116,7 +116,7 @@ ranges = <0 0x2000 0x2000>; scm_conf: scm_conf@0 { - compatible = "syscon"; + compatible = "syscon", "simple-bus"; reg = <0x0 0x1400>; #address-cells = <1>; #size-cells = <1>; @@ -1140,6 +1140,7 @@ ctrl-module = <&omap_control_sata>; clocks = <&sys_clkin1>, <&sata_ref_clk>; clock-names = "sysclk", "refclk"; + syscon-pllreset = <&scm_conf 0x3fc>; #phy-cells = <0>; }; diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi index d7201333e3bc..2db99433e17f 100644 --- a/arch/arm/boot/dts/exynos3250.dtsi +++ b/arch/arm/boot/dts/exynos3250.dtsi @@ -138,8 +138,8 @@ mipi_phy: video-phy@10020710 { compatible = "samsung,s5pv210-mipi-video-phy"; - reg = <0x10020710 8>; #phy-cells = <1>; + syscon = <&pmu_system_controller>; }; pd_cam: cam-power-domain@10023C00 { diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts index e0abfc3324d1..e050d85cdacd 100644 --- a/arch/arm/boot/dts/exynos4210-origen.dts +++ b/arch/arm/boot/dts/exynos4210-origen.dts @@ -127,6 +127,10 @@ }; }; +&cpu0 { + cpu0-supply = <&buck1_reg>; +}; + &fimd { pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts index 98f3ce65cb9a..ba34886f8b65 100644 --- a/arch/arm/boot/dts/exynos4210-trats.dts +++ b/arch/arm/boot/dts/exynos4210-trats.dts @@ -188,6 +188,10 @@ }; }; +&cpu0 { + cpu0-supply = <&varm_breg>; +}; + &dsi_0 { vddcore-supply = <&vusb_reg>; vddio-supply = <&vmipi_reg>; diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts index d4f2b11319dd..775892b2cc6a 100644 --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts @@ -548,6 +548,10 @@ }; }; +&cpu0 { + cpu0-supply = <&vdd_arm_reg>; +}; + &pinctrl_1 { hdmi_hpd: hdmi-hpd { samsung,pins = "gpx3-7"; diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi index 10d3c173396e..3e5ba665d200 100644 --- a/arch/arm/boot/dts/exynos4210.dtsi +++ b/arch/arm/boot/dts/exynos4210.dtsi @@ -40,6 +40,18 @@ device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <0x900>; + clocks = <&clock CLK_ARM_CLK>; + clock-names = "cpu"; + clock-latency = <160000>; + + operating-points = < + 1200000 1250000 + 1000000 1150000 + 800000 1075000 + 500000 975000 + 400000 975000 + 200000 950000 + >; cooling-min-level = <4>; cooling-max-level = <2>; #cooling-cells = <2>; /* min followed by max */ diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi index c892d58e8dad..b995333ea22b 100644 --- a/arch/arm/boot/dts/imx23.dtsi +++ b/arch/arm/boot/dts/imx23.dtsi @@ -468,6 +468,7 @@ interrupts = <36 37 38 39 40 41 42 43 44>; status = "disabled"; clocks = <&clks 26>; + #io-channel-cells = <1>; }; spdif@80054000 { diff --git a/arch/arm/boot/dts/imx25-pdk.dts b/arch/arm/boot/dts/imx25-pdk.dts index dd45e6971bc3..9351296356dc 100644 --- a/arch/arm/boot/dts/imx25-pdk.dts +++ b/arch/arm/boot/dts/imx25-pdk.dts @@ -10,6 +10,7 @@ */ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include <dt-bindings/input/input.h> #include "imx25.dtsi" @@ -114,8 +115,8 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio2 1 0>; - wp-gpios = <&gpio2 0 0>; + cd-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 0 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi index bc215e4b75fd..b69be5c499cf 100644 --- a/arch/arm/boot/dts/imx27.dtsi +++ b/arch/arm/boot/dts/imx27.dtsi @@ -108,7 +108,7 @@ }; gpt1: timer@10003000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x10003000 0x1000>; interrupts = <26>; clocks = <&clks IMX27_CLK_GPT1_IPG_GATE>, @@ -117,7 +117,7 @@ }; gpt2: timer@10004000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x10004000 0x1000>; interrupts = <25>; clocks = <&clks IMX27_CLK_GPT2_IPG_GATE>, @@ -126,7 +126,7 @@ }; gpt3: timer@10005000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x10005000 0x1000>; interrupts = <24>; clocks = <&clks IMX27_CLK_GPT3_IPG_GATE>, @@ -376,7 +376,7 @@ }; gpt4: timer@10019000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x10019000 0x1000>; interrupts = <4>; clocks = <&clks IMX27_CLK_GPT4_IPG_GATE>, @@ -385,7 +385,7 @@ }; gpt5: timer@1001a000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x1001a000 0x1000>; interrupts = <3>; clocks = <&clks IMX27_CLK_GPT5_IPG_GATE>, @@ -436,7 +436,7 @@ }; gpt6: timer@1001f000 { - compatible = "fsl,imx27-gpt", "fsl,imx1-gpt"; + compatible = "fsl,imx27-gpt", "fsl,imx21-gpt"; reg = <0x1001f000 0x1000>; interrupts = <2>; clocks = <&clks IMX27_CLK_GPT6_IPG_GATE>, diff --git a/arch/arm/boot/dts/imx35.dtsi b/arch/arm/boot/dts/imx35.dtsi index b6478e97d6a7..e6540b5cfa4c 100644 --- a/arch/arm/boot/dts/imx35.dtsi +++ b/arch/arm/boot/dts/imx35.dtsi @@ -286,8 +286,8 @@ can1: can@53fe4000 { compatible = "fsl,imx35-flexcan", "fsl,p1010-flexcan"; reg = <0x53fe4000 0x1000>; - clocks = <&clks 33>; - clock-names = "ipg"; + clocks = <&clks 33>, <&clks 33>; + clock-names = "ipg", "per"; interrupts = <43>; status = "disabled"; }; @@ -295,8 +295,8 @@ can2: can@53fe8000 { compatible = "fsl,imx35-flexcan", "fsl,p1010-flexcan"; reg = <0x53fe8000 0x1000>; - clocks = <&clks 34>; - clock-names = "ipg"; + clocks = <&clks 34>, <&clks 34>; + clock-names = "ipg", "per"; interrupts = <44>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx51-apf51dev.dts b/arch/arm/boot/dts/imx51-apf51dev.dts index 93d3ea12328c..0f3fe29b816e 100644 --- a/arch/arm/boot/dts/imx51-apf51dev.dts +++ b/arch/arm/boot/dts/imx51-apf51dev.dts @@ -98,7 +98,7 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio2 29 GPIO_ACTIVE_LOW>; bus-width = <4>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-ard.dts b/arch/arm/boot/dts/imx53-ard.dts index e9337ad52f59..3bc18835fb4b 100644 --- a/arch/arm/boot/dts/imx53-ard.dts +++ b/arch/arm/boot/dts/imx53-ard.dts @@ -103,8 +103,8 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio1 1 0>; - wp-gpios = <&gpio1 9 0>; + cd-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-m53evk.dts b/arch/arm/boot/dts/imx53-m53evk.dts index d0e0f57eb432..53f40885c530 100644 --- a/arch/arm/boot/dts/imx53-m53evk.dts +++ b/arch/arm/boot/dts/imx53-m53evk.dts @@ -124,8 +124,8 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio1 1 0>; - wp-gpios = <&gpio1 9 0>; + cd-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-qsb-common.dtsi b/arch/arm/boot/dts/imx53-qsb-common.dtsi index 181ae5ebf23f..b0d5542ac829 100644 --- a/arch/arm/boot/dts/imx53-qsb-common.dtsi +++ b/arch/arm/boot/dts/imx53-qsb-common.dtsi @@ -147,8 +147,8 @@ &esdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc3>; - cd-gpios = <&gpio3 11 0>; - wp-gpios = <&gpio3 12 0>; + cd-gpios = <&gpio3 11 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio3 12 GPIO_ACTIVE_HIGH>; bus-width = <8>; status = "okay"; }; @@ -295,9 +295,10 @@ &tve { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_vga_sync>; + ddc-i2c-bus = <&i2c2>; fsl,tve-mode = "vga"; - fsl,hsync-pin = <4>; - fsl,vsync-pin = <6>; + fsl,hsync-pin = <7>; /* IPU DI1 PIN7 via EIM_OE */ + fsl,vsync-pin = <8>; /* IPU DI1 PIN8 via EIM_RW */ status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-smd.dts b/arch/arm/boot/dts/imx53-smd.dts index 1d325576bcc0..fc89ce1e5763 100644 --- a/arch/arm/boot/dts/imx53-smd.dts +++ b/arch/arm/boot/dts/imx53-smd.dts @@ -41,8 +41,8 @@ &esdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; - cd-gpios = <&gpio3 13 0>; - wp-gpios = <&gpio4 11 0>; + cd-gpios = <&gpio3 13 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio4 11 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx53-tqma53.dtsi b/arch/arm/boot/dts/imx53-tqma53.dtsi index 4f1f0e2868bf..e03373a58760 100644 --- a/arch/arm/boot/dts/imx53-tqma53.dtsi +++ b/arch/arm/boot/dts/imx53-tqma53.dtsi @@ -41,8 +41,8 @@ pinctrl-0 = <&pinctrl_esdhc2>, <&pinctrl_esdhc2_cdwp>; vmmc-supply = <®_3p3v>; - wp-gpios = <&gpio1 2 0>; - cd-gpios = <&gpio1 4 0>; + wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx53-tx53.dtsi b/arch/arm/boot/dts/imx53-tx53.dtsi index 704bd72cbfec..d3e50b22064f 100644 --- a/arch/arm/boot/dts/imx53-tx53.dtsi +++ b/arch/arm/boot/dts/imx53-tx53.dtsi @@ -183,7 +183,7 @@ }; &esdhc1 { - cd-gpios = <&gpio3 24 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio3 24 GPIO_ACTIVE_LOW>; fsl,wp-controller; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc1>; @@ -191,7 +191,7 @@ }; &esdhc2 { - cd-gpios = <&gpio3 25 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio3 25 GPIO_ACTIVE_LOW>; fsl,wp-controller; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc2>; diff --git a/arch/arm/boot/dts/imx53-voipac-bsb.dts b/arch/arm/boot/dts/imx53-voipac-bsb.dts index c17d3ad6dba5..fc51b87ad208 100644 --- a/arch/arm/boot/dts/imx53-voipac-bsb.dts +++ b/arch/arm/boot/dts/imx53-voipac-bsb.dts @@ -119,8 +119,8 @@ &esdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_esdhc2>; - cd-gpios = <&gpio3 25 0>; - wp-gpios = <&gpio2 19 0>; + cd-gpios = <&gpio3 25 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6dl-riotboard.dts b/arch/arm/boot/dts/imx6dl-riotboard.dts index 43cb3fd76be7..5111f5170d53 100644 --- a/arch/arm/boot/dts/imx6dl-riotboard.dts +++ b/arch/arm/boot/dts/imx6dl-riotboard.dts @@ -305,8 +305,8 @@ &usdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; - cd-gpios = <&gpio1 4 0>; - wp-gpios = <&gpio1 2 0>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; }; @@ -314,8 +314,8 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 0>; - wp-gpios = <&gpio7 1 0>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6q-arm2.dts b/arch/arm/boot/dts/imx6q-arm2.dts index 78df05e9d1ce..d6515f7a56c4 100644 --- a/arch/arm/boot/dts/imx6q-arm2.dts +++ b/arch/arm/boot/dts/imx6q-arm2.dts @@ -11,6 +11,7 @@ */ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include "imx6q.dtsi" / { @@ -196,8 +197,8 @@ }; &usdhc3 { - cd-gpios = <&gpio6 11 0>; - wp-gpios = <&gpio6 14 0>; + cd-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio6 14 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3 diff --git a/arch/arm/boot/dts/imx6q-gk802.dts b/arch/arm/boot/dts/imx6q-gk802.dts index 703539cf36d3..00bd63e63d0c 100644 --- a/arch/arm/boot/dts/imx6q-gk802.dts +++ b/arch/arm/boot/dts/imx6q-gk802.dts @@ -7,6 +7,7 @@ */ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include "imx6q.dtsi" / { @@ -161,7 +162,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; bus-width = <4>; - cd-gpios = <&gpio6 11 0>; + cd-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6q-tbs2910.dts b/arch/arm/boot/dts/imx6q-tbs2910.dts index a43abfa21e33..5645d52850a7 100644 --- a/arch/arm/boot/dts/imx6q-tbs2910.dts +++ b/arch/arm/boot/dts/imx6q-tbs2910.dts @@ -251,7 +251,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; bus-width = <4>; - cd-gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; @@ -260,7 +260,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; bus-width = <4>; - cd-gpios = <&gpio2 0 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; diff --git a/arch/arm/boot/dts/imx6qdl-aristainetos.dtsi b/arch/arm/boot/dts/imx6qdl-aristainetos.dtsi index e6d9195a1da7..f4d6ae564ead 100644 --- a/arch/arm/boot/dts/imx6qdl-aristainetos.dtsi +++ b/arch/arm/boot/dts/imx6qdl-aristainetos.dtsi @@ -173,7 +173,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc1>; vmmc-supply = <®_3p3v>; - cd-gpios = <&gpio4 7 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio4 7 GPIO_ACTIVE_LOW>; status = "okay"; }; @@ -181,7 +181,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; vmmc-supply = <®_3p3v>; - cd-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio4 8 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi b/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi index 1d85de2befb3..a47a0399a172 100644 --- a/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi @@ -392,7 +392,7 @@ &usdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc1>; - cd-gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>; no-1-8-v; status = "okay"; }; @@ -400,7 +400,7 @@ &usdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; - cd-gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio4 5 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>; no-1-8-v; status = "okay"; diff --git a/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi b/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi index 59e5d15e3ec4..ff41f83551de 100644 --- a/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi +++ b/arch/arm/boot/dts/imx6qdl-cubox-i.dtsi @@ -258,6 +258,6 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_cubox_i_usdhc2_aux &pinctrl_cubox_i_usdhc2>; vmmc-supply = <®_3p3v>; - cd-gpios = <&gpio1 4 0>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi b/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi index 2c253d6d20bd..45e7c39e80d5 100644 --- a/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi +++ b/arch/arm/boot/dts/imx6qdl-dfi-fs700-m60.dtsi @@ -1,3 +1,5 @@ +#include <dt-bindings/gpio/gpio.h> + / { regulators { compatible = "simple-bus"; @@ -181,7 +183,7 @@ &usdhc2 { /* module slot */ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; - cd-gpios = <&gpio2 2 0>; + cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi index b5756c21ea1d..4493f6e99330 100644 --- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi @@ -318,7 +318,7 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi index 86f03c1b147c..a857d1294609 100644 --- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi @@ -324,7 +324,7 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi index 4a8d97f47759..1afe3385e2d2 100644 --- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi @@ -417,7 +417,7 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi b/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi index 62a82f3eba88..6dd0b764e036 100644 --- a/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi +++ b/arch/arm/boot/dts/imx6qdl-hummingboard.dtsi @@ -299,6 +299,6 @@ &pinctrl_hummingboard_usdhc2 >; vmmc-supply = <®_3p3v>; - cd-gpios = <&gpio1 4 0>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi index 3af16dfe417b..d7fe6672d00c 100644 --- a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi +++ b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi @@ -453,7 +453,7 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 0>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; @@ -461,7 +461,7 @@ &usdhc4 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc4>; - cd-gpios = <&gpio2 6 0>; + cd-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi index 1ce6133b67f5..9e6ecd99b472 100644 --- a/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi +++ b/arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi @@ -409,8 +409,8 @@ &usdhc2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; - cd-gpios = <&gpio1 4 0>; - wp-gpios = <&gpio1 2 0>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; status = "disabled"; }; @@ -418,7 +418,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3 &pinctrl_usdhc3_cdwp>; - cd-gpios = <&gpio1 27 0>; - wp-gpios = <&gpio1 29 0>; + cd-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/imx6qdl-rex.dtsi b/arch/arm/boot/dts/imx6qdl-rex.dtsi index 488a640796ac..3373fd958e95 100644 --- a/arch/arm/boot/dts/imx6qdl-rex.dtsi +++ b/arch/arm/boot/dts/imx6qdl-rex.dtsi @@ -342,7 +342,7 @@ pinctrl-0 = <&pinctrl_usdhc2>; bus-width = <4>; cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; - wp-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>; status = "okay"; }; @@ -351,6 +351,6 @@ pinctrl-0 = <&pinctrl_usdhc3>; bus-width = <4>; cd-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; - wp-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi index 3b24b12651b2..e329ca5c3322 100644 --- a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi @@ -467,8 +467,8 @@ pinctrl-0 = <&pinctrl_usdhc3>; pinctrl-1 = <&pinctrl_usdhc3_100mhz>; pinctrl-2 = <&pinctrl_usdhc3_200mhz>; - cd-gpios = <&gpio6 15 0>; - wp-gpios = <&gpio1 13 0>; + cd-gpios = <&gpio6 15 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi index e00c44f6a0df..782379320517 100644 --- a/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabrelite.dtsi @@ -448,8 +448,8 @@ &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio7 0 0>; - wp-gpios = <&gpio7 1 0>; + cd-gpios = <&gpio7 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio7 1 GPIO_ACTIVE_HIGH>; vmmc-supply = <®_3p3v>; status = "okay"; }; @@ -457,7 +457,7 @@ &usdhc4 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc4>; - cd-gpios = <&gpio2 6 0>; + cd-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>; vmmc-supply = <®_3p3v>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi index a626e6dd8022..944eb81cb2b8 100644 --- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi +++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi @@ -562,8 +562,8 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc2>; bus-width = <8>; - cd-gpios = <&gpio2 2 0>; - wp-gpios = <&gpio2 3 0>; + cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>; status = "okay"; }; @@ -571,8 +571,8 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; bus-width = <8>; - cd-gpios = <&gpio2 0 0>; - wp-gpios = <&gpio2 1 0>; + cd-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi index f02b80b41d4f..da08de324e9e 100644 --- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi +++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi @@ -680,7 +680,7 @@ pinctrl-0 = <&pinctrl_usdhc1>; bus-width = <4>; no-1-8-v; - cd-gpios = <&gpio7 2 0>; + cd-gpios = <&gpio7 2 GPIO_ACTIVE_LOW>; fsl,wp-controller; status = "okay"; }; @@ -690,7 +690,7 @@ pinctrl-0 = <&pinctrl_usdhc2>; bus-width = <4>; no-1-8-v; - cd-gpios = <&gpio7 3 0>; + cd-gpios = <&gpio7 3 GPIO_ACTIVE_LOW>; fsl,wp-controller; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi index 5fb091675582..9e096d811bed 100644 --- a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi +++ b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi @@ -9,6 +9,8 @@ * */ +#include <dt-bindings/gpio/gpio.h> + / { regulators { compatible = "simple-bus"; @@ -250,13 +252,13 @@ &usdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc1>; - cd-gpios = <&gpio1 2 0>; + cd-gpios = <&gpio1 2 GPIO_ACTIVE_LOW>; status = "okay"; }; &usdhc3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc3>; - cd-gpios = <&gpio3 9 0>; + cd-gpios = <&gpio3 9 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index e6d13592080d..b57033e8c633 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -181,10 +181,10 @@ interrupt-names = "msi"; #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0x7>; - interrupt-map = <0 0 0 1 &intc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, - <0 0 0 2 &intc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>, - <0 0 0 3 &intc GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>, - <0 0 0 4 &intc GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; + interrupt-map = <0 0 0 1 &gpc GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 2 &gpc GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 3 &gpc GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 4 &gpc GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks IMX6QDL_CLK_PCIE_AXI>, <&clks IMX6QDL_CLK_LVDS1_GATE>, <&clks IMX6QDL_CLK_PCIE_REF_125M>; diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts index 945887d3fdb3..b84dff2e94ea 100644 --- a/arch/arm/boot/dts/imx6sl-evk.dts +++ b/arch/arm/boot/dts/imx6sl-evk.dts @@ -617,8 +617,8 @@ pinctrl-1 = <&pinctrl_usdhc1_100mhz>; pinctrl-2 = <&pinctrl_usdhc1_200mhz>; bus-width = <8>; - cd-gpios = <&gpio4 7 0>; - wp-gpios = <&gpio4 6 0>; + cd-gpios = <&gpio4 7 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio4 6 GPIO_ACTIVE_HIGH>; status = "okay"; }; @@ -627,8 +627,8 @@ pinctrl-0 = <&pinctrl_usdhc2>; pinctrl-1 = <&pinctrl_usdhc2_100mhz>; pinctrl-2 = <&pinctrl_usdhc2_200mhz>; - cd-gpios = <&gpio5 0 0>; - wp-gpios = <&gpio4 29 0>; + cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio4 29 GPIO_ACTIVE_HIGH>; status = "okay"; }; @@ -637,6 +637,6 @@ pinctrl-0 = <&pinctrl_usdhc3>; pinctrl-1 = <&pinctrl_usdhc3_100mhz>; pinctrl-2 = <&pinctrl_usdhc3_200mhz>; - cd-gpios = <&gpio3 22 0>; + cd-gpios = <&gpio3 22 GPIO_ACTIVE_LOW>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts index e3c0b63c2205..115f3fd78971 100644 --- a/arch/arm/boot/dts/imx6sx-sabreauto.dts +++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts @@ -49,7 +49,7 @@ pinctrl-1 = <&pinctrl_usdhc3_100mhz>; pinctrl-2 = <&pinctrl_usdhc3_200mhz>; bus-width = <8>; - cd-gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; keep-power-in-suspend; enable-sdio-wakeup; @@ -61,7 +61,7 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc4>; bus-width = <8>; - cd-gpios = <&gpio7 11 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>; no-1-8-v; keep-power-in-suspend; enable-sdio-wakup; diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi index cef04cef3a80..ac88c3467078 100644 --- a/arch/arm/boot/dts/imx6sx-sdb.dtsi +++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi @@ -293,7 +293,7 @@ pinctrl-1 = <&pinctrl_usdhc3_100mhz>; pinctrl-2 = <&pinctrl_usdhc3_200mhz>; bus-width = <8>; - cd-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio2 15 GPIO_ACTIVE_HIGH>; keep-power-in-suspend; enable-sdio-wakeup; @@ -304,7 +304,7 @@ &usdhc4 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc4>; - cd-gpios = <&gpio6 21 GPIO_ACTIVE_HIGH>; + cd-gpios = <&gpio6 21 GPIO_ACTIVE_LOW>; wp-gpios = <&gpio6 20 GPIO_ACTIVE_HIGH>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts index 4d1a4b977d84..fdd1d7c9a5cc 100644 --- a/arch/arm/boot/dts/imx7d-sdb.dts +++ b/arch/arm/boot/dts/imx7d-sdb.dts @@ -234,8 +234,8 @@ &usdhc1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usdhc1>; - cd-gpios = <&gpio5 0 0>; - wp-gpios = <&gpio5 1 0>; + cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>; enable-sdio-wakeup; keep-power-in-suspend; status = "okay"; diff --git a/arch/arm/boot/dts/k2e-clocks.dtsi b/arch/arm/boot/dts/k2e-clocks.dtsi index 4773d6af66a0..d56d68fe7ffc 100644 --- a/arch/arm/boot/dts/k2e-clocks.dtsi +++ b/arch/arm/boot/dts/k2e-clocks.dtsi @@ -13,9 +13,8 @@ clocks { #clock-cells = <0>; compatible = "ti,keystone,main-pll-clock"; clocks = <&refclksys>; - reg = <0x02620350 4>, <0x02310110 4>; - reg-names = "control", "multiplier"; - fixed-postdiv = <2>; + reg = <0x02620350 4>, <0x02310110 4>, <0x02310108 4>; + reg-names = "control", "multiplier", "post-divider"; }; papllclk: papllclk@2620358 { diff --git a/arch/arm/boot/dts/k2e.dtsi b/arch/arm/boot/dts/k2e.dtsi index 50e555eab50d..675fb8e492c6 100644 --- a/arch/arm/boot/dts/k2e.dtsi +++ b/arch/arm/boot/dts/k2e.dtsi @@ -86,7 +86,7 @@ gpio,syscon-dev = <&devctrl 0x240>; }; - pcie@21020000 { + pcie1: pcie@21020000 { compatible = "ti,keystone-pcie","snps,dw-pcie"; clocks = <&clkpcie1>; clock-names = "pcie"; @@ -96,6 +96,7 @@ ranges = <0x81000000 0 0 0x23260000 0x4000 0x4000 0x82000000 0 0x60000000 0x60000000 0 0x10000000>; + status = "disabled"; device_type = "pci"; num-lanes = <2>; @@ -130,10 +131,17 @@ <GIC_SPI 376 IRQ_TYPE_EDGE_RISING>; }; }; + + mdio: mdio@24200f00 { + compatible = "ti,keystone_mdio", "ti,davinci_mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x24200f00 0x100>; + status = "disabled"; + clocks = <&clkcpgmac>; + clock-names = "fck"; + bus_freq = <2500000>; + }; /include/ "k2e-netcp.dtsi" }; }; - -&mdio { - reg = <0x24200f00 0x100>; -}; diff --git a/arch/arm/boot/dts/k2hk-clocks.dtsi b/arch/arm/boot/dts/k2hk-clocks.dtsi index d5adee3c0067..af9b7190533a 100644 --- a/arch/arm/boot/dts/k2hk-clocks.dtsi +++ b/arch/arm/boot/dts/k2hk-clocks.dtsi @@ -22,9 +22,8 @@ clocks { #clock-cells = <0>; compatible = "ti,keystone,main-pll-clock"; clocks = <&refclksys>; - reg = <0x02620350 4>, <0x02310110 4>; - reg-names = "control", "multiplier"; - fixed-postdiv = <2>; + reg = <0x02620350 4>, <0x02310110 4>, <0x02310108 4>; + reg-names = "control", "multiplier", "post-divider"; }; papllclk: papllclk@2620358 { diff --git a/arch/arm/boot/dts/k2hk.dtsi b/arch/arm/boot/dts/k2hk.dtsi index ae6472407b22..d0810a5f2968 100644 --- a/arch/arm/boot/dts/k2hk.dtsi +++ b/arch/arm/boot/dts/k2hk.dtsi @@ -98,6 +98,17 @@ #gpio-cells = <2>; gpio,syscon-dev = <&devctrl 0x25c>; }; + + mdio: mdio@02090300 { + compatible = "ti,keystone_mdio", "ti,davinci_mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x02090300 0x100>; + status = "disabled"; + clocks = <&clkcpgmac>; + clock-names = "fck"; + bus_freq = <2500000>; + }; /include/ "k2hk-netcp.dtsi" }; }; diff --git a/arch/arm/boot/dts/k2l-clocks.dtsi b/arch/arm/boot/dts/k2l-clocks.dtsi index eb1e3e29f073..ef8464bb11ff 100644 --- a/arch/arm/boot/dts/k2l-clocks.dtsi +++ b/arch/arm/boot/dts/k2l-clocks.dtsi @@ -22,9 +22,8 @@ clocks { #clock-cells = <0>; compatible = "ti,keystone,main-pll-clock"; clocks = <&refclksys>; - reg = <0x02620350 4>, <0x02310110 4>; - reg-names = "control", "multiplier"; - fixed-postdiv = <2>; + reg = <0x02620350 4>, <0x02310110 4>, <0x02310108 4>; + reg-names = "control", "multiplier", "post-divider"; }; papllclk: papllclk@2620358 { diff --git a/arch/arm/boot/dts/k2l.dtsi b/arch/arm/boot/dts/k2l.dtsi index 0e007483615e..49fd414f680c 100644 --- a/arch/arm/boot/dts/k2l.dtsi +++ b/arch/arm/boot/dts/k2l.dtsi @@ -29,7 +29,6 @@ }; soc { - /include/ "k2l-clocks.dtsi" uart2: serial@02348400 { @@ -79,6 +78,17 @@ #gpio-cells = <2>; gpio,syscon-dev = <&devctrl 0x24c>; }; + + mdio: mdio@26200f00 { + compatible = "ti,keystone_mdio", "ti,davinci_mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x26200f00 0x100>; + status = "disabled"; + clocks = <&clkcpgmac>; + clock-names = "fck"; + bus_freq = <2500000>; + }; /include/ "k2l-netcp.dtsi" }; }; @@ -96,7 +106,3 @@ /* Pin muxed. Enabled and configured by Bootloader */ status = "disabled"; }; - -&mdio { - reg = <0x26200f00 0x100>; -}; diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi index c06542b2c954..72816d65f7ec 100644 --- a/arch/arm/boot/dts/keystone.dtsi +++ b/arch/arm/boot/dts/keystone.dtsi @@ -267,17 +267,6 @@ 1 0 0x21000A00 0x00000100>; }; - mdio: mdio@02090300 { - compatible = "ti,keystone_mdio", "ti,davinci_mdio"; - #address-cells = <1>; - #size-cells = <0>; - reg = <0x02090300 0x100>; - status = "disabled"; - clocks = <&clkpa>; - clock-names = "fck"; - bus_freq = <2500000>; - }; - kirq0: keystone_irq@26202a0 { compatible = "ti,keystone-irq"; interrupts = <GIC_SPI 4 IRQ_TYPE_EDGE_RISING>; @@ -286,7 +275,7 @@ ti,syscon-dev = <&devctrl 0x2a0>; }; - pcie@21800000 { + pcie0: pcie@21800000 { compatible = "ti,keystone-pcie", "snps,dw-pcie"; clocks = <&clkpcie>; clock-names = "pcie"; @@ -296,6 +285,7 @@ ranges = <0x81000000 0 0 0x23250000 0 0x4000 0x82000000 0 0x50000000 0x50000000 0 0x10000000>; + status = "disabled"; device_type = "pci"; num-lanes = <2>; diff --git a/arch/arm/boot/dts/omap2430.dtsi b/arch/arm/boot/dts/omap2430.dtsi index 11a7963be003..2390f387c271 100644 --- a/arch/arm/boot/dts/omap2430.dtsi +++ b/arch/arm/boot/dts/omap2430.dtsi @@ -51,7 +51,8 @@ }; scm_conf: scm_conf@270 { - compatible = "syscon"; + compatible = "syscon", + "simple-bus"; reg = <0x270 0x240>; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi index 233c69e50ae3..df8908adb0cb 100644 --- a/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi +++ b/arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi @@ -120,7 +120,7 @@ lcd0: display@0 { compatible = "lgphilips,lb035q02"; - label = "lcd"; + label = "lcd35"; reg = <1>; /* CS1 */ spi-max-frequency = <10000000>; diff --git a/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi b/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi index f5395b7da912..048fd216970a 100644 --- a/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi +++ b/arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi @@ -98,7 +98,7 @@ lcd0: display@0 { compatible = "samsung,lte430wq-f0c", "panel-dpi"; - label = "lcd"; + label = "lcd43"; pinctrl-names = "default"; pinctrl-0 = <<e430_pins>; diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi index f884d6adb71e..abc4473e6f8a 100644 --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -191,7 +191,8 @@ }; omap4_padconf_global: omap4_padconf_global@5a0 { - compatible = "syscon"; + compatible = "syscon", + "simple-bus"; reg = <0x5a0 0x170>; #address-cells = <1>; #size-cells = <1>; @@ -551,6 +552,7 @@ reg = <0x4a066000 0x100>; interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>; ti,hwmods = "mmu_dsp"; + #iommu-cells = <0>; }; mmu_ipu: mmu@55082000 { @@ -558,6 +560,7 @@ reg = <0x55082000 0x100>; interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>; ti,hwmods = "mmu_ipu"; + #iommu-cells = <0>; ti,iommu-bus-err-back; }; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 7d24ae0306b5..b1a1263e6001 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -180,7 +180,8 @@ }; omap5_padconf_global: omap5_padconf_global@5a0 { - compatible = "syscon"; + compatible = "syscon", + "simple-bus"; reg = <0x5a0 0xec>; #address-cells = <1>; #size-cells = <1>; @@ -612,6 +613,7 @@ reg = <0x4a066000 0x100>; interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>; ti,hwmods = "mmu_dsp"; + #iommu-cells = <0>; }; mmu_ipu: mmu@55082000 { @@ -619,6 +621,7 @@ reg = <0x55082000 0x100>; interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>; ti,hwmods = "mmu_ipu"; + #iommu-cells = <0>; ti,iommu-bus-err-back; }; diff --git a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts index 71468a7eb28f..5e17fd147728 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts +++ b/arch/arm/boot/dts/socfpga_cyclone5_sockit.dts @@ -60,27 +60,27 @@ rxc-skew-ps = <2000>; }; -&mmc0 { - vmmc-supply = <®ulator_3_3v>; - vqmmc-supply = <®ulator_3_3v>; -}; - -&usb1 { - status = "okay"; -}; - &gpio2 { status = "okay"; }; -&i2c1{ +&i2c1 { status = "okay"; - accel1: accel1@53{ - compatible = "adxl34x"; + accel1: accelerometer@53 { + compatible = "adi,adxl345"; reg = <0x53>; - interrupt-parent = < &portc >; + interrupt-parent = <&portc>; interrupts = <3 2>; }; }; + +&mmc0 { + vmmc-supply = <®ulator_3_3v>; + vqmmc-supply = <®ulator_3_3v>; +}; + +&usb1 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/spear1310-evb.dts b/arch/arm/boot/dts/spear1310-evb.dts index d42c84b1df8d..e48857249ce7 100644 --- a/arch/arm/boot/dts/spear1310-evb.dts +++ b/arch/arm/boot/dts/spear1310-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr1310 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear1310.dtsi b/arch/arm/boot/dts/spear1310.dtsi index 9d342920695a..54bc6d3cf290 100644 --- a/arch/arm/boot/dts/spear1310.dtsi +++ b/arch/arm/boot/dts/spear1310.dtsi @@ -1,7 +1,7 @@ /* * DTS file for all SPEAr1310 SoCs * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear1340-evb.dts b/arch/arm/boot/dts/spear1340-evb.dts index b23e05ed1d60..c611f5606dfe 100644 --- a/arch/arm/boot/dts/spear1340-evb.dts +++ b/arch/arm/boot/dts/spear1340-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr1340 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear1340.dtsi b/arch/arm/boot/dts/spear1340.dtsi index 13e1aa33daa2..df2232d767ed 100644 --- a/arch/arm/boot/dts/spear1340.dtsi +++ b/arch/arm/boot/dts/spear1340.dtsi @@ -1,7 +1,7 @@ /* * DTS file for all SPEAr1340 SoCs * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear13xx.dtsi b/arch/arm/boot/dts/spear13xx.dtsi index 40accc87e3a2..14594ce8c18a 100644 --- a/arch/arm/boot/dts/spear13xx.dtsi +++ b/arch/arm/boot/dts/spear13xx.dtsi @@ -1,7 +1,7 @@ /* * DTS file for all SPEAr13xx SoCs * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear300-evb.dts b/arch/arm/boot/dts/spear300-evb.dts index 5de1431653e4..e859e8288bcd 100644 --- a/arch/arm/boot/dts/spear300-evb.dts +++ b/arch/arm/boot/dts/spear300-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr300 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear300.dtsi b/arch/arm/boot/dts/spear300.dtsi index f79b3dfaabe6..f4e92e599729 100644 --- a/arch/arm/boot/dts/spear300.dtsi +++ b/arch/arm/boot/dts/spear300.dtsi @@ -1,7 +1,7 @@ /* * DTS file for SPEAr300 SoC * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear310-evb.dts b/arch/arm/boot/dts/spear310-evb.dts index b09632963d15..070f2c1b7851 100644 --- a/arch/arm/boot/dts/spear310-evb.dts +++ b/arch/arm/boot/dts/spear310-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr310 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear310.dtsi b/arch/arm/boot/dts/spear310.dtsi index 95372080eea6..da210b454753 100644 --- a/arch/arm/boot/dts/spear310.dtsi +++ b/arch/arm/boot/dts/spear310.dtsi @@ -1,7 +1,7 @@ /* * DTS file for SPEAr310 SoC * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear320-evb.dts b/arch/arm/boot/dts/spear320-evb.dts index fdedbb514102..1b1034477923 100644 --- a/arch/arm/boot/dts/spear320-evb.dts +++ b/arch/arm/boot/dts/spear320-evb.dts @@ -1,7 +1,7 @@ /* * DTS file for SPEAr320 Evaluation Baord * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear320.dtsi b/arch/arm/boot/dts/spear320.dtsi index ffea342aeec9..22be6e5edaac 100644 --- a/arch/arm/boot/dts/spear320.dtsi +++ b/arch/arm/boot/dts/spear320.dtsi @@ -1,7 +1,7 @@ /* * DTS file for SPEAr320 SoC * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/spear3xx.dtsi b/arch/arm/boot/dts/spear3xx.dtsi index f0e3fcf8e323..118135d75899 100644 --- a/arch/arm/boot/dts/spear3xx.dtsi +++ b/arch/arm/boot/dts/spear3xx.dtsi @@ -1,7 +1,7 @@ /* * DTS file for all SPEAr3xx SoCs * - * Copyright 2012 Viresh Kumar <viresh.linux@gmail.com> + * Copyright 2012 Viresh Kumar <vireshk@kernel.org> * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License diff --git a/arch/arm/boot/dts/ste-ccu8540.dts b/arch/arm/boot/dts/ste-ccu8540.dts index 32dd55e5f4e6..6eaaf638e52e 100644 --- a/arch/arm/boot/dts/ste-ccu8540.dts +++ b/arch/arm/boot/dts/ste-ccu8540.dts @@ -17,6 +17,13 @@ model = "ST-Ericsson U8540 platform with Device Tree"; compatible = "st-ericsson,ccu8540", "st-ericsson,u8540"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + memory@0 { device_type = "memory"; reg = <0x20000000 0x1f000000>, <0xc0000000 0x3f000000>; diff --git a/arch/arm/boot/dts/ste-ccu9540.dts b/arch/arm/boot/dts/ste-ccu9540.dts index 651c56d400a4..c8b815819cfe 100644 --- a/arch/arm/boot/dts/ste-ccu9540.dts +++ b/arch/arm/boot/dts/ste-ccu9540.dts @@ -16,6 +16,13 @@ model = "ST-Ericsson CCU9540 platform with Device Tree"; compatible = "st-ericsson,ccu9540", "st-ericsson,u9540"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + memory { reg = <0x00000000 0x20000000>; }; diff --git a/arch/arm/boot/dts/ste-dbx5x0.dtsi b/arch/arm/boot/dts/ste-dbx5x0.dtsi index 853684ad7773..b8f81fb418ce 100644 --- a/arch/arm/boot/dts/ste-dbx5x0.dtsi +++ b/arch/arm/boot/dts/ste-dbx5x0.dtsi @@ -15,6 +15,33 @@ #include "skeleton.dtsi" / { + cpus { + #address-cells = <1>; + #size-cells = <0>; + enable-method = "ste,dbx500-smp"; + + cpu-map { + cluster0 { + core0 { + cpu = <&CPU0>; + }; + core1 { + cpu = <&CPU1>; + }; + }; + }; + CPU0: cpu@300 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0x300>; + }; + CPU1: cpu@301 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0x301>; + }; + }; + soc { #address-cells = <1>; #size-cells = <1>; @@ -22,32 +49,6 @@ interrupt-parent = <&intc>; ranges; - cpus { - #address-cells = <1>; - #size-cells = <0>; - - cpu-map { - cluster0 { - core0 { - cpu = <&CPU0>; - }; - core1 { - cpu = <&CPU1>; - }; - }; - }; - CPU0: cpu@0 { - device_type = "cpu"; - compatible = "arm,cortex-a9"; - reg = <0>; - }; - CPU1: cpu@1 { - device_type = "cpu"; - compatible = "arm,cortex-a9"; - reg = <1>; - }; - }; - ptm@801ae000 { compatible = "arm,coresight-etm3x", "arm,primecell"; reg = <0x801ae000 0x1000>; @@ -971,7 +972,7 @@ power-domains = <&pm_domains DOMAIN_VAPE>; }; - uart@80120000 { + ux500_serial0: uart@80120000 { compatible = "arm,pl011", "arm,primecell"; reg = <0x80120000 0x1000>; interrupts = <0 11 IRQ_TYPE_LEVEL_HIGH>; @@ -986,7 +987,7 @@ status = "disabled"; }; - uart@80121000 { + ux500_serial1: uart@80121000 { compatible = "arm,pl011", "arm,primecell"; reg = <0x80121000 0x1000>; interrupts = <0 19 IRQ_TYPE_LEVEL_HIGH>; @@ -1001,7 +1002,7 @@ status = "disabled"; }; - uart@80007000 { + ux500_serial2: uart@80007000 { compatible = "arm,pl011", "arm,primecell"; reg = <0x80007000 0x1000>; interrupts = <0 26 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm/boot/dts/ste-href.dtsi b/arch/arm/boot/dts/ste-href.dtsi index 744c1e3a744d..6d8ce154347e 100644 --- a/arch/arm/boot/dts/ste-href.dtsi +++ b/arch/arm/boot/dts/ste-href.dtsi @@ -32,11 +32,11 @@ status = "okay"; }; + /* This UART is unused and thus left disabled */ uart@80121000 { pinctrl-names = "default", "sleep"; pinctrl-0 = <&uart1_default_mode>; pinctrl-1 = <&uart1_sleep_mode>; - status = "okay"; }; uart@80007000 { diff --git a/arch/arm/boot/dts/ste-hrefprev60-stuib.dts b/arch/arm/boot/dts/ste-hrefprev60-stuib.dts index 2b1cb5b584b6..18e9795a94f9 100644 --- a/arch/arm/boot/dts/ste-hrefprev60-stuib.dts +++ b/arch/arm/boot/dts/ste-hrefprev60-stuib.dts @@ -17,6 +17,13 @@ model = "ST-Ericsson HREF (pre-v60) and ST UIB"; compatible = "st-ericsson,mop500", "st-ericsson,u8500"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + soc { /* Reset line for the BU21013 touchscreen */ i2c@80110000 { diff --git a/arch/arm/boot/dts/ste-hrefprev60-tvk.dts b/arch/arm/boot/dts/ste-hrefprev60-tvk.dts index 59523f866812..24739914e689 100644 --- a/arch/arm/boot/dts/ste-hrefprev60-tvk.dts +++ b/arch/arm/boot/dts/ste-hrefprev60-tvk.dts @@ -16,4 +16,11 @@ / { model = "ST-Ericsson HREF (pre-v60) and TVK1281618 UIB"; compatible = "st-ericsson,mop500", "st-ericsson,u8500"; + + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; }; diff --git a/arch/arm/boot/dts/ste-hrefprev60.dtsi b/arch/arm/boot/dts/ste-hrefprev60.dtsi index 7f3975b58d16..b0278f4c486c 100644 --- a/arch/arm/boot/dts/ste-hrefprev60.dtsi +++ b/arch/arm/boot/dts/ste-hrefprev60.dtsi @@ -23,6 +23,11 @@ }; soc { + /* Enable UART1 on this board */ + uart@80121000 { + status = "okay"; + }; + i2c@80004000 { tps61052@33 { compatible = "tps61052"; diff --git a/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts b/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts index 8c6a2de56cf1..c2e1ba019a2f 100644 --- a/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts +++ b/arch/arm/boot/dts/ste-hrefv60plus-stuib.dts @@ -19,6 +19,13 @@ model = "ST-Ericsson HREF (v60+) and ST UIB"; compatible = "st-ericsson,hrefv60+", "st-ericsson,u8500"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + soc { /* Reset line for the BU21013 touchscreen */ i2c@80110000 { diff --git a/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts b/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts index d53cccdce776..ebd8547e98f1 100644 --- a/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts +++ b/arch/arm/boot/dts/ste-hrefv60plus-tvk.dts @@ -18,4 +18,11 @@ / { model = "ST-Ericsson HREF (v60+) and TVK1281618 UIB"; compatible = "st-ericsson,hrefv60+", "st-ericsson,u8500"; + + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; }; diff --git a/arch/arm/boot/dts/ste-hrefv60plus.dtsi b/arch/arm/boot/dts/ste-hrefv60plus.dtsi index a4bc9e77d640..810cda743b6d 100644 --- a/arch/arm/boot/dts/ste-hrefv60plus.dtsi +++ b/arch/arm/boot/dts/ste-hrefv60plus.dtsi @@ -43,15 +43,26 @@ <&vaudio_hf_hrefv60_mode>, <&gbf_hrefv60_mode>, <&hdtv_hrefv60_mode>, - <&touch_hrefv60_mode>; + <&touch_hrefv60_mode>, + <&gpios_hrefv60_mode>; sdi0 { - /* SD card detect GPIO pin, extend default state */ sdi0_default_mode: sdi0_default { + /* SD card detect GPIO pin, extend default state */ default_hrefv60_cfg1 { pins = "GPIO95_E8"; ste,config = <&gpio_in_pu>; }; + /* VMMCI level-shifter enable */ + default_hrefv60_cfg2 { + pins = "GPIO169_D22"; + ste,config = <&gpio_out_lo>; + }; + /* VMMCI level-shifter voltage select */ + default_hrefv60_cfg3 { + pins = "GPIO5_AG6"; + ste,config = <&gpio_out_hi>; + }; }; }; ipgpio { @@ -213,6 +224,16 @@ }; }; }; + gpios { + /* Dangling GPIO pins */ + gpios_hrefv60_mode: gpios_hrefv60 { + default_cfg1 { + /* Normally UART1 RXD, now dangling */ + pins = "GPIO4_AH6"; + ste,config = <&in_pu>; + }; + }; + }; }; }; }; diff --git a/arch/arm/boot/dts/ste-nomadik-nhk15.dts b/arch/arm/boot/dts/ste-nomadik-nhk15.dts index 3d0b8755caee..3d25dba143a5 100644 --- a/arch/arm/boot/dts/ste-nomadik-nhk15.dts +++ b/arch/arm/boot/dts/ste-nomadik-nhk15.dts @@ -17,6 +17,7 @@ }; aliases { + serial1 = &uart1; stmpe-i2c0 = &stmpe0; stmpe-i2c1 = &stmpe1; }; diff --git a/arch/arm/boot/dts/ste-nomadik-s8815.dts b/arch/arm/boot/dts/ste-nomadik-s8815.dts index 85d3b95dfdba..3c140d05f796 100644 --- a/arch/arm/boot/dts/ste-nomadik-s8815.dts +++ b/arch/arm/boot/dts/ste-nomadik-s8815.dts @@ -15,6 +15,10 @@ bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk"; }; + aliases { + serial1 = &uart1; + }; + src@101e0000 { /* These chrystal drivers are not used on this board */ disable-sxtalo; diff --git a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi index 9a5f2ba139b7..ef794a33b4dc 100644 --- a/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi +++ b/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi @@ -757,6 +757,7 @@ clock-names = "uartclk", "apb_pclk"; pinctrl-names = "default"; pinctrl-0 = <&uart0_default_mux>; + status = "disabled"; }; uart1: uart@101fb000 { diff --git a/arch/arm/boot/dts/ste-snowball.dts b/arch/arm/boot/dts/ste-snowball.dts index 9edadc37719f..32a5ccb14e7e 100644 --- a/arch/arm/boot/dts/ste-snowball.dts +++ b/arch/arm/boot/dts/ste-snowball.dts @@ -18,6 +18,13 @@ model = "Calao Systems Snowball platform with device tree"; compatible = "calaosystems,snowball-a9500", "st-ericsson,u9500"; + /* This stablilizes the serial port enumeration */ + aliases { + serial0 = &ux500_serial0; + serial1 = &ux500_serial1; + serial2 = &ux500_serial2; + }; + memory { reg = <0x00000000 0x20000000>; }; @@ -223,11 +230,11 @@ status = "okay"; }; + /* This UART is unused and thus left disabled */ uart@80121000 { pinctrl-names = "default", "sleep"; pinctrl-0 = <&uart1_default_mode>; pinctrl-1 = <&uart1_sleep_mode>; - status = "okay"; }; uart@80007000 { @@ -452,7 +459,21 @@ pins = "GPIO21_AB3"; /* DAT31DIR */ ste,config = <&out_hi>; }; - + /* SD card detect GPIO pin, extend default state */ + snowball_cfg2 { + pins = "GPIO218_AH11"; + ste,config = <&gpio_in_pu>; + }; + /* VMMCI level-shifter enable */ + snowball_cfg3 { + pins = "GPIO217_AH12"; + ste,config = <&gpio_out_lo>; + }; + /* VMMCI level-shifter voltage select */ + snowball_cfg4 { + pins = "GPIO228_AJ6"; + ste,config = <&gpio_out_hi>; + }; }; }; ssp0 { diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild index 83c50193626c..30b3bc1666d2 100644 --- a/arch/arm/include/asm/Kbuild +++ b/arch/arm/include/asm/Kbuild @@ -13,6 +13,7 @@ generic-y += kdebug.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += msgbuf.h generic-y += param.h generic-y += parport.h diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 6f225acc07c5..b7f6fb462ea0 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -286,7 +286,7 @@ extern phys_addr_t (*arch_virt_to_idmap)(unsigned long x); */ static inline phys_addr_t __virt_to_idmap(unsigned long x) { - if (arch_virt_to_idmap) + if (IS_ENABLED(CONFIG_MMU) && arch_virt_to_idmap) return arch_virt_to_idmap(x); else return __virt_to_phys(x); diff --git a/arch/arm/include/asm/mm-arch-hooks.h b/arch/arm/include/asm/mm-arch-hooks.h deleted file mode 100644 index 7056660c7cc4..000000000000 --- a/arch/arm/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_ARM_MM_ARCH_HOOKS_H -#define _ASM_ARM_MM_ARCH_HOOKS_H - -#endif /* _ASM_ARM_MM_ARCH_HOOKS_H */ diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 92828a1dec80..b48dd4f37f80 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -61,6 +61,7 @@ work_pending: movlt scno, #(__NR_restart_syscall - __NR_SYSCALL_BASE) ldmia sp, {r0 - r6} @ have to reload r0 - r6 b local_restart @ ... and off we go +ENDPROC(ret_fast_syscall) /* * "slow" syscall return path. "why" tells us if this was a real syscall. diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index bd755d97e459..29e2991465cb 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -399,6 +399,9 @@ ENTRY(secondary_startup) sub lr, r4, r5 @ mmu has been enabled add r3, r7, lr ldrd r4, [r3, #0] @ get secondary_data.pgdir +ARM_BE8(eor r4, r4, r5) @ Swap r5 and r4 in BE: +ARM_BE8(eor r5, r4, r5) @ it can be done in 3 steps +ARM_BE8(eor r4, r4, r5) @ without using a temp reg. ldr r8, [r3, #8] @ get secondary_data.swapper_pg_dir badr lr, __enable_mmu @ return address mov r13, r12 @ __secondary_switched address diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index 357f57ea83f4..54272e0be713 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -818,12 +818,13 @@ static int of_pmu_irq_cfg(struct arm_pmu *pmu) if (arch_find_n_match_cpu_physical_id(dn, cpu, NULL)) break; - of_node_put(dn); if (cpu >= nr_cpu_ids) { pr_warn("Failed to find logical CPU for %s\n", dn->name); + of_node_put(dn); break; } + of_node_put(dn); irqs[i] = cpu; cpumask_set_cpu(cpu, &pmu->supported_cpus); diff --git a/arch/arm/kernel/reboot.c b/arch/arm/kernel/reboot.c index 1a4d232796be..38269358fd25 100644 --- a/arch/arm/kernel/reboot.c +++ b/arch/arm/kernel/reboot.c @@ -50,7 +50,7 @@ static void __soft_restart(void *addr) flush_cache_all(); /* Switch to the identity mapping. */ - phys_reset = (phys_reset_t)(unsigned long)virt_to_phys(cpu_reset); + phys_reset = (phys_reset_t)(unsigned long)virt_to_idmap(cpu_reset); phys_reset((unsigned long)addr); /* Should never get here. */ diff --git a/arch/arm/kernel/vdso.c b/arch/arm/kernel/vdso.c index efe17dd9b921..54a5aeab988d 100644 --- a/arch/arm/kernel/vdso.c +++ b/arch/arm/kernel/vdso.c @@ -296,7 +296,6 @@ static bool tk_is_cntvct(const struct timekeeper *tk) */ void update_vsyscall(struct timekeeper *tk) { - struct timespec xtime_coarse; struct timespec64 *wtm = &tk->wall_to_monotonic; if (!cntvct_ok) { @@ -308,10 +307,10 @@ void update_vsyscall(struct timekeeper *tk) vdso_write_begin(vdso_data); - xtime_coarse = __current_kernel_time(); vdso_data->tk_is_cntvct = tk_is_cntvct(tk); - vdso_data->xtime_coarse_sec = xtime_coarse.tv_sec; - vdso_data->xtime_coarse_nsec = xtime_coarse.tv_nsec; + vdso_data->xtime_coarse_sec = tk->xtime_sec; + vdso_data->xtime_coarse_nsec = (u32)(tk->tkr_mono.xtime_nsec >> + tk->tkr_mono.shift); vdso_data->wtm_clock_sec = wtm->tv_sec; vdso_data->wtm_clock_nsec = wtm->tv_nsec; diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c index 3e58d710013c..4b39af2dfda9 100644 --- a/arch/arm/lib/uaccess_with_memcpy.c +++ b/arch/arm/lib/uaccess_with_memcpy.c @@ -96,7 +96,7 @@ __copy_to_user_memcpy(void __user *to, const void *from, unsigned long n) } /* the mmap semaphore is taken only if not in an atomic context */ - atomic = in_atomic(); + atomic = faulthandler_disabled(); if (!atomic) down_read(¤t->mm->mmap_sem); diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c index 6001f1c9d136..4a87e86dec45 100644 --- a/arch/arm/mach-exynos/pm_domains.c +++ b/arch/arm/mach-exynos/pm_domains.c @@ -146,9 +146,8 @@ static __init int exynos4_pm_init_power_domain(void) pd->base = of_iomap(np, 0); if (!pd->base) { pr_warn("%s: failed to map memory\n", __func__); - kfree(pd->pd.name); + kfree_const(pd->pd.name); kfree(pd); - of_node_put(np); continue; } diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c index 80bad29d609a..8c4467fad837 100644 --- a/arch/arm/mach-imx/gpc.c +++ b/arch/arm/mach-imx/gpc.c @@ -291,8 +291,6 @@ void __init imx_gpc_check_dt(void) } } -#ifdef CONFIG_PM_GENERIC_DOMAINS - static void _imx6q_pm_pu_power_off(struct generic_pm_domain *genpd) { int iso, iso2sw; @@ -399,7 +397,6 @@ static struct genpd_onecell_data imx_gpc_onecell_data = { static int imx_gpc_genpd_init(struct device *dev, struct regulator *pu_reg) { struct clk *clk; - bool is_off; int i; imx6q_pu_domain.reg = pu_reg; @@ -416,18 +413,13 @@ static int imx_gpc_genpd_init(struct device *dev, struct regulator *pu_reg) } imx6q_pu_domain.num_clks = i; - is_off = IS_ENABLED(CONFIG_PM); - if (is_off) { - _imx6q_pm_pu_power_off(&imx6q_pu_domain.base); - } else { - /* - * Enable power if compiled without CONFIG_PM in case the - * bootloader disabled it. - */ - imx6q_pm_pu_power_on(&imx6q_pu_domain.base); - } + /* Enable power always in case bootloader disabled it. */ + imx6q_pm_pu_power_on(&imx6q_pu_domain.base); + + if (!IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS)) + return 0; - pm_genpd_init(&imx6q_pu_domain.base, NULL, is_off); + pm_genpd_init(&imx6q_pu_domain.base, NULL, false); return of_genpd_add_provider_onecell(dev->of_node, &imx_gpc_onecell_data); @@ -437,13 +429,6 @@ clk_err: return -EINVAL; } -#else -static inline int imx_gpc_genpd_init(struct device *dev, struct regulator *reg) -{ - return 0; -} -#endif /* CONFIG_PM_GENERIC_DOMAINS */ - static int imx_gpc_probe(struct platform_device *pdev) { struct regulator *pu_reg; diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index ecc04ff13e95..4a023e8d1bdb 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -60,6 +60,7 @@ config SOC_AM43XX select ARM_GIC select MACH_OMAP_GENERIC select MIGHT_HAVE_CACHE_L2X0 + select HAVE_ARM_SCU config SOC_DRA7XX bool "TI DRA7XX" diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c index 8e52621b5a6b..e1d2e991d17a 100644 --- a/arch/arm/mach-omap2/omap-wakeupgen.c +++ b/arch/arm/mach-omap2/omap-wakeupgen.c @@ -392,6 +392,7 @@ static struct irq_chip wakeupgen_chip = { .irq_mask = wakeupgen_mask, .irq_unmask = wakeupgen_unmask, .irq_retrigger = irq_chip_retrigger_hierarchy, + .irq_set_type = irq_chip_set_type_parent, .flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_MASK_ON_SUSPEND, #ifdef CONFIG_SMP .irq_set_affinity = irq_chip_set_affinity_parent, diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index d78c12e7cb5e..486cc4ded190 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -2373,6 +2373,9 @@ static int of_dev_hwmod_lookup(struct device_node *np, * registers. This address is needed early so the OCP registers that * are part of the device's address space can be ioremapped properly. * + * If SYSC access is not needed, the registers will not be remapped + * and non-availability of MPU access is not treated as an error. + * * Returns 0 on success, -EINVAL if an invalid hwmod is passed, and * -ENXIO on absent or invalid register target address space. */ @@ -2387,6 +2390,11 @@ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data, _save_mpu_port_index(oh); + /* if we don't need sysc access we don't need to ioremap */ + if (!oh->class->sysc) + return 0; + + /* we can't continue without MPU PORT if we need sysc access */ if (oh->_int_flags & _HWMOD_NO_MPU_PORT) return -ENXIO; @@ -2396,8 +2404,10 @@ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data, oh->name); /* Extract the IO space from device tree blob */ - if (!np) + if (!np) { + pr_err("omap_hwmod: %s: no dt node\n", oh->name); return -ENXIO; + } va_start = of_iomap(np, index + oh->mpu_rt_idx); } else { @@ -2456,13 +2466,11 @@ static int __init _init(struct omap_hwmod *oh, void *data) oh->name, np->name); } - if (oh->class->sysc) { - r = _init_mpu_rt_base(oh, NULL, index, np); - if (r < 0) { - WARN(1, "omap_hwmod: %s: doesn't have mpu register target base\n", - oh->name); - return 0; - } + r = _init_mpu_rt_base(oh, NULL, index, np); + if (r < 0) { + WARN(1, "omap_hwmod: %s: doesn't have mpu register target base\n", + oh->name); + return 0; } r = _init_clocks(oh, NULL); diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c index 2606c6608bd8..562247bced49 100644 --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c @@ -827,8 +827,7 @@ static struct omap_hwmod_class_sysconfig dra7xx_gpmc_sysc = { .syss_offs = 0x0014, .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | - SIDLE_SMART_WKUP), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), .sysc_fields = &omap_hwmod_sysc_type1, }; @@ -844,7 +843,7 @@ static struct omap_hwmod dra7xx_gpmc_hwmod = { .class = &dra7xx_gpmc_hwmod_class, .clkdm_name = "l3main1_clkdm", /* Skip reset for CONFIG_OMAP_GPMC_DEBUG for bootloader timings */ - .flags = HWMOD_SWSUP_SIDLE | DEBUG_OMAP_GPMC_HWMOD_FLAGS, + .flags = DEBUG_OMAP_GPMC_HWMOD_FLAGS, .main_clk = "l3_iclk_div", .prcm = { .omap4 = { diff --git a/arch/arm/mach-pxa/capc7117.c b/arch/arm/mach-pxa/capc7117.c index c092730749b9..bf366b39fa61 100644 --- a/arch/arm/mach-pxa/capc7117.c +++ b/arch/arm/mach-pxa/capc7117.c @@ -24,6 +24,7 @@ #include <linux/ata_platform.h> #include <linux/serial_8250.h> #include <linux/gpio.h> +#include <linux/regulator/machine.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -144,6 +145,8 @@ static void __init capc7117_init(void) capc7117_uarts_init(); capc7117_ide_init(); + + regulator_has_full_constraints(); } MACHINE_START(CAPC7117, diff --git a/arch/arm/mach-pxa/cm-x2xx.c b/arch/arm/mach-pxa/cm-x2xx.c index bb99f59a36d8..a17a91eb8e9a 100644 --- a/arch/arm/mach-pxa/cm-x2xx.c +++ b/arch/arm/mach-pxa/cm-x2xx.c @@ -13,6 +13,7 @@ #include <linux/syscore_ops.h> #include <linux/irq.h> #include <linux/gpio.h> +#include <linux/regulator/machine.h> #include <linux/dm9000.h> #include <linux/leds.h> @@ -466,6 +467,8 @@ static void __init cmx2xx_init(void) cmx2xx_init_ac97(); cmx2xx_init_touchscreen(); cmx2xx_init_leds(); + + regulator_has_full_constraints(); } static void __init cmx2xx_init_irq(void) diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c index 4d3588d26c2a..5851f4c254c1 100644 --- a/arch/arm/mach-pxa/cm-x300.c +++ b/arch/arm/mach-pxa/cm-x300.c @@ -835,6 +835,8 @@ static void __init cm_x300_init(void) cm_x300_init_ac97(); cm_x300_init_wi2wi(); cm_x300_init_bl(); + + regulator_has_full_constraints(); } static void __init cm_x300_fixup(struct tag *tags, char **cmdline) diff --git a/arch/arm/mach-pxa/colibri-pxa270.c b/arch/arm/mach-pxa/colibri-pxa270.c index 5f9d9303b346..3503826333c7 100644 --- a/arch/arm/mach-pxa/colibri-pxa270.c +++ b/arch/arm/mach-pxa/colibri-pxa270.c @@ -18,6 +18,7 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> #include <linux/platform_device.h> +#include <linux/regulator/machine.h> #include <linux/ucb1400.h> #include <asm/mach/arch.h> @@ -294,6 +295,8 @@ static void __init colibri_pxa270_init(void) printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n", colibri_pxa270_baseboard); } + + regulator_has_full_constraints(); } /* The "Income s.r.o. SH-Dmaster PXA270 SBC" board can be booted either diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c index 51531ecffca8..9d7072b04045 100644 --- a/arch/arm/mach-pxa/em-x270.c +++ b/arch/arm/mach-pxa/em-x270.c @@ -1306,6 +1306,8 @@ static void __init em_x270_init(void) em_x270_init_i2c(); em_x270_init_camera(); em_x270_userspace_consumers_init(); + + regulator_has_full_constraints(); } MACHINE_START(EM_X270, "Compulab EM-X270") diff --git a/arch/arm/mach-pxa/icontrol.c b/arch/arm/mach-pxa/icontrol.c index c98511c5abd1..9b0eb0252af6 100644 --- a/arch/arm/mach-pxa/icontrol.c +++ b/arch/arm/mach-pxa/icontrol.c @@ -26,6 +26,7 @@ #include <linux/spi/spi.h> #include <linux/spi/pxa2xx_spi.h> #include <linux/can/platform/mcp251x.h> +#include <linux/regulator/machine.h> #include "generic.h" @@ -185,6 +186,8 @@ static void __init icontrol_init(void) mxm_8x10_mmc_init(); icontrol_can_init(); + + regulator_has_full_constraints(); } MACHINE_START(ICONTROL, "iControl/SafeTcam boards using Embedian MXM-8x10 CoM") diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c index 872dcb20e757..066e3a250ee0 100644 --- a/arch/arm/mach-pxa/trizeps4.c +++ b/arch/arm/mach-pxa/trizeps4.c @@ -26,6 +26,7 @@ #include <linux/dm9000.h> #include <linux/mtd/physmap.h> #include <linux/mtd/partitions.h> +#include <linux/regulator/machine.h> #include <linux/i2c/pxa-i2c.h> #include <asm/types.h> @@ -534,6 +535,8 @@ static void __init trizeps4_init(void) BCR_writew(trizeps_conxs_bcr); board_backlight_power(1); + + regulator_has_full_constraints(); } static void __init trizeps4_map_io(void) diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c index aa89488f961e..54122a983ae3 100644 --- a/arch/arm/mach-pxa/vpac270.c +++ b/arch/arm/mach-pxa/vpac270.c @@ -24,6 +24,7 @@ #include <linux/dm9000.h> #include <linux/ucb1400.h> #include <linux/ata_platform.h> +#include <linux/regulator/machine.h> #include <linux/regulator/max1586.h> #include <linux/i2c/pxa-i2c.h> @@ -711,6 +712,8 @@ static void __init vpac270_init(void) vpac270_ts_init(); vpac270_rtc_init(); vpac270_ide_init(); + + regulator_has_full_constraints(); } MACHINE_START(VPAC270, "Voipac PXA270") diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c index ac2ae5c71ab4..6158566fa0f7 100644 --- a/arch/arm/mach-pxa/zeus.c +++ b/arch/arm/mach-pxa/zeus.c @@ -868,6 +868,8 @@ static void __init zeus_init(void) i2c_register_board_info(0, ARRAY_AND_SIZE(zeus_i2c_devices)); pxa2xx_set_spi_info(3, &pxa2xx_spi_ssp3_master_info); spi_register_board_info(zeus_spi_board_info, ARRAY_SIZE(zeus_spi_board_info)); + + regulator_has_full_constraints(); } static struct map_desc zeus_io_desc[] __initdata = { diff --git a/arch/arm/mach-spear/generic.h b/arch/arm/mach-spear/generic.h index a99d90a4d09c..06640914d9a0 100644 --- a/arch/arm/mach-spear/generic.h +++ b/arch/arm/mach-spear/generic.h @@ -3,7 +3,7 @@ * * Copyright (C) 2009-2012 ST Microelectronics * Rajeev Kumar <rajeev-dlh.kumar@st.com> - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/include/mach/irqs.h b/arch/arm/mach-spear/include/mach/irqs.h index 92da0a8c6bce..7058720c5278 100644 --- a/arch/arm/mach-spear/include/mach/irqs.h +++ b/arch/arm/mach-spear/include/mach/irqs.h @@ -3,7 +3,7 @@ * * Copyright (C) 2009-2012 ST Microelectronics * Rajeev Kumar <rajeev-dlh.kumar@st.com> - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/include/mach/misc_regs.h b/arch/arm/mach-spear/include/mach/misc_regs.h index 935639ce59ba..cfaf7c665b58 100644 --- a/arch/arm/mach-spear/include/mach/misc_regs.h +++ b/arch/arm/mach-spear/include/mach/misc_regs.h @@ -4,7 +4,7 @@ * Miscellaneous registers definitions for SPEAr3xx machine family * * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/include/mach/spear.h b/arch/arm/mach-spear/include/mach/spear.h index f2d6a0176575..5ed841ccf8a3 100644 --- a/arch/arm/mach-spear/include/mach/spear.h +++ b/arch/arm/mach-spear/include/mach/spear.h @@ -3,7 +3,7 @@ * * Copyright (C) 2009,2012 ST Microelectronics * Rajeev Kumar<rajeev-dlh.kumar@st.com> - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/include/mach/uncompress.h b/arch/arm/mach-spear/include/mach/uncompress.h index 51b2dc93e4da..8439b9c12edb 100644 --- a/arch/arm/mach-spear/include/mach/uncompress.h +++ b/arch/arm/mach-spear/include/mach/uncompress.h @@ -4,7 +4,7 @@ * Serial port stubs for kernel decompress status messages * * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/pl080.c b/arch/arm/mach-spear/pl080.c index cfa1199d0f4a..b4529f3e0ee9 100644 --- a/arch/arm/mach-spear/pl080.c +++ b/arch/arm/mach-spear/pl080.c @@ -4,7 +4,7 @@ * DMAC pl080 definitions for SPEAr platform * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/pl080.h b/arch/arm/mach-spear/pl080.h index eb6590ded40d..608dec6725ae 100644 --- a/arch/arm/mach-spear/pl080.h +++ b/arch/arm/mach-spear/pl080.h @@ -4,7 +4,7 @@ * DMAC pl080 definitions for SPEAr platform * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/restart.c b/arch/arm/mach-spear/restart.c index ce5e098c4888..b4342155a783 100644 --- a/arch/arm/mach-spear/restart.c +++ b/arch/arm/mach-spear/restart.c @@ -4,7 +4,7 @@ * SPEAr platform specific restart functions * * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear1310.c b/arch/arm/mach-spear/spear1310.c index d9ce4d8000f0..cd5d375d91f0 100644 --- a/arch/arm/mach-spear/spear1310.c +++ b/arch/arm/mach-spear/spear1310.c @@ -4,7 +4,7 @@ * SPEAr1310 machine source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear1340.c b/arch/arm/mach-spear/spear1340.c index 3f3c0f124bd3..94594d5a446c 100644 --- a/arch/arm/mach-spear/spear1340.c +++ b/arch/arm/mach-spear/spear1340.c @@ -4,7 +4,7 @@ * SPEAr1340 machine source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear13xx.c b/arch/arm/mach-spear/spear13xx.c index 2e463a93468d..b7afce6795f4 100644 --- a/arch/arm/mach-spear/spear13xx.c +++ b/arch/arm/mach-spear/spear13xx.c @@ -4,7 +4,7 @@ * SPEAr13XX machines common source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear300.c b/arch/arm/mach-spear/spear300.c index b52e48f342f4..5b32edda2276 100644 --- a/arch/arm/mach-spear/spear300.c +++ b/arch/arm/mach-spear/spear300.c @@ -4,7 +4,7 @@ * SPEAr300 machine source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear310.c b/arch/arm/mach-spear/spear310.c index ed2029db391f..86a44ac7ff67 100644 --- a/arch/arm/mach-spear/spear310.c +++ b/arch/arm/mach-spear/spear310.c @@ -4,7 +4,7 @@ * SPEAr310 machine source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear320.c b/arch/arm/mach-spear/spear320.c index bf634b32a930..d45d751926c5 100644 --- a/arch/arm/mach-spear/spear320.c +++ b/arch/arm/mach-spear/spear320.c @@ -4,7 +4,7 @@ * SPEAr320 machine source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mach-spear/spear3xx.c b/arch/arm/mach-spear/spear3xx.c index bf3b1fd8cb23..23394ac76cf2 100644 --- a/arch/arm/mach-spear/spear3xx.c +++ b/arch/arm/mach-spear/spear3xx.c @@ -4,7 +4,7 @@ * SPEAr3XX machines common source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 1ced8a0f7a52..cba12f34ff77 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -1971,7 +1971,7 @@ static int extend_iommu_mapping(struct dma_iommu_mapping *mapping) { int next_bitmap; - if (mapping->nr_bitmaps > mapping->extensions) + if (mapping->nr_bitmaps >= mapping->extensions) return -EINVAL; next_bitmap = mapping->nr_bitmaps; diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 0716bbe19872..de2b246fed38 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -274,7 +274,10 @@ __v7_ca15mp_setup: __v7_b15mp_setup: __v7_ca17mp_setup: mov r10, #0 -1: +1: adr r12, __v7_setup_stack @ the local stack + stmia r12, {r0-r5, lr} @ v7_invalidate_l1 touches r0-r6 + bl v7_invalidate_l1 + ldmia r12, {r0-r5, lr} #ifdef CONFIG_SMP ALT_SMP(mrc p15, 0, r0, c1, c0, 1) ALT_UP(mov r0, #(1 << 6)) @ fake it for UP @@ -283,7 +286,7 @@ __v7_ca17mp_setup: orreq r0, r0, r10 @ Enable CPU-specific SMP bits mcreq p15, 0, r0, c1, c0, 1 #endif - b __v7_setup + b __v7_setup_cont /* * Errata: @@ -413,10 +416,11 @@ __v7_pj4b_setup: __v7_setup: adr r12, __v7_setup_stack @ the local stack - stmia r12, {r0-r5, r7, r9, r11, lr} + stmia r12, {r0-r5, lr} @ v7_invalidate_l1 touches r0-r6 bl v7_invalidate_l1 - ldmia r12, {r0-r5, r7, r9, r11, lr} + ldmia r12, {r0-r5, lr} +__v7_setup_cont: and r0, r9, #0xff000000 @ ARM? teq r0, #0x41000000 bne __errata_finish @@ -480,7 +484,7 @@ ENDPROC(__v7_setup) .align 2 __v7_setup_stack: - .space 4 * 11 @ 11 registers + .space 4 * 7 @ 12 registers __INITDATA diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index 4550d247e308..c011e2296cb1 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -74,32 +74,52 @@ struct jit_ctx { int bpf_jit_enable __read_mostly; -static u64 jit_get_skb_b(struct sk_buff *skb, unsigned offset) +static inline int call_neg_helper(struct sk_buff *skb, int offset, void *ret, + unsigned int size) +{ + void *ptr = bpf_internal_load_pointer_neg_helper(skb, offset, size); + + if (!ptr) + return -EFAULT; + memcpy(ret, ptr, size); + return 0; +} + +static u64 jit_get_skb_b(struct sk_buff *skb, int offset) { u8 ret; int err; - err = skb_copy_bits(skb, offset, &ret, 1); + if (offset < 0) + err = call_neg_helper(skb, offset, &ret, 1); + else + err = skb_copy_bits(skb, offset, &ret, 1); return (u64)err << 32 | ret; } -static u64 jit_get_skb_h(struct sk_buff *skb, unsigned offset) +static u64 jit_get_skb_h(struct sk_buff *skb, int offset) { u16 ret; int err; - err = skb_copy_bits(skb, offset, &ret, 2); + if (offset < 0) + err = call_neg_helper(skb, offset, &ret, 2); + else + err = skb_copy_bits(skb, offset, &ret, 2); return (u64)err << 32 | ntohs(ret); } -static u64 jit_get_skb_w(struct sk_buff *skb, unsigned offset) +static u64 jit_get_skb_w(struct sk_buff *skb, int offset) { u32 ret; int err; - err = skb_copy_bits(skb, offset, &ret, 4); + if (offset < 0) + err = call_neg_helper(skb, offset, &ret, 4); + else + err = skb_copy_bits(skb, offset, &ret, 4); return (u64)err << 32 | ntohl(ret); } @@ -536,9 +556,6 @@ static int build_body(struct jit_ctx *ctx) case BPF_LD | BPF_B | BPF_ABS: load_order = 0; load: - /* the interpreter will deal with the negative K */ - if ((int)k < 0) - return -ENOTSUPP; emit_mov_i(r_off, k, ctx); load_common: ctx->seen |= SEEN_DATA | SEEN_CALL; @@ -547,12 +564,24 @@ load_common: emit(ARM_SUB_I(r_scratch, r_skb_hl, 1 << load_order), ctx); emit(ARM_CMP_R(r_scratch, r_off), ctx); - condt = ARM_COND_HS; + condt = ARM_COND_GE; } else { emit(ARM_CMP_R(r_skb_hl, r_off), ctx); condt = ARM_COND_HI; } + /* + * test for negative offset, only if we are + * currently scheduled to take the fast + * path. this will update the flags so that + * the slowpath instruction are ignored if the + * offset is negative. + * + * for loard_order == 0 the HI condition will + * make loads at offset 0 take the slow path too. + */ + _emit(condt, ARM_CMP_I(r_off, 0), ctx); + _emit(condt, ARM_ADD_R(r_scratch, r_off, r_skb_data), ctx); @@ -860,9 +889,11 @@ b_epilogue: off = offsetof(struct sk_buff, vlan_tci); emit(ARM_LDRH_I(r_A, r_skb, off), ctx); if (code == (BPF_ANC | SKF_AD_VLAN_TAG)) - OP_IMM3(ARM_AND, r_A, r_A, VLAN_VID_MASK, ctx); - else - OP_IMM3(ARM_AND, r_A, r_A, VLAN_TAG_PRESENT, ctx); + OP_IMM3(ARM_AND, r_A, r_A, ~VLAN_TAG_PRESENT, ctx); + else { + OP_IMM3(ARM_LSR, r_A, r_A, 12, ctx); + OP_IMM3(ARM_AND, r_A, r_A, 0x1, ctx); + } break; case BPF_ANC | SKF_AD_QUEUE: ctx->seen |= SEEN_SKB; diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile index 9d259d94e429..1160434eece0 100644 --- a/arch/arm/vdso/Makefile +++ b/arch/arm/vdso/Makefile @@ -14,7 +14,7 @@ VDSO_LDFLAGS += -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096 VDSO_LDFLAGS += -nostdlib -shared VDSO_LDFLAGS += $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) VDSO_LDFLAGS += $(call cc-ldoption, -Wl$(comma)--build-id) -VDSO_LDFLAGS += $(call cc-option, -fuse-ld=bfd) +VDSO_LDFLAGS += $(call cc-ldoption, -fuse-ld=bfd) obj-$(CONFIG_VDSO) += vdso.o extra-$(CONFIG_VDSO) += vdso.lds diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi index 0689c3fb56e3..58093edeea2e 100644 --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi @@ -823,7 +823,7 @@ device_type = "dma"; reg = <0x0 0x1f270000 0x0 0x10000>, <0x0 0x1f200000 0x0 0x10000>, - <0x0 0x1b008000 0x0 0x2000>, + <0x0 0x1b000000 0x0 0x400000>, <0x0 0x1054a000 0x0 0x100>; interrupts = <0x0 0x82 0x4>, <0x0 0xb8 0x4>, diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index b112a39834d0..70fd9ffb58cf 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -25,6 +25,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += msi.h diff --git a/arch/arm64/include/asm/mm-arch-hooks.h b/arch/arm64/include/asm/mm-arch-hooks.h deleted file mode 100644 index 562b655f5ba9..000000000000 --- a/arch/arm64/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_ARM64_MM_ARCH_HOOKS_H -#define _ASM_ARM64_MM_ARCH_HOOKS_H - -#endif /* _ASM_ARM64_MM_ARCH_HOOKS_H */ diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c index 9d4aa18f2a82..e8ca6eaedd02 100644 --- a/arch/arm64/kernel/efi.c +++ b/arch/arm64/kernel/efi.c @@ -122,12 +122,12 @@ static int __init uefi_init(void) /* Show what we know for posterity */ c16 = early_memremap(efi_to_phys(efi.systab->fw_vendor), - sizeof(vendor)); + sizeof(vendor) * sizeof(efi_char16_t)); if (c16) { for (i = 0; i < (int) sizeof(vendor) - 1 && *c16; ++i) vendor[i] = c16[i]; vendor[i] = '\0'; - early_memunmap(c16, sizeof(vendor)); + early_memunmap(c16, sizeof(vendor) * sizeof(efi_char16_t)); } pr_info("EFI v%u.%.02u by %s\n", diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index f860bfda454a..e16351819fed 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -585,7 +585,8 @@ ENDPROC(el0_irq) * */ ENTRY(cpu_switch_to) - add x8, x0, #THREAD_CPU_CONTEXT + mov x10, #THREAD_CPU_CONTEXT + add x8, x0, x10 mov x9, sp stp x19, x20, [x8], #16 // store callee-saved registers stp x21, x22, [x8], #16 @@ -594,7 +595,7 @@ ENTRY(cpu_switch_to) stp x27, x28, [x8], #16 stp x29, x9, [x8], #16 str lr, [x8] - add x8, x1, #THREAD_CPU_CONTEXT + add x8, x1, x10 ldp x19, x20, [x8], #16 // restore callee-saved registers ldp x21, x22, [x8], #16 ldp x23, x24, [x8], #16 diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c index 240b75c0e94f..463fa2e7e34c 100644 --- a/arch/arm64/kernel/irq.c +++ b/arch/arm64/kernel/irq.c @@ -61,7 +61,7 @@ void __init init_IRQ(void) static bool migrate_one_irq(struct irq_desc *desc) { struct irq_data *d = irq_desc_get_irq_data(desc); - const struct cpumask *affinity = d->affinity; + const struct cpumask *affinity = irq_data_get_affinity_mask(d); struct irq_chip *c; bool ret = false; @@ -81,7 +81,7 @@ static bool migrate_one_irq(struct irq_desc *desc) if (!c->irq_set_affinity) pr_debug("IRQ%u: unable to set affinity\n", d->irq); else if (c->irq_set_affinity(d, affinity, false) == IRQ_SET_MASK_OK && ret) - cpumask_copy(d->affinity, affinity); + cpumask_copy(irq_data_get_affinity_mask(d), affinity); return ret; } diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c index 1670f15ef69e..948f0ad2de23 100644 --- a/arch/arm64/kernel/signal32.c +++ b/arch/arm64/kernel/signal32.c @@ -168,7 +168,8 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from) * Other callers might not initialize the si_lsb field, * so check explicitely for the right codes here. */ - if (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO) + if (from->si_signo == SIGBUS && + (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO)) err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb); #endif break; @@ -201,8 +202,6 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from) int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) { - memset(to, 0, sizeof *to); - if (copy_from_user(to, from, __ARCH_SI_PREAMBLE_SIZE) || copy_from_user(to->_sifields._pad, from->_sifields._pad, SI_PAD_SIZE)) diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c index ec37ab3f524f..97bc68f4c689 100644 --- a/arch/arm64/kernel/vdso.c +++ b/arch/arm64/kernel/vdso.c @@ -199,16 +199,15 @@ up_fail: */ void update_vsyscall(struct timekeeper *tk) { - struct timespec xtime_coarse; u32 use_syscall = strcmp(tk->tkr_mono.clock->name, "arch_sys_counter"); ++vdso_data->tb_seq_count; smp_wmb(); - xtime_coarse = __current_kernel_time(); vdso_data->use_syscall = use_syscall; - vdso_data->xtime_coarse_sec = xtime_coarse.tv_sec; - vdso_data->xtime_coarse_nsec = xtime_coarse.tv_nsec; + vdso_data->xtime_coarse_sec = tk->xtime_sec; + vdso_data->xtime_coarse_nsec = tk->tkr_mono.xtime_nsec >> + tk->tkr_mono.shift; vdso_data->wtm_clock_sec = tk->wall_to_monotonic.tv_sec; vdso_data->wtm_clock_nsec = tk->wall_to_monotonic.tv_nsec; diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c index f02530e726f6..85c57158dcd9 100644 --- a/arch/arm64/kvm/inject_fault.c +++ b/arch/arm64/kvm/inject_fault.c @@ -168,8 +168,8 @@ void kvm_inject_dabt(struct kvm_vcpu *vcpu, unsigned long addr) { if (!(vcpu->arch.hcr_el2 & HCR_RW)) inject_abt32(vcpu, false, addr); - - inject_abt64(vcpu, false, addr); + else + inject_abt64(vcpu, false, addr); } /** @@ -184,8 +184,8 @@ void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr) { if (!(vcpu->arch.hcr_el2 & HCR_RW)) inject_abt32(vcpu, true, addr); - - inject_abt64(vcpu, true, addr); + else + inject_abt64(vcpu, true, addr); } /** @@ -198,6 +198,6 @@ void kvm_inject_undefined(struct kvm_vcpu *vcpu) { if (!(vcpu->arch.hcr_el2 & HCR_RW)) inject_undef32(vcpu); - - inject_undef64(vcpu); + else + inject_undef64(vcpu); } diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild index 1d66afdfac07..f61f2dd67464 100644 --- a/arch/avr32/include/asm/Kbuild +++ b/arch/avr32/include/asm/Kbuild @@ -12,6 +12,7 @@ generic-y += irq_work.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += param.h generic-y += percpu.h generic-y += preempt.h diff --git a/arch/avr32/include/asm/mm-arch-hooks.h b/arch/avr32/include/asm/mm-arch-hooks.h deleted file mode 100644 index 145452ffbdad..000000000000 --- a/arch/avr32/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_AVR32_MM_ARCH_HOOKS_H -#define _ASM_AVR32_MM_ARCH_HOOKS_H - -#endif /* _ASM_AVR32_MM_ARCH_HOOKS_H */ diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c index d0f771be9e96..a124c55733db 100644 --- a/arch/avr32/kernel/time.c +++ b/arch/avr32/kernel/time.c @@ -18,6 +18,7 @@ #include <mach/pm.h> +static bool disable_cpu_idle_poll; static cycle_t read_cycle_count(struct clocksource *cs) { @@ -80,45 +81,45 @@ static int comparator_next_event(unsigned long delta, return 0; } -static void comparator_mode(enum clock_event_mode mode, - struct clock_event_device *evdev) +static int comparator_shutdown(struct clock_event_device *evdev) { - switch (mode) { - case CLOCK_EVT_MODE_ONESHOT: - pr_debug("%s: start\n", evdev->name); - /* FALLTHROUGH */ - case CLOCK_EVT_MODE_RESUME: + pr_debug("%s: %s\n", __func__, evdev->name); + sysreg_write(COMPARE, 0); + + if (disable_cpu_idle_poll) { + disable_cpu_idle_poll = false; /* - * If we're using the COUNT and COMPARE registers we - * need to force idle poll. + * Only disable idle poll if we have forced that + * in a previous call. */ - cpu_idle_poll_ctrl(true); - break; - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_SHUTDOWN: - sysreg_write(COMPARE, 0); - pr_debug("%s: stop\n", evdev->name); - if (evdev->mode == CLOCK_EVT_MODE_ONESHOT || - evdev->mode == CLOCK_EVT_MODE_RESUME) { - /* - * Only disable idle poll if we have forced that - * in a previous call. - */ - cpu_idle_poll_ctrl(false); - } - break; - default: - BUG(); + cpu_idle_poll_ctrl(false); } + return 0; +} + +static int comparator_set_oneshot(struct clock_event_device *evdev) +{ + pr_debug("%s: %s\n", __func__, evdev->name); + + disable_cpu_idle_poll = true; + /* + * If we're using the COUNT and COMPARE registers we + * need to force idle poll. + */ + cpu_idle_poll_ctrl(true); + + return 0; } static struct clock_event_device comparator = { - .name = "avr32_comparator", - .features = CLOCK_EVT_FEAT_ONESHOT, - .shift = 16, - .rating = 50, - .set_next_event = comparator_next_event, - .set_mode = comparator_mode, + .name = "avr32_comparator", + .features = CLOCK_EVT_FEAT_ONESHOT, + .shift = 16, + .rating = 50, + .set_next_event = comparator_next_event, + .set_state_shutdown = comparator_shutdown, + .set_state_oneshot = comparator_set_oneshot, + .tick_resume = comparator_set_oneshot, }; void read_persistent_clock(struct timespec *ts) diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c index 23b1a97fae7a..52c179bec0cc 100644 --- a/arch/avr32/mach-at32ap/clock.c +++ b/arch/avr32/mach-at32ap/clock.c @@ -80,6 +80,9 @@ int clk_enable(struct clk *clk) { unsigned long flags; + if (!clk) + return 0; + spin_lock_irqsave(&clk_lock, flags); __clk_enable(clk); spin_unlock_irqrestore(&clk_lock, flags); @@ -106,6 +109,9 @@ void clk_disable(struct clk *clk) { unsigned long flags; + if (IS_ERR_OR_NULL(clk)) + return; + spin_lock_irqsave(&clk_lock, flags); __clk_disable(clk); spin_unlock_irqrestore(&clk_lock, flags); @@ -117,6 +123,9 @@ unsigned long clk_get_rate(struct clk *clk) unsigned long flags; unsigned long rate; + if (!clk) + return 0; + spin_lock_irqsave(&clk_lock, flags); rate = clk->get_rate(clk); spin_unlock_irqrestore(&clk_lock, flags); @@ -129,6 +138,9 @@ long clk_round_rate(struct clk *clk, unsigned long rate) { unsigned long flags, actual_rate; + if (!clk) + return 0; + if (!clk->set_rate) return -ENOSYS; @@ -145,6 +157,9 @@ int clk_set_rate(struct clk *clk, unsigned long rate) unsigned long flags; long ret; + if (!clk) + return 0; + if (!clk->set_rate) return -ENOSYS; @@ -161,6 +176,9 @@ int clk_set_parent(struct clk *clk, struct clk *parent) unsigned long flags; int ret; + if (!clk) + return 0; + if (!clk->set_parent) return -ENOSYS; @@ -174,7 +192,7 @@ EXPORT_SYMBOL(clk_set_parent); struct clk *clk_get_parent(struct clk *clk) { - return clk->parent; + return !clk ? NULL : clk->parent; } EXPORT_SYMBOL(clk_get_parent); diff --git a/arch/blackfin/include/asm/Kbuild b/arch/blackfin/include/asm/Kbuild index 07051a63415d..61cd1e786a14 100644 --- a/arch/blackfin/include/asm/Kbuild +++ b/arch/blackfin/include/asm/Kbuild @@ -21,6 +21,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += mutex.h diff --git a/arch/blackfin/include/asm/mm-arch-hooks.h b/arch/blackfin/include/asm/mm-arch-hooks.h deleted file mode 100644 index 1c5211ec338f..000000000000 --- a/arch/blackfin/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_BLACKFIN_MM_ARCH_HOOKS_H -#define _ASM_BLACKFIN_MM_ARCH_HOOKS_H - -#endif /* _ASM_BLACKFIN_MM_ARCH_HOOKS_H */ diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild index 7aeb32272975..f17c4dc6050c 100644 --- a/arch/c6x/include/asm/Kbuild +++ b/arch/c6x/include/asm/Kbuild @@ -26,6 +26,7 @@ generic-y += kdebug.h generic-y += kmap_types.h generic-y += local.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += mmu.h generic-y += mmu_context.h diff --git a/arch/c6x/include/asm/mm-arch-hooks.h b/arch/c6x/include/asm/mm-arch-hooks.h deleted file mode 100644 index bb3c4a6ce8e9..000000000000 --- a/arch/c6x/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_C6X_MM_ARCH_HOOKS_H -#define _ASM_C6X_MM_ARCH_HOOKS_H - -#endif /* _ASM_C6X_MM_ARCH_HOOKS_H */ diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild index d294f6aaff1d..ad2244f35bca 100644 --- a/arch/cris/include/asm/Kbuild +++ b/arch/cris/include/asm/Kbuild @@ -18,6 +18,7 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += module.h generic-y += percpu.h generic-y += preempt.h diff --git a/arch/cris/include/asm/mm-arch-hooks.h b/arch/cris/include/asm/mm-arch-hooks.h deleted file mode 100644 index 314f774db2b0..000000000000 --- a/arch/cris/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_CRIS_MM_ARCH_HOOKS_H -#define _ASM_CRIS_MM_ARCH_HOOKS_H - -#endif /* _ASM_CRIS_MM_ARCH_HOOKS_H */ diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild index 30edce31e5c2..8e47b832cc76 100644 --- a/arch/frv/include/asm/Kbuild +++ b/arch/frv/include/asm/Kbuild @@ -4,5 +4,6 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += trace_clock.h diff --git a/arch/frv/include/asm/mm-arch-hooks.h b/arch/frv/include/asm/mm-arch-hooks.h deleted file mode 100644 index 51d13a870404..000000000000 --- a/arch/frv/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_FRV_MM_ARCH_HOOKS_H -#define _ASM_FRV_MM_ARCH_HOOKS_H - -#endif /* _ASM_FRV_MM_ARCH_HOOKS_H */ diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild index 00379d64f707..70e6ae1e7006 100644 --- a/arch/h8300/include/asm/Kbuild +++ b/arch/h8300/include/asm/Kbuild @@ -33,6 +33,7 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += mmu.h generic-y += mmu_context.h diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild index 5ade4a163558..daee37bd0999 100644 --- a/arch/hexagon/include/asm/Kbuild +++ b/arch/hexagon/include/asm/Kbuild @@ -28,6 +28,7 @@ generic-y += kmap_types.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += pci.h diff --git a/arch/hexagon/include/asm/mm-arch-hooks.h b/arch/hexagon/include/asm/mm-arch-hooks.h deleted file mode 100644 index 05e8b939e416..000000000000 --- a/arch/hexagon/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_HEXAGON_MM_ARCH_HOOKS_H -#define _ASM_HEXAGON_MM_ARCH_HOOKS_H - -#endif /* _ASM_HEXAGON_MM_ARCH_HOOKS_H */ diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild index ccff13d33fa2..9de3ba12f6b9 100644 --- a/arch/ia64/include/asm/Kbuild +++ b/arch/ia64/include/asm/Kbuild @@ -4,6 +4,7 @@ generic-y += exec.h generic-y += irq_work.h generic-y += kvm_para.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += trace_clock.h generic-y += vtime.h diff --git a/arch/ia64/include/asm/mm-arch-hooks.h b/arch/ia64/include/asm/mm-arch-hooks.h deleted file mode 100644 index ab4b5c698322..000000000000 --- a/arch/ia64/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_IA64_MM_ARCH_HOOKS_H -#define _ASM_IA64_MM_ARCH_HOOKS_H - -#endif /* _ASM_IA64_MM_ARCH_HOOKS_H */ diff --git a/arch/m32r/include/asm/Kbuild b/arch/m32r/include/asm/Kbuild index ba1cdc018731..e0eb704ca1fa 100644 --- a/arch/m32r/include/asm/Kbuild +++ b/arch/m32r/include/asm/Kbuild @@ -4,6 +4,7 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += module.h generic-y += preempt.h generic-y += sections.h diff --git a/arch/m32r/include/asm/io.h b/arch/m32r/include/asm/io.h index 0c3f25ee3381..f8de767ce2bc 100644 --- a/arch/m32r/include/asm/io.h +++ b/arch/m32r/include/asm/io.h @@ -174,6 +174,11 @@ static inline void _writel(unsigned long l, unsigned long addr) #define iowrite16 writew #define iowrite32 writel +#define ioread16be(addr) be16_to_cpu(readw(addr)) +#define ioread32be(addr) be32_to_cpu(readl(addr)) +#define iowrite16be(v, addr) writew(cpu_to_be16(v), (addr)) +#define iowrite32be(v, addr) writel(cpu_to_be32(v), (addr)) + #define mmiowb() #define flush_write_buffers() do { } while (0) /* M32R_FIXME */ diff --git a/arch/m32r/include/asm/mm-arch-hooks.h b/arch/m32r/include/asm/mm-arch-hooks.h deleted file mode 100644 index 6d60b4750f41..000000000000 --- a/arch/m32r/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_M32R_MM_ARCH_HOOKS_H -#define _ASM_M32R_MM_ARCH_HOOKS_H - -#endif /* _ASM_M32R_MM_ARCH_HOOKS_H */ diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild index 1555bc189c7d..eb85bd9c6180 100644 --- a/arch/m68k/include/asm/Kbuild +++ b/arch/m68k/include/asm/Kbuild @@ -18,6 +18,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += mutex.h generic-y += percpu.h diff --git a/arch/m68k/include/asm/mm-arch-hooks.h b/arch/m68k/include/asm/mm-arch-hooks.h deleted file mode 100644 index 7e8709bc90ae..000000000000 --- a/arch/m68k/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_M68K_MM_ARCH_HOOKS_H -#define _ASM_M68K_MM_ARCH_HOOKS_H - -#endif /* _ASM_M68K_MM_ARCH_HOOKS_H */ diff --git a/arch/metag/include/asm/Kbuild b/arch/metag/include/asm/Kbuild index 199320f3c345..df31353fd200 100644 --- a/arch/metag/include/asm/Kbuild +++ b/arch/metag/include/asm/Kbuild @@ -25,6 +25,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += msgbuf.h generic-y += mutex.h generic-y += param.h diff --git a/arch/metag/include/asm/mm-arch-hooks.h b/arch/metag/include/asm/mm-arch-hooks.h deleted file mode 100644 index b0072b2eb0de..000000000000 --- a/arch/metag/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_METAG_MM_ARCH_HOOKS_H -#define _ASM_METAG_MM_ARCH_HOOKS_H - -#endif /* _ASM_METAG_MM_ARCH_HOOKS_H */ diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild index 9989ddb169ca..2f222f355c4b 100644 --- a/arch/microblaze/include/asm/Kbuild +++ b/arch/microblaze/include/asm/Kbuild @@ -6,6 +6,7 @@ generic-y += device.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += syscalls.h generic-y += trace_clock.h diff --git a/arch/microblaze/include/asm/mm-arch-hooks.h b/arch/microblaze/include/asm/mm-arch-hooks.h deleted file mode 100644 index 5c4065911bda..000000000000 --- a/arch/microblaze/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_MICROBLAZE_MM_ARCH_HOOKS_H -#define _ASM_MICROBLAZE_MM_ARCH_HOOKS_H - -#endif /* _ASM_MICROBLAZE_MM_ARCH_HOOKS_H */ diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index aab7e46cadd5..199a8357838c 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -151,7 +151,6 @@ config BMIPS_GENERIC select BCM7120_L2_IRQ select BRCMSTB_L2_IRQ select IRQ_MIPS_CPU - select RAW_IRQ_ACCESSORS select DMA_NONCOHERENT select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN @@ -1427,6 +1426,7 @@ config CPU_MIPS64_R6 select CPU_SUPPORTS_HIGHMEM select CPU_SUPPORTS_MSA select GENERIC_CSUM + select MIPS_O32_FP64_SUPPORT if MIPS32_O32 help Choose this option to build a kernel for release 6 or later of the MIPS64 architecture. New MIPS processors, starting with the Warrior @@ -2262,11 +2262,6 @@ config MIPS_CM config MIPS_CPC bool -config SB1_PASS_1_WORKAROUNDS - bool - depends on CPU_SB1_PASS_1 - default y - config SB1_PASS_2_WORKAROUNDS bool depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) diff --git a/arch/mips/Makefile b/arch/mips/Makefile index ae2dd59050f7..252e347958f3 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -181,13 +181,6 @@ cflags-$(CONFIG_CPU_R4000_WORKAROUNDS) += $(call cc-option,-mfix-r4000,) cflags-$(CONFIG_CPU_R4400_WORKAROUNDS) += $(call cc-option,-mfix-r4400,) cflags-$(CONFIG_CPU_DADDI_WORKAROUNDS) += $(call cc-option,-mno-daddi,) -ifdef CONFIG_CPU_SB1 -ifdef CONFIG_SB1_PASS_1_WORKAROUNDS -KBUILD_AFLAGS_MODULE += -msb1-pass1-workarounds -KBUILD_CFLAGS_MODULE += -msb1-pass1-workarounds -endif -endif - # For smartmips configurations, there are hundreds of warnings due to ISA overrides # in assembly and header files. smartmips is only supported for MIPS32r1 onwards # and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c index 01a644f174dd..1ba21204ebe0 100644 --- a/arch/mips/ath79/setup.c +++ b/arch/mips/ath79/setup.c @@ -190,6 +190,7 @@ int get_c0_perfcount_int(void) { return ATH79_MISC_IRQ(5); } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c index 56f5d080ef9d..b7fa9ae28c36 100644 --- a/arch/mips/cavium-octeon/smp.c +++ b/arch/mips/cavium-octeon/smp.c @@ -42,7 +42,7 @@ static irqreturn_t mailbox_interrupt(int irq, void *dev_id) cvmx_write_csr(CVMX_CIU_MBOX_CLRX(coreid), action); if (action & SMP_CALL_FUNCTION) - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); if (action & SMP_RESCHEDULE_YOURSELF) scheduler_ipi(); diff --git a/arch/mips/include/asm/Kbuild b/arch/mips/include/asm/Kbuild index 7fe5c61a3cb8..1f8546081d20 100644 --- a/arch/mips/include/asm/Kbuild +++ b/arch/mips/include/asm/Kbuild @@ -7,6 +7,7 @@ generic-y += emergency-restart.h generic-y += irq_work.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += parport.h generic-y += percpu.h diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h index 084780b355aa..1b0625189835 100644 --- a/arch/mips/include/asm/fpu.h +++ b/arch/mips/include/asm/fpu.h @@ -74,7 +74,7 @@ static inline int __enable_fpu(enum fpu_mode mode) goto fr_common; case FPU_64BIT: -#if !(defined(CONFIG_CPU_MIPS32_R2) || defined(CONFIG_CPU_MIPS32_R6) \ +#if !(defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) \ || defined(CONFIG_64BIT)) /* we only have a 32-bit FPU */ return SIGFPE; diff --git a/arch/mips/include/asm/mach-bcm63xx/dma-coherence.h b/arch/mips/include/asm/mach-bcm63xx/dma-coherence.h deleted file mode 100644 index 11d3b572b1b3..000000000000 --- a/arch/mips/include/asm/mach-bcm63xx/dma-coherence.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef __ASM_MACH_BCM63XX_DMA_COHERENCE_H -#define __ASM_MACH_BCM63XX_DMA_COHERENCE_H - -#include <asm/bmips.h> - -#define plat_post_dma_flush bmips_post_dma_flush - -#include <asm/mach-generic/dma-coherence.h> - -#endif /* __ASM_MACH_BCM63XX_DMA_COHERENCE_H */ diff --git a/arch/mips/include/asm/mach-sibyte/war.h b/arch/mips/include/asm/mach-sibyte/war.h index 0a227d426b9c..520f8fc2c806 100644 --- a/arch/mips/include/asm/mach-sibyte/war.h +++ b/arch/mips/include/asm/mach-sibyte/war.h @@ -13,8 +13,7 @@ #define R4600_V2_HIT_CACHEOP_WAR 0 #define R5432_CP0_INTERRUPT_WAR 0 -#if defined(CONFIG_SB1_PASS_1_WORKAROUNDS) || \ - defined(CONFIG_SB1_PASS_2_WORKAROUNDS) +#if defined(CONFIG_SB1_PASS_2_WORKAROUNDS) #ifndef __ASSEMBLY__ extern int sb1250_m3_workaround_needed(void); diff --git a/arch/mips/include/asm/mm-arch-hooks.h b/arch/mips/include/asm/mm-arch-hooks.h deleted file mode 100644 index b5609fe8e475..000000000000 --- a/arch/mips/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_MIPS_MM_ARCH_HOOKS_H -#define _ASM_MIPS_MM_ARCH_HOOKS_H - -#endif /* _ASM_MIPS_MM_ARCH_HOOKS_H */ diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 9d8106758142..ae8569475264 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -182,8 +182,39 @@ static inline void set_pte(pte_t *ptep, pte_t pteval) * Make sure the buddy is global too (if it's !none, * it better already be global) */ +#ifdef CONFIG_SMP + /* + * For SMP, multiple CPUs can race, so we need to do + * this atomically. + */ +#ifdef CONFIG_64BIT +#define LL_INSN "lld" +#define SC_INSN "scd" +#else /* CONFIG_32BIT */ +#define LL_INSN "ll" +#define SC_INSN "sc" +#endif + unsigned long page_global = _PAGE_GLOBAL; + unsigned long tmp; + + __asm__ __volatile__ ( + " .set push\n" + " .set noreorder\n" + "1: " LL_INSN " %[tmp], %[buddy]\n" + " bnez %[tmp], 2f\n" + " or %[tmp], %[tmp], %[global]\n" + " " SC_INSN " %[tmp], %[buddy]\n" + " beqz %[tmp], 1b\n" + " nop\n" + "2:\n" + " .set pop" + : [buddy] "+m" (buddy->pte), + [tmp] "=&r" (tmp) + : [global] "r" (page_global)); +#else /* !CONFIG_SMP */ if (pte_none(*buddy)) pte_val(*buddy) = pte_val(*buddy) | _PAGE_GLOBAL; +#endif /* CONFIG_SMP */ } #endif } diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h index 16f1ea9ab191..03722d4326a1 100644 --- a/arch/mips/include/asm/smp.h +++ b/arch/mips/include/asm/smp.h @@ -83,8 +83,6 @@ static inline void __cpu_die(unsigned int cpu) extern void play_dead(void); #endif -extern asmlinkage void smp_call_function_interrupt(void); - static inline void arch_send_call_function_single_ipi(int cpu) { extern struct plat_smp_ops *mp_ops; /* private */ diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h index 28d6d9364bd1..a71da576883c 100644 --- a/arch/mips/include/asm/stackframe.h +++ b/arch/mips/include/asm/stackframe.h @@ -152,6 +152,31 @@ .set noreorder bltz k0, 8f move k1, sp +#ifdef CONFIG_EVA + /* + * Flush interAptiv's Return Prediction Stack (RPS) by writing + * EntryHi. Toggling Config7.RPS is slower and less portable. + * + * The RPS isn't automatically flushed when exceptions are + * taken, which can result in kernel mode speculative accesses + * to user addresses if the RPS mispredicts. That's harmless + * when user and kernel share the same address space, but with + * EVA the same user segments may be unmapped to kernel mode, + * even containing sensitive MMIO regions or invalid memory. + * + * This can happen when the kernel sets the return address to + * ret_from_* and jr's to the exception handler, which looks + * more like a tail call than a function call. If nested calls + * don't evict the last user address in the RPS, it will + * mispredict the return and fetch from a user controlled + * address into the icache. + * + * More recent EVA-capable cores with MAAR to restrict + * speculative accesses aren't affected. + */ + MFC0 k0, CP0_ENTRYHI + MTC0 k0, CP0_ENTRYHI +#endif .set reorder /* Called from user mode, new stack. */ get_saved_sp diff --git a/arch/mips/include/uapi/asm/sigcontext.h b/arch/mips/include/uapi/asm/sigcontext.h index 6c9906f59c6e..9081d88ae44f 100644 --- a/arch/mips/include/uapi/asm/sigcontext.h +++ b/arch/mips/include/uapi/asm/sigcontext.h @@ -16,7 +16,7 @@ /* * Keep this struct definition in sync with the sigcontext fragment - * in arch/mips/tools/offset.c + * in arch/mips/kernel/asm-offsets.c */ struct sigcontext { unsigned int sc_regmask; /* Unused */ @@ -46,7 +46,7 @@ struct sigcontext { #include <linux/posix_types.h> /* * Keep this struct definition in sync with the sigcontext fragment - * in arch/mips/tools/offset.c + * in arch/mips/kernel/asm-offsets.c * * Warning: this structure illdefined with sc_badvaddr being just an unsigned * int so it was changed to unsigned long in 2.6.0-test1. This may break diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index beabe19ff8e5..072fab13645d 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -1,5 +1,5 @@ /* - * offset.c: Calculate pt_regs and task_struct offsets. + * asm-offsets.c: Calculate pt_regs and task_struct offsets. * * Copyright (C) 1996 David S. Miller * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Ralf Baechle diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index af42e7003f12..baa7b6fc0a60 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -407,7 +407,7 @@ NESTED(nmi_handler, PT_SIZE, sp) .set noat SAVE_ALL FEXPORT(handle_\exception\ext) - __BUILD_clear_\clear + __build_clear_\clear .set at __BUILD_\verbose \exception move a0, sp diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c index 3e4491aa6d6b..789d7bf4fef3 100644 --- a/arch/mips/kernel/mips-mt-fpaff.c +++ b/arch/mips/kernel/mips-mt-fpaff.c @@ -154,7 +154,7 @@ asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len, unsigned long __user *user_mask_ptr) { unsigned int real_len; - cpumask_t mask; + cpumask_t allowed, mask; int retval; struct task_struct *p; @@ -173,7 +173,8 @@ asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len, if (retval) goto out_unlock; - cpumask_and(&mask, &p->thread.user_cpus_allowed, cpu_possible_mask); + cpumask_or(&allowed, &p->thread.user_cpus_allowed, &p->cpus_allowed); + cpumask_and(&mask, &allowed, cpu_active_mask); out_unlock: read_unlock(&tasklist_lock); diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c index b130033838ba..5fcec3032f38 100644 --- a/arch/mips/kernel/prom.c +++ b/arch/mips/kernel/prom.c @@ -38,7 +38,7 @@ char *mips_get_machine_name(void) return mips_machine_name; } -#ifdef CONFIG_OF +#ifdef CONFIG_USE_OF void __init early_init_dt_add_memory_arch(u64 base, u64 size) { return add_memory_region(base, size, BOOT_MEM_RAM); diff --git a/arch/mips/kernel/relocate_kernel.S b/arch/mips/kernel/relocate_kernel.S index 74bab9ddd0e1..c6bbf2165051 100644 --- a/arch/mips/kernel/relocate_kernel.S +++ b/arch/mips/kernel/relocate_kernel.S @@ -24,7 +24,7 @@ LEAF(relocate_new_kernel) process_entry: PTR_L s2, (s0) - PTR_ADD s0, s0, SZREG + PTR_ADDIU s0, s0, SZREG /* * In case of a kdump/crash kernel, the indirection page is not @@ -61,9 +61,9 @@ copy_word: /* copy page word by word */ REG_L s5, (s2) REG_S s5, (s4) - PTR_ADD s4, s4, SZREG - PTR_ADD s2, s2, SZREG - LONG_SUB s6, s6, 1 + PTR_ADDIU s4, s4, SZREG + PTR_ADDIU s2, s2, SZREG + LONG_ADDIU s6, s6, -1 beq s6, zero, process_entry b copy_word b process_entry diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index ad4d44635c76..a6f6b762c47a 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -80,7 +80,7 @@ syscall_trace_entry: SAVE_STATIC move s0, t2 move a0, sp - daddiu a1, v0, __NR_64_Linux + move a1, v0 jal syscall_trace_enter bltz v0, 2f # seccomp failed? Skip syscall diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 446cc654da56..4b2010654c46 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -72,7 +72,7 @@ n32_syscall_trace_entry: SAVE_STATIC move s0, t2 move a0, sp - daddiu a1, v0, __NR_N32_Linux + move a1, v0 jal syscall_trace_enter bltz v0, 2f # seccomp failed? Skip syscall diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 19a7705f2a01..5d7f2634996f 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -409,8 +409,6 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from) int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) { - memset(to, 0, sizeof *to); - if (copy_from_user(to, from, 3*sizeof(int)) || copy_from_user(to->_sifields._pad, from->_sifields._pad, SI_PAD_SIZE32)) diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c index 336708ae5c5b..78cf8c2f1de0 100644 --- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -284,7 +284,7 @@ static irqreturn_t bmips5000_ipi_interrupt(int irq, void *dev_id) if (action == 0) scheduler_ipi(); else - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } @@ -336,7 +336,7 @@ static irqreturn_t bmips43xx_ipi_interrupt(int irq, void *dev_id) if (action & SMP_RESCHEDULE_YOURSELF) scheduler_ipi(); if (action & SMP_CALL_FUNCTION) - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index d0744cc77ea7..a31896c33716 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -192,16 +192,6 @@ asmlinkage void start_secondary(void) cpu_startup_entry(CPUHP_ONLINE); } -/* - * Call into both interrupt handlers, as we share the IPI for them - */ -void __irq_entry smp_call_function_interrupt(void) -{ - irq_enter(); - generic_smp_call_function_interrupt(); - irq_exit(); -} - static void stop_this_cpu(void *dummy) { /* diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index e207a43b5f8f..8ea28e6ab37d 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -192,6 +192,7 @@ static void show_stacktrace(struct task_struct *task, void show_stack(struct task_struct *task, unsigned long *sp) { struct pt_regs regs; + mm_segment_t old_fs = get_fs(); if (sp) { regs.regs[29] = (unsigned long)sp; regs.regs[31] = 0; @@ -210,7 +211,13 @@ void show_stack(struct task_struct *task, unsigned long *sp) prepare_frametrace(®s); } } + /* + * show_stack() deals exclusively with kernel mode, so be sure to access + * the stack in the kernel (not user) address space. + */ + set_fs(KERNEL_DS); show_stacktrace(task, ®s); + set_fs(old_fs); } static void show_code(unsigned int __user *pc) @@ -1519,6 +1526,7 @@ asmlinkage void do_mcheck(struct pt_regs *regs) const int field = 2 * sizeof(unsigned long); int multi_match = regs->cp0_status & ST0_TS; enum ctx_state prev_state; + mm_segment_t old_fs = get_fs(); prev_state = exception_enter(); show_regs(regs); @@ -1540,8 +1548,13 @@ asmlinkage void do_mcheck(struct pt_regs *regs) dump_tlb_all(); } + if (!user_mode(regs)) + set_fs(KERNEL_DS); + show_code((unsigned int __user *) regs->cp0_epc); + set_fs(old_fs); + /* * Some chips may have other causes of machine check (e.g. SB1 * graduation timer) diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c index af84bef0c90d..eb3efd137fd1 100644 --- a/arch/mips/kernel/unaligned.c +++ b/arch/mips/kernel/unaligned.c @@ -438,7 +438,7 @@ do { \ : "memory"); \ } while(0) -#define StoreDW(addr, value, res) \ +#define _StoreDW(addr, value, res) \ do { \ __asm__ __volatile__ ( \ ".set\tpush\n\t" \ diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index 6ab10573490d..2c218c3bbca5 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -293,7 +293,7 @@ static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) static irqreturn_t ipi_call_interrupt(int irq, void *dev_id) { - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } @@ -466,6 +466,7 @@ int get_c0_perfcount_int(void) { return ltq_perfcount_irq; } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { diff --git a/arch/mips/loongson64/loongson-3/smp.c b/arch/mips/loongson64/loongson-3/smp.c index 509877c6e9d9..1a4738a8f2d3 100644 --- a/arch/mips/loongson64/loongson-3/smp.c +++ b/arch/mips/loongson64/loongson-3/smp.c @@ -266,8 +266,11 @@ void loongson3_ipi_interrupt(struct pt_regs *regs) if (action & SMP_RESCHEDULE_YOURSELF) scheduler_ipi(); - if (action & SMP_CALL_FUNCTION) - smp_call_function_interrupt(); + if (action & SMP_CALL_FUNCTION) { + irq_enter(); + generic_smp_call_function_interrupt(); + irq_exit(); + } if (action & SMP_ASK_C0COUNT) { BUG_ON(cpu != 0); diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index 77d96db8253c..aab218c36e0d 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -160,18 +160,18 @@ static inline void setup_protection_map(void) protection_map[1] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC); protection_map[2] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ); protection_map[3] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC); - protection_map[4] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_READ); + protection_map[4] = __pgprot(_page_cachable_default | _PAGE_PRESENT); protection_map[5] = __pgprot(_page_cachable_default | _PAGE_PRESENT); - protection_map[6] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_READ); + protection_map[6] = __pgprot(_page_cachable_default | _PAGE_PRESENT); protection_map[7] = __pgprot(_page_cachable_default | _PAGE_PRESENT); protection_map[8] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ); protection_map[9] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC); protection_map[10] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE | _PAGE_NO_READ); protection_map[11] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE); - protection_map[12] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_READ); + protection_map[12] = __pgprot(_page_cachable_default | _PAGE_PRESENT); protection_map[13] = __pgprot(_page_cachable_default | _PAGE_PRESENT); - protection_map[14] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE | _PAGE_NO_READ); + protection_map[14] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE); protection_map[15] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE); } else { diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index 36c0f26fac6b..852a41c6da45 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -133,7 +133,8 @@ good_area: #endif goto bad_area; } - if (!(vma->vm_flags & VM_READ)) { + if (!(vma->vm_flags & VM_READ) && + exception_epc(regs) != address) { #if 0 pr_notice("Cpu%d[%s:%d:%0*lx:%ld:%0*lx] RI violation\n", raw_smp_processor_id(), diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c index d1392f8f5811..fa8f591f3713 100644 --- a/arch/mips/mti-malta/malta-int.c +++ b/arch/mips/mti-malta/malta-int.c @@ -222,7 +222,7 @@ static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) static irqreturn_t ipi_call_interrupt(int irq, void *dev_id) { - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c index 5625b190edc0..b7bf721eabf5 100644 --- a/arch/mips/mti-malta/malta-time.c +++ b/arch/mips/mti-malta/malta-time.c @@ -154,6 +154,7 @@ int get_c0_perfcount_int(void) return mips_cpu_perf_irq; } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { @@ -171,14 +172,17 @@ unsigned int get_c0_compare_int(void) static void __init init_rtc(void) { - /* stop the clock whilst setting it up */ - CMOS_WRITE(RTC_SET | RTC_24H, RTC_CONTROL); + unsigned char freq, ctrl; - /* 32KHz time base */ - CMOS_WRITE(RTC_REF_CLCK_32KHZ, RTC_FREQ_SELECT); + /* Set 32KHz time base if not already set */ + freq = CMOS_READ(RTC_FREQ_SELECT); + if ((freq & RTC_DIV_CTL) != RTC_REF_CLCK_32KHZ) + CMOS_WRITE(RTC_REF_CLCK_32KHZ, RTC_FREQ_SELECT); - /* start the clock */ - CMOS_WRITE(RTC_24H, RTC_CONTROL); + /* Ensure SET bit is clear so RTC can run */ + ctrl = CMOS_READ(RTC_CONTROL); + if (ctrl & RTC_SET) + CMOS_WRITE(ctrl & ~RTC_SET, RTC_CONTROL); } void __init plat_time_init(void) diff --git a/arch/mips/mti-sead3/sead3-time.c b/arch/mips/mti-sead3/sead3-time.c index e1d69895fb1d..a120b7a5a8fe 100644 --- a/arch/mips/mti-sead3/sead3-time.c +++ b/arch/mips/mti-sead3/sead3-time.c @@ -77,6 +77,7 @@ int get_c0_perfcount_int(void) return MIPS_CPU_IRQ_BASE + cp0_perfcount_irq; return -1; } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { diff --git a/arch/mips/netlogic/common/smp.c b/arch/mips/netlogic/common/smp.c index dc3e327fbbac..f5fff228b347 100644 --- a/arch/mips/netlogic/common/smp.c +++ b/arch/mips/netlogic/common/smp.c @@ -86,7 +86,7 @@ void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc) { clear_c0_eimr(irq); ack_c0_eirr(irq); - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); set_c0_eimr(irq); } diff --git a/arch/mips/paravirt/paravirt-smp.c b/arch/mips/paravirt/paravirt-smp.c index 42181c7105df..f8d3e081b2eb 100644 --- a/arch/mips/paravirt/paravirt-smp.c +++ b/arch/mips/paravirt/paravirt-smp.c @@ -114,7 +114,7 @@ static irqreturn_t paravirt_reched_interrupt(int irq, void *dev_id) static irqreturn_t paravirt_function_interrupt(int irq, void *dev_id) { - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } diff --git a/arch/mips/pistachio/time.c b/arch/mips/pistachio/time.c index 7c73fcb92a10..8a377346f0ca 100644 --- a/arch/mips/pistachio/time.c +++ b/arch/mips/pistachio/time.c @@ -26,6 +26,7 @@ int get_c0_perfcount_int(void) { return gic_get_c0_perfcount_int(); } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); int get_c0_fdc_int(void) { diff --git a/arch/mips/pmcs-msp71xx/msp_smp.c b/arch/mips/pmcs-msp71xx/msp_smp.c index 10170580a2de..ffa0f7101a97 100644 --- a/arch/mips/pmcs-msp71xx/msp_smp.c +++ b/arch/mips/pmcs-msp71xx/msp_smp.c @@ -44,7 +44,7 @@ static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) static irqreturn_t ipi_call_interrupt(int irq, void *dev_id) { - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } diff --git a/arch/mips/ralink/irq.c b/arch/mips/ralink/irq.c index 53707aacc0f8..8c624a8b9ea2 100644 --- a/arch/mips/ralink/irq.c +++ b/arch/mips/ralink/irq.c @@ -89,6 +89,7 @@ int get_c0_perfcount_int(void) { return rt_perfcount_irq; } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { diff --git a/arch/mips/sgi-ip27/ip27-irq.c b/arch/mips/sgi-ip27/ip27-irq.c index 3fbaef97a1b8..16ec4e12daa3 100644 --- a/arch/mips/sgi-ip27/ip27-irq.c +++ b/arch/mips/sgi-ip27/ip27-irq.c @@ -107,10 +107,14 @@ static void ip27_do_irq_mask0(void) scheduler_ipi(); } else if (pend0 & (1UL << CPU_CALL_A_IRQ)) { LOCAL_HUB_CLR_INTR(CPU_CALL_A_IRQ); - smp_call_function_interrupt(); + irq_enter(); + generic_smp_call_function_interrupt(); + irq_exit(); } else if (pend0 & (1UL << CPU_CALL_B_IRQ)) { LOCAL_HUB_CLR_INTR(CPU_CALL_B_IRQ); - smp_call_function_interrupt(); + irq_enter(); + generic_smp_call_function_interrupt(); + irq_exit(); } else #endif { diff --git a/arch/mips/sibyte/Kconfig b/arch/mips/sibyte/Kconfig index a8bb972fd9fd..cb9a095f5c5e 100644 --- a/arch/mips/sibyte/Kconfig +++ b/arch/mips/sibyte/Kconfig @@ -81,11 +81,6 @@ choice prompt "SiByte SOC Stepping" depends on SIBYTE_SB1xxx_SOC -config CPU_SB1_PASS_1 - bool "1250 Pass1" - depends on SIBYTE_SB1250 - select CPU_HAS_PREFETCH - config CPU_SB1_PASS_2_1250 bool "1250 An" depends on SIBYTE_SB1250 diff --git a/arch/mips/sibyte/bcm1480/smp.c b/arch/mips/sibyte/bcm1480/smp.c index af7d44edd9a8..4c71aea25663 100644 --- a/arch/mips/sibyte/bcm1480/smp.c +++ b/arch/mips/sibyte/bcm1480/smp.c @@ -29,8 +29,6 @@ #include <asm/sibyte/bcm1480_regs.h> #include <asm/sibyte/bcm1480_int.h> -extern void smp_call_function_interrupt(void); - /* * These are routines for dealing with the bcm1480 smp capabilities * independent of board/firmware @@ -184,6 +182,9 @@ void bcm1480_mailbox_interrupt(void) if (action & SMP_RESCHEDULE_YOURSELF) scheduler_ipi(); - if (action & SMP_CALL_FUNCTION) - smp_call_function_interrupt(); + if (action & SMP_CALL_FUNCTION) { + irq_enter(); + generic_smp_call_function_interrupt(); + irq_exit(); + } } diff --git a/arch/mips/sibyte/common/bus_watcher.c b/arch/mips/sibyte/common/bus_watcher.c index 5581844c9194..41a1d2242211 100644 --- a/arch/mips/sibyte/common/bus_watcher.c +++ b/arch/mips/sibyte/common/bus_watcher.c @@ -81,10 +81,7 @@ void check_bus_watcher(void) { u32 status, l2_err, memio_err; -#ifdef CONFIG_SB1_PASS_1_WORKAROUNDS - /* Destructive read, clears register and interrupt */ - status = csr_in32(IOADDR(A_SCD_BUS_ERR_STATUS)); -#elif defined(CONFIG_SIBYTE_BCM112X) || defined(CONFIG_SIBYTE_SB1250) +#if defined(CONFIG_SIBYTE_BCM112X) || defined(CONFIG_SIBYTE_SB1250) /* Use non-destructive register */ status = csr_in32(IOADDR(A_SCD_BUS_ERR_STATUS_DEBUG)); #elif defined(CONFIG_SIBYTE_BCM1x55) || defined(CONFIG_SIBYTE_BCM1x80) diff --git a/arch/mips/sibyte/sb1250/setup.c b/arch/mips/sibyte/sb1250/setup.c index 3c02b2a77ae9..9d3c24efdf4a 100644 --- a/arch/mips/sibyte/sb1250/setup.c +++ b/arch/mips/sibyte/sb1250/setup.c @@ -202,12 +202,10 @@ void __init sb1250_setup(void) switch (war_pass) { case K_SYS_REVISION_BCM1250_PASS1: -#ifndef CONFIG_SB1_PASS_1_WORKAROUNDS printk("@@@@ This is a BCM1250 A0-A2 (Pass 1) board, " "and the kernel doesn't have the proper " "workarounds compiled in. @@@@\n"); bad_config = 1; -#endif break; case K_SYS_REVISION_BCM1250_PASS2: /* Pass 2 - easiest as default for now - so many numbers */ diff --git a/arch/mips/sibyte/sb1250/smp.c b/arch/mips/sibyte/sb1250/smp.c index c0c4b3f88a08..1cf66f5ff23d 100644 --- a/arch/mips/sibyte/sb1250/smp.c +++ b/arch/mips/sibyte/sb1250/smp.c @@ -172,6 +172,9 @@ void sb1250_mailbox_interrupt(void) if (action & SMP_RESCHEDULE_YOURSELF) scheduler_ipi(); - if (action & SMP_CALL_FUNCTION) - smp_call_function_interrupt(); + if (action & SMP_CALL_FUNCTION) { + irq_enter(); + generic_smp_call_function_interrupt(); + irq_exit(); + } } diff --git a/arch/mn10300/include/asm/Kbuild b/arch/mn10300/include/asm/Kbuild index de30b0c88796..6edb9ee6128e 100644 --- a/arch/mn10300/include/asm/Kbuild +++ b/arch/mn10300/include/asm/Kbuild @@ -5,6 +5,7 @@ generic-y += cputime.h generic-y += exec.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += sections.h generic-y += trace_clock.h diff --git a/arch/mn10300/include/asm/mm-arch-hooks.h b/arch/mn10300/include/asm/mm-arch-hooks.h deleted file mode 100644 index e2029a652f4c..000000000000 --- a/arch/mn10300/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_MN10300_MM_ARCH_HOOKS_H -#define _ASM_MN10300_MM_ARCH_HOOKS_H - -#endif /* _ASM_MN10300_MM_ARCH_HOOKS_H */ diff --git a/arch/nios2/include/asm/Kbuild b/arch/nios2/include/asm/Kbuild index 434639d510b3..914864eb5a25 100644 --- a/arch/nios2/include/asm/Kbuild +++ b/arch/nios2/include/asm/Kbuild @@ -30,6 +30,7 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h diff --git a/arch/nios2/include/asm/mm-arch-hooks.h b/arch/nios2/include/asm/mm-arch-hooks.h deleted file mode 100644 index d7290dc68558..000000000000 --- a/arch/nios2/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_NIOS2_MM_ARCH_HOOKS_H -#define _ASM_NIOS2_MM_ARCH_HOOKS_H - -#endif /* _ASM_NIOS2_MM_ARCH_HOOKS_H */ diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig index e5a693b16da2..443f44de1020 100644 --- a/arch/openrisc/Kconfig +++ b/arch/openrisc/Kconfig @@ -17,6 +17,7 @@ config OPENRISC select GENERIC_IRQ_SHOW select GENERIC_IOMAP select GENERIC_CPU_DEVICES + select HAVE_UID16 select GENERIC_ATOMIC64 select GENERIC_CLOCKEVENTS select GENERIC_STRNCPY_FROM_USER @@ -31,9 +32,6 @@ config MMU config HAVE_DMA_ATTRS def_bool y -config UID16 - def_bool y - config RWSEM_GENERIC_SPINLOCK def_bool y diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild index 2a2e39b8109a..2832f031fb11 100644 --- a/arch/openrisc/include/asm/Kbuild +++ b/arch/openrisc/include/asm/Kbuild @@ -36,6 +36,7 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h diff --git a/arch/openrisc/include/asm/mm-arch-hooks.h b/arch/openrisc/include/asm/mm-arch-hooks.h deleted file mode 100644 index 6d33cb555fe1..000000000000 --- a/arch/openrisc/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_OPENRISC_MM_ARCH_HOOKS_H -#define _ASM_OPENRISC_MM_ARCH_HOOKS_H - -#endif /* _ASM_OPENRISC_MM_ARCH_HOOKS_H */ diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index 12b341d04f88..f9b3a81aefcd 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -15,6 +15,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += param.h generic-y += percpu.h diff --git a/arch/parisc/include/asm/mm-arch-hooks.h b/arch/parisc/include/asm/mm-arch-hooks.h deleted file mode 100644 index 654ec63b0ee9..000000000000 --- a/arch/parisc/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_PARISC_MM_ARCH_HOOKS_H -#define _ASM_PARISC_MM_ARCH_HOOKS_H - -#endif /* _ASM_PARISC_MM_ARCH_HOOKS_H */ diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h index 3a08eae3318f..3edbb9fc91b4 100644 --- a/arch/parisc/include/asm/pgalloc.h +++ b/arch/parisc/include/asm/pgalloc.h @@ -72,7 +72,7 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) { - if(pmd_flag(*pmd) & PxD_FLAG_ATTACHED) + if (pmd_flag(*pmd) & PxD_FLAG_ATTACHED) { /* * This is the permanent pmd attached to the pgd; * cannot free it. @@ -81,6 +81,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) */ mm_inc_nr_pmds(mm); return; + } free_pages((unsigned long)pmd, PMD_ORDER); } diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h index e9e4c52f3685..64dc9f547fb6 100644 --- a/arch/powerpc/include/asm/opal-api.h +++ b/arch/powerpc/include/asm/opal-api.h @@ -361,6 +361,7 @@ enum opal_msg_type { OPAL_MSG_HMI_EVT, OPAL_MSG_DPO, OPAL_MSG_PRD, + OPAL_MSG_OCC, OPAL_MSG_TYPE_MAX, }; @@ -700,6 +701,17 @@ struct opal_prd_msg_header { struct opal_prd_msg; +#define OCC_RESET 0 +#define OCC_LOAD 1 +#define OCC_THROTTLE 2 +#define OCC_MAX_THROTTLE_STATUS 5 + +struct opal_occ_msg { + __be64 type; + __be64 chip; + __be64 throttle_status; +}; + /* * SG entries * diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c index 42e02a2d570b..efc3fa54c90b 100644 --- a/arch/powerpc/kernel/pci_of_scan.c +++ b/arch/powerpc/kernel/pci_of_scan.c @@ -191,6 +191,9 @@ struct pci_dev *of_create_pci_dev(struct device_node *node, pci_device_add(dev, bus); + /* Setup MSI caps & disable MSI/MSI-X interrupts */ + pci_msi_setup_pci_dev(dev); + return dev; } EXPORT_SYMBOL(of_create_pci_dev); diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index d3a831ac0f92..da50e0c9c57e 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -966,8 +966,6 @@ int copy_siginfo_to_user32(struct compat_siginfo __user *d, const siginfo_t *s) int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from) { - memset(to, 0, sizeof *to); - if (copy_from_user(to, from, 3*sizeof(int)) || copy_from_user(to->_sifields._pad, from->_sifields._pad, SI_PAD_SIZE32)) diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c index 5cf5e6ea213b..7cf0df859d05 100644 --- a/arch/powerpc/platforms/powernv/eeh-powernv.c +++ b/arch/powerpc/platforms/powernv/eeh-powernv.c @@ -1478,7 +1478,7 @@ static int pnv_eeh_next_error(struct eeh_pe **pe) } /* Unmask the event */ - if (eeh_enabled()) + if (ret == EEH_NEXT_ERR_NONE && eeh_enabled()) enable_irq(eeh_event_irq); return ret; diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 5738d315248b..85cbc96eff6c 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -2220,7 +2220,7 @@ static void pnv_pci_ioda_setup_opal_tce_kill(struct pnv_phb *phb) static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift, unsigned levels, unsigned long limit, - unsigned long *current_offset) + unsigned long *current_offset, unsigned long *total_allocated) { struct page *tce_mem = NULL; __be64 *addr, *tmp; @@ -2236,6 +2236,7 @@ static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift, } addr = page_address(tce_mem); memset(addr, 0, allocated); + *total_allocated += allocated; --levels; if (!levels) { @@ -2245,7 +2246,7 @@ static __be64 *pnv_pci_ioda2_table_do_alloc_pages(int nid, unsigned shift, for (i = 0; i < entries; ++i) { tmp = pnv_pci_ioda2_table_do_alloc_pages(nid, shift, - levels, limit, current_offset); + levels, limit, current_offset, total_allocated); if (!tmp) break; @@ -2267,7 +2268,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, struct iommu_table *tbl) { void *addr; - unsigned long offset = 0, level_shift; + unsigned long offset = 0, level_shift, total_allocated = 0; const unsigned window_shift = ilog2(window_size); unsigned entries_shift = window_shift - page_shift; unsigned table_shift = max_t(unsigned, entries_shift + 3, PAGE_SHIFT); @@ -2286,7 +2287,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, /* Allocate TCE table */ addr = pnv_pci_ioda2_table_do_alloc_pages(nid, level_shift, - levels, tce_table_size, &offset); + levels, tce_table_size, &offset, &total_allocated); /* addr==NULL means that the first level allocation failed */ if (!addr) @@ -2308,7 +2309,7 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, page_shift); tbl->it_level_size = 1ULL << (level_shift - 3); tbl->it_indirect_levels = levels - 1; - tbl->it_allocated_size = offset; + tbl->it_allocated_size = total_allocated; pr_devel("Created TCE table: ws=%08llx ts=%lx @%08llx\n", window_size, tce_table_size, bus_offset); diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild index dc5385ebb071..5ad26dd94d77 100644 --- a/arch/s390/include/asm/Kbuild +++ b/arch/s390/include/asm/Kbuild @@ -3,5 +3,6 @@ generic-y += clkdev.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += trace_clock.h diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h index 0130d0379edd..d9be7c0c1291 100644 --- a/arch/s390/include/asm/hugetlb.h +++ b/arch/s390/include/asm/hugetlb.h @@ -14,6 +14,7 @@ #define is_hugepage_only_range(mm, addr, len) 0 #define hugetlb_free_pgd_range free_pgd_range +#define hugepages_supported() (MACHINE_HAS_HPAGE) void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte); diff --git a/arch/s390/include/asm/mm-arch-hooks.h b/arch/s390/include/asm/mm-arch-hooks.h deleted file mode 100644 index 07680b2f3c59..000000000000 --- a/arch/s390/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_S390_MM_ARCH_HOOKS_H -#define _ASM_S390_MM_ARCH_HOOKS_H - -#endif /* _ASM_S390_MM_ARCH_HOOKS_H */ diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index dd345238d9a7..53eacbd4f09b 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -17,10 +17,7 @@ #define PAGE_DEFAULT_ACC 0 #define PAGE_DEFAULT_KEY (PAGE_DEFAULT_ACC << 4) -#include <asm/setup.h> -#ifndef __ASSEMBLY__ - -extern int HPAGE_SHIFT; +#define HPAGE_SHIFT 20 #define HPAGE_SIZE (1UL << HPAGE_SHIFT) #define HPAGE_MASK (~(HPAGE_SIZE - 1)) #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) @@ -30,6 +27,9 @@ extern int HPAGE_SHIFT; #define ARCH_HAS_PREPARE_HUGEPAGE #define ARCH_HAS_HUGEPAGE_CLEAR_FLUSH +#include <asm/setup.h> +#ifndef __ASSEMBLY__ + static inline void storage_key_init_range(unsigned long start, unsigned long end) { #if PAGE_DEFAULT_KEY diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index c7d1b9d09011..a2da259d9327 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -23,15 +23,15 @@ int main(void) { - DEFINE(__THREAD_info, offsetof(struct task_struct, stack)); - DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp)); - DEFINE(__THREAD_mm_segment, offsetof(struct task_struct, thread.mm_segment)); - BLANK(); + DEFINE(__TASK_thread_info, offsetof(struct task_struct, stack)); + DEFINE(__TASK_thread, offsetof(struct task_struct, thread)); DEFINE(__TASK_pid, offsetof(struct task_struct, pid)); BLANK(); - DEFINE(__THREAD_per_cause, offsetof(struct task_struct, thread.per_event.cause)); - DEFINE(__THREAD_per_address, offsetof(struct task_struct, thread.per_event.address)); - DEFINE(__THREAD_per_paid, offsetof(struct task_struct, thread.per_event.paid)); + DEFINE(__THREAD_ksp, offsetof(struct thread_struct, ksp)); + DEFINE(__THREAD_per_cause, offsetof(struct thread_struct, per_event.cause)); + DEFINE(__THREAD_per_address, offsetof(struct thread_struct, per_event.address)); + DEFINE(__THREAD_per_paid, offsetof(struct thread_struct, per_event.paid)); + DEFINE(__THREAD_trap_tdb, offsetof(struct thread_struct, trap_tdb)); BLANK(); DEFINE(__TI_task, offsetof(struct thread_info, task)); DEFINE(__TI_flags, offsetof(struct thread_info, flags)); @@ -176,7 +176,6 @@ int main(void) DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data)); DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap)); DEFINE(__LC_PGM_TDB, offsetof(struct _lowcore, pgm_tdb)); - DEFINE(__THREAD_trap_tdb, offsetof(struct task_struct, thread.trap_tdb)); DEFINE(__GMAP_ASCE, offsetof(struct gmap, asce)); DEFINE(__SIE_PROG0C, offsetof(struct kvm_s390_sie_block, prog0c)); DEFINE(__SIE_PROG20, offsetof(struct kvm_s390_sie_block, prog20)); diff --git a/arch/s390/kernel/cache.c b/arch/s390/kernel/cache.c index bff5e3b6d822..8ba32436effe 100644 --- a/arch/s390/kernel/cache.c +++ b/arch/s390/kernel/cache.c @@ -138,6 +138,8 @@ int init_cache_level(unsigned int cpu) union cache_topology ct; enum cache_type ctype; + if (!test_facility(34)) + return -EOPNOTSUPP; if (!this_cpu_ci) return -EINVAL; ct.raw = ecag(EXTRACT_TOPOLOGY, 0, 0); diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 3238893c9d4f..84062e7a77da 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -178,17 +178,21 @@ _PIF_WORK = (_PIF_PER_TRAP) */ ENTRY(__switch_to) stmg %r6,%r15,__SF_GPRS(%r15) # store gprs of prev task - stg %r15,__THREAD_ksp(%r2) # store kernel stack of prev - lg %r4,__THREAD_info(%r2) # get thread_info of prev - lg %r5,__THREAD_info(%r3) # get thread_info of next + lgr %r1,%r2 + aghi %r1,__TASK_thread # thread_struct of prev task + lg %r4,__TASK_thread_info(%r2) # get thread_info of prev + lg %r5,__TASK_thread_info(%r3) # get thread_info of next + stg %r15,__THREAD_ksp(%r1) # store kernel stack of prev + lgr %r1,%r3 + aghi %r1,__TASK_thread # thread_struct of next task lgr %r15,%r5 aghi %r15,STACK_INIT # end of kernel stack of next stg %r3,__LC_CURRENT # store task struct of next stg %r5,__LC_THREAD_INFO # store thread info of next stg %r15,__LC_KERNEL_STACK # store end of kernel stack + lg %r15,__THREAD_ksp(%r1) # load kernel stack of next lctl %c4,%c4,__TASK_pid(%r3) # load pid to control reg. 4 mvc __LC_CURRENT_PID+4(4,%r0),__TASK_pid(%r3) # store pid of next - lg %r15,__THREAD_ksp(%r3) # load kernel stack of next lmg %r6,%r15,__SF_GPRS(%r15) # load gprs of next task br %r14 @@ -417,6 +421,7 @@ ENTRY(pgm_check_handler) LAST_BREAK %r14 lg %r15,__LC_KERNEL_STACK lg %r14,__TI_task(%r12) + aghi %r14,__TASK_thread # pointer to thread_struct lghi %r13,__LC_PGM_TDB tm __LC_PGM_ILC+2,0x02 # check for transaction abort jz 2f diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index f7f027caaaaa..ca070d260af2 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -885,8 +885,6 @@ void __init setup_arch(char **cmdline_p) */ setup_hwcaps(); - HPAGE_SHIFT = MACHINE_HAS_HPAGE ? 20 : 0; - /* * Create kernel page tables and switch to virtual addressing. */ diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 4d96c9f53455..7bea81d8a363 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -259,7 +259,7 @@ void vector_exception(struct pt_regs *regs) } /* get vector interrupt code from fpc */ - asm volatile("stfpc %0" : "=m" (current->thread.fp_regs.fpc)); + asm volatile("stfpc %0" : "=Q" (current->thread.fp_regs.fpc)); vic = (current->thread.fp_regs.fpc & 0xf00) >> 8; switch (vic) { case 1: /* invalid vector operation */ @@ -297,7 +297,7 @@ void data_exception(struct pt_regs *regs) location = get_trap_ip(regs); - asm volatile("stfpc %0" : "=m" (current->thread.fp_regs.fpc)); + asm volatile("stfpc %0" : "=Q" (current->thread.fp_regs.fpc)); /* Check for vector register enablement */ if (MACHINE_HAS_VX && !current->thread.vxrs && (current->thread.fp_regs.fpc & FPC_DXC_MASK) == 0xfe00) { diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 2078f92d15ac..f32f843a3631 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1742,10 +1742,10 @@ static bool ibs_enabled(struct kvm_vcpu *vcpu) static int kvm_s390_handle_requests(struct kvm_vcpu *vcpu) { - if (!vcpu->requests) - return 0; retry: kvm_s390_vcpu_request_handled(vcpu); + if (!vcpu->requests) + return 0; /* * We use MMU_RELOAD just to re-arm the ipte notifier for the * guest prefix page. gmap_ipte_notify will wait on the ptl lock. diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 33082d0d101b..b33f66110ca9 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -31,8 +31,6 @@ #define ALLOC_ORDER 2 #define FRAG_MASK 0x03 -int HPAGE_SHIFT; - unsigned long *crst_table_alloc(struct mm_struct *mm) { struct page *page = alloc_pages(GFP_KERNEL, ALLOC_ORDER); diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index fee782acc2ee..8d2e5165865f 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -448,13 +448,13 @@ static void bpf_jit_prologue(struct bpf_jit *jit) EMIT6_DISP_LH(0xe3000000, 0x0004, REG_SKB_DATA, REG_0, BPF_REG_1, offsetof(struct sk_buff, data)); } - /* BPF compatibility: clear A (%b7) and X (%b8) registers */ - if (REG_SEEN(BPF_REG_7)) - /* lghi %b7,0 */ - EMIT4_IMM(0xa7090000, BPF_REG_7, 0); - if (REG_SEEN(BPF_REG_8)) - /* lghi %b8,0 */ - EMIT4_IMM(0xa7090000, BPF_REG_8, 0); + /* BPF compatibility: clear A (%b0) and X (%b7) registers */ + if (REG_SEEN(BPF_REG_A)) + /* lghi %ba,0 */ + EMIT4_IMM(0xa7090000, BPF_REG_A, 0); + if (REG_SEEN(BPF_REG_X)) + /* lghi %bx,0 */ + EMIT4_IMM(0xa7090000, BPF_REG_X, 0); } /* diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild index 138fb3db45ba..92ffe397b893 100644 --- a/arch/score/include/asm/Kbuild +++ b/arch/score/include/asm/Kbuild @@ -7,6 +7,7 @@ generic-y += clkdev.h generic-y += cputime.h generic-y += irq_work.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += sections.h generic-y += trace_clock.h diff --git a/arch/score/include/asm/mm-arch-hooks.h b/arch/score/include/asm/mm-arch-hooks.h deleted file mode 100644 index 5e38689f189a..000000000000 --- a/arch/score/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_SCORE_MM_ARCH_HOOKS_H -#define _ASM_SCORE_MM_ARCH_HOOKS_H - -#endif /* _ASM_SCORE_MM_ARCH_HOOKS_H */ diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild index 9ac4626e7284..aac452b26aa8 100644 --- a/arch/sh/include/asm/Kbuild +++ b/arch/sh/include/asm/Kbuild @@ -16,6 +16,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += msgbuf.h generic-y += param.h diff --git a/arch/sh/include/asm/mm-arch-hooks.h b/arch/sh/include/asm/mm-arch-hooks.h deleted file mode 100644 index 18087298b728..000000000000 --- a/arch/sh/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_SH_MM_ARCH_HOOKS_H -#define _ASM_SH_MM_ARCH_HOOKS_H - -#endif /* _ASM_SH_MM_ARCH_HOOKS_H */ diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index 2b2a69dcc467..e928618838bc 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -12,6 +12,7 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += module.h generic-y += mutex.h generic-y += preempt.h diff --git a/arch/sparc/include/asm/mm-arch-hooks.h b/arch/sparc/include/asm/mm-arch-hooks.h deleted file mode 100644 index b89ba44c16f1..000000000000 --- a/arch/sparc/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_SPARC_MM_ARCH_HOOKS_H -#define _ASM_SPARC_MM_ARCH_HOOKS_H - -#endif /* _ASM_SPARC_MM_ARCH_HOOKS_H */ diff --git a/arch/sparc/include/asm/visasm.h b/arch/sparc/include/asm/visasm.h index 1f0aa2024e94..6424249d5f78 100644 --- a/arch/sparc/include/asm/visasm.h +++ b/arch/sparc/include/asm/visasm.h @@ -28,16 +28,10 @@ * Must preserve %o5 between VISEntryHalf and VISExitHalf */ #define VISEntryHalf \ - rd %fprs, %o5; \ - andcc %o5, FPRS_FEF, %g0; \ - be,pt %icc, 297f; \ - sethi %hi(298f), %g7; \ - sethi %hi(VISenterhalf), %g1; \ - jmpl %g1 + %lo(VISenterhalf), %g0; \ - or %g7, %lo(298f), %g7; \ - clr %o5; \ -297: wr %o5, FPRS_FEF, %fprs; \ -298: + VISEntry + +#define VISExitHalf \ + VISExit #define VISEntryHalfFast(fail_label) \ rd %fprs, %o5; \ @@ -47,7 +41,7 @@ ba,a,pt %xcc, fail_label; \ 297: wr %o5, FPRS_FEF, %fprs; -#define VISExitHalf \ +#define VISExitHalfFast \ wr %o5, 0, %fprs; #ifndef __ASSEMBLY__ diff --git a/arch/sparc/lib/NG4memcpy.S b/arch/sparc/lib/NG4memcpy.S index 140527a20e7d..83aeeb1dffdb 100644 --- a/arch/sparc/lib/NG4memcpy.S +++ b/arch/sparc/lib/NG4memcpy.S @@ -240,8 +240,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ add %o0, 0x40, %o0 bne,pt %icc, 1b LOAD(prefetch, %g1 + 0x200, #n_reads_strong) +#ifdef NON_USER_COPY + VISExitHalfFast +#else VISExitHalf - +#endif brz,pn %o2, .Lexit cmp %o2, 19 ble,pn %icc, .Lsmall_unaligned diff --git a/arch/sparc/lib/VISsave.S b/arch/sparc/lib/VISsave.S index b320ae9e2e2e..a063d84336d6 100644 --- a/arch/sparc/lib/VISsave.S +++ b/arch/sparc/lib/VISsave.S @@ -44,9 +44,8 @@ vis1: ldub [%g6 + TI_FPSAVED], %g3 stx %g3, [%g6 + TI_GSR] 2: add %g6, %g1, %g3 - cmp %o5, FPRS_DU - be,pn %icc, 6f - sll %g1, 3, %g1 + mov FPRS_DU | FPRS_DL | FPRS_FEF, %o5 + sll %g1, 3, %g1 stb %o5, [%g3 + TI_FPSAVED] rd %gsr, %g2 add %g6, %g1, %g3 @@ -80,65 +79,3 @@ vis1: ldub [%g6 + TI_FPSAVED], %g3 .align 32 80: jmpl %g7 + %g0, %g0 nop - -6: ldub [%g3 + TI_FPSAVED], %o5 - or %o5, FPRS_DU, %o5 - add %g6, TI_FPREGS+0x80, %g2 - stb %o5, [%g3 + TI_FPSAVED] - - sll %g1, 5, %g1 - add %g6, TI_FPREGS+0xc0, %g3 - wr %g0, FPRS_FEF, %fprs - membar #Sync - stda %f32, [%g2 + %g1] ASI_BLK_P - stda %f48, [%g3 + %g1] ASI_BLK_P - membar #Sync - ba,pt %xcc, 80f - nop - - .align 32 -80: jmpl %g7 + %g0, %g0 - nop - - .align 32 -VISenterhalf: - ldub [%g6 + TI_FPDEPTH], %g1 - brnz,a,pn %g1, 1f - cmp %g1, 1 - stb %g0, [%g6 + TI_FPSAVED] - stx %fsr, [%g6 + TI_XFSR] - clr %o5 - jmpl %g7 + %g0, %g0 - wr %g0, FPRS_FEF, %fprs - -1: bne,pn %icc, 2f - srl %g1, 1, %g1 - ba,pt %xcc, vis1 - sub %g7, 8, %g7 -2: addcc %g6, %g1, %g3 - sll %g1, 3, %g1 - andn %o5, FPRS_DU, %g2 - stb %g2, [%g3 + TI_FPSAVED] - - rd %gsr, %g2 - add %g6, %g1, %g3 - stx %g2, [%g3 + TI_GSR] - add %g6, %g1, %g2 - stx %fsr, [%g2 + TI_XFSR] - sll %g1, 5, %g1 -3: andcc %o5, FPRS_DL, %g0 - be,pn %icc, 4f - add %g6, TI_FPREGS, %g2 - - add %g6, TI_FPREGS+0x40, %g3 - membar #Sync - stda %f0, [%g2 + %g1] ASI_BLK_P - stda %f16, [%g3 + %g1] ASI_BLK_P - membar #Sync - ba,pt %xcc, 4f - nop - - .align 32 -4: and %o5, FPRS_DU, %o5 - jmpl %g7 + %g0, %g0 - wr %o5, FPRS_FEF, %fprs diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c index 1d649a95660c..8069ce12f20b 100644 --- a/arch/sparc/lib/ksyms.c +++ b/arch/sparc/lib/ksyms.c @@ -135,10 +135,6 @@ EXPORT_SYMBOL(copy_user_page); void VISenter(void); EXPORT_SYMBOL(VISenter); -/* CRYPTO code needs this */ -void VISenterhalf(void); -EXPORT_SYMBOL(VISenterhalf); - extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *); extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *, unsigned long *); diff --git a/arch/tile/include/asm/Kbuild b/arch/tile/include/asm/Kbuild index d53654488c2c..d8a843163471 100644 --- a/arch/tile/include/asm/Kbuild +++ b/arch/tile/include/asm/Kbuild @@ -19,6 +19,7 @@ generic-y += irq_regs.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += msgbuf.h generic-y += mutex.h generic-y += param.h diff --git a/arch/tile/include/asm/mm-arch-hooks.h b/arch/tile/include/asm/mm-arch-hooks.h deleted file mode 100644 index d1709ea774f7..000000000000 --- a/arch/tile/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_TILE_MM_ARCH_HOOKS_H -#define _ASM_TILE_MM_ARCH_HOOKS_H - -#endif /* _ASM_TILE_MM_ARCH_HOOKS_H */ diff --git a/arch/tile/kernel/compat_signal.c b/arch/tile/kernel/compat_signal.c index e8c2c04143cd..c667e104a0c2 100644 --- a/arch/tile/kernel/compat_signal.c +++ b/arch/tile/kernel/compat_signal.c @@ -113,8 +113,6 @@ int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from) if (!access_ok(VERIFY_READ, from, sizeof(struct compat_siginfo))) return -EFAULT; - memset(to, 0, sizeof(*to)); - err = __get_user(to->si_signo, &from->si_signo); err |= __get_user(to->si_errno, &from->si_errno); err |= __get_user(to->si_code, &from->si_code); diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index 99c9ff87e018..6b755d125783 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -1139,7 +1139,7 @@ static void __init load_hv_initrd(void) void __init free_initrd_mem(unsigned long begin, unsigned long end) { - free_bootmem(__pa(begin), end - begin); + free_bootmem_late(__pa(begin), end - begin); } static int __init setup_initrd(char *str) diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild index 3d63ff6f583f..149ec55f9c46 100644 --- a/arch/um/include/asm/Kbuild +++ b/arch/um/include/asm/Kbuild @@ -16,6 +16,7 @@ generic-y += irq_regs.h generic-y += irq_work.h generic-y += kdebug.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += param.h generic-y += pci.h diff --git a/arch/um/include/asm/mm-arch-hooks.h b/arch/um/include/asm/mm-arch-hooks.h deleted file mode 100644 index a7c8b0dfdd4e..000000000000 --- a/arch/um/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_UM_MM_ARCH_HOOKS_H -#define _ASM_UM_MM_ARCH_HOOKS_H - -#endif /* _ASM_UM_MM_ARCH_HOOKS_H */ diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index d12b377b5a8b..1fc7a286dc6f 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -26,6 +26,7 @@ generic-y += kdebug.h generic-y += kmap_types.h generic-y += local.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mman.h generic-y += module.h generic-y += msgbuf.h diff --git a/arch/unicore32/include/asm/mm-arch-hooks.h b/arch/unicore32/include/asm/mm-arch-hooks.h deleted file mode 100644 index 4d79a850c509..000000000000 --- a/arch/unicore32/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_UNICORE32_MM_ARCH_HOOKS_H -#define _ASM_UNICORE32_MM_ARCH_HOOKS_H - -#endif /* _ASM_UNICORE32_MM_ARCH_HOOKS_H */ diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 3dbb7e7909ca..b3a1a5d77d92 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -41,6 +41,7 @@ config X86 select ARCH_USE_CMPXCHG_LOCKREF if X86_64 select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS + select ARCH_WANTS_DYNAMIC_TASK_STRUCT select ARCH_WANT_FRAME_POINTERS select ARCH_WANT_IPC_PARSE_VERSION if X86_32 select ARCH_WANT_OPTIONAL_GPIOLIB diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index a15893d17c55..d8c0d3266173 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -297,6 +297,18 @@ config OPTIMIZE_INLINING If unsure, say N. +config DEBUG_ENTRY + bool "Debug low-level entry code" + depends on DEBUG_KERNEL + ---help--- + This option enables sanity checks in x86's low-level entry code. + Some of these sanity checks may slow down kernel entries and + exits or otherwise impact performance. + + This is currently used to help test NMI code. + + If unsure, say N. + config DEBUG_NMI_SELFTEST bool "NMI Selftest" depends on DEBUG_KERNEL && X86_LOCAL_APIC diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c index 2c82bd150d43..7d69afd8b6fa 100644 --- a/arch/x86/boot/compressed/eboot.c +++ b/arch/x86/boot/compressed/eboot.c @@ -1193,6 +1193,10 @@ static efi_status_t setup_e820(struct boot_params *params, unsigned int e820_type = 0; unsigned long m = efi->efi_memmap; +#ifdef CONFIG_X86_64 + m |= (u64)efi->efi_memmap_hi << 32; +#endif + d = (efi_memory_desc_t *)(m + (i * efi->efi_memdesc_size)); switch (d->type) { case EFI_RESERVED_TYPE: diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 3bb2c4302df1..8cb3e438f21e 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -1237,11 +1237,12 @@ ENTRY(nmi) * If the variable is not set and the stack is not the NMI * stack then: * o Set the special variable on the stack - * o Copy the interrupt frame into a "saved" location on the stack - * o Copy the interrupt frame into a "copy" location on the stack + * o Copy the interrupt frame into an "outermost" location on the + * stack + * o Copy the interrupt frame into an "iret" location on the stack * o Continue processing the NMI * If the variable is set or the previous stack is the NMI stack: - * o Modify the "copy" location to jump to the repeate_nmi + * o Modify the "iret" location to jump to the repeat_nmi * o return back to the first NMI * * Now on exit of the first NMI, we first clear the stack variable @@ -1250,31 +1251,151 @@ ENTRY(nmi) * a nested NMI that updated the copy interrupt stack frame, a * jump will be made to the repeat_nmi code that will handle the second * NMI. + * + * However, espfix prevents us from directly returning to userspace + * with a single IRET instruction. Similarly, IRET to user mode + * can fault. We therefore handle NMIs from user space like + * other IST entries. */ /* Use %rdx as our temp variable throughout */ pushq %rdx + testb $3, CS-RIP+8(%rsp) + jz .Lnmi_from_kernel + + /* + * NMI from user mode. We need to run on the thread stack, but we + * can't go through the normal entry paths: NMIs are masked, and + * we don't want to enable interrupts, because then we'll end + * up in an awkward situation in which IRQs are on but NMIs + * are off. + */ + + SWAPGS + cld + movq %rsp, %rdx + movq PER_CPU_VAR(cpu_current_top_of_stack), %rsp + pushq 5*8(%rdx) /* pt_regs->ss */ + pushq 4*8(%rdx) /* pt_regs->rsp */ + pushq 3*8(%rdx) /* pt_regs->flags */ + pushq 2*8(%rdx) /* pt_regs->cs */ + pushq 1*8(%rdx) /* pt_regs->rip */ + pushq $-1 /* pt_regs->orig_ax */ + pushq %rdi /* pt_regs->di */ + pushq %rsi /* pt_regs->si */ + pushq (%rdx) /* pt_regs->dx */ + pushq %rcx /* pt_regs->cx */ + pushq %rax /* pt_regs->ax */ + pushq %r8 /* pt_regs->r8 */ + pushq %r9 /* pt_regs->r9 */ + pushq %r10 /* pt_regs->r10 */ + pushq %r11 /* pt_regs->r11 */ + pushq %rbx /* pt_regs->rbx */ + pushq %rbp /* pt_regs->rbp */ + pushq %r12 /* pt_regs->r12 */ + pushq %r13 /* pt_regs->r13 */ + pushq %r14 /* pt_regs->r14 */ + pushq %r15 /* pt_regs->r15 */ + + /* + * At this point we no longer need to worry about stack damage + * due to nesting -- we're on the normal thread stack and we're + * done with the NMI stack. + */ + + movq %rsp, %rdi + movq $-1, %rsi + call do_nmi + + /* + * Return back to user mode. We must *not* do the normal exit + * work, because we don't want to enable interrupts. Fortunately, + * do_nmi doesn't modify pt_regs. + */ + SWAPGS + jmp restore_c_regs_and_iret + +.Lnmi_from_kernel: + /* + * Here's what our stack frame will look like: + * +---------------------------------------------------------+ + * | original SS | + * | original Return RSP | + * | original RFLAGS | + * | original CS | + * | original RIP | + * +---------------------------------------------------------+ + * | temp storage for rdx | + * +---------------------------------------------------------+ + * | "NMI executing" variable | + * +---------------------------------------------------------+ + * | iret SS } Copied from "outermost" frame | + * | iret Return RSP } on each loop iteration; overwritten | + * | iret RFLAGS } by a nested NMI to force another | + * | iret CS } iteration if needed. | + * | iret RIP } | + * +---------------------------------------------------------+ + * | outermost SS } initialized in first_nmi; | + * | outermost Return RSP } will not be changed before | + * | outermost RFLAGS } NMI processing is done. | + * | outermost CS } Copied to "iret" frame on each | + * | outermost RIP } iteration. | + * +---------------------------------------------------------+ + * | pt_regs | + * +---------------------------------------------------------+ + * + * The "original" frame is used by hardware. Before re-enabling + * NMIs, we need to be done with it, and we need to leave enough + * space for the asm code here. + * + * We return by executing IRET while RSP points to the "iret" frame. + * That will either return for real or it will loop back into NMI + * processing. + * + * The "outermost" frame is copied to the "iret" frame on each + * iteration of the loop, so each iteration starts with the "iret" + * frame pointing to the final return target. + */ + /* - * If %cs was not the kernel segment, then the NMI triggered in user - * space, which means it is definitely not nested. + * Determine whether we're a nested NMI. + * + * If we interrupted kernel code between repeat_nmi and + * end_repeat_nmi, then we are a nested NMI. We must not + * modify the "iret" frame because it's being written by + * the outer NMI. That's okay; the outer NMI handler is + * about to about to call do_nmi anyway, so we can just + * resume the outer NMI. */ - cmpl $__KERNEL_CS, 16(%rsp) - jne first_nmi + + movq $repeat_nmi, %rdx + cmpq 8(%rsp), %rdx + ja 1f + movq $end_repeat_nmi, %rdx + cmpq 8(%rsp), %rdx + ja nested_nmi_out +1: /* - * Check the special variable on the stack to see if NMIs are - * executing. + * Now check "NMI executing". If it's set, then we're nested. + * This will not detect if we interrupted an outer NMI just + * before IRET. */ cmpl $1, -8(%rsp) je nested_nmi /* - * Now test if the previous stack was an NMI stack. - * We need the double check. We check the NMI stack to satisfy the - * race when the first NMI clears the variable before returning. - * We check the variable because the first NMI could be in a - * breakpoint routine using a breakpoint stack. + * Now test if the previous stack was an NMI stack. This covers + * the case where we interrupt an outer NMI after it clears + * "NMI executing" but before IRET. We need to be careful, though: + * there is one case in which RSP could point to the NMI stack + * despite there being no NMI active: naughty userspace controls + * RSP at the very beginning of the SYSCALL targets. We can + * pull a fast one on naughty userspace, though: we program + * SYSCALL to mask DF, so userspace cannot cause DF to be set + * if it controls the kernel's RSP. We set DF before we clear + * "NMI executing". */ lea 6*8(%rsp), %rdx /* Compare the NMI stack (rdx) with the stack we came from (4*8(%rsp)) */ @@ -1286,25 +1407,20 @@ ENTRY(nmi) cmpq %rdx, 4*8(%rsp) /* If it is below the NMI stack, it is a normal NMI */ jb first_nmi - /* Ah, it is within the NMI stack, treat it as nested */ + + /* Ah, it is within the NMI stack. */ + + testb $(X86_EFLAGS_DF >> 8), (3*8 + 1)(%rsp) + jz first_nmi /* RSP was user controlled. */ + + /* This is a nested NMI. */ nested_nmi: /* - * Do nothing if we interrupted the fixup in repeat_nmi. - * It's about to repeat the NMI handler, so we are fine - * with ignoring this one. + * Modify the "iret" frame to point to repeat_nmi, forcing another + * iteration of NMI handling. */ - movq $repeat_nmi, %rdx - cmpq 8(%rsp), %rdx - ja 1f - movq $end_repeat_nmi, %rdx - cmpq 8(%rsp), %rdx - ja nested_nmi_out - -1: - /* Set up the interrupted NMIs stack to jump to repeat_nmi */ - leaq -1*8(%rsp), %rdx - movq %rdx, %rsp + subq $8, %rsp leaq -10*8(%rsp), %rdx pushq $__KERNEL_DS pushq %rdx @@ -1318,61 +1434,42 @@ nested_nmi: nested_nmi_out: popq %rdx - /* No need to check faults here */ + /* We are returning to kernel mode, so this cannot result in a fault. */ INTERRUPT_RETURN first_nmi: - /* - * Because nested NMIs will use the pushed location that we - * stored in rdx, we must keep that space available. - * Here's what our stack frame will look like: - * +-------------------------+ - * | original SS | - * | original Return RSP | - * | original RFLAGS | - * | original CS | - * | original RIP | - * +-------------------------+ - * | temp storage for rdx | - * +-------------------------+ - * | NMI executing variable | - * +-------------------------+ - * | copied SS | - * | copied Return RSP | - * | copied RFLAGS | - * | copied CS | - * | copied RIP | - * +-------------------------+ - * | Saved SS | - * | Saved Return RSP | - * | Saved RFLAGS | - * | Saved CS | - * | Saved RIP | - * +-------------------------+ - * | pt_regs | - * +-------------------------+ - * - * The saved stack frame is used to fix up the copied stack frame - * that a nested NMI may change to make the interrupted NMI iret jump - * to the repeat_nmi. The original stack frame and the temp storage - * is also used by nested NMIs and can not be trusted on exit. - */ - /* Do not pop rdx, nested NMIs will corrupt that part of the stack */ + /* Restore rdx. */ movq (%rsp), %rdx - /* Set the NMI executing variable on the stack. */ - pushq $1 + /* Make room for "NMI executing". */ + pushq $0 - /* Leave room for the "copied" frame */ + /* Leave room for the "iret" frame */ subq $(5*8), %rsp - /* Copy the stack frame to the Saved frame */ + /* Copy the "original" frame to the "outermost" frame */ .rept 5 pushq 11*8(%rsp) .endr /* Everything up to here is safe from nested NMIs */ +#ifdef CONFIG_DEBUG_ENTRY + /* + * For ease of testing, unmask NMIs right away. Disabled by + * default because IRET is very expensive. + */ + pushq $0 /* SS */ + pushq %rsp /* RSP (minus 8 because of the previous push) */ + addq $8, (%rsp) /* Fix up RSP */ + pushfq /* RFLAGS */ + pushq $__KERNEL_CS /* CS */ + pushq $1f /* RIP */ + INTERRUPT_RETURN /* continues at repeat_nmi below */ +1: +#endif + +repeat_nmi: /* * If there was a nested NMI, the first NMI's iret will return * here. But NMIs are still enabled and we can take another @@ -1381,16 +1478,20 @@ first_nmi: * it will just return, as we are about to repeat an NMI anyway. * This makes it safe to copy to the stack frame that a nested * NMI will update. + * + * RSP is pointing to "outermost RIP". gsbase is unknown, but, if + * we're repeating an NMI, gsbase has the same value that it had on + * the first iteration. paranoid_entry will load the kernel + * gsbase if needed before we call do_nmi. "NMI executing" + * is zero. */ -repeat_nmi: + movq $1, 10*8(%rsp) /* Set "NMI executing". */ + /* - * Update the stack variable to say we are still in NMI (the update - * is benign for the non-repeat case, where 1 was pushed just above - * to this very stack slot). + * Copy the "outermost" frame to the "iret" frame. NMIs that nest + * here must not modify the "iret" frame while we're writing to + * it or it will end up containing garbage. */ - movq $1, 10*8(%rsp) - - /* Make another copy, this one may be modified by nested NMIs */ addq $(10*8), %rsp .rept 5 pushq -6*8(%rsp) @@ -1399,9 +1500,9 @@ repeat_nmi: end_repeat_nmi: /* - * Everything below this point can be preempted by a nested - * NMI if the first NMI took an exception and reset our iret stack - * so that we repeat another NMI. + * Everything below this point can be preempted by a nested NMI. + * If this happens, then the inner NMI will change the "iret" + * frame to point back to repeat_nmi. */ pushq $-1 /* ORIG_RAX: no syscall to restart */ ALLOC_PT_GPREGS_ON_STACK @@ -1415,28 +1516,11 @@ end_repeat_nmi: */ call paranoid_entry - /* - * Save off the CR2 register. If we take a page fault in the NMI then - * it could corrupt the CR2 value. If the NMI preempts a page fault - * handler before it was able to read the CR2 register, and then the - * NMI itself takes a page fault, the page fault that was preempted - * will read the information from the NMI page fault and not the - * origin fault. Save it off and restore it if it changes. - * Use the r12 callee-saved register. - */ - movq %cr2, %r12 - /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */ movq %rsp, %rdi movq $-1, %rsi call do_nmi - /* Did the NMI take a page fault? Restore cr2 if it did */ - movq %cr2, %rcx - cmpq %rcx, %r12 - je 1f - movq %r12, %cr2 -1: testl %ebx, %ebx /* swapgs needed? */ jnz nmi_restore nmi_swapgs: @@ -1444,11 +1528,26 @@ nmi_swapgs: nmi_restore: RESTORE_EXTRA_REGS RESTORE_C_REGS - /* Pop the extra iret frame at once */ + + /* Point RSP at the "iret" frame. */ REMOVE_PT_GPREGS_FROM_STACK 6*8 - /* Clear the NMI executing stack variable */ - movq $0, 5*8(%rsp) + /* + * Clear "NMI executing". Set DF first so that we can easily + * distinguish the remaining code between here and IRET from + * the SYSCALL entry and exit paths. On a native kernel, we + * could just inspect RIP, but, on paravirt kernels, + * INTERRUPT_RETURN can translate into a jump into a + * hypercall page. + */ + std + movq $0, 5*8(%rsp) /* clear "NMI executing" */ + + /* + * INTERRUPT_RETURN reads the "iret" frame and exits the NMI + * stack in a single instruction. We are returning to kernel + * mode, so this cannot result in a fault. + */ INTERRUPT_RETURN END(nmi) diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S index bb187a6a877c..a7e257d9cb90 100644 --- a/arch/x86/entry/entry_64_compat.S +++ b/arch/x86/entry/entry_64_compat.S @@ -140,6 +140,7 @@ sysexit_from_sys_call: */ andl $~TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) movl RIP(%rsp), %ecx /* User %eip */ + movq RAX(%rsp), %rax RESTORE_RSI_RDI xorl %edx, %edx /* Do not leak kernel information */ xorq %r8, %r8 @@ -205,7 +206,6 @@ sysexit_from_sys_call: movl RDX(%rsp), %edx /* arg3 */ movl RSI(%rsp), %ecx /* arg4 */ movl RDI(%rsp), %r8d /* arg5 */ - movl %ebp, %r9d /* arg6 */ .endm .macro auditsys_exit exit @@ -220,7 +220,6 @@ sysexit_from_sys_call: 1: setbe %al /* 1 if error, 0 if not */ movzbl %al, %edi /* zero-extend that into %edi */ call __audit_syscall_exit - movq RAX(%rsp), %rax /* reload syscall return value */ movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT), %edi DISABLE_INTERRUPTS(CLBR_NONE) TRACE_IRQS_OFF @@ -236,6 +235,7 @@ sysexit_from_sys_call: sysenter_auditsys: auditsys_entry_common + movl %ebp, %r9d /* reload 6th syscall arg */ jmp sysenter_dispatch sysexit_audit: @@ -336,7 +336,7 @@ ENTRY(entry_SYSCALL_compat) * 32-bit zero extended: */ ASM_STAC -1: movl (%r8), %ebp +1: movl (%r8), %r9d _ASM_EXTABLE(1b, ia32_badarg) ASM_CLAC orl $TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) @@ -346,7 +346,7 @@ ENTRY(entry_SYSCALL_compat) cstar_do_call: /* 32-bit syscall -> 64-bit C ABI argument conversion */ movl %edi, %r8d /* arg5 */ - movl %ebp, %r9d /* arg6 */ + /* r9 already loaded */ /* arg6 */ xchg %ecx, %esi /* rsi:arg2, rcx:arg4 */ movl %ebx, %edi /* arg1 */ movl %edx, %edx /* arg3 (zero extension) */ @@ -358,7 +358,6 @@ cstar_dispatch: call *ia32_sys_call_table(, %rax, 8) movq %rax, RAX(%rsp) 1: - movl RCX(%rsp), %ebp DISABLE_INTERRUPTS(CLBR_NONE) TRACE_IRQS_OFF testl $_TIF_ALLWORK_MASK, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) @@ -369,6 +368,7 @@ sysretl_from_sys_call: RESTORE_RSI_RDI_RDX movl RIP(%rsp), %ecx movl EFLAGS(%rsp), %r11d + movq RAX(%rsp), %rax xorq %r10, %r10 xorq %r9, %r9 xorq %r8, %r8 @@ -392,7 +392,9 @@ sysretl_from_sys_call: #ifdef CONFIG_AUDITSYSCALL cstar_auditsys: + movl %r9d, R9(%rsp) /* register to be clobbered by call */ auditsys_entry_common + movl R9(%rsp), %r9d /* reload 6th syscall arg */ jmp cstar_dispatch sysretl_audit: @@ -404,14 +406,16 @@ cstar_tracesys: testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT), ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) jz cstar_auditsys #endif + xchgl %r9d, %ebp SAVE_EXTRA_REGS xorl %eax, %eax /* Do not leak kernel information */ movq %rax, R11(%rsp) movq %rax, R10(%rsp) - movq %rax, R9(%rsp) + movq %r9, R9(%rsp) movq %rax, R8(%rsp) movq %rsp, %rdi /* &pt_regs -> arg1 */ call syscall_trace_enter + movl R9(%rsp), %r9d /* Reload arg registers from stack. (see sysenter_tracesys) */ movl RCX(%rsp), %ecx @@ -421,6 +425,7 @@ cstar_tracesys: movl %eax, %eax /* zero extension */ RESTORE_EXTRA_REGS + xchgl %ebp, %r9d jmp cstar_do_call END(entry_SYSCALL_compat) diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild index 4dd1f2d770af..aeac434c9feb 100644 --- a/arch/x86/include/asm/Kbuild +++ b/arch/x86/include/asm/Kbuild @@ -9,3 +9,4 @@ generic-y += cputime.h generic-y += dma-contiguous.h generic-y += early_ioremap.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index a0bf89fd2647..4e10d73cf018 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -280,21 +280,6 @@ static inline void clear_LDT(void) set_ldt(NULL, 0); } -/* - * load one particular LDT into the current CPU - */ -static inline void load_LDT_nolock(mm_context_t *pc) -{ - set_ldt(pc->ldt, pc->size); -} - -static inline void load_LDT(mm_context_t *pc) -{ - preempt_disable(); - load_LDT_nolock(pc); - preempt_enable(); -} - static inline unsigned long get_desc_base(const struct desc_struct *desc) { return (unsigned)(desc->base0 | ((desc->base1) << 16) | ((desc->base2) << 24)); diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h index 0637826292de..c49c5173158e 100644 --- a/arch/x86/include/asm/fpu/types.h +++ b/arch/x86/include/asm/fpu/types.h @@ -189,6 +189,7 @@ union fpregs_state { struct fxregs_state fxsave; struct swregs_state soft; struct xregs_state xsave; + u8 __padding[PAGE_SIZE]; }; /* @@ -198,40 +199,6 @@ union fpregs_state { */ struct fpu { /* - * @state: - * - * In-memory copy of all FPU registers that we save/restore - * over context switches. If the task is using the FPU then - * the registers in the FPU are more recent than this state - * copy. If the task context-switches away then they get - * saved here and represent the FPU state. - * - * After context switches there may be a (short) time period - * during which the in-FPU hardware registers are unchanged - * and still perfectly match this state, if the tasks - * scheduled afterwards are not using the FPU. - * - * This is the 'lazy restore' window of optimization, which - * we track though 'fpu_fpregs_owner_ctx' and 'fpu->last_cpu'. - * - * We detect whether a subsequent task uses the FPU via setting - * CR0::TS to 1, which causes any FPU use to raise a #NM fault. - * - * During this window, if the task gets scheduled again, we - * might be able to skip having to do a restore from this - * memory buffer to the hardware registers - at the cost of - * incurring the overhead of #NM fault traps. - * - * Note that on modern CPUs that support the XSAVEOPT (or other - * optimized XSAVE instructions), we don't use #NM traps anymore, - * as the hardware can track whether FPU registers need saving - * or not. On such CPUs we activate the non-lazy ('eagerfpu') - * logic, which unconditionally saves/restores all FPU state - * across context switches. (if FPU state exists.) - */ - union fpregs_state state; - - /* * @last_cpu: * * Records the last CPU on which this context was loaded into @@ -288,6 +255,43 @@ struct fpu { * deal with bursty apps that only use the FPU for a short time: */ unsigned char counter; + /* + * @state: + * + * In-memory copy of all FPU registers that we save/restore + * over context switches. If the task is using the FPU then + * the registers in the FPU are more recent than this state + * copy. If the task context-switches away then they get + * saved here and represent the FPU state. + * + * After context switches there may be a (short) time period + * during which the in-FPU hardware registers are unchanged + * and still perfectly match this state, if the tasks + * scheduled afterwards are not using the FPU. + * + * This is the 'lazy restore' window of optimization, which + * we track though 'fpu_fpregs_owner_ctx' and 'fpu->last_cpu'. + * + * We detect whether a subsequent task uses the FPU via setting + * CR0::TS to 1, which causes any FPU use to raise a #NM fault. + * + * During this window, if the task gets scheduled again, we + * might be able to skip having to do a restore from this + * memory buffer to the hardware registers - at the cost of + * incurring the overhead of #NM fault traps. + * + * Note that on modern CPUs that support the XSAVEOPT (or other + * optimized XSAVE instructions), we don't use #NM traps anymore, + * as the hardware can track whether FPU registers need saving + * or not. On such CPUs we activate the non-lazy ('eagerfpu') + * logic, which unconditionally saves/restores all FPU state + * across context switches. (if FPU state exists.) + */ + union fpregs_state state; + /* + * WARNING: 'state' is dynamically-sized. Do not put + * anything after it here. + */ }; #endif /* _ASM_X86_FPU_H */ diff --git a/arch/x86/include/asm/mm-arch-hooks.h b/arch/x86/include/asm/mm-arch-hooks.h deleted file mode 100644 index 4e881a342236..000000000000 --- a/arch/x86/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_X86_MM_ARCH_HOOKS_H -#define _ASM_X86_MM_ARCH_HOOKS_H - -#endif /* _ASM_X86_MM_ARCH_HOOKS_H */ diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h index 09b9620a73b4..364d27481a52 100644 --- a/arch/x86/include/asm/mmu.h +++ b/arch/x86/include/asm/mmu.h @@ -9,8 +9,7 @@ * we put the segment information here. */ typedef struct { - void *ldt; - int size; + struct ldt_struct *ldt; #ifdef CONFIG_X86_64 /* True if mm supports a task running in 32 bit compatibility mode. */ diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h index 5e8daee7c5c9..984abfe47edc 100644 --- a/arch/x86/include/asm/mmu_context.h +++ b/arch/x86/include/asm/mmu_context.h @@ -23,7 +23,7 @@ extern struct static_key rdpmc_always_available; static inline void load_mm_cr4(struct mm_struct *mm) { - if (static_key_true(&rdpmc_always_available) || + if (static_key_false(&rdpmc_always_available) || atomic_read(&mm->context.perf_rdpmc_allowed)) cr4_set_bits(X86_CR4_PCE); else @@ -34,6 +34,50 @@ static inline void load_mm_cr4(struct mm_struct *mm) {} #endif /* + * ldt_structs can be allocated, used, and freed, but they are never + * modified while live. + */ +struct ldt_struct { + /* + * Xen requires page-aligned LDTs with special permissions. This is + * needed to prevent us from installing evil descriptors such as + * call gates. On native, we could merge the ldt_struct and LDT + * allocations, but it's not worth trying to optimize. + */ + struct desc_struct *entries; + int size; +}; + +static inline void load_mm_ldt(struct mm_struct *mm) +{ + struct ldt_struct *ldt; + + /* lockless_dereference synchronizes with smp_store_release */ + ldt = lockless_dereference(mm->context.ldt); + + /* + * Any change to mm->context.ldt is followed by an IPI to all + * CPUs with the mm active. The LDT will not be freed until + * after the IPI is handled by all such CPUs. This means that, + * if the ldt_struct changes before we return, the values we see + * will be safe, and the new values will be loaded before we run + * any user code. + * + * NB: don't try to convert this to use RCU without extreme care. + * We would still need IRQs off, because we don't want to change + * the local LDT after an IPI loaded a newer value than the one + * that we can see. + */ + + if (unlikely(ldt)) + set_ldt(ldt->entries, ldt->size); + else + clear_LDT(); + + DEBUG_LOCKS_WARN_ON(preemptible()); +} + +/* * Used for LDT copy/destruction. */ int init_new_context(struct task_struct *tsk, struct mm_struct *mm); @@ -78,12 +122,12 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, * was called and then modify_ldt changed * prev->context.ldt but suppressed an IPI to this CPU. * In this case, prev->context.ldt != NULL, because we - * never free an LDT while the mm still exists. That - * means that next->context.ldt != prev->context.ldt, - * because mms never share an LDT. + * never set context.ldt to NULL while the mm still + * exists. That means that next->context.ldt != + * prev->context.ldt, because mms never share an LDT. */ if (unlikely(prev->context.ldt != next->context.ldt)) - load_LDT_nolock(&next->context); + load_mm_ldt(next); } #ifdef CONFIG_SMP else { @@ -106,7 +150,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, load_cr3(next->pgd); trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL); load_mm_cr4(next); - load_LDT_nolock(&next->context); + load_mm_ldt(next); } } #endif diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 43e6519df0d5..944f1785ed0d 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -390,9 +390,6 @@ struct thread_struct { #endif unsigned long gs; - /* Floating point and extended processor state */ - struct fpu fpu; - /* Save middle states of ptrace breakpoints */ struct perf_event *ptrace_bps[HBP_NUM]; /* Debug status used for traps, single steps, etc... */ @@ -418,6 +415,13 @@ struct thread_struct { unsigned long iopl; /* Max allowed port in the bitmap, in bytes: */ unsigned io_bitmap_max; + + /* Floating point and extended processor state */ + struct fpu fpu; + /* + * WARNING: 'fpu' is dynamically-sized. It *MUST* be at + * the end. + */ }; /* diff --git a/arch/x86/include/asm/sigcontext.h b/arch/x86/include/asm/sigcontext.h index 6fe6b182c998..9dfce4e0417d 100644 --- a/arch/x86/include/asm/sigcontext.h +++ b/arch/x86/include/asm/sigcontext.h @@ -57,9 +57,9 @@ struct sigcontext { unsigned long ip; unsigned long flags; unsigned short cs; - unsigned short __pad2; /* Was called gs, but was always zero. */ - unsigned short __pad1; /* Was called fs, but was always zero. */ - unsigned short ss; + unsigned short gs; + unsigned short fs; + unsigned short __pad0; unsigned long err; unsigned long trapno; unsigned long oldmask; diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h index 751bf4b7bf11..d7f3b3b78ac3 100644 --- a/arch/x86/include/asm/switch_to.h +++ b/arch/x86/include/asm/switch_to.h @@ -79,12 +79,12 @@ do { \ #else /* CONFIG_X86_32 */ /* frame pointer must be last for get_wchan */ -#define SAVE_CONTEXT "pushq %%rbp ; movq %%rsi,%%rbp\n\t" -#define RESTORE_CONTEXT "movq %%rbp,%%rsi ; popq %%rbp\t" +#define SAVE_CONTEXT "pushf ; pushq %%rbp ; movq %%rsi,%%rbp\n\t" +#define RESTORE_CONTEXT "movq %%rbp,%%rsi ; popq %%rbp ; popf\t" #define __EXTRA_CLOBBER \ , "rcx", "rbx", "rdx", "r8", "r9", "r10", "r11", \ - "r12", "r13", "r14", "r15", "flags" + "r12", "r13", "r14", "r15" #ifdef CONFIG_CC_STACKPROTECTOR #define __switch_canary \ @@ -100,11 +100,7 @@ do { \ #define __switch_canary_iparam #endif /* CC_STACKPROTECTOR */ -/* - * There is no need to save or restore flags, because flags are always - * clean in kernel mode, with the possible exception of IOPL. Kernel IOPL - * has no effect. - */ +/* Save restore flags to clear handle leaking NT */ #define switch_to(prev, next, last) \ asm volatile(SAVE_CONTEXT \ "movq %%rsp,%P[threadrsp](%[prev])\n\t" /* save RSP */ \ diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h index a4ae82eb82aa..cd54147cb365 100644 --- a/arch/x86/include/uapi/asm/kvm.h +++ b/arch/x86/include/uapi/asm/kvm.h @@ -354,7 +354,7 @@ struct kvm_xcrs { struct kvm_sync_regs { }; -#define KVM_QUIRK_LINT0_REENABLED (1 << 0) -#define KVM_QUIRK_CD_NW_CLEARED (1 << 1) +#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) +#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1) #endif /* _ASM_X86_KVM_H */ diff --git a/arch/x86/include/uapi/asm/sigcontext.h b/arch/x86/include/uapi/asm/sigcontext.h index 0e8a973de9ee..40836a9a7250 100644 --- a/arch/x86/include/uapi/asm/sigcontext.h +++ b/arch/x86/include/uapi/asm/sigcontext.h @@ -177,24 +177,9 @@ struct sigcontext { __u64 rip; __u64 eflags; /* RFLAGS */ __u16 cs; - - /* - * Prior to 2.5.64 ("[PATCH] x86-64 updates for 2.5.64-bk3"), - * Linux saved and restored fs and gs in these slots. This - * was counterproductive, as fsbase and gsbase were never - * saved, so arch_prctl was presumably unreliable. - * - * If these slots are ever needed for any other purpose, there - * is some risk that very old 64-bit binaries could get - * confused. I doubt that many such binaries still work, - * though, since the same patch in 2.5.64 also removed the - * 64-bit set_thread_area syscall, so it appears that there is - * no TLS API that works in both pre- and post-2.5.64 kernels. - */ - __u16 __pad2; /* Was gs. */ - __u16 __pad1; /* Was fs. */ - - __u16 ss; + __u16 gs; + __u16 fs; + __u16 __pad0; __u64 err; __u64 trapno; __u64 oldmask; diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index e49ee24da85e..9393896717d0 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -445,6 +445,7 @@ static void __init acpi_sci_ioapic_setup(u8 bus_irq, u16 polarity, u16 trigger, polarity = acpi_sci_flags & ACPI_MADT_POLARITY_MASK; mp_override_legacy_irq(bus_irq, polarity, trigger, gsi); + acpi_penalize_sci_irq(bus_irq, trigger, polarity); /* * stash over-ride to indicate we've been here diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index dcb52850a28f..cde732c1b495 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1424,7 +1424,7 @@ static inline void __x2apic_disable(void) { u64 msr; - if (cpu_has_apic) + if (!cpu_has_apic) return; rdmsrl(MSR_IA32_APICBASE, msr); @@ -1483,10 +1483,13 @@ void x2apic_setup(void) static __init void x2apic_disable(void) { - u32 x2apic_id; + u32 x2apic_id, state = x2apic_state; - if (x2apic_state != X2APIC_ON) - goto out; + x2apic_mode = 0; + x2apic_state = X2APIC_DISABLED; + + if (state != X2APIC_ON) + return; x2apic_id = read_apic_id(); if (x2apic_id >= 255) @@ -1494,9 +1497,6 @@ static __init void x2apic_disable(void) __x2apic_disable(); register_lapic_address(mp_lapic_addr); -out: - x2apic_state = X2APIC_DISABLED; - x2apic_mode = 0; } static __init void x2apic_enable(void) diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 845dc0df2002..206052e55517 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -943,7 +943,7 @@ static bool mp_check_pin_attr(int irq, struct irq_alloc_info *info) */ if (irq < nr_legacy_irqs() && data->count == 1) { if (info->ioapic_trigger != data->trigger) - mp_register_handler(irq, data->trigger); + mp_register_handler(irq, info->ioapic_trigger); data->entry.trigger = data->trigger = info->ioapic_trigger; data->entry.polarity = data->polarity = info->ioapic_polarity; } diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index f813261d9740..2683f36e4e0a 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -322,7 +322,7 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq, irq_data->chip = &lapic_controller; irq_data->chip_data = data; irq_data->hwirq = virq + i; - err = assign_irq_vector_policy(virq, irq_data->node, data, + err = assign_irq_vector_policy(virq + i, irq_data->node, data, info); if (err) goto error; diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 922c5e0cea4c..cb9e5df42dd2 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1410,7 +1410,7 @@ void cpu_init(void) load_sp0(t, ¤t->thread); set_tss_desc(cpu, t); load_TR_desc(); - load_LDT(&init_mm.context); + load_mm_ldt(&init_mm); clear_all_debug_regs(); dbg_restore_debug_regs(); @@ -1459,7 +1459,7 @@ void cpu_init(void) load_sp0(t, thread); set_tss_desc(cpu, t); load_TR_desc(); - load_LDT(&init_mm.context); + load_mm_ldt(&init_mm); t->x86_tss.io_bitmap_base = offsetof(struct tss_struct, io_bitmap); diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 3658de47900f..9469dfa55607 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -2179,21 +2179,25 @@ static unsigned long get_segment_base(unsigned int segment) int idx = segment >> 3; if ((segment & SEGMENT_TI_MASK) == SEGMENT_LDT) { + struct ldt_struct *ldt; + if (idx > LDT_ENTRIES) return 0; - if (idx > current->active_mm->context.size) + /* IRQs are off, so this synchronizes with smp_store_release */ + ldt = lockless_dereference(current->active_mm->context.ldt); + if (!ldt || idx > ldt->size) return 0; - desc = current->active_mm->context.ldt; + desc = &ldt->entries[idx]; } else { if (idx > GDT_ENTRIES) return 0; - desc = raw_cpu_ptr(gdt_page.gdt); + desc = raw_cpu_ptr(gdt_page.gdt) + idx; } - return get_desc_base(desc + idx); + return get_desc_base(desc); } #ifdef CONFIG_COMPAT diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index b9826a981fb2..6326ae24e4d5 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -2534,7 +2534,7 @@ static int intel_pmu_cpu_prepare(int cpu) if (x86_pmu.extra_regs || x86_pmu.lbr_sel_map) { cpuc->shared_regs = allocate_shared_regs(cpu); if (!cpuc->shared_regs) - return NOTIFY_BAD; + goto err; } if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) { @@ -2542,18 +2542,27 @@ static int intel_pmu_cpu_prepare(int cpu) cpuc->constraint_list = kzalloc(sz, GFP_KERNEL); if (!cpuc->constraint_list) - return NOTIFY_BAD; + goto err_shared_regs; cpuc->excl_cntrs = allocate_excl_cntrs(cpu); - if (!cpuc->excl_cntrs) { - kfree(cpuc->constraint_list); - kfree(cpuc->shared_regs); - return NOTIFY_BAD; - } + if (!cpuc->excl_cntrs) + goto err_constraint_list; + cpuc->excl_thread_id = 0; } return NOTIFY_OK; + +err_constraint_list: + kfree(cpuc->constraint_list); + cpuc->constraint_list = NULL; + +err_shared_regs: + kfree(cpuc->shared_regs); + cpuc->shared_regs = NULL; + +err: + return NOTIFY_BAD; } static void intel_pmu_cpu_starting(int cpu) diff --git a/arch/x86/kernel/cpu/perf_event_intel_cqm.c b/arch/x86/kernel/cpu/perf_event_intel_cqm.c index 188076161c1b..377e8f8ed391 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_cqm.c +++ b/arch/x86/kernel/cpu/perf_event_intel_cqm.c @@ -952,6 +952,14 @@ static u64 intel_cqm_event_count(struct perf_event *event) return 0; /* + * Getting up-to-date values requires an SMP IPI which is not + * possible if we're being called in interrupt context. Return + * the cached values instead. + */ + if (unlikely(in_interrupt())) + goto out; + + /* * Notice that we don't perform the reading of an RMID * atomically, because we can't hold a spin lock across the * IPIs. @@ -1247,7 +1255,7 @@ static inline void cqm_pick_event_reader(int cpu) cpumask_set_cpu(cpu, &cqm_cpumask); } -static void intel_cqm_cpu_prepare(unsigned int cpu) +static void intel_cqm_cpu_starting(unsigned int cpu) { struct intel_pqr_state *state = &per_cpu(pqr_state, cpu); struct cpuinfo_x86 *c = &cpu_data(cpu); @@ -1288,13 +1296,11 @@ static int intel_cqm_cpu_notifier(struct notifier_block *nb, unsigned int cpu = (unsigned long)hcpu; switch (action & ~CPU_TASKS_FROZEN) { - case CPU_UP_PREPARE: - intel_cqm_cpu_prepare(cpu); - break; case CPU_DOWN_PREPARE: intel_cqm_cpu_exit(cpu); break; case CPU_STARTING: + intel_cqm_cpu_starting(cpu); cqm_pick_event_reader(cpu); break; } @@ -1365,7 +1371,7 @@ static int __init intel_cqm_init(void) goto out; for_each_online_cpu(i) { - intel_cqm_cpu_prepare(i); + intel_cqm_cpu_starting(i); cqm_pick_event_reader(i); } diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index 79de954626fd..d25097c3fc1d 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -270,7 +270,7 @@ int fpu__copy(struct fpu *dst_fpu, struct fpu *src_fpu) dst_fpu->fpregs_active = 0; dst_fpu->last_cpu = -1; - if (src_fpu->fpstate_active) + if (src_fpu->fpstate_active && cpu_has_fpu) fpu_copy(dst_fpu, src_fpu); return 0; diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c index 32826791e675..d14e9ac3235a 100644 --- a/arch/x86/kernel/fpu/init.c +++ b/arch/x86/kernel/fpu/init.c @@ -4,6 +4,8 @@ #include <asm/fpu/internal.h> #include <asm/tlbflush.h> +#include <linux/sched.h> + /* * Initialize the TS bit in CR0 according to the style of context-switches * we are using: @@ -38,7 +40,12 @@ static void fpu__init_cpu_generic(void) write_cr0(cr0); /* Flush out any pending x87 state: */ - asm volatile ("fninit"); +#ifdef CONFIG_MATH_EMULATION + if (!cpu_has_fpu) + fpstate_init_soft(¤t->thread.fpu.state.soft); + else +#endif + asm volatile ("fninit"); } /* @@ -136,6 +143,43 @@ static void __init fpu__init_system_generic(void) unsigned int xstate_size; EXPORT_SYMBOL_GPL(xstate_size); +/* Enforce that 'MEMBER' is the last field of 'TYPE': */ +#define CHECK_MEMBER_AT_END_OF(TYPE, MEMBER) \ + BUILD_BUG_ON(sizeof(TYPE) != offsetofend(TYPE, MEMBER)) + +/* + * We append the 'struct fpu' to the task_struct: + */ +static void __init fpu__init_task_struct_size(void) +{ + int task_size = sizeof(struct task_struct); + + /* + * Subtract off the static size of the register state. + * It potentially has a bunch of padding. + */ + task_size -= sizeof(((struct task_struct *)0)->thread.fpu.state); + + /* + * Add back the dynamically-calculated register state + * size. + */ + task_size += xstate_size; + + /* + * We dynamically size 'struct fpu', so we require that + * it be at the end of 'thread_struct' and that + * 'thread_struct' be at the end of 'task_struct'. If + * you hit a compile error here, check the structure to + * see if something got added to the end. + */ + CHECK_MEMBER_AT_END_OF(struct fpu, state); + CHECK_MEMBER_AT_END_OF(struct thread_struct, fpu); + CHECK_MEMBER_AT_END_OF(struct task_struct, thread); + + arch_task_struct_size = task_size; +} + /* * Set up the xstate_size based on the legacy FPU context size. * @@ -287,6 +331,7 @@ void __init fpu__init_system(struct cpuinfo_x86 *c) fpu__init_system_generic(); fpu__init_system_xstate_size_legacy(); fpu__init_system_xstate(); + fpu__init_task_struct_size(); fpu__init_system_ctx_switch(); } @@ -311,9 +356,15 @@ static int __init x86_noxsave_setup(char *s) setup_clear_cpu_cap(X86_FEATURE_XSAVE); setup_clear_cpu_cap(X86_FEATURE_XSAVEOPT); + setup_clear_cpu_cap(X86_FEATURE_XSAVEC); setup_clear_cpu_cap(X86_FEATURE_XSAVES); setup_clear_cpu_cap(X86_FEATURE_AVX); setup_clear_cpu_cap(X86_FEATURE_AVX2); + setup_clear_cpu_cap(X86_FEATURE_AVX512F); + setup_clear_cpu_cap(X86_FEATURE_AVX512PF); + setup_clear_cpu_cap(X86_FEATURE_AVX512ER); + setup_clear_cpu_cap(X86_FEATURE_AVX512CD); + setup_clear_cpu_cap(X86_FEATURE_MPX); return 1; } diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c index c37886d759cc..2bcc0525f1c1 100644 --- a/arch/x86/kernel/ldt.c +++ b/arch/x86/kernel/ldt.c @@ -12,6 +12,7 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/smp.h> +#include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/uaccess.h> @@ -20,82 +21,82 @@ #include <asm/mmu_context.h> #include <asm/syscalls.h> -#ifdef CONFIG_SMP +/* context.lock is held for us, so we don't need any locking. */ static void flush_ldt(void *current_mm) { - if (current->active_mm == current_mm) - load_LDT(¤t->active_mm->context); + mm_context_t *pc; + + if (current->active_mm != current_mm) + return; + + pc = ¤t->active_mm->context; + set_ldt(pc->ldt->entries, pc->ldt->size); } -#endif -static int alloc_ldt(mm_context_t *pc, int mincount, int reload) +/* The caller must call finalize_ldt_struct on the result. LDT starts zeroed. */ +static struct ldt_struct *alloc_ldt_struct(int size) { - void *oldldt, *newldt; - int oldsize; - - if (mincount <= pc->size) - return 0; - oldsize = pc->size; - mincount = (mincount + (PAGE_SIZE / LDT_ENTRY_SIZE - 1)) & - (~(PAGE_SIZE / LDT_ENTRY_SIZE - 1)); - if (mincount * LDT_ENTRY_SIZE > PAGE_SIZE) - newldt = vmalloc(mincount * LDT_ENTRY_SIZE); + struct ldt_struct *new_ldt; + int alloc_size; + + if (size > LDT_ENTRIES) + return NULL; + + new_ldt = kmalloc(sizeof(struct ldt_struct), GFP_KERNEL); + if (!new_ldt) + return NULL; + + BUILD_BUG_ON(LDT_ENTRY_SIZE != sizeof(struct desc_struct)); + alloc_size = size * LDT_ENTRY_SIZE; + + /* + * Xen is very picky: it requires a page-aligned LDT that has no + * trailing nonzero bytes in any page that contains LDT descriptors. + * Keep it simple: zero the whole allocation and never allocate less + * than PAGE_SIZE. + */ + if (alloc_size > PAGE_SIZE) + new_ldt->entries = vzalloc(alloc_size); else - newldt = (void *)__get_free_page(GFP_KERNEL); - - if (!newldt) - return -ENOMEM; + new_ldt->entries = kzalloc(PAGE_SIZE, GFP_KERNEL); - if (oldsize) - memcpy(newldt, pc->ldt, oldsize * LDT_ENTRY_SIZE); - oldldt = pc->ldt; - memset(newldt + oldsize * LDT_ENTRY_SIZE, 0, - (mincount - oldsize) * LDT_ENTRY_SIZE); + if (!new_ldt->entries) { + kfree(new_ldt); + return NULL; + } - paravirt_alloc_ldt(newldt, mincount); + new_ldt->size = size; + return new_ldt; +} -#ifdef CONFIG_X86_64 - /* CHECKME: Do we really need this ? */ - wmb(); -#endif - pc->ldt = newldt; - wmb(); - pc->size = mincount; - wmb(); - - if (reload) { -#ifdef CONFIG_SMP - preempt_disable(); - load_LDT(pc); - if (!cpumask_equal(mm_cpumask(current->mm), - cpumask_of(smp_processor_id()))) - smp_call_function(flush_ldt, current->mm, 1); - preempt_enable(); -#else - load_LDT(pc); -#endif - } - if (oldsize) { - paravirt_free_ldt(oldldt, oldsize); - if (oldsize * LDT_ENTRY_SIZE > PAGE_SIZE) - vfree(oldldt); - else - put_page(virt_to_page(oldldt)); - } - return 0; +/* After calling this, the LDT is immutable. */ +static void finalize_ldt_struct(struct ldt_struct *ldt) +{ + paravirt_alloc_ldt(ldt->entries, ldt->size); } -static inline int copy_ldt(mm_context_t *new, mm_context_t *old) +/* context.lock is held */ +static void install_ldt(struct mm_struct *current_mm, + struct ldt_struct *ldt) { - int err = alloc_ldt(new, old->size, 0); - int i; + /* Synchronizes with lockless_dereference in load_mm_ldt. */ + smp_store_release(¤t_mm->context.ldt, ldt); + + /* Activate the LDT for all CPUs using current_mm. */ + on_each_cpu_mask(mm_cpumask(current_mm), flush_ldt, current_mm, true); +} - if (err < 0) - return err; +static void free_ldt_struct(struct ldt_struct *ldt) +{ + if (likely(!ldt)) + return; - for (i = 0; i < old->size; i++) - write_ldt_entry(new->ldt, i, old->ldt + i * LDT_ENTRY_SIZE); - return 0; + paravirt_free_ldt(ldt->entries, ldt->size); + if (ldt->size * LDT_ENTRY_SIZE > PAGE_SIZE) + vfree(ldt->entries); + else + kfree(ldt->entries); + kfree(ldt); } /* @@ -104,17 +105,37 @@ static inline int copy_ldt(mm_context_t *new, mm_context_t *old) */ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { + struct ldt_struct *new_ldt; struct mm_struct *old_mm; int retval = 0; mutex_init(&mm->context.lock); - mm->context.size = 0; old_mm = current->mm; - if (old_mm && old_mm->context.size > 0) { - mutex_lock(&old_mm->context.lock); - retval = copy_ldt(&mm->context, &old_mm->context); - mutex_unlock(&old_mm->context.lock); + if (!old_mm) { + mm->context.ldt = NULL; + return 0; } + + mutex_lock(&old_mm->context.lock); + if (!old_mm->context.ldt) { + mm->context.ldt = NULL; + goto out_unlock; + } + + new_ldt = alloc_ldt_struct(old_mm->context.ldt->size); + if (!new_ldt) { + retval = -ENOMEM; + goto out_unlock; + } + + memcpy(new_ldt->entries, old_mm->context.ldt->entries, + new_ldt->size * LDT_ENTRY_SIZE); + finalize_ldt_struct(new_ldt); + + mm->context.ldt = new_ldt; + +out_unlock: + mutex_unlock(&old_mm->context.lock); return retval; } @@ -125,53 +146,47 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) */ void destroy_context(struct mm_struct *mm) { - if (mm->context.size) { -#ifdef CONFIG_X86_32 - /* CHECKME: Can this ever happen ? */ - if (mm == current->active_mm) - clear_LDT(); -#endif - paravirt_free_ldt(mm->context.ldt, mm->context.size); - if (mm->context.size * LDT_ENTRY_SIZE > PAGE_SIZE) - vfree(mm->context.ldt); - else - put_page(virt_to_page(mm->context.ldt)); - mm->context.size = 0; - } + free_ldt_struct(mm->context.ldt); + mm->context.ldt = NULL; } static int read_ldt(void __user *ptr, unsigned long bytecount) { - int err; + int retval; unsigned long size; struct mm_struct *mm = current->mm; - if (!mm->context.size) - return 0; + mutex_lock(&mm->context.lock); + + if (!mm->context.ldt) { + retval = 0; + goto out_unlock; + } + if (bytecount > LDT_ENTRY_SIZE * LDT_ENTRIES) bytecount = LDT_ENTRY_SIZE * LDT_ENTRIES; - mutex_lock(&mm->context.lock); - size = mm->context.size * LDT_ENTRY_SIZE; + size = mm->context.ldt->size * LDT_ENTRY_SIZE; if (size > bytecount) size = bytecount; - err = 0; - if (copy_to_user(ptr, mm->context.ldt, size)) - err = -EFAULT; - mutex_unlock(&mm->context.lock); - if (err < 0) - goto error_return; + if (copy_to_user(ptr, mm->context.ldt->entries, size)) { + retval = -EFAULT; + goto out_unlock; + } + if (size != bytecount) { - /* zero-fill the rest */ - if (clear_user(ptr + size, bytecount - size) != 0) { - err = -EFAULT; - goto error_return; + /* Zero-fill the rest and pretend we read bytecount bytes. */ + if (clear_user(ptr + size, bytecount - size)) { + retval = -EFAULT; + goto out_unlock; } } - return bytecount; -error_return: - return err; + retval = bytecount; + +out_unlock: + mutex_unlock(&mm->context.lock); + return retval; } static int read_default_ldt(void __user *ptr, unsigned long bytecount) @@ -195,6 +210,8 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode) struct desc_struct ldt; int error; struct user_desc ldt_info; + int oldsize, newsize; + struct ldt_struct *new_ldt, *old_ldt; error = -EINVAL; if (bytecount != sizeof(ldt_info)) @@ -213,34 +230,39 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode) goto out; } - mutex_lock(&mm->context.lock); - if (ldt_info.entry_number >= mm->context.size) { - error = alloc_ldt(¤t->mm->context, - ldt_info.entry_number + 1, 1); - if (error < 0) - goto out_unlock; - } - - /* Allow LDTs to be cleared by the user. */ - if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { - if (oldmode || LDT_empty(&ldt_info)) { - memset(&ldt, 0, sizeof(ldt)); - goto install; + if ((oldmode && !ldt_info.base_addr && !ldt_info.limit) || + LDT_empty(&ldt_info)) { + /* The user wants to clear the entry. */ + memset(&ldt, 0, sizeof(ldt)); + } else { + if (!IS_ENABLED(CONFIG_X86_16BIT) && !ldt_info.seg_32bit) { + error = -EINVAL; + goto out; } + + fill_ldt(&ldt, &ldt_info); + if (oldmode) + ldt.avl = 0; } - if (!IS_ENABLED(CONFIG_X86_16BIT) && !ldt_info.seg_32bit) { - error = -EINVAL; + mutex_lock(&mm->context.lock); + + old_ldt = mm->context.ldt; + oldsize = old_ldt ? old_ldt->size : 0; + newsize = max((int)(ldt_info.entry_number + 1), oldsize); + + error = -ENOMEM; + new_ldt = alloc_ldt_struct(newsize); + if (!new_ldt) goto out_unlock; - } - fill_ldt(&ldt, &ldt_info); - if (oldmode) - ldt.avl = 0; + if (old_ldt) + memcpy(new_ldt->entries, old_ldt->entries, oldsize * LDT_ENTRY_SIZE); + new_ldt->entries[ldt_info.entry_number] = ldt; + finalize_ldt_struct(new_ldt); - /* Install the new entry ... */ -install: - write_ldt_entry(mm->context.ldt, ldt_info.entry_number, &ldt); + install_ldt(mm, new_ldt); + free_ldt_struct(old_ldt); error = 0; out_unlock: diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index c3e985d1751c..d05bd2e2ee91 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -408,15 +408,15 @@ static void default_do_nmi(struct pt_regs *regs) NOKPROBE_SYMBOL(default_do_nmi); /* - * NMIs can hit breakpoints which will cause it to lose its - * NMI context with the CPU when the breakpoint does an iret. - */ -#ifdef CONFIG_X86_32 -/* - * For i386, NMIs use the same stack as the kernel, and we can - * add a workaround to the iret problem in C (preventing nested - * NMIs if an NMI takes a trap). Simply have 3 states the NMI - * can be in: + * NMIs can page fault or hit breakpoints which will cause it to lose + * its NMI context with the CPU when the breakpoint or page fault does an IRET. + * + * As a result, NMIs can nest if NMIs get unmasked due an IRET during + * NMI processing. On x86_64, the asm glue protects us from nested NMIs + * if the outer NMI came from kernel mode, but we can still nest if the + * outer NMI came from user mode. + * + * To handle these nested NMIs, we have three states: * * 1) not running * 2) executing @@ -430,15 +430,14 @@ NOKPROBE_SYMBOL(default_do_nmi); * (Note, the latch is binary, thus multiple NMIs triggering, * when one is running, are ignored. Only one NMI is restarted.) * - * If an NMI hits a breakpoint that executes an iret, another - * NMI can preempt it. We do not want to allow this new NMI - * to run, but we want to execute it when the first one finishes. - * We set the state to "latched", and the exit of the first NMI will - * perform a dec_return, if the result is zero (NOT_RUNNING), then - * it will simply exit the NMI handler. If not, the dec_return - * would have set the state to NMI_EXECUTING (what we want it to - * be when we are running). In this case, we simply jump back - * to rerun the NMI handler again, and restart the 'latched' NMI. + * If an NMI executes an iret, another NMI can preempt it. We do not + * want to allow this new NMI to run, but we want to execute it when the + * first one finishes. We set the state to "latched", and the exit of + * the first NMI will perform a dec_return, if the result is zero + * (NOT_RUNNING), then it will simply exit the NMI handler. If not, the + * dec_return would have set the state to NMI_EXECUTING (what we want it + * to be when we are running). In this case, we simply jump back to + * rerun the NMI handler again, and restart the 'latched' NMI. * * No trap (breakpoint or page fault) should be hit before nmi_restart, * thus there is no race between the first check of state for NOT_RUNNING @@ -461,49 +460,36 @@ enum nmi_states { static DEFINE_PER_CPU(enum nmi_states, nmi_state); static DEFINE_PER_CPU(unsigned long, nmi_cr2); -#define nmi_nesting_preprocess(regs) \ - do { \ - if (this_cpu_read(nmi_state) != NMI_NOT_RUNNING) { \ - this_cpu_write(nmi_state, NMI_LATCHED); \ - return; \ - } \ - this_cpu_write(nmi_state, NMI_EXECUTING); \ - this_cpu_write(nmi_cr2, read_cr2()); \ - } while (0); \ - nmi_restart: - -#define nmi_nesting_postprocess() \ - do { \ - if (unlikely(this_cpu_read(nmi_cr2) != read_cr2())) \ - write_cr2(this_cpu_read(nmi_cr2)); \ - if (this_cpu_dec_return(nmi_state)) \ - goto nmi_restart; \ - } while (0) -#else /* x86_64 */ +#ifdef CONFIG_X86_64 /* - * In x86_64 things are a bit more difficult. This has the same problem - * where an NMI hitting a breakpoint that calls iret will remove the - * NMI context, allowing a nested NMI to enter. What makes this more - * difficult is that both NMIs and breakpoints have their own stack. - * When a new NMI or breakpoint is executed, the stack is set to a fixed - * point. If an NMI is nested, it will have its stack set at that same - * fixed address that the first NMI had, and will start corrupting the - * stack. This is handled in entry_64.S, but the same problem exists with - * the breakpoint stack. + * In x86_64, we need to handle breakpoint -> NMI -> breakpoint. Without + * some care, the inner breakpoint will clobber the outer breakpoint's + * stack. * - * If a breakpoint is being processed, and the debug stack is being used, - * if an NMI comes in and also hits a breakpoint, the stack pointer - * will be set to the same fixed address as the breakpoint that was - * interrupted, causing that stack to be corrupted. To handle this case, - * check if the stack that was interrupted is the debug stack, and if - * so, change the IDT so that new breakpoints will use the current stack - * and not switch to the fixed address. On return of the NMI, switch back - * to the original IDT. + * If a breakpoint is being processed, and the debug stack is being + * used, if an NMI comes in and also hits a breakpoint, the stack + * pointer will be set to the same fixed address as the breakpoint that + * was interrupted, causing that stack to be corrupted. To handle this + * case, check if the stack that was interrupted is the debug stack, and + * if so, change the IDT so that new breakpoints will use the current + * stack and not switch to the fixed address. On return of the NMI, + * switch back to the original IDT. */ static DEFINE_PER_CPU(int, update_debug_stack); +#endif -static inline void nmi_nesting_preprocess(struct pt_regs *regs) +dotraplinkage notrace void +do_nmi(struct pt_regs *regs, long error_code) { + if (this_cpu_read(nmi_state) != NMI_NOT_RUNNING) { + this_cpu_write(nmi_state, NMI_LATCHED); + return; + } + this_cpu_write(nmi_state, NMI_EXECUTING); + this_cpu_write(nmi_cr2, read_cr2()); +nmi_restart: + +#ifdef CONFIG_X86_64 /* * If we interrupted a breakpoint, it is possible that * the nmi handler will have breakpoints too. We need to @@ -514,22 +500,8 @@ static inline void nmi_nesting_preprocess(struct pt_regs *regs) debug_stack_set_zero(); this_cpu_write(update_debug_stack, 1); } -} - -static inline void nmi_nesting_postprocess(void) -{ - if (unlikely(this_cpu_read(update_debug_stack))) { - debug_stack_reset(); - this_cpu_write(update_debug_stack, 0); - } -} #endif -dotraplinkage notrace void -do_nmi(struct pt_regs *regs, long error_code) -{ - nmi_nesting_preprocess(regs); - nmi_enter(); inc_irq_stat(__nmi_count); @@ -539,8 +511,17 @@ do_nmi(struct pt_regs *regs, long error_code) nmi_exit(); - /* On i386, may loop back to preprocess */ - nmi_nesting_postprocess(); +#ifdef CONFIG_X86_64 + if (unlikely(this_cpu_read(update_debug_stack))) { + debug_stack_reset(); + this_cpu_write(update_debug_stack, 0); + } +#endif + + if (unlikely(this_cpu_read(nmi_cr2) != read_cr2())) + write_cr2(this_cpu_read(nmi_cr2)); + if (this_cpu_dec_return(nmi_state)) + goto nmi_restart; } NOKPROBE_SYMBOL(do_nmi); diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 9cad694ed7c4..c27cad726765 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -81,7 +81,7 @@ EXPORT_SYMBOL_GPL(idle_notifier_unregister); */ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) { - *dst = *src; + memcpy(dst, src, arch_task_struct_size); return fpu__copy(&dst->thread.fpu, &src->thread.fpu); } @@ -408,6 +408,7 @@ static int prefer_mwait_c1_over_halt(const struct cpuinfo_x86 *c) static void mwait_idle(void) { if (!current_set_polling_and_test()) { + trace_cpu_idle_rcuidle(1, smp_processor_id()); if (this_cpu_has(X86_BUG_CLFLUSH_MONITOR)) { smp_mb(); /* quirk */ clflush((void *)¤t_thread_info()->flags); @@ -419,6 +420,7 @@ static void mwait_idle(void) __sti_mwait(0, 0); else local_irq_enable(); + trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id()); } else { local_irq_enable(); } diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 71d7849a07f7..f6b916387590 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -121,11 +121,11 @@ void __show_regs(struct pt_regs *regs, int all) void release_thread(struct task_struct *dead_task) { if (dead_task->mm) { - if (dead_task->mm->context.size) { + if (dead_task->mm->context.ldt) { pr_warn("WARNING: dead process %s still has LDT? <%p/%d>\n", dead_task->comm, dead_task->mm->context.ldt, - dead_task->mm->context.size); + dead_task->mm->context.ldt->size); BUG(); } } diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 206996c1669d..71820c42b6ce 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -93,8 +93,15 @@ int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) COPY(r15); #endif /* CONFIG_X86_64 */ +#ifdef CONFIG_X86_32 COPY_SEG_CPL3(cs); COPY_SEG_CPL3(ss); +#else /* !CONFIG_X86_32 */ + /* Kernel saves and restores only the CS segment register on signals, + * which is the bare minimum needed to allow mixed 32/64-bit code. + * App's signal handler can save/restore other segments if needed. */ + COPY_SEG_CPL3(cs); +#endif /* CONFIG_X86_32 */ get_user_ex(tmpflags, &sc->flags); regs->flags = (regs->flags & ~FIX_EFLAGS) | (tmpflags & FIX_EFLAGS); @@ -154,9 +161,8 @@ int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate, #else /* !CONFIG_X86_32 */ put_user_ex(regs->flags, &sc->flags); put_user_ex(regs->cs, &sc->cs); - put_user_ex(0, &sc->__pad2); - put_user_ex(0, &sc->__pad1); - put_user_ex(regs->ss, &sc->ss); + put_user_ex(0, &sc->gs); + put_user_ex(0, &sc->fs); #endif /* CONFIG_X86_32 */ put_user_ex(fpstate, &sc->fpstate); @@ -451,19 +457,9 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig, regs->sp = (unsigned long)frame; - /* - * Set up the CS and SS registers to run signal handlers in - * 64-bit mode, even if the handler happens to be interrupting - * 32-bit or 16-bit code. - * - * SS is subtle. In 64-bit mode, we don't need any particular - * SS descriptor, but we do need SS to be valid. It's possible - * that the old SS is entirely bogus -- this can happen if the - * signal we're trying to deliver is #GP or #SS caused by a bad - * SS value. - */ + /* Set up the CS register to run signal handlers in 64-bit mode, + even if the handler happens to be interrupting 32-bit code. */ regs->cs = __USER_CS; - regs->ss = __USER_DS; return 0; } diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index d3010aa79daf..b1f3ed9c7a9e 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -992,8 +992,17 @@ int native_cpu_up(unsigned int cpu, struct task_struct *tidle) common_cpu_up(cpu, tidle); + /* + * We have to walk the irq descriptors to setup the vector + * space for the cpu which comes online. Prevent irq + * alloc/free across the bringup. + */ + irq_lock_sparse(); + err = do_boot_cpu(apicid, cpu, tidle); + if (err) { + irq_unlock_sparse(); pr_err("do_boot_cpu failed(%d) to wakeup CPU#%u\n", err, cpu); return -EIO; } @@ -1011,6 +1020,8 @@ int native_cpu_up(unsigned int cpu, struct task_struct *tidle) touch_nmi_watchdog(); } + irq_unlock_sparse(); + return 0; } diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c index 9b4d51d0c0d0..0ccb53a9fcd9 100644 --- a/arch/x86/kernel/step.c +++ b/arch/x86/kernel/step.c @@ -5,6 +5,7 @@ #include <linux/mm.h> #include <linux/ptrace.h> #include <asm/desc.h> +#include <asm/mmu_context.h> unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs) { @@ -27,13 +28,14 @@ unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *re struct desc_struct *desc; unsigned long base; - seg &= ~7UL; + seg >>= 3; mutex_lock(&child->mm->context.lock); - if (unlikely((seg >> 3) >= child->mm->context.size)) + if (unlikely(!child->mm->context.ldt || + seg >= child->mm->context.ldt->size)) addr = -1L; /* bogus selector, access would fault */ else { - desc = child->mm->context.ldt + seg; + desc = &child->mm->context.ldt->entries[seg]; base = get_desc_base(desc); /* 16-bit code segment? */ diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 954e98a8c2e3..2a5ca97c263b 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1595,7 +1595,7 @@ void kvm_lapic_reset(struct kvm_vcpu *vcpu, bool init_event) for (i = 0; i < APIC_LVT_NUM; i++) apic_set_reg(apic, APIC_LVTT + 0x10 * i, APIC_LVT_MASKED); apic_update_lvtt(apic); - if (!(vcpu->kvm->arch.disabled_quirks & KVM_QUIRK_LINT0_REENABLED)) + if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_LINT0_REENABLED)) apic_set_reg(apic, APIC_LVT0, SET_APIC_DELIVERY_MODE(0, APIC_MODE_EXTINT)); apic_manage_nmi_watchdog(apic, kvm_apic_get_reg(apic, APIC_LVT0)); diff --git a/arch/x86/kvm/mtrr.c b/arch/x86/kvm/mtrr.c index de1d2d8062e2..9e8bf13572e6 100644 --- a/arch/x86/kvm/mtrr.c +++ b/arch/x86/kvm/mtrr.c @@ -120,6 +120,16 @@ static u8 mtrr_default_type(struct kvm_mtrr *mtrr_state) return mtrr_state->deftype & IA32_MTRR_DEF_TYPE_TYPE_MASK; } +static u8 mtrr_disabled_type(void) +{ + /* + * Intel SDM 11.11.2.2: all MTRRs are disabled when + * IA32_MTRR_DEF_TYPE.E bit is cleared, and the UC + * memory type is applied to all of physical memory. + */ + return MTRR_TYPE_UNCACHABLE; +} + /* * Three terms are used in the following code: * - segment, it indicates the address segments covered by fixed MTRRs. @@ -434,6 +444,8 @@ struct mtrr_iter { /* output fields. */ int mem_type; + /* mtrr is completely disabled? */ + bool mtrr_disabled; /* [start, end) is not fully covered in MTRRs? */ bool partial_map; @@ -549,7 +561,7 @@ static void mtrr_lookup_var_next(struct mtrr_iter *iter) static void mtrr_lookup_start(struct mtrr_iter *iter) { if (!mtrr_is_enabled(iter->mtrr_state)) { - iter->partial_map = true; + iter->mtrr_disabled = true; return; } @@ -563,6 +575,7 @@ static void mtrr_lookup_init(struct mtrr_iter *iter, iter->mtrr_state = mtrr_state; iter->start = start; iter->end = end; + iter->mtrr_disabled = false; iter->partial_map = false; iter->fixed = false; iter->range = NULL; @@ -656,15 +669,19 @@ u8 kvm_mtrr_get_guest_memory_type(struct kvm_vcpu *vcpu, gfn_t gfn) return MTRR_TYPE_WRBACK; } - /* It is not covered by MTRRs. */ - if (iter.partial_map) { - /* - * We just check one page, partially covered by MTRRs is - * impossible. - */ - WARN_ON(type != -1); - type = mtrr_default_type(mtrr_state); - } + if (iter.mtrr_disabled) + return mtrr_disabled_type(); + + /* not contained in any MTRRs. */ + if (type == -1) + return mtrr_default_type(mtrr_state); + + /* + * We just check one page, partially covered by MTRRs is + * impossible. + */ + WARN_ON(iter.partial_map); + return type; } EXPORT_SYMBOL_GPL(kvm_mtrr_get_guest_memory_type); @@ -689,6 +706,9 @@ bool kvm_mtrr_check_gfn_range_consistency(struct kvm_vcpu *vcpu, gfn_t gfn, return false; } + if (iter.mtrr_disabled) + return true; + if (!iter.partial_map) return true; diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index bbc678a66b18..8e0c0844c6b9 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1672,7 +1672,7 @@ static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) * does not do it - this results in some delay at * reboot */ - if (!(vcpu->kvm->arch.disabled_quirks & KVM_QUIRK_CD_NW_CLEARED)) + if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED)) cr0 &= ~(X86_CR0_CD | X86_CR0_NW); svm->vmcb->save.cr0 = cr0; mark_dirty(svm->vmcb, VMCB_CR); diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 5b4e9384717a..83b7b5cd75d5 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -8650,7 +8650,10 @@ static u64 vmx_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) if (kvm_read_cr0(vcpu) & X86_CR0_CD) { ipat = VMX_EPT_IPAT_BIT; - cache = MTRR_TYPE_UNCACHABLE; + if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED)) + cache = MTRR_TYPE_WRBACK; + else + cache = MTRR_TYPE_UNCACHABLE; goto exit; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 5ef2560075bf..8f0f6eca69da 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2105,7 +2105,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) if (guest_cpuid_has_tsc_adjust(vcpu)) { if (!msr_info->host_initiated) { s64 adj = data - vcpu->arch.ia32_tsc_adjust_msr; - kvm_x86_ops->adjust_tsc_offset(vcpu, adj, true); + adjust_tsc_offset_guest(vcpu, adj); } vcpu->arch.ia32_tsc_adjust_msr = data; } @@ -6327,6 +6327,7 @@ static void process_smi_save_state_64(struct kvm_vcpu *vcpu, char *buf) static void process_smi(struct kvm_vcpu *vcpu) { struct kvm_segment cs, ds; + struct desc_ptr dt; char buf[512]; u32 cr0; @@ -6359,6 +6360,10 @@ static void process_smi(struct kvm_vcpu *vcpu) kvm_x86_ops->set_cr4(vcpu, 0); + /* Undocumented: IDT limit is set to zero on entry to SMM. */ + dt.address = dt.size = 0; + kvm_x86_ops->set_idt(vcpu, &dt); + __kvm_set_dr(vcpu, 7, DR7_FIXED_1); cs.selector = (vcpu->arch.smbase >> 4) & 0xffff; diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index edc8cdcd786b..0ca2f3e4803c 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -147,6 +147,11 @@ static inline void kvm_register_writel(struct kvm_vcpu *vcpu, return kvm_register_write(vcpu, reg, val); } +static inline bool kvm_check_has_quirk(struct kvm *kvm, u64 quirk) +{ + return !(kvm->arch.disabled_quirks & quirk); +} + void kvm_before_handle_nmi(struct kvm_vcpu *vcpu); void kvm_after_handle_nmi(struct kvm_vcpu *vcpu); void kvm_set_pending_timer(struct kvm_vcpu *vcpu); diff --git a/arch/x86/math-emu/fpu_entry.c b/arch/x86/math-emu/fpu_entry.c index f37e84ab49f3..3d8f2e421466 100644 --- a/arch/x86/math-emu/fpu_entry.c +++ b/arch/x86/math-emu/fpu_entry.c @@ -29,7 +29,6 @@ #include <asm/uaccess.h> #include <asm/traps.h> -#include <asm/desc.h> #include <asm/user.h> #include <asm/fpu/internal.h> @@ -181,7 +180,7 @@ void math_emulate(struct math_emu_info *info) math_abort(FPU_info, SIGILL); } - code_descriptor = LDT_DESCRIPTOR(FPU_CS); + code_descriptor = FPU_get_ldt_descriptor(FPU_CS); if (SEG_D_SIZE(code_descriptor)) { /* The above test may be wrong, the book is not clear */ /* Segmented 32 bit protected mode */ diff --git a/arch/x86/math-emu/fpu_system.h b/arch/x86/math-emu/fpu_system.h index 9ccecb61a4fa..5e044d506b7a 100644 --- a/arch/x86/math-emu/fpu_system.h +++ b/arch/x86/math-emu/fpu_system.h @@ -16,9 +16,24 @@ #include <linux/kernel.h> #include <linux/mm.h> -/* s is always from a cpu register, and the cpu does bounds checking - * during register load --> no further bounds checks needed */ -#define LDT_DESCRIPTOR(s) (((struct desc_struct *)current->mm->context.ldt)[(s) >> 3]) +#include <asm/desc.h> +#include <asm/mmu_context.h> + +static inline struct desc_struct FPU_get_ldt_descriptor(unsigned seg) +{ + static struct desc_struct zero_desc; + struct desc_struct ret = zero_desc; + +#ifdef CONFIG_MODIFY_LDT_SYSCALL + seg >>= 3; + mutex_lock(¤t->mm->context.lock); + if (current->mm->context.ldt && seg < current->mm->context.ldt->size) + ret = current->mm->context.ldt->entries[seg]; + mutex_unlock(¤t->mm->context.lock); +#endif + return ret; +} + #define SEG_D_SIZE(x) ((x).b & (3 << 21)) #define SEG_G_BIT(x) ((x).b & (1 << 23)) #define SEG_GRANULARITY(x) (((x).b & (1 << 23)) ? 4096 : 1) diff --git a/arch/x86/math-emu/get_address.c b/arch/x86/math-emu/get_address.c index 6ef5e99380f9..8300db71c2a6 100644 --- a/arch/x86/math-emu/get_address.c +++ b/arch/x86/math-emu/get_address.c @@ -20,7 +20,6 @@ #include <linux/stddef.h> #include <asm/uaccess.h> -#include <asm/desc.h> #include "fpu_system.h" #include "exception.h" @@ -158,7 +157,7 @@ static long pm_address(u_char FPU_modrm, u_char segment, addr->selector = PM_REG_(segment); } - descriptor = LDT_DESCRIPTOR(PM_REG_(segment)); + descriptor = FPU_get_ldt_descriptor(addr->selector); base_address = SEG_BASE_ADDR(descriptor); address = base_address + offset; limit = base_address diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index cc5ccc415cc0..b9c78f3bcd67 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -63,8 +63,6 @@ static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages, !PageReserved(pfn_to_page(start_pfn + i))) return 1; - WARN_ONCE(1, "ioremap on RAM pfn 0x%lx\n", start_pfn); - return 0; } @@ -94,7 +92,6 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, pgprot_t prot; int retval; void __iomem *ret_addr; - int ram_region; /* Don't allow wraparound or zero size */ last_addr = phys_addr + size - 1; @@ -117,23 +114,15 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, /* * Don't allow anybody to remap normal RAM that we're using.. */ - /* First check if whole region can be identified as RAM or not */ - ram_region = region_is_ram(phys_addr, size); - if (ram_region > 0) { - WARN_ONCE(1, "ioremap on RAM at 0x%lx - 0x%lx\n", - (unsigned long int)phys_addr, - (unsigned long int)last_addr); + pfn = phys_addr >> PAGE_SHIFT; + last_pfn = last_addr >> PAGE_SHIFT; + if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL, + __ioremap_check_ram) == 1) { + WARN_ONCE(1, "ioremap on RAM at %pa - %pa\n", + &phys_addr, &last_addr); return NULL; } - /* If could not be identified(-1), check page by page */ - if (ram_region < 0) { - pfn = phys_addr >> PAGE_SHIFT; - last_pfn = last_addr >> PAGE_SHIFT; - if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL, - __ioremap_check_ram) == 1) - return NULL; - } /* * Mappings have to be page-aligned */ diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c index 9d518d693b4b..844b06d67df4 100644 --- a/arch/x86/mm/mmap.c +++ b/arch/x86/mm/mmap.c @@ -126,3 +126,10 @@ void arch_pick_mmap_layout(struct mm_struct *mm) mm->get_unmapped_area = arch_get_unmapped_area_topdown; } } + +const char *arch_vma_name(struct vm_area_struct *vma) +{ + if (vma->vm_flags & VM_MPX) + return "[mpx]"; + return NULL; +} diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index 7a657f58bbea..db1b0bc5017c 100644 --- a/arch/x86/mm/mpx.c +++ b/arch/x86/mm/mpx.c @@ -20,20 +20,6 @@ #define CREATE_TRACE_POINTS #include <asm/trace/mpx.h> -static const char *mpx_mapping_name(struct vm_area_struct *vma) -{ - return "[mpx]"; -} - -static struct vm_operations_struct mpx_vma_ops = { - .name = mpx_mapping_name, -}; - -static int is_mpx_vma(struct vm_area_struct *vma) -{ - return (vma->vm_ops == &mpx_vma_ops); -} - static inline unsigned long mpx_bd_size_bytes(struct mm_struct *mm) { if (is_64bit_mm(mm)) @@ -53,9 +39,6 @@ static inline unsigned long mpx_bt_size_bytes(struct mm_struct *mm) /* * This is really a simplified "vm_mmap". it only handles MPX * bounds tables (the bounds directory is user-allocated). - * - * Later on, we use the vma->vm_ops to uniquely identify these - * VMAs. */ static unsigned long mpx_mmap(unsigned long len) { @@ -101,7 +84,6 @@ static unsigned long mpx_mmap(unsigned long len) ret = -ENOMEM; goto out; } - vma->vm_ops = &mpx_vma_ops; if (vm_flags & VM_LOCKED) { up_write(&mm->mmap_sem); @@ -812,7 +794,7 @@ static noinline int zap_bt_entries_mapping(struct mm_struct *mm, * so stop immediately and return an error. This * probably results in a SIGSEGV. */ - if (!is_mpx_vma(vma)) + if (!(vma->vm_flags & VM_MPX)) return -EINVAL; len = min(vma->vm_end, end) - addr; @@ -945,9 +927,9 @@ static int try_unmap_single_bt(struct mm_struct *mm, * lots of tables even though we have no actual table * entries in use. */ - while (next && is_mpx_vma(next)) + while (next && (next->vm_flags & VM_MPX)) next = next->vm_next; - while (prev && is_mpx_vma(prev)) + while (prev && (prev->vm_flags & VM_MPX)) prev = prev->vm_prev; /* * We know 'start' and 'end' lie within an area controlled diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 3250f2371aea..90b924acd982 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -117,7 +117,7 @@ static void flush_tlb_func(void *info) } else { unsigned long addr; unsigned long nr_pages = - f->flush_end - f->flush_start / PAGE_SIZE; + (f->flush_end - f->flush_start) / PAGE_SIZE; addr = f->flush_start; while (addr < f->flush_end) { __flush_tlb_single(addr); diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index 579a8fd74be0..be2e7a2b10d7 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -269,7 +269,7 @@ static void emit_bpf_tail_call(u8 **pprog) EMIT4(0x48, 0x8B, 0x46, /* mov rax, qword ptr [rsi + 16] */ offsetof(struct bpf_array, map.max_entries)); EMIT3(0x48, 0x39, 0xD0); /* cmp rax, rdx */ -#define OFFSET1 44 /* number of bytes to jump */ +#define OFFSET1 47 /* number of bytes to jump */ EMIT2(X86_JBE, OFFSET1); /* jbe out */ label1 = cnt; @@ -278,15 +278,15 @@ static void emit_bpf_tail_call(u8 **pprog) */ EMIT2_off32(0x8B, 0x85, -STACKSIZE + 36); /* mov eax, dword ptr [rbp - 516] */ EMIT3(0x83, 0xF8, MAX_TAIL_CALL_CNT); /* cmp eax, MAX_TAIL_CALL_CNT */ -#define OFFSET2 33 +#define OFFSET2 36 EMIT2(X86_JA, OFFSET2); /* ja out */ label2 = cnt; EMIT3(0x83, 0xC0, 0x01); /* add eax, 1 */ EMIT2_off32(0x89, 0x85, -STACKSIZE + 36); /* mov dword ptr [rbp - 516], eax */ /* prog = array->prog[index]; */ - EMIT4(0x48, 0x8D, 0x44, 0xD6); /* lea rax, [rsi + rdx * 8 + 0x50] */ - EMIT1(offsetof(struct bpf_array, prog)); + EMIT4_off32(0x48, 0x8D, 0x84, 0xD6, /* lea rax, [rsi + rdx * 8 + offsetof(...)] */ + offsetof(struct bpf_array, prog)); EMIT3(0x48, 0x8B, 0x00); /* mov rax, qword ptr [rax] */ /* if (prog == NULL) diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index cfba30f27392..e4308fe6afe8 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -972,6 +972,11 @@ u64 efi_mem_attributes(unsigned long phys_addr) static int __init arch_parse_efi_cmdline(char *str) { + if (!str) { + pr_warn("need at least one option\n"); + return -EINVAL; + } + if (parse_option_str(str, "old_map")) set_bit(EFI_OLD_MEMMAP, &efi.flags); if (parse_option_str(str, "debug")) diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c index 0d7dd1f5ac36..9ab52791fed5 100644 --- a/arch/x86/power/cpu.c +++ b/arch/x86/power/cpu.c @@ -22,6 +22,7 @@ #include <asm/fpu/internal.h> #include <asm/debugreg.h> #include <asm/cpu.h> +#include <asm/mmu_context.h> #ifdef CONFIG_X86_32 __visible unsigned long saved_context_ebx; @@ -153,7 +154,7 @@ static void fix_processor_context(void) syscall_init(); /* This sets MSR_*STAR and related */ #endif load_TR_desc(); /* This does ltr */ - load_LDT(¤t->active_mm->context); /* This does lldt */ + load_mm_ldt(current->active_mm); /* This does lldt */ fpu__resume_cpu(); } diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig index e88fda867a33..484145368a24 100644 --- a/arch/x86/xen/Kconfig +++ b/arch/x86/xen/Kconfig @@ -8,7 +8,7 @@ config XEN select PARAVIRT_CLOCK select XEN_HAVE_PVMMU depends on X86_64 || (X86_32 && X86_PAE) - depends on X86_TSC + depends on X86_LOCAL_APIC && X86_TSC help This is the Linux Xen port. Enabling this will allow the kernel to boot in a paravirtualized environment under the @@ -17,7 +17,7 @@ config XEN config XEN_DOM0 def_bool y depends on XEN && PCI_XEN && SWIOTLB_XEN - depends on X86_LOCAL_APIC && X86_IO_APIC && ACPI && PCI + depends on X86_IO_APIC && ACPI && PCI config XEN_PVHVM def_bool y diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index 7322755f337a..4b6e29ac0968 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -13,13 +13,13 @@ CFLAGS_mmu.o := $(nostackp) obj-y := enlighten.o setup.o multicalls.o mmu.o irq.o \ time.o xen-asm.o xen-asm_$(BITS).o \ grant-table.o suspend.o platform-pci-unplug.o \ - p2m.o + p2m.o apic.o obj-$(CONFIG_EVENT_TRACING) += trace.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= spinlock.o obj-$(CONFIG_XEN_DEBUG_FS) += debugfs.o -obj-$(CONFIG_XEN_DOM0) += apic.o vga.o +obj-$(CONFIG_XEN_DOM0) += vga.o obj-$(CONFIG_SWIOTLB_XEN) += pci-swiotlb-xen.o obj-$(CONFIG_XEN_EFI) += efi.o diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 0b95c9b8283f..11d6fb4e8483 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -483,6 +483,7 @@ static void set_aliased_prot(void *v, pgprot_t prot) pte_t pte; unsigned long pfn; struct page *page; + unsigned char dummy; ptep = lookup_address((unsigned long)v, &level); BUG_ON(ptep == NULL); @@ -492,6 +493,32 @@ static void set_aliased_prot(void *v, pgprot_t prot) pte = pfn_pte(pfn, prot); + /* + * Careful: update_va_mapping() will fail if the virtual address + * we're poking isn't populated in the page tables. We don't + * need to worry about the direct map (that's always in the page + * tables), but we need to be careful about vmap space. In + * particular, the top level page table can lazily propagate + * entries between processes, so if we've switched mms since we + * vmapped the target in the first place, we might not have the + * top-level page table entry populated. + * + * We disable preemption because we want the same mm active when + * we probe the target and when we issue the hypercall. We'll + * have the same nominal mm, but if we're a kernel thread, lazy + * mm dropping could change our pgd. + * + * Out of an abundance of caution, this uses __get_user() to fault + * in the target address just in case there's some obscure case + * in which the target address isn't readable. + */ + + preempt_disable(); + + pagefault_disable(); /* Avoid warnings due to being atomic. */ + __get_user(dummy, (unsigned char __user __force *)v); + pagefault_enable(); + if (HYPERVISOR_update_va_mapping((unsigned long)v, pte, 0)) BUG(); @@ -503,6 +530,8 @@ static void set_aliased_prot(void *v, pgprot_t prot) BUG(); } else kmap_flush_unused(); + + preempt_enable(); } static void xen_alloc_ldt(struct desc_struct *ldt, unsigned entries) @@ -510,6 +539,17 @@ static void xen_alloc_ldt(struct desc_struct *ldt, unsigned entries) const unsigned entries_per_page = PAGE_SIZE / LDT_ENTRY_SIZE; int i; + /* + * We need to mark the all aliases of the LDT pages RO. We + * don't need to call vm_flush_aliases(), though, since that's + * only responsible for flushing aliases out the TLBs, not the + * page tables, and Xen will flush the TLB for us if needed. + * + * To avoid confusing future readers: none of this is necessary + * to load the LDT. The hypervisor only checks this when the + * LDT is faulted in due to subsequent descriptor access. + */ + for(i = 0; i < entries; i += entries_per_page) set_aliased_prot(ldt + i, PAGE_KERNEL_RO); } diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h index c20fe29e65f4..2292721b1d10 100644 --- a/arch/x86/xen/xen-ops.h +++ b/arch/x86/xen/xen-ops.h @@ -101,17 +101,15 @@ struct dom0_vga_console_info; #ifdef CONFIG_XEN_DOM0 void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size); -void __init xen_init_apic(void); #else static inline void __init xen_init_vga(const struct dom0_vga_console_info *info, size_t size) { } -static inline void __init xen_init_apic(void) -{ -} #endif +void __init xen_init_apic(void); + #ifdef CONFIG_XEN_EFI extern void xen_efi_init(void); #else diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild index 14d15bf1a95b..5b478accd5fc 100644 --- a/arch/xtensa/include/asm/Kbuild +++ b/arch/xtensa/include/asm/Kbuild @@ -19,6 +19,7 @@ generic-y += linkage.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += percpu.h generic-y += preempt.h generic-y += resource.h diff --git a/arch/xtensa/include/asm/mm-arch-hooks.h b/arch/xtensa/include/asm/mm-arch-hooks.h deleted file mode 100644 index d2e5cfd3dd02..000000000000 --- a/arch/xtensa/include/asm/mm-arch-hooks.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Architecture specific mm hooks - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef _ASM_XTENSA_MM_ARCH_HOOKS_H -#define _ASM_XTENSA_MM_ARCH_HOOKS_H - -#endif /* _ASM_XTENSA_MM_ARCH_HOOKS_H */ diff --git a/block/bio.c b/block/bio.c index 2a00d349cd68..d6e5ba3399f0 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1831,8 +1831,9 @@ EXPORT_SYMBOL(bio_endio); * Allocates and returns a new bio which represents @sectors from the start of * @bio, and updates @bio to represent the remaining sectors. * - * The newly allocated bio will point to @bio's bi_io_vec; it is the caller's - * responsibility to ensure that @bio is not freed before the split. + * Unless this is a discard request the newly allocated bio will point + * to @bio's bi_io_vec; it is the caller's responsibility to ensure that + * @bio is not freed before the split. */ struct bio *bio_split(struct bio *bio, int sectors, gfp_t gfp, struct bio_set *bs) @@ -1842,7 +1843,15 @@ struct bio *bio_split(struct bio *bio, int sectors, BUG_ON(sectors <= 0); BUG_ON(sectors >= bio_sectors(bio)); - split = bio_clone_fast(bio, gfp, bs); + /* + * Discards need a mutable bio_vec to accommodate the payload + * required by the DSM TRIM and UNMAP commands. + */ + if (bio->bi_rw & REQ_DISCARD) + split = bio_clone_bioset(bio, gfp, bs); + else + split = bio_clone_fast(bio, gfp, bs); + if (!split) return NULL; @@ -2009,6 +2018,7 @@ int bio_associate_blkcg(struct bio *bio, struct cgroup_subsys_state *blkcg_css) bio->bi_css = blkcg_css; return 0; } +EXPORT_SYMBOL_GPL(bio_associate_blkcg); /** * bio_associate_current - associate a bio with %current @@ -2039,6 +2049,7 @@ int bio_associate_current(struct bio *bio) bio->bi_css = task_get_css(current, blkio_cgrp_id); return 0; } +EXPORT_SYMBOL_GPL(bio_associate_current); /** * bio_disassociate_task - undo bio_associate_current() diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 9da02c021ebe..d6283b3f5db5 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -718,8 +718,12 @@ int blkg_conf_prep(struct blkcg *blkcg, const struct blkcg_policy *pol, return -EINVAL; disk = get_gendisk(MKDEV(major, minor), &part); - if (!disk || part) + if (!disk) return -EINVAL; + if (part) { + put_disk(disk); + return -EINVAL; + } rcu_read_lock(); spin_lock_irq(disk->queue->queue_lock); diff --git a/block/blk-settings.c b/block/blk-settings.c index 12600bfffca9..e0057d035200 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -241,8 +241,8 @@ EXPORT_SYMBOL(blk_queue_bounce_limit); * Description: * Enables a low level driver to set a hard upper limit, * max_hw_sectors, on the size of requests. max_hw_sectors is set by - * the device driver based upon the combined capabilities of I/O - * controller and storage device. + * the device driver based upon the capabilities of the I/O + * controller. * * max_sectors is a soft limit imposed by the block layer for * filesystem type requests. This value can be overridden on a diff --git a/crypto/authencesn.c b/crypto/authencesn.c index a3da6770bc9e..b8efe36ce114 100644 --- a/crypto/authencesn.c +++ b/crypto/authencesn.c @@ -393,8 +393,6 @@ static int crypto_authenc_esn_genicv(struct aead_request *req, u8 *iv, struct scatterlist *cipher = areq_ctx->cipher; struct scatterlist *hsg = areq_ctx->hsg; struct scatterlist *tsg = areq_ctx->tsg; - struct scatterlist *assoc1; - struct scatterlist *assoc2; unsigned int ivsize = crypto_aead_ivsize(authenc_esn); unsigned int cryptlen = req->cryptlen; struct page *dstp; @@ -412,27 +410,19 @@ static int crypto_authenc_esn_genicv(struct aead_request *req, u8 *iv, cryptlen += ivsize; } - if (sg_is_last(assoc)) - return -EINVAL; - - assoc1 = assoc + 1; - if (sg_is_last(assoc1)) - return -EINVAL; - - assoc2 = assoc + 2; - if (!sg_is_last(assoc2)) + if (assoc->length < 12) return -EINVAL; sg_init_table(hsg, 2); - sg_set_page(hsg, sg_page(assoc), assoc->length, assoc->offset); - sg_set_page(hsg + 1, sg_page(assoc2), assoc2->length, assoc2->offset); + sg_set_page(hsg, sg_page(assoc), 4, assoc->offset); + sg_set_page(hsg + 1, sg_page(assoc), 4, assoc->offset + 8); sg_init_table(tsg, 1); - sg_set_page(tsg, sg_page(assoc1), assoc1->length, assoc1->offset); + sg_set_page(tsg, sg_page(assoc), 4, assoc->offset + 4); areq_ctx->cryptlen = cryptlen; - areq_ctx->headlen = assoc->length + assoc2->length; - areq_ctx->trailen = assoc1->length; + areq_ctx->headlen = 8; + areq_ctx->trailen = 4; areq_ctx->sg = dst; areq_ctx->complete = authenc_esn_geniv_ahash_done; @@ -563,8 +553,6 @@ static int crypto_authenc_esn_iverify(struct aead_request *req, u8 *iv, struct scatterlist *cipher = areq_ctx->cipher; struct scatterlist *hsg = areq_ctx->hsg; struct scatterlist *tsg = areq_ctx->tsg; - struct scatterlist *assoc1; - struct scatterlist *assoc2; unsigned int ivsize = crypto_aead_ivsize(authenc_esn); struct page *srcp; u8 *vsrc; @@ -580,27 +568,19 @@ static int crypto_authenc_esn_iverify(struct aead_request *req, u8 *iv, cryptlen += ivsize; } - if (sg_is_last(assoc)) - return -EINVAL; - - assoc1 = assoc + 1; - if (sg_is_last(assoc1)) - return -EINVAL; - - assoc2 = assoc + 2; - if (!sg_is_last(assoc2)) + if (assoc->length < 12) return -EINVAL; sg_init_table(hsg, 2); - sg_set_page(hsg, sg_page(assoc), assoc->length, assoc->offset); - sg_set_page(hsg + 1, sg_page(assoc2), assoc2->length, assoc2->offset); + sg_set_page(hsg, sg_page(assoc), 4, assoc->offset); + sg_set_page(hsg + 1, sg_page(assoc), 4, assoc->offset + 8); sg_init_table(tsg, 1); - sg_set_page(tsg, sg_page(assoc1), assoc1->length, assoc1->offset); + sg_set_page(tsg, sg_page(assoc), 4, assoc->offset + 4); areq_ctx->cryptlen = cryptlen; - areq_ctx->headlen = assoc->length + assoc2->length; - areq_ctx->trailen = assoc1->length; + areq_ctx->headlen = 8; + areq_ctx->trailen = 4; areq_ctx->sg = src; areq_ctx->complete = authenc_esn_verify_ahash_done; diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 114cf48085ab..54e9729f9634 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -189,17 +189,24 @@ config ACPI_DOCK This driver supports ACPI-controlled docking stations and removable drive bays such as the IBM Ultrabay and the Dell Module Bay. -config ACPI_PROCESSOR - tristate "Processor" +config ACPI_CPU_FREQ_PSS + bool select THERMAL + +config ACPI_PROCESSOR_IDLE + bool select CPU_IDLE + +config ACPI_PROCESSOR + tristate "Processor" depends on X86 || IA64 + select ACPI_PROCESSOR_IDLE + select ACPI_CPU_FREQ_PSS default y help - This driver installs ACPI as the idle handler for Linux and uses - ACPI C2 and C3 processor states to save power on systems that - support it. It is required by several flavors of cpufreq - performance-state drivers. + This driver adds support for the ACPI Processor package. It is required + by several flavors of cpufreq performance-state, thermal, throttling and + idle drivers. To compile this driver as a module, choose M here: the module will be called processor. diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 8321430d7f24..b5e7cd8a9c71 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -24,7 +24,7 @@ acpi-y += nvs.o # Power management related files acpi-y += wakeup.o acpi-$(CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT) += sleep.o -acpi-y += device_pm.o +acpi-y += device_sysfs.o device_pm.o acpi-$(CONFIG_ACPI_SLEEP) += proc.o @@ -80,8 +80,10 @@ obj-$(CONFIG_ACPI_CUSTOM_METHOD)+= custom_method.o obj-$(CONFIG_ACPI_BGRT) += bgrt.o # processor has its own "processor." module_param namespace -processor-y := processor_driver.o processor_throttling.o -processor-y += processor_idle.o processor_thermal.o +processor-y := processor_driver.o +processor-$(CONFIG_ACPI_PROCESSOR_IDLE) += processor_idle.o +processor-$(CONFIG_ACPI_CPU_FREQ_PSS) += processor_throttling.o \ + processor_thermal.o processor-$(CONFIG_CPU_FREQ) += processor_perflib.o obj-$(CONFIG_ACPI_PROCESSOR_AGGREGATOR) += acpi_pad.o diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 9b5354a2cd08..f71b756b05c4 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -16,10 +16,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/acpi_ipmi.c b/drivers/acpi/acpi_ipmi.c index ac0f52f6df2b..f77956c3fd45 100644 --- a/drivers/acpi/acpi_ipmi.c +++ b/drivers/acpi/acpi_ipmi.c @@ -17,10 +17,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index 46b58abb08c5..10020e04f574 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -60,6 +60,7 @@ ACPI_MODULE_NAME("acpi_lpss"); #define LPSS_CLK_DIVIDER BIT(2) #define LPSS_LTR BIT(3) #define LPSS_SAVE_CTX BIT(4) +#define LPSS_NO_D3_DELAY BIT(5) struct lpss_private_data; @@ -156,6 +157,10 @@ static const struct lpss_device_desc byt_pwm_dev_desc = { .flags = LPSS_SAVE_CTX, }; +static const struct lpss_device_desc bsw_pwm_dev_desc = { + .flags = LPSS_SAVE_CTX | LPSS_NO_D3_DELAY, +}; + static const struct lpss_device_desc byt_uart_dev_desc = { .flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX, .clk_con_id = "baudclk", @@ -163,6 +168,14 @@ static const struct lpss_device_desc byt_uart_dev_desc = { .setup = lpss_uart_setup, }; +static const struct lpss_device_desc bsw_uart_dev_desc = { + .flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX + | LPSS_NO_D3_DELAY, + .clk_con_id = "baudclk", + .prv_offset = 0x800, + .setup = lpss_uart_setup, +}; + static const struct lpss_device_desc byt_spi_dev_desc = { .flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX, .prv_offset = 0x400, @@ -178,8 +191,15 @@ static const struct lpss_device_desc byt_i2c_dev_desc = { .setup = byt_i2c_setup, }; +static const struct lpss_device_desc bsw_i2c_dev_desc = { + .flags = LPSS_CLK | LPSS_SAVE_CTX | LPSS_NO_D3_DELAY, + .prv_offset = 0x800, + .setup = byt_i2c_setup, +}; + static struct lpss_device_desc bsw_spi_dev_desc = { - .flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX, + .flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX + | LPSS_NO_D3_DELAY, .prv_offset = 0x400, .setup = lpss_deassert_reset, }; @@ -214,11 +234,12 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = { { "INT33FC", }, /* Braswell LPSS devices */ - { "80862288", LPSS_ADDR(byt_pwm_dev_desc) }, - { "8086228A", LPSS_ADDR(byt_uart_dev_desc) }, + { "80862288", LPSS_ADDR(bsw_pwm_dev_desc) }, + { "8086228A", LPSS_ADDR(bsw_uart_dev_desc) }, { "8086228E", LPSS_ADDR(bsw_spi_dev_desc) }, - { "808622C1", LPSS_ADDR(byt_i2c_dev_desc) }, + { "808622C1", LPSS_ADDR(bsw_i2c_dev_desc) }, + /* Broadwell LPSS devices */ { "INT3430", LPSS_ADDR(lpt_dev_desc) }, { "INT3431", LPSS_ADDR(lpt_dev_desc) }, { "INT3432", LPSS_ADDR(lpt_i2c_dev_desc) }, @@ -558,9 +579,14 @@ static void acpi_lpss_restore_ctx(struct device *dev, * The following delay is needed or the subsequent write operations may * fail. The LPSS devices are actually PCI devices and the PCI spec * expects 10ms delay before the device can be accessed after D3 to D0 - * transition. + * transition. However some platforms like BSW does not need this delay. */ - msleep(10); + unsigned int delay = 10; /* default 10ms delay */ + + if (pdata->dev_desc->flags & LPSS_NO_D3_DELAY) + delay = 0; + + msleep(delay); for (i = 0; i < LPSS_PRV_REG_COUNT; i++) { unsigned long offset = i * sizeof(u32); diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index ee28f4d15625..6b0d3ef7309c 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -16,11 +16,6 @@ * NON INFRINGEMENT. See the GNU General Public License for more * details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * * ACPI based HotPlug driver that supports Memory Hotplug * This driver fields notifications from firmware for memory add * and remove operations and alerts the VM of the affected memory diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index 00b39802d7ec..ae307ff36acb 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -12,10 +12,6 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * */ #include <linux/kernel.h> diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index 92a5f738e370..985b8a83184e 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -485,7 +485,7 @@ static const struct acpi_device_id processor_device_ids[] = { { } }; -static struct acpi_scan_handler __refdata processor_handler = { +static struct acpi_scan_handler processor_handler = { .ids = processor_device_ids, .attach = acpi_processor_add, #ifdef CONFIG_ACPI_HOTPLUG_CPU diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index 8c2fe2f2f9fd..5778e8e4313a 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -17,10 +17,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index c1a963581dc0..fedcc16b56cc 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -11,6 +11,7 @@ obj-y += acpi.o acpi-y := \ dsargs.o \ dscontrol.o \ + dsdebug.o \ dsfield.o \ dsinit.o \ dsmethod.o \ @@ -164,6 +165,7 @@ acpi-y += \ utmath.o \ utmisc.o \ utmutex.o \ + utnonansi.o \ utobject.o \ utosi.o \ utownerid.o \ diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h index 43685dd36c77..eb2e926d8218 100644 --- a/drivers/acpi/acpica/acdebug.h +++ b/drivers/acpi/acpica/acdebug.h @@ -67,9 +67,6 @@ struct acpi_db_execute_walk { }; #define PARAM_LIST(pl) pl -#define DBTEST_OUTPUT_LEVEL(lvl) if (acpi_gbl_db_opt_verbose) -#define VERBOSE_PRINT(fp) DBTEST_OUTPUT_LEVEL(lvl) {\ - acpi_os_printf PARAM_LIST(fp);} #define EX_NO_SINGLE_STEP 1 #define EX_SINGLE_STEP 2 @@ -77,10 +74,6 @@ struct acpi_db_execute_walk { /* * dbxface - external debugger interfaces */ -acpi_status acpi_db_initialize(void); - -void acpi_db_terminate(void); - acpi_status acpi_db_single_step(struct acpi_walk_state *walk_state, union acpi_parse_object *op, u32 op_type); @@ -102,6 +95,8 @@ void acpi_db_display_interfaces(char *action_arg, char *interface_name_arg); acpi_status acpi_db_sleep(char *object_arg); +void acpi_db_trace(char *enable_arg, char *method_arg, char *once_arg); + void acpi_db_display_locks(void); void acpi_db_display_resources(char *object_arg); @@ -262,6 +257,23 @@ char *acpi_db_get_next_token(char *string, char **next, acpi_object_type * return_type); /* + * dbobject + */ +void acpi_db_decode_internal_object(union acpi_operand_object *obj_desc); + +void +acpi_db_display_internal_object(union acpi_operand_object *obj_desc, + struct acpi_walk_state *walk_state); + +void acpi_db_decode_arguments(struct acpi_walk_state *walk_state); + +void acpi_db_decode_locals(struct acpi_walk_state *walk_state); + +void +acpi_db_dump_method_info(acpi_status status, + struct acpi_walk_state *walk_state); + +/* * dbstats - Generation and display of ACPI table statistics */ void acpi_db_generate_statistics(union acpi_parse_object *root, u8 is_method); diff --git a/drivers/acpi/acpica/acdispat.h b/drivers/acpi/acpica/acdispat.h index 408f04bcaab4..7094dc89eb81 100644 --- a/drivers/acpi/acpica/acdispat.h +++ b/drivers/acpi/acpica/acdispat.h @@ -354,4 +354,12 @@ acpi_status acpi_ds_result_push(union acpi_operand_object *object, struct acpi_walk_state *walk_state); +/* + * dsdebug - parser debugging routines + */ +void +acpi_ds_dump_method_stack(acpi_status status, + struct acpi_walk_state *walk_state, + union acpi_parse_object *op); + #endif /* _ACDISPAT_H_ */ diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 53f96a370762..09f37b516808 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -58,11 +58,12 @@ ACPI_GLOBAL(struct acpi_table_list, acpi_gbl_root_table_list); ACPI_GLOBAL(struct acpi_table_header *, acpi_gbl_DSDT); ACPI_GLOBAL(struct acpi_table_header, acpi_gbl_original_dsdt_header); +ACPI_INIT_GLOBAL(u32, acpi_gbl_dsdt_index, ACPI_INVALID_TABLE_INDEX); +ACPI_INIT_GLOBAL(u32, acpi_gbl_facs_index, ACPI_INVALID_TABLE_INDEX); +ACPI_INIT_GLOBAL(u32, acpi_gbl_xfacs_index, ACPI_INVALID_TABLE_INDEX); #if (!ACPI_REDUCED_HARDWARE) ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_FACS); -ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_facs32); -ACPI_GLOBAL(struct acpi_table_facs *, acpi_gbl_facs64); #endif /* !ACPI_REDUCED_HARDWARE */ @@ -235,6 +236,10 @@ ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0); ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list); +/* Maximum number of While() loop iterations before forced abort */ + +ACPI_GLOBAL(u16, acpi_gbl_max_loop_iterations); + /* Control method single step flag */ ACPI_GLOBAL(u8, acpi_gbl_cm_single_step); @@ -290,8 +295,6 @@ ACPI_GLOBAL(u32, acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]); ACPI_GLOBAL(u32, acpi_gbl_original_dbg_level); ACPI_GLOBAL(u32, acpi_gbl_original_dbg_layer); -ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_level); -ACPI_GLOBAL(u32, acpi_gbl_trace_dbg_layer); /***************************************************************************** * @@ -309,9 +312,10 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_no_resource_disassembly, FALSE); ACPI_INIT_GLOBAL(u8, acpi_gbl_ignore_noop_operator, FALSE); ACPI_INIT_GLOBAL(u8, acpi_gbl_cstyle_disassembly, TRUE); ACPI_INIT_GLOBAL(u8, acpi_gbl_force_aml_disassembly, FALSE); +ACPI_INIT_GLOBAL(u8, acpi_gbl_dm_opt_verbose, TRUE); -ACPI_GLOBAL(u8, acpi_gbl_db_opt_disasm); -ACPI_GLOBAL(u8, acpi_gbl_db_opt_verbose); +ACPI_GLOBAL(u8, acpi_gbl_dm_opt_disasm); +ACPI_GLOBAL(u8, acpi_gbl_dm_opt_listing); ACPI_GLOBAL(u8, acpi_gbl_num_external_methods); ACPI_GLOBAL(u32, acpi_gbl_resolved_external_methods); ACPI_GLOBAL(struct acpi_external_list *, acpi_gbl_external_list); @@ -346,8 +350,8 @@ ACPI_GLOBAL(char, acpi_gbl_db_debug_filename[ACPI_DB_LINE_BUFFER_SIZE]); /* * Statistic globals */ -ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1]); -ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1]); +ACPI_GLOBAL(u16, acpi_gbl_obj_type_count[ACPI_TOTAL_TYPES]); +ACPI_GLOBAL(u16, acpi_gbl_node_type_count[ACPI_TOTAL_TYPES]); ACPI_GLOBAL(u16, acpi_gbl_obj_type_count_misc); ACPI_GLOBAL(u16, acpi_gbl_node_type_count_misc); ACPI_GLOBAL(u32, acpi_gbl_num_nodes); diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h index 7ac98000b46b..e820ed8f173f 100644 --- a/drivers/acpi/acpica/acinterp.h +++ b/drivers/acpi/acpica/acinterp.h @@ -131,6 +131,28 @@ void acpi_ex_do_debug_object(union acpi_operand_object *source_desc, u32 level, u32 index); +void +acpi_ex_start_trace_method(struct acpi_namespace_node *method_node, + union acpi_operand_object *obj_desc, + struct acpi_walk_state *walk_state); + +void +acpi_ex_stop_trace_method(struct acpi_namespace_node *method_node, + union acpi_operand_object *obj_desc, + struct acpi_walk_state *walk_state); + +void +acpi_ex_start_trace_opcode(union acpi_parse_object *op, + struct acpi_walk_state *walk_state); + +void +acpi_ex_stop_trace_opcode(union acpi_parse_object *op, + struct acpi_walk_state *walk_state); + +void +acpi_ex_trace_point(acpi_trace_event_type type, + u8 begin, u8 *aml, char *pathname); + /* * exfield - ACPI AML (p-code) execution - field manipulation */ diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index bc600969c6a1..6f708267ad8c 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -174,8 +174,12 @@ struct acpi_namespace_node { */ #ifdef ACPI_LARGE_NAMESPACE_NODE union acpi_parse_object *op; + void *method_locals; + void *method_args; u32 value; u32 length; + u8 arg_count; + #endif }; @@ -209,11 +213,9 @@ struct acpi_table_list { #define ACPI_ROOT_ORIGIN_ALLOCATED (1) #define ACPI_ROOT_ALLOW_RESIZE (2) -/* Predefined (fixed) table indexes */ +/* Predefined table indexes */ -#define ACPI_TABLE_INDEX_DSDT (0) -#define ACPI_TABLE_INDEX_FACS (1) -#define ACPI_TABLE_INDEX_X_FACS (2) +#define ACPI_INVALID_TABLE_INDEX (0xFFFFFFFF) struct acpi_find_context { char *search_for; @@ -404,6 +406,13 @@ struct acpi_simple_repair_info { #define ACPI_NUM_RTYPES 5 /* Number of actual object types */ +/* Info for running the _REG methods */ + +struct acpi_reg_walk_info { + acpi_adr_space_type space_id; + u32 reg_run_count; +}; + /***************************************************************************** * * Event typedefs and structs @@ -715,7 +724,7 @@ union acpi_parse_value { union acpi_parse_object *arg; /* arguments and contained ops */ }; -#ifdef ACPI_DISASSEMBLER +#if defined(ACPI_DISASSEMBLER) || defined(ACPI_DEBUG_OUTPUT) #define ACPI_DISASM_ONLY_MEMBERS(a) a; #else #define ACPI_DISASM_ONLY_MEMBERS(a) @@ -726,7 +735,7 @@ union acpi_parse_value { u8 descriptor_type; /* To differentiate various internal objs */\ u8 flags; /* Type of Op */\ u16 aml_opcode; /* AML opcode */\ - u32 aml_offset; /* Offset of declaration in AML */\ + u8 *aml; /* Address of declaration in AML */\ union acpi_parse_object *next; /* Next op */\ struct acpi_namespace_node *node; /* For use by interpreter */\ union acpi_parse_value value; /* Value or args associated with the opcode */\ @@ -1103,6 +1112,9 @@ struct acpi_db_method_info { * Index of current thread inside all them created. */ char init_args; +#ifdef ACPI_DEBUGGER + acpi_object_type arg_types[4]; +#endif char *arguments[4]; char num_threads_str[11]; char id_of_thread_str[11]; @@ -1119,6 +1131,10 @@ struct acpi_integrity_info { #define ACPI_DB_CONSOLE_OUTPUT 0x02 #define ACPI_DB_DUPLICATE_OUTPUT 0x03 +struct acpi_object_info { + u32 types[ACPI_TOTAL_TYPES]; +}; + /***************************************************************************** * * Debug diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h index c240bdf824f2..e85366ceb15a 100644 --- a/drivers/acpi/acpica/acmacros.h +++ b/drivers/acpi/acpica/acmacros.h @@ -220,6 +220,15 @@ #define ACPI_MUL_32(a) _ACPI_MUL(a, 5) #define ACPI_MOD_32(a) _ACPI_MOD(a, 32) +/* Test for ASCII character */ + +#define ACPI_IS_ASCII(c) ((c) < 0x80) + +/* Signed integers */ + +#define ACPI_SIGN_POSITIVE 0 +#define ACPI_SIGN_NEGATIVE 1 + /* * Rounding macros (Power of two boundaries only) */ diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index 0dd088290d80..ea0d9076d408 100644 --- a/drivers/acpi/acpica/acnamesp.h +++ b/drivers/acpi/acpica/acnamesp.h @@ -272,17 +272,20 @@ acpi_ns_check_package(struct acpi_evaluate_info *info, */ u32 acpi_ns_opens_scope(acpi_object_type type); -acpi_status -acpi_ns_build_external_path(struct acpi_namespace_node *node, - acpi_size size, char *name_buffer); - char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node); +u32 +acpi_ns_build_normalized_path(struct acpi_namespace_node *node, + char *full_path, u32 path_size, u8 no_trailing); + +char *acpi_ns_get_normalized_pathname(struct acpi_namespace_node *node, + u8 no_trailing); + char *acpi_ns_name_of_current_scope(struct acpi_walk_state *walk_state); acpi_status acpi_ns_handle_to_pathname(acpi_handle target_handle, - struct acpi_buffer *buffer); + struct acpi_buffer *buffer, u8 no_trailing); u8 acpi_ns_pattern_match(struct acpi_namespace_node *obj_node, char *search_for); diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h index c81d98d09cac..0bd02c4a5f75 100644 --- a/drivers/acpi/acpica/acobject.h +++ b/drivers/acpi/acpica/acobject.h @@ -176,6 +176,7 @@ struct acpi_object_method { u8 param_count; u8 sync_level; union acpi_operand_object *mutex; + union acpi_operand_object *node; u8 *aml_start; union { acpi_internal_method implementation; diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h index 0cdd2fce493a..6021ccfb0b1c 100644 --- a/drivers/acpi/acpica/acparser.h +++ b/drivers/acpi/acpica/acparser.h @@ -225,11 +225,11 @@ void acpi_ps_delete_parse_tree(union acpi_parse_object *root); /* * psutils - parser utilities */ -union acpi_parse_object *acpi_ps_create_scope_op(void); +union acpi_parse_object *acpi_ps_create_scope_op(u8 *aml); void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode); -union acpi_parse_object *acpi_ps_alloc_op(u16 opcode); +union acpi_parse_object *acpi_ps_alloc_op(u16 opcode, u8 *aml); void acpi_ps_free_op(union acpi_parse_object *op); diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h index 44997ca02ae2..f9992dced1f9 100644 --- a/drivers/acpi/acpica/acstruct.h +++ b/drivers/acpi/acpica/acstruct.h @@ -85,7 +85,7 @@ struct acpi_walk_state { u8 namespace_override; /* Override existing objects */ u8 result_size; /* Total elements for the result stack */ u8 result_count; /* Current number of occupied elements of result stack */ - u32 aml_offset; + u8 *aml; u32 arg_types; u32 method_breakpoint; /* For single stepping */ u32 user_breakpoint; /* User AML breakpoint */ diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h index 7e0b6f1bec9c..f7731f260c31 100644 --- a/drivers/acpi/acpica/actables.h +++ b/drivers/acpi/acpica/actables.h @@ -154,14 +154,20 @@ void acpi_tb_check_dsdt_header(void); struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index); void -acpi_tb_install_table_with_override(u32 table_index, - struct acpi_table_desc *new_table_desc, - u8 override); +acpi_tb_install_table_with_override(struct acpi_table_desc *new_table_desc, + u8 override, u32 *table_index); acpi_status acpi_tb_install_fixed_table(acpi_physical_address address, - char *signature, u32 table_index); + char *signature, u32 *table_index); acpi_status acpi_tb_parse_root_table(acpi_physical_address rsdp_address); +u8 acpi_is_valid_signature(char *signature); + +/* + * tbxfload + */ +acpi_status acpi_tb_load_namespace(void); + #endif /* __ACTABLES_H__ */ diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h index 6de0d3573037..fb2aa5066f3f 100644 --- a/drivers/acpi/acpica/acutils.h +++ b/drivers/acpi/acpica/acutils.h @@ -167,6 +167,17 @@ struct acpi_pkg_info { #define DB_QWORD_DISPLAY 8 /* + * utnonansi - Non-ANSI C library functions + */ +void acpi_ut_strupr(char *src_string); + +void acpi_ut_strlwr(char *src_string); + +int acpi_ut_stricmp(char *string1, char *string2); + +acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer); + +/* * utglobal - Global data structures and procedures */ acpi_status acpi_ut_init_globals(void); @@ -205,8 +216,6 @@ acpi_status acpi_ut_hardware_initialize(void); void acpi_ut_subsystem_shutdown(void); -#define ACPI_IS_ASCII(c) ((c) < 0x80) - /* * utcopy - Object construction and conversion interfaces */ @@ -508,7 +517,7 @@ const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status u8 acpi_ut_is_pci_root_bridge(char *id); -#if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP) +#if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_NAMES_APP) u8 acpi_ut_is_aml_table(struct acpi_table_header *table); #endif @@ -567,16 +576,6 @@ acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag); /* * utstring - String and character utilities */ -void acpi_ut_strupr(char *src_string); - -#ifdef ACPI_ASL_COMPILER -void acpi_ut_strlwr(char *src_string); - -int acpi_ut_stricmp(char *string1, char *string2); -#endif - -acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer); - void acpi_ut_print_string(char *string, u16 max_length); #if defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP diff --git a/drivers/acpi/acpica/dsargs.c b/drivers/acpi/acpica/dsargs.c index 3e6989738e85..e2ab59e39162 100644 --- a/drivers/acpi/acpica/dsargs.c +++ b/drivers/acpi/acpica/dsargs.c @@ -86,7 +86,7 @@ acpi_ds_execute_arguments(struct acpi_namespace_node *node, /* Allocate a new parser op to be the root of the parsed tree */ - op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP); + op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP, aml_start); if (!op) { return_ACPI_STATUS(AE_NO_MEMORY); } @@ -129,7 +129,7 @@ acpi_ds_execute_arguments(struct acpi_namespace_node *node, /* Evaluate the deferred arguments */ - op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP); + op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP, aml_start); if (!op) { return_ACPI_STATUS(AE_NO_MEMORY); } diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c index 39da9da62bbf..435fc16e2f83 100644 --- a/drivers/acpi/acpica/dscontrol.c +++ b/drivers/acpi/acpica/dscontrol.c @@ -212,7 +212,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state, */ control_state->control.loop_count++; if (control_state->control.loop_count > - ACPI_MAX_LOOP_ITERATIONS) { + acpi_gbl_max_loop_iterations) { status = AE_AML_INFINITE_LOOP; break; } diff --git a/drivers/acpi/acpica/dsdebug.c b/drivers/acpi/acpica/dsdebug.c new file mode 100644 index 000000000000..309556efc553 --- /dev/null +++ b/drivers/acpi/acpica/dsdebug.c @@ -0,0 +1,231 @@ +/****************************************************************************** + * + * Module Name: dsdebug - Parser/Interpreter interface - debugging + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2015, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" +#include "acdispat.h" +#include "acnamesp.h" +#ifdef ACPI_DISASSEMBLER +#include "acdisasm.h" +#endif +#include "acinterp.h" + +#define _COMPONENT ACPI_DISPATCHER +ACPI_MODULE_NAME("dsdebug") + +#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) +/* Local prototypes */ +static void +acpi_ds_print_node_pathname(struct acpi_namespace_node *node, + const char *message); + +/******************************************************************************* + * + * FUNCTION: acpi_ds_print_node_pathname + * + * PARAMETERS: node - Object + * message - Prefix message + * + * DESCRIPTION: Print an object's full namespace pathname + * Manages allocation/freeing of a pathname buffer + * + ******************************************************************************/ + +static void +acpi_ds_print_node_pathname(struct acpi_namespace_node *node, + const char *message) +{ + struct acpi_buffer buffer; + acpi_status status; + + ACPI_FUNCTION_TRACE(ds_print_node_pathname); + + if (!node) { + ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "[NULL NAME]")); + return_VOID; + } + + /* Convert handle to full pathname and print it (with supplied message) */ + + buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; + + status = acpi_ns_handle_to_pathname(node, &buffer, TRUE); + if (ACPI_SUCCESS(status)) { + if (message) { + ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "%s ", + message)); + } + + ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "[%s] (Node %p)", + (char *)buffer.pointer, node)); + ACPI_FREE(buffer.pointer); + } + + return_VOID; +} + +/******************************************************************************* + * + * FUNCTION: acpi_ds_dump_method_stack + * + * PARAMETERS: status - Method execution status + * walk_state - Current state of the parse tree walk + * op - Executing parse op + * + * RETURN: None + * + * DESCRIPTION: Called when a method has been aborted because of an error. + * Dumps the method execution stack. + * + ******************************************************************************/ + +void +acpi_ds_dump_method_stack(acpi_status status, + struct acpi_walk_state *walk_state, + union acpi_parse_object *op) +{ + union acpi_parse_object *next; + struct acpi_thread_state *thread; + struct acpi_walk_state *next_walk_state; + struct acpi_namespace_node *previous_method = NULL; + union acpi_operand_object *method_desc; + + ACPI_FUNCTION_TRACE(ds_dump_method_stack); + + /* Ignore control codes, they are not errors */ + + if ((status & AE_CODE_MASK) == AE_CODE_CONTROL) { + return_VOID; + } + + /* We may be executing a deferred opcode */ + + if (walk_state->deferred_node) { + ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, + "Executing subtree for Buffer/Package/Region\n")); + return_VOID; + } + + /* + * If there is no Thread, we are not actually executing a method. + * This can happen when the iASL compiler calls the interpreter + * to perform constant folding. + */ + thread = walk_state->thread; + if (!thread) { + return_VOID; + } + + /* Display exception and method name */ + + ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, + "\n**** Exception %s during execution of method ", + acpi_format_exception(status))); + acpi_ds_print_node_pathname(walk_state->method_node, NULL); + + /* Display stack of executing methods */ + + ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, + "\n\nMethod Execution Stack:\n")); + next_walk_state = thread->walk_state_list; + + /* Walk list of linked walk states */ + + while (next_walk_state) { + method_desc = next_walk_state->method_desc; + if (method_desc) { + acpi_ex_stop_trace_method((struct acpi_namespace_node *) + method_desc->method.node, + method_desc, walk_state); + } + + ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, + " Method [%4.4s] executing: ", + acpi_ut_get_node_name(next_walk_state-> + method_node))); + + /* First method is the currently executing method */ + + if (next_walk_state == walk_state) { + if (op) { + + /* Display currently executing ASL statement */ + + next = op->common.next; + op->common.next = NULL; + +#ifdef ACPI_DISASSEMBLER + acpi_dm_disassemble(next_walk_state, op, + ACPI_UINT32_MAX); +#endif + op->common.next = next; + } + } else { + /* + * This method has called another method + * NOTE: the method call parse subtree is already deleted at this + * point, so we cannot disassemble the method invocation. + */ + ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, + "Call to method ")); + acpi_ds_print_node_pathname(previous_method, NULL); + } + + previous_method = next_walk_state->method_node; + next_walk_state = next_walk_state->next; + ACPI_DEBUG_PRINT_RAW((ACPI_DB_DISPATCH, "\n")); + } + + return_VOID; +} + +#else +void +acpi_ds_dump_method_stack(acpi_status status, + struct acpi_walk_state *walk_state, + union acpi_parse_object *op) +{ + return; +} + +#endif diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c index 95779e8ec3bb..920f1b199bc6 100644 --- a/drivers/acpi/acpica/dsinit.c +++ b/drivers/acpi/acpica/dsinit.c @@ -237,12 +237,22 @@ acpi_ds_initialize_objects(u32 table_index, return_ACPI_STATUS(status); } + /* DSDT is always the first AML table */ + + if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT)) { + ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, + "\nInitializing Namespace objects:\n")); + } + + /* Summary of objects initialized */ + ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, - "Table [%4.4s] (id %4.4X) - %4u Objects with %3u Devices, " - "%3u Regions, %3u Methods (%u/%u/%u Serial/Non/Cvt)\n", - table->signature, owner_id, info.object_count, - info.device_count, info.op_region_count, - info.method_count, info.serial_method_count, + "Table [%4.4s:%8.8s] (id %.2X) - %4u Objects with %3u Devices, " + "%3u Regions, %4u Methods (%u/%u/%u Serial/Non/Cvt)\n", + table->signature, table->oem_table_id, owner_id, + info.object_count, info.device_count, + info.op_region_count, info.method_count, + info.serial_method_count, info.non_serial_method_count, info.serialized_method_count)); diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index 85bb951430d9..bc32f3194afe 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -46,11 +46,9 @@ #include "acdispat.h" #include "acinterp.h" #include "acnamesp.h" -#ifdef ACPI_DISASSEMBLER -#include "acdisasm.h" -#endif #include "acparser.h" #include "amlcode.h" +#include "acdebug.h" #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME("dsmethod") @@ -103,7 +101,7 @@ acpi_ds_auto_serialize_method(struct acpi_namespace_node *node, /* Create/Init a root op for the method parse tree */ - op = acpi_ps_alloc_op(AML_METHOD_OP); + op = acpi_ps_alloc_op(AML_METHOD_OP, obj_desc->method.aml_start); if (!op) { return_ACPI_STATUS(AE_NO_MEMORY); } @@ -205,7 +203,7 @@ acpi_ds_detect_named_opcodes(struct acpi_walk_state *walk_state, * RETURN: Status * * DESCRIPTION: Called on method error. Invoke the global exception handler if - * present, dump the method data if the disassembler is configured + * present, dump the method data if the debugger is configured * * Note: Allows the exception handler to change the status code * @@ -214,6 +212,8 @@ acpi_ds_detect_named_opcodes(struct acpi_walk_state *walk_state, acpi_status acpi_ds_method_error(acpi_status status, struct acpi_walk_state * walk_state) { + u32 aml_offset; + ACPI_FUNCTION_ENTRY(); /* Ignore AE_OK and control exception codes */ @@ -234,26 +234,30 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state * walk_state) * Handler can map the exception code to anything it wants, including * AE_OK, in which case the executing method will not be aborted. */ + aml_offset = (u32)ACPI_PTR_DIFF(walk_state->aml, + walk_state->parser_state. + aml_start); + status = acpi_gbl_exception_handler(status, walk_state->method_node ? walk_state->method_node-> name.integer : 0, walk_state->opcode, - walk_state->aml_offset, - NULL); + aml_offset, NULL); acpi_ex_enter_interpreter(); } acpi_ds_clear_implicit_return(walk_state); -#ifdef ACPI_DISASSEMBLER if (ACPI_FAILURE(status)) { + acpi_ds_dump_method_stack(status, walk_state, walk_state->op); - /* Display method locals/args if disassembler is present */ + /* Display method locals/args if debugger is present */ - acpi_dm_dump_method_info(status, walk_state, walk_state->op); - } +#ifdef ACPI_DEBUGGER + acpi_db_dump_method_info(status, walk_state); #endif + } return (status); } @@ -328,6 +332,8 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, return_ACPI_STATUS(AE_NULL_ENTRY); } + acpi_ex_start_trace_method(method_node, obj_desc, walk_state); + /* Prevent wraparound of thread count */ if (obj_desc->method.thread_count == ACPI_UINT8_MAX) { @@ -574,9 +580,7 @@ cleanup: /* On error, we must terminate the method properly */ acpi_ds_terminate_control_method(obj_desc, next_walk_state); - if (next_walk_state) { - acpi_ds_delete_walk_state(next_walk_state); - } + acpi_ds_delete_walk_state(next_walk_state); return_ACPI_STATUS(status); } @@ -826,5 +830,8 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, } } + acpi_ex_stop_trace_method((struct acpi_namespace_node *)method_desc-> + method.node, method_desc, walk_state); + return_VOID; } diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c index ea0cc4e08f80..81d7b9863e32 100644 --- a/drivers/acpi/acpica/dsopcode.c +++ b/drivers/acpi/acpica/dsopcode.c @@ -480,8 +480,8 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state, union acpi_operand_object **operand; struct acpi_namespace_node *node; union acpi_parse_object *next_op; - u32 table_index; struct acpi_table_header *table; + u32 table_index; ACPI_FUNCTION_TRACE_PTR(ds_eval_table_region_operands, op); @@ -504,6 +504,8 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state, return_ACPI_STATUS(status); } + operand = &walk_state->operands[0]; + /* * Resolve the Signature string, oem_id string, * and oem_table_id string operands @@ -511,32 +513,34 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state, status = acpi_ex_resolve_operands(op->common.aml_opcode, ACPI_WALK_OPERANDS, walk_state); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto cleanup; } - operand = &walk_state->operands[0]; - /* Find the ACPI table */ status = acpi_tb_find_table(operand[0]->string.pointer, operand[1]->string.pointer, operand[2]->string.pointer, &table_index); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + if (status == AE_NOT_FOUND) { + ACPI_ERROR((AE_INFO, + "ACPI Table [%4.4s] OEM:(%s, %s) not found in RSDT/XSDT", + operand[0]->string.pointer, + operand[1]->string.pointer, + operand[2]->string.pointer)); + } + goto cleanup; } - acpi_ut_remove_reference(operand[0]); - acpi_ut_remove_reference(operand[1]); - acpi_ut_remove_reference(operand[2]); - status = acpi_get_table_by_index(table_index, &table); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto cleanup; } obj_desc = acpi_ns_get_attached_object(node); if (!obj_desc) { - return_ACPI_STATUS(AE_NOT_EXIST); + status = AE_NOT_EXIST; + goto cleanup; } obj_desc->region.address = ACPI_PTR_TO_PHYSADDR(table); @@ -551,6 +555,11 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state, obj_desc->region.flags |= AOPOBJ_DATA_VALID; +cleanup: + acpi_ut_remove_reference(operand[0]); + acpi_ut_remove_reference(operand[1]); + acpi_ut_remove_reference(operand[2]); + return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c index 845ff44919c3..097188a6b1c1 100644 --- a/drivers/acpi/acpica/dswload.c +++ b/drivers/acpi/acpica/dswload.c @@ -388,7 +388,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, /* Create a new op */ - op = acpi_ps_alloc_op(walk_state->opcode); + op = acpi_ps_alloc_op(walk_state->opcode, walk_state->aml); if (!op) { return_ACPI_STATUS(AE_NO_MEMORY); } diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c index fcaa30c611fb..e2c08cd79aca 100644 --- a/drivers/acpi/acpica/dswload2.c +++ b/drivers/acpi/acpica/dswload2.c @@ -335,7 +335,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, /* Create a new op */ - op = acpi_ps_alloc_op(walk_state->opcode); + op = acpi_ps_alloc_op(walk_state->opcode, walk_state->aml); if (!op) { return_ACPI_STATUS(AE_NO_MEMORY); } diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 2ba28a63fb68..5ee79a16fe33 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -626,9 +626,17 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, acpi_adr_space_type space_id) { acpi_status status; + struct acpi_reg_walk_info info; ACPI_FUNCTION_TRACE(ev_execute_reg_methods); + info.space_id = space_id; + info.reg_run_count = 0; + + ACPI_DEBUG_PRINT_RAW((ACPI_DB_NAMES, + " Running _REG methods for SpaceId %s\n", + acpi_ut_get_region_name(info.space_id))); + /* * Run all _REG methods for all Operation Regions for this space ID. This * is a separate walk in order to handle any interdependencies between @@ -637,7 +645,7 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, */ status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK, acpi_ev_reg_run, - NULL, &space_id, NULL); + NULL, &info, NULL); /* Special case for EC: handle "orphan" _REG methods with no region */ @@ -645,6 +653,11 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, acpi_ev_orphan_ec_reg_method(node); } + ACPI_DEBUG_PRINT_RAW((ACPI_DB_NAMES, + " Executed %u _REG methods for SpaceId %s\n", + info.reg_run_count, + acpi_ut_get_region_name(info.space_id))); + return_ACPI_STATUS(status); } @@ -664,10 +677,10 @@ acpi_ev_reg_run(acpi_handle obj_handle, { union acpi_operand_object *obj_desc; struct acpi_namespace_node *node; - acpi_adr_space_type space_id; acpi_status status; + struct acpi_reg_walk_info *info; - space_id = *ACPI_CAST_PTR(acpi_adr_space_type, context); + info = ACPI_CAST_PTR(struct acpi_reg_walk_info, context); /* Convert and validate the device handle */ @@ -696,13 +709,14 @@ acpi_ev_reg_run(acpi_handle obj_handle, /* Object is a Region */ - if (obj_desc->region.space_id != space_id) { + if (obj_desc->region.space_id != info->space_id) { /* This region is for a different address space, just ignore it */ return (AE_OK); } + info->reg_run_count++; status = acpi_ev_execute_reg_method(obj_desc, ACPI_REG_CONNECT); return (status); } diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c index 24a4c5c2b124..b540913c11ac 100644 --- a/drivers/acpi/acpica/exconfig.c +++ b/drivers/acpi/acpica/exconfig.c @@ -162,14 +162,6 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, ACPI_FUNCTION_TRACE(ex_load_table_op); - /* Validate lengths for the Signature, oem_id, and oem_table_id strings */ - - if ((operand[0]->string.length > ACPI_NAME_SIZE) || - (operand[1]->string.length > ACPI_OEM_ID_SIZE) || - (operand[2]->string.length > ACPI_OEM_TABLE_ID_SIZE)) { - return_ACPI_STATUS(AE_AML_STRING_LIMIT); - } - /* Find the ACPI table in the RSDT/XSDT */ status = acpi_tb_find_table(operand[0]->string.pointer, diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c index aaeea4840aaa..ccb7219bdcee 100644 --- a/drivers/acpi/acpica/excreate.c +++ b/drivers/acpi/acpica/excreate.c @@ -486,6 +486,7 @@ acpi_ex_create_method(u8 * aml_start, obj_desc->method.aml_start = aml_start; obj_desc->method.aml_length = aml_length; + obj_desc->method.node = operand[0]; /* * Disassemble the method flags. Split off the arg_count, Serialized diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c index 815442bbd051..de92458236f5 100644 --- a/drivers/acpi/acpica/exdebug.c +++ b/drivers/acpi/acpica/exdebug.c @@ -43,11 +43,21 @@ #include <acpi/acpi.h> #include "accommon.h" +#include "acnamesp.h" #include "acinterp.h" +#include "acparser.h" #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME("exdebug") +static union acpi_operand_object *acpi_gbl_trace_method_object = NULL; + +/* Local prototypes */ + +#ifdef ACPI_DEBUG_OUTPUT +static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type); +#endif + #ifndef ACPI_NO_ERROR_MESSAGES /******************************************************************************* * @@ -70,6 +80,7 @@ ACPI_MODULE_NAME("exdebug") * enabled if necessary. * ******************************************************************************/ + void acpi_ex_do_debug_object(union acpi_operand_object *source_desc, u32 level, u32 index) @@ -308,3 +319,316 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, return_VOID; } #endif + +/******************************************************************************* + * + * FUNCTION: acpi_ex_interpreter_trace_enabled + * + * PARAMETERS: name - Whether method name should be matched, + * this should be checked before starting + * the tracer + * + * RETURN: TRUE if interpreter trace is enabled. + * + * DESCRIPTION: Check whether interpreter trace is enabled + * + ******************************************************************************/ + +static u8 acpi_ex_interpreter_trace_enabled(char *name) +{ + + /* Check if tracing is enabled */ + + if (!(acpi_gbl_trace_flags & ACPI_TRACE_ENABLED)) { + return (FALSE); + } + + /* + * Check if tracing is filtered: + * + * 1. If the tracer is started, acpi_gbl_trace_method_object should have + * been filled by the trace starter + * 2. If the tracer is not started, acpi_gbl_trace_method_name should be + * matched if it is specified + * 3. If the tracer is oneshot style, acpi_gbl_trace_method_name should + * not be cleared by the trace stopper during the first match + */ + if (acpi_gbl_trace_method_object) { + return (TRUE); + } + if (name && + (acpi_gbl_trace_method_name && + strcmp(acpi_gbl_trace_method_name, name))) { + return (FALSE); + } + if ((acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) && + !acpi_gbl_trace_method_name) { + return (FALSE); + } + + return (TRUE); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_get_trace_event_name + * + * PARAMETERS: type - Trace event type + * + * RETURN: Trace event name. + * + * DESCRIPTION: Used to obtain the full trace event name. + * + ******************************************************************************/ + +#ifdef ACPI_DEBUG_OUTPUT + +static const char *acpi_ex_get_trace_event_name(acpi_trace_event_type type) +{ + switch (type) { + case ACPI_TRACE_AML_METHOD: + + return "Method"; + + case ACPI_TRACE_AML_OPCODE: + + return "Opcode"; + + case ACPI_TRACE_AML_REGION: + + return "Region"; + + default: + + return ""; + } +} + +#endif + +/******************************************************************************* + * + * FUNCTION: acpi_ex_trace_point + * + * PARAMETERS: type - Trace event type + * begin - TRUE if before execution + * aml - Executed AML address + * pathname - Object path + * + * RETURN: None + * + * DESCRIPTION: Internal interpreter execution trace. + * + ******************************************************************************/ + +void +acpi_ex_trace_point(acpi_trace_event_type type, + u8 begin, u8 *aml, char *pathname) +{ + + ACPI_FUNCTION_NAME(ex_trace_point); + + if (pathname) { + ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT, + "%s %s [0x%p:%s] execution.\n", + acpi_ex_get_trace_event_name(type), + begin ? "Begin" : "End", aml, pathname)); + } else { + ACPI_DEBUG_PRINT((ACPI_DB_TRACE_POINT, + "%s %s [0x%p] execution.\n", + acpi_ex_get_trace_event_name(type), + begin ? "Begin" : "End", aml)); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_start_trace_method + * + * PARAMETERS: method_node - Node of the method + * obj_desc - The method object + * walk_state - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Start control method execution trace + * + ******************************************************************************/ + +void +acpi_ex_start_trace_method(struct acpi_namespace_node *method_node, + union acpi_operand_object *obj_desc, + struct acpi_walk_state *walk_state) +{ + acpi_status status; + char *pathname = NULL; + u8 enabled = FALSE; + + ACPI_FUNCTION_NAME(ex_start_trace_method); + + if (method_node) { + pathname = acpi_ns_get_normalized_pathname(method_node, TRUE); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + goto exit; + } + + enabled = acpi_ex_interpreter_trace_enabled(pathname); + if (enabled && !acpi_gbl_trace_method_object) { + acpi_gbl_trace_method_object = obj_desc; + acpi_gbl_original_dbg_level = acpi_dbg_level; + acpi_gbl_original_dbg_layer = acpi_dbg_layer; + acpi_dbg_level = ACPI_TRACE_LEVEL_ALL; + acpi_dbg_layer = ACPI_TRACE_LAYER_ALL; + + if (acpi_gbl_trace_dbg_level) { + acpi_dbg_level = acpi_gbl_trace_dbg_level; + } + if (acpi_gbl_trace_dbg_layer) { + acpi_dbg_layer = acpi_gbl_trace_dbg_layer; + } + } + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + +exit: + if (enabled) { + ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, TRUE, + obj_desc ? obj_desc->method.aml_start : NULL, + pathname); + } + if (pathname) { + ACPI_FREE(pathname); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_stop_trace_method + * + * PARAMETERS: method_node - Node of the method + * obj_desc - The method object + * walk_state - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Stop control method execution trace + * + ******************************************************************************/ + +void +acpi_ex_stop_trace_method(struct acpi_namespace_node *method_node, + union acpi_operand_object *obj_desc, + struct acpi_walk_state *walk_state) +{ + acpi_status status; + char *pathname = NULL; + u8 enabled; + + ACPI_FUNCTION_NAME(ex_stop_trace_method); + + if (method_node) { + pathname = acpi_ns_get_normalized_pathname(method_node, TRUE); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + goto exit_path; + } + + enabled = acpi_ex_interpreter_trace_enabled(NULL); + + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + + if (enabled) { + ACPI_TRACE_POINT(ACPI_TRACE_AML_METHOD, FALSE, + obj_desc ? obj_desc->method.aml_start : NULL, + pathname); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + goto exit_path; + } + + /* Check whether the tracer should be stopped */ + + if (acpi_gbl_trace_method_object == obj_desc) { + + /* Disable further tracing if type is one-shot */ + + if (acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) { + acpi_gbl_trace_method_name = NULL; + } + + acpi_dbg_level = acpi_gbl_original_dbg_level; + acpi_dbg_layer = acpi_gbl_original_dbg_layer; + acpi_gbl_trace_method_object = NULL; + } + + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + +exit_path: + if (pathname) { + ACPI_FREE(pathname); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_start_trace_opcode + * + * PARAMETERS: op - The parser opcode object + * walk_state - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Start opcode execution trace + * + ******************************************************************************/ + +void +acpi_ex_start_trace_opcode(union acpi_parse_object *op, + struct acpi_walk_state *walk_state) +{ + + ACPI_FUNCTION_NAME(ex_start_trace_opcode); + + if (acpi_ex_interpreter_trace_enabled(NULL) && + (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) { + ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, TRUE, + op->common.aml, op->common.aml_op_name); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ex_stop_trace_opcode + * + * PARAMETERS: op - The parser opcode object + * walk_state - current state, NULL if not yet executing + * a method. + * + * RETURN: None + * + * DESCRIPTION: Stop opcode execution trace + * + ******************************************************************************/ + +void +acpi_ex_stop_trace_opcode(union acpi_parse_object *op, + struct acpi_walk_state *walk_state) +{ + + ACPI_FUNCTION_NAME(ex_stop_trace_opcode); + + if (acpi_ex_interpreter_trace_enabled(NULL) && + (acpi_gbl_trace_flags & ACPI_TRACE_OPCODE)) { + ACPI_TRACE_POINT(ACPI_TRACE_AML_OPCODE, FALSE, + op->common.aml, op->common.aml_op_name); + } +} diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c index 401e7edcd419..d836f888bb16 100644 --- a/drivers/acpi/acpica/exdump.c +++ b/drivers/acpi/acpica/exdump.c @@ -995,9 +995,8 @@ static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc) if (obj_desc->reference.class == ACPI_REFCLASS_NAME) { acpi_os_printf(" %p ", obj_desc->reference.node); - status = - acpi_ns_handle_to_pathname(obj_desc->reference.node, - &ret_buf); + status = acpi_ns_handle_to_pathname(obj_desc->reference.node, + &ret_buf, TRUE); if (ACPI_FAILURE(status)) { acpi_os_printf(" Could not convert name to pathname\n"); } else { diff --git a/drivers/acpi/acpica/exresnte.c b/drivers/acpi/acpica/exresnte.c index c7e3b929aa85..1b372ef69308 100644 --- a/drivers/acpi/acpica/exresnte.c +++ b/drivers/acpi/acpica/exresnte.c @@ -126,7 +126,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr, if (!source_desc) { ACPI_ERROR((AE_INFO, "No object attached to node [%4.4s] %p", node->name.ascii, node)); - return_ACPI_STATUS(AE_AML_NO_OPERAND); + return_ACPI_STATUS(AE_AML_UNINITIALIZED_NODE); } /* diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c index b6b7f3af29e4..7b109128b035 100644 --- a/drivers/acpi/acpica/exresolv.c +++ b/drivers/acpi/acpica/exresolv.c @@ -337,8 +337,9 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state, acpi_object_type * return_type, union acpi_operand_object **return_desc) { - union acpi_operand_object *obj_desc = (void *)operand; - struct acpi_namespace_node *node; + union acpi_operand_object *obj_desc = ACPI_CAST_PTR(void, operand); + struct acpi_namespace_node *node = + ACPI_CAST_PTR(struct acpi_namespace_node, operand); acpi_object_type type; acpi_status status; @@ -355,9 +356,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state, case ACPI_DESC_TYPE_NAMED: type = ((struct acpi_namespace_node *)obj_desc)->type; - obj_desc = - acpi_ns_get_attached_object((struct acpi_namespace_node *) - obj_desc); + obj_desc = acpi_ns_get_attached_object(node); /* If we had an Alias node, use the attached object for type info */ @@ -368,6 +367,13 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state, acpi_namespace_node *) obj_desc); } + + if (!obj_desc) { + ACPI_ERROR((AE_INFO, + "[%4.4s] Node is unresolved or uninitialized", + acpi_ut_get_node_name(node))); + return_ACPI_STATUS(AE_AML_UNINITIALIZED_NODE); + } break; default: diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c index 52dfd0d050fa..d62a61612b3f 100644 --- a/drivers/acpi/acpica/hwxfsleep.c +++ b/drivers/acpi/acpica/hwxfsleep.c @@ -160,19 +160,8 @@ acpi_set_firmware_waking_vectors(acpi_physical_address physical_address, ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vectors); - /* If Hardware Reduced flag is set, there is no FACS */ - - if (acpi_gbl_reduced_hardware) { - return_ACPI_STATUS (AE_OK); - } - - if (acpi_gbl_facs32) { - (void)acpi_hw_set_firmware_waking_vectors(acpi_gbl_facs32, - physical_address, - physical_address64); - } - if (acpi_gbl_facs64) { - (void)acpi_hw_set_firmware_waking_vectors(acpi_gbl_facs64, + if (acpi_gbl_FACS) { + (void)acpi_hw_set_firmware_waking_vectors(acpi_gbl_FACS, physical_address, physical_address64); } diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c index 80670cb32b5a..7eba578d36f3 100644 --- a/drivers/acpi/acpica/nseval.c +++ b/drivers/acpi/acpica/nseval.c @@ -274,6 +274,7 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info) acpi_ex_exit_interpreter(); if (ACPI_FAILURE(status)) { + info->return_object = NULL; goto cleanup; } @@ -464,7 +465,8 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj, status = acpi_ns_evaluate(info); - ACPI_DEBUG_PRINT((ACPI_DB_INIT, "Executed module-level code at %p\n", + ACPI_DEBUG_PRINT((ACPI_DB_INIT_NAMES, + "Executed module-level code at %p\n", method_obj->method.aml_start)); /* Delete a possible implicit return value (in slack mode) */ diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c index bd6cd4a81316..14ab83668207 100644 --- a/drivers/acpi/acpica/nsload.c +++ b/drivers/acpi/acpica/nsload.c @@ -111,7 +111,21 @@ acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node) if (ACPI_SUCCESS(status)) { acpi_tb_set_table_loaded_flag(table_index, TRUE); } else { - (void)acpi_tb_release_owner_id(table_index); + /* + * On error, delete any namespace objects created by this table. + * We cannot initialize these objects, so delete them. There are + * a couple of expecially bad cases: + * AE_ALREADY_EXISTS - namespace collision. + * AE_NOT_FOUND - the target of a Scope operator does not + * exist. This target of Scope must already exist in the + * namespace, as per the ACPI specification. + */ + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + acpi_ns_delete_namespace_by_owner(acpi_gbl_root_table_list. + tables[table_index].owner_id); + acpi_tb_release_owner_id(table_index); + + return_ACPI_STATUS(status); } unlock: diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c index d293d9748036..8934b4eddb73 100644 --- a/drivers/acpi/acpica/nsnames.c +++ b/drivers/acpi/acpica/nsnames.c @@ -51,73 +51,6 @@ ACPI_MODULE_NAME("nsnames") /******************************************************************************* * - * FUNCTION: acpi_ns_build_external_path - * - * PARAMETERS: node - NS node whose pathname is needed - * size - Size of the pathname - * *name_buffer - Where to return the pathname - * - * RETURN: Status - * Places the pathname into the name_buffer, in external format - * (name segments separated by path separators) - * - * DESCRIPTION: Generate a full pathaname - * - ******************************************************************************/ -acpi_status -acpi_ns_build_external_path(struct acpi_namespace_node *node, - acpi_size size, char *name_buffer) -{ - acpi_size index; - struct acpi_namespace_node *parent_node; - - ACPI_FUNCTION_ENTRY(); - - /* Special case for root */ - - index = size - 1; - if (index < ACPI_NAME_SIZE) { - name_buffer[0] = AML_ROOT_PREFIX; - name_buffer[1] = 0; - return (AE_OK); - } - - /* Store terminator byte, then build name backwards */ - - parent_node = node; - name_buffer[index] = 0; - - while ((index > ACPI_NAME_SIZE) && (parent_node != acpi_gbl_root_node)) { - index -= ACPI_NAME_SIZE; - - /* Put the name into the buffer */ - - ACPI_MOVE_32_TO_32((name_buffer + index), &parent_node->name); - parent_node = parent_node->parent; - - /* Prefix name with the path separator */ - - index--; - name_buffer[index] = ACPI_PATH_SEPARATOR; - } - - /* Overwrite final separator with the root prefix character */ - - name_buffer[index] = AML_ROOT_PREFIX; - - if (index != 0) { - ACPI_ERROR((AE_INFO, - "Could not construct external pathname; index=%u, size=%u, Path=%s", - (u32) index, (u32) size, &name_buffer[size])); - - return (AE_BAD_PARAMETER); - } - - return (AE_OK); -} - -/******************************************************************************* - * * FUNCTION: acpi_ns_get_external_pathname * * PARAMETERS: node - Namespace node whose pathname is needed @@ -130,37 +63,13 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node, * for error and debug statements. * ******************************************************************************/ - char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node) { - acpi_status status; char *name_buffer; - acpi_size size; ACPI_FUNCTION_TRACE_PTR(ns_get_external_pathname, node); - /* Calculate required buffer size based on depth below root */ - - size = acpi_ns_get_pathname_length(node); - if (!size) { - return_PTR(NULL); - } - - /* Allocate a buffer to be returned to caller */ - - name_buffer = ACPI_ALLOCATE_ZEROED(size); - if (!name_buffer) { - ACPI_ERROR((AE_INFO, "Could not allocate %u bytes", (u32)size)); - return_PTR(NULL); - } - - /* Build the path in the allocated buffer */ - - status = acpi_ns_build_external_path(node, size, name_buffer); - if (ACPI_FAILURE(status)) { - ACPI_FREE(name_buffer); - return_PTR(NULL); - } + name_buffer = acpi_ns_get_normalized_pathname(node, FALSE); return_PTR(name_buffer); } @@ -180,33 +89,12 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node) acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node) { acpi_size size; - struct acpi_namespace_node *next_node; ACPI_FUNCTION_ENTRY(); - /* - * Compute length of pathname as 5 * number of name segments. - * Go back up the parent tree to the root - */ - size = 0; - next_node = node; + size = acpi_ns_build_normalized_path(node, NULL, 0, FALSE); - while (next_node && (next_node != acpi_gbl_root_node)) { - if (ACPI_GET_DESCRIPTOR_TYPE(next_node) != ACPI_DESC_TYPE_NAMED) { - ACPI_ERROR((AE_INFO, - "Invalid Namespace Node (%p) while traversing namespace", - next_node)); - return (0); - } - size += ACPI_PATH_SEGMENT_LENGTH; - next_node = next_node->parent; - } - - if (!size) { - size = 1; /* Root node case */ - } - - return (size + 1); /* +1 for null string terminator */ + return (size); } /******************************************************************************* @@ -216,6 +104,8 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node) * PARAMETERS: target_handle - Handle of named object whose name is * to be found * buffer - Where the pathname is returned + * no_trailing - Remove trailing '_' for each name + * segment * * RETURN: Status, Buffer is filled with pathname if status is AE_OK * @@ -225,7 +115,7 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node) acpi_status acpi_ns_handle_to_pathname(acpi_handle target_handle, - struct acpi_buffer * buffer) + struct acpi_buffer * buffer, u8 no_trailing) { acpi_status status; struct acpi_namespace_node *node; @@ -240,7 +130,8 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle, /* Determine size required for the caller buffer */ - required_size = acpi_ns_get_pathname_length(node); + required_size = + acpi_ns_build_normalized_path(node, NULL, 0, no_trailing); if (!required_size) { return_ACPI_STATUS(AE_BAD_PARAMETER); } @@ -254,8 +145,8 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle, /* Build the path in the caller buffer */ - status = - acpi_ns_build_external_path(node, required_size, buffer->pointer); + (void)acpi_ns_build_normalized_path(node, buffer->pointer, + required_size, no_trailing); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -264,3 +155,149 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle, (char *)buffer->pointer, (u32) required_size)); return_ACPI_STATUS(AE_OK); } + +/******************************************************************************* + * + * FUNCTION: acpi_ns_build_normalized_path + * + * PARAMETERS: node - Namespace node + * full_path - Where the path name is returned + * path_size - Size of returned path name buffer + * no_trailing - Remove trailing '_' from each name segment + * + * RETURN: Return 1 if the AML path is empty, otherwise returning (length + * of pathname + 1) which means the 'FullPath' contains a trailing + * null. + * + * DESCRIPTION: Build and return a full namespace pathname. + * Note that if the size of 'FullPath' isn't large enough to + * contain the namespace node's path name, the actual required + * buffer length is returned, and it should be greater than + * 'PathSize'. So callers are able to check the returning value + * to determine the buffer size of 'FullPath'. + * + ******************************************************************************/ + +u32 +acpi_ns_build_normalized_path(struct acpi_namespace_node *node, + char *full_path, u32 path_size, u8 no_trailing) +{ + u32 length = 0, i; + char name[ACPI_NAME_SIZE]; + u8 do_no_trailing; + char c, *left, *right; + struct acpi_namespace_node *next_node; + + ACPI_FUNCTION_TRACE_PTR(ns_build_normalized_path, node); + +#define ACPI_PATH_PUT8(path, size, byte, length) \ + do { \ + if ((length) < (size)) \ + { \ + (path)[(length)] = (byte); \ + } \ + (length)++; \ + } while (0) + + /* + * Make sure the path_size is correct, so that we don't need to + * validate both full_path and path_size. + */ + if (!full_path) { + path_size = 0; + } + + if (!node) { + goto build_trailing_null; + } + + next_node = node; + while (next_node && next_node != acpi_gbl_root_node) { + if (next_node != node) { + ACPI_PATH_PUT8(full_path, path_size, + AML_DUAL_NAME_PREFIX, length); + } + ACPI_MOVE_32_TO_32(name, &next_node->name); + do_no_trailing = no_trailing; + for (i = 0; i < 4; i++) { + c = name[4 - i - 1]; + if (do_no_trailing && c != '_') { + do_no_trailing = FALSE; + } + if (!do_no_trailing) { + ACPI_PATH_PUT8(full_path, path_size, c, length); + } + } + next_node = next_node->parent; + } + ACPI_PATH_PUT8(full_path, path_size, AML_ROOT_PREFIX, length); + + /* Reverse the path string */ + + if (length <= path_size) { + left = full_path; + right = full_path + length - 1; + while (left < right) { + c = *left; + *left++ = *right; + *right-- = c; + } + } + + /* Append the trailing null */ + +build_trailing_null: + ACPI_PATH_PUT8(full_path, path_size, '\0', length); + +#undef ACPI_PATH_PUT8 + + return_UINT32(length); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ns_get_normalized_pathname + * + * PARAMETERS: node - Namespace node whose pathname is needed + * no_trailing - Remove trailing '_' from each name segment + * + * RETURN: Pointer to storage containing the fully qualified name of + * the node, In external format (name segments separated by path + * separators.) + * + * DESCRIPTION: Used to obtain the full pathname to a namespace node, usually + * for error and debug statements. All trailing '_' will be + * removed from the full pathname if 'NoTrailing' is specified.. + * + ******************************************************************************/ + +char *acpi_ns_get_normalized_pathname(struct acpi_namespace_node *node, + u8 no_trailing) +{ + char *name_buffer; + acpi_size size; + + ACPI_FUNCTION_TRACE_PTR(ns_get_normalized_pathname, node); + + /* Calculate required buffer size based on depth below root */ + + size = acpi_ns_build_normalized_path(node, NULL, 0, no_trailing); + if (!size) { + return_PTR(NULL); + } + + /* Allocate a buffer to be returned to caller */ + + name_buffer = ACPI_ALLOCATE_ZEROED(size); + if (!name_buffer) { + ACPI_ERROR((AE_INFO, "Could not allocate %u bytes", (u32)size)); + return_PTR(NULL); + } + + /* Build the path in the allocated buffer */ + + (void)acpi_ns_build_normalized_path(node, name_buffer, size, + no_trailing); + + return_PTR(name_buffer); +} diff --git a/drivers/acpi/acpica/nsparse.c b/drivers/acpi/acpica/nsparse.c index 57a4cfe547e4..3736d43b18b9 100644 --- a/drivers/acpi/acpica/nsparse.c +++ b/drivers/acpi/acpica/nsparse.c @@ -70,7 +70,7 @@ acpi_ns_one_complete_parse(u32 pass_number, { union acpi_parse_object *parse_root; acpi_status status; - u32 aml_length; + u32 aml_length; u8 *aml_start; struct acpi_walk_state *walk_state; struct acpi_table_header *table; @@ -78,6 +78,20 @@ acpi_ns_one_complete_parse(u32 pass_number, ACPI_FUNCTION_TRACE(ns_one_complete_parse); + status = acpi_get_table_by_index(table_index, &table); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Table must consist of at least a complete header */ + + if (table->length < sizeof(struct acpi_table_header)) { + return_ACPI_STATUS(AE_BAD_HEADER); + } + + aml_start = (u8 *)table + sizeof(struct acpi_table_header); + aml_length = table->length - sizeof(struct acpi_table_header); + status = acpi_tb_get_owner_id(table_index, &owner_id); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); @@ -85,7 +99,7 @@ acpi_ns_one_complete_parse(u32 pass_number, /* Create and init a Root Node */ - parse_root = acpi_ps_create_scope_op(); + parse_root = acpi_ps_create_scope_op(aml_start); if (!parse_root) { return_ACPI_STATUS(AE_NO_MEMORY); } @@ -98,23 +112,12 @@ acpi_ns_one_complete_parse(u32 pass_number, return_ACPI_STATUS(AE_NO_MEMORY); } - status = acpi_get_table_by_index(table_index, &table); + status = acpi_ds_init_aml_walk(walk_state, parse_root, NULL, + aml_start, aml_length, NULL, + (u8)pass_number); if (ACPI_FAILURE(status)) { acpi_ds_delete_walk_state(walk_state); - acpi_ps_free_op(parse_root); - return_ACPI_STATUS(status); - } - - /* Table must consist of at least a complete header */ - - if (table->length < sizeof(struct acpi_table_header)) { - status = AE_BAD_HEADER; - } else { - aml_start = (u8 *) table + sizeof(struct acpi_table_header); - aml_length = table->length - sizeof(struct acpi_table_header); - status = acpi_ds_init_aml_walk(walk_state, parse_root, NULL, - aml_start, aml_length, NULL, - (u8) pass_number); + goto cleanup; } /* Found OSDT table, enable the namespace override feature */ @@ -124,11 +127,6 @@ acpi_ns_one_complete_parse(u32 pass_number, walk_state->namespace_override = TRUE; } - if (ACPI_FAILURE(status)) { - acpi_ds_delete_walk_state(walk_state); - goto cleanup; - } - /* start_node is the default location to load the table */ if (start_node && start_node != acpi_gbl_root_node) { diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c index 8d8104b8bd28..de325ae04ce1 100644 --- a/drivers/acpi/acpica/nsutils.c +++ b/drivers/acpi/acpica/nsutils.c @@ -83,7 +83,7 @@ acpi_ns_print_node_pathname(struct acpi_namespace_node *node, buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; - status = acpi_ns_handle_to_pathname(node, &buffer); + status = acpi_ns_handle_to_pathname(node, &buffer, TRUE); if (ACPI_SUCCESS(status)) { if (message) { acpi_os_printf("%s ", message); @@ -596,6 +596,23 @@ void acpi_ns_terminate(void) ACPI_FUNCTION_TRACE(ns_terminate); +#ifdef ACPI_EXEC_APP + { + union acpi_operand_object *prev; + union acpi_operand_object *next; + + /* Delete any module-level code blocks */ + + next = acpi_gbl_module_code_list; + while (next) { + prev = next; + next = next->method.mutex; + prev->method.mutex = NULL; /* Clear the Mutex (cheated) field */ + acpi_ut_remove_reference(prev); + } + } +#endif + /* * Free the entire namespace -- all nodes and all objects * attached to the nodes diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index 9ff643b9553f..4b4d2f43d406 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -172,11 +172,15 @@ acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer) return (status); } - if (name_type == ACPI_FULL_PATHNAME) { + if (name_type == ACPI_FULL_PATHNAME || + name_type == ACPI_FULL_PATHNAME_NO_TRAILING) { /* Get the full pathname (From the namespace root) */ - status = acpi_ns_handle_to_pathname(handle, buffer); + status = acpi_ns_handle_to_pathname(handle, buffer, + name_type == + ACPI_FULL_PATHNAME ? FALSE : + TRUE); return (status); } diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index 6d038770577b..29d8b7b01dca 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -287,7 +287,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, "Control Method - %p Desc %p Path=%p\n", node, method_desc, path)); - name_op = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP); + name_op = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP, start); if (!name_op) { return_ACPI_STATUS(AE_NO_MEMORY); } @@ -484,7 +484,7 @@ acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state, static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state *parser_state) { - u32 aml_offset; + u8 *aml; union acpi_parse_object *field; union acpi_parse_object *arg = NULL; u16 opcode; @@ -498,8 +498,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state ACPI_FUNCTION_TRACE(ps_get_next_field); - aml_offset = - (u32)ACPI_PTR_DIFF(parser_state->aml, parser_state->aml_start); + aml = parser_state->aml; /* Determine field type */ @@ -536,13 +535,11 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state /* Allocate a new field op */ - field = acpi_ps_alloc_op(opcode); + field = acpi_ps_alloc_op(opcode, aml); if (!field) { return_PTR(NULL); } - field->common.aml_offset = aml_offset; - /* Decode the field type */ switch (opcode) { @@ -604,6 +601,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state * Argument for Connection operator can be either a Buffer * (resource descriptor), or a name_string. */ + aml = parser_state->aml; if (ACPI_GET8(parser_state->aml) == AML_BUFFER_OP) { parser_state->aml++; @@ -616,7 +614,8 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state /* Non-empty list */ - arg = acpi_ps_alloc_op(AML_INT_BYTELIST_OP); + arg = + acpi_ps_alloc_op(AML_INT_BYTELIST_OP, aml); if (!arg) { acpi_ps_free_op(field); return_PTR(NULL); @@ -665,7 +664,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state parser_state->aml = pkg_end; } else { - arg = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP); + arg = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP, aml); if (!arg) { acpi_ps_free_op(field); return_PTR(NULL); @@ -730,7 +729,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, /* Constants, strings, and namestrings are all the same size */ - arg = acpi_ps_alloc_op(AML_BYTE_OP); + arg = acpi_ps_alloc_op(AML_BYTE_OP, parser_state->aml); if (!arg) { return_ACPI_STATUS(AE_NO_MEMORY); } @@ -777,7 +776,8 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, /* Non-empty list */ - arg = acpi_ps_alloc_op(AML_INT_BYTELIST_OP); + arg = acpi_ps_alloc_op(AML_INT_BYTELIST_OP, + parser_state->aml); if (!arg) { return_ACPI_STATUS(AE_NO_MEMORY); } @@ -807,7 +807,9 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, /* null_name or name_string */ - arg = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP); + arg = + acpi_ps_alloc_op(AML_INT_NAMEPATH_OP, + parser_state->aml); if (!arg) { return_ACPI_STATUS(AE_NO_MEMORY); } diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c index 90437227d790..03ac8c9a67ab 100644 --- a/drivers/acpi/acpica/psloop.c +++ b/drivers/acpi/acpica/psloop.c @@ -51,6 +51,7 @@ #include <acpi/acpi.h> #include "accommon.h" +#include "acinterp.h" #include "acparser.h" #include "acdispat.h" #include "amlcode.h" @@ -125,10 +126,7 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state, */ while (GET_CURRENT_ARG_TYPE(walk_state->arg_types) && !walk_state->arg_count) { - walk_state->aml_offset = - (u32) ACPI_PTR_DIFF(walk_state->parser_state.aml, - walk_state->parser_state. - aml_start); + walk_state->aml = walk_state->parser_state.aml; status = acpi_ps_get_next_arg(walk_state, @@ -140,7 +138,6 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state, } if (arg) { - arg->common.aml_offset = walk_state->aml_offset; acpi_ps_append_arg(op, arg); } @@ -324,6 +321,8 @@ acpi_ps_link_module_code(union acpi_parse_object *parent_op, union acpi_operand_object *method_obj; struct acpi_namespace_node *parent_node; + ACPI_FUNCTION_TRACE(ps_link_module_code); + /* Get the tail of the list */ prev = next = acpi_gbl_module_code_list; @@ -343,9 +342,13 @@ acpi_ps_link_module_code(union acpi_parse_object *parent_op, method_obj = acpi_ut_create_internal_object(ACPI_TYPE_METHOD); if (!method_obj) { - return; + return_VOID; } + ACPI_DEBUG_PRINT((ACPI_DB_PARSE, + "Create/Link new code block: %p\n", + method_obj)); + if (parent_op->common.node) { parent_node = parent_op->common.node; } else { @@ -370,8 +373,14 @@ acpi_ps_link_module_code(union acpi_parse_object *parent_op, prev->method.mutex = method_obj; } } else { + ACPI_DEBUG_PRINT((ACPI_DB_PARSE, + "Appending to existing code block: %p\n", + prev)); + prev->method.aml_length += aml_length; } + + return_VOID; } /******************************************************************************* @@ -494,16 +503,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state) continue; } - op->common.aml_offset = walk_state->aml_offset; - - if (walk_state->op_info) { - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "Opcode %4.4X [%s] Op %p Aml %p AmlOffset %5.5X\n", - (u32) op->common.aml_opcode, - walk_state->op_info->name, op, - parser_state->aml, - op->common.aml_offset)); - } + acpi_ex_start_trace_opcode(op, walk_state); } /* diff --git a/drivers/acpi/acpica/psobject.c b/drivers/acpi/acpica/psobject.c index 2f5ddd806c58..e54bc2aa7a88 100644 --- a/drivers/acpi/acpica/psobject.c +++ b/drivers/acpi/acpica/psobject.c @@ -66,12 +66,11 @@ static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state); static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state) { + u32 aml_offset; ACPI_FUNCTION_TRACE_PTR(ps_get_aml_opcode, walk_state); - walk_state->aml_offset = - (u32)ACPI_PTR_DIFF(walk_state->parser_state.aml, - walk_state->parser_state.aml_start); + walk_state->aml = walk_state->parser_state.aml; walk_state->opcode = acpi_ps_peek_opcode(&(walk_state->parser_state)); /* @@ -98,10 +97,14 @@ static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state) /* The opcode is unrecognized. Complain and skip unknown opcodes */ if (walk_state->pass_number == 2) { + aml_offset = (u32)ACPI_PTR_DIFF(walk_state->aml, + walk_state-> + parser_state.aml_start); + ACPI_ERROR((AE_INFO, "Unknown opcode 0x%.2X at table offset 0x%.4X, ignoring", walk_state->opcode, - (u32)(walk_state->aml_offset + + (u32)(aml_offset + sizeof(struct acpi_table_header)))); ACPI_DUMP_BUFFER((walk_state->parser_state.aml - 16), @@ -115,14 +118,14 @@ static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state) acpi_os_printf ("/*\nError: Unknown opcode 0x%.2X at table offset 0x%.4X, context:\n", walk_state->opcode, - (u32)(walk_state->aml_offset + + (u32)(aml_offset + sizeof(struct acpi_table_header))); /* Dump the context surrounding the invalid opcode */ acpi_ut_dump_buffer(((u8 *)walk_state->parser_state. aml - 16), 48, DB_BYTE_DISPLAY, - (walk_state->aml_offset + + (aml_offset + sizeof(struct acpi_table_header) - 16)); acpi_os_printf(" */\n"); @@ -294,7 +297,7 @@ acpi_ps_create_op(struct acpi_walk_state *walk_state, /* Create Op structure and append to parent's argument list */ walk_state->op_info = acpi_ps_get_opcode_info(walk_state->opcode); - op = acpi_ps_alloc_op(walk_state->opcode); + op = acpi_ps_alloc_op(walk_state->opcode, aml_op_start); if (!op) { return_ACPI_STATUS(AE_NO_MEMORY); } diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c index a555f7f7b9a2..98001d7f6f80 100644 --- a/drivers/acpi/acpica/psparse.c +++ b/drivers/acpi/acpica/psparse.c @@ -147,6 +147,8 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state, return_ACPI_STATUS(AE_OK); /* OK for now */ } + acpi_ex_stop_trace_opcode(op, walk_state); + /* Delete this op and the subtree below it if asked to */ if (((walk_state->parse_flags & ACPI_PARSE_TREE_MASK) != @@ -185,7 +187,8 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state, * op must be replaced by a placeholder return op */ replacement_op = - acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP); + acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP, + op->common.aml); if (!replacement_op) { status = AE_NO_MEMORY; } @@ -209,7 +212,8 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state, || (op->common.parent->common.aml_opcode == AML_VAR_PACKAGE_OP)) { replacement_op = - acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP); + acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP, + op->common.aml); if (!replacement_op) { status = AE_NO_MEMORY; } @@ -224,7 +228,8 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state, AML_VAR_PACKAGE_OP)) { replacement_op = acpi_ps_alloc_op(op->common. - aml_opcode); + aml_opcode, + op->common.aml); if (!replacement_op) { status = AE_NO_MEMORY; } else { @@ -240,7 +245,8 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state, default: replacement_op = - acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP); + acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP, + op->common.aml); if (!replacement_op) { status = AE_NO_MEMORY; } diff --git a/drivers/acpi/acpica/psutils.c b/drivers/acpi/acpica/psutils.c index 32440912023a..183cc1efbc51 100644 --- a/drivers/acpi/acpica/psutils.c +++ b/drivers/acpi/acpica/psutils.c @@ -60,11 +60,11 @@ ACPI_MODULE_NAME("psutils") * DESCRIPTION: Create a Scope and associated namepath op with the root name * ******************************************************************************/ -union acpi_parse_object *acpi_ps_create_scope_op(void) +union acpi_parse_object *acpi_ps_create_scope_op(u8 *aml) { union acpi_parse_object *scope_op; - scope_op = acpi_ps_alloc_op(AML_SCOPE_OP); + scope_op = acpi_ps_alloc_op(AML_SCOPE_OP, aml); if (!scope_op) { return (NULL); } @@ -103,6 +103,7 @@ void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode) * FUNCTION: acpi_ps_alloc_op * * PARAMETERS: opcode - Opcode that will be stored in the new Op + * aml - Address of the opcode * * RETURN: Pointer to the new Op, null on failure * @@ -112,7 +113,7 @@ void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode) * ******************************************************************************/ -union acpi_parse_object *acpi_ps_alloc_op(u16 opcode) +union acpi_parse_object *acpi_ps_alloc_op(u16 opcode, u8 *aml) { union acpi_parse_object *op; const struct acpi_opcode_info *op_info; @@ -149,6 +150,7 @@ union acpi_parse_object *acpi_ps_alloc_op(u16 opcode) if (op) { acpi_ps_init_op(op, opcode); + op->common.aml = aml; op->common.flags = flags; } diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c index 841a5ea06094..4254805dd319 100644 --- a/drivers/acpi/acpica/psxface.c +++ b/drivers/acpi/acpica/psxface.c @@ -47,15 +47,12 @@ #include "acdispat.h" #include "acinterp.h" #include "actables.h" +#include "acnamesp.h" #define _COMPONENT ACPI_PARSER ACPI_MODULE_NAME("psxface") /* Local Prototypes */ -static void acpi_ps_start_trace(struct acpi_evaluate_info *info); - -static void acpi_ps_stop_trace(struct acpi_evaluate_info *info); - static void acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action); @@ -76,7 +73,7 @@ acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action); ******************************************************************************/ acpi_status -acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags) +acpi_debug_trace(const char *name, u32 debug_level, u32 debug_layer, u32 flags) { acpi_status status; @@ -85,108 +82,14 @@ acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags) return (status); } - /* TBDs: Validate name, allow full path or just nameseg */ - - acpi_gbl_trace_method_name = *ACPI_CAST_PTR(u32, name); + acpi_gbl_trace_method_name = name; acpi_gbl_trace_flags = flags; - - if (debug_level) { - acpi_gbl_trace_dbg_level = debug_level; - } - if (debug_layer) { - acpi_gbl_trace_dbg_layer = debug_layer; - } + acpi_gbl_trace_dbg_level = debug_level; + acpi_gbl_trace_dbg_layer = debug_layer; + status = AE_OK; (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); - return (AE_OK); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ps_start_trace - * - * PARAMETERS: info - Method info struct - * - * RETURN: None - * - * DESCRIPTION: Start control method execution trace - * - ******************************************************************************/ - -static void acpi_ps_start_trace(struct acpi_evaluate_info *info) -{ - acpi_status status; - - ACPI_FUNCTION_ENTRY(); - - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - return; - } - - if ((!acpi_gbl_trace_method_name) || - (acpi_gbl_trace_method_name != info->node->name.integer)) { - goto exit; - } - - acpi_gbl_original_dbg_level = acpi_dbg_level; - acpi_gbl_original_dbg_layer = acpi_dbg_layer; - - acpi_dbg_level = 0x00FFFFFF; - acpi_dbg_layer = ACPI_UINT32_MAX; - - if (acpi_gbl_trace_dbg_level) { - acpi_dbg_level = acpi_gbl_trace_dbg_level; - } - if (acpi_gbl_trace_dbg_layer) { - acpi_dbg_layer = acpi_gbl_trace_dbg_layer; - } - -exit: - (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ps_stop_trace - * - * PARAMETERS: info - Method info struct - * - * RETURN: None - * - * DESCRIPTION: Stop control method execution trace - * - ******************************************************************************/ - -static void acpi_ps_stop_trace(struct acpi_evaluate_info *info) -{ - acpi_status status; - - ACPI_FUNCTION_ENTRY(); - - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - return; - } - - if ((!acpi_gbl_trace_method_name) || - (acpi_gbl_trace_method_name != info->node->name.integer)) { - goto exit; - } - - /* Disable further tracing if type is one-shot */ - - if (acpi_gbl_trace_flags & 1) { - acpi_gbl_trace_method_name = 0; - acpi_gbl_trace_dbg_level = 0; - acpi_gbl_trace_dbg_layer = 0; - } - - acpi_dbg_level = acpi_gbl_original_dbg_level; - acpi_dbg_layer = acpi_gbl_original_dbg_layer; - -exit: - (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + return (status); } /******************************************************************************* @@ -212,7 +115,7 @@ exit: * ******************************************************************************/ -acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) +acpi_status acpi_ps_execute_method(struct acpi_evaluate_info * info) { acpi_status status; union acpi_parse_object *op; @@ -243,10 +146,6 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) */ acpi_ps_update_parameter_list(info, REF_INCREMENT); - /* Begin tracing if requested */ - - acpi_ps_start_trace(info); - /* * Execute the method. Performs parse simultaneously */ @@ -256,7 +155,7 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) /* Create and init a Root Node */ - op = acpi_ps_create_scope_op(); + op = acpi_ps_create_scope_op(info->obj_desc->method.aml_start); if (!op) { status = AE_NO_MEMORY; goto cleanup; @@ -326,10 +225,6 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) cleanup: acpi_ps_delete_parse_tree(op); - /* End optional tracing */ - - acpi_ps_stop_trace(info); - /* Take away the extra reference that we gave the parameters above */ acpi_ps_update_parameter_list(info, REF_DECREMENT); diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c index 3fa829e96c2a..a5344428f3ae 100644 --- a/drivers/acpi/acpica/rscreate.c +++ b/drivers/acpi/acpica/rscreate.c @@ -348,7 +348,8 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, status = acpi_ns_handle_to_pathname((acpi_handle) node, - &path_buffer); + &path_buffer, + FALSE); /* +1 to include null terminator */ diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c index 6253001b6375..455a0700db39 100644 --- a/drivers/acpi/acpica/tbfadt.c +++ b/drivers/acpi/acpica/tbfadt.c @@ -345,7 +345,7 @@ void acpi_tb_parse_fadt(u32 table_index) /* Obtain the DSDT and FACS tables via their addresses within the FADT */ acpi_tb_install_fixed_table((acpi_physical_address) acpi_gbl_FADT.Xdsdt, - ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT); + ACPI_SIG_DSDT, &acpi_gbl_dsdt_index); /* If Hardware Reduced flag is set, there is no FACS */ @@ -354,13 +354,13 @@ void acpi_tb_parse_fadt(u32 table_index) acpi_tb_install_fixed_table((acpi_physical_address) acpi_gbl_FADT.facs, ACPI_SIG_FACS, - ACPI_TABLE_INDEX_FACS); + &acpi_gbl_facs_index); } if (acpi_gbl_FADT.Xfacs) { acpi_tb_install_fixed_table((acpi_physical_address) acpi_gbl_FADT.Xfacs, ACPI_SIG_FACS, - ACPI_TABLE_INDEX_X_FACS); + &acpi_gbl_xfacs_index); } } } diff --git a/drivers/acpi/acpica/tbfind.c b/drivers/acpi/acpica/tbfind.c index 119c84ad9833..405529d49a1a 100644 --- a/drivers/acpi/acpica/tbfind.c +++ b/drivers/acpi/acpica/tbfind.c @@ -68,12 +68,25 @@ acpi_status acpi_tb_find_table(char *signature, char *oem_id, char *oem_table_id, u32 *table_index) { - u32 i; acpi_status status; struct acpi_table_header header; + u32 i; ACPI_FUNCTION_TRACE(tb_find_table); + /* Validate the input table signature */ + + if (!acpi_is_valid_signature(signature)) { + return_ACPI_STATUS(AE_BAD_SIGNATURE); + } + + /* Don't allow the OEM strings to be too long */ + + if ((strlen(oem_id) > ACPI_OEM_ID_SIZE) || + (strlen(oem_table_id) > ACPI_OEM_TABLE_ID_SIZE)) { + return_ACPI_STATUS(AE_AML_STRING_LIMIT); + } + /* Normalize the input strings */ memset(&header, 0, sizeof(struct acpi_table_header)); diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index 15ea98e0068d..6319b42420c6 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -100,9 +100,9 @@ acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index) * * FUNCTION: acpi_tb_install_table_with_override * - * PARAMETERS: table_index - Index into root table array - * new_table_desc - New table descriptor to install + * PARAMETERS: new_table_desc - New table descriptor to install * override - Whether override should be performed + * table_index - Where the table index is returned * * RETURN: None * @@ -114,12 +114,14 @@ acpi_tb_compare_tables(struct acpi_table_desc *table_desc, u32 table_index) ******************************************************************************/ void -acpi_tb_install_table_with_override(u32 table_index, - struct acpi_table_desc *new_table_desc, - u8 override) +acpi_tb_install_table_with_override(struct acpi_table_desc *new_table_desc, + u8 override, u32 *table_index) { + u32 i; + acpi_status status; - if (table_index >= acpi_gbl_root_table_list.current_table_count) { + status = acpi_tb_get_next_table_descriptor(&i, NULL); + if (ACPI_FAILURE(status)) { return; } @@ -134,8 +136,7 @@ acpi_tb_install_table_with_override(u32 table_index, acpi_tb_override_table(new_table_desc); } - acpi_tb_init_table_descriptor(&acpi_gbl_root_table_list. - tables[table_index], + acpi_tb_init_table_descriptor(&acpi_gbl_root_table_list.tables[i], new_table_desc->address, new_table_desc->flags, new_table_desc->pointer); @@ -143,9 +144,13 @@ acpi_tb_install_table_with_override(u32 table_index, acpi_tb_print_table_header(new_table_desc->address, new_table_desc->pointer); + /* This synchronizes acpi_gbl_dsdt_index */ + + *table_index = i; + /* Set the global integer width (based upon revision of the DSDT) */ - if (table_index == ACPI_TABLE_INDEX_DSDT) { + if (i == acpi_gbl_dsdt_index) { acpi_ut_set_integer_width(new_table_desc->pointer->revision); } } @@ -157,7 +162,7 @@ acpi_tb_install_table_with_override(u32 table_index, * PARAMETERS: address - Physical address of DSDT or FACS * signature - Table signature, NULL if no need to * match - * table_index - Index into root table array + * table_index - Where the table index is returned * * RETURN: Status * @@ -168,7 +173,7 @@ acpi_tb_install_table_with_override(u32 table_index, acpi_status acpi_tb_install_fixed_table(acpi_physical_address address, - char *signature, u32 table_index) + char *signature, u32 *table_index) { struct acpi_table_desc new_table_desc; acpi_status status; @@ -200,7 +205,9 @@ acpi_tb_install_fixed_table(acpi_physical_address address, goto release_and_exit; } - acpi_tb_install_table_with_override(table_index, &new_table_desc, TRUE); + /* Add the table to the global root table list */ + + acpi_tb_install_table_with_override(&new_table_desc, TRUE, table_index); release_and_exit: @@ -355,13 +362,8 @@ acpi_tb_install_standard_table(acpi_physical_address address, /* Add the table to the global root table list */ - status = acpi_tb_get_next_table_descriptor(&i, NULL); - if (ACPI_FAILURE(status)) { - goto release_and_exit; - } - - *table_index = i; - acpi_tb_install_table_with_override(i, &new_table_desc, override); + acpi_tb_install_table_with_override(&new_table_desc, override, + table_index); release_and_exit: diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 568ac0e4a3c6..4337990127cc 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -68,28 +68,27 @@ acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size); acpi_status acpi_tb_initialize_facs(void) { + struct acpi_table_facs *facs; /* If Hardware Reduced flag is set, there is no FACS */ if (acpi_gbl_reduced_hardware) { acpi_gbl_FACS = NULL; return (AE_OK); - } - - (void)acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS, - ACPI_CAST_INDIRECT_PTR(struct - acpi_table_header, - &acpi_gbl_facs32)); - (void)acpi_get_table_by_index(ACPI_TABLE_INDEX_X_FACS, - ACPI_CAST_INDIRECT_PTR(struct - acpi_table_header, - &acpi_gbl_facs64)); - - if (acpi_gbl_facs64 - && (!acpi_gbl_facs32 || !acpi_gbl_use32_bit_facs_addresses)) { - acpi_gbl_FACS = acpi_gbl_facs64; - } else if (acpi_gbl_facs32) { - acpi_gbl_FACS = acpi_gbl_facs32; + } else if (acpi_gbl_FADT.Xfacs && + (!acpi_gbl_FADT.facs + || !acpi_gbl_use32_bit_facs_addresses)) { + (void)acpi_get_table_by_index(acpi_gbl_xfacs_index, + ACPI_CAST_INDIRECT_PTR(struct + acpi_table_header, + &facs)); + acpi_gbl_FACS = facs; + } else if (acpi_gbl_FADT.facs) { + (void)acpi_get_table_by_index(acpi_gbl_facs_index, + ACPI_CAST_INDIRECT_PTR(struct + acpi_table_header, + &facs)); + acpi_gbl_FACS = facs; } /* If there is no FACS, just continue. There was already an error msg */ @@ -192,7 +191,7 @@ struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index) acpi_tb_uninstall_table(table_desc); acpi_tb_init_table_descriptor(&acpi_gbl_root_table_list. - tables[ACPI_TABLE_INDEX_DSDT], + tables[acpi_gbl_dsdt_index], ACPI_PTR_TO_PHYSADDR(new_table), ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL, new_table); @@ -369,13 +368,6 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address) table_entry_size); table_entry = ACPI_ADD_PTR(u8, table, sizeof(struct acpi_table_header)); - /* - * First three entries in the table array are reserved for the DSDT - * and 32bit/64bit FACS, which are not actually present in the - * RSDT/XSDT - they come from the FADT - */ - acpi_gbl_root_table_list.current_table_count = 3; - /* Initialize the root table array from the RSDT/XSDT */ for (i = 0; i < table_count; i++) { @@ -412,3 +404,36 @@ next_table: return_ACPI_STATUS(AE_OK); } + +/******************************************************************************* + * + * FUNCTION: acpi_is_valid_signature + * + * PARAMETERS: signature - Sig string to be validated + * + * RETURN: TRUE if signature is correct length and has valid characters + * + * DESCRIPTION: Validate an ACPI table signature. + * + ******************************************************************************/ + +u8 acpi_is_valid_signature(char *signature) +{ + u32 i; + + /* Validate the signature length */ + + if (strlen(signature) != ACPI_NAME_SIZE) { + return (FALSE); + } + + /* Validate each character in the signature */ + + for (i = 0; i < ACPI_NAME_SIZE; i++) { + if (!acpi_ut_valid_acpi_char(signature[i], i)) { + return (FALSE); + } + } + + return (TRUE); +} diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c index 9682d40ca6ff..55ee14ca9418 100644 --- a/drivers/acpi/acpica/tbxfload.c +++ b/drivers/acpi/acpica/tbxfload.c @@ -51,9 +51,6 @@ #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME("tbxfload") -/* Local prototypes */ -static acpi_status acpi_tb_load_namespace(void); - /******************************************************************************* * * FUNCTION: acpi_load_tables @@ -65,7 +62,6 @@ static acpi_status acpi_tb_load_namespace(void); * DESCRIPTION: Load the ACPI tables from the RSDT/XSDT * ******************************************************************************/ - acpi_status __init acpi_load_tables(void) { acpi_status status; @@ -75,6 +71,13 @@ acpi_status __init acpi_load_tables(void) /* Load the namespace from the tables */ status = acpi_tb_load_namespace(); + + /* Don't let single failures abort the load */ + + if (status == AE_CTRL_TERMINATE) { + status = AE_OK; + } + if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "While loading namespace from ACPI tables")); @@ -97,11 +100,14 @@ ACPI_EXPORT_SYMBOL_INIT(acpi_load_tables) * the RSDT/XSDT. * ******************************************************************************/ -static acpi_status acpi_tb_load_namespace(void) +acpi_status acpi_tb_load_namespace(void) { acpi_status status; u32 i; struct acpi_table_header *new_dsdt; + struct acpi_table_desc *table; + u32 tables_loaded = 0; + u32 tables_failed = 0; ACPI_FUNCTION_TRACE(tb_load_namespace); @@ -111,15 +117,11 @@ static acpi_status acpi_tb_load_namespace(void) * Load the namespace. The DSDT is required, but any SSDT and * PSDT tables are optional. Verify the DSDT. */ + table = &acpi_gbl_root_table_list.tables[acpi_gbl_dsdt_index]; + if (!acpi_gbl_root_table_list.current_table_count || - !ACPI_COMPARE_NAME(& - (acpi_gbl_root_table_list. - tables[ACPI_TABLE_INDEX_DSDT].signature), - ACPI_SIG_DSDT) - || - ACPI_FAILURE(acpi_tb_validate_table - (&acpi_gbl_root_table_list. - tables[ACPI_TABLE_INDEX_DSDT]))) { + !ACPI_COMPARE_NAME(table->signature.ascii, ACPI_SIG_DSDT) || + ACPI_FAILURE(acpi_tb_validate_table(table))) { status = AE_NO_ACPI_TABLES; goto unlock_and_exit; } @@ -130,8 +132,7 @@ static acpi_status acpi_tb_load_namespace(void) * array can change dynamically as tables are loaded at run-time. Note: * .Pointer field is not validated until after call to acpi_tb_validate_table. */ - acpi_gbl_DSDT = - acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].pointer; + acpi_gbl_DSDT = table->pointer; /* * Optionally copy the entire DSDT to local memory (instead of simply @@ -140,7 +141,7 @@ static acpi_status acpi_tb_load_namespace(void) * the DSDT. */ if (acpi_gbl_copy_dsdt_locally) { - new_dsdt = acpi_tb_copy_dsdt(ACPI_TABLE_INDEX_DSDT); + new_dsdt = acpi_tb_copy_dsdt(acpi_gbl_dsdt_index); if (new_dsdt) { acpi_gbl_DSDT = new_dsdt; } @@ -157,41 +158,65 @@ static acpi_status acpi_tb_load_namespace(void) /* Load and parse tables */ - status = acpi_ns_load_table(ACPI_TABLE_INDEX_DSDT, acpi_gbl_root_node); + status = acpi_ns_load_table(acpi_gbl_dsdt_index, acpi_gbl_root_node); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + ACPI_EXCEPTION((AE_INFO, status, "[DSDT] table load failed")); + tables_failed++; + } else { + tables_loaded++; } /* Load any SSDT or PSDT tables. Note: Loop leaves tables locked */ (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) { + table = &acpi_gbl_root_table_list.tables[i]; + if (!acpi_gbl_root_table_list.tables[i].address || - (!ACPI_COMPARE_NAME - (&(acpi_gbl_root_table_list.tables[i].signature), - ACPI_SIG_SSDT) - && - !ACPI_COMPARE_NAME(& - (acpi_gbl_root_table_list.tables[i]. - signature), ACPI_SIG_PSDT) - && - !ACPI_COMPARE_NAME(& - (acpi_gbl_root_table_list.tables[i]. - signature), ACPI_SIG_OSDT)) - || - ACPI_FAILURE(acpi_tb_validate_table - (&acpi_gbl_root_table_list.tables[i]))) { + (!ACPI_COMPARE_NAME(table->signature.ascii, ACPI_SIG_SSDT) + && !ACPI_COMPARE_NAME(table->signature.ascii, + ACPI_SIG_PSDT) + && !ACPI_COMPARE_NAME(table->signature.ascii, + ACPI_SIG_OSDT)) + || ACPI_FAILURE(acpi_tb_validate_table(table))) { continue; } /* Ignore errors while loading tables, get as many as possible */ (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - (void)acpi_ns_load_table(i, acpi_gbl_root_node); + status = acpi_ns_load_table(i, acpi_gbl_root_node); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, + "(%4.4s:%8.8s) while loading table", + table->signature.ascii, + table->pointer->oem_table_id)); + tables_failed++; + + ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, + "Table [%4.4s:%8.8s] (id FF) - Table namespace load failed\n\n", + table->signature.ascii, + table->pointer->oem_table_id)); + } else { + tables_loaded++; + } + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); } - ACPI_INFO((AE_INFO, "All ACPI Tables successfully acquired")); + if (!tables_failed) { + ACPI_INFO((AE_INFO, + "%u ACPI AML tables successfully acquired and loaded", + tables_loaded)); + } else { + ACPI_ERROR((AE_INFO, + "%u table load failures, %u successful", + tables_failed, tables_loaded)); + + /* Indicate at least one failure */ + + status = AE_CTRL_TERMINATE; + } unlock_and_exit: (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c index cd02693841db..4146229103c8 100644 --- a/drivers/acpi/acpica/utdebug.c +++ b/drivers/acpi/acpica/utdebug.c @@ -45,6 +45,7 @@ #include <acpi/acpi.h> #include "accommon.h" +#include "acinterp.h" #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("utdebug") @@ -560,8 +561,37 @@ acpi_ut_ptr_exit(u32 line_number, } } +/******************************************************************************* + * + * FUNCTION: acpi_trace_point + * + * PARAMETERS: type - Trace event type + * begin - TRUE if before execution + * aml - Executed AML address + * pathname - Object path + * pointer - Pointer to the related object + * + * RETURN: None + * + * DESCRIPTION: Interpreter execution trace. + * + ******************************************************************************/ + +void +acpi_trace_point(acpi_trace_event_type type, u8 begin, u8 *aml, char *pathname) +{ + + ACPI_FUNCTION_ENTRY(); + + acpi_ex_trace_point(type, begin, aml, pathname); + +#ifdef ACPI_USE_SYSTEM_TRACER + acpi_os_trace_point(type, begin, aml, pathname); #endif +} +ACPI_EXPORT_SYMBOL(acpi_trace_point) +#endif #ifdef ACPI_APPLICATION /******************************************************************************* * @@ -575,7 +605,6 @@ acpi_ut_ptr_exit(u32 line_number, * DESCRIPTION: Print error message to the console, used by applications. * ******************************************************************************/ - void ACPI_INTERNAL_VAR_XFACE acpi_log_error(const char *format, ...) { va_list args; diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c index 71fce389fd48..1638312e3d8f 100644 --- a/drivers/acpi/acpica/utdelete.c +++ b/drivers/acpi/acpica/utdelete.c @@ -209,6 +209,9 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) acpi_ut_delete_object_desc(object->method.mutex); object->method.mutex = NULL; } + if (object->method.node) { + object->method.node = NULL; + } break; case ACPI_TYPE_REGION: diff --git a/drivers/acpi/acpica/utfileio.c b/drivers/acpi/acpica/utfileio.c index 857af824337b..75a94f52b4be 100644 --- a/drivers/acpi/acpica/utfileio.c +++ b/drivers/acpi/acpica/utfileio.c @@ -312,7 +312,7 @@ acpi_ut_read_table_from_file(char *filename, struct acpi_table_header ** table) /* Get the entire file */ fprintf(stderr, - "Reading ACPI table from file %10s - Length %.8u (0x%06X)\n", + "Reading ACPI table from file %12s - Length %.8u (0x%06X)\n", filename, file_size, file_size); status = acpi_ut_read_table(file, table, &table_length); diff --git a/drivers/acpi/acpica/utinit.c b/drivers/acpi/acpica/utinit.c index e402e07b4846..28ab3a1d5ec1 100644 --- a/drivers/acpi/acpica/utinit.c +++ b/drivers/acpi/acpica/utinit.c @@ -204,11 +204,10 @@ acpi_status acpi_ut_init_globals(void) acpi_gbl_acpi_hardware_present = TRUE; acpi_gbl_last_owner_id_index = 0; acpi_gbl_next_owner_id_offset = 0; - acpi_gbl_trace_dbg_level = 0; - acpi_gbl_trace_dbg_layer = 0; acpi_gbl_debugger_configuration = DEBUGGER_THREADING; acpi_gbl_osi_mutex = NULL; acpi_gbl_reg_methods_executed = FALSE; + acpi_gbl_max_loop_iterations = 0xFFFF; /* Hardware oriented */ diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c index 71b66537f826..bd4443bdcbad 100644 --- a/drivers/acpi/acpica/utmisc.c +++ b/drivers/acpi/acpica/utmisc.c @@ -75,7 +75,7 @@ u8 acpi_ut_is_pci_root_bridge(char *id) return (FALSE); } -#if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP) +#if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_NAMES_APP) /******************************************************************************* * * FUNCTION: acpi_ut_is_aml_table @@ -376,7 +376,7 @@ acpi_ut_display_init_pathname(u8 type, /* Get the full pathname to the node */ buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; - status = acpi_ns_handle_to_pathname(obj_handle, &buffer); + status = acpi_ns_handle_to_pathname(obj_handle, &buffer, TRUE); if (ACPI_FAILURE(status)) { return; } diff --git a/drivers/acpi/acpica/utnonansi.c b/drivers/acpi/acpica/utnonansi.c new file mode 100644 index 000000000000..1d5f6b17b766 --- /dev/null +++ b/drivers/acpi/acpica/utnonansi.c @@ -0,0 +1,380 @@ +/******************************************************************************* + * + * Module Name: utnonansi - Non-ansi C library functions + * + ******************************************************************************/ + +/* + * Copyright (C) 2000 - 2015, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" + +#define _COMPONENT ACPI_UTILITIES +ACPI_MODULE_NAME("utnonansi") + +/* + * Non-ANSI C library functions - strlwr, strupr, stricmp, and a 64-bit + * version of strtoul. + */ +/******************************************************************************* + * + * FUNCTION: acpi_ut_strlwr (strlwr) + * + * PARAMETERS: src_string - The source string to convert + * + * RETURN: None + * + * DESCRIPTION: Convert a string to lowercase + * + ******************************************************************************/ +void acpi_ut_strlwr(char *src_string) +{ + char *string; + + ACPI_FUNCTION_ENTRY(); + + if (!src_string) { + return; + } + + /* Walk entire string, lowercasing the letters */ + + for (string = src_string; *string; string++) { + *string = (char)tolower((int)*string); + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strupr (strupr) + * + * PARAMETERS: src_string - The source string to convert + * + * RETURN: None + * + * DESCRIPTION: Convert a string to uppercase + * + ******************************************************************************/ + +void acpi_ut_strupr(char *src_string) +{ + char *string; + + ACPI_FUNCTION_ENTRY(); + + if (!src_string) { + return; + } + + /* Walk entire string, uppercasing the letters */ + + for (string = src_string; *string; string++) { + *string = (char)toupper((int)*string); + } +} + +/****************************************************************************** + * + * FUNCTION: acpi_ut_stricmp (stricmp) + * + * PARAMETERS: string1 - first string to compare + * string2 - second string to compare + * + * RETURN: int that signifies string relationship. Zero means strings + * are equal. + * + * DESCRIPTION: Case-insensitive string compare. Implementation of the + * non-ANSI stricmp function. + * + ******************************************************************************/ + +int acpi_ut_stricmp(char *string1, char *string2) +{ + int c1; + int c2; + + do { + c1 = tolower((int)*string1); + c2 = tolower((int)*string2); + + string1++; + string2++; + } + while ((c1 == c2) && (c1)); + + return (c1 - c2); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strtoul64 + * + * PARAMETERS: string - Null terminated string + * base - Radix of the string: 16 or ACPI_ANY_BASE; + * ACPI_ANY_BASE means 'in behalf of to_integer' + * ret_integer - Where the converted integer is returned + * + * RETURN: Status and Converted value + * + * DESCRIPTION: Convert a string into an unsigned value. Performs either a + * 32-bit or 64-bit conversion, depending on the current mode + * of the interpreter. + * + * NOTE: Does not support Octal strings, not needed. + * + ******************************************************************************/ + +acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) +{ + u32 this_digit = 0; + u64 return_value = 0; + u64 quotient; + u64 dividend; + u32 to_integer_op = (base == ACPI_ANY_BASE); + u32 mode32 = (acpi_gbl_integer_byte_width == 4); + u8 valid_digits = 0; + u8 sign_of0x = 0; + u8 term = 0; + + ACPI_FUNCTION_TRACE_STR(ut_stroul64, string); + + switch (base) { + case ACPI_ANY_BASE: + case 16: + + break; + + default: + + /* Invalid Base */ + + return_ACPI_STATUS(AE_BAD_PARAMETER); + } + + if (!string) { + goto error_exit; + } + + /* Skip over any white space in the buffer */ + + while ((*string) && (isspace((int)*string) || *string == '\t')) { + string++; + } + + if (to_integer_op) { + /* + * Base equal to ACPI_ANY_BASE means 'ToInteger operation case'. + * We need to determine if it is decimal or hexadecimal. + */ + if ((*string == '0') && (tolower((int)*(string + 1)) == 'x')) { + sign_of0x = 1; + base = 16; + + /* Skip over the leading '0x' */ + string += 2; + } else { + base = 10; + } + } + + /* Any string left? Check that '0x' is not followed by white space. */ + + if (!(*string) || isspace((int)*string) || *string == '\t') { + if (to_integer_op) { + goto error_exit; + } else { + goto all_done; + } + } + + /* + * Perform a 32-bit or 64-bit conversion, depending upon the current + * execution mode of the interpreter + */ + dividend = (mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX; + + /* Main loop: convert the string to a 32- or 64-bit integer */ + + while (*string) { + if (isdigit((int)*string)) { + + /* Convert ASCII 0-9 to Decimal value */ + + this_digit = ((u8)*string) - '0'; + } else if (base == 10) { + + /* Digit is out of range; possible in to_integer case only */ + + term = 1; + } else { + this_digit = (u8)toupper((int)*string); + if (isxdigit((int)this_digit)) { + + /* Convert ASCII Hex char to value */ + + this_digit = this_digit - 'A' + 10; + } else { + term = 1; + } + } + + if (term) { + if (to_integer_op) { + goto error_exit; + } else { + break; + } + } else if ((valid_digits == 0) && (this_digit == 0) + && !sign_of0x) { + + /* Skip zeros */ + string++; + continue; + } + + valid_digits++; + + if (sign_of0x + && ((valid_digits > 16) + || ((valid_digits > 8) && mode32))) { + /* + * This is to_integer operation case. + * No any restrictions for string-to-integer conversion, + * see ACPI spec. + */ + goto error_exit; + } + + /* Divide the digit into the correct position */ + + (void)acpi_ut_short_divide((dividend - (u64)this_digit), + base, "ient, NULL); + + if (return_value > quotient) { + if (to_integer_op) { + goto error_exit; + } else { + break; + } + } + + return_value *= base; + return_value += this_digit; + string++; + } + + /* All done, normal exit */ + +all_done: + + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n", + ACPI_FORMAT_UINT64(return_value))); + + *ret_integer = return_value; + return_ACPI_STATUS(AE_OK); + +error_exit: + /* Base was set/validated above */ + + if (base == 10) { + return_ACPI_STATUS(AE_BAD_DECIMAL_CONSTANT); + } else { + return_ACPI_STATUS(AE_BAD_HEX_CONSTANT); + } +} + +#if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) +/******************************************************************************* + * + * FUNCTION: acpi_ut_safe_strcpy, acpi_ut_safe_strcat, acpi_ut_safe_strncat + * + * PARAMETERS: Adds a "DestSize" parameter to each of the standard string + * functions. This is the size of the Destination buffer. + * + * RETURN: TRUE if the operation would overflow the destination buffer. + * + * DESCRIPTION: Safe versions of standard Clib string functions. Ensure that + * the result of the operation will not overflow the output string + * buffer. + * + * NOTE: These functions are typically only helpful for processing + * user input and command lines. For most ACPICA code, the + * required buffer length is precisely calculated before buffer + * allocation, so the use of these functions is unnecessary. + * + ******************************************************************************/ + +u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source) +{ + + if (strlen(source) >= dest_size) { + return (TRUE); + } + + strcpy(dest, source); + return (FALSE); +} + +u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source) +{ + + if ((strlen(dest) + strlen(source)) >= dest_size) { + return (TRUE); + } + + strcat(dest, source); + return (FALSE); +} + +u8 +acpi_ut_safe_strncat(char *dest, + acpi_size dest_size, + char *source, acpi_size max_transfer_length) +{ + acpi_size actual_transfer_length; + + actual_transfer_length = ACPI_MIN(max_transfer_length, strlen(source)); + + if ((strlen(dest) + actual_transfer_length) >= dest_size) { + return (TRUE); + } + + strncat(dest, source, max_transfer_length); + return (FALSE); +} +#endif diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c index 8f3c883dfe0e..4ddd105d9741 100644 --- a/drivers/acpi/acpica/utstring.c +++ b/drivers/acpi/acpica/utstring.c @@ -48,286 +48,6 @@ #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("utstring") -/* - * Non-ANSI C library functions - strlwr, strupr, stricmp, and a 64-bit - * version of strtoul. - */ -#ifdef ACPI_ASL_COMPILER -/******************************************************************************* - * - * FUNCTION: acpi_ut_strlwr (strlwr) - * - * PARAMETERS: src_string - The source string to convert - * - * RETURN: None - * - * DESCRIPTION: Convert string to lowercase - * - * NOTE: This is not a POSIX function, so it appears here, not in utclib.c - * - ******************************************************************************/ -void acpi_ut_strlwr(char *src_string) -{ - char *string; - - ACPI_FUNCTION_ENTRY(); - - if (!src_string) { - return; - } - - /* Walk entire string, lowercasing the letters */ - - for (string = src_string; *string; string++) { - *string = (char)tolower((int)*string); - } - - return; -} - -/****************************************************************************** - * - * FUNCTION: acpi_ut_stricmp (stricmp) - * - * PARAMETERS: string1 - first string to compare - * string2 - second string to compare - * - * RETURN: int that signifies string relationship. Zero means strings - * are equal. - * - * DESCRIPTION: Implementation of the non-ANSI stricmp function (compare - * strings with no case sensitivity) - * - ******************************************************************************/ - -int acpi_ut_stricmp(char *string1, char *string2) -{ - int c1; - int c2; - - do { - c1 = tolower((int)*string1); - c2 = tolower((int)*string2); - - string1++; - string2++; - } - while ((c1 == c2) && (c1)); - - return (c1 - c2); -} -#endif - -/******************************************************************************* - * - * FUNCTION: acpi_ut_strupr (strupr) - * - * PARAMETERS: src_string - The source string to convert - * - * RETURN: None - * - * DESCRIPTION: Convert string to uppercase - * - * NOTE: This is not a POSIX function, so it appears here, not in utclib.c - * - ******************************************************************************/ - -void acpi_ut_strupr(char *src_string) -{ - char *string; - - ACPI_FUNCTION_ENTRY(); - - if (!src_string) { - return; - } - - /* Walk entire string, uppercasing the letters */ - - for (string = src_string; *string; string++) { - *string = (char)toupper((int)*string); - } - - return; -} - -/******************************************************************************* - * - * FUNCTION: acpi_ut_strtoul64 - * - * PARAMETERS: string - Null terminated string - * base - Radix of the string: 16 or ACPI_ANY_BASE; - * ACPI_ANY_BASE means 'in behalf of to_integer' - * ret_integer - Where the converted integer is returned - * - * RETURN: Status and Converted value - * - * DESCRIPTION: Convert a string into an unsigned value. Performs either a - * 32-bit or 64-bit conversion, depending on the current mode - * of the interpreter. - * NOTE: Does not support Octal strings, not needed. - * - ******************************************************************************/ - -acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) -{ - u32 this_digit = 0; - u64 return_value = 0; - u64 quotient; - u64 dividend; - u32 to_integer_op = (base == ACPI_ANY_BASE); - u32 mode32 = (acpi_gbl_integer_byte_width == 4); - u8 valid_digits = 0; - u8 sign_of0x = 0; - u8 term = 0; - - ACPI_FUNCTION_TRACE_STR(ut_stroul64, string); - - switch (base) { - case ACPI_ANY_BASE: - case 16: - - break; - - default: - - /* Invalid Base */ - - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - if (!string) { - goto error_exit; - } - - /* Skip over any white space in the buffer */ - - while ((*string) && (isspace((int)*string) || *string == '\t')) { - string++; - } - - if (to_integer_op) { - /* - * Base equal to ACPI_ANY_BASE means 'ToInteger operation case'. - * We need to determine if it is decimal or hexadecimal. - */ - if ((*string == '0') && (tolower((int)*(string + 1)) == 'x')) { - sign_of0x = 1; - base = 16; - - /* Skip over the leading '0x' */ - string += 2; - } else { - base = 10; - } - } - - /* Any string left? Check that '0x' is not followed by white space. */ - - if (!(*string) || isspace((int)*string) || *string == '\t') { - if (to_integer_op) { - goto error_exit; - } else { - goto all_done; - } - } - - /* - * Perform a 32-bit or 64-bit conversion, depending upon the current - * execution mode of the interpreter - */ - dividend = (mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX; - - /* Main loop: convert the string to a 32- or 64-bit integer */ - - while (*string) { - if (isdigit((int)*string)) { - - /* Convert ASCII 0-9 to Decimal value */ - - this_digit = ((u8)*string) - '0'; - } else if (base == 10) { - - /* Digit is out of range; possible in to_integer case only */ - - term = 1; - } else { - this_digit = (u8)toupper((int)*string); - if (isxdigit((int)this_digit)) { - - /* Convert ASCII Hex char to value */ - - this_digit = this_digit - 'A' + 10; - } else { - term = 1; - } - } - - if (term) { - if (to_integer_op) { - goto error_exit; - } else { - break; - } - } else if ((valid_digits == 0) && (this_digit == 0) - && !sign_of0x) { - - /* Skip zeros */ - string++; - continue; - } - - valid_digits++; - - if (sign_of0x - && ((valid_digits > 16) - || ((valid_digits > 8) && mode32))) { - /* - * This is to_integer operation case. - * No any restrictions for string-to-integer conversion, - * see ACPI spec. - */ - goto error_exit; - } - - /* Divide the digit into the correct position */ - - (void)acpi_ut_short_divide((dividend - (u64)this_digit), - base, "ient, NULL); - - if (return_value > quotient) { - if (to_integer_op) { - goto error_exit; - } else { - break; - } - } - - return_value *= base; - return_value += this_digit; - string++; - } - - /* All done, normal exit */ - -all_done: - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n", - ACPI_FORMAT_UINT64(return_value))); - - *ret_integer = return_value; - return_ACPI_STATUS(AE_OK); - -error_exit: - /* Base was set/validated above */ - - if (base == 10) { - return_ACPI_STATUS(AE_BAD_DECIMAL_CONSTANT); - } else { - return_ACPI_STATUS(AE_BAD_HEX_CONSTANT); - } -} - /******************************************************************************* * * FUNCTION: acpi_ut_print_string @@ -342,7 +62,6 @@ error_exit: * sequences. * ******************************************************************************/ - void acpi_ut_print_string(char *string, u16 max_length) { u32 i; @@ -584,64 +303,3 @@ void ut_convert_backslashes(char *pathname) } } #endif - -#if defined (ACPI_DEBUGGER) || defined (ACPI_APPLICATION) -/******************************************************************************* - * - * FUNCTION: acpi_ut_safe_strcpy, acpi_ut_safe_strcat, acpi_ut_safe_strncat - * - * PARAMETERS: Adds a "DestSize" parameter to each of the standard string - * functions. This is the size of the Destination buffer. - * - * RETURN: TRUE if the operation would overflow the destination buffer. - * - * DESCRIPTION: Safe versions of standard Clib string functions. Ensure that - * the result of the operation will not overflow the output string - * buffer. - * - * NOTE: These functions are typically only helpful for processing - * user input and command lines. For most ACPICA code, the - * required buffer length is precisely calculated before buffer - * allocation, so the use of these functions is unnecessary. - * - ******************************************************************************/ - -u8 acpi_ut_safe_strcpy(char *dest, acpi_size dest_size, char *source) -{ - - if (strlen(source) >= dest_size) { - return (TRUE); - } - - strcpy(dest, source); - return (FALSE); -} - -u8 acpi_ut_safe_strcat(char *dest, acpi_size dest_size, char *source) -{ - - if ((strlen(dest) + strlen(source)) >= dest_size) { - return (TRUE); - } - - strcat(dest, source); - return (FALSE); -} - -u8 -acpi_ut_safe_strncat(char *dest, - acpi_size dest_size, - char *source, acpi_size max_transfer_length) -{ - acpi_size actual_transfer_length; - - actual_transfer_length = ACPI_MIN(max_transfer_length, strlen(source)); - - if ((strlen(dest) + actual_transfer_length) >= dest_size) { - return (TRUE); - } - - strncat(dest, source, max_transfer_length); - return (FALSE); -} -#endif diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c index 51cf52d52243..4f332815db00 100644 --- a/drivers/acpi/acpica/utxface.c +++ b/drivers/acpi/acpica/utxface.c @@ -92,13 +92,6 @@ acpi_status __init acpi_terminate(void) acpi_ut_mutex_terminate(); -#ifdef ACPI_DEBUGGER - - /* Shut down the debugger */ - - acpi_db_terminate(); -#endif - /* Now we can shutdown the OS-dependent layer */ status = acpi_os_terminate(); @@ -517,7 +510,8 @@ acpi_decode_pld_buffer(u8 *in_buffer, /* Parameter validation */ - if (!in_buffer || !return_buffer || (length < 16)) { + if (!in_buffer || !return_buffer + || (length < ACPI_PLD_REV1_BUFFER_SIZE)) { return (AE_BAD_PARAMETER); } @@ -567,7 +561,7 @@ acpi_decode_pld_buffer(u8 *in_buffer, pld_info->rotation = ACPI_PLD_GET_ROTATION(&dword); pld_info->order = ACPI_PLD_GET_ORDER(&dword); - if (length >= ACPI_PLD_BUFFER_SIZE) { + if (length >= ACPI_PLD_REV2_BUFFER_SIZE) { /* Fifth 32-bit DWord (Revision 2 of _PLD) */ diff --git a/drivers/acpi/acpica/utxfinit.c b/drivers/acpi/acpica/utxfinit.c index 42a32a66ef22..a7137ec28447 100644 --- a/drivers/acpi/acpica/utxfinit.c +++ b/drivers/acpi/acpica/utxfinit.c @@ -124,17 +124,6 @@ acpi_status __init acpi_initialize_subsystem(void) return_ACPI_STATUS(status); } - /* If configured, initialize the AML debugger */ - -#ifdef ACPI_DEBUGGER - status = acpi_db_initialize(); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "During Debugger initialization")); - return_ACPI_STATUS(status); - } -#endif - return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c index a85ac07f3da3..a2c8d7adb6eb 100644 --- a/drivers/acpi/apei/apei-base.c +++ b/drivers/acpi/apei/apei-base.c @@ -24,10 +24,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c index a095d4f858da..0431883653be 100644 --- a/drivers/acpi/apei/einj.c +++ b/drivers/acpi/apei/einj.c @@ -18,10 +18,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> diff --git a/drivers/acpi/apei/erst-dbg.c b/drivers/acpi/apei/erst-dbg.c index 04ab5c9d3ced..6330f557a2c8 100644 --- a/drivers/acpi/apei/erst-dbg.c +++ b/drivers/acpi/apei/erst-dbg.c @@ -17,10 +17,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c index 3670bbab57a3..6682c5daf742 100644 --- a/drivers/acpi/apei/erst.c +++ b/drivers/acpi/apei/erst.c @@ -18,10 +18,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index 2bfd53cbfe80..23981ac1c6c2 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -23,10 +23,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c index 06e9b411a0a2..20b3fcf4007c 100644 --- a/drivers/acpi/apei/hest.c +++ b/drivers/acpi/apei/hest.c @@ -21,10 +21,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index b3628cc01a53..b719ab3090bb 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -18,10 +18,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index 278dc4be992a..96809cd99ace 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -20,10 +20,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 513e7230e3d0..46506e7687cd 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -15,10 +15,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ @@ -423,6 +419,406 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data) acpi_evaluate_ost(handle, type, ost_code, NULL); } +static void acpi_device_notify(acpi_handle handle, u32 event, void *data) +{ + struct acpi_device *device = data; + + device->driver->ops.notify(device, event); +} + +static void acpi_device_notify_fixed(void *data) +{ + struct acpi_device *device = data; + + /* Fixed hardware devices have no handles */ + acpi_device_notify(NULL, ACPI_FIXED_HARDWARE_EVENT, device); +} + +static u32 acpi_device_fixed_event(void *data) +{ + acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_device_notify_fixed, data); + return ACPI_INTERRUPT_HANDLED; +} + +static int acpi_device_install_notify_handler(struct acpi_device *device) +{ + acpi_status status; + + if (device->device_type == ACPI_BUS_TYPE_POWER_BUTTON) + status = + acpi_install_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, + acpi_device_fixed_event, + device); + else if (device->device_type == ACPI_BUS_TYPE_SLEEP_BUTTON) + status = + acpi_install_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, + acpi_device_fixed_event, + device); + else + status = acpi_install_notify_handler(device->handle, + ACPI_DEVICE_NOTIFY, + acpi_device_notify, + device); + + if (ACPI_FAILURE(status)) + return -EINVAL; + return 0; +} + +static void acpi_device_remove_notify_handler(struct acpi_device *device) +{ + if (device->device_type == ACPI_BUS_TYPE_POWER_BUTTON) + acpi_remove_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, + acpi_device_fixed_event); + else if (device->device_type == ACPI_BUS_TYPE_SLEEP_BUTTON) + acpi_remove_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, + acpi_device_fixed_event); + else + acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, + acpi_device_notify); +} + +/* -------------------------------------------------------------------------- + Device Matching + -------------------------------------------------------------------------- */ + +static struct acpi_device *acpi_primary_dev_companion(struct acpi_device *adev, + const struct device *dev) +{ + struct mutex *physical_node_lock = &adev->physical_node_lock; + + mutex_lock(physical_node_lock); + if (list_empty(&adev->physical_node_list)) { + adev = NULL; + } else { + const struct acpi_device_physical_node *node; + + node = list_first_entry(&adev->physical_node_list, + struct acpi_device_physical_node, node); + if (node->dev != dev) + adev = NULL; + } + mutex_unlock(physical_node_lock); + return adev; +} + +/** + * acpi_device_is_first_physical_node - Is given dev first physical node + * @adev: ACPI companion device + * @dev: Physical device to check + * + * Function checks if given @dev is the first physical devices attached to + * the ACPI companion device. This distinction is needed in some cases + * where the same companion device is shared between many physical devices. + * + * Note that the caller have to provide valid @adev pointer. + */ +bool acpi_device_is_first_physical_node(struct acpi_device *adev, + const struct device *dev) +{ + return !!acpi_primary_dev_companion(adev, dev); +} + +/* + * acpi_companion_match() - Can we match via ACPI companion device + * @dev: Device in question + * + * Check if the given device has an ACPI companion and if that companion has + * a valid list of PNP IDs, and if the device is the first (primary) physical + * device associated with it. Return the companion pointer if that's the case + * or NULL otherwise. + * + * If multiple physical devices are attached to a single ACPI companion, we need + * to be careful. The usage scenario for this kind of relationship is that all + * of the physical devices in question use resources provided by the ACPI + * companion. A typical case is an MFD device where all the sub-devices share + * the parent's ACPI companion. In such cases we can only allow the primary + * (first) physical device to be matched with the help of the companion's PNP + * IDs. + * + * Additional physical devices sharing the ACPI companion can still use + * resources available from it but they will be matched normally using functions + * provided by their bus types (and analogously for their modalias). + */ +struct acpi_device *acpi_companion_match(const struct device *dev) +{ + struct acpi_device *adev; + + adev = ACPI_COMPANION(dev); + if (!adev) + return NULL; + + if (list_empty(&adev->pnp.ids)) + return NULL; + + return acpi_primary_dev_companion(adev, dev); +} + +/** + * acpi_of_match_device - Match device object using the "compatible" property. + * @adev: ACPI device object to match. + * @of_match_table: List of device IDs to match against. + * + * If @dev has an ACPI companion which has ACPI_DT_NAMESPACE_HID in its list of + * identifiers and a _DSD object with the "compatible" property, use that + * property to match against the given list of identifiers. + */ +static bool acpi_of_match_device(struct acpi_device *adev, + const struct of_device_id *of_match_table) +{ + const union acpi_object *of_compatible, *obj; + int i, nval; + + if (!adev) + return false; + + of_compatible = adev->data.of_compatible; + if (!of_match_table || !of_compatible) + return false; + + if (of_compatible->type == ACPI_TYPE_PACKAGE) { + nval = of_compatible->package.count; + obj = of_compatible->package.elements; + } else { /* Must be ACPI_TYPE_STRING. */ + nval = 1; + obj = of_compatible; + } + /* Now we can look for the driver DT compatible strings */ + for (i = 0; i < nval; i++, obj++) { + const struct of_device_id *id; + + for (id = of_match_table; id->compatible[0]; id++) + if (!strcasecmp(obj->string.pointer, id->compatible)) + return true; + } + + return false; +} + +static bool __acpi_match_device_cls(const struct acpi_device_id *id, + struct acpi_hardware_id *hwid) +{ + int i, msk, byte_shift; + char buf[3]; + + if (!id->cls) + return false; + + /* Apply class-code bitmask, before checking each class-code byte */ + for (i = 1; i <= 3; i++) { + byte_shift = 8 * (3 - i); + msk = (id->cls_msk >> byte_shift) & 0xFF; + if (!msk) + continue; + + sprintf(buf, "%02x", (id->cls >> byte_shift) & msk); + if (strncmp(buf, &hwid->id[(i - 1) * 2], 2)) + return false; + } + return true; +} + +static const struct acpi_device_id *__acpi_match_device( + struct acpi_device *device, + const struct acpi_device_id *ids, + const struct of_device_id *of_ids) +{ + const struct acpi_device_id *id; + struct acpi_hardware_id *hwid; + + /* + * If the device is not present, it is unnecessary to load device + * driver for it. + */ + if (!device || !device->status.present) + return NULL; + + list_for_each_entry(hwid, &device->pnp.ids, list) { + /* First, check the ACPI/PNP IDs provided by the caller. */ + for (id = ids; id->id[0] || id->cls; id++) { + if (id->id[0] && !strcmp((char *) id->id, hwid->id)) + return id; + else if (id->cls && __acpi_match_device_cls(id, hwid)) + return id; + } + + /* + * Next, check ACPI_DT_NAMESPACE_HID and try to match the + * "compatible" property if found. + * + * The id returned by the below is not valid, but the only + * caller passing non-NULL of_ids here is only interested in + * whether or not the return value is NULL. + */ + if (!strcmp(ACPI_DT_NAMESPACE_HID, hwid->id) + && acpi_of_match_device(device, of_ids)) + return id; + } + return NULL; +} + +/** + * acpi_match_device - Match a struct device against a given list of ACPI IDs + * @ids: Array of struct acpi_device_id object to match against. + * @dev: The device structure to match. + * + * Check if @dev has a valid ACPI handle and if there is a struct acpi_device + * object for that handle and use that object to match against a given list of + * device IDs. + * + * Return a pointer to the first matching ID on success or %NULL on failure. + */ +const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, + const struct device *dev) +{ + return __acpi_match_device(acpi_companion_match(dev), ids, NULL); +} +EXPORT_SYMBOL_GPL(acpi_match_device); + +int acpi_match_device_ids(struct acpi_device *device, + const struct acpi_device_id *ids) +{ + return __acpi_match_device(device, ids, NULL) ? 0 : -ENOENT; +} +EXPORT_SYMBOL(acpi_match_device_ids); + +bool acpi_driver_match_device(struct device *dev, + const struct device_driver *drv) +{ + if (!drv->acpi_match_table) + return acpi_of_match_device(ACPI_COMPANION(dev), + drv->of_match_table); + + return !!__acpi_match_device(acpi_companion_match(dev), + drv->acpi_match_table, drv->of_match_table); +} +EXPORT_SYMBOL_GPL(acpi_driver_match_device); + +/* -------------------------------------------------------------------------- + ACPI Driver Management + -------------------------------------------------------------------------- */ + +/** + * acpi_bus_register_driver - register a driver with the ACPI bus + * @driver: driver being registered + * + * Registers a driver with the ACPI bus. Searches the namespace for all + * devices that match the driver's criteria and binds. Returns zero for + * success or a negative error status for failure. + */ +int acpi_bus_register_driver(struct acpi_driver *driver) +{ + int ret; + + if (acpi_disabled) + return -ENODEV; + driver->drv.name = driver->name; + driver->drv.bus = &acpi_bus_type; + driver->drv.owner = driver->owner; + + ret = driver_register(&driver->drv); + return ret; +} + +EXPORT_SYMBOL(acpi_bus_register_driver); + +/** + * acpi_bus_unregister_driver - unregisters a driver with the ACPI bus + * @driver: driver to unregister + * + * Unregisters a driver with the ACPI bus. Searches the namespace for all + * devices that match the driver's criteria and unbinds. + */ +void acpi_bus_unregister_driver(struct acpi_driver *driver) +{ + driver_unregister(&driver->drv); +} + +EXPORT_SYMBOL(acpi_bus_unregister_driver); + +/* -------------------------------------------------------------------------- + ACPI Bus operations + -------------------------------------------------------------------------- */ + +static int acpi_bus_match(struct device *dev, struct device_driver *drv) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_driver *acpi_drv = to_acpi_driver(drv); + + return acpi_dev->flags.match_driver + && !acpi_match_device_ids(acpi_dev, acpi_drv->ids); +} + +static int acpi_device_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + return __acpi_device_uevent_modalias(to_acpi_device(dev), env); +} + +static int acpi_device_probe(struct device *dev) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_driver *acpi_drv = to_acpi_driver(dev->driver); + int ret; + + if (acpi_dev->handler && !acpi_is_pnp_device(acpi_dev)) + return -EINVAL; + + if (!acpi_drv->ops.add) + return -ENOSYS; + + ret = acpi_drv->ops.add(acpi_dev); + if (ret) + return ret; + + acpi_dev->driver = acpi_drv; + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Driver [%s] successfully bound to device [%s]\n", + acpi_drv->name, acpi_dev->pnp.bus_id)); + + if (acpi_drv->ops.notify) { + ret = acpi_device_install_notify_handler(acpi_dev); + if (ret) { + if (acpi_drv->ops.remove) + acpi_drv->ops.remove(acpi_dev); + + acpi_dev->driver = NULL; + acpi_dev->driver_data = NULL; + return ret; + } + } + + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found driver [%s] for device [%s]\n", + acpi_drv->name, acpi_dev->pnp.bus_id)); + get_device(dev); + return 0; +} + +static int acpi_device_remove(struct device * dev) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_driver *acpi_drv = acpi_dev->driver; + + if (acpi_drv) { + if (acpi_drv->ops.notify) + acpi_device_remove_notify_handler(acpi_dev); + if (acpi_drv->ops.remove) + acpi_drv->ops.remove(acpi_dev); + } + acpi_dev->driver = NULL; + acpi_dev->driver_data = NULL; + + put_device(dev); + return 0; +} + +struct bus_type acpi_bus_type = { + .name = "acpi", + .match = acpi_bus_match, + .probe = acpi_device_probe, + .remove = acpi_device_remove, + .uevent = acpi_device_uevent, +}; + /* -------------------------------------------------------------------------- Initialization/Cleanup -------------------------------------------------------------------------- */ @@ -661,7 +1057,9 @@ static int __init acpi_bus_init(void) */ acpi_root_dir = proc_mkdir(ACPI_BUS_FILE_ROOT, NULL); - return 0; + result = bus_register(&acpi_bus_type); + if (!result) + return 0; /* Mimic structured exception handling */ error1: diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 6d5d1832a588..5c3b0918d5fd 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -16,10 +16,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c index 6c9ee68e46fb..d0918d421f90 100644 --- a/drivers/acpi/cm_sbs.c +++ b/drivers/acpi/cm_sbs.c @@ -11,10 +11,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index c8ead9f97375..12c240903c18 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -20,10 +20,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #include <linux/acpi.h> diff --git a/drivers/acpi/debugfs.c b/drivers/acpi/debugfs.c index 6b1919f6bd82..68bb305b977f 100644 --- a/drivers/acpi/debugfs.c +++ b/drivers/acpi/debugfs.c @@ -7,6 +7,8 @@ #include <linux/debugfs.h> #include <linux/acpi.h> +#include "internal.h" + #define _COMPONENT ACPI_SYSTEM_COMPONENT ACPI_MODULE_NAME("debugfs"); diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 717afcdb5f4a..4806b7f856c4 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -15,10 +15,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ @@ -231,7 +227,7 @@ int acpi_device_set_power(struct acpi_device *device, int state) dev_warn(&device->dev, "Failed to change power state to %s\n", acpi_power_state_string(state)); } else { - device->power.state = state; + device->power.state = target_state; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] transitioned to %s\n", device->pnp.bus_id, @@ -1123,6 +1119,14 @@ int acpi_dev_pm_attach(struct device *dev, bool power_on) if (dev->pm_domain) return -EEXIST; + /* + * Only attach the power domain to the first device if the + * companion is shared by multiple. This is to prevent doing power + * management twice. + */ + if (!acpi_device_is_first_physical_node(adev, dev)) + return -EBUSY; + acpi_add_pm_notifier(adev, dev, acpi_pm_notify_work_func); dev->pm_domain = &acpi_general_pm_domain; if (power_on) { diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c new file mode 100644 index 000000000000..4ab4582e586b --- /dev/null +++ b/drivers/acpi/device_sysfs.c @@ -0,0 +1,521 @@ +/* + * drivers/acpi/device_sysfs.c - ACPI device sysfs attributes and modalias. + * + * Copyright (C) 2015, Intel Corp. + * Author: Mika Westerberg <mika.westerberg@linux.intel.com> + * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#include <linux/acpi.h> +#include <linux/device.h> +#include <linux/export.h> +#include <linux/nls.h> + +#include "internal.h" + +/** + * create_pnp_modalias - Create hid/cid(s) string for modalias and uevent + * @acpi_dev: ACPI device object. + * @modalias: Buffer to print into. + * @size: Size of the buffer. + * + * Creates hid/cid(s) string needed for modalias and uevent + * e.g. on a device with hid:IBM0001 and cid:ACPI0001 you get: + * char *modalias: "acpi:IBM0001:ACPI0001" + * Return: 0: no _HID and no _CID + * -EINVAL: output error + * -ENOMEM: output is truncated +*/ +static int create_pnp_modalias(struct acpi_device *acpi_dev, char *modalias, + int size) +{ + int len; + int count; + struct acpi_hardware_id *id; + + /* + * Since we skip ACPI_DT_NAMESPACE_HID from the modalias below, 0 should + * be returned if ACPI_DT_NAMESPACE_HID is the only ACPI/PNP ID in the + * device's list. + */ + count = 0; + list_for_each_entry(id, &acpi_dev->pnp.ids, list) + if (strcmp(id->id, ACPI_DT_NAMESPACE_HID)) + count++; + + if (!count) + return 0; + + len = snprintf(modalias, size, "acpi:"); + if (len <= 0) + return len; + + size -= len; + + list_for_each_entry(id, &acpi_dev->pnp.ids, list) { + if (!strcmp(id->id, ACPI_DT_NAMESPACE_HID)) + continue; + + count = snprintf(&modalias[len], size, "%s:", id->id); + if (count < 0) + return -EINVAL; + + if (count >= size) + return -ENOMEM; + + len += count; + size -= count; + } + modalias[len] = '\0'; + return len; +} + +/** + * create_of_modalias - Creates DT compatible string for modalias and uevent + * @acpi_dev: ACPI device object. + * @modalias: Buffer to print into. + * @size: Size of the buffer. + * + * Expose DT compatible modalias as of:NnameTCcompatible. This function should + * only be called for devices having ACPI_DT_NAMESPACE_HID in their list of + * ACPI/PNP IDs. + */ +static int create_of_modalias(struct acpi_device *acpi_dev, char *modalias, + int size) +{ + struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER }; + const union acpi_object *of_compatible, *obj; + int len, count; + int i, nval; + char *c; + + acpi_get_name(acpi_dev->handle, ACPI_SINGLE_NAME, &buf); + /* DT strings are all in lower case */ + for (c = buf.pointer; *c != '\0'; c++) + *c = tolower(*c); + + len = snprintf(modalias, size, "of:N%sT", (char *)buf.pointer); + ACPI_FREE(buf.pointer); + + if (len <= 0) + return len; + + of_compatible = acpi_dev->data.of_compatible; + if (of_compatible->type == ACPI_TYPE_PACKAGE) { + nval = of_compatible->package.count; + obj = of_compatible->package.elements; + } else { /* Must be ACPI_TYPE_STRING. */ + nval = 1; + obj = of_compatible; + } + for (i = 0; i < nval; i++, obj++) { + count = snprintf(&modalias[len], size, "C%s", + obj->string.pointer); + if (count < 0) + return -EINVAL; + + if (count >= size) + return -ENOMEM; + + len += count; + size -= count; + } + modalias[len] = '\0'; + return len; +} + +int __acpi_device_uevent_modalias(struct acpi_device *adev, + struct kobj_uevent_env *env) +{ + int len; + + if (!adev) + return -ENODEV; + + if (list_empty(&adev->pnp.ids)) + return 0; + + if (add_uevent_var(env, "MODALIAS=")) + return -ENOMEM; + + len = create_pnp_modalias(adev, &env->buf[env->buflen - 1], + sizeof(env->buf) - env->buflen); + if (len < 0) + return len; + + env->buflen += len; + if (!adev->data.of_compatible) + return 0; + + if (len > 0 && add_uevent_var(env, "MODALIAS=")) + return -ENOMEM; + + len = create_of_modalias(adev, &env->buf[env->buflen - 1], + sizeof(env->buf) - env->buflen); + if (len < 0) + return len; + + env->buflen += len; + + return 0; +} + +/** + * acpi_device_uevent_modalias - uevent modalias for ACPI-enumerated devices. + * + * Create the uevent modalias field for ACPI-enumerated devices. + * + * Because other buses do not support ACPI HIDs & CIDs, e.g. for a device with + * hid:IBM0001 and cid:ACPI0001 you get: "acpi:IBM0001:ACPI0001". + */ +int acpi_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env) +{ + return __acpi_device_uevent_modalias(acpi_companion_match(dev), env); +} +EXPORT_SYMBOL_GPL(acpi_device_uevent_modalias); + +static int __acpi_device_modalias(struct acpi_device *adev, char *buf, int size) +{ + int len, count; + + if (!adev) + return -ENODEV; + + if (list_empty(&adev->pnp.ids)) + return 0; + + len = create_pnp_modalias(adev, buf, size - 1); + if (len < 0) { + return len; + } else if (len > 0) { + buf[len++] = '\n'; + size -= len; + } + if (!adev->data.of_compatible) + return len; + + count = create_of_modalias(adev, buf + len, size - 1); + if (count < 0) { + return count; + } else if (count > 0) { + len += count; + buf[len++] = '\n'; + } + + return len; +} + +/** + * acpi_device_modalias - modalias sysfs attribute for ACPI-enumerated devices. + * + * Create the modalias sysfs attribute for ACPI-enumerated devices. + * + * Because other buses do not support ACPI HIDs & CIDs, e.g. for a device with + * hid:IBM0001 and cid:ACPI0001 you get: "acpi:IBM0001:ACPI0001". + */ +int acpi_device_modalias(struct device *dev, char *buf, int size) +{ + return __acpi_device_modalias(acpi_companion_match(dev), buf, size); +} +EXPORT_SYMBOL_GPL(acpi_device_modalias); + +static ssize_t +acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { + return __acpi_device_modalias(to_acpi_device(dev), buf, 1024); +} +static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL); + +static ssize_t real_power_state_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct acpi_device *adev = to_acpi_device(dev); + int state; + int ret; + + ret = acpi_device_get_power(adev, &state); + if (ret) + return ret; + + return sprintf(buf, "%s\n", acpi_power_state_string(state)); +} + +static DEVICE_ATTR(real_power_state, 0444, real_power_state_show, NULL); + +static ssize_t power_state_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct acpi_device *adev = to_acpi_device(dev); + + return sprintf(buf, "%s\n", acpi_power_state_string(adev->power.state)); +} + +static DEVICE_ATTR(power_state, 0444, power_state_show, NULL); + +static ssize_t +acpi_eject_store(struct device *d, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct acpi_device *acpi_device = to_acpi_device(d); + acpi_object_type not_used; + acpi_status status; + + if (!count || buf[0] != '1') + return -EINVAL; + + if ((!acpi_device->handler || !acpi_device->handler->hotplug.enabled) + && !acpi_device->driver) + return -ENODEV; + + status = acpi_get_type(acpi_device->handle, ¬_used); + if (ACPI_FAILURE(status) || !acpi_device->flags.ejectable) + return -ENODEV; + + get_device(&acpi_device->dev); + status = acpi_hotplug_schedule(acpi_device, ACPI_OST_EC_OSPM_EJECT); + if (ACPI_SUCCESS(status)) + return count; + + put_device(&acpi_device->dev); + acpi_evaluate_ost(acpi_device->handle, ACPI_OST_EC_OSPM_EJECT, + ACPI_OST_SC_NON_SPECIFIC_FAILURE, NULL); + return status == AE_NO_MEMORY ? -ENOMEM : -EAGAIN; +} + +static DEVICE_ATTR(eject, 0200, NULL, acpi_eject_store); + +static ssize_t +acpi_device_hid_show(struct device *dev, struct device_attribute *attr, char *buf) { + struct acpi_device *acpi_dev = to_acpi_device(dev); + + return sprintf(buf, "%s\n", acpi_device_hid(acpi_dev)); +} +static DEVICE_ATTR(hid, 0444, acpi_device_hid_show, NULL); + +static ssize_t acpi_device_uid_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + + return sprintf(buf, "%s\n", acpi_dev->pnp.unique_id); +} +static DEVICE_ATTR(uid, 0444, acpi_device_uid_show, NULL); + +static ssize_t acpi_device_adr_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct acpi_device *acpi_dev = to_acpi_device(dev); + + return sprintf(buf, "0x%08x\n", + (unsigned int)(acpi_dev->pnp.bus_address)); +} +static DEVICE_ATTR(adr, 0444, acpi_device_adr_show, NULL); + +static ssize_t +acpi_device_path_show(struct device *dev, struct device_attribute *attr, char *buf) { + struct acpi_device *acpi_dev = to_acpi_device(dev); + struct acpi_buffer path = {ACPI_ALLOCATE_BUFFER, NULL}; + int result; + + result = acpi_get_name(acpi_dev->handle, ACPI_FULL_PATHNAME, &path); + if (result) + goto end; + + result = sprintf(buf, "%s\n", (char*)path.pointer); + kfree(path.pointer); +end: + return result; +} +static DEVICE_ATTR(path, 0444, acpi_device_path_show, NULL); + +/* sysfs file that shows description text from the ACPI _STR method */ +static ssize_t description_show(struct device *dev, + struct device_attribute *attr, + char *buf) { + struct acpi_device *acpi_dev = to_acpi_device(dev); + int result; + + if (acpi_dev->pnp.str_obj == NULL) + return 0; + + /* + * The _STR object contains a Unicode identifier for a device. + * We need to convert to utf-8 so it can be displayed. + */ + result = utf16s_to_utf8s( + (wchar_t *)acpi_dev->pnp.str_obj->buffer.pointer, + acpi_dev->pnp.str_obj->buffer.length, + UTF16_LITTLE_ENDIAN, buf, + PAGE_SIZE); + + buf[result++] = '\n'; + + return result; +} +static DEVICE_ATTR(description, 0444, description_show, NULL); + +static ssize_t +acpi_device_sun_show(struct device *dev, struct device_attribute *attr, + char *buf) { + struct acpi_device *acpi_dev = to_acpi_device(dev); + acpi_status status; + unsigned long long sun; + + status = acpi_evaluate_integer(acpi_dev->handle, "_SUN", NULL, &sun); + if (ACPI_FAILURE(status)) + return -ENODEV; + + return sprintf(buf, "%llu\n", sun); +} +static DEVICE_ATTR(sun, 0444, acpi_device_sun_show, NULL); + +static ssize_t status_show(struct device *dev, struct device_attribute *attr, + char *buf) { + struct acpi_device *acpi_dev = to_acpi_device(dev); + acpi_status status; + unsigned long long sta; + + status = acpi_evaluate_integer(acpi_dev->handle, "_STA", NULL, &sta); + if (ACPI_FAILURE(status)) + return -ENODEV; + + return sprintf(buf, "%llu\n", sta); +} +static DEVICE_ATTR_RO(status); + +/** + * acpi_device_setup_files - Create sysfs attributes of an ACPI device. + * @dev: ACPI device object. + */ +int acpi_device_setup_files(struct acpi_device *dev) +{ + struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; + acpi_status status; + int result = 0; + + /* + * Devices gotten from FADT don't have a "path" attribute + */ + if (dev->handle) { + result = device_create_file(&dev->dev, &dev_attr_path); + if (result) + goto end; + } + + if (!list_empty(&dev->pnp.ids)) { + result = device_create_file(&dev->dev, &dev_attr_hid); + if (result) + goto end; + + result = device_create_file(&dev->dev, &dev_attr_modalias); + if (result) + goto end; + } + + /* + * If device has _STR, 'description' file is created + */ + if (acpi_has_method(dev->handle, "_STR")) { + status = acpi_evaluate_object(dev->handle, "_STR", + NULL, &buffer); + if (ACPI_FAILURE(status)) + buffer.pointer = NULL; + dev->pnp.str_obj = buffer.pointer; + result = device_create_file(&dev->dev, &dev_attr_description); + if (result) + goto end; + } + + if (dev->pnp.type.bus_address) + result = device_create_file(&dev->dev, &dev_attr_adr); + if (dev->pnp.unique_id) + result = device_create_file(&dev->dev, &dev_attr_uid); + + if (acpi_has_method(dev->handle, "_SUN")) { + result = device_create_file(&dev->dev, &dev_attr_sun); + if (result) + goto end; + } + + if (acpi_has_method(dev->handle, "_STA")) { + result = device_create_file(&dev->dev, &dev_attr_status); + if (result) + goto end; + } + + /* + * If device has _EJ0, 'eject' file is created that is used to trigger + * hot-removal function from userland. + */ + if (acpi_has_method(dev->handle, "_EJ0")) { + result = device_create_file(&dev->dev, &dev_attr_eject); + if (result) + return result; + } + + if (dev->flags.power_manageable) { + result = device_create_file(&dev->dev, &dev_attr_power_state); + if (result) + return result; + + if (dev->power.flags.power_resources) + result = device_create_file(&dev->dev, + &dev_attr_real_power_state); + } + +end: + return result; +} + +/** + * acpi_device_remove_files - Remove sysfs attributes of an ACPI device. + * @dev: ACPI device object. + */ +void acpi_device_remove_files(struct acpi_device *dev) +{ + if (dev->flags.power_manageable) { + device_remove_file(&dev->dev, &dev_attr_power_state); + if (dev->power.flags.power_resources) + device_remove_file(&dev->dev, + &dev_attr_real_power_state); + } + + /* + * If device has _STR, remove 'description' file + */ + if (acpi_has_method(dev->handle, "_STR")) { + kfree(dev->pnp.str_obj); + device_remove_file(&dev->dev, &dev_attr_description); + } + /* + * If device has _EJ0, remove 'eject' file. + */ + if (acpi_has_method(dev->handle, "_EJ0")) + device_remove_file(&dev->dev, &dev_attr_eject); + + if (acpi_has_method(dev->handle, "_SUN")) + device_remove_file(&dev->dev, &dev_attr_sun); + + if (dev->pnp.unique_id) + device_remove_file(&dev->dev, &dev_attr_uid); + if (dev->pnp.type.bus_address) + device_remove_file(&dev->dev, &dev_attr_adr); + device_remove_file(&dev->dev, &dev_attr_modalias); + device_remove_file(&dev->dev, &dev_attr_hid); + if (acpi_has_method(dev->handle, "_STA")) + device_remove_file(&dev->dev, &dev_attr_status); + if (dev->handle) + device_remove_file(&dev->dev, &dev_attr_path); +} diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index a688aa243f6c..e8e128dede29 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -17,10 +17,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 9d4761d2f6b7..2614a839c60d 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -22,10 +22,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ @@ -165,8 +161,16 @@ struct transaction { u8 flags; }; +struct acpi_ec_query { + struct transaction transaction; + struct work_struct work; + struct acpi_ec_query_handler *handler; +}; + static int acpi_ec_query(struct acpi_ec *ec, u8 *data); static void advance_transaction(struct acpi_ec *ec); +static void acpi_ec_event_handler(struct work_struct *work); +static void acpi_ec_event_processor(struct work_struct *work); struct acpi_ec *boot_ec, *first_ec; EXPORT_SYMBOL(first_ec); @@ -978,60 +982,90 @@ void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit) } EXPORT_SYMBOL_GPL(acpi_ec_remove_query_handler); -static void acpi_ec_run(void *cxt) +static struct acpi_ec_query *acpi_ec_create_query(u8 *pval) { - struct acpi_ec_query_handler *handler = cxt; + struct acpi_ec_query *q; + struct transaction *t; + + q = kzalloc(sizeof (struct acpi_ec_query), GFP_KERNEL); + if (!q) + return NULL; + INIT_WORK(&q->work, acpi_ec_event_processor); + t = &q->transaction; + t->command = ACPI_EC_COMMAND_QUERY; + t->rdata = pval; + t->rlen = 1; + return q; +} + +static void acpi_ec_delete_query(struct acpi_ec_query *q) +{ + if (q) { + if (q->handler) + acpi_ec_put_query_handler(q->handler); + kfree(q); + } +} + +static void acpi_ec_event_processor(struct work_struct *work) +{ + struct acpi_ec_query *q = container_of(work, struct acpi_ec_query, work); + struct acpi_ec_query_handler *handler = q->handler; - if (!handler) - return; ec_dbg_evt("Query(0x%02x) started", handler->query_bit); if (handler->func) handler->func(handler->data); else if (handler->handle) acpi_evaluate_object(handler->handle, NULL, NULL, NULL); ec_dbg_evt("Query(0x%02x) stopped", handler->query_bit); - acpi_ec_put_query_handler(handler); + acpi_ec_delete_query(q); } static int acpi_ec_query(struct acpi_ec *ec, u8 *data) { u8 value = 0; int result; - acpi_status status; struct acpi_ec_query_handler *handler; - struct transaction t = {.command = ACPI_EC_COMMAND_QUERY, - .wdata = NULL, .rdata = &value, - .wlen = 0, .rlen = 1}; + struct acpi_ec_query *q; + + q = acpi_ec_create_query(&value); + if (!q) + return -ENOMEM; /* * Query the EC to find out which _Qxx method we need to evaluate. * Note that successful completion of the query causes the ACPI_EC_SCI * bit to be cleared (and thus clearing the interrupt source). */ - result = acpi_ec_transaction(ec, &t); - if (result) - return result; - if (data) - *data = value; + result = acpi_ec_transaction(ec, &q->transaction); if (!value) - return -ENODATA; + result = -ENODATA; + if (result) + goto err_exit; mutex_lock(&ec->mutex); list_for_each_entry(handler, &ec->list, node) { if (value == handler->query_bit) { - /* have custom handler for this bit */ - handler = acpi_ec_get_query_handler(handler); + q->handler = acpi_ec_get_query_handler(handler); ec_dbg_evt("Query(0x%02x) scheduled", - handler->query_bit); - status = acpi_os_execute((handler->func) ? - OSL_NOTIFY_HANDLER : OSL_GPE_HANDLER, - acpi_ec_run, handler); - if (ACPI_FAILURE(status)) + q->handler->query_bit); + /* + * It is reported that _Qxx are evaluated in a + * parallel way on Windows: + * https://bugzilla.kernel.org/show_bug.cgi?id=94411 + */ + if (!schedule_work(&q->work)) result = -EBUSY; break; } } mutex_unlock(&ec->mutex); + +err_exit: + if (result && q) + acpi_ec_delete_query(q); + if (data) + *data = value; return result; } diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index bea0bbaafa97..e297a480e135 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -16,10 +16,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/hed.c b/drivers/acpi/hed.c index a322710b5ba4..5c67a6d8f803 100644 --- a/drivers/acpi/hed.c +++ b/drivers/acpi/hed.c @@ -15,10 +15,6 @@ * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 4683a96932b9..9e426210c2a8 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -13,9 +13,6 @@ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef _ACPI_INTERNAL_H_ @@ -70,7 +67,7 @@ void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); #ifdef CONFIG_DEBUG_FS extern struct dentry *acpi_debugfs_dir; -int acpi_debugfs_init(void); +void acpi_debugfs_init(void); #else static inline void acpi_debugfs_init(void) { return; } #endif @@ -93,10 +90,21 @@ int acpi_device_add(struct acpi_device *device, void (*release)(struct device *)); void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, int type, unsigned long long sta); +int acpi_device_setup_files(struct acpi_device *dev); +void acpi_device_remove_files(struct acpi_device *dev); void acpi_device_add_finalize(struct acpi_device *device); void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); bool acpi_device_is_present(struct acpi_device *adev); bool acpi_device_is_battery(struct acpi_device *adev); +bool acpi_device_is_first_physical_node(struct acpi_device *adev, + const struct device *dev); + +/* -------------------------------------------------------------------------- + Device Matching and Notification + -------------------------------------------------------------------------- */ +struct acpi_device *acpi_companion_match(const struct device *dev); +int __acpi_device_uevent_modalias(struct acpi_device *adev, + struct kobj_uevent_env *env); /* -------------------------------------------------------------------------- Power Resource diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index 628a42c41ab1..cf0fd96a7602 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -702,11 +702,11 @@ static ssize_t flags_show(struct device *dev, u16 flags = to_nfit_memdev(dev)->flags; return sprintf(buf, "%s%s%s%s%s\n", - flags & ACPI_NFIT_MEM_SAVE_FAILED ? "save " : "", - flags & ACPI_NFIT_MEM_RESTORE_FAILED ? "restore " : "", - flags & ACPI_NFIT_MEM_FLUSH_FAILED ? "flush " : "", - flags & ACPI_NFIT_MEM_ARMED ? "arm " : "", - flags & ACPI_NFIT_MEM_HEALTH_OBSERVED ? "smart " : ""); + flags & ACPI_NFIT_MEM_SAVE_FAILED ? "save_fail " : "", + flags & ACPI_NFIT_MEM_RESTORE_FAILED ? "restore_fail " : "", + flags & ACPI_NFIT_MEM_FLUSH_FAILED ? "flush_fail " : "", + flags & ACPI_NFIT_MEM_ARMED ? "not_armed " : "", + flags & ACPI_NFIT_MEM_HEALTH_OBSERVED ? "smart_event " : ""); } static DEVICE_ATTR_RO(flags); @@ -849,12 +849,12 @@ static int acpi_nfit_register_dimms(struct acpi_nfit_desc *acpi_desc) if ((mem_flags & ACPI_NFIT_MEM_FAILED_MASK) == 0) continue; - dev_info(acpi_desc->dev, "%s: failed: %s%s%s%s\n", + dev_info(acpi_desc->dev, "%s flags:%s%s%s%s\n", nvdimm_name(nvdimm), - mem_flags & ACPI_NFIT_MEM_SAVE_FAILED ? "save " : "", - mem_flags & ACPI_NFIT_MEM_RESTORE_FAILED ? "restore " : "", - mem_flags & ACPI_NFIT_MEM_FLUSH_FAILED ? "flush " : "", - mem_flags & ACPI_NFIT_MEM_ARMED ? "arm " : ""); + mem_flags & ACPI_NFIT_MEM_SAVE_FAILED ? " save_fail" : "", + mem_flags & ACPI_NFIT_MEM_RESTORE_FAILED ? " restore_fail":"", + mem_flags & ACPI_NFIT_MEM_FLUSH_FAILED ? " flush_fail" : "", + mem_flags & ACPI_NFIT_MEM_ARMED ? " not_armed" : ""); } @@ -1024,7 +1024,7 @@ static void wmb_blk(struct nfit_blk *nfit_blk) wmb_pmem(); } -static u64 read_blk_stat(struct nfit_blk *nfit_blk, unsigned int bw) +static u32 read_blk_stat(struct nfit_blk *nfit_blk, unsigned int bw) { struct nfit_blk_mmio *mmio = &nfit_blk->mmio[DCR]; u64 offset = nfit_blk->stat_offset + mmio->size * bw; @@ -1032,7 +1032,7 @@ static u64 read_blk_stat(struct nfit_blk *nfit_blk, unsigned int bw) if (mmio->num_lines) offset = to_interleave_offset(offset, mmio); - return readq(mmio->base + offset); + return readl(mmio->base + offset); } static void write_blk_ctl(struct nfit_blk *nfit_blk, unsigned int bw, diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index acaa3b4ea504..72b6e9ef0ae9 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -15,10 +15,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * */ diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 3b8963f21b36..739a4a6b3b9b 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -19,10 +19,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * */ @@ -47,6 +43,7 @@ #include <asm/io.h> #include <asm/uaccess.h> +#include <asm-generic/io-64-nonatomic-lo-hi.h> #include "internal.h" @@ -83,6 +80,7 @@ static void *acpi_irq_context; static struct workqueue_struct *kacpid_wq; static struct workqueue_struct *kacpi_notify_wq; static struct workqueue_struct *kacpi_hotplug_wq; +static bool acpi_os_initialized; /* * This list of permanent mappings is for memory that may be accessed from @@ -947,21 +945,6 @@ acpi_status acpi_os_write_port(acpi_io_address port, u32 value, u32 width) EXPORT_SYMBOL(acpi_os_write_port); -#ifdef readq -static inline u64 read64(const volatile void __iomem *addr) -{ - return readq(addr); -} -#else -static inline u64 read64(const volatile void __iomem *addr) -{ - u64 l, h; - l = readl(addr); - h = readl(addr+4); - return l | (h << 32); -} -#endif - acpi_status acpi_os_read_memory(acpi_physical_address phys_addr, u64 *value, u32 width) { @@ -994,7 +977,7 @@ acpi_os_read_memory(acpi_physical_address phys_addr, u64 *value, u32 width) *(u32 *) value = readl(virt_addr); break; case 64: - *(u64 *) value = read64(virt_addr); + *(u64 *) value = readq(virt_addr); break; default: BUG(); @@ -1008,19 +991,6 @@ acpi_os_read_memory(acpi_physical_address phys_addr, u64 *value, u32 width) return AE_OK; } -#ifdef writeq -static inline void write64(u64 val, volatile void __iomem *addr) -{ - writeq(val, addr); -} -#else -static inline void write64(u64 val, volatile void __iomem *addr) -{ - writel(val, addr); - writel(val>>32, addr+4); -} -#endif - acpi_status acpi_os_write_memory(acpi_physical_address phys_addr, u64 value, u32 width) { @@ -1049,7 +1019,7 @@ acpi_os_write_memory(acpi_physical_address phys_addr, u64 value, u32 width) writel(value, virt_addr); break; case 64: - write64(value, virt_addr); + writeq(value, virt_addr); break; default: BUG(); @@ -1316,6 +1286,9 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout) long jiffies; int ret = 0; + if (!acpi_os_initialized) + return AE_OK; + if (!sem || (units < 1)) return AE_BAD_PARAMETER; @@ -1355,6 +1328,9 @@ acpi_status acpi_os_signal_semaphore(acpi_handle handle, u32 units) { struct semaphore *sem = (struct semaphore *)handle; + if (!acpi_os_initialized) + return AE_OK; + if (!sem || (units < 1)) return AE_BAD_PARAMETER; @@ -1863,6 +1839,7 @@ acpi_status __init acpi_os_initialize(void) rv = acpi_os_map_generic_address(&acpi_gbl_FADT.reset_register); pr_debug(PREFIX "%s: map reset_reg status %d\n", __func__, rv); } + acpi_os_initialized = true; return AE_OK; } diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index 304eccb0ae5c..25fff35df82c 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -19,10 +19,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index cfd7581cc19f..3b4ea98e3ea0 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -17,10 +17,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * TBD: @@ -826,6 +822,22 @@ void acpi_penalize_isa_irq(int irq, int active) } /* + * Penalize IRQ used by ACPI SCI. If ACPI SCI pin attributes conflict with + * PCI IRQ attributes, mark ACPI SCI as ISA_ALWAYS so it won't be use for + * PCI IRQs. + */ +void acpi_penalize_sci_irq(int irq, int trigger, int polarity) +{ + if (irq >= 0 && irq < ARRAY_SIZE(acpi_irq_penalty)) { + if (trigger != ACPI_MADT_TRIGGER_LEVEL || + polarity != ACPI_MADT_POLARITY_ACTIVE_LOW) + acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_ALWAYS; + else + acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING; + } +} + +/* * Over-ride default table to reserve additional IRQs for use by ISA * e.g. acpi_irq_isa=5 * Useful for telling ACPI how not to interfere with your ISA sound card. diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 1b5569c092c6..393706a5261b 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -16,10 +16,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c index 139d9e479370..7188e53b6b7c 100644 --- a/drivers/acpi/pci_slot.c +++ b/drivers/acpi/pci_slot.c @@ -20,10 +20,6 @@ * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. */ #include <linux/kernel.h> diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 93eac53b5110..fcd4ce6f78d5 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -1,8 +1,10 @@ /* - * acpi_power.c - ACPI Bus Power Management ($Revision: 39 $) + * drivers/acpi/power.c - ACPI Power Resources management. * - * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> - * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> + * Copyright (C) 2001 - 2015 Intel Corp. + * Author: Andy Grover <andrew.grover@intel.com> + * Author: Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> + * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com> * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * @@ -16,10 +18,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ @@ -27,10 +25,11 @@ * ACPI power-managed devices may be controlled in two ways: * 1. via "Device Specific (D-State) Control" * 2. via "Power Resource Control". - * This module is used to manage devices relying on Power Resource Control. + * The code below deals with ACPI Power Resources control. * - * An ACPI "power resource object" describes a software controllable power - * plane, clock plane, or other resource used by a power managed device. + * An ACPI "power resource object" represents a software controllable power + * plane, clock plane, or other resource depended on by a device. + * * A device may rely on multiple power resources, and a power resource * may be shared by multiple devices. */ diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index d9f71581b79b..51e658f21e95 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -21,10 +21,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ @@ -159,38 +155,28 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb, return NOTIFY_OK; } -static struct notifier_block __refdata acpi_cpu_notifier = { +static struct notifier_block acpi_cpu_notifier = { .notifier_call = acpi_cpu_soft_notify, }; -static int __acpi_processor_start(struct acpi_device *device) +#ifdef CONFIG_ACPI_CPU_FREQ_PSS +static int acpi_pss_perf_init(struct acpi_processor *pr, + struct acpi_device *device) { - struct acpi_processor *pr = acpi_driver_data(device); - acpi_status status; int result = 0; - if (!pr) - return -ENODEV; - - if (pr->flags.need_hotplug_init) - return 0; - -#ifdef CONFIG_CPU_FREQ acpi_processor_ppc_has_changed(pr, 0); -#endif + acpi_processor_get_throttling_info(pr); if (pr->flags.throttling) pr->flags.limit = 1; - if (!cpuidle_get_driver() || cpuidle_get_driver() == &acpi_idle_driver) - acpi_processor_power_init(pr); - pr->cdev = thermal_cooling_device_register("Processor", device, &processor_cooling_ops); if (IS_ERR(pr->cdev)) { result = PTR_ERR(pr->cdev); - goto err_power_exit; + return result; } dev_dbg(&device->dev, "registered as cooling_device%d\n", @@ -204,6 +190,7 @@ static int __acpi_processor_start(struct acpi_device *device) "Failed to create sysfs link 'thermal_cooling'\n"); goto err_thermal_unregister; } + result = sysfs_create_link(&pr->cdev->device.kobj, &device->dev.kobj, "device"); @@ -213,17 +200,61 @@ static int __acpi_processor_start(struct acpi_device *device) goto err_remove_sysfs_thermal; } - status = acpi_install_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, - acpi_processor_notify, device); - if (ACPI_SUCCESS(status)) - return 0; - sysfs_remove_link(&pr->cdev->device.kobj, "device"); err_remove_sysfs_thermal: sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); err_thermal_unregister: thermal_cooling_device_unregister(pr->cdev); - err_power_exit: + + return result; +} + +static void acpi_pss_perf_exit(struct acpi_processor *pr, + struct acpi_device *device) +{ + if (pr->cdev) { + sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); + sysfs_remove_link(&pr->cdev->device.kobj, "device"); + thermal_cooling_device_unregister(pr->cdev); + pr->cdev = NULL; + } +} +#else +static inline int acpi_pss_perf_init(struct acpi_processor *pr, + struct acpi_device *device) +{ + return 0; +} + +static inline void acpi_pss_perf_exit(struct acpi_processor *pr, + struct acpi_device *device) {} +#endif /* CONFIG_ACPI_CPU_FREQ_PSS */ + +static int __acpi_processor_start(struct acpi_device *device) +{ + struct acpi_processor *pr = acpi_driver_data(device); + acpi_status status; + int result = 0; + + if (!pr) + return -ENODEV; + + if (pr->flags.need_hotplug_init) + return 0; + + if (!cpuidle_get_driver() || cpuidle_get_driver() == &acpi_idle_driver) + acpi_processor_power_init(pr); + + result = acpi_pss_perf_init(pr, device); + if (result) + goto err_power_exit; + + status = acpi_install_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, + acpi_processor_notify, device); + if (ACPI_SUCCESS(status)) + return 0; + +err_power_exit: acpi_processor_power_exit(pr); return result; } @@ -252,15 +283,10 @@ static int acpi_processor_stop(struct device *dev) pr = acpi_driver_data(device); if (!pr) return 0; - acpi_processor_power_exit(pr); - if (pr->cdev) { - sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); - sysfs_remove_link(&pr->cdev->device.kobj, "device"); - thermal_cooling_device_unregister(pr->cdev); - pr->cdev = NULL; - } + acpi_pss_perf_exit(pr, device); + return 0; } diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index d540f42c9232..175c86bee3a9 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -21,10 +21,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index cfc8aba72f86..bb01dea39fdc 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -20,10 +20,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * */ #include <linux/kernel.h> @@ -87,7 +83,7 @@ static int acpi_processor_ppc_notifier(struct notifier_block *nb, if (ignore_ppc) return 0; - if (event != CPUFREQ_INCOMPATIBLE) + if (event != CPUFREQ_ADJUST) return 0; mutex_lock(&performance_mutex); @@ -784,9 +780,7 @@ acpi_processor_register_performance(struct acpi_processor_performance EXPORT_SYMBOL(acpi_processor_register_performance); -void -acpi_processor_unregister_performance(struct acpi_processor_performance - *performance, unsigned int cpu) +void acpi_processor_unregister_performance(unsigned int cpu) { struct acpi_processor *pr; diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index e003663b2f8e..1fed84a092c2 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -19,10 +19,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index 84243c32e29c..f170d746336d 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -19,10 +19,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index 7836e2e980f4..6d99450549c5 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -528,13 +528,14 @@ int acpi_dev_prop_read(struct acpi_device *adev, const char *propname, if (!val) return obj->package.count; - else if (nval <= 0) - return -EINVAL; if (nval > obj->package.count) return -EOVERFLOW; + else if (nval <= 0) + return -EINVAL; items = obj->package.elements; + switch (proptype) { case DEV_PROP_U8: ret = acpi_copy_property_array_u8(items, (u8 *)val, nval); diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index f1c966e05078..15d22db05054 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -15,10 +15,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 01504c819e8f..cb3dedb1beae 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -17,10 +17,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index ec256352f423..01136b879038 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -115,264 +115,6 @@ int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, return 0; } -/** - * create_pnp_modalias - Create hid/cid(s) string for modalias and uevent - * @acpi_dev: ACPI device object. - * @modalias: Buffer to print into. - * @size: Size of the buffer. - * - * Creates hid/cid(s) string needed for modalias and uevent - * e.g. on a device with hid:IBM0001 and cid:ACPI0001 you get: - * char *modalias: "acpi:IBM0001:ACPI0001" - * Return: 0: no _HID and no _CID - * -EINVAL: output error - * -ENOMEM: output is truncated -*/ -static int create_pnp_modalias(struct acpi_device *acpi_dev, char *modalias, - int size) -{ - int len; - int count; - struct acpi_hardware_id *id; - - /* - * Since we skip ACPI_DT_NAMESPACE_HID from the modalias below, 0 should - * be returned if ACPI_DT_NAMESPACE_HID is the only ACPI/PNP ID in the - * device's list. - */ - count = 0; - list_for_each_entry(id, &acpi_dev->pnp.ids, list) - if (strcmp(id->id, ACPI_DT_NAMESPACE_HID)) - count++; - - if (!count) - return 0; - - len = snprintf(modalias, size, "acpi:"); - if (len <= 0) - return len; - - size -= len; - - list_for_each_entry(id, &acpi_dev->pnp.ids, list) { - if (!strcmp(id->id, ACPI_DT_NAMESPACE_HID)) - continue; - - count = snprintf(&modalias[len], size, "%s:", id->id); - if (count < 0) - return -EINVAL; - - if (count >= size) - return -ENOMEM; - - len += count; - size -= count; - } - modalias[len] = '\0'; - return len; -} - -/** - * create_of_modalias - Creates DT compatible string for modalias and uevent - * @acpi_dev: ACPI device object. - * @modalias: Buffer to print into. - * @size: Size of the buffer. - * - * Expose DT compatible modalias as of:NnameTCcompatible. This function should - * only be called for devices having ACPI_DT_NAMESPACE_HID in their list of - * ACPI/PNP IDs. - */ -static int create_of_modalias(struct acpi_device *acpi_dev, char *modalias, - int size) -{ - struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER }; - const union acpi_object *of_compatible, *obj; - int len, count; - int i, nval; - char *c; - - acpi_get_name(acpi_dev->handle, ACPI_SINGLE_NAME, &buf); - /* DT strings are all in lower case */ - for (c = buf.pointer; *c != '\0'; c++) - *c = tolower(*c); - - len = snprintf(modalias, size, "of:N%sT", (char *)buf.pointer); - ACPI_FREE(buf.pointer); - - if (len <= 0) - return len; - - of_compatible = acpi_dev->data.of_compatible; - if (of_compatible->type == ACPI_TYPE_PACKAGE) { - nval = of_compatible->package.count; - obj = of_compatible->package.elements; - } else { /* Must be ACPI_TYPE_STRING. */ - nval = 1; - obj = of_compatible; - } - for (i = 0; i < nval; i++, obj++) { - count = snprintf(&modalias[len], size, "C%s", - obj->string.pointer); - if (count < 0) - return -EINVAL; - - if (count >= size) - return -ENOMEM; - - len += count; - size -= count; - } - modalias[len] = '\0'; - return len; -} - -/* - * acpi_companion_match() - Can we match via ACPI companion device - * @dev: Device in question - * - * Check if the given device has an ACPI companion and if that companion has - * a valid list of PNP IDs, and if the device is the first (primary) physical - * device associated with it. Return the companion pointer if that's the case - * or NULL otherwise. - * - * If multiple physical devices are attached to a single ACPI companion, we need - * to be careful. The usage scenario for this kind of relationship is that all - * of the physical devices in question use resources provided by the ACPI - * companion. A typical case is an MFD device where all the sub-devices share - * the parent's ACPI companion. In such cases we can only allow the primary - * (first) physical device to be matched with the help of the companion's PNP - * IDs. - * - * Additional physical devices sharing the ACPI companion can still use - * resources available from it but they will be matched normally using functions - * provided by their bus types (and analogously for their modalias). - */ -static struct acpi_device *acpi_companion_match(const struct device *dev) -{ - struct acpi_device *adev; - struct mutex *physical_node_lock; - - adev = ACPI_COMPANION(dev); - if (!adev) - return NULL; - - if (list_empty(&adev->pnp.ids)) - return NULL; - - physical_node_lock = &adev->physical_node_lock; - mutex_lock(physical_node_lock); - if (list_empty(&adev->physical_node_list)) { - adev = NULL; - } else { - const struct acpi_device_physical_node *node; - - node = list_first_entry(&adev->physical_node_list, - struct acpi_device_physical_node, node); - if (node->dev != dev) - adev = NULL; - } - mutex_unlock(physical_node_lock); - - return adev; -} - -static int __acpi_device_uevent_modalias(struct acpi_device *adev, - struct kobj_uevent_env *env) -{ - int len; - - if (!adev) - return -ENODEV; - - if (list_empty(&adev->pnp.ids)) - return 0; - - if (add_uevent_var(env, "MODALIAS=")) - return -ENOMEM; - - len = create_pnp_modalias(adev, &env->buf[env->buflen - 1], - sizeof(env->buf) - env->buflen); - if (len < 0) - return len; - - env->buflen += len; - if (!adev->data.of_compatible) - return 0; - - if (len > 0 && add_uevent_var(env, "MODALIAS=")) - return -ENOMEM; - - len = create_of_modalias(adev, &env->buf[env->buflen - 1], - sizeof(env->buf) - env->buflen); - if (len < 0) - return len; - - env->buflen += len; - - return 0; -} - -/* - * Creates uevent modalias field for ACPI enumerated devices. - * Because the other buses does not support ACPI HIDs & CIDs. - * e.g. for a device with hid:IBM0001 and cid:ACPI0001 you get: - * "acpi:IBM0001:ACPI0001" - */ -int acpi_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env) -{ - return __acpi_device_uevent_modalias(acpi_companion_match(dev), env); -} -EXPORT_SYMBOL_GPL(acpi_device_uevent_modalias); - -static int __acpi_device_modalias(struct acpi_device *adev, char *buf, int size) -{ - int len, count; - - if (!adev) - return -ENODEV; - - if (list_empty(&adev->pnp.ids)) - return 0; - - len = create_pnp_modalias(adev, buf, size - 1); - if (len < 0) { - return len; - } else if (len > 0) { - buf[len++] = '\n'; - size -= len; - } - if (!adev->data.of_compatible) - return len; - - count = create_of_modalias(adev, buf + len, size - 1); - if (count < 0) { - return count; - } else if (count > 0) { - len += count; - buf[len++] = '\n'; - } - - return len; -} - -/* - * Creates modalias sysfs attribute for ACPI enumerated devices. - * Because the other buses does not support ACPI HIDs & CIDs. - * e.g. for a device with hid:IBM0001 and cid:ACPI0001 you get: - * "acpi:IBM0001:ACPI0001" - */ -int acpi_device_modalias(struct device *dev, char *buf, int size) -{ - return __acpi_device_modalias(acpi_companion_match(dev), buf, size); -} -EXPORT_SYMBOL_GPL(acpi_device_modalias); - -static ssize_t -acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { - return __acpi_device_modalias(to_acpi_device(dev), buf, 1024); -} -static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL); - bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent) { struct acpi_device_physical_node *pn; @@ -701,423 +443,6 @@ void acpi_device_hotplug(struct acpi_device *adev, u32 src) unlock_device_hotplug(); } -static ssize_t real_power_state_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct acpi_device *adev = to_acpi_device(dev); - int state; - int ret; - - ret = acpi_device_get_power(adev, &state); - if (ret) - return ret; - - return sprintf(buf, "%s\n", acpi_power_state_string(state)); -} - -static DEVICE_ATTR(real_power_state, 0444, real_power_state_show, NULL); - -static ssize_t power_state_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct acpi_device *adev = to_acpi_device(dev); - - return sprintf(buf, "%s\n", acpi_power_state_string(adev->power.state)); -} - -static DEVICE_ATTR(power_state, 0444, power_state_show, NULL); - -static ssize_t -acpi_eject_store(struct device *d, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct acpi_device *acpi_device = to_acpi_device(d); - acpi_object_type not_used; - acpi_status status; - - if (!count || buf[0] != '1') - return -EINVAL; - - if ((!acpi_device->handler || !acpi_device->handler->hotplug.enabled) - && !acpi_device->driver) - return -ENODEV; - - status = acpi_get_type(acpi_device->handle, ¬_used); - if (ACPI_FAILURE(status) || !acpi_device->flags.ejectable) - return -ENODEV; - - get_device(&acpi_device->dev); - status = acpi_hotplug_schedule(acpi_device, ACPI_OST_EC_OSPM_EJECT); - if (ACPI_SUCCESS(status)) - return count; - - put_device(&acpi_device->dev); - acpi_evaluate_ost(acpi_device->handle, ACPI_OST_EC_OSPM_EJECT, - ACPI_OST_SC_NON_SPECIFIC_FAILURE, NULL); - return status == AE_NO_MEMORY ? -ENOMEM : -EAGAIN; -} - -static DEVICE_ATTR(eject, 0200, NULL, acpi_eject_store); - -static ssize_t -acpi_device_hid_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct acpi_device *acpi_dev = to_acpi_device(dev); - - return sprintf(buf, "%s\n", acpi_device_hid(acpi_dev)); -} -static DEVICE_ATTR(hid, 0444, acpi_device_hid_show, NULL); - -static ssize_t acpi_device_uid_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct acpi_device *acpi_dev = to_acpi_device(dev); - - return sprintf(buf, "%s\n", acpi_dev->pnp.unique_id); -} -static DEVICE_ATTR(uid, 0444, acpi_device_uid_show, NULL); - -static ssize_t acpi_device_adr_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct acpi_device *acpi_dev = to_acpi_device(dev); - - return sprintf(buf, "0x%08x\n", - (unsigned int)(acpi_dev->pnp.bus_address)); -} -static DEVICE_ATTR(adr, 0444, acpi_device_adr_show, NULL); - -static ssize_t -acpi_device_path_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct acpi_device *acpi_dev = to_acpi_device(dev); - struct acpi_buffer path = {ACPI_ALLOCATE_BUFFER, NULL}; - int result; - - result = acpi_get_name(acpi_dev->handle, ACPI_FULL_PATHNAME, &path); - if (result) - goto end; - - result = sprintf(buf, "%s\n", (char*)path.pointer); - kfree(path.pointer); -end: - return result; -} -static DEVICE_ATTR(path, 0444, acpi_device_path_show, NULL); - -/* sysfs file that shows description text from the ACPI _STR method */ -static ssize_t description_show(struct device *dev, - struct device_attribute *attr, - char *buf) { - struct acpi_device *acpi_dev = to_acpi_device(dev); - int result; - - if (acpi_dev->pnp.str_obj == NULL) - return 0; - - /* - * The _STR object contains a Unicode identifier for a device. - * We need to convert to utf-8 so it can be displayed. - */ - result = utf16s_to_utf8s( - (wchar_t *)acpi_dev->pnp.str_obj->buffer.pointer, - acpi_dev->pnp.str_obj->buffer.length, - UTF16_LITTLE_ENDIAN, buf, - PAGE_SIZE); - - buf[result++] = '\n'; - - return result; -} -static DEVICE_ATTR(description, 0444, description_show, NULL); - -static ssize_t -acpi_device_sun_show(struct device *dev, struct device_attribute *attr, - char *buf) { - struct acpi_device *acpi_dev = to_acpi_device(dev); - acpi_status status; - unsigned long long sun; - - status = acpi_evaluate_integer(acpi_dev->handle, "_SUN", NULL, &sun); - if (ACPI_FAILURE(status)) - return -ENODEV; - - return sprintf(buf, "%llu\n", sun); -} -static DEVICE_ATTR(sun, 0444, acpi_device_sun_show, NULL); - -static ssize_t status_show(struct device *dev, struct device_attribute *attr, - char *buf) { - struct acpi_device *acpi_dev = to_acpi_device(dev); - acpi_status status; - unsigned long long sta; - - status = acpi_evaluate_integer(acpi_dev->handle, "_STA", NULL, &sta); - if (ACPI_FAILURE(status)) - return -ENODEV; - - return sprintf(buf, "%llu\n", sta); -} -static DEVICE_ATTR_RO(status); - -static int acpi_device_setup_files(struct acpi_device *dev) -{ - struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; - acpi_status status; - int result = 0; - - /* - * Devices gotten from FADT don't have a "path" attribute - */ - if (dev->handle) { - result = device_create_file(&dev->dev, &dev_attr_path); - if (result) - goto end; - } - - if (!list_empty(&dev->pnp.ids)) { - result = device_create_file(&dev->dev, &dev_attr_hid); - if (result) - goto end; - - result = device_create_file(&dev->dev, &dev_attr_modalias); - if (result) - goto end; - } - - /* - * If device has _STR, 'description' file is created - */ - if (acpi_has_method(dev->handle, "_STR")) { - status = acpi_evaluate_object(dev->handle, "_STR", - NULL, &buffer); - if (ACPI_FAILURE(status)) - buffer.pointer = NULL; - dev->pnp.str_obj = buffer.pointer; - result = device_create_file(&dev->dev, &dev_attr_description); - if (result) - goto end; - } - - if (dev->pnp.type.bus_address) - result = device_create_file(&dev->dev, &dev_attr_adr); - if (dev->pnp.unique_id) - result = device_create_file(&dev->dev, &dev_attr_uid); - - if (acpi_has_method(dev->handle, "_SUN")) { - result = device_create_file(&dev->dev, &dev_attr_sun); - if (result) - goto end; - } - - if (acpi_has_method(dev->handle, "_STA")) { - result = device_create_file(&dev->dev, &dev_attr_status); - if (result) - goto end; - } - - /* - * If device has _EJ0, 'eject' file is created that is used to trigger - * hot-removal function from userland. - */ - if (acpi_has_method(dev->handle, "_EJ0")) { - result = device_create_file(&dev->dev, &dev_attr_eject); - if (result) - return result; - } - - if (dev->flags.power_manageable) { - result = device_create_file(&dev->dev, &dev_attr_power_state); - if (result) - return result; - - if (dev->power.flags.power_resources) - result = device_create_file(&dev->dev, - &dev_attr_real_power_state); - } - -end: - return result; -} - -static void acpi_device_remove_files(struct acpi_device *dev) -{ - if (dev->flags.power_manageable) { - device_remove_file(&dev->dev, &dev_attr_power_state); - if (dev->power.flags.power_resources) - device_remove_file(&dev->dev, - &dev_attr_real_power_state); - } - - /* - * If device has _STR, remove 'description' file - */ - if (acpi_has_method(dev->handle, "_STR")) { - kfree(dev->pnp.str_obj); - device_remove_file(&dev->dev, &dev_attr_description); - } - /* - * If device has _EJ0, remove 'eject' file. - */ - if (acpi_has_method(dev->handle, "_EJ0")) - device_remove_file(&dev->dev, &dev_attr_eject); - - if (acpi_has_method(dev->handle, "_SUN")) - device_remove_file(&dev->dev, &dev_attr_sun); - - if (dev->pnp.unique_id) - device_remove_file(&dev->dev, &dev_attr_uid); - if (dev->pnp.type.bus_address) - device_remove_file(&dev->dev, &dev_attr_adr); - device_remove_file(&dev->dev, &dev_attr_modalias); - device_remove_file(&dev->dev, &dev_attr_hid); - if (acpi_has_method(dev->handle, "_STA")) - device_remove_file(&dev->dev, &dev_attr_status); - if (dev->handle) - device_remove_file(&dev->dev, &dev_attr_path); -} -/* -------------------------------------------------------------------------- - ACPI Bus operations - -------------------------------------------------------------------------- */ - -/** - * acpi_of_match_device - Match device object using the "compatible" property. - * @adev: ACPI device object to match. - * @of_match_table: List of device IDs to match against. - * - * If @dev has an ACPI companion which has ACPI_DT_NAMESPACE_HID in its list of - * identifiers and a _DSD object with the "compatible" property, use that - * property to match against the given list of identifiers. - */ -static bool acpi_of_match_device(struct acpi_device *adev, - const struct of_device_id *of_match_table) -{ - const union acpi_object *of_compatible, *obj; - int i, nval; - - if (!adev) - return false; - - of_compatible = adev->data.of_compatible; - if (!of_match_table || !of_compatible) - return false; - - if (of_compatible->type == ACPI_TYPE_PACKAGE) { - nval = of_compatible->package.count; - obj = of_compatible->package.elements; - } else { /* Must be ACPI_TYPE_STRING. */ - nval = 1; - obj = of_compatible; - } - /* Now we can look for the driver DT compatible strings */ - for (i = 0; i < nval; i++, obj++) { - const struct of_device_id *id; - - for (id = of_match_table; id->compatible[0]; id++) - if (!strcasecmp(obj->string.pointer, id->compatible)) - return true; - } - - return false; -} - -static bool __acpi_match_device_cls(const struct acpi_device_id *id, - struct acpi_hardware_id *hwid) -{ - int i, msk, byte_shift; - char buf[3]; - - if (!id->cls) - return false; - - /* Apply class-code bitmask, before checking each class-code byte */ - for (i = 1; i <= 3; i++) { - byte_shift = 8 * (3 - i); - msk = (id->cls_msk >> byte_shift) & 0xFF; - if (!msk) - continue; - - sprintf(buf, "%02x", (id->cls >> byte_shift) & msk); - if (strncmp(buf, &hwid->id[(i - 1) * 2], 2)) - return false; - } - return true; -} - -static const struct acpi_device_id *__acpi_match_device( - struct acpi_device *device, - const struct acpi_device_id *ids, - const struct of_device_id *of_ids) -{ - const struct acpi_device_id *id; - struct acpi_hardware_id *hwid; - - /* - * If the device is not present, it is unnecessary to load device - * driver for it. - */ - if (!device || !device->status.present) - return NULL; - - list_for_each_entry(hwid, &device->pnp.ids, list) { - /* First, check the ACPI/PNP IDs provided by the caller. */ - for (id = ids; id->id[0] || id->cls; id++) { - if (id->id[0] && !strcmp((char *) id->id, hwid->id)) - return id; - else if (id->cls && __acpi_match_device_cls(id, hwid)) - return id; - } - - /* - * Next, check ACPI_DT_NAMESPACE_HID and try to match the - * "compatible" property if found. - * - * The id returned by the below is not valid, but the only - * caller passing non-NULL of_ids here is only interested in - * whether or not the return value is NULL. - */ - if (!strcmp(ACPI_DT_NAMESPACE_HID, hwid->id) - && acpi_of_match_device(device, of_ids)) - return id; - } - return NULL; -} - -/** - * acpi_match_device - Match a struct device against a given list of ACPI IDs - * @ids: Array of struct acpi_device_id object to match against. - * @dev: The device structure to match. - * - * Check if @dev has a valid ACPI handle and if there is a struct acpi_device - * object for that handle and use that object to match against a given list of - * device IDs. - * - * Return a pointer to the first matching ID on success or %NULL on failure. - */ -const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, - const struct device *dev) -{ - return __acpi_match_device(acpi_companion_match(dev), ids, NULL); -} -EXPORT_SYMBOL_GPL(acpi_match_device); - -int acpi_match_device_ids(struct acpi_device *device, - const struct acpi_device_id *ids) -{ - return __acpi_match_device(device, ids, NULL) ? 0 : -ENOENT; -} -EXPORT_SYMBOL(acpi_match_device_ids); - -bool acpi_driver_match_device(struct device *dev, - const struct device_driver *drv) -{ - if (!drv->acpi_match_table) - return acpi_of_match_device(ACPI_COMPANION(dev), - drv->of_match_table); - - return !!__acpi_match_device(acpi_companion_match(dev), - drv->acpi_match_table, drv->of_match_table); -} -EXPORT_SYMBOL_GPL(acpi_driver_match_device); - static void acpi_free_power_resources_lists(struct acpi_device *device) { int i; @@ -1144,144 +469,6 @@ static void acpi_device_release(struct device *dev) kfree(acpi_dev); } -static int acpi_bus_match(struct device *dev, struct device_driver *drv) -{ - struct acpi_device *acpi_dev = to_acpi_device(dev); - struct acpi_driver *acpi_drv = to_acpi_driver(drv); - - return acpi_dev->flags.match_driver - && !acpi_match_device_ids(acpi_dev, acpi_drv->ids); -} - -static int acpi_device_uevent(struct device *dev, struct kobj_uevent_env *env) -{ - return __acpi_device_uevent_modalias(to_acpi_device(dev), env); -} - -static void acpi_device_notify(acpi_handle handle, u32 event, void *data) -{ - struct acpi_device *device = data; - - device->driver->ops.notify(device, event); -} - -static void acpi_device_notify_fixed(void *data) -{ - struct acpi_device *device = data; - - /* Fixed hardware devices have no handles */ - acpi_device_notify(NULL, ACPI_FIXED_HARDWARE_EVENT, device); -} - -static u32 acpi_device_fixed_event(void *data) -{ - acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_device_notify_fixed, data); - return ACPI_INTERRUPT_HANDLED; -} - -static int acpi_device_install_notify_handler(struct acpi_device *device) -{ - acpi_status status; - - if (device->device_type == ACPI_BUS_TYPE_POWER_BUTTON) - status = - acpi_install_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, - acpi_device_fixed_event, - device); - else if (device->device_type == ACPI_BUS_TYPE_SLEEP_BUTTON) - status = - acpi_install_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, - acpi_device_fixed_event, - device); - else - status = acpi_install_notify_handler(device->handle, - ACPI_DEVICE_NOTIFY, - acpi_device_notify, - device); - - if (ACPI_FAILURE(status)) - return -EINVAL; - return 0; -} - -static void acpi_device_remove_notify_handler(struct acpi_device *device) -{ - if (device->device_type == ACPI_BUS_TYPE_POWER_BUTTON) - acpi_remove_fixed_event_handler(ACPI_EVENT_POWER_BUTTON, - acpi_device_fixed_event); - else if (device->device_type == ACPI_BUS_TYPE_SLEEP_BUTTON) - acpi_remove_fixed_event_handler(ACPI_EVENT_SLEEP_BUTTON, - acpi_device_fixed_event); - else - acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, - acpi_device_notify); -} - -static int acpi_device_probe(struct device *dev) -{ - struct acpi_device *acpi_dev = to_acpi_device(dev); - struct acpi_driver *acpi_drv = to_acpi_driver(dev->driver); - int ret; - - if (acpi_dev->handler && !acpi_is_pnp_device(acpi_dev)) - return -EINVAL; - - if (!acpi_drv->ops.add) - return -ENOSYS; - - ret = acpi_drv->ops.add(acpi_dev); - if (ret) - return ret; - - acpi_dev->driver = acpi_drv; - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Driver [%s] successfully bound to device [%s]\n", - acpi_drv->name, acpi_dev->pnp.bus_id)); - - if (acpi_drv->ops.notify) { - ret = acpi_device_install_notify_handler(acpi_dev); - if (ret) { - if (acpi_drv->ops.remove) - acpi_drv->ops.remove(acpi_dev); - - acpi_dev->driver = NULL; - acpi_dev->driver_data = NULL; - return ret; - } - } - - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found driver [%s] for device [%s]\n", - acpi_drv->name, acpi_dev->pnp.bus_id)); - get_device(dev); - return 0; -} - -static int acpi_device_remove(struct device * dev) -{ - struct acpi_device *acpi_dev = to_acpi_device(dev); - struct acpi_driver *acpi_drv = acpi_dev->driver; - - if (acpi_drv) { - if (acpi_drv->ops.notify) - acpi_device_remove_notify_handler(acpi_dev); - if (acpi_drv->ops.remove) - acpi_drv->ops.remove(acpi_dev); - } - acpi_dev->driver = NULL; - acpi_dev->driver_data = NULL; - - put_device(dev); - return 0; -} - -struct bus_type acpi_bus_type = { - .name = "acpi", - .match = acpi_bus_match, - .probe = acpi_device_probe, - .remove = acpi_device_remove, - .uevent = acpi_device_uevent, -}; - static void acpi_device_del(struct acpi_device *device) { mutex_lock(&acpi_device_lock); @@ -1529,47 +716,6 @@ struct acpi_device *acpi_get_next_child(struct device *dev, } /* -------------------------------------------------------------------------- - Driver Management - -------------------------------------------------------------------------- */ -/** - * acpi_bus_register_driver - register a driver with the ACPI bus - * @driver: driver being registered - * - * Registers a driver with the ACPI bus. Searches the namespace for all - * devices that match the driver's criteria and binds. Returns zero for - * success or a negative error status for failure. - */ -int acpi_bus_register_driver(struct acpi_driver *driver) -{ - int ret; - - if (acpi_disabled) - return -ENODEV; - driver->drv.name = driver->name; - driver->drv.bus = &acpi_bus_type; - driver->drv.owner = driver->owner; - - ret = driver_register(&driver->drv); - return ret; -} - -EXPORT_SYMBOL(acpi_bus_register_driver); - -/** - * acpi_bus_unregister_driver - unregisters a driver with the ACPI bus - * @driver: driver to unregister - * - * Unregisters a driver with the ACPI bus. Searches the namespace for all - * devices that match the driver's criteria and unbinds. - */ -void acpi_bus_unregister_driver(struct acpi_driver *driver) -{ - driver_unregister(&driver->drv); -} - -EXPORT_SYMBOL(acpi_bus_unregister_driver); - -/* -------------------------------------------------------------------------- Device Enumeration -------------------------------------------------------------------------- */ static struct acpi_device *acpi_bus_get_parent(acpi_handle handle) @@ -2744,12 +1890,6 @@ int __init acpi_scan_init(void) { int result; - result = bus_register(&acpi_bus_type); - if (result) { - /* We don't want to quit even if we failed to add suspend/resume */ - printk(KERN_ERR PREFIX "Could not register bus type\n"); - } - acpi_pci_root_init(); acpi_pci_link_init(); acpi_processor_init(); diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 0876d77b3206..40a42655227c 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -69,6 +69,8 @@ static const struct acpi_dlevel acpi_debug_levels[] = { ACPI_DEBUG_INIT(ACPI_LV_INIT), ACPI_DEBUG_INIT(ACPI_LV_DEBUG_OBJECT), ACPI_DEBUG_INIT(ACPI_LV_INFO), + ACPI_DEBUG_INIT(ACPI_LV_REPAIR), + ACPI_DEBUG_INIT(ACPI_LV_TRACE_POINT), ACPI_DEBUG_INIT(ACPI_LV_INIT_NAMES), ACPI_DEBUG_INIT(ACPI_LV_PARSE), @@ -162,55 +164,116 @@ static const struct kernel_param_ops param_ops_debug_level = { module_param_cb(debug_layer, ¶m_ops_debug_layer, &acpi_dbg_layer, 0644); module_param_cb(debug_level, ¶m_ops_debug_level, &acpi_dbg_level, 0644); -static char trace_method_name[6]; -module_param_string(trace_method_name, trace_method_name, 6, 0644); -static unsigned int trace_debug_layer; -module_param(trace_debug_layer, uint, 0644); -static unsigned int trace_debug_level; -module_param(trace_debug_level, uint, 0644); +static char trace_method_name[1024]; -static int param_set_trace_state(const char *val, struct kernel_param *kp) +int param_set_trace_method_name(const char *val, const struct kernel_param *kp) { - int result = 0; + u32 saved_flags = 0; + bool is_abs_path = true; - if (!strncmp(val, "enable", sizeof("enable") - 1)) { - result = acpi_debug_trace(trace_method_name, trace_debug_level, - trace_debug_layer, 0); - if (result) - result = -EBUSY; - goto exit; - } + if (*val != '\\') + is_abs_path = false; - if (!strncmp(val, "disable", sizeof("disable") - 1)) { - int name = 0; - result = acpi_debug_trace((char *)&name, trace_debug_level, - trace_debug_layer, 0); - if (result) - result = -EBUSY; - goto exit; + if ((is_abs_path && strlen(val) > 1023) || + (!is_abs_path && strlen(val) > 1022)) { + pr_err("%s: string parameter too long\n", kp->name); + return -ENOSPC; } - if (!strncmp(val, "1", 1)) { - result = acpi_debug_trace(trace_method_name, trace_debug_level, - trace_debug_layer, 1); - if (result) - result = -EBUSY; - goto exit; + /* + * It's not safe to update acpi_gbl_trace_method_name without + * having the tracer stopped, so we save the original tracer + * state and disable it. + */ + saved_flags = acpi_gbl_trace_flags; + (void)acpi_debug_trace(NULL, + acpi_gbl_trace_dbg_level, + acpi_gbl_trace_dbg_layer, + 0); + + /* This is a hack. We can't kmalloc in early boot. */ + if (is_abs_path) + strcpy(trace_method_name, val); + else { + trace_method_name[0] = '\\'; + strcpy(trace_method_name+1, val); } - result = -EINVAL; -exit: - return result; + /* Restore the original tracer state */ + (void)acpi_debug_trace(trace_method_name, + acpi_gbl_trace_dbg_level, + acpi_gbl_trace_dbg_layer, + saved_flags); + + return 0; +} + +static int param_get_trace_method_name(char *buffer, const struct kernel_param *kp) +{ + return scnprintf(buffer, PAGE_SIZE, "%s", acpi_gbl_trace_method_name); +} + +static const struct kernel_param_ops param_ops_trace_method = { + .set = param_set_trace_method_name, + .get = param_get_trace_method_name, +}; + +static const struct kernel_param_ops param_ops_trace_attrib = { + .set = param_set_uint, + .get = param_get_uint, +}; + +module_param_cb(trace_method_name, ¶m_ops_trace_method, &trace_method_name, 0644); +module_param_cb(trace_debug_layer, ¶m_ops_trace_attrib, &acpi_gbl_trace_dbg_layer, 0644); +module_param_cb(trace_debug_level, ¶m_ops_trace_attrib, &acpi_gbl_trace_dbg_level, 0644); + +static int param_set_trace_state(const char *val, struct kernel_param *kp) +{ + acpi_status status; + const char *method = trace_method_name; + u32 flags = 0; + +/* So "xxx-once" comparison should go prior than "xxx" comparison */ +#define acpi_compare_param(val, key) \ + strncmp((val), (key), sizeof(key) - 1) + + if (!acpi_compare_param(val, "enable")) { + method = NULL; + flags = ACPI_TRACE_ENABLED; + } else if (!acpi_compare_param(val, "disable")) + method = NULL; + else if (!acpi_compare_param(val, "method-once")) + flags = ACPI_TRACE_ENABLED | ACPI_TRACE_ONESHOT; + else if (!acpi_compare_param(val, "method")) + flags = ACPI_TRACE_ENABLED; + else if (!acpi_compare_param(val, "opcode-once")) + flags = ACPI_TRACE_ENABLED | ACPI_TRACE_ONESHOT | ACPI_TRACE_OPCODE; + else if (!acpi_compare_param(val, "opcode")) + flags = ACPI_TRACE_ENABLED | ACPI_TRACE_OPCODE; + else + return -EINVAL; + + status = acpi_debug_trace(method, + acpi_gbl_trace_dbg_level, + acpi_gbl_trace_dbg_layer, + flags); + if (ACPI_FAILURE(status)) + return -EBUSY; + + return 0; } static int param_get_trace_state(char *buffer, struct kernel_param *kp) { - if (!acpi_gbl_trace_method_name) + if (!(acpi_gbl_trace_flags & ACPI_TRACE_ENABLED)) return sprintf(buffer, "disable"); else { - if (acpi_gbl_trace_flags & 1) - return sprintf(buffer, "1"); - else + if (acpi_gbl_trace_method_name) { + if (acpi_gbl_trace_flags & ACPI_TRACE_ONESHOT) + return sprintf(buffer, "method-once"); + else + return sprintf(buffer, "method"); + } else return sprintf(buffer, "enable"); } return 0; diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index 2e19189da0ee..17a6fa01a338 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -15,10 +15,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * */ diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 6d4e44ea74ac..fc28b9f5aa84 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -16,10 +16,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * This driver fully implements the ACPI thermal policy as described in the diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 67c548ad3764..475c9079bf85 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -16,10 +16,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 815f75ef2411..2922f1f252d5 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -32,6 +32,7 @@ #include <linux/module.h> #include <linux/pci.h> #include <linux/types.h> +#include <linux/workqueue.h> #include <acpi/video.h> ACPI_MODULE_NAME("video"); @@ -41,6 +42,7 @@ void acpi_video_unregister_backlight(void); static bool backlight_notifier_registered; static struct notifier_block backlight_nb; +static struct work_struct backlight_notify_work; static enum acpi_backlight_type acpi_backlight_cmdline = acpi_backlight_undef; static enum acpi_backlight_type acpi_backlight_dmi = acpi_backlight_undef; @@ -262,6 +264,13 @@ static const struct dmi_system_id video_detect_dmi_table[] = { { }, }; +/* This uses a workqueue to avoid various locking ordering issues */ +static void acpi_video_backlight_notify_work(struct work_struct *work) +{ + if (acpi_video_get_backlight_type() != acpi_backlight_video) + acpi_video_unregister_backlight(); +} + static int acpi_video_backlight_notify(struct notifier_block *nb, unsigned long val, void *bd) { @@ -269,9 +278,8 @@ static int acpi_video_backlight_notify(struct notifier_block *nb, /* A raw bl registering may change video -> native */ if (backlight->props.type == BACKLIGHT_RAW && - val == BACKLIGHT_REGISTERED && - acpi_video_get_backlight_type() != acpi_backlight_video) - acpi_video_unregister_backlight(); + val == BACKLIGHT_REGISTERED) + schedule_work(&backlight_notify_work); return NOTIFY_OK; } @@ -304,6 +312,8 @@ enum acpi_backlight_type acpi_video_get_backlight_type(void) acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, find_video, NULL, &video_caps, NULL); + INIT_WORK(&backlight_notify_work, + acpi_video_backlight_notify_work); backlight_nb.notifier_call = acpi_video_backlight_notify; backlight_nb.priority = 0; if (backlight_register_notifier(&backlight_nb) == 0) diff --git a/drivers/ata/ahci_brcmstb.c b/drivers/ata/ahci_brcmstb.c index ce1e3a885981..14b7305d2ba0 100644 --- a/drivers/ata/ahci_brcmstb.c +++ b/drivers/ata/ahci_brcmstb.c @@ -92,7 +92,7 @@ static inline u32 brcm_sata_readreg(void __iomem *addr) * Other architectures (e.g., ARM) either do not support big endian, or * else leave I/O in little endian mode. */ - if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(__BIG_ENDIAN)) + if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) return __raw_readl(addr); else return readl_relaxed(addr); @@ -101,7 +101,7 @@ static inline u32 brcm_sata_readreg(void __iomem *addr) static inline void brcm_sata_writereg(u32 val, void __iomem *addr) { /* See brcm_sata_readreg() comments */ - if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(__BIG_ENDIAN)) + if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) __raw_writel(val, addr); else writel_relaxed(val, addr); @@ -209,6 +209,7 @@ static void brcm_sata_init(struct brcm_ahci_priv *priv) priv->top_ctrl + SATA_TOP_CTRL_BUS_CTRL); } +#ifdef CONFIG_PM_SLEEP static int brcm_ahci_suspend(struct device *dev) { struct ata_host *host = dev_get_drvdata(dev); @@ -231,6 +232,7 @@ static int brcm_ahci_resume(struct device *dev) brcm_sata_phys_enable(priv); return ahci_platform_resume(dev); } +#endif static struct scsi_host_template ahci_platform_sht = { AHCI_SHT(DRV_NAME), diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index e83fc3d0da9c..790e0deb278e 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -694,11 +694,11 @@ static int ata_rwcmd_protocol(struct ata_taskfile *tf, struct ata_device *dev) * RETURNS: * Block address read from @tf. */ -u64 ata_tf_read_block(const struct ata_taskfile *tf, struct ata_device *dev) +u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev) { u64 block = 0; - if (!dev || tf->flags & ATA_TFLAG_LBA) { + if (tf->flags & ATA_TFLAG_LBA) { if (tf->flags & ATA_TFLAG_LBA48) { block |= (u64)tf->hob_lbah << 40; block |= (u64)tf->hob_lbam << 32; @@ -2147,24 +2147,6 @@ static int ata_dev_config_ncq(struct ata_device *dev, return 0; } -static void ata_dev_config_sense_reporting(struct ata_device *dev) -{ - unsigned int err_mask; - - if (!ata_id_has_sense_reporting(dev->id)) - return; - - if (ata_id_sense_reporting_enabled(dev->id)) - return; - - err_mask = ata_dev_set_feature(dev, SETFEATURE_SENSE_DATA, 0x1); - if (err_mask) { - ata_dev_dbg(dev, - "failed to enable Sense Data Reporting, Emask 0x%x\n", - err_mask); - } -} - /** * ata_dev_configure - Configure the specified ATA/ATAPI device * @dev: Target device to configure @@ -2387,7 +2369,7 @@ int ata_dev_configure(struct ata_device *dev) dev->devslp_timing[i] = sata_setting[j]; } } - ata_dev_config_sense_reporting(dev); + dev->cdb_len = 16; } @@ -2478,6 +2460,10 @@ int ata_dev_configure(struct ata_device *dev) dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128, dev->max_sectors); + if (dev->horkage & ATA_HORKAGE_MAX_SEC_1024) + dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_1024, + dev->max_sectors); + if (dev->horkage & ATA_HORKAGE_MAX_SEC_LBA48) dev->max_sectors = ATA_MAX_SECTORS_LBA48; @@ -4146,6 +4132,12 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "Slimtype DVD A DS8A8SH", NULL, ATA_HORKAGE_MAX_SEC_LBA48 }, { "Slimtype DVD A DS8A9SH", NULL, ATA_HORKAGE_MAX_SEC_LBA48 }, + /* + * Causes silent data corruption with higher max sects. + * http://lkml.kernel.org/g/x49wpy40ysk.fsf@segfault.boston.devel.redhat.com + */ + { "ST380013AS", "3.20", ATA_HORKAGE_MAX_SEC_1024 }, + /* Devices we expect to fail diagnostics */ /* Devices where NCQ should be avoided */ @@ -4174,9 +4166,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "ST3320[68]13AS", "SD1[5-9]", ATA_HORKAGE_NONCQ | ATA_HORKAGE_FIRMWARE_WARN }, - /* Seagate Momentus SpinPoint M8 seem to have FPMDA_AA issues */ + /* drives which fail FPDMA_AA activation (some may freeze afterwards) */ { "ST1000LM024 HN-M101MBB", "2AR10001", ATA_HORKAGE_BROKEN_FPDMA_AA }, { "ST1000LM024 HN-M101MBB", "2BA30001", ATA_HORKAGE_BROKEN_FPDMA_AA }, + { "VB0250EAVER", "HPG7", ATA_HORKAGE_BROKEN_FPDMA_AA }, /* Blacklist entries taken from Silicon Image 3124/3132 Windows driver .inf file - also several Linux problem reports */ @@ -4229,7 +4222,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "Crucial_CT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, - { "Micron_M5[15]0*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM | + { "Micron_M5[15]0_*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "Crucial_CT*M550*", "MU01", ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, @@ -4237,6 +4230,11 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { ATA_HORKAGE_ZERO_AFTER_TRIM, }, { "Samsung SSD 8*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | ATA_HORKAGE_ZERO_AFTER_TRIM, }, + { "FCCT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM | + ATA_HORKAGE_ZERO_AFTER_TRIM, }, + + /* devices that don't properly handle TRIM commands */ + { "SuperSSpeed S238*", NULL, ATA_HORKAGE_NOTRIM, }, /* * As defined, the DRAT (Deterministic Read After Trim) and RZAT @@ -4501,7 +4499,8 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev) else /* In the ancient relic department - skip all of this */ return 0; - err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0); + /* On some disks, this command causes spin-up, so we need longer timeout */ + err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 15000); DPRINTK("EXIT, err_mask=%x\n", err_mask); return err_mask; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 7465031a893c..cb0508af1459 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1592,8 +1592,6 @@ static int ata_eh_read_log_10h(struct ata_device *dev, tf->hob_lbah = buf[10]; tf->nsect = buf[12]; tf->hob_nsect = buf[13]; - if (ata_id_has_ncq_autosense(dev->id)) - tf->auxiliary = buf[14] << 16 | buf[15] << 8 | buf[16]; return 0; } @@ -1630,70 +1628,6 @@ unsigned int atapi_eh_tur(struct ata_device *dev, u8 *r_sense_key) } /** - * ata_eh_request_sense - perform REQUEST_SENSE_DATA_EXT - * @dev: device to perform REQUEST_SENSE_SENSE_DATA_EXT to - * @sense_buf: result sense data buffer (SCSI_SENSE_BUFFERSIZE bytes long) - * @dfl_sense_key: default sense key to use - * - * Perform REQUEST_SENSE_DATA_EXT after the device reported CHECK - * SENSE. This function is EH helper. - * - * LOCKING: - * Kernel thread context (may sleep). - * - * RETURNS: - * encoded sense data on success, 0 on failure or if sense data - * is not available. - */ -static u32 ata_eh_request_sense(struct ata_queued_cmd *qc, - struct scsi_cmnd *cmd) -{ - struct ata_device *dev = qc->dev; - struct ata_taskfile tf; - unsigned int err_mask; - - if (!cmd) - return 0; - - DPRINTK("ATA request sense\n"); - ata_dev_warn(dev, "request sense\n"); - if (!ata_id_sense_reporting_enabled(dev->id)) { - ata_dev_warn(qc->dev, "sense data reporting disabled\n"); - return 0; - } - ata_tf_init(dev, &tf); - - tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; - tf.flags |= ATA_TFLAG_LBA | ATA_TFLAG_LBA48; - tf.command = ATA_CMD_REQ_SENSE_DATA; - tf.protocol = ATA_PROT_NODATA; - - err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0); - /* - * ACS-4 states: - * The device may set the SENSE DATA AVAILABLE bit to one in the - * STATUS field and clear the ERROR bit to zero in the STATUS field - * to indicate that the command returned completion without an error - * and the sense data described in table 306 is available. - * - * IOW the 'ATA_SENSE' bit might not be set even though valid - * sense data is available. - * So check for both. - */ - if ((tf.command & ATA_SENSE) || - tf.lbah != 0 || tf.lbam != 0 || tf.lbal != 0) { - ata_scsi_set_sense(cmd, tf.lbah, tf.lbam, tf.lbal); - qc->flags |= ATA_QCFLAG_SENSE_VALID; - ata_dev_warn(dev, "sense data %02x/%02x/%02x\n", - tf.lbah, tf.lbam, tf.lbal); - } else { - ata_dev_warn(dev, "request sense failed stat %02x emask %x\n", - tf.command, err_mask); - } - return err_mask; -} - -/** * atapi_eh_request_sense - perform ATAPI REQUEST_SENSE * @dev: device to perform REQUEST_SENSE to * @sense_buf: result sense data buffer (SCSI_SENSE_BUFFERSIZE bytes long) @@ -1855,19 +1789,6 @@ void ata_eh_analyze_ncq_error(struct ata_link *link) memcpy(&qc->result_tf, &tf, sizeof(tf)); qc->result_tf.flags = ATA_TFLAG_ISADDR | ATA_TFLAG_LBA | ATA_TFLAG_LBA48; qc->err_mask |= AC_ERR_DEV | AC_ERR_NCQ; - if (qc->result_tf.auxiliary) { - char sense_key, asc, ascq; - - sense_key = (qc->result_tf.auxiliary >> 16) & 0xff; - asc = (qc->result_tf.auxiliary >> 8) & 0xff; - ascq = qc->result_tf.auxiliary & 0xff; - ata_dev_dbg(dev, "NCQ Autosense %02x/%02x/%02x\n", - sense_key, asc, ascq); - ata_scsi_set_sense(qc->scsicmd, sense_key, asc, ascq); - ata_scsi_set_sense_information(qc->scsicmd, &qc->result_tf); - qc->flags |= ATA_QCFLAG_SENSE_VALID; - } - ehc->i.err_mask &= ~AC_ERR_DEV; } @@ -1897,27 +1818,6 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc, return ATA_EH_RESET; } - /* - * Sense data reporting does not work if the - * device fault bit is set. - */ - if ((stat & ATA_SENSE) && !(stat & ATA_DF) && - !(qc->flags & ATA_QCFLAG_SENSE_VALID)) { - if (!(qc->ap->pflags & ATA_PFLAG_FROZEN)) { - tmp = ata_eh_request_sense(qc, qc->scsicmd); - if (tmp) - qc->err_mask |= tmp; - else - ata_scsi_set_sense_information(qc->scsicmd, tf); - } else { - ata_dev_warn(qc->dev, "sense data available but port frozen\n"); - } - } - - /* Set by NCQ autosense or request sense above */ - if (qc->flags & ATA_QCFLAG_SENSE_VALID) - return 0; - if (stat & (ATA_ERR | ATA_DF)) qc->err_mask |= AC_ERR_DEV; else @@ -2661,15 +2561,14 @@ static void ata_eh_link_report(struct ata_link *link) #ifdef CONFIG_ATA_VERBOSE_ERROR if (res->command & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | - ATA_SENSE | ATA_ERR)) { + ATA_ERR)) { if (res->command & ATA_BUSY) ata_dev_err(qc->dev, "status: { Busy }\n"); else - ata_dev_err(qc->dev, "status: { %s%s%s%s%s}\n", + ata_dev_err(qc->dev, "status: { %s%s%s%s}\n", res->command & ATA_DRDY ? "DRDY " : "", res->command & ATA_DF ? "DF " : "", res->command & ATA_DRQ ? "DRQ " : "", - res->command & ATA_SENSE ? "SENSE " : "", res->command & ATA_ERR ? "ERR " : ""); } diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index 7ccc084bf1df..85aa76116a30 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -460,6 +460,13 @@ static void sata_pmp_quirks(struct ata_port *ap) ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA; } + } else if (vendor == 0x11ab && devid == 0x4140) { + /* Marvell 4140 quirks */ + ata_for_each_link(link, ap, EDGE) { + /* port 4 is for SEMB device and it doesn't like SRST */ + if (link->pmp == 4) + link->flags |= ATA_LFLAG_DISABLED; + } } } diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 3131adcc1f87..0d7f0da3a269 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -270,28 +270,13 @@ DEVICE_ATTR(unload_heads, S_IRUGO | S_IWUSR, ata_scsi_park_show, ata_scsi_park_store); EXPORT_SYMBOL_GPL(dev_attr_unload_heads); -void ata_scsi_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq) +static void ata_scsi_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq) { - if (!cmd) - return; - cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION; scsi_build_sense_buffer(0, cmd->sense_buffer, sk, asc, ascq); } -void ata_scsi_set_sense_information(struct scsi_cmnd *cmd, - const struct ata_taskfile *tf) -{ - u64 information; - - if (!cmd) - return; - - information = ata_tf_read_block(tf, NULL); - scsi_set_sense_information(cmd->sense_buffer, information); -} - static ssize_t ata_scsi_em_message_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -1792,9 +1777,7 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc) ((cdb[2] & 0x20) || need_sense)) { ata_gen_passthru_sense(qc); } else { - if (qc->flags & ATA_QCFLAG_SENSE_VALID) { - cmd->result = SAM_STAT_CHECK_CONDITION; - } else if (!need_sense) { + if (!need_sense) { cmd->result = SAM_STAT_GOOD; } else { /* TODO: decide which descriptor format to use @@ -2568,7 +2551,8 @@ static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf) rbuf[14] = (lowest_aligned >> 8) & 0x3f; rbuf[15] = lowest_aligned; - if (ata_id_has_trim(args->id)) { + if (ata_id_has_trim(args->id) && + !(dev->horkage & ATA_HORKAGE_NOTRIM)) { rbuf[14] |= 0x80; /* LBPME */ if (ata_id_has_zero_after_trim(args->id) && diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c index d6c37bcd416d..e2d94972962d 100644 --- a/drivers/ata/libata-transport.c +++ b/drivers/ata/libata-transport.c @@ -569,6 +569,8 @@ show_ata_dev_trim(struct device *dev, if (!ata_id_has_trim(ata_dev->id)) mode = "unsupported"; + else if (ata_dev->horkage & ATA_HORKAGE_NOTRIM) + mode = "forced_unsupported"; else if (ata_dev->horkage & ATA_HORKAGE_NO_NCQ_TRIM) mode = "forced_unqueued"; else if (ata_fpdma_dsm_supported(ata_dev)) diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index a998a175f9f1..f840ca18a7c0 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -67,8 +67,7 @@ extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev, int tag); extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev, u64 block, u32 n_block, unsigned int tf_flags, unsigned int tag); -extern u64 ata_tf_read_block(const struct ata_taskfile *tf, - struct ata_device *dev); +extern u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev); extern unsigned ata_exec_internal(struct ata_device *dev, struct ata_taskfile *tf, const u8 *cdb, int dma_dir, void *buf, unsigned int buflen, @@ -138,9 +137,6 @@ extern int ata_scsi_add_hosts(struct ata_host *host, struct scsi_host_template *sht); extern void ata_scsi_scan_host(struct ata_port *ap, int sync); extern int ata_scsi_offline_dev(struct ata_device *dev); -extern void ata_scsi_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq); -extern void ata_scsi_set_sense_information(struct scsi_cmnd *cmd, - const struct ata_taskfile *tf); extern void ata_scsi_media_change_notify(struct ata_device *dev); extern void ata_scsi_hotplug(struct work_struct *work); extern void ata_schedule_scsi_eh(struct Scsi_Host *shost); diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c index a9b0c820f2eb..5d9ee99c2148 100644 --- a/drivers/ata/pata_arasan_cf.c +++ b/drivers/ata/pata_arasan_cf.c @@ -4,7 +4,7 @@ * Arasan Compact Flash host controller source file * * Copyright (C) 2011 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -968,7 +968,7 @@ static struct platform_driver arasan_cf_driver = { module_platform_driver(arasan_cf_driver); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("Arasan ATA Compact Flash driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c index 3a18a8a719b4..fab504fd9cfd 100644 --- a/drivers/ata/sata_sx4.c +++ b/drivers/ata/sata_sx4.c @@ -1238,8 +1238,12 @@ static unsigned int pdc20621_prog_dimm_global(struct ata_host *host) readl(mmio + PDC_SDRAM_CONTROL); /* Turn on for ECC */ - pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS, - PDC_DIMM_SPD_TYPE, &spd0); + if (!pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS, + PDC_DIMM_SPD_TYPE, &spd0)) { + pr_err("Failed in i2c read: device=%#x, subaddr=%#x\n", + PDC_DIMM0_SPD_DEV_ADDRESS, PDC_DIMM_SPD_TYPE); + return 1; + } if (spd0 == 0x02) { data |= (0x01 << 16); writel(data, mmio + PDC_SDRAM_CONTROL); @@ -1380,8 +1384,12 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host) /* ECC initiliazation. */ - pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS, - PDC_DIMM_SPD_TYPE, &spd0); + if (!pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS, + PDC_DIMM_SPD_TYPE, &spd0)) { + pr_err("Failed in i2c read: device=%#x, subaddr=%#x\n", + PDC_DIMM0_SPD_DEV_ADDRESS, PDC_DIMM_SPD_TYPE); + return 1; + } if (spd0 == 0x02) { void *buf; VPRINTK("Start ECC initialization\n"); diff --git a/drivers/base/core.c b/drivers/base/core.c index dafae6d2f7ac..7d6279554afc 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1252,6 +1252,19 @@ void device_unregister(struct device *dev) } EXPORT_SYMBOL_GPL(device_unregister); +static struct device *prev_device(struct klist_iter *i) +{ + struct klist_node *n = klist_prev(i); + struct device *dev = NULL; + struct device_private *p; + + if (n) { + p = to_device_private_parent(n); + dev = p->device; + } + return dev; +} + static struct device *next_device(struct klist_iter *i) { struct klist_node *n = klist_next(i); @@ -1341,6 +1354,36 @@ int device_for_each_child(struct device *parent, void *data, EXPORT_SYMBOL_GPL(device_for_each_child); /** + * device_for_each_child_reverse - device child iterator in reversed order. + * @parent: parent struct device. + * @fn: function to be called for each device. + * @data: data for the callback. + * + * Iterate over @parent's child devices, and call @fn for each, + * passing it @data. + * + * We check the return of @fn each time. If it returns anything + * other than 0, we break out and return that value. + */ +int device_for_each_child_reverse(struct device *parent, void *data, + int (*fn)(struct device *dev, void *data)) +{ + struct klist_iter i; + struct device *child; + int error = 0; + + if (!parent->p) + return 0; + + klist_iter_init(&parent->p->klist_children, &i); + while ((child = prev_device(&i)) && !error) + error = fn(child, data); + klist_iter_exit(&i); + return error; +} +EXPORT_SYMBOL_GPL(device_for_each_child_reverse); + +/** * device_find_child - device iterator for locating a particular device. * @parent: parent struct device * @match: Callback function to check device diff --git a/drivers/base/dd.c b/drivers/base/dd.c index a638bbb1a27a..2d6df1dd3852 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -399,6 +399,8 @@ EXPORT_SYMBOL_GPL(wait_for_device_probe); * * This function must be called with @dev lock held. When called for a * USB interface, @dev->parent lock must be held as well. + * + * If the device has a parent, runtime-resume the parent before driver probing. */ int driver_probe_device(struct device_driver *drv, struct device *dev) { @@ -410,10 +412,16 @@ int driver_probe_device(struct device_driver *drv, struct device *dev) pr_debug("bus: '%s': %s: matched device %s with driver %s\n", drv->bus->name, __func__, dev_name(dev), drv->name); + if (dev->parent) + pm_runtime_get_sync(dev->parent); + pm_runtime_barrier(dev); ret = really_probe(dev, drv); pm_request_idle(dev); + if (dev->parent) + pm_runtime_put(dev->parent); + return ret; } @@ -507,11 +515,17 @@ static void __device_attach_async_helper(void *_dev, async_cookie_t cookie) device_lock(dev); + if (dev->parent) + pm_runtime_get_sync(dev->parent); + bus_for_each_drv(dev->bus, NULL, &data, __device_attach_driver); dev_dbg(dev, "async probe completed\n"); pm_request_idle(dev); + if (dev->parent) + pm_runtime_put(dev->parent); + device_unlock(dev); put_device(dev); @@ -541,6 +555,9 @@ static int __device_attach(struct device *dev, bool allow_async) .want_async = false, }; + if (dev->parent) + pm_runtime_get_sync(dev->parent); + ret = bus_for_each_drv(dev->bus, NULL, &data, __device_attach_driver); if (!ret && allow_async && data.have_async) { @@ -557,6 +574,9 @@ static int __device_attach(struct device *dev, bool allow_async) } else { pm_request_idle(dev); } + + if (dev->parent) + pm_runtime_put(dev->parent); } out_unlock: device_unlock(dev); diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c index 677fb2843553..bb703b5ebaff 100644 --- a/drivers/base/power/opp.c +++ b/drivers/base/power/opp.c @@ -11,6 +11,7 @@ * published by the Free Software Foundation. */ +#include <linux/cpu.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/err.h> @@ -51,10 +52,17 @@ * order. * @dynamic: not-created from static DT entries. * @available: true/false - marks if this OPP as available or not + * @turbo: true if turbo (boost) OPP * @rate: Frequency in hertz - * @u_volt: Nominal voltage in microvolts corresponding to this OPP + * @u_volt: Target voltage in microvolts corresponding to this OPP + * @u_volt_min: Minimum voltage in microvolts corresponding to this OPP + * @u_volt_max: Maximum voltage in microvolts corresponding to this OPP + * @u_amp: Maximum current drawn by the device in microamperes + * @clock_latency_ns: Latency (in nanoseconds) of switching to this OPP's + * frequency from any other OPP's frequency. * @dev_opp: points back to the device_opp struct this opp belongs to * @rcu_head: RCU callback head used for deferred freeing + * @np: OPP's device node. * * This structure stores the OPP information for a given device. */ @@ -63,11 +71,34 @@ struct dev_pm_opp { bool available; bool dynamic; + bool turbo; unsigned long rate; + unsigned long u_volt; + unsigned long u_volt_min; + unsigned long u_volt_max; + unsigned long u_amp; + unsigned long clock_latency_ns; struct device_opp *dev_opp; struct rcu_head rcu_head; + + struct device_node *np; +}; + +/** + * struct device_list_opp - devices managed by 'struct device_opp' + * @node: list node + * @dev: device to which the struct object belongs + * @rcu_head: RCU callback head used for deferred freeing + * + * This is an internal data structure maintaining the list of devices that are + * managed by 'struct device_opp'. + */ +struct device_list_opp { + struct list_head node; + const struct device *dev; + struct rcu_head rcu_head; }; /** @@ -77,10 +108,12 @@ struct dev_pm_opp { * list. * RCU usage: nodes are not modified in the list of device_opp, * however addition is possible and is secured by dev_opp_list_lock - * @dev: device pointer * @srcu_head: notifier head to notify the OPP availability changes. * @rcu_head: RCU callback head used for deferred freeing + * @dev_list: list of devices that share these OPPs * @opp_list: list of opps + * @np: struct device_node pointer for opp's DT node. + * @shared_opp: OPP is shared between multiple devices. * * This is an internal data structure maintaining the link to opps attached to * a device. This structure is not meant to be shared to users as it is @@ -93,10 +126,15 @@ struct dev_pm_opp { struct device_opp { struct list_head node; - struct device *dev; struct srcu_notifier_head srcu_head; struct rcu_head rcu_head; + struct list_head dev_list; struct list_head opp_list; + + struct device_node *np; + unsigned long clock_latency_ns_max; + bool shared_opp; + struct dev_pm_opp *suspend_opp; }; /* @@ -116,6 +154,38 @@ do { \ "dev_opp_list_lock protection"); \ } while (0) +static struct device_list_opp *_find_list_dev(const struct device *dev, + struct device_opp *dev_opp) +{ + struct device_list_opp *list_dev; + + list_for_each_entry(list_dev, &dev_opp->dev_list, node) + if (list_dev->dev == dev) + return list_dev; + + return NULL; +} + +static struct device_opp *_managed_opp(const struct device_node *np) +{ + struct device_opp *dev_opp; + + list_for_each_entry_rcu(dev_opp, &dev_opp_list, node) { + if (dev_opp->np == np) { + /* + * Multiple devices can point to the same OPP table and + * so will have same node-pointer, np. + * + * But the OPPs will be considered as shared only if the + * OPP table contains a "opp-shared" property. + */ + return dev_opp->shared_opp ? dev_opp : NULL; + } + } + + return NULL; +} + /** * _find_device_opp() - find device_opp struct using device pointer * @dev: device pointer used to lookup device OPPs @@ -132,21 +202,18 @@ do { \ */ static struct device_opp *_find_device_opp(struct device *dev) { - struct device_opp *tmp_dev_opp, *dev_opp = ERR_PTR(-ENODEV); + struct device_opp *dev_opp; - if (unlikely(IS_ERR_OR_NULL(dev))) { + if (IS_ERR_OR_NULL(dev)) { pr_err("%s: Invalid parameters\n", __func__); return ERR_PTR(-EINVAL); } - list_for_each_entry_rcu(tmp_dev_opp, &dev_opp_list, node) { - if (tmp_dev_opp->dev == dev) { - dev_opp = tmp_dev_opp; - break; - } - } + list_for_each_entry_rcu(dev_opp, &dev_opp_list, node) + if (_find_list_dev(dev, dev_opp)) + return dev_opp; - return dev_opp; + return ERR_PTR(-ENODEV); } /** @@ -172,7 +239,7 @@ unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp) opp_rcu_lockdep_assert(); tmp_opp = rcu_dereference(opp); - if (unlikely(IS_ERR_OR_NULL(tmp_opp)) || !tmp_opp->available) + if (IS_ERR_OR_NULL(tmp_opp) || !tmp_opp->available) pr_err("%s: Invalid parameters\n", __func__); else v = tmp_opp->u_volt; @@ -204,7 +271,7 @@ unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp) opp_rcu_lockdep_assert(); tmp_opp = rcu_dereference(opp); - if (unlikely(IS_ERR_OR_NULL(tmp_opp)) || !tmp_opp->available) + if (IS_ERR_OR_NULL(tmp_opp) || !tmp_opp->available) pr_err("%s: Invalid parameters\n", __func__); else f = tmp_opp->rate; @@ -214,6 +281,66 @@ unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp) EXPORT_SYMBOL_GPL(dev_pm_opp_get_freq); /** + * dev_pm_opp_is_turbo() - Returns if opp is turbo OPP or not + * @opp: opp for which turbo mode is being verified + * + * Turbo OPPs are not for normal use, and can be enabled (under certain + * conditions) for short duration of times to finish high throughput work + * quickly. Running on them for longer times may overheat the chip. + * + * Return: true if opp is turbo opp, else false. + * + * Locking: This function must be called under rcu_read_lock(). opp is a rcu + * protected pointer. This means that opp which could have been fetched by + * opp_find_freq_{exact,ceil,floor} functions is valid as long as we are + * under RCU lock. The pointer returned by the opp_find_freq family must be + * used in the same section as the usage of this function with the pointer + * prior to unlocking with rcu_read_unlock() to maintain the integrity of the + * pointer. + */ +bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp) +{ + struct dev_pm_opp *tmp_opp; + + opp_rcu_lockdep_assert(); + + tmp_opp = rcu_dereference(opp); + if (IS_ERR_OR_NULL(tmp_opp) || !tmp_opp->available) { + pr_err("%s: Invalid parameters\n", __func__); + return false; + } + + return tmp_opp->turbo; +} +EXPORT_SYMBOL_GPL(dev_pm_opp_is_turbo); + +/** + * dev_pm_opp_get_max_clock_latency() - Get max clock latency in nanoseconds + * @dev: device for which we do this operation + * + * Return: This function returns the max clock latency in nanoseconds. + * + * Locking: This function takes rcu_read_lock(). + */ +unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev) +{ + struct device_opp *dev_opp; + unsigned long clock_latency_ns; + + rcu_read_lock(); + + dev_opp = _find_device_opp(dev); + if (IS_ERR(dev_opp)) + clock_latency_ns = 0; + else + clock_latency_ns = dev_opp->clock_latency_ns_max; + + rcu_read_unlock(); + return clock_latency_ns; +} +EXPORT_SYMBOL_GPL(dev_pm_opp_get_max_clock_latency); + +/** * dev_pm_opp_get_opp_count() - Get number of opps available in the opp list * @dev: device for which we do this operation * @@ -407,18 +534,57 @@ struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev, } EXPORT_SYMBOL_GPL(dev_pm_opp_find_freq_floor); +/* List-dev Helpers */ +static void _kfree_list_dev_rcu(struct rcu_head *head) +{ + struct device_list_opp *list_dev; + + list_dev = container_of(head, struct device_list_opp, rcu_head); + kfree_rcu(list_dev, rcu_head); +} + +static void _remove_list_dev(struct device_list_opp *list_dev, + struct device_opp *dev_opp) +{ + list_del(&list_dev->node); + call_srcu(&dev_opp->srcu_head.srcu, &list_dev->rcu_head, + _kfree_list_dev_rcu); +} + +static struct device_list_opp *_add_list_dev(const struct device *dev, + struct device_opp *dev_opp) +{ + struct device_list_opp *list_dev; + + list_dev = kzalloc(sizeof(*list_dev), GFP_KERNEL); + if (!list_dev) + return NULL; + + /* Initialize list-dev */ + list_dev->dev = dev; + list_add_rcu(&list_dev->node, &dev_opp->dev_list); + + return list_dev; +} + /** - * _add_device_opp() - Allocate a new device OPP table + * _add_device_opp() - Find device OPP table or allocate a new one * @dev: device for which we do this operation * - * New device node which uses OPPs - used when multiple devices with OPP tables - * are maintained. + * It tries to find an existing table first, if it couldn't find one, it + * allocates a new OPP table and returns that. * * Return: valid device_opp pointer if success, else NULL. */ static struct device_opp *_add_device_opp(struct device *dev) { struct device_opp *dev_opp; + struct device_list_opp *list_dev; + + /* Check for existing list for 'dev' first */ + dev_opp = _find_device_opp(dev); + if (!IS_ERR(dev_opp)) + return dev_opp; /* * Allocate a new device OPP table. In the infrequent case where a new @@ -428,7 +594,14 @@ static struct device_opp *_add_device_opp(struct device *dev) if (!dev_opp) return NULL; - dev_opp->dev = dev; + INIT_LIST_HEAD(&dev_opp->dev_list); + + list_dev = _add_list_dev(dev, dev_opp); + if (!list_dev) { + kfree(dev_opp); + return NULL; + } + srcu_init_notifier_head(&dev_opp->srcu_head); INIT_LIST_HEAD(&dev_opp->opp_list); @@ -438,6 +611,185 @@ static struct device_opp *_add_device_opp(struct device *dev) } /** + * _kfree_device_rcu() - Free device_opp RCU handler + * @head: RCU head + */ +static void _kfree_device_rcu(struct rcu_head *head) +{ + struct device_opp *device_opp = container_of(head, struct device_opp, rcu_head); + + kfree_rcu(device_opp, rcu_head); +} + +/** + * _remove_device_opp() - Removes a device OPP table + * @dev_opp: device OPP table to be removed. + * + * Removes/frees device OPP table it it doesn't contain any OPPs. + */ +static void _remove_device_opp(struct device_opp *dev_opp) +{ + struct device_list_opp *list_dev; + + if (!list_empty(&dev_opp->opp_list)) + return; + + list_dev = list_first_entry(&dev_opp->dev_list, struct device_list_opp, + node); + + _remove_list_dev(list_dev, dev_opp); + + /* dev_list must be empty now */ + WARN_ON(!list_empty(&dev_opp->dev_list)); + + list_del_rcu(&dev_opp->node); + call_srcu(&dev_opp->srcu_head.srcu, &dev_opp->rcu_head, + _kfree_device_rcu); +} + +/** + * _kfree_opp_rcu() - Free OPP RCU handler + * @head: RCU head + */ +static void _kfree_opp_rcu(struct rcu_head *head) +{ + struct dev_pm_opp *opp = container_of(head, struct dev_pm_opp, rcu_head); + + kfree_rcu(opp, rcu_head); +} + +/** + * _opp_remove() - Remove an OPP from a table definition + * @dev_opp: points back to the device_opp struct this opp belongs to + * @opp: pointer to the OPP to remove + * @notify: OPP_EVENT_REMOVE notification should be sent or not + * + * This function removes an opp definition from the opp list. + * + * Locking: The internal device_opp and opp structures are RCU protected. + * It is assumed that the caller holds required mutex for an RCU updater + * strategy. + */ +static void _opp_remove(struct device_opp *dev_opp, + struct dev_pm_opp *opp, bool notify) +{ + /* + * Notify the changes in the availability of the operable + * frequency/voltage list. + */ + if (notify) + srcu_notifier_call_chain(&dev_opp->srcu_head, OPP_EVENT_REMOVE, opp); + list_del_rcu(&opp->node); + call_srcu(&dev_opp->srcu_head.srcu, &opp->rcu_head, _kfree_opp_rcu); + + _remove_device_opp(dev_opp); +} + +/** + * dev_pm_opp_remove() - Remove an OPP from OPP list + * @dev: device for which we do this operation + * @freq: OPP to remove with matching 'freq' + * + * This function removes an opp from the opp list. + * + * Locking: The internal device_opp and opp structures are RCU protected. + * Hence this function internally uses RCU updater strategy with mutex locks + * to keep the integrity of the internal data structures. Callers should ensure + * that this function is *NOT* called under RCU protection or in contexts where + * mutex cannot be locked. + */ +void dev_pm_opp_remove(struct device *dev, unsigned long freq) +{ + struct dev_pm_opp *opp; + struct device_opp *dev_opp; + bool found = false; + + /* Hold our list modification lock here */ + mutex_lock(&dev_opp_list_lock); + + dev_opp = _find_device_opp(dev); + if (IS_ERR(dev_opp)) + goto unlock; + + list_for_each_entry(opp, &dev_opp->opp_list, node) { + if (opp->rate == freq) { + found = true; + break; + } + } + + if (!found) { + dev_warn(dev, "%s: Couldn't find OPP with freq: %lu\n", + __func__, freq); + goto unlock; + } + + _opp_remove(dev_opp, opp, true); +unlock: + mutex_unlock(&dev_opp_list_lock); +} +EXPORT_SYMBOL_GPL(dev_pm_opp_remove); + +static struct dev_pm_opp *_allocate_opp(struct device *dev, + struct device_opp **dev_opp) +{ + struct dev_pm_opp *opp; + + /* allocate new OPP node */ + opp = kzalloc(sizeof(*opp), GFP_KERNEL); + if (!opp) + return NULL; + + INIT_LIST_HEAD(&opp->node); + + *dev_opp = _add_device_opp(dev); + if (!*dev_opp) { + kfree(opp); + return NULL; + } + + return opp; +} + +static int _opp_add(struct device *dev, struct dev_pm_opp *new_opp, + struct device_opp *dev_opp) +{ + struct dev_pm_opp *opp; + struct list_head *head = &dev_opp->opp_list; + + /* + * Insert new OPP in order of increasing frequency and discard if + * already present. + * + * Need to use &dev_opp->opp_list in the condition part of the 'for' + * loop, don't replace it with head otherwise it will become an infinite + * loop. + */ + list_for_each_entry_rcu(opp, &dev_opp->opp_list, node) { + if (new_opp->rate > opp->rate) { + head = &opp->node; + continue; + } + + if (new_opp->rate < opp->rate) + break; + + /* Duplicate OPPs */ + dev_warn(dev, "%s: duplicate OPPs detected. Existing: freq: %lu, volt: %lu, enabled: %d. New: freq: %lu, volt: %lu, enabled: %d\n", + __func__, opp->rate, opp->u_volt, opp->available, + new_opp->rate, new_opp->u_volt, new_opp->available); + + return opp->available && new_opp->u_volt == opp->u_volt ? + 0 : -EEXIST; + } + + new_opp->dev_opp = dev_opp; + list_add_rcu(&new_opp->node, head); + + return 0; +} + +/** * _opp_add_dynamic() - Allocate a dynamic OPP. * @dev: device for which we do this operation * @freq: Frequency in Hz for this OPP @@ -467,64 +819,29 @@ static struct device_opp *_add_device_opp(struct device *dev) static int _opp_add_dynamic(struct device *dev, unsigned long freq, long u_volt, bool dynamic) { - struct device_opp *dev_opp = NULL; - struct dev_pm_opp *opp, *new_opp; - struct list_head *head; + struct device_opp *dev_opp; + struct dev_pm_opp *new_opp; int ret; - /* allocate new OPP node */ - new_opp = kzalloc(sizeof(*new_opp), GFP_KERNEL); - if (!new_opp) - return -ENOMEM; - /* Hold our list modification lock here */ mutex_lock(&dev_opp_list_lock); + new_opp = _allocate_opp(dev, &dev_opp); + if (!new_opp) { + ret = -ENOMEM; + goto unlock; + } + /* populate the opp table */ new_opp->rate = freq; new_opp->u_volt = u_volt; new_opp->available = true; new_opp->dynamic = dynamic; - /* Check for existing list for 'dev' */ - dev_opp = _find_device_opp(dev); - if (IS_ERR(dev_opp)) { - dev_opp = _add_device_opp(dev); - if (!dev_opp) { - ret = -ENOMEM; - goto free_opp; - } - - head = &dev_opp->opp_list; - goto list_add; - } - - /* - * Insert new OPP in order of increasing frequency - * and discard if already present - */ - head = &dev_opp->opp_list; - list_for_each_entry_rcu(opp, &dev_opp->opp_list, node) { - if (new_opp->rate <= opp->rate) - break; - else - head = &opp->node; - } - - /* Duplicate OPPs ? */ - if (new_opp->rate == opp->rate) { - ret = opp->available && new_opp->u_volt == opp->u_volt ? - 0 : -EEXIST; - - dev_warn(dev, "%s: duplicate OPPs detected. Existing: freq: %lu, volt: %lu, enabled: %d. New: freq: %lu, volt: %lu, enabled: %d\n", - __func__, opp->rate, opp->u_volt, opp->available, - new_opp->rate, new_opp->u_volt, new_opp->available); + ret = _opp_add(dev, new_opp, dev_opp); + if (ret) goto free_opp; - } -list_add: - new_opp->dev_opp = dev_opp; - list_add_rcu(&new_opp->node, head); mutex_unlock(&dev_opp_list_lock); /* @@ -535,20 +852,52 @@ list_add: return 0; free_opp: + _opp_remove(dev_opp, new_opp, false); +unlock: mutex_unlock(&dev_opp_list_lock); - kfree(new_opp); return ret; } +/* TODO: Support multiple regulators */ +static int opp_get_microvolt(struct dev_pm_opp *opp, struct device *dev) +{ + u32 microvolt[3] = {0}; + int count, ret; + + count = of_property_count_u32_elems(opp->np, "opp-microvolt"); + if (!count) + return 0; + + /* There can be one or three elements here */ + if (count != 1 && count != 3) { + dev_err(dev, "%s: Invalid number of elements in opp-microvolt property (%d)\n", + __func__, count); + return -EINVAL; + } + + ret = of_property_read_u32_array(opp->np, "opp-microvolt", microvolt, + count); + if (ret) { + dev_err(dev, "%s: error parsing opp-microvolt: %d\n", __func__, + ret); + return -EINVAL; + } + + opp->u_volt = microvolt[0]; + opp->u_volt_min = microvolt[1]; + opp->u_volt_max = microvolt[2]; + + return 0; +} + /** - * dev_pm_opp_add() - Add an OPP table from a table definitions + * _opp_add_static_v2() - Allocate static OPPs (As per 'v2' DT bindings) * @dev: device for which we do this operation - * @freq: Frequency in Hz for this OPP - * @u_volt: Voltage in uVolts for this OPP + * @np: device node * - * This function adds an opp definition to the opp list and returns status. - * The opp is made available by default and it can be controlled using - * dev_pm_opp_enable/disable functions. + * This function adds an opp definition to the opp list and returns status. The + * opp can be controlled using dev_pm_opp_enable/disable functions and may be + * removed by dev_pm_opp_remove. * * Locking: The internal device_opp and opp structures are RCU protected. * Hence this function internally uses RCU updater strategy with mutex locks @@ -562,108 +911,119 @@ free_opp: * -EEXIST Freq are same and volt are different OR * Duplicate OPPs (both freq and volt are same) and !opp->available * -ENOMEM Memory allocation failure + * -EINVAL Failed parsing the OPP node */ -int dev_pm_opp_add(struct device *dev, unsigned long freq, unsigned long u_volt) +static int _opp_add_static_v2(struct device *dev, struct device_node *np) { - return _opp_add_dynamic(dev, freq, u_volt, true); -} -EXPORT_SYMBOL_GPL(dev_pm_opp_add); + struct device_opp *dev_opp; + struct dev_pm_opp *new_opp; + u64 rate; + u32 val; + int ret; -/** - * _kfree_opp_rcu() - Free OPP RCU handler - * @head: RCU head - */ -static void _kfree_opp_rcu(struct rcu_head *head) -{ - struct dev_pm_opp *opp = container_of(head, struct dev_pm_opp, rcu_head); + /* Hold our list modification lock here */ + mutex_lock(&dev_opp_list_lock); - kfree_rcu(opp, rcu_head); -} + new_opp = _allocate_opp(dev, &dev_opp); + if (!new_opp) { + ret = -ENOMEM; + goto unlock; + } -/** - * _kfree_device_rcu() - Free device_opp RCU handler - * @head: RCU head - */ -static void _kfree_device_rcu(struct rcu_head *head) -{ - struct device_opp *device_opp = container_of(head, struct device_opp, rcu_head); + ret = of_property_read_u64(np, "opp-hz", &rate); + if (ret < 0) { + dev_err(dev, "%s: opp-hz not found\n", __func__); + goto free_opp; + } - kfree_rcu(device_opp, rcu_head); -} + /* + * Rate is defined as an unsigned long in clk API, and so casting + * explicitly to its type. Must be fixed once rate is 64 bit + * guaranteed in clk API. + */ + new_opp->rate = (unsigned long)rate; + new_opp->turbo = of_property_read_bool(np, "turbo-mode"); + + new_opp->np = np; + new_opp->dynamic = false; + new_opp->available = true; + + if (!of_property_read_u32(np, "clock-latency-ns", &val)) + new_opp->clock_latency_ns = val; + + ret = opp_get_microvolt(new_opp, dev); + if (ret) + goto free_opp; + + if (!of_property_read_u32(new_opp->np, "opp-microamp", &val)) + new_opp->u_amp = val; + + ret = _opp_add(dev, new_opp, dev_opp); + if (ret) + goto free_opp; + + /* OPP to select on device suspend */ + if (of_property_read_bool(np, "opp-suspend")) { + if (dev_opp->suspend_opp) + dev_warn(dev, "%s: Multiple suspend OPPs found (%lu %lu)\n", + __func__, dev_opp->suspend_opp->rate, + new_opp->rate); + else + dev_opp->suspend_opp = new_opp; + } + + if (new_opp->clock_latency_ns > dev_opp->clock_latency_ns_max) + dev_opp->clock_latency_ns_max = new_opp->clock_latency_ns; + + mutex_unlock(&dev_opp_list_lock); + + pr_debug("%s: turbo:%d rate:%lu uv:%lu uvmin:%lu uvmax:%lu latency:%lu\n", + __func__, new_opp->turbo, new_opp->rate, new_opp->u_volt, + new_opp->u_volt_min, new_opp->u_volt_max, + new_opp->clock_latency_ns); -/** - * _opp_remove() - Remove an OPP from a table definition - * @dev_opp: points back to the device_opp struct this opp belongs to - * @opp: pointer to the OPP to remove - * - * This function removes an opp definition from the opp list. - * - * Locking: The internal device_opp and opp structures are RCU protected. - * It is assumed that the caller holds required mutex for an RCU updater - * strategy. - */ -static void _opp_remove(struct device_opp *dev_opp, - struct dev_pm_opp *opp) -{ /* * Notify the changes in the availability of the operable * frequency/voltage list. */ - srcu_notifier_call_chain(&dev_opp->srcu_head, OPP_EVENT_REMOVE, opp); - list_del_rcu(&opp->node); - call_srcu(&dev_opp->srcu_head.srcu, &opp->rcu_head, _kfree_opp_rcu); + srcu_notifier_call_chain(&dev_opp->srcu_head, OPP_EVENT_ADD, new_opp); + return 0; - if (list_empty(&dev_opp->opp_list)) { - list_del_rcu(&dev_opp->node); - call_srcu(&dev_opp->srcu_head.srcu, &dev_opp->rcu_head, - _kfree_device_rcu); - } +free_opp: + _opp_remove(dev_opp, new_opp, false); +unlock: + mutex_unlock(&dev_opp_list_lock); + return ret; } /** - * dev_pm_opp_remove() - Remove an OPP from OPP list + * dev_pm_opp_add() - Add an OPP table from a table definitions * @dev: device for which we do this operation - * @freq: OPP to remove with matching 'freq' + * @freq: Frequency in Hz for this OPP + * @u_volt: Voltage in uVolts for this OPP * - * This function removes an opp from the opp list. + * This function adds an opp definition to the opp list and returns status. + * The opp is made available by default and it can be controlled using + * dev_pm_opp_enable/disable functions. * * Locking: The internal device_opp and opp structures are RCU protected. * Hence this function internally uses RCU updater strategy with mutex locks * to keep the integrity of the internal data structures. Callers should ensure * that this function is *NOT* called under RCU protection or in contexts where * mutex cannot be locked. + * + * Return: + * 0 On success OR + * Duplicate OPPs (both freq and volt are same) and opp->available + * -EEXIST Freq are same and volt are different OR + * Duplicate OPPs (both freq and volt are same) and !opp->available + * -ENOMEM Memory allocation failure */ -void dev_pm_opp_remove(struct device *dev, unsigned long freq) +int dev_pm_opp_add(struct device *dev, unsigned long freq, unsigned long u_volt) { - struct dev_pm_opp *opp; - struct device_opp *dev_opp; - bool found = false; - - /* Hold our list modification lock here */ - mutex_lock(&dev_opp_list_lock); - - dev_opp = _find_device_opp(dev); - if (IS_ERR(dev_opp)) - goto unlock; - - list_for_each_entry(opp, &dev_opp->opp_list, node) { - if (opp->rate == freq) { - found = true; - break; - } - } - - if (!found) { - dev_warn(dev, "%s: Couldn't find OPP with freq: %lu\n", - __func__, freq); - goto unlock; - } - - _opp_remove(dev_opp, opp); -unlock: - mutex_unlock(&dev_opp_list_lock); + return _opp_add_dynamic(dev, freq, u_volt, true); } -EXPORT_SYMBOL_GPL(dev_pm_opp_remove); +EXPORT_SYMBOL_GPL(dev_pm_opp_add); /** * _opp_set_availability() - helper to set the availability of an opp @@ -825,28 +1185,179 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_get_notifier); #ifdef CONFIG_OF /** - * of_init_opp_table() - Initialize opp table from device tree + * of_free_opp_table() - Free OPP table entries created from static DT entries * @dev: device pointer used to lookup device OPPs. * - * Register the initial OPP table with the OPP library for given device. + * Free OPPs created using static entries present in DT. * * Locking: The internal device_opp and opp structures are RCU protected. * Hence this function indirectly uses RCU updater strategy with mutex locks * to keep the integrity of the internal data structures. Callers should ensure * that this function is *NOT* called under RCU protection or in contexts where * mutex cannot be locked. - * - * Return: - * 0 On success OR - * Duplicate OPPs (both freq and volt are same) and opp->available - * -EEXIST Freq are same and volt are different OR - * Duplicate OPPs (both freq and volt are same) and !opp->available - * -ENOMEM Memory allocation failure - * -ENODEV when 'operating-points' property is not found or is invalid data - * in device node. - * -ENODATA when empty 'operating-points' property is found */ -int of_init_opp_table(struct device *dev) +void of_free_opp_table(struct device *dev) +{ + struct device_opp *dev_opp; + struct dev_pm_opp *opp, *tmp; + + /* Hold our list modification lock here */ + mutex_lock(&dev_opp_list_lock); + + /* Check for existing list for 'dev' */ + dev_opp = _find_device_opp(dev); + if (IS_ERR(dev_opp)) { + int error = PTR_ERR(dev_opp); + + if (error != -ENODEV) + WARN(1, "%s: dev_opp: %d\n", + IS_ERR_OR_NULL(dev) ? + "Invalid device" : dev_name(dev), + error); + goto unlock; + } + + /* Find if dev_opp manages a single device */ + if (list_is_singular(&dev_opp->dev_list)) { + /* Free static OPPs */ + list_for_each_entry_safe(opp, tmp, &dev_opp->opp_list, node) { + if (!opp->dynamic) + _opp_remove(dev_opp, opp, true); + } + } else { + _remove_list_dev(_find_list_dev(dev, dev_opp), dev_opp); + } + +unlock: + mutex_unlock(&dev_opp_list_lock); +} +EXPORT_SYMBOL_GPL(of_free_opp_table); + +void of_cpumask_free_opp_table(cpumask_var_t cpumask) +{ + struct device *cpu_dev; + int cpu; + + WARN_ON(cpumask_empty(cpumask)); + + for_each_cpu(cpu, cpumask) { + cpu_dev = get_cpu_device(cpu); + if (!cpu_dev) { + pr_err("%s: failed to get cpu%d device\n", __func__, + cpu); + continue; + } + + of_free_opp_table(cpu_dev); + } +} +EXPORT_SYMBOL_GPL(of_cpumask_free_opp_table); + +/* Returns opp descriptor node from its phandle. Caller must do of_node_put() */ +static struct device_node * +_of_get_opp_desc_node_from_prop(struct device *dev, const struct property *prop) +{ + struct device_node *opp_np; + + opp_np = of_find_node_by_phandle(be32_to_cpup(prop->value)); + if (!opp_np) { + dev_err(dev, "%s: Prop: %s contains invalid opp desc phandle\n", + __func__, prop->name); + return ERR_PTR(-EINVAL); + } + + return opp_np; +} + +/* Returns opp descriptor node for a device. Caller must do of_node_put() */ +static struct device_node *_of_get_opp_desc_node(struct device *dev) +{ + const struct property *prop; + + prop = of_find_property(dev->of_node, "operating-points-v2", NULL); + if (!prop) + return ERR_PTR(-ENODEV); + if (!prop->value) + return ERR_PTR(-ENODATA); + + /* + * TODO: Support for multiple OPP tables. + * + * There should be only ONE phandle present in "operating-points-v2" + * property. + */ + if (prop->length != sizeof(__be32)) { + dev_err(dev, "%s: Invalid opp desc phandle\n", __func__); + return ERR_PTR(-EINVAL); + } + + return _of_get_opp_desc_node_from_prop(dev, prop); +} + +/* Initializes OPP tables based on new bindings */ +static int _of_init_opp_table_v2(struct device *dev, + const struct property *prop) +{ + struct device_node *opp_np, *np; + struct device_opp *dev_opp; + int ret = 0, count = 0; + + if (!prop->value) + return -ENODATA; + + /* Get opp node */ + opp_np = _of_get_opp_desc_node_from_prop(dev, prop); + if (IS_ERR(opp_np)) + return PTR_ERR(opp_np); + + dev_opp = _managed_opp(opp_np); + if (dev_opp) { + /* OPPs are already managed */ + if (!_add_list_dev(dev, dev_opp)) + ret = -ENOMEM; + goto put_opp_np; + } + + /* We have opp-list node now, iterate over it and add OPPs */ + for_each_available_child_of_node(opp_np, np) { + count++; + + ret = _opp_add_static_v2(dev, np); + if (ret) { + dev_err(dev, "%s: Failed to add OPP, %d\n", __func__, + ret); + goto free_table; + } + } + + /* There should be one of more OPP defined */ + if (WARN_ON(!count)) { + ret = -ENOENT; + goto put_opp_np; + } + + dev_opp = _find_device_opp(dev); + if (WARN_ON(IS_ERR(dev_opp))) { + ret = PTR_ERR(dev_opp); + goto free_table; + } + + dev_opp->np = opp_np; + dev_opp->shared_opp = of_property_read_bool(opp_np, "opp-shared"); + + of_node_put(opp_np); + return 0; + +free_table: + of_free_opp_table(dev); +put_opp_np: + of_node_put(opp_np); + + return ret; +} + +/* Initializes OPP tables based on old-deprecated bindings */ +static int _of_init_opp_table_v1(struct device *dev) { const struct property *prop; const __be32 *val; @@ -881,47 +1392,177 @@ int of_init_opp_table(struct device *dev) return 0; } -EXPORT_SYMBOL_GPL(of_init_opp_table); /** - * of_free_opp_table() - Free OPP table entries created from static DT entries + * of_init_opp_table() - Initialize opp table from device tree * @dev: device pointer used to lookup device OPPs. * - * Free OPPs created using static entries present in DT. + * Register the initial OPP table with the OPP library for given device. * * Locking: The internal device_opp and opp structures are RCU protected. * Hence this function indirectly uses RCU updater strategy with mutex locks * to keep the integrity of the internal data structures. Callers should ensure * that this function is *NOT* called under RCU protection or in contexts where * mutex cannot be locked. + * + * Return: + * 0 On success OR + * Duplicate OPPs (both freq and volt are same) and opp->available + * -EEXIST Freq are same and volt are different OR + * Duplicate OPPs (both freq and volt are same) and !opp->available + * -ENOMEM Memory allocation failure + * -ENODEV when 'operating-points' property is not found or is invalid data + * in device node. + * -ENODATA when empty 'operating-points' property is found + * -EINVAL when invalid entries are found in opp-v2 table */ -void of_free_opp_table(struct device *dev) +int of_init_opp_table(struct device *dev) +{ + const struct property *prop; + + /* + * OPPs have two version of bindings now. The older one is deprecated, + * try for the new binding first. + */ + prop = of_find_property(dev->of_node, "operating-points-v2", NULL); + if (!prop) { + /* + * Try old-deprecated bindings for backward compatibility with + * older dtbs. + */ + return _of_init_opp_table_v1(dev); + } + + return _of_init_opp_table_v2(dev, prop); +} +EXPORT_SYMBOL_GPL(of_init_opp_table); + +int of_cpumask_init_opp_table(cpumask_var_t cpumask) +{ + struct device *cpu_dev; + int cpu, ret = 0; + + WARN_ON(cpumask_empty(cpumask)); + + for_each_cpu(cpu, cpumask) { + cpu_dev = get_cpu_device(cpu); + if (!cpu_dev) { + pr_err("%s: failed to get cpu%d device\n", __func__, + cpu); + continue; + } + + ret = of_init_opp_table(cpu_dev); + if (ret) { + pr_err("%s: couldn't find opp table for cpu:%d, %d\n", + __func__, cpu, ret); + + /* Free all other OPPs */ + of_cpumask_free_opp_table(cpumask); + break; + } + } + + return ret; +} +EXPORT_SYMBOL_GPL(of_cpumask_init_opp_table); + +/* Required only for V1 bindings, as v2 can manage it from DT itself */ +int set_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask) { + struct device_list_opp *list_dev; struct device_opp *dev_opp; - struct dev_pm_opp *opp, *tmp; + struct device *dev; + int cpu, ret = 0; - /* Check for existing list for 'dev' */ - dev_opp = _find_device_opp(dev); + rcu_read_lock(); + + dev_opp = _find_device_opp(cpu_dev); if (IS_ERR(dev_opp)) { - int error = PTR_ERR(dev_opp); - if (error != -ENODEV) - WARN(1, "%s: dev_opp: %d\n", - IS_ERR_OR_NULL(dev) ? - "Invalid device" : dev_name(dev), - error); - return; + ret = -EINVAL; + goto out_rcu_read_unlock; } - /* Hold our list modification lock here */ - mutex_lock(&dev_opp_list_lock); + for_each_cpu(cpu, cpumask) { + if (cpu == cpu_dev->id) + continue; - /* Free static OPPs */ - list_for_each_entry_safe(opp, tmp, &dev_opp->opp_list, node) { - if (!opp->dynamic) - _opp_remove(dev_opp, opp); + dev = get_cpu_device(cpu); + if (!dev) { + dev_err(cpu_dev, "%s: failed to get cpu%d device\n", + __func__, cpu); + continue; + } + + list_dev = _add_list_dev(dev, dev_opp); + if (!list_dev) { + dev_err(dev, "%s: failed to add list-dev for cpu%d device\n", + __func__, cpu); + continue; + } } +out_rcu_read_unlock: + rcu_read_unlock(); - mutex_unlock(&dev_opp_list_lock); + return 0; } -EXPORT_SYMBOL_GPL(of_free_opp_table); +EXPORT_SYMBOL_GPL(set_cpus_sharing_opps); + +/* + * Works only for OPP v2 bindings. + * + * cpumask should be already set to mask of cpu_dev->id. + * Returns -ENOENT if operating-points-v2 bindings aren't supported. + */ +int of_get_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask) +{ + struct device_node *np, *tmp_np; + struct device *tcpu_dev; + int cpu, ret = 0; + + /* Get OPP descriptor node */ + np = _of_get_opp_desc_node(cpu_dev); + if (IS_ERR(np)) { + dev_dbg(cpu_dev, "%s: Couldn't find opp node: %ld\n", __func__, + PTR_ERR(np)); + return -ENOENT; + } + + /* OPPs are shared ? */ + if (!of_property_read_bool(np, "opp-shared")) + goto put_cpu_node; + + for_each_possible_cpu(cpu) { + if (cpu == cpu_dev->id) + continue; + + tcpu_dev = get_cpu_device(cpu); + if (!tcpu_dev) { + dev_err(cpu_dev, "%s: failed to get cpu%d device\n", + __func__, cpu); + ret = -ENODEV; + goto put_cpu_node; + } + + /* Get OPP descriptor node */ + tmp_np = _of_get_opp_desc_node(tcpu_dev); + if (IS_ERR(tmp_np)) { + dev_err(tcpu_dev, "%s: Couldn't find opp node: %ld\n", + __func__, PTR_ERR(tmp_np)); + ret = PTR_ERR(tmp_np); + goto put_cpu_node; + } + + /* CPUs are sharing opp node */ + if (np == tmp_np) + cpumask_set_cpu(cpu, cpumask); + + of_node_put(tmp_np); + } + +put_cpu_node: + of_node_put(np); + return ret; +} +EXPORT_SYMBOL_GPL(of_get_cpus_sharing_opps); #endif diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index f1a5d95e7b20..998fa6b23084 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -73,6 +73,8 @@ extern int pm_qos_sysfs_add_resume_latency(struct device *dev); extern void pm_qos_sysfs_remove_resume_latency(struct device *dev); extern int pm_qos_sysfs_add_flags(struct device *dev); extern void pm_qos_sysfs_remove_flags(struct device *dev); +extern int pm_qos_sysfs_add_latency_tolerance(struct device *dev); +extern void pm_qos_sysfs_remove_latency_tolerance(struct device *dev); #else /* CONFIG_PM */ diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c index e56d538d039e..7f3646e459cb 100644 --- a/drivers/base/power/qos.c +++ b/drivers/base/power/qos.c @@ -883,3 +883,40 @@ int dev_pm_qos_update_user_latency_tolerance(struct device *dev, s32 val) mutex_unlock(&dev_pm_qos_mtx); return ret; } + +/** + * dev_pm_qos_expose_latency_tolerance - Expose latency tolerance to userspace + * @dev: Device whose latency tolerance to expose + */ +int dev_pm_qos_expose_latency_tolerance(struct device *dev) +{ + int ret; + + if (!dev->power.set_latency_tolerance) + return -EINVAL; + + mutex_lock(&dev_pm_qos_sysfs_mtx); + ret = pm_qos_sysfs_add_latency_tolerance(dev); + mutex_unlock(&dev_pm_qos_sysfs_mtx); + + return ret; +} +EXPORT_SYMBOL_GPL(dev_pm_qos_expose_latency_tolerance); + +/** + * dev_pm_qos_hide_latency_tolerance - Hide latency tolerance from userspace + * @dev: Device whose latency tolerance to hide + */ +void dev_pm_qos_hide_latency_tolerance(struct device *dev) +{ + mutex_lock(&dev_pm_qos_sysfs_mtx); + pm_qos_sysfs_remove_latency_tolerance(dev); + mutex_unlock(&dev_pm_qos_sysfs_mtx); + + /* Remove the request from user space now */ + pm_runtime_get_sync(dev); + dev_pm_qos_update_user_latency_tolerance(dev, + PM_QOS_LATENCY_TOLERANCE_NO_CONSTRAINT); + pm_runtime_put(dev); +} +EXPORT_SYMBOL_GPL(dev_pm_qos_hide_latency_tolerance); diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c index d2be3f9c211c..a7b46798c81d 100644 --- a/drivers/base/power/sysfs.c +++ b/drivers/base/power/sysfs.c @@ -738,6 +738,17 @@ void pm_qos_sysfs_remove_flags(struct device *dev) sysfs_unmerge_group(&dev->kobj, &pm_qos_flags_attr_group); } +int pm_qos_sysfs_add_latency_tolerance(struct device *dev) +{ + return sysfs_merge_group(&dev->kobj, + &pm_qos_latency_tolerance_attr_group); +} + +void pm_qos_sysfs_remove_latency_tolerance(struct device *dev) +{ + sysfs_unmerge_group(&dev->kobj, &pm_qos_latency_tolerance_attr_group); +} + void rpm_sysfs_remove(struct device *dev) { sysfs_unmerge_group(&dev->kobj, &pm_runtime_attr_group); diff --git a/drivers/base/property.c b/drivers/base/property.c index f3f6d167f3f1..841b15c5c058 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -27,9 +27,10 @@ */ void device_add_property_set(struct device *dev, struct property_set *pset) { - if (pset) - pset->fwnode.type = FWNODE_PDATA; + if (!pset) + return; + pset->fwnode.type = FWNODE_PDATA; set_secondary_fwnode(dev, &pset->fwnode); } EXPORT_SYMBOL_GPL(device_add_property_set); @@ -461,7 +462,8 @@ int fwnode_property_read_string(struct fwnode_handle *fwnode, return acpi_dev_prop_read(to_acpi_node(fwnode), propname, DEV_PROP_STRING, val, 1); - return -ENXIO; + return pset_prop_read_array(to_pset(fwnode), propname, + DEV_PROP_STRING, val, 1); } EXPORT_SYMBOL_GPL(fwnode_property_read_string); diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c index 81751a49d8bf..56486d92c4e7 100644 --- a/drivers/base/regmap/regcache-rbtree.c +++ b/drivers/base/regmap/regcache-rbtree.c @@ -296,11 +296,20 @@ static int regcache_rbtree_insert_to_block(struct regmap *map, if (!blk) return -ENOMEM; - present = krealloc(rbnode->cache_present, - BITS_TO_LONGS(blklen) * sizeof(*present), GFP_KERNEL); - if (!present) { - kfree(blk); - return -ENOMEM; + if (BITS_TO_LONGS(blklen) > BITS_TO_LONGS(rbnode->blklen)) { + present = krealloc(rbnode->cache_present, + BITS_TO_LONGS(blklen) * sizeof(*present), + GFP_KERNEL); + if (!present) { + kfree(blk); + return -ENOMEM; + } + + memset(present + BITS_TO_LONGS(rbnode->blklen), 0, + (BITS_TO_LONGS(blklen) - BITS_TO_LONGS(rbnode->blklen)) + * sizeof(*present)); + } else { + present = rbnode->cache_present; } /* insert the register value in the correct place in the rbnode block */ diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 4a2ef09e6704..f504232c1ee7 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -3756,6 +3756,14 @@ static int mtip_init_cmd(void *data, struct request *rq, unsigned int hctx_idx, struct mtip_cmd *cmd = blk_mq_rq_to_pdu(rq); u32 host_cap_64 = readl(dd->mmio + HOST_CAP) & HOST_CAP_64; + /* + * For flush requests, request_idx starts at the end of the + * tag space. Since we don't support FLUSH/FUA, simply return + * 0 as there's nothing to be done. + */ + if (request_idx >= MTIP_MAX_COMMAND_SLOTS) + return 0; + cmd->command = dmam_alloc_coherent(&dd->pdev->dev, CMD_DMA_ALLOC_SZ, &cmd->command_dma, GFP_KERNEL); if (!cmd->command) diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index 69de41a87b74..3177b245d2bd 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -240,19 +240,19 @@ static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer) while ((entry = llist_del_all(&cq->list)) != NULL) { entry = llist_reverse_order(entry); do { + struct request_queue *q = NULL; + cmd = container_of(entry, struct nullb_cmd, ll_list); entry = entry->next; + if (cmd->rq) + q = cmd->rq->q; end_cmd(cmd); - if (cmd->rq) { - struct request_queue *q = cmd->rq->q; - - if (!q->mq_ops && blk_queue_stopped(q)) { - spin_lock(q->queue_lock); - if (blk_queue_stopped(q)) - blk_start_queue(q); - spin_unlock(q->queue_lock); - } + if (q && !q->mq_ops && blk_queue_stopped(q)) { + spin_lock(q->queue_lock); + if (blk_queue_stopped(q)) + blk_start_queue(q); + spin_unlock(q->queue_lock); } } while (entry); } diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index d94529d5c8e9..bc67a93aa4f4 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -523,6 +523,7 @@ void rbd_warn(struct rbd_device *rbd_dev, const char *fmt, ...) # define rbd_assert(expr) ((void) 0) #endif /* !RBD_DEBUG */ +static void rbd_osd_copyup_callback(struct rbd_obj_request *obj_request); static int rbd_img_obj_request_submit(struct rbd_obj_request *obj_request); static void rbd_img_parent_read(struct rbd_obj_request *obj_request); static void rbd_dev_remove_parent(struct rbd_device *rbd_dev); @@ -1818,6 +1819,16 @@ static void rbd_osd_stat_callback(struct rbd_obj_request *obj_request) obj_request_done_set(obj_request); } +static void rbd_osd_call_callback(struct rbd_obj_request *obj_request) +{ + dout("%s: obj %p\n", __func__, obj_request); + + if (obj_request_img_data_test(obj_request)) + rbd_osd_copyup_callback(obj_request); + else + obj_request_done_set(obj_request); +} + static void rbd_osd_req_callback(struct ceph_osd_request *osd_req, struct ceph_msg *msg) { @@ -1866,6 +1877,8 @@ static void rbd_osd_req_callback(struct ceph_osd_request *osd_req, rbd_osd_discard_callback(obj_request); break; case CEPH_OSD_OP_CALL: + rbd_osd_call_callback(obj_request); + break; case CEPH_OSD_OP_NOTIFY_ACK: case CEPH_OSD_OP_WATCH: rbd_osd_trivial_callback(obj_request); @@ -2530,13 +2543,15 @@ out_unwind: } static void -rbd_img_obj_copyup_callback(struct rbd_obj_request *obj_request) +rbd_osd_copyup_callback(struct rbd_obj_request *obj_request) { struct rbd_img_request *img_request; struct rbd_device *rbd_dev; struct page **pages; u32 page_count; + dout("%s: obj %p\n", __func__, obj_request); + rbd_assert(obj_request->type == OBJ_REQUEST_BIO || obj_request->type == OBJ_REQUEST_NODATA); rbd_assert(obj_request_img_data_test(obj_request)); @@ -2563,9 +2578,7 @@ rbd_img_obj_copyup_callback(struct rbd_obj_request *obj_request) if (!obj_request->result) obj_request->xferred = obj_request->length; - /* Finish up with the normal image object callback */ - - rbd_img_obj_callback(obj_request); + obj_request_done_set(obj_request); } static void @@ -2650,7 +2663,6 @@ rbd_img_obj_parent_read_full_callback(struct rbd_img_request *img_request) /* All set, send it off. */ - orig_request->callback = rbd_img_obj_copyup_callback; osdc = &rbd_dev->rbd_client->client->osdc; img_result = rbd_obj_request_submit(osdc, orig_request); if (!img_result) diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index ced96777b677..954c0029fb3b 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -369,8 +369,8 @@ static void purge_persistent_gnt(struct xen_blkif *blkif) return; } - if (work_pending(&blkif->persistent_purge_work)) { - pr_alert_ratelimited("Scheduled work from previous purge is still pending, cannot purge list\n"); + if (work_busy(&blkif->persistent_purge_work)) { + pr_alert_ratelimited("Scheduled work from previous purge is still busy, cannot purge list\n"); return; } diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 6d89ed35d80c..7a8a73f1fc04 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -179,6 +179,7 @@ static DEFINE_SPINLOCK(minor_lock); ((_segs + SEGS_PER_INDIRECT_FRAME - 1)/SEGS_PER_INDIRECT_FRAME) static int blkfront_setup_indirect(struct blkfront_info *info); +static int blkfront_gather_backend_features(struct blkfront_info *info); static int get_id_from_freelist(struct blkfront_info *info) { @@ -1128,8 +1129,10 @@ static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info, * Add the used indirect page back to the list of * available pages for indirect grefs. */ - indirect_page = pfn_to_page(s->indirect_grants[i]->pfn); - list_add(&indirect_page->lru, &info->indirect_pages); + if (!info->feature_persistent) { + indirect_page = pfn_to_page(s->indirect_grants[i]->pfn); + list_add(&indirect_page->lru, &info->indirect_pages); + } s->indirect_grants[i]->gref = GRANT_INVALID_REF; list_add_tail(&s->indirect_grants[i]->node, &info->grants); } @@ -1519,7 +1522,7 @@ static int blkif_recover(struct blkfront_info *info) info->shadow_free = info->ring.req_prod_pvt; info->shadow[BLK_RING_SIZE(info)-1].req.u.rw.id = 0x0fffffff; - rc = blkfront_setup_indirect(info); + rc = blkfront_gather_backend_features(info); if (rc) { kfree(copy); return rc; @@ -1720,20 +1723,13 @@ static void blkfront_setup_discard(struct blkfront_info *info) static int blkfront_setup_indirect(struct blkfront_info *info) { - unsigned int indirect_segments, segs; + unsigned int segs; int err, i; - err = xenbus_gather(XBT_NIL, info->xbdev->otherend, - "feature-max-indirect-segments", "%u", &indirect_segments, - NULL); - if (err) { - info->max_indirect_segments = 0; + if (info->max_indirect_segments == 0) segs = BLKIF_MAX_SEGMENTS_PER_REQUEST; - } else { - info->max_indirect_segments = min(indirect_segments, - xen_blkif_max_segments); + else segs = info->max_indirect_segments; - } err = fill_grant_buffer(info, (segs + INDIRECT_GREFS(segs)) * BLK_RING_SIZE(info)); if (err) @@ -1797,6 +1793,68 @@ out_of_memory: } /* + * Gather all backend feature-* + */ +static int blkfront_gather_backend_features(struct blkfront_info *info) +{ + int err; + int barrier, flush, discard, persistent; + unsigned int indirect_segments; + + info->feature_flush = 0; + + err = xenbus_gather(XBT_NIL, info->xbdev->otherend, + "feature-barrier", "%d", &barrier, + NULL); + + /* + * If there's no "feature-barrier" defined, then it means + * we're dealing with a very old backend which writes + * synchronously; nothing to do. + * + * If there are barriers, then we use flush. + */ + if (!err && barrier) + info->feature_flush = REQ_FLUSH | REQ_FUA; + /* + * And if there is "feature-flush-cache" use that above + * barriers. + */ + err = xenbus_gather(XBT_NIL, info->xbdev->otherend, + "feature-flush-cache", "%d", &flush, + NULL); + + if (!err && flush) + info->feature_flush = REQ_FLUSH; + + err = xenbus_gather(XBT_NIL, info->xbdev->otherend, + "feature-discard", "%d", &discard, + NULL); + + if (!err && discard) + blkfront_setup_discard(info); + + err = xenbus_gather(XBT_NIL, info->xbdev->otherend, + "feature-persistent", "%u", &persistent, + NULL); + if (err) + info->feature_persistent = 0; + else + info->feature_persistent = persistent; + + err = xenbus_gather(XBT_NIL, info->xbdev->otherend, + "feature-max-indirect-segments", "%u", &indirect_segments, + NULL); + if (err) + info->max_indirect_segments = 0; + else + info->max_indirect_segments = min(indirect_segments, + xen_blkif_max_segments); + + return blkfront_setup_indirect(info); +} + +/* * Invoked when the backend is finally 'ready' (and has told produced * the details about the physical device - #sectors, size, etc). */ @@ -1807,7 +1865,6 @@ static void blkfront_connect(struct blkfront_info *info) unsigned int physical_sector_size; unsigned int binfo; int err; - int barrier, flush, discard, persistent; switch (info->connected) { case BLKIF_STATE_CONNECTED: @@ -1864,48 +1921,7 @@ static void blkfront_connect(struct blkfront_info *info) if (err != 1) physical_sector_size = sector_size; - info->feature_flush = 0; - - err = xenbus_gather(XBT_NIL, info->xbdev->otherend, - "feature-barrier", "%d", &barrier, - NULL); - - /* - * If there's no "feature-barrier" defined, then it means - * we're dealing with a very old backend which writes - * synchronously; nothing to do. - * - * If there are barriers, then we use flush. - */ - if (!err && barrier) - info->feature_flush = REQ_FLUSH | REQ_FUA; - /* - * And if there is "feature-flush-cache" use that above - * barriers. - */ - err = xenbus_gather(XBT_NIL, info->xbdev->otherend, - "feature-flush-cache", "%d", &flush, - NULL); - - if (!err && flush) - info->feature_flush = REQ_FLUSH; - - err = xenbus_gather(XBT_NIL, info->xbdev->otherend, - "feature-discard", "%d", &discard, - NULL); - - if (!err && discard) - blkfront_setup_discard(info); - - err = xenbus_gather(XBT_NIL, info->xbdev->otherend, - "feature-persistent", "%u", &persistent, - NULL); - if (err) - info->feature_persistent = 0; - else - info->feature_persistent = persistent; - - err = blkfront_setup_indirect(info); + err = blkfront_gather_backend_features(info); if (err) { xenbus_dev_fatal(info->xbdev, err, "setup_indirect at %s", info->xbdev->otherend); diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index fb655e8d1e3b..763301c7828c 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -496,10 +496,9 @@ static void zram_meta_free(struct zram_meta *meta, u64 disksize) kfree(meta); } -static struct zram_meta *zram_meta_alloc(int device_id, u64 disksize) +static struct zram_meta *zram_meta_alloc(char *pool_name, u64 disksize) { size_t num_pages; - char pool_name[8]; struct zram_meta *meta = kmalloc(sizeof(*meta), GFP_KERNEL); if (!meta) @@ -512,7 +511,6 @@ static struct zram_meta *zram_meta_alloc(int device_id, u64 disksize) goto out_error; } - snprintf(pool_name, sizeof(pool_name), "zram%d", device_id); meta->mem_pool = zs_create_pool(pool_name, GFP_NOIO | __GFP_HIGHMEM); if (!meta->mem_pool) { pr_err("Error creating memory pool\n"); @@ -1031,7 +1029,7 @@ static ssize_t disksize_store(struct device *dev, return -EINVAL; disksize = PAGE_ALIGN(disksize); - meta = zram_meta_alloc(zram->disk->first_minor, disksize); + meta = zram_meta_alloc(zram->disk->disk_name, disksize); if (!meta) return -ENOMEM; diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c index 1e1a4323a71f..9ceb8ac68fdc 100644 --- a/drivers/bluetooth/btbcm.c +++ b/drivers/bluetooth/btbcm.c @@ -472,12 +472,11 @@ int btbcm_setup_apple(struct hci_dev *hdev) /* Read Verbose Config Version Info */ skb = btbcm_read_verbose_config(hdev); - if (IS_ERR(skb)) - return PTR_ERR(skb); - - BT_INFO("%s: BCM: chip id %u build %4.4u", hdev->name, skb->data[1], - get_unaligned_le16(skb->data + 5)); - kfree_skb(skb); + if (!IS_ERR(skb)) { + BT_INFO("%s: BCM: chip id %u build %4.4u", hdev->name, skb->data[1], + get_unaligned_le16(skb->data + 5)); + kfree_skb(skb); + } set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index da8faf78536a..5643b65cee20 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -429,7 +429,7 @@ static int hwrng_fillfn(void *unused) static void start_khwrngd(void) { hwrng_fill = kthread_run(hwrng_fillfn, NULL, "hwrng"); - if (hwrng_fill == ERR_PTR(-ENOMEM)) { + if (IS_ERR(hwrng_fill)) { pr_err("hwrng_fill thread creation failed"); hwrng_fill = NULL; } diff --git a/drivers/clk/pxa/clk-pxa3xx.c b/drivers/clk/pxa/clk-pxa3xx.c index 4b93a1efb36d..ac03ba49e9d1 100644 --- a/drivers/clk/pxa/clk-pxa3xx.c +++ b/drivers/clk/pxa/clk-pxa3xx.c @@ -126,7 +126,7 @@ PARENTS(pxa3xx_ac97_bus) = { "ring_osc_60mhz", "ac97" }; PARENTS(pxa3xx_sbus) = { "ring_osc_60mhz", "system_bus" }; PARENTS(pxa3xx_smemcbus) = { "ring_osc_60mhz", "smemc" }; -#define CKEN_AB(bit) ((CKEN_ ## bit > 31) ? &CKENA : &CKENB) +#define CKEN_AB(bit) ((CKEN_ ## bit > 31) ? &CKENB : &CKENA) #define PXA3XX_CKEN(dev_id, con_id, parents, mult_lp, div_lp, mult_hp, \ div_hp, bit, is_lp, flags) \ PXA_CKEN(dev_id, con_id, bit, parents, mult_lp, div_lp, \ diff --git a/drivers/clk/spear/clk-aux-synth.c b/drivers/clk/spear/clk-aux-synth.c index bdfb4421c643..f271c350ef94 100644 --- a/drivers/clk/spear/clk-aux-synth.c +++ b/drivers/clk/spear/clk-aux-synth.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk-frac-synth.c b/drivers/clk/spear/clk-frac-synth.c index dffd4ce6c8b5..58d678b5b40a 100644 --- a/drivers/clk/spear/clk-frac-synth.c +++ b/drivers/clk/spear/clk-frac-synth.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk-gpt-synth.c b/drivers/clk/spear/clk-gpt-synth.c index 1afc18c4effc..1a722e99e76e 100644 --- a/drivers/clk/spear/clk-gpt-synth.c +++ b/drivers/clk/spear/clk-gpt-synth.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk-vco-pll.c b/drivers/clk/spear/clk-vco-pll.c index 1b9b65bca51e..5ebddc528145 100644 --- a/drivers/clk/spear/clk-vco-pll.c +++ b/drivers/clk/spear/clk-vco-pll.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk.c b/drivers/clk/spear/clk.c index 628b6d5ed3d9..157fe099ea6a 100644 --- a/drivers/clk/spear/clk.c +++ b/drivers/clk/spear/clk.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/clk.h b/drivers/clk/spear/clk.h index 931737677dfa..9834944f08b1 100644 --- a/drivers/clk/spear/clk.h +++ b/drivers/clk/spear/clk.h @@ -2,7 +2,7 @@ * Clock framework definitions for SPEAr platform * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/spear1310_clock.c b/drivers/clk/spear/spear1310_clock.c index 4daa5977793a..222ce108b41a 100644 --- a/drivers/clk/spear/spear1310_clock.c +++ b/drivers/clk/spear/spear1310_clock.c @@ -4,7 +4,7 @@ * SPEAr1310 machine clock framework source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/spear1340_clock.c b/drivers/clk/spear/spear1340_clock.c index 5a5c6648308d..973c9d3fbcf8 100644 --- a/drivers/clk/spear/spear1340_clock.c +++ b/drivers/clk/spear/spear1340_clock.c @@ -4,7 +4,7 @@ * SPEAr1340 machine clock framework source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c index bb5f387774e2..404a55edd613 100644 --- a/drivers/clk/spear/spear3xx_clock.c +++ b/drivers/clk/spear/spear3xx_clock.c @@ -2,7 +2,7 @@ * SPEAr3xx machines clock framework source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clk/spear/spear6xx_clock.c b/drivers/clk/spear/spear6xx_clock.c index 4f649c9cb094..231061fa73a4 100644 --- a/drivers/clk/spear/spear6xx_clock.c +++ b/drivers/clk/spear/spear6xx_clock.c @@ -2,7 +2,7 @@ * SPEAr6xx machines clock framework source file * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index b8ff3c64cc45..c96de14036a0 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -661,6 +661,9 @@ static void sh_cmt_clocksource_suspend(struct clocksource *cs) { struct sh_cmt_channel *ch = cs_to_sh_cmt(cs); + if (!ch->cs_enabled) + return; + sh_cmt_stop(ch, FLAG_CLOCKSOURCE); pm_genpd_syscore_poweroff(&ch->cmt->pdev->dev); } @@ -669,6 +672,9 @@ static void sh_cmt_clocksource_resume(struct clocksource *cs) { struct sh_cmt_channel *ch = cs_to_sh_cmt(cs); + if (!ch->cs_enabled) + return; + pm_genpd_syscore_poweron(&ch->cmt->pdev->dev); sh_cmt_start(ch, FLAG_CLOCKSOURCE); } diff --git a/drivers/clocksource/timer-imx-gpt.c b/drivers/clocksource/timer-imx-gpt.c index 2d59038dec43..86c7eb66bdfb 100644 --- a/drivers/clocksource/timer-imx-gpt.c +++ b/drivers/clocksource/timer-imx-gpt.c @@ -462,6 +462,7 @@ void __init mxc_timer_init(unsigned long pbase, int irq, enum imx_gpt_type type) BUG_ON(!imxtm->base); imxtm->type = type; + imxtm->irq = irq; _mxc_timer_init(imxtm); } diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index cc8a71c267b8..2bacf24a19a9 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -130,6 +130,13 @@ config ARM_KIRKWOOD_CPUFREQ This adds the CPUFreq driver for Marvell Kirkwood SoCs. +config ARM_MT8173_CPUFREQ + bool "Mediatek MT8173 CPUFreq support" + depends on ARCH_MEDIATEK && REGULATOR + select PM_OPP + help + This adds the CPUFreq driver support for Mediatek MT8173 SoC. + config ARM_OMAP2PLUS_CPUFREQ bool "TI OMAP2+" depends on ARCH_OMAP2PLUS diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile index 2169bf792db7..9c75fafd2901 100644 --- a/drivers/cpufreq/Makefile +++ b/drivers/cpufreq/Makefile @@ -62,6 +62,7 @@ obj-$(CONFIG_ARM_HISI_ACPU_CPUFREQ) += hisi-acpu-cpufreq.o obj-$(CONFIG_ARM_IMX6Q_CPUFREQ) += imx6q-cpufreq.o obj-$(CONFIG_ARM_INTEGRATOR) += integrator-cpufreq.o obj-$(CONFIG_ARM_KIRKWOOD_CPUFREQ) += kirkwood-cpufreq.o +obj-$(CONFIG_ARM_MT8173_CPUFREQ) += mt8173-cpufreq.o obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ) += omap-cpufreq.o obj-$(CONFIG_ARM_PXA2xx_CPUFREQ) += pxa2xx-cpufreq.o obj-$(CONFIG_PXA3xx) += pxa3xx-cpufreq.o diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index 0136dfcdabf0..15b921a9248c 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -65,18 +65,21 @@ enum { #define MSR_K7_HWCR_CPB_DIS (1ULL << 25) struct acpi_cpufreq_data { - struct acpi_processor_performance *acpi_data; struct cpufreq_frequency_table *freq_table; unsigned int resume; unsigned int cpu_feature; + unsigned int acpi_perf_cpu; cpumask_var_t freqdomain_cpus; }; -static DEFINE_PER_CPU(struct acpi_cpufreq_data *, acfreq_data); - /* acpi_perf_data is a pointer to percpu data. */ static struct acpi_processor_performance __percpu *acpi_perf_data; +static inline struct acpi_processor_performance *to_perf_data(struct acpi_cpufreq_data *data) +{ + return per_cpu_ptr(acpi_perf_data, data->acpi_perf_cpu); +} + static struct cpufreq_driver acpi_cpufreq_driver; static unsigned int acpi_pstate_strict; @@ -144,7 +147,7 @@ static int _store_boost(int val) static ssize_t show_freqdomain_cpus(struct cpufreq_policy *policy, char *buf) { - struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu); + struct acpi_cpufreq_data *data = policy->driver_data; return cpufreq_show_cpus(data->freqdomain_cpus, buf); } @@ -202,7 +205,7 @@ static unsigned extract_io(u32 value, struct acpi_cpufreq_data *data) struct acpi_processor_performance *perf; int i; - perf = data->acpi_data; + perf = to_perf_data(data); for (i = 0; i < perf->state_count; i++) { if (value == perf->states[i].status) @@ -221,7 +224,7 @@ static unsigned extract_msr(u32 msr, struct acpi_cpufreq_data *data) else msr &= INTEL_MSR_RANGE; - perf = data->acpi_data; + perf = to_perf_data(data); cpufreq_for_each_entry(pos, data->freq_table) if (msr == perf->states[pos->driver_data].status) @@ -327,7 +330,8 @@ static void drv_write(struct drv_cmd *cmd) put_cpu(); } -static u32 get_cur_val(const struct cpumask *mask) +static u32 +get_cur_val(const struct cpumask *mask, struct acpi_cpufreq_data *data) { struct acpi_processor_performance *perf; struct drv_cmd cmd; @@ -335,7 +339,7 @@ static u32 get_cur_val(const struct cpumask *mask) if (unlikely(cpumask_empty(mask))) return 0; - switch (per_cpu(acfreq_data, cpumask_first(mask))->cpu_feature) { + switch (data->cpu_feature) { case SYSTEM_INTEL_MSR_CAPABLE: cmd.type = SYSTEM_INTEL_MSR_CAPABLE; cmd.addr.msr.reg = MSR_IA32_PERF_CTL; @@ -346,7 +350,7 @@ static u32 get_cur_val(const struct cpumask *mask) break; case SYSTEM_IO_CAPABLE: cmd.type = SYSTEM_IO_CAPABLE; - perf = per_cpu(acfreq_data, cpumask_first(mask))->acpi_data; + perf = to_perf_data(data); cmd.addr.io.port = perf->control_register.address; cmd.addr.io.bit_width = perf->control_register.bit_width; break; @@ -364,19 +368,24 @@ static u32 get_cur_val(const struct cpumask *mask) static unsigned int get_cur_freq_on_cpu(unsigned int cpu) { - struct acpi_cpufreq_data *data = per_cpu(acfreq_data, cpu); + struct acpi_cpufreq_data *data; + struct cpufreq_policy *policy; unsigned int freq; unsigned int cached_freq; pr_debug("get_cur_freq_on_cpu (%d)\n", cpu); - if (unlikely(data == NULL || - data->acpi_data == NULL || data->freq_table == NULL)) { + policy = cpufreq_cpu_get(cpu); + if (unlikely(!policy)) return 0; - } - cached_freq = data->freq_table[data->acpi_data->state].frequency; - freq = extract_freq(get_cur_val(cpumask_of(cpu)), data); + data = policy->driver_data; + cpufreq_cpu_put(policy); + if (unlikely(!data || !data->freq_table)) + return 0; + + cached_freq = data->freq_table[to_perf_data(data)->state].frequency; + freq = extract_freq(get_cur_val(cpumask_of(cpu), data), data); if (freq != cached_freq) { /* * The dreaded BIOS frequency change behind our back. @@ -397,7 +406,7 @@ static unsigned int check_freqs(const struct cpumask *mask, unsigned int freq, unsigned int i; for (i = 0; i < 100; i++) { - cur_freq = extract_freq(get_cur_val(mask), data); + cur_freq = extract_freq(get_cur_val(mask, data), data); if (cur_freq == freq) return 1; udelay(10); @@ -408,18 +417,17 @@ static unsigned int check_freqs(const struct cpumask *mask, unsigned int freq, static int acpi_cpufreq_target(struct cpufreq_policy *policy, unsigned int index) { - struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu); + struct acpi_cpufreq_data *data = policy->driver_data; struct acpi_processor_performance *perf; struct drv_cmd cmd; unsigned int next_perf_state = 0; /* Index into perf table */ int result = 0; - if (unlikely(data == NULL || - data->acpi_data == NULL || data->freq_table == NULL)) { + if (unlikely(data == NULL || data->freq_table == NULL)) { return -ENODEV; } - perf = data->acpi_data; + perf = to_perf_data(data); next_perf_state = data->freq_table[index].driver_data; if (perf->state == next_perf_state) { if (unlikely(data->resume)) { @@ -482,8 +490,9 @@ out: static unsigned long acpi_cpufreq_guess_freq(struct acpi_cpufreq_data *data, unsigned int cpu) { - struct acpi_processor_performance *perf = data->acpi_data; + struct acpi_processor_performance *perf; + perf = to_perf_data(data); if (cpu_khz) { /* search the closest match to cpu_khz */ unsigned int i; @@ -672,17 +681,17 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) goto err_free; } - data->acpi_data = per_cpu_ptr(acpi_perf_data, cpu); - per_cpu(acfreq_data, cpu) = data; + perf = per_cpu_ptr(acpi_perf_data, cpu); + data->acpi_perf_cpu = cpu; + policy->driver_data = data; if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS; - result = acpi_processor_register_performance(data->acpi_data, cpu); + result = acpi_processor_register_performance(perf, cpu); if (result) goto err_free_mask; - perf = data->acpi_data; policy->shared_type = perf->shared_type; /* @@ -838,26 +847,25 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) err_freqfree: kfree(data->freq_table); err_unreg: - acpi_processor_unregister_performance(perf, cpu); + acpi_processor_unregister_performance(cpu); err_free_mask: free_cpumask_var(data->freqdomain_cpus); err_free: kfree(data); - per_cpu(acfreq_data, cpu) = NULL; + policy->driver_data = NULL; return result; } static int acpi_cpufreq_cpu_exit(struct cpufreq_policy *policy) { - struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu); + struct acpi_cpufreq_data *data = policy->driver_data; pr_debug("acpi_cpufreq_cpu_exit\n"); if (data) { - per_cpu(acfreq_data, policy->cpu) = NULL; - acpi_processor_unregister_performance(data->acpi_data, - policy->cpu); + policy->driver_data = NULL; + acpi_processor_unregister_performance(data->acpi_perf_cpu); free_cpumask_var(data->freqdomain_cpus); kfree(data->freq_table); kfree(data); @@ -868,7 +876,7 @@ static int acpi_cpufreq_cpu_exit(struct cpufreq_policy *policy) static int acpi_cpufreq_resume(struct cpufreq_policy *policy) { - struct acpi_cpufreq_data *data = per_cpu(acfreq_data, policy->cpu); + struct acpi_cpufreq_data *data = policy->driver_data; pr_debug("acpi_cpufreq_resume\n"); @@ -880,7 +888,9 @@ static int acpi_cpufreq_resume(struct cpufreq_policy *policy) static struct freq_attr *acpi_cpufreq_attr[] = { &cpufreq_freq_attr_scaling_available_freqs, &freqdomain_cpus, - NULL, /* this is a placeholder for cpb, do not remove */ +#ifdef CONFIG_X86_ACPI_CPUFREQ_CPB + &cpb, +#endif NULL, }; @@ -953,17 +963,16 @@ static int __init acpi_cpufreq_init(void) * only if configured. This is considered legacy code, which * will probably be removed at some point in the future. */ - if (check_amd_hwpstate_cpu(0)) { - struct freq_attr **iter; - - pr_debug("adding sysfs entry for cpb\n"); + if (!check_amd_hwpstate_cpu(0)) { + struct freq_attr **attr; - for (iter = acpi_cpufreq_attr; *iter != NULL; iter++) - ; + pr_debug("CPB unsupported, do not expose it\n"); - /* make sure there is a terminator behind it */ - if (iter[1] == NULL) - *iter = &cpb; + for (attr = acpi_cpufreq_attr; *attr; attr++) + if (*attr == &cpb) { + *attr = NULL; + break; + } } #endif acpi_cpufreq_boost_init(); diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index 528a82bf5038..c3583cdfadbd 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -36,6 +36,12 @@ struct private_data { unsigned int voltage_tolerance; /* in percentage */ }; +static struct freq_attr *cpufreq_dt_attr[] = { + &cpufreq_freq_attr_scaling_available_freqs, + NULL, /* Extra space for boost-attr if required */ + NULL, +}; + static int set_target(struct cpufreq_policy *policy, unsigned int index) { struct dev_pm_opp *opp; @@ -184,7 +190,6 @@ try_again: static int cpufreq_init(struct cpufreq_policy *policy) { - struct cpufreq_dt_platform_data *pd; struct cpufreq_frequency_table *freq_table; struct device_node *np; struct private_data *priv; @@ -193,6 +198,7 @@ static int cpufreq_init(struct cpufreq_policy *policy) struct clk *cpu_clk; unsigned long min_uV = ~0, max_uV = 0; unsigned int transition_latency; + bool need_update = false; int ret; ret = allocate_resources(policy->cpu, &cpu_dev, &cpu_reg, &cpu_clk); @@ -208,8 +214,47 @@ static int cpufreq_init(struct cpufreq_policy *policy) goto out_put_reg_clk; } - /* OPPs might be populated at runtime, don't check for error here */ - of_init_opp_table(cpu_dev); + /* Get OPP-sharing information from "operating-points-v2" bindings */ + ret = of_get_cpus_sharing_opps(cpu_dev, policy->cpus); + if (ret) { + /* + * operating-points-v2 not supported, fallback to old method of + * finding shared-OPPs for backward compatibility. + */ + if (ret == -ENOENT) + need_update = true; + else + goto out_node_put; + } + + /* + * Initialize OPP tables for all policy->cpus. They will be shared by + * all CPUs which have marked their CPUs shared with OPP bindings. + * + * For platforms not using operating-points-v2 bindings, we do this + * before updating policy->cpus. Otherwise, we will end up creating + * duplicate OPPs for policy->cpus. + * + * OPPs might be populated at runtime, don't check for error here + */ + of_cpumask_init_opp_table(policy->cpus); + + if (need_update) { + struct cpufreq_dt_platform_data *pd = cpufreq_get_driver_data(); + + if (!pd || !pd->independent_clocks) + cpumask_setall(policy->cpus); + + /* + * OPP tables are initialized only for policy->cpu, do it for + * others as well. + */ + set_cpus_sharing_opps(cpu_dev, policy->cpus); + + of_property_read_u32(np, "clock-latency", &transition_latency); + } else { + transition_latency = dev_pm_opp_get_max_clock_latency(cpu_dev); + } /* * But we need OPP table to function so if it is not there let's @@ -230,7 +275,7 @@ static int cpufreq_init(struct cpufreq_policy *policy) of_property_read_u32(np, "voltage-tolerance", &priv->voltage_tolerance); - if (of_property_read_u32(np, "clock-latency", &transition_latency)) + if (!transition_latency) transition_latency = CPUFREQ_ETERNAL; if (!IS_ERR(cpu_reg)) { @@ -291,11 +336,16 @@ static int cpufreq_init(struct cpufreq_policy *policy) goto out_free_cpufreq_table; } - policy->cpuinfo.transition_latency = transition_latency; + /* Support turbo/boost mode */ + if (policy_has_boost_freq(policy)) { + /* This gets disabled by core on driver unregister */ + ret = cpufreq_enable_boost_support(); + if (ret) + goto out_free_cpufreq_table; + cpufreq_dt_attr[1] = &cpufreq_freq_attr_scaling_boost_freqs; + } - pd = cpufreq_get_driver_data(); - if (!pd || !pd->independent_clocks) - cpumask_setall(policy->cpus); + policy->cpuinfo.transition_latency = transition_latency; of_node_put(np); @@ -306,7 +356,8 @@ out_free_cpufreq_table: out_free_priv: kfree(priv); out_free_opp: - of_free_opp_table(cpu_dev); + of_cpumask_free_opp_table(policy->cpus); +out_node_put: of_node_put(np); out_put_reg_clk: clk_put(cpu_clk); @@ -322,7 +373,7 @@ static int cpufreq_exit(struct cpufreq_policy *policy) cpufreq_cooling_unregister(priv->cdev); dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table); - of_free_opp_table(priv->cpu_dev); + of_cpumask_free_opp_table(policy->related_cpus); clk_put(policy->clk); if (!IS_ERR(priv->cpu_reg)) regulator_put(priv->cpu_reg); @@ -367,7 +418,7 @@ static struct cpufreq_driver dt_cpufreq_driver = { .exit = cpufreq_exit, .ready = cpufreq_ready, .name = "cpufreq-dt", - .attr = cpufreq_generic_attr, + .attr = cpufreq_dt_attr, }; static int dt_cpufreq_probe(struct platform_device *pdev) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 26063afb3eba..abb776827bb1 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -112,12 +112,6 @@ static inline bool has_target(void) return cpufreq_driver->target_index || cpufreq_driver->target; } -/* - * rwsem to guarantee that cpufreq driver module doesn't unload during critical - * sections - */ -static DECLARE_RWSEM(cpufreq_rwsem); - /* internal prototypes */ static int __cpufreq_governor(struct cpufreq_policy *policy, unsigned int event); @@ -277,10 +271,6 @@ EXPORT_SYMBOL_GPL(cpufreq_generic_get); * If corresponding call cpufreq_cpu_put() isn't made, the policy wouldn't be * freed as that depends on the kobj count. * - * It also takes a read-lock of 'cpufreq_rwsem' and doesn't put it back if a - * valid policy is found. This is done to make sure the driver doesn't get - * unregistered while the policy is being used. - * * Return: A valid policy on success, otherwise NULL on failure. */ struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu) @@ -291,9 +281,6 @@ struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu) if (WARN_ON(cpu >= nr_cpu_ids)) return NULL; - if (!down_read_trylock(&cpufreq_rwsem)) - return NULL; - /* get the cpufreq driver */ read_lock_irqsave(&cpufreq_driver_lock, flags); @@ -306,9 +293,6 @@ struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu) read_unlock_irqrestore(&cpufreq_driver_lock, flags); - if (!policy) - up_read(&cpufreq_rwsem); - return policy; } EXPORT_SYMBOL_GPL(cpufreq_cpu_get); @@ -320,13 +304,10 @@ EXPORT_SYMBOL_GPL(cpufreq_cpu_get); * * This decrements the kobject reference count incremented earlier by calling * cpufreq_cpu_get(). - * - * It also drops the read-lock of 'cpufreq_rwsem' taken at cpufreq_cpu_get(). */ void cpufreq_cpu_put(struct cpufreq_policy *policy) { kobject_put(&policy->kobj); - up_read(&cpufreq_rwsem); } EXPORT_SYMBOL_GPL(cpufreq_cpu_put); @@ -539,9 +520,6 @@ static int cpufreq_parse_governor(char *str_governor, unsigned int *policy, { int err = -EINVAL; - if (!cpufreq_driver) - goto out; - if (cpufreq_driver->setpolicy) { if (!strncasecmp(str_governor, "performance", CPUFREQ_NAME_LEN)) { *policy = CPUFREQ_POLICY_PERFORMANCE; @@ -576,7 +554,6 @@ static int cpufreq_parse_governor(char *str_governor, unsigned int *policy, mutex_unlock(&cpufreq_governor_mutex); } -out: return err; } @@ -625,9 +602,7 @@ static ssize_t store_##file_name \ int ret, temp; \ struct cpufreq_policy new_policy; \ \ - ret = cpufreq_get_policy(&new_policy, policy->cpu); \ - if (ret) \ - return -EINVAL; \ + memcpy(&new_policy, policy, sizeof(*policy)); \ \ ret = sscanf(buf, "%u", &new_policy.object); \ if (ret != 1) \ @@ -681,9 +656,7 @@ static ssize_t store_scaling_governor(struct cpufreq_policy *policy, char str_governor[16]; struct cpufreq_policy new_policy; - ret = cpufreq_get_policy(&new_policy, policy->cpu); - if (ret) - return ret; + memcpy(&new_policy, policy, sizeof(*policy)); ret = sscanf(buf, "%15s", str_governor); if (ret != 1) @@ -694,14 +667,7 @@ static ssize_t store_scaling_governor(struct cpufreq_policy *policy, return -EINVAL; ret = cpufreq_set_policy(policy, &new_policy); - - policy->user_policy.policy = policy->policy; - policy->user_policy.governor = policy->governor; - - if (ret) - return ret; - else - return count; + return ret ? ret : count; } /** @@ -851,9 +817,6 @@ static ssize_t show(struct kobject *kobj, struct attribute *attr, char *buf) struct freq_attr *fattr = to_attr(attr); ssize_t ret; - if (!down_read_trylock(&cpufreq_rwsem)) - return -EINVAL; - down_read(&policy->rwsem); if (fattr->show) @@ -862,7 +825,6 @@ static ssize_t show(struct kobject *kobj, struct attribute *attr, char *buf) ret = -EIO; up_read(&policy->rwsem); - up_read(&cpufreq_rwsem); return ret; } @@ -879,9 +841,6 @@ static ssize_t store(struct kobject *kobj, struct attribute *attr, if (!cpu_online(policy->cpu)) goto unlock; - if (!down_read_trylock(&cpufreq_rwsem)) - goto unlock; - down_write(&policy->rwsem); /* Updating inactive policies is invalid, so avoid doing that. */ @@ -897,8 +856,6 @@ static ssize_t store(struct kobject *kobj, struct attribute *attr, unlock_policy_rwsem: up_write(&policy->rwsem); - - up_read(&cpufreq_rwsem); unlock: put_online_cpus(); @@ -1002,7 +959,7 @@ static int cpufreq_add_dev_symlink(struct cpufreq_policy *policy) int ret = 0; /* Some related CPUs might not be present (physically hotplugged) */ - for_each_cpu_and(j, policy->related_cpus, cpu_present_mask) { + for_each_cpu(j, policy->real_cpus) { if (j == policy->kobj_cpu) continue; @@ -1019,7 +976,7 @@ static void cpufreq_remove_dev_symlink(struct cpufreq_policy *policy) unsigned int j; /* Some related CPUs might not be present (physically hotplugged) */ - for_each_cpu_and(j, policy->related_cpus, cpu_present_mask) { + for_each_cpu(j, policy->real_cpus) { if (j == policy->kobj_cpu) continue; @@ -1027,8 +984,7 @@ static void cpufreq_remove_dev_symlink(struct cpufreq_policy *policy) } } -static int cpufreq_add_dev_interface(struct cpufreq_policy *policy, - struct device *dev) +static int cpufreq_add_dev_interface(struct cpufreq_policy *policy) { struct freq_attr **drv_attr; int ret = 0; @@ -1060,11 +1016,10 @@ static int cpufreq_add_dev_interface(struct cpufreq_policy *policy, return cpufreq_add_dev_symlink(policy); } -static void cpufreq_init_policy(struct cpufreq_policy *policy) +static int cpufreq_init_policy(struct cpufreq_policy *policy) { struct cpufreq_governor *gov = NULL; struct cpufreq_policy new_policy; - int ret = 0; memcpy(&new_policy, policy, sizeof(*policy)); @@ -1083,16 +1038,10 @@ static void cpufreq_init_policy(struct cpufreq_policy *policy) cpufreq_parse_governor(gov->name, &new_policy.policy, NULL); /* set default policy */ - ret = cpufreq_set_policy(policy, &new_policy); - if (ret) { - pr_debug("setting policy failed\n"); - if (cpufreq_driver->exit) - cpufreq_driver->exit(policy); - } + return cpufreq_set_policy(policy, &new_policy); } -static int cpufreq_add_policy_cpu(struct cpufreq_policy *policy, - unsigned int cpu, struct device *dev) +static int cpufreq_add_policy_cpu(struct cpufreq_policy *policy, unsigned int cpu) { int ret = 0; @@ -1126,33 +1075,15 @@ static int cpufreq_add_policy_cpu(struct cpufreq_policy *policy, return 0; } -static struct cpufreq_policy *cpufreq_policy_restore(unsigned int cpu) -{ - struct cpufreq_policy *policy; - unsigned long flags; - - read_lock_irqsave(&cpufreq_driver_lock, flags); - policy = per_cpu(cpufreq_cpu_data, cpu); - read_unlock_irqrestore(&cpufreq_driver_lock, flags); - - if (likely(policy)) { - /* Policy should be inactive here */ - WARN_ON(!policy_is_inactive(policy)); - - down_write(&policy->rwsem); - policy->cpu = cpu; - policy->governor = NULL; - up_write(&policy->rwsem); - } - - return policy; -} - -static struct cpufreq_policy *cpufreq_policy_alloc(struct device *dev) +static struct cpufreq_policy *cpufreq_policy_alloc(unsigned int cpu) { + struct device *dev = get_cpu_device(cpu); struct cpufreq_policy *policy; int ret; + if (WARN_ON(!dev)) + return NULL; + policy = kzalloc(sizeof(*policy), GFP_KERNEL); if (!policy) return NULL; @@ -1163,11 +1094,14 @@ static struct cpufreq_policy *cpufreq_policy_alloc(struct device *dev) if (!zalloc_cpumask_var(&policy->related_cpus, GFP_KERNEL)) goto err_free_cpumask; + if (!zalloc_cpumask_var(&policy->real_cpus, GFP_KERNEL)) + goto err_free_rcpumask; + ret = kobject_init_and_add(&policy->kobj, &ktype_cpufreq, &dev->kobj, "cpufreq"); if (ret) { pr_err("%s: failed to init policy->kobj: %d\n", __func__, ret); - goto err_free_rcpumask; + goto err_free_real_cpus; } INIT_LIST_HEAD(&policy->policy_list); @@ -1177,13 +1111,15 @@ static struct cpufreq_policy *cpufreq_policy_alloc(struct device *dev) init_completion(&policy->kobj_unregister); INIT_WORK(&policy->update, handle_update); - policy->cpu = dev->id; + policy->cpu = cpu; /* Set this once on allocation */ - policy->kobj_cpu = dev->id; + policy->kobj_cpu = cpu; return policy; +err_free_real_cpus: + free_cpumask_var(policy->real_cpus); err_free_rcpumask: free_cpumask_var(policy->related_cpus); err_free_cpumask: @@ -1234,61 +1170,40 @@ static void cpufreq_policy_free(struct cpufreq_policy *policy, bool notify) write_unlock_irqrestore(&cpufreq_driver_lock, flags); cpufreq_policy_put_kobj(policy, notify); + free_cpumask_var(policy->real_cpus); free_cpumask_var(policy->related_cpus); free_cpumask_var(policy->cpus); kfree(policy); } -/** - * cpufreq_add_dev - add a CPU device - * - * Adds the cpufreq interface for a CPU device. - * - * The Oracle says: try running cpufreq registration/unregistration concurrently - * with with cpu hotplugging and all hell will break loose. Tried to clean this - * mess up, but more thorough testing is needed. - Mathieu - */ -static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) +static int cpufreq_online(unsigned int cpu) { - unsigned int j, cpu = dev->id; - int ret = -ENOMEM; struct cpufreq_policy *policy; + bool new_policy; unsigned long flags; - bool recover_policy = !sif; - - pr_debug("adding CPU %u\n", cpu); - - /* - * Only possible if 'cpu' wasn't physically present earlier and we are - * here from subsys_interface add callback. A hotplug notifier will - * follow and we will handle it like logical CPU hotplug then. For now, - * just create the sysfs link. - */ - if (cpu_is_offline(cpu)) - return add_cpu_dev_symlink(per_cpu(cpufreq_cpu_data, cpu), cpu); + unsigned int j; + int ret; - if (!down_read_trylock(&cpufreq_rwsem)) - return 0; + pr_debug("%s: bringing CPU%u online\n", __func__, cpu); /* Check if this CPU already has a policy to manage it */ policy = per_cpu(cpufreq_cpu_data, cpu); - if (policy && !policy_is_inactive(policy)) { + if (policy) { WARN_ON(!cpumask_test_cpu(cpu, policy->related_cpus)); - ret = cpufreq_add_policy_cpu(policy, cpu, dev); - up_read(&cpufreq_rwsem); - return ret; - } + if (!policy_is_inactive(policy)) + return cpufreq_add_policy_cpu(policy, cpu); - /* - * Restore the saved policy when doing light-weight init and fall back - * to the full init if that fails. - */ - policy = recover_policy ? cpufreq_policy_restore(cpu) : NULL; - if (!policy) { - recover_policy = false; - policy = cpufreq_policy_alloc(dev); + /* This is the only online CPU for the policy. Start over. */ + new_policy = false; + down_write(&policy->rwsem); + policy->cpu = cpu; + policy->governor = NULL; + up_write(&policy->rwsem); + } else { + new_policy = true; + policy = cpufreq_policy_alloc(cpu); if (!policy) - goto nomem_out; + return -ENOMEM; } cpumask_copy(policy->cpus, cpumask_of(cpu)); @@ -1299,13 +1214,17 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) ret = cpufreq_driver->init(policy); if (ret) { pr_debug("initialization failed\n"); - goto err_set_policy_cpu; + goto out_free_policy; } down_write(&policy->rwsem); - /* related cpus should atleast have policy->cpus */ - cpumask_or(policy->related_cpus, policy->related_cpus, policy->cpus); + if (new_policy) { + /* related_cpus should at least include policy->cpus. */ + cpumask_or(policy->related_cpus, policy->related_cpus, policy->cpus); + /* Remember CPUs present at the policy creation time. */ + cpumask_and(policy->real_cpus, policy->cpus, cpu_present_mask); + } /* * affected cpus must always be the one, which are online. We aren't @@ -1313,7 +1232,7 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) */ cpumask_and(policy->cpus, policy->cpus, cpu_online_mask); - if (!recover_policy) { + if (new_policy) { policy->user_policy.min = policy->min; policy->user_policy.max = policy->max; @@ -1327,7 +1246,7 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) policy->cur = cpufreq_driver->get(policy->cpu); if (!policy->cur) { pr_err("%s: ->get() failed\n", __func__); - goto err_get_freq; + goto out_exit_policy; } } @@ -1374,10 +1293,10 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) blocking_notifier_call_chain(&cpufreq_policy_notifier_list, CPUFREQ_START, policy); - if (!recover_policy) { - ret = cpufreq_add_dev_interface(policy, dev); + if (new_policy) { + ret = cpufreq_add_dev_interface(policy); if (ret) - goto err_out_unregister; + goto out_exit_policy; blocking_notifier_call_chain(&cpufreq_policy_notifier_list, CPUFREQ_CREATE_POLICY, policy); @@ -1386,18 +1305,19 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) write_unlock_irqrestore(&cpufreq_driver_lock, flags); } - cpufreq_init_policy(policy); - - if (!recover_policy) { - policy->user_policy.policy = policy->policy; - policy->user_policy.governor = policy->governor; + ret = cpufreq_init_policy(policy); + if (ret) { + pr_err("%s: Failed to initialize policy for cpu: %d (%d)\n", + __func__, cpu, ret); + /* cpufreq_policy_free() will notify based on this */ + new_policy = false; + goto out_exit_policy; } + up_write(&policy->rwsem); kobject_uevent(&policy->kobj, KOBJ_ADD); - up_read(&cpufreq_rwsem); - /* Callback for handling stuff after policy is ready */ if (cpufreq_driver->ready) cpufreq_driver->ready(policy); @@ -1406,25 +1326,47 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) return 0; -err_out_unregister: -err_get_freq: +out_exit_policy: up_write(&policy->rwsem); if (cpufreq_driver->exit) cpufreq_driver->exit(policy); -err_set_policy_cpu: - cpufreq_policy_free(policy, recover_policy); -nomem_out: - up_read(&cpufreq_rwsem); +out_free_policy: + cpufreq_policy_free(policy, !new_policy); + return ret; +} + +/** + * cpufreq_add_dev - the cpufreq interface for a CPU device. + * @dev: CPU device. + * @sif: Subsystem interface structure pointer (not used) + */ +static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) +{ + unsigned cpu = dev->id; + int ret; + + dev_dbg(dev, "%s: adding CPU%u\n", __func__, cpu); + + if (cpu_online(cpu)) { + ret = cpufreq_online(cpu); + } else { + /* + * A hotplug notifier will follow and we will handle it as CPU + * online then. For now, just create the sysfs link, unless + * there is no policy or the link is already present. + */ + struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu); + + ret = policy && !cpumask_test_and_set_cpu(cpu, policy->real_cpus) + ? add_cpu_dev_symlink(policy, cpu) : 0; + } return ret; } -static int __cpufreq_remove_dev_prepare(struct device *dev, - struct subsys_interface *sif) +static void cpufreq_offline_prepare(unsigned int cpu) { - unsigned int cpu = dev->id; - int ret = 0; struct cpufreq_policy *policy; pr_debug("%s: unregistering CPU %u\n", __func__, cpu); @@ -1432,15 +1374,13 @@ static int __cpufreq_remove_dev_prepare(struct device *dev, policy = cpufreq_cpu_get_raw(cpu); if (!policy) { pr_debug("%s: No cpu_data found\n", __func__); - return -EINVAL; + return; } if (has_target()) { - ret = __cpufreq_governor(policy, CPUFREQ_GOV_STOP); - if (ret) { + int ret = __cpufreq_governor(policy, CPUFREQ_GOV_STOP); + if (ret) pr_err("%s: Failed to stop governor\n", __func__); - return ret; - } } down_write(&policy->rwsem); @@ -1459,7 +1399,7 @@ static int __cpufreq_remove_dev_prepare(struct device *dev, /* Start governor again for active policy */ if (!policy_is_inactive(policy)) { if (has_target()) { - ret = __cpufreq_governor(policy, CPUFREQ_GOV_START); + int ret = __cpufreq_governor(policy, CPUFREQ_GOV_START); if (!ret) ret = __cpufreq_governor(policy, CPUFREQ_GOV_LIMITS); @@ -1469,33 +1409,26 @@ static int __cpufreq_remove_dev_prepare(struct device *dev, } else if (cpufreq_driver->stop_cpu) { cpufreq_driver->stop_cpu(policy); } - - return ret; } -static int __cpufreq_remove_dev_finish(struct device *dev, - struct subsys_interface *sif) +static void cpufreq_offline_finish(unsigned int cpu) { - unsigned int cpu = dev->id; - int ret; struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu); if (!policy) { pr_debug("%s: No cpu_data found\n", __func__); - return -EINVAL; + return; } /* Only proceed for inactive policies */ if (!policy_is_inactive(policy)) - return 0; + return; /* If cpu is last user of policy, free policy */ if (has_target()) { - ret = __cpufreq_governor(policy, CPUFREQ_GOV_POLICY_EXIT); - if (ret) { + int ret = __cpufreq_governor(policy, CPUFREQ_GOV_POLICY_EXIT); + if (ret) pr_err("%s: Failed to exit governor\n", __func__); - return ret; - } } /* @@ -1505,12 +1438,6 @@ static int __cpufreq_remove_dev_finish(struct device *dev, */ if (cpufreq_driver->exit) cpufreq_driver->exit(policy); - - /* Free the policy only if the driver is getting removed. */ - if (sif) - cpufreq_policy_free(policy, true); - - return 0; } /** @@ -1521,42 +1448,41 @@ static int __cpufreq_remove_dev_finish(struct device *dev, static int cpufreq_remove_dev(struct device *dev, struct subsys_interface *sif) { unsigned int cpu = dev->id; - int ret; - - /* - * Only possible if 'cpu' is getting physically removed now. A hotplug - * notifier should have already been called and we just need to remove - * link or free policy here. - */ - if (cpu_is_offline(cpu)) { - struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu); - struct cpumask mask; + struct cpufreq_policy *policy = per_cpu(cpufreq_cpu_data, cpu); - if (!policy) - return 0; + if (!policy) + return 0; - cpumask_copy(&mask, policy->related_cpus); - cpumask_clear_cpu(cpu, &mask); + if (cpu_online(cpu)) { + cpufreq_offline_prepare(cpu); + cpufreq_offline_finish(cpu); + } - /* - * Free policy only if all policy->related_cpus are removed - * physically. - */ - if (cpumask_intersects(&mask, cpu_present_mask)) { - remove_cpu_dev_symlink(policy, cpu); - return 0; - } + cpumask_clear_cpu(cpu, policy->real_cpus); + if (cpumask_empty(policy->real_cpus)) { cpufreq_policy_free(policy, true); return 0; } - ret = __cpufreq_remove_dev_prepare(dev, sif); + if (cpu != policy->kobj_cpu) { + remove_cpu_dev_symlink(policy, cpu); + } else { + /* + * The CPU owning the policy object is going away. Move it to + * another suitable CPU. + */ + unsigned int new_cpu = cpumask_first(policy->real_cpus); + struct device *new_dev = get_cpu_device(new_cpu); - if (!ret) - ret = __cpufreq_remove_dev_finish(dev, sif); + dev_dbg(dev, "%s: Moving policy object to CPU%u\n", __func__, new_cpu); - return ret; + sysfs_remove_link(&new_dev->kobj, "cpufreq"); + policy->kobj_cpu = new_cpu; + WARN_ON(kobject_move(&policy->kobj, &new_dev->kobj)); + } + + return 0; } static void handle_update(struct work_struct *work) @@ -2245,7 +2171,11 @@ static int cpufreq_set_policy(struct cpufreq_policy *policy, memcpy(&new_policy->cpuinfo, &policy->cpuinfo, sizeof(policy->cpuinfo)); - if (new_policy->min > policy->max || new_policy->max < policy->min) + /* + * This check works well when we store new min/max freq attributes, + * because new_policy is a copy of policy with one field updated. + */ + if (new_policy->min > new_policy->max) return -EINVAL; /* verify the cpu speed can be set within this limit */ @@ -2257,10 +2187,6 @@ static int cpufreq_set_policy(struct cpufreq_policy *policy, blocking_notifier_call_chain(&cpufreq_policy_notifier_list, CPUFREQ_ADJUST, new_policy); - /* adjust if necessary - hardware incompatibility*/ - blocking_notifier_call_chain(&cpufreq_policy_notifier_list, - CPUFREQ_INCOMPATIBLE, new_policy); - /* * verify the cpu speed can be set within this limit, which might be * different to the first one @@ -2294,16 +2220,31 @@ static int cpufreq_set_policy(struct cpufreq_policy *policy, old_gov = policy->governor; /* end old governor */ if (old_gov) { - __cpufreq_governor(policy, CPUFREQ_GOV_STOP); + ret = __cpufreq_governor(policy, CPUFREQ_GOV_STOP); + if (ret) { + /* This can happen due to race with other operations */ + pr_debug("%s: Failed to Stop Governor: %s (%d)\n", + __func__, old_gov->name, ret); + return ret; + } + up_write(&policy->rwsem); - __cpufreq_governor(policy, CPUFREQ_GOV_POLICY_EXIT); + ret = __cpufreq_governor(policy, CPUFREQ_GOV_POLICY_EXIT); down_write(&policy->rwsem); + + if (ret) { + pr_err("%s: Failed to Exit Governor: %s (%d)\n", + __func__, old_gov->name, ret); + return ret; + } } /* start new governor */ policy->governor = new_policy->governor; - if (!__cpufreq_governor(policy, CPUFREQ_GOV_POLICY_INIT)) { - if (!__cpufreq_governor(policy, CPUFREQ_GOV_START)) + ret = __cpufreq_governor(policy, CPUFREQ_GOV_POLICY_INIT); + if (!ret) { + ret = __cpufreq_governor(policy, CPUFREQ_GOV_START); + if (!ret) goto out; up_write(&policy->rwsem); @@ -2315,11 +2256,13 @@ static int cpufreq_set_policy(struct cpufreq_policy *policy, pr_debug("starting governor %s failed\n", policy->governor->name); if (old_gov) { policy->governor = old_gov; - __cpufreq_governor(policy, CPUFREQ_GOV_POLICY_INIT); - __cpufreq_governor(policy, CPUFREQ_GOV_START); + if (__cpufreq_governor(policy, CPUFREQ_GOV_POLICY_INIT)) + policy->governor = NULL; + else + __cpufreq_governor(policy, CPUFREQ_GOV_START); } - return -EINVAL; + return ret; out: pr_debug("governor: change or update limits\n"); @@ -2348,8 +2291,6 @@ int cpufreq_update_policy(unsigned int cpu) memcpy(&new_policy, policy, sizeof(*policy)); new_policy.min = policy->user_policy.min; new_policy.max = policy->user_policy.max; - new_policy.policy = policy->user_policy.policy; - new_policy.governor = policy->user_policy.governor; /* * BIOS might change freq behind our back @@ -2385,27 +2326,23 @@ static int cpufreq_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) { unsigned int cpu = (unsigned long)hcpu; - struct device *dev; - dev = get_cpu_device(cpu); - if (dev) { - switch (action & ~CPU_TASKS_FROZEN) { - case CPU_ONLINE: - cpufreq_add_dev(dev, NULL); - break; + switch (action & ~CPU_TASKS_FROZEN) { + case CPU_ONLINE: + cpufreq_online(cpu); + break; - case CPU_DOWN_PREPARE: - __cpufreq_remove_dev_prepare(dev, NULL); - break; + case CPU_DOWN_PREPARE: + cpufreq_offline_prepare(cpu); + break; - case CPU_POST_DEAD: - __cpufreq_remove_dev_finish(dev, NULL); - break; + case CPU_POST_DEAD: + cpufreq_offline_finish(cpu); + break; - case CPU_DOWN_FAILED: - cpufreq_add_dev(dev, NULL); - break; - } + case CPU_DOWN_FAILED: + cpufreq_online(cpu); + break; } return NOTIFY_OK; } @@ -2475,6 +2412,49 @@ int cpufreq_boost_supported(void) } EXPORT_SYMBOL_GPL(cpufreq_boost_supported); +static int create_boost_sysfs_file(void) +{ + int ret; + + if (!cpufreq_boost_supported()) + return 0; + + /* + * Check if driver provides function to enable boost - + * if not, use cpufreq_boost_set_sw as default + */ + if (!cpufreq_driver->set_boost) + cpufreq_driver->set_boost = cpufreq_boost_set_sw; + + ret = cpufreq_sysfs_create_file(&boost.attr); + if (ret) + pr_err("%s: cannot register global BOOST sysfs file\n", + __func__); + + return ret; +} + +static void remove_boost_sysfs_file(void) +{ + if (cpufreq_boost_supported()) + cpufreq_sysfs_remove_file(&boost.attr); +} + +int cpufreq_enable_boost_support(void) +{ + if (!cpufreq_driver) + return -EINVAL; + + if (cpufreq_boost_supported()) + return 0; + + cpufreq_driver->boost_supported = true; + + /* This will get removed on driver unregister */ + return create_boost_sysfs_file(); +} +EXPORT_SYMBOL_GPL(cpufreq_enable_boost_support); + int cpufreq_boost_enabled(void) { return cpufreq_driver->boost_enabled; @@ -2513,10 +2493,14 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) pr_debug("trying to register driver %s\n", driver_data->name); + /* Protect against concurrent CPU online/offline. */ + get_online_cpus(); + write_lock_irqsave(&cpufreq_driver_lock, flags); if (cpufreq_driver) { write_unlock_irqrestore(&cpufreq_driver_lock, flags); - return -EEXIST; + ret = -EEXIST; + goto out; } cpufreq_driver = driver_data; write_unlock_irqrestore(&cpufreq_driver_lock, flags); @@ -2524,21 +2508,9 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) if (driver_data->setpolicy) driver_data->flags |= CPUFREQ_CONST_LOOPS; - if (cpufreq_boost_supported()) { - /* - * Check if driver provides function to enable boost - - * if not, use cpufreq_boost_set_sw as default - */ - if (!cpufreq_driver->set_boost) - cpufreq_driver->set_boost = cpufreq_boost_set_sw; - - ret = cpufreq_sysfs_create_file(&boost.attr); - if (ret) { - pr_err("%s: cannot register global BOOST sysfs file\n", - __func__); - goto err_null_driver; - } - } + ret = create_boost_sysfs_file(); + if (ret) + goto err_null_driver; ret = subsys_interface_register(&cpufreq_interface); if (ret) @@ -2555,17 +2527,19 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) register_hotcpu_notifier(&cpufreq_cpu_notifier); pr_debug("driver %s up and running\n", driver_data->name); - return 0; +out: + put_online_cpus(); + return ret; + err_if_unreg: subsys_interface_unregister(&cpufreq_interface); err_boost_unreg: - if (cpufreq_boost_supported()) - cpufreq_sysfs_remove_file(&boost.attr); + remove_boost_sysfs_file(); err_null_driver: write_lock_irqsave(&cpufreq_driver_lock, flags); cpufreq_driver = NULL; write_unlock_irqrestore(&cpufreq_driver_lock, flags); - return ret; + goto out; } EXPORT_SYMBOL_GPL(cpufreq_register_driver); @@ -2586,19 +2560,18 @@ int cpufreq_unregister_driver(struct cpufreq_driver *driver) pr_debug("unregistering driver %s\n", driver->name); + /* Protect against concurrent cpu hotplug */ + get_online_cpus(); subsys_interface_unregister(&cpufreq_interface); - if (cpufreq_boost_supported()) - cpufreq_sysfs_remove_file(&boost.attr); - + remove_boost_sysfs_file(); unregister_hotcpu_notifier(&cpufreq_cpu_notifier); - down_write(&cpufreq_rwsem); write_lock_irqsave(&cpufreq_driver_lock, flags); cpufreq_driver = NULL; write_unlock_irqrestore(&cpufreq_driver_lock, flags); - up_write(&cpufreq_rwsem); + put_online_cpus(); return 0; } diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index c86a10c30912..84a1506950a7 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -47,7 +47,7 @@ static inline unsigned int get_freq_target(struct cs_dbs_tuners *cs_tuners, static void cs_check_cpu(int cpu, unsigned int load) { struct cs_cpu_dbs_info_s *dbs_info = &per_cpu(cs_cpu_dbs_info, cpu); - struct cpufreq_policy *policy = dbs_info->cdbs.cur_policy; + struct cpufreq_policy *policy = dbs_info->cdbs.shared->policy; struct dbs_data *dbs_data = policy->governor_data; struct cs_dbs_tuners *cs_tuners = dbs_data->tuners; @@ -102,26 +102,15 @@ static void cs_check_cpu(int cpu, unsigned int load) } } -static void cs_dbs_timer(struct work_struct *work) +static unsigned int cs_dbs_timer(struct cpu_dbs_info *cdbs, + struct dbs_data *dbs_data, bool modify_all) { - struct cs_cpu_dbs_info_s *dbs_info = container_of(work, - struct cs_cpu_dbs_info_s, cdbs.work.work); - unsigned int cpu = dbs_info->cdbs.cur_policy->cpu; - struct cs_cpu_dbs_info_s *core_dbs_info = &per_cpu(cs_cpu_dbs_info, - cpu); - struct dbs_data *dbs_data = dbs_info->cdbs.cur_policy->governor_data; struct cs_dbs_tuners *cs_tuners = dbs_data->tuners; - int delay = delay_for_sampling_rate(cs_tuners->sampling_rate); - bool modify_all = true; - mutex_lock(&core_dbs_info->cdbs.timer_mutex); - if (!need_load_eval(&core_dbs_info->cdbs, cs_tuners->sampling_rate)) - modify_all = false; - else - dbs_check_cpu(dbs_data, cpu); + if (modify_all) + dbs_check_cpu(dbs_data, cdbs->shared->policy->cpu); - gov_queue_work(dbs_data, dbs_info->cdbs.cur_policy, delay, modify_all); - mutex_unlock(&core_dbs_info->cdbs.timer_mutex); + return delay_for_sampling_rate(cs_tuners->sampling_rate); } static int dbs_cpufreq_notifier(struct notifier_block *nb, unsigned long val, @@ -135,7 +124,7 @@ static int dbs_cpufreq_notifier(struct notifier_block *nb, unsigned long val, if (!dbs_info->enable) return 0; - policy = dbs_info->cdbs.cur_policy; + policy = dbs_info->cdbs.shared->policy; /* * we only care if our internally tracked freq moves outside the 'valid' diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index 57a39f8a92b7..939197ffa4ac 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -32,10 +32,10 @@ static struct attribute_group *get_sysfs_attr(struct dbs_data *dbs_data) void dbs_check_cpu(struct dbs_data *dbs_data, int cpu) { - struct cpu_dbs_common_info *cdbs = dbs_data->cdata->get_cpu_cdbs(cpu); + struct cpu_dbs_info *cdbs = dbs_data->cdata->get_cpu_cdbs(cpu); struct od_dbs_tuners *od_tuners = dbs_data->tuners; struct cs_dbs_tuners *cs_tuners = dbs_data->tuners; - struct cpufreq_policy *policy; + struct cpufreq_policy *policy = cdbs->shared->policy; unsigned int sampling_rate; unsigned int max_load = 0; unsigned int ignore_nice; @@ -60,11 +60,9 @@ void dbs_check_cpu(struct dbs_data *dbs_data, int cpu) ignore_nice = cs_tuners->ignore_nice_load; } - policy = cdbs->cur_policy; - /* Get Absolute Load */ for_each_cpu(j, policy->cpus) { - struct cpu_dbs_common_info *j_cdbs; + struct cpu_dbs_info *j_cdbs; u64 cur_wall_time, cur_idle_time; unsigned int idle_time, wall_time; unsigned int load; @@ -163,9 +161,9 @@ EXPORT_SYMBOL_GPL(dbs_check_cpu); static inline void __gov_queue_work(int cpu, struct dbs_data *dbs_data, unsigned int delay) { - struct cpu_dbs_common_info *cdbs = dbs_data->cdata->get_cpu_cdbs(cpu); + struct cpu_dbs_info *cdbs = dbs_data->cdata->get_cpu_cdbs(cpu); - mod_delayed_work_on(cpu, system_wq, &cdbs->work, delay); + mod_delayed_work_on(cpu, system_wq, &cdbs->dwork, delay); } void gov_queue_work(struct dbs_data *dbs_data, struct cpufreq_policy *policy, @@ -199,33 +197,63 @@ EXPORT_SYMBOL_GPL(gov_queue_work); static inline void gov_cancel_work(struct dbs_data *dbs_data, struct cpufreq_policy *policy) { - struct cpu_dbs_common_info *cdbs; + struct cpu_dbs_info *cdbs; int i; for_each_cpu(i, policy->cpus) { cdbs = dbs_data->cdata->get_cpu_cdbs(i); - cancel_delayed_work_sync(&cdbs->work); + cancel_delayed_work_sync(&cdbs->dwork); } } /* Will return if we need to evaluate cpu load again or not */ -bool need_load_eval(struct cpu_dbs_common_info *cdbs, - unsigned int sampling_rate) +static bool need_load_eval(struct cpu_common_dbs_info *shared, + unsigned int sampling_rate) { - if (policy_is_shared(cdbs->cur_policy)) { + if (policy_is_shared(shared->policy)) { ktime_t time_now = ktime_get(); - s64 delta_us = ktime_us_delta(time_now, cdbs->time_stamp); + s64 delta_us = ktime_us_delta(time_now, shared->time_stamp); /* Do nothing if we recently have sampled */ if (delta_us < (s64)(sampling_rate / 2)) return false; else - cdbs->time_stamp = time_now; + shared->time_stamp = time_now; } return true; } -EXPORT_SYMBOL_GPL(need_load_eval); + +static void dbs_timer(struct work_struct *work) +{ + struct cpu_dbs_info *cdbs = container_of(work, struct cpu_dbs_info, + dwork.work); + struct cpu_common_dbs_info *shared = cdbs->shared; + struct cpufreq_policy *policy = shared->policy; + struct dbs_data *dbs_data = policy->governor_data; + unsigned int sampling_rate, delay; + bool modify_all = true; + + mutex_lock(&shared->timer_mutex); + + if (dbs_data->cdata->governor == GOV_CONSERVATIVE) { + struct cs_dbs_tuners *cs_tuners = dbs_data->tuners; + + sampling_rate = cs_tuners->sampling_rate; + } else { + struct od_dbs_tuners *od_tuners = dbs_data->tuners; + + sampling_rate = od_tuners->sampling_rate; + } + + if (!need_load_eval(cdbs->shared, sampling_rate)) + modify_all = false; + + delay = dbs_data->cdata->gov_dbs_timer(cdbs, dbs_data, modify_all); + gov_queue_work(dbs_data, policy, delay, modify_all); + + mutex_unlock(&shared->timer_mutex); +} static void set_sampling_rate(struct dbs_data *dbs_data, unsigned int sampling_rate) @@ -239,6 +267,37 @@ static void set_sampling_rate(struct dbs_data *dbs_data, } } +static int alloc_common_dbs_info(struct cpufreq_policy *policy, + struct common_dbs_data *cdata) +{ + struct cpu_common_dbs_info *shared; + int j; + + /* Allocate memory for the common information for policy->cpus */ + shared = kzalloc(sizeof(*shared), GFP_KERNEL); + if (!shared) + return -ENOMEM; + + /* Set shared for all CPUs, online+offline */ + for_each_cpu(j, policy->related_cpus) + cdata->get_cpu_cdbs(j)->shared = shared; + + return 0; +} + +static void free_common_dbs_info(struct cpufreq_policy *policy, + struct common_dbs_data *cdata) +{ + struct cpu_dbs_info *cdbs = cdata->get_cpu_cdbs(policy->cpu); + struct cpu_common_dbs_info *shared = cdbs->shared; + int j; + + for_each_cpu(j, policy->cpus) + cdata->get_cpu_cdbs(j)->shared = NULL; + + kfree(shared); +} + static int cpufreq_governor_init(struct cpufreq_policy *policy, struct dbs_data *dbs_data, struct common_dbs_data *cdata) @@ -246,9 +305,18 @@ static int cpufreq_governor_init(struct cpufreq_policy *policy, unsigned int latency; int ret; + /* State should be equivalent to EXIT */ + if (policy->governor_data) + return -EBUSY; + if (dbs_data) { if (WARN_ON(have_governor_per_policy())) return -EINVAL; + + ret = alloc_common_dbs_info(policy, cdata); + if (ret) + return ret; + dbs_data->usage_count++; policy->governor_data = dbs_data; return 0; @@ -258,12 +326,16 @@ static int cpufreq_governor_init(struct cpufreq_policy *policy, if (!dbs_data) return -ENOMEM; + ret = alloc_common_dbs_info(policy, cdata); + if (ret) + goto free_dbs_data; + dbs_data->cdata = cdata; dbs_data->usage_count = 1; ret = cdata->init(dbs_data, !policy->governor->initialized); if (ret) - goto free_dbs_data; + goto free_common_dbs_info; /* policy latency is in ns. Convert it to us first */ latency = policy->cpuinfo.transition_latency / 1000; @@ -300,15 +372,22 @@ put_kobj: } cdata_exit: cdata->exit(dbs_data, !policy->governor->initialized); +free_common_dbs_info: + free_common_dbs_info(policy, cdata); free_dbs_data: kfree(dbs_data); return ret; } -static void cpufreq_governor_exit(struct cpufreq_policy *policy, - struct dbs_data *dbs_data) +static int cpufreq_governor_exit(struct cpufreq_policy *policy, + struct dbs_data *dbs_data) { struct common_dbs_data *cdata = dbs_data->cdata; + struct cpu_dbs_info *cdbs = cdata->get_cpu_cdbs(policy->cpu); + + /* State should be equivalent to INIT */ + if (!cdbs->shared || cdbs->shared->policy) + return -EBUSY; policy->governor_data = NULL; if (!--dbs_data->usage_count) { @@ -323,6 +402,9 @@ static void cpufreq_governor_exit(struct cpufreq_policy *policy, cdata->exit(dbs_data, policy->governor->initialized == 1); kfree(dbs_data); } + + free_common_dbs_info(policy, cdata); + return 0; } static int cpufreq_governor_start(struct cpufreq_policy *policy, @@ -330,12 +412,17 @@ static int cpufreq_governor_start(struct cpufreq_policy *policy, { struct common_dbs_data *cdata = dbs_data->cdata; unsigned int sampling_rate, ignore_nice, j, cpu = policy->cpu; - struct cpu_dbs_common_info *cpu_cdbs = cdata->get_cpu_cdbs(cpu); + struct cpu_dbs_info *cdbs = cdata->get_cpu_cdbs(cpu); + struct cpu_common_dbs_info *shared = cdbs->shared; int io_busy = 0; if (!policy->cur) return -EINVAL; + /* State should be equivalent to INIT */ + if (!shared || shared->policy) + return -EBUSY; + if (cdata->governor == GOV_CONSERVATIVE) { struct cs_dbs_tuners *cs_tuners = dbs_data->tuners; @@ -349,12 +436,14 @@ static int cpufreq_governor_start(struct cpufreq_policy *policy, io_busy = od_tuners->io_is_busy; } + shared->policy = policy; + shared->time_stamp = ktime_get(); + mutex_init(&shared->timer_mutex); + for_each_cpu(j, policy->cpus) { - struct cpu_dbs_common_info *j_cdbs = cdata->get_cpu_cdbs(j); + struct cpu_dbs_info *j_cdbs = cdata->get_cpu_cdbs(j); unsigned int prev_load; - j_cdbs->cpu = j; - j_cdbs->cur_policy = policy; j_cdbs->prev_cpu_idle = get_cpu_idle_time(j, &j_cdbs->prev_cpu_wall, io_busy); @@ -366,8 +455,7 @@ static int cpufreq_governor_start(struct cpufreq_policy *policy, if (ignore_nice) j_cdbs->prev_cpu_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE]; - mutex_init(&j_cdbs->timer_mutex); - INIT_DEFERRABLE_WORK(&j_cdbs->work, cdata->gov_dbs_timer); + INIT_DEFERRABLE_WORK(&j_cdbs->dwork, dbs_timer); } if (cdata->governor == GOV_CONSERVATIVE) { @@ -386,20 +474,24 @@ static int cpufreq_governor_start(struct cpufreq_policy *policy, od_ops->powersave_bias_init_cpu(cpu); } - /* Initiate timer time stamp */ - cpu_cdbs->time_stamp = ktime_get(); - gov_queue_work(dbs_data, policy, delay_for_sampling_rate(sampling_rate), true); return 0; } -static void cpufreq_governor_stop(struct cpufreq_policy *policy, - struct dbs_data *dbs_data) +static int cpufreq_governor_stop(struct cpufreq_policy *policy, + struct dbs_data *dbs_data) { struct common_dbs_data *cdata = dbs_data->cdata; unsigned int cpu = policy->cpu; - struct cpu_dbs_common_info *cpu_cdbs = cdata->get_cpu_cdbs(cpu); + struct cpu_dbs_info *cdbs = cdata->get_cpu_cdbs(cpu); + struct cpu_common_dbs_info *shared = cdbs->shared; + + /* State should be equivalent to START */ + if (!shared || !shared->policy) + return -EBUSY; + + gov_cancel_work(dbs_data, policy); if (cdata->governor == GOV_CONSERVATIVE) { struct cs_cpu_dbs_info_s *cs_dbs_info = @@ -408,38 +500,40 @@ static void cpufreq_governor_stop(struct cpufreq_policy *policy, cs_dbs_info->enable = 0; } - gov_cancel_work(dbs_data, policy); - - mutex_destroy(&cpu_cdbs->timer_mutex); - cpu_cdbs->cur_policy = NULL; + shared->policy = NULL; + mutex_destroy(&shared->timer_mutex); + return 0; } -static void cpufreq_governor_limits(struct cpufreq_policy *policy, - struct dbs_data *dbs_data) +static int cpufreq_governor_limits(struct cpufreq_policy *policy, + struct dbs_data *dbs_data) { struct common_dbs_data *cdata = dbs_data->cdata; unsigned int cpu = policy->cpu; - struct cpu_dbs_common_info *cpu_cdbs = cdata->get_cpu_cdbs(cpu); + struct cpu_dbs_info *cdbs = cdata->get_cpu_cdbs(cpu); - if (!cpu_cdbs->cur_policy) - return; + /* State should be equivalent to START */ + if (!cdbs->shared || !cdbs->shared->policy) + return -EBUSY; - mutex_lock(&cpu_cdbs->timer_mutex); - if (policy->max < cpu_cdbs->cur_policy->cur) - __cpufreq_driver_target(cpu_cdbs->cur_policy, policy->max, + mutex_lock(&cdbs->shared->timer_mutex); + if (policy->max < cdbs->shared->policy->cur) + __cpufreq_driver_target(cdbs->shared->policy, policy->max, CPUFREQ_RELATION_H); - else if (policy->min > cpu_cdbs->cur_policy->cur) - __cpufreq_driver_target(cpu_cdbs->cur_policy, policy->min, + else if (policy->min > cdbs->shared->policy->cur) + __cpufreq_driver_target(cdbs->shared->policy, policy->min, CPUFREQ_RELATION_L); dbs_check_cpu(dbs_data, cpu); - mutex_unlock(&cpu_cdbs->timer_mutex); + mutex_unlock(&cdbs->shared->timer_mutex); + + return 0; } int cpufreq_governor_dbs(struct cpufreq_policy *policy, struct common_dbs_data *cdata, unsigned int event) { struct dbs_data *dbs_data; - int ret = 0; + int ret; /* Lock governor to block concurrent initialization of governor */ mutex_lock(&cdata->mutex); @@ -449,7 +543,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, else dbs_data = cdata->gdbs_data; - if (WARN_ON(!dbs_data && (event != CPUFREQ_GOV_POLICY_INIT))) { + if (!dbs_data && (event != CPUFREQ_GOV_POLICY_INIT)) { ret = -EINVAL; goto unlock; } @@ -459,17 +553,19 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, ret = cpufreq_governor_init(policy, dbs_data, cdata); break; case CPUFREQ_GOV_POLICY_EXIT: - cpufreq_governor_exit(policy, dbs_data); + ret = cpufreq_governor_exit(policy, dbs_data); break; case CPUFREQ_GOV_START: ret = cpufreq_governor_start(policy, dbs_data); break; case CPUFREQ_GOV_STOP: - cpufreq_governor_stop(policy, dbs_data); + ret = cpufreq_governor_stop(policy, dbs_data); break; case CPUFREQ_GOV_LIMITS: - cpufreq_governor_limits(policy, dbs_data); + ret = cpufreq_governor_limits(policy, dbs_data); break; + default: + ret = -EINVAL; } unlock: diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h index 34736f5e869d..50f171796632 100644 --- a/drivers/cpufreq/cpufreq_governor.h +++ b/drivers/cpufreq/cpufreq_governor.h @@ -109,7 +109,7 @@ store_one(_gov, file_name) /* create helper routines */ #define define_get_cpu_dbs_routines(_dbs_info) \ -static struct cpu_dbs_common_info *get_cpu_cdbs(int cpu) \ +static struct cpu_dbs_info *get_cpu_cdbs(int cpu) \ { \ return &per_cpu(_dbs_info, cpu).cdbs; \ } \ @@ -128,9 +128,20 @@ static void *get_cpu_dbs_info_s(int cpu) \ * cs_*: Conservative governor */ +/* Common to all CPUs of a policy */ +struct cpu_common_dbs_info { + struct cpufreq_policy *policy; + /* + * percpu mutex that serializes governor limit change with dbs_timer + * invocation. We do not want dbs_timer to run when user is changing + * the governor or limits. + */ + struct mutex timer_mutex; + ktime_t time_stamp; +}; + /* Per cpu structures */ -struct cpu_dbs_common_info { - int cpu; +struct cpu_dbs_info { u64 prev_cpu_idle; u64 prev_cpu_wall; u64 prev_cpu_nice; @@ -141,19 +152,12 @@ struct cpu_dbs_common_info { * wake-up from idle. */ unsigned int prev_load; - struct cpufreq_policy *cur_policy; - struct delayed_work work; - /* - * percpu mutex that serializes governor limit change with gov_dbs_timer - * invocation. We do not want gov_dbs_timer to run when user is changing - * the governor or limits. - */ - struct mutex timer_mutex; - ktime_t time_stamp; + struct delayed_work dwork; + struct cpu_common_dbs_info *shared; }; struct od_cpu_dbs_info_s { - struct cpu_dbs_common_info cdbs; + struct cpu_dbs_info cdbs; struct cpufreq_frequency_table *freq_table; unsigned int freq_lo; unsigned int freq_lo_jiffies; @@ -163,7 +167,7 @@ struct od_cpu_dbs_info_s { }; struct cs_cpu_dbs_info_s { - struct cpu_dbs_common_info cdbs; + struct cpu_dbs_info cdbs; unsigned int down_skip; unsigned int requested_freq; unsigned int enable:1; @@ -204,9 +208,11 @@ struct common_dbs_data { */ struct dbs_data *gdbs_data; - struct cpu_dbs_common_info *(*get_cpu_cdbs)(int cpu); + struct cpu_dbs_info *(*get_cpu_cdbs)(int cpu); void *(*get_cpu_dbs_info_s)(int cpu); - void (*gov_dbs_timer)(struct work_struct *work); + unsigned int (*gov_dbs_timer)(struct cpu_dbs_info *cdbs, + struct dbs_data *dbs_data, + bool modify_all); void (*gov_check_cpu)(int cpu, unsigned int load); int (*init)(struct dbs_data *dbs_data, bool notify); void (*exit)(struct dbs_data *dbs_data, bool notify); @@ -265,8 +271,6 @@ static ssize_t show_sampling_rate_min_gov_pol \ extern struct mutex cpufreq_governor_lock; void dbs_check_cpu(struct dbs_data *dbs_data, int cpu); -bool need_load_eval(struct cpu_dbs_common_info *cdbs, - unsigned int sampling_rate); int cpufreq_governor_dbs(struct cpufreq_policy *policy, struct common_dbs_data *cdata, unsigned int event); void gov_queue_work(struct dbs_data *dbs_data, struct cpufreq_policy *policy, diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 3c1e10f2304c..1fa9088c84a8 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -155,7 +155,7 @@ static void dbs_freq_increase(struct cpufreq_policy *policy, unsigned int freq) static void od_check_cpu(int cpu, unsigned int load) { struct od_cpu_dbs_info_s *dbs_info = &per_cpu(od_cpu_dbs_info, cpu); - struct cpufreq_policy *policy = dbs_info->cdbs.cur_policy; + struct cpufreq_policy *policy = dbs_info->cdbs.shared->policy; struct dbs_data *dbs_data = policy->governor_data; struct od_dbs_tuners *od_tuners = dbs_data->tuners; @@ -191,46 +191,40 @@ static void od_check_cpu(int cpu, unsigned int load) } } -static void od_dbs_timer(struct work_struct *work) +static unsigned int od_dbs_timer(struct cpu_dbs_info *cdbs, + struct dbs_data *dbs_data, bool modify_all) { - struct od_cpu_dbs_info_s *dbs_info = - container_of(work, struct od_cpu_dbs_info_s, cdbs.work.work); - unsigned int cpu = dbs_info->cdbs.cur_policy->cpu; - struct od_cpu_dbs_info_s *core_dbs_info = &per_cpu(od_cpu_dbs_info, + struct cpufreq_policy *policy = cdbs->shared->policy; + unsigned int cpu = policy->cpu; + struct od_cpu_dbs_info_s *dbs_info = &per_cpu(od_cpu_dbs_info, cpu); - struct dbs_data *dbs_data = dbs_info->cdbs.cur_policy->governor_data; struct od_dbs_tuners *od_tuners = dbs_data->tuners; - int delay = 0, sample_type = core_dbs_info->sample_type; - bool modify_all = true; + int delay = 0, sample_type = dbs_info->sample_type; - mutex_lock(&core_dbs_info->cdbs.timer_mutex); - if (!need_load_eval(&core_dbs_info->cdbs, od_tuners->sampling_rate)) { - modify_all = false; + if (!modify_all) goto max_delay; - } /* Common NORMAL_SAMPLE setup */ - core_dbs_info->sample_type = OD_NORMAL_SAMPLE; + dbs_info->sample_type = OD_NORMAL_SAMPLE; if (sample_type == OD_SUB_SAMPLE) { - delay = core_dbs_info->freq_lo_jiffies; - __cpufreq_driver_target(core_dbs_info->cdbs.cur_policy, - core_dbs_info->freq_lo, CPUFREQ_RELATION_H); + delay = dbs_info->freq_lo_jiffies; + __cpufreq_driver_target(policy, dbs_info->freq_lo, + CPUFREQ_RELATION_H); } else { dbs_check_cpu(dbs_data, cpu); - if (core_dbs_info->freq_lo) { + if (dbs_info->freq_lo) { /* Setup timer for SUB_SAMPLE */ - core_dbs_info->sample_type = OD_SUB_SAMPLE; - delay = core_dbs_info->freq_hi_jiffies; + dbs_info->sample_type = OD_SUB_SAMPLE; + delay = dbs_info->freq_hi_jiffies; } } max_delay: if (!delay) delay = delay_for_sampling_rate(od_tuners->sampling_rate - * core_dbs_info->rate_mult); + * dbs_info->rate_mult); - gov_queue_work(dbs_data, dbs_info->cdbs.cur_policy, delay, modify_all); - mutex_unlock(&core_dbs_info->cdbs.timer_mutex); + return delay; } /************************** sysfs interface ************************/ @@ -273,27 +267,27 @@ static void update_sampling_rate(struct dbs_data *dbs_data, dbs_info = &per_cpu(od_cpu_dbs_info, cpu); cpufreq_cpu_put(policy); - mutex_lock(&dbs_info->cdbs.timer_mutex); + mutex_lock(&dbs_info->cdbs.shared->timer_mutex); - if (!delayed_work_pending(&dbs_info->cdbs.work)) { - mutex_unlock(&dbs_info->cdbs.timer_mutex); + if (!delayed_work_pending(&dbs_info->cdbs.dwork)) { + mutex_unlock(&dbs_info->cdbs.shared->timer_mutex); continue; } next_sampling = jiffies + usecs_to_jiffies(new_rate); - appointed_at = dbs_info->cdbs.work.timer.expires; + appointed_at = dbs_info->cdbs.dwork.timer.expires; if (time_before(next_sampling, appointed_at)) { - mutex_unlock(&dbs_info->cdbs.timer_mutex); - cancel_delayed_work_sync(&dbs_info->cdbs.work); - mutex_lock(&dbs_info->cdbs.timer_mutex); + mutex_unlock(&dbs_info->cdbs.shared->timer_mutex); + cancel_delayed_work_sync(&dbs_info->cdbs.dwork); + mutex_lock(&dbs_info->cdbs.shared->timer_mutex); - gov_queue_work(dbs_data, dbs_info->cdbs.cur_policy, - usecs_to_jiffies(new_rate), true); + gov_queue_work(dbs_data, policy, + usecs_to_jiffies(new_rate), true); } - mutex_unlock(&dbs_info->cdbs.timer_mutex); + mutex_unlock(&dbs_info->cdbs.shared->timer_mutex); } } @@ -556,13 +550,16 @@ static void od_set_powersave_bias(unsigned int powersave_bias) get_online_cpus(); for_each_online_cpu(cpu) { + struct cpu_common_dbs_info *shared; + if (cpumask_test_cpu(cpu, &done)) continue; - policy = per_cpu(od_cpu_dbs_info, cpu).cdbs.cur_policy; - if (!policy) + shared = per_cpu(od_cpu_dbs_info, cpu).cdbs.shared; + if (!shared) continue; + policy = shared->policy; cpumask_or(&done, &done, policy->cpus); if (policy->governor != &cpufreq_gov_ondemand) diff --git a/drivers/cpufreq/cpufreq_opp.c b/drivers/cpufreq/cpufreq_opp.c index 773bcde893c0..0f5e6d5f6da0 100644 --- a/drivers/cpufreq/cpufreq_opp.c +++ b/drivers/cpufreq/cpufreq_opp.c @@ -75,6 +75,10 @@ int dev_pm_opp_init_cpufreq_table(struct device *dev, } freq_table[i].driver_data = i; freq_table[i].frequency = rate / 1000; + + /* Is Boost/turbo opp ? */ + if (dev_pm_opp_is_turbo(opp)) + freq_table[i].flags = CPUFREQ_BOOST_FREQ; } freq_table[i].driver_data = i; diff --git a/drivers/cpufreq/e_powersaver.c b/drivers/cpufreq/e_powersaver.c index a0d2a423cea9..4085244c8a67 100644 --- a/drivers/cpufreq/e_powersaver.c +++ b/drivers/cpufreq/e_powersaver.c @@ -78,7 +78,7 @@ static int eps_acpi_init(void) static int eps_acpi_exit(struct cpufreq_policy *policy) { if (eps_acpi_cpu_perf) { - acpi_processor_unregister_performance(eps_acpi_cpu_perf, 0); + acpi_processor_unregister_performance(0); free_cpumask_var(eps_acpi_cpu_perf->shared_cpu_map); kfree(eps_acpi_cpu_perf); eps_acpi_cpu_perf = NULL; diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c index ae5b2bd3a978..fa3dd840a837 100644 --- a/drivers/cpufreq/exynos-cpufreq.c +++ b/drivers/cpufreq/exynos-cpufreq.c @@ -180,7 +180,7 @@ static int exynos_cpufreq_probe(struct platform_device *pdev) ret = exynos5250_cpufreq_init(exynos_info); } else { pr_err("%s: Unknown SoC type\n", __func__); - return -ENODEV; + ret = -ENODEV; } if (ret) @@ -188,12 +188,14 @@ static int exynos_cpufreq_probe(struct platform_device *pdev) if (exynos_info->set_freq == NULL) { dev_err(&pdev->dev, "No set_freq function (ERR)\n"); + ret = -EINVAL; goto err_vdd_arm; } arm_regulator = regulator_get(NULL, "vdd_arm"); if (IS_ERR(arm_regulator)) { dev_err(&pdev->dev, "failed to get resource vdd_arm\n"); + ret = -EINVAL; goto err_vdd_arm; } @@ -225,7 +227,7 @@ err_cpufreq_reg: regulator_put(arm_regulator); err_vdd_arm: kfree(exynos_info); - return -EINVAL; + return ret; } static struct platform_driver exynos_cpufreq_platdrv = { diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index dfbbf981ed56..a8f1daffc9bc 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c @@ -18,6 +18,21 @@ * FREQUENCY TABLE HELPERS * *********************************************************************/ +bool policy_has_boost_freq(struct cpufreq_policy *policy) +{ + struct cpufreq_frequency_table *pos, *table = policy->freq_table; + + if (!table) + return false; + + cpufreq_for_each_valid_entry(pos, table) + if (pos->flags & CPUFREQ_BOOST_FREQ) + return true; + + return false; +} +EXPORT_SYMBOL_GPL(policy_has_boost_freq); + int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table) { diff --git a/drivers/cpufreq/ia64-acpi-cpufreq.c b/drivers/cpufreq/ia64-acpi-cpufreq.c index c30aaa6a54e8..0202429f1c5b 100644 --- a/drivers/cpufreq/ia64-acpi-cpufreq.c +++ b/drivers/cpufreq/ia64-acpi-cpufreq.c @@ -29,7 +29,6 @@ MODULE_LICENSE("GPL"); struct cpufreq_acpi_io { struct acpi_processor_performance acpi_data; - struct cpufreq_frequency_table *freq_table; unsigned int resume; }; @@ -221,6 +220,7 @@ acpi_cpufreq_cpu_init ( unsigned int cpu = policy->cpu; struct cpufreq_acpi_io *data; unsigned int result = 0; + struct cpufreq_frequency_table *freq_table; pr_debug("acpi_cpufreq_cpu_init\n"); @@ -254,10 +254,10 @@ acpi_cpufreq_cpu_init ( } /* alloc freq_table */ - data->freq_table = kzalloc(sizeof(*data->freq_table) * + freq_table = kzalloc(sizeof(*freq_table) * (data->acpi_data.state_count + 1), GFP_KERNEL); - if (!data->freq_table) { + if (!freq_table) { result = -ENOMEM; goto err_unreg; } @@ -276,14 +276,14 @@ acpi_cpufreq_cpu_init ( for (i = 0; i <= data->acpi_data.state_count; i++) { if (i < data->acpi_data.state_count) { - data->freq_table[i].frequency = + freq_table[i].frequency = data->acpi_data.states[i].core_frequency * 1000; } else { - data->freq_table[i].frequency = CPUFREQ_TABLE_END; + freq_table[i].frequency = CPUFREQ_TABLE_END; } } - result = cpufreq_table_validate_and_show(policy, data->freq_table); + result = cpufreq_table_validate_and_show(policy, freq_table); if (result) { goto err_freqfree; } @@ -311,9 +311,9 @@ acpi_cpufreq_cpu_init ( return (result); err_freqfree: - kfree(data->freq_table); + kfree(freq_table); err_unreg: - acpi_processor_unregister_performance(&data->acpi_data, cpu); + acpi_processor_unregister_performance(cpu); err_free: kfree(data); acpi_io_data[cpu] = NULL; @@ -332,8 +332,8 @@ acpi_cpufreq_cpu_exit ( if (data) { acpi_io_data[policy->cpu] = NULL; - acpi_processor_unregister_performance(&data->acpi_data, - policy->cpu); + acpi_processor_unregister_performance(policy->cpu); + kfree(policy->freq_table); kfree(data); } diff --git a/drivers/cpufreq/integrator-cpufreq.c b/drivers/cpufreq/integrator-cpufreq.c index 129e266f7621..2faa4216bf2a 100644 --- a/drivers/cpufreq/integrator-cpufreq.c +++ b/drivers/cpufreq/integrator-cpufreq.c @@ -98,11 +98,10 @@ static int integrator_set_target(struct cpufreq_policy *policy, /* get current setting */ cm_osc = __raw_readl(cm_base + INTEGRATOR_HDR_OSC_OFFSET); - if (machine_is_integrator()) { + if (machine_is_integrator()) vco.s = (cm_osc >> 8) & 7; - } else if (machine_is_cintegrator()) { + else if (machine_is_cintegrator()) vco.s = 1; - } vco.v = cm_osc & 255; vco.r = 22; freqs.old = icst_hz(&cclk_params, vco) / 1000; @@ -163,11 +162,10 @@ static unsigned int integrator_get(unsigned int cpu) /* detect memory etc. */ cm_osc = __raw_readl(cm_base + INTEGRATOR_HDR_OSC_OFFSET); - if (machine_is_integrator()) { + if (machine_is_integrator()) vco.s = (cm_osc >> 8) & 7; - } else { + else vco.s = 1; - } vco.v = cm_osc & 255; vco.r = 22; @@ -203,7 +201,7 @@ static int __init integrator_cpufreq_probe(struct platform_device *pdev) struct resource *res; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) + if (!res) return -ENODEV; cm_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); @@ -234,6 +232,6 @@ static struct platform_driver integrator_cpufreq_driver = { module_platform_driver_probe(integrator_cpufreq_driver, integrator_cpufreq_probe); -MODULE_AUTHOR ("Russell M. King"); -MODULE_DESCRIPTION ("cpufreq driver for ARM Integrator CPUs"); -MODULE_LICENSE ("GPL"); +MODULE_AUTHOR("Russell M. King"); +MODULE_DESCRIPTION("cpufreq driver for ARM Integrator CPUs"); +MODULE_LICENSE("GPL"); diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 15ada47bb720..31d0548638e8 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -484,12 +484,11 @@ static void __init intel_pstate_sysfs_expose_params(void) } /************************** sysfs end ************************/ -static void intel_pstate_hwp_enable(void) +static void intel_pstate_hwp_enable(struct cpudata *cpudata) { - hwp_active++; pr_info("intel_pstate: HWP enabled\n"); - wrmsrl( MSR_PM_ENABLE, 0x1); + wrmsrl_on_cpu(cpudata->cpu, MSR_PM_ENABLE, 0x1); } static int byt_get_min_pstate(void) @@ -522,7 +521,7 @@ static void byt_set_pstate(struct cpudata *cpudata, int pstate) int32_t vid_fp; u32 vid; - val = pstate << 8; + val = (u64)pstate << 8; if (limits.no_turbo && !limits.turbo_disabled) val |= (u64)1 << 32; @@ -611,7 +610,7 @@ static void core_set_pstate(struct cpudata *cpudata, int pstate) { u64 val; - val = pstate << 8; + val = (u64)pstate << 8; if (limits.no_turbo && !limits.turbo_disabled) val |= (u64)1 << 32; @@ -681,6 +680,7 @@ static struct cpu_defaults knl_params = { .get_max = core_get_max_pstate, .get_min = core_get_min_pstate, .get_turbo = knl_get_turbo_pstate, + .get_scaling = core_get_scaling, .set = core_set_pstate, }, }; @@ -908,6 +908,7 @@ static const struct x86_cpu_id intel_pstate_cpu_ids[] = { ICPU(0x4c, byt_params), ICPU(0x4e, core_params), ICPU(0x4f, core_params), + ICPU(0x5e, core_params), ICPU(0x56, core_params), ICPU(0x57, knl_params), {} @@ -932,6 +933,10 @@ static int intel_pstate_init_cpu(unsigned int cpunum) cpu = all_cpu_data[cpunum]; cpu->cpu = cpunum; + + if (hwp_active) + intel_pstate_hwp_enable(cpu); + intel_pstate_get_cpu_pstates(cpu); init_timer_deferrable(&cpu->timer); @@ -1169,6 +1174,10 @@ static struct hw_vendor_info vendor_info[] = { {1, "ORACLE", "X4270M3 ", PPC}, {1, "ORACLE", "X4270M2 ", PPC}, {1, "ORACLE", "X4170M2 ", PPC}, + {1, "ORACLE", "X4170 M3", PPC}, + {1, "ORACLE", "X4275 M3", PPC}, + {1, "ORACLE", "X6-2 ", PPC}, + {1, "ORACLE", "Sudbury ", PPC}, {0, "", ""}, }; @@ -1245,7 +1254,7 @@ static int __init intel_pstate_init(void) return -ENOMEM; if (static_cpu_has_safe(X86_FEATURE_HWP) && !no_hwp) - intel_pstate_hwp_enable(); + hwp_active++; if (!hwp_active && hwp_only) goto out; diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c index e362860c2b50..cd593c1f66dc 100644 --- a/drivers/cpufreq/loongson2_cpufreq.c +++ b/drivers/cpufreq/loongson2_cpufreq.c @@ -20,7 +20,7 @@ #include <asm/clock.h> #include <asm/idle.h> -#include <asm/mach-loongson/loongson.h> +#include <asm/mach-loongson64/loongson.h> static uint nowait; diff --git a/drivers/cpufreq/mt8173-cpufreq.c b/drivers/cpufreq/mt8173-cpufreq.c new file mode 100644 index 000000000000..49caed293a3b --- /dev/null +++ b/drivers/cpufreq/mt8173-cpufreq.c @@ -0,0 +1,527 @@ +/* + * Copyright (c) 2015 Linaro Ltd. + * Author: Pi-Cheng Chen <pi-cheng.chen@linaro.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk.h> +#include <linux/cpu.h> +#include <linux/cpu_cooling.h> +#include <linux/cpufreq.h> +#include <linux/cpumask.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/pm_opp.h> +#include <linux/regulator/consumer.h> +#include <linux/slab.h> +#include <linux/thermal.h> + +#define MIN_VOLT_SHIFT (100000) +#define MAX_VOLT_SHIFT (200000) +#define MAX_VOLT_LIMIT (1150000) +#define VOLT_TOL (10000) + +/* + * The struct mtk_cpu_dvfs_info holds necessary information for doing CPU DVFS + * on each CPU power/clock domain of Mediatek SoCs. Each CPU cluster in + * Mediatek SoCs has two voltage inputs, Vproc and Vsram. In some cases the two + * voltage inputs need to be controlled under a hardware limitation: + * 100mV < Vsram - Vproc < 200mV + * + * When scaling the clock frequency of a CPU clock domain, the clock source + * needs to be switched to another stable PLL clock temporarily until + * the original PLL becomes stable at target frequency. + */ +struct mtk_cpu_dvfs_info { + struct device *cpu_dev; + struct regulator *proc_reg; + struct regulator *sram_reg; + struct clk *cpu_clk; + struct clk *inter_clk; + struct thermal_cooling_device *cdev; + int intermediate_voltage; + bool need_voltage_tracking; +}; + +static int mtk_cpufreq_voltage_tracking(struct mtk_cpu_dvfs_info *info, + int new_vproc) +{ + struct regulator *proc_reg = info->proc_reg; + struct regulator *sram_reg = info->sram_reg; + int old_vproc, old_vsram, new_vsram, vsram, vproc, ret; + + old_vproc = regulator_get_voltage(proc_reg); + old_vsram = regulator_get_voltage(sram_reg); + /* Vsram should not exceed the maximum allowed voltage of SoC. */ + new_vsram = min(new_vproc + MIN_VOLT_SHIFT, MAX_VOLT_LIMIT); + + if (old_vproc < new_vproc) { + /* + * When scaling up voltages, Vsram and Vproc scale up step + * by step. At each step, set Vsram to (Vproc + 200mV) first, + * then set Vproc to (Vsram - 100mV). + * Keep doing it until Vsram and Vproc hit target voltages. + */ + do { + old_vsram = regulator_get_voltage(sram_reg); + old_vproc = regulator_get_voltage(proc_reg); + + vsram = min(new_vsram, old_vproc + MAX_VOLT_SHIFT); + + if (vsram + VOLT_TOL >= MAX_VOLT_LIMIT) { + vsram = MAX_VOLT_LIMIT; + + /* + * If the target Vsram hits the maximum voltage, + * try to set the exact voltage value first. + */ + ret = regulator_set_voltage(sram_reg, vsram, + vsram); + if (ret) + ret = regulator_set_voltage(sram_reg, + vsram - VOLT_TOL, + vsram); + + vproc = new_vproc; + } else { + ret = regulator_set_voltage(sram_reg, vsram, + vsram + VOLT_TOL); + + vproc = vsram - MIN_VOLT_SHIFT; + } + if (ret) + return ret; + + ret = regulator_set_voltage(proc_reg, vproc, + vproc + VOLT_TOL); + if (ret) { + regulator_set_voltage(sram_reg, old_vsram, + old_vsram); + return ret; + } + } while (vproc < new_vproc || vsram < new_vsram); + } else if (old_vproc > new_vproc) { + /* + * When scaling down voltages, Vsram and Vproc scale down step + * by step. At each step, set Vproc to (Vsram - 200mV) first, + * then set Vproc to (Vproc + 100mV). + * Keep doing it until Vsram and Vproc hit target voltages. + */ + do { + old_vproc = regulator_get_voltage(proc_reg); + old_vsram = regulator_get_voltage(sram_reg); + + vproc = max(new_vproc, old_vsram - MAX_VOLT_SHIFT); + ret = regulator_set_voltage(proc_reg, vproc, + vproc + VOLT_TOL); + if (ret) + return ret; + + if (vproc == new_vproc) + vsram = new_vsram; + else + vsram = max(new_vsram, vproc + MIN_VOLT_SHIFT); + + if (vsram + VOLT_TOL >= MAX_VOLT_LIMIT) { + vsram = MAX_VOLT_LIMIT; + + /* + * If the target Vsram hits the maximum voltage, + * try to set the exact voltage value first. + */ + ret = regulator_set_voltage(sram_reg, vsram, + vsram); + if (ret) + ret = regulator_set_voltage(sram_reg, + vsram - VOLT_TOL, + vsram); + } else { + ret = regulator_set_voltage(sram_reg, vsram, + vsram + VOLT_TOL); + } + + if (ret) { + regulator_set_voltage(proc_reg, old_vproc, + old_vproc); + return ret; + } + } while (vproc > new_vproc + VOLT_TOL || + vsram > new_vsram + VOLT_TOL); + } + + return 0; +} + +static int mtk_cpufreq_set_voltage(struct mtk_cpu_dvfs_info *info, int vproc) +{ + if (info->need_voltage_tracking) + return mtk_cpufreq_voltage_tracking(info, vproc); + else + return regulator_set_voltage(info->proc_reg, vproc, + vproc + VOLT_TOL); +} + +static int mtk_cpufreq_set_target(struct cpufreq_policy *policy, + unsigned int index) +{ + struct cpufreq_frequency_table *freq_table = policy->freq_table; + struct clk *cpu_clk = policy->clk; + struct clk *armpll = clk_get_parent(cpu_clk); + struct mtk_cpu_dvfs_info *info = policy->driver_data; + struct device *cpu_dev = info->cpu_dev; + struct dev_pm_opp *opp; + long freq_hz, old_freq_hz; + int vproc, old_vproc, inter_vproc, target_vproc, ret; + + inter_vproc = info->intermediate_voltage; + + old_freq_hz = clk_get_rate(cpu_clk); + old_vproc = regulator_get_voltage(info->proc_reg); + + freq_hz = freq_table[index].frequency * 1000; + + rcu_read_lock(); + opp = dev_pm_opp_find_freq_ceil(cpu_dev, &freq_hz); + if (IS_ERR(opp)) { + rcu_read_unlock(); + pr_err("cpu%d: failed to find OPP for %ld\n", + policy->cpu, freq_hz); + return PTR_ERR(opp); + } + vproc = dev_pm_opp_get_voltage(opp); + rcu_read_unlock(); + + /* + * If the new voltage or the intermediate voltage is higher than the + * current voltage, scale up voltage first. + */ + target_vproc = (inter_vproc > vproc) ? inter_vproc : vproc; + if (old_vproc < target_vproc) { + ret = mtk_cpufreq_set_voltage(info, target_vproc); + if (ret) { + pr_err("cpu%d: failed to scale up voltage!\n", + policy->cpu); + mtk_cpufreq_set_voltage(info, old_vproc); + return ret; + } + } + + /* Reparent the CPU clock to intermediate clock. */ + ret = clk_set_parent(cpu_clk, info->inter_clk); + if (ret) { + pr_err("cpu%d: failed to re-parent cpu clock!\n", + policy->cpu); + mtk_cpufreq_set_voltage(info, old_vproc); + WARN_ON(1); + return ret; + } + + /* Set the original PLL to target rate. */ + ret = clk_set_rate(armpll, freq_hz); + if (ret) { + pr_err("cpu%d: failed to scale cpu clock rate!\n", + policy->cpu); + clk_set_parent(cpu_clk, armpll); + mtk_cpufreq_set_voltage(info, old_vproc); + return ret; + } + + /* Set parent of CPU clock back to the original PLL. */ + ret = clk_set_parent(cpu_clk, armpll); + if (ret) { + pr_err("cpu%d: failed to re-parent cpu clock!\n", + policy->cpu); + mtk_cpufreq_set_voltage(info, inter_vproc); + WARN_ON(1); + return ret; + } + + /* + * If the new voltage is lower than the intermediate voltage or the + * original voltage, scale down to the new voltage. + */ + if (vproc < inter_vproc || vproc < old_vproc) { + ret = mtk_cpufreq_set_voltage(info, vproc); + if (ret) { + pr_err("cpu%d: failed to scale down voltage!\n", + policy->cpu); + clk_set_parent(cpu_clk, info->inter_clk); + clk_set_rate(armpll, old_freq_hz); + clk_set_parent(cpu_clk, armpll); + return ret; + } + } + + return 0; +} + +static void mtk_cpufreq_ready(struct cpufreq_policy *policy) +{ + struct mtk_cpu_dvfs_info *info = policy->driver_data; + struct device_node *np = of_node_get(info->cpu_dev->of_node); + + if (WARN_ON(!np)) + return; + + if (of_find_property(np, "#cooling-cells", NULL)) { + info->cdev = of_cpufreq_cooling_register(np, + policy->related_cpus); + + if (IS_ERR(info->cdev)) { + dev_err(info->cpu_dev, + "running cpufreq without cooling device: %ld\n", + PTR_ERR(info->cdev)); + + info->cdev = NULL; + } + } + + of_node_put(np); +} + +static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu) +{ + struct device *cpu_dev; + struct regulator *proc_reg = ERR_PTR(-ENODEV); + struct regulator *sram_reg = ERR_PTR(-ENODEV); + struct clk *cpu_clk = ERR_PTR(-ENODEV); + struct clk *inter_clk = ERR_PTR(-ENODEV); + struct dev_pm_opp *opp; + unsigned long rate; + int ret; + + cpu_dev = get_cpu_device(cpu); + if (!cpu_dev) { + pr_err("failed to get cpu%d device\n", cpu); + return -ENODEV; + } + + cpu_clk = clk_get(cpu_dev, "cpu"); + if (IS_ERR(cpu_clk)) { + if (PTR_ERR(cpu_clk) == -EPROBE_DEFER) + pr_warn("cpu clk for cpu%d not ready, retry.\n", cpu); + else + pr_err("failed to get cpu clk for cpu%d\n", cpu); + + ret = PTR_ERR(cpu_clk); + return ret; + } + + inter_clk = clk_get(cpu_dev, "intermediate"); + if (IS_ERR(inter_clk)) { + if (PTR_ERR(inter_clk) == -EPROBE_DEFER) + pr_warn("intermediate clk for cpu%d not ready, retry.\n", + cpu); + else + pr_err("failed to get intermediate clk for cpu%d\n", + cpu); + + ret = PTR_ERR(inter_clk); + goto out_free_resources; + } + + proc_reg = regulator_get_exclusive(cpu_dev, "proc"); + if (IS_ERR(proc_reg)) { + if (PTR_ERR(proc_reg) == -EPROBE_DEFER) + pr_warn("proc regulator for cpu%d not ready, retry.\n", + cpu); + else + pr_err("failed to get proc regulator for cpu%d\n", + cpu); + + ret = PTR_ERR(proc_reg); + goto out_free_resources; + } + + /* Both presence and absence of sram regulator are valid cases. */ + sram_reg = regulator_get_exclusive(cpu_dev, "sram"); + + ret = of_init_opp_table(cpu_dev); + if (ret) { + pr_warn("no OPP table for cpu%d\n", cpu); + goto out_free_resources; + } + + /* Search a safe voltage for intermediate frequency. */ + rate = clk_get_rate(inter_clk); + rcu_read_lock(); + opp = dev_pm_opp_find_freq_ceil(cpu_dev, &rate); + if (IS_ERR(opp)) { + rcu_read_unlock(); + pr_err("failed to get intermediate opp for cpu%d\n", cpu); + ret = PTR_ERR(opp); + goto out_free_opp_table; + } + info->intermediate_voltage = dev_pm_opp_get_voltage(opp); + rcu_read_unlock(); + + info->cpu_dev = cpu_dev; + info->proc_reg = proc_reg; + info->sram_reg = IS_ERR(sram_reg) ? NULL : sram_reg; + info->cpu_clk = cpu_clk; + info->inter_clk = inter_clk; + + /* + * If SRAM regulator is present, software "voltage tracking" is needed + * for this CPU power domain. + */ + info->need_voltage_tracking = !IS_ERR(sram_reg); + + return 0; + +out_free_opp_table: + of_free_opp_table(cpu_dev); + +out_free_resources: + if (!IS_ERR(proc_reg)) + regulator_put(proc_reg); + if (!IS_ERR(sram_reg)) + regulator_put(sram_reg); + if (!IS_ERR(cpu_clk)) + clk_put(cpu_clk); + if (!IS_ERR(inter_clk)) + clk_put(inter_clk); + + return ret; +} + +static void mtk_cpu_dvfs_info_release(struct mtk_cpu_dvfs_info *info) +{ + if (!IS_ERR(info->proc_reg)) + regulator_put(info->proc_reg); + if (!IS_ERR(info->sram_reg)) + regulator_put(info->sram_reg); + if (!IS_ERR(info->cpu_clk)) + clk_put(info->cpu_clk); + if (!IS_ERR(info->inter_clk)) + clk_put(info->inter_clk); + + of_free_opp_table(info->cpu_dev); +} + +static int mtk_cpufreq_init(struct cpufreq_policy *policy) +{ + struct mtk_cpu_dvfs_info *info; + struct cpufreq_frequency_table *freq_table; + int ret; + + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + ret = mtk_cpu_dvfs_info_init(info, policy->cpu); + if (ret) { + pr_err("%s failed to initialize dvfs info for cpu%d\n", + __func__, policy->cpu); + goto out_free_dvfs_info; + } + + ret = dev_pm_opp_init_cpufreq_table(info->cpu_dev, &freq_table); + if (ret) { + pr_err("failed to init cpufreq table for cpu%d: %d\n", + policy->cpu, ret); + goto out_release_dvfs_info; + } + + ret = cpufreq_table_validate_and_show(policy, freq_table); + if (ret) { + pr_err("%s: invalid frequency table: %d\n", __func__, ret); + goto out_free_cpufreq_table; + } + + /* CPUs in the same cluster share a clock and power domain. */ + cpumask_copy(policy->cpus, &cpu_topology[policy->cpu].core_sibling); + policy->driver_data = info; + policy->clk = info->cpu_clk; + + return 0; + +out_free_cpufreq_table: + dev_pm_opp_free_cpufreq_table(info->cpu_dev, &freq_table); + +out_release_dvfs_info: + mtk_cpu_dvfs_info_release(info); + +out_free_dvfs_info: + kfree(info); + + return ret; +} + +static int mtk_cpufreq_exit(struct cpufreq_policy *policy) +{ + struct mtk_cpu_dvfs_info *info = policy->driver_data; + + cpufreq_cooling_unregister(info->cdev); + dev_pm_opp_free_cpufreq_table(info->cpu_dev, &policy->freq_table); + mtk_cpu_dvfs_info_release(info); + kfree(info); + + return 0; +} + +static struct cpufreq_driver mt8173_cpufreq_driver = { + .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK, + .verify = cpufreq_generic_frequency_table_verify, + .target_index = mtk_cpufreq_set_target, + .get = cpufreq_generic_get, + .init = mtk_cpufreq_init, + .exit = mtk_cpufreq_exit, + .ready = mtk_cpufreq_ready, + .name = "mtk-cpufreq", + .attr = cpufreq_generic_attr, +}; + +static int mt8173_cpufreq_probe(struct platform_device *pdev) +{ + int ret; + + ret = cpufreq_register_driver(&mt8173_cpufreq_driver); + if (ret) + pr_err("failed to register mtk cpufreq driver\n"); + + return ret; +} + +static struct platform_driver mt8173_cpufreq_platdrv = { + .driver = { + .name = "mt8173-cpufreq", + }, + .probe = mt8173_cpufreq_probe, +}; + +static int mt8173_cpufreq_driver_init(void) +{ + struct platform_device *pdev; + int err; + + if (!of_machine_is_compatible("mediatek,mt8173")) + return -ENODEV; + + err = platform_driver_register(&mt8173_cpufreq_platdrv); + if (err) + return err; + + /* + * Since there's no place to hold device registration code and no + * device tree based way to match cpufreq driver yet, both the driver + * and the device registration codes are put here to handle defer + * probing. + */ + pdev = platform_device_register_simple("mt8173-cpufreq", -1, NULL, 0); + if (IS_ERR(pdev)) { + pr_err("failed to register mtk-cpufreq platform device\n"); + return PTR_ERR(pdev); + } + + return 0; +} +device_initcall(mt8173_cpufreq_driver_init); diff --git a/drivers/cpufreq/powernow-k7.c b/drivers/cpufreq/powernow-k7.c index 37c5742482d8..c1ae1999770a 100644 --- a/drivers/cpufreq/powernow-k7.c +++ b/drivers/cpufreq/powernow-k7.c @@ -421,7 +421,7 @@ static int powernow_acpi_init(void) return 0; err2: - acpi_processor_unregister_performance(acpi_processor_perf, 0); + acpi_processor_unregister_performance(0); err1: free_cpumask_var(acpi_processor_perf->shared_cpu_map); err05: @@ -661,7 +661,7 @@ static int powernow_cpu_exit(struct cpufreq_policy *policy) { #ifdef CONFIG_X86_POWERNOW_K7_ACPI if (acpi_processor_perf) { - acpi_processor_unregister_performance(acpi_processor_perf, 0); + acpi_processor_unregister_performance(0); free_cpumask_var(acpi_processor_perf->shared_cpu_map); kfree(acpi_processor_perf); } diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index 5c035d04d827..0b5bf135b090 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -795,7 +795,7 @@ err_out_mem: kfree(powernow_table); err_out: - acpi_processor_unregister_performance(&data->acpi_data, data->cpu); + acpi_processor_unregister_performance(data->cpu); /* data->acpi_data.state_count informs us at ->exit() * whether ACPI was used */ @@ -863,8 +863,7 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, static void powernow_k8_cpu_exit_acpi(struct powernow_k8_data *data) { if (data->acpi_data.state_count) - acpi_processor_unregister_performance(&data->acpi_data, - data->cpu); + acpi_processor_unregister_performance(data->cpu); free_cpumask_var(data->acpi_data.shared_cpu_map); } diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c index ebef0d8279c7..64994e10638e 100644 --- a/drivers/cpufreq/powernv-cpufreq.c +++ b/drivers/cpufreq/powernv-cpufreq.c @@ -27,20 +27,31 @@ #include <linux/smp.h> #include <linux/of.h> #include <linux/reboot.h> +#include <linux/slab.h> #include <asm/cputhreads.h> #include <asm/firmware.h> #include <asm/reg.h> #include <asm/smp.h> /* Required for cpu_sibling_mask() in UP configs */ +#include <asm/opal.h> #define POWERNV_MAX_PSTATES 256 #define PMSR_PSAFE_ENABLE (1UL << 30) #define PMSR_SPR_EM_DISABLE (1UL << 31) #define PMSR_MAX(x) ((x >> 32) & 0xFF) -#define PMSR_LP(x) ((x >> 48) & 0xFF) static struct cpufreq_frequency_table powernv_freqs[POWERNV_MAX_PSTATES+1]; -static bool rebooting, throttled; +static bool rebooting, throttled, occ_reset; + +static struct chip { + unsigned int id; + bool throttled; + cpumask_t mask; + struct work_struct throttle; + bool restore; +} *chips; + +static int nr_chips; /* * Note: The set of pstates consists of contiguous integers, the @@ -298,28 +309,35 @@ static inline unsigned int get_nominal_index(void) return powernv_pstate_info.max - powernv_pstate_info.nominal; } -static void powernv_cpufreq_throttle_check(unsigned int cpu) +static void powernv_cpufreq_throttle_check(void *data) { + unsigned int cpu = smp_processor_id(); unsigned long pmsr; - int pmsr_pmax, pmsr_lp; + int pmsr_pmax, i; pmsr = get_pmspr(SPRN_PMSR); + for (i = 0; i < nr_chips; i++) + if (chips[i].id == cpu_to_chip_id(cpu)) + break; + /* Check for Pmax Capping */ pmsr_pmax = (s8)PMSR_MAX(pmsr); if (pmsr_pmax != powernv_pstate_info.max) { - throttled = true; - pr_info("CPU %d Pmax is reduced to %d\n", cpu, pmsr_pmax); - pr_info("Max allowed Pstate is capped\n"); + if (chips[i].throttled) + goto next; + chips[i].throttled = true; + pr_info("CPU %d on Chip %u has Pmax reduced to %d\n", cpu, + chips[i].id, pmsr_pmax); + } else if (chips[i].throttled) { + chips[i].throttled = false; + pr_info("CPU %d on Chip %u has Pmax restored to %d\n", cpu, + chips[i].id, pmsr_pmax); } - /* - * Check for Psafe by reading LocalPstate - * or check if Psafe_mode_active is set in PMSR. - */ - pmsr_lp = (s8)PMSR_LP(pmsr); - if ((pmsr_lp < powernv_pstate_info.min) || - (pmsr & PMSR_PSAFE_ENABLE)) { + /* Check if Psafe_mode_active is set in PMSR. */ +next: + if (pmsr & PMSR_PSAFE_ENABLE) { throttled = true; pr_info("Pstate set to safe frequency\n"); } @@ -350,7 +368,7 @@ static int powernv_cpufreq_target_index(struct cpufreq_policy *policy, return 0; if (!throttled) - powernv_cpufreq_throttle_check(smp_processor_id()); + powernv_cpufreq_throttle_check(NULL); freq_data.pstate_id = powernv_freqs[new_index].driver_data; @@ -395,6 +413,119 @@ static struct notifier_block powernv_cpufreq_reboot_nb = { .notifier_call = powernv_cpufreq_reboot_notifier, }; +void powernv_cpufreq_work_fn(struct work_struct *work) +{ + struct chip *chip = container_of(work, struct chip, throttle); + unsigned int cpu; + cpumask_var_t mask; + + smp_call_function_any(&chip->mask, + powernv_cpufreq_throttle_check, NULL, 0); + + if (!chip->restore) + return; + + chip->restore = false; + cpumask_copy(mask, &chip->mask); + for_each_cpu_and(cpu, mask, cpu_online_mask) { + int index, tcpu; + struct cpufreq_policy policy; + + cpufreq_get_policy(&policy, cpu); + cpufreq_frequency_table_target(&policy, policy.freq_table, + policy.cur, + CPUFREQ_RELATION_C, &index); + powernv_cpufreq_target_index(&policy, index); + for_each_cpu(tcpu, policy.cpus) + cpumask_clear_cpu(tcpu, mask); + } +} + +static char throttle_reason[][30] = { + "No throttling", + "Power Cap", + "Processor Over Temperature", + "Power Supply Failure", + "Over Current", + "OCC Reset" + }; + +static int powernv_cpufreq_occ_msg(struct notifier_block *nb, + unsigned long msg_type, void *_msg) +{ + struct opal_msg *msg = _msg; + struct opal_occ_msg omsg; + int i; + + if (msg_type != OPAL_MSG_OCC) + return 0; + + omsg.type = be64_to_cpu(msg->params[0]); + + switch (omsg.type) { + case OCC_RESET: + occ_reset = true; + pr_info("OCC (On Chip Controller - enforces hard thermal/power limits) Resetting\n"); + /* + * powernv_cpufreq_throttle_check() is called in + * target() callback which can detect the throttle state + * for governors like ondemand. + * But static governors will not call target() often thus + * report throttling here. + */ + if (!throttled) { + throttled = true; + pr_crit("CPU frequency is throttled for duration\n"); + } + + break; + case OCC_LOAD: + pr_info("OCC Loading, CPU frequency is throttled until OCC is started\n"); + break; + case OCC_THROTTLE: + omsg.chip = be64_to_cpu(msg->params[1]); + omsg.throttle_status = be64_to_cpu(msg->params[2]); + + if (occ_reset) { + occ_reset = false; + throttled = false; + pr_info("OCC Active, CPU frequency is no longer throttled\n"); + + for (i = 0; i < nr_chips; i++) { + chips[i].restore = true; + schedule_work(&chips[i].throttle); + } + + return 0; + } + + if (omsg.throttle_status && + omsg.throttle_status <= OCC_MAX_THROTTLE_STATUS) + pr_info("OCC: Chip %u Pmax reduced due to %s\n", + (unsigned int)omsg.chip, + throttle_reason[omsg.throttle_status]); + else if (!omsg.throttle_status) + pr_info("OCC: Chip %u %s\n", (unsigned int)omsg.chip, + throttle_reason[omsg.throttle_status]); + else + return 0; + + for (i = 0; i < nr_chips; i++) + if (chips[i].id == omsg.chip) { + if (!omsg.throttle_status) + chips[i].restore = true; + schedule_work(&chips[i].throttle); + } + } + return 0; +} + +static struct notifier_block powernv_cpufreq_opal_nb = { + .notifier_call = powernv_cpufreq_occ_msg, + .next = NULL, + .priority = 0, +}; + static void powernv_cpufreq_stop_cpu(struct cpufreq_policy *policy) { struct powernv_smp_call_data freq_data; @@ -414,6 +545,36 @@ static struct cpufreq_driver powernv_cpufreq_driver = { .attr = powernv_cpu_freq_attr, }; +static int init_chip_info(void) +{ + unsigned int chip[256]; + unsigned int cpu, i; + unsigned int prev_chip_id = UINT_MAX; + + for_each_possible_cpu(cpu) { + unsigned int id = cpu_to_chip_id(cpu); + + if (prev_chip_id != id) { + prev_chip_id = id; + chip[nr_chips++] = id; + } + } + + chips = kmalloc_array(nr_chips, sizeof(struct chip), GFP_KERNEL); + if (!chips) + return -ENOMEM; + + for (i = 0; i < nr_chips; i++) { + chips[i].id = chip[i]; + chips[i].throttled = false; + cpumask_copy(&chips[i].mask, cpumask_of_node(chip[i])); + INIT_WORK(&chips[i].throttle, powernv_cpufreq_work_fn); + chips[i].restore = false; + } + + return 0; +} + static int __init powernv_cpufreq_init(void) { int rc = 0; @@ -429,7 +590,13 @@ static int __init powernv_cpufreq_init(void) return rc; } + /* Populate chip info */ + rc = init_chip_info(); + if (rc) + return rc; + register_reboot_notifier(&powernv_cpufreq_reboot_nb); + opal_message_notifier_register(OPAL_MSG_OCC, &powernv_cpufreq_opal_nb); return cpufreq_register_driver(&powernv_cpufreq_driver); } module_init(powernv_cpufreq_init); @@ -437,6 +604,8 @@ module_init(powernv_cpufreq_init); static void __exit powernv_cpufreq_exit(void) { unregister_reboot_notifier(&powernv_cpufreq_reboot_nb); + opal_message_notifier_unregister(OPAL_MSG_OCC, + &powernv_cpufreq_opal_nb); cpufreq_unregister_driver(&powernv_cpufreq_driver); } module_exit(powernv_cpufreq_exit); diff --git a/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c b/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c index d29e8da396a0..7969f7690498 100644 --- a/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c +++ b/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c @@ -97,8 +97,8 @@ static int pmi_notifier(struct notifier_block *nb, struct cpufreq_frequency_table *cbe_freqs; u8 node; - /* Should this really be called for CPUFREQ_ADJUST, CPUFREQ_INCOMPATIBLE - * and CPUFREQ_NOTIFY policy events?) + /* Should this really be called for CPUFREQ_ADJUST and CPUFREQ_NOTIFY + * policy events?) */ if (event == CPUFREQ_START) return 0; diff --git a/drivers/cpufreq/sfi-cpufreq.c b/drivers/cpufreq/sfi-cpufreq.c index ffa3389e535b..992ce6f9abec 100644 --- a/drivers/cpufreq/sfi-cpufreq.c +++ b/drivers/cpufreq/sfi-cpufreq.c @@ -45,12 +45,10 @@ static int sfi_parse_freq(struct sfi_table_header *table) pentry = (struct sfi_freq_table_entry *)sb->pentry; totallen = num_freq_table_entries * sizeof(*pentry); - sfi_cpufreq_array = kzalloc(totallen, GFP_KERNEL); + sfi_cpufreq_array = kmemdup(pentry, totallen, GFP_KERNEL); if (!sfi_cpufreq_array) return -ENOMEM; - memcpy(sfi_cpufreq_array, pentry, totallen); - return 0; } diff --git a/drivers/cpufreq/speedstep-lib.c b/drivers/cpufreq/speedstep-lib.c index 4ab7a2156672..15d3214aaa00 100644 --- a/drivers/cpufreq/speedstep-lib.c +++ b/drivers/cpufreq/speedstep-lib.c @@ -386,7 +386,7 @@ unsigned int speedstep_get_freqs(enum speedstep_processor processor, unsigned int prev_speed; unsigned int ret = 0; unsigned long flags; - struct timeval tv1, tv2; + ktime_t tv1, tv2; if ((!processor) || (!low_speed) || (!high_speed) || (!set_state)) return -EINVAL; @@ -415,14 +415,14 @@ unsigned int speedstep_get_freqs(enum speedstep_processor processor, /* start latency measurement */ if (transition_latency) - do_gettimeofday(&tv1); + tv1 = ktime_get(); /* switch to high state */ set_state(SPEEDSTEP_HIGH); /* end latency measurement */ if (transition_latency) - do_gettimeofday(&tv2); + tv2 = ktime_get(); *high_speed = speedstep_get_frequency(processor); if (!*high_speed) { @@ -442,8 +442,7 @@ unsigned int speedstep_get_freqs(enum speedstep_processor processor, set_state(SPEEDSTEP_LOW); if (transition_latency) { - *transition_latency = (tv2.tv_sec - tv1.tv_sec) * USEC_PER_SEC + - tv2.tv_usec - tv1.tv_usec; + *transition_latency = ktime_to_us(ktime_sub(tv2, tv1)); pr_debug("transition latency is %u uSec\n", *transition_latency); /* convert uSec to nSec and add 20% for safety reasons */ diff --git a/drivers/cpuidle/coupled.c b/drivers/cpuidle/coupled.c index 7936dce4b878..1523e2d745eb 100644 --- a/drivers/cpuidle/coupled.c +++ b/drivers/cpuidle/coupled.c @@ -176,14 +176,12 @@ void cpuidle_coupled_parallel_barrier(struct cpuidle_device *dev, atomic_t *a) /** * cpuidle_state_is_coupled - check if a state is part of a coupled set - * @dev: struct cpuidle_device for the current cpu * @drv: struct cpuidle_driver for the platform * @state: index of the target state in drv->states * * Returns true if the target state is coupled with cpus besides this one */ -bool cpuidle_state_is_coupled(struct cpuidle_device *dev, - struct cpuidle_driver *drv, int state) +bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state) { return drv->states[state].flags & CPUIDLE_FLAG_COUPLED; } @@ -473,7 +471,7 @@ int cpuidle_enter_state_coupled(struct cpuidle_device *dev, return entered_state; } entered_state = cpuidle_enter_state(dev, drv, - dev->safe_state_index); + drv->safe_state_index); local_irq_disable(); } @@ -521,7 +519,7 @@ retry: } entered_state = cpuidle_enter_state(dev, drv, - dev->safe_state_index); + drv->safe_state_index); local_irq_disable(); } diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 48b7228563ad..fe79cafb0f14 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -210,7 +210,7 @@ int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv, tick_broadcast_exit(); } - if (!cpuidle_state_is_coupled(dev, drv, entered_state)) + if (!cpuidle_state_is_coupled(drv, entered_state)) local_irq_enable(); diff = ktime_to_us(ktime_sub(time_end, time_start)); @@ -259,7 +259,7 @@ int cpuidle_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) int cpuidle_enter(struct cpuidle_driver *drv, struct cpuidle_device *dev, int index) { - if (cpuidle_state_is_coupled(dev, drv, index)) + if (cpuidle_state_is_coupled(drv, index)) return cpuidle_enter_state_coupled(dev, drv, index); return cpuidle_enter_state(dev, drv, index); } diff --git a/drivers/cpuidle/cpuidle.h b/drivers/cpuidle/cpuidle.h index ee97e9672ecf..178c5ad3d568 100644 --- a/drivers/cpuidle/cpuidle.h +++ b/drivers/cpuidle/cpuidle.h @@ -34,15 +34,14 @@ extern int cpuidle_add_sysfs(struct cpuidle_device *dev); extern void cpuidle_remove_sysfs(struct cpuidle_device *dev); #ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED -bool cpuidle_state_is_coupled(struct cpuidle_device *dev, - struct cpuidle_driver *drv, int state); +bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state); int cpuidle_enter_state_coupled(struct cpuidle_device *dev, struct cpuidle_driver *drv, int next_state); int cpuidle_coupled_register_device(struct cpuidle_device *dev); void cpuidle_coupled_unregister_device(struct cpuidle_device *dev); #else -static inline bool cpuidle_state_is_coupled(struct cpuidle_device *dev, - struct cpuidle_driver *drv, int state) +static inline +bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state) { return false; } diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index dae1e8099969..f9c78751989e 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -909,13 +909,14 @@ static int ahash_final_ctx(struct ahash_request *req) state->buflen_1; u32 *sh_desc = ctx->sh_desc_fin, *desc; dma_addr_t ptr = ctx->sh_desc_fin_dma; - int sec4_sg_bytes; + int sec4_sg_bytes, sec4_sg_src_index; int digestsize = crypto_ahash_digestsize(ahash); struct ahash_edesc *edesc; int ret = 0; int sh_len; - sec4_sg_bytes = (1 + (buflen ? 1 : 0)) * sizeof(struct sec4_sg_entry); + sec4_sg_src_index = 1 + (buflen ? 1 : 0); + sec4_sg_bytes = sec4_sg_src_index * sizeof(struct sec4_sg_entry); /* allocate space for base edesc and hw desc commands, link tables */ edesc = kmalloc(sizeof(struct ahash_edesc) + DESC_JOB_IO_LEN + @@ -942,7 +943,7 @@ static int ahash_final_ctx(struct ahash_request *req) state->buf_dma = try_buf_map_to_sec4_sg(jrdev, edesc->sec4_sg + 1, buf, state->buf_dma, buflen, last_buflen); - (edesc->sec4_sg + sec4_sg_bytes - 1)->len |= SEC4_SG_LEN_FIN; + (edesc->sec4_sg + sec4_sg_src_index - 1)->len |= SEC4_SG_LEN_FIN; edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg, sec4_sg_bytes, DMA_TO_DEVICE); diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index 7ba495f75370..402631a19a11 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -905,7 +905,6 @@ static int ablk_perform(struct ablkcipher_request *req, int encrypt) crypt->mode |= NPE_OP_NOT_IN_PLACE; /* This was never tested by Intel * for more than one dst buffer, I think. */ - BUG_ON(req->dst->length < nbytes); req_ctx->dst = NULL; if (!chainup_buffers(dev, req->dst, nbytes, &dst_hook, flags, DMA_FROM_DEVICE)) diff --git a/drivers/crypto/nx/nx-sha256.c b/drivers/crypto/nx/nx-sha256.c index 08f8d5cd6334..becb738c897b 100644 --- a/drivers/crypto/nx/nx-sha256.c +++ b/drivers/crypto/nx/nx-sha256.c @@ -71,7 +71,6 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, struct sha256_state *sctx = shash_desc_ctx(desc); struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = (struct nx_csbcpb *)nx_ctx->csbcpb; - struct nx_sg *in_sg; struct nx_sg *out_sg; u64 to_process = 0, leftover, total; unsigned long irq_flags; @@ -97,7 +96,6 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, NX_CPB_FDM(csbcpb) |= NX_FDM_INTERMEDIATE; NX_CPB_FDM(csbcpb) |= NX_FDM_CONTINUATION; - in_sg = nx_ctx->in_sg; max_sg_len = min_t(u64, nx_ctx->ap->sglen, nx_driver.of.max_sg_len/sizeof(struct nx_sg)); max_sg_len = min_t(u64, max_sg_len, @@ -114,17 +112,12 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, } do { - /* - * to_process: the SHA256_BLOCK_SIZE data chunk to process in - * this update. This value is also restricted by the sg list - * limits. - */ - to_process = total - to_process; - to_process = to_process & ~(SHA256_BLOCK_SIZE - 1); + int used_sgs = 0; + struct nx_sg *in_sg = nx_ctx->in_sg; if (buf_len) { data_len = buf_len; - in_sg = nx_build_sg_list(nx_ctx->in_sg, + in_sg = nx_build_sg_list(in_sg, (u8 *) sctx->buf, &data_len, max_sg_len); @@ -133,15 +126,27 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, rc = -EINVAL; goto out; } + used_sgs = in_sg - nx_ctx->in_sg; } + /* to_process: SHA256_BLOCK_SIZE aligned chunk to be + * processed in this iteration. This value is restricted + * by sg list limits and number of sgs we already used + * for leftover data. (see above) + * In ideal case, we could allow NX_PAGE_SIZE * max_sg_len, + * but because data may not be aligned, we need to account + * for that too. */ + to_process = min_t(u64, total, + (max_sg_len - 1 - used_sgs) * NX_PAGE_SIZE); + to_process = to_process & ~(SHA256_BLOCK_SIZE - 1); + data_len = to_process - buf_len; in_sg = nx_build_sg_list(in_sg, (u8 *) data, &data_len, max_sg_len); nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); - to_process = (data_len + buf_len); + to_process = data_len + buf_len; leftover = total - to_process; /* diff --git a/drivers/crypto/nx/nx-sha512.c b/drivers/crypto/nx/nx-sha512.c index aff0fe58eac0..b6e183d58d73 100644 --- a/drivers/crypto/nx/nx-sha512.c +++ b/drivers/crypto/nx/nx-sha512.c @@ -71,7 +71,6 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, struct sha512_state *sctx = shash_desc_ctx(desc); struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = (struct nx_csbcpb *)nx_ctx->csbcpb; - struct nx_sg *in_sg; struct nx_sg *out_sg; u64 to_process, leftover = 0, total; unsigned long irq_flags; @@ -97,7 +96,6 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, NX_CPB_FDM(csbcpb) |= NX_FDM_INTERMEDIATE; NX_CPB_FDM(csbcpb) |= NX_FDM_CONTINUATION; - in_sg = nx_ctx->in_sg; max_sg_len = min_t(u64, nx_ctx->ap->sglen, nx_driver.of.max_sg_len/sizeof(struct nx_sg)); max_sg_len = min_t(u64, max_sg_len, @@ -114,18 +112,12 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, } do { - /* - * to_process: the SHA512_BLOCK_SIZE data chunk to process in - * this update. This value is also restricted by the sg list - * limits. - */ - to_process = total - leftover; - to_process = to_process & ~(SHA512_BLOCK_SIZE - 1); - leftover = total - to_process; + int used_sgs = 0; + struct nx_sg *in_sg = nx_ctx->in_sg; if (buf_len) { data_len = buf_len; - in_sg = nx_build_sg_list(nx_ctx->in_sg, + in_sg = nx_build_sg_list(in_sg, (u8 *) sctx->buf, &data_len, max_sg_len); @@ -133,8 +125,20 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, rc = -EINVAL; goto out; } + used_sgs = in_sg - nx_ctx->in_sg; } + /* to_process: SHA512_BLOCK_SIZE aligned chunk to be + * processed in this iteration. This value is restricted + * by sg list limits and number of sgs we already used + * for leftover data. (see above) + * In ideal case, we could allow NX_PAGE_SIZE * max_sg_len, + * but because data may not be aligned, we need to account + * for that too. */ + to_process = min_t(u64, total, + (max_sg_len - 1 - used_sgs) * NX_PAGE_SIZE); + to_process = to_process & ~(SHA512_BLOCK_SIZE - 1); + data_len = to_process - buf_len; in_sg = nx_build_sg_list(in_sg, (u8 *) data, &data_len, max_sg_len); @@ -146,7 +150,7 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, goto out; } - to_process = (data_len + buf_len); + to_process = data_len + buf_len; leftover = total - to_process; /* diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index 067402c7c2a9..df427c0e9e7b 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -73,7 +73,8 @@ ICP_QAT_HW_CIPHER_KEY_CONVERT, \ ICP_QAT_HW_CIPHER_DECRYPT) -static atomic_t active_dev; +static DEFINE_MUTEX(algs_lock); +static unsigned int active_devs; struct qat_alg_buf { uint32_t len; @@ -1280,7 +1281,10 @@ static struct crypto_alg qat_algs[] = { { int qat_algs_register(void) { - if (atomic_add_return(1, &active_dev) == 1) { + int ret = 0; + + mutex_lock(&algs_lock); + if (++active_devs == 1) { int i; for (i = 0; i < ARRAY_SIZE(qat_algs); i++) @@ -1289,21 +1293,25 @@ int qat_algs_register(void) CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC : CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC; - return crypto_register_algs(qat_algs, ARRAY_SIZE(qat_algs)); + ret = crypto_register_algs(qat_algs, ARRAY_SIZE(qat_algs)); } - return 0; + mutex_unlock(&algs_lock); + return ret; } int qat_algs_unregister(void) { - if (atomic_sub_return(1, &active_dev) == 0) - return crypto_unregister_algs(qat_algs, ARRAY_SIZE(qat_algs)); - return 0; + int ret = 0; + + mutex_lock(&algs_lock); + if (--active_devs == 0) + ret = crypto_unregister_algs(qat_algs, ARRAY_SIZE(qat_algs)); + mutex_unlock(&algs_lock); + return ret; } int qat_algs_init(void) { - atomic_set(&active_dev, 0); crypto_get_default_rng(); return 0; } diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c index 7d99d13bacd8..f9901f52a225 100644 --- a/drivers/devfreq/event/exynos-ppmu.c +++ b/drivers/devfreq/event/exynos-ppmu.c @@ -1,7 +1,7 @@ /* * exynos_ppmu.c - EXYNOS PPMU (Platform Performance Monitoring Unit) support * - * Copyright (c) 2014 Samsung Electronics Co., Ltd. + * Copyright (c) 2014-2015 Samsung Electronics Co., Ltd. * Author : Chanwoo Choi <cw00.choi@samsung.com> * * This program is free software; you can redistribute it and/or modify @@ -82,6 +82,15 @@ struct __exynos_ppmu_events { PPMU_EVENT(mscl), PPMU_EVENT(fimd0x), PPMU_EVENT(fimd1x), + + /* Only for Exynos5433 SoCs */ + PPMU_EVENT(d0-cpu), + PPMU_EVENT(d0-general), + PPMU_EVENT(d0-rt), + PPMU_EVENT(d1-cpu), + PPMU_EVENT(d1-general), + PPMU_EVENT(d1-rt), + { /* sentinel */ }, }; @@ -96,6 +105,9 @@ static int exynos_ppmu_find_ppmu_id(struct devfreq_event_dev *edev) return -EINVAL; } +/* + * The devfreq-event ops structure for PPMU v1.1 + */ static int exynos_ppmu_disable(struct devfreq_event_dev *edev) { struct exynos_ppmu *info = devfreq_event_get_drvdata(edev); @@ -200,10 +212,158 @@ static const struct devfreq_event_ops exynos_ppmu_ops = { .get_event = exynos_ppmu_get_event, }; +/* + * The devfreq-event ops structure for PPMU v2.0 + */ +static int exynos_ppmu_v2_disable(struct devfreq_event_dev *edev) +{ + struct exynos_ppmu *info = devfreq_event_get_drvdata(edev); + u32 pmnc, clear; + + /* Disable all counters */ + clear = (PPMU_CCNT_MASK | PPMU_PMCNT0_MASK | PPMU_PMCNT1_MASK + | PPMU_PMCNT2_MASK | PPMU_PMCNT3_MASK); + + __raw_writel(clear, info->ppmu.base + PPMU_V2_FLAG); + __raw_writel(clear, info->ppmu.base + PPMU_V2_INTENC); + __raw_writel(clear, info->ppmu.base + PPMU_V2_CNTENC); + __raw_writel(clear, info->ppmu.base + PPMU_V2_CNT_RESET); + + __raw_writel(0x0, info->ppmu.base + PPMU_V2_CIG_CFG0); + __raw_writel(0x0, info->ppmu.base + PPMU_V2_CIG_CFG1); + __raw_writel(0x0, info->ppmu.base + PPMU_V2_CIG_CFG2); + __raw_writel(0x0, info->ppmu.base + PPMU_V2_CIG_RESULT); + __raw_writel(0x0, info->ppmu.base + PPMU_V2_CNT_AUTO); + __raw_writel(0x0, info->ppmu.base + PPMU_V2_CH_EV0_TYPE); + __raw_writel(0x0, info->ppmu.base + PPMU_V2_CH_EV1_TYPE); + __raw_writel(0x0, info->ppmu.base + PPMU_V2_CH_EV2_TYPE); + __raw_writel(0x0, info->ppmu.base + PPMU_V2_CH_EV3_TYPE); + __raw_writel(0x0, info->ppmu.base + PPMU_V2_SM_ID_V); + __raw_writel(0x0, info->ppmu.base + PPMU_V2_SM_ID_A); + __raw_writel(0x0, info->ppmu.base + PPMU_V2_SM_OTHERS_V); + __raw_writel(0x0, info->ppmu.base + PPMU_V2_SM_OTHERS_A); + __raw_writel(0x0, info->ppmu.base + PPMU_V2_INTERRUPT_RESET); + + /* Disable PPMU */ + pmnc = __raw_readl(info->ppmu.base + PPMU_V2_PMNC); + pmnc &= ~PPMU_PMNC_ENABLE_MASK; + __raw_writel(pmnc, info->ppmu.base + PPMU_V2_PMNC); + + return 0; +} + +static int exynos_ppmu_v2_set_event(struct devfreq_event_dev *edev) +{ + struct exynos_ppmu *info = devfreq_event_get_drvdata(edev); + int id = exynos_ppmu_find_ppmu_id(edev); + u32 pmnc, cntens; + + /* Enable all counters */ + cntens = __raw_readl(info->ppmu.base + PPMU_V2_CNTENS); + cntens |= (PPMU_CCNT_MASK | (PPMU_ENABLE << id)); + __raw_writel(cntens, info->ppmu.base + PPMU_V2_CNTENS); + + /* Set the event of Read/Write data count */ + switch (id) { + case PPMU_PMNCNT0: + case PPMU_PMNCNT1: + case PPMU_PMNCNT2: + __raw_writel(PPMU_V2_RO_DATA_CNT | PPMU_V2_WO_DATA_CNT, + info->ppmu.base + PPMU_V2_CH_EVx_TYPE(id)); + break; + case PPMU_PMNCNT3: + __raw_writel(PPMU_V2_EVT3_RW_DATA_CNT, + info->ppmu.base + PPMU_V2_CH_EVx_TYPE(id)); + break; + } + + /* Reset cycle counter/performance counter and enable PPMU */ + pmnc = __raw_readl(info->ppmu.base + PPMU_V2_PMNC); + pmnc &= ~(PPMU_PMNC_ENABLE_MASK + | PPMU_PMNC_COUNTER_RESET_MASK + | PPMU_PMNC_CC_RESET_MASK + | PPMU_PMNC_CC_DIVIDER_MASK + | PPMU_V2_PMNC_START_MODE_MASK); + pmnc |= (PPMU_ENABLE << PPMU_PMNC_ENABLE_SHIFT); + pmnc |= (PPMU_ENABLE << PPMU_PMNC_COUNTER_RESET_SHIFT); + pmnc |= (PPMU_ENABLE << PPMU_PMNC_CC_RESET_SHIFT); + pmnc |= (PPMU_V2_MODE_MANUAL << PPMU_V2_PMNC_START_MODE_SHIFT); + __raw_writel(pmnc, info->ppmu.base + PPMU_V2_PMNC); + + return 0; +} + +static int exynos_ppmu_v2_get_event(struct devfreq_event_dev *edev, + struct devfreq_event_data *edata) +{ + struct exynos_ppmu *info = devfreq_event_get_drvdata(edev); + int id = exynos_ppmu_find_ppmu_id(edev); + u32 pmnc, cntenc; + u32 pmcnt_high, pmcnt_low; + u64 load_count = 0; + + /* Disable PPMU */ + pmnc = __raw_readl(info->ppmu.base + PPMU_V2_PMNC); + pmnc &= ~PPMU_PMNC_ENABLE_MASK; + __raw_writel(pmnc, info->ppmu.base + PPMU_V2_PMNC); + + /* Read cycle count and performance count */ + edata->total_count = __raw_readl(info->ppmu.base + PPMU_V2_CCNT); + + switch (id) { + case PPMU_PMNCNT0: + case PPMU_PMNCNT1: + case PPMU_PMNCNT2: + load_count = __raw_readl(info->ppmu.base + PPMU_V2_PMNCT(id)); + break; + case PPMU_PMNCNT3: + pmcnt_high = __raw_readl(info->ppmu.base + PPMU_V2_PMCNT3_HIGH); + pmcnt_low = __raw_readl(info->ppmu.base + PPMU_V2_PMCNT3_LOW); + load_count = (u64)((pmcnt_high & 0xff) << 32) + (u64)pmcnt_low; + break; + } + edata->load_count = load_count; + + /* Disable all counters */ + cntenc = __raw_readl(info->ppmu.base + PPMU_V2_CNTENC); + cntenc |= (PPMU_CCNT_MASK | (PPMU_ENABLE << id)); + __raw_writel(cntenc, info->ppmu.base + PPMU_V2_CNTENC); + + dev_dbg(&edev->dev, "%25s (load: %ld / %ld)\n", edev->desc->name, + edata->load_count, edata->total_count); + return 0; +} + +static const struct devfreq_event_ops exynos_ppmu_v2_ops = { + .disable = exynos_ppmu_v2_disable, + .set_event = exynos_ppmu_v2_set_event, + .get_event = exynos_ppmu_v2_get_event, +}; + +static const struct of_device_id exynos_ppmu_id_match[] = { + { + .compatible = "samsung,exynos-ppmu", + .data = (void *)&exynos_ppmu_ops, + }, { + .compatible = "samsung,exynos-ppmu-v2", + .data = (void *)&exynos_ppmu_v2_ops, + }, + { /* sentinel */ }, +}; + +static struct devfreq_event_ops *exynos_bus_get_ops(struct device_node *np) +{ + const struct of_device_id *match; + + match = of_match_node(exynos_ppmu_id_match, np); + return (struct devfreq_event_ops *)match->data; +} + static int of_get_devfreq_events(struct device_node *np, struct exynos_ppmu *info) { struct devfreq_event_desc *desc; + struct devfreq_event_ops *event_ops; struct device *dev = info->dev; struct device_node *events_np, *node; int i, j, count; @@ -214,6 +374,7 @@ static int of_get_devfreq_events(struct device_node *np, "failed to get child node of devfreq-event devices\n"); return -EINVAL; } + event_ops = exynos_bus_get_ops(np); count = of_get_child_count(events_np); desc = devm_kzalloc(dev, sizeof(*desc) * count, GFP_KERNEL); @@ -238,7 +399,7 @@ static int of_get_devfreq_events(struct device_node *np, continue; } - desc[j].ops = &exynos_ppmu_ops; + desc[j].ops = event_ops; desc[j].driver_data = info; of_property_read_string(node, "event-name", &desc[j].name); @@ -354,11 +515,6 @@ static int exynos_ppmu_remove(struct platform_device *pdev) return 0; } -static struct of_device_id exynos_ppmu_id_match[] = { - { .compatible = "samsung,exynos-ppmu", }, - { /* sentinel */ }, -}; - static struct platform_driver exynos_ppmu_driver = { .probe = exynos_ppmu_probe, .remove = exynos_ppmu_remove, diff --git a/drivers/devfreq/event/exynos-ppmu.h b/drivers/devfreq/event/exynos-ppmu.h index 4e831d48c138..05774c449137 100644 --- a/drivers/devfreq/event/exynos-ppmu.h +++ b/drivers/devfreq/event/exynos-ppmu.h @@ -26,6 +26,9 @@ enum ppmu_counter { PPMU_PMNCNT_MAX, }; +/*** + * PPMUv1.1 Definitions + */ enum ppmu_event_type { PPMU_RO_BUSY_CYCLE_CNT = 0x0, PPMU_WO_BUSY_CYCLE_CNT = 0x1, @@ -90,4 +93,71 @@ enum ppmu_reg { #define PPMU_PMNCT(x) (PPMU_PMCNT0 + (0x10 * x)) #define PPMU_BEVTxSEL(x) (PPMU_BEVT0SEL + (0x100 * x)) +/*** + * PPMU_V2.0 definitions + */ +enum ppmu_v2_mode { + PPMU_V2_MODE_MANUAL = 0, + PPMU_V2_MODE_AUTO = 1, + PPMU_V2_MODE_CIG = 2, /* CIG (Conditional Interrupt Generation) */ +}; + +enum ppmu_v2_event_type { + PPMU_V2_RO_DATA_CNT = 0x4, + PPMU_V2_WO_DATA_CNT = 0x5, + + PPMU_V2_EVT3_RW_DATA_CNT = 0x22, /* Only for Event3 */ +}; + +enum ppmu_V2_reg { + /* PPC control register */ + PPMU_V2_PMNC = 0x04, + PPMU_V2_CNTENS = 0x08, + PPMU_V2_CNTENC = 0x0c, + PPMU_V2_INTENS = 0x10, + PPMU_V2_INTENC = 0x14, + PPMU_V2_FLAG = 0x18, + + /* Cycle Counter and Performance Event Counter Register */ + PPMU_V2_CCNT = 0x48, + PPMU_V2_PMCNT0 = 0x34, + PPMU_V2_PMCNT1 = 0x38, + PPMU_V2_PMCNT2 = 0x3c, + PPMU_V2_PMCNT3_LOW = 0x40, + PPMU_V2_PMCNT3_HIGH = 0x44, + + /* Bus Event Generator */ + PPMU_V2_CIG_CFG0 = 0x1c, + PPMU_V2_CIG_CFG1 = 0x20, + PPMU_V2_CIG_CFG2 = 0x24, + PPMU_V2_CIG_RESULT = 0x28, + PPMU_V2_CNT_RESET = 0x2c, + PPMU_V2_CNT_AUTO = 0x30, + PPMU_V2_CH_EV0_TYPE = 0x200, + PPMU_V2_CH_EV1_TYPE = 0x204, + PPMU_V2_CH_EV2_TYPE = 0x208, + PPMU_V2_CH_EV3_TYPE = 0x20c, + PPMU_V2_SM_ID_V = 0x220, + PPMU_V2_SM_ID_A = 0x224, + PPMU_V2_SM_OTHERS_V = 0x228, + PPMU_V2_SM_OTHERS_A = 0x22c, + PPMU_V2_INTERRUPT_RESET = 0x260, +}; + +/* PMNC register */ +#define PPMU_V2_PMNC_START_MODE_SHIFT 20 +#define PPMU_V2_PMNC_START_MODE_MASK (0x3 << PPMU_V2_PMNC_START_MODE_SHIFT) + +#define PPMU_PMNC_CC_RESET_SHIFT 2 +#define PPMU_PMNC_COUNTER_RESET_SHIFT 1 +#define PPMU_PMNC_ENABLE_SHIFT 0 +#define PPMU_PMNC_START_MODE_MASK BIT(16) +#define PPMU_PMNC_CC_DIVIDER_MASK BIT(3) +#define PPMU_PMNC_CC_RESET_MASK BIT(2) +#define PPMU_PMNC_COUNTER_RESET_MASK BIT(1) +#define PPMU_PMNC_ENABLE_MASK BIT(0) + +#define PPMU_V2_PMNCT(x) (PPMU_V2_PMCNT0 + (0x4 * x)) +#define PPMU_V2_CH_EVx_TYPE(x) (PPMU_V2_CH_EV0_TYPE + (0x4 * x)) + #endif /* __EXYNOS_PPMU_H__ */ diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 88d474b78076..bdbbe5bcfb83 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -85,6 +85,14 @@ config INTEL_IOP_ADMA help Enable support for the Intel(R) IOP Series RAID engines. +config IDMA64 + tristate "Intel integrated DMA 64-bit support" + select DMA_ENGINE + select DMA_VIRTUAL_CHANNELS + help + Enable DMA support for Intel Low Power Subsystem such as found on + Intel Skylake PCH. + source "drivers/dma/dw/Kconfig" config AT_HDMAC diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile index 6a4d6f2827da..56ff8c705c00 100644 --- a/drivers/dma/Makefile +++ b/drivers/dma/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_HSU_DMA) += hsu/ obj-$(CONFIG_MPC512X_DMA) += mpc512x_dma.o obj-$(CONFIG_PPC_BESTCOMM) += bestcomm/ obj-$(CONFIG_MV_XOR) += mv_xor.o +obj-$(CONFIG_IDMA64) += idma64.o obj-$(CONFIG_DW_DMAC_CORE) += dw/ obj-$(CONFIG_AT_HDMAC) += at_hdmac.o obj-$(CONFIG_AT_XDMAC) += at_xdmac.o diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 59892126d175..d3629b7482dd 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -48,6 +48,8 @@ BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) |\ BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)) +#define ATC_MAX_DSCR_TRIALS 10 + /* * Initial number of descriptors to allocate for each channel. This could * be increased during dma usage. @@ -285,28 +287,19 @@ static struct at_desc *atc_get_desc_by_cookie(struct at_dma_chan *atchan, * * @current_len: the number of bytes left before reading CTRLA * @ctrla: the value of CTRLA - * @desc: the descriptor containing the transfer width */ -static inline int atc_calc_bytes_left(int current_len, u32 ctrla, - struct at_desc *desc) +static inline int atc_calc_bytes_left(int current_len, u32 ctrla) { - return current_len - ((ctrla & ATC_BTSIZE_MAX) << desc->tx_width); -} + u32 btsize = (ctrla & ATC_BTSIZE_MAX); + u32 src_width = ATC_REG_TO_SRC_WIDTH(ctrla); -/** - * atc_calc_bytes_left_from_reg - calculates the number of bytes left according - * to the current value of CTRLA. - * - * @current_len: the number of bytes left before reading CTRLA - * @atchan: the channel to read CTRLA for - * @desc: the descriptor containing the transfer width - */ -static inline int atc_calc_bytes_left_from_reg(int current_len, - struct at_dma_chan *atchan, struct at_desc *desc) -{ - u32 ctrla = channel_readl(atchan, CTRLA); - - return atc_calc_bytes_left(current_len, ctrla, desc); + /* + * According to the datasheet, when reading the Control A Register + * (ctrla), the Buffer Transfer Size (btsize) bitfield refers to the + * number of transfers completed on the Source Interface. + * So btsize is always a number of source width transfers. + */ + return current_len - (btsize << src_width); } /** @@ -320,7 +313,7 @@ static int atc_get_bytes_left(struct dma_chan *chan, dma_cookie_t cookie) struct at_desc *desc_first = atc_first_active(atchan); struct at_desc *desc; int ret; - u32 ctrla, dscr; + u32 ctrla, dscr, trials; /* * If the cookie doesn't match to the currently running transfer then @@ -346,15 +339,82 @@ static int atc_get_bytes_left(struct dma_chan *chan, dma_cookie_t cookie) * the channel's DSCR register and compare it against the value * of the hardware linked list structure of each child * descriptor. + * + * The CTRLA register provides us with the amount of data + * already read from the source for the current child + * descriptor. So we can compute a more accurate residue by also + * removing the number of bytes corresponding to this amount of + * data. + * + * However, the DSCR and CTRLA registers cannot be read both + * atomically. Hence a race condition may occur: the first read + * register may refer to one child descriptor whereas the second + * read may refer to a later child descriptor in the list + * because of the DMA transfer progression inbetween the two + * reads. + * + * One solution could have been to pause the DMA transfer, read + * the DSCR and CTRLA then resume the DMA transfer. Nonetheless, + * this approach presents some drawbacks: + * - If the DMA transfer is paused, RX overruns or TX underruns + * are more likey to occur depending on the system latency. + * Taking the USART driver as an example, it uses a cyclic DMA + * transfer to read data from the Receive Holding Register + * (RHR) to avoid RX overruns since the RHR is not protected + * by any FIFO on most Atmel SoCs. So pausing the DMA transfer + * to compute the residue would break the USART driver design. + * - The atc_pause() function masks interrupts but we'd rather + * avoid to do so for system latency purpose. + * + * Then we'd rather use another solution: the DSCR is read a + * first time, the CTRLA is read in turn, next the DSCR is read + * a second time. If the two consecutive read values of the DSCR + * are the same then we assume both refers to the very same + * child descriptor as well as the CTRLA value read inbetween + * does. For cyclic tranfers, the assumption is that a full loop + * is "not so fast". + * If the two DSCR values are different, we read again the CTRLA + * then the DSCR till two consecutive read values from DSCR are + * equal or till the maxium trials is reach. + * This algorithm is very unlikely not to find a stable value for + * DSCR. */ - ctrla = channel_readl(atchan, CTRLA); - rmb(); /* ensure CTRLA is read before DSCR */ dscr = channel_readl(atchan, DSCR); + rmb(); /* ensure DSCR is read before CTRLA */ + ctrla = channel_readl(atchan, CTRLA); + for (trials = 0; trials < ATC_MAX_DSCR_TRIALS; ++trials) { + u32 new_dscr; + + rmb(); /* ensure DSCR is read after CTRLA */ + new_dscr = channel_readl(atchan, DSCR); + + /* + * If the DSCR register value has not changed inside the + * DMA controller since the previous read, we assume + * that both the dscr and ctrla values refers to the + * very same descriptor. + */ + if (likely(new_dscr == dscr)) + break; + + /* + * DSCR has changed inside the DMA controller, so the + * previouly read value of CTRLA may refer to an already + * processed descriptor hence could be outdated. + * We need to update ctrla to match the current + * descriptor. + */ + dscr = new_dscr; + rmb(); /* ensure DSCR is read before CTRLA */ + ctrla = channel_readl(atchan, CTRLA); + } + if (unlikely(trials >= ATC_MAX_DSCR_TRIALS)) + return -ETIMEDOUT; /* for the first descriptor we can be more accurate */ if (desc_first->lli.dscr == dscr) - return atc_calc_bytes_left(ret, ctrla, desc_first); + return atc_calc_bytes_left(ret, ctrla); ret -= desc_first->len; list_for_each_entry(desc, &desc_first->tx_list, desc_node) { @@ -365,16 +425,14 @@ static int atc_get_bytes_left(struct dma_chan *chan, dma_cookie_t cookie) } /* - * For the last descriptor in the chain we can calculate + * For the current descriptor in the chain we can calculate * the remaining bytes using the channel's register. - * Note that the transfer width of the first and last - * descriptor may differ. */ - if (!desc->lli.dscr) - ret = atc_calc_bytes_left_from_reg(ret, atchan, desc); + ret = atc_calc_bytes_left(ret, ctrla); } else { /* single transfer */ - ret = atc_calc_bytes_left_from_reg(ret, atchan, desc_first); + ctrla = channel_readl(atchan, CTRLA); + ret = atc_calc_bytes_left(ret, ctrla); } return ret; @@ -726,7 +784,6 @@ atc_prep_dma_interleaved(struct dma_chan *chan, desc->txd.cookie = -EBUSY; desc->total_len = desc->len = len; - desc->tx_width = dwidth; /* set end-of-link to the last link descriptor of list*/ set_desc_eol(desc); @@ -804,10 +861,6 @@ atc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, first->txd.cookie = -EBUSY; first->total_len = len; - /* set transfer width for the calculation of the residue */ - first->tx_width = src_width; - prev->tx_width = src_width; - /* set end-of-link to the last link descriptor of list*/ set_desc_eol(desc); @@ -956,10 +1009,6 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, first->txd.cookie = -EBUSY; first->total_len = total_len; - /* set transfer width for the calculation of the residue */ - first->tx_width = reg_width; - prev->tx_width = reg_width; - /* first link descriptor of list is responsible of flags */ first->txd.flags = flags; /* client is in control of this ack */ @@ -1077,12 +1126,6 @@ atc_prep_dma_sg(struct dma_chan *chan, desc->txd.cookie = 0; desc->len = len; - /* - * Although we only need the transfer width for the first and - * the last descriptor, its easier to set it to all descriptors. - */ - desc->tx_width = src_width; - atc_desc_chain(&first, &prev, desc); /* update the lengths and addresses for the next loop cycle */ @@ -1256,7 +1299,6 @@ atc_prep_dma_cyclic(struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, /* First descriptor of the chain embedds additional information */ first->txd.cookie = -EBUSY; first->total_len = buf_len; - first->tx_width = reg_width; return &first->txd; diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h index bc8d5ebedd19..7f5a08230f76 100644 --- a/drivers/dma/at_hdmac_regs.h +++ b/drivers/dma/at_hdmac_regs.h @@ -112,6 +112,7 @@ #define ATC_SRC_WIDTH_BYTE (0x0 << 24) #define ATC_SRC_WIDTH_HALFWORD (0x1 << 24) #define ATC_SRC_WIDTH_WORD (0x2 << 24) +#define ATC_REG_TO_SRC_WIDTH(r) (((r) >> 24) & 0x3) #define ATC_DST_WIDTH_MASK (0x3 << 28) /* Destination Single Transfer Size */ #define ATC_DST_WIDTH(x) ((x) << 28) #define ATC_DST_WIDTH_BYTE (0x0 << 28) @@ -182,7 +183,6 @@ struct at_lli { * @txd: support for the async_tx api * @desc_node: node on the channed descriptors list * @len: descriptor byte count - * @tx_width: transfer width * @total_len: total transaction byte count */ struct at_desc { @@ -194,7 +194,6 @@ struct at_desc { struct dma_async_tx_descriptor txd; struct list_head desc_node; size_t len; - u32 tx_width; size_t total_len; /* Interleaved data */ diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index cf1213de7865..40afa2a16cfc 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -359,18 +359,19 @@ static void at_xdmac_start_xfer(struct at_xdmac_chan *atchan, * descriptor view 2 since some fields of the configuration register * depend on transfer size and src/dest addresses. */ - if (at_xdmac_chan_is_cyclic(atchan)) { + if (at_xdmac_chan_is_cyclic(atchan)) reg = AT_XDMAC_CNDC_NDVIEW_NDV1; - at_xdmac_chan_write(atchan, AT_XDMAC_CC, first->lld.mbr_cfg); - } else if (first->lld.mbr_ubc & AT_XDMAC_MBR_UBC_NDV3) { + else if (first->lld.mbr_ubc & AT_XDMAC_MBR_UBC_NDV3) reg = AT_XDMAC_CNDC_NDVIEW_NDV3; - } else { - /* - * No need to write AT_XDMAC_CC reg, it will be done when the - * descriptor is fecthed. - */ + else reg = AT_XDMAC_CNDC_NDVIEW_NDV2; - } + /* + * Even if the register will be updated from the configuration in the + * descriptor when using view 2 or higher, the PROT bit won't be set + * properly. This bit can be modified only by using the channel + * configuration register. + */ + at_xdmac_chan_write(atchan, AT_XDMAC_CC, first->lld.mbr_cfg); reg |= AT_XDMAC_CNDC_NDDUP | AT_XDMAC_CNDC_NDSUP @@ -681,15 +682,16 @@ at_xdmac_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, desc->lld.mbr_sa = mem; desc->lld.mbr_da = atchan->sconfig.dst_addr; } - desc->lld.mbr_cfg = atchan->cfg; - dwidth = at_xdmac_get_dwidth(desc->lld.mbr_cfg); + dwidth = at_xdmac_get_dwidth(atchan->cfg); fixed_dwidth = IS_ALIGNED(len, 1 << dwidth) - ? at_xdmac_get_dwidth(desc->lld.mbr_cfg) + ? dwidth : AT_XDMAC_CC_DWIDTH_BYTE; desc->lld.mbr_ubc = AT_XDMAC_MBR_UBC_NDV2 /* next descriptor view */ | AT_XDMAC_MBR_UBC_NDEN /* next descriptor dst parameter update */ | AT_XDMAC_MBR_UBC_NSEN /* next descriptor src parameter update */ | (len >> fixed_dwidth); /* microblock length */ + desc->lld.mbr_cfg = (atchan->cfg & ~AT_XDMAC_CC_DWIDTH_MASK) | + AT_XDMAC_CC_DWIDTH(fixed_dwidth); dev_dbg(chan2dev(chan), "%s: lld: mbr_sa=%pad, mbr_da=%pad, mbr_ubc=0x%08x\n", __func__, &desc->lld.mbr_sa, &desc->lld.mbr_da, desc->lld.mbr_ubc); diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 4a4cce15f25d..3ff284c8e3d5 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -689,6 +689,10 @@ struct dma_chan *dma_request_slave_channel(struct device *dev, struct dma_chan *ch = dma_request_slave_channel_reason(dev, name); if (IS_ERR(ch)) return NULL; + + dma_cap_set(DMA_PRIVATE, ch->device->cap_mask); + ch->device->privatecnt++; + return ch; } EXPORT_SYMBOL_GPL(dma_request_slave_channel); diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 1022c2e1a2b0..cf1c87fa1edd 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -1746,4 +1746,4 @@ EXPORT_SYMBOL_GPL(dw_dma_enable); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller core driver"); MODULE_AUTHOR("Haavard Skinnemoen (Atmel)"); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c new file mode 100644 index 000000000000..18c14e1f1414 --- /dev/null +++ b/drivers/dma/idma64.c @@ -0,0 +1,710 @@ +/* + * Core driver for the Intel integrated DMA 64-bit + * + * Copyright (C) 2015 Intel Corporation + * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/bitops.h> +#include <linux/delay.h> +#include <linux/dmaengine.h> +#include <linux/dma-mapping.h> +#include <linux/dmapool.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +#include "idma64.h" + +/* Platform driver name */ +#define DRV_NAME "idma64" + +/* For now we support only two channels */ +#define IDMA64_NR_CHAN 2 + +/* ---------------------------------------------------------------------- */ + +static struct device *chan2dev(struct dma_chan *chan) +{ + return &chan->dev->device; +} + +/* ---------------------------------------------------------------------- */ + +static void idma64_off(struct idma64 *idma64) +{ + unsigned short count = 100; + + dma_writel(idma64, CFG, 0); + + channel_clear_bit(idma64, MASK(XFER), idma64->all_chan_mask); + channel_clear_bit(idma64, MASK(BLOCK), idma64->all_chan_mask); + channel_clear_bit(idma64, MASK(SRC_TRAN), idma64->all_chan_mask); + channel_clear_bit(idma64, MASK(DST_TRAN), idma64->all_chan_mask); + channel_clear_bit(idma64, MASK(ERROR), idma64->all_chan_mask); + + do { + cpu_relax(); + } while (dma_readl(idma64, CFG) & IDMA64_CFG_DMA_EN && --count); +} + +static void idma64_on(struct idma64 *idma64) +{ + dma_writel(idma64, CFG, IDMA64_CFG_DMA_EN); +} + +/* ---------------------------------------------------------------------- */ + +static void idma64_chan_init(struct idma64 *idma64, struct idma64_chan *idma64c) +{ + u32 cfghi = IDMA64C_CFGH_SRC_PER(1) | IDMA64C_CFGH_DST_PER(0); + u32 cfglo = 0; + + /* Enforce FIFO drain when channel is suspended */ + cfglo |= IDMA64C_CFGL_CH_DRAIN; + + /* Set default burst alignment */ + cfglo |= IDMA64C_CFGL_DST_BURST_ALIGN | IDMA64C_CFGL_SRC_BURST_ALIGN; + + channel_writel(idma64c, CFG_LO, cfglo); + channel_writel(idma64c, CFG_HI, cfghi); + + /* Enable interrupts */ + channel_set_bit(idma64, MASK(XFER), idma64c->mask); + channel_set_bit(idma64, MASK(ERROR), idma64c->mask); + + /* + * Enforce the controller to be turned on. + * + * The iDMA is turned off in ->probe() and looses context during system + * suspend / resume cycle. That's why we have to enable it each time we + * use it. + */ + idma64_on(idma64); +} + +static void idma64_chan_stop(struct idma64 *idma64, struct idma64_chan *idma64c) +{ + channel_clear_bit(idma64, CH_EN, idma64c->mask); +} + +static void idma64_chan_start(struct idma64 *idma64, struct idma64_chan *idma64c) +{ + struct idma64_desc *desc = idma64c->desc; + struct idma64_hw_desc *hw = &desc->hw[0]; + + channel_writeq(idma64c, SAR, 0); + channel_writeq(idma64c, DAR, 0); + + channel_writel(idma64c, CTL_HI, IDMA64C_CTLH_BLOCK_TS(~0UL)); + channel_writel(idma64c, CTL_LO, IDMA64C_CTLL_LLP_S_EN | IDMA64C_CTLL_LLP_D_EN); + + channel_writeq(idma64c, LLP, hw->llp); + + channel_set_bit(idma64, CH_EN, idma64c->mask); +} + +static void idma64_stop_transfer(struct idma64_chan *idma64c) +{ + struct idma64 *idma64 = to_idma64(idma64c->vchan.chan.device); + + idma64_chan_stop(idma64, idma64c); +} + +static void idma64_start_transfer(struct idma64_chan *idma64c) +{ + struct idma64 *idma64 = to_idma64(idma64c->vchan.chan.device); + struct virt_dma_desc *vdesc; + + /* Get the next descriptor */ + vdesc = vchan_next_desc(&idma64c->vchan); + if (!vdesc) { + idma64c->desc = NULL; + return; + } + + list_del(&vdesc->node); + idma64c->desc = to_idma64_desc(vdesc); + + /* Configure the channel */ + idma64_chan_init(idma64, idma64c); + + /* Start the channel with a new descriptor */ + idma64_chan_start(idma64, idma64c); +} + +/* ---------------------------------------------------------------------- */ + +static void idma64_chan_irq(struct idma64 *idma64, unsigned short c, + u32 status_err, u32 status_xfer) +{ + struct idma64_chan *idma64c = &idma64->chan[c]; + struct idma64_desc *desc; + unsigned long flags; + + spin_lock_irqsave(&idma64c->vchan.lock, flags); + desc = idma64c->desc; + if (desc) { + if (status_err & (1 << c)) { + dma_writel(idma64, CLEAR(ERROR), idma64c->mask); + desc->status = DMA_ERROR; + } else if (status_xfer & (1 << c)) { + dma_writel(idma64, CLEAR(XFER), idma64c->mask); + desc->status = DMA_COMPLETE; + vchan_cookie_complete(&desc->vdesc); + idma64_start_transfer(idma64c); + } + + /* idma64_start_transfer() updates idma64c->desc */ + if (idma64c->desc == NULL || desc->status == DMA_ERROR) + idma64_stop_transfer(idma64c); + } + spin_unlock_irqrestore(&idma64c->vchan.lock, flags); +} + +static irqreturn_t idma64_irq(int irq, void *dev) +{ + struct idma64 *idma64 = dev; + u32 status = dma_readl(idma64, STATUS_INT); + u32 status_xfer; + u32 status_err; + unsigned short i; + + dev_vdbg(idma64->dma.dev, "%s: status=%#x\n", __func__, status); + + /* Check if we have any interrupt from the DMA controller */ + if (!status) + return IRQ_NONE; + + /* Disable interrupts */ + channel_clear_bit(idma64, MASK(XFER), idma64->all_chan_mask); + channel_clear_bit(idma64, MASK(ERROR), idma64->all_chan_mask); + + status_xfer = dma_readl(idma64, RAW(XFER)); + status_err = dma_readl(idma64, RAW(ERROR)); + + for (i = 0; i < idma64->dma.chancnt; i++) + idma64_chan_irq(idma64, i, status_err, status_xfer); + + /* Re-enable interrupts */ + channel_set_bit(idma64, MASK(XFER), idma64->all_chan_mask); + channel_set_bit(idma64, MASK(ERROR), idma64->all_chan_mask); + + return IRQ_HANDLED; +} + +/* ---------------------------------------------------------------------- */ + +static struct idma64_desc *idma64_alloc_desc(unsigned int ndesc) +{ + struct idma64_desc *desc; + + desc = kzalloc(sizeof(*desc), GFP_NOWAIT); + if (!desc) + return NULL; + + desc->hw = kcalloc(ndesc, sizeof(*desc->hw), GFP_NOWAIT); + if (!desc->hw) { + kfree(desc); + return NULL; + } + + return desc; +} + +static void idma64_desc_free(struct idma64_chan *idma64c, + struct idma64_desc *desc) +{ + struct idma64_hw_desc *hw; + + if (desc->ndesc) { + unsigned int i = desc->ndesc; + + do { + hw = &desc->hw[--i]; + dma_pool_free(idma64c->pool, hw->lli, hw->llp); + } while (i); + } + + kfree(desc->hw); + kfree(desc); +} + +static void idma64_vdesc_free(struct virt_dma_desc *vdesc) +{ + struct idma64_chan *idma64c = to_idma64_chan(vdesc->tx.chan); + + idma64_desc_free(idma64c, to_idma64_desc(vdesc)); +} + +static u64 idma64_hw_desc_fill(struct idma64_hw_desc *hw, + struct dma_slave_config *config, + enum dma_transfer_direction direction, u64 llp) +{ + struct idma64_lli *lli = hw->lli; + u64 sar, dar; + u32 ctlhi = IDMA64C_CTLH_BLOCK_TS(hw->len); + u32 ctllo = IDMA64C_CTLL_LLP_S_EN | IDMA64C_CTLL_LLP_D_EN; + u32 src_width, dst_width; + + if (direction == DMA_MEM_TO_DEV) { + sar = hw->phys; + dar = config->dst_addr; + ctllo |= IDMA64C_CTLL_DST_FIX | IDMA64C_CTLL_SRC_INC | + IDMA64C_CTLL_FC_M2P; + src_width = min_t(u32, 2, __fls(sar | hw->len)); + dst_width = __fls(config->dst_addr_width); + } else { /* DMA_DEV_TO_MEM */ + sar = config->src_addr; + dar = hw->phys; + ctllo |= IDMA64C_CTLL_DST_INC | IDMA64C_CTLL_SRC_FIX | + IDMA64C_CTLL_FC_P2M; + src_width = __fls(config->src_addr_width); + dst_width = min_t(u32, 2, __fls(dar | hw->len)); + } + + lli->sar = sar; + lli->dar = dar; + + lli->ctlhi = ctlhi; + lli->ctllo = ctllo | + IDMA64C_CTLL_SRC_MSIZE(config->src_maxburst) | + IDMA64C_CTLL_DST_MSIZE(config->dst_maxburst) | + IDMA64C_CTLL_DST_WIDTH(dst_width) | + IDMA64C_CTLL_SRC_WIDTH(src_width); + + lli->llp = llp; + return hw->llp; +} + +static void idma64_desc_fill(struct idma64_chan *idma64c, + struct idma64_desc *desc) +{ + struct dma_slave_config *config = &idma64c->config; + struct idma64_hw_desc *hw = &desc->hw[desc->ndesc - 1]; + struct idma64_lli *lli = hw->lli; + u64 llp = 0; + unsigned int i = desc->ndesc; + + /* Fill the hardware descriptors and link them to a list */ + do { + hw = &desc->hw[--i]; + llp = idma64_hw_desc_fill(hw, config, desc->direction, llp); + desc->length += hw->len; + } while (i); + + /* Trigger interrupt after last block */ + lli->ctllo |= IDMA64C_CTLL_INT_EN; +} + +static struct dma_async_tx_descriptor *idma64_prep_slave_sg( + struct dma_chan *chan, struct scatterlist *sgl, + unsigned int sg_len, enum dma_transfer_direction direction, + unsigned long flags, void *context) +{ + struct idma64_chan *idma64c = to_idma64_chan(chan); + struct idma64_desc *desc; + struct scatterlist *sg; + unsigned int i; + + desc = idma64_alloc_desc(sg_len); + if (!desc) + return NULL; + + for_each_sg(sgl, sg, sg_len, i) { + struct idma64_hw_desc *hw = &desc->hw[i]; + + /* Allocate DMA capable memory for hardware descriptor */ + hw->lli = dma_pool_alloc(idma64c->pool, GFP_NOWAIT, &hw->llp); + if (!hw->lli) { + desc->ndesc = i; + idma64_desc_free(idma64c, desc); + return NULL; + } + + hw->phys = sg_dma_address(sg); + hw->len = sg_dma_len(sg); + } + + desc->ndesc = sg_len; + desc->direction = direction; + desc->status = DMA_IN_PROGRESS; + + idma64_desc_fill(idma64c, desc); + return vchan_tx_prep(&idma64c->vchan, &desc->vdesc, flags); +} + +static void idma64_issue_pending(struct dma_chan *chan) +{ + struct idma64_chan *idma64c = to_idma64_chan(chan); + unsigned long flags; + + spin_lock_irqsave(&idma64c->vchan.lock, flags); + if (vchan_issue_pending(&idma64c->vchan) && !idma64c->desc) + idma64_start_transfer(idma64c); + spin_unlock_irqrestore(&idma64c->vchan.lock, flags); +} + +static size_t idma64_active_desc_size(struct idma64_chan *idma64c) +{ + struct idma64_desc *desc = idma64c->desc; + struct idma64_hw_desc *hw; + size_t bytes = desc->length; + u64 llp; + u32 ctlhi; + unsigned int i = 0; + + llp = channel_readq(idma64c, LLP); + do { + hw = &desc->hw[i]; + } while ((hw->llp != llp) && (++i < desc->ndesc)); + + if (!i) + return bytes; + + do { + bytes -= desc->hw[--i].len; + } while (i); + + ctlhi = channel_readl(idma64c, CTL_HI); + return bytes - IDMA64C_CTLH_BLOCK_TS(ctlhi); +} + +static enum dma_status idma64_tx_status(struct dma_chan *chan, + dma_cookie_t cookie, struct dma_tx_state *state) +{ + struct idma64_chan *idma64c = to_idma64_chan(chan); + struct virt_dma_desc *vdesc; + enum dma_status status; + size_t bytes; + unsigned long flags; + + status = dma_cookie_status(chan, cookie, state); + if (status == DMA_COMPLETE) + return status; + + spin_lock_irqsave(&idma64c->vchan.lock, flags); + vdesc = vchan_find_desc(&idma64c->vchan, cookie); + if (idma64c->desc && cookie == idma64c->desc->vdesc.tx.cookie) { + bytes = idma64_active_desc_size(idma64c); + dma_set_residue(state, bytes); + status = idma64c->desc->status; + } else if (vdesc) { + bytes = to_idma64_desc(vdesc)->length; + dma_set_residue(state, bytes); + } + spin_unlock_irqrestore(&idma64c->vchan.lock, flags); + + return status; +} + +static void convert_burst(u32 *maxburst) +{ + if (*maxburst) + *maxburst = __fls(*maxburst); + else + *maxburst = 0; +} + +static int idma64_slave_config(struct dma_chan *chan, + struct dma_slave_config *config) +{ + struct idma64_chan *idma64c = to_idma64_chan(chan); + + /* Check if chan will be configured for slave transfers */ + if (!is_slave_direction(config->direction)) + return -EINVAL; + + memcpy(&idma64c->config, config, sizeof(idma64c->config)); + + convert_burst(&idma64c->config.src_maxburst); + convert_burst(&idma64c->config.dst_maxburst); + + return 0; +} + +static void idma64_chan_deactivate(struct idma64_chan *idma64c) +{ + unsigned short count = 100; + u32 cfglo; + + cfglo = channel_readl(idma64c, CFG_LO); + channel_writel(idma64c, CFG_LO, cfglo | IDMA64C_CFGL_CH_SUSP); + do { + udelay(1); + cfglo = channel_readl(idma64c, CFG_LO); + } while (!(cfglo & IDMA64C_CFGL_FIFO_EMPTY) && --count); +} + +static void idma64_chan_activate(struct idma64_chan *idma64c) +{ + u32 cfglo; + + cfglo = channel_readl(idma64c, CFG_LO); + channel_writel(idma64c, CFG_LO, cfglo & ~IDMA64C_CFGL_CH_SUSP); +} + +static int idma64_pause(struct dma_chan *chan) +{ + struct idma64_chan *idma64c = to_idma64_chan(chan); + unsigned long flags; + + spin_lock_irqsave(&idma64c->vchan.lock, flags); + if (idma64c->desc && idma64c->desc->status == DMA_IN_PROGRESS) { + idma64_chan_deactivate(idma64c); + idma64c->desc->status = DMA_PAUSED; + } + spin_unlock_irqrestore(&idma64c->vchan.lock, flags); + + return 0; +} + +static int idma64_resume(struct dma_chan *chan) +{ + struct idma64_chan *idma64c = to_idma64_chan(chan); + unsigned long flags; + + spin_lock_irqsave(&idma64c->vchan.lock, flags); + if (idma64c->desc && idma64c->desc->status == DMA_PAUSED) { + idma64c->desc->status = DMA_IN_PROGRESS; + idma64_chan_activate(idma64c); + } + spin_unlock_irqrestore(&idma64c->vchan.lock, flags); + + return 0; +} + +static int idma64_terminate_all(struct dma_chan *chan) +{ + struct idma64_chan *idma64c = to_idma64_chan(chan); + unsigned long flags; + LIST_HEAD(head); + + spin_lock_irqsave(&idma64c->vchan.lock, flags); + idma64_chan_deactivate(idma64c); + idma64_stop_transfer(idma64c); + if (idma64c->desc) { + idma64_vdesc_free(&idma64c->desc->vdesc); + idma64c->desc = NULL; + } + vchan_get_all_descriptors(&idma64c->vchan, &head); + spin_unlock_irqrestore(&idma64c->vchan.lock, flags); + + vchan_dma_desc_free_list(&idma64c->vchan, &head); + return 0; +} + +static int idma64_alloc_chan_resources(struct dma_chan *chan) +{ + struct idma64_chan *idma64c = to_idma64_chan(chan); + + /* Create a pool of consistent memory blocks for hardware descriptors */ + idma64c->pool = dma_pool_create(dev_name(chan2dev(chan)), + chan->device->dev, + sizeof(struct idma64_lli), 8, 0); + if (!idma64c->pool) { + dev_err(chan2dev(chan), "No memory for descriptors\n"); + return -ENOMEM; + } + + return 0; +} + +static void idma64_free_chan_resources(struct dma_chan *chan) +{ + struct idma64_chan *idma64c = to_idma64_chan(chan); + + vchan_free_chan_resources(to_virt_chan(chan)); + dma_pool_destroy(idma64c->pool); + idma64c->pool = NULL; +} + +/* ---------------------------------------------------------------------- */ + +#define IDMA64_BUSWIDTHS \ + BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \ + BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \ + BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) + +static int idma64_probe(struct idma64_chip *chip) +{ + struct idma64 *idma64; + unsigned short nr_chan = IDMA64_NR_CHAN; + unsigned short i; + int ret; + + idma64 = devm_kzalloc(chip->dev, sizeof(*idma64), GFP_KERNEL); + if (!idma64) + return -ENOMEM; + + idma64->regs = chip->regs; + chip->idma64 = idma64; + + idma64->chan = devm_kcalloc(chip->dev, nr_chan, sizeof(*idma64->chan), + GFP_KERNEL); + if (!idma64->chan) + return -ENOMEM; + + idma64->all_chan_mask = (1 << nr_chan) - 1; + + /* Turn off iDMA controller */ + idma64_off(idma64); + + ret = devm_request_irq(chip->dev, chip->irq, idma64_irq, IRQF_SHARED, + dev_name(chip->dev), idma64); + if (ret) + return ret; + + INIT_LIST_HEAD(&idma64->dma.channels); + for (i = 0; i < nr_chan; i++) { + struct idma64_chan *idma64c = &idma64->chan[i]; + + idma64c->vchan.desc_free = idma64_vdesc_free; + vchan_init(&idma64c->vchan, &idma64->dma); + + idma64c->regs = idma64->regs + i * IDMA64_CH_LENGTH; + idma64c->mask = BIT(i); + } + + dma_cap_set(DMA_SLAVE, idma64->dma.cap_mask); + dma_cap_set(DMA_PRIVATE, idma64->dma.cap_mask); + + idma64->dma.device_alloc_chan_resources = idma64_alloc_chan_resources; + idma64->dma.device_free_chan_resources = idma64_free_chan_resources; + + idma64->dma.device_prep_slave_sg = idma64_prep_slave_sg; + + idma64->dma.device_issue_pending = idma64_issue_pending; + idma64->dma.device_tx_status = idma64_tx_status; + + idma64->dma.device_config = idma64_slave_config; + idma64->dma.device_pause = idma64_pause; + idma64->dma.device_resume = idma64_resume; + idma64->dma.device_terminate_all = idma64_terminate_all; + + idma64->dma.src_addr_widths = IDMA64_BUSWIDTHS; + idma64->dma.dst_addr_widths = IDMA64_BUSWIDTHS; + idma64->dma.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); + idma64->dma.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; + + idma64->dma.dev = chip->dev; + + ret = dma_async_device_register(&idma64->dma); + if (ret) + return ret; + + dev_info(chip->dev, "Found Intel integrated DMA 64-bit\n"); + return 0; +} + +static int idma64_remove(struct idma64_chip *chip) +{ + struct idma64 *idma64 = chip->idma64; + unsigned short i; + + dma_async_device_unregister(&idma64->dma); + + /* + * Explicitly call devm_request_irq() to avoid the side effects with + * the scheduled tasklets. + */ + devm_free_irq(chip->dev, chip->irq, idma64); + + for (i = 0; i < idma64->dma.chancnt; i++) { + struct idma64_chan *idma64c = &idma64->chan[i]; + + tasklet_kill(&idma64c->vchan.task); + } + + return 0; +} + +/* ---------------------------------------------------------------------- */ + +static int idma64_platform_probe(struct platform_device *pdev) +{ + struct idma64_chip *chip; + struct device *dev = &pdev->dev; + struct resource *mem; + int ret; + + chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + chip->irq = platform_get_irq(pdev, 0); + if (chip->irq < 0) + return chip->irq; + + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + chip->regs = devm_ioremap_resource(dev, mem); + if (IS_ERR(chip->regs)) + return PTR_ERR(chip->regs); + + ret = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (ret) + return ret; + + chip->dev = dev; + + ret = idma64_probe(chip); + if (ret) + return ret; + + platform_set_drvdata(pdev, chip); + return 0; +} + +static int idma64_platform_remove(struct platform_device *pdev) +{ + struct idma64_chip *chip = platform_get_drvdata(pdev); + + return idma64_remove(chip); +} + +#ifdef CONFIG_PM_SLEEP + +static int idma64_pm_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct idma64_chip *chip = platform_get_drvdata(pdev); + + idma64_off(chip->idma64); + return 0; +} + +static int idma64_pm_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct idma64_chip *chip = platform_get_drvdata(pdev); + + idma64_on(chip->idma64); + return 0; +} + +#endif /* CONFIG_PM_SLEEP */ + +static const struct dev_pm_ops idma64_dev_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(idma64_pm_suspend, idma64_pm_resume) +}; + +static struct platform_driver idma64_platform_driver = { + .probe = idma64_platform_probe, + .remove = idma64_platform_remove, + .driver = { + .name = DRV_NAME, + .pm = &idma64_dev_pm_ops, + }, +}; + +module_platform_driver(idma64_platform_driver); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("iDMA64 core driver"); +MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/drivers/dma/idma64.h b/drivers/dma/idma64.h new file mode 100644 index 000000000000..a4d99685a7c4 --- /dev/null +++ b/drivers/dma/idma64.h @@ -0,0 +1,233 @@ +/* + * Driver for the Intel integrated DMA 64-bit + * + * Copyright (C) 2015 Intel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __DMA_IDMA64_H__ +#define __DMA_IDMA64_H__ + +#include <linux/device.h> +#include <linux/io.h> +#include <linux/spinlock.h> +#include <linux/types.h> + +#include "virt-dma.h" + +/* Channel registers */ + +#define IDMA64_CH_SAR 0x00 /* Source Address Register */ +#define IDMA64_CH_DAR 0x08 /* Destination Address Register */ +#define IDMA64_CH_LLP 0x10 /* Linked List Pointer */ +#define IDMA64_CH_CTL_LO 0x18 /* Control Register Low */ +#define IDMA64_CH_CTL_HI 0x1c /* Control Register High */ +#define IDMA64_CH_SSTAT 0x20 +#define IDMA64_CH_DSTAT 0x28 +#define IDMA64_CH_SSTATAR 0x30 +#define IDMA64_CH_DSTATAR 0x38 +#define IDMA64_CH_CFG_LO 0x40 /* Configuration Register Low */ +#define IDMA64_CH_CFG_HI 0x44 /* Configuration Register High */ +#define IDMA64_CH_SGR 0x48 +#define IDMA64_CH_DSR 0x50 + +#define IDMA64_CH_LENGTH 0x58 + +/* Bitfields in CTL_LO */ +#define IDMA64C_CTLL_INT_EN (1 << 0) /* irqs enabled? */ +#define IDMA64C_CTLL_DST_WIDTH(x) ((x) << 1) /* bytes per element */ +#define IDMA64C_CTLL_SRC_WIDTH(x) ((x) << 4) +#define IDMA64C_CTLL_DST_INC (0 << 8) /* DAR update/not */ +#define IDMA64C_CTLL_DST_FIX (1 << 8) +#define IDMA64C_CTLL_SRC_INC (0 << 10) /* SAR update/not */ +#define IDMA64C_CTLL_SRC_FIX (1 << 10) +#define IDMA64C_CTLL_DST_MSIZE(x) ((x) << 11) /* burst, #elements */ +#define IDMA64C_CTLL_SRC_MSIZE(x) ((x) << 14) +#define IDMA64C_CTLL_FC_M2P (1 << 20) /* mem-to-periph */ +#define IDMA64C_CTLL_FC_P2M (2 << 20) /* periph-to-mem */ +#define IDMA64C_CTLL_LLP_D_EN (1 << 27) /* dest block chain */ +#define IDMA64C_CTLL_LLP_S_EN (1 << 28) /* src block chain */ + +/* Bitfields in CTL_HI */ +#define IDMA64C_CTLH_BLOCK_TS(x) ((x) & ((1 << 17) - 1)) +#define IDMA64C_CTLH_DONE (1 << 17) + +/* Bitfields in CFG_LO */ +#define IDMA64C_CFGL_DST_BURST_ALIGN (1 << 0) /* dst burst align */ +#define IDMA64C_CFGL_SRC_BURST_ALIGN (1 << 1) /* src burst align */ +#define IDMA64C_CFGL_CH_SUSP (1 << 8) +#define IDMA64C_CFGL_FIFO_EMPTY (1 << 9) +#define IDMA64C_CFGL_CH_DRAIN (1 << 10) /* drain FIFO */ +#define IDMA64C_CFGL_DST_OPT_BL (1 << 20) /* optimize dst burst length */ +#define IDMA64C_CFGL_SRC_OPT_BL (1 << 21) /* optimize src burst length */ + +/* Bitfields in CFG_HI */ +#define IDMA64C_CFGH_SRC_PER(x) ((x) << 0) /* src peripheral */ +#define IDMA64C_CFGH_DST_PER(x) ((x) << 4) /* dst peripheral */ +#define IDMA64C_CFGH_RD_ISSUE_THD(x) ((x) << 8) +#define IDMA64C_CFGH_RW_ISSUE_THD(x) ((x) << 18) + +/* Interrupt registers */ + +#define IDMA64_INT_XFER 0x00 +#define IDMA64_INT_BLOCK 0x08 +#define IDMA64_INT_SRC_TRAN 0x10 +#define IDMA64_INT_DST_TRAN 0x18 +#define IDMA64_INT_ERROR 0x20 + +#define IDMA64_RAW(x) (0x2c0 + IDMA64_INT_##x) /* r */ +#define IDMA64_STATUS(x) (0x2e8 + IDMA64_INT_##x) /* r (raw & mask) */ +#define IDMA64_MASK(x) (0x310 + IDMA64_INT_##x) /* rw (set = irq enabled) */ +#define IDMA64_CLEAR(x) (0x338 + IDMA64_INT_##x) /* w (ack, affects "raw") */ + +/* Common registers */ + +#define IDMA64_STATUS_INT 0x360 /* r */ +#define IDMA64_CFG 0x398 +#define IDMA64_CH_EN 0x3a0 + +/* Bitfields in CFG */ +#define IDMA64_CFG_DMA_EN (1 << 0) + +/* Hardware descriptor for Linked LIst transfers */ +struct idma64_lli { + u64 sar; + u64 dar; + u64 llp; + u32 ctllo; + u32 ctlhi; + u32 sstat; + u32 dstat; +}; + +struct idma64_hw_desc { + struct idma64_lli *lli; + dma_addr_t llp; + dma_addr_t phys; + unsigned int len; +}; + +struct idma64_desc { + struct virt_dma_desc vdesc; + enum dma_transfer_direction direction; + struct idma64_hw_desc *hw; + unsigned int ndesc; + size_t length; + enum dma_status status; +}; + +static inline struct idma64_desc *to_idma64_desc(struct virt_dma_desc *vdesc) +{ + return container_of(vdesc, struct idma64_desc, vdesc); +} + +struct idma64_chan { + struct virt_dma_chan vchan; + + void __iomem *regs; + + /* hardware configuration */ + enum dma_transfer_direction direction; + unsigned int mask; + struct dma_slave_config config; + + void *pool; + struct idma64_desc *desc; +}; + +static inline struct idma64_chan *to_idma64_chan(struct dma_chan *chan) +{ + return container_of(chan, struct idma64_chan, vchan.chan); +} + +#define channel_set_bit(idma64, reg, mask) \ + dma_writel(idma64, reg, ((mask) << 8) | (mask)) +#define channel_clear_bit(idma64, reg, mask) \ + dma_writel(idma64, reg, ((mask) << 8) | 0) + +static inline u32 idma64c_readl(struct idma64_chan *idma64c, int offset) +{ + return readl(idma64c->regs + offset); +} + +static inline void idma64c_writel(struct idma64_chan *idma64c, int offset, + u32 value) +{ + writel(value, idma64c->regs + offset); +} + +#define channel_readl(idma64c, reg) \ + idma64c_readl(idma64c, IDMA64_CH_##reg) +#define channel_writel(idma64c, reg, value) \ + idma64c_writel(idma64c, IDMA64_CH_##reg, (value)) + +static inline u64 idma64c_readq(struct idma64_chan *idma64c, int offset) +{ + u64 l, h; + + l = idma64c_readl(idma64c, offset); + h = idma64c_readl(idma64c, offset + 4); + + return l | (h << 32); +} + +static inline void idma64c_writeq(struct idma64_chan *idma64c, int offset, + u64 value) +{ + idma64c_writel(idma64c, offset, value); + idma64c_writel(idma64c, offset + 4, value >> 32); +} + +#define channel_readq(idma64c, reg) \ + idma64c_readq(idma64c, IDMA64_CH_##reg) +#define channel_writeq(idma64c, reg, value) \ + idma64c_writeq(idma64c, IDMA64_CH_##reg, (value)) + +struct idma64 { + struct dma_device dma; + + void __iomem *regs; + + /* channels */ + unsigned short all_chan_mask; + struct idma64_chan *chan; +}; + +static inline struct idma64 *to_idma64(struct dma_device *ddev) +{ + return container_of(ddev, struct idma64, dma); +} + +static inline u32 idma64_readl(struct idma64 *idma64, int offset) +{ + return readl(idma64->regs + offset); +} + +static inline void idma64_writel(struct idma64 *idma64, int offset, u32 value) +{ + writel(value, idma64->regs + offset); +} + +#define dma_readl(idma64, reg) \ + idma64_readl(idma64, IDMA64_##reg) +#define dma_writel(idma64, reg, value) \ + idma64_writel(idma64, IDMA64_##reg, (value)) + +/** + * struct idma64_chip - representation of DesignWare DMA controller hardware + * @dev: struct device of the DMA controller + * @irq: irq line + * @regs: memory mapped I/O space + * @idma64: struct idma64 that is filed by idma64_probe() + */ +struct idma64_chip { + struct device *dev; + int irq; + void __iomem *regs; + struct idma64 *idma64; +}; + +#endif /* __DMA_IDMA64_H__ */ diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c index fbaf1ead2597..f1325f62563e 100644 --- a/drivers/dma/mv_xor.c +++ b/drivers/dma/mv_xor.c @@ -162,10 +162,11 @@ static void mv_chan_set_mode(struct mv_xor_chan *chan, config &= ~0x7; config |= op_mode; - if (IS_ENABLED(__BIG_ENDIAN)) - config |= XOR_DESCRIPTOR_SWAP; - else - config &= ~XOR_DESCRIPTOR_SWAP; +#if defined(__BIG_ENDIAN) + config |= XOR_DESCRIPTOR_SWAP; +#else + config &= ~XOR_DESCRIPTOR_SWAP; +#endif writel_relaxed(config, XOR_CONFIG(chan)); chan->current_type = type; diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index f513f77b1d85..ecab4ea059b4 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2328,7 +2328,7 @@ static dma_cookie_t pl330_tx_submit(struct dma_async_tx_descriptor *tx) desc->txd.callback = last->txd.callback; desc->txd.callback_param = last->txd.callback_param; } - last->last = false; + desc->last = false; dma_cookie_assign(&desc->txd); @@ -2623,6 +2623,7 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, desc->rqcfg.brst_len = 1; desc->rqcfg.brst_len = get_burst_len(desc, len); + desc->bytes_requested = len; desc->txd.flags = flags; diff --git a/drivers/dma/virt-dma.c b/drivers/dma/virt-dma.c index 7d2c17d8d30f..6f80432a3f0a 100644 --- a/drivers/dma/virt-dma.c +++ b/drivers/dma/virt-dma.c @@ -29,7 +29,7 @@ dma_cookie_t vchan_tx_submit(struct dma_async_tx_descriptor *tx) spin_lock_irqsave(&vc->lock, flags); cookie = dma_cookie_assign(tx); - list_move_tail(&vd->node, &vc->desc_submitted); + list_add_tail(&vd->node, &vc->desc_submitted); spin_unlock_irqrestore(&vc->lock, flags); dev_dbg(vc->chan.device->dev, "vchan %p: txd %p[%x]: submitted\n", @@ -83,10 +83,8 @@ static void vchan_complete(unsigned long arg) cb_data = vd->tx.callback_param; list_del(&vd->node); - if (async_tx_test_ack(&vd->tx)) - list_add(&vd->node, &vc->desc_allocated); - else - vc->desc_free(vd); + + vc->desc_free(vd); if (cb) cb(cb_data); @@ -98,13 +96,9 @@ void vchan_dma_desc_free_list(struct virt_dma_chan *vc, struct list_head *head) while (!list_empty(head)) { struct virt_dma_desc *vd = list_first_entry(head, struct virt_dma_desc, node); - if (async_tx_test_ack(&vd->tx)) { - list_move_tail(&vd->node, &vc->desc_allocated); - } else { - dev_dbg(vc->chan.device->dev, "txd %p: freeing\n", vd); - list_del(&vd->node); - vc->desc_free(vd); - } + list_del(&vd->node); + dev_dbg(vc->chan.device->dev, "txd %p: freeing\n", vd); + vc->desc_free(vd); } } EXPORT_SYMBOL_GPL(vchan_dma_desc_free_list); @@ -114,7 +108,6 @@ void vchan_init(struct virt_dma_chan *vc, struct dma_device *dmadev) dma_cookie_init(&vc->chan); spin_lock_init(&vc->lock); - INIT_LIST_HEAD(&vc->desc_allocated); INIT_LIST_HEAD(&vc->desc_submitted); INIT_LIST_HEAD(&vc->desc_issued); INIT_LIST_HEAD(&vc->desc_completed); diff --git a/drivers/dma/virt-dma.h b/drivers/dma/virt-dma.h index 189e75dbcb15..181b95267866 100644 --- a/drivers/dma/virt-dma.h +++ b/drivers/dma/virt-dma.h @@ -29,7 +29,6 @@ struct virt_dma_chan { spinlock_t lock; /* protected by vc.lock */ - struct list_head desc_allocated; struct list_head desc_submitted; struct list_head desc_issued; struct list_head desc_completed; @@ -56,16 +55,11 @@ static inline struct dma_async_tx_descriptor *vchan_tx_prep(struct virt_dma_chan struct virt_dma_desc *vd, unsigned long tx_flags) { extern dma_cookie_t vchan_tx_submit(struct dma_async_tx_descriptor *); - unsigned long flags; dma_async_tx_descriptor_init(&vd->tx, &vc->chan); vd->tx.flags = tx_flags; vd->tx.tx_submit = vchan_tx_submit; - spin_lock_irqsave(&vc->lock, flags); - list_add_tail(&vd->node, &vc->desc_allocated); - spin_unlock_irqrestore(&vc->lock, flags); - return &vd->tx; } @@ -128,8 +122,7 @@ static inline struct virt_dma_desc *vchan_next_desc(struct virt_dma_chan *vc) } /** - * vchan_get_all_descriptors - obtain all allocated, submitted and issued - * descriptors + * vchan_get_all_descriptors - obtain all submitted and issued descriptors * vc: virtual channel to get descriptors from * head: list of descriptors found * @@ -141,7 +134,6 @@ static inline struct virt_dma_desc *vchan_next_desc(struct virt_dma_chan *vc) static inline void vchan_get_all_descriptors(struct virt_dma_chan *vc, struct list_head *head) { - list_splice_tail_init(&vc->desc_allocated, head); list_splice_tail_init(&vc->desc_submitted, head); list_splice_tail_init(&vc->desc_issued, head); list_splice_tail_init(&vc->desc_completed, head); @@ -149,14 +141,11 @@ static inline void vchan_get_all_descriptors(struct virt_dma_chan *vc, static inline void vchan_free_chan_resources(struct virt_dma_chan *vc) { - struct virt_dma_desc *vd; unsigned long flags; LIST_HEAD(head); spin_lock_irqsave(&vc->lock, flags); vchan_get_all_descriptors(vc, &head); - list_for_each_entry(vd, &head, node) - async_tx_clear_ack(&vd->tx); spin_unlock_irqrestore(&vc->lock, flags); vchan_dma_desc_free_list(vc, &head); diff --git a/drivers/dma/xgene-dma.c b/drivers/dma/xgene-dma.c index 620fd55ec766..dff22ab01851 100644 --- a/drivers/dma/xgene-dma.c +++ b/drivers/dma/xgene-dma.c @@ -111,6 +111,7 @@ #define XGENE_DMA_MEM_RAM_SHUTDOWN 0xD070 #define XGENE_DMA_BLK_MEM_RDY 0xD074 #define XGENE_DMA_BLK_MEM_RDY_VAL 0xFFFFFFFF +#define XGENE_DMA_RING_CMD_SM_OFFSET 0x8000 /* X-Gene SoC EFUSE csr register and bit defination */ #define XGENE_SOC_JTAG1_SHADOW 0x18 @@ -1887,6 +1888,8 @@ static int xgene_dma_get_resources(struct platform_device *pdev, return -ENOMEM; } + pdma->csr_ring_cmd += XGENE_DMA_RING_CMD_SM_OFFSET; + /* Get efuse csr region */ res = platform_get_resource(pdev, IORESOURCE_MEM, 3); if (!res) { diff --git a/drivers/edac/ppc4xx_edac.c b/drivers/edac/ppc4xx_edac.c index 3515b381c131..711d8ad74f11 100644 --- a/drivers/edac/ppc4xx_edac.c +++ b/drivers/edac/ppc4xx_edac.c @@ -920,7 +920,7 @@ static int ppc4xx_edac_init_csrows(struct mem_ctl_info *mci, u32 mcopt1) */ for (row = 0; row < mci->nr_csrows; row++) { - struct csrow_info *csi = &mci->csrows[row]; + struct csrow_info *csi = mci->csrows[row]; /* * Get the configuration settings for this diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c index 080d5cc27055..eebdf2a33bfe 100644 --- a/drivers/extcon/extcon-palmas.c +++ b/drivers/extcon/extcon-palmas.c @@ -200,7 +200,6 @@ static int palmas_usb_probe(struct platform_device *pdev) status = devm_extcon_dev_register(&pdev->dev, palmas_usb->edev); if (status) { dev_err(&pdev->dev, "failed to register extcon device\n"); - kfree(palmas_usb->edev->name); return status; } @@ -214,7 +213,6 @@ static int palmas_usb_probe(struct platform_device *pdev) if (status < 0) { dev_err(&pdev->dev, "can't get IRQ %d, err %d\n", palmas_usb->id_irq, status); - kfree(palmas_usb->edev->name); return status; } } @@ -229,7 +227,6 @@ static int palmas_usb_probe(struct platform_device *pdev) if (status < 0) { dev_err(&pdev->dev, "can't get IRQ %d, err %d\n", palmas_usb->vbus_irq, status); - kfree(palmas_usb->edev->name); return status; } } @@ -239,15 +236,6 @@ static int palmas_usb_probe(struct platform_device *pdev) return 0; } -static int palmas_usb_remove(struct platform_device *pdev) -{ - struct palmas_usb *palmas_usb = platform_get_drvdata(pdev); - - kfree(palmas_usb->edev->name); - - return 0; -} - #ifdef CONFIG_PM_SLEEP static int palmas_usb_suspend(struct device *dev) { @@ -288,7 +276,6 @@ static const struct of_device_id of_palmas_match_tbl[] = { static struct platform_driver palmas_usb_driver = { .probe = palmas_usb_probe, - .remove = palmas_usb_remove, .driver = { .name = "palmas-usb", .of_match_table = of_palmas_match_tbl, diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c index 76157ab9faf3..43b57b02d050 100644 --- a/drivers/extcon/extcon.c +++ b/drivers/extcon/extcon.c @@ -124,25 +124,35 @@ static int find_cable_index_by_id(struct extcon_dev *edev, const unsigned int id return -EINVAL; } -static int find_cable_index_by_name(struct extcon_dev *edev, const char *name) +static int find_cable_id_by_name(struct extcon_dev *edev, const char *name) { - unsigned int id = EXTCON_NONE; + unsigned int id = -EINVAL; int i = 0; - if (edev->max_supported == 0) - return -EINVAL; - - /* Find the the number of extcon cable */ + /* Find the id of extcon cable */ while (extcon_name[i]) { if (!strncmp(extcon_name[i], name, CABLE_NAME_MAX)) { id = i; break; } + i++; } - if (id == EXTCON_NONE) + return id; +} + +static int find_cable_index_by_name(struct extcon_dev *edev, const char *name) +{ + unsigned int id; + + if (edev->max_supported == 0) return -EINVAL; + /* Find the the number of extcon cable */ + id = find_cable_id_by_name(edev, name); + if (id < 0) + return id; + return find_cable_index_by_id(edev, id); } @@ -228,9 +238,11 @@ static ssize_t cable_state_show(struct device *dev, struct extcon_cable *cable = container_of(attr, struct extcon_cable, attr_state); + int i = cable->cable_index; + return sprintf(buf, "%d\n", extcon_get_cable_state_(cable->edev, - cable->cable_index)); + cable->edev->supported_cable[i])); } /** @@ -263,20 +275,25 @@ int extcon_update_state(struct extcon_dev *edev, u32 mask, u32 state) spin_lock_irqsave(&edev->lock, flags); if (edev->state != ((edev->state & ~mask) | (state & mask))) { + u32 old_state; + if (check_mutually_exclusive(edev, (edev->state & ~mask) | (state & mask))) { spin_unlock_irqrestore(&edev->lock, flags); return -EPERM; } - for (index = 0; index < edev->max_supported; index++) { - if (is_extcon_changed(edev->state, state, index, &attached)) - raw_notifier_call_chain(&edev->nh[index], attached, edev); - } - + old_state = edev->state; edev->state &= ~mask; edev->state |= state & mask; + for (index = 0; index < edev->max_supported; index++) { + if (is_extcon_changed(old_state, edev->state, index, + &attached)) + raw_notifier_call_chain(&edev->nh[index], + attached, edev); + } + /* This could be in interrupt handler */ prop_buf = (char *)get_zeroed_page(GFP_ATOMIC); if (prop_buf) { @@ -361,8 +378,13 @@ EXPORT_SYMBOL_GPL(extcon_get_cable_state_); */ int extcon_get_cable_state(struct extcon_dev *edev, const char *cable_name) { - return extcon_get_cable_state_(edev, find_cable_index_by_name - (edev, cable_name)); + unsigned int id; + + id = find_cable_id_by_name(edev, cable_name); + if (id < 0) + return id; + + return extcon_get_cable_state_(edev, id); } EXPORT_SYMBOL_GPL(extcon_get_cable_state); @@ -404,8 +426,13 @@ EXPORT_SYMBOL_GPL(extcon_set_cable_state_); int extcon_set_cable_state(struct extcon_dev *edev, const char *cable_name, bool cable_state) { - return extcon_set_cable_state_(edev, find_cable_index_by_name - (edev, cable_name), cable_state); + unsigned int id; + + id = find_cable_id_by_name(edev, cable_name); + if (id < 0) + return id; + + return extcon_set_cable_state_(edev, id, cable_state); } EXPORT_SYMBOL_GPL(extcon_set_cable_state); diff --git a/drivers/firmware/broadcom/bcm47xx_nvram.c b/drivers/firmware/broadcom/bcm47xx_nvram.c index 87add3fdce52..e41594510b97 100644 --- a/drivers/firmware/broadcom/bcm47xx_nvram.c +++ b/drivers/firmware/broadcom/bcm47xx_nvram.c @@ -245,4 +245,4 @@ char *bcm47xx_nvram_get_contents(size_t *nvram_size) } EXPORT_SYMBOL(bcm47xx_nvram_get_contents); -MODULE_LICENSE("GPLv2"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c index 4fd9961d552e..d42537425438 100644 --- a/drivers/firmware/efi/cper.c +++ b/drivers/firmware/efi/cper.c @@ -305,10 +305,17 @@ const char *cper_mem_err_unpack(struct trace_seq *p, return ret; } -static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem) +static void cper_print_mem(const char *pfx, const struct cper_sec_mem_err *mem, + int len) { struct cper_mem_err_compact cmem; + /* Don't trust UEFI 2.1/2.2 structure with bad validation bits */ + if (len == sizeof(struct cper_sec_mem_err_old) && + (mem->validation_bits & ~(CPER_MEM_VALID_RANK_NUMBER - 1))) { + pr_err(FW_WARN "valid bits set for fields beyond structure\n"); + return; + } if (mem->validation_bits & CPER_MEM_VALID_ERROR_STATUS) printk("%s""error_status: 0x%016llx\n", pfx, mem->error_status); if (mem->validation_bits & CPER_MEM_VALID_PA) @@ -405,8 +412,10 @@ static void cper_estatus_print_section( } else if (!uuid_le_cmp(*sec_type, CPER_SEC_PLATFORM_MEM)) { struct cper_sec_mem_err *mem_err = (void *)(gdata + 1); printk("%s""section_type: memory error\n", newpfx); - if (gdata->error_data_length >= sizeof(*mem_err)) - cper_print_mem(newpfx, mem_err); + if (gdata->error_data_length >= + sizeof(struct cper_sec_mem_err_old)) + cper_print_mem(newpfx, mem_err, + gdata->error_data_length); else goto err_section_too_small; } else if (!uuid_le_cmp(*sec_type, CPER_SEC_PCIE)) { diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 9fa8084a7c8d..d6144e3b97c5 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -58,6 +58,11 @@ bool efi_runtime_disabled(void) static int __init parse_efi_cmdline(char *str) { + if (!str) { + pr_warn("need at least one option\n"); + return -EINVAL; + } + if (parse_option_str(str, "noruntime")) disable_runtime = true; diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c index 7a3cb1fa0a76..4630a8133ea6 100644 --- a/drivers/gpio/gpio-brcmstb.c +++ b/drivers/gpio/gpio-brcmstb.c @@ -87,6 +87,15 @@ static int brcmstb_gpio_remove(struct platform_device *pdev) struct brcmstb_gpio_bank *bank; int ret = 0; + if (!priv) { + dev_err(&pdev->dev, "called %s without drvdata!\n", __func__); + return -EFAULT; + } + + /* + * You can lose return values below, but we report all errors, and it's + * more important to actually perform all of the steps. + */ list_for_each(pos, &priv->bank_list) { bank = list_entry(pos, struct brcmstb_gpio_bank, node); ret = bgpio_remove(&bank->bgc); @@ -143,6 +152,8 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; + platform_set_drvdata(pdev, priv); + INIT_LIST_HEAD(&priv->bank_list); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg_base = devm_ioremap_resource(dev, res); @@ -153,7 +164,6 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) priv->reg_base = reg_base; priv->pdev = pdev; - INIT_LIST_HEAD(&priv->bank_list); if (brcmstb_gpio_sanity_check_banks(dev, np, res)) return -EINVAL; @@ -221,8 +231,6 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) dev_info(dev, "Registered %d banks (GPIO(s): %d-%d)\n", priv->num_banks, priv->gpio_base, gpio_base - 1); - platform_set_drvdata(pdev, priv); - return 0; fail: diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index c5e05c82d67c..c246ac3dda7c 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -578,15 +578,13 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev) writel_relaxed(~0, &g->clr_falling); writel_relaxed(~0, &g->clr_rising); - /* set up all irqs in this bank */ - irq_set_chained_handler(bank_irq, gpio_irq_handler); - /* * Each chip handles 32 gpios, and each irq bank consists of 16 * gpio irqs. Pass the irq bank's corresponding controller to * the chained irq handler. */ - irq_set_handler_data(bank_irq, &chips[gpio / 32]); + irq_set_chained_handler_and_data(bank_irq, gpio_irq_handler, + &chips[gpio / 32]); binten |= BIT(bank); } diff --git a/drivers/gpio/gpio-max732x.c b/drivers/gpio/gpio-max732x.c index aed4ca9338bc..7d3c90e9da71 100644 --- a/drivers/gpio/gpio-max732x.c +++ b/drivers/gpio/gpio-max732x.c @@ -603,6 +603,7 @@ static int max732x_setup_gpio(struct max732x_chip *chip, gc->base = gpio_start; gc->ngpio = port; gc->label = chip->client->name; + gc->dev = &chip->client->dev; gc->owner = THIS_MODULE; return port; diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index b0c57d505be7..61a731ff9a07 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -500,8 +500,10 @@ static int omap_gpio_irq_type(struct irq_data *d, unsigned type) spin_lock_irqsave(&bank->lock, flags); retval = omap_set_gpio_triggering(bank, offset, type); - if (retval) + if (retval) { + spin_unlock_irqrestore(&bank->lock, flags); goto error; + } omap_gpio_init_irq(bank, offset); if (!omap_gpio_is_input(bank, offset)) { spin_unlock_irqrestore(&bank->lock, flags); @@ -1185,6 +1187,7 @@ static int omap_gpio_probe(struct platform_device *pdev) bank->irq = res->start; bank->dev = dev; bank->chip.dev = dev; + bank->chip.owner = THIS_MODULE; bank->dbck_flag = pdata->dbck_flag; bank->stride = pdata->bank_stride; bank->width = pdata->bank_width; diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index d233eb3b8132..50caeb1ee350 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -570,6 +570,10 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, "could not connect irqchip to gpiochip\n"); return ret; } + + gpiochip_set_chained_irqchip(&chip->gpio_chip, + &pca953x_irq_chip, + client->irq, NULL); } return 0; diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c index 77fe5d3cb105..d5284dfe01fe 100644 --- a/drivers/gpio/gpio-xilinx.c +++ b/drivers/gpio/gpio-xilinx.c @@ -220,9 +220,9 @@ static void xgpio_save_regs(struct of_mm_gpio_chip *mm_gc) if (!chip->gpio_width[1]) return; - xgpio_writereg(mm_gc->regs + XGPIO_DATA_OFFSET + XGPIO_TRI_OFFSET, + xgpio_writereg(mm_gc->regs + XGPIO_DATA_OFFSET + XGPIO_CHANNEL_OFFSET, chip->gpio_state[1]); - xgpio_writereg(mm_gc->regs + XGPIO_TRI_OFFSET + XGPIO_TRI_OFFSET, + xgpio_writereg(mm_gc->regs + XGPIO_TRI_OFFSET + XGPIO_CHANNEL_OFFSET, chip->gpio_dir[1]); } diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 2e87c4b8da26..a78882389836 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -757,6 +757,7 @@ static int zynq_gpio_remove(struct platform_device *pdev) gpiochip_remove(&gpio->chip); clk_disable_unprepare(gpio->clk); device_set_wakeup_capable(&pdev->dev, 0); + pm_runtime_disable(&pdev->dev); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 01657830b470..f7b49d5ce4b8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1130,6 +1130,9 @@ struct amdgpu_gfx { uint32_t me_feature_version; uint32_t ce_feature_version; uint32_t pfp_feature_version; + uint32_t rlc_feature_version; + uint32_t mec_feature_version; + uint32_t mec2_feature_version; struct amdgpu_ring gfx_ring[AMDGPU_MAX_GFX_RINGS]; unsigned num_gfx_rings; struct amdgpu_ring compute_ring[AMDGPU_MAX_COMPUTE_RINGS]; @@ -1614,6 +1617,9 @@ struct amdgpu_uvd { #define AMDGPU_MAX_VCE_HANDLES 16 #define AMDGPU_VCE_FIRMWARE_OFFSET 256 +#define AMDGPU_VCE_HARVEST_VCE0 (1 << 0) +#define AMDGPU_VCE_HARVEST_VCE1 (1 << 1) + struct amdgpu_vce { struct amdgpu_bo *vcpu_bo; uint64_t gpu_addr; @@ -1626,6 +1632,7 @@ struct amdgpu_vce { const struct firmware *fw; /* VCE firmware */ struct amdgpu_ring ring[AMDGPU_MAX_VCE_RINGS]; struct amdgpu_irq_src irq; + unsigned harvest_config; }; /* @@ -1635,6 +1642,7 @@ struct amdgpu_sdma { /* SDMA firmware */ const struct firmware *fw; uint32_t fw_version; + uint32_t feature_version; struct amdgpu_ring ring; }; @@ -1862,6 +1870,12 @@ typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t); typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t); typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t); +struct amdgpu_ip_block_status { + bool valid; + bool sw; + bool hw; +}; + struct amdgpu_device { struct device *dev; struct drm_device *ddev; @@ -2004,7 +2018,7 @@ struct amdgpu_device { const struct amdgpu_ip_block_version *ip_blocks; int num_ip_blocks; - bool *ip_block_enabled; + struct amdgpu_ip_block_status *ip_block_status; struct mutex mn_lock; DECLARE_HASHTABLE(mn_hash, 7); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index d63135bf29c0..1f040d85ac47 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -669,6 +669,7 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev, static int amdgpu_cs_dependencies(struct amdgpu_device *adev, struct amdgpu_cs_parser *p) { + struct amdgpu_fpriv *fpriv = p->filp->driver_priv; struct amdgpu_ib *ib; int i, j, r; @@ -694,6 +695,7 @@ static int amdgpu_cs_dependencies(struct amdgpu_device *adev, for (j = 0; j < num_deps; ++j) { struct amdgpu_fence *fence; struct amdgpu_ring *ring; + struct amdgpu_ctx *ctx; r = amdgpu_cs_get_ring(adev, deps[j].ip_type, deps[j].ip_instance, @@ -701,14 +703,21 @@ static int amdgpu_cs_dependencies(struct amdgpu_device *adev, if (r) return r; + ctx = amdgpu_ctx_get(fpriv, deps[j].ctx_id); + if (ctx == NULL) + return -EINVAL; + r = amdgpu_fence_recreate(ring, p->filp, deps[j].handle, &fence); - if (r) + if (r) { + amdgpu_ctx_put(ctx); return r; + } amdgpu_sync_fence(&ib->sync, fence); amdgpu_fence_unref(&fence); + amdgpu_ctx_put(ctx); } } @@ -808,12 +817,16 @@ int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, r = amdgpu_cs_get_ring(adev, wait->in.ip_type, wait->in.ip_instance, wait->in.ring, &ring); - if (r) + if (r) { + amdgpu_ctx_put(ctx); return r; + } r = amdgpu_fence_recreate(ring, filp, wait->in.handle, &fence); - if (r) + if (r) { + amdgpu_ctx_put(ctx); return r; + } r = fence_wait_timeout(&fence->base, true, timeout); amdgpu_fence_unref(&fence); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index ba46be361c9b..99f158e1baff 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1191,8 +1191,9 @@ static int amdgpu_early_init(struct amdgpu_device *adev) return -EINVAL; } - adev->ip_block_enabled = kcalloc(adev->num_ip_blocks, sizeof(bool), GFP_KERNEL); - if (adev->ip_block_enabled == NULL) + adev->ip_block_status = kcalloc(adev->num_ip_blocks, + sizeof(struct amdgpu_ip_block_status), GFP_KERNEL); + if (adev->ip_block_status == NULL) return -ENOMEM; if (adev->ip_blocks == NULL) { @@ -1203,14 +1204,19 @@ static int amdgpu_early_init(struct amdgpu_device *adev) for (i = 0; i < adev->num_ip_blocks; i++) { if ((amdgpu_ip_block_mask & (1 << i)) == 0) { DRM_ERROR("disabled ip block: %d\n", i); - adev->ip_block_enabled[i] = false; + adev->ip_block_status[i].valid = false; } else { if (adev->ip_blocks[i].funcs->early_init) { r = adev->ip_blocks[i].funcs->early_init((void *)adev); - if (r) + if (r == -ENOENT) + adev->ip_block_status[i].valid = false; + else if (r) return r; + else + adev->ip_block_status[i].valid = true; + } else { + adev->ip_block_status[i].valid = true; } - adev->ip_block_enabled[i] = true; } } @@ -1222,11 +1228,12 @@ static int amdgpu_init(struct amdgpu_device *adev) int i, r; for (i = 0; i < adev->num_ip_blocks; i++) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].valid) continue; r = adev->ip_blocks[i].funcs->sw_init((void *)adev); if (r) return r; + adev->ip_block_status[i].sw = true; /* need to do gmc hw init early so we can allocate gpu mem */ if (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_GMC) { r = amdgpu_vram_scratch_init(adev); @@ -1238,11 +1245,12 @@ static int amdgpu_init(struct amdgpu_device *adev) r = amdgpu_wb_init(adev); if (r) return r; + adev->ip_block_status[i].hw = true; } } for (i = 0; i < adev->num_ip_blocks; i++) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].sw) continue; /* gmc hw init is done early */ if (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_GMC) @@ -1250,6 +1258,7 @@ static int amdgpu_init(struct amdgpu_device *adev) r = adev->ip_blocks[i].funcs->hw_init((void *)adev); if (r) return r; + adev->ip_block_status[i].hw = true; } return 0; @@ -1260,7 +1269,7 @@ static int amdgpu_late_init(struct amdgpu_device *adev) int i = 0, r; for (i = 0; i < adev->num_ip_blocks; i++) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].valid) continue; /* enable clockgating to save power */ r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev, @@ -1282,7 +1291,7 @@ static int amdgpu_fini(struct amdgpu_device *adev) int i, r; for (i = adev->num_ip_blocks - 1; i >= 0; i--) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].hw) continue; if (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_GMC) { amdgpu_wb_fini(adev); @@ -1295,14 +1304,16 @@ static int amdgpu_fini(struct amdgpu_device *adev) return r; r = adev->ip_blocks[i].funcs->hw_fini((void *)adev); /* XXX handle errors */ + adev->ip_block_status[i].hw = false; } for (i = adev->num_ip_blocks - 1; i >= 0; i--) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].sw) continue; r = adev->ip_blocks[i].funcs->sw_fini((void *)adev); /* XXX handle errors */ - adev->ip_block_enabled[i] = false; + adev->ip_block_status[i].sw = false; + adev->ip_block_status[i].valid = false; } return 0; @@ -1313,7 +1324,7 @@ static int amdgpu_suspend(struct amdgpu_device *adev) int i, r; for (i = adev->num_ip_blocks - 1; i >= 0; i--) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].valid) continue; /* ungate blocks so that suspend can properly shut them down */ r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev, @@ -1331,7 +1342,7 @@ static int amdgpu_resume(struct amdgpu_device *adev) int i, r; for (i = 0; i < adev->num_ip_blocks; i++) { - if (!adev->ip_block_enabled[i]) + if (!adev->ip_block_status[i].valid) continue; r = adev->ip_blocks[i].funcs->resume(adev); if (r) @@ -1577,8 +1588,8 @@ void amdgpu_device_fini(struct amdgpu_device *adev) amdgpu_fence_driver_fini(adev); amdgpu_fbdev_fini(adev); r = amdgpu_fini(adev); - kfree(adev->ip_block_enabled); - adev->ip_block_enabled = NULL; + kfree(adev->ip_block_status); + adev->ip_block_status = NULL; adev->accel_working = false; /* free i2c buses */ amdgpu_i2c_fini(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index ae43b58c9733..4afc507820c0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -449,7 +449,7 @@ out: * vital here, so they are not reported back to userspace. */ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev, - struct amdgpu_bo_va *bo_va) + struct amdgpu_bo_va *bo_va, uint32_t operation) { struct ttm_validate_buffer tv, *entry; struct amdgpu_bo_list_entry *vm_bos; @@ -485,7 +485,9 @@ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev, if (r) goto error_unlock; - r = amdgpu_vm_bo_update(adev, bo_va, &bo_va->bo->tbo.mem); + + if (operation == AMDGPU_VA_OP_MAP) + r = amdgpu_vm_bo_update(adev, bo_va, &bo_va->bo->tbo.mem); error_unlock: mutex_unlock(&bo_va->vm->mutex); @@ -580,7 +582,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, } if (!r && !(args->flags & AMDGPU_VM_DELAY_UPDATE)) - amdgpu_gem_va_update_vm(adev, bo_va); + amdgpu_gem_va_update_vm(adev, bo_va, args->operation); drm_gem_object_unreference_unlocked(gobj); return r; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 52dff75aac6f..bc0fac618a3f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -180,16 +180,16 @@ int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs, if (vm) { /* do context switch */ amdgpu_vm_flush(ring, vm, ib->sync.last_vm_update); - } - if (vm && ring->funcs->emit_gds_switch) - amdgpu_ring_emit_gds_switch(ring, ib->vm->ids[ring->idx].id, - ib->gds_base, ib->gds_size, - ib->gws_base, ib->gws_size, - ib->oa_base, ib->oa_size); + if (ring->funcs->emit_gds_switch) + amdgpu_ring_emit_gds_switch(ring, ib->vm->ids[ring->idx].id, + ib->gds_base, ib->gds_size, + ib->gws_base, ib->gws_size, + ib->oa_base, ib->oa_size); - if (ring->funcs->emit_hdp_flush) - amdgpu_ring_emit_hdp_flush(ring); + if (ring->funcs->emit_hdp_flush) + amdgpu_ring_emit_hdp_flush(ring); + } old_ctx = ring->current_ctx; for (i = 0; i < num_ibs; ++i) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 5533434c7a8f..3bfe67de8349 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -235,7 +235,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file for (i = 0; i < adev->num_ip_blocks; i++) { if (adev->ip_blocks[i].type == type && - adev->ip_block_enabled[i]) { + adev->ip_block_status[i].valid) { ip.hw_ip_version_major = adev->ip_blocks[i].major; ip.hw_ip_version_minor = adev->ip_blocks[i].minor; ip.capabilities_flags = 0; @@ -274,7 +274,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file for (i = 0; i < adev->num_ip_blocks; i++) if (adev->ip_blocks[i].type == type && - adev->ip_block_enabled[i] && + adev->ip_block_status[i].valid && count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT) count++; @@ -317,16 +317,17 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file break; case AMDGPU_INFO_FW_GFX_RLC: fw_info.ver = adev->gfx.rlc_fw_version; - fw_info.feature = 0; + fw_info.feature = adev->gfx.rlc_feature_version; break; case AMDGPU_INFO_FW_GFX_MEC: - if (info->query_fw.index == 0) + if (info->query_fw.index == 0) { fw_info.ver = adev->gfx.mec_fw_version; - else if (info->query_fw.index == 1) + fw_info.feature = adev->gfx.mec_feature_version; + } else if (info->query_fw.index == 1) { fw_info.ver = adev->gfx.mec2_fw_version; - else + fw_info.feature = adev->gfx.mec2_feature_version; + } else return -EINVAL; - fw_info.feature = 0; break; case AMDGPU_INFO_FW_SMC: fw_info.ver = adev->pm.fw_version; @@ -336,7 +337,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file if (info->query_fw.index >= 2) return -EINVAL; fw_info.ver = adev->sdma[info->query_fw.index].fw_version; - fw_info.feature = 0; + fw_info.feature = adev->sdma[info->query_fw.index].feature_version; break; default: return -EINVAL; @@ -416,7 +417,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file return n ? -EFAULT : 0; } case AMDGPU_INFO_DEV_INFO: { - struct drm_amdgpu_info_device dev_info; + struct drm_amdgpu_info_device dev_info = {}; struct amdgpu_cu_info cu_info; dev_info.device_id = dev->pdev->device; @@ -459,6 +460,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file memcpy(&dev_info.cu_bitmap[0], &cu_info.bitmap[0], sizeof(cu_info.bitmap)); dev_info.vram_type = adev->mc.vram_type; dev_info.vram_bit_width = adev->mc.vram_width; + dev_info.vce_harvest_config = adev->vce.harvest_config; return copy_to_user(out, &dev_info, min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index 2f7a5efa21c2..f5c22556ec2c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -374,7 +374,7 @@ static int amdgpu_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[]) unsigned height_in_mb = ALIGN(height / 16, 2); unsigned fs_in_mb = width_in_mb * height_in_mb; - unsigned image_size, tmp, min_dpb_size, num_dpb_buffer; + unsigned image_size, tmp, min_dpb_size, num_dpb_buffer, min_ctx_size; image_size = width * height; image_size += image_size / 2; @@ -466,6 +466,8 @@ static int amdgpu_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[]) num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2; min_dpb_size = image_size * num_dpb_buffer; + min_ctx_size = ((width + 255) / 16) * ((height + 255) / 16) + * 16 * num_dpb_buffer + 52 * 1024; break; default: @@ -486,6 +488,7 @@ static int amdgpu_uvd_cs_msg_decode(uint32_t *msg, unsigned buf_sizes[]) buf_sizes[0x1] = dpb_size; buf_sizes[0x2] = image_size; + buf_sizes[0x4] = min_ctx_size; return 0; } @@ -628,6 +631,13 @@ static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx) return -EINVAL; } + } else if (cmd == 0x206) { + if ((end - start) < ctx->buf_sizes[4]) { + DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd, + (unsigned)(end - start), + ctx->buf_sizes[4]); + return -EINVAL; + } } else if ((cmd != 0x100) && (cmd != 0x204)) { DRM_ERROR("invalid UVD command %X!\n", cmd); return -EINVAL; @@ -755,9 +765,10 @@ int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx) struct amdgpu_uvd_cs_ctx ctx = {}; unsigned buf_sizes[] = { [0x00000000] = 2048, - [0x00000001] = 32 * 1024 * 1024, - [0x00000002] = 2048 * 1152 * 3, + [0x00000001] = 0xFFFFFFFF, + [0x00000002] = 0xFFFFFFFF, [0x00000003] = 2048, + [0x00000004] = 0xFFFFFFFF, }; struct amdgpu_ib *ib = &parser->ibs[ib_idx]; int r; diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c index ab83cc1ca4cc..15df46c93f0a 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c @@ -500,6 +500,7 @@ static int cik_sdma_load_microcode(struct amdgpu_device *adev) amdgpu_ucode_print_sdma_hdr(&hdr->header); fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; adev->sdma[i].fw_version = le32_to_cpu(hdr->header.ucode_version); + adev->sdma[i].feature_version = le32_to_cpu(hdr->ucode_feature_version); fw_data = (const __le32 *) (adev->sdma[i].fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], 0); diff --git a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c index f75a31df30bd..ace870afc7d4 100644 --- a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c @@ -494,29 +494,67 @@ static void cz_dpm_fini(struct amdgpu_device *adev) amdgpu_free_extended_power_table(adev); } +#define ixSMUSVI_NB_CURRENTVID 0xD8230044 +#define CURRENT_NB_VID_MASK 0xff000000 +#define CURRENT_NB_VID__SHIFT 24 +#define ixSMUSVI_GFX_CURRENTVID 0xD8230048 +#define CURRENT_GFX_VID_MASK 0xff000000 +#define CURRENT_GFX_VID__SHIFT 24 + static void cz_dpm_debugfs_print_current_performance_level(struct amdgpu_device *adev, struct seq_file *m) { + struct cz_power_info *pi = cz_get_pi(adev); struct amdgpu_clock_voltage_dependency_table *table = &adev->pm.dpm.dyn_state.vddc_dependency_on_sclk; - u32 current_index = - (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) & - TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >> - TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT; - u32 sclk, tmp; - u16 vddc; - - if (current_index >= NUM_SCLK_LEVELS) { - seq_printf(m, "invalid dpm profile %d\n", current_index); + struct amdgpu_uvd_clock_voltage_dependency_table *uvd_table = + &adev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table; + struct amdgpu_vce_clock_voltage_dependency_table *vce_table = + &adev->pm.dpm.dyn_state.vce_clock_voltage_dependency_table; + u32 sclk_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX), + TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX); + u32 uvd_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_2), + TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_UVD_INDEX); + u32 vce_index = REG_GET_FIELD(RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX_2), + TARGET_AND_CURRENT_PROFILE_INDEX_2, CURR_VCE_INDEX); + u32 sclk, vclk, dclk, ecclk, tmp; + u16 vddnb, vddgfx; + + if (sclk_index >= NUM_SCLK_LEVELS) { + seq_printf(m, "invalid sclk dpm profile %d\n", sclk_index); } else { - sclk = table->entries[current_index].clk; - tmp = (RREG32_SMC(ixSMU_VOLTAGE_STATUS) & - SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL_MASK) >> - SMU_VOLTAGE_STATUS__SMU_VOLTAGE_CURRENT_LEVEL__SHIFT; - vddc = cz_convert_8bit_index_to_voltage(adev, (u16)tmp); - seq_printf(m, "power level %d sclk: %u vddc: %u\n", - current_index, sclk, vddc); + sclk = table->entries[sclk_index].clk; + seq_printf(m, "%u sclk: %u\n", sclk_index, sclk); + } + + tmp = (RREG32_SMC(ixSMUSVI_NB_CURRENTVID) & + CURRENT_NB_VID_MASK) >> CURRENT_NB_VID__SHIFT; + vddnb = cz_convert_8bit_index_to_voltage(adev, (u16)tmp); + tmp = (RREG32_SMC(ixSMUSVI_GFX_CURRENTVID) & + CURRENT_GFX_VID_MASK) >> CURRENT_GFX_VID__SHIFT; + vddgfx = cz_convert_8bit_index_to_voltage(adev, (u16)tmp); + seq_printf(m, "vddnb: %u vddgfx: %u\n", vddnb, vddgfx); + + seq_printf(m, "uvd %sabled\n", pi->uvd_power_gated ? "dis" : "en"); + if (!pi->uvd_power_gated) { + if (uvd_index >= CZ_MAX_HARDWARE_POWERLEVELS) { + seq_printf(m, "invalid uvd dpm level %d\n", uvd_index); + } else { + vclk = uvd_table->entries[uvd_index].vclk; + dclk = uvd_table->entries[uvd_index].dclk; + seq_printf(m, "%u uvd vclk: %u dclk: %u\n", uvd_index, vclk, dclk); + } + } + + seq_printf(m, "vce %sabled\n", pi->vce_power_gated ? "dis" : "en"); + if (!pi->vce_power_gated) { + if (vce_index >= CZ_MAX_HARDWARE_POWERLEVELS) { + seq_printf(m, "invalid vce dpm level %d\n", vce_index); + } else { + ecclk = vce_table->entries[vce_index].ecclk; + seq_printf(m, "%u vce ecclk: %u\n", vce_index, ecclk); + } } } @@ -1679,25 +1717,31 @@ static int cz_dpm_unforce_dpm_levels(struct amdgpu_device *adev) if (ret) return ret; - DRM_INFO("DPM unforce state min=%d, max=%d.\n", - pi->sclk_dpm.soft_min_clk, - pi->sclk_dpm.soft_max_clk); + DRM_DEBUG("DPM unforce state min=%d, max=%d.\n", + pi->sclk_dpm.soft_min_clk, + pi->sclk_dpm.soft_max_clk); return 0; } static int cz_dpm_force_dpm_level(struct amdgpu_device *adev, - enum amdgpu_dpm_forced_level level) + enum amdgpu_dpm_forced_level level) { int ret = 0; switch (level) { case AMDGPU_DPM_FORCED_LEVEL_HIGH: + ret = cz_dpm_unforce_dpm_levels(adev); + if (ret) + return ret; ret = cz_dpm_force_highest(adev); if (ret) return ret; break; case AMDGPU_DPM_FORCED_LEVEL_LOW: + ret = cz_dpm_unforce_dpm_levels(adev); + if (ret) + return ret; ret = cz_dpm_force_lowest(adev); if (ret) return ret; @@ -1711,6 +1755,8 @@ static int cz_dpm_force_dpm_level(struct amdgpu_device *adev, break; } + adev->pm.dpm.forced_level = level; + return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index 6e77964f1b64..e70a26f587a0 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -2632,6 +2632,7 @@ static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode) struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + unsigned type; switch (mode) { case DRM_MODE_DPMS_ON: @@ -2640,6 +2641,9 @@ static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode) dce_v10_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); dce_v10_0_vga_enable(crtc, false); + /* Make sure VBLANK interrupt is still enabled */ + type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); + amdgpu_irq_update(adev, &adev->crtc_irq, type); drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id); dce_v10_0_crtc_load_lut(crtc); break; diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index 7f7abb0e0be5..dcb402ee048a 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -2631,6 +2631,7 @@ static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode) struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + unsigned type; switch (mode) { case DRM_MODE_DPMS_ON: @@ -2639,6 +2640,9 @@ static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode) dce_v11_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); dce_v11_0_vga_enable(crtc, false); + /* Make sure VBLANK interrupt is still enabled */ + type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); + amdgpu_irq_update(adev, &adev->crtc_irq, type); drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id); dce_v11_0_crtc_load_lut(crtc); break; diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index 08387dfd98a7..cc050a329c49 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -2566,6 +2566,7 @@ static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode) struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + unsigned type; switch (mode) { case DRM_MODE_DPMS_ON: @@ -2574,6 +2575,9 @@ static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode) dce_v8_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE); dce_v8_0_vga_enable(crtc, false); + /* Make sure VBLANK interrupt is still enabled */ + type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); + amdgpu_irq_update(adev, &adev->crtc_irq, type); drm_vblank_post_modeset(dev, amdgpu_crtc->crtc_id); dce_v8_0_crtc_load_lut(crtc); break; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 2c188fb9fd22..0d8bf2cb1956 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -2561,7 +2561,7 @@ static bool gfx_v7_0_ring_emit_semaphore(struct amdgpu_ring *ring, * sheduling on the ring. This function schedules the IB * on the gfx ring for execution by the GPU. */ -static void gfx_v7_0_ring_emit_ib(struct amdgpu_ring *ring, +static void gfx_v7_0_ring_emit_ib_gfx(struct amdgpu_ring *ring, struct amdgpu_ib *ib) { bool need_ctx_switch = ring->current_ctx != ib->ctx; @@ -2569,15 +2569,10 @@ static void gfx_v7_0_ring_emit_ib(struct amdgpu_ring *ring, u32 next_rptr = ring->wptr + 5; /* drop the CE preamble IB for the same context */ - if ((ring->type == AMDGPU_RING_TYPE_GFX) && - (ib->flags & AMDGPU_IB_FLAG_PREAMBLE) && - !need_ctx_switch) + if ((ib->flags & AMDGPU_IB_FLAG_PREAMBLE) && !need_ctx_switch) return; - if (ring->type == AMDGPU_RING_TYPE_COMPUTE) - control |= INDIRECT_BUFFER_VALID; - - if (need_ctx_switch && ring->type == AMDGPU_RING_TYPE_GFX) + if (need_ctx_switch) next_rptr += 2; next_rptr += 4; @@ -2588,7 +2583,7 @@ static void gfx_v7_0_ring_emit_ib(struct amdgpu_ring *ring, amdgpu_ring_write(ring, next_rptr); /* insert SWITCH_BUFFER packet before first IB in the ring frame */ - if (need_ctx_switch && ring->type == AMDGPU_RING_TYPE_GFX) { + if (need_ctx_switch) { amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); amdgpu_ring_write(ring, 0); } @@ -2611,6 +2606,35 @@ static void gfx_v7_0_ring_emit_ib(struct amdgpu_ring *ring, amdgpu_ring_write(ring, control); } +static void gfx_v7_0_ring_emit_ib_compute(struct amdgpu_ring *ring, + struct amdgpu_ib *ib) +{ + u32 header, control = 0; + u32 next_rptr = ring->wptr + 5; + + control |= INDIRECT_BUFFER_VALID; + next_rptr += 4; + amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); + amdgpu_ring_write(ring, WRITE_DATA_DST_SEL(5) | WR_CONFIRM); + amdgpu_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); + amdgpu_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xffffffff); + amdgpu_ring_write(ring, next_rptr); + + header = PACKET3(PACKET3_INDIRECT_BUFFER, 2); + + control |= ib->length_dw | + (ib->vm ? (ib->vm->ids[ring->idx].id << 24) : 0); + + amdgpu_ring_write(ring, header); + amdgpu_ring_write(ring, +#ifdef __BIG_ENDIAN + (2 << 0) | +#endif + (ib->gpu_addr & 0xFFFFFFFC)); + amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF); + amdgpu_ring_write(ring, control); +} + /** * gfx_v7_0_ring_test_ib - basic ring IB test * @@ -3056,6 +3080,8 @@ static int gfx_v7_0_cp_compute_load_microcode(struct amdgpu_device *adev) mec_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data; amdgpu_ucode_print_gfx_hdr(&mec_hdr->header); adev->gfx.mec_fw_version = le32_to_cpu(mec_hdr->header.ucode_version); + adev->gfx.mec_feature_version = le32_to_cpu( + mec_hdr->ucode_feature_version); gfx_v7_0_cp_compute_enable(adev, false); @@ -3078,6 +3104,8 @@ static int gfx_v7_0_cp_compute_load_microcode(struct amdgpu_device *adev) mec2_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec2_fw->data; amdgpu_ucode_print_gfx_hdr(&mec2_hdr->header); adev->gfx.mec2_fw_version = le32_to_cpu(mec2_hdr->header.ucode_version); + adev->gfx.mec2_feature_version = le32_to_cpu( + mec2_hdr->ucode_feature_version); /* MEC2 */ fw_data = (const __le32 *) @@ -4042,6 +4070,8 @@ static int gfx_v7_0_rlc_resume(struct amdgpu_device *adev) hdr = (const struct rlc_firmware_header_v1_0 *)adev->gfx.rlc_fw->data; amdgpu_ucode_print_rlc_hdr(&hdr->header); adev->gfx.rlc_fw_version = le32_to_cpu(hdr->header.ucode_version); + adev->gfx.rlc_feature_version = le32_to_cpu( + hdr->ucode_feature_version); gfx_v7_0_rlc_stop(adev); @@ -5098,7 +5128,7 @@ static void gfx_v7_0_print_status(void *handle) dev_info(adev->dev, " CP_HPD_EOP_CONTROL=0x%08X\n", RREG32(mmCP_HPD_EOP_CONTROL)); - for (queue = 0; queue < 8; i++) { + for (queue = 0; queue < 8; queue++) { cik_srbm_select(adev, me, pipe, queue, 0); dev_info(adev->dev, " queue: %d\n", queue); dev_info(adev->dev, " CP_PQ_WPTR_POLL_CNTL=0x%08X\n", @@ -5555,7 +5585,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = { .get_wptr = gfx_v7_0_ring_get_wptr_gfx, .set_wptr = gfx_v7_0_ring_set_wptr_gfx, .parse_cs = NULL, - .emit_ib = gfx_v7_0_ring_emit_ib, + .emit_ib = gfx_v7_0_ring_emit_ib_gfx, .emit_fence = gfx_v7_0_ring_emit_fence_gfx, .emit_semaphore = gfx_v7_0_ring_emit_semaphore, .emit_vm_flush = gfx_v7_0_ring_emit_vm_flush, @@ -5571,7 +5601,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = { .get_wptr = gfx_v7_0_ring_get_wptr_compute, .set_wptr = gfx_v7_0_ring_set_wptr_compute, .parse_cs = NULL, - .emit_ib = gfx_v7_0_ring_emit_ib, + .emit_ib = gfx_v7_0_ring_emit_ib_compute, .emit_fence = gfx_v7_0_ring_emit_fence_compute, .emit_semaphore = gfx_v7_0_ring_emit_semaphore, .emit_vm_flush = gfx_v7_0_ring_emit_vm_flush, diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 7b683fb2173c..20e2cfd521d5 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -587,6 +587,7 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev) int err; struct amdgpu_firmware_info *info = NULL; const struct common_firmware_header *header = NULL; + const struct gfx_firmware_header_v1_0 *cp_hdr; DRM_DEBUG("\n"); @@ -611,6 +612,9 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->gfx.pfp_fw); if (err) goto out; + cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.pfp_fw->data; + adev->gfx.pfp_fw_version = le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.pfp_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version); snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me.bin", chip_name); err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev); @@ -619,6 +623,9 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->gfx.me_fw); if (err) goto out; + cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.me_fw->data; + adev->gfx.me_fw_version = le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.me_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version); snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce.bin", chip_name); err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev); @@ -627,12 +634,18 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->gfx.ce_fw); if (err) goto out; + cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.ce_fw->data; + adev->gfx.ce_fw_version = le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.ce_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version); snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", chip_name); err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev); if (err) goto out; err = amdgpu_ucode_validate(adev->gfx.rlc_fw); + cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.rlc_fw->data; + adev->gfx.rlc_fw_version = le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.rlc_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version); snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec.bin", chip_name); err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev); @@ -641,6 +654,9 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->gfx.mec_fw); if (err) goto out; + cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data; + adev->gfx.mec_fw_version = le32_to_cpu(cp_hdr->header.ucode_version); + adev->gfx.mec_feature_version = le32_to_cpu(cp_hdr->ucode_feature_version); snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec2.bin", chip_name); err = request_firmware(&adev->gfx.mec2_fw, fw_name, adev->dev); @@ -648,6 +664,12 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->gfx.mec2_fw); if (err) goto out; + cp_hdr = (const struct gfx_firmware_header_v1_0 *) + adev->gfx.mec2_fw->data; + adev->gfx.mec2_fw_version = le32_to_cpu( + cp_hdr->header.ucode_version); + adev->gfx.mec2_feature_version = le32_to_cpu( + cp_hdr->ucode_feature_version); } else { err = 0; adev->gfx.mec2_fw = NULL; @@ -1813,10 +1835,7 @@ static u32 gfx_v8_0_get_rb_disabled(struct amdgpu_device *adev, u32 data, mask; data = RREG32(mmCC_RB_BACKEND_DISABLE); - if (data & 1) - data &= CC_RB_BACKEND_DISABLE__BACKEND_DISABLE_MASK; - else - data = 0; + data &= CC_RB_BACKEND_DISABLE__BACKEND_DISABLE_MASK; data |= RREG32(mmGC_USER_RB_BACKEND_DISABLE); @@ -1986,6 +2005,7 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev) adev->gfx.config.max_shader_engines = 1; adev->gfx.config.max_tile_pipes = 2; adev->gfx.config.max_sh_per_se = 1; + adev->gfx.config.max_backends_per_se = 2; switch (adev->pdev->revision) { case 0xc4: @@ -1994,7 +2014,6 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev) case 0xcc: /* B10 */ adev->gfx.config.max_cu_per_sh = 8; - adev->gfx.config.max_backends_per_se = 2; break; case 0xc5: case 0x81: @@ -2003,14 +2022,12 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev) case 0xcd: /* B8 */ adev->gfx.config.max_cu_per_sh = 6; - adev->gfx.config.max_backends_per_se = 2; break; case 0xc6: case 0xca: case 0xce: /* B6 */ adev->gfx.config.max_cu_per_sh = 6; - adev->gfx.config.max_backends_per_se = 2; break; case 0xc7: case 0x87: @@ -2018,7 +2035,6 @@ static void gfx_v8_0_gpu_init(struct amdgpu_device *adev) default: /* B4 */ adev->gfx.config.max_cu_per_sh = 4; - adev->gfx.config.max_backends_per_se = 1; break; } @@ -2278,7 +2294,6 @@ static int gfx_v8_0_rlc_load_microcode(struct amdgpu_device *adev) hdr = (const struct rlc_firmware_header_v2_0 *)adev->gfx.rlc_fw->data; amdgpu_ucode_print_rlc_hdr(&hdr->header); - adev->gfx.rlc_fw_version = le32_to_cpu(hdr->header.ucode_version); fw_data = (const __le32 *)(adev->gfx.rlc_fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); @@ -2364,12 +2379,6 @@ static int gfx_v8_0_cp_gfx_load_microcode(struct amdgpu_device *adev) amdgpu_ucode_print_gfx_hdr(&pfp_hdr->header); amdgpu_ucode_print_gfx_hdr(&ce_hdr->header); amdgpu_ucode_print_gfx_hdr(&me_hdr->header); - adev->gfx.pfp_fw_version = le32_to_cpu(pfp_hdr->header.ucode_version); - adev->gfx.ce_fw_version = le32_to_cpu(ce_hdr->header.ucode_version); - adev->gfx.me_fw_version = le32_to_cpu(me_hdr->header.ucode_version); - adev->gfx.me_feature_version = le32_to_cpu(me_hdr->ucode_feature_version); - adev->gfx.ce_feature_version = le32_to_cpu(ce_hdr->ucode_feature_version); - adev->gfx.pfp_feature_version = le32_to_cpu(pfp_hdr->ucode_feature_version); gfx_v8_0_cp_gfx_enable(adev, false); @@ -2625,7 +2634,6 @@ static int gfx_v8_0_cp_compute_load_microcode(struct amdgpu_device *adev) mec_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data; amdgpu_ucode_print_gfx_hdr(&mec_hdr->header); - adev->gfx.mec_fw_version = le32_to_cpu(mec_hdr->header.ucode_version); fw_data = (const __le32 *) (adev->gfx.mec_fw->data + @@ -2644,7 +2652,6 @@ static int gfx_v8_0_cp_compute_load_microcode(struct amdgpu_device *adev) mec2_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec2_fw->data; amdgpu_ucode_print_gfx_hdr(&mec2_hdr->header); - adev->gfx.mec2_fw_version = le32_to_cpu(mec2_hdr->header.ucode_version); fw_data = (const __le32 *) (adev->gfx.mec2_fw->data + @@ -3128,7 +3135,7 @@ static int gfx_v8_0_cp_compute_resume(struct amdgpu_device *adev) WREG32(mmCP_MEC_DOORBELL_RANGE_LOWER, AMDGPU_DOORBELL_KIQ << 2); WREG32(mmCP_MEC_DOORBELL_RANGE_UPPER, - 0x7FFFF << 2); + AMDGPU_DOORBELL_MEC_RING7 << 2); } tmp = RREG32(mmCP_HQD_PQ_DOORBELL_CONTROL); tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_DOORBELL_CONTROL, @@ -3756,7 +3763,7 @@ static void gfx_v8_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) amdgpu_ring_write(ring, 0x20); /* poll interval */ } -static void gfx_v8_0_ring_emit_ib(struct amdgpu_ring *ring, +static void gfx_v8_0_ring_emit_ib_gfx(struct amdgpu_ring *ring, struct amdgpu_ib *ib) { bool need_ctx_switch = ring->current_ctx != ib->ctx; @@ -3764,15 +3771,10 @@ static void gfx_v8_0_ring_emit_ib(struct amdgpu_ring *ring, u32 next_rptr = ring->wptr + 5; /* drop the CE preamble IB for the same context */ - if ((ring->type == AMDGPU_RING_TYPE_GFX) && - (ib->flags & AMDGPU_IB_FLAG_PREAMBLE) && - !need_ctx_switch) + if ((ib->flags & AMDGPU_IB_FLAG_PREAMBLE) && !need_ctx_switch) return; - if (ring->type == AMDGPU_RING_TYPE_COMPUTE) - control |= INDIRECT_BUFFER_VALID; - - if (need_ctx_switch && ring->type == AMDGPU_RING_TYPE_GFX) + if (need_ctx_switch) next_rptr += 2; next_rptr += 4; @@ -3783,7 +3785,7 @@ static void gfx_v8_0_ring_emit_ib(struct amdgpu_ring *ring, amdgpu_ring_write(ring, next_rptr); /* insert SWITCH_BUFFER packet before first IB in the ring frame */ - if (need_ctx_switch && ring->type == AMDGPU_RING_TYPE_GFX) { + if (need_ctx_switch) { amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0)); amdgpu_ring_write(ring, 0); } @@ -3806,6 +3808,36 @@ static void gfx_v8_0_ring_emit_ib(struct amdgpu_ring *ring, amdgpu_ring_write(ring, control); } +static void gfx_v8_0_ring_emit_ib_compute(struct amdgpu_ring *ring, + struct amdgpu_ib *ib) +{ + u32 header, control = 0; + u32 next_rptr = ring->wptr + 5; + + control |= INDIRECT_BUFFER_VALID; + + next_rptr += 4; + amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); + amdgpu_ring_write(ring, WRITE_DATA_DST_SEL(5) | WR_CONFIRM); + amdgpu_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); + amdgpu_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xffffffff); + amdgpu_ring_write(ring, next_rptr); + + header = PACKET3(PACKET3_INDIRECT_BUFFER, 2); + + control |= ib->length_dw | + (ib->vm ? (ib->vm->ids[ring->idx].id << 24) : 0); + + amdgpu_ring_write(ring, header); + amdgpu_ring_write(ring, +#ifdef __BIG_ENDIAN + (2 << 0) | +#endif + (ib->gpu_addr & 0xFFFFFFFC)); + amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF); + amdgpu_ring_write(ring, control); +} + static void gfx_v8_0_ring_emit_fence_gfx(struct amdgpu_ring *ring, u64 addr, u64 seq, unsigned flags) { @@ -4227,7 +4259,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_gfx = { .get_wptr = gfx_v8_0_ring_get_wptr_gfx, .set_wptr = gfx_v8_0_ring_set_wptr_gfx, .parse_cs = NULL, - .emit_ib = gfx_v8_0_ring_emit_ib, + .emit_ib = gfx_v8_0_ring_emit_ib_gfx, .emit_fence = gfx_v8_0_ring_emit_fence_gfx, .emit_semaphore = gfx_v8_0_ring_emit_semaphore, .emit_vm_flush = gfx_v8_0_ring_emit_vm_flush, @@ -4243,7 +4275,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = { .get_wptr = gfx_v8_0_ring_get_wptr_compute, .set_wptr = gfx_v8_0_ring_set_wptr_compute, .parse_cs = NULL, - .emit_ib = gfx_v8_0_ring_emit_ib, + .emit_ib = gfx_v8_0_ring_emit_ib_compute, .emit_fence = gfx_v8_0_ring_emit_fence_compute, .emit_semaphore = gfx_v8_0_ring_emit_semaphore, .emit_vm_flush = gfx_v8_0_ring_emit_vm_flush, diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c index d7895885fe0c..a988dfb1d394 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -121,6 +121,7 @@ static int sdma_v2_4_init_microcode(struct amdgpu_device *adev) int err, i; struct amdgpu_firmware_info *info = NULL; const struct common_firmware_header *header = NULL; + const struct sdma_firmware_header_v1_0 *hdr; DRM_DEBUG("\n"); @@ -142,6 +143,9 @@ static int sdma_v2_4_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->sdma[i].fw); if (err) goto out; + hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma[i].fw->data; + adev->sdma[i].fw_version = le32_to_cpu(hdr->header.ucode_version); + adev->sdma[i].feature_version = le32_to_cpu(hdr->ucode_feature_version); if (adev->firmware.smu_load) { info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i]; @@ -541,8 +545,6 @@ static int sdma_v2_4_load_microcode(struct amdgpu_device *adev) hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma[i].fw->data; amdgpu_ucode_print_sdma_hdr(&hdr->header); fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; - adev->sdma[i].fw_version = le32_to_cpu(hdr->header.ucode_version); - fw_data = (const __le32 *) (adev->sdma[i].fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c index 7bb37b93993f..2b86569b18d3 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c @@ -159,6 +159,7 @@ static int sdma_v3_0_init_microcode(struct amdgpu_device *adev) int err, i; struct amdgpu_firmware_info *info = NULL; const struct common_firmware_header *header = NULL; + const struct sdma_firmware_header_v1_0 *hdr; DRM_DEBUG("\n"); @@ -183,6 +184,9 @@ static int sdma_v3_0_init_microcode(struct amdgpu_device *adev) err = amdgpu_ucode_validate(adev->sdma[i].fw); if (err) goto out; + hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma[i].fw->data; + adev->sdma[i].fw_version = le32_to_cpu(hdr->header.ucode_version); + adev->sdma[i].feature_version = le32_to_cpu(hdr->ucode_feature_version); if (adev->firmware.smu_load) { info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i]; @@ -630,8 +634,6 @@ static int sdma_v3_0_load_microcode(struct amdgpu_device *adev) hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma[i].fw->data; amdgpu_ucode_print_sdma_hdr(&hdr->header); fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; - adev->sdma[i].fw_version = le32_to_cpu(hdr->header.ucode_version); - fw_data = (const __le32 *) (adev->sdma[i].fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c index d62c4002e39c..d1064ca3670e 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -35,6 +35,8 @@ #include "oss/oss_2_0_d.h" #include "oss/oss_2_0_sh_mask.h" #include "gca/gfx_8_0_d.h" +#include "smu/smu_7_1_2_d.h" +#include "smu/smu_7_1_2_sh_mask.h" #define GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT 0x04 #define GRBM_GFX_INDEX__VCE_INSTANCE_MASK 0x10 @@ -112,6 +114,10 @@ static int vce_v3_0_start(struct amdgpu_device *adev) mutex_lock(&adev->grbm_idx_mutex); for (idx = 0; idx < 2; ++idx) { + + if (adev->vce.harvest_config & (1 << idx)) + continue; + if(idx == 0) WREG32_P(mmGRBM_GFX_INDEX, 0, ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK); @@ -190,10 +196,52 @@ static int vce_v3_0_start(struct amdgpu_device *adev) return 0; } +#define ixVCE_HARVEST_FUSE_MACRO__ADDRESS 0xC0014074 +#define VCE_HARVEST_FUSE_MACRO__SHIFT 27 +#define VCE_HARVEST_FUSE_MACRO__MASK 0x18000000 + +static unsigned vce_v3_0_get_harvest_config(struct amdgpu_device *adev) +{ + u32 tmp; + unsigned ret; + + if (adev->flags & AMDGPU_IS_APU) + tmp = (RREG32_SMC(ixVCE_HARVEST_FUSE_MACRO__ADDRESS) & + VCE_HARVEST_FUSE_MACRO__MASK) >> + VCE_HARVEST_FUSE_MACRO__SHIFT; + else + tmp = (RREG32_SMC(ixCC_HARVEST_FUSES) & + CC_HARVEST_FUSES__VCE_DISABLE_MASK) >> + CC_HARVEST_FUSES__VCE_DISABLE__SHIFT; + + switch (tmp) { + case 1: + ret = AMDGPU_VCE_HARVEST_VCE0; + break; + case 2: + ret = AMDGPU_VCE_HARVEST_VCE1; + break; + case 3: + ret = AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1; + break; + default: + ret = 0; + } + + return ret; +} + static int vce_v3_0_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + adev->vce.harvest_config = vce_v3_0_get_harvest_config(adev); + + if ((adev->vce.harvest_config & + (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) == + (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) + return -ENOENT; + vce_v3_0_set_ring_funcs(adev); vce_v3_0_set_irq_funcs(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index fa5a4448531d..68552da40287 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -122,6 +122,32 @@ static void vi_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v) spin_unlock_irqrestore(&adev->smc_idx_lock, flags); } +/* smu_8_0_d.h */ +#define mmMP0PUB_IND_INDEX 0x180 +#define mmMP0PUB_IND_DATA 0x181 + +static u32 cz_smc_rreg(struct amdgpu_device *adev, u32 reg) +{ + unsigned long flags; + u32 r; + + spin_lock_irqsave(&adev->smc_idx_lock, flags); + WREG32(mmMP0PUB_IND_INDEX, (reg)); + r = RREG32(mmMP0PUB_IND_DATA); + spin_unlock_irqrestore(&adev->smc_idx_lock, flags); + return r; +} + +static void cz_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v) +{ + unsigned long flags; + + spin_lock_irqsave(&adev->smc_idx_lock, flags); + WREG32(mmMP0PUB_IND_INDEX, (reg)); + WREG32(mmMP0PUB_IND_DATA, (v)); + spin_unlock_irqrestore(&adev->smc_idx_lock, flags); +} + static u32 vi_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg) { unsigned long flags; @@ -1222,8 +1248,13 @@ static int vi_common_early_init(void *handle) bool smc_enabled = false; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - adev->smc_rreg = &vi_smc_rreg; - adev->smc_wreg = &vi_smc_wreg; + if (adev->flags & AMDGPU_IS_APU) { + adev->smc_rreg = &cz_smc_rreg; + adev->smc_wreg = &cz_smc_wreg; + } else { + adev->smc_rreg = &vi_smc_rreg; + adev->smc_wreg = &vi_smc_wreg; + } adev->pcie_rreg = &vi_pcie_rreg; adev->pcie_wreg = &vi_pcie_wreg; adev->uvd_ctx_rreg = &vi_uvd_ctx_rreg; diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index 42d2ffa08716..01ffe9bffe38 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -531,8 +531,6 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc, drm_crtc_vblank_off(crtc); - crtc->mode = *adj; - val = dcrtc->dumb_ctrl & ~CFG_DUMB_ENA; if (val != dcrtc->dumb_ctrl) { dcrtc->dumb_ctrl = val; diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c index 580e10acaa3a..60a688ef81c7 100644 --- a/drivers/gpu/drm/armada/armada_gem.c +++ b/drivers/gpu/drm/armada/armada_gem.c @@ -69,8 +69,9 @@ void armada_gem_free_object(struct drm_gem_object *obj) if (dobj->obj.import_attach) { /* We only ever display imported data */ - dma_buf_unmap_attachment(dobj->obj.import_attach, dobj->sgt, - DMA_TO_DEVICE); + if (dobj->sgt) + dma_buf_unmap_attachment(dobj->obj.import_attach, + dobj->sgt, DMA_TO_DEVICE); drm_prime_gem_destroy(&dobj->obj, NULL); } diff --git a/drivers/gpu/drm/armada/armada_overlay.c b/drivers/gpu/drm/armada/armada_overlay.c index c5b06fdb459c..e939faba7fcc 100644 --- a/drivers/gpu/drm/armada/armada_overlay.c +++ b/drivers/gpu/drm/armada/armada_overlay.c @@ -7,6 +7,7 @@ * published by the Free Software Foundation. */ #include <drm/drmP.h> +#include <drm/drm_plane_helper.h> #include "armada_crtc.h" #include "armada_drm.h" #include "armada_fb.h" @@ -85,16 +86,8 @@ static void armada_plane_vbl(struct armada_crtc *dcrtc, void *data) if (fb) armada_drm_queue_unref_work(dcrtc->crtc.dev, fb); -} -static unsigned armada_limit(int start, unsigned size, unsigned max) -{ - int end = start + size; - if (end < 0) - return 0; - if (start < 0) - start = 0; - return (unsigned)end > max ? max - start : end - start; + wake_up(&dplane->vbl.wait); } static int @@ -105,26 +98,39 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, { struct armada_plane *dplane = drm_to_armada_plane(plane); struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc); + struct drm_rect src = { + .x1 = src_x, + .y1 = src_y, + .x2 = src_x + src_w, + .y2 = src_y + src_h, + }; + struct drm_rect dest = { + .x1 = crtc_x, + .y1 = crtc_y, + .x2 = crtc_x + crtc_w, + .y2 = crtc_y + crtc_h, + }; + const struct drm_rect clip = { + .x2 = crtc->mode.hdisplay, + .y2 = crtc->mode.vdisplay, + }; uint32_t val, ctrl0; unsigned idx = 0; + bool visible; int ret; - crtc_w = armada_limit(crtc_x, crtc_w, dcrtc->crtc.mode.hdisplay); - crtc_h = armada_limit(crtc_y, crtc_h, dcrtc->crtc.mode.vdisplay); + ret = drm_plane_helper_check_update(plane, crtc, fb, &src, &dest, &clip, + 0, INT_MAX, true, false, &visible); + if (ret) + return ret; + ctrl0 = CFG_DMA_FMT(drm_fb_to_armada_fb(fb)->fmt) | CFG_DMA_MOD(drm_fb_to_armada_fb(fb)->mod) | CFG_CBSH_ENA | CFG_DMA_HSMOOTH | CFG_DMA_ENA; /* Does the position/size result in nothing to display? */ - if (crtc_w == 0 || crtc_h == 0) { + if (!visible) ctrl0 &= ~CFG_DMA_ENA; - } - - /* - * FIXME: if the starting point is off screen, we need to - * adjust src_x, src_y, src_w, src_h appropriately, and - * according to the scale. - */ if (!dcrtc->plane) { dcrtc->plane = plane; @@ -134,15 +140,19 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, /* FIXME: overlay on an interlaced display */ /* Just updating the position/size? */ if (plane->fb == fb && dplane->ctrl0 == ctrl0) { - val = (src_h & 0xffff0000) | src_w >> 16; + val = (drm_rect_height(&src) & 0xffff0000) | + drm_rect_width(&src) >> 16; dplane->src_hw = val; writel_relaxed(val, dcrtc->base + LCD_SPU_DMA_HPXL_VLN); - val = crtc_h << 16 | crtc_w; + + val = drm_rect_height(&dest) << 16 | drm_rect_width(&dest); dplane->dst_hw = val; writel_relaxed(val, dcrtc->base + LCD_SPU_DZM_HPXL_VLN); - val = crtc_y << 16 | crtc_x; + + val = dest.y1 << 16 | dest.x1; dplane->dst_yx = val; writel_relaxed(val, dcrtc->base + LCD_SPU_DMA_OVSA_HPXL_VLN); + return 0; } else if (~dplane->ctrl0 & ctrl0 & CFG_DMA_ENA) { /* Power up the Y/U/V FIFOs on ENA 0->1 transitions */ @@ -150,15 +160,14 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, dcrtc->base + LCD_SPU_SRAM_PARA1); } - ret = wait_event_timeout(dplane->vbl.wait, - list_empty(&dplane->vbl.update.node), - HZ/25); - if (ret < 0) - return ret; + wait_event_timeout(dplane->vbl.wait, + list_empty(&dplane->vbl.update.node), + HZ/25); if (plane->fb != fb) { struct armada_gem_object *obj = drm_fb_obj(fb); - uint32_t sy, su, sv; + uint32_t addr[3], pixel_format; + int i, num_planes, hsub; /* * Take a reference on the new framebuffer - we want to @@ -178,26 +187,39 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, older_fb); } - src_y >>= 16; - src_x >>= 16; - sy = obj->dev_addr + fb->offsets[0] + src_y * fb->pitches[0] + - src_x * fb->bits_per_pixel / 8; - su = obj->dev_addr + fb->offsets[1] + src_y * fb->pitches[1] + - src_x; - sv = obj->dev_addr + fb->offsets[2] + src_y * fb->pitches[2] + - src_x; + src_y = src.y1 >> 16; + src_x = src.x1 >> 16; - armada_reg_queue_set(dplane->vbl.regs, idx, sy, + pixel_format = fb->pixel_format; + hsub = drm_format_horz_chroma_subsampling(pixel_format); + num_planes = drm_format_num_planes(pixel_format); + + /* + * Annoyingly, shifting a YUYV-format image by one pixel + * causes the U/V planes to toggle. Toggle the UV swap. + * (Unfortunately, this causes momentary colour flickering.) + */ + if (src_x & (hsub - 1) && num_planes == 1) + ctrl0 ^= CFG_DMA_MOD(CFG_SWAPUV); + + for (i = 0; i < num_planes; i++) + addr[i] = obj->dev_addr + fb->offsets[i] + + src_y * fb->pitches[i] + + src_x * drm_format_plane_cpp(pixel_format, i); + for (; i < ARRAY_SIZE(addr); i++) + addr[i] = 0; + + armada_reg_queue_set(dplane->vbl.regs, idx, addr[0], LCD_SPU_DMA_START_ADDR_Y0); - armada_reg_queue_set(dplane->vbl.regs, idx, su, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[1], LCD_SPU_DMA_START_ADDR_U0); - armada_reg_queue_set(dplane->vbl.regs, idx, sv, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[2], LCD_SPU_DMA_START_ADDR_V0); - armada_reg_queue_set(dplane->vbl.regs, idx, sy, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[0], LCD_SPU_DMA_START_ADDR_Y1); - armada_reg_queue_set(dplane->vbl.regs, idx, su, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[1], LCD_SPU_DMA_START_ADDR_U1); - armada_reg_queue_set(dplane->vbl.regs, idx, sv, + armada_reg_queue_set(dplane->vbl.regs, idx, addr[2], LCD_SPU_DMA_START_ADDR_V1); val = fb->pitches[0] << 16 | fb->pitches[0]; @@ -208,24 +230,27 @@ armada_plane_update(struct drm_plane *plane, struct drm_crtc *crtc, LCD_SPU_DMA_PITCH_UV); } - val = (src_h & 0xffff0000) | src_w >> 16; + val = (drm_rect_height(&src) & 0xffff0000) | drm_rect_width(&src) >> 16; if (dplane->src_hw != val) { dplane->src_hw = val; armada_reg_queue_set(dplane->vbl.regs, idx, val, LCD_SPU_DMA_HPXL_VLN); } - val = crtc_h << 16 | crtc_w; + + val = drm_rect_height(&dest) << 16 | drm_rect_width(&dest); if (dplane->dst_hw != val) { dplane->dst_hw = val; armada_reg_queue_set(dplane->vbl.regs, idx, val, LCD_SPU_DZM_HPXL_VLN); } - val = crtc_y << 16 | crtc_x; + + val = dest.y1 << 16 | dest.x1; if (dplane->dst_yx != val) { dplane->dst_yx = val; armada_reg_queue_set(dplane->vbl.regs, idx, val, LCD_SPU_DMA_OVSA_HPXL_VLN); } + if (dplane->ctrl0 != ctrl0) { dplane->ctrl0 = ctrl0; armada_reg_queue_mod(dplane->vbl.regs, idx, ctrl0, @@ -279,7 +304,11 @@ static int armada_plane_disable(struct drm_plane *plane) static void armada_plane_destroy(struct drm_plane *plane) { - kfree(plane); + struct armada_plane *dplane = drm_to_armada_plane(plane); + + drm_plane_cleanup(plane); + + kfree(dplane); } static int armada_plane_set_property(struct drm_plane *plane, diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c index f69b92535505..5ae5c6923128 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c @@ -355,6 +355,7 @@ int atmel_hlcdc_crtc_create(struct drm_device *dev) planes->overlays[i]->base.possible_crtcs = 1 << crtc->id; drm_crtc_helper_add(&crtc->base, &lcdc_crtc_helper_funcs); + drm_crtc_vblank_reset(&crtc->base); dc->crtc = &crtc->base; diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index 60b0c13d7ff5..ef6182bc8e5e 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -313,20 +313,20 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev) pm_runtime_enable(dev->dev); - ret = atmel_hlcdc_dc_modeset_init(dev); + ret = drm_vblank_init(dev, 1); if (ret < 0) { - dev_err(dev->dev, "failed to initialize mode setting\n"); + dev_err(dev->dev, "failed to initialize vblank\n"); goto err_periph_clk_disable; } - drm_mode_config_reset(dev); - - ret = drm_vblank_init(dev, 1); + ret = atmel_hlcdc_dc_modeset_init(dev); if (ret < 0) { - dev_err(dev->dev, "failed to initialize vblank\n"); + dev_err(dev->dev, "failed to initialize mode setting\n"); goto err_periph_clk_disable; } + drm_mode_config_reset(dev); + pm_runtime_get_sync(dev->dev); ret = drm_irq_install(dev, dc->hlcdc->irq); pm_runtime_put_sync(dev->dev); @@ -559,7 +559,7 @@ static int atmel_hlcdc_dc_drm_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int atmel_hlcdc_dc_drm_suspend(struct device *dev) { struct drm_device *drm_dev = dev_get_drvdata(dev); diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 5b59d5ad7d1c..9dcc7280e572 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -196,7 +196,12 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) } funcs = connector->helper_private; - new_encoder = funcs->best_encoder(connector); + + if (funcs->atomic_best_encoder) + new_encoder = funcs->atomic_best_encoder(connector, + connector_state); + else + new_encoder = funcs->best_encoder(connector); if (!new_encoder) { DRM_DEBUG_ATOMIC("No suitable encoder found for [CONNECTOR:%d:%s]\n", @@ -229,6 +234,9 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) } } + if (WARN_ON(!connector_state->crtc)) + return -EINVAL; + connector_state->best_encoder = new_encoder; idx = drm_crtc_index(connector_state->crtc); diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index b9ba06176eb1..fed748311b92 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -2706,8 +2706,11 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EINVAL; - /* For some reason crtc x/y offsets are signed internally. */ - if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) + /* + * Universal plane src offsets are only 16.16, prevent havoc for + * drivers using universal plane code internally. + */ + if (crtc_req->x & 0xffff0000 || crtc_req->y & 0xffff0000) return -ERANGE; drm_modeset_lock_all(dev); @@ -5395,12 +5398,9 @@ void drm_mode_config_reset(struct drm_device *dev) if (encoder->funcs->reset) encoder->funcs->reset(encoder); - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - connector->status = connector_status_unknown; - + list_for_each_entry(connector, &dev->mode_config.connector_list, head) if (connector->funcs->reset) connector->funcs->reset(connector); - } } EXPORT_SYMBOL(drm_mode_config_reset); diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 778bbb6425b8..eb603f1defc2 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -873,9 +873,10 @@ static void drm_dp_destroy_port(struct kref *kref) from an EDID retrieval */ if (port->connector) { mutex_lock(&mgr->destroy_connector_lock); - list_add(&port->connector->destroy_list, &mgr->destroy_connector_list); + list_add(&port->next, &mgr->destroy_connector_list); mutex_unlock(&mgr->destroy_connector_lock); schedule_work(&mgr->destroy_connector_work); + return; } drm_dp_port_teardown_pdt(port, port->pdt); @@ -1294,7 +1295,6 @@ retry: goto retry; } DRM_DEBUG_KMS("failed to dpcd write %d %d\n", tosend, ret); - WARN(1, "fail\n"); return -EIO; } @@ -2660,7 +2660,7 @@ static void drm_dp_tx_work(struct work_struct *work) static void drm_dp_destroy_connector_work(struct work_struct *work) { struct drm_dp_mst_topology_mgr *mgr = container_of(work, struct drm_dp_mst_topology_mgr, destroy_connector_work); - struct drm_connector *connector; + struct drm_dp_mst_port *port; /* * Not a regular list traverse as we have to drop the destroy @@ -2669,15 +2669,21 @@ static void drm_dp_destroy_connector_work(struct work_struct *work) */ for (;;) { mutex_lock(&mgr->destroy_connector_lock); - connector = list_first_entry_or_null(&mgr->destroy_connector_list, struct drm_connector, destroy_list); - if (!connector) { + port = list_first_entry_or_null(&mgr->destroy_connector_list, struct drm_dp_mst_port, next); + if (!port) { mutex_unlock(&mgr->destroy_connector_lock); break; } - list_del(&connector->destroy_list); + list_del(&port->next); mutex_unlock(&mgr->destroy_connector_lock); - mgr->cbs->destroy_connector(mgr, connector); + mgr->cbs->destroy_connector(mgr, port->connector); + + drm_dp_port_teardown_pdt(port, port->pdt); + + if (!port->input && port->vcpi.vcpi > 0) + drm_dp_mst_put_payload_id(mgr, port->vcpi.vcpi); + kfree(port); } } diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index aa8bbb460c57..9cfcd0aef0df 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -70,6 +70,8 @@ #define DRM_IOCTL_WAIT_VBLANK32 DRM_IOWR(0x3a, drm_wait_vblank32_t) +#define DRM_IOCTL_MODE_ADDFB232 DRM_IOWR(0xb8, drm_mode_fb_cmd232_t) + typedef struct drm_version_32 { int version_major; /**< Major version */ int version_minor; /**< Minor version */ @@ -1016,6 +1018,63 @@ static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, return 0; } +typedef struct drm_mode_fb_cmd232 { + u32 fb_id; + u32 width; + u32 height; + u32 pixel_format; + u32 flags; + u32 handles[4]; + u32 pitches[4]; + u32 offsets[4]; + u64 modifier[4]; +} __attribute__((packed)) drm_mode_fb_cmd232_t; + +static int compat_drm_mode_addfb2(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct drm_mode_fb_cmd232 __user *argp = (void __user *)arg; + struct drm_mode_fb_cmd232 req32; + struct drm_mode_fb_cmd2 __user *req64; + int i; + int err; + + if (copy_from_user(&req32, argp, sizeof(req32))) + return -EFAULT; + + req64 = compat_alloc_user_space(sizeof(*req64)); + + if (!access_ok(VERIFY_WRITE, req64, sizeof(*req64)) + || __put_user(req32.width, &req64->width) + || __put_user(req32.height, &req64->height) + || __put_user(req32.pixel_format, &req64->pixel_format) + || __put_user(req32.flags, &req64->flags)) + return -EFAULT; + + for (i = 0; i < 4; i++) { + if (__put_user(req32.handles[i], &req64->handles[i])) + return -EFAULT; + if (__put_user(req32.pitches[i], &req64->pitches[i])) + return -EFAULT; + if (__put_user(req32.offsets[i], &req64->offsets[i])) + return -EFAULT; + if (__put_user(req32.modifier[i], &req64->modifier[i])) + return -EFAULT; + } + + err = drm_ioctl(file, DRM_IOCTL_MODE_ADDFB2, (unsigned long)req64); + if (err) + return err; + + if (__get_user(req32.fb_id, &req64->fb_id)) + return -EFAULT; + + if (copy_to_user(argp, &req32, sizeof(req32))) + return -EFAULT; + + return 0; +} + static drm_ioctl_compat_t *drm_compat_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique, @@ -1048,6 +1107,7 @@ static drm_ioctl_compat_t *drm_compat_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW32)] = compat_drm_update_draw, #endif [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank, + [DRM_IOCTL_NR(DRM_IOCTL_MODE_ADDFB232)] = compat_drm_mode_addfb2, }; /** diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index f9cc68fbd2a3..b50fa0afd907 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -75,7 +75,7 @@ module_param_named(timestamp_precision_usec, drm_timestamp_precision, int, 0600) module_param_named(timestamp_monotonic, drm_timestamp_monotonic, int, 0600); static void store_vblank(struct drm_device *dev, int crtc, - unsigned vblank_count_inc, + u32 vblank_count_inc, struct timeval *t_vblank) { struct drm_vblank_crtc *vblank = &dev->vblank[crtc]; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index 842d6b8dc3c4..2a652359af64 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -1745,7 +1745,6 @@ static int fimc_probe(struct platform_device *pdev) spin_lock_init(&ctx->lock); platform_set_drvdata(pdev, ctx); - pm_runtime_set_active(dev); pm_runtime_enable(dev); ret = exynos_drm_ippdrv_register(ippdrv); diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 8040ed2a831f..f1c6b76c127f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -593,8 +593,7 @@ static int gsc_src_set_transf(struct device *dev, gsc_write(cfg, GSC_IN_CON); - ctx->rotation = cfg & - (GSC_IN_ROT_90 | GSC_IN_ROT_270) ? 1 : 0; + ctx->rotation = (cfg & GSC_IN_ROT_90) ? 1 : 0; *swap = ctx->rotation; return 0; @@ -857,8 +856,7 @@ static int gsc_dst_set_transf(struct device *dev, gsc_write(cfg, GSC_IN_CON); - ctx->rotation = cfg & - (GSC_IN_ROT_90 | GSC_IN_ROT_270) ? 1 : 0; + ctx->rotation = (cfg & GSC_IN_ROT_90) ? 1 : 0; *swap = ctx->rotation; return 0; diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 99e286489031..4a00990e4ae4 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1064,6 +1064,7 @@ static int hdmi_get_modes(struct drm_connector *connector) { struct hdmi_context *hdata = ctx_from_connector(connector); struct edid *edid; + int ret; if (!hdata->ddc_adpt) return -ENODEV; @@ -1079,7 +1080,11 @@ static int hdmi_get_modes(struct drm_connector *connector) drm_mode_connector_update_edid_property(connector, edid); - return drm_add_edid_modes(connector, edid); + ret = drm_add_edid_modes(connector, edid); + + kfree(edid); + + return ret; } static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock) diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index cae98db33062..4706b56902b4 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -718,6 +718,10 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg) /* handling VSYNC */ if (val & MXR_INT_STATUS_VSYNC) { + /* vsync interrupt use different bit for read and clear */ + val |= MXR_INT_CLEAR_VSYNC; + val &= ~MXR_INT_STATUS_VSYNC; + /* interlace scan need to check shadow register */ if (ctx->interlace) { base = mixer_reg_read(res, MXR_GRAPHIC_BASE(0)); @@ -743,11 +747,6 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg) out: /* clear interrupts */ - if (~val & MXR_INT_EN_VSYNC) { - /* vsync interrupt use different bit for read and clear */ - val &= ~MXR_INT_EN_VSYNC; - val |= MXR_INT_CLEAR_VSYNC; - } mixer_reg_write(res, MXR_INT_STATUS, val); spin_unlock(&res->reg_slock); @@ -907,8 +906,8 @@ static int mixer_enable_vblank(struct exynos_drm_crtc *crtc) } /* enable vsync interrupt */ - mixer_reg_writemask(res, MXR_INT_EN, MXR_INT_EN_VSYNC, - MXR_INT_EN_VSYNC); + mixer_reg_writemask(res, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC); + mixer_reg_writemask(res, MXR_INT_EN, ~0, MXR_INT_EN_VSYNC); return 0; } @@ -918,7 +917,13 @@ static void mixer_disable_vblank(struct exynos_drm_crtc *crtc) struct mixer_context *mixer_ctx = crtc->ctx; struct mixer_resources *res = &mixer_ctx->mixer_res; + if (!mixer_ctx->powered) { + mixer_ctx->int_en &= MXR_INT_EN_VSYNC; + return; + } + /* disable vsync interrupt */ + mixer_reg_writemask(res, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC); mixer_reg_writemask(res, MXR_INT_EN, 0, MXR_INT_EN_VSYNC); } @@ -1047,6 +1052,8 @@ static void mixer_enable(struct exynos_drm_crtc *crtc) mixer_reg_writemask(res, MXR_STATUS, ~0, MXR_STATUS_SOFT_RESET); + if (ctx->int_en & MXR_INT_EN_VSYNC) + mixer_reg_writemask(res, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC); mixer_reg_write(res, MXR_INT_EN, ctx->int_en); mixer_win_reset(ctx); } diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index fe1599d75f14..424228be79ae 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -606,8 +606,6 @@ static void tda998x_write_if(struct tda998x_priv *priv, uint8_t bit, uint16_t addr, uint8_t *buf, size_t size) { - buf[PB(0)] = tda998x_cksum(buf, size); - reg_clear(priv, REG_DIP_IF_FLAGS, bit); reg_write_range(priv, addr, buf, size); reg_set(priv, REG_DIP_IF_FLAGS, bit); @@ -627,6 +625,8 @@ tda998x_write_aif(struct tda998x_priv *priv, struct tda998x_encoder_params *p) buf[PB(4)] = p->audio_frame[4]; buf[PB(5)] = p->audio_frame[5] & 0xf8; /* DM_INH + LSV */ + buf[PB(0)] = tda998x_cksum(buf, sizeof(buf)); + tda998x_write_if(priv, DIP_IF_FLAGS_IF4, REG_IF4_HB0, buf, sizeof(buf)); } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 542fac628b28..fd1de451c8c6 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -826,6 +826,7 @@ struct intel_context { struct kref ref; int user_handle; uint8_t remap_slice; + struct drm_i915_private *i915; struct drm_i915_file_private *file_priv; struct i915_ctx_hang_stats hang_stats; struct i915_hw_ppgtt *ppgtt; @@ -2036,8 +2037,6 @@ struct drm_i915_gem_object { unsigned int cache_level:3; unsigned int cache_dirty:1; - unsigned int has_dma_mapping:1; - unsigned int frontbuffer_bits:INTEL_FRONTBUFFER_BITS; unsigned int pin_display; @@ -3116,7 +3115,8 @@ void i915_debugfs_cleanup(struct drm_minor *minor); int i915_debugfs_connector_add(struct drm_connector *connector); void intel_display_crc_init(struct drm_device *dev); #else -static inline int i915_debugfs_connector_add(struct drm_connector *connector) {} +static inline int i915_debugfs_connector_add(struct drm_connector *connector) +{ return 0; } static inline void intel_display_crc_init(struct drm_device *dev) {} #endif @@ -3303,15 +3303,14 @@ int intel_freq_opcode(struct drm_i915_private *dev_priv, int val); #define I915_READ64(reg) dev_priv->uncore.funcs.mmio_readq(dev_priv, (reg), true) #define I915_READ64_2x32(lower_reg, upper_reg) ({ \ - u32 upper = I915_READ(upper_reg); \ - u32 lower = I915_READ(lower_reg); \ - u32 tmp = I915_READ(upper_reg); \ - if (upper != tmp) { \ - upper = tmp; \ - lower = I915_READ(lower_reg); \ - WARN_ON(I915_READ(upper_reg) != upper); \ - } \ - (u64)upper << 32 | lower; }) + u32 upper, lower, tmp; \ + tmp = I915_READ(upper_reg); \ + do { \ + upper = tmp; \ + lower = I915_READ(lower_reg); \ + tmp = I915_READ(upper_reg); \ + } while (upper != tmp); \ + (u64)upper << 32 | lower; }) #define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg) #define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 248fd1ac7b3a..52b446b27b4d 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -213,7 +213,6 @@ i915_gem_object_get_pages_phys(struct drm_i915_gem_object *obj) sg_dma_len(sg) = obj->base.size; obj->pages = st; - obj->has_dma_mapping = true; return 0; } @@ -265,8 +264,6 @@ i915_gem_object_put_pages_phys(struct drm_i915_gem_object *obj) sg_free_table(obj->pages); kfree(obj->pages); - - obj->has_dma_mapping = false; } static void @@ -2139,6 +2136,8 @@ i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj) obj->base.read_domains = obj->base.write_domain = I915_GEM_DOMAIN_CPU; } + i915_gem_gtt_finish_object(obj); + if (i915_gem_object_needs_bit17_swizzle(obj)) i915_gem_object_save_bit_17_swizzle(obj); @@ -2199,6 +2198,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) struct sg_page_iter sg_iter; struct page *page; unsigned long last_pfn = 0; /* suppress gcc warning */ + int ret; gfp_t gfp; /* Assert that the object is not currently in any GPU domain. As it @@ -2246,8 +2246,10 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) */ i915_gem_shrink_all(dev_priv); page = shmem_read_mapping_page(mapping, i); - if (IS_ERR(page)) + if (IS_ERR(page)) { + ret = PTR_ERR(page); goto err_pages; + } } #ifdef CONFIG_SWIOTLB if (swiotlb_nr_tbl()) { @@ -2276,6 +2278,10 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) sg_mark_end(sg); obj->pages = st; + ret = i915_gem_gtt_prepare_object(obj); + if (ret) + goto err_pages; + if (i915_gem_object_needs_bit17_swizzle(obj)) i915_gem_object_do_bit_17_swizzle(obj); @@ -2300,10 +2306,10 @@ err_pages: * space and so want to translate the error from shmemfs back to our * usual understanding of ENOMEM. */ - if (PTR_ERR(page) == -ENOSPC) - return -ENOMEM; - else - return PTR_ERR(page); + if (ret == -ENOSPC) + ret = -ENOMEM; + + return ret; } /* Ensure that the associated pages are gathered from the backing storage @@ -2542,6 +2548,7 @@ int __i915_add_request(struct intel_engine_cs *ring, } request->emitted_jiffies = jiffies; + ring->last_submitted_seqno = request->seqno; list_add_tail(&request->list, &ring->request_list); request->file_priv = NULL; @@ -3247,10 +3254,8 @@ int i915_vma_unbind(struct i915_vma *vma) /* Since the unbound list is global, only move to that list if * no more VMAs exist. */ - if (list_empty(&obj->vma_list)) { - i915_gem_gtt_finish_object(obj); + if (list_empty(&obj->vma_list)) list_move_tail(&obj->global_list, &dev_priv->mm.unbound_list); - } /* And finally now the object is completely decoupled from this vma, * we can drop its hold on the backing storage and allow it to be @@ -3768,22 +3773,16 @@ search_free: goto err_remove_node; } - ret = i915_gem_gtt_prepare_object(obj); - if (ret) - goto err_remove_node; - trace_i915_vma_bind(vma, flags); ret = i915_vma_bind(vma, obj->cache_level, flags); if (ret) - goto err_finish_gtt; + goto err_remove_node; list_move_tail(&obj->global_list, &dev_priv->mm.bound_list); list_add_tail(&vma->mm_list, &vm->inactive_list); return vma; -err_finish_gtt: - i915_gem_gtt_finish_object(obj); err_remove_node: drm_mm_remove_node(&vma->node); err_free_vma: diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index d65cbe6afb92..48afa777e94a 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -135,8 +135,7 @@ static int get_context_size(struct drm_device *dev) void i915_gem_context_free(struct kref *ctx_ref) { - struct intel_context *ctx = container_of(ctx_ref, - typeof(*ctx), ref); + struct intel_context *ctx = container_of(ctx_ref, typeof(*ctx), ref); trace_i915_context_free(ctx); @@ -195,6 +194,7 @@ __create_hw_context(struct drm_device *dev, kref_init(&ctx->ref); list_add_tail(&ctx->link, &dev_priv->context_list); + ctx->i915 = dev_priv; if (dev_priv->hw_context_size) { struct drm_i915_gem_object *obj = diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c index 7998da27c500..e9c2bfd85b52 100644 --- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c @@ -256,7 +256,6 @@ static int i915_gem_object_get_pages_dmabuf(struct drm_i915_gem_object *obj) return PTR_ERR(sg); obj->pages = sg; - obj->has_dma_mapping = true; return 0; } @@ -264,7 +263,6 @@ static void i915_gem_object_put_pages_dmabuf(struct drm_i915_gem_object *obj) { dma_buf_unmap_attachment(obj->base.import_attach, obj->pages, DMA_BIDIRECTIONAL); - obj->has_dma_mapping = false; } static const struct drm_i915_gem_object_ops i915_gem_object_dmabuf_ops = { diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index dcc6a88c560e..31e8269e6e3d 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1723,9 +1723,6 @@ void i915_gem_suspend_gtt_mappings(struct drm_device *dev) int i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj) { - if (obj->has_dma_mapping) - return 0; - if (!dma_map_sg(&obj->base.dev->pdev->dev, obj->pages->sgl, obj->pages->nents, PCI_DMA_BIDIRECTIONAL)) @@ -1926,6 +1923,17 @@ static int ggtt_bind_vma(struct i915_vma *vma, vma->vm->insert_entries(vma->vm, pages, vma->node.start, cache_level, pte_flags); + + /* Note the inconsistency here is due to absence of the + * aliasing ppgtt on gen4 and earlier. Though we always + * request PIN_USER for execbuffer (translated to LOCAL_BIND), + * without the appgtt, we cannot honour that request and so + * must substitute it with a global binding. Since we do this + * behind the upper layers back, we need to explicitly set + * the bound flag ourselves. + */ + vma->bound |= GLOBAL_BIND; + } if (dev_priv->mm.aliasing_ppgtt && flags & LOCAL_BIND) { @@ -1972,10 +1980,8 @@ void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj) interruptible = do_idling(dev_priv); - if (!obj->has_dma_mapping) - dma_unmap_sg(&dev->pdev->dev, - obj->pages->sgl, obj->pages->nents, - PCI_DMA_BIDIRECTIONAL); + dma_unmap_sg(&dev->pdev->dev, obj->pages->sgl, obj->pages->nents, + PCI_DMA_BIDIRECTIONAL); undo_idling(dev_priv, interruptible); } diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 348ed5abcdbf..8b5b784c62fe 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -416,7 +416,6 @@ _i915_gem_object_create_stolen(struct drm_device *dev, if (obj->pages == NULL) goto cleanup; - obj->has_dma_mapping = true; i915_gem_object_pin_pages(obj); obj->stolen = stolen; diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index d61e74a08f82..d19c9db5e18c 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -183,18 +183,8 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev) if (IS_GEN4(dev)) { uint32_t ddc2 = I915_READ(DCC2); - if (!(ddc2 & DCC2_MODIFIED_ENHANCED_DISABLE)) { - /* Since the swizzling may vary within an - * object, we have no idea what the swizzling - * is for any page in particular. Thus we - * cannot migrate tiled pages using the GPU, - * nor can we tell userspace what the exact - * swizzling is for any object. - */ + if (!(ddc2 & DCC2_MODIFIED_ENHANCED_DISABLE)) dev_priv->quirks |= QUIRK_PIN_SWIZZLED_PAGES; - swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN; - swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN; - } } if (dcc == 0xffffffff) { @@ -474,7 +464,10 @@ i915_gem_get_tiling(struct drm_device *dev, void *data, } /* Hide bit 17 from the user -- see comment in i915_gem_set_tiling */ - args->phys_swizzle_mode = args->swizzle_mode; + if (dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES) + args->phys_swizzle_mode = I915_BIT_6_SWIZZLE_UNKNOWN; + else + args->phys_swizzle_mode = args->swizzle_mode; if (args->swizzle_mode == I915_BIT_6_SWIZZLE_9_17) args->swizzle_mode = I915_BIT_6_SWIZZLE_9; if (args->swizzle_mode == I915_BIT_6_SWIZZLE_9_10_17) diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c index 1f4e5a32a16e..8fd431bcdfd3 100644 --- a/drivers/gpu/drm/i915/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/i915_gem_userptr.c @@ -545,6 +545,26 @@ err: return ret; } +static int +__i915_gem_userptr_set_pages(struct drm_i915_gem_object *obj, + struct page **pvec, int num_pages) +{ + int ret; + + ret = st_set_pages(&obj->pages, pvec, num_pages); + if (ret) + return ret; + + ret = i915_gem_gtt_prepare_object(obj); + if (ret) { + sg_free_table(obj->pages); + kfree(obj->pages); + obj->pages = NULL; + } + + return ret; +} + static void __i915_gem_userptr_get_pages_worker(struct work_struct *_work) { @@ -584,9 +604,12 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work) if (obj->userptr.work != &work->work) { ret = 0; } else if (pinned == num_pages) { - ret = st_set_pages(&obj->pages, pvec, num_pages); + ret = __i915_gem_userptr_set_pages(obj, pvec, num_pages); if (ret == 0) { list_add_tail(&obj->global_list, &to_i915(dev)->mm.unbound_list); + obj->get_page.sg = obj->pages->sgl; + obj->get_page.last = 0; + pinned = 0; } } @@ -693,7 +716,7 @@ i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj) } } } else { - ret = st_set_pages(&obj->pages, pvec, num_pages); + ret = __i915_gem_userptr_set_pages(obj, pvec, num_pages); if (ret == 0) { obj->userptr.work = NULL; pinned = 0; @@ -715,6 +738,8 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj) if (obj->madv != I915_MADV_WILLNEED) obj->dirty = 0; + i915_gem_gtt_finish_object(obj); + for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents, 0) { struct page *page = sg_page_iter_page(&sg_iter); diff --git a/drivers/gpu/drm/i915/i915_ioc32.c b/drivers/gpu/drm/i915/i915_ioc32.c index 176de6322e4d..23aa04cded6b 100644 --- a/drivers/gpu/drm/i915/i915_ioc32.c +++ b/drivers/gpu/drm/i915/i915_ioc32.c @@ -204,7 +204,7 @@ long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) drm_ioctl_compat_t *fn = NULL; int ret; - if (nr < DRM_COMMAND_BASE) + if (nr < DRM_COMMAND_BASE || nr >= DRM_COMMAND_END) return drm_compat_ioctl(filp, cmd, arg); if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(i915_compat_ioctls)) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index e6bb72dca3ff..984e2fe6688c 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2706,18 +2706,11 @@ static void gen8_disable_vblank(struct drm_device *dev, int pipe) spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } -static struct drm_i915_gem_request * -ring_last_request(struct intel_engine_cs *ring) -{ - return list_entry(ring->request_list.prev, - struct drm_i915_gem_request, list); -} - static bool -ring_idle(struct intel_engine_cs *ring) +ring_idle(struct intel_engine_cs *ring, u32 seqno) { return (list_empty(&ring->request_list) || - i915_gem_request_completed(ring_last_request(ring), false)); + i915_seqno_passed(seqno, ring->last_submitted_seqno)); } static bool @@ -2939,7 +2932,7 @@ static void i915_hangcheck_elapsed(struct work_struct *work) acthd = intel_ring_get_active_head(ring); if (ring->hangcheck.seqno == seqno) { - if (ring_idle(ring)) { + if (ring_idle(ring, seqno)) { ring->hangcheck.action = HANGCHECK_IDLE; if (waitqueue_active(&ring->irq_queue)) { diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h index 497cba5deb1e..849a2590e010 100644 --- a/drivers/gpu/drm/i915/i915_trace.h +++ b/drivers/gpu/drm/i915/i915_trace.h @@ -727,7 +727,7 @@ DECLARE_EVENT_CLASS(i915_context, TP_fast_assign( __entry->ctx = ctx; __entry->vm = ctx->ppgtt ? &ctx->ppgtt->base : NULL; - __entry->dev = ctx->file_priv->dev_priv->dev->primary->index; + __entry->dev = ctx->i915->dev->primary->index; ), TP_printk("dev=%u, ctx=%p, ctx_vm=%p", diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c index 7ed8033aae60..8e35e0d013df 100644 --- a/drivers/gpu/drm/i915/intel_atomic.c +++ b/drivers/gpu/drm/i915/intel_atomic.c @@ -129,8 +129,9 @@ int intel_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, bool async) { - int ret; - int i; + struct drm_crtc_state *crtc_state; + struct drm_crtc *crtc; + int ret, i; if (async) { DRM_DEBUG_KMS("i915 does not yet support async commit\n"); @@ -142,48 +143,18 @@ int intel_atomic_commit(struct drm_device *dev, return ret; /* Point of no return */ - - /* - * FIXME: The proper sequence here will eventually be: - * - * drm_atomic_helper_swap_state(dev, state) - * drm_atomic_helper_commit_modeset_disables(dev, state); - * drm_atomic_helper_commit_planes(dev, state); - * drm_atomic_helper_commit_modeset_enables(dev, state); - * drm_atomic_helper_wait_for_vblanks(dev, state); - * drm_atomic_helper_cleanup_planes(dev, state); - * drm_atomic_state_free(state); - * - * once we have full atomic modeset. For now, just manually update - * plane states to avoid clobbering good states with dummy states - * while nuclear pageflipping. - */ - for (i = 0; i < dev->mode_config.num_total_plane; i++) { - struct drm_plane *plane = state->planes[i]; - - if (!plane) - continue; - - plane->state->state = state; - swap(state->plane_states[i], plane->state); - plane->state->state = NULL; - } + drm_atomic_helper_swap_state(dev, state); /* swap crtc_scaler_state */ - for (i = 0; i < dev->mode_config.num_crtc; i++) { - struct drm_crtc *crtc = state->crtcs[i]; - if (!crtc) { - continue; - } - - to_intel_crtc(crtc)->config->scaler_state = - to_intel_crtc_state(state->crtc_states[i])->scaler_state; + for_each_crtc_in_state(state, crtc, crtc_state, i) { + to_intel_crtc(crtc)->config = to_intel_crtc_state(crtc->state); if (INTEL_INFO(dev)->gen >= 9) skl_detach_scalers(to_intel_crtc(crtc)); + + drm_atomic_helper_commit_planes_on_crtc(crtc_state); } - drm_atomic_helper_commit_planes(dev, state); drm_atomic_helper_wait_for_vblanks(dev, state); drm_atomic_helper_cleanup_planes(dev, state); drm_atomic_state_free(state); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 647b1404c441..87476ff181dd 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6315,9 +6315,6 @@ static void intel_crtc_disable(struct drm_crtc *crtc) struct drm_connector *connector; struct drm_i915_private *dev_priv = dev->dev_private; - /* crtc should still be enabled when we disable it. */ - WARN_ON(!crtc->state->enable); - intel_crtc_disable_planes(crtc); dev_priv->display.crtc_disable(crtc); dev_priv->display.off(crtc); @@ -11829,7 +11826,9 @@ encoder_retry: goto encoder_retry; } - pipe_config->dither = pipe_config->pipe_bpp != base_bpp; + /* Dithering seems to not pass-through bits correctly when it should, so + * only enable it on 6bpc panels. */ + pipe_config->dither = pipe_config->pipe_bpp == 6*3; DRM_DEBUG_KMS("plane bpp: %i, pipe bpp: %i, dithering: %i\n", base_bpp, pipe_config->pipe_bpp, pipe_config->dither); @@ -12591,7 +12590,8 @@ static int __intel_set_mode(struct drm_crtc *modeset_crtc, continue; if (!crtc_state->enable) { - intel_crtc_disable(crtc); + if (crtc->state->enable) + intel_crtc_disable(crtc); } else if (crtc->state->enable) { intel_crtc_disable_planes(crtc); dev_priv->display.crtc_disable(crtc); @@ -12626,17 +12626,17 @@ static int __intel_set_mode(struct drm_crtc *modeset_crtc, modeset_update_crtc_power_domains(state); - drm_atomic_helper_commit_planes(dev, state); - /* Now enable the clocks, plane, pipe, and connectors that we set up. */ for_each_crtc_in_state(state, crtc, crtc_state, i) { - if (!needs_modeset(crtc->state) || !crtc->state->enable) + if (!needs_modeset(crtc->state) || !crtc->state->enable) { + drm_atomic_helper_commit_planes_on_crtc(crtc_state); continue; + } update_scanline_offset(to_intel_crtc(crtc)); dev_priv->display.crtc_enable(crtc); - intel_crtc_enable_planes(crtc); + drm_atomic_helper_commit_planes_on_crtc(crtc_state); } /* FIXME: add subpixel order */ @@ -12893,20 +12893,11 @@ intel_modeset_stage_output_state(struct drm_device *dev, return 0; } -static bool primary_plane_visible(struct drm_crtc *crtc) -{ - struct intel_plane_state *plane_state = - to_intel_plane_state(crtc->primary->state); - - return plane_state->visible; -} - static int intel_crtc_set_config(struct drm_mode_set *set) { struct drm_device *dev; struct drm_atomic_state *state = NULL; struct intel_crtc_state *pipe_config; - bool primary_plane_was_visible; int ret; BUG_ON(!set); @@ -12945,38 +12936,8 @@ static int intel_crtc_set_config(struct drm_mode_set *set) intel_update_pipe_size(to_intel_crtc(set->crtc)); - primary_plane_was_visible = primary_plane_visible(set->crtc); - ret = intel_set_mode_with_config(set->crtc, pipe_config, true); - if (ret == 0 && - pipe_config->base.enable && - pipe_config->base.planes_changed && - !needs_modeset(&pipe_config->base)) { - struct intel_crtc *intel_crtc = to_intel_crtc(set->crtc); - - /* - * We need to make sure the primary plane is re-enabled if it - * has previously been turned off. - */ - if (ret == 0 && !primary_plane_was_visible && - primary_plane_visible(set->crtc)) { - WARN_ON(!intel_crtc->active); - intel_post_enable_primary(set->crtc); - } - - /* - * In the fastboot case this may be our only check of the - * state after boot. It would be better to only do it on - * the first update, but we don't have a nice way of doing that - * (and really, set_config isn't used much for high freq page - * flipping, so increasing its cost here shouldn't be a big - * deal). - */ - if (i915.fastboot && ret == 0) - intel_modeset_check_state(set->crtc->dev); - } - if (ret) { DRM_DEBUG_KMS("failed to set mode on [CRTC:%d], err = %d\n", set->crtc->base.id, ret); @@ -13276,7 +13237,7 @@ intel_check_primary_plane(struct drm_plane *plane, if (ret) return ret; - if (intel_crtc->active) { + if (crtc_state ? crtc_state->base.active : intel_crtc->active) { struct intel_plane_state *old_state = to_intel_plane_state(plane->state); @@ -13307,6 +13268,9 @@ intel_check_primary_plane(struct drm_plane *plane, */ if (IS_BROADWELL(dev)) intel_crtc->atomic.wait_vblank = true; + + if (crtc_state) + intel_crtc->atomic.post_enable_primary = true; } /* @@ -13319,6 +13283,10 @@ intel_check_primary_plane(struct drm_plane *plane, if (!state->visible || !fb) intel_crtc->atomic.disable_ips = true; + if (!state->visible && old_state->visible && + crtc_state && !needs_modeset(&crtc_state->base)) + intel_crtc->atomic.pre_disable_primary = true; + intel_crtc->atomic.fb_bits |= INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe); @@ -15036,6 +15004,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev) struct intel_plane_state *plane_state; memset(crtc->config, 0, sizeof(*crtc->config)); + crtc->config->base.crtc = &crtc->base; crtc->config->quirks |= PIPE_CONFIG_QUIRK_INHERITED_MODE; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 6e8faa253792..1df0e1fe235f 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -93,9 +93,6 @@ static const struct dp_link_dpll chv_dpll[] = { static const int skl_rates[] = { 162000, 216000, 270000, 324000, 432000, 540000 }; -static const int chv_rates[] = { 162000, 202500, 210000, 216000, - 243000, 270000, 324000, 405000, - 420000, 432000, 540000 }; static const int default_rates[] = { 162000, 270000, 540000 }; /** @@ -1169,24 +1166,31 @@ intel_dp_sink_rates(struct intel_dp *intel_dp, const int **sink_rates) return (intel_dp_max_link_bw(intel_dp) >> 3) + 1; } +static bool intel_dp_source_supports_hbr2(struct drm_device *dev) +{ + /* WaDisableHBR2:skl */ + if (IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0) + return false; + + if ((IS_HASWELL(dev) && !IS_HSW_ULX(dev)) || IS_BROADWELL(dev) || + (INTEL_INFO(dev)->gen >= 9)) + return true; + else + return false; +} + static int intel_dp_source_rates(struct drm_device *dev, const int **source_rates) { if (IS_SKYLAKE(dev)) { *source_rates = skl_rates; return ARRAY_SIZE(skl_rates); - } else if (IS_CHERRYVIEW(dev)) { - *source_rates = chv_rates; - return ARRAY_SIZE(chv_rates); } *source_rates = default_rates; - if (IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0) - /* WaDisableHBR2:skl */ - return (DP_LINK_BW_2_7 >> 3) + 1; - else if (INTEL_INFO(dev)->gen >= 8 || - (IS_HASWELL(dev) && !IS_HSW_ULX(dev))) + /* This depends on the fact that 5.4 is last value in the array */ + if (intel_dp_source_supports_hbr2(dev)) return (DP_LINK_BW_5_4 >> 3) + 1; else return (DP_LINK_BW_2_7 >> 3) + 1; @@ -3941,10 +3945,15 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp) } } - /* Training Pattern 3 support, both source and sink */ + /* Training Pattern 3 support, Intel platforms that support HBR2 alone + * have support for TP3 hence that check is used along with dpcd check + * to ensure TP3 can be enabled. + * SKL < B0: due it's WaDisableHBR2 is the only exception where TP3 is + * supported but still not enabled. + */ if (intel_dp->dpcd[DP_DPCD_REV] >= 0x12 && intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED && - (IS_HASWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 8)) { + intel_dp_source_supports_hbr2(dev)) { intel_dp->use_tps3 = true; DRM_DEBUG_KMS("Displayport TPS3 supported\n"); } else diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index 6e4cc5334f47..600afdbef8c9 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -357,6 +357,16 @@ intel_dp_mst_mode_valid(struct drm_connector *connector, return MODE_OK; } +static struct drm_encoder *intel_mst_atomic_best_encoder(struct drm_connector *connector, + struct drm_connector_state *state) +{ + struct intel_connector *intel_connector = to_intel_connector(connector); + struct intel_dp *intel_dp = intel_connector->mst_port; + struct intel_crtc *crtc = to_intel_crtc(state->crtc); + + return &intel_dp->mst_encoders[crtc->pipe]->base.base; +} + static struct drm_encoder *intel_mst_best_encoder(struct drm_connector *connector) { struct intel_connector *intel_connector = to_intel_connector(connector); @@ -367,6 +377,7 @@ static struct drm_encoder *intel_mst_best_encoder(struct drm_connector *connecto static const struct drm_connector_helper_funcs intel_dp_mst_connector_helper_funcs = { .get_modes = intel_dp_mst_get_modes, .mode_valid = intel_dp_mst_mode_valid, + .atomic_best_encoder = intel_mst_atomic_best_encoder, .best_encoder = intel_mst_best_encoder, }; diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 9b74ffae5f5a..7f2161a1ff5d 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1012,6 +1012,8 @@ static int intel_lr_context_pin(struct intel_engine_cs *ring, ret = intel_pin_and_map_ringbuffer_obj(ring->dev, ringbuf); if (ret) goto unpin_ctx_obj; + + ctx_obj->dirty = true; } return ret; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index e539314ae87e..4be66f60504d 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -275,6 +275,13 @@ struct intel_engine_cs { * Do we have some not yet emitted requests outstanding? */ struct drm_i915_gem_request *outstanding_lazy_request; + /** + * Seqno of request most recently submitted to request_list. + * Used exclusively by hang checker to avoid grabbing lock while + * inspecting request list. + */ + u32 last_submitted_seqno; + bool gpu_caches_dirty; wait_queue_head_t irq_queue; diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index a6d8a3ee7750..260389acfb77 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1274,10 +1274,12 @@ int i915_reg_read_ioctl(struct drm_device *dev, struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_reg_read *reg = data; struct register_whitelist const *entry = whitelist; + unsigned size; + u64 offset; int i, ret = 0; for (i = 0; i < ARRAY_SIZE(whitelist); i++, entry++) { - if (entry->offset == reg->offset && + if (entry->offset == (reg->offset & -entry->size) && (1 << INTEL_INFO(dev)->gen & entry->gen_bitmask)) break; } @@ -1285,23 +1287,33 @@ int i915_reg_read_ioctl(struct drm_device *dev, if (i == ARRAY_SIZE(whitelist)) return -EINVAL; + /* We use the low bits to encode extra flags as the register should + * be naturally aligned (and those that are not so aligned merely + * limit the available flags for that register). + */ + offset = entry->offset; + size = entry->size; + size |= reg->offset ^ offset; + intel_runtime_pm_get(dev_priv); - switch (entry->size) { + switch (size) { + case 8 | 1: + reg->val = I915_READ64_2x32(offset, offset+4); + break; case 8: - reg->val = I915_READ64(reg->offset); + reg->val = I915_READ64(offset); break; case 4: - reg->val = I915_READ(reg->offset); + reg->val = I915_READ(offset); break; case 2: - reg->val = I915_READ16(reg->offset); + reg->val = I915_READ16(offset); break; case 1: - reg->val = I915_READ8(reg->offset); + reg->val = I915_READ8(offset); break; default: - MISSING_CASE(entry->size); ret = -EINVAL; goto out; } diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index 214eceefc981..e671ad369416 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -301,7 +301,7 @@ static void imx_tve_encoder_prepare(struct drm_encoder *encoder) switch (tve->mode) { case TVE_MODE_VGA: - imx_drm_set_bus_format_pins(encoder, MEDIA_BUS_FMT_YUV8_1X24, + imx_drm_set_bus_format_pins(encoder, MEDIA_BUS_FMT_GBR888_1X24, tve->hsync_pin, tve->vsync_pin); break; case TVE_MODE_TVOUT: diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 74a9ce40ddc4..b4deb9cf9d71 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -21,6 +21,7 @@ #include <drm/drm_panel.h> #include <linux/videodev2.h> #include <video/of_display_timing.h> +#include <linux/of_graph.h> #include "imx-drm.h" @@ -208,7 +209,7 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data) { struct drm_device *drm = data; struct device_node *np = dev->of_node; - struct device_node *panel_node; + struct device_node *port; const u8 *edidp; struct imx_parallel_display *imxpd; int ret; @@ -234,11 +235,19 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data) imxpd->bus_format = MEDIA_BUS_FMT_RGB666_1X24_CPADHI; } - panel_node = of_parse_phandle(np, "fsl,panel", 0); - if (panel_node) { - imxpd->panel = of_drm_find_panel(panel_node); - if (!imxpd->panel) - return -EPROBE_DEFER; + /* port@1 is the output port */ + port = of_graph_get_port_by_id(np, 1); + if (port) { + struct device_node *endpoint, *remote; + + endpoint = of_get_child_by_name(port, "endpoint"); + if (endpoint) { + remote = of_graph_get_remote_port_parent(endpoint); + if (remote) + imxpd->panel = of_drm_find_panel(remote); + if (!imxpd->panel) + return -EPROBE_DEFER; + } } imxpd->dev = dev; diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c index 0d1dbb737933..247a424445f7 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c @@ -220,13 +220,15 @@ static int mdp4_plane_mode_set(struct drm_plane *plane, uint32_t op_mode = 0; uint32_t phasex_step = MDP4_VG_PHASE_STEP_DEFAULT; uint32_t phasey_step = MDP4_VG_PHASE_STEP_DEFAULT; - enum mdp4_frame_format frame_type = mdp4_get_frame_format(fb); + enum mdp4_frame_format frame_type; if (!(crtc && fb)) { DBG("%s: disabled!", mdp4_plane->name); return 0; } + frame_type = mdp4_get_frame_format(fb); + /* src values are in Q16 fixed point, convert to integer: */ src_x = src_x >> 16; src_y = src_y >> 16; diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c index 206f758f7d64..e253db5de5aa 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c @@ -76,7 +76,20 @@ static void mdp5_prepare_commit(struct msm_kms *kms, struct drm_atomic_state *st static void mdp5_complete_commit(struct msm_kms *kms, struct drm_atomic_state *state) { + int i; struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms)); + int nplanes = mdp5_kms->dev->mode_config.num_total_plane; + + for (i = 0; i < nplanes; i++) { + struct drm_plane *plane = state->planes[i]; + struct drm_plane_state *plane_state = state->plane_states[i]; + + if (!plane) + continue; + + mdp5_plane_complete_commit(plane, plane_state); + } + mdp5_disable(mdp5_kms); } diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h index e0eb24587c84..e79ac09b7216 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h @@ -227,6 +227,8 @@ void mdp5_plane_install_properties(struct drm_plane *plane, struct drm_mode_object *obj); uint32_t mdp5_plane_get_flush(struct drm_plane *plane); void mdp5_plane_complete_flip(struct drm_plane *plane); +void mdp5_plane_complete_commit(struct drm_plane *plane, + struct drm_plane_state *state); enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane); struct drm_plane *mdp5_plane_init(struct drm_device *dev, enum mdp5_pipe pipe, bool private_plane, uint32_t reg_offset); diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c index 57b8f56ae9d0..22275568ab8b 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c @@ -31,8 +31,6 @@ struct mdp5_plane { uint32_t nformats; uint32_t formats[32]; - - bool enabled; }; #define to_mdp5_plane(x) container_of(x, struct mdp5_plane, base) @@ -56,22 +54,6 @@ static bool plane_enabled(struct drm_plane_state *state) return state->fb && state->crtc; } -static int mdp5_plane_disable(struct drm_plane *plane) -{ - struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane); - struct mdp5_kms *mdp5_kms = get_kms(plane); - enum mdp5_pipe pipe = mdp5_plane->pipe; - - DBG("%s: disable", mdp5_plane->name); - - if (mdp5_kms) { - /* Release the memory we requested earlier from the SMP: */ - mdp5_smp_release(mdp5_kms->smp, pipe); - } - - return 0; -} - static void mdp5_plane_destroy(struct drm_plane *plane) { struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane); @@ -224,7 +206,6 @@ static void mdp5_plane_atomic_update(struct drm_plane *plane, if (!plane_enabled(state)) { to_mdp5_plane_state(state)->pending = true; - mdp5_plane_disable(plane); } else if (to_mdp5_plane_state(state)->mode_changed) { int ret; to_mdp5_plane_state(state)->pending = true; @@ -602,6 +583,20 @@ uint32_t mdp5_plane_get_flush(struct drm_plane *plane) return mdp5_plane->flush_mask; } +/* called after vsync in thread context */ +void mdp5_plane_complete_commit(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct mdp5_kms *mdp5_kms = get_kms(plane); + struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane); + enum mdp5_pipe pipe = mdp5_plane->pipe; + + if (!plane_enabled(plane->state)) { + DBG("%s: free SMP", mdp5_plane->name); + mdp5_smp_release(mdp5_kms->smp, pipe); + } +} + /* initialize plane */ struct drm_plane *mdp5_plane_init(struct drm_device *dev, enum mdp5_pipe pipe, bool private_plane, uint32_t reg_offset) diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c index 16702aecf0df..64a27d86f2f5 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.c @@ -34,22 +34,44 @@ * and CANNOT be re-allocated (eg: MMB0 and MMB1 both tied to RGB0). * * For each block that can be dynamically allocated, it can be either - * free, or pending/in-use by a client. The updates happen in three steps: + * free: + * The block is free. + * + * pending: + * The block is allocated to some client and not free. + * + * configured: + * The block is allocated to some client, and assigned to that + * client in MDP5_MDP_SMP_ALLOC registers. + * + * inuse: + * The block is being actively used by a client. + * + * The updates happen in the following steps: * * 1) mdp5_smp_request(): * When plane scanout is setup, calculate required number of - * blocks needed per client, and request. Blocks not inuse or - * pending by any other client are added to client's pending - * set. + * blocks needed per client, and request. Blocks neither inuse nor + * configured nor pending by any other client are added to client's + * pending set. + * For shrinking, blocks in pending but not in configured can be freed + * directly, but those already in configured will be freed later by + * mdp5_smp_commit. * * 2) mdp5_smp_configure(): * As hw is programmed, before FLUSH, MDP5_MDP_SMP_ALLOC registers * are configured for the union(pending, inuse) + * Current pending is copied to configured. + * It is assumed that mdp5_smp_request and mdp5_smp_configure not run + * concurrently for the same pipe. * * 3) mdp5_smp_commit(): - * After next vblank, copy pending -> inuse. Optionally update + * After next vblank, copy configured -> inuse. Optionally update * MDP5_SMP_ALLOC registers if there are newly unused blocks * + * 4) mdp5_smp_release(): + * Must be called after the pipe is disabled and no longer uses any SMB + * * On the next vblank after changes have been committed to hw, the * client's pending blocks become it's in-use blocks (and no-longer * in-use blocks become available to other clients). @@ -77,6 +99,9 @@ struct mdp5_smp { struct mdp5_client_smp_state client_state[MAX_CLIENTS]; }; +static void update_smp_state(struct mdp5_smp *smp, + u32 cid, mdp5_smp_state_t *assigned); + static inline struct mdp5_kms *get_kms(struct mdp5_smp *smp) { @@ -149,7 +174,12 @@ static int smp_request_block(struct mdp5_smp *smp, for (i = cur_nblks; i > nblks; i--) { int blk = find_first_bit(ps->pending, cnt); clear_bit(blk, ps->pending); - /* don't clear in global smp_state until _commit() */ + + /* clear in global smp_state if not in configured + * otherwise until _commit() + */ + if (!test_bit(blk, ps->configured)) + clear_bit(blk, smp->state); } } @@ -223,10 +253,33 @@ int mdp5_smp_request(struct mdp5_smp *smp, enum mdp5_pipe pipe, u32 fmt, u32 wid /* Release SMP blocks for all clients of the pipe */ void mdp5_smp_release(struct mdp5_smp *smp, enum mdp5_pipe pipe) { - int i, nblks; + int i; + unsigned long flags; + int cnt = smp->blk_cnt; + + for (i = 0; i < pipe2nclients(pipe); i++) { + mdp5_smp_state_t assigned; + u32 cid = pipe2client(pipe, i); + struct mdp5_client_smp_state *ps = &smp->client_state[cid]; + + spin_lock_irqsave(&smp->state_lock, flags); + + /* clear hw assignment */ + bitmap_or(assigned, ps->inuse, ps->configured, cnt); + update_smp_state(smp, CID_UNUSED, &assigned); + + /* free to global pool */ + bitmap_andnot(smp->state, smp->state, ps->pending, cnt); + bitmap_andnot(smp->state, smp->state, assigned, cnt); + + /* clear client's infor */ + bitmap_zero(ps->pending, cnt); + bitmap_zero(ps->configured, cnt); + bitmap_zero(ps->inuse, cnt); + + spin_unlock_irqrestore(&smp->state_lock, flags); + } - for (i = 0, nblks = 0; i < pipe2nclients(pipe); i++) - smp_request_block(smp, pipe2client(pipe, i), 0); set_fifo_thresholds(smp, pipe, 0); } @@ -274,12 +327,20 @@ void mdp5_smp_configure(struct mdp5_smp *smp, enum mdp5_pipe pipe) u32 cid = pipe2client(pipe, i); struct mdp5_client_smp_state *ps = &smp->client_state[cid]; - bitmap_or(assigned, ps->inuse, ps->pending, cnt); + /* + * if vblank has not happened since last smp_configure + * skip the configure for now + */ + if (!bitmap_equal(ps->inuse, ps->configured, cnt)) + continue; + + bitmap_copy(ps->configured, ps->pending, cnt); + bitmap_or(assigned, ps->inuse, ps->configured, cnt); update_smp_state(smp, cid, &assigned); } } -/* step #3: after vblank, copy pending -> inuse: */ +/* step #3: after vblank, copy configured -> inuse: */ void mdp5_smp_commit(struct mdp5_smp *smp, enum mdp5_pipe pipe) { int cnt = smp->blk_cnt; @@ -295,7 +356,7 @@ void mdp5_smp_commit(struct mdp5_smp *smp, enum mdp5_pipe pipe) * using, which can be released and made available to other * clients: */ - if (bitmap_andnot(released, ps->inuse, ps->pending, cnt)) { + if (bitmap_andnot(released, ps->inuse, ps->configured, cnt)) { unsigned long flags; spin_lock_irqsave(&smp->state_lock, flags); @@ -306,7 +367,7 @@ void mdp5_smp_commit(struct mdp5_smp *smp, enum mdp5_pipe pipe) update_smp_state(smp, CID_UNUSED, &released); } - bitmap_copy(ps->inuse, ps->pending, cnt); + bitmap_copy(ps->inuse, ps->configured, cnt); } } diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.h index e47179f63585..5b6c2363f592 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.h +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_smp.h @@ -23,6 +23,7 @@ struct mdp5_client_smp_state { mdp5_smp_state_t inuse; + mdp5_smp_state_t configured; mdp5_smp_state_t pending; }; diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index 1b22d8bfe142..1ceb4f22dd89 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -283,12 +283,8 @@ int msm_atomic_commit(struct drm_device *dev, timeout = ktime_add_ms(ktime_get(), 1000); - ret = msm_wait_fence_interruptable(dev, c->fence, &timeout); - if (ret) { - WARN_ON(ret); // TODO unswap state back? or?? - commit_destroy(c); - return ret; - } + /* uninterruptible wait */ + msm_wait_fence(dev, c->fence, &timeout, false); complete_commit(c); diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index b7ef56ed8d1c..d3467b115e04 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -637,8 +637,8 @@ static void msm_debugfs_cleanup(struct drm_minor *minor) * Fences: */ -int msm_wait_fence_interruptable(struct drm_device *dev, uint32_t fence, - ktime_t *timeout) +int msm_wait_fence(struct drm_device *dev, uint32_t fence, + ktime_t *timeout , bool interruptible) { struct msm_drm_private *priv = dev->dev_private; int ret; @@ -667,7 +667,12 @@ int msm_wait_fence_interruptable(struct drm_device *dev, uint32_t fence, remaining_jiffies = timespec_to_jiffies(&ts); } - ret = wait_event_interruptible_timeout(priv->fence_event, + if (interruptible) + ret = wait_event_interruptible_timeout(priv->fence_event, + fence_completed(dev, fence), + remaining_jiffies); + else + ret = wait_event_timeout(priv->fence_event, fence_completed(dev, fence), remaining_jiffies); @@ -853,7 +858,7 @@ static int msm_ioctl_wait_fence(struct drm_device *dev, void *data, return -EINVAL; } - return msm_wait_fence_interruptable(dev, args->fence, &timeout); + return msm_wait_fence(dev, args->fence, &timeout, true); } static const struct drm_ioctl_desc msm_ioctls[] = { diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index e7c5ea125d45..4ff0ec9c994b 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -164,8 +164,8 @@ int msm_atomic_commit(struct drm_device *dev, int msm_register_mmu(struct drm_device *dev, struct msm_mmu *mmu); -int msm_wait_fence_interruptable(struct drm_device *dev, uint32_t fence, - ktime_t *timeout); +int msm_wait_fence(struct drm_device *dev, uint32_t fence, + ktime_t *timeout, bool interruptible); int msm_queue_fence_cb(struct drm_device *dev, struct msm_fence_cb *cb, uint32_t fence); void msm_update_fence(struct drm_device *dev, uint32_t fence); diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index f211b80e3a1e..c76cc853b08a 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -460,7 +460,7 @@ int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout) if (op & MSM_PREP_NOSYNC) timeout = NULL; - ret = msm_wait_fence_interruptable(dev, fence, timeout); + ret = msm_wait_fence(dev, fence, timeout, true); } /* TODO cache maintenance */ diff --git a/drivers/gpu/drm/msm/msm_gem_prime.c b/drivers/gpu/drm/msm/msm_gem_prime.c index dd7a7ab603e2..831461bc98a5 100644 --- a/drivers/gpu/drm/msm/msm_gem_prime.c +++ b/drivers/gpu/drm/msm/msm_gem_prime.c @@ -23,8 +23,12 @@ struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj) { struct msm_gem_object *msm_obj = to_msm_bo(obj); - BUG_ON(!msm_obj->sgt); /* should have already pinned! */ - return msm_obj->sgt; + int npages = obj->size >> PAGE_SHIFT; + + if (WARN_ON(!msm_obj->pages)) /* should have already pinned! */ + return NULL; + + return drm_prime_pages_to_sg(msm_obj->pages, npages); } void *msm_gem_prime_vmap(struct drm_gem_object *obj) diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 649024d4daf1..477cbb12809b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -128,6 +128,7 @@ nouveau_cli_destroy(struct nouveau_cli *cli) nvkm_vm_ref(NULL, &nvxx_client(&cli->base)->vm, NULL); nvif_client_fini(&cli->base); usif_client_fini(cli); + kfree(cli); } static void @@ -865,8 +866,10 @@ nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv) pm_runtime_get_sync(dev->dev); + mutex_lock(&cli->mutex); if (cli->abi16) nouveau_abi16_fini(cli->abi16); + mutex_unlock(&cli->mutex); mutex_lock(&drm->client.mutex); list_del(&cli->head); diff --git a/drivers/gpu/drm/nouveau/nouveau_platform.c b/drivers/gpu/drm/nouveau/nouveau_platform.c index 775277f1edb0..dcfbbfaf1739 100644 --- a/drivers/gpu/drm/nouveau/nouveau_platform.c +++ b/drivers/gpu/drm/nouveau/nouveau_platform.c @@ -92,6 +92,8 @@ static int nouveau_platform_power_down(struct nouveau_platform_gpu *gpu) return 0; } +#if IS_ENABLED(CONFIG_IOMMU_API) + static void nouveau_platform_probe_iommu(struct device *dev, struct nouveau_platform_gpu *gpu) { @@ -158,6 +160,20 @@ static void nouveau_platform_remove_iommu(struct device *dev, } } +#else + +static void nouveau_platform_probe_iommu(struct device *dev, + struct nouveau_platform_gpu *gpu) +{ +} + +static void nouveau_platform_remove_iommu(struct device *dev, + struct nouveau_platform_gpu *gpu) +{ +} + +#endif + static int nouveau_platform_probe(struct platform_device *pdev) { struct nouveau_platform_gpu *gpu; diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c index 18f449715788..7464aef34674 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.c +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c @@ -175,15 +175,24 @@ nouveau_gart_manager_new(struct ttm_mem_type_manager *man, node->page_shift = 12; switch (drm->device.info.family) { + case NV_DEVICE_INFO_V0_TNT: + case NV_DEVICE_INFO_V0_CELSIUS: + case NV_DEVICE_INFO_V0_KELVIN: + case NV_DEVICE_INFO_V0_RANKINE: + case NV_DEVICE_INFO_V0_CURIE: + break; case NV_DEVICE_INFO_V0_TESLA: if (drm->device.info.chipset != 0x50) node->memtype = (nvbo->tile_flags & 0x7f00) >> 8; break; case NV_DEVICE_INFO_V0_FERMI: case NV_DEVICE_INFO_V0_KEPLER: + case NV_DEVICE_INFO_V0_MAXWELL: node->memtype = (nvbo->tile_flags & 0xff00) >> 8; break; default: + NV_WARN(drm, "%s: unhandled family type %x\n", __func__, + drm->device.info.family); break; } diff --git a/drivers/gpu/drm/nouveau/nv04_fbcon.c b/drivers/gpu/drm/nouveau/nv04_fbcon.c index 4ef602c5469d..495c57644ced 100644 --- a/drivers/gpu/drm/nouveau/nv04_fbcon.c +++ b/drivers/gpu/drm/nouveau/nv04_fbcon.c @@ -203,7 +203,7 @@ nv04_fbcon_accel_init(struct fb_info *info) if (ret) return ret; - if (RING_SPACE(chan, 49)) { + if (RING_SPACE(chan, 49 + (device->info.chipset >= 0x11 ? 4 : 0))) { nouveau_fbcon_gpu_lockup(info); return 0; } diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 7da7958556a3..981342d142ff 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -979,7 +979,7 @@ nv50_crtc_cursor_show_hide(struct nouveau_crtc *nv_crtc, bool show, bool update) { struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev); - if (show && nv_crtc->cursor.nvbo) + if (show && nv_crtc->cursor.nvbo && nv_crtc->base.enabled) nv50_crtc_cursor_show(nv_crtc); else nv50_crtc_cursor_hide(nv_crtc); diff --git a/drivers/gpu/drm/nouveau/nv50_fbcon.c b/drivers/gpu/drm/nouveau/nv50_fbcon.c index 394c89abcc97..901130b06072 100644 --- a/drivers/gpu/drm/nouveau/nv50_fbcon.c +++ b/drivers/gpu/drm/nouveau/nv50_fbcon.c @@ -188,7 +188,7 @@ nv50_fbcon_accel_init(struct fb_info *info) if (ret) return ret; - ret = RING_SPACE(chan, 59); + ret = RING_SPACE(chan, 58); if (ret) { nouveau_fbcon_gpu_lockup(info); return ret; @@ -252,6 +252,7 @@ nv50_fbcon_accel_init(struct fb_info *info) OUT_RING(chan, info->var.yres_virtual); OUT_RING(chan, upper_32_bits(fb->vma.offset)); OUT_RING(chan, lower_32_bits(fb->vma.offset)); + FIRE_RING(chan); return 0; } diff --git a/drivers/gpu/drm/nouveau/nvc0_fbcon.c b/drivers/gpu/drm/nouveau/nvc0_fbcon.c index 61246677e8dc..fcd2e5f27bb9 100644 --- a/drivers/gpu/drm/nouveau/nvc0_fbcon.c +++ b/drivers/gpu/drm/nouveau/nvc0_fbcon.c @@ -188,7 +188,7 @@ nvc0_fbcon_accel_init(struct fb_info *info) return -EINVAL; } - ret = RING_SPACE(chan, 60); + ret = RING_SPACE(chan, 58); if (ret) { WARN_ON(1); nouveau_fbcon_gpu_lockup(info); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c index 9ef6728c528d..7f2f05f78cc8 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/gf110.c @@ -809,7 +809,7 @@ exec_lookup(struct nv50_disp_priv *priv, int head, int or, u32 ctrl, case 0x00000900: type = DCB_OUTPUT_DP; mask = 2; break; default: nv_error(priv, "unknown SOR mc 0x%08x\n", ctrl); - return 0x0000; + return NULL; } } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c index 5606c25e5d02..ca11ddb6ed46 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c @@ -663,6 +663,37 @@ gf100_gr_zbc_init(struct gf100_gr_priv *priv) gf100_gr_zbc_clear_depth(priv, index); } +/** + * Wait until GR goes idle. GR is considered idle if it is disabled by the + * MC (0x200) register, or GR is not busy and a context switch is not in + * progress. + */ +int +gf100_gr_wait_idle(struct gf100_gr_priv *priv) +{ + unsigned long end_jiffies = jiffies + msecs_to_jiffies(2000); + bool gr_enabled, ctxsw_active, gr_busy; + + do { + /* + * required to make sure FIFO_ENGINE_STATUS (0x2640) is + * up-to-date + */ + nv_rd32(priv, 0x400700); + + gr_enabled = nv_rd32(priv, 0x200) & 0x1000; + ctxsw_active = nv_rd32(priv, 0x2640) & 0x8000; + gr_busy = nv_rd32(priv, 0x40060c) & 0x1; + + if (!gr_enabled || (!gr_busy && !ctxsw_active)) + return 0; + } while (time_before(jiffies, end_jiffies)); + + nv_error(priv, "wait for idle timeout (en: %d, ctxsw: %d, busy: %d)\n", + gr_enabled, ctxsw_active, gr_busy); + return -EAGAIN; +} + void gf100_gr_mmio(struct gf100_gr_priv *priv, const struct gf100_gr_pack *p) { @@ -699,7 +730,13 @@ gf100_gr_icmd(struct gf100_gr_priv *priv, const struct gf100_gr_pack *p) while (addr < next) { nv_wr32(priv, 0x400200, addr); - nv_wait(priv, 0x400700, 0x00000002, 0x00000000); + /** + * Wait for GR to go idle after submitting a + * GO_IDLE bundle + */ + if ((addr & 0xffff) == 0xe100) + gf100_gr_wait_idle(priv); + nv_wait(priv, 0x400700, 0x00000004, 0x00000000); addr += init->pitch; } } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h index 8af1a89eda84..c9533fdac4fc 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h @@ -181,6 +181,7 @@ struct gf100_gr_oclass { int ppc_nr; }; +int gf100_gr_wait_idle(struct gf100_gr_priv *); void gf100_gr_mmio(struct gf100_gr_priv *, const struct gf100_gr_pack *); void gf100_gr_icmd(struct gf100_gr_priv *, const struct gf100_gr_pack *); void gf100_gr_mthd(struct gf100_gr_priv *, const struct gf100_gr_pack *); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c index 2006c445938d..4cf36a3aa814 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/base.c @@ -332,9 +332,12 @@ static void nvkm_perfctx_dtor(struct nvkm_object *object) { struct nvkm_pm *ppm = (void *)object->engine; + struct nvkm_perfctx *ctx = (void *)object; + mutex_lock(&nv_subdev(ppm)->mutex); - nvkm_engctx_destroy(&ppm->context->base); - ppm->context = NULL; + nvkm_engctx_destroy(&ctx->base); + if (ppm->context == ctx) + ppm->context = NULL; mutex_unlock(&nv_subdev(ppm)->mutex); } @@ -355,12 +358,11 @@ nvkm_perfctx_ctor(struct nvkm_object *parent, struct nvkm_object *engine, mutex_lock(&nv_subdev(ppm)->mutex); if (ppm->context == NULL) ppm->context = ctx; - mutex_unlock(&nv_subdev(ppm)->mutex); - if (ctx != ppm->context) - return -EBUSY; + ret = -EBUSY; + mutex_unlock(&nv_subdev(ppm)->mutex); - return 0; + return ret; } struct nvkm_oclass diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c index f67cdae1e90a..f4611e3f0971 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/init.c @@ -1285,6 +1285,44 @@ init_zm_reg_sequence(struct nvbios_init *init) } /** + * INIT_PLL_INDIRECT - opcode 0x59 + * + */ +static void +init_pll_indirect(struct nvbios_init *init) +{ + struct nvkm_bios *bios = init->bios; + u32 reg = nv_ro32(bios, init->offset + 1); + u16 addr = nv_ro16(bios, init->offset + 5); + u32 freq = (u32)nv_ro16(bios, addr) * 1000; + + trace("PLL_INDIRECT\tR[0x%06x] =PLL= VBIOS[%04x] = %dkHz\n", + reg, addr, freq); + init->offset += 7; + + init_prog_pll(init, reg, freq); +} + +/** + * INIT_ZM_REG_INDIRECT - opcode 0x5a + * + */ +static void +init_zm_reg_indirect(struct nvbios_init *init) +{ + struct nvkm_bios *bios = init->bios; + u32 reg = nv_ro32(bios, init->offset + 1); + u16 addr = nv_ro16(bios, init->offset + 5); + u32 data = nv_ro32(bios, addr); + + trace("ZM_REG_INDIRECT\tR[0x%06x] = VBIOS[0x%04x] = 0x%08x\n", + reg, addr, data); + init->offset += 7; + + init_wr32(init, addr, data); +} + +/** * INIT_SUB_DIRECT - opcode 0x5b * */ @@ -2145,6 +2183,8 @@ static struct nvbios_init_opcode { [0x56] = { init_condition_time }, [0x57] = { init_ltime }, [0x58] = { init_zm_reg_sequence }, + [0x59] = { init_pll_indirect }, + [0x5a] = { init_zm_reg_indirect }, [0x5b] = { init_sub_direct }, [0x5c] = { init_jump }, [0x5e] = { init_i2c_if }, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.c b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.c index 822d32a28d6e..065e9f5c8db9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.c @@ -180,7 +180,8 @@ gt215_clk_info(struct nvkm_clk *clock, int clk, u32 khz, struct gt215_clk_info *info) { struct gt215_clk_priv *priv = (void *)clock; - u32 oclk, sclk, sdiv, diff; + u32 oclk, sclk, sdiv; + s32 diff; info->clk = 0; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c index c0fdb89e74ac..24dcdfb58a8d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c @@ -38,6 +38,14 @@ gk20a_ibus_init_priv_ring(struct gk20a_ibus_priv *priv) nv_wr32(priv, 0x12004c, 0x4); nv_wr32(priv, 0x122204, 0x2); nv_rd32(priv, 0x122204); + + /* + * Bug: increase clock timeout to avoid operation failure at high + * gpcclk rate. + */ + nv_wr32(priv, 0x122354, 0x800); + nv_wr32(priv, 0x128328, 0x800); + nv_wr32(priv, 0x124320, 0x800); } static void diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c index 80614f1b2074..282143f49d72 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c @@ -50,7 +50,12 @@ nv04_instobj_dtor(struct nvkm_object *object) { struct nv04_instmem_priv *priv = (void *)nvkm_instmem(object); struct nv04_instobj_priv *node = (void *)object; + struct nvkm_subdev *subdev = (void *)priv; + + mutex_lock(&subdev->mutex); nvkm_mm_free(&priv->heap, &node->mem); + mutex_unlock(&subdev->mutex); + nvkm_instobj_destroy(&node->base); } @@ -62,6 +67,7 @@ nv04_instobj_ctor(struct nvkm_object *parent, struct nvkm_object *engine, struct nv04_instmem_priv *priv = (void *)nvkm_instmem(parent); struct nv04_instobj_priv *node; struct nvkm_instobj_args *args = data; + struct nvkm_subdev *subdev = (void *)priv; int ret; if (!args->align) @@ -72,8 +78,10 @@ nv04_instobj_ctor(struct nvkm_object *parent, struct nvkm_object *engine, if (ret) return ret; + mutex_lock(&subdev->mutex); ret = nvkm_mm_head(&priv->heap, 0, 1, args->size, args->size, args->align, &node->mem); + mutex_unlock(&subdev->mutex); if (ret) return ret; diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index dd39f434b4a7..c3872598b85a 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -2299,8 +2299,7 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder, encoder_mode = atombios_get_encoder_mode(encoder); if (connector && (radeon_audio != 0) && ((encoder_mode == ATOM_ENCODER_MODE_HDMI) || - (ENCODER_MODE_IS_DP(encoder_mode) && - drm_detect_monitor_audio(radeon_connector_edid(connector))))) + ENCODER_MODE_IS_DP(encoder_mode))) radeon_audio_mode_set(encoder, adjusted_mode); } diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 8730562323a8..4a09947be244 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -5818,7 +5818,7 @@ int ci_dpm_init(struct radeon_device *rdev) tmp |= DPM_ENABLED; break; default: - DRM_ERROR("Invalid PCC GPIO: %u!\n", gpio.shift); + DRM_DEBUG("Invalid PCC GPIO: %u!\n", gpio.shift); break; } WREG32_SMC(CNB_PWRMGT_CNTL, tmp); diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c index 68fd9fc677e3..44480c1b9738 100644 --- a/drivers/gpu/drm/radeon/dce6_afmt.c +++ b/drivers/gpu/drm/radeon/dce6_afmt.c @@ -93,30 +93,26 @@ void dce6_afmt_select_pin(struct drm_encoder *encoder) struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - u32 offset; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->offset; - - WREG32(AFMT_AUDIO_SRC_CONTROL + offset, - AFMT_AUDIO_SRC_SELECT(dig->afmt->pin->id)); + WREG32(AFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, + AFMT_AUDIO_SRC_SELECT(dig->pin->id)); } void dce6_afmt_write_latency_fields(struct drm_encoder *encoder, - struct drm_connector *connector, struct drm_display_mode *mode) + struct drm_connector *connector, + struct drm_display_mode *mode) { struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - u32 tmp = 0, offset; + u32 tmp = 0; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->pin->offset; - if (mode->flags & DRM_MODE_FLAG_INTERLACE) { if (connector->latency_present[1]) tmp = VIDEO_LIPSYNC(connector->video_latency[1]) | @@ -130,24 +126,24 @@ void dce6_afmt_write_latency_fields(struct drm_encoder *encoder, else tmp = VIDEO_LIPSYNC(0) | AUDIO_LIPSYNC(0); } - WREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); + WREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); } void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder, - u8 *sadb, int sad_count) + u8 *sadb, int sad_count) { struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - u32 offset, tmp; + u32 tmp; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->pin->offset; - /* program the speaker allocation */ - tmp = RREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); + tmp = RREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); tmp &= ~(DP_CONNECTION | SPEAKER_ALLOCATION_MASK); /* set HDMI mode */ tmp |= HDMI_CONNECTION; @@ -155,24 +151,24 @@ void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder, tmp |= SPEAKER_ALLOCATION(sadb[0]); else tmp |= SPEAKER_ALLOCATION(5); /* stereo */ - WREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); + WREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); } void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder, - u8 *sadb, int sad_count) + u8 *sadb, int sad_count) { struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - u32 offset, tmp; + u32 tmp; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->pin->offset; - /* program the speaker allocation */ - tmp = RREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); + tmp = RREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); tmp &= ~(HDMI_CONNECTION | SPEAKER_ALLOCATION_MASK); /* set DP mode */ tmp |= DP_CONNECTION; @@ -180,13 +176,13 @@ void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder, tmp |= SPEAKER_ALLOCATION(sadb[0]); else tmp |= SPEAKER_ALLOCATION(5); /* stereo */ - WREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); + WREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); } void dce6_afmt_write_sad_regs(struct drm_encoder *encoder, - struct cea_sad *sads, int sad_count) + struct cea_sad *sads, int sad_count) { - u32 offset; int i; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; @@ -206,11 +202,9 @@ void dce6_afmt_write_sad_regs(struct drm_encoder *encoder, { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, }; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->pin->offset; - for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { u32 value = 0; u8 stereo_freqs = 0; @@ -237,7 +231,7 @@ void dce6_afmt_write_sad_regs(struct drm_encoder *encoder, value |= SUPPORTED_FREQUENCIES_STEREO(stereo_freqs); - WREG32_ENDPOINT(offset, eld_reg_to_type[i][0], value); + WREG32_ENDPOINT(dig->pin->offset, eld_reg_to_type[i][0], value); } } @@ -253,7 +247,7 @@ void dce6_audio_enable(struct radeon_device *rdev, } void dce6_hdmi_audio_set_dto(struct radeon_device *rdev, - struct radeon_crtc *crtc, unsigned int clock) + struct radeon_crtc *crtc, unsigned int clock) { /* Two dtos; generally use dto0 for HDMI */ u32 value = 0; @@ -272,7 +266,7 @@ void dce6_hdmi_audio_set_dto(struct radeon_device *rdev, } void dce6_dp_audio_set_dto(struct radeon_device *rdev, - struct radeon_crtc *crtc, unsigned int clock) + struct radeon_crtc *crtc, unsigned int clock) { /* Two dtos; generally use dto1 for DP */ u32 value = 0; diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c index fa719c53449b..fbc8d88d6e5d 100644 --- a/drivers/gpu/drm/radeon/radeon_audio.c +++ b/drivers/gpu/drm/radeon/radeon_audio.c @@ -245,6 +245,28 @@ static struct radeon_audio_funcs dce6_dp_funcs = { static void radeon_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin, u8 enable_mask) { + struct drm_encoder *encoder; + struct radeon_encoder *radeon_encoder; + struct radeon_encoder_atom_dig *dig; + int pin_count = 0; + + if (!pin) + return; + + if (rdev->mode_info.mode_config_initialized) { + list_for_each_entry(encoder, &rdev->ddev->mode_config.encoder_list, head) { + if (radeon_encoder_is_digital(encoder)) { + radeon_encoder = to_radeon_encoder(encoder); + dig = radeon_encoder->enc_priv; + if (dig->pin == pin) + pin_count++; + } + } + + if ((pin_count > 1) && (enable_mask == 0)) + return; + } + if (rdev->audio.funcs->enable) rdev->audio.funcs->enable(rdev, pin, enable_mask); } @@ -336,24 +358,13 @@ void radeon_audio_endpoint_wreg(struct radeon_device *rdev, u32 offset, static void radeon_audio_write_sad_regs(struct drm_encoder *encoder) { - struct radeon_encoder *radeon_encoder; - struct drm_connector *connector; - struct radeon_connector *radeon_connector = NULL; + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct cea_sad *sads; int sad_count; - list_for_each_entry(connector, - &encoder->dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - radeon_connector = to_radeon_connector(connector); - break; - } - } - - if (!radeon_connector) { - DRM_ERROR("Couldn't find encoder's connector\n"); + if (!connector) return; - } sad_count = drm_edid_to_sad(radeon_connector_edid(connector), &sads); if (sad_count <= 0) { @@ -362,8 +373,6 @@ static void radeon_audio_write_sad_regs(struct drm_encoder *encoder) } BUG_ON(!sads); - radeon_encoder = to_radeon_encoder(encoder); - if (radeon_encoder->audio && radeon_encoder->audio->write_sad_regs) radeon_encoder->audio->write_sad_regs(encoder, sads, sad_count); @@ -372,27 +381,16 @@ static void radeon_audio_write_sad_regs(struct drm_encoder *encoder) static void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder) { + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); - struct drm_connector *connector; - struct radeon_connector *radeon_connector = NULL; u8 *sadb = NULL; int sad_count; - list_for_each_entry(connector, - &encoder->dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - radeon_connector = to_radeon_connector(connector); - break; - } - } - - if (!radeon_connector) { - DRM_ERROR("Couldn't find encoder's connector\n"); + if (!connector) return; - } - sad_count = drm_edid_to_speaker_allocation( - radeon_connector_edid(connector), &sadb); + sad_count = drm_edid_to_speaker_allocation(radeon_connector_edid(connector), + &sadb); if (sad_count < 0) { DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); @@ -406,26 +404,13 @@ static void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder) } static void radeon_audio_write_latency_fields(struct drm_encoder *encoder, - struct drm_display_mode *mode) + struct drm_display_mode *mode) { - struct radeon_encoder *radeon_encoder; - struct drm_connector *connector; - struct radeon_connector *radeon_connector = 0; - - list_for_each_entry(connector, - &encoder->dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - radeon_connector = to_radeon_connector(connector); - break; - } - } + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); - if (!radeon_connector) { - DRM_ERROR("Couldn't find encoder's connector\n"); + if (!connector) return; - } - - radeon_encoder = to_radeon_encoder(encoder); if (radeon_encoder->audio && radeon_encoder->audio->write_latency_fields) radeon_encoder->audio->write_latency_fields(encoder, connector, mode); @@ -451,29 +436,23 @@ static void radeon_audio_select_pin(struct drm_encoder *encoder) } void radeon_audio_detect(struct drm_connector *connector, + struct drm_encoder *encoder, enum drm_connector_status status) { - struct radeon_device *rdev; - struct radeon_encoder *radeon_encoder; + struct drm_device *dev = connector->dev; + struct radeon_device *rdev = dev->dev_private; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig; - if (!connector || !connector->encoder) + if (!radeon_audio_chipset_supported(rdev)) return; - rdev = connector->encoder->dev->dev_private; - - if (!radeon_audio_chipset_supported(rdev)) + if (!radeon_encoder_is_digital(encoder)) return; - radeon_encoder = to_radeon_encoder(connector->encoder); dig = radeon_encoder->enc_priv; if (status == connector_status_connected) { - if (!drm_detect_monitor_audio(radeon_connector_edid(connector))) { - radeon_encoder->audio = NULL; - return; - } - if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); @@ -486,11 +465,17 @@ void radeon_audio_detect(struct drm_connector *connector, radeon_encoder->audio = rdev->audio.hdmi_funcs; } - dig->afmt->pin = radeon_audio_get_pin(connector->encoder); - radeon_audio_enable(rdev, dig->afmt->pin, 0xf); + if (drm_detect_monitor_audio(radeon_connector_edid(connector))) { + if (!dig->pin) + dig->pin = radeon_audio_get_pin(encoder); + radeon_audio_enable(rdev, dig->pin, 0xf); + } else { + radeon_audio_enable(rdev, dig->pin, 0); + dig->pin = NULL; + } } else { - radeon_audio_enable(rdev, dig->afmt->pin, 0); - dig->afmt->pin = NULL; + radeon_audio_enable(rdev, dig->pin, 0); + dig->pin = NULL; } } @@ -518,29 +503,18 @@ static void radeon_audio_set_dto(struct drm_encoder *encoder, unsigned int clock } static int radeon_audio_set_avi_packet(struct drm_encoder *encoder, - struct drm_display_mode *mode) + struct drm_display_mode *mode) { struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - struct drm_connector *connector; - struct radeon_connector *radeon_connector = NULL; + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; struct hdmi_avi_infoframe frame; int err; - list_for_each_entry(connector, - &encoder->dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - radeon_connector = to_radeon_connector(connector); - break; - } - } - - if (!radeon_connector) { - DRM_ERROR("Couldn't find encoder's connector\n"); - return -ENOENT; - } + if (!connector) + return -EINVAL; err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode); if (err < 0) { @@ -563,8 +537,8 @@ static int radeon_audio_set_avi_packet(struct drm_encoder *encoder, return err; } - if (dig && dig->afmt && - radeon_encoder->audio && radeon_encoder->audio->set_avi_packet) + if (dig && dig->afmt && radeon_encoder->audio && + radeon_encoder->audio->set_avi_packet) radeon_encoder->audio->set_avi_packet(rdev, dig->afmt->offset, buffer, sizeof(buffer)); @@ -722,30 +696,41 @@ static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder, { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); if (!dig || !dig->afmt) return; - radeon_audio_set_mute(encoder, true); + if (!connector) + return; - radeon_audio_write_speaker_allocation(encoder); - radeon_audio_write_sad_regs(encoder); - radeon_audio_write_latency_fields(encoder, mode); - radeon_audio_set_dto(encoder, mode->clock); - radeon_audio_set_vbi_packet(encoder); - radeon_hdmi_set_color_depth(encoder); - radeon_audio_update_acr(encoder, mode->clock); - radeon_audio_set_audio_packet(encoder); - radeon_audio_select_pin(encoder); + if (drm_detect_monitor_audio(radeon_connector_edid(connector))) { + radeon_audio_set_mute(encoder, true); - if (radeon_audio_set_avi_packet(encoder, mode) < 0) - return; + radeon_audio_write_speaker_allocation(encoder); + radeon_audio_write_sad_regs(encoder); + radeon_audio_write_latency_fields(encoder, mode); + radeon_audio_set_dto(encoder, mode->clock); + radeon_audio_set_vbi_packet(encoder); + radeon_hdmi_set_color_depth(encoder); + radeon_audio_update_acr(encoder, mode->clock); + radeon_audio_set_audio_packet(encoder); + radeon_audio_select_pin(encoder); + + if (radeon_audio_set_avi_packet(encoder, mode) < 0) + return; - radeon_audio_set_mute(encoder, false); + radeon_audio_set_mute(encoder, false); + } else { + radeon_hdmi_set_color_depth(encoder); + + if (radeon_audio_set_avi_packet(encoder, mode) < 0) + return; + } } static void radeon_audio_dp_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode) + struct drm_display_mode *mode) { struct drm_device *dev = encoder->dev; struct radeon_device *rdev = dev->dev_private; @@ -759,22 +744,27 @@ static void radeon_audio_dp_mode_set(struct drm_encoder *encoder, if (!dig || !dig->afmt) return; - radeon_audio_write_speaker_allocation(encoder); - radeon_audio_write_sad_regs(encoder); - radeon_audio_write_latency_fields(encoder, mode); - if (rdev->clock.dp_extclk || ASIC_IS_DCE5(rdev)) - radeon_audio_set_dto(encoder, rdev->clock.default_dispclk * 10); - else - radeon_audio_set_dto(encoder, dig_connector->dp_clock); - radeon_audio_set_audio_packet(encoder); - radeon_audio_select_pin(encoder); - - if (radeon_audio_set_avi_packet(encoder, mode) < 0) + if (!connector) return; + + if (drm_detect_monitor_audio(radeon_connector_edid(connector))) { + radeon_audio_write_speaker_allocation(encoder); + radeon_audio_write_sad_regs(encoder); + radeon_audio_write_latency_fields(encoder, mode); + if (rdev->clock.dp_extclk || ASIC_IS_DCE5(rdev)) + radeon_audio_set_dto(encoder, rdev->clock.default_dispclk * 10); + else + radeon_audio_set_dto(encoder, dig_connector->dp_clock); + radeon_audio_set_audio_packet(encoder); + radeon_audio_select_pin(encoder); + + if (radeon_audio_set_avi_packet(encoder, mode) < 0) + return; + } } void radeon_audio_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode) + struct drm_display_mode *mode) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); diff --git a/drivers/gpu/drm/radeon/radeon_audio.h b/drivers/gpu/drm/radeon/radeon_audio.h index 8438304f7139..059cc3012062 100644 --- a/drivers/gpu/drm/radeon/radeon_audio.h +++ b/drivers/gpu/drm/radeon/radeon_audio.h @@ -68,7 +68,8 @@ struct radeon_audio_funcs int radeon_audio_init(struct radeon_device *rdev); void radeon_audio_detect(struct drm_connector *connector, - enum drm_connector_status status); + struct drm_encoder *encoder, + enum drm_connector_status status); u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg); void radeon_audio_endpoint_wreg(struct radeon_device *rdev, diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 3e5f6b71f3ad..c097d3a82bda 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -1255,10 +1255,15 @@ struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) && (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) { + u32 hss = (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8; + + if (hss > lvds->native_mode.hdisplay) + hss = (10 - 1) * 8; + lvds->native_mode.htotal = lvds->native_mode.hdisplay + (RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8; lvds->native_mode.hsync_start = lvds->native_mode.hdisplay + - (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8; + hss; lvds->native_mode.hsync_end = lvds->native_mode.hsync_start + (RBIOS8(tmp + 23) * 8); diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index cebb65e07e1d..94b21ae70ef7 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1379,8 +1379,16 @@ out: /* updated in get modes as well since we need to know if it's analog or digital */ radeon_connector_update_scratch_regs(connector, ret); - if (radeon_audio != 0) - radeon_audio_detect(connector, ret); + if ((radeon_audio != 0) && radeon_connector->use_digital) { + const struct drm_connector_helper_funcs *connector_funcs = + connector->helper_private; + + encoder = connector_funcs->best_encoder(connector); + if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) { + radeon_connector_get_edid(connector); + radeon_audio_detect(connector, encoder, ret); + } + } exit: pm_runtime_mark_last_busy(connector->dev->dev); @@ -1717,8 +1725,10 @@ radeon_dp_detect(struct drm_connector *connector, bool force) radeon_connector_update_scratch_regs(connector, ret); - if (radeon_audio != 0) - radeon_audio_detect(connector, ret); + if ((radeon_audio != 0) && encoder) { + radeon_connector_get_edid(connector); + radeon_audio_detect(connector, encoder, ret); + } out: pm_runtime_mark_last_busy(connector->dev->dev); diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c index 5450fa95a47e..c4777c8d0312 100644 --- a/drivers/gpu/drm/radeon/radeon_gart.c +++ b/drivers/gpu/drm/radeon/radeon_gart.c @@ -260,8 +260,10 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset, } } } - mb(); - radeon_gart_tlb_flush(rdev); + if (rdev->gart.ptr) { + mb(); + radeon_gart_tlb_flush(rdev); + } } /** @@ -306,8 +308,10 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset, page_base += RADEON_GPU_PAGE_SIZE; } } - mb(); - radeon_gart_tlb_flush(rdev); + if (rdev->gart.ptr) { + mb(); + radeon_gart_tlb_flush(rdev); + } return 0; } diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 013ec7106e55..3dcc5733ff69 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -36,6 +36,7 @@ void radeon_gem_object_free(struct drm_gem_object *gobj) if (robj) { if (robj->gem_base.import_attach) drm_prime_gem_destroy(&robj->gem_base, robj->tbo.sg); + radeon_mn_unregister(robj); radeon_bo_unref(&robj); } } diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index 1162bfa464f3..171d3e43c30c 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -79,6 +79,11 @@ static void radeon_hotplug_work_func(struct work_struct *work) struct drm_mode_config *mode_config = &dev->mode_config; struct drm_connector *connector; + /* we can race here at startup, some boards seem to trigger + * hotplug irqs when they shouldn't. */ + if (!rdev->mode_info.mode_config_initialized) + return; + mutex_lock(&mode_config->mutex); if (mode_config->num_connector) { list_for_each_entry(connector, &mode_config->connector_list, head) diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index 07909d817381..aecc3e3dec0c 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -237,7 +237,6 @@ struct radeon_afmt { int offset; bool last_buffer_filled_status; int id; - struct r600_audio_pin *pin; }; struct radeon_mode_info { @@ -439,6 +438,7 @@ struct radeon_encoder_atom_dig { uint8_t backlight_level; int panel_mode; struct radeon_afmt *afmt; + struct r600_audio_pin *pin; int active_mst_links; }; diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 318165d4855c..676362769b8d 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -75,7 +75,6 @@ static void radeon_ttm_bo_destroy(struct ttm_buffer_object *tbo) bo = container_of(tbo, struct radeon_bo, tbo); radeon_update_memory_usage(bo, bo->tbo.mem.mem_type, -1); - radeon_mn_unregister(bo); mutex_lock(&bo->rdev->gem.mutex); list_del_init(&bo->list); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 1dbdf3230dae..787cd8fd897f 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2926,6 +2926,7 @@ static struct si_dpm_quirk si_dpm_quirk_list[] = { /* PITCAIRN - https://bugs.freedesktop.org/show_bug.cgi?id=76490 */ { PCI_VENDOR_ID_ATI, 0x6810, 0x1462, 0x3036, 0, 120000 }, { PCI_VENDOR_ID_ATI, 0x6811, 0x174b, 0xe271, 0, 120000 }, + { PCI_VENDOR_ID_ATI, 0x6810, 0x174b, 0xe271, 85000, 90000 }, { 0, 0, 0, 0 }, }; diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c index 01b558fe3695..9a0c2911272a 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c @@ -555,7 +555,6 @@ static struct platform_driver rockchip_drm_platform_driver = { .probe = rockchip_drm_platform_probe, .remove = rockchip_drm_platform_remove, .driver = { - .owner = THIS_MODULE, .name = "rockchip-drm", .of_match_table = rockchip_drm_dt_ids, .pm = &rockchip_drm_pm_ops, diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index 77d52893d40f..002645bb5bbf 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -162,7 +162,8 @@ static void rockchip_drm_output_poll_changed(struct drm_device *dev) struct rockchip_drm_private *private = dev->dev_private; struct drm_fb_helper *fb_helper = &private->fbdev_helper; - drm_fb_helper_hotplug_event(fb_helper); + if (fb_helper) + drm_fb_helper_hotplug_event(fb_helper); } static const struct drm_mode_config_funcs rockchip_drm_mode_config_funcs = { diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index eb2282cc4a56..eba5f8a52fbd 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -54,55 +54,56 @@ static void rockchip_gem_free_buf(struct rockchip_gem_object *rk_obj) &rk_obj->dma_attrs); } -int rockchip_gem_mmap_buf(struct drm_gem_object *obj, - struct vm_area_struct *vma) +static int rockchip_drm_gem_object_mmap(struct drm_gem_object *obj, + struct vm_area_struct *vma) + { + int ret; struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj); struct drm_device *drm = obj->dev; - unsigned long vm_size; - vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP; - vm_size = vma->vm_end - vma->vm_start; - - if (vm_size > obj->size) - return -EINVAL; + /* + * dma_alloc_attrs() allocated a struct page table for rk_obj, so clear + * VM_PFNMAP flag that was set by drm_gem_mmap_obj()/drm_gem_mmap(). + */ + vma->vm_flags &= ~VM_PFNMAP; - return dma_mmap_attrs(drm->dev, vma, rk_obj->kvaddr, rk_obj->dma_addr, + ret = dma_mmap_attrs(drm->dev, vma, rk_obj->kvaddr, rk_obj->dma_addr, obj->size, &rk_obj->dma_attrs); + if (ret) + drm_gem_vm_close(vma); + + return ret; } -/* drm driver mmap file operations */ -int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma) +int rockchip_gem_mmap_buf(struct drm_gem_object *obj, + struct vm_area_struct *vma) { - struct drm_file *priv = filp->private_data; - struct drm_device *dev = priv->minor->dev; - struct drm_gem_object *obj; - struct drm_vma_offset_node *node; + struct drm_device *drm = obj->dev; int ret; - if (drm_device_is_unplugged(dev)) - return -ENODEV; + mutex_lock(&drm->struct_mutex); + ret = drm_gem_mmap_obj(obj, obj->size, vma); + mutex_unlock(&drm->struct_mutex); + if (ret) + return ret; - mutex_lock(&dev->struct_mutex); + return rockchip_drm_gem_object_mmap(obj, vma); +} - node = drm_vma_offset_exact_lookup(dev->vma_offset_manager, - vma->vm_pgoff, - vma_pages(vma)); - if (!node) { - mutex_unlock(&dev->struct_mutex); - DRM_ERROR("failed to find vma node.\n"); - return -EINVAL; - } else if (!drm_vma_node_is_allowed(node, filp)) { - mutex_unlock(&dev->struct_mutex); - return -EACCES; - } +/* drm driver mmap file operations */ +int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma) +{ + struct drm_gem_object *obj; + int ret; - obj = container_of(node, struct drm_gem_object, vma_node); - ret = rockchip_gem_mmap_buf(obj, vma); + ret = drm_gem_mmap(filp, vma); + if (ret) + return ret; - mutex_unlock(&dev->struct_mutex); + obj = vma->vm_private_data; - return ret; + return rockchip_drm_gem_object_mmap(obj, vma); } struct rockchip_gem_object * diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index dc65161d7cad..34b78e736532 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -170,6 +170,7 @@ struct vop_win_phy { struct vop_reg enable; struct vop_reg format; + struct vop_reg rb_swap; struct vop_reg act_info; struct vop_reg dsp_info; struct vop_reg dsp_st; @@ -199,8 +200,12 @@ struct vop_data { static const uint32_t formats_01[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_XBGR8888, + DRM_FORMAT_ABGR8888, DRM_FORMAT_RGB888, + DRM_FORMAT_BGR888, DRM_FORMAT_RGB565, + DRM_FORMAT_BGR565, DRM_FORMAT_NV12, DRM_FORMAT_NV16, DRM_FORMAT_NV24, @@ -209,8 +214,12 @@ static const uint32_t formats_01[] = { static const uint32_t formats_234[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, + DRM_FORMAT_XBGR8888, + DRM_FORMAT_ABGR8888, DRM_FORMAT_RGB888, + DRM_FORMAT_BGR888, DRM_FORMAT_RGB565, + DRM_FORMAT_BGR565, }; static const struct vop_win_phy win01_data = { @@ -218,6 +227,7 @@ static const struct vop_win_phy win01_data = { .nformats = ARRAY_SIZE(formats_01), .enable = VOP_REG(WIN0_CTRL0, 0x1, 0), .format = VOP_REG(WIN0_CTRL0, 0x7, 1), + .rb_swap = VOP_REG(WIN0_CTRL0, 0x1, 12), .act_info = VOP_REG(WIN0_ACT_INFO, 0x1fff1fff, 0), .dsp_info = VOP_REG(WIN0_DSP_INFO, 0x0fff0fff, 0), .dsp_st = VOP_REG(WIN0_DSP_ST, 0x1fff1fff, 0), @@ -234,6 +244,7 @@ static const struct vop_win_phy win23_data = { .nformats = ARRAY_SIZE(formats_234), .enable = VOP_REG(WIN2_CTRL0, 0x1, 0), .format = VOP_REG(WIN2_CTRL0, 0x7, 1), + .rb_swap = VOP_REG(WIN2_CTRL0, 0x1, 12), .dsp_info = VOP_REG(WIN2_DSP_INFO0, 0x0fff0fff, 0), .dsp_st = VOP_REG(WIN2_DSP_ST0, 0x1fff1fff, 0), .yrgb_mst = VOP_REG(WIN2_MST0, 0xffffffff, 0), @@ -242,15 +253,6 @@ static const struct vop_win_phy win23_data = { .dst_alpha_ctl = VOP_REG(WIN2_DST_ALPHA_CTRL, 0xff, 0), }; -static const struct vop_win_phy cursor_data = { - .data_formats = formats_234, - .nformats = ARRAY_SIZE(formats_234), - .enable = VOP_REG(HWC_CTRL0, 0x1, 0), - .format = VOP_REG(HWC_CTRL0, 0x7, 1), - .dsp_st = VOP_REG(HWC_DSP_ST, 0x1fff1fff, 0), - .yrgb_mst = VOP_REG(HWC_MST, 0xffffffff, 0), -}; - static const struct vop_ctrl ctrl_data = { .standby = VOP_REG(SYS_CTRL, 0x1, 22), .gate_en = VOP_REG(SYS_CTRL, 0x1, 23), @@ -282,14 +284,14 @@ static const struct vop_reg_data vop_init_reg_table[] = { /* * Note: rk3288 has a dedicated 'cursor' window, however, that window requires * special support to get alpha blending working. For now, just use overlay - * window 1 for the drm cursor. + * window 3 for the drm cursor. + * */ static const struct vop_win_data rk3288_vop_win_data[] = { { .base = 0x00, .phy = &win01_data, .type = DRM_PLANE_TYPE_PRIMARY }, - { .base = 0x40, .phy = &win01_data, .type = DRM_PLANE_TYPE_CURSOR }, + { .base = 0x40, .phy = &win01_data, .type = DRM_PLANE_TYPE_OVERLAY }, { .base = 0x00, .phy = &win23_data, .type = DRM_PLANE_TYPE_OVERLAY }, - { .base = 0x50, .phy = &win23_data, .type = DRM_PLANE_TYPE_OVERLAY }, - { .base = 0x00, .phy = &cursor_data, .type = DRM_PLANE_TYPE_OVERLAY }, + { .base = 0x50, .phy = &win23_data, .type = DRM_PLANE_TYPE_CURSOR }, }; static const struct vop_data rk3288_vop = { @@ -352,15 +354,32 @@ static inline void vop_mask_write_relaxed(struct vop *vop, uint32_t offset, } } +static bool has_rb_swapped(uint32_t format) +{ + switch (format) { + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: + case DRM_FORMAT_BGR888: + case DRM_FORMAT_BGR565: + return true; + default: + return false; + } +} + static enum vop_data_format vop_convert_format(uint32_t format) { switch (format) { case DRM_FORMAT_XRGB8888: case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_ABGR8888: return VOP_FMT_ARGB8888; case DRM_FORMAT_RGB888: + case DRM_FORMAT_BGR888: return VOP_FMT_RGB888; case DRM_FORMAT_RGB565: + case DRM_FORMAT_BGR565: return VOP_FMT_RGB565; case DRM_FORMAT_NV12: return VOP_FMT_YUV420SP; @@ -378,6 +397,7 @@ static bool is_alpha_support(uint32_t format) { switch (format) { case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_ABGR8888: return true; default: return false; @@ -588,6 +608,7 @@ static int vop_update_plane_event(struct drm_plane *plane, enum vop_data_format format; uint32_t val; bool is_alpha; + bool rb_swap; bool visible; int ret; struct drm_rect dest = { @@ -621,6 +642,7 @@ static int vop_update_plane_event(struct drm_plane *plane, return 0; is_alpha = is_alpha_support(fb->pixel_format); + rb_swap = has_rb_swapped(fb->pixel_format); format = vop_convert_format(fb->pixel_format); if (format < 0) return format; @@ -689,6 +711,7 @@ static int vop_update_plane_event(struct drm_plane *plane, val = (dsp_sty - 1) << 16; val |= (dsp_stx - 1) & 0xffff; VOP_WIN_SET(vop, win, dsp_st, val); + VOP_WIN_SET(vop, win, rb_swap, rb_swap); if (is_alpha) { VOP_WIN_SET(vop, win, dst_alpha_ctl, diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 882cccdad272..ac6fe40b99f7 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -490,7 +490,8 @@ pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp) else if (boot_cpu_data.x86 > 3) tmp = pgprot_noncached(tmp); #endif -#if defined(__ia64__) || defined(__arm__) || defined(__powerpc__) +#if defined(__ia64__) || defined(__arm__) || defined(__aarch64__) || \ + defined(__powerpc__) if (caching_flags & TTM_PL_FLAG_WC) tmp = pgprot_writecombine(tmp); else diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c index 3077f1554099..624d941aaad1 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c @@ -963,14 +963,13 @@ void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev) } else { pool->npages_free += count; list_splice(&ttm_dma->pages_list, &pool->free_list); - npages = count; - if (pool->npages_free > _manager->options.max_size) { + /* + * Wait to have at at least NUM_PAGES_TO_ALLOC number of pages + * to free in order to minimize calls to set_memory_wb(). + */ + if (pool->npages_free >= (_manager->options.max_size + + NUM_PAGES_TO_ALLOC)) npages = pool->npages_free - _manager->options.max_size; - /* free at least NUM_PAGES_TO_ALLOC number of pages - * to reduce calls to set_memory_wb */ - if (npages < NUM_PAGES_TO_ALLOC) - npages = NUM_PAGES_TO_ALLOC; - } } spin_unlock_irqrestore(&pool->lock, irq_flags); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 654c8daeb5ab..97ad3bcb99a7 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -2492,7 +2492,7 @@ int vmw_execbuf_process(struct drm_file *file_priv, ret = ttm_eu_reserve_buffers(&ticket, &sw_context->validate_nodes, true, NULL); if (unlikely(ret != 0)) - goto out_err; + goto out_err_nores; ret = vmw_validate_buffers(dev_priv, sw_context); if (unlikely(ret != 0)) @@ -2536,6 +2536,7 @@ int vmw_execbuf_process(struct drm_file *file_priv, vmw_resource_relocations_free(&sw_context->res_relocations); vmw_fifo_commit(dev_priv, command_size); + mutex_unlock(&dev_priv->binding_mutex); vmw_query_bo_switch_commit(dev_priv, sw_context); ret = vmw_execbuf_fence_commands(file_priv, dev_priv, @@ -2551,7 +2552,6 @@ int vmw_execbuf_process(struct drm_file *file_priv, DRM_ERROR("Fence submission error. Syncing.\n"); vmw_resource_list_unreserve(&sw_context->resource_list, false); - mutex_unlock(&dev_priv->binding_mutex); ttm_eu_fence_buffer_objects(&ticket, &sw_context->validate_nodes, (void *) fence); diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index 6d2f39d36e44..00f2058944e5 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -1107,6 +1107,9 @@ static int ipu_irq_init(struct ipu_soc *ipu) return ret; } + for (i = 0; i < IPU_NUM_IRQS; i += 32) + ipu_cm_write(ipu, 0, IPU_INT_CTRL(i / 32)); + for (i = 0; i < IPU_NUM_IRQS; i += 32) { gc = irq_get_domain_generic_chip(ipu->domain, i); gc->reg_base = ipu->cm_reg; diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index f822fd2a1ada..884d82f9190e 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -546,6 +546,12 @@ static const struct hid_device_id apple_devices[] = { .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS), .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO), diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 157c62775053..e6fce23b121a 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1782,6 +1782,9 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, @@ -2463,6 +2466,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { } diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c index 3318de690e00..a2dbbbe0d8d7 100644 --- a/drivers/hid/hid-cp2112.c +++ b/drivers/hid/hid-cp2112.c @@ -356,6 +356,8 @@ static int cp2112_read(struct cp2112_device *dev, u8 *data, size_t size) struct cp2112_force_read_report report; int ret; + if (size > sizeof(dev->read_data)) + size = sizeof(dev->read_data); report.report = CP2112_DATA_READ_FORCE_SEND; report.length = cpu_to_be16(size); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index b04b0820d816..b3b225b75d0a 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -142,6 +142,9 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI 0x0290 #define USB_DEVICE_ID_APPLE_WELLSPRING8_ISO 0x0291 #define USB_DEVICE_ID_APPLE_WELLSPRING8_JIS 0x0292 +#define USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI 0x0272 +#define USB_DEVICE_ID_APPLE_WELLSPRING9_ISO 0x0273 +#define USB_DEVICE_ID_APPLE_WELLSPRING9_JIS 0x0274 #define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY 0x030a #define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY 0x030b #define USB_DEVICE_ID_APPLE_IRCONTROL 0x8240 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 3511bbaba505..e3c63640df73 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -462,12 +462,15 @@ out: static void hidinput_cleanup_battery(struct hid_device *dev) { + const struct power_supply_desc *psy_desc; + if (!dev->battery) return; + psy_desc = dev->battery->desc; power_supply_unregister(dev->battery); - kfree(dev->battery->desc->name); - kfree(dev->battery->desc); + kfree(psy_desc->name); + kfree(psy_desc); dev->battery = NULL; } #else /* !CONFIG_HID_BATTERY_STRENGTH */ diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 6a9b05b328a9..7c811252c1ce 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -778,9 +778,16 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, /* * some egalax touchscreens have "application == HID_DG_TOUCHSCREEN" * for the stylus. + * The check for mt_report_id ensures we don't process + * HID_DG_CONTACTCOUNT from the pen report as it is outside the physical + * collection, but within the report ID. */ if (field->physical == HID_DG_STYLUS) return 0; + else if ((field->physical == 0) && + (field->report->id != td->mt_report_id) && + (td->mt_report_id != -1)) + return 0; if (field->application == HID_DG_TOUCHSCREEN || field->application == HID_DG_TOUCHPAD) diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic.c index 94167310e15a..b905d501e752 100644 --- a/drivers/hid/hid-uclogic.c +++ b/drivers/hid/hid-uclogic.c @@ -858,7 +858,7 @@ static int uclogic_tablet_enable(struct hid_device *hdev) for (p = drvdata->rdesc; p <= drvdata->rdesc + drvdata->rsize - 4;) { if (p[0] == 0xFE && p[1] == 0xED && p[2] == 0x1D && - p[3] < sizeof(params)) { + p[3] < ARRAY_SIZE(params)) { v = params[p[3]]; put_unaligned(cpu_to_le32(v), (s32 *)p); p += 4; diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 53e7de7cb9e2..20f9a653444c 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -87,6 +87,9 @@ static const struct hid_blacklist { { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C05A, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C06A, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_SURFACE_PRO_2, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3_JP, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER, HID_QUIRK_NO_INIT_REPORTS }, diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 4c0ffca97bef..01b937e63cf3 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -1271,17 +1271,52 @@ fail_leds: pad_input_dev = NULL; wacom_wac->pad_registered = false; fail_register_pad_input: - input_unregister_device(touch_input_dev); + if (touch_input_dev) + input_unregister_device(touch_input_dev); wacom_wac->touch_input = NULL; wacom_wac->touch_registered = false; fail_register_touch_input: - input_unregister_device(pen_input_dev); + if (pen_input_dev) + input_unregister_device(pen_input_dev); wacom_wac->pen_input = NULL; wacom_wac->pen_registered = false; fail_register_pen_input: return error; } +/* + * Not all devices report physical dimensions from HID. + * Compute the default from hardcoded logical dimension + * and resolution before driver overwrites them. + */ +static void wacom_set_default_phy(struct wacom_features *features) +{ + if (features->x_resolution) { + features->x_phy = (features->x_max * 100) / + features->x_resolution; + features->y_phy = (features->y_max * 100) / + features->y_resolution; + } +} + +static void wacom_calculate_res(struct wacom_features *features) +{ + /* set unit to "100th of a mm" for devices not reported by HID */ + if (!features->unit) { + features->unit = 0x11; + features->unitExpo = -3; + } + + features->x_resolution = wacom_calc_hid_res(features->x_max, + features->x_phy, + features->unit, + features->unitExpo); + features->y_resolution = wacom_calc_hid_res(features->y_max, + features->y_phy, + features->unit, + features->unitExpo); +} + static void wacom_wireless_work(struct work_struct *work) { struct wacom *wacom = container_of(work, struct wacom, work); @@ -1339,6 +1374,8 @@ static void wacom_wireless_work(struct work_struct *work) if (wacom_wac1->features.type != INTUOSHT && wacom_wac1->features.type != BAMBOO_PT) wacom_wac1->features.device_type |= WACOM_DEVICETYPE_PAD; + wacom_set_default_phy(&wacom_wac1->features); + wacom_calculate_res(&wacom_wac1->features); snprintf(wacom_wac1->pen_name, WACOM_NAME_MAX, "%s (WL) Pen", wacom_wac1->features.name); snprintf(wacom_wac1->pad_name, WACOM_NAME_MAX, "%s (WL) Pad", @@ -1357,7 +1394,9 @@ static void wacom_wireless_work(struct work_struct *work) wacom_wac2->features = *((struct wacom_features *)id->driver_data); wacom_wac2->features.pktlen = WACOM_PKGLEN_BBTOUCH3; + wacom_set_default_phy(&wacom_wac2->features); wacom_wac2->features.x_max = wacom_wac2->features.y_max = 4096; + wacom_calculate_res(&wacom_wac2->features); snprintf(wacom_wac2->touch_name, WACOM_NAME_MAX, "%s (WL) Finger",wacom_wac2->features.name); snprintf(wacom_wac2->pad_name, WACOM_NAME_MAX, @@ -1405,39 +1444,6 @@ void wacom_battery_work(struct work_struct *work) } } -/* - * Not all devices report physical dimensions from HID. - * Compute the default from hardcoded logical dimension - * and resolution before driver overwrites them. - */ -static void wacom_set_default_phy(struct wacom_features *features) -{ - if (features->x_resolution) { - features->x_phy = (features->x_max * 100) / - features->x_resolution; - features->y_phy = (features->y_max * 100) / - features->y_resolution; - } -} - -static void wacom_calculate_res(struct wacom_features *features) -{ - /* set unit to "100th of a mm" for devices not reported by HID */ - if (!features->unit) { - features->unit = 0x11; - features->unitExpo = -3; - } - - features->x_resolution = wacom_calc_hid_res(features->x_max, - features->x_phy, - features->unit, - features->unitExpo); - features->y_resolution = wacom_calc_hid_res(features->y_max, - features->y_phy, - features->unit, - features->unitExpo); -} - static size_t wacom_compute_pktlen(struct hid_device *hdev) { struct hid_report_enum *report_enum; diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 232da89f4e88..0d244239e55d 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2213,6 +2213,9 @@ void wacom_setup_device_quirks(struct wacom *wacom) features->x_max = 4096; features->y_max = 4096; } + else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) { + features->device_type |= WACOM_DEVICETYPE_PAD; + } } /* diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c index 37c16afe007a..c8487894b312 100644 --- a/drivers/hwmon/dell-smm-hwmon.c +++ b/drivers/hwmon/dell-smm-hwmon.c @@ -929,6 +929,21 @@ static struct dmi_system_id i8k_dmi_table[] __initdata = { MODULE_DEVICE_TABLE(dmi, i8k_dmi_table); +static struct dmi_system_id i8k_blacklist_dmi_table[] __initdata = { + { + /* + * CPU fan speed going up and down on Dell Studio XPS 8100 + * for unknown reasons. + */ + .ident = "Dell Studio XPS 8100", + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Studio XPS 8100"), + }, + }, + { } +}; + /* * Probe for the presence of a supported laptop. */ @@ -940,7 +955,8 @@ static int __init i8k_probe(void) /* * Get DMI information */ - if (!dmi_check_system(i8k_dmi_table)) { + if (!dmi_check_system(i8k_dmi_table) || + dmi_check_system(i8k_blacklist_dmi_table)) { if (!ignore_dmi && !force) return -ENODEV; diff --git a/drivers/hwmon/g762.c b/drivers/hwmon/g762.c index 9b55e673b67c..85d106fe3ce8 100644 --- a/drivers/hwmon/g762.c +++ b/drivers/hwmon/g762.c @@ -582,6 +582,7 @@ static const struct of_device_id g762_dt_match[] = { { .compatible = "gmt,g763" }, { }, }; +MODULE_DEVICE_TABLE(of, g762_dt_match); /* * Grab clock (a required property), enable it, get (fixed) clock frequency diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c index 28fcb2e246d5..fbfc02bb2cfa 100644 --- a/drivers/hwmon/nct7802.c +++ b/drivers/hwmon/nct7802.c @@ -195,7 +195,7 @@ abort: } static int nct7802_write_voltage(struct nct7802_data *data, int nr, int index, - unsigned int voltage) + unsigned long voltage) { int shift = 8 - REG_VOLTAGE_LIMIT_MSB_SHIFT[index - 1][nr]; int err; diff --git a/drivers/hwmon/nct7904.c b/drivers/hwmon/nct7904.c index b77b82f24480..08ff89d222e5 100644 --- a/drivers/hwmon/nct7904.c +++ b/drivers/hwmon/nct7904.c @@ -412,8 +412,9 @@ static ssize_t show_pwm(struct device *dev, return sprintf(buf, "%d\n", val); } -static ssize_t store_mode(struct device *dev, struct device_attribute *devattr, - const char *buf, size_t count) +static ssize_t store_enable(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) { int index = to_sensor_dev_attr(devattr)->index; struct nct7904_data *data = dev_get_drvdata(dev); @@ -422,18 +423,18 @@ static ssize_t store_mode(struct device *dev, struct device_attribute *devattr, if (kstrtoul(buf, 10, &val) < 0) return -EINVAL; - if (val > 1 || (val && !data->fan_mode[index])) + if (val < 1 || val > 2 || (val == 2 && !data->fan_mode[index])) return -EINVAL; ret = nct7904_write_reg(data, BANK_3, FANCTL1_FMR_REG + index, - val ? data->fan_mode[index] : 0); + val == 2 ? data->fan_mode[index] : 0); return ret ? ret : count; } -/* Return 0 for manual mode or 1 for SmartFan mode */ -static ssize_t show_mode(struct device *dev, - struct device_attribute *devattr, char *buf) +/* Return 1 for manual mode or 2 for SmartFan mode */ +static ssize_t show_enable(struct device *dev, + struct device_attribute *devattr, char *buf) { int index = to_sensor_dev_attr(devattr)->index; struct nct7904_data *data = dev_get_drvdata(dev); @@ -443,36 +444,36 @@ static ssize_t show_mode(struct device *dev, if (val < 0) return val; - return sprintf(buf, "%d\n", val ? 1 : 0); + return sprintf(buf, "%d\n", val ? 2 : 1); } /* 2 attributes per channel: pwm and mode */ -static SENSOR_DEVICE_ATTR(fan1_pwm, S_IRUGO | S_IWUSR, +static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 0); -static SENSOR_DEVICE_ATTR(fan1_mode, S_IRUGO | S_IWUSR, - show_mode, store_mode, 0); -static SENSOR_DEVICE_ATTR(fan2_pwm, S_IRUGO | S_IWUSR, +static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, + show_enable, store_enable, 0); +static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 1); -static SENSOR_DEVICE_ATTR(fan2_mode, S_IRUGO | S_IWUSR, - show_mode, store_mode, 1); -static SENSOR_DEVICE_ATTR(fan3_pwm, S_IRUGO | S_IWUSR, +static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, + show_enable, store_enable, 1); +static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 2); -static SENSOR_DEVICE_ATTR(fan3_mode, S_IRUGO | S_IWUSR, - show_mode, store_mode, 2); -static SENSOR_DEVICE_ATTR(fan4_pwm, S_IRUGO | S_IWUSR, +static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, + show_enable, store_enable, 2); +static SENSOR_DEVICE_ATTR(pwm4, S_IRUGO | S_IWUSR, show_pwm, store_pwm, 3); -static SENSOR_DEVICE_ATTR(fan4_mode, S_IRUGO | S_IWUSR, - show_mode, store_mode, 3); +static SENSOR_DEVICE_ATTR(pwm4_enable, S_IRUGO | S_IWUSR, + show_enable, store_enable, 3); static struct attribute *nct7904_fanctl_attrs[] = { - &sensor_dev_attr_fan1_pwm.dev_attr.attr, - &sensor_dev_attr_fan1_mode.dev_attr.attr, - &sensor_dev_attr_fan2_pwm.dev_attr.attr, - &sensor_dev_attr_fan2_mode.dev_attr.attr, - &sensor_dev_attr_fan3_pwm.dev_attr.attr, - &sensor_dev_attr_fan3_mode.dev_attr.attr, - &sensor_dev_attr_fan4_pwm.dev_attr.attr, - &sensor_dev_attr_fan4_mode.dev_attr.attr, + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, + &sensor_dev_attr_pwm3_enable.dev_attr.attr, + &sensor_dev_attr_pwm4.dev_attr.attr, + &sensor_dev_attr_pwm4_enable.dev_attr.attr, NULL }; @@ -574,6 +575,7 @@ static const struct i2c_device_id nct7904_id[] = { {"nct7904", 0}, {} }; +MODULE_DEVICE_TABLE(i2c, nct7904_id); static struct i2c_driver nct7904_driver = { .class = I2C_CLASS_HWMON, diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c index af162b4c7a6d..025686d41640 100644 --- a/drivers/i2c/busses/i2c-bfin-twi.c +++ b/drivers/i2c/busses/i2c-bfin-twi.c @@ -692,7 +692,7 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, iface); - dev_info(&pdev->dev, "Blackfin BF5xx on-chip I2C TWI Contoller, " + dev_info(&pdev->dev, "Blackfin BF5xx on-chip I2C TWI Controller, " "regs_base@%p\n", iface->regs_base); return 0; @@ -735,6 +735,6 @@ subsys_initcall(i2c_bfin_twi_init); module_exit(i2c_bfin_twi_exit); MODULE_AUTHOR("Bryan Wu, Sonic Zhang"); -MODULE_DESCRIPTION("Blackfin BF5xx on-chip I2C TWI Contoller Driver"); +MODULE_DESCRIPTION("Blackfin BF5xx on-chip I2C TWI Controller Driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:i2c-bfin-twi"); diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index d1c22e3fdd14..fc9bf7f30e35 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1247,7 +1247,14 @@ static void omap_i2c_prepare_recovery(struct i2c_adapter *adap) u32 reg; reg = omap_i2c_read_reg(dev, OMAP_I2C_SYSTEST_REG); + /* enable test mode */ reg |= OMAP_I2C_SYSTEST_ST_EN; + /* select SDA/SCL IO mode */ + reg |= 3 << OMAP_I2C_SYSTEST_TMODE_SHIFT; + /* set SCL to high-impedance state (reset value is 0) */ + reg |= OMAP_I2C_SYSTEST_SCL_O; + /* set SDA to high-impedance state (reset value is 0) */ + reg |= OMAP_I2C_SYSTEST_SDA_O; omap_i2c_write_reg(dev, OMAP_I2C_SYSTEST_REG, reg); } @@ -1257,7 +1264,11 @@ static void omap_i2c_unprepare_recovery(struct i2c_adapter *adap) u32 reg; reg = omap_i2c_read_reg(dev, OMAP_I2C_SYSTEST_REG); + /* restore reset values */ reg &= ~OMAP_I2C_SYSTEST_ST_EN; + reg &= ~OMAP_I2C_SYSTEST_TMODE_MASK; + reg &= ~OMAP_I2C_SYSTEST_SCL_O; + reg &= ~OMAP_I2C_SYSTEST_SDA_O; omap_i2c_write_reg(dev, OMAP_I2C_SYSTEST_REG, reg); } diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index e6d4935161e4..c83e4d13cfc5 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -567,6 +567,9 @@ static int i2c_generic_recovery(struct i2c_adapter *adap) if (bri->prepare_recovery) bri->prepare_recovery(adap); + bri->set_scl(adap, val); + ndelay(RECOVERY_NDELAY); + /* * By this time SCL is high, as we need to give 9 falling-rising edges */ @@ -597,7 +600,6 @@ static int i2c_generic_recovery(struct i2c_adapter *adap) int i2c_generic_scl_recovery(struct i2c_adapter *adap) { - adap->bus_recovery_info->set_scl(adap, 1); return i2c_generic_recovery(adap); } EXPORT_SYMBOL_GPL(i2c_generic_scl_recovery); @@ -1338,13 +1340,17 @@ static int of_dev_node_match(struct device *dev, void *data) struct i2c_client *of_find_i2c_device_by_node(struct device_node *node) { struct device *dev; + struct i2c_client *client; - dev = bus_find_device(&i2c_bus_type, NULL, node, - of_dev_node_match); + dev = bus_find_device(&i2c_bus_type, NULL, node, of_dev_node_match); if (!dev) return NULL; - return i2c_verify_client(dev); + client = i2c_verify_client(dev); + if (!client) + put_device(dev); + + return client; } EXPORT_SYMBOL(of_find_i2c_device_by_node); @@ -1352,13 +1358,17 @@ EXPORT_SYMBOL(of_find_i2c_device_by_node); struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node) { struct device *dev; + struct i2c_adapter *adapter; - dev = bus_find_device(&i2c_bus_type, NULL, node, - of_dev_node_match); + dev = bus_find_device(&i2c_bus_type, NULL, node, of_dev_node_match); if (!dev) return NULL; - return i2c_verify_adapter(dev); + adapter = i2c_verify_adapter(dev); + if (!adapter) + put_device(dev); + + return adapter; } EXPORT_SYMBOL(of_find_i2c_adapter_by_node); #else diff --git a/drivers/i2c/i2c-slave-eeprom.c b/drivers/i2c/i2c-slave-eeprom.c index 822374654609..1da449614779 100644 --- a/drivers/i2c/i2c-slave-eeprom.c +++ b/drivers/i2c/i2c-slave-eeprom.c @@ -80,9 +80,6 @@ static ssize_t i2c_slave_eeprom_bin_read(struct file *filp, struct kobject *kobj struct eeprom_data *eeprom; unsigned long flags; - if (off + count > attr->size) - return -EFBIG; - eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj)); spin_lock_irqsave(&eeprom->buffer_lock, flags); @@ -98,9 +95,6 @@ static ssize_t i2c_slave_eeprom_bin_write(struct file *filp, struct kobject *kob struct eeprom_data *eeprom; unsigned long flags; - if (off + count > attr->size) - return -EFBIG; - eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj)); spin_lock_irqsave(&eeprom->buffer_lock, flags); diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 2a36a95d95cf..3a3738fe016b 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -591,6 +591,67 @@ static struct cpuidle_state bdw_cstates[] = { .enter = NULL } }; +static struct cpuidle_state skl_cstates[] = { + { + .name = "C1-SKL", + .desc = "MWAIT 0x00", + .flags = MWAIT2flg(0x00), + .exit_latency = 2, + .target_residency = 2, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C1E-SKL", + .desc = "MWAIT 0x01", + .flags = MWAIT2flg(0x01), + .exit_latency = 10, + .target_residency = 20, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C3-SKL", + .desc = "MWAIT 0x10", + .flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 70, + .target_residency = 100, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C6-SKL", + .desc = "MWAIT 0x20", + .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 75, + .target_residency = 200, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C7s-SKL", + .desc = "MWAIT 0x33", + .flags = MWAIT2flg(0x33) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 124, + .target_residency = 800, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C8-SKL", + .desc = "MWAIT 0x40", + .flags = MWAIT2flg(0x40) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 174, + .target_residency = 800, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C10-SKL", + .desc = "MWAIT 0x60", + .flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 890, + .target_residency = 5000, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .enter = NULL } +}; + static struct cpuidle_state atom_cstates[] = { { .name = "C1E-ATM", @@ -810,6 +871,12 @@ static const struct idle_cpu idle_cpu_bdw = { .disable_promotion_to_c1e = true, }; +static const struct idle_cpu idle_cpu_skl = { + .state_table = skl_cstates, + .disable_promotion_to_c1e = true, +}; + + static const struct idle_cpu idle_cpu_avn = { .state_table = avn_cstates, .disable_promotion_to_c1e = true, @@ -844,6 +911,8 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = { ICPU(0x47, idle_cpu_bdw), ICPU(0x4f, idle_cpu_bdw), ICPU(0x56, idle_cpu_bdw), + ICPU(0x4e, idle_cpu_skl), + ICPU(0x5e, idle_cpu_skl), {} }; MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids); @@ -965,7 +1034,8 @@ static int __init intel_idle_cpuidle_driver_init(void) for (cstate = 0; cstate < CPUIDLE_STATE_MAX; ++cstate) { int num_substates, mwait_hint, mwait_cstate; - if (cpuidle_state_table[cstate].enter == NULL) + if ((cpuidle_state_table[cstate].enter == NULL) && + (cpuidle_state_table[cstate].enter_freeze == NULL)) break; if (cstate + 1 > max_cstate) { diff --git a/drivers/iio/accel/bmc150-accel.c b/drivers/iio/accel/bmc150-accel.c index 4e70f51c2370..cc5a35750b50 100644 --- a/drivers/iio/accel/bmc150-accel.c +++ b/drivers/iio/accel/bmc150-accel.c @@ -1464,7 +1464,7 @@ static void bmc150_accel_unregister_triggers(struct bmc150_accel_data *data, { int i; - for (i = from; i >= 0; i++) { + for (i = from; i >= 0; i--) { if (data->triggers[i].indio_trig) { iio_trigger_unregister(data->triggers[i].indio_trig); data->triggers[i].indio_trig = NULL; diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index e8e2077c7244..13ea1ea23328 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -557,21 +557,21 @@ static void mma8452_transient_interrupt(struct iio_dev *indio_dev) if (src & MMA8452_TRANSIENT_SRC_XTRANSE) iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_X, - IIO_EV_TYPE_THRESH, + IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING), ts); if (src & MMA8452_TRANSIENT_SRC_YTRANSE) iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_Y, - IIO_EV_TYPE_THRESH, + IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING), ts); if (src & MMA8452_TRANSIENT_SRC_ZTRANSE) iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_Z, - IIO_EV_TYPE_THRESH, + IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING), ts); } @@ -644,7 +644,7 @@ static int mma8452_reg_access_dbg(struct iio_dev *indio_dev, static const struct iio_event_spec mma8452_transient_event[] = { { - .type = IIO_EV_TYPE_THRESH, + .type = IIO_EV_TYPE_MAG, .dir = IIO_EV_DIR_RISING, .mask_separate = BIT(IIO_EV_INFO_ENABLE), .mask_shared_by_type = BIT(IIO_EV_INFO_VALUE) | diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 7c5565891cb8..eb0cd897714a 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -153,8 +153,7 @@ config DA9150_GPADC config CC10001_ADC tristate "Cosmic Circuits 10001 ADC driver" - depends on HAVE_CLK || REGULATOR - depends on HAS_IOMEM + depends on HAS_IOMEM && HAVE_CLK && REGULATOR select IIO_BUFFER select IIO_TRIGGERED_BUFFER help diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 8a0eb4a04fb5..7b40925dd4ff 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -182,7 +182,7 @@ struct at91_adc_caps { u8 ts_pen_detect_sensitivity; /* startup time calculate function */ - u32 (*calc_startup_ticks)(u8 startup_time, u32 adc_clk_khz); + u32 (*calc_startup_ticks)(u32 startup_time, u32 adc_clk_khz); u8 num_channels; struct at91_adc_reg_desc registers; @@ -201,7 +201,7 @@ struct at91_adc_state { u8 num_channels; void __iomem *reg_base; struct at91_adc_reg_desc *registers; - u8 startup_time; + u32 startup_time; u8 sample_hold_time; bool sleep_mode; struct iio_trigger **trig; @@ -779,7 +779,7 @@ ret: return ret; } -static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz) +static u32 calc_startup_ticks_9260(u32 startup_time, u32 adc_clk_khz) { /* * Number of ticks needed to cover the startup time of the ADC @@ -790,7 +790,7 @@ static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz) return round_up((startup_time * adc_clk_khz / 1000) - 1, 8) / 8; } -static u32 calc_startup_ticks_9x5(u8 startup_time, u32 adc_clk_khz) +static u32 calc_startup_ticks_9x5(u32 startup_time, u32 adc_clk_khz) { /* * For sama5d3x and at91sam9x5, the formula changes to: diff --git a/drivers/iio/adc/mcp320x.c b/drivers/iio/adc/mcp320x.c index 8d9c9b9215dd..d819823f7257 100644 --- a/drivers/iio/adc/mcp320x.c +++ b/drivers/iio/adc/mcp320x.c @@ -299,6 +299,8 @@ static int mcp320x_probe(struct spi_device *spi) indio_dev->channels = chip_info->channels; indio_dev->num_channels = chip_info->num_channels; + adc->chip_info = chip_info; + adc->transfer[0].tx_buf = &adc->tx_buf; adc->transfer[0].len = sizeof(adc->tx_buf); adc->transfer[1].rx_buf = adc->rx_buf; diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index 8d4e019ea4ca..9c311c1e1ac7 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -349,3 +349,7 @@ static struct platform_driver rockchip_saradc_driver = { }; module_platform_driver(rockchip_saradc_driver); + +MODULE_AUTHOR("Heiko Stuebner <heiko@sntech.de>"); +MODULE_DESCRIPTION("Rockchip SARADC driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c index 06f4792240f0..ebe415f10640 100644 --- a/drivers/iio/adc/twl4030-madc.c +++ b/drivers/iio/adc/twl4030-madc.c @@ -833,7 +833,8 @@ static int twl4030_madc_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, twl4030_madc_threaded_irq_handler, - IRQF_TRIGGER_RISING, "twl4030_madc", madc); + IRQF_TRIGGER_RISING | IRQF_ONESHOT, + "twl4030_madc", madc); if (ret) { dev_err(&pdev->dev, "could not request irq\n"); goto err_i2c; diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c index 480f335a0f9f..819632bf1fda 100644 --- a/drivers/iio/adc/vf610_adc.c +++ b/drivers/iio/adc/vf610_adc.c @@ -635,7 +635,7 @@ static int vf610_adc_reg_access(struct iio_dev *indio_dev, struct vf610_adc *info = iio_priv(indio_dev); if ((readval == NULL) || - (!(reg % 4) || (reg > VF610_REG_ADC_PCTL))) + ((reg % 4) || (reg > VF610_REG_ADC_PCTL))) return -EINVAL; *readval = readl(info->regs + reg); diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index 610fc98f88ef..595511022795 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -36,6 +36,8 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state) s32 poll_value = 0; if (state) { + if (!atomic_read(&st->user_requested_state)) + return 0; if (sensor_hub_device_open(st->hsdev)) return -EIO; @@ -52,8 +54,12 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state) poll_value = hid_sensor_read_poll_value(st); } else { - if (!atomic_dec_and_test(&st->data_ready)) + int val; + + val = atomic_dec_if_positive(&st->data_ready); + if (val < 0) return 0; + sensor_hub_device_close(st->hsdev); state_val = hid_sensor_get_usage_index(st->hsdev, st->power_state.report_id, @@ -92,9 +98,11 @@ EXPORT_SYMBOL(hid_sensor_power_state); int hid_sensor_power_state(struct hid_sensor_common *st, bool state) { + #ifdef CONFIG_PM int ret; + atomic_set(&st->user_requested_state, state); if (state) ret = pm_runtime_get_sync(&st->pdev->dev); else { @@ -109,6 +117,7 @@ int hid_sensor_power_state(struct hid_sensor_common *st, bool state) return 0; #else + atomic_set(&st->user_requested_state, state); return _hid_sensor_power_state(st, state); #endif } diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c index 61bb9d4239ea..e98428df0d44 100644 --- a/drivers/iio/dac/ad5624r_spi.c +++ b/drivers/iio/dac/ad5624r_spi.c @@ -22,7 +22,7 @@ #include "ad5624r.h" static int ad5624r_spi_write(struct spi_device *spi, - u8 cmd, u8 addr, u16 val, u8 len) + u8 cmd, u8 addr, u16 val, u8 shift) { u32 data; u8 msg[3]; @@ -35,7 +35,7 @@ static int ad5624r_spi_write(struct spi_device *spi, * 14-, 12-bit input code followed by 0, 2, or 4 don't care bits, * for the AD5664R, AD5644R, and AD5624R, respectively. */ - data = (0 << 22) | (cmd << 19) | (addr << 16) | (val << (16 - len)); + data = (0 << 22) | (cmd << 19) | (addr << 16) | (val << shift); msg[0] = data >> 16; msg[1] = data >> 8; msg[2] = data; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index 17d4bb15be4d..65ce86837177 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -431,6 +431,23 @@ static int inv_mpu6050_write_gyro_scale(struct inv_mpu6050_state *st, int val) return -EINVAL; } +static int inv_write_raw_get_fmt(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, long mask) +{ + switch (mask) { + case IIO_CHAN_INFO_SCALE: + switch (chan->type) { + case IIO_ANGL_VEL: + return IIO_VAL_INT_PLUS_NANO; + default: + return IIO_VAL_INT_PLUS_MICRO; + } + default: + return IIO_VAL_INT_PLUS_MICRO; + } + + return -EINVAL; +} static int inv_mpu6050_write_accel_scale(struct inv_mpu6050_state *st, int val) { int result, i; @@ -696,6 +713,7 @@ static const struct iio_info mpu_info = { .driver_module = THIS_MODULE, .read_raw = &inv_mpu6050_read_raw, .write_raw = &inv_mpu6050_write_raw, + .write_raw_get_fmt = &inv_write_raw_get_fmt, .attrs = &inv_attribute_group, .validate_trigger = inv_mpu6050_validate_trigger, }; diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig index e6198b7c9cbf..a5c59251ec0e 100644 --- a/drivers/iio/light/Kconfig +++ b/drivers/iio/light/Kconfig @@ -188,6 +188,7 @@ config SENSORS_LM3533 config LTR501 tristate "LTR-501ALS-01 light sensor" depends on I2C + select REGMAP_I2C select IIO_BUFFER select IIO_TRIGGERED_BUFFER help @@ -201,6 +202,7 @@ config LTR501 config STK3310 tristate "STK3310 ALS and proximity sensor" depends on I2C + select REGMAP_I2C help Say yes here to get support for the Sensortek STK3310 ambient light and proximity sensor. The STK3311 model is also supported by this diff --git a/drivers/iio/light/cm3323.c b/drivers/iio/light/cm3323.c index 869033e48a1f..a1d4905cc9d2 100644 --- a/drivers/iio/light/cm3323.c +++ b/drivers/iio/light/cm3323.c @@ -123,7 +123,7 @@ static int cm3323_set_it_bits(struct cm3323_data *data, int val, int val2) for (i = 0; i < ARRAY_SIZE(cm3323_int_time); i++) { if (val == cm3323_int_time[i].val && val2 == cm3323_int_time[i].val2) { - reg_conf = data->reg_conf; + reg_conf = data->reg_conf & ~CM3323_CONF_IT_MASK; reg_conf |= i << CM3323_CONF_IT_SHIFT; ret = i2c_smbus_write_word_data(data->client, diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c index 1ef7d3773ab9..b5a0e66b5f28 100644 --- a/drivers/iio/light/ltr501.c +++ b/drivers/iio/light/ltr501.c @@ -1302,7 +1302,7 @@ static int ltr501_init(struct ltr501_data *data) if (ret < 0) return ret; - data->als_contr = ret | data->chip_info->als_mode_active; + data->als_contr = status | data->chip_info->als_mode_active; ret = regmap_read(data->regmap, LTR501_PS_CONTR, &status); if (ret < 0) diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c index fee4297d7c8f..11a027adc204 100644 --- a/drivers/iio/light/stk3310.c +++ b/drivers/iio/light/stk3310.c @@ -43,7 +43,6 @@ #define STK3311_CHIP_ID_VAL 0x1D #define STK3310_PSINT_EN 0x01 #define STK3310_PS_MAX_VAL 0xFFFF -#define STK3310_THRESH_MAX 0xFFFF #define STK3310_DRIVER_NAME "stk3310" #define STK3310_REGMAP_NAME "stk3310_regmap" @@ -84,15 +83,13 @@ static const struct reg_field stk3310_reg_field_flag_psint = REG_FIELD(STK3310_REG_FLAG, 4, 4); static const struct reg_field stk3310_reg_field_flag_nf = REG_FIELD(STK3310_REG_FLAG, 0, 0); -/* - * Maximum PS values with regard to scale. Used to export the 'inverse' - * PS value (high values for far objects, low values for near objects). - */ + +/* Estimate maximum proximity values with regard to measurement scale. */ static const int stk3310_ps_max[4] = { - STK3310_PS_MAX_VAL / 64, - STK3310_PS_MAX_VAL / 16, - STK3310_PS_MAX_VAL / 4, - STK3310_PS_MAX_VAL, + STK3310_PS_MAX_VAL / 640, + STK3310_PS_MAX_VAL / 160, + STK3310_PS_MAX_VAL / 40, + STK3310_PS_MAX_VAL / 10 }; static const int stk3310_scale_table[][2] = { @@ -128,14 +125,14 @@ static const struct iio_event_spec stk3310_events[] = { /* Proximity event */ { .type = IIO_EV_TYPE_THRESH, - .dir = IIO_EV_DIR_FALLING, + .dir = IIO_EV_DIR_RISING, .mask_separate = BIT(IIO_EV_INFO_VALUE) | BIT(IIO_EV_INFO_ENABLE), }, /* Out-of-proximity event */ { .type = IIO_EV_TYPE_THRESH, - .dir = IIO_EV_DIR_RISING, + .dir = IIO_EV_DIR_FALLING, .mask_separate = BIT(IIO_EV_INFO_VALUE) | BIT(IIO_EV_INFO_ENABLE), }, @@ -203,25 +200,18 @@ static int stk3310_read_event(struct iio_dev *indio_dev, int *val, int *val2) { u8 reg; - u16 buf; + __be16 buf; int ret; - unsigned int index; struct stk3310_data *data = iio_priv(indio_dev); if (info != IIO_EV_INFO_VALUE) return -EINVAL; - /* - * Only proximity interrupts are implemented at the moment. - * Since we're inverting proximity values, the sensor's 'high' - * threshold will become our 'low' threshold, associated with - * 'near' events. Similarly, the sensor's 'low' threshold will - * be our 'high' threshold, associated with 'far' events. - */ + /* Only proximity interrupts are implemented at the moment. */ if (dir == IIO_EV_DIR_RISING) - reg = STK3310_REG_THDL_PS; - else if (dir == IIO_EV_DIR_FALLING) reg = STK3310_REG_THDH_PS; + else if (dir == IIO_EV_DIR_FALLING) + reg = STK3310_REG_THDL_PS; else return -EINVAL; @@ -232,8 +222,7 @@ static int stk3310_read_event(struct iio_dev *indio_dev, dev_err(&data->client->dev, "register read failed\n"); return ret; } - regmap_field_read(data->reg_ps_gain, &index); - *val = swab16(stk3310_ps_max[index] - buf); + *val = be16_to_cpu(buf); return IIO_VAL_INT; } @@ -246,7 +235,7 @@ static int stk3310_write_event(struct iio_dev *indio_dev, int val, int val2) { u8 reg; - u16 buf; + __be16 buf; int ret; unsigned int index; struct stk3310_data *data = iio_priv(indio_dev); @@ -257,13 +246,13 @@ static int stk3310_write_event(struct iio_dev *indio_dev, return -EINVAL; if (dir == IIO_EV_DIR_RISING) - reg = STK3310_REG_THDL_PS; - else if (dir == IIO_EV_DIR_FALLING) reg = STK3310_REG_THDH_PS; + else if (dir == IIO_EV_DIR_FALLING) + reg = STK3310_REG_THDL_PS; else return -EINVAL; - buf = swab16(stk3310_ps_max[index] - val); + buf = cpu_to_be16(val); ret = regmap_bulk_write(data->regmap, reg, &buf, 2); if (ret < 0) dev_err(&client->dev, "failed to set PS threshold!\n"); @@ -312,7 +301,7 @@ static int stk3310_read_raw(struct iio_dev *indio_dev, int *val, int *val2, long mask) { u8 reg; - u16 buf; + __be16 buf; int ret; unsigned int index; struct stk3310_data *data = iio_priv(indio_dev); @@ -333,15 +322,7 @@ static int stk3310_read_raw(struct iio_dev *indio_dev, mutex_unlock(&data->lock); return ret; } - *val = swab16(buf); - if (chan->type == IIO_PROXIMITY) { - /* - * Invert the proximity data so we return low values - * for close objects and high values for far ones. - */ - regmap_field_read(data->reg_ps_gain, &index); - *val = stk3310_ps_max[index] - *val; - } + *val = be16_to_cpu(buf); mutex_unlock(&data->lock); return IIO_VAL_INT; case IIO_CHAN_INFO_INT_TIME: @@ -581,8 +562,8 @@ static irqreturn_t stk3310_irq_event_handler(int irq, void *private) } event = IIO_UNMOD_EVENT_CODE(IIO_PROXIMITY, 1, IIO_EV_TYPE_THRESH, - (dir ? IIO_EV_DIR_RISING : - IIO_EV_DIR_FALLING)); + (dir ? IIO_EV_DIR_FALLING : + IIO_EV_DIR_RISING)); iio_push_event(indio_dev, event, data->timestamp); /* Reset the interrupt flag */ @@ -627,13 +608,7 @@ static int stk3310_probe(struct i2c_client *client, if (ret < 0) return ret; - ret = iio_device_register(indio_dev); - if (ret < 0) { - dev_err(&client->dev, "device_register failed\n"); - stk3310_set_state(data, STK3310_STATE_STANDBY); - } - - if (client->irq <= 0) + if (client->irq < 0) client->irq = stk3310_gpio_probe(client); if (client->irq >= 0) { @@ -648,6 +623,12 @@ static int stk3310_probe(struct i2c_client *client, client->irq); } + ret = iio_device_register(indio_dev); + if (ret < 0) { + dev_err(&client->dev, "device_register failed\n"); + stk3310_set_state(data, STK3310_STATE_STANDBY); + } + return ret; } diff --git a/drivers/iio/light/tcs3414.c b/drivers/iio/light/tcs3414.c index 71c2bde275aa..f8b1df018abe 100644 --- a/drivers/iio/light/tcs3414.c +++ b/drivers/iio/light/tcs3414.c @@ -185,7 +185,7 @@ static int tcs3414_write_raw(struct iio_dev *indio_dev, if (val != 0) return -EINVAL; for (i = 0; i < ARRAY_SIZE(tcs3414_times); i++) { - if (val == tcs3414_times[i] * 1000) { + if (val2 == tcs3414_times[i] * 1000) { data->timing &= ~TCS3414_INTEG_MASK; data->timing |= i; return i2c_smbus_write_byte_data( diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig index dcadfc4f0661..efb9350b0d76 100644 --- a/drivers/iio/magnetometer/Kconfig +++ b/drivers/iio/magnetometer/Kconfig @@ -90,6 +90,7 @@ config IIO_ST_MAGN_SPI_3AXIS config BMC150_MAGN tristate "Bosch BMC150 Magnetometer Driver" depends on I2C + select REGMAP_I2C select IIO_BUFFER select IIO_TRIGGERED_BUFFER help diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c index d4c178869991..1347a1f2e46f 100644 --- a/drivers/iio/magnetometer/bmc150_magn.c +++ b/drivers/iio/magnetometer/bmc150_magn.c @@ -706,11 +706,11 @@ static int bmc150_magn_init(struct bmc150_magn_data *data) goto err_poweroff; } if (chip_id != BMC150_MAGN_CHIP_ID_VAL) { - dev_err(&data->client->dev, "Invalid chip id 0x%x\n", ret); + dev_err(&data->client->dev, "Invalid chip id 0x%x\n", chip_id); ret = -ENODEV; goto err_poweroff; } - dev_dbg(&data->client->dev, "Chip id %x\n", ret); + dev_dbg(&data->client->dev, "Chip id %x\n", chip_id); preset = bmc150_magn_presets_table[BMC150_MAGN_DEFAULT_PRESET]; ret = bmc150_magn_set_odr(data, preset.odr); diff --git a/drivers/iio/magnetometer/mmc35240.c b/drivers/iio/magnetometer/mmc35240.c index 7a2ea71c659a..706ebfd6297f 100644 --- a/drivers/iio/magnetometer/mmc35240.c +++ b/drivers/iio/magnetometer/mmc35240.c @@ -84,10 +84,10 @@ #define MMC35240_OTP_START_ADDR 0x1B enum mmc35240_resolution { - MMC35240_16_BITS_SLOW = 0, /* 100 Hz */ - MMC35240_16_BITS_FAST, /* 200 Hz */ - MMC35240_14_BITS, /* 333 Hz */ - MMC35240_12_BITS, /* 666 Hz */ + MMC35240_16_BITS_SLOW = 0, /* 7.92 ms */ + MMC35240_16_BITS_FAST, /* 4.08 ms */ + MMC35240_14_BITS, /* 2.16 ms */ + MMC35240_12_BITS, /* 1.20 ms */ }; enum mmc35240_axis { @@ -100,22 +100,22 @@ static const struct { int sens[3]; /* sensitivity per X, Y, Z axis */ int nfo; /* null field output */ } mmc35240_props_table[] = { - /* 16 bits, 100Hz ODR */ + /* 16 bits, 125Hz ODR */ { {1024, 1024, 1024}, 32768, }, - /* 16 bits, 200Hz ODR */ + /* 16 bits, 250Hz ODR */ { {1024, 1024, 770}, 32768, }, - /* 14 bits, 333Hz ODR */ + /* 14 bits, 450Hz ODR */ { {256, 256, 193}, 8192, }, - /* 12 bits, 666Hz ODR */ + /* 12 bits, 800Hz ODR */ { {64, 64, 48}, 2048, @@ -133,9 +133,15 @@ struct mmc35240_data { int axis_scale[3]; }; -static const int mmc35240_samp_freq[] = {100, 200, 333, 666}; +static const struct { + int val; + int val2; +} mmc35240_samp_freq[] = { {1, 500000}, + {13, 0}, + {25, 0}, + {50, 0} }; -static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("100 200 333 666"); +static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("1.5 13 25 50"); #define MMC35240_CHANNEL(_axis) { \ .type = IIO_MAGN, \ @@ -168,7 +174,8 @@ static int mmc35240_get_samp_freq_index(struct mmc35240_data *data, int i; for (i = 0; i < ARRAY_SIZE(mmc35240_samp_freq); i++) - if (mmc35240_samp_freq[i] == val) + if (mmc35240_samp_freq[i].val == val && + mmc35240_samp_freq[i].val2 == val2) return i; return -EINVAL; } @@ -195,8 +202,8 @@ static int mmc35240_hw_set(struct mmc35240_data *data, bool set) coil_bit = MMC35240_CTRL0_RESET_BIT; return regmap_update_bits(data->regmap, MMC35240_REG_CTRL0, - MMC35240_CTRL0_REFILL_BIT, - coil_bit); + coil_bit, coil_bit); + } static int mmc35240_init(struct mmc35240_data *data) @@ -215,14 +222,15 @@ static int mmc35240_init(struct mmc35240_data *data) /* * make sure we restore sensor characteristics, by doing - * a RESET/SET sequence + * a SET/RESET sequence, the axis polarity being naturally + * aligned after RESET */ - ret = mmc35240_hw_set(data, false); + ret = mmc35240_hw_set(data, true); if (ret < 0) return ret; usleep_range(MMC53240_WAIT_SET_RESET, MMC53240_WAIT_SET_RESET + 1); - ret = mmc35240_hw_set(data, true); + ret = mmc35240_hw_set(data, false); if (ret < 0) return ret; @@ -378,9 +386,9 @@ static int mmc35240_read_raw(struct iio_dev *indio_dev, if (i < 0 || i >= ARRAY_SIZE(mmc35240_samp_freq)) return -EINVAL; - *val = mmc35240_samp_freq[i]; - *val2 = 0; - return IIO_VAL_INT; + *val = mmc35240_samp_freq[i].val; + *val2 = mmc35240_samp_freq[i].val2; + return IIO_VAL_INT_PLUS_MICRO; default: return -EINVAL; } @@ -496,6 +504,7 @@ static int mmc35240_probe(struct i2c_client *client, } data = iio_priv(indio_dev); + i2c_set_clientdata(client, indio_dev); data->client = client; data->regmap = regmap; data->res = MMC35240_16_BITS_SLOW; diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c index 2042e375f835..3d756bd8c703 100644 --- a/drivers/iio/proximity/sx9500.c +++ b/drivers/iio/proximity/sx9500.c @@ -80,6 +80,7 @@ #define SX9500_COMPSTAT_MASK GENMASK(3, 0) #define SX9500_NUM_CHANNELS 4 +#define SX9500_CHAN_MASK GENMASK(SX9500_NUM_CHANNELS - 1, 0) struct sx9500_data { struct mutex mutex; @@ -281,7 +282,7 @@ static int sx9500_read_prox_data(struct sx9500_data *data, if (ret < 0) return ret; - *val = 32767 - (s16)be16_to_cpu(regval); + *val = be16_to_cpu(regval); return IIO_VAL_INT; } @@ -329,27 +330,29 @@ static int sx9500_read_proximity(struct sx9500_data *data, else ret = sx9500_wait_for_sample(data); - if (ret < 0) - return ret; - mutex_lock(&data->mutex); - ret = sx9500_read_prox_data(data, chan, val); if (ret < 0) - goto out; + goto out_dec_data_rdy; - ret = sx9500_dec_chan_users(data, chan->channel); + ret = sx9500_read_prox_data(data, chan, val); if (ret < 0) - goto out; + goto out_dec_data_rdy; ret = sx9500_dec_data_rdy_users(data); if (ret < 0) + goto out_dec_chan; + + ret = sx9500_dec_chan_users(data, chan->channel); + if (ret < 0) goto out; ret = IIO_VAL_INT; goto out; +out_dec_data_rdy: + sx9500_dec_data_rdy_users(data); out_dec_chan: sx9500_dec_chan_users(data, chan->channel); out: @@ -679,7 +682,7 @@ out: static int sx9500_buffer_preenable(struct iio_dev *indio_dev) { struct sx9500_data *data = iio_priv(indio_dev); - int ret, i; + int ret = 0, i; mutex_lock(&data->mutex); @@ -703,7 +706,7 @@ static int sx9500_buffer_preenable(struct iio_dev *indio_dev) static int sx9500_buffer_predisable(struct iio_dev *indio_dev) { struct sx9500_data *data = iio_priv(indio_dev); - int ret, i; + int ret = 0, i; iio_triggered_buffer_predisable(indio_dev); @@ -800,8 +803,7 @@ static int sx9500_init_compensation(struct iio_dev *indio_dev) unsigned int val; ret = regmap_update_bits(data->regmap, SX9500_REG_PROX_CTRL0, - GENMASK(SX9500_NUM_CHANNELS, 0), - GENMASK(SX9500_NUM_CHANNELS, 0)); + SX9500_CHAN_MASK, SX9500_CHAN_MASK); if (ret < 0) return ret; @@ -821,7 +823,7 @@ static int sx9500_init_compensation(struct iio_dev *indio_dev) out: regmap_update_bits(data->regmap, SX9500_REG_PROX_CTRL0, - GENMASK(SX9500_NUM_CHANNELS, 0), 0); + SX9500_CHAN_MASK, 0); return ret; } diff --git a/drivers/iio/temperature/mlx90614.c b/drivers/iio/temperature/mlx90614.c index cb2e8ad8bfdc..7a2b639eaa96 100644 --- a/drivers/iio/temperature/mlx90614.c +++ b/drivers/iio/temperature/mlx90614.c @@ -204,7 +204,7 @@ static int mlx90614_read_raw(struct iio_dev *indio_dev, *val = ret; return IIO_VAL_INT; case IIO_CHAN_INFO_OFFSET: - *val = 13657; + *val = -13657; *val2 = 500000; return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_SCALE: diff --git a/drivers/iio/temperature/tmp006.c b/drivers/iio/temperature/tmp006.c index fcc49f89b946..8f21f32f9739 100644 --- a/drivers/iio/temperature/tmp006.c +++ b/drivers/iio/temperature/tmp006.c @@ -132,6 +132,9 @@ static int tmp006_write_raw(struct iio_dev *indio_dev, struct tmp006_data *data = iio_priv(indio_dev); int i; + if (mask != IIO_CHAN_INFO_SAMP_FREQ) + return -EINVAL; + for (i = 0; i < ARRAY_SIZE(tmp006_freqs); i++) if ((val == tmp006_freqs[i][0]) && (val2 == tmp006_freqs[i][1])) { diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index b1b73232f217..bbbe0184e592 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -736,6 +736,10 @@ static struct ib_mr *iwch_get_dma_mr(struct ib_pd *pd, int acc) /* * T3 only supports 32 bits of size. */ + if (sizeof(phys_addr_t) > 4) { + pr_warn_once(MOD "Cannot support dma_mrs on this platform.\n"); + return ERR_PTR(-ENOTSUPP); + } bl.size = 0xffffffff; bl.addr = 0; kva = 0; diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index c7aab48f07cd..92d518382a9f 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -814,7 +814,7 @@ static int c4iw_poll_cq_one(struct c4iw_cq *chp, struct ib_wc *wc) printk(KERN_ERR MOD "Unexpected cqe_status 0x%x for QPID=0x%0x\n", CQE_STATUS(&cqe), CQE_QPID(&cqe)); - ret = -EINVAL; + wc->status = IB_WC_FATAL_ERR; } } out: diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index 2d7e503d13cb..871dbe56216a 100644 --- a/drivers/infiniband/hw/ipath/ipath_driver.c +++ b/drivers/infiniband/hw/ipath/ipath_driver.c @@ -31,6 +31,8 @@ * SOFTWARE. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/idr.h> @@ -399,8 +401,8 @@ static int ipath_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) u32 bar0 = 0, bar1 = 0; #ifdef CONFIG_X86_64 - if (WARN(pat_enabled(), - "ipath needs PAT disabled, boot with nopat kernel parameter\n")) { + if (pat_enabled()) { + pr_warn("ipath needs PAT disabled, boot with nopat kernel parameter\n"); ret = -ENODEV; goto bail; } diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h index b396344fae16..6a36338593cd 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_H__ #define __OCRDMA_H__ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_abi.h b/drivers/infiniband/hw/ocrdma/ocrdma_abi.h index 1554cca5712a..430b1350fe96 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_abi.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_abi.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_ABI_H__ #define __OCRDMA_ABI_H__ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c index 29b27675dd70..44766fee1f4e 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #include <net/neighbour.h> #include <net/netevent.h> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.h b/drivers/infiniband/hw/ocrdma/ocrdma_ah.h index cf366fe03cb8..04a30ae67473 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_AH_H__ #define __OCRDMA_AH_H__ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 47615ff33bc6..aab391a15db4 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) CNA Adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #include <linux/sched.h> #include <linux/interrupt.h> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h index e905972fceb7..7ed885c1851e 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) CNA Adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_HW_H__ #define __OCRDMA_HW_H__ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index d98a707a5eb9..b119a3413a15 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #include <linux/module.h> #include <linux/idr.h> @@ -46,7 +61,7 @@ MODULE_VERSION(OCRDMA_ROCE_DRV_VERSION); MODULE_DESCRIPTION(OCRDMA_ROCE_DRV_DESC " " OCRDMA_ROCE_DRV_VERSION); MODULE_AUTHOR("Emulex Corporation"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("Dual BSD/GPL"); static LIST_HEAD(ocrdma_dev_list); static DEFINE_SPINLOCK(ocrdma_devlist_lock); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h index 02ad0aee99af..80006b24aa11 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_SLI_H__ #define __OCRDMA_SLI_H__ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c index 48d7ef51aa0c..69334e214571 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2014 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #include <rdma/ib_addr.h> #include <rdma/ib_pma.h> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.h b/drivers/infiniband/hw/ocrdma/ocrdma_stats.h index 091edd68a8a3..c9e58d04c7b8 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2014 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_STATS_H__ #define __OCRDMA_STATS_H__ diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 5bb61eb58f2c..bc84cd462ecf 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #include <linux/dma-mapping.h> #include <rdma/ib_verbs.h> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h index b15c608efa7b..eaccb2d3cb9f 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h @@ -1,21 +1,36 @@ -/******************************************************************* - * This file is part of the Emulex RoCE Device Driver for * - * RoCE (RDMA over Converged Ethernet) adapters. * - * Copyright (C) 2008-2012 Emulex. All rights reserved. * - * EMULEX and SLI are trademarks of Emulex. * - * www.emulex.com * - * * - * This program is free software; you can redistribute it and/or * - * modify it under the terms of version 2 of the GNU General * - * Public License as published by the Free Software Foundation. * - * This program is distributed in the hope that it will be useful. * - * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * - * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * - * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * - * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * - * TO BE LEGALLY INVALID. See the GNU General Public License for * - * more details, a copy of which can be found in the file COPYING * - * included with this package. * +/* This file is part of the Emulex RoCE Device Driver for + * RoCE (RDMA over Converged Ethernet) adapters. + * Copyright (C) 2012-2015 Emulex. All rights reserved. + * EMULEX and SLI are trademarks of Emulex. + * www.emulex.com + * + * This software is available to you under a choice of one of two licenses. + * You may choose to be licensed under the terms of the GNU General Public + * License (GPL) Version 2, available from the file COPYING in the main + * directory of this source tree, or the BSD license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact Information: * linux-drivers@emulex.com @@ -23,7 +38,7 @@ * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 - *******************************************************************/ + */ #ifndef __OCRDMA_VERBS_H__ #define __OCRDMA_VERBS_H__ diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c index 9e6ee82a8fd7..851c8219d501 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c @@ -177,7 +177,8 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca) else size += ipoib_recvq_size * ipoib_max_conn_qp; } else - goto out_free_wq; + if (ret != -ENOSYS) + goto out_free_wq; cq_attr.cqe = size; priv->recv_cq = ib_create_cq(priv->ca, ipoib_ib_completion, NULL, diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 771700963127..d851e1828d6f 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -775,6 +775,17 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) ret = isert_rdma_post_recvl(isert_conn); if (ret) goto out_conn_dev; + /* + * Obtain the second reference now before isert_rdma_accept() to + * ensure that any initiator generated REJECT CM event that occurs + * asynchronously won't drop the last reference until the error path + * in iscsi_target_login_sess_out() does it's ->iscsit_free_conn() -> + * isert_free_conn() -> isert_put_conn() -> kref_put(). + */ + if (!kref_get_unless_zero(&isert_conn->kref)) { + isert_warn("conn %p connect_release is running\n", isert_conn); + goto out_conn_dev; + } ret = isert_rdma_accept(isert_conn); if (ret) @@ -836,11 +847,6 @@ isert_connected_handler(struct rdma_cm_id *cma_id) isert_info("conn %p\n", isert_conn); - if (!kref_get_unless_zero(&isert_conn->kref)) { - isert_warn("conn %p connect_release is running\n", isert_conn); - return; - } - mutex_lock(&isert_conn->mutex); if (isert_conn->state != ISER_CONN_FULL_FEATURE) isert_conn->state = ISER_CONN_UP; diff --git a/drivers/input/input-leds.c b/drivers/input/input-leds.c index 074a65ed17bb..766bf2660116 100644 --- a/drivers/input/input-leds.c +++ b/drivers/input/input-leds.c @@ -71,6 +71,18 @@ static void input_leds_event(struct input_handle *handle, unsigned int type, { } +static int input_leds_get_count(struct input_dev *dev) +{ + unsigned int led_code; + int count = 0; + + for_each_set_bit(led_code, dev->ledbit, LED_CNT) + if (input_led_info[led_code].name) + count++; + + return count; +} + static int input_leds_connect(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id) @@ -81,7 +93,7 @@ static int input_leds_connect(struct input_handler *handler, int led_no; int error; - num_leds = bitmap_weight(dev->ledbit, LED_CNT); + num_leds = input_leds_get_count(dev); if (!num_leds) return -ENXIO; @@ -112,7 +124,7 @@ static int input_leds_connect(struct input_handler *handler, led->handle = &leds->handle; led->code = led_code; - if (WARN_ON(!input_led_info[led_code].name)) + if (!input_led_info[led_code].name) continue; led->cdev.name = kasprintf(GFP_KERNEL, "%s::%s", diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c index 27b6a3ce18ca..891797ad76bc 100644 --- a/drivers/input/joystick/turbografx.c +++ b/drivers/input/joystick/turbografx.c @@ -196,7 +196,7 @@ static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs) if (n_buttons[i] < 1) continue; - if (n_buttons[i] > 6) { + if (n_buttons[i] > ARRAY_SIZE(tgfx_buttons)) { printk(KERN_ERR "turbografx.c: Invalid number of buttons %d\n", n_buttons[i]); err = -EINVAL; goto err_unreg_devs; diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c index 097d7216d98e..c6dc644aa580 100644 --- a/drivers/input/keyboard/gpio_keys_polled.c +++ b/drivers/input/keyboard/gpio_keys_polled.c @@ -246,7 +246,7 @@ static int gpio_keys_polled_probe(struct platform_device *pdev) * convert it to descriptor. */ if (!button->gpiod && gpio_is_valid(button->gpio)) { - unsigned flags = 0; + unsigned flags = GPIOF_IN; if (button->active_low) flags |= GPIOF_ACTIVE_LOW; diff --git a/drivers/input/misc/axp20x-pek.c b/drivers/input/misc/axp20x-pek.c index 10e140af5aac..1ac898db303a 100644 --- a/drivers/input/misc/axp20x-pek.c +++ b/drivers/input/misc/axp20x-pek.c @@ -292,3 +292,4 @@ module_platform_driver(axp20x_pek_driver); MODULE_DESCRIPTION("axp20x Power Button"); MODULE_AUTHOR("Carlo Caione <carlo@caione.org>"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:axp20x-pek"); diff --git a/drivers/input/misc/twl4030-vibra.c b/drivers/input/misc/twl4030-vibra.c index fc17b9592f54..10c4e3d462f1 100644 --- a/drivers/input/misc/twl4030-vibra.c +++ b/drivers/input/misc/twl4030-vibra.c @@ -183,7 +183,8 @@ static bool twl4030_vibra_check_coexist(struct twl4030_vibra_data *pdata, if (pdata && pdata->coexist) return true; - if (of_find_node_by_name(node, "codec")) { + node = of_find_node_by_name(node, "codec"); + if (node) { of_node_put(node); return true; } diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 113d6f1516a5..4d246861d692 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -20,6 +20,7 @@ #include <linux/input/mt.h> #include <linux/serio.h> #include <linux/libps2.h> +#include <linux/dmi.h> #include "psmouse.h" #include "alps.h" @@ -99,6 +100,7 @@ static const struct alps_nibble_commands alps_v6_nibble_commands[] = { #define ALPS_FOUR_BUTTONS 0x40 /* 4 direction button present */ #define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with 6-byte ALPS packet */ +#define ALPS_DELL 0x100 /* device is a Dell laptop */ #define ALPS_BUTTONPAD 0x200 /* device is a clickpad */ static const struct alps_model_info alps_model_data[] = { @@ -251,9 +253,9 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse) return; } - /* Non interleaved V2 dualpoint has separate stick button bits */ + /* Dell non interleaved V2 dualpoint has separate stick button bits */ if (priv->proto_version == ALPS_PROTO_V2 && - priv->flags == (ALPS_PASS | ALPS_DUALPOINT)) { + priv->flags == (ALPS_DELL | ALPS_PASS | ALPS_DUALPOINT)) { left |= packet[0] & 1; right |= packet[0] & 2; middle |= packet[0] & 4; @@ -2550,6 +2552,8 @@ static int alps_set_protocol(struct psmouse *psmouse, priv->byte0 = protocol->byte0; priv->mask0 = protocol->mask0; priv->flags = protocol->flags; + if (dmi_name_in_vendors("Dell")) + priv->flags |= ALPS_DELL; priv->x_max = 2000; priv->y_max = 1400; diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index b10709f04615..30e3442518f8 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -2,6 +2,7 @@ * Apple USB BCM5974 (Macbook Air and Penryn Macbook Pro) multitouch driver * * Copyright (C) 2008 Henrik Rydberg (rydberg@euromail.se) + * Copyright (C) 2015 John Horan (knasher@gmail.com) * * The USB initialization and package decoding was made by * Scott Shawcroft as part of the touchd user-space driver project: @@ -91,6 +92,10 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI 0x0290 #define USB_DEVICE_ID_APPLE_WELLSPRING8_ISO 0x0291 #define USB_DEVICE_ID_APPLE_WELLSPRING8_JIS 0x0292 +/* MacbookPro12,1 (2015) */ +#define USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI 0x0272 +#define USB_DEVICE_ID_APPLE_WELLSPRING9_ISO 0x0273 +#define USB_DEVICE_ID_APPLE_WELLSPRING9_JIS 0x0274 #define BCM5974_DEVICE(prod) { \ .match_flags = (USB_DEVICE_ID_MATCH_DEVICE | \ @@ -152,6 +157,10 @@ static const struct usb_device_id bcm5974_table[] = { BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_ISO), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING8_JIS), + /* MacbookPro12,1 */ + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING9_ISO), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING9_JIS), /* Terminating entry */ {} }; @@ -180,21 +189,47 @@ struct bt_data { enum tp_type { TYPE1, /* plain trackpad */ TYPE2, /* button integrated in trackpad */ - TYPE3 /* additional header fields since June 2013 */ + TYPE3, /* additional header fields since June 2013 */ + TYPE4 /* additional header field for pressure data */ }; /* trackpad finger data offsets, le16-aligned */ -#define FINGER_TYPE1 (13 * sizeof(__le16)) -#define FINGER_TYPE2 (15 * sizeof(__le16)) -#define FINGER_TYPE3 (19 * sizeof(__le16)) +#define HEADER_TYPE1 (13 * sizeof(__le16)) +#define HEADER_TYPE2 (15 * sizeof(__le16)) +#define HEADER_TYPE3 (19 * sizeof(__le16)) +#define HEADER_TYPE4 (23 * sizeof(__le16)) /* trackpad button data offsets */ +#define BUTTON_TYPE1 0 #define BUTTON_TYPE2 15 #define BUTTON_TYPE3 23 +#define BUTTON_TYPE4 31 /* list of device capability bits */ #define HAS_INTEGRATED_BUTTON 1 +/* trackpad finger data block size */ +#define FSIZE_TYPE1 (14 * sizeof(__le16)) +#define FSIZE_TYPE2 (14 * sizeof(__le16)) +#define FSIZE_TYPE3 (14 * sizeof(__le16)) +#define FSIZE_TYPE4 (15 * sizeof(__le16)) + +/* offset from header to finger struct */ +#define DELTA_TYPE1 (0 * sizeof(__le16)) +#define DELTA_TYPE2 (0 * sizeof(__le16)) +#define DELTA_TYPE3 (0 * sizeof(__le16)) +#define DELTA_TYPE4 (1 * sizeof(__le16)) + +/* usb control message mode switch data */ +#define USBMSG_TYPE1 8, 0x300, 0, 0, 0x1, 0x8 +#define USBMSG_TYPE2 8, 0x300, 0, 0, 0x1, 0x8 +#define USBMSG_TYPE3 8, 0x300, 0, 0, 0x1, 0x8 +#define USBMSG_TYPE4 2, 0x302, 2, 1, 0x1, 0x0 + +/* Wellspring initialization constants */ +#define BCM5974_WELLSPRING_MODE_READ_REQUEST_ID 1 +#define BCM5974_WELLSPRING_MODE_WRITE_REQUEST_ID 9 + /* trackpad finger structure, le16-aligned */ struct tp_finger { __le16 origin; /* zero when switching track finger */ @@ -207,14 +242,13 @@ struct tp_finger { __le16 orientation; /* 16384 when point, else 15 bit angle */ __le16 touch_major; /* touch area, major axis */ __le16 touch_minor; /* touch area, minor axis */ - __le16 unused[3]; /* zeros */ + __le16 unused[2]; /* zeros */ + __le16 pressure; /* pressure on forcetouch touchpad */ __le16 multi; /* one finger: varies, more fingers: constant */ } __attribute__((packed,aligned(2))); /* trackpad finger data size, empirically at least ten fingers */ #define MAX_FINGERS 16 -#define SIZEOF_FINGER sizeof(struct tp_finger) -#define SIZEOF_ALL_FINGERS (MAX_FINGERS * SIZEOF_FINGER) #define MAX_FINGER_ORIENTATION 16384 /* device-specific parameters */ @@ -232,8 +266,17 @@ struct bcm5974_config { int bt_datalen; /* data length of the button interface */ int tp_ep; /* the endpoint of the trackpad interface */ enum tp_type tp_type; /* type of trackpad interface */ - int tp_offset; /* offset to trackpad finger data */ + int tp_header; /* bytes in header block */ int tp_datalen; /* data length of the trackpad interface */ + int tp_button; /* offset to button data */ + int tp_fsize; /* bytes in single finger block */ + int tp_delta; /* offset from header to finger struct */ + int um_size; /* usb control message length */ + int um_req_val; /* usb control message value */ + int um_req_idx; /* usb control message index */ + int um_switch_idx; /* usb control message mode switch index */ + int um_switch_on; /* usb control message mode switch on */ + int um_switch_off; /* usb control message mode switch off */ struct bcm5974_param p; /* finger pressure limits */ struct bcm5974_param w; /* finger width limits */ struct bcm5974_param x; /* horizontal limits */ @@ -259,6 +302,24 @@ struct bcm5974 { int slots[MAX_FINGERS]; /* slot assignments */ }; +/* trackpad finger block data, le16-aligned */ +static const struct tp_finger *get_tp_finger(const struct bcm5974 *dev, int i) +{ + const struct bcm5974_config *c = &dev->cfg; + u8 *f_base = dev->tp_data + c->tp_header + c->tp_delta; + + return (const struct tp_finger *)(f_base + i * c->tp_fsize); +} + +#define DATAFORMAT(type) \ + type, \ + HEADER_##type, \ + HEADER_##type + (MAX_FINGERS) * (FSIZE_##type), \ + BUTTON_##type, \ + FSIZE_##type, \ + DELTA_##type, \ + USBMSG_##type + /* logical signal quality */ #define SN_PRESSURE 45 /* pressure signal-to-noise ratio */ #define SN_WIDTH 25 /* width signal-to-noise ratio */ @@ -273,7 +334,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING_JIS, 0, 0x84, sizeof(struct bt_data), - 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE1), { SN_PRESSURE, 0, 256 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4824, 5342 }, @@ -286,7 +347,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING2_JIS, 0, 0x84, sizeof(struct bt_data), - 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE1), { SN_PRESSURE, 0, 256 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4824, 4824 }, @@ -299,7 +360,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING3_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4460, 5166 }, @@ -312,7 +373,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING4_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4620, 5140 }, @@ -325,7 +386,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4616, 5112 }, @@ -338,7 +399,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING5_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4415, 5050 }, @@ -351,7 +412,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING6_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4620, 5140 }, @@ -364,7 +425,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4750, 5280 }, @@ -377,7 +438,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4620, 5140 }, @@ -390,7 +451,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING7_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4750, 5280 }, @@ -403,7 +464,7 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS, HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), - 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + 0x81, DATAFORMAT(TYPE2), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4750, 5280 }, @@ -416,13 +477,26 @@ static const struct bcm5974_config bcm5974_config_table[] = { USB_DEVICE_ID_APPLE_WELLSPRING8_JIS, HAS_INTEGRATED_BUTTON, 0, sizeof(struct bt_data), - 0x83, TYPE3, FINGER_TYPE3, FINGER_TYPE3 + SIZEOF_ALL_FINGERS, + 0x83, DATAFORMAT(TYPE3), { SN_PRESSURE, 0, 300 }, { SN_WIDTH, 0, 2048 }, { SN_COORD, -4620, 5140 }, { SN_COORD, -150, 6600 }, { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, + { + USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI, + USB_DEVICE_ID_APPLE_WELLSPRING9_ISO, + USB_DEVICE_ID_APPLE_WELLSPRING9_JIS, + HAS_INTEGRATED_BUTTON, + 0, sizeof(struct bt_data), + 0x83, DATAFORMAT(TYPE4), + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4828, 5345 }, + { SN_COORD, -203, 6803 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } + }, {} }; @@ -549,19 +623,18 @@ static int report_tp_state(struct bcm5974 *dev, int size) struct input_dev *input = dev->input; int raw_n, i, n = 0; - if (size < c->tp_offset || (size - c->tp_offset) % SIZEOF_FINGER != 0) + if (size < c->tp_header || (size - c->tp_header) % c->tp_fsize != 0) return -EIO; - /* finger data, le16-aligned */ - f = (const struct tp_finger *)(dev->tp_data + c->tp_offset); - raw_n = (size - c->tp_offset) / SIZEOF_FINGER; + raw_n = (size - c->tp_header) / c->tp_fsize; for (i = 0; i < raw_n; i++) { - if (raw2int(f[i].touch_major) == 0) + f = get_tp_finger(dev, i); + if (raw2int(f->touch_major) == 0) continue; - dev->pos[n].x = raw2int(f[i].abs_x); - dev->pos[n].y = c->y.min + c->y.max - raw2int(f[i].abs_y); - dev->index[n++] = &f[i]; + dev->pos[n].x = raw2int(f->abs_x); + dev->pos[n].y = c->y.min + c->y.max - raw2int(f->abs_y); + dev->index[n++] = f; } input_mt_assign_slots(input, dev->slots, dev->pos, n, 0); @@ -572,32 +645,22 @@ static int report_tp_state(struct bcm5974 *dev, int size) input_mt_sync_frame(input); - report_synaptics_data(input, c, f, raw_n); + report_synaptics_data(input, c, get_tp_finger(dev, 0), raw_n); - /* type 2 reports button events via ibt only */ - if (c->tp_type == TYPE2) { - int ibt = raw2int(dev->tp_data[BUTTON_TYPE2]); + /* later types report button events via integrated button only */ + if (c->caps & HAS_INTEGRATED_BUTTON) { + int ibt = raw2int(dev->tp_data[c->tp_button]); input_report_key(input, BTN_LEFT, ibt); } - if (c->tp_type == TYPE3) - input_report_key(input, BTN_LEFT, dev->tp_data[BUTTON_TYPE3]); - input_sync(input); return 0; } -/* Wellspring initialization constants */ -#define BCM5974_WELLSPRING_MODE_READ_REQUEST_ID 1 -#define BCM5974_WELLSPRING_MODE_WRITE_REQUEST_ID 9 -#define BCM5974_WELLSPRING_MODE_REQUEST_VALUE 0x300 -#define BCM5974_WELLSPRING_MODE_REQUEST_INDEX 0 -#define BCM5974_WELLSPRING_MODE_VENDOR_VALUE 0x01 -#define BCM5974_WELLSPRING_MODE_NORMAL_VALUE 0x08 - static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on) { + const struct bcm5974_config *c = &dev->cfg; int retval = 0, size; char *data; @@ -605,7 +668,7 @@ static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on) if (dev->cfg.tp_type == TYPE3) return 0; - data = kmalloc(8, GFP_KERNEL); + data = kmalloc(c->um_size, GFP_KERNEL); if (!data) { dev_err(&dev->intf->dev, "out of memory\n"); retval = -ENOMEM; @@ -616,28 +679,24 @@ static int bcm5974_wellspring_mode(struct bcm5974 *dev, bool on) size = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), BCM5974_WELLSPRING_MODE_READ_REQUEST_ID, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, - BCM5974_WELLSPRING_MODE_REQUEST_VALUE, - BCM5974_WELLSPRING_MODE_REQUEST_INDEX, data, 8, 5000); + c->um_req_val, c->um_req_idx, data, c->um_size, 5000); - if (size != 8) { + if (size != c->um_size) { dev_err(&dev->intf->dev, "could not read from device\n"); retval = -EIO; goto out; } /* apply the mode switch */ - data[0] = on ? - BCM5974_WELLSPRING_MODE_VENDOR_VALUE : - BCM5974_WELLSPRING_MODE_NORMAL_VALUE; + data[c->um_switch_idx] = on ? c->um_switch_on : c->um_switch_off; /* write configuration */ size = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), BCM5974_WELLSPRING_MODE_WRITE_REQUEST_ID, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, - BCM5974_WELLSPRING_MODE_REQUEST_VALUE, - BCM5974_WELLSPRING_MODE_REQUEST_INDEX, data, 8, 5000); + c->um_req_val, c->um_req_idx, data, c->um_size, 5000); - if (size != 8) { + if (size != c->um_size) { dev_err(&dev->intf->dev, "could not write to device\n"); retval = -EIO; goto out; diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index ce3d40004458..2955f1d0ca6c 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -783,19 +783,26 @@ static int elantech_packet_check_v4(struct psmouse *psmouse) struct elantech_data *etd = psmouse->private; unsigned char *packet = psmouse->packet; unsigned char packet_type = packet[3] & 0x03; + unsigned int ic_version; bool sanity_check; if (etd->tp_dev && (packet[3] & 0x0f) == 0x06) return PACKET_TRACKPOINT; + /* This represents the version of IC body. */ + ic_version = (etd->fw_version & 0x0f0000) >> 16; + /* * Sanity check based on the constant bits of a packet. * The constant bits change depending on the value of - * the hardware flag 'crc_enabled' but are the same for - * every packet, regardless of the type. + * the hardware flag 'crc_enabled' and the version of + * the IC body, but are the same for every packet, + * regardless of the type. */ if (etd->crc_enabled) sanity_check = ((packet[3] & 0x08) == 0x00); + else if (ic_version == 7 && etd->samples[1] == 0x2A) + sanity_check = ((packet[3] & 0x1c) == 0x10); else sanity_check = ((packet[0] & 0x0c) == 0x04 && (packet[3] & 0x1c) == 0x10); @@ -1116,6 +1123,7 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse, * Avatar AVIU-145A2 0x361f00 ? clickpad * Fujitsu LIFEBOOK E544 0x470f00 d0, 12, 09 2 hw buttons * Fujitsu LIFEBOOK E554 0x570f01 40, 14, 0c 2 hw buttons + * Fujitsu T725 0x470f01 05, 12, 09 2 hw buttons * Fujitsu H730 0x570f00 c0, 14, 0c 3 hw buttons (**) * Gigabyte U2442 0x450f01 58, 17, 0c 2 hw buttons * Lenovo L430 0x350f02 b9, 15, 0c 2 hw buttons (*) @@ -1167,7 +1175,7 @@ static int elantech_set_input_params(struct psmouse *psmouse) struct input_dev *dev = psmouse->dev; struct elantech_data *etd = psmouse->private; unsigned int x_min = 0, y_min = 0, x_max = 0, y_max = 0, width = 0; - unsigned int x_res = 0, y_res = 0; + unsigned int x_res = 31, y_res = 31; if (elantech_set_range(psmouse, &x_min, &y_min, &x_max, &y_max, &width)) return -1; @@ -1232,8 +1240,6 @@ static int elantech_set_input_params(struct psmouse *psmouse) /* For X to recognize me as touchpad. */ input_set_abs_params(dev, ABS_X, x_min, x_max, 0, 0); input_set_abs_params(dev, ABS_Y, y_min, y_max, 0, 0); - input_abs_set_res(dev, ABS_X, x_res); - input_abs_set_res(dev, ABS_Y, y_res); /* * range of pressure and width is the same as v2, * report ABS_PRESSURE, ABS_TOOL_WIDTH for compatibility. @@ -1246,8 +1252,6 @@ static int elantech_set_input_params(struct psmouse *psmouse) input_mt_init_slots(dev, ETP_MAX_FINGERS, 0); input_set_abs_params(dev, ABS_MT_POSITION_X, x_min, x_max, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, y_min, y_max, 0, 0); - input_abs_set_res(dev, ABS_MT_POSITION_X, x_res); - input_abs_set_res(dev, ABS_MT_POSITION_Y, y_res); input_set_abs_params(dev, ABS_MT_PRESSURE, ETP_PMIN_V2, ETP_PMAX_V2, 0, 0); /* @@ -1259,6 +1263,13 @@ static int elantech_set_input_params(struct psmouse *psmouse) break; } + input_abs_set_res(dev, ABS_X, x_res); + input_abs_set_res(dev, ABS_Y, y_res); + if (etd->hw_version > 1) { + input_abs_set_res(dev, ABS_MT_POSITION_X, x_res); + input_abs_set_res(dev, ABS_MT_POSITION_Y, y_res); + } + etd->y_max = y_max; etd->width = width; @@ -1648,6 +1659,16 @@ int elantech_init(struct psmouse *psmouse) etd->capabilities[0], etd->capabilities[1], etd->capabilities[2]); + if (etd->hw_version != 1) { + if (etd->send_cmd(psmouse, ETP_SAMPLE_QUERY, etd->samples)) { + psmouse_err(psmouse, "failed to query sample data\n"); + goto init_fail; + } + psmouse_info(psmouse, + "Elan sample query result %02x, %02x, %02x\n", + etd->samples[0], etd->samples[1], etd->samples[2]); + } + if (elantech_set_absolute_mode(psmouse)) { psmouse_err(psmouse, "failed to put touchpad into absolute mode.\n"); diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h index f965d1569cc3..e1cbf409d9c8 100644 --- a/drivers/input/mouse/elantech.h +++ b/drivers/input/mouse/elantech.h @@ -129,6 +129,7 @@ struct elantech_data { unsigned char reg_26; unsigned char debug; unsigned char capabilities[3]; + unsigned char samples[3]; bool paritycheck; bool jumpy_cursor; bool reports_pressure; diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 3a32caf06bf1..6025eb430c0a 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -1484,12 +1484,12 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS; psmouse_info(psmouse, - "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx, board id: %lu, fw id: %lu\n", + "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx/%#lx, board id: %lu, fw id: %lu\n", SYN_ID_MODEL(priv->identity), SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity), priv->model_id, priv->capabilities, priv->ext_cap, priv->ext_cap_0c, - priv->board_id, priv->firmware_id); + priv->ext_cap_10, priv->board_id, priv->firmware_id); set_input_params(psmouse, priv); diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index b4d12e29abff..e36162b28c2a 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -15,6 +15,7 @@ */ #include <linux/kernel.h> +#include <linux/dmi.h> #include <linux/i2c.h> #include <linux/input.h> #include <linux/input/mt.h> @@ -34,6 +35,7 @@ struct goodix_ts_data { int abs_y_max; unsigned int max_touch_num; unsigned int int_trigger_type; + bool rotated_screen; }; #define GOODIX_MAX_HEIGHT 4096 @@ -60,6 +62,30 @@ static const unsigned long goodix_irq_flags[] = { IRQ_TYPE_LEVEL_HIGH, }; +/* + * Those tablets have their coordinates origin at the bottom right + * of the tablet, as if rotated 180 degrees + */ +static const struct dmi_system_id rotated_screen[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) + { + .ident = "WinBook TW100", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "WinBook"), + DMI_MATCH(DMI_PRODUCT_NAME, "TW100") + } + }, + { + .ident = "WinBook TW700", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "WinBook"), + DMI_MATCH(DMI_PRODUCT_NAME, "TW700") + }, + }, +#endif + {} +}; + /** * goodix_i2c_read - read data from a register of the i2c slave device. * @@ -129,6 +155,11 @@ static void goodix_ts_report_touch(struct goodix_ts_data *ts, u8 *coor_data) int input_y = get_unaligned_le16(&coor_data[3]); int input_w = get_unaligned_le16(&coor_data[5]); + if (ts->rotated_screen) { + input_x = ts->abs_x_max - input_x; + input_y = ts->abs_y_max - input_y; + } + input_mt_slot(ts->input_dev, id); input_mt_report_slot_state(ts->input_dev, MT_TOOL_FINGER, true); input_report_abs(ts->input_dev, ABS_MT_POSITION_X, input_x); @@ -223,6 +254,11 @@ static void goodix_read_config(struct goodix_ts_data *ts) ts->abs_y_max = GOODIX_MAX_HEIGHT; ts->max_touch_num = GOODIX_MAX_CONTACTS; } + + ts->rotated_screen = dmi_check_system(rotated_screen); + if (ts->rotated_screen) + dev_dbg(&ts->client->dev, + "Applying '180 degrees rotated screen' quirk\n"); } /** diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index f2c6c352c55a..2c41107240de 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -627,6 +627,9 @@ static int dmc_tsc10_init(struct usbtouch_usb *usbtouch) goto err_out; } + /* TSC-25 data sheet specifies a delay after the RESET command */ + msleep(150); + /* set coordinate output rate */ buf[0] = buf[1] = 0xFF; ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index a57e9b749895..658ee39e6569 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -76,8 +76,6 @@ LIST_HEAD(hpet_map); * Domain for untranslated devices - only allocated * if iommu=pt passed on kernel cmd line. */ -static struct protection_domain *pt_domain; - static const struct iommu_ops amd_iommu_ops; static ATOMIC_NOTIFIER_HEAD(ppr_notifier); @@ -96,7 +94,7 @@ struct iommu_dev_data { struct protection_domain *domain; /* Domain the device is bound to */ u16 devid; /* PCI Device ID */ bool iommu_v2; /* Device can make use of IOMMUv2 */ - bool passthrough; /* Default for device is pt_domain */ + bool passthrough; /* Device is identity mapped */ struct { bool enabled; int qdep; @@ -116,7 +114,6 @@ struct iommu_cmd { struct kmem_cache *amd_iommu_irq_cache; static void update_domain(struct protection_domain *domain); -static int alloc_passthrough_domain(void); static int protection_domain_init(struct protection_domain *domain); /**************************************************************************** @@ -2167,15 +2164,17 @@ static int attach_device(struct device *dev, dev_data = get_dev_data(dev); if (domain->flags & PD_IOMMUV2_MASK) { - if (!dev_data->iommu_v2 || !dev_data->passthrough) + if (!dev_data->passthrough) return -EINVAL; - if (pdev_iommuv2_enable(pdev) != 0) - return -EINVAL; + if (dev_data->iommu_v2) { + if (pdev_iommuv2_enable(pdev) != 0) + return -EINVAL; - dev_data->ats.enabled = true; - dev_data->ats.qdep = pci_ats_queue_depth(pdev); - dev_data->pri_tlp = pci_pri_tlp_required(pdev); + dev_data->ats.enabled = true; + dev_data->ats.qdep = pci_ats_queue_depth(pdev); + dev_data->pri_tlp = pci_pri_tlp_required(pdev); + } } else if (amd_iommu_iotlb_sup && pci_enable_ats(pdev, PAGE_SHIFT) == 0) { dev_data->ats.enabled = true; @@ -2221,15 +2220,6 @@ static void __detach_device(struct iommu_dev_data *dev_data) do_detach(head); spin_unlock_irqrestore(&domain->lock, flags); - - /* - * If we run in passthrough mode the device must be assigned to the - * passthrough domain if it is detached from any other domain. - * Make sure we can deassign from the pt_domain itself. - */ - if (dev_data->passthrough && - (dev_data->domain == NULL && domain != pt_domain)) - __attach_device(dev_data, pt_domain); } /* @@ -2249,7 +2239,7 @@ static void detach_device(struct device *dev) __detach_device(dev_data); write_unlock_irqrestore(&amd_iommu_devtable_lock, flags); - if (domain->flags & PD_IOMMUV2_MASK) + if (domain->flags & PD_IOMMUV2_MASK && dev_data->iommu_v2) pdev_iommuv2_disable(to_pci_dev(dev)); else if (dev_data->ats.enabled) pci_disable_ats(to_pci_dev(dev)); @@ -2287,17 +2277,15 @@ static int amd_iommu_add_device(struct device *dev) BUG_ON(!dev_data); - if (dev_data->iommu_v2) + if (iommu_pass_through || dev_data->iommu_v2) iommu_request_dm_for_dev(dev); /* Domains are initialized for this device - have a look what we ended up with */ domain = iommu_get_domain_for_dev(dev); - if (domain->type == IOMMU_DOMAIN_IDENTITY) { + if (domain->type == IOMMU_DOMAIN_IDENTITY) dev_data->passthrough = true; - dev->archdata.dma_ops = &nommu_dma_ops; - } else { + else dev->archdata.dma_ops = &amd_iommu_dma_ops; - } out: iommu_completion_wait(iommu); @@ -2862,8 +2850,17 @@ int __init amd_iommu_init_api(void) int __init amd_iommu_init_dma_ops(void) { + swiotlb = iommu_pass_through ? 1 : 0; iommu_detected = 1; - swiotlb = 0; + + /* + * In case we don't initialize SWIOTLB (actually the common case + * when AMD IOMMU is enabled), make sure there are global + * dma_ops set as a fall-back for devices not handled by this + * driver (for example non-PCI devices). + */ + if (!swiotlb) + dma_ops = &nommu_dma_ops; amd_iommu_stats_init(); @@ -2947,21 +2944,6 @@ out_err: return NULL; } -static int alloc_passthrough_domain(void) -{ - if (pt_domain != NULL) - return 0; - - /* allocate passthrough domain */ - pt_domain = protection_domain_alloc(); - if (!pt_domain) - return -ENOMEM; - - pt_domain->mode = PAGE_MODE_NONE; - - return 0; -} - static struct iommu_domain *amd_iommu_domain_alloc(unsigned type) { struct protection_domain *pdomain; @@ -3222,33 +3204,6 @@ static const struct iommu_ops amd_iommu_ops = { * *****************************************************************************/ -int __init amd_iommu_init_passthrough(void) -{ - struct iommu_dev_data *dev_data; - struct pci_dev *dev = NULL; - int ret; - - ret = alloc_passthrough_domain(); - if (ret) - return ret; - - for_each_pci_dev(dev) { - if (!check_device(&dev->dev)) - continue; - - dev_data = get_dev_data(&dev->dev); - dev_data->passthrough = true; - - attach_device(&dev->dev, pt_domain); - } - - amd_iommu_stats_init(); - - pr_info("AMD-Vi: Initialized for Passthrough Mode\n"); - - return 0; -} - /* IOMMUv2 specific functions */ int amd_iommu_register_ppr_notifier(struct notifier_block *nb) { @@ -3363,7 +3318,12 @@ static int __flush_pasid(struct protection_domain *domain, int pasid, struct amd_iommu *iommu; int qdep; - BUG_ON(!dev_data->ats.enabled); + /* + There might be non-IOMMUv2 capable devices in an IOMMUv2 + * domain. + */ + if (!dev_data->ats.enabled) + continue; qdep = dev_data->ats.qdep; iommu = amd_iommu_rlookup_table[dev_data->devid]; diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index dbda9ae68c5d..a24495eb4e26 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -2026,14 +2026,6 @@ static bool detect_ivrs(void) return true; } -static int amd_iommu_init_dma(void) -{ - if (iommu_pass_through) - return amd_iommu_init_passthrough(); - else - return amd_iommu_init_dma_ops(); -} - /**************************************************************************** * * AMD IOMMU Initialization State Machine @@ -2073,7 +2065,7 @@ static int __init state_next(void) init_state = ret ? IOMMU_INIT_ERROR : IOMMU_INTERRUPTS_EN; break; case IOMMU_INTERRUPTS_EN: - ret = amd_iommu_init_dma(); + ret = amd_iommu_init_dma_ops(); init_state = ret ? IOMMU_INIT_ERROR : IOMMU_DMA_OPS; break; case IOMMU_DMA_OPS: diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 3465faf1809e..f7b875bb70d4 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -132,11 +132,19 @@ static struct device_state *get_device_state(u16 devid) static void free_device_state(struct device_state *dev_state) { + struct iommu_group *group; + /* * First detach device from domain - No more PRI requests will arrive * from that device after it is unbound from the IOMMUv2 domain. */ - iommu_detach_device(dev_state->domain, &dev_state->pdev->dev); + group = iommu_group_get(&dev_state->pdev->dev); + if (WARN_ON(!group)) + return; + + iommu_detach_group(dev_state->domain, group); + + iommu_group_put(group); /* Everything is down now, free the IOMMUv2 domain */ iommu_domain_free(dev_state->domain); @@ -731,6 +739,7 @@ EXPORT_SYMBOL(amd_iommu_unbind_pasid); int amd_iommu_init_device(struct pci_dev *pdev, int pasids) { struct device_state *dev_state; + struct iommu_group *group; unsigned long flags; int ret, tmp; u16 devid; @@ -776,10 +785,16 @@ int amd_iommu_init_device(struct pci_dev *pdev, int pasids) if (ret) goto out_free_domain; - ret = iommu_attach_device(dev_state->domain, &pdev->dev); - if (ret != 0) + group = iommu_group_get(&pdev->dev); + if (!group) goto out_free_domain; + ret = iommu_attach_group(dev_state->domain, group); + if (ret != 0) + goto out_drop_group; + + iommu_group_put(group); + spin_lock_irqsave(&state_lock, flags); if (__get_device_state(devid) != NULL) { @@ -794,6 +809,9 @@ int amd_iommu_init_device(struct pci_dev *pdev, int pasids) return 0; +out_drop_group: + iommu_group_put(group); + out_free_domain: iommu_domain_free(dev_state->domain); diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 8e9ec81ce4bb..da902baaa794 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -199,9 +199,10 @@ * Stream table. * * Linear: Enough to cover 1 << IDR1.SIDSIZE entries - * 2lvl: 8k L1 entries, 256 lazy entries per table (each table covers a PCI bus) + * 2lvl: 128k L1 entries, + * 256 lazy entries per table (each table covers a PCI bus) */ -#define STRTAB_L1_SZ_SHIFT 16 +#define STRTAB_L1_SZ_SHIFT 20 #define STRTAB_SPLIT 8 #define STRTAB_L1_DESC_DWORDS 1 @@ -269,10 +270,10 @@ #define ARM64_TCR_TG0_SHIFT 14 #define ARM64_TCR_TG0_MASK 0x3UL #define CTXDESC_CD_0_TCR_IRGN0_SHIFT 8 -#define ARM64_TCR_IRGN0_SHIFT 24 +#define ARM64_TCR_IRGN0_SHIFT 8 #define ARM64_TCR_IRGN0_MASK 0x3UL #define CTXDESC_CD_0_TCR_ORGN0_SHIFT 10 -#define ARM64_TCR_ORGN0_SHIFT 26 +#define ARM64_TCR_ORGN0_SHIFT 10 #define ARM64_TCR_ORGN0_MASK 0x3UL #define CTXDESC_CD_0_TCR_SH0_SHIFT 12 #define ARM64_TCR_SH0_SHIFT 12 @@ -542,6 +543,9 @@ struct arm_smmu_device { #define ARM_SMMU_FEAT_HYP (1 << 12) u32 features; +#define ARM_SMMU_OPT_SKIP_PREFETCH (1 << 0) + u32 options; + struct arm_smmu_cmdq cmdq; struct arm_smmu_evtq evtq; struct arm_smmu_priq priq; @@ -602,11 +606,35 @@ struct arm_smmu_domain { static DEFINE_SPINLOCK(arm_smmu_devices_lock); static LIST_HEAD(arm_smmu_devices); +struct arm_smmu_option_prop { + u32 opt; + const char *prop; +}; + +static struct arm_smmu_option_prop arm_smmu_options[] = { + { ARM_SMMU_OPT_SKIP_PREFETCH, "hisilicon,broken-prefetch-cmd" }, + { 0, NULL}, +}; + static struct arm_smmu_domain *to_smmu_domain(struct iommu_domain *dom) { return container_of(dom, struct arm_smmu_domain, domain); } +static void parse_driver_options(struct arm_smmu_device *smmu) +{ + int i = 0; + + do { + if (of_property_read_bool(smmu->dev->of_node, + arm_smmu_options[i].prop)) { + smmu->options |= arm_smmu_options[i].opt; + dev_notice(smmu->dev, "option %s\n", + arm_smmu_options[i].prop); + } + } while (arm_smmu_options[++i].opt); +} + /* Low-level queue manipulation functions */ static bool queue_full(struct arm_smmu_queue *q) { @@ -1036,7 +1064,8 @@ static void arm_smmu_write_strtab_ent(struct arm_smmu_device *smmu, u32 sid, arm_smmu_sync_ste_for_sid(smmu, sid); /* It's likely that we'll want to use the new STE soon */ - arm_smmu_cmdq_issue_cmd(smmu, &prefetch_cmd); + if (!(smmu->options & ARM_SMMU_OPT_SKIP_PREFETCH)) + arm_smmu_cmdq_issue_cmd(smmu, &prefetch_cmd); } static void arm_smmu_init_bypass_stes(u64 *strtab, unsigned int nent) @@ -1064,7 +1093,7 @@ static int arm_smmu_init_l2_strtab(struct arm_smmu_device *smmu, u32 sid) return 0; size = 1 << (STRTAB_SPLIT + ilog2(STRTAB_STE_DWORDS) + 3); - strtab = &cfg->strtab[sid >> STRTAB_SPLIT << STRTAB_L1_DESC_DWORDS]; + strtab = &cfg->strtab[(sid >> STRTAB_SPLIT) * STRTAB_L1_DESC_DWORDS]; desc->span = STRTAB_SPLIT + 1; desc->l2ptr = dma_zalloc_coherent(smmu->dev, size, &desc->l2ptr_dma, @@ -2020,21 +2049,23 @@ static int arm_smmu_init_strtab_2lvl(struct arm_smmu_device *smmu) { void *strtab; u64 reg; - u32 size; + u32 size, l1size; int ret; struct arm_smmu_strtab_cfg *cfg = &smmu->strtab_cfg; /* Calculate the L1 size, capped to the SIDSIZE */ size = STRTAB_L1_SZ_SHIFT - (ilog2(STRTAB_L1_DESC_DWORDS) + 3); size = min(size, smmu->sid_bits - STRTAB_SPLIT); - if (size + STRTAB_SPLIT < smmu->sid_bits) + cfg->num_l1_ents = 1 << size; + + size += STRTAB_SPLIT; + if (size < smmu->sid_bits) dev_warn(smmu->dev, "2-level strtab only covers %u/%u bits of SID\n", - size + STRTAB_SPLIT, smmu->sid_bits); + size, smmu->sid_bits); - cfg->num_l1_ents = 1 << size; - size = cfg->num_l1_ents * (STRTAB_L1_DESC_DWORDS << 3); - strtab = dma_zalloc_coherent(smmu->dev, size, &cfg->strtab_dma, + l1size = cfg->num_l1_ents * (STRTAB_L1_DESC_DWORDS << 3); + strtab = dma_zalloc_coherent(smmu->dev, l1size, &cfg->strtab_dma, GFP_KERNEL); if (!strtab) { dev_err(smmu->dev, @@ -2055,8 +2086,7 @@ static int arm_smmu_init_strtab_2lvl(struct arm_smmu_device *smmu) ret = arm_smmu_init_l1_strtab(smmu); if (ret) dma_free_coherent(smmu->dev, - cfg->num_l1_ents * - (STRTAB_L1_DESC_DWORDS << 3), + l1size, strtab, cfg->strtab_dma); return ret; @@ -2573,6 +2603,8 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) if (irq > 0) smmu->gerr_irq = irq; + parse_driver_options(smmu); + /* Probe the h/w */ ret = arm_smmu_device_probe(smmu); if (ret) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a98a7b27aca1..0649b94f5958 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1830,8 +1830,9 @@ static int domain_init(struct dmar_domain *domain, int guest_width) static void domain_exit(struct dmar_domain *domain) { + struct dmar_drhd_unit *drhd; + struct intel_iommu *iommu; struct page *freelist = NULL; - int i; /* Domain 0 is reserved, so dont process it */ if (!domain) @@ -1851,8 +1852,10 @@ static void domain_exit(struct dmar_domain *domain) /* clear attached or cached domains */ rcu_read_lock(); - for_each_set_bit(i, domain->iommu_bmp, g_num_of_iommus) - iommu_detach_domain(domain, g_iommus[i]); + for_each_active_iommu(iommu, drhd) + if (domain_type_is_vm(domain) || + test_bit(iommu->seq_id, domain->iommu_bmp)) + iommu_detach_domain(domain, iommu); rcu_read_unlock(); dma_free_pagelist(freelist); diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c index 692fe2bc8197..c12bb93334ff 100644 --- a/drivers/irqchip/irq-crossbar.c +++ b/drivers/irqchip/irq-crossbar.c @@ -68,7 +68,9 @@ static struct irq_chip crossbar_chip = { .irq_mask = irq_chip_mask_parent, .irq_unmask = irq_chip_unmask_parent, .irq_retrigger = irq_chip_retrigger_hierarchy, - .irq_set_wake = irq_chip_set_wake_parent, + .irq_set_type = irq_chip_set_type_parent, + .flags = IRQCHIP_MASK_ON_SUSPEND | + IRQCHIP_SKIP_SET_WAKE, #ifdef CONFIG_SMP .irq_set_affinity = irq_chip_set_affinity_parent, #endif diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 1b7e155869f6..c00e2db351ba 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -75,6 +75,13 @@ struct its_node { #define ITS_ITT_ALIGN SZ_256 +struct event_lpi_map { + unsigned long *lpi_map; + u16 *col_map; + irq_hw_number_t lpi_base; + int nr_lpis; +}; + /* * The ITS view of a device - belongs to an ITS, a collection, owns an * interrupt translation table, and a list of interrupts. @@ -82,11 +89,8 @@ struct its_node { struct its_device { struct list_head entry; struct its_node *its; - struct its_collection *collection; + struct event_lpi_map event_map; void *itt; - unsigned long *lpi_map; - irq_hw_number_t lpi_base; - int nr_lpis; u32 nr_ites; u32 device_id; }; @@ -99,6 +103,14 @@ static struct rdists *gic_rdists; #define gic_data_rdist() (raw_cpu_ptr(gic_rdists->rdist)) #define gic_data_rdist_rd_base() (gic_data_rdist()->rd_base) +static struct its_collection *dev_event_to_col(struct its_device *its_dev, + u32 event) +{ + struct its_node *its = its_dev->its; + + return its->collections + its_dev->event_map.col_map[event]; +} + /* * ITS command descriptors - parameters to be encoded in a command * block. @@ -134,7 +146,7 @@ struct its_cmd_desc { struct { struct its_device *dev; struct its_collection *col; - u32 id; + u32 event_id; } its_movi_cmd; struct { @@ -241,7 +253,7 @@ static struct its_collection *its_build_mapd_cmd(struct its_cmd_block *cmd, its_fixup_cmd(cmd); - return desc->its_mapd_cmd.dev->collection; + return NULL; } static struct its_collection *its_build_mapc_cmd(struct its_cmd_block *cmd, @@ -260,52 +272,72 @@ static struct its_collection *its_build_mapc_cmd(struct its_cmd_block *cmd, static struct its_collection *its_build_mapvi_cmd(struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_collection *col; + + col = dev_event_to_col(desc->its_mapvi_cmd.dev, + desc->its_mapvi_cmd.event_id); + its_encode_cmd(cmd, GITS_CMD_MAPVI); its_encode_devid(cmd, desc->its_mapvi_cmd.dev->device_id); its_encode_event_id(cmd, desc->its_mapvi_cmd.event_id); its_encode_phys_id(cmd, desc->its_mapvi_cmd.phys_id); - its_encode_collection(cmd, desc->its_mapvi_cmd.dev->collection->col_id); + its_encode_collection(cmd, col->col_id); its_fixup_cmd(cmd); - return desc->its_mapvi_cmd.dev->collection; + return col; } static struct its_collection *its_build_movi_cmd(struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_collection *col; + + col = dev_event_to_col(desc->its_movi_cmd.dev, + desc->its_movi_cmd.event_id); + its_encode_cmd(cmd, GITS_CMD_MOVI); its_encode_devid(cmd, desc->its_movi_cmd.dev->device_id); - its_encode_event_id(cmd, desc->its_movi_cmd.id); + its_encode_event_id(cmd, desc->its_movi_cmd.event_id); its_encode_collection(cmd, desc->its_movi_cmd.col->col_id); its_fixup_cmd(cmd); - return desc->its_movi_cmd.dev->collection; + return col; } static struct its_collection *its_build_discard_cmd(struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_collection *col; + + col = dev_event_to_col(desc->its_discard_cmd.dev, + desc->its_discard_cmd.event_id); + its_encode_cmd(cmd, GITS_CMD_DISCARD); its_encode_devid(cmd, desc->its_discard_cmd.dev->device_id); its_encode_event_id(cmd, desc->its_discard_cmd.event_id); its_fixup_cmd(cmd); - return desc->its_discard_cmd.dev->collection; + return col; } static struct its_collection *its_build_inv_cmd(struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + struct its_collection *col; + + col = dev_event_to_col(desc->its_inv_cmd.dev, + desc->its_inv_cmd.event_id); + its_encode_cmd(cmd, GITS_CMD_INV); its_encode_devid(cmd, desc->its_inv_cmd.dev->device_id); its_encode_event_id(cmd, desc->its_inv_cmd.event_id); its_fixup_cmd(cmd); - return desc->its_inv_cmd.dev->collection; + return col; } static struct its_collection *its_build_invall_cmd(struct its_cmd_block *cmd, @@ -497,7 +529,7 @@ static void its_send_movi(struct its_device *dev, desc.its_movi_cmd.dev = dev; desc.its_movi_cmd.col = col; - desc.its_movi_cmd.id = id; + desc.its_movi_cmd.event_id = id; its_send_single_command(dev->its, its_build_movi_cmd, &desc); } @@ -528,7 +560,7 @@ static void its_send_invall(struct its_node *its, struct its_collection *col) static inline u32 its_get_event_id(struct irq_data *d) { struct its_device *its_dev = irq_data_get_irq_chip_data(d); - return d->hwirq - its_dev->lpi_base; + return d->hwirq - its_dev->event_map.lpi_base; } static void lpi_set_config(struct irq_data *d, bool enable) @@ -583,7 +615,7 @@ static int its_set_affinity(struct irq_data *d, const struct cpumask *mask_val, target_col = &its_dev->its->collections[cpu]; its_send_movi(its_dev, target_col, id); - its_dev->collection = target_col; + its_dev->event_map.col_map[id] = cpu; return IRQ_SET_MASK_OK_DONE; } @@ -713,8 +745,10 @@ out: return bitmap; } -static void its_lpi_free(unsigned long *bitmap, int base, int nr_ids) +static void its_lpi_free(struct event_lpi_map *map) { + int base = map->lpi_base; + int nr_ids = map->nr_lpis; int lpi; spin_lock(&lpi_lock); @@ -731,7 +765,8 @@ static void its_lpi_free(unsigned long *bitmap, int base, int nr_ids) spin_unlock(&lpi_lock); - kfree(bitmap); + kfree(map->lpi_map); + kfree(map->col_map); } /* @@ -1099,11 +1134,11 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id, struct its_device *dev; unsigned long *lpi_map; unsigned long flags; + u16 *col_map = NULL; void *itt; int lpi_base; int nr_lpis; int nr_ites; - int cpu; int sz; dev = kzalloc(sizeof(*dev), GFP_KERNEL); @@ -1117,20 +1152,24 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id, sz = max(sz, ITS_ITT_ALIGN) + ITS_ITT_ALIGN - 1; itt = kzalloc(sz, GFP_KERNEL); lpi_map = its_lpi_alloc_chunks(nvecs, &lpi_base, &nr_lpis); + if (lpi_map) + col_map = kzalloc(sizeof(*col_map) * nr_lpis, GFP_KERNEL); - if (!dev || !itt || !lpi_map) { + if (!dev || !itt || !lpi_map || !col_map) { kfree(dev); kfree(itt); kfree(lpi_map); + kfree(col_map); return NULL; } dev->its = its; dev->itt = itt; dev->nr_ites = nr_ites; - dev->lpi_map = lpi_map; - dev->lpi_base = lpi_base; - dev->nr_lpis = nr_lpis; + dev->event_map.lpi_map = lpi_map; + dev->event_map.col_map = col_map; + dev->event_map.lpi_base = lpi_base; + dev->event_map.nr_lpis = nr_lpis; dev->device_id = dev_id; INIT_LIST_HEAD(&dev->entry); @@ -1138,10 +1177,6 @@ static struct its_device *its_create_device(struct its_node *its, u32 dev_id, list_add(&dev->entry, &its->its_device_list); raw_spin_unlock_irqrestore(&its->lock, flags); - /* Bind the device to the first possible CPU */ - cpu = cpumask_first(cpu_online_mask); - dev->collection = &its->collections[cpu]; - /* Map device to its ITT */ its_send_mapd(dev, 1); @@ -1163,12 +1198,13 @@ static int its_alloc_device_irq(struct its_device *dev, irq_hw_number_t *hwirq) { int idx; - idx = find_first_zero_bit(dev->lpi_map, dev->nr_lpis); - if (idx == dev->nr_lpis) + idx = find_first_zero_bit(dev->event_map.lpi_map, + dev->event_map.nr_lpis); + if (idx == dev->event_map.nr_lpis) return -ENOSPC; - *hwirq = dev->lpi_base + idx; - set_bit(idx, dev->lpi_map); + *hwirq = dev->event_map.lpi_base + idx; + set_bit(idx, dev->event_map.lpi_map); return 0; } @@ -1288,7 +1324,8 @@ static int its_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, irq_domain_set_hwirq_and_chip(domain, virq + i, hwirq, &its_irq_chip, its_dev); dev_dbg(info->scratchpad[1].ptr, "ID:%d pID:%d vID:%d\n", - (int)(hwirq - its_dev->lpi_base), (int)hwirq, virq + i); + (int)(hwirq - its_dev->event_map.lpi_base), + (int)hwirq, virq + i); } return 0; @@ -1300,6 +1337,9 @@ static void its_irq_domain_activate(struct irq_domain *domain, struct its_device *its_dev = irq_data_get_irq_chip_data(d); u32 event = its_get_event_id(d); + /* Bind the LPI to the first possible CPU */ + its_dev->event_map.col_map[event] = cpumask_first(cpu_online_mask); + /* Map the GIC IRQ and event to the device */ its_send_mapvi(its_dev, d->hwirq, event); } @@ -1327,17 +1367,16 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq, u32 event = its_get_event_id(data); /* Mark interrupt index as unused */ - clear_bit(event, its_dev->lpi_map); + clear_bit(event, its_dev->event_map.lpi_map); /* Nuke the entry in the domain */ irq_domain_reset_irq_data(data); } /* If all interrupts have been freed, start mopping the floor */ - if (bitmap_empty(its_dev->lpi_map, its_dev->nr_lpis)) { - its_lpi_free(its_dev->lpi_map, - its_dev->lpi_base, - its_dev->nr_lpis); + if (bitmap_empty(its_dev->event_map.lpi_map, + its_dev->event_map.nr_lpis)) { + its_lpi_free(&its_dev->event_map); /* Unmap device/itt */ its_send_mapd(its_dev, 0); diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index b7d54d428b5e..ff4be0515a0d 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -538,7 +538,7 @@ static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) static irqreturn_t ipi_call_interrupt(int irq, void *dev_id) { - smp_call_function_interrupt(); + generic_smp_call_function_interrupt(); return IRQ_HANDLED; } diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c index a45121546caf..acb721b31bcf 100644 --- a/drivers/irqchip/spear-shirq.c +++ b/drivers/irqchip/spear-shirq.c @@ -2,7 +2,7 @@ * SPEAr platform shared irq layer source file * * Copyright (C) 2009-2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * Copyright (C) 2012 ST Microelectronics * Shiraz Hashim <shiraz.linux.kernel@gmail.com> diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c index 8c91fd5eb6fd..375be509e95f 100644 --- a/drivers/isdn/gigaset/ser-gigaset.c +++ b/drivers/isdn/gigaset/ser-gigaset.c @@ -524,9 +524,18 @@ gigaset_tty_open(struct tty_struct *tty) cs->hw.ser->tty = tty; atomic_set(&cs->hw.ser->refcnt, 1); init_completion(&cs->hw.ser->dead_cmp); - tty->disc_data = cs; + /* Set the amount of data we're willing to receive per call + * from the hardware driver to half of the input buffer size + * to leave some reserve. + * Note: We don't do flow control towards the hardware driver. + * If more data is received than will fit into the input buffer, + * it will be dropped and an error will be logged. This should + * never happen as the device is slow and the buffer size ample. + */ + tty->receive_room = RBUFSIZE/2; + /* OK.. Initialization of the datastructures and the HW is done.. Now * startup system and notify the LL that we are ready to run */ @@ -598,28 +607,6 @@ static int gigaset_tty_hangup(struct tty_struct *tty) } /* - * Read on the tty. - * Unused, received data goes only to the Gigaset driver. - */ -static ssize_t -gigaset_tty_read(struct tty_struct *tty, struct file *file, - unsigned char __user *buf, size_t count) -{ - return -EAGAIN; -} - -/* - * Write on the tty. - * Unused, transmit data comes only from the Gigaset driver. - */ -static ssize_t -gigaset_tty_write(struct tty_struct *tty, struct file *file, - const unsigned char *buf, size_t count) -{ - return -EAGAIN; -} - -/* * Ioctl on the tty. * Called in process context only. * May be re-entered by multiple ioctl calling threads. @@ -752,8 +739,6 @@ static struct tty_ldisc_ops gigaset_ldisc = { .open = gigaset_tty_open, .close = gigaset_tty_close, .hangup = gigaset_tty_hangup, - .read = gigaset_tty_read, - .write = gigaset_tty_write, .ioctl = gigaset_tty_ioctl, .receive_buf = gigaset_tty_receive, .write_wakeup = gigaset_tty_wakeup, diff --git a/drivers/macintosh/ans-lcd.c b/drivers/macintosh/ans-lcd.c index 1a57e88a38f7..cd35079c8c98 100644 --- a/drivers/macintosh/ans-lcd.c +++ b/drivers/macintosh/ans-lcd.c @@ -7,7 +7,7 @@ #include <linux/kernel.h> #include <linux/miscdevice.h> #include <linux/fcntl.h> -#include <linux/init.h> +#include <linux/module.h> #include <linux/delay.h> #include <linux/fs.h> diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig index e269f084497d..bbec5009cdc2 100644 --- a/drivers/mailbox/Kconfig +++ b/drivers/mailbox/Kconfig @@ -46,6 +46,7 @@ config OMAP_MBOX_KFIFO_SIZE config PCC bool "Platform Communication Channel Driver" depends on ACPI + default n help ACPI 5.0+ spec defines a generic mode of communication between the OS and a platform such as the BMC. This medium diff --git a/drivers/mailbox/pcc.c b/drivers/mailbox/pcc.c index 26d121d1d501..68885a82e704 100644 --- a/drivers/mailbox/pcc.c +++ b/drivers/mailbox/pcc.c @@ -352,4 +352,10 @@ static int __init pcc_init(void) return 0; } -device_initcall(pcc_init); + +/* + * Make PCC init postcore so that users of this mailbox + * such as the ACPI Processor driver have it available + * at their init. + */ +postcore_initcall(pcc_init); diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index b59727309072..bfec3bdfe598 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -259,7 +259,7 @@ config DM_CRYPT the ciphers you're going to use in the cryptoapi configuration. For further information on dm-crypt and userspace tools see: - <http://code.google.com/p/cryptsetup/wiki/DMCrypt> + <https://gitlab.com/cryptsetup/cryptsetup/wikis/DMCrypt> To compile this code as a module, choose M here: the module will be called dm-crypt. diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index ed2346ddf4c9..e51de52eeb94 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -494,7 +494,7 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap) bitmap_super_t *sb; unsigned long chunksize, daemon_sleep, write_behind; - bitmap->storage.sb_page = alloc_page(GFP_KERNEL); + bitmap->storage.sb_page = alloc_page(GFP_KERNEL | __GFP_ZERO); if (bitmap->storage.sb_page == NULL) return -ENOMEM; bitmap->storage.sb_page->index = 0; @@ -541,6 +541,7 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap) sb->state = cpu_to_le32(bitmap->flags); bitmap->events_cleared = bitmap->mddev->events; sb->events_cleared = cpu_to_le64(bitmap->mddev->events); + bitmap->mddev->bitmap_info.nodes = 0; kunmap_atomic(sb); @@ -558,6 +559,7 @@ static int bitmap_read_sb(struct bitmap *bitmap) unsigned long sectors_reserved = 0; int err = -EINVAL; struct page *sb_page; + loff_t offset = bitmap->mddev->bitmap_info.offset; if (!bitmap->storage.file && !bitmap->mddev->bitmap_info.offset) { chunksize = 128 * 1024 * 1024; @@ -584,9 +586,9 @@ re_read: bm_blocks = ((bm_blocks+7) >> 3) + sizeof(bitmap_super_t); /* to 4k blocks */ bm_blocks = DIV_ROUND_UP_SECTOR_T(bm_blocks, 4096); - bitmap->mddev->bitmap_info.offset += bitmap->cluster_slot * (bm_blocks << 3); + offset = bitmap->mddev->bitmap_info.offset + (bitmap->cluster_slot * (bm_blocks << 3)); pr_info("%s:%d bm slot: %d offset: %llu\n", __func__, __LINE__, - bitmap->cluster_slot, (unsigned long long)bitmap->mddev->bitmap_info.offset); + bitmap->cluster_slot, offset); } if (bitmap->storage.file) { @@ -597,7 +599,7 @@ re_read: bitmap, bytes, sb_page); } else { err = read_sb_page(bitmap->mddev, - bitmap->mddev->bitmap_info.offset, + offset, sb_page, 0, sizeof(bitmap_super_t)); } @@ -611,8 +613,16 @@ re_read: daemon_sleep = le32_to_cpu(sb->daemon_sleep) * HZ; write_behind = le32_to_cpu(sb->write_behind); sectors_reserved = le32_to_cpu(sb->sectors_reserved); - nodes = le32_to_cpu(sb->nodes); - strlcpy(bitmap->mddev->bitmap_info.cluster_name, sb->cluster_name, 64); + /* XXX: This is a hack to ensure that we don't use clustering + * in case: + * - dm-raid is in use and + * - the nodes written in bitmap_sb is erroneous. + */ + if (!bitmap->mddev->sync_super) { + nodes = le32_to_cpu(sb->nodes); + strlcpy(bitmap->mddev->bitmap_info.cluster_name, + sb->cluster_name, 64); + } /* verify that the bitmap-specific fields are valid */ if (sb->magic != cpu_to_le32(BITMAP_MAGIC)) @@ -671,7 +681,7 @@ out: kunmap_atomic(sb); /* Assiging chunksize is required for "re_read" */ bitmap->mddev->bitmap_info.chunksize = chunksize; - if (nodes && (bitmap->cluster_slot < 0)) { + if (err == 0 && nodes && (bitmap->cluster_slot < 0)) { err = md_setup_cluster(bitmap->mddev, nodes); if (err) { pr_err("%s: Could not setup cluster service (%d)\n", @@ -1866,10 +1876,6 @@ int bitmap_copy_from_slot(struct mddev *mddev, int slot, if (IS_ERR(bitmap)) return PTR_ERR(bitmap); - rv = bitmap_read_sb(bitmap); - if (rv) - goto err; - rv = bitmap_init_from_disk(bitmap, 0); if (rv) goto err; diff --git a/drivers/md/dm-cache-policy-mq.c b/drivers/md/dm-cache-policy-mq.c index 32814371b8d3..aa1b41ca40f7 100644 --- a/drivers/md/dm-cache-policy-mq.c +++ b/drivers/md/dm-cache-policy-mq.c @@ -1471,5 +1471,3 @@ module_exit(mq_exit); MODULE_AUTHOR("Joe Thornber <dm-devel@redhat.com>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("mq cache policy"); - -MODULE_ALIAS("dm-cache-default"); diff --git a/drivers/md/dm-cache-policy-smq.c b/drivers/md/dm-cache-policy-smq.c index b6f22651dd35..200366c62231 100644 --- a/drivers/md/dm-cache-policy-smq.c +++ b/drivers/md/dm-cache-policy-smq.c @@ -1686,7 +1686,7 @@ static struct dm_cache_policy *smq_create(dm_cblock_t cache_size, if (from_cblock(cache_size)) { mq->cache_hit_bits = alloc_bitset(from_cblock(cache_size)); - if (!mq->cache_hit_bits && mq->cache_hit_bits) { + if (!mq->cache_hit_bits) { DMERR("couldn't allocate cache hit bitset"); goto bad_cache_hit_bits; } @@ -1789,3 +1789,5 @@ module_exit(smq_exit); MODULE_AUTHOR("Joe Thornber <dm-devel@redhat.com>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("smq cache policy"); + +MODULE_ALIAS("dm-cache-default"); diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 1b4e1756b169..1fe93cfea7d3 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -1947,6 +1947,7 @@ static int commit_if_needed(struct cache *cache) static void process_deferred_bios(struct cache *cache) { + bool prealloc_used = false; unsigned long flags; struct bio_list bios; struct bio *bio; @@ -1966,6 +1967,7 @@ static void process_deferred_bios(struct cache *cache) * this bio might require one, we pause until there are some * prepared mappings to process. */ + prealloc_used = true; if (prealloc_data_structs(cache, &structs)) { spin_lock_irqsave(&cache->lock, flags); bio_list_merge(&cache->deferred_bios, &bios); @@ -1983,11 +1985,13 @@ static void process_deferred_bios(struct cache *cache) process_bio(cache, &structs, bio); } - prealloc_free_structs(cache, &structs); + if (prealloc_used) + prealloc_free_structs(cache, &structs); } static void process_deferred_cells(struct cache *cache) { + bool prealloc_used = false; unsigned long flags; struct dm_bio_prison_cell *cell, *tmp; struct list_head cells; @@ -2007,6 +2011,7 @@ static void process_deferred_cells(struct cache *cache) * this bio might require one, we pause until there are some * prepared mappings to process. */ + prealloc_used = true; if (prealloc_data_structs(cache, &structs)) { spin_lock_irqsave(&cache->lock, flags); list_splice(&cells, &cache->deferred_cells); @@ -2017,7 +2022,8 @@ static void process_deferred_cells(struct cache *cache) process_cell(cache, &structs, cell); } - prealloc_free_structs(cache, &structs); + if (prealloc_used) + prealloc_free_structs(cache, &structs); } static void process_deferred_flush_bios(struct cache *cache, bool submit_bios) @@ -2062,7 +2068,7 @@ static void process_deferred_writethrough_bios(struct cache *cache) static void writeback_some_dirty_blocks(struct cache *cache) { - int r = 0; + bool prealloc_used = false; dm_oblock_t oblock; dm_cblock_t cblock; struct prealloc structs; @@ -2072,15 +2078,12 @@ static void writeback_some_dirty_blocks(struct cache *cache) memset(&structs, 0, sizeof(structs)); while (spare_migration_bandwidth(cache)) { - if (prealloc_data_structs(cache, &structs)) - break; - - r = policy_writeback_work(cache->policy, &oblock, &cblock, busy); - if (r) - break; + if (policy_writeback_work(cache->policy, &oblock, &cblock, busy)) + break; /* no work to do */ - r = get_cell(cache, oblock, &structs, &old_ocell); - if (r) { + prealloc_used = true; + if (prealloc_data_structs(cache, &structs) || + get_cell(cache, oblock, &structs, &old_ocell)) { policy_set_dirty(cache->policy, oblock); break; } @@ -2088,7 +2091,8 @@ static void writeback_some_dirty_blocks(struct cache *cache) writeback(cache, &structs, oblock, cblock, old_ocell); } - prealloc_free_structs(cache, &structs); + if (prealloc_used) + prealloc_free_structs(cache, &structs); } /*---------------------------------------------------------------- @@ -3496,7 +3500,7 @@ static void cache_resume(struct dm_target *ti) * <#demotions> <#promotions> <#dirty> * <#features> <features>* * <#core args> <core args> - * <policy name> <#policy args> <policy args>* <cache metadata mode> + * <policy name> <#policy args> <policy args>* <cache metadata mode> <needs_check> */ static void cache_status(struct dm_target *ti, status_type_t type, unsigned status_flags, char *result, unsigned maxlen) @@ -3582,6 +3586,11 @@ static void cache_status(struct dm_target *ti, status_type_t type, else DMEMIT("rw "); + if (dm_cache_metadata_needs_check(cache->cmd)) + DMEMIT("needs_check "); + else + DMEMIT("- "); + break; case STATUSTYPE_TABLE: @@ -3820,7 +3829,7 @@ static void cache_io_hints(struct dm_target *ti, struct queue_limits *limits) static struct target_type cache_target = { .name = "cache", - .version = {1, 7, 0}, + .version = {1, 8, 0}, .module = THIS_MODULE, .ctr = cache_ctr, .dtr = cache_dtr, diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 48dfe3c4d6aa..6ba47cfb1443 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -1293,8 +1293,8 @@ static int __release_metadata_snap(struct dm_pool_metadata *pmd) return r; disk_super = dm_block_data(copy); - dm_sm_dec_block(pmd->metadata_sm, le64_to_cpu(disk_super->data_mapping_root)); - dm_sm_dec_block(pmd->metadata_sm, le64_to_cpu(disk_super->device_details_root)); + dm_btree_del(&pmd->info, le64_to_cpu(disk_super->data_mapping_root)); + dm_btree_del(&pmd->details_info, le64_to_cpu(disk_super->device_details_root)); dm_sm_dec_block(pmd->metadata_sm, held_root); return dm_tm_unlock(pmd->tm, copy); diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index c33f61a4cc28..d2bbe8cc1e97 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -18,6 +18,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/vmalloc.h> #include <linux/sort.h> #include <linux/rbtree.h> @@ -268,7 +269,7 @@ struct pool { process_mapping_fn process_prepared_mapping; process_mapping_fn process_prepared_discard; - struct dm_bio_prison_cell *cell_sort_array[CELL_SORT_ARRAY_SIZE]; + struct dm_bio_prison_cell **cell_sort_array; }; static enum pool_mode get_pool_mode(struct pool *pool); @@ -665,16 +666,21 @@ static void requeue_io(struct thin_c *tc) requeue_deferred_cells(tc); } -static void error_retry_list(struct pool *pool) +static void error_retry_list_with_code(struct pool *pool, int error) { struct thin_c *tc; rcu_read_lock(); list_for_each_entry_rcu(tc, &pool->active_thins, list) - error_thin_bio_list(tc, &tc->retry_on_resume_list, -EIO); + error_thin_bio_list(tc, &tc->retry_on_resume_list, error); rcu_read_unlock(); } +static void error_retry_list(struct pool *pool) +{ + return error_retry_list_with_code(pool, -EIO); +} + /* * This section of code contains the logic for processing a thin device's IO. * Much of the code depends on pool object resources (lists, workqueues, etc) @@ -2281,18 +2287,23 @@ static void do_waker(struct work_struct *ws) queue_delayed_work(pool->wq, &pool->waker, COMMIT_PERIOD); } +static void notify_of_pool_mode_change_to_oods(struct pool *pool); + /* * We're holding onto IO to allow userland time to react. After the * timeout either the pool will have been resized (and thus back in - * PM_WRITE mode), or we degrade to PM_READ_ONLY and start erroring IO. + * PM_WRITE mode), or we degrade to PM_OUT_OF_DATA_SPACE w/ error_if_no_space. */ static void do_no_space_timeout(struct work_struct *ws) { struct pool *pool = container_of(to_delayed_work(ws), struct pool, no_space_timeout); - if (get_pool_mode(pool) == PM_OUT_OF_DATA_SPACE && !pool->pf.error_if_no_space) - set_pool_mode(pool, PM_READ_ONLY); + if (get_pool_mode(pool) == PM_OUT_OF_DATA_SPACE && !pool->pf.error_if_no_space) { + pool->pf.error_if_no_space = true; + notify_of_pool_mode_change_to_oods(pool); + error_retry_list_with_code(pool, -ENOSPC); + } } /*----------------------------------------------------------------*/ @@ -2370,6 +2381,14 @@ static void notify_of_pool_mode_change(struct pool *pool, const char *new_mode) dm_device_name(pool->pool_md), new_mode); } +static void notify_of_pool_mode_change_to_oods(struct pool *pool) +{ + if (!pool->pf.error_if_no_space) + notify_of_pool_mode_change(pool, "out-of-data-space (queue IO)"); + else + notify_of_pool_mode_change(pool, "out-of-data-space (error IO)"); +} + static bool passdown_enabled(struct pool_c *pt) { return pt->adjusted_pf.discard_passdown; @@ -2454,7 +2473,7 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode) * frequently seeing this mode. */ if (old_mode != new_mode) - notify_of_pool_mode_change(pool, "out-of-data-space"); + notify_of_pool_mode_change_to_oods(pool); pool->process_bio = process_bio_read_only; pool->process_discard = process_discard_bio; pool->process_cell = process_cell_read_only; @@ -2777,6 +2796,7 @@ static void __pool_destroy(struct pool *pool) { __pool_table_remove(pool); + vfree(pool->cell_sort_array); if (dm_pool_metadata_close(pool->pmd) < 0) DMWARN("%s: dm_pool_metadata_close() failed.", __func__); @@ -2889,6 +2909,13 @@ static struct pool *pool_create(struct mapped_device *pool_md, goto bad_mapping_pool; } + pool->cell_sort_array = vmalloc(sizeof(*pool->cell_sort_array) * CELL_SORT_ARRAY_SIZE); + if (!pool->cell_sort_array) { + *error = "Error allocating cell sort array"; + err_p = ERR_PTR(-ENOMEM); + goto bad_sort_array; + } + pool->ref_count = 1; pool->last_commit_jiffies = jiffies; pool->pool_md = pool_md; @@ -2897,6 +2924,8 @@ static struct pool *pool_create(struct mapped_device *pool_md, return pool; +bad_sort_array: + mempool_destroy(pool->mapping_pool); bad_mapping_pool: dm_deferred_set_destroy(pool->all_io_ds); bad_all_io_ds: @@ -3714,6 +3743,7 @@ static void emit_flags(struct pool_features *pf, char *result, * Status line is: * <transaction id> <used metadata sectors>/<total metadata sectors> * <used data sectors>/<total data sectors> <held metadata root> + * <pool mode> <discard config> <no space config> <needs_check> */ static void pool_status(struct dm_target *ti, status_type_t type, unsigned status_flags, char *result, unsigned maxlen) @@ -3815,6 +3845,11 @@ static void pool_status(struct dm_target *ti, status_type_t type, else DMEMIT("queue_if_no_space "); + if (dm_pool_metadata_needs_check(pool->pmd)) + DMEMIT("needs_check "); + else + DMEMIT("- "); + break; case STATUSTYPE_TABLE: @@ -3918,7 +3953,7 @@ static struct target_type pool_target = { .name = "thin-pool", .features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE | DM_TARGET_IMMUTABLE, - .version = {1, 15, 0}, + .version = {1, 16, 0}, .module = THIS_MODULE, .ctr = pool_ctr, .dtr = pool_dtr, @@ -4305,7 +4340,7 @@ static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits) static struct target_type thin_target = { .name = "thin", - .version = {1, 15, 0}, + .version = {1, 16, 0}, .module = THIS_MODULE, .ctr = thin_ctr, .dtr = thin_dtr, diff --git a/drivers/md/dm.c b/drivers/md/dm.c index f331d888e7f5..0d7ab20c58df 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1067,13 +1067,10 @@ static void rq_end_stats(struct mapped_device *md, struct request *orig) */ static void rq_completed(struct mapped_device *md, int rw, bool run_queue) { - int nr_requests_pending; - atomic_dec(&md->pending[rw]); /* nudge anyone waiting on suspend queue */ - nr_requests_pending = md_in_flight(md); - if (!nr_requests_pending) + if (!md_in_flight(md)) wake_up(&md->wait); /* @@ -1085,8 +1082,7 @@ static void rq_completed(struct mapped_device *md, int rw, bool run_queue) if (run_queue) { if (md->queue->mq_ops) blk_mq_run_hw_queues(md->queue, true); - else if (!nr_requests_pending || - (nr_requests_pending >= md->queue->nr_congestion_on)) + else blk_run_queue_async(md->queue); } @@ -1733,7 +1729,8 @@ static int dm_merge_bvec(struct request_queue *q, struct mapped_device *md = q->queuedata; struct dm_table *map = dm_get_live_table_fast(md); struct dm_target *ti; - sector_t max_sectors, max_size = 0; + sector_t max_sectors; + int max_size = 0; if (unlikely(!map)) goto out; @@ -1746,18 +1743,10 @@ static int dm_merge_bvec(struct request_queue *q, * Find maximum amount of I/O that won't need splitting */ max_sectors = min(max_io_len(bvm->bi_sector, ti), - (sector_t) queue_max_sectors(q)); + (sector_t) BIO_MAX_SECTORS); max_size = (max_sectors << SECTOR_SHIFT) - bvm->bi_size; - - /* - * FIXME: this stop-gap fix _must_ be cleaned up (by passing a sector_t - * to the targets' merge function since it holds sectors not bytes). - * Just doing this as an interim fix for stable@ because the more - * comprehensive cleanup of switching to sector_t will impact every - * DM target that implements a ->merge hook. - */ - if (max_size > INT_MAX) - max_size = INT_MAX; + if (max_size < 0) + max_size = 0; /* * merge_bvec_fn() returns number of bytes @@ -1765,13 +1754,13 @@ static int dm_merge_bvec(struct request_queue *q, * max is precomputed maximal io size */ if (max_size && ti->type->merge) - max_size = ti->type->merge(ti, bvm, biovec, (int) max_size); + max_size = ti->type->merge(ti, bvm, biovec, max_size); /* * If the target doesn't support merge method and some of the devices - * provided their merge_bvec method (we know this by looking for the - * max_hw_sectors that dm_set_device_limits may set), then we can't - * allow bios with multiple vector entries. So always set max_size - * to 0, and the code below allows just one page. + * provided their merge_bvec method (we know this by looking at + * queue_max_hw_sectors), then we can't allow bios with multiple vector + * entries. So always set max_size to 0, and the code below allows + * just one page. */ else if (queue_max_hw_sectors(q) <= PAGE_SIZE >> 9) max_size = 0; @@ -2281,8 +2270,6 @@ static void dm_init_old_md_queue(struct mapped_device *md) static void cleanup_mapped_device(struct mapped_device *md) { - cleanup_srcu_struct(&md->io_barrier); - if (md->wq) destroy_workqueue(md->wq); if (md->kworker_task) @@ -2294,6 +2281,8 @@ static void cleanup_mapped_device(struct mapped_device *md) if (md->bs) bioset_free(md->bs); + cleanup_srcu_struct(&md->io_barrier); + if (md->disk) { spin_lock(&_minor_lock); md->disk->private_data = NULL; diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index fcfc4b9b2672..0072190515e0 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -44,6 +44,7 @@ struct resync_info { /* md_cluster_info flags */ #define MD_CLUSTER_WAITING_FOR_NEWDISK 1 +#define MD_CLUSTER_SUSPEND_READ_BALANCING 2 struct md_cluster_info { @@ -275,6 +276,9 @@ clear_bit: static void recover_prep(void *arg) { + struct mddev *mddev = arg; + struct md_cluster_info *cinfo = mddev->cluster_info; + set_bit(MD_CLUSTER_SUSPEND_READ_BALANCING, &cinfo->state); } static void recover_slot(void *arg, struct dlm_slot *slot) @@ -307,6 +311,7 @@ static void recover_done(void *arg, struct dlm_slot *slots, cinfo->slot_number = our_slot; complete(&cinfo->completion); + clear_bit(MD_CLUSTER_SUSPEND_READ_BALANCING, &cinfo->state); } static const struct dlm_lockspace_ops md_ls_ops = { @@ -816,12 +821,17 @@ static void resync_finish(struct mddev *mddev) resync_send(mddev, RESYNCING, 0, 0); } -static int area_resyncing(struct mddev *mddev, sector_t lo, sector_t hi) +static int area_resyncing(struct mddev *mddev, int direction, + sector_t lo, sector_t hi) { struct md_cluster_info *cinfo = mddev->cluster_info; int ret = 0; struct suspend_info *s; + if ((direction == READ) && + test_bit(MD_CLUSTER_SUSPEND_READ_BALANCING, &cinfo->state)) + return 1; + spin_lock_irq(&cinfo->suspend_lock); if (list_empty(&cinfo->suspend_list)) goto out; diff --git a/drivers/md/md-cluster.h b/drivers/md/md-cluster.h index 6817ee00e053..00defe2badbc 100644 --- a/drivers/md/md-cluster.h +++ b/drivers/md/md-cluster.h @@ -18,7 +18,7 @@ struct md_cluster_operations { int (*metadata_update_start)(struct mddev *mddev); int (*metadata_update_finish)(struct mddev *mddev); int (*metadata_update_cancel)(struct mddev *mddev); - int (*area_resyncing)(struct mddev *mddev, sector_t lo, sector_t hi); + int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi); int (*add_new_disk_start)(struct mddev *mddev, struct md_rdev *rdev); int (*add_new_disk_finish)(struct mddev *mddev); int (*new_disk_ack)(struct mddev *mddev, bool ack); diff --git a/drivers/md/md.c b/drivers/md/md.c index d429c30cd514..e25f00f0138a 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5382,6 +5382,8 @@ static void __md_stop(struct mddev *mddev) { struct md_personality *pers = mddev->pers; mddev_detach(mddev); + /* Ensure ->event_work is done */ + flush_workqueue(md_misc_wq); spin_lock(&mddev->lock); mddev->ready = 0; mddev->pers = NULL; @@ -5757,7 +5759,7 @@ static int get_bitmap_file(struct mddev *mddev, void __user * arg) char *ptr; int err; - file = kmalloc(sizeof(*file), GFP_NOIO); + file = kzalloc(sizeof(*file), GFP_NOIO); if (!file) return -ENOMEM; @@ -7437,7 +7439,7 @@ int md_setup_cluster(struct mddev *mddev, int nodes) err = request_module("md-cluster"); if (err) { pr_err("md-cluster module not found.\n"); - return err; + return -ENOENT; } spin_lock(&pers_lock); diff --git a/drivers/md/persistent-data/dm-btree-internal.h b/drivers/md/persistent-data/dm-btree-internal.h index bf2b80d5c470..8731b6ea026b 100644 --- a/drivers/md/persistent-data/dm-btree-internal.h +++ b/drivers/md/persistent-data/dm-btree-internal.h @@ -138,4 +138,10 @@ int lower_bound(struct btree_node *n, uint64_t key); extern struct dm_block_validator btree_node_validator; +/* + * Value type for upper levels of multi-level btrees. + */ +extern void init_le64_type(struct dm_transaction_manager *tm, + struct dm_btree_value_type *vt); + #endif /* DM_BTREE_INTERNAL_H */ diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c index e04cfd2d60ef..4222f774cf36 100644 --- a/drivers/md/persistent-data/dm-btree-remove.c +++ b/drivers/md/persistent-data/dm-btree-remove.c @@ -309,8 +309,8 @@ static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, if (s < 0 && nr_center < -s) { /* not enough in central node */ - shift(left, center, nr_center); - s = nr_center - target; + shift(left, center, -nr_center); + s += nr_center; shift(left, right, s); nr_right += s; } else @@ -323,7 +323,7 @@ static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, if (s > 0 && nr_center < s) { /* not enough in central node */ shift(center, right, nr_center); - s = target - nr_center; + s -= nr_center; shift(left, right, s); nr_left -= s; } else @@ -544,14 +544,6 @@ static int remove_raw(struct shadow_spine *s, struct dm_btree_info *info, return r; } -static struct dm_btree_value_type le64_type = { - .context = NULL, - .size = sizeof(__le64), - .inc = NULL, - .dec = NULL, - .equal = NULL -}; - int dm_btree_remove(struct dm_btree_info *info, dm_block_t root, uint64_t *keys, dm_block_t *new_root) { @@ -559,12 +551,14 @@ int dm_btree_remove(struct dm_btree_info *info, dm_block_t root, int index = 0, r = 0; struct shadow_spine spine; struct btree_node *n; + struct dm_btree_value_type le64_vt; + init_le64_type(info->tm, &le64_vt); init_shadow_spine(&spine, info); for (level = 0; level < info->levels; level++) { r = remove_raw(&spine, info, (level == last_level ? - &info->value_type : &le64_type), + &info->value_type : &le64_vt), root, keys[level], (unsigned *)&index); if (r < 0) break; @@ -654,11 +648,13 @@ static int remove_one(struct dm_btree_info *info, dm_block_t root, int index = 0, r = 0; struct shadow_spine spine; struct btree_node *n; + struct dm_btree_value_type le64_vt; uint64_t k; + init_le64_type(info->tm, &le64_vt); init_shadow_spine(&spine, info); for (level = 0; level < last_level; level++) { - r = remove_raw(&spine, info, &le64_type, + r = remove_raw(&spine, info, &le64_vt, root, keys[level], (unsigned *) &index); if (r < 0) goto out; @@ -689,6 +685,7 @@ static int remove_one(struct dm_btree_info *info, dm_block_t root, value_ptr(n, index)); delete_at(n, index); + keys[last_level] = k + 1ull; } else r = -ENODATA; diff --git a/drivers/md/persistent-data/dm-btree-spine.c b/drivers/md/persistent-data/dm-btree-spine.c index 1b5e13ec7f96..0dee514ba4c5 100644 --- a/drivers/md/persistent-data/dm-btree-spine.c +++ b/drivers/md/persistent-data/dm-btree-spine.c @@ -249,3 +249,40 @@ int shadow_root(struct shadow_spine *s) { return s->root; } + +static void le64_inc(void *context, const void *value_le) +{ + struct dm_transaction_manager *tm = context; + __le64 v_le; + + memcpy(&v_le, value_le, sizeof(v_le)); + dm_tm_inc(tm, le64_to_cpu(v_le)); +} + +static void le64_dec(void *context, const void *value_le) +{ + struct dm_transaction_manager *tm = context; + __le64 v_le; + + memcpy(&v_le, value_le, sizeof(v_le)); + dm_tm_dec(tm, le64_to_cpu(v_le)); +} + +static int le64_equal(void *context, const void *value1_le, const void *value2_le) +{ + __le64 v1_le, v2_le; + + memcpy(&v1_le, value1_le, sizeof(v1_le)); + memcpy(&v2_le, value2_le, sizeof(v2_le)); + return v1_le == v2_le; +} + +void init_le64_type(struct dm_transaction_manager *tm, + struct dm_btree_value_type *vt) +{ + vt->context = tm; + vt->size = sizeof(__le64); + vt->inc = le64_inc; + vt->dec = le64_dec; + vt->equal = le64_equal; +} diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index 200ac12a1d40..c7726cebc495 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -255,7 +255,7 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root) int r; struct del_stack *s; - s = kmalloc(sizeof(*s), GFP_KERNEL); + s = kmalloc(sizeof(*s), GFP_NOIO); if (!s) return -ENOMEM; s->info = info; @@ -667,12 +667,7 @@ static int insert(struct dm_btree_info *info, dm_block_t root, struct btree_node *n; struct dm_btree_value_type le64_type; - le64_type.context = NULL; - le64_type.size = sizeof(__le64); - le64_type.inc = NULL; - le64_type.dec = NULL; - le64_type.equal = NULL; - + init_le64_type(info->tm, &le64_type); init_shadow_spine(&spine, info); for (level = 0; level < (info->levels - 1); level++) { diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index f80f1af61ce7..967a4ed73929 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -336,7 +336,7 @@ static void raid1_end_read_request(struct bio *bio, int error) spin_lock_irqsave(&conf->device_lock, flags); if (r1_bio->mddev->degraded == conf->raid_disks || (r1_bio->mddev->degraded == conf->raid_disks-1 && - !test_bit(Faulty, &conf->mirrors[mirror].rdev->flags))) + test_bit(In_sync, &conf->mirrors[mirror].rdev->flags))) uptodate = 1; spin_unlock_irqrestore(&conf->device_lock, flags); } @@ -541,7 +541,7 @@ static int read_balance(struct r1conf *conf, struct r1bio *r1_bio, int *max_sect if ((conf->mddev->recovery_cp < this_sector + sectors) || (mddev_is_clustered(conf->mddev) && - md_cluster_ops->area_resyncing(conf->mddev, this_sector, + md_cluster_ops->area_resyncing(conf->mddev, READ, this_sector, this_sector + sectors))) choose_first = 1; else @@ -1111,7 +1111,8 @@ static void make_request(struct mddev *mddev, struct bio * bio) ((bio_end_sector(bio) > mddev->suspend_lo && bio->bi_iter.bi_sector < mddev->suspend_hi) || (mddev_is_clustered(mddev) && - md_cluster_ops->area_resyncing(mddev, bio->bi_iter.bi_sector, bio_end_sector(bio))))) { + md_cluster_ops->area_resyncing(mddev, WRITE, + bio->bi_iter.bi_sector, bio_end_sector(bio))))) { /* As the suspend_* range is controlled by * userspace, we want an interruptible * wait. @@ -1124,7 +1125,7 @@ static void make_request(struct mddev *mddev, struct bio * bio) if (bio_end_sector(bio) <= mddev->suspend_lo || bio->bi_iter.bi_sector >= mddev->suspend_hi || (mddev_is_clustered(mddev) && - !md_cluster_ops->area_resyncing(mddev, + !md_cluster_ops->area_resyncing(mddev, WRITE, bio->bi_iter.bi_sector, bio_end_sector(bio)))) break; schedule(); @@ -1475,6 +1476,7 @@ static void error(struct mddev *mddev, struct md_rdev *rdev) { char b[BDEVNAME_SIZE]; struct r1conf *conf = mddev->private; + unsigned long flags; /* * If it is not operational, then we have already marked it as dead @@ -1494,14 +1496,13 @@ static void error(struct mddev *mddev, struct md_rdev *rdev) return; } set_bit(Blocked, &rdev->flags); + spin_lock_irqsave(&conf->device_lock, flags); if (test_and_clear_bit(In_sync, &rdev->flags)) { - unsigned long flags; - spin_lock_irqsave(&conf->device_lock, flags); mddev->degraded++; set_bit(Faulty, &rdev->flags); - spin_unlock_irqrestore(&conf->device_lock, flags); } else set_bit(Faulty, &rdev->flags); + spin_unlock_irqrestore(&conf->device_lock, flags); /* * if recovery is running, make sure it aborts. */ @@ -1567,7 +1568,10 @@ static int raid1_spare_active(struct mddev *mddev) * Find all failed disks within the RAID1 configuration * and mark them readable. * Called under mddev lock, so rcu protection not needed. + * device_lock used to avoid races with raid1_end_read_request + * which expects 'In_sync' flags and ->degraded to be consistent. */ + spin_lock_irqsave(&conf->device_lock, flags); for (i = 0; i < conf->raid_disks; i++) { struct md_rdev *rdev = conf->mirrors[i].rdev; struct md_rdev *repl = conf->mirrors[conf->raid_disks + i].rdev; @@ -1598,7 +1602,6 @@ static int raid1_spare_active(struct mddev *mddev) sysfs_notify_dirent_safe(rdev->sysfs_state); } } - spin_lock_irqsave(&conf->device_lock, flags); mddev->degraded -= count; spin_unlock_irqrestore(&conf->device_lock, flags); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 940f2f365461..38c58e19cfce 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3556,6 +3556,7 @@ static struct r10conf *setup_conf(struct mddev *mddev) /* far_copies must be 1 */ conf->prev.stride = conf->dev_sectors; } + conf->reshape_safe = conf->reshape_progress; spin_lock_init(&conf->device_lock); INIT_LIST_HEAD(&conf->retry_list); @@ -3760,7 +3761,6 @@ static int run(struct mddev *mddev) } conf->offset_diff = min_offset_diff; - conf->reshape_safe = conf->reshape_progress; clear_bit(MD_RECOVERY_SYNC, &mddev->recovery); clear_bit(MD_RECOVERY_CHECK, &mddev->recovery); set_bit(MD_RECOVERY_RESHAPE, &mddev->recovery); @@ -4103,6 +4103,7 @@ static int raid10_start_reshape(struct mddev *mddev) conf->reshape_progress = size; } else conf->reshape_progress = 0; + conf->reshape_safe = conf->reshape_progress; spin_unlock_irq(&conf->device_lock); if (mddev->delta_disks && mddev->bitmap) { @@ -4170,6 +4171,7 @@ abort: rdev->new_data_offset = rdev->data_offset; smp_wmb(); conf->reshape_progress = MaxSector; + conf->reshape_safe = MaxSector; mddev->reshape_position = MaxSector; spin_unlock_irq(&conf->device_lock); return ret; @@ -4524,6 +4526,7 @@ static void end_reshape(struct r10conf *conf) md_finish_reshape(conf->mddev); smp_wmb(); conf->reshape_progress = MaxSector; + conf->reshape_safe = MaxSector; spin_unlock_irq(&conf->device_lock); /* read-ahead size must cover two whole stripes, which is diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 59e44e99eef3..f757023fc458 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2162,6 +2162,9 @@ static int resize_stripes(struct r5conf *conf, int newsize) if (!sc) return -ENOMEM; + /* Need to ensure auto-resizing doesn't interfere */ + mutex_lock(&conf->cache_size_mutex); + for (i = conf->max_nr_stripes; i; i--) { nsh = alloc_stripe(sc, GFP_KERNEL); if (!nsh) @@ -2178,6 +2181,7 @@ static int resize_stripes(struct r5conf *conf, int newsize) kmem_cache_free(sc, nsh); } kmem_cache_destroy(sc); + mutex_unlock(&conf->cache_size_mutex); return -ENOMEM; } /* Step 2 - Must use GFP_NOIO now. @@ -2224,6 +2228,7 @@ static int resize_stripes(struct r5conf *conf, int newsize) } else err = -ENOMEM; + mutex_unlock(&conf->cache_size_mutex); /* Step 4, return new stripes to service */ while(!list_empty(&newstripes)) { nsh = list_entry(newstripes.next, struct stripe_head, lru); @@ -2251,7 +2256,7 @@ static int resize_stripes(struct r5conf *conf, int newsize) static int drop_one_stripe(struct r5conf *conf) { struct stripe_head *sh; - int hash = (conf->max_nr_stripes - 1) % NR_STRIPE_HASH_LOCKS; + int hash = (conf->max_nr_stripes - 1) & STRIPE_HASH_LOCKS_MASK; spin_lock_irq(conf->hash_locks + hash); sh = get_free_stripe(conf, hash); @@ -4061,8 +4066,10 @@ static void analyse_stripe(struct stripe_head *sh, struct stripe_head_state *s) &first_bad, &bad_sectors)) set_bit(R5_ReadRepl, &dev->flags); else { - if (rdev) + if (rdev && !test_bit(Faulty, &rdev->flags)) set_bit(R5_NeedReplace, &dev->flags); + else + clear_bit(R5_NeedReplace, &dev->flags); rdev = rcu_dereference(conf->disks[i].rdev); clear_bit(R5_ReadRepl, &dev->flags); } @@ -5857,12 +5864,14 @@ static void raid5d(struct md_thread *thread) pr_debug("%d stripes handled\n", handled); spin_unlock_irq(&conf->device_lock); - if (test_and_clear_bit(R5_ALLOC_MORE, &conf->cache_state)) { + if (test_and_clear_bit(R5_ALLOC_MORE, &conf->cache_state) && + mutex_trylock(&conf->cache_size_mutex)) { grow_one_stripe(conf, __GFP_NOWARN); /* Set flag even if allocation failed. This helps * slow down allocation requests when mem is short */ set_bit(R5_DID_ALLOC, &conf->cache_state); + mutex_unlock(&conf->cache_size_mutex); } async_tx_issue_pending_all(); @@ -5894,18 +5903,22 @@ raid5_set_cache_size(struct mddev *mddev, int size) return -EINVAL; conf->min_nr_stripes = size; + mutex_lock(&conf->cache_size_mutex); while (size < conf->max_nr_stripes && drop_one_stripe(conf)) ; + mutex_unlock(&conf->cache_size_mutex); err = md_allow_write(mddev); if (err) return err; + mutex_lock(&conf->cache_size_mutex); while (size > conf->max_nr_stripes) if (!grow_one_stripe(conf, GFP_KERNEL)) break; + mutex_unlock(&conf->cache_size_mutex); return 0; } @@ -6371,11 +6384,19 @@ static unsigned long raid5_cache_scan(struct shrinker *shrink, struct shrink_control *sc) { struct r5conf *conf = container_of(shrink, struct r5conf, shrinker); - int ret = 0; - while (ret < sc->nr_to_scan) { - if (drop_one_stripe(conf) == 0) - return SHRINK_STOP; - ret++; + unsigned long ret = SHRINK_STOP; + + if (mutex_trylock(&conf->cache_size_mutex)) { + ret= 0; + while (ret < sc->nr_to_scan && + conf->max_nr_stripes > conf->min_nr_stripes) { + if (drop_one_stripe(conf) == 0) { + ret = SHRINK_STOP; + break; + } + ret++; + } + mutex_unlock(&conf->cache_size_mutex); } return ret; } @@ -6444,6 +6465,7 @@ static struct r5conf *setup_conf(struct mddev *mddev) goto abort; spin_lock_init(&conf->device_lock); seqcount_init(&conf->gen_lock); + mutex_init(&conf->cache_size_mutex); init_waitqueue_head(&conf->wait_for_quiescent); for (i = 0; i < NR_STRIPE_HASH_LOCKS; i++) { init_waitqueue_head(&conf->wait_for_stripe[i]); diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index 02c3bf8fbfe7..d05144278690 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -482,7 +482,8 @@ struct r5conf { */ int active_name; char cache_name[2][32]; - struct kmem_cache *slab_cache; /* for allocating stripes */ + struct kmem_cache *slab_cache; /* for allocating stripes */ + struct mutex cache_size_mutex; /* Protect changes to cache size */ int seq_flush, seq_write; int quiesce; diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig index 0d35f5850ff1..5ab90f36a6a6 100644 --- a/drivers/media/dvb-frontends/Kconfig +++ b/drivers/media/dvb-frontends/Kconfig @@ -240,7 +240,7 @@ config DVB_SI21XX config DVB_TS2020 tristate "Montage Tehnology TS2020 based tuners" - depends on DVB_CORE + depends on DVB_CORE && I2C select REGMAP_I2C default m if !MEDIA_SUBDRV_AUTOSELECT help diff --git a/drivers/media/pci/cobalt/Kconfig b/drivers/media/pci/cobalt/Kconfig index 3be1b2c3c386..6a1c0089bb62 100644 --- a/drivers/media/pci/cobalt/Kconfig +++ b/drivers/media/pci/cobalt/Kconfig @@ -2,6 +2,7 @@ config VIDEO_COBALT tristate "Cisco Cobalt support" depends on VIDEO_V4L2 && I2C && MEDIA_CONTROLLER depends on PCI_MSI && MTD_COMPLEX_MAPPINGS && GPIOLIB + depends on SND select I2C_ALGOBIT select VIDEO_ADV7604 select VIDEO_ADV7511 diff --git a/drivers/media/pci/cobalt/cobalt-irq.c b/drivers/media/pci/cobalt/cobalt-irq.c index dd4bff9cf339..d1f5898d11ba 100644 --- a/drivers/media/pci/cobalt/cobalt-irq.c +++ b/drivers/media/pci/cobalt/cobalt-irq.c @@ -139,7 +139,7 @@ done: also know about dropped frames. */ cb->vb.v4l2_buf.sequence = s->sequence++; vb2_buffer_done(&cb->vb, (skip || s->unstable_frame) ? - VB2_BUF_STATE_QUEUED : VB2_BUF_STATE_DONE); + VB2_BUF_STATE_REQUEUEING : VB2_BUF_STATE_DONE); } irqreturn_t cobalt_irq_handler(int irq, void *dev_id) diff --git a/drivers/media/pci/ivtv/ivtvfb.c b/drivers/media/pci/ivtv/ivtvfb.c index 4cb365d4ffdc..8b95eefb610b 100644 --- a/drivers/media/pci/ivtv/ivtvfb.c +++ b/drivers/media/pci/ivtv/ivtvfb.c @@ -38,6 +38,8 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/kernel.h> #include <linux/fb.h> @@ -1171,6 +1173,13 @@ static int ivtvfb_init_card(struct ivtv *itv) { int rc; +#ifdef CONFIG_X86_64 + if (pat_enabled()) { + pr_warn("ivtvfb needs PAT disabled, boot with nopat kernel parameter\n"); + return -ENODEV; + } +#endif + if (itv->osd_info) { IVTVFB_ERR("Card %d already initialised\n", ivtvfb_card_id); return -EBUSY; @@ -1265,12 +1274,6 @@ static int __init ivtvfb_init(void) int registered = 0; int err; -#ifdef CONFIG_X86_64 - if (WARN(pat_enabled(), - "ivtvfb needs PAT disabled, boot with nopat kernel parameter\n")) { - return -ENODEV; - } -#endif if (ivtvfb_card_id < -1 || ivtvfb_card_id >= IVTV_MAX_CARDS) { printk(KERN_ERR "ivtvfb: ivtvfb_card_id parameter is out of range (valid range: -1 - %d)\n", diff --git a/drivers/media/pci/mantis/mantis_dma.c b/drivers/media/pci/mantis/mantis_dma.c index 1d59c7e039f7..87990ece5848 100644 --- a/drivers/media/pci/mantis/mantis_dma.c +++ b/drivers/media/pci/mantis/mantis_dma.c @@ -130,10 +130,11 @@ err: int mantis_dma_init(struct mantis_pci *mantis) { - int err = 0; + int err; dprintk(MANTIS_DEBUG, 1, "Mantis DMA init"); - if (mantis_alloc_buffers(mantis) < 0) { + err = mantis_alloc_buffers(mantis); + if (err < 0) { dprintk(MANTIS_ERROR, 1, "Error allocating DMA buffer"); /* Stop RISC Engine */ diff --git a/drivers/media/rc/ir-rc5-decoder.c b/drivers/media/rc/ir-rc5-decoder.c index 8939ebd74391..84fa6e9b59a1 100644 --- a/drivers/media/rc/ir-rc5-decoder.c +++ b/drivers/media/rc/ir-rc5-decoder.c @@ -184,125 +184,9 @@ out: return -EINVAL; } -static struct ir_raw_timings_manchester ir_rc5_timings = { - .leader = RC5_UNIT, - .pulse_space_start = 0, - .clock = RC5_UNIT, - .trailer_space = RC5_UNIT * 10, -}; - -static struct ir_raw_timings_manchester ir_rc5x_timings[2] = { - { - .leader = RC5_UNIT, - .pulse_space_start = 0, - .clock = RC5_UNIT, - .trailer_space = RC5X_SPACE, - }, - { - .clock = RC5_UNIT, - .trailer_space = RC5_UNIT * 10, - }, -}; - -static struct ir_raw_timings_manchester ir_rc5_sz_timings = { - .leader = RC5_UNIT, - .pulse_space_start = 0, - .clock = RC5_UNIT, - .trailer_space = RC5_UNIT * 10, -}; - -static int ir_rc5_validate_filter(const struct rc_scancode_filter *scancode, - unsigned int important_bits) -{ - /* all important bits of scancode should be set in mask */ - if (~scancode->mask & important_bits) - return -EINVAL; - /* extra bits in mask should be zero in data */ - if (scancode->mask & scancode->data & ~important_bits) - return -EINVAL; - return 0; -} - -/** - * ir_rc5_encode() - Encode a scancode as a stream of raw events - * - * @protocols: allowed protocols - * @scancode: scancode filter describing scancode (helps distinguish between - * protocol subtypes when scancode is ambiguous) - * @events: array of raw ir events to write into - * @max: maximum size of @events - * - * Returns: The number of events written. - * -ENOBUFS if there isn't enough space in the array to fit the - * encoding. In this case all @max events will have been written. - * -EINVAL if the scancode is ambiguous or invalid. - */ -static int ir_rc5_encode(u64 protocols, - const struct rc_scancode_filter *scancode, - struct ir_raw_event *events, unsigned int max) -{ - int ret; - struct ir_raw_event *e = events; - unsigned int data, xdata, command, commandx, system; - - /* Detect protocol and convert scancode to raw data */ - if (protocols & RC_BIT_RC5 && - !ir_rc5_validate_filter(scancode, 0x1f7f)) { - /* decode scancode */ - command = (scancode->data & 0x003f) >> 0; - commandx = (scancode->data & 0x0040) >> 6; - system = (scancode->data & 0x1f00) >> 8; - /* encode data */ - data = !commandx << 12 | system << 6 | command; - - /* Modulate the data */ - ret = ir_raw_gen_manchester(&e, max, &ir_rc5_timings, RC5_NBITS, - data); - if (ret < 0) - return ret; - } else if (protocols & RC_BIT_RC5X && - !ir_rc5_validate_filter(scancode, 0x1f7f3f)) { - /* decode scancode */ - xdata = (scancode->data & 0x00003f) >> 0; - command = (scancode->data & 0x003f00) >> 8; - commandx = (scancode->data & 0x004000) >> 14; - system = (scancode->data & 0x1f0000) >> 16; - /* commandx and system overlap, bits must match when encoded */ - if (commandx == (system & 0x1)) - return -EINVAL; - /* encode data */ - data = 1 << 18 | system << 12 | command << 6 | xdata; - - /* Modulate the data */ - ret = ir_raw_gen_manchester(&e, max, &ir_rc5x_timings[0], - CHECK_RC5X_NBITS, - data >> (RC5X_NBITS-CHECK_RC5X_NBITS)); - if (ret < 0) - return ret; - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc5x_timings[1], - RC5X_NBITS - CHECK_RC5X_NBITS, - data); - if (ret < 0) - return ret; - } else if (protocols & RC_BIT_RC5_SZ && - !ir_rc5_validate_filter(scancode, 0x2fff)) { - /* RC5-SZ scancode is raw enough for Manchester as it is */ - ret = ir_raw_gen_manchester(&e, max, &ir_rc5_sz_timings, - RC5_SZ_NBITS, scancode->data & 0x2fff); - if (ret < 0) - return ret; - } else { - return -EINVAL; - } - - return e - events; -} - static struct ir_raw_handler rc5_handler = { .protocols = RC_BIT_RC5 | RC_BIT_RC5X | RC_BIT_RC5_SZ, .decode = ir_rc5_decode, - .encode = ir_rc5_encode, }; static int __init ir_rc5_decode_init(void) diff --git a/drivers/media/rc/ir-rc6-decoder.c b/drivers/media/rc/ir-rc6-decoder.c index f9c70baf6e0c..d16bc67af732 100644 --- a/drivers/media/rc/ir-rc6-decoder.c +++ b/drivers/media/rc/ir-rc6-decoder.c @@ -291,133 +291,11 @@ out: return -EINVAL; } -static struct ir_raw_timings_manchester ir_rc6_timings[4] = { - { - .leader = RC6_PREFIX_PULSE, - .pulse_space_start = 0, - .clock = RC6_UNIT, - .invert = 1, - .trailer_space = RC6_PREFIX_SPACE, - }, - { - .clock = RC6_UNIT, - .invert = 1, - }, - { - .clock = RC6_UNIT * 2, - .invert = 1, - }, - { - .clock = RC6_UNIT, - .invert = 1, - .trailer_space = RC6_SUFFIX_SPACE, - }, -}; - -static int ir_rc6_validate_filter(const struct rc_scancode_filter *scancode, - unsigned int important_bits) -{ - /* all important bits of scancode should be set in mask */ - if (~scancode->mask & important_bits) - return -EINVAL; - /* extra bits in mask should be zero in data */ - if (scancode->mask & scancode->data & ~important_bits) - return -EINVAL; - return 0; -} - -/** - * ir_rc6_encode() - Encode a scancode as a stream of raw events - * - * @protocols: allowed protocols - * @scancode: scancode filter describing scancode (helps distinguish between - * protocol subtypes when scancode is ambiguous) - * @events: array of raw ir events to write into - * @max: maximum size of @events - * - * Returns: The number of events written. - * -ENOBUFS if there isn't enough space in the array to fit the - * encoding. In this case all @max events will have been written. - * -EINVAL if the scancode is ambiguous or invalid. - */ -static int ir_rc6_encode(u64 protocols, - const struct rc_scancode_filter *scancode, - struct ir_raw_event *events, unsigned int max) -{ - int ret; - struct ir_raw_event *e = events; - - if (protocols & RC_BIT_RC6_0 && - !ir_rc6_validate_filter(scancode, 0xffff)) { - - /* Modulate the preamble */ - ret = ir_raw_gen_manchester(&e, max, &ir_rc6_timings[0], 0, 0); - if (ret < 0) - return ret; - - /* Modulate the header (Start Bit & Mode-0) */ - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc6_timings[1], - RC6_HEADER_NBITS, (1 << 3)); - if (ret < 0) - return ret; - - /* Modulate Trailer Bit */ - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc6_timings[2], 1, 0); - if (ret < 0) - return ret; - - /* Modulate rest of the data */ - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc6_timings[3], RC6_0_NBITS, - scancode->data); - if (ret < 0) - return ret; - - } else if (protocols & (RC_BIT_RC6_6A_20 | RC_BIT_RC6_6A_24 | - RC_BIT_RC6_6A_32 | RC_BIT_RC6_MCE) && - !ir_rc6_validate_filter(scancode, 0x8fffffff)) { - - /* Modulate the preamble */ - ret = ir_raw_gen_manchester(&e, max, &ir_rc6_timings[0], 0, 0); - if (ret < 0) - return ret; - - /* Modulate the header (Start Bit & Header-version 6 */ - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc6_timings[1], - RC6_HEADER_NBITS, (1 << 3 | 6)); - if (ret < 0) - return ret; - - /* Modulate Trailer Bit */ - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc6_timings[2], 1, 0); - if (ret < 0) - return ret; - - /* Modulate rest of the data */ - ret = ir_raw_gen_manchester(&e, max - (e - events), - &ir_rc6_timings[3], - fls(scancode->mask), - scancode->data); - if (ret < 0) - return ret; - - } else { - return -EINVAL; - } - - return e - events; -} - static struct ir_raw_handler rc6_handler = { .protocols = RC_BIT_RC6_0 | RC_BIT_RC6_6A_20 | RC_BIT_RC6_6A_24 | RC_BIT_RC6_6A_32 | RC_BIT_RC6_MCE, .decode = ir_rc6_decode, - .encode = ir_rc6_encode, }; static int __init ir_rc6_decode_init(void) diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c index baeb5971fd52..85af7a869167 100644 --- a/drivers/media/rc/nuvoton-cir.c +++ b/drivers/media/rc/nuvoton-cir.c @@ -526,130 +526,6 @@ static int nvt_set_tx_carrier(struct rc_dev *dev, u32 carrier) return 0; } -static int nvt_write_wakeup_codes(struct rc_dev *dev, - const u8 *wakeup_sample_buf, int count) -{ - int i = 0; - u8 reg, reg_learn_mode; - unsigned long flags; - struct nvt_dev *nvt = dev->priv; - - nvt_dbg_wake("writing wakeup samples"); - - reg = nvt_cir_wake_reg_read(nvt, CIR_WAKE_IRCON); - reg_learn_mode = reg & ~CIR_WAKE_IRCON_MODE0; - reg_learn_mode |= CIR_WAKE_IRCON_MODE1; - - /* Lock the learn area to prevent racing with wake-isr */ - spin_lock_irqsave(&nvt->nvt_lock, flags); - - /* Enable fifo writes */ - nvt_cir_wake_reg_write(nvt, reg_learn_mode, CIR_WAKE_IRCON); - - /* Clear cir wake rx fifo */ - nvt_clear_cir_wake_fifo(nvt); - - if (count > WAKE_FIFO_LEN) { - nvt_dbg_wake("HW FIFO too small for all wake samples"); - count = WAKE_FIFO_LEN; - } - - if (count) - pr_info("Wake samples (%d) =", count); - else - pr_info("Wake sample fifo cleared"); - - /* Write wake samples to fifo */ - for (i = 0; i < count; i++) { - pr_cont(" %02x", wakeup_sample_buf[i]); - nvt_cir_wake_reg_write(nvt, wakeup_sample_buf[i], - CIR_WAKE_WR_FIFO_DATA); - } - pr_cont("\n"); - - /* Switch cir to wakeup mode and disable fifo writing */ - nvt_cir_wake_reg_write(nvt, reg, CIR_WAKE_IRCON); - - /* Set number of bytes needed for wake */ - nvt_cir_wake_reg_write(nvt, count ? count : - CIR_WAKE_FIFO_CMP_BYTES, - CIR_WAKE_FIFO_CMP_DEEP); - - spin_unlock_irqrestore(&nvt->nvt_lock, flags); - - return 0; -} - -static int nvt_ir_raw_set_wakeup_filter(struct rc_dev *dev, - struct rc_scancode_filter *sc_filter) -{ - u8 *reg_buf; - u8 buf_val; - int i, ret, count; - unsigned int val; - struct ir_raw_event *raw; - bool complete; - - /* Require both mask and data to be set before actually committing */ - if (!sc_filter->mask || !sc_filter->data) - return 0; - - raw = kmalloc_array(WAKE_FIFO_LEN, sizeof(*raw), GFP_KERNEL); - if (!raw) - return -ENOMEM; - - ret = ir_raw_encode_scancode(dev->enabled_wakeup_protocols, sc_filter, - raw, WAKE_FIFO_LEN); - complete = (ret != -ENOBUFS); - if (!complete) - ret = WAKE_FIFO_LEN; - else if (ret < 0) - goto out_raw; - - reg_buf = kmalloc_array(WAKE_FIFO_LEN, sizeof(*reg_buf), GFP_KERNEL); - if (!reg_buf) { - ret = -ENOMEM; - goto out_raw; - } - - /* Inspect the ir samples */ - for (i = 0, count = 0; i < ret && count < WAKE_FIFO_LEN; ++i) { - val = NS_TO_US((raw[i]).duration) / SAMPLE_PERIOD; - - /* Split too large values into several smaller ones */ - while (val > 0 && count < WAKE_FIFO_LEN) { - - /* Skip last value for better comparison tolerance */ - if (complete && i == ret - 1 && val < BUF_LEN_MASK) - break; - - /* Clamp values to BUF_LEN_MASK at most */ - buf_val = (val > BUF_LEN_MASK) ? BUF_LEN_MASK : val; - - reg_buf[count] = buf_val; - val -= buf_val; - if ((raw[i]).pulse) - reg_buf[count] |= BUF_PULSE_BIT; - count++; - } - } - - ret = nvt_write_wakeup_codes(dev, reg_buf, count); - - kfree(reg_buf); -out_raw: - kfree(raw); - - return ret; -} - -/* Dummy implementation. nuvoton is agnostic to the protocol used */ -static int nvt_ir_raw_change_wakeup_protocol(struct rc_dev *dev, - u64 *rc_type) -{ - return 0; -} - /* * nvt_tx_ir * @@ -1167,14 +1043,11 @@ static int nvt_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id) /* Set up the rc device */ rdev->priv = nvt; rdev->driver_type = RC_DRIVER_IR_RAW; - rdev->encode_wakeup = true; rdev->allowed_protocols = RC_BIT_ALL; rdev->open = nvt_open; rdev->close = nvt_close; rdev->tx_ir = nvt_tx_ir; rdev->s_tx_carrier = nvt_set_tx_carrier; - rdev->s_wakeup_filter = nvt_ir_raw_set_wakeup_filter; - rdev->change_wakeup_protocol = nvt_ir_raw_change_wakeup_protocol; rdev->input_name = "Nuvoton w836x7hg Infrared Remote Transceiver"; rdev->input_phys = "nuvoton/cir0"; rdev->input_id.bustype = BUS_HOST; diff --git a/drivers/media/rc/nuvoton-cir.h b/drivers/media/rc/nuvoton-cir.h index 9d0e161c2a88..e1cf23c3875b 100644 --- a/drivers/media/rc/nuvoton-cir.h +++ b/drivers/media/rc/nuvoton-cir.h @@ -63,7 +63,6 @@ static int debug; */ #define TX_BUF_LEN 256 #define RX_BUF_LEN 32 -#define WAKE_FIFO_LEN 67 struct nvt_dev { struct pnp_dev *pdev; diff --git a/drivers/media/rc/rc-core-priv.h b/drivers/media/rc/rc-core-priv.h index 4b994aa2f2a7..b68d4f762734 100644 --- a/drivers/media/rc/rc-core-priv.h +++ b/drivers/media/rc/rc-core-priv.h @@ -25,8 +25,6 @@ struct ir_raw_handler { u64 protocols; /* which are handled by this handler */ int (*decode)(struct rc_dev *dev, struct ir_raw_event event); - int (*encode)(u64 protocols, const struct rc_scancode_filter *scancode, - struct ir_raw_event *events, unsigned int max); /* These two should only be used by the lirc decoder */ int (*raw_register)(struct rc_dev *dev); @@ -152,44 +150,10 @@ static inline bool is_timing_event(struct ir_raw_event ev) #define TO_US(duration) DIV_ROUND_CLOSEST((duration), 1000) #define TO_STR(is_pulse) ((is_pulse) ? "pulse" : "space") -/* functions for IR encoders */ - -static inline void init_ir_raw_event_duration(struct ir_raw_event *ev, - unsigned int pulse, - u32 duration) -{ - init_ir_raw_event(ev); - ev->duration = duration; - ev->pulse = pulse; -} - -/** - * struct ir_raw_timings_manchester - Manchester coding timings - * @leader: duration of leader pulse (if any) 0 if continuing - * existing signal (see @pulse_space_start) - * @pulse_space_start: 1 for starting with pulse (0 for starting with space) - * @clock: duration of each pulse/space in ns - * @invert: if set clock logic is inverted - * (0 = space + pulse, 1 = pulse + space) - * @trailer_space: duration of trailer space in ns - */ -struct ir_raw_timings_manchester { - unsigned int leader; - unsigned int pulse_space_start:1; - unsigned int clock; - unsigned int invert:1; - unsigned int trailer_space; -}; - -int ir_raw_gen_manchester(struct ir_raw_event **ev, unsigned int max, - const struct ir_raw_timings_manchester *timings, - unsigned int n, unsigned int data); - /* * Routines from rc-raw.c to be used internally and by decoders */ u64 ir_raw_get_allowed_protocols(void); -u64 ir_raw_get_encode_protocols(void); int ir_raw_event_register(struct rc_dev *dev); void ir_raw_event_unregister(struct rc_dev *dev); int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler); diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c index b9e4645c731c..b732ac6a26d8 100644 --- a/drivers/media/rc/rc-ir-raw.c +++ b/drivers/media/rc/rc-ir-raw.c @@ -30,7 +30,6 @@ static LIST_HEAD(ir_raw_client_list); static DEFINE_MUTEX(ir_raw_handler_lock); static LIST_HEAD(ir_raw_handler_list); static u64 available_protocols; -static u64 encode_protocols; static int ir_raw_event_thread(void *data) { @@ -241,146 +240,12 @@ ir_raw_get_allowed_protocols(void) return protocols; } -/* used internally by the sysfs interface */ -u64 -ir_raw_get_encode_protocols(void) -{ - u64 protocols; - - mutex_lock(&ir_raw_handler_lock); - protocols = encode_protocols; - mutex_unlock(&ir_raw_handler_lock); - return protocols; -} - static int change_protocol(struct rc_dev *dev, u64 *rc_type) { /* the caller will update dev->enabled_protocols */ return 0; } -/** - * ir_raw_gen_manchester() - Encode data with Manchester (bi-phase) modulation. - * @ev: Pointer to pointer to next free event. *@ev is incremented for - * each raw event filled. - * @max: Maximum number of raw events to fill. - * @timings: Manchester modulation timings. - * @n: Number of bits of data. - * @data: Data bits to encode. - * - * Encodes the @n least significant bits of @data using Manchester (bi-phase) - * modulation with the timing characteristics described by @timings, writing up - * to @max raw IR events using the *@ev pointer. - * - * Returns: 0 on success. - * -ENOBUFS if there isn't enough space in the array to fit the - * full encoded data. In this case all @max events will have been - * written. - */ -int ir_raw_gen_manchester(struct ir_raw_event **ev, unsigned int max, - const struct ir_raw_timings_manchester *timings, - unsigned int n, unsigned int data) -{ - bool need_pulse; - unsigned int i; - int ret = -ENOBUFS; - - i = 1 << (n - 1); - - if (timings->leader) { - if (!max--) - return ret; - if (timings->pulse_space_start) { - init_ir_raw_event_duration((*ev)++, 1, timings->leader); - - if (!max--) - return ret; - init_ir_raw_event_duration((*ev), 0, timings->leader); - } else { - init_ir_raw_event_duration((*ev), 1, timings->leader); - } - i >>= 1; - } else { - /* continue existing signal */ - --(*ev); - } - /* from here on *ev will point to the last event rather than the next */ - - while (n && i > 0) { - need_pulse = !(data & i); - if (timings->invert) - need_pulse = !need_pulse; - if (need_pulse == !!(*ev)->pulse) { - (*ev)->duration += timings->clock; - } else { - if (!max--) - goto nobufs; - init_ir_raw_event_duration(++(*ev), need_pulse, - timings->clock); - } - - if (!max--) - goto nobufs; - init_ir_raw_event_duration(++(*ev), !need_pulse, - timings->clock); - i >>= 1; - } - - if (timings->trailer_space) { - if (!(*ev)->pulse) - (*ev)->duration += timings->trailer_space; - else if (!max--) - goto nobufs; - else - init_ir_raw_event_duration(++(*ev), 0, - timings->trailer_space); - } - - ret = 0; -nobufs: - /* point to the next event rather than last event before returning */ - ++(*ev); - return ret; -} -EXPORT_SYMBOL(ir_raw_gen_manchester); - -/** - * ir_raw_encode_scancode() - Encode a scancode as raw events - * - * @protocols: permitted protocols - * @scancode: scancode filter describing a single scancode - * @events: array of raw events to write into - * @max: max number of raw events - * - * Attempts to encode the scancode as raw events. - * - * Returns: The number of events written. - * -ENOBUFS if there isn't enough space in the array to fit the - * encoding. In this case all @max events will have been written. - * -EINVAL if the scancode is ambiguous or invalid, or if no - * compatible encoder was found. - */ -int ir_raw_encode_scancode(u64 protocols, - const struct rc_scancode_filter *scancode, - struct ir_raw_event *events, unsigned int max) -{ - struct ir_raw_handler *handler; - int ret = -EINVAL; - - mutex_lock(&ir_raw_handler_lock); - list_for_each_entry(handler, &ir_raw_handler_list, list) { - if (handler->protocols & protocols && handler->encode) { - ret = handler->encode(protocols, scancode, events, max); - if (ret >= 0 || ret == -ENOBUFS) - break; - } - } - mutex_unlock(&ir_raw_handler_lock); - - return ret; -} -EXPORT_SYMBOL(ir_raw_encode_scancode); - /* * Used to (un)register raw event clients */ @@ -463,8 +328,6 @@ int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler) list_for_each_entry(raw, &ir_raw_client_list, list) ir_raw_handler->raw_register(raw->dev); available_protocols |= ir_raw_handler->protocols; - if (ir_raw_handler->encode) - encode_protocols |= ir_raw_handler->protocols; mutex_unlock(&ir_raw_handler_lock); return 0; @@ -481,8 +344,6 @@ void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler) list_for_each_entry(raw, &ir_raw_client_list, list) ir_raw_handler->raw_unregister(raw->dev); available_protocols &= ~ir_raw_handler->protocols; - if (ir_raw_handler->encode) - encode_protocols &= ~ir_raw_handler->protocols; mutex_unlock(&ir_raw_handler_lock); } EXPORT_SYMBOL(ir_raw_handler_unregister); diff --git a/drivers/media/rc/rc-loopback.c b/drivers/media/rc/rc-loopback.c index d8bdf63ce985..63dace8198b0 100644 --- a/drivers/media/rc/rc-loopback.c +++ b/drivers/media/rc/rc-loopback.c @@ -26,7 +26,6 @@ #include <linux/device.h> #include <linux/module.h> #include <linux/sched.h> -#include <linux/slab.h> #include <media/rc-core.h> #define DRIVER_NAME "rc-loopback" @@ -177,39 +176,6 @@ static int loop_set_carrier_report(struct rc_dev *dev, int enable) return 0; } -static int loop_set_wakeup_filter(struct rc_dev *dev, - struct rc_scancode_filter *sc_filter) -{ - static const unsigned int max = 512; - struct ir_raw_event *raw; - int ret; - int i; - - /* fine to disable filter */ - if (!sc_filter->mask) - return 0; - - /* encode the specified filter and loop it back */ - raw = kmalloc_array(max, sizeof(*raw), GFP_KERNEL); - ret = ir_raw_encode_scancode(dev->enabled_wakeup_protocols, sc_filter, - raw, max); - /* still loop back the partial raw IR even if it's incomplete */ - if (ret == -ENOBUFS) - ret = max; - if (ret >= 0) { - /* do the loopback */ - for (i = 0; i < ret; ++i) - ir_raw_event_store(dev, &raw[i]); - ir_raw_event_handle(dev); - - ret = 0; - } - - kfree(raw); - - return ret; -} - static int __init loop_init(void) { struct rc_dev *rc; @@ -229,7 +195,6 @@ static int __init loop_init(void) rc->map_name = RC_MAP_EMPTY; rc->priv = &loopdev; rc->driver_type = RC_DRIVER_IR_RAW; - rc->encode_wakeup = true; rc->allowed_protocols = RC_BIT_ALL; rc->timeout = 100 * 1000 * 1000; /* 100 ms */ rc->min_timeout = 1; @@ -244,7 +209,6 @@ static int __init loop_init(void) rc->s_idle = loop_set_idle; rc->s_learning_mode = loop_set_learning_mode; rc->s_carrier_report = loop_set_carrier_report; - rc->s_wakeup_filter = loop_set_wakeup_filter; loopdev.txmask = RXMASK_REGULAR; loopdev.txcarrier = 36000; diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index 9d015db65280..0ff388a16168 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -865,8 +865,6 @@ static ssize_t show_protocols(struct device *device, } else { enabled = dev->enabled_wakeup_protocols; allowed = dev->allowed_wakeup_protocols; - if (dev->encode_wakeup && !allowed) - allowed = ir_raw_get_encode_protocols(); } mutex_unlock(&dev->lock); @@ -1408,16 +1406,13 @@ int rc_register_device(struct rc_dev *dev) path ? path : "N/A"); kfree(path); - if (dev->driver_type == RC_DRIVER_IR_RAW || dev->encode_wakeup) { + if (dev->driver_type == RC_DRIVER_IR_RAW) { /* Load raw decoders, if they aren't already */ if (!raw_init) { IR_dprintk(1, "Loading raw decoders\n"); ir_raw_init(); raw_init = true; } - } - - if (dev->driver_type == RC_DRIVER_IR_RAW) { /* calls ir_register_device so unlock mutex here*/ mutex_unlock(&dev->lock); rc = ir_raw_event_register(dev); diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 93b315459098..a14c428f70e9 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -715,6 +715,7 @@ static void __fill_v4l2_buffer(struct vb2_buffer *vb, struct v4l2_buffer *b) break; case VB2_BUF_STATE_PREPARING: case VB2_BUF_STATE_DEQUEUED: + case VB2_BUF_STATE_REQUEUEING: /* nothing */ break; } @@ -1182,7 +1183,8 @@ void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state) if (WARN_ON(state != VB2_BUF_STATE_DONE && state != VB2_BUF_STATE_ERROR && - state != VB2_BUF_STATE_QUEUED)) + state != VB2_BUF_STATE_QUEUED && + state != VB2_BUF_STATE_REQUEUEING)) state = VB2_BUF_STATE_ERROR; #ifdef CONFIG_VIDEO_ADV_DEBUG @@ -1199,22 +1201,30 @@ void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state) for (plane = 0; plane < vb->num_planes; ++plane) call_void_memop(vb, finish, vb->planes[plane].mem_priv); - /* Add the buffer to the done buffers list */ spin_lock_irqsave(&q->done_lock, flags); - vb->state = state; - if (state != VB2_BUF_STATE_QUEUED) + if (state == VB2_BUF_STATE_QUEUED || + state == VB2_BUF_STATE_REQUEUEING) { + vb->state = VB2_BUF_STATE_QUEUED; + } else { + /* Add the buffer to the done buffers list */ list_add_tail(&vb->done_entry, &q->done_list); + vb->state = state; + } atomic_dec(&q->owned_by_drv_count); spin_unlock_irqrestore(&q->done_lock, flags); - if (state == VB2_BUF_STATE_QUEUED) { + switch (state) { + case VB2_BUF_STATE_QUEUED: + return; + case VB2_BUF_STATE_REQUEUEING: if (q->start_streaming_called) __enqueue_in_driver(vb); return; + default: + /* Inform any processes that may be waiting for buffers */ + wake_up(&q->done_wq); + break; } - - /* Inform any processes that may be waiting for buffers */ - wake_up(&q->done_wq); } EXPORT_SYMBOL_GPL(vb2_buffer_done); @@ -1244,19 +1254,19 @@ EXPORT_SYMBOL_GPL(vb2_discard_done); static void vb2_warn_zero_bytesused(struct vb2_buffer *vb) { - static bool __check_once __read_mostly; + static bool check_once; - if (__check_once) + if (check_once) return; - __check_once = true; - __WARN(); + check_once = true; + WARN_ON(1); - pr_warn_once("use of bytesused == 0 is deprecated and will be removed in the future,\n"); + pr_warn("use of bytesused == 0 is deprecated and will be removed in the future,\n"); if (vb->vb2_queue->allow_zero_bytesused) - pr_warn_once("use VIDIOC_DECODER_CMD(V4L2_DEC_CMD_STOP) instead.\n"); + pr_warn("use VIDIOC_DECODER_CMD(V4L2_DEC_CMD_STOP) instead.\n"); else - pr_warn_once("use the actual size instead.\n"); + pr_warn("use the actual size instead.\n"); } /** diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index 3a27a84ad3ec..9426276dbe14 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -2245,6 +2245,9 @@ void omap3_gpmc_save_context(void) { int i; + if (!gpmc_base) + return; + gpmc_context.sysconfig = gpmc_read_reg(GPMC_SYSCONFIG); gpmc_context.irqenable = gpmc_read_reg(GPMC_IRQENABLE); gpmc_context.timeout_ctrl = gpmc_read_reg(GPMC_TIMEOUT_CONTROL); @@ -2277,6 +2280,9 @@ void omap3_gpmc_restore_context(void) { int i; + if (!gpmc_base) + return; + gpmc_write_reg(GPMC_SYSCONFIG, gpmc_context.sysconfig); gpmc_write_reg(GPMC_IRQENABLE, gpmc_context.irqenable); gpmc_write_reg(GPMC_TIMEOUT_CONTROL, gpmc_context.timeout_ctrl); diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 653815950aa2..076f593f90d3 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -115,7 +115,7 @@ config MFD_CROS_EC_I2C config MFD_CROS_EC_SPI tristate "ChromeOS Embedded Controller (SPI)" - depends on MFD_CROS_EC && CROS_EC_PROTO && SPI && OF + depends on MFD_CROS_EC && CROS_EC_PROTO && SPI ---help--- If you say Y here, you get support for talking to the ChromeOS EC @@ -328,6 +328,29 @@ config INTEL_SOC_PMIC thermal, charger and related power management functions on these systems. +config MFD_INTEL_LPSS + tristate + select COMMON_CLK + select MFD_CORE + +config MFD_INTEL_LPSS_ACPI + tristate "Intel Low Power Subsystem support in ACPI mode" + select MFD_INTEL_LPSS + depends on X86 && ACPI + help + This driver supports Intel Low Power Subsystem (LPSS) devices such as + I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake + PCH) in ACPI mode. + +config MFD_INTEL_LPSS_PCI + tristate "Intel Low Power Subsystem support in PCI mode" + select MFD_INTEL_LPSS + depends on X86 && PCI + help + This driver supports Intel Low Power Subsystem (LPSS) devices such as + I2C, SPI and HS-UART starting from Intel Sunrisepoint (Intel Skylake + PCH) in PCI mode. + config MFD_INTEL_MSIC bool "Intel MSIC" depends on INTEL_SCU_IPC diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index ea40e076cb61..9d730a2d1878 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -161,6 +161,9 @@ obj-$(CONFIG_TPS65911_COMPARATOR) += tps65911-comparator.o obj-$(CONFIG_MFD_TPS65090) += tps65090.o obj-$(CONFIG_MFD_AAT2870_CORE) += aat2870-core.o obj-$(CONFIG_MFD_ATMEL_HLCDC) += atmel-hlcdc.o +obj-$(CONFIG_MFD_INTEL_LPSS) += intel-lpss.o +obj-$(CONFIG_MFD_INTEL_LPSS_PCI) += intel-lpss-pci.o +obj-$(CONFIG_MFD_INTEL_LPSS_ACPI) += intel-lpss-acpi.o obj-$(CONFIG_MFD_INTEL_MSIC) += intel_msic.o obj-$(CONFIG_MFD_PALMAS) += palmas.o obj-$(CONFIG_MFD_VIPERBOARD) += viperboard.o diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index bebf58a06a6b..a72ddb295078 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -651,7 +651,7 @@ static int arizona_runtime_suspend(struct device *dev) arizona->has_fully_powered_off = true; - disable_irq(arizona->irq); + disable_irq_nosync(arizona->irq); arizona_enable_reset(arizona); regulator_bulk_disable(arizona->num_core_supplies, arizona->core_supplies); @@ -1141,10 +1141,6 @@ int arizona_dev_init(struct arizona *arizona) arizona->pdata.gpio_defaults[i]); } - pm_runtime_set_autosuspend_delay(arizona->dev, 100); - pm_runtime_use_autosuspend(arizona->dev); - pm_runtime_enable(arizona->dev); - /* Chip default */ if (!arizona->pdata.clk32k_src) arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2; @@ -1245,11 +1241,17 @@ int arizona_dev_init(struct arizona *arizona) arizona->pdata.spk_fmt[i]); } + pm_runtime_set_active(arizona->dev); + pm_runtime_enable(arizona->dev); + /* Set up for interrupts */ ret = arizona_irq_init(arizona); if (ret != 0) goto err_reset; + pm_runtime_set_autosuspend_delay(arizona->dev, 100); + pm_runtime_use_autosuspend(arizona->dev); + arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error", arizona_clkgen_err, arizona); arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked", @@ -1278,10 +1280,6 @@ int arizona_dev_init(struct arizona *arizona) goto err_irq; } -#ifdef CONFIG_PM - regulator_disable(arizona->dcvdd); -#endif - return 0; err_irq: diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c new file mode 100644 index 000000000000..0d92d73bfa0e --- /dev/null +++ b/drivers/mfd/intel-lpss-acpi.c @@ -0,0 +1,84 @@ +/* + * Intel LPSS ACPI support. + * + * Copyright (C) 2015, Intel Corporation + * + * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com> + * Mika Westerberg <mika.westerberg@linux.intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/acpi.h> +#include <linux/ioport.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pm.h> +#include <linux/pm_runtime.h> +#include <linux/platform_device.h> + +#include "intel-lpss.h" + +static const struct intel_lpss_platform_info spt_info = { + .clk_rate = 120000000, +}; + +static const struct acpi_device_id intel_lpss_acpi_ids[] = { + /* SPT */ + { "INT3446", (kernel_ulong_t)&spt_info }, + { "INT3447", (kernel_ulong_t)&spt_info }, + { } +}; +MODULE_DEVICE_TABLE(acpi, intel_lpss_acpi_ids); + +static int intel_lpss_acpi_probe(struct platform_device *pdev) +{ + struct intel_lpss_platform_info *info; + const struct acpi_device_id *id; + + id = acpi_match_device(intel_lpss_acpi_ids, &pdev->dev); + if (!id) + return -ENODEV; + + info = devm_kmemdup(&pdev->dev, (void *)id->driver_data, sizeof(*info), + GFP_KERNEL); + if (!info) + return -ENOMEM; + + info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + info->irq = platform_get_irq(pdev, 0); + + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); + + return intel_lpss_probe(&pdev->dev, info); +} + +static int intel_lpss_acpi_remove(struct platform_device *pdev) +{ + intel_lpss_remove(&pdev->dev); + pm_runtime_disable(&pdev->dev); + + return 0; +} + +static INTEL_LPSS_PM_OPS(intel_lpss_acpi_pm_ops); + +static struct platform_driver intel_lpss_acpi_driver = { + .probe = intel_lpss_acpi_probe, + .remove = intel_lpss_acpi_remove, + .driver = { + .name = "intel-lpss", + .acpi_match_table = intel_lpss_acpi_ids, + .pm = &intel_lpss_acpi_pm_ops, + }, +}; + +module_platform_driver(intel_lpss_acpi_driver); + +MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>"); +MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>"); +MODULE_DESCRIPTION("Intel LPSS ACPI driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c new file mode 100644 index 000000000000..9236dffeb4d6 --- /dev/null +++ b/drivers/mfd/intel-lpss-pci.c @@ -0,0 +1,113 @@ +/* + * Intel LPSS PCI support. + * + * Copyright (C) 2015, Intel Corporation + * + * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com> + * Mika Westerberg <mika.westerberg@linux.intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/ioport.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/pm.h> +#include <linux/pm_runtime.h> + +#include "intel-lpss.h" + +static int intel_lpss_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + struct intel_lpss_platform_info *info; + int ret; + + ret = pcim_enable_device(pdev); + if (ret) + return ret; + + info = devm_kmemdup(&pdev->dev, (void *)id->driver_data, sizeof(*info), + GFP_KERNEL); + if (!info) + return -ENOMEM; + + info->mem = &pdev->resource[0]; + info->irq = pdev->irq; + + /* Probably it is enough to set this for iDMA capable devices only */ + pci_set_master(pdev); + + ret = intel_lpss_probe(&pdev->dev, info); + if (ret) + return ret; + + pm_runtime_put(&pdev->dev); + pm_runtime_allow(&pdev->dev); + + return 0; +} + +static void intel_lpss_pci_remove(struct pci_dev *pdev) +{ + pm_runtime_forbid(&pdev->dev); + pm_runtime_get_sync(&pdev->dev); + + intel_lpss_remove(&pdev->dev); +} + +static INTEL_LPSS_PM_OPS(intel_lpss_pci_pm_ops); + +static const struct intel_lpss_platform_info spt_info = { + .clk_rate = 120000000, +}; + +static const struct intel_lpss_platform_info spt_uart_info = { + .clk_rate = 120000000, + .clk_con_id = "baudclk", +}; + +static const struct pci_device_id intel_lpss_pci_ids[] = { + /* SPT-LP */ + { PCI_VDEVICE(INTEL, 0x9d27), (kernel_ulong_t)&spt_uart_info }, + { PCI_VDEVICE(INTEL, 0x9d28), (kernel_ulong_t)&spt_uart_info }, + { PCI_VDEVICE(INTEL, 0x9d29), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x9d2a), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x9d60), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x9d61), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x9d62), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x9d63), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x9d64), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x9d65), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0x9d66), (kernel_ulong_t)&spt_uart_info }, + /* SPT-H */ + { PCI_VDEVICE(INTEL, 0xa127), (kernel_ulong_t)&spt_uart_info }, + { PCI_VDEVICE(INTEL, 0xa128), (kernel_ulong_t)&spt_uart_info }, + { PCI_VDEVICE(INTEL, 0xa129), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0xa12a), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0xa160), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0xa161), (kernel_ulong_t)&spt_info }, + { PCI_VDEVICE(INTEL, 0xa166), (kernel_ulong_t)&spt_uart_info }, + { } +}; +MODULE_DEVICE_TABLE(pci, intel_lpss_pci_ids); + +static struct pci_driver intel_lpss_pci_driver = { + .name = "intel-lpss", + .id_table = intel_lpss_pci_ids, + .probe = intel_lpss_pci_probe, + .remove = intel_lpss_pci_remove, + .driver = { + .pm = &intel_lpss_pci_pm_ops, + }, +}; + +module_pci_driver(intel_lpss_pci_driver); + +MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>"); +MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>"); +MODULE_DESCRIPTION("Intel LPSS PCI driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c new file mode 100644 index 000000000000..fdf4d5c1add2 --- /dev/null +++ b/drivers/mfd/intel-lpss.c @@ -0,0 +1,524 @@ +/* + * Intel Sunrisepoint LPSS core support. + * + * Copyright (C) 2015, Intel Corporation + * + * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com> + * Mika Westerberg <mika.westerberg@linux.intel.com> + * Heikki Krogerus <heikki.krogerus@linux.intel.com> + * Jarkko Nikula <jarkko.nikula@linux.intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/clk-provider.h> +#include <linux/debugfs.h> +#include <linux/idr.h> +#include <linux/ioport.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mfd/core.h> +#include <linux/pm_qos.h> +#include <linux/pm_runtime.h> +#include <linux/seq_file.h> + +#include "intel-lpss.h" + +#define LPSS_DEV_OFFSET 0x000 +#define LPSS_DEV_SIZE 0x200 +#define LPSS_PRIV_OFFSET 0x200 +#define LPSS_PRIV_SIZE 0x100 +#define LPSS_IDMA64_OFFSET 0x800 +#define LPSS_IDMA64_SIZE 0x800 + +/* Offsets from lpss->priv */ +#define LPSS_PRIV_RESETS 0x04 +#define LPSS_PRIV_RESETS_FUNC BIT(2) +#define LPSS_PRIV_RESETS_IDMA 0x3 + +#define LPSS_PRIV_ACTIVELTR 0x10 +#define LPSS_PRIV_IDLELTR 0x14 + +#define LPSS_PRIV_LTR_REQ BIT(15) +#define LPSS_PRIV_LTR_SCALE_MASK 0xc00 +#define LPSS_PRIV_LTR_SCALE_1US 0x800 +#define LPSS_PRIV_LTR_SCALE_32US 0xc00 +#define LPSS_PRIV_LTR_VALUE_MASK 0x3ff + +#define LPSS_PRIV_SSP_REG 0x20 +#define LPSS_PRIV_SSP_REG_DIS_DMA_FIN BIT(0) + +#define LPSS_PRIV_REMAP_ADDR_LO 0x40 +#define LPSS_PRIV_REMAP_ADDR_HI 0x44 + +#define LPSS_PRIV_CAPS 0xfc +#define LPSS_PRIV_CAPS_NO_IDMA BIT(8) +#define LPSS_PRIV_CAPS_TYPE_SHIFT 4 +#define LPSS_PRIV_CAPS_TYPE_MASK (0xf << LPSS_PRIV_CAPS_TYPE_SHIFT) + +/* This matches the type field in CAPS register */ +enum intel_lpss_dev_type { + LPSS_DEV_I2C = 0, + LPSS_DEV_UART, + LPSS_DEV_SPI, +}; + +struct intel_lpss { + const struct intel_lpss_platform_info *info; + enum intel_lpss_dev_type type; + struct clk *clk; + struct clk_lookup *clock; + const struct mfd_cell *cell; + struct device *dev; + void __iomem *priv; + int devid; + u32 caps; + u32 active_ltr; + u32 idle_ltr; + struct dentry *debugfs; +}; + +static const struct resource intel_lpss_dev_resources[] = { + DEFINE_RES_MEM_NAMED(LPSS_DEV_OFFSET, LPSS_DEV_SIZE, "lpss_dev"), + DEFINE_RES_MEM_NAMED(LPSS_PRIV_OFFSET, LPSS_PRIV_SIZE, "lpss_priv"), + DEFINE_RES_IRQ(0), +}; + +static const struct resource intel_lpss_idma64_resources[] = { + DEFINE_RES_MEM(LPSS_IDMA64_OFFSET, LPSS_IDMA64_SIZE), + DEFINE_RES_IRQ(0), +}; + +#define LPSS_IDMA64_DRIVER_NAME "idma64" + +/* + * Cells needs to be ordered so that the iDMA is created first. This is + * because we need to be sure the DMA is available when the host controller + * driver is probed. + */ +static const struct mfd_cell intel_lpss_idma64_cell = { + .name = LPSS_IDMA64_DRIVER_NAME, + .num_resources = ARRAY_SIZE(intel_lpss_idma64_resources), + .resources = intel_lpss_idma64_resources, +}; + +static const struct mfd_cell intel_lpss_i2c_cell = { + .name = "i2c_designware", + .num_resources = ARRAY_SIZE(intel_lpss_dev_resources), + .resources = intel_lpss_dev_resources, +}; + +static const struct mfd_cell intel_lpss_uart_cell = { + .name = "dw-apb-uart", + .num_resources = ARRAY_SIZE(intel_lpss_dev_resources), + .resources = intel_lpss_dev_resources, +}; + +static const struct mfd_cell intel_lpss_spi_cell = { + .name = "pxa2xx-spi", + .num_resources = ARRAY_SIZE(intel_lpss_dev_resources), + .resources = intel_lpss_dev_resources, +}; + +static DEFINE_IDA(intel_lpss_devid_ida); +static struct dentry *intel_lpss_debugfs; + +static int intel_lpss_request_dma_module(const char *name) +{ + static bool intel_lpss_dma_requested; + + if (intel_lpss_dma_requested) + return 0; + + intel_lpss_dma_requested = true; + return request_module("%s", name); +} + +static void intel_lpss_cache_ltr(struct intel_lpss *lpss) +{ + lpss->active_ltr = readl(lpss->priv + LPSS_PRIV_ACTIVELTR); + lpss->idle_ltr = readl(lpss->priv + LPSS_PRIV_IDLELTR); +} + +static int intel_lpss_debugfs_add(struct intel_lpss *lpss) +{ + struct dentry *dir; + + dir = debugfs_create_dir(dev_name(lpss->dev), intel_lpss_debugfs); + if (IS_ERR(dir)) + return PTR_ERR(dir); + + /* Cache the values into lpss structure */ + intel_lpss_cache_ltr(lpss); + + debugfs_create_x32("capabilities", S_IRUGO, dir, &lpss->caps); + debugfs_create_x32("active_ltr", S_IRUGO, dir, &lpss->active_ltr); + debugfs_create_x32("idle_ltr", S_IRUGO, dir, &lpss->idle_ltr); + + lpss->debugfs = dir; + return 0; +} + +static void intel_lpss_debugfs_remove(struct intel_lpss *lpss) +{ + debugfs_remove_recursive(lpss->debugfs); +} + +static void intel_lpss_ltr_set(struct device *dev, s32 val) +{ + struct intel_lpss *lpss = dev_get_drvdata(dev); + u32 ltr; + + /* + * Program latency tolerance (LTR) accordingly what has been asked + * by the PM QoS layer or disable it in case we were passed + * negative value or PM_QOS_LATENCY_ANY. + */ + ltr = readl(lpss->priv + LPSS_PRIV_ACTIVELTR); + + if (val == PM_QOS_LATENCY_ANY || val < 0) { + ltr &= ~LPSS_PRIV_LTR_REQ; + } else { + ltr |= LPSS_PRIV_LTR_REQ; + ltr &= ~LPSS_PRIV_LTR_SCALE_MASK; + ltr &= ~LPSS_PRIV_LTR_VALUE_MASK; + + if (val > LPSS_PRIV_LTR_VALUE_MASK) + ltr |= LPSS_PRIV_LTR_SCALE_32US | val >> 5; + else + ltr |= LPSS_PRIV_LTR_SCALE_1US | val; + } + + if (ltr == lpss->active_ltr) + return; + + writel(ltr, lpss->priv + LPSS_PRIV_ACTIVELTR); + writel(ltr, lpss->priv + LPSS_PRIV_IDLELTR); + + /* Cache the values into lpss structure */ + intel_lpss_cache_ltr(lpss); +} + +static void intel_lpss_ltr_expose(struct intel_lpss *lpss) +{ + lpss->dev->power.set_latency_tolerance = intel_lpss_ltr_set; + dev_pm_qos_expose_latency_tolerance(lpss->dev); +} + +static void intel_lpss_ltr_hide(struct intel_lpss *lpss) +{ + dev_pm_qos_hide_latency_tolerance(lpss->dev); + lpss->dev->power.set_latency_tolerance = NULL; +} + +static int intel_lpss_assign_devs(struct intel_lpss *lpss) +{ + unsigned int type; + + type = lpss->caps & LPSS_PRIV_CAPS_TYPE_MASK; + type >>= LPSS_PRIV_CAPS_TYPE_SHIFT; + + switch (type) { + case LPSS_DEV_I2C: + lpss->cell = &intel_lpss_i2c_cell; + break; + case LPSS_DEV_UART: + lpss->cell = &intel_lpss_uart_cell; + break; + case LPSS_DEV_SPI: + lpss->cell = &intel_lpss_spi_cell; + break; + default: + return -ENODEV; + } + + lpss->type = type; + + return 0; +} + +static bool intel_lpss_has_idma(const struct intel_lpss *lpss) +{ + return (lpss->caps & LPSS_PRIV_CAPS_NO_IDMA) == 0; +} + +static void intel_lpss_set_remap_addr(const struct intel_lpss *lpss) +{ + resource_size_t addr = lpss->info->mem->start; + + writel(addr, lpss->priv + LPSS_PRIV_REMAP_ADDR_LO); +#if BITS_PER_LONG > 32 + writel(addr >> 32, lpss->priv + LPSS_PRIV_REMAP_ADDR_HI); +#else + writel(0, lpss->priv + LPSS_PRIV_REMAP_ADDR_HI); +#endif +} + +static void intel_lpss_deassert_reset(const struct intel_lpss *lpss) +{ + u32 value = LPSS_PRIV_RESETS_FUNC | LPSS_PRIV_RESETS_IDMA; + + /* Bring out the device from reset */ + writel(value, lpss->priv + LPSS_PRIV_RESETS); +} + +static void intel_lpss_init_dev(const struct intel_lpss *lpss) +{ + u32 value = LPSS_PRIV_SSP_REG_DIS_DMA_FIN; + + intel_lpss_deassert_reset(lpss); + + if (!intel_lpss_has_idma(lpss)) + return; + + intel_lpss_set_remap_addr(lpss); + + /* Make sure that SPI multiblock DMA transfers are re-enabled */ + if (lpss->type == LPSS_DEV_SPI) + writel(value, lpss->priv + LPSS_PRIV_SSP_REG); +} + +static void intel_lpss_unregister_clock_tree(struct clk *clk) +{ + struct clk *parent; + + while (clk) { + parent = clk_get_parent(clk); + clk_unregister(clk); + clk = parent; + } +} + +static int intel_lpss_register_clock_divider(struct intel_lpss *lpss, + const char *devname, + struct clk **clk) +{ + char name[32]; + struct clk *tmp = *clk; + + snprintf(name, sizeof(name), "%s-enable", devname); + tmp = clk_register_gate(NULL, name, __clk_get_name(tmp), 0, + lpss->priv, 0, 0, NULL); + if (IS_ERR(tmp)) + return PTR_ERR(tmp); + + snprintf(name, sizeof(name), "%s-div", devname); + tmp = clk_register_fractional_divider(NULL, name, __clk_get_name(tmp), + 0, lpss->priv, 1, 15, 16, 15, 0, + NULL); + if (IS_ERR(tmp)) + return PTR_ERR(tmp); + *clk = tmp; + + snprintf(name, sizeof(name), "%s-update", devname); + tmp = clk_register_gate(NULL, name, __clk_get_name(tmp), + CLK_SET_RATE_PARENT, lpss->priv, 31, 0, NULL); + if (IS_ERR(tmp)) + return PTR_ERR(tmp); + *clk = tmp; + + return 0; +} + +static int intel_lpss_register_clock(struct intel_lpss *lpss) +{ + const struct mfd_cell *cell = lpss->cell; + struct clk *clk; + char devname[24]; + int ret; + + if (!lpss->info->clk_rate) + return 0; + + /* Root clock */ + clk = clk_register_fixed_rate(NULL, dev_name(lpss->dev), NULL, + CLK_IS_ROOT, lpss->info->clk_rate); + if (IS_ERR(clk)) + return PTR_ERR(clk); + + snprintf(devname, sizeof(devname), "%s.%d", cell->name, lpss->devid); + + /* + * Support for clock divider only if it has some preset value. + * Otherwise we assume that the divider is not used. + */ + if (lpss->type != LPSS_DEV_I2C) { + ret = intel_lpss_register_clock_divider(lpss, devname, &clk); + if (ret) + goto err_clk_register; + } + + ret = -ENOMEM; + + /* Clock for the host controller */ + lpss->clock = clkdev_create(clk, lpss->info->clk_con_id, "%s", devname); + if (!lpss->clock) + goto err_clk_register; + + lpss->clk = clk; + + return 0; + +err_clk_register: + intel_lpss_unregister_clock_tree(clk); + + return ret; +} + +static void intel_lpss_unregister_clock(struct intel_lpss *lpss) +{ + if (IS_ERR_OR_NULL(lpss->clk)) + return; + + clkdev_drop(lpss->clock); + intel_lpss_unregister_clock_tree(lpss->clk); +} + +int intel_lpss_probe(struct device *dev, + const struct intel_lpss_platform_info *info) +{ + struct intel_lpss *lpss; + int ret; + + if (!info || !info->mem || info->irq <= 0) + return -EINVAL; + + lpss = devm_kzalloc(dev, sizeof(*lpss), GFP_KERNEL); + if (!lpss) + return -ENOMEM; + + lpss->priv = devm_ioremap(dev, info->mem->start + LPSS_PRIV_OFFSET, + LPSS_PRIV_SIZE); + if (!lpss->priv) + return -ENOMEM; + + lpss->info = info; + lpss->dev = dev; + lpss->caps = readl(lpss->priv + LPSS_PRIV_CAPS); + + dev_set_drvdata(dev, lpss); + + ret = intel_lpss_assign_devs(lpss); + if (ret) + return ret; + + intel_lpss_init_dev(lpss); + + lpss->devid = ida_simple_get(&intel_lpss_devid_ida, 0, 0, GFP_KERNEL); + if (lpss->devid < 0) + return lpss->devid; + + ret = intel_lpss_register_clock(lpss); + if (ret) + goto err_clk_register; + + intel_lpss_ltr_expose(lpss); + + ret = intel_lpss_debugfs_add(lpss); + if (ret) + dev_warn(dev, "Failed to create debugfs entries\n"); + + if (intel_lpss_has_idma(lpss)) { + /* + * Ensure the DMA driver is loaded before the host + * controller device appears, so that the host controller + * driver can request its DMA channels as early as + * possible. + * + * If the DMA module is not there that's OK as well. + */ + intel_lpss_request_dma_module(LPSS_IDMA64_DRIVER_NAME); + + ret = mfd_add_devices(dev, lpss->devid, &intel_lpss_idma64_cell, + 1, info->mem, info->irq, NULL); + if (ret) + dev_warn(dev, "Failed to add %s, fallback to PIO\n", + LPSS_IDMA64_DRIVER_NAME); + } + + ret = mfd_add_devices(dev, lpss->devid, lpss->cell, + 1, info->mem, info->irq, NULL); + if (ret) + goto err_remove_ltr; + + return 0; + +err_remove_ltr: + intel_lpss_debugfs_remove(lpss); + intel_lpss_ltr_hide(lpss); + +err_clk_register: + ida_simple_remove(&intel_lpss_devid_ida, lpss->devid); + + return ret; +} +EXPORT_SYMBOL_GPL(intel_lpss_probe); + +void intel_lpss_remove(struct device *dev) +{ + struct intel_lpss *lpss = dev_get_drvdata(dev); + + mfd_remove_devices(dev); + intel_lpss_debugfs_remove(lpss); + intel_lpss_ltr_hide(lpss); + intel_lpss_unregister_clock(lpss); + ida_simple_remove(&intel_lpss_devid_ida, lpss->devid); +} +EXPORT_SYMBOL_GPL(intel_lpss_remove); + +static int resume_lpss_device(struct device *dev, void *data) +{ + pm_runtime_resume(dev); + return 0; +} + +int intel_lpss_prepare(struct device *dev) +{ + /* + * Resume both child devices before entering system sleep. This + * ensures that they are in proper state before they get suspended. + */ + device_for_each_child_reverse(dev, NULL, resume_lpss_device); + return 0; +} +EXPORT_SYMBOL_GPL(intel_lpss_prepare); + +int intel_lpss_suspend(struct device *dev) +{ + return 0; +} +EXPORT_SYMBOL_GPL(intel_lpss_suspend); + +int intel_lpss_resume(struct device *dev) +{ + struct intel_lpss *lpss = dev_get_drvdata(dev); + + intel_lpss_init_dev(lpss); + + return 0; +} +EXPORT_SYMBOL_GPL(intel_lpss_resume); + +static int __init intel_lpss_init(void) +{ + intel_lpss_debugfs = debugfs_create_dir("intel_lpss", NULL); + return 0; +} +module_init(intel_lpss_init); + +static void __exit intel_lpss_exit(void) +{ + debugfs_remove(intel_lpss_debugfs); +} +module_exit(intel_lpss_exit); + +MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>"); +MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>"); +MODULE_AUTHOR("Heikki Krogerus <heikki.krogerus@linux.intel.com>"); +MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@linux.intel.com>"); +MODULE_DESCRIPTION("Intel LPSS core driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mfd/intel-lpss.h b/drivers/mfd/intel-lpss.h new file mode 100644 index 000000000000..f28cb28a62f8 --- /dev/null +++ b/drivers/mfd/intel-lpss.h @@ -0,0 +1,62 @@ +/* + * Intel LPSS core support. + * + * Copyright (C) 2015, Intel Corporation + * + * Authors: Andy Shevchenko <andriy.shevchenko@linux.intel.com> + * Mika Westerberg <mika.westerberg@linux.intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __MFD_INTEL_LPSS_H +#define __MFD_INTEL_LPSS_H + +struct device; +struct resource; + +struct intel_lpss_platform_info { + struct resource *mem; + int irq; + unsigned long clk_rate; + const char *clk_con_id; +}; + +int intel_lpss_probe(struct device *dev, + const struct intel_lpss_platform_info *info); +void intel_lpss_remove(struct device *dev); + +#ifdef CONFIG_PM +int intel_lpss_prepare(struct device *dev); +int intel_lpss_suspend(struct device *dev); +int intel_lpss_resume(struct device *dev); + +#ifdef CONFIG_PM_SLEEP +#define INTEL_LPSS_SLEEP_PM_OPS \ + .prepare = intel_lpss_prepare, \ + .suspend = intel_lpss_suspend, \ + .resume = intel_lpss_resume, \ + .freeze = intel_lpss_suspend, \ + .thaw = intel_lpss_resume, \ + .poweroff = intel_lpss_suspend, \ + .restore = intel_lpss_resume, +#endif + +#define INTEL_LPSS_RUNTIME_PM_OPS \ + .runtime_suspend = intel_lpss_suspend, \ + .runtime_resume = intel_lpss_resume, + +#else /* !CONFIG_PM */ +#define INTEL_LPSS_SLEEP_PM_OPS +#define INTEL_LPSS_RUNTIME_PM_OPS +#endif /* CONFIG_PM */ + +#define INTEL_LPSS_PM_OPS(name) \ +const struct dev_pm_ops name = { \ + INTEL_LPSS_SLEEP_PM_OPS \ + INTEL_LPSS_RUNTIME_PM_OPS \ +} + +#endif /* __MFD_INTEL_LPSS_H */ diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 14fd5cbcf0f2..c17635d3e504 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -302,7 +302,7 @@ void mfd_remove_devices(struct device *parent) { atomic_t *cnts = NULL; - device_for_each_child(parent, &cnts, mfd_remove_devices_fn); + device_for_each_child_reverse(parent, &cnts, mfd_remove_devices_fn); kfree(cnts); } EXPORT_SYMBOL(mfd_remove_devices); diff --git a/drivers/mfd/stmpe-i2c.c b/drivers/mfd/stmpe-i2c.c index 5c054031c3f8..e14c8c9d189b 100644 --- a/drivers/mfd/stmpe-i2c.c +++ b/drivers/mfd/stmpe-i2c.c @@ -6,7 +6,7 @@ * * License Terms: GNU General Public License, version 2 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson - * Author: Viresh Kumar <viresh.linux@gmail.com> for ST Microelectronics + * Author: Viresh Kumar <vireshk@kernel.org> for ST Microelectronics */ #include <linux/i2c.h> diff --git a/drivers/mfd/stmpe-spi.c b/drivers/mfd/stmpe-spi.c index a81badbaa917..6fdb30e84a2b 100644 --- a/drivers/mfd/stmpe-spi.c +++ b/drivers/mfd/stmpe-spi.c @@ -4,7 +4,7 @@ * Copyright (C) ST Microelectronics SA 2011 * * License Terms: GNU General Public License, version 2 - * Author: Viresh Kumar <viresh.linux@gmail.com> for ST Microelectronics + * Author: Viresh Kumar <vireshk@kernel.org> for ST Microelectronics */ #include <linux/spi/spi.h> @@ -146,4 +146,4 @@ module_exit(stmpe_exit); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("STMPE MFD SPI Interface Driver"); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index 2d3db81be099..6ded3dc36644 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -438,9 +438,6 @@ static ssize_t at24_bin_write(struct file *filp, struct kobject *kobj, { struct at24_data *at24; - if (unlikely(off >= attr->size)) - return -EFBIG; - at24 = dev_get_drvdata(container_of(kobj, struct device, kobj)); return at24_write(at24, buf, off, count); } diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 8eb0a9500a90..e9513d651cd3 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -682,7 +682,7 @@ int mei_register(struct mei_device *dev, struct device *parent) /* Fill in the data structures */ devno = MKDEV(MAJOR(mei_devt), dev->minor); cdev_init(&dev->cdev, &mei_fops); - dev->cdev.owner = mei_fops.owner; + dev->cdev.owner = parent->driver->owner; /* Add the device */ ret = cdev_add(&dev->cdev, devno, 1); diff --git a/drivers/misc/mic/scif/scif_nodeqp.c b/drivers/misc/mic/scif/scif_nodeqp.c index 41e3bdb10061..6dfdae3452d6 100644 --- a/drivers/misc/mic/scif/scif_nodeqp.c +++ b/drivers/misc/mic/scif/scif_nodeqp.c @@ -357,7 +357,7 @@ static void scif_p2p_freesg(struct scatterlist *sg) } static struct scatterlist * -scif_p2p_setsg(void __iomem *va, int page_size, int page_cnt) +scif_p2p_setsg(phys_addr_t pa, int page_size, int page_cnt) { struct scatterlist *sg; struct page *page; @@ -368,16 +368,11 @@ scif_p2p_setsg(void __iomem *va, int page_size, int page_cnt) return NULL; sg_init_table(sg, page_cnt); for (i = 0; i < page_cnt; i++) { - page = vmalloc_to_page((void __force *)va); - if (!page) - goto p2p_sg_err; + page = pfn_to_page(pa >> PAGE_SHIFT); sg_set_page(&sg[i], page, page_size, 0); - va += page_size; + pa += page_size; } return sg; -p2p_sg_err: - kfree(sg); - return NULL; } /* Init p2p mappings required to access peerdev from scifdev */ @@ -395,14 +390,14 @@ scif_init_p2p_info(struct scif_dev *scifdev, struct scif_dev *peerdev) p2p = kzalloc(sizeof(*p2p), GFP_KERNEL); if (!p2p) return NULL; - p2p->ppi_sg[SCIF_PPI_MMIO] = scif_p2p_setsg(psdev->mmio->va, + p2p->ppi_sg[SCIF_PPI_MMIO] = scif_p2p_setsg(psdev->mmio->pa, PAGE_SIZE, num_mmio_pages); if (!p2p->ppi_sg[SCIF_PPI_MMIO]) goto free_p2p; p2p->sg_nentries[SCIF_PPI_MMIO] = num_mmio_pages; sg_page_shift = get_order(min(psdev->aper->len, (u64)(1 << 30))); num_aper_chunks = num_aper_pages >> (sg_page_shift - PAGE_SHIFT); - p2p->ppi_sg[SCIF_PPI_APER] = scif_p2p_setsg(psdev->aper->va, + p2p->ppi_sg[SCIF_PPI_APER] = scif_p2p_setsg(psdev->aper->pa, 1 << sg_page_shift, num_aper_chunks); p2p->sg_nentries[SCIF_PPI_APER] = num_aper_chunks; diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index c9c3d20b784b..a1b820fcb2a6 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -208,6 +208,8 @@ static ssize_t power_ro_lock_show(struct device *dev, ret = snprintf(buf, PAGE_SIZE, "%d\n", locked); + mmc_blk_put(md); + return ret; } diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index fd9a58e216a5..6a0f9c79be26 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -779,6 +779,7 @@ config MMC_TOSHIBA_PCI config MMC_MTK tristate "MediaTek SD/MMC Card Interface support" + depends on HAS_DMA help This selects the MediaTek(R) Secure digital and Multimedia card Interface. If you have a machine with a integrated SD/MMC card reader, say Y or M here. diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index b2b411da297b..4d1203236890 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1062,9 +1062,14 @@ static void omap_hsmmc_do_irq(struct omap_hsmmc_host *host, int status) if (status & (CTO_EN | CCRC_EN)) end_cmd = 1; + if (host->data || host->response_busy) { + end_trans = !end_cmd; + host->response_busy = 0; + } if (status & (CTO_EN | DTO_EN)) hsmmc_command_incomplete(host, -ETIMEDOUT, end_cmd); - else if (status & (CCRC_EN | DCRC_EN)) + else if (status & (CCRC_EN | DCRC_EN | DEB_EN | CEB_EN | + BADA_EN)) hsmmc_command_incomplete(host, -EILSEQ, end_cmd); if (status & ACE_EN) { @@ -1081,10 +1086,6 @@ static void omap_hsmmc_do_irq(struct omap_hsmmc_host *host, int status) } dev_dbg(mmc_dev(host->mmc), "AC12 err: 0x%x\n", ac12); } - if (host->data || host->response_busy) { - end_trans = !end_cmd; - host->response_busy = 0; - } } OMAP_HSMMC_WRITE(host->base, STAT, status); diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index faf0cb910c96..c6b9f6492e1a 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -581,13 +581,8 @@ static void esdhc_writeb_le(struct sdhci_host *host, u8 val, int reg) static unsigned int esdhc_pltfm_get_max_clock(struct sdhci_host *host) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct pltfm_imx_data *imx_data = pltfm_host->priv; - struct esdhc_platform_data *boarddata = &imx_data->boarddata; - if (boarddata->f_max && (boarddata->f_max < pltfm_host->clock)) - return boarddata->f_max; - else - return pltfm_host->clock; + return pltfm_host->clock; } static unsigned int esdhc_pltfm_get_min_clock(struct sdhci_host *host) @@ -878,34 +873,19 @@ static const struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = { static int sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, struct sdhci_host *host, - struct esdhc_platform_data *boarddata) + struct pltfm_imx_data *imx_data) { struct device_node *np = pdev->dev.of_node; - - if (!np) - return -ENODEV; - - if (of_get_property(np, "non-removable", NULL)) - boarddata->cd_type = ESDHC_CD_PERMANENT; - - if (of_get_property(np, "fsl,cd-controller", NULL)) - boarddata->cd_type = ESDHC_CD_CONTROLLER; + struct esdhc_platform_data *boarddata = &imx_data->boarddata; + int ret; if (of_get_property(np, "fsl,wp-controller", NULL)) boarddata->wp_type = ESDHC_WP_CONTROLLER; - boarddata->cd_gpio = of_get_named_gpio(np, "cd-gpios", 0); - if (gpio_is_valid(boarddata->cd_gpio)) - boarddata->cd_type = ESDHC_CD_GPIO; - boarddata->wp_gpio = of_get_named_gpio(np, "wp-gpios", 0); if (gpio_is_valid(boarddata->wp_gpio)) boarddata->wp_type = ESDHC_WP_GPIO; - of_property_read_u32(np, "bus-width", &boarddata->max_bus_width); - - of_property_read_u32(np, "max-frequency", &boarddata->f_max); - if (of_find_property(np, "no-1-8-v", NULL)) boarddata->support_vsel = false; else @@ -916,29 +896,119 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, mmc_of_parse_voltage(np, &host->ocr_mask); + /* sdr50 and sdr104 needs work on 1.8v signal voltage */ + if ((boarddata->support_vsel) && esdhc_is_usdhc(imx_data) && + !IS_ERR(imx_data->pins_default)) { + imx_data->pins_100mhz = pinctrl_lookup_state(imx_data->pinctrl, + ESDHC_PINCTRL_STATE_100MHZ); + imx_data->pins_200mhz = pinctrl_lookup_state(imx_data->pinctrl, + ESDHC_PINCTRL_STATE_200MHZ); + if (IS_ERR(imx_data->pins_100mhz) || + IS_ERR(imx_data->pins_200mhz)) { + dev_warn(mmc_dev(host->mmc), + "could not get ultra high speed state, work on normal mode\n"); + /* + * fall back to not support uhs by specify no 1.8v quirk + */ + host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; + } + } else { + host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; + } + /* call to generic mmc_of_parse to support additional capabilities */ - return mmc_of_parse(host->mmc); + ret = mmc_of_parse(host->mmc); + if (ret) + return ret; + + if (!IS_ERR_VALUE(mmc_gpio_get_cd(host->mmc))) + host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; + + return 0; } #else static inline int sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, struct sdhci_host *host, - struct esdhc_platform_data *boarddata) + struct pltfm_imx_data *imx_data) { return -ENODEV; } #endif +static int sdhci_esdhc_imx_probe_nondt(struct platform_device *pdev, + struct sdhci_host *host, + struct pltfm_imx_data *imx_data) +{ + struct esdhc_platform_data *boarddata = &imx_data->boarddata; + int err; + + if (!host->mmc->parent->platform_data) { + dev_err(mmc_dev(host->mmc), "no board data!\n"); + return -EINVAL; + } + + imx_data->boarddata = *((struct esdhc_platform_data *) + host->mmc->parent->platform_data); + /* write_protect */ + if (boarddata->wp_type == ESDHC_WP_GPIO) { + err = mmc_gpio_request_ro(host->mmc, boarddata->wp_gpio); + if (err) { + dev_err(mmc_dev(host->mmc), + "failed to request write-protect gpio!\n"); + return err; + } + host->mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH; + } + + /* card_detect */ + switch (boarddata->cd_type) { + case ESDHC_CD_GPIO: + err = mmc_gpio_request_cd(host->mmc, boarddata->cd_gpio, 0); + if (err) { + dev_err(mmc_dev(host->mmc), + "failed to request card-detect gpio!\n"); + return err; + } + /* fall through */ + + case ESDHC_CD_CONTROLLER: + /* we have a working card_detect back */ + host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; + break; + + case ESDHC_CD_PERMANENT: + host->mmc->caps |= MMC_CAP_NONREMOVABLE; + break; + + case ESDHC_CD_NONE: + break; + } + + switch (boarddata->max_bus_width) { + case 8: + host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA; + break; + case 4: + host->mmc->caps |= MMC_CAP_4_BIT_DATA; + break; + case 1: + default: + host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA; + break; + } + + return 0; +} + static int sdhci_esdhc_imx_probe(struct platform_device *pdev) { const struct of_device_id *of_id = of_match_device(imx_esdhc_dt_ids, &pdev->dev); struct sdhci_pltfm_host *pltfm_host; struct sdhci_host *host; - struct esdhc_platform_data *boarddata; int err; struct pltfm_imx_data *imx_data; - bool dt = true; host = sdhci_pltfm_init(pdev, &sdhci_esdhc_imx_pdata, 0); if (IS_ERR(host)) @@ -1030,84 +1100,12 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) if (imx_data->socdata->flags & ESDHC_FLAG_ERR004536) host->quirks |= SDHCI_QUIRK_BROKEN_ADMA; - boarddata = &imx_data->boarddata; - if (sdhci_esdhc_imx_probe_dt(pdev, host, boarddata) < 0) { - if (!host->mmc->parent->platform_data) { - dev_err(mmc_dev(host->mmc), "no board data!\n"); - err = -EINVAL; - goto disable_clk; - } - imx_data->boarddata = *((struct esdhc_platform_data *) - host->mmc->parent->platform_data); - dt = false; - } - /* write_protect */ - if (boarddata->wp_type == ESDHC_WP_GPIO && !dt) { - err = mmc_gpio_request_ro(host->mmc, boarddata->wp_gpio); - if (err) { - dev_err(mmc_dev(host->mmc), - "failed to request write-protect gpio!\n"); - goto disable_clk; - } - host->mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH; - } - - /* card_detect */ - switch (boarddata->cd_type) { - case ESDHC_CD_GPIO: - if (dt) - break; - err = mmc_gpio_request_cd(host->mmc, boarddata->cd_gpio, 0); - if (err) { - dev_err(mmc_dev(host->mmc), - "failed to request card-detect gpio!\n"); - goto disable_clk; - } - /* fall through */ - - case ESDHC_CD_CONTROLLER: - /* we have a working card_detect back */ - host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; - break; - - case ESDHC_CD_PERMANENT: - host->mmc->caps |= MMC_CAP_NONREMOVABLE; - break; - - case ESDHC_CD_NONE: - break; - } - - switch (boarddata->max_bus_width) { - case 8: - host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA; - break; - case 4: - host->mmc->caps |= MMC_CAP_4_BIT_DATA; - break; - case 1: - default: - host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA; - break; - } - - /* sdr50 and sdr104 needs work on 1.8v signal voltage */ - if ((boarddata->support_vsel) && esdhc_is_usdhc(imx_data) && - !IS_ERR(imx_data->pins_default)) { - imx_data->pins_100mhz = pinctrl_lookup_state(imx_data->pinctrl, - ESDHC_PINCTRL_STATE_100MHZ); - imx_data->pins_200mhz = pinctrl_lookup_state(imx_data->pinctrl, - ESDHC_PINCTRL_STATE_200MHZ); - if (IS_ERR(imx_data->pins_100mhz) || - IS_ERR(imx_data->pins_200mhz)) { - dev_warn(mmc_dev(host->mmc), - "could not get ultra high speed state, work on normal mode\n"); - /* fall back to not support uhs by specify no 1.8v quirk */ - host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; - } - } else { - host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; - } + if (of_id) + err = sdhci_esdhc_imx_probe_dt(pdev, host, imx_data); + else + err = sdhci_esdhc_imx_probe_nondt(pdev, host, imx_data); + if (err) + goto disable_clk; err = sdhci_add_host(host); if (err) diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h index 3497cfaf683c..a870c42731d7 100644 --- a/drivers/mmc/host/sdhci-esdhc.h +++ b/drivers/mmc/host/sdhci-esdhc.h @@ -45,6 +45,6 @@ #define ESDHC_DMA_SYSCTL 0x40c #define ESDHC_DMA_SNOOP 0x00000040 -#define ESDHC_HOST_CONTROL_RES 0x05 +#define ESDHC_HOST_CONTROL_RES 0x01 #endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */ diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c index 9cd5fc62f130..946d37f94a31 100644 --- a/drivers/mmc/host/sdhci-pxav3.c +++ b/drivers/mmc/host/sdhci-pxav3.c @@ -411,6 +411,7 @@ static int sdhci_pxav3_probe(struct platform_device *pdev) goto err_of_parse; sdhci_get_of_property(pdev); pdata = pxav3_get_mmc_pdata(dev); + pdev->dev.platform_data = pdata; } else if (pdata) { /* on-chip device */ if (pdata->flags & PXA_FLAG_CARD_PERMANENT) diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c index df088343d60f..255a896769b8 100644 --- a/drivers/mmc/host/sdhci-spear.c +++ b/drivers/mmc/host/sdhci-spear.c @@ -4,7 +4,7 @@ * Support of SDHCI platform devices for spear soc family * * Copyright (C) 2010 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * Inspired by sdhci-pltfm.c * @@ -211,5 +211,5 @@ static struct platform_driver sdhci_driver = { module_platform_driver(sdhci_driver); MODULE_DESCRIPTION("SPEAr Secure Digital Host Controller Interface driver"); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index bc1445238fb3..1dbe93232030 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2866,6 +2866,7 @@ int sdhci_add_host(struct sdhci_host *host) u32 max_current_caps; unsigned int ocr_avail; unsigned int override_timeout_clk; + u32 max_clk; int ret; WARN_ON(host == NULL); @@ -2978,8 +2979,11 @@ int sdhci_add_host(struct sdhci_host *host) GFP_KERNEL); host->align_buffer = kmalloc(host->align_buffer_sz, GFP_KERNEL); if (!host->adma_table || !host->align_buffer) { - dma_free_coherent(mmc_dev(mmc), host->adma_table_sz, - host->adma_table, host->adma_addr); + if (host->adma_table) + dma_free_coherent(mmc_dev(mmc), + host->adma_table_sz, + host->adma_table, + host->adma_addr); kfree(host->align_buffer); pr_warn("%s: Unable to allocate ADMA buffers - falling back to standard DMA\n", mmc_hostname(mmc)); @@ -3047,18 +3051,22 @@ int sdhci_add_host(struct sdhci_host *host) * Set host parameters. */ mmc->ops = &sdhci_ops; - mmc->f_max = host->max_clk; + max_clk = host->max_clk; + if (host->ops->get_min_clock) mmc->f_min = host->ops->get_min_clock(host); else if (host->version >= SDHCI_SPEC_300) { if (host->clk_mul) { mmc->f_min = (host->max_clk * host->clk_mul) / 1024; - mmc->f_max = host->max_clk * host->clk_mul; + max_clk = host->max_clk * host->clk_mul; } else mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_300; } else mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200; + if (!mmc->f_max || (mmc->f_max && (mmc->f_max > max_clk))) + mmc->f_max = max_clk; + if (!(host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)) { host->timeout_clk = (caps[0] & SDHCI_TIMEOUT_CLK_MASK) >> SDHCI_TIMEOUT_CLK_SHIFT; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 317a49480475..a98dd4f1b0e3 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -625,6 +625,23 @@ static void bond_set_dev_addr(struct net_device *bond_dev, call_netdevice_notifiers(NETDEV_CHANGEADDR, bond_dev); } +static struct slave *bond_get_old_active(struct bonding *bond, + struct slave *new_active) +{ + struct slave *slave; + struct list_head *iter; + + bond_for_each_slave(bond, slave, iter) { + if (slave == new_active) + continue; + + if (ether_addr_equal(bond->dev->dev_addr, slave->dev->dev_addr)) + return slave; + } + + return NULL; +} + /* bond_do_fail_over_mac * * Perform special MAC address swapping for fail_over_mac settings @@ -652,6 +669,9 @@ static void bond_do_fail_over_mac(struct bonding *bond, if (!new_active) return; + if (!old_active) + old_active = bond_get_old_active(bond, new_active); + if (old_active) { ether_addr_copy(tmp_mac, new_active->dev->dev_addr); ether_addr_copy(saddr.sa_data, @@ -766,6 +786,7 @@ static bool bond_should_notify_peers(struct bonding *bond) slave ? slave->dev->name : "NULL"); if (!slave || !bond->send_peer_notif || + !netif_carrier_ok(bond->dev) || test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state)) return false; @@ -1725,9 +1746,16 @@ err_free: err_undo_flags: /* Enslave of first slave has failed and we need to fix master's mac */ - if (!bond_has_slaves(bond) && - ether_addr_equal_64bits(bond_dev->dev_addr, slave_dev->dev_addr)) - eth_hw_addr_random(bond_dev); + if (!bond_has_slaves(bond)) { + if (ether_addr_equal_64bits(bond_dev->dev_addr, + slave_dev->dev_addr)) + eth_hw_addr_random(bond_dev); + if (bond_dev->type != ARPHRD_ETHER) { + ether_setup(bond_dev); + bond_dev->flags |= IFF_MASTER; + bond_dev->priv_flags &= ~IFF_TX_SKB_SHARING; + } + } return res; } @@ -1916,6 +1944,7 @@ static int bond_release_and_destroy(struct net_device *bond_dev, bond_dev->priv_flags |= IFF_DISABLE_NETPOLL; netdev_info(bond_dev, "Destroying bond %s\n", bond_dev->name); + bond_remove_proc_entry(bond); unregister_netdevice(bond_dev); } return ret; diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index f4e40aa4d2a2..945c0955a967 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -577,10 +577,10 @@ static void at91_rx_overflow_err(struct net_device *dev) cf->can_id |= CAN_ERR_CRTL; cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW; - netif_receive_skb(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_receive_skb(skb); } /** @@ -642,10 +642,10 @@ static void at91_read_msg(struct net_device *dev, unsigned int mb) } at91_read_mb(dev, mb, cf); - netif_receive_skb(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_receive_skb(skb); can_led_event(dev, CAN_LED_EVENT_RX); } @@ -802,10 +802,10 @@ static int at91_poll_err(struct net_device *dev, int quota, u32 reg_sr) return 0; at91_poll_err_frame(dev, cf, reg_sr); - netif_receive_skb(skb); dev->stats.rx_packets++; dev->stats.rx_bytes += cf->can_dlc; + netif_receive_skb(skb); return 1; } @@ -1067,10 +1067,10 @@ static void at91_irq_err(struct net_device *dev) return; at91_irq_err_state(dev, cf, new_state); - netif_rx(skb); dev->stats.rx_packets++; dev->stats.rx_bytes += cf->can_dlc; + netif_rx(skb); priv->can.state = new_state; } diff --git a/drivers/net/can/bfin_can.c b/drivers/net/can/bfin_can.c index 27ad312e7abf..57dadd52b428 100644 --- a/drivers/net/can/bfin_can.c +++ b/drivers/net/can/bfin_can.c @@ -424,10 +424,9 @@ static void bfin_can_rx(struct net_device *dev, u16 isrc) cf->data[6 - i] = (6 - i) < cf->can_dlc ? (val >> 8) : 0; } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } static int bfin_can_err(struct net_device *dev, u16 isrc, u16 status) @@ -508,10 +507,9 @@ static int bfin_can_err(struct net_device *dev, u16 isrc, u16 status) priv->can.state = state; - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/cc770/cc770.c b/drivers/net/can/cc770/cc770.c index c11d44984036..70a8cbb29e75 100644 --- a/drivers/net/can/cc770/cc770.c +++ b/drivers/net/can/cc770/cc770.c @@ -504,10 +504,10 @@ static void cc770_rx(struct net_device *dev, unsigned int mo, u8 ctrl1) for (i = 0; i < cf->can_dlc; i++) cf->data[i] = cc770_read_reg(priv, msgobj[mo].data[i]); } - netif_rx(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } static int cc770_err(struct net_device *dev, u8 status) @@ -584,10 +584,10 @@ static int cc770_err(struct net_device *dev, u8 status) } } - netif_rx(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 6201c5a1a884..b1e8d729851c 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -577,10 +577,10 @@ static int flexcan_poll_bus_err(struct net_device *dev, u32 reg_esr) return 0; do_bus_err(dev, cf, reg_esr); - netif_receive_skb(skb); dev->stats.rx_packets++; dev->stats.rx_bytes += cf->can_dlc; + netif_receive_skb(skb); return 1; } @@ -622,10 +622,9 @@ static int flexcan_poll_state(struct net_device *dev, u32 reg_esr) if (unlikely(new_state == CAN_STATE_BUS_OFF)) can_bus_off(dev); - netif_receive_skb(skb); - dev->stats.rx_packets++; dev->stats.rx_bytes += cf->can_dlc; + netif_receive_skb(skb); return 1; } @@ -670,10 +669,10 @@ static int flexcan_read_frame(struct net_device *dev) } flexcan_read_fifo(dev, cf); - netif_receive_skb(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_receive_skb(skb); can_led_event(dev, CAN_LED_EVENT_RX); diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c index e3d7e22a4fa0..db9538d4b358 100644 --- a/drivers/net/can/grcan.c +++ b/drivers/net/can/grcan.c @@ -1216,11 +1216,12 @@ static int grcan_receive(struct net_device *dev, int budget) cf->data[i] = (u8)(slot[j] >> shift); } } - netif_receive_skb(skb); /* Update statistics and read pointer */ stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_receive_skb(skb); + rd = grcan_ring_add(rd, GRCAN_MSG_SIZE, dma->rx.size); } diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index 32bd7f451aa4..7b92e911a616 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -377,10 +377,9 @@ static void sja1000_rx(struct net_device *dev) /* release receive buffer */ sja1000_write_cmdreg(priv, CMD_RRB); - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); can_led_event(dev, CAN_LED_EVENT_RX); } @@ -484,10 +483,9 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status) can_bus_off(dev); } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index a23a7af8eb9a..9a3f15cb7ef4 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -218,10 +218,10 @@ static void slc_bump(struct slcan *sl) memcpy(skb_put(skb, sizeof(struct can_frame)), &cf, sizeof(struct can_frame)); - netif_rx_ni(skb); sl->dev->stats.rx_packets++; sl->dev->stats.rx_bytes += cf.can_dlc; + netif_rx_ni(skb); } /* parse tty input stream */ diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index c1a95a34d62e..b7e83c212023 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -1086,8 +1086,8 @@ static int mcp251x_can_probe(struct spi_device *spi) if (ret) goto out_clk; - priv->power = devm_regulator_get(&spi->dev, "vdd"); - priv->transceiver = devm_regulator_get(&spi->dev, "xceiver"); + priv->power = devm_regulator_get_optional(&spi->dev, "vdd"); + priv->transceiver = devm_regulator_get_optional(&spi->dev, "xceiver"); if ((PTR_ERR(priv->power) == -EPROBE_DEFER) || (PTR_ERR(priv->transceiver) == -EPROBE_DEFER)) { ret = -EPROBE_DEFER; @@ -1222,17 +1222,16 @@ static int __maybe_unused mcp251x_can_resume(struct device *dev) struct spi_device *spi = to_spi_device(dev); struct mcp251x_priv *priv = spi_get_drvdata(spi); - if (priv->after_suspend & AFTER_SUSPEND_POWER) { + if (priv->after_suspend & AFTER_SUSPEND_POWER) mcp251x_power_enable(priv->power, 1); + + if (priv->after_suspend & AFTER_SUSPEND_UP) { + mcp251x_power_enable(priv->transceiver, 1); queue_work(priv->wq, &priv->restart_work); } else { - if (priv->after_suspend & AFTER_SUSPEND_UP) { - mcp251x_power_enable(priv->transceiver, 1); - queue_work(priv->wq, &priv->restart_work); - } else { - priv->after_suspend = 0; - } + priv->after_suspend = 0; } + priv->force_quit = 0; enable_irq(spi->irq); return 0; diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index e95a9e1a889f..cf345cbfe819 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -747,9 +747,9 @@ static int ti_hecc_error(struct net_device *ndev, int int_status, } } - netif_rx(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c index 866bac0ae7e9..2d390384ef3b 100644 --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -324,10 +324,9 @@ static void ems_usb_rx_can_msg(struct ems_usb *dev, struct ems_cpc_msg *msg) cf->data[i] = msg->msg.can_msg.msg[i]; } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg) @@ -400,10 +399,9 @@ static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg) stats->rx_errors++; } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } /* diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index 411c1af92c62..0e5a4493ba4f 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -301,13 +301,12 @@ static void esd_usb2_rx_event(struct esd_usb2_net_priv *priv, cf->data[7] = rxerr; } - netif_rx(skb); - priv->bec.txerr = txerr; priv->bec.rxerr = rxerr; stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } } @@ -347,10 +346,9 @@ static void esd_usb2_rx_can_msg(struct esd_usb2_net_priv *priv, cf->data[i] = msg->msg.rx.data[i]; } - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } return; diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c index 72427f21edff..838545ce468d 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb.c @@ -526,9 +526,9 @@ static int pcan_usb_decode_error(struct pcan_usb_msg_context *mc, u8 n, hwts->hwtstamp = timeval_to_ktime(tv); } - netif_rx(skb); mc->netdev->stats.rx_packets++; mc->netdev->stats.rx_bytes += cf->can_dlc; + netif_rx(skb); return 0; } @@ -659,12 +659,11 @@ static int pcan_usb_decode_data(struct pcan_usb_msg_context *mc, u8 status_len) hwts = skb_hwtstamps(skb); hwts->hwtstamp = timeval_to_ktime(tv); - /* push the skb */ - netif_rx(skb); - /* update statistics */ mc->netdev->stats.rx_packets++; mc->netdev->stats.rx_bytes += cf->can_dlc; + /* push the skb */ + netif_rx(skb); return 0; @@ -855,6 +854,18 @@ static int pcan_usb_probe(struct usb_interface *intf) /* * describe the PCAN-USB adapter */ +static const struct can_bittiming_const pcan_usb_const = { + .name = "pcan_usb", + .tseg1_min = 1, + .tseg1_max = 16, + .tseg2_min = 1, + .tseg2_max = 8, + .sjw_max = 4, + .brp_min = 1, + .brp_max = 64, + .brp_inc = 1, +}; + const struct peak_usb_adapter pcan_usb = { .name = "PCAN-USB", .device_id = PCAN_USB_PRODUCT_ID, @@ -863,17 +874,7 @@ const struct peak_usb_adapter pcan_usb = { .clock = { .freq = PCAN_USB_CRYSTAL_HZ / 2 , }, - .bittiming_const = { - .name = "pcan_usb", - .tseg1_min = 1, - .tseg1_max = 16, - .tseg2_min = 1, - .tseg2_max = 8, - .sjw_max = 4, - .brp_min = 1, - .brp_max = 64, - .brp_inc = 1, - }, + .bittiming_const = &pcan_usb_const, /* size of device private data */ .sizeof_dev_private = sizeof(struct pcan_usb), diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c index 7921cff93a63..5a2e341a6d1e 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c @@ -792,9 +792,9 @@ static int peak_usb_create_dev(const struct peak_usb_adapter *peak_usb_adapter, dev->ep_msg_out = peak_usb_adapter->ep_msg_out[ctrl_idx]; dev->can.clock = peak_usb_adapter->clock; - dev->can.bittiming_const = &peak_usb_adapter->bittiming_const; + dev->can.bittiming_const = peak_usb_adapter->bittiming_const; dev->can.do_set_bittiming = peak_usb_set_bittiming; - dev->can.data_bittiming_const = &peak_usb_adapter->data_bittiming_const; + dev->can.data_bittiming_const = peak_usb_adapter->data_bittiming_const; dev->can.do_set_data_bittiming = peak_usb_set_data_bittiming; dev->can.do_set_mode = peak_usb_set_mode; dev->can.do_get_berr_counter = peak_usb_adapter->do_get_berr_counter; diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.h b/drivers/net/can/usb/peak_usb/pcan_usb_core.h index 9e624f05ad4d..506fe506c9d3 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_core.h +++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.h @@ -48,8 +48,8 @@ struct peak_usb_adapter { u32 device_id; u32 ctrlmode_supported; struct can_clock clock; - const struct can_bittiming_const bittiming_const; - const struct can_bittiming_const data_bittiming_const; + const struct can_bittiming_const * const bittiming_const; + const struct can_bittiming_const * const data_bittiming_const; unsigned int ctrl_count; int (*intf_probe)(struct usb_interface *intf); diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c index 09d14e70abd7..ce44a033f63b 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c @@ -990,6 +990,30 @@ static void pcan_usb_fd_free(struct peak_usb_device *dev) } /* describes the PCAN-USB FD adapter */ +static const struct can_bittiming_const pcan_usb_fd_const = { + .name = "pcan_usb_fd", + .tseg1_min = 1, + .tseg1_max = 64, + .tseg2_min = 1, + .tseg2_max = 16, + .sjw_max = 16, + .brp_min = 1, + .brp_max = 1024, + .brp_inc = 1, +}; + +static const struct can_bittiming_const pcan_usb_fd_data_const = { + .name = "pcan_usb_fd", + .tseg1_min = 1, + .tseg1_max = 16, + .tseg2_min = 1, + .tseg2_max = 8, + .sjw_max = 4, + .brp_min = 1, + .brp_max = 1024, + .brp_inc = 1, +}; + const struct peak_usb_adapter pcan_usb_fd = { .name = "PCAN-USB FD", .device_id = PCAN_USBFD_PRODUCT_ID, @@ -999,28 +1023,8 @@ const struct peak_usb_adapter pcan_usb_fd = { .clock = { .freq = PCAN_UFD_CRYSTAL_HZ, }, - .bittiming_const = { - .name = "pcan_usb_fd", - .tseg1_min = 1, - .tseg1_max = 64, - .tseg2_min = 1, - .tseg2_max = 16, - .sjw_max = 16, - .brp_min = 1, - .brp_max = 1024, - .brp_inc = 1, - }, - .data_bittiming_const = { - .name = "pcan_usb_fd", - .tseg1_min = 1, - .tseg1_max = 16, - .tseg2_min = 1, - .tseg2_max = 8, - .sjw_max = 4, - .brp_min = 1, - .brp_max = 1024, - .brp_inc = 1, - }, + .bittiming_const = &pcan_usb_fd_const, + .data_bittiming_const = &pcan_usb_fd_data_const, /* size of device private data */ .sizeof_dev_private = sizeof(struct pcan_usb_fd_device), @@ -1058,6 +1062,30 @@ const struct peak_usb_adapter pcan_usb_fd = { }; /* describes the PCAN-USB Pro FD adapter */ +static const struct can_bittiming_const pcan_usb_pro_fd_const = { + .name = "pcan_usb_pro_fd", + .tseg1_min = 1, + .tseg1_max = 64, + .tseg2_min = 1, + .tseg2_max = 16, + .sjw_max = 16, + .brp_min = 1, + .brp_max = 1024, + .brp_inc = 1, +}; + +static const struct can_bittiming_const pcan_usb_pro_fd_data_const = { + .name = "pcan_usb_pro_fd", + .tseg1_min = 1, + .tseg1_max = 16, + .tseg2_min = 1, + .tseg2_max = 8, + .sjw_max = 4, + .brp_min = 1, + .brp_max = 1024, + .brp_inc = 1, +}; + const struct peak_usb_adapter pcan_usb_pro_fd = { .name = "PCAN-USB Pro FD", .device_id = PCAN_USBPROFD_PRODUCT_ID, @@ -1067,28 +1095,8 @@ const struct peak_usb_adapter pcan_usb_pro_fd = { .clock = { .freq = PCAN_UFD_CRYSTAL_HZ, }, - .bittiming_const = { - .name = "pcan_usb_pro_fd", - .tseg1_min = 1, - .tseg1_max = 64, - .tseg2_min = 1, - .tseg2_max = 16, - .sjw_max = 16, - .brp_min = 1, - .brp_max = 1024, - .brp_inc = 1, - }, - .data_bittiming_const = { - .name = "pcan_usb_pro_fd", - .tseg1_min = 1, - .tseg1_max = 16, - .tseg2_min = 1, - .tseg2_max = 8, - .sjw_max = 4, - .brp_min = 1, - .brp_max = 1024, - .brp_inc = 1, - }, + .bittiming_const = &pcan_usb_pro_fd_const, + .data_bittiming_const = &pcan_usb_pro_fd_data_const, /* size of device private data */ .sizeof_dev_private = sizeof(struct pcan_usb_fd_device), diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c index dec51717635e..bbdd6058cd2f 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c @@ -553,9 +553,9 @@ static int pcan_usb_pro_handle_canmsg(struct pcan_usb_pro_interface *usb_if, hwts = skb_hwtstamps(skb); hwts->hwtstamp = timeval_to_ktime(tv); - netif_rx(skb); netdev->stats.rx_packets++; netdev->stats.rx_bytes += can_frame->can_dlc; + netif_rx(skb); return 0; } @@ -670,9 +670,9 @@ static int pcan_usb_pro_handle_error(struct pcan_usb_pro_interface *usb_if, peak_usb_get_ts_tv(&usb_if->time_ref, le32_to_cpu(er->ts32), &tv); hwts = skb_hwtstamps(skb); hwts->hwtstamp = timeval_to_ktime(tv); - netif_rx(skb); netdev->stats.rx_packets++; netdev->stats.rx_bytes += can_frame->can_dlc; + netif_rx(skb); return 0; } @@ -1004,6 +1004,18 @@ int pcan_usb_pro_probe(struct usb_interface *intf) /* * describe the PCAN-USB Pro adapter */ +static const struct can_bittiming_const pcan_usb_pro_const = { + .name = "pcan_usb_pro", + .tseg1_min = 1, + .tseg1_max = 16, + .tseg2_min = 1, + .tseg2_max = 8, + .sjw_max = 4, + .brp_min = 1, + .brp_max = 1024, + .brp_inc = 1, +}; + const struct peak_usb_adapter pcan_usb_pro = { .name = "PCAN-USB Pro", .device_id = PCAN_USBPRO_PRODUCT_ID, @@ -1012,17 +1024,7 @@ const struct peak_usb_adapter pcan_usb_pro = { .clock = { .freq = PCAN_USBPRO_CRYSTAL_HZ, }, - .bittiming_const = { - .name = "pcan_usb_pro", - .tseg1_min = 1, - .tseg1_max = 16, - .tseg2_min = 1, - .tseg2_max = 8, - .sjw_max = 4, - .brp_min = 1, - .brp_max = 1024, - .brp_inc = 1, - }, + .bittiming_const = &pcan_usb_pro_const, /* size of device private data */ .sizeof_dev_private = sizeof(struct pcan_usb_pro_device), diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c index dd52c7a4c80d..de95b1ccba3e 100644 --- a/drivers/net/can/usb/usb_8dev.c +++ b/drivers/net/can/usb/usb_8dev.c @@ -461,10 +461,9 @@ static void usb_8dev_rx_err_msg(struct usb_8dev_priv *priv, priv->bec.txerr = txerr; priv->bec.rxerr = rxerr; - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); } /* Read data and status frames */ @@ -494,10 +493,9 @@ static void usb_8dev_rx_can_msg(struct usb_8dev_priv *priv, else memcpy(cf->data, msg->data, cf->can_dlc); - netif_rx(skb); - stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + netif_rx(skb); can_led_event(priv->netdev, CAN_LED_EVENT_RX); } else { diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 972982f8bea7..079897b3a955 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -696,9 +696,20 @@ static int bcm_sf2_sw_setup(struct dsa_switch *ds) } /* Include the pseudo-PHY address and the broadcast PHY address to - * divert reads towards our workaround + * divert reads towards our workaround. This is only required for + * 7445D0, since 7445E0 disconnects the internal switch pseudo-PHY such + * that we can use the regular SWITCH_MDIO master controller instead. + * + * By default, DSA initializes ds->phys_mii_mask to ds->phys_port_mask + * to have a 1:1 mapping between Port address and PHY address in order + * to utilize the slave_mii_bus instance to read from Port PHYs. This is + * not what we want here, so we initialize phys_mii_mask 0 to always + * utilize the "master" MDIO bus backed by the "mdio-unimac" driver. */ - ds->phys_mii_mask |= ((1 << BRCM_PSEUDO_PHY_ADDR) | (1 << 0)); + if (of_machine_is_compatible("brcm,bcm7445d0")) + ds->phys_mii_mask |= ((1 << BRCM_PSEUDO_PHY_ADDR) | (1 << 0)); + else + ds->phys_mii_mask = 0; rev = reg_readl(priv, REG_SWITCH_REVISION); priv->hw_params.top_rev = (rev >> SWITCH_TOP_REV_SHIFT) & diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index fd8547c2b79d..561342466076 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -1163,7 +1163,7 @@ int mv88e6xxx_leave_bridge(struct dsa_switch *ds, int port, u32 br_port_mask) newfid = __ffs(ps->fid_mask); ps->fid[port] = newfid; - ps->fid_mask &= (1 << newfid); + ps->fid_mask &= ~(1 << newfid); ps->bridge_mask[fid] &= ~(1 << port); ps->bridge_mask[newfid] = 1 << port; diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c index 2d1ce3c5d0dd..753887d02b46 100644 --- a/drivers/net/ethernet/3com/3c59x.c +++ b/drivers/net/ethernet/3com/3c59x.c @@ -1763,16 +1763,9 @@ vortex_open(struct net_device *dev) vp->rx_ring[i].addr = cpu_to_le32(pci_map_single(VORTEX_PCI(vp), skb->data, PKT_BUF_SZ, PCI_DMA_FROMDEVICE)); } if (i != RX_RING_SIZE) { - int j; pr_emerg("%s: no memory for rx ring\n", dev->name); - for (j = 0; j < i; j++) { - if (vp->rx_skbuff[j]) { - dev_kfree_skb(vp->rx_skbuff[j]); - vp->rx_skbuff[j] = NULL; - } - } retval = -ENOMEM; - goto err_free_irq; + goto err_free_skb; } /* Wrap the ring. */ vp->rx_ring[i-1].next = cpu_to_le32(vp->rx_ring_dma); @@ -1782,7 +1775,13 @@ vortex_open(struct net_device *dev) if (!retval) goto out; -err_free_irq: +err_free_skb: + for (i = 0; i < RX_RING_SIZE; i++) { + if (vp->rx_skbuff[i]) { + dev_kfree_skb(vp->rx_skbuff[i]); + vp->rx_skbuff[i] = NULL; + } + } free_irq(dev->irq, dev); err: if (vortex_debug > 1) diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index c51014b0464f..b52e0f63f9a3 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -65,7 +65,7 @@ obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/ obj-$(CONFIG_NET_VENDOR_QLOGIC) += qlogic/ obj-$(CONFIG_NET_VENDOR_QUALCOMM) += qualcomm/ obj-$(CONFIG_NET_VENDOR_REALTEK) += realtek/ -obj-$(CONFIG_SH_ETH) += renesas/ +obj-$(CONFIG_NET_VENDOR_RENESAS) += renesas/ obj-$(CONFIG_NET_VENDOR_RDC) += rdc/ obj-$(CONFIG_NET_VENDOR_ROCKER) += rocker/ obj-$(CONFIG_NET_VENDOR_SAMSUNG) += samsung/ diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c index a626c4315a89..cfa37041ab71 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c @@ -801,6 +801,9 @@ int xgene_enet_mdio_config(struct xgene_enet_pdata *pdata) void xgene_enet_mdio_remove(struct xgene_enet_pdata *pdata) { + if (pdata->phy_dev) + phy_disconnect(pdata->phy_dev); + mdiobus_unregister(pdata->mdio_bus); mdiobus_free(pdata->mdio_bus); pdata->mdio_bus = NULL; diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index 299eb4315fe6..a02ea7f8fdae 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -1277,9 +1277,10 @@ static int xgene_enet_remove(struct platform_device *pdev) mac_ops->tx_disable(pdata); xgene_enet_napi_del(pdata); - xgene_enet_mdio_remove(pdata); - xgene_enet_delete_desc_rings(pdata); + if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) + xgene_enet_mdio_remove(pdata); unregister_netdev(ndev); + xgene_enet_delete_desc_rings(pdata); pdata->port_ops->shutdown(pdata); free_netdev(ndev); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index a90d7364334f..f7fbdc9d1325 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -262,9 +262,9 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata, if (likely(skb)) { (*pkts_compl)++; (*bytes_compl) += skb->len; + dev_kfree_skb_any(skb); } - dev_kfree_skb_any(skb); tx_buf->first_bd = 0; tx_buf->skb = NULL; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index 76b9052a961c..5907c821d131 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -1718,6 +1718,22 @@ static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf, offset += sizeof(u32); data_buf += sizeof(u32); written_so_far += sizeof(u32); + + /* At end of each 4Kb page, release nvram lock to allow MFW + * chance to take it for its own use. + */ + if ((cmd_flags & MCPR_NVM_COMMAND_LAST) && + (written_so_far < buf_size)) { + DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, + "Releasing NVM lock after offset 0x%x\n", + (u32)(offset - sizeof(u32))); + bnx2x_release_nvram_lock(bp); + usleep_range(1000, 2000); + rc = bnx2x_acquire_nvram_lock(bp); + if (rc) + return rc; + } + cmd_flags = 0; } diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 64c1e9db6b0b..09ff09f828d0 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -2126,6 +2126,8 @@ static int bcmgenet_dma_teardown(struct bcmgenet_priv *priv) int ret = 0; int timeout = 0; u32 reg; + u32 dma_ctrl; + int i; /* Disable TDMA to stop add more frames in TX DMA */ reg = bcmgenet_tdma_readl(priv, DMA_CTRL); @@ -2169,6 +2171,20 @@ static int bcmgenet_dma_teardown(struct bcmgenet_priv *priv) ret = -ETIMEDOUT; } + dma_ctrl = 0; + for (i = 0; i < priv->hw_params->rx_queues; i++) + dma_ctrl |= (1 << (i + DMA_RING_BUF_EN_SHIFT)); + reg = bcmgenet_rdma_readl(priv, DMA_CTRL); + reg &= ~dma_ctrl; + bcmgenet_rdma_writel(priv, reg, DMA_CTRL); + + dma_ctrl = 0; + for (i = 0; i < priv->hw_params->tx_queues; i++) + dma_ctrl |= (1 << (i + DMA_RING_BUF_EN_SHIFT)); + reg = bcmgenet_tdma_readl(priv, DMA_CTRL); + reg &= ~dma_ctrl; + bcmgenet_tdma_writel(priv, reg, DMA_CTRL); + return ret; } @@ -2820,8 +2836,6 @@ static void bcmgenet_timeout(struct net_device *dev) netif_dbg(priv, tx_err, dev, "bcmgenet_timeout\n"); - bcmgenet_disable_tx_napi(priv); - for (q = 0; q < priv->hw_params->tx_queues; q++) bcmgenet_dump_tx_queue(&priv->tx_rings[q]); bcmgenet_dump_tx_queue(&priv->tx_rings[DESC_INDEX]); @@ -2837,8 +2851,6 @@ static void bcmgenet_timeout(struct net_device *dev) bcmgenet_intrl2_0_writel(priv, int0_enable, INTRL2_CPU_MASK_CLEAR); bcmgenet_intrl2_1_writel(priv, int1_enable, INTRL2_CPU_MASK_CLEAR); - bcmgenet_enable_tx_napi(priv); - dev->trans_start = jiffies; dev->stats.tx_errors++; diff --git a/drivers/net/ethernet/broadcom/sb1250-mac.c b/drivers/net/ethernet/broadcom/sb1250-mac.c index ac27e24264a5..f557a2aaec23 100644 --- a/drivers/net/ethernet/broadcom/sb1250-mac.c +++ b/drivers/net/ethernet/broadcom/sb1250-mac.c @@ -1508,16 +1508,7 @@ static void sbmac_channel_start(struct sbmac_softc *s) __raw_writeq(reg, port); port = s->sbm_base + R_MAC_ETHERNET_ADDR; -#ifdef CONFIG_SB1_PASS_1_WORKAROUNDS - /* - * Pass1 SOCs do not receive packets addressed to the - * destination address in the R_MAC_ETHERNET_ADDR register. - * Set the value to zero. - */ - __raw_writeq(0, port); -#else __raw_writeq(reg, port); -#endif /* * Set the receive filter for no packets, and write values diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index 0612b19f6313..506047c38607 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -676,6 +676,7 @@ bnad_cq_process(struct bnad *bnad, struct bna_ccb *ccb, int budget) if (!next_cmpl->valid) break; } + packets++; /* TODO: BNA_CQ_EF_LOCAL ? */ if (unlikely(flags & (BNA_CQ_EF_MAC_ERROR | @@ -692,7 +693,6 @@ bnad_cq_process(struct bnad *bnad, struct bna_ccb *ccb, int budget) else bnad_cq_setup_skb_frags(rcb, skb, sop_ci, nvecs, len); - packets++; rcb->rxq->rx_packets++; rcb->rxq->rx_bytes += totlen; ccb->bytes_per_intr += totlen; diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index caeb39561567..bf9eb2ecf960 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -104,6 +104,57 @@ static void *macb_rx_buffer(struct macb *bp, unsigned int index) return bp->rx_buffers + bp->rx_buffer_size * macb_rx_ring_wrap(index); } +/* I/O accessors */ +static u32 hw_readl_native(struct macb *bp, int offset) +{ + return __raw_readl(bp->regs + offset); +} + +static void hw_writel_native(struct macb *bp, int offset, u32 value) +{ + __raw_writel(value, bp->regs + offset); +} + +static u32 hw_readl(struct macb *bp, int offset) +{ + return readl_relaxed(bp->regs + offset); +} + +static void hw_writel(struct macb *bp, int offset, u32 value) +{ + writel_relaxed(value, bp->regs + offset); +} + +/* + * Find the CPU endianness by using the loopback bit of NCR register. When the + * CPU is in big endian we need to program swaped mode for management + * descriptor access. + */ +static bool hw_is_native_io(void __iomem *addr) +{ + u32 value = MACB_BIT(LLB); + + __raw_writel(value, addr + MACB_NCR); + value = __raw_readl(addr + MACB_NCR); + + /* Write 0 back to disable everything */ + __raw_writel(0, addr + MACB_NCR); + + return value == MACB_BIT(LLB); +} + +static bool hw_is_gem(void __iomem *addr, bool native_io) +{ + u32 id; + + if (native_io) + id = __raw_readl(addr + MACB_MID); + else + id = readl_relaxed(addr + MACB_MID); + + return MACB_BFEXT(IDNUM, id) >= 0x2; +} + static void macb_set_hwaddr(struct macb *bp) { u32 bottom; @@ -160,7 +211,7 @@ static void macb_get_hwaddr(struct macb *bp) } } - netdev_info(bp->dev, "invalid hw address, using random\n"); + dev_info(&bp->pdev->dev, "invalid hw address, using random\n"); eth_hw_addr_random(bp->dev); } @@ -252,7 +303,6 @@ static void macb_handle_link_change(struct net_device *dev) struct macb *bp = netdev_priv(dev); struct phy_device *phydev = bp->phy_dev; unsigned long flags; - int status_change = 0; spin_lock_irqsave(&bp->lock, flags); @@ -449,14 +499,14 @@ err_out: static void macb_update_stats(struct macb *bp) { - u32 __iomem *reg = bp->regs + MACB_PFR; u32 *p = &bp->hw_stats.macb.rx_pause_frames; u32 *end = &bp->hw_stats.macb.tx_pause_frames + 1; + int offset = MACB_PFR; WARN_ON((unsigned long)(end - p - 1) != (MACB_TPF - MACB_PFR) / 4); - for(; p < end; p++, reg++) - *p += readl_relaxed(reg); + for(; p < end; p++, offset += 4) + *p += bp->macb_reg_readl(bp, offset); } static int macb_halt_tx(struct macb *bp) @@ -1107,12 +1157,6 @@ static void macb_poll_controller(struct net_device *dev) } #endif -static inline unsigned int macb_count_tx_descriptors(struct macb *bp, - unsigned int len) -{ - return (len + bp->max_tx_length - 1) / bp->max_tx_length; -} - static unsigned int macb_tx_map(struct macb *bp, struct macb_queue *queue, struct sk_buff *skb) @@ -1263,11 +1307,11 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev) * socket buffer: skb fragments of jumbo frames may need to be * splitted into many buffer descriptors. */ - count = macb_count_tx_descriptors(bp, skb_headlen(skb)); + count = DIV_ROUND_UP(skb_headlen(skb), bp->max_tx_length); nr_frags = skb_shinfo(skb)->nr_frags; for (f = 0; f < nr_frags; f++) { frag_size = skb_frag_size(&skb_shinfo(skb)->frags[f]); - count += macb_count_tx_descriptors(bp, frag_size); + count += DIV_ROUND_UP(frag_size, bp->max_tx_length); } spin_lock_irqsave(&bp->lock, flags); @@ -1603,7 +1647,6 @@ static u32 macb_dbw(struct macb *bp) static void macb_configure_dma(struct macb *bp) { u32 dmacfg; - u32 tmp, ncr; if (macb_is_gem(bp)) { dmacfg = gem_readl(bp, DMACFG) & ~GEM_BF(RXBS, -1L); @@ -1613,22 +1656,11 @@ static void macb_configure_dma(struct macb *bp) dmacfg |= GEM_BIT(TXPBMS) | GEM_BF(RXBMS, -1L); dmacfg &= ~GEM_BIT(ENDIA_PKT); - /* Find the CPU endianness by using the loopback bit of net_ctrl - * register. save it first. When the CPU is in big endian we - * need to program swaped mode for management descriptor access. - */ - ncr = macb_readl(bp, NCR); - __raw_writel(MACB_BIT(LLB), bp->regs + MACB_NCR); - tmp = __raw_readl(bp->regs + MACB_NCR); - - if (tmp == MACB_BIT(LLB)) + if (bp->native_io) dmacfg &= ~GEM_BIT(ENDIA_DESC); else dmacfg |= GEM_BIT(ENDIA_DESC); /* CPU in big endian */ - /* Restore net_ctrl */ - macb_writel(bp, NCR, ncr); - if (bp->dev->features & NETIF_F_HW_CSUM) dmacfg |= GEM_BIT(TXCOEN); else @@ -1897,19 +1929,19 @@ static int macb_change_mtu(struct net_device *dev, int new_mtu) static void gem_update_stats(struct macb *bp) { - int i; + unsigned int i; u32 *p = &bp->hw_stats.gem.tx_octets_31_0; for (i = 0; i < GEM_STATS_LEN; ++i, ++p) { u32 offset = gem_statistics[i].offset; - u64 val = readl_relaxed(bp->regs + offset); + u64 val = bp->macb_reg_readl(bp, offset); bp->ethtool_stats[i] += val; *p += val; if (offset == GEM_OCTTXL || offset == GEM_OCTRXL) { /* Add GEM_OCTTXH, GEM_OCTRXH */ - val = readl_relaxed(bp->regs + offset + 4); + val = bp->macb_reg_readl(bp, offset + 4); bp->ethtool_stats[i] += ((u64)val) << 32; *(++p) += val; } @@ -1976,7 +2008,7 @@ static int gem_get_sset_count(struct net_device *dev, int sset) static void gem_get_ethtool_strings(struct net_device *dev, u32 sset, u8 *p) { - int i; + unsigned int i; switch (sset) { case ETH_SS_STATS: @@ -2190,7 +2222,7 @@ static void macb_configure_caps(struct macb *bp, const struct macb_config *dt_co if (dt_conf) bp->caps = dt_conf->caps; - if (macb_is_gem_hw(bp->regs)) { + if (hw_is_gem(bp->regs, bp->native_io)) { bp->caps |= MACB_CAPS_MACB_IS_GEM; dcfg = gem_readl(bp, DCFG1); @@ -2201,10 +2233,11 @@ static void macb_configure_caps(struct macb *bp, const struct macb_config *dt_co bp->caps |= MACB_CAPS_FIFO_MODE; } - netdev_dbg(bp->dev, "Cadence caps 0x%08x\n", bp->caps); + dev_dbg(&bp->pdev->dev, "Cadence caps 0x%08x\n", bp->caps); } static void macb_probe_queues(void __iomem *mem, + bool native_io, unsigned int *queue_mask, unsigned int *num_queues) { @@ -2219,7 +2252,7 @@ static void macb_probe_queues(void __iomem *mem, * we are early in the probe process and don't have the * MACB_CAPS_MACB_IS_GEM flag positioned */ - if (!macb_is_gem_hw(mem)) + if (!hw_is_gem(mem, native_io)) return; /* bit 0 is never set but queue 0 always exists */ @@ -2786,6 +2819,7 @@ static int macb_probe(struct platform_device *pdev) struct clk *pclk, *hclk, *tx_clk; unsigned int queue_mask, num_queues; struct macb_platform_data *pdata; + bool native_io; struct phy_device *phydev; struct net_device *dev; struct resource *regs; @@ -2794,6 +2828,11 @@ static int macb_probe(struct platform_device *pdev) struct macb *bp; int err; + regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); + mem = devm_ioremap_resource(&pdev->dev, regs); + if (IS_ERR(mem)) + return PTR_ERR(mem); + if (np) { const struct of_device_id *match; @@ -2809,14 +2848,9 @@ static int macb_probe(struct platform_device *pdev) if (err) return err; - regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mem = devm_ioremap_resource(&pdev->dev, regs); - if (IS_ERR(mem)) { - err = PTR_ERR(mem); - goto err_disable_clocks; - } + native_io = hw_is_native_io(mem); - macb_probe_queues(mem, &queue_mask, &num_queues); + macb_probe_queues(mem, native_io, &queue_mask, &num_queues); dev = alloc_etherdev_mq(sizeof(*bp), num_queues); if (!dev) { err = -ENOMEM; @@ -2831,6 +2865,14 @@ static int macb_probe(struct platform_device *pdev) bp->pdev = pdev; bp->dev = dev; bp->regs = mem; + bp->native_io = native_io; + if (native_io) { + bp->macb_reg_readl = hw_readl_native; + bp->macb_reg_writel = hw_writel_native; + } else { + bp->macb_reg_readl = hw_readl; + bp->macb_reg_writel = hw_writel; + } bp->num_queues = num_queues; bp->queue_mask = queue_mask; if (macb_config) @@ -2838,9 +2880,8 @@ static int macb_probe(struct platform_device *pdev) bp->pclk = pclk; bp->hclk = hclk; bp->tx_clk = tx_clk; - if (macb_config->jumbo_max_len) { + if (macb_config) bp->jumbo_max_len = macb_config->jumbo_max_len; - } spin_lock_init(&bp->lock); diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index d74655993d4b..1895b6b2addd 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -429,18 +429,12 @@ | GEM_BF(name, value)) /* Register access macros */ -#define macb_readl(port,reg) \ - readl_relaxed((port)->regs + MACB_##reg) -#define macb_writel(port,reg,value) \ - writel_relaxed((value), (port)->regs + MACB_##reg) -#define gem_readl(port, reg) \ - readl_relaxed((port)->regs + GEM_##reg) -#define gem_writel(port, reg, value) \ - writel_relaxed((value), (port)->regs + GEM_##reg) -#define queue_readl(queue, reg) \ - readl_relaxed((queue)->bp->regs + (queue)->reg) -#define queue_writel(queue, reg, value) \ - writel_relaxed((value), (queue)->bp->regs + (queue)->reg) +#define macb_readl(port, reg) (port)->macb_reg_readl((port), MACB_##reg) +#define macb_writel(port, reg, value) (port)->macb_reg_writel((port), MACB_##reg, (value)) +#define gem_readl(port, reg) (port)->macb_reg_readl((port), GEM_##reg) +#define gem_writel(port, reg, value) (port)->macb_reg_writel((port), GEM_##reg, (value)) +#define queue_readl(queue, reg) (queue)->bp->macb_reg_readl((queue)->bp, (queue)->reg) +#define queue_writel(queue, reg, value) (queue)->bp->macb_reg_writel((queue)->bp, (queue)->reg, (value)) /* Conditional GEM/MACB macros. These perform the operation to the correct * register dependent on whether the device is a GEM or a MACB. For registers @@ -785,6 +779,11 @@ struct macb_queue { struct macb { void __iomem *regs; + bool native_io; + + /* hardware IO accessors */ + u32 (*macb_reg_readl)(struct macb *bp, int offset); + void (*macb_reg_writel)(struct macb *bp, int offset, u32 value); unsigned int rx_tail; unsigned int rx_prepared_head; @@ -817,9 +816,9 @@ struct macb { struct mii_bus *mii_bus; struct phy_device *phy_dev; - unsigned int link; - unsigned int speed; - unsigned int duplex; + int link; + int speed; + int duplex; u32 caps; unsigned int dma_burst_length; @@ -843,9 +842,4 @@ static inline bool macb_is_gem(struct macb *bp) return !!(bp->caps & MACB_CAPS_MACB_IS_GEM); } -static inline bool macb_is_gem_hw(void __iomem *addr) -{ - return !!(MACB_BFEXT(IDNUM, readl_relaxed(addr + MACB_MID)) >= 0x2); -} - #endif /* _MACB_H */ diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig index c4d6bbe9458d..02e23e6f1424 100644 --- a/drivers/net/ethernet/cavium/Kconfig +++ b/drivers/net/ethernet/cavium/Kconfig @@ -16,7 +16,6 @@ if NET_VENDOR_CAVIUM config THUNDER_NIC_PF tristate "Thunder Physical function driver" depends on 64BIT - default ARCH_THUNDER select THUNDER_NIC_BGX ---help--- This driver supports Thunder's NIC physical function. @@ -29,14 +28,12 @@ config THUNDER_NIC_PF config THUNDER_NIC_VF tristate "Thunder Virtual function driver" depends on 64BIT - default ARCH_THUNDER ---help--- This driver supports Thunder's NIC virtual function config THUNDER_NIC_BGX tristate "Thunder MAC interface driver (BGX)" depends on 64BIT - default ARCH_THUNDER ---help--- This driver supports programming and controlling of MAC interface from NIC physical function driver. diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h index dda8a02b7322..8aee250904ec 100644 --- a/drivers/net/ethernet/cavium/thunder/nic.h +++ b/drivers/net/ethernet/cavium/thunder/nic.h @@ -125,6 +125,15 @@ */ #define NICPF_CLK_PER_INT_TICK 2 +/* Time to wait before we decide that a SQ is stuck. + * + * Since both pkt rx and tx notifications are done with same CQ, + * when packets are being received at very high rate (eg: L2 forwarding) + * then freeing transmitted skbs will be delayed and watchdog + * will kick in, resetting interface. Hence keeping this value high. + */ +#define NICVF_TX_TIMEOUT (50 * HZ) + struct nicvf_cq_poll { u8 cq_idx; /* Completion queue index */ struct napi_struct napi; @@ -216,8 +225,9 @@ struct nicvf_drv_stats { /* Tx */ u64 tx_frames_ok; u64 tx_drops; - u64 tx_busy; u64 tx_tso; + u64 txq_stop; + u64 txq_wake; }; struct nicvf { diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c index 16bd2d772db9..a4228e664567 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c @@ -66,9 +66,10 @@ static const struct nicvf_stat nicvf_drv_stats[] = { NICVF_DRV_STAT(rx_frames_jumbo), NICVF_DRV_STAT(rx_drops), NICVF_DRV_STAT(tx_frames_ok), - NICVF_DRV_STAT(tx_busy), NICVF_DRV_STAT(tx_tso), NICVF_DRV_STAT(tx_drops), + NICVF_DRV_STAT(txq_stop), + NICVF_DRV_STAT(txq_wake), }; static const struct nicvf_stat nicvf_queue_stats[] = { @@ -126,6 +127,7 @@ static void nicvf_set_msglevel(struct net_device *netdev, u32 lvl) static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data) { + struct nicvf *nic = netdev_priv(netdev); int stats, qidx; if (sset != ETH_SS_STATS) @@ -141,7 +143,7 @@ static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data) data += ETH_GSTRING_LEN; } - for (qidx = 0; qidx < MAX_RCV_QUEUES_PER_QS; qidx++) { + for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) { for (stats = 0; stats < nicvf_n_queue_stats; stats++) { sprintf(data, "rxq%d: %s", qidx, nicvf_queue_stats[stats].name); @@ -149,7 +151,7 @@ static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data) } } - for (qidx = 0; qidx < MAX_SND_QUEUES_PER_QS; qidx++) { + for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) { for (stats = 0; stats < nicvf_n_queue_stats; stats++) { sprintf(data, "txq%d: %s", qidx, nicvf_queue_stats[stats].name); @@ -170,12 +172,14 @@ static void nicvf_get_strings(struct net_device *netdev, u32 sset, u8 *data) static int nicvf_get_sset_count(struct net_device *netdev, int sset) { + struct nicvf *nic = netdev_priv(netdev); + if (sset != ETH_SS_STATS) return -EINVAL; return nicvf_n_hw_stats + nicvf_n_drv_stats + (nicvf_n_queue_stats * - (MAX_RCV_QUEUES_PER_QS + MAX_SND_QUEUES_PER_QS)) + + (nic->qs->rq_cnt + nic->qs->sq_cnt)) + BGX_RX_STATS_COUNT + BGX_TX_STATS_COUNT; } @@ -197,13 +201,13 @@ static void nicvf_get_ethtool_stats(struct net_device *netdev, *(data++) = ((u64 *)&nic->drv_stats) [nicvf_drv_stats[stat].index]; - for (qidx = 0; qidx < MAX_RCV_QUEUES_PER_QS; qidx++) { + for (qidx = 0; qidx < nic->qs->rq_cnt; qidx++) { for (stat = 0; stat < nicvf_n_queue_stats; stat++) *(data++) = ((u64 *)&nic->qs->rq[qidx].stats) [nicvf_queue_stats[stat].index]; } - for (qidx = 0; qidx < MAX_SND_QUEUES_PER_QS; qidx++) { + for (qidx = 0; qidx < nic->qs->sq_cnt; qidx++) { for (stat = 0; stat < nicvf_n_queue_stats; stat++) *(data++) = ((u64 *)&nic->qs->sq[qidx].stats) [nicvf_queue_stats[stat].index]; @@ -543,6 +547,7 @@ static int nicvf_set_channels(struct net_device *dev, { struct nicvf *nic = netdev_priv(dev); int err = 0; + bool if_up = netif_running(dev); if (!channel->rx_count || !channel->tx_count) return -EINVAL; @@ -551,6 +556,9 @@ static int nicvf_set_channels(struct net_device *dev, if (channel->tx_count > MAX_SND_QUEUES_PER_QS) return -EINVAL; + if (if_up) + nicvf_stop(dev); + nic->qs->rq_cnt = channel->rx_count; nic->qs->sq_cnt = channel->tx_count; nic->qs->cq_cnt = max(nic->qs->rq_cnt, nic->qs->sq_cnt); @@ -559,11 +567,9 @@ static int nicvf_set_channels(struct net_device *dev, if (err) return err; - if (!netif_running(dev)) - return err; + if (if_up) + nicvf_open(dev); - nicvf_stop(dev); - nicvf_open(dev); netdev_info(dev, "Setting num Tx rings to %d, Rx rings to %d success\n", nic->qs->sq_cnt, nic->qs->rq_cnt); diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index 8b119a035b7e..3b90afb8c293 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -234,7 +234,7 @@ static void nicvf_handle_mbx_intr(struct nicvf *nic) nic->duplex == DUPLEX_FULL ? "Full duplex" : "Half duplex"); netif_carrier_on(nic->netdev); - netif_tx_wake_all_queues(nic->netdev); + netif_tx_start_all_queues(nic->netdev); } else { netdev_info(nic->netdev, "%s: Link is Down\n", nic->netdev->name); @@ -425,6 +425,7 @@ static void nicvf_snd_pkt_handler(struct net_device *netdev, if (skb) { prefetch(skb); dev_consume_skb_any(skb); + sq->skbuff[cqe_tx->sqe_ptr] = (u64)NULL; } } @@ -476,12 +477,13 @@ static void nicvf_rcv_pkt_handler(struct net_device *netdev, static int nicvf_cq_intr_handler(struct net_device *netdev, u8 cq_idx, struct napi_struct *napi, int budget) { - int processed_cqe, work_done = 0; + int processed_cqe, work_done = 0, tx_done = 0; int cqe_count, cqe_head; struct nicvf *nic = netdev_priv(netdev); struct queue_set *qs = nic->qs; struct cmp_queue *cq = &qs->cq[cq_idx]; struct cqe_rx_t *cq_desc; + struct netdev_queue *txq; spin_lock_bh(&cq->lock); loop: @@ -496,8 +498,8 @@ loop: cqe_head = nicvf_queue_reg_read(nic, NIC_QSET_CQ_0_7_HEAD, cq_idx) >> 9; cqe_head &= 0xFFFF; - netdev_dbg(nic->netdev, "%s cqe_count %d cqe_head %d\n", - __func__, cqe_count, cqe_head); + netdev_dbg(nic->netdev, "%s CQ%d cqe_count %d cqe_head %d\n", + __func__, cq_idx, cqe_count, cqe_head); while (processed_cqe < cqe_count) { /* Get the CQ descriptor */ cq_desc = (struct cqe_rx_t *)GET_CQ_DESC(cq, cqe_head); @@ -511,8 +513,8 @@ loop: break; } - netdev_dbg(nic->netdev, "cq_desc->cqe_type %d\n", - cq_desc->cqe_type); + netdev_dbg(nic->netdev, "CQ%d cq_desc->cqe_type %d\n", + cq_idx, cq_desc->cqe_type); switch (cq_desc->cqe_type) { case CQE_TYPE_RX: nicvf_rcv_pkt_handler(netdev, napi, cq, @@ -522,6 +524,7 @@ loop: case CQE_TYPE_SEND: nicvf_snd_pkt_handler(netdev, cq, (void *)cq_desc, CQE_TYPE_SEND); + tx_done++; break; case CQE_TYPE_INVALID: case CQE_TYPE_RX_SPLIT: @@ -532,8 +535,9 @@ loop: } processed_cqe++; } - netdev_dbg(nic->netdev, "%s processed_cqe %d work_done %d budget %d\n", - __func__, processed_cqe, work_done, budget); + netdev_dbg(nic->netdev, + "%s CQ%d processed_cqe %d work_done %d budget %d\n", + __func__, cq_idx, processed_cqe, work_done, budget); /* Ring doorbell to inform H/W to reuse processed CQEs */ nicvf_queue_reg_write(nic, NIC_QSET_CQ_0_7_DOOR, @@ -543,6 +547,19 @@ loop: goto loop; done: + /* Wakeup TXQ if its stopped earlier due to SQ full */ + if (tx_done) { + txq = netdev_get_tx_queue(netdev, cq_idx); + if (netif_tx_queue_stopped(txq)) { + netif_tx_start_queue(txq); + nic->drv_stats.txq_wake++; + if (netif_msg_tx_err(nic)) + netdev_warn(netdev, + "%s: Transmit queue wakeup SQ%d\n", + netdev->name, cq_idx); + } + } + spin_unlock_bh(&cq->lock); return work_done; } @@ -554,15 +571,10 @@ static int nicvf_poll(struct napi_struct *napi, int budget) struct net_device *netdev = napi->dev; struct nicvf *nic = netdev_priv(netdev); struct nicvf_cq_poll *cq; - struct netdev_queue *txq; cq = container_of(napi, struct nicvf_cq_poll, napi); work_done = nicvf_cq_intr_handler(netdev, cq->cq_idx, napi, budget); - txq = netdev_get_tx_queue(netdev, cq->cq_idx); - if (netif_tx_queue_stopped(txq)) - netif_tx_wake_queue(txq); - if (work_done < budget) { /* Slow packet rate, exit polling */ napi_complete(napi); @@ -833,9 +845,9 @@ static netdev_tx_t nicvf_xmit(struct sk_buff *skb, struct net_device *netdev) return NETDEV_TX_OK; } - if (!nicvf_sq_append_skb(nic, skb) && !netif_tx_queue_stopped(txq)) { + if (!netif_tx_queue_stopped(txq) && !nicvf_sq_append_skb(nic, skb)) { netif_tx_stop_queue(txq); - nic->drv_stats.tx_busy++; + nic->drv_stats.txq_stop++; if (netif_msg_tx_err(nic)) netdev_warn(netdev, "%s: Transmit ring full, stopping SQ%d\n", @@ -859,7 +871,6 @@ int nicvf_stop(struct net_device *netdev) nicvf_send_msg_to_pf(nic, &mbx); netif_carrier_off(netdev); - netif_tx_disable(netdev); /* Disable RBDR & QS error interrupts */ for (qidx = 0; qidx < qs->rbdr_cnt; qidx++) { @@ -894,6 +905,8 @@ int nicvf_stop(struct net_device *netdev) kfree(cq_poll); } + netif_tx_disable(netdev); + /* Free resources */ nicvf_config_data_transfer(nic, false); @@ -988,6 +1001,9 @@ int nicvf_open(struct net_device *netdev) for (qidx = 0; qidx < qs->rbdr_cnt; qidx++) nicvf_enable_intr(nic, NICVF_INTR_RBDR, qidx); + nic->drv_stats.txq_stop = 0; + nic->drv_stats.txq_wake = 0; + netif_carrier_on(netdev); netif_tx_start_all_queues(netdev); @@ -1278,6 +1294,7 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->hw_features = netdev->features; netdev->netdev_ops = &nicvf_netdev_ops; + netdev->watchdog_timeo = NICVF_TX_TIMEOUT; INIT_WORK(&nic->reset_task, nicvf_reset_task); @@ -1318,11 +1335,17 @@ static void nicvf_remove(struct pci_dev *pdev) pci_disable_device(pdev); } +static void nicvf_shutdown(struct pci_dev *pdev) +{ + nicvf_remove(pdev); +} + static struct pci_driver nicvf_driver = { .name = DRV_NAME, .id_table = nicvf_id_table, .probe = nicvf_probe, .remove = nicvf_remove, + .shutdown = nicvf_shutdown, }; static int __init nicvf_init_module(void) diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index d69d228d11a0..ca4240aa6d15 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -103,9 +103,11 @@ static inline int nicvf_alloc_rcv_buffer(struct nicvf *nic, gfp_t gfp, /* Allocate a new page */ if (!nic->rb_page) { - nic->rb_page = alloc_pages(gfp | __GFP_COMP, order); + nic->rb_page = alloc_pages(gfp | __GFP_COMP | __GFP_NOWARN, + order); if (!nic->rb_page) { - netdev_err(nic->netdev, "Failed to allocate new rcv buffer\n"); + netdev_err(nic->netdev, + "Failed to allocate new rcv buffer\n"); return -ENOMEM; } nic->rb_page_offset = 0; @@ -382,7 +384,8 @@ static void nicvf_free_snd_queue(struct nicvf *nic, struct snd_queue *sq) return; if (sq->tso_hdrs) - dma_free_coherent(&nic->pdev->dev, sq->dmem.q_len, + dma_free_coherent(&nic->pdev->dev, + sq->dmem.q_len * TSO_HEADER_SIZE, sq->tso_hdrs, sq->tso_hdrs_phys); kfree(sq->skbuff); @@ -863,10 +866,11 @@ void nicvf_sq_free_used_descs(struct net_device *netdev, struct snd_queue *sq, continue; } skb = (struct sk_buff *)sq->skbuff[sq->head]; + if (skb) + dev_kfree_skb_any(skb); atomic64_add(1, (atomic64_t *)&netdev->stats.tx_packets); atomic64_add(hdr->tot_len, (atomic64_t *)&netdev->stats.tx_bytes); - dev_kfree_skb_any(skb); nicvf_put_sq_desc(sq, hdr->subdesc_cnt + 1); } } @@ -992,7 +996,7 @@ static inline void nicvf_sq_add_gather_subdesc(struct snd_queue *sq, int qentry, memset(gather, 0, SND_QUEUE_DESC_SIZE); gather->subdesc_type = SQ_DESC_TYPE_GATHER; - gather->ld_type = NIC_SEND_LD_TYPE_E_LDWB; + gather->ld_type = NIC_SEND_LD_TYPE_E_LDD; gather->size = size; gather->addr = data; } @@ -1048,7 +1052,7 @@ static int nicvf_sq_append_tso(struct nicvf *nic, struct snd_queue *sq, } nicvf_sq_add_hdr_subdesc(sq, hdr_qentry, seg_subdescs - 1, skb, seg_len); - sq->skbuff[hdr_qentry] = 0; + sq->skbuff[hdr_qentry] = (u64)NULL; qentry = nicvf_get_nxt_sqentry(sq, qentry); desc_cnt += seg_subdescs; @@ -1062,6 +1066,7 @@ static int nicvf_sq_append_tso(struct nicvf *nic, struct snd_queue *sq, /* Inform HW to xmit all TSO segments */ nicvf_queue_reg_write(nic, NIC_QSET_SQ_0_7_DOOR, skb_get_queue_mapping(skb), desc_cnt); + nic->drv_stats.tx_tso++; return 1; } diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h index 8341bdf755d1..f0937b7bfe9f 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h @@ -62,7 +62,7 @@ #define SND_QUEUE_CNT 8 #define CMP_QUEUE_CNT 8 /* Max of RCV and SND qcount */ -#define SND_QSIZE SND_QUEUE_SIZE4 +#define SND_QSIZE SND_QUEUE_SIZE2 #define SND_QUEUE_LEN (1ULL << (SND_QSIZE + 10)) #define MAX_SND_QUEUE_LEN (1ULL << (SND_QUEUE_SIZE6 + 10)) #define SND_QUEUE_THRESH 2ULL @@ -70,7 +70,10 @@ /* Since timestamp not enabled, otherwise 2 */ #define MAX_CQE_PER_PKT_XMIT 1 -#define CMP_QSIZE CMP_QUEUE_SIZE4 +/* Keep CQ and SQ sizes same, if timestamping + * is enabled this equation will change. + */ +#define CMP_QSIZE CMP_QUEUE_SIZE2 #define CMP_QUEUE_LEN (1ULL << (CMP_QSIZE + 10)) #define CMP_QUEUE_CQE_THRESH 0 #define CMP_QUEUE_TIMER_THRESH 220 /* 10usec */ @@ -87,7 +90,12 @@ #define MAX_CQES_FOR_TX ((SND_QUEUE_LEN / MIN_SQ_DESC_PER_PKT_XMIT) * \ MAX_CQE_PER_PKT_XMIT) -#define RQ_CQ_DROP ((CMP_QUEUE_LEN - MAX_CQES_FOR_TX) / 256) +/* Calculate number of CQEs to reserve for all SQEs. + * Its 1/256th level of CQ size. + * '+ 1' to account for pipelining + */ +#define RQ_CQ_DROP ((256 / (CMP_QUEUE_LEN / \ + (CMP_QUEUE_LEN - MAX_CQES_FOR_TX))) + 1) /* Descriptor size in bytes */ #define SND_QUEUE_DESC_SIZE 16 diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index 633ec05dfe05..b961a89dc626 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -673,7 +673,10 @@ static void bgx_lmac_disable(struct bgx *bgx, u8 lmacid) bgx_reg_write(bgx, lmacid, BGX_CMRX_CFG, cmrx_cfg); bgx_flush_dmac_addrs(bgx, lmacid); - if (lmac->phydev) + if ((bgx->lmac_type != BGX_MODE_XFI) && + (bgx->lmac_type != BGX_MODE_XLAUI) && + (bgx->lmac_type != BGX_MODE_40G_KR) && + (bgx->lmac_type != BGX_MODE_10G_KR) && lmac->phydev) phy_disconnect(lmac->phydev); lmac->phydev = NULL; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c index a11485fbb33f..c3c7db41819d 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c @@ -2332,10 +2332,11 @@ int t4_setup_debugfs(struct adapter *adap) EXT_MEM1_SIZE_G(size)); } } else { - if (i & EXT_MEM_ENABLE_F) + if (i & EXT_MEM_ENABLE_F) { size = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A); add_debugfs_mem(adap, "mc", MEM_MC, EXT_MEM_SIZE_G(size)); + } } de = debugfs_create_file_size("flash", S_IRUSR, adap->debugfs_root, adap, diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h index 2716e6f30d9a..00e3a6b6b822 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.h +++ b/drivers/net/ethernet/emulex/benet/be_cmds.h @@ -620,6 +620,11 @@ enum be_if_flags { BE_IF_FLAGS_VLAN_PROMISCUOUS |\ BE_IF_FLAGS_MCAST_PROMISCUOUS) +#define BE_IF_EN_FLAGS (BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_PASS_L3L4_ERRORS |\ + BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_UNTAGGED) + +#define BE_IF_ALL_FILT_FLAGS (BE_IF_EN_FLAGS | BE_IF_FLAGS_ALL_PROMISCUOUS) + /* An RX interface is an object with one or more MAC addresses and * filtering capabilities. */ struct be_cmd_req_if_create { diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 6f642426308c..6ca693b03f33 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -273,6 +273,10 @@ static int be_mac_addr_set(struct net_device *netdev, void *p) if (ether_addr_equal(addr->sa_data, netdev->dev_addr)) return 0; + /* if device is not running, copy MAC to netdev->dev_addr */ + if (!netif_running(netdev)) + goto done; + /* The PMAC_ADD cmd may fail if the VF doesn't have FILTMGMT * privilege or if PF did not provision the new MAC address. * On BE3, this cmd will always fail if the VF doesn't have the @@ -307,9 +311,9 @@ static int be_mac_addr_set(struct net_device *netdev, void *p) status = -EPERM; goto err; } - - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - dev_info(dev, "MAC address changed to %pM\n", mac); +done: + ether_addr_copy(netdev->dev_addr, addr->sa_data); + dev_info(dev, "MAC address changed to %pM\n", addr->sa_data); return 0; err: dev_warn(dev, "MAC address change to %pM failed\n", addr->sa_data); @@ -2447,10 +2451,24 @@ static void be_eq_clean(struct be_eq_obj *eqo) be_eq_notify(eqo->adapter, eqo->q.id, false, true, num, 0); } -static void be_rx_cq_clean(struct be_rx_obj *rxo) +/* Free posted rx buffers that were not used */ +static void be_rxq_clean(struct be_rx_obj *rxo) { - struct be_rx_page_info *page_info; struct be_queue_info *rxq = &rxo->q; + struct be_rx_page_info *page_info; + + while (atomic_read(&rxq->used) > 0) { + page_info = get_rx_page_info(rxo); + put_page(page_info->page); + memset(page_info, 0, sizeof(*page_info)); + } + BUG_ON(atomic_read(&rxq->used)); + rxq->tail = 0; + rxq->head = 0; +} + +static void be_rx_cq_clean(struct be_rx_obj *rxo) +{ struct be_queue_info *rx_cq = &rxo->cq; struct be_rx_compl_info *rxcp; struct be_adapter *adapter = rxo->adapter; @@ -2487,16 +2505,6 @@ static void be_rx_cq_clean(struct be_rx_obj *rxo) /* After cleanup, leave the CQ in unarmed state */ be_cq_notify(adapter, rx_cq->id, false, 0); - - /* Then free posted rx buffers that were not used */ - while (atomic_read(&rxq->used) > 0) { - page_info = get_rx_page_info(rxo); - put_page(page_info->page); - memset(page_info, 0, sizeof(*page_info)); - } - BUG_ON(atomic_read(&rxq->used)); - rxq->tail = 0; - rxq->head = 0; } static void be_tx_compl_clean(struct be_adapter *adapter) @@ -2576,8 +2584,8 @@ static void be_evt_queues_destroy(struct be_adapter *adapter) be_cmd_q_destroy(adapter, &eqo->q, QTYPE_EQ); napi_hash_del(&eqo->napi); netif_napi_del(&eqo->napi); + free_cpumask_var(eqo->affinity_mask); } - free_cpumask_var(eqo->affinity_mask); be_queue_free(adapter, &eqo->q); } } @@ -2594,13 +2602,7 @@ static int be_evt_queues_create(struct be_adapter *adapter) for_all_evt_queues(adapter, eqo, i) { int numa_node = dev_to_node(&adapter->pdev->dev); - if (!zalloc_cpumask_var(&eqo->affinity_mask, GFP_KERNEL)) - return -ENOMEM; - cpumask_set_cpu(cpumask_local_spread(i, numa_node), - eqo->affinity_mask); - netif_napi_add(adapter->netdev, &eqo->napi, be_poll, - BE_NAPI_WEIGHT); - napi_hash_add(&eqo->napi); + aic = &adapter->aic_obj[i]; eqo->adapter = adapter; eqo->idx = i; @@ -2616,6 +2618,14 @@ static int be_evt_queues_create(struct be_adapter *adapter) rc = be_cmd_eq_create(adapter, eqo); if (rc) return rc; + + if (!zalloc_cpumask_var(&eqo->affinity_mask, GFP_KERNEL)) + return -ENOMEM; + cpumask_set_cpu(cpumask_local_spread(i, numa_node), + eqo->affinity_mask); + netif_napi_add(adapter->netdev, &eqo->napi, be_poll, + BE_NAPI_WEIGHT); + napi_hash_add(&eqo->napi); } return 0; } @@ -3354,13 +3364,54 @@ static void be_rx_qs_destroy(struct be_adapter *adapter) for_all_rx_queues(adapter, rxo, i) { q = &rxo->q; if (q->created) { + /* If RXQs are destroyed while in an "out of buffer" + * state, there is a possibility of an HW stall on + * Lancer. So, post 64 buffers to each queue to relieve + * the "out of buffer" condition. + * Make sure there's space in the RXQ before posting. + */ + if (lancer_chip(adapter)) { + be_rx_cq_clean(rxo); + if (atomic_read(&q->used) == 0) + be_post_rx_frags(rxo, GFP_KERNEL, + MAX_RX_POST); + } + be_cmd_rxq_destroy(adapter, q); be_rx_cq_clean(rxo); + be_rxq_clean(rxo); } be_queue_free(adapter, q); } } +static void be_disable_if_filters(struct be_adapter *adapter) +{ + be_cmd_pmac_del(adapter, adapter->if_handle, + adapter->pmac_id[0], 0); + + be_clear_uc_list(adapter); + + /* The IFACE flags are enabled in the open path and cleared + * in the close path. When a VF gets detached from the host and + * assigned to a VM the following happens: + * - VF's IFACE flags get cleared in the detach path + * - IFACE create is issued by the VF in the attach path + * Due to a bug in the BE3/Skyhawk-R FW + * (Lancer FW doesn't have the bug), the IFACE capability flags + * specified along with the IFACE create cmd issued by a VF are not + * honoured by FW. As a consequence, if a *new* driver + * (that enables/disables IFACE flags in open/close) + * is loaded in the host and an *old* driver is * used by a VM/VF, + * the IFACE gets created *without* the needed flags. + * To avoid this, disable RX-filter flags only for Lancer. + */ + if (lancer_chip(adapter)) { + be_cmd_rx_filter(adapter, BE_IF_ALL_FILT_FLAGS, OFF); + adapter->if_flags &= ~BE_IF_ALL_FILT_FLAGS; + } +} + static int be_close(struct net_device *netdev) { struct be_adapter *adapter = netdev_priv(netdev); @@ -3373,6 +3424,8 @@ static int be_close(struct net_device *netdev) if (!(adapter->flags & BE_FLAGS_SETUP_DONE)) return 0; + be_disable_if_filters(adapter); + be_roce_dev_close(adapter); if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { @@ -3392,7 +3445,6 @@ static int be_close(struct net_device *netdev) be_tx_compl_clean(adapter); be_rx_qs_destroy(adapter); - be_clear_uc_list(adapter); for_all_evt_queues(adapter, eqo, i) { if (msix_enabled(adapter)) @@ -3477,6 +3529,31 @@ static int be_rx_qs_create(struct be_adapter *adapter) return 0; } +static int be_enable_if_filters(struct be_adapter *adapter) +{ + int status; + + status = be_cmd_rx_filter(adapter, BE_IF_EN_FLAGS, ON); + if (status) + return status; + + /* For BE3 VFs, the PF programs the initial MAC address */ + if (!(BEx_chip(adapter) && be_virtfn(adapter))) { + status = be_cmd_pmac_add(adapter, adapter->netdev->dev_addr, + adapter->if_handle, + &adapter->pmac_id[0], 0); + if (status) + return status; + } + + if (adapter->vlans_added) + be_vid_config(adapter); + + be_set_rx_mode(adapter->netdev); + + return 0; +} + static int be_open(struct net_device *netdev) { struct be_adapter *adapter = netdev_priv(netdev); @@ -3490,6 +3567,10 @@ static int be_open(struct net_device *netdev) if (status) goto err; + status = be_enable_if_filters(adapter); + if (status) + goto err; + status = be_irq_register(adapter); if (status) goto err; @@ -3686,16 +3767,6 @@ static void be_cancel_err_detection(struct be_adapter *adapter) } } -static void be_mac_clear(struct be_adapter *adapter) -{ - if (adapter->pmac_id) { - be_cmd_pmac_del(adapter, adapter->if_handle, - adapter->pmac_id[0], 0); - kfree(adapter->pmac_id); - adapter->pmac_id = NULL; - } -} - #ifdef CONFIG_BE2NET_VXLAN static void be_disable_vxlan_offloads(struct be_adapter *adapter) { @@ -3770,8 +3841,8 @@ static int be_clear(struct be_adapter *adapter) #ifdef CONFIG_BE2NET_VXLAN be_disable_vxlan_offloads(adapter); #endif - /* delete the primary mac along with the uc-mac list */ - be_mac_clear(adapter); + kfree(adapter->pmac_id); + adapter->pmac_id = NULL; be_cmd_if_destroy(adapter, adapter->if_handle, 0); @@ -3782,25 +3853,11 @@ static int be_clear(struct be_adapter *adapter) return 0; } -static int be_if_create(struct be_adapter *adapter, u32 *if_handle, - u32 cap_flags, u32 vf) -{ - u32 en_flags; - - en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | - BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_PASS_L3L4_ERRORS | - BE_IF_FLAGS_RSS | BE_IF_FLAGS_DEFQ_RSS; - - en_flags &= cap_flags; - - return be_cmd_if_create(adapter, cap_flags, en_flags, if_handle, vf); -} - static int be_vfs_if_create(struct be_adapter *adapter) { struct be_resources res = {0}; + u32 cap_flags, en_flags, vf; struct be_vf_cfg *vf_cfg; - u32 cap_flags, vf; int status; /* If a FW profile exists, then cap_flags are updated */ @@ -3821,8 +3878,12 @@ static int be_vfs_if_create(struct be_adapter *adapter) } } - status = be_if_create(adapter, &vf_cfg->if_handle, - cap_flags, vf + 1); + en_flags = cap_flags & (BE_IF_FLAGS_UNTAGGED | + BE_IF_FLAGS_BROADCAST | + BE_IF_FLAGS_MULTICAST | + BE_IF_FLAGS_PASS_L3L4_ERRORS); + status = be_cmd_if_create(adapter, cap_flags, en_flags, + &vf_cfg->if_handle, vf + 1); if (status) return status; } @@ -4194,15 +4255,8 @@ static int be_mac_setup(struct be_adapter *adapter) memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); - } else { - /* Maybe the HW was reset; dev_addr must be re-programmed */ - memcpy(mac, adapter->netdev->dev_addr, ETH_ALEN); } - /* For BE3-R VFs, the PF programs the initial MAC address */ - if (!(BEx_chip(adapter) && be_virtfn(adapter))) - be_cmd_pmac_add(adapter, mac, adapter->if_handle, - &adapter->pmac_id[0], 0); return 0; } @@ -4342,6 +4396,7 @@ static int be_func_init(struct be_adapter *adapter) static int be_setup(struct be_adapter *adapter) { struct device *dev = &adapter->pdev->dev; + u32 en_flags; int status; status = be_func_init(adapter); @@ -4364,8 +4419,11 @@ static int be_setup(struct be_adapter *adapter) if (status) goto err; - status = be_if_create(adapter, &adapter->if_handle, - be_if_cap_flags(adapter), 0); + /* will enable all the needed filter flags in be_open() */ + en_flags = BE_IF_FLAGS_RSS | BE_IF_FLAGS_DEFQ_RSS; + en_flags = en_flags & be_if_cap_flags(adapter); + status = be_cmd_if_create(adapter, be_if_cap_flags(adapter), en_flags, + &adapter->if_handle, 0); if (status) goto err; @@ -4391,11 +4449,6 @@ static int be_setup(struct be_adapter *adapter) dev_err(dev, "Please upgrade firmware to version >= 4.0\n"); } - if (adapter->vlans_added) - be_vid_config(adapter); - - be_set_rx_mode(adapter->netdev); - status = be_cmd_set_flow_control(adapter, adapter->tx_fc, adapter->rx_fc); if (status) @@ -5121,7 +5174,7 @@ static void be_add_vxlan_port(struct net_device *netdev, sa_family_t sa_family, struct device *dev = &adapter->pdev->dev; int status; - if (lancer_chip(adapter) || BEx_chip(adapter)) + if (lancer_chip(adapter) || BEx_chip(adapter) || be_is_mc(adapter)) return; if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) { @@ -5168,7 +5221,7 @@ static void be_del_vxlan_port(struct net_device *netdev, sa_family_t sa_family, { struct be_adapter *adapter = netdev_priv(netdev); - if (lancer_chip(adapter) || BEx_chip(adapter)) + if (lancer_chip(adapter) || BEx_chip(adapter) || be_is_mc(adapter)) return; if (adapter->vxlan_port != port) diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 1eee73cccdf5..99d33e2d35e6 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -562,6 +562,7 @@ struct fec_enet_private { }; void fec_ptp_init(struct platform_device *pdev); +void fec_ptp_stop(struct platform_device *pdev); void fec_ptp_start_cyclecounter(struct net_device *ndev); int fec_ptp_set(struct net_device *ndev, struct ifreq *ifr); int fec_ptp_get(struct net_device *ndev, struct ifreq *ifr); diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 42e20e5385ac..b349e6f36ea7 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1778,7 +1778,7 @@ static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum) return ret; fep->mii_timeout = 0; - init_completion(&fep->mdio_done); + reinit_completion(&fep->mdio_done); /* start a read op */ writel(FEC_MMFR_ST | FEC_MMFR_OP_READ | @@ -1817,7 +1817,7 @@ static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum, return ret; fep->mii_timeout = 0; - init_completion(&fep->mdio_done); + reinit_completion(&fep->mdio_done); /* start a write op */ writel(FEC_MMFR_ST | FEC_MMFR_OP_WRITE | @@ -3142,8 +3142,8 @@ static int fec_enet_init(struct net_device *ndev) fep->bufdesc_size; /* Allocate memory for buffer descriptors. */ - cbd_base = dma_alloc_coherent(NULL, bd_size, &bd_dma, - GFP_KERNEL); + cbd_base = dmam_alloc_coherent(&fep->pdev->dev, bd_size, &bd_dma, + GFP_KERNEL); if (!cbd_base) { return -ENOMEM; } @@ -3431,6 +3431,12 @@ fec_probe(struct platform_device *pdev) fep->reg_phy = NULL; } + pm_runtime_set_autosuspend_delay(&pdev->dev, FEC_MDIO_PM_TIMEOUT); + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_get_noresume(&pdev->dev); + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); + fec_reset_phy(pdev); if (fep->bufdesc_ex) @@ -3465,8 +3471,6 @@ fec_probe(struct platform_device *pdev) netif_carrier_off(ndev); fec_enet_clk_enable(ndev, false); pinctrl_pm_select_sleep_state(&pdev->dev); - pm_runtime_set_active(&pdev->dev); - pm_runtime_enable(&pdev->dev); ret = register_netdev(ndev); if (ret) @@ -3481,8 +3485,6 @@ fec_probe(struct platform_device *pdev) fep->rx_copybreak = COPYBREAK_DEFAULT; INIT_WORK(&fep->tx_timeout_work, fec_enet_timeout_work); - pm_runtime_set_autosuspend_delay(&pdev->dev, FEC_MDIO_PM_TIMEOUT); - pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_mark_last_busy(&pdev->dev); pm_runtime_put_autosuspend(&pdev->dev); @@ -3493,6 +3495,7 @@ failed_register: failed_mii_init: failed_irq: failed_init: + fec_ptp_stop(pdev); if (fep->reg_phy) regulator_disable(fep->reg_phy); failed_regulator: @@ -3514,14 +3517,12 @@ fec_drv_remove(struct platform_device *pdev) struct net_device *ndev = platform_get_drvdata(pdev); struct fec_enet_private *fep = netdev_priv(ndev); - cancel_delayed_work_sync(&fep->time_keep); cancel_work_sync(&fep->tx_timeout_work); + fec_ptp_stop(pdev); unregister_netdev(ndev); fec_enet_mii_remove(fep); if (fep->reg_phy) regulator_disable(fep->reg_phy); - if (fep->ptp_clock) - ptp_clock_unregister(fep->ptp_clock); of_node_put(fep->phy_node); free_netdev(ndev); diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c index a15663ad7f5e..f457a23d0bfb 100644 --- a/drivers/net/ethernet/freescale/fec_ptp.c +++ b/drivers/net/ethernet/freescale/fec_ptp.c @@ -604,6 +604,16 @@ void fec_ptp_init(struct platform_device *pdev) schedule_delayed_work(&fep->time_keep, HZ); } +void fec_ptp_stop(struct platform_device *pdev) +{ + struct net_device *ndev = platform_get_drvdata(pdev); + struct fec_enet_private *fep = netdev_priv(ndev); + + cancel_delayed_work_sync(&fep->time_keep); + if (fep->ptp_clock) + ptp_clock_unregister(fep->ptp_clock); +} + /** * fec_ptp_check_pps_event * @fep: the fec_enet_private structure handle diff --git a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c index 56316db6c5a6..cf8e54652df9 100644 --- a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c +++ b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c @@ -586,7 +586,8 @@ static int fs_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) frag = skb_shinfo(skb)->frags; while (nr_frags) { CBDC_SC(bdp, - BD_ENET_TX_STATS | BD_ENET_TX_LAST | BD_ENET_TX_TC); + BD_ENET_TX_STATS | BD_ENET_TX_INTR | BD_ENET_TX_LAST | + BD_ENET_TX_TC); CBDS_SC(bdp, BD_ENET_TX_READY); if ((CBDR_SC(bdp) & BD_ENET_TX_WRAP) == 0) diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c index b34214e2df5f..016743e355de 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c +++ b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c @@ -110,7 +110,7 @@ static int do_pd_setup(struct fs_enet_private *fep) } #define FEC_NAPI_RX_EVENT_MSK (FEC_ENET_RXF | FEC_ENET_RXB) -#define FEC_NAPI_TX_EVENT_MSK (FEC_ENET_TXF | FEC_ENET_TXB) +#define FEC_NAPI_TX_EVENT_MSK (FEC_ENET_TXF) #define FEC_RX_EVENT (FEC_ENET_RXF) #define FEC_TX_EVENT (FEC_ENET_TXF) #define FEC_ERR_EVENT_MSK (FEC_ENET_HBERR | FEC_ENET_BABR | \ diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index ff875028fdff..10b3bbbbac8e 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -565,22 +565,6 @@ static void gfar_ints_enable(struct gfar_private *priv) } } -static void lock_tx_qs(struct gfar_private *priv) -{ - int i; - - for (i = 0; i < priv->num_tx_queues; i++) - spin_lock(&priv->tx_queue[i]->txlock); -} - -static void unlock_tx_qs(struct gfar_private *priv) -{ - int i; - - for (i = 0; i < priv->num_tx_queues; i++) - spin_unlock(&priv->tx_queue[i]->txlock); -} - static int gfar_alloc_tx_queues(struct gfar_private *priv) { int i; @@ -1376,7 +1360,6 @@ static int gfar_probe(struct platform_device *ofdev) priv->dev = &ofdev->dev; SET_NETDEV_DEV(dev, &ofdev->dev); - spin_lock_init(&priv->bflock); INIT_WORK(&priv->reset_task, gfar_reset_task); platform_set_drvdata(ofdev, priv); @@ -1470,9 +1453,8 @@ static int gfar_probe(struct platform_device *ofdev) goto register_fail; } - device_init_wakeup(&dev->dev, - priv->device_flags & - FSL_GIANFAR_DEV_HAS_MAGIC_PACKET); + device_set_wakeup_capable(&dev->dev, priv->device_flags & + FSL_GIANFAR_DEV_HAS_MAGIC_PACKET); /* fill out IRQ number and name fields */ for (i = 0; i < priv->num_grps; i++) { @@ -1540,48 +1522,37 @@ static int gfar_suspend(struct device *dev) struct gfar_private *priv = dev_get_drvdata(dev); struct net_device *ndev = priv->ndev; struct gfar __iomem *regs = priv->gfargrp[0].regs; - unsigned long flags; u32 tempval; - int magic_packet = priv->wol_en && (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET); + if (!netif_running(ndev)) + return 0; + + disable_napi(priv); + netif_tx_lock(ndev); netif_device_detach(ndev); + netif_tx_unlock(ndev); - if (netif_running(ndev)) { + gfar_halt(priv); - local_irq_save(flags); - lock_tx_qs(priv); + if (magic_packet) { + /* Enable interrupt on Magic Packet */ + gfar_write(®s->imask, IMASK_MAG); - gfar_halt_nodisable(priv); + /* Enable Magic Packet mode */ + tempval = gfar_read(®s->maccfg2); + tempval |= MACCFG2_MPEN; + gfar_write(®s->maccfg2, tempval); - /* Disable Tx, and Rx if wake-on-LAN is disabled. */ + /* re-enable the Rx block */ tempval = gfar_read(®s->maccfg1); - - tempval &= ~MACCFG1_TX_EN; - - if (!magic_packet) - tempval &= ~MACCFG1_RX_EN; - + tempval |= MACCFG1_RX_EN; gfar_write(®s->maccfg1, tempval); - unlock_tx_qs(priv); - local_irq_restore(flags); - - disable_napi(priv); - - if (magic_packet) { - /* Enable interrupt on Magic Packet */ - gfar_write(®s->imask, IMASK_MAG); - - /* Enable Magic Packet mode */ - tempval = gfar_read(®s->maccfg2); - tempval |= MACCFG2_MPEN; - gfar_write(®s->maccfg2, tempval); - } else { - phy_stop(priv->phydev); - } + } else { + phy_stop(priv->phydev); } return 0; @@ -1592,37 +1563,26 @@ static int gfar_resume(struct device *dev) struct gfar_private *priv = dev_get_drvdata(dev); struct net_device *ndev = priv->ndev; struct gfar __iomem *regs = priv->gfargrp[0].regs; - unsigned long flags; u32 tempval; int magic_packet = priv->wol_en && (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET); - if (!netif_running(ndev)) { - netif_device_attach(ndev); + if (!netif_running(ndev)) return 0; - } - if (!magic_packet && priv->phydev) + if (magic_packet) { + /* Disable Magic Packet mode */ + tempval = gfar_read(®s->maccfg2); + tempval &= ~MACCFG2_MPEN; + gfar_write(®s->maccfg2, tempval); + } else { phy_start(priv->phydev); - - /* Disable Magic Packet mode, in case something - * else woke us up. - */ - local_irq_save(flags); - lock_tx_qs(priv); - - tempval = gfar_read(®s->maccfg2); - tempval &= ~MACCFG2_MPEN; - gfar_write(®s->maccfg2, tempval); + } gfar_start(priv); - unlock_tx_qs(priv); - local_irq_restore(flags); - netif_device_attach(ndev); - enable_napi(priv); return 0; @@ -2045,7 +2005,8 @@ static int register_grp_irqs(struct gfar_priv_grp *grp) /* Install our interrupt handlers for Error, * Transmit, and Receive */ - err = request_irq(gfar_irq(grp, ER)->irq, gfar_error, 0, + err = request_irq(gfar_irq(grp, ER)->irq, gfar_error, + IRQF_NO_SUSPEND, gfar_irq(grp, ER)->name, grp); if (err < 0) { netif_err(priv, intr, dev, "Can't get IRQ %d\n", @@ -2068,7 +2029,8 @@ static int register_grp_irqs(struct gfar_priv_grp *grp) goto rx_irq_fail; } } else { - err = request_irq(gfar_irq(grp, TX)->irq, gfar_interrupt, 0, + err = request_irq(gfar_irq(grp, TX)->irq, gfar_interrupt, + IRQF_NO_SUSPEND, gfar_irq(grp, TX)->name, grp); if (err < 0) { netif_err(priv, intr, dev, "Can't get IRQ %d\n", @@ -2140,6 +2102,11 @@ int startup_gfar(struct net_device *ndev) /* Start Rx/Tx DMA and enable the interrupts */ gfar_start(priv); + /* force link state update after mac reset */ + priv->oldlink = 0; + priv->oldspeed = 0; + priv->oldduplex = -1; + phy_start(priv->phydev); enable_napi(priv); @@ -2169,8 +2136,6 @@ static int gfar_enet_open(struct net_device *dev) if (err) return err; - device_set_wakeup_enable(&dev->dev, priv->wol_en); - return err; } diff --git a/drivers/net/ethernet/freescale/gianfar.h b/drivers/net/ethernet/freescale/gianfar.h index daa1d37de642..5545e4103368 100644 --- a/drivers/net/ethernet/freescale/gianfar.h +++ b/drivers/net/ethernet/freescale/gianfar.h @@ -1145,9 +1145,6 @@ struct gfar_private { int oldduplex; int oldlink; - /* Bitfield update lock */ - spinlock_t bflock; - uint32_t msg_enable; struct work_struct reset_task; diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c index fda12fb32ec7..5b90fcf96265 100644 --- a/drivers/net/ethernet/freescale/gianfar_ethtool.c +++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c @@ -653,7 +653,6 @@ static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct gfar_private *priv = netdev_priv(dev); - unsigned long flags; if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) && wol->wolopts != 0) @@ -664,9 +663,7 @@ static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) device_set_wakeup_enable(&dev->dev, wol->wolopts & WAKE_MAGIC); - spin_lock_irqsave(&priv->bflock, flags); - priv->wol_en = !!device_may_wakeup(&dev->dev); - spin_unlock_irqrestore(&priv->bflock, flags); + priv->wol_en = !!device_may_wakeup(&dev->dev); return 0; } @@ -903,27 +900,6 @@ static int gfar_check_filer_hardware(struct gfar_private *priv) return 0; } -static int gfar_comp_asc(const void *a, const void *b) -{ - return memcmp(a, b, 4); -} - -static int gfar_comp_desc(const void *a, const void *b) -{ - return -memcmp(a, b, 4); -} - -static void gfar_swap(void *a, void *b, int size) -{ - u32 *_a = a; - u32 *_b = b; - - swap(_a[0], _b[0]); - swap(_a[1], _b[1]); - swap(_a[2], _b[2]); - swap(_a[3], _b[3]); -} - /* Write a mask to filer cache */ static void gfar_set_mask(u32 mask, struct filer_table *tab) { @@ -1273,310 +1249,6 @@ static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule, return 0; } -/* Copy size filer entries */ -static void gfar_copy_filer_entries(struct gfar_filer_entry dst[0], - struct gfar_filer_entry src[0], s32 size) -{ - while (size > 0) { - size--; - dst[size].ctrl = src[size].ctrl; - dst[size].prop = src[size].prop; - } -} - -/* Delete the contents of the filer-table between start and end - * and collapse them - */ -static int gfar_trim_filer_entries(u32 begin, u32 end, struct filer_table *tab) -{ - int length; - - if (end > MAX_FILER_CACHE_IDX || end < begin) - return -EINVAL; - - end++; - length = end - begin; - - /* Copy */ - while (end < tab->index) { - tab->fe[begin].ctrl = tab->fe[end].ctrl; - tab->fe[begin++].prop = tab->fe[end++].prop; - - } - /* Fill up with don't cares */ - while (begin < tab->index) { - tab->fe[begin].ctrl = 0x60; - tab->fe[begin].prop = 0xFFFFFFFF; - begin++; - } - - tab->index -= length; - return 0; -} - -/* Make space on the wanted location */ -static int gfar_expand_filer_entries(u32 begin, u32 length, - struct filer_table *tab) -{ - if (length == 0 || length + tab->index > MAX_FILER_CACHE_IDX || - begin > MAX_FILER_CACHE_IDX) - return -EINVAL; - - gfar_copy_filer_entries(&(tab->fe[begin + length]), &(tab->fe[begin]), - tab->index - length + 1); - - tab->index += length; - return 0; -} - -static int gfar_get_next_cluster_start(int start, struct filer_table *tab) -{ - for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); - start++) { - if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) == - (RQFCR_AND | RQFCR_CLE)) - return start; - } - return -1; -} - -static int gfar_get_next_cluster_end(int start, struct filer_table *tab) -{ - for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); - start++) { - if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE)) == - (RQFCR_CLE)) - return start; - } - return -1; -} - -/* Uses hardwares clustering option to reduce - * the number of filer table entries - */ -static void gfar_cluster_filer(struct filer_table *tab) -{ - s32 i = -1, j, iend, jend; - - while ((i = gfar_get_next_cluster_start(++i, tab)) != -1) { - j = i; - while ((j = gfar_get_next_cluster_start(++j, tab)) != -1) { - /* The cluster entries self and the previous one - * (a mask) must be identical! - */ - if (tab->fe[i].ctrl != tab->fe[j].ctrl) - break; - if (tab->fe[i].prop != tab->fe[j].prop) - break; - if (tab->fe[i - 1].ctrl != tab->fe[j - 1].ctrl) - break; - if (tab->fe[i - 1].prop != tab->fe[j - 1].prop) - break; - iend = gfar_get_next_cluster_end(i, tab); - jend = gfar_get_next_cluster_end(j, tab); - if (jend == -1 || iend == -1) - break; - - /* First we make some free space, where our cluster - * element should be. Then we copy it there and finally - * delete in from its old location. - */ - if (gfar_expand_filer_entries(iend, (jend - j), tab) == - -EINVAL) - break; - - gfar_copy_filer_entries(&(tab->fe[iend + 1]), - &(tab->fe[jend + 1]), jend - j); - - if (gfar_trim_filer_entries(jend - 1, - jend + (jend - j), - tab) == -EINVAL) - return; - - /* Mask out cluster bit */ - tab->fe[iend].ctrl &= ~(RQFCR_CLE); - } - } -} - -/* Swaps the masked bits of a1<>a2 and b1<>b2 */ -static void gfar_swap_bits(struct gfar_filer_entry *a1, - struct gfar_filer_entry *a2, - struct gfar_filer_entry *b1, - struct gfar_filer_entry *b2, u32 mask) -{ - u32 temp[4]; - temp[0] = a1->ctrl & mask; - temp[1] = a2->ctrl & mask; - temp[2] = b1->ctrl & mask; - temp[3] = b2->ctrl & mask; - - a1->ctrl &= ~mask; - a2->ctrl &= ~mask; - b1->ctrl &= ~mask; - b2->ctrl &= ~mask; - - a1->ctrl |= temp[1]; - a2->ctrl |= temp[0]; - b1->ctrl |= temp[3]; - b2->ctrl |= temp[2]; -} - -/* Generate a list consisting of masks values with their start and - * end of validity and block as indicator for parts belonging - * together (glued by ANDs) in mask_table - */ -static u32 gfar_generate_mask_table(struct gfar_mask_entry *mask_table, - struct filer_table *tab) -{ - u32 i, and_index = 0, block_index = 1; - - for (i = 0; i < tab->index; i++) { - - /* LSByte of control = 0 sets a mask */ - if (!(tab->fe[i].ctrl & 0xF)) { - mask_table[and_index].mask = tab->fe[i].prop; - mask_table[and_index].start = i; - mask_table[and_index].block = block_index; - if (and_index >= 1) - mask_table[and_index - 1].end = i - 1; - and_index++; - } - /* cluster starts and ends will be separated because they should - * hold their position - */ - if (tab->fe[i].ctrl & RQFCR_CLE) - block_index++; - /* A not set AND indicates the end of a depended block */ - if (!(tab->fe[i].ctrl & RQFCR_AND)) - block_index++; - } - - mask_table[and_index - 1].end = i - 1; - - return and_index; -} - -/* Sorts the entries of mask_table by the values of the masks. - * Important: The 0xFF80 flags of the first and last entry of a - * block must hold their position (which queue, CLusterEnable, ReJEct, - * AND) - */ -static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table, - struct filer_table *temp_table, u32 and_index) -{ - /* Pointer to compare function (_asc or _desc) */ - int (*gfar_comp)(const void *, const void *); - - u32 i, size = 0, start = 0, prev = 1; - u32 old_first, old_last, new_first, new_last; - - gfar_comp = &gfar_comp_desc; - - for (i = 0; i < and_index; i++) { - if (prev != mask_table[i].block) { - old_first = mask_table[start].start + 1; - old_last = mask_table[i - 1].end; - sort(mask_table + start, size, - sizeof(struct gfar_mask_entry), - gfar_comp, &gfar_swap); - - /* Toggle order for every block. This makes the - * thing more efficient! - */ - if (gfar_comp == gfar_comp_desc) - gfar_comp = &gfar_comp_asc; - else - gfar_comp = &gfar_comp_desc; - - new_first = mask_table[start].start + 1; - new_last = mask_table[i - 1].end; - - gfar_swap_bits(&temp_table->fe[new_first], - &temp_table->fe[old_first], - &temp_table->fe[new_last], - &temp_table->fe[old_last], - RQFCR_QUEUE | RQFCR_CLE | - RQFCR_RJE | RQFCR_AND); - - start = i; - size = 0; - } - size++; - prev = mask_table[i].block; - } -} - -/* Reduces the number of masks needed in the filer table to save entries - * This is done by sorting the masks of a depended block. A depended block is - * identified by gluing ANDs or CLE. The sorting order toggles after every - * block. Of course entries in scope of a mask must change their location with - * it. - */ -static int gfar_optimize_filer_masks(struct filer_table *tab) -{ - struct filer_table *temp_table; - struct gfar_mask_entry *mask_table; - - u32 and_index = 0, previous_mask = 0, i = 0, j = 0, size = 0; - s32 ret = 0; - - /* We need a copy of the filer table because - * we want to change its order - */ - temp_table = kmemdup(tab, sizeof(*temp_table), GFP_KERNEL); - if (temp_table == NULL) - return -ENOMEM; - - mask_table = kcalloc(MAX_FILER_CACHE_IDX / 2 + 1, - sizeof(struct gfar_mask_entry), GFP_KERNEL); - - if (mask_table == NULL) { - ret = -ENOMEM; - goto end; - } - - and_index = gfar_generate_mask_table(mask_table, tab); - - gfar_sort_mask_table(mask_table, temp_table, and_index); - - /* Now we can copy the data from our duplicated filer table to - * the real one in the order the mask table says - */ - for (i = 0; i < and_index; i++) { - size = mask_table[i].end - mask_table[i].start + 1; - gfar_copy_filer_entries(&(tab->fe[j]), - &(temp_table->fe[mask_table[i].start]), size); - j += size; - } - - /* And finally we just have to check for duplicated masks and drop the - * second ones - */ - for (i = 0; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) { - if (tab->fe[i].ctrl == 0x80) { - previous_mask = i++; - break; - } - } - for (; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) { - if (tab->fe[i].ctrl == 0x80) { - if (tab->fe[i].prop == tab->fe[previous_mask].prop) { - /* Two identical ones found! - * So drop the second one! - */ - gfar_trim_filer_entries(i, i, tab); - } else - /* Not identical! */ - previous_mask = i; - } - } - - kfree(mask_table); -end: kfree(temp_table); - return ret; -} - /* Write the bit-pattern from software's buffer to hardware registers */ static int gfar_write_filer_table(struct gfar_private *priv, struct filer_table *tab) @@ -1586,11 +1258,10 @@ static int gfar_write_filer_table(struct gfar_private *priv, return -EBUSY; /* Fill regular entries */ - for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].prop); - i++) + for (; i < MAX_FILER_IDX && (tab->fe[i].ctrl | tab->fe[i].prop); i++) gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop); /* Fill the rest with fall-troughs */ - for (; i < MAX_FILER_IDX - 1; i++) + for (; i < MAX_FILER_IDX; i++) gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF); /* Last entry must be default accept * because that's what people expect @@ -1624,7 +1295,6 @@ static int gfar_process_filer_changes(struct gfar_private *priv) { struct ethtool_flow_spec_container *j; struct filer_table *tab; - s32 i = 0; s32 ret = 0; /* So index is set to zero, too! */ @@ -1649,17 +1319,6 @@ static int gfar_process_filer_changes(struct gfar_private *priv) } } - i = tab->index; - - /* Optimizations to save entries */ - gfar_cluster_filer(tab); - gfar_optimize_filer_masks(tab); - - pr_debug("\tSummary:\n" - "\tData on hardware: %d\n" - "\tCompression rate: %d%%\n", - tab->index, 100 - (100 * tab->index) / i); - /* Write everything to hardware */ ret = gfar_write_filer_table(priv, tab); if (ret == -EBUSY) { @@ -1725,13 +1384,14 @@ static int gfar_add_cls(struct gfar_private *priv, } process: + priv->rx_list.count++; ret = gfar_process_filer_changes(priv); if (ret) goto clean_list; - priv->rx_list.count++; return ret; clean_list: + priv->rx_list.count--; list_del(&temp->list); clean_mem: kfree(temp); diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c index 982fdcdc795b..b5b2925103ec 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c @@ -216,7 +216,7 @@ static void fm10k_reuse_rx_page(struct fm10k_ring *rx_ring, static inline bool fm10k_page_is_reserved(struct page *page) { - return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; + return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); } static bool fm10k_can_reuse_rx_page(struct fm10k_rx_buffer *rx_buffer, diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 2f70a9b152bd..830466c49987 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -6566,7 +6566,7 @@ static void igb_reuse_rx_page(struct igb_ring *rx_ring, static inline bool igb_page_is_reserved(struct page *page) { - return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; + return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); } static bool igb_can_reuse_rx_page(struct igb_rx_buffer *rx_buffer, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 9aa6104e34ea..ae21e0b06c3a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -1832,7 +1832,7 @@ static void ixgbe_reuse_rx_page(struct ixgbe_ring *rx_ring, static inline bool ixgbe_page_is_reserved(struct page *page) { - return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; + return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); } /** diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index e71cdde9cb01..1d7b00b038a2 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -765,7 +765,7 @@ static void ixgbevf_reuse_rx_page(struct ixgbevf_ring *rx_ring, static inline bool ixgbevf_page_is_reserved(struct page *page) { - return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; + return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); } /** diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 370e20ed224c..62e48bc0cb23 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -1462,7 +1462,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, struct mvneta_rx_queue *rxq) { struct net_device *dev = pp->dev; - int rx_done, rx_filled; + int rx_done; u32 rcvd_pkts = 0; u32 rcvd_bytes = 0; @@ -1473,7 +1473,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, rx_todo = rx_done; rx_done = 0; - rx_filled = 0; /* Fairness NAPI loop */ while (rx_done < rx_todo) { @@ -1484,7 +1483,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, int rx_bytes, err; rx_done++; - rx_filled++; rx_status = rx_desc->status; rx_bytes = rx_desc->data_size - (ETH_FCS_LEN + MVNETA_MH_SIZE); data = (unsigned char *)rx_desc->buf_cookie; @@ -1524,6 +1522,14 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, continue; } + /* Refill processing */ + err = mvneta_rx_refill(pp, rx_desc); + if (err) { + netdev_err(dev, "Linux processing - Can't refill\n"); + rxq->missed++; + goto err_drop_frame; + } + skb = build_skb(data, pp->frag_size > PAGE_SIZE ? 0 : pp->frag_size); if (!skb) goto err_drop_frame; @@ -1543,14 +1549,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, mvneta_rx_csum(pp, rx_status, skb); napi_gro_receive(&pp->napi, skb); - - /* Refill processing */ - err = mvneta_rx_refill(pp, rx_desc); - if (err) { - netdev_err(dev, "Linux processing - Can't refill\n"); - rxq->missed++; - rx_filled--; - } } if (rcvd_pkts) { @@ -1563,7 +1561,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, } /* Update rxq management counters */ - mvneta_rxq_desc_num_update(pp, rxq, rx_done, rx_filled); + mvneta_rxq_desc_num_update(pp, rxq, rx_done, rx_done); return rx_done; } diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 3e8b1bfb1f2e..d9884fd15b45 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -27,6 +27,8 @@ #include <linux/of_address.h> #include <linux/phy.h> #include <linux/clk.h> +#include <linux/hrtimer.h> +#include <linux/ktime.h> #include <uapi/linux/ppp_defs.h> #include <net/ip.h> #include <net/ipv6.h> @@ -299,6 +301,7 @@ /* Coalescing */ #define MVPP2_TXDONE_COAL_PKTS_THRESH 15 +#define MVPP2_TXDONE_HRTIMER_PERIOD_NS 1000000UL #define MVPP2_RX_COAL_PKTS 32 #define MVPP2_RX_COAL_USEC 100 @@ -660,6 +663,14 @@ struct mvpp2_pcpu_stats { u64 tx_bytes; }; +/* Per-CPU port control */ +struct mvpp2_port_pcpu { + struct hrtimer tx_done_timer; + bool timer_scheduled; + /* Tasklet for egress finalization */ + struct tasklet_struct tx_done_tasklet; +}; + struct mvpp2_port { u8 id; @@ -679,6 +690,9 @@ struct mvpp2_port { u32 pending_cause_rx; struct napi_struct napi; + /* Per-CPU port control */ + struct mvpp2_port_pcpu __percpu *pcpu; + /* Flags */ unsigned long flags; @@ -776,6 +790,9 @@ struct mvpp2_txq_pcpu { /* Array of transmitted skb */ struct sk_buff **tx_skb; + /* Array of transmitted buffers' physical addresses */ + dma_addr_t *tx_buffs; + /* Index of last TX DMA descriptor that was inserted */ int txq_put_index; @@ -913,8 +930,6 @@ struct mvpp2_bm_pool { /* Occupied buffers indicator */ atomic_t in_use; int in_use_thresh; - - spinlock_t lock; }; struct mvpp2_buff_hdr { @@ -963,9 +978,13 @@ static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu) } static void mvpp2_txq_inc_put(struct mvpp2_txq_pcpu *txq_pcpu, - struct sk_buff *skb) + struct sk_buff *skb, + struct mvpp2_tx_desc *tx_desc) { txq_pcpu->tx_skb[txq_pcpu->txq_put_index] = skb; + if (skb) + txq_pcpu->tx_buffs[txq_pcpu->txq_put_index] = + tx_desc->buf_phys_addr; txq_pcpu->txq_put_index++; if (txq_pcpu->txq_put_index == txq_pcpu->size) txq_pcpu->txq_put_index = 0; @@ -3376,7 +3395,6 @@ static int mvpp2_bm_pool_create(struct platform_device *pdev, bm_pool->pkt_size = 0; bm_pool->buf_num = 0; atomic_set(&bm_pool->in_use, 0); - spin_lock_init(&bm_pool->lock); return 0; } @@ -3647,7 +3665,6 @@ static struct mvpp2_bm_pool * mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type, int pkt_size) { - unsigned long flags = 0; struct mvpp2_bm_pool *new_pool = &port->priv->bm_pools[pool]; int num; @@ -3656,8 +3673,6 @@ mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type, return NULL; } - spin_lock_irqsave(&new_pool->lock, flags); - if (new_pool->type == MVPP2_BM_FREE) new_pool->type = type; @@ -3686,8 +3701,6 @@ mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type, if (num != pkts_num) { WARN(1, "pool %d: %d of %d allocated\n", new_pool->id, num, pkts_num); - /* We need to undo the bufs_add() allocations */ - spin_unlock_irqrestore(&new_pool->lock, flags); return NULL; } } @@ -3695,15 +3708,12 @@ mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type, mvpp2_bm_pool_bufsize_set(port->priv, new_pool, MVPP2_RX_BUF_SIZE(new_pool->pkt_size)); - spin_unlock_irqrestore(&new_pool->lock, flags); - return new_pool; } /* Initialize pools for swf */ static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port) { - unsigned long flags = 0; int rxq; if (!port->pool_long) { @@ -3714,9 +3724,7 @@ static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port) if (!port->pool_long) return -ENOMEM; - spin_lock_irqsave(&port->pool_long->lock, flags); port->pool_long->port_map |= (1 << port->id); - spin_unlock_irqrestore(&port->pool_long->lock, flags); for (rxq = 0; rxq < rxq_number; rxq++) mvpp2_rxq_long_pool_set(port, rxq, port->pool_long->id); @@ -3730,9 +3738,7 @@ static int mvpp2_swf_bm_pool_init(struct mvpp2_port *port) if (!port->pool_short) return -ENOMEM; - spin_lock_irqsave(&port->pool_short->lock, flags); port->pool_short->port_map |= (1 << port->id); - spin_unlock_irqrestore(&port->pool_short->lock, flags); for (rxq = 0; rxq < rxq_number; rxq++) mvpp2_rxq_short_pool_set(port, rxq, @@ -3806,7 +3812,6 @@ static void mvpp2_interrupts_unmask(void *arg) mvpp2_write(port->priv, MVPP2_ISR_RX_TX_MASK_REG(port->id), (MVPP2_CAUSE_MISC_SUM_MASK | - MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK | MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK)); } @@ -4382,23 +4387,6 @@ static void mvpp2_rx_time_coal_set(struct mvpp2_port *port, rxq->time_coal = usec; } -/* Set threshold for TX_DONE pkts coalescing */ -static void mvpp2_tx_done_pkts_coal_set(void *arg) -{ - struct mvpp2_port *port = arg; - int queue; - u32 val; - - for (queue = 0; queue < txq_number; queue++) { - struct mvpp2_tx_queue *txq = port->txqs[queue]; - - val = (txq->done_pkts_coal << MVPP2_TRANSMITTED_THRESH_OFFSET) & - MVPP2_TRANSMITTED_THRESH_MASK; - mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id); - mvpp2_write(port->priv, MVPP2_TXQ_THRESH_REG, val); - } -} - /* Free Tx queue skbuffs */ static void mvpp2_txq_bufs_free(struct mvpp2_port *port, struct mvpp2_tx_queue *txq, @@ -4407,8 +4395,8 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port, int i; for (i = 0; i < num; i++) { - struct mvpp2_tx_desc *tx_desc = txq->descs + - txq_pcpu->txq_get_index; + dma_addr_t buf_phys_addr = + txq_pcpu->tx_buffs[txq_pcpu->txq_get_index]; struct sk_buff *skb = txq_pcpu->tx_skb[txq_pcpu->txq_get_index]; mvpp2_txq_inc_get(txq_pcpu); @@ -4416,8 +4404,8 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port, if (!skb) continue; - dma_unmap_single(port->dev->dev.parent, tx_desc->buf_phys_addr, - tx_desc->data_size, DMA_TO_DEVICE); + dma_unmap_single(port->dev->dev.parent, buf_phys_addr, + skb_headlen(skb), DMA_TO_DEVICE); dev_kfree_skb_any(skb); } } @@ -4433,7 +4421,7 @@ static inline struct mvpp2_rx_queue *mvpp2_get_rx_queue(struct mvpp2_port *port, static inline struct mvpp2_tx_queue *mvpp2_get_tx_queue(struct mvpp2_port *port, u32 cause) { - int queue = fls(cause >> 16) - 1; + int queue = fls(cause) - 1; return port->txqs[queue]; } @@ -4460,6 +4448,29 @@ static void mvpp2_txq_done(struct mvpp2_port *port, struct mvpp2_tx_queue *txq, netif_tx_wake_queue(nq); } +static unsigned int mvpp2_tx_done(struct mvpp2_port *port, u32 cause) +{ + struct mvpp2_tx_queue *txq; + struct mvpp2_txq_pcpu *txq_pcpu; + unsigned int tx_todo = 0; + + while (cause) { + txq = mvpp2_get_tx_queue(port, cause); + if (!txq) + break; + + txq_pcpu = this_cpu_ptr(txq->pcpu); + + if (txq_pcpu->count) { + mvpp2_txq_done(port, txq, txq_pcpu); + tx_todo += txq_pcpu->count; + } + + cause &= ~(1 << txq->log_id); + } + return tx_todo; +} + /* Rx/Tx queue initialization/cleanup methods */ /* Allocate and initialize descriptors for aggr TXQ */ @@ -4649,12 +4660,13 @@ static int mvpp2_txq_init(struct mvpp2_port *port, txq_pcpu->tx_skb = kmalloc(txq_pcpu->size * sizeof(*txq_pcpu->tx_skb), GFP_KERNEL); - if (!txq_pcpu->tx_skb) { - dma_free_coherent(port->dev->dev.parent, - txq->size * MVPP2_DESC_ALIGNED_SIZE, - txq->descs, txq->descs_phys); - return -ENOMEM; - } + if (!txq_pcpu->tx_skb) + goto error; + + txq_pcpu->tx_buffs = kmalloc(txq_pcpu->size * + sizeof(dma_addr_t), GFP_KERNEL); + if (!txq_pcpu->tx_buffs) + goto error; txq_pcpu->count = 0; txq_pcpu->reserved_num = 0; @@ -4663,6 +4675,19 @@ static int mvpp2_txq_init(struct mvpp2_port *port, } return 0; + +error: + for_each_present_cpu(cpu) { + txq_pcpu = per_cpu_ptr(txq->pcpu, cpu); + kfree(txq_pcpu->tx_skb); + kfree(txq_pcpu->tx_buffs); + } + + dma_free_coherent(port->dev->dev.parent, + txq->size * MVPP2_DESC_ALIGNED_SIZE, + txq->descs, txq->descs_phys); + + return -ENOMEM; } /* Free allocated TXQ resources */ @@ -4675,6 +4700,7 @@ static void mvpp2_txq_deinit(struct mvpp2_port *port, for_each_present_cpu(cpu) { txq_pcpu = per_cpu_ptr(txq->pcpu, cpu); kfree(txq_pcpu->tx_skb); + kfree(txq_pcpu->tx_buffs); } if (txq->descs) @@ -4805,7 +4831,6 @@ static int mvpp2_setup_txqs(struct mvpp2_port *port) goto err_cleanup; } - on_each_cpu(mvpp2_tx_done_pkts_coal_set, port, 1); on_each_cpu(mvpp2_txq_sent_counter_clear, port, 1); return 0; @@ -4887,6 +4912,49 @@ static void mvpp2_link_event(struct net_device *dev) } } +static void mvpp2_timer_set(struct mvpp2_port_pcpu *port_pcpu) +{ + ktime_t interval; + + if (!port_pcpu->timer_scheduled) { + port_pcpu->timer_scheduled = true; + interval = ktime_set(0, MVPP2_TXDONE_HRTIMER_PERIOD_NS); + hrtimer_start(&port_pcpu->tx_done_timer, interval, + HRTIMER_MODE_REL_PINNED); + } +} + +static void mvpp2_tx_proc_cb(unsigned long data) +{ + struct net_device *dev = (struct net_device *)data; + struct mvpp2_port *port = netdev_priv(dev); + struct mvpp2_port_pcpu *port_pcpu = this_cpu_ptr(port->pcpu); + unsigned int tx_todo, cause; + + if (!netif_running(dev)) + return; + port_pcpu->timer_scheduled = false; + + /* Process all the Tx queues */ + cause = (1 << txq_number) - 1; + tx_todo = mvpp2_tx_done(port, cause); + + /* Set the timer in case not all the packets were processed */ + if (tx_todo) + mvpp2_timer_set(port_pcpu); +} + +static enum hrtimer_restart mvpp2_hr_timer_cb(struct hrtimer *timer) +{ + struct mvpp2_port_pcpu *port_pcpu = container_of(timer, + struct mvpp2_port_pcpu, + tx_done_timer); + + tasklet_schedule(&port_pcpu->tx_done_tasklet); + + return HRTIMER_NORESTART; +} + /* Main RX/TX processing routines */ /* Display more error info */ @@ -5144,11 +5212,11 @@ static int mvpp2_tx_frag_process(struct mvpp2_port *port, struct sk_buff *skb, if (i == (skb_shinfo(skb)->nr_frags - 1)) { /* Last descriptor */ tx_desc->command = MVPP2_TXD_L_DESC; - mvpp2_txq_inc_put(txq_pcpu, skb); + mvpp2_txq_inc_put(txq_pcpu, skb, tx_desc); } else { /* Descriptor in the middle: Not First, Not Last */ tx_desc->command = 0; - mvpp2_txq_inc_put(txq_pcpu, NULL); + mvpp2_txq_inc_put(txq_pcpu, NULL, tx_desc); } } @@ -5214,12 +5282,12 @@ static int mvpp2_tx(struct sk_buff *skb, struct net_device *dev) /* First and Last descriptor */ tx_cmd |= MVPP2_TXD_F_DESC | MVPP2_TXD_L_DESC; tx_desc->command = tx_cmd; - mvpp2_txq_inc_put(txq_pcpu, skb); + mvpp2_txq_inc_put(txq_pcpu, skb, tx_desc); } else { /* First but not Last */ tx_cmd |= MVPP2_TXD_F_DESC | MVPP2_TXD_PADDING_DISABLE; tx_desc->command = tx_cmd; - mvpp2_txq_inc_put(txq_pcpu, NULL); + mvpp2_txq_inc_put(txq_pcpu, NULL, tx_desc); /* Continue with other skb fragments */ if (mvpp2_tx_frag_process(port, skb, aggr_txq, txq)) { @@ -5255,6 +5323,17 @@ out: dev_kfree_skb_any(skb); } + /* Finalize TX processing */ + if (txq_pcpu->count >= txq->done_pkts_coal) + mvpp2_txq_done(port, txq, txq_pcpu); + + /* Set the timer in case not all frags were processed */ + if (txq_pcpu->count <= frags && txq_pcpu->count > 0) { + struct mvpp2_port_pcpu *port_pcpu = this_cpu_ptr(port->pcpu); + + mvpp2_timer_set(port_pcpu); + } + return NETDEV_TX_OK; } @@ -5268,10 +5347,11 @@ static inline void mvpp2_cause_error(struct net_device *dev, int cause) netdev_err(dev, "tx fifo underrun error\n"); } -static void mvpp2_txq_done_percpu(void *arg) +static int mvpp2_poll(struct napi_struct *napi, int budget) { - struct mvpp2_port *port = arg; - u32 cause_rx_tx, cause_tx, cause_misc; + u32 cause_rx_tx, cause_rx, cause_misc; + int rx_done = 0; + struct mvpp2_port *port = netdev_priv(napi->dev); /* Rx/Tx cause register * @@ -5285,7 +5365,7 @@ static void mvpp2_txq_done_percpu(void *arg) */ cause_rx_tx = mvpp2_read(port->priv, MVPP2_ISR_RX_TX_CAUSE_REG(port->id)); - cause_tx = cause_rx_tx & MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK; + cause_rx_tx &= ~MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK; cause_misc = cause_rx_tx & MVPP2_CAUSE_MISC_SUM_MASK; if (cause_misc) { @@ -5297,26 +5377,6 @@ static void mvpp2_txq_done_percpu(void *arg) cause_rx_tx & ~MVPP2_CAUSE_MISC_SUM_MASK); } - /* Release TX descriptors */ - if (cause_tx) { - struct mvpp2_tx_queue *txq = mvpp2_get_tx_queue(port, cause_tx); - struct mvpp2_txq_pcpu *txq_pcpu = this_cpu_ptr(txq->pcpu); - - if (txq_pcpu->count) - mvpp2_txq_done(port, txq, txq_pcpu); - } -} - -static int mvpp2_poll(struct napi_struct *napi, int budget) -{ - u32 cause_rx_tx, cause_rx; - int rx_done = 0; - struct mvpp2_port *port = netdev_priv(napi->dev); - - on_each_cpu(mvpp2_txq_done_percpu, port, 1); - - cause_rx_tx = mvpp2_read(port->priv, - MVPP2_ISR_RX_TX_CAUSE_REG(port->id)); cause_rx = cause_rx_tx & MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK; /* Process RX packets */ @@ -5561,6 +5621,8 @@ err_cleanup_rxqs: static int mvpp2_stop(struct net_device *dev) { struct mvpp2_port *port = netdev_priv(dev); + struct mvpp2_port_pcpu *port_pcpu; + int cpu; mvpp2_stop_dev(port); mvpp2_phy_disconnect(port); @@ -5569,6 +5631,13 @@ static int mvpp2_stop(struct net_device *dev) on_each_cpu(mvpp2_interrupts_mask, port, 1); free_irq(port->irq, port); + for_each_present_cpu(cpu) { + port_pcpu = per_cpu_ptr(port->pcpu, cpu); + + hrtimer_cancel(&port_pcpu->tx_done_timer); + port_pcpu->timer_scheduled = false; + tasklet_kill(&port_pcpu->tx_done_tasklet); + } mvpp2_cleanup_rxqs(port); mvpp2_cleanup_txqs(port); @@ -5784,7 +5853,6 @@ static int mvpp2_ethtool_set_coalesce(struct net_device *dev, txq->done_pkts_coal = c->tx_max_coalesced_frames; } - on_each_cpu(mvpp2_tx_done_pkts_coal_set, port, 1); return 0; } @@ -6035,6 +6103,7 @@ static int mvpp2_port_probe(struct platform_device *pdev, { struct device_node *phy_node; struct mvpp2_port *port; + struct mvpp2_port_pcpu *port_pcpu; struct net_device *dev; struct resource *res; const char *dt_mac_addr; @@ -6044,7 +6113,7 @@ static int mvpp2_port_probe(struct platform_device *pdev, int features; int phy_mode; int priv_common_regs_num = 2; - int err, i; + int err, i, cpu; dev = alloc_etherdev_mqs(sizeof(struct mvpp2_port), txq_number, rxq_number); @@ -6135,6 +6204,24 @@ static int mvpp2_port_probe(struct platform_device *pdev, } mvpp2_port_power_up(port); + port->pcpu = alloc_percpu(struct mvpp2_port_pcpu); + if (!port->pcpu) { + err = -ENOMEM; + goto err_free_txq_pcpu; + } + + for_each_present_cpu(cpu) { + port_pcpu = per_cpu_ptr(port->pcpu, cpu); + + hrtimer_init(&port_pcpu->tx_done_timer, CLOCK_MONOTONIC, + HRTIMER_MODE_REL_PINNED); + port_pcpu->tx_done_timer.function = mvpp2_hr_timer_cb; + port_pcpu->timer_scheduled = false; + + tasklet_init(&port_pcpu->tx_done_tasklet, mvpp2_tx_proc_cb, + (unsigned long)dev); + } + netif_napi_add(dev, &port->napi, mvpp2_poll, NAPI_POLL_WEIGHT); features = NETIF_F_SG | NETIF_F_IP_CSUM; dev->features = features | NETIF_F_RXCSUM; @@ -6144,7 +6231,7 @@ static int mvpp2_port_probe(struct platform_device *pdev, err = register_netdev(dev); if (err < 0) { dev_err(&pdev->dev, "failed to register netdev\n"); - goto err_free_txq_pcpu; + goto err_free_port_pcpu; } netdev_info(dev, "Using %s mac address %pM\n", mac_from, dev->dev_addr); @@ -6153,6 +6240,8 @@ static int mvpp2_port_probe(struct platform_device *pdev, priv->port_list[id] = port; return 0; +err_free_port_pcpu: + free_percpu(port->pcpu); err_free_txq_pcpu: for (i = 0; i < txq_number; i++) free_percpu(port->txqs[i]->pcpu); @@ -6171,6 +6260,7 @@ static void mvpp2_port_remove(struct mvpp2_port *port) int i; unregister_netdev(port->dev); + free_percpu(port->pcpu); free_percpu(port->stats); for (i = 0; i < txq_number; i++) free_percpu(port->txqs[i]->pcpu); diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index 82040137d7d9..0a3202047569 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -686,6 +686,7 @@ static int mlx4_cmd_wait(struct mlx4_dev *dev, u64 in_param, u64 *out_param, { struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; struct mlx4_cmd_context *context; + long ret_wait; int err = 0; down(&cmd->event_sem); @@ -711,8 +712,20 @@ static int mlx4_cmd_wait(struct mlx4_dev *dev, u64 in_param, u64 *out_param, if (err) goto out_reset; - if (!wait_for_completion_timeout(&context->done, - msecs_to_jiffies(timeout))) { + if (op == MLX4_CMD_SENSE_PORT) { + ret_wait = + wait_for_completion_interruptible_timeout(&context->done, + msecs_to_jiffies(timeout)); + if (ret_wait < 0) { + context->fw_status = 0; + context->out_param = 0; + context->result = 0; + } + } else { + ret_wait = (long)wait_for_completion_timeout(&context->done, + msecs_to_jiffies(timeout)); + } + if (!ret_wait) { mlx4_warn(dev, "command 0x%x timed out (go bit not cleared)\n", op); if (op == MLX4_CMD_NOP) { diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 7a4f20bb7fcb..9c145dddd717 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -246,7 +246,6 @@ static int mlx4_en_prepare_rx_desc(struct mlx4_en_priv *priv, static inline bool mlx4_en_is_ring_empty(struct mlx4_en_rx_ring *ring) { - BUG_ON((u32)(ring->prod - ring->cons) > ring->actual_size); return ring->prod == ring->cons; } diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index aae13adfb492..8e81e53c370e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -601,7 +601,7 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq) continue; mlx4_dbg(dev, "%s: Sending MLX4_PORT_CHANGE_SUBTYPE_DOWN to slave: %d, port:%d\n", __func__, i, port); - s_info = &priv->mfunc.master.vf_oper[slave].vport[port].state; + s_info = &priv->mfunc.master.vf_oper[i].vport[port].state; if (IFLA_VF_LINK_STATE_AUTO == s_info->link_state) { eqe->event.port_change.port = cpu_to_be32( @@ -640,7 +640,7 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq) continue; if (i == mlx4_master_func_num(dev)) continue; - s_info = &priv->mfunc.master.vf_oper[slave].vport[port].state; + s_info = &priv->mfunc.master.vf_oper[i].vport[port].state; if (IFLA_VF_LINK_STATE_AUTO == s_info->link_state) { eqe->event.port_change.port = cpu_to_be32( diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 12fbfcb44d8a..29c2a017a450 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -2273,6 +2273,11 @@ static int mlx4_allocate_default_counters(struct mlx4_dev *dev) } else if (err == -ENOENT) { err = 0; continue; + } else if (mlx4_is_slave(dev) && err == -EINVAL) { + priv->def_counter[port] = MLX4_SINK_COUNTER_INDEX(dev); + mlx4_warn(dev, "can't allocate counter from old PF driver, using index %d\n", + MLX4_SINK_COUNTER_INDEX(dev)); + err = 0; } else { mlx4_err(dev, "%s: failed to allocate default counter port %d err %d\n", __func__, port + 1, err); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index afad529838de..06e3e1e54c35 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -391,6 +391,8 @@ static int handle_hca_cap(struct mlx5_core_dev *dev) /* disable cmdif checksum */ MLX5_SET(cmd_hca_cap, set_hca_cap, cmdif_checksum, 0); + MLX5_SET(cmd_hca_cap, set_hca_cap, log_uar_page_sz, PAGE_SHIFT - 12); + err = set_caps(dev, set_ctx, set_sz); query_ex: diff --git a/drivers/net/ethernet/micrel/ks8842.c b/drivers/net/ethernet/micrel/ks8842.c index f78909a00f15..09d2e16fd6b0 100644 --- a/drivers/net/ethernet/micrel/ks8842.c +++ b/drivers/net/ethernet/micrel/ks8842.c @@ -952,9 +952,8 @@ static int ks8842_alloc_dma_bufs(struct net_device *netdev) sg_dma_address(&tx_ctl->sg) = dma_map_single(adapter->dev, tx_ctl->buf, DMA_BUFFER_SIZE, DMA_TO_DEVICE); - err = dma_mapping_error(adapter->dev, - sg_dma_address(&tx_ctl->sg)); - if (err) { + if (dma_mapping_error(adapter->dev, sg_dma_address(&tx_ctl->sg))) { + err = -ENOMEM; sg_dma_address(&tx_ctl->sg) = 0; goto err; } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c index 33669c29b341..753ea8bad953 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c @@ -1415,7 +1415,7 @@ static int qlcnic_83xx_copy_fw_file(struct qlcnic_adapter *adapter) if (fw->size & 0xF) { addr = dest + size; for (i = 0; i < (fw->size & 0xF); i++) - data[i] = temp[size + i]; + data[i] = ((u8 *)temp)[size + i]; for (; i < 16; i++) data[i] = 0; ret = qlcnic_ms_mem_write128(adapter, addr, diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 3df51faf18ae..f790f61ea78a 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -4875,10 +4875,12 @@ static void rtl_init_rxcfg(struct rtl8169_private *tp) case RTL_GIGA_MAC_VER_46: case RTL_GIGA_MAC_VER_47: case RTL_GIGA_MAC_VER_48: + RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST | RX_EARLY_OFF); + break; case RTL_GIGA_MAC_VER_49: case RTL_GIGA_MAC_VER_50: case RTL_GIGA_MAC_VER_51: - RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST | RX_EARLY_OFF); + RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); break; default: RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST); diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index fd9745714d90..78849dd4ef8e 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -228,9 +228,7 @@ static void ravb_ring_format(struct net_device *ndev, int q) struct ravb_desc *desc = NULL; int rx_ring_size = sizeof(*rx_desc) * priv->num_rx_ring[q]; int tx_ring_size = sizeof(*tx_desc) * priv->num_tx_ring[q]; - struct sk_buff *skb; dma_addr_t dma_addr; - void *buffer; int i; priv->cur_rx[q] = 0; @@ -241,41 +239,28 @@ static void ravb_ring_format(struct net_device *ndev, int q) memset(priv->rx_ring[q], 0, rx_ring_size); /* Build RX ring buffer */ for (i = 0; i < priv->num_rx_ring[q]; i++) { - priv->rx_skb[q][i] = NULL; - skb = netdev_alloc_skb(ndev, PKT_BUF_SZ + RAVB_ALIGN - 1); - if (!skb) - break; - ravb_set_buffer_align(skb); /* RX descriptor */ rx_desc = &priv->rx_ring[q][i]; /* The size of the buffer should be on 16-byte boundary. */ rx_desc->ds_cc = cpu_to_le16(ALIGN(PKT_BUF_SZ, 16)); - dma_addr = dma_map_single(&ndev->dev, skb->data, + dma_addr = dma_map_single(&ndev->dev, priv->rx_skb[q][i]->data, ALIGN(PKT_BUF_SZ, 16), DMA_FROM_DEVICE); - if (dma_mapping_error(&ndev->dev, dma_addr)) { - dev_kfree_skb(skb); - break; - } - priv->rx_skb[q][i] = skb; + /* We just set the data size to 0 for a failed mapping which + * should prevent DMA from happening... + */ + if (dma_mapping_error(&ndev->dev, dma_addr)) + rx_desc->ds_cc = cpu_to_le16(0); rx_desc->dptr = cpu_to_le32(dma_addr); rx_desc->die_dt = DT_FEMPTY; } rx_desc = &priv->rx_ring[q][i]; rx_desc->dptr = cpu_to_le32((u32)priv->rx_desc_dma[q]); rx_desc->die_dt = DT_LINKFIX; /* type */ - priv->dirty_rx[q] = (u32)(i - priv->num_rx_ring[q]); memset(priv->tx_ring[q], 0, tx_ring_size); /* Build TX ring buffer */ for (i = 0; i < priv->num_tx_ring[q]; i++) { - priv->tx_skb[q][i] = NULL; - priv->tx_buffers[q][i] = NULL; - buffer = kmalloc(PKT_BUF_SZ + RAVB_ALIGN - 1, GFP_KERNEL); - if (!buffer) - break; - /* Aligned TX buffer */ - priv->tx_buffers[q][i] = buffer; tx_desc = &priv->tx_ring[q][i]; tx_desc->die_dt = DT_EEMPTY; } @@ -298,7 +283,10 @@ static void ravb_ring_format(struct net_device *ndev, int q) static int ravb_ring_init(struct net_device *ndev, int q) { struct ravb_private *priv = netdev_priv(ndev); + struct sk_buff *skb; int ring_size; + void *buffer; + int i; /* Allocate RX and TX skb rings */ priv->rx_skb[q] = kcalloc(priv->num_rx_ring[q], @@ -308,12 +296,28 @@ static int ravb_ring_init(struct net_device *ndev, int q) if (!priv->rx_skb[q] || !priv->tx_skb[q]) goto error; + for (i = 0; i < priv->num_rx_ring[q]; i++) { + skb = netdev_alloc_skb(ndev, PKT_BUF_SZ + RAVB_ALIGN - 1); + if (!skb) + goto error; + ravb_set_buffer_align(skb); + priv->rx_skb[q][i] = skb; + } + /* Allocate rings for the aligned buffers */ priv->tx_buffers[q] = kcalloc(priv->num_tx_ring[q], sizeof(*priv->tx_buffers[q]), GFP_KERNEL); if (!priv->tx_buffers[q]) goto error; + for (i = 0; i < priv->num_tx_ring[q]; i++) { + buffer = kmalloc(PKT_BUF_SZ + RAVB_ALIGN - 1, GFP_KERNEL); + if (!buffer) + goto error; + /* Aligned TX buffer */ + priv->tx_buffers[q][i] = buffer; + } + /* Allocate all RX descriptors. */ ring_size = sizeof(struct ravb_ex_rx_desc) * (priv->num_rx_ring[q] + 1); priv->rx_ring[q] = dma_alloc_coherent(NULL, ring_size, @@ -524,6 +528,10 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q) if (--boguscnt < 0) break; + /* We use 0-byte descriptors to mark the DMA mapping errors */ + if (!pkt_len) + continue; + if (desc_status & MSC_MC) stats->multicast++; @@ -543,10 +551,9 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q) skb = priv->rx_skb[q][entry]; priv->rx_skb[q][entry] = NULL; - dma_sync_single_for_cpu(&ndev->dev, - le32_to_cpu(desc->dptr), - ALIGN(PKT_BUF_SZ, 16), - DMA_FROM_DEVICE); + dma_unmap_single(&ndev->dev, le32_to_cpu(desc->dptr), + ALIGN(PKT_BUF_SZ, 16), + DMA_FROM_DEVICE); get_ts &= (q == RAVB_NC) ? RAVB_RXTSTAMP_TYPE_V2_L2_EVENT : ~RAVB_RXTSTAMP_TYPE_V2_L2_EVENT; @@ -584,17 +591,15 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q) if (!skb) break; /* Better luck next round. */ ravb_set_buffer_align(skb); - dma_unmap_single(&ndev->dev, le32_to_cpu(desc->dptr), - ALIGN(PKT_BUF_SZ, 16), - DMA_FROM_DEVICE); dma_addr = dma_map_single(&ndev->dev, skb->data, le16_to_cpu(desc->ds_cc), DMA_FROM_DEVICE); skb_checksum_none_assert(skb); - if (dma_mapping_error(&ndev->dev, dma_addr)) { - dev_kfree_skb_any(skb); - break; - } + /* We just set the data size to 0 for a failed mapping + * which should prevent DMA from happening... + */ + if (dma_mapping_error(&ndev->dev, dma_addr)) + desc->ds_cc = cpu_to_le16(0); desc->dptr = cpu_to_le32(dma_addr); priv->rx_skb[q][entry] = skb; } @@ -1279,7 +1284,6 @@ static netdev_tx_t ravb_start_xmit(struct sk_buff *skb, struct net_device *ndev) u32 dma_addr; void *buffer; u32 entry; - u32 tccr; spin_lock_irqsave(&priv->lock, flags); if (priv->cur_tx[q] - priv->dirty_tx[q] >= priv->num_tx_ring[q]) { @@ -1328,9 +1332,7 @@ static netdev_tx_t ravb_start_xmit(struct sk_buff *skb, struct net_device *ndev) dma_wmb(); desc->die_dt = DT_FSINGLE; - tccr = ravb_read(ndev, TCCR); - if (!(tccr & (TCCR_TSRQ0 << q))) - ravb_write(ndev, tccr | (TCCR_TSRQ0 << q), TCCR); + ravb_write(ndev, ravb_read(ndev, TCCR) | (TCCR_TSRQ0 << q), TCCR); priv->cur_tx[q]++; if (priv->cur_tx[q] - priv->dirty_tx[q] >= priv->num_tx_ring[q] && diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c index 2d8578cade03..2e7f9a2834be 100644 --- a/drivers/net/ethernet/rocker/rocker.c +++ b/drivers/net/ethernet/rocker/rocker.c @@ -4821,6 +4821,7 @@ static void rocker_remove_ports(const struct rocker *rocker) rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, ROCKER_OP_FLAG_REMOVE); unregister_netdev(rocker_port->dev); + free_netdev(rocker_port->dev); } kfree(rocker->ports); } diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 605cc8948594..b1a4ea21c91c 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -1282,7 +1282,12 @@ static size_t efx_ef10_update_stats_common(struct efx_nic *efx, u64 *full_stats, } } - if (core_stats) { + if (!core_stats) + return stats_count; + + if (nic_data->datapath_caps & + 1 << MC_CMD_GET_CAPABILITIES_OUT_EVB_LBN) { + /* Use vadaptor stats. */ core_stats->rx_packets = stats[EF10_STAT_rx_unicast] + stats[EF10_STAT_rx_multicast] + stats[EF10_STAT_rx_broadcast]; @@ -1302,6 +1307,26 @@ static size_t efx_ef10_update_stats_common(struct efx_nic *efx, u64 *full_stats, core_stats->rx_fifo_errors = stats[EF10_STAT_rx_overflow]; core_stats->rx_errors = core_stats->rx_crc_errors; core_stats->tx_errors = stats[EF10_STAT_tx_bad]; + } else { + /* Use port stats. */ + core_stats->rx_packets = stats[EF10_STAT_port_rx_packets]; + core_stats->tx_packets = stats[EF10_STAT_port_tx_packets]; + core_stats->rx_bytes = stats[EF10_STAT_port_rx_bytes]; + core_stats->tx_bytes = stats[EF10_STAT_port_tx_bytes]; + core_stats->rx_dropped = stats[EF10_STAT_port_rx_nodesc_drops] + + stats[GENERIC_STAT_rx_nodesc_trunc] + + stats[GENERIC_STAT_rx_noskb_drops]; + core_stats->multicast = stats[EF10_STAT_port_rx_multicast]; + core_stats->rx_length_errors = + stats[EF10_STAT_port_rx_gtjumbo] + + stats[EF10_STAT_port_rx_length_error]; + core_stats->rx_crc_errors = stats[EF10_STAT_port_rx_bad]; + core_stats->rx_frame_errors = + stats[EF10_STAT_port_rx_align_error]; + core_stats->rx_fifo_errors = stats[EF10_STAT_port_rx_overflow]; + core_stats->rx_errors = (core_stats->rx_length_errors + + core_stats->rx_crc_errors + + core_stats->rx_frame_errors); } return stats_count; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c index 7e3129e7f143..f0e4bb4e3ec5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c @@ -42,7 +42,7 @@ #define NSS_COMMON_CLK_DIV_MASK 0x7f #define NSS_COMMON_CLK_SRC_CTRL 0x14 -#define NSS_COMMON_CLK_SRC_CTRL_OFFSET(x) (1 << x) +#define NSS_COMMON_CLK_SRC_CTRL_OFFSET(x) (x) /* Mode is coded on 1 bit but is different depending on the MAC ID: * MAC0: QSGMII=0 RGMII=1 * MAC1: QSGMII=0 SGMII=0 RGMII=1 @@ -291,7 +291,7 @@ static void *ipq806x_gmac_setup(struct platform_device *pdev) /* Configure the clock src according to the mode */ regmap_read(gmac->nss_common, NSS_COMMON_CLK_SRC_CTRL, &val); - val &= ~NSS_COMMON_CLK_SRC_CTRL_OFFSET(gmac->id); + val &= ~(1 << NSS_COMMON_CLK_SRC_CTRL_OFFSET(gmac->id)); switch (gmac->phy_mode) { case PHY_INTERFACE_MODE_RGMII: val |= NSS_COMMON_CLK_SRC_CTRL_RGMII(gmac->id) << diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 50f7a7a26821..864b476f7fd5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2843,7 +2843,7 @@ int stmmac_dvr_probe(struct device *device, if (res->mac) memcpy(priv->dev->dev_addr, res->mac, ETH_ALEN); - dev_set_drvdata(device, priv); + dev_set_drvdata(device, priv->dev); /* Verify driver arguments */ stmmac_verify_args(); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index f3918c7e7eeb..bcdc8955c719 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -413,3 +413,7 @@ static int stmmac_pltfr_resume(struct device *dev) SIMPLE_DEV_PM_OPS(stmmac_pltfr_pm_ops, stmmac_pltfr_suspend, stmmac_pltfr_resume); EXPORT_SYMBOL_GPL(stmmac_pltfr_pm_ops); + +MODULE_DESCRIPTION("STMMAC 10/100/1000 Ethernet platform support"); +MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index 0c5842aeb807..ab6051a43134 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -6658,10 +6658,8 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb, struct sk_buff *skb_new; skb_new = skb_realloc_headroom(skb, len); - if (!skb_new) { - rp->tx_errors++; + if (!skb_new) goto out_drop; - } kfree_skb(skb); skb = skb_new; } else diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index f335bf119ab5..d155bf2573cd 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -793,9 +793,7 @@ static irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id) static int cpsw_poll(struct napi_struct *napi, int budget) { struct cpsw_priv *priv = napi_to_priv(napi); - int num_tx, num_rx; - - num_tx = cpdma_chan_process(priv->txch, 128); + int num_rx; num_rx = cpdma_chan_process(priv->rxch, budget); if (num_rx < budget) { @@ -810,9 +808,8 @@ static int cpsw_poll(struct napi_struct *napi, int budget) } } - if (num_rx || num_tx) - cpsw_dbg(priv, intr, "poll %d rx, %d tx pkts\n", - num_rx, num_tx); + if (num_rx) + cpsw_dbg(priv, intr, "poll %d rx pkts\n", num_rx); return num_rx; } diff --git a/drivers/net/ethernet/ti/netcp.h b/drivers/net/ethernet/ti/netcp.h index bbacf5cccec2..bb1bb72121c0 100644 --- a/drivers/net/ethernet/ti/netcp.h +++ b/drivers/net/ethernet/ti/netcp.h @@ -85,7 +85,6 @@ struct netcp_intf { struct list_head rxhook_list_head; unsigned int rx_queue_id; void *rx_fdq[KNAV_DMA_FDQ_PER_CHAN]; - u32 rx_buffer_sizes[KNAV_DMA_FDQ_PER_CHAN]; struct napi_struct rx_napi; struct napi_struct tx_napi; @@ -223,6 +222,7 @@ void *netcp_device_find_module(struct netcp_device *netcp_device, /* SGMII functions */ int netcp_sgmii_reset(void __iomem *sgmii_ofs, int port); +bool netcp_sgmii_rtreset(void __iomem *sgmii_ofs, int port, bool set); int netcp_sgmii_get_port_link(void __iomem *sgmii_ofs, int port); int netcp_sgmii_config(void __iomem *sgmii_ofs, int port, u32 interface); diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c index 5ec4ed3f6c8d..4755838c6137 100644 --- a/drivers/net/ethernet/ti/netcp_core.c +++ b/drivers/net/ethernet/ti/netcp_core.c @@ -34,6 +34,7 @@ #define NETCP_SOP_OFFSET (NET_IP_ALIGN + NET_SKB_PAD) #define NETCP_NAPI_WEIGHT 64 #define NETCP_TX_TIMEOUT (5 * HZ) +#define NETCP_PACKET_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN) #define NETCP_MIN_PACKET_SIZE ETH_ZLEN #define NETCP_MAX_MCAST_ADDR 16 @@ -804,30 +805,28 @@ static void netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq) if (likely(fdq == 0)) { unsigned int primary_buf_len; /* Allocate a primary receive queue entry */ - buf_len = netcp->rx_buffer_sizes[0] + NETCP_SOP_OFFSET; + buf_len = NETCP_PACKET_SIZE + NETCP_SOP_OFFSET; primary_buf_len = SKB_DATA_ALIGN(buf_len) + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); - if (primary_buf_len <= PAGE_SIZE) { - bufptr = netdev_alloc_frag(primary_buf_len); - pad[1] = primary_buf_len; - } else { - bufptr = kmalloc(primary_buf_len, GFP_ATOMIC | - GFP_DMA32 | __GFP_COLD); - pad[1] = 0; - } + bufptr = netdev_alloc_frag(primary_buf_len); + pad[1] = primary_buf_len; if (unlikely(!bufptr)) { - dev_warn_ratelimited(netcp->ndev_dev, "Primary RX buffer alloc failed\n"); + dev_warn_ratelimited(netcp->ndev_dev, + "Primary RX buffer alloc failed\n"); goto fail; } dma = dma_map_single(netcp->dev, bufptr, buf_len, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(netcp->dev, dma))) + goto fail; + pad[0] = (u32)bufptr; } else { /* Allocate a secondary receive queue entry */ - page = alloc_page(GFP_ATOMIC | GFP_DMA32 | __GFP_COLD); + page = alloc_page(GFP_ATOMIC | GFP_DMA | __GFP_COLD); if (unlikely(!page)) { dev_warn_ratelimited(netcp->ndev_dev, "Secondary page alloc failed\n"); goto fail; @@ -1010,7 +1009,7 @@ netcp_tx_map_skb(struct sk_buff *skb, struct netcp_intf *netcp) /* Map the linear buffer */ dma_addr = dma_map_single(dev, skb->data, pkt_len, DMA_TO_DEVICE); - if (unlikely(!dma_addr)) { + if (unlikely(dma_mapping_error(dev, dma_addr))) { dev_err(netcp->ndev_dev, "Failed to map skb buffer\n"); return NULL; } @@ -1546,8 +1545,8 @@ static int netcp_setup_navigator_resources(struct net_device *ndev) knav_queue_disable_notify(netcp->rx_queue); /* open Rx FDQs */ - for (i = 0; i < KNAV_DMA_FDQ_PER_CHAN && - netcp->rx_queue_depths[i] && netcp->rx_buffer_sizes[i]; ++i) { + for (i = 0; i < KNAV_DMA_FDQ_PER_CHAN && netcp->rx_queue_depths[i]; + ++i) { snprintf(name, sizeof(name), "rx-fdq-%s-%d", ndev->name, i); netcp->rx_fdq[i] = knav_queue_open(name, KNAV_QUEUE_GP, 0); if (IS_ERR_OR_NULL(netcp->rx_fdq[i])) { @@ -1617,11 +1616,11 @@ static int netcp_ndo_open(struct net_device *ndev) } mutex_unlock(&netcp_modules_lock); - netcp_rxpool_refill(netcp); napi_enable(&netcp->rx_napi); napi_enable(&netcp->tx_napi); knav_queue_enable_notify(netcp->tx_compl_q); knav_queue_enable_notify(netcp->rx_queue); + netcp_rxpool_refill(netcp); netif_tx_wake_all_queues(ndev); dev_dbg(netcp->ndev_dev, "netcp device %s opened\n", ndev->name); return 0; @@ -1941,14 +1940,6 @@ static int netcp_create_interface(struct netcp_device *netcp_device, netcp->rx_queue_depths[0] = 128; } - ret = of_property_read_u32_array(node_interface, "rx-buffer-size", - netcp->rx_buffer_sizes, - KNAV_DMA_FDQ_PER_CHAN); - if (ret) { - dev_err(dev, "missing \"rx-buffer-size\" parameter\n"); - netcp->rx_buffer_sizes[0] = 1536; - } - ret = of_property_read_u32_array(node_interface, "rx-pool", temp, 2); if (ret < 0) { dev_err(dev, "missing \"rx-pool\" parameter\n"); @@ -2112,6 +2103,7 @@ probe_quit: static int netcp_remove(struct platform_device *pdev) { struct netcp_device *netcp_device = platform_get_drvdata(pdev); + struct netcp_intf *netcp_intf, *netcp_tmp; struct netcp_inst_modpriv *inst_modpriv, *tmp; struct netcp_module *module; @@ -2123,10 +2115,17 @@ static int netcp_remove(struct platform_device *pdev) list_del(&inst_modpriv->inst_list); kfree(inst_modpriv); } - WARN(!list_empty(&netcp_device->interface_head), "%s interface list not empty!\n", - pdev->name); - devm_kfree(&pdev->dev, netcp_device); + /* now that all modules are removed, clean up the interfaces */ + list_for_each_entry_safe(netcp_intf, netcp_tmp, + &netcp_device->interface_head, + interface_list) { + netcp_delete_interface(netcp_device, netcp_intf->ndev); + } + + WARN(!list_empty(&netcp_device->interface_head), + "%s interface list not empty!\n", pdev->name); + pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); platform_set_drvdata(pdev, NULL); diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c index 9b7e0a34c98b..1974a8ae764a 100644 --- a/drivers/net/ethernet/ti/netcp_ethss.c +++ b/drivers/net/ethernet/ti/netcp_ethss.c @@ -1901,11 +1901,28 @@ static void gbe_port_config(struct gbe_priv *gbe_dev, struct gbe_slave *slave, writel(slave->mac_control, GBE_REG_ADDR(slave, emac_regs, mac_control)); } +static void gbe_sgmii_rtreset(struct gbe_priv *priv, + struct gbe_slave *slave, bool set) +{ + void __iomem *sgmii_port_regs; + + if (SLAVE_LINK_IS_XGMII(slave)) + return; + + if ((priv->ss_version == GBE_SS_VERSION_14) && (slave->slave_num >= 2)) + sgmii_port_regs = priv->sgmii_port34_regs; + else + sgmii_port_regs = priv->sgmii_port_regs; + + netcp_sgmii_rtreset(sgmii_port_regs, slave->slave_num, set); +} + static void gbe_slave_stop(struct gbe_intf *intf) { struct gbe_priv *gbe_dev = intf->gbe_dev; struct gbe_slave *slave = intf->slave; + gbe_sgmii_rtreset(gbe_dev, slave, true); gbe_port_reset(slave); /* Disable forwarding */ cpsw_ale_control_set(gbe_dev->ale, slave->port_num, @@ -1947,6 +1964,7 @@ static int gbe_slave_open(struct gbe_intf *gbe_intf) gbe_sgmii_config(priv, slave); gbe_port_reset(slave); + gbe_sgmii_rtreset(priv, slave, false); gbe_port_config(priv, slave, priv->rx_packet_max); gbe_set_slave_mac(slave, gbe_intf); /* enable forwarding */ @@ -2490,10 +2508,9 @@ static void free_secondary_ports(struct gbe_priv *gbe_dev) { struct gbe_slave *slave; - for (;;) { + while (!list_empty(&gbe_dev->secondary_slaves)) { slave = first_sec_slave(gbe_dev); - if (!slave) - break; + if (slave->phy) phy_disconnect(slave->phy); list_del(&slave->slave_list); @@ -2839,14 +2856,13 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, &gbe_dev->dma_chan_name); if (ret < 0) { dev_err(dev, "missing \"tx-channel\" parameter\n"); - ret = -ENODEV; - goto quit; + return -EINVAL; } if (!strcmp(node->name, "gbe")) { ret = get_gbe_resource_version(gbe_dev, node); if (ret) - goto quit; + return ret; dev_dbg(dev, "ss_version: 0x%08x\n", gbe_dev->ss_version); @@ -2857,22 +2873,20 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, else ret = -ENODEV; - if (ret) - goto quit; } else if (!strcmp(node->name, "xgbe")) { ret = set_xgbe_ethss10_priv(gbe_dev, node); if (ret) - goto quit; + return ret; ret = netcp_xgbe_serdes_init(gbe_dev->xgbe_serdes_regs, gbe_dev->ss_regs); - if (ret) - goto quit; } else { dev_err(dev, "unknown GBE node(%s)\n", node->name); ret = -ENODEV; - goto quit; } + if (ret) + return ret; + interfaces = of_get_child_by_name(node, "interfaces"); if (!interfaces) dev_err(dev, "could not find interfaces\n"); @@ -2880,11 +2894,11 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, ret = netcp_txpipe_init(&gbe_dev->tx_pipe, netcp_device, gbe_dev->dma_chan_name, gbe_dev->tx_queue_id); if (ret) - goto quit; + return ret; ret = netcp_txpipe_open(&gbe_dev->tx_pipe); if (ret) - goto quit; + return ret; /* Create network interfaces */ INIT_LIST_HEAD(&gbe_dev->gbe_intf_head); @@ -2899,6 +2913,7 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, if (gbe_dev->num_slaves >= gbe_dev->max_num_slaves) break; } + of_node_put(interfaces); if (!gbe_dev->num_slaves) dev_warn(dev, "No network interface configured\n"); @@ -2911,9 +2926,10 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, of_node_put(secondary_ports); if (!gbe_dev->num_slaves) { - dev_err(dev, "No network interface or secondary ports configured\n"); + dev_err(dev, + "No network interface or secondary ports configured\n"); ret = -ENODEV; - goto quit; + goto free_sec_ports; } memset(&ale_params, 0, sizeof(ale_params)); @@ -2927,7 +2943,7 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, if (!gbe_dev->ale) { dev_err(gbe_dev->dev, "error initializing ale engine\n"); ret = -ENODEV; - goto quit; + goto free_sec_ports; } else { dev_dbg(gbe_dev->dev, "Created a gbe ale engine\n"); } @@ -2943,14 +2959,8 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev, *inst_priv = gbe_dev; return 0; -quit: - if (gbe_dev->hw_stats) - devm_kfree(dev, gbe_dev->hw_stats); - cpsw_ale_destroy(gbe_dev->ale); - if (gbe_dev->ss_regs) - devm_iounmap(dev, gbe_dev->ss_regs); - of_node_put(interfaces); - devm_kfree(dev, gbe_dev); +free_sec_ports: + free_secondary_ports(gbe_dev); return ret; } @@ -3023,12 +3033,9 @@ static int gbe_remove(struct netcp_device *netcp_device, void *inst_priv) free_secondary_ports(gbe_dev); if (!list_empty(&gbe_dev->gbe_intf_head)) - dev_alert(gbe_dev->dev, "unreleased ethss interfaces present\n"); + dev_alert(gbe_dev->dev, + "unreleased ethss interfaces present\n"); - devm_kfree(gbe_dev->dev, gbe_dev->hw_stats); - devm_iounmap(gbe_dev->dev, gbe_dev->ss_regs); - memset(gbe_dev, 0x00, sizeof(*gbe_dev)); - devm_kfree(gbe_dev->dev, gbe_dev); return 0; } diff --git a/drivers/net/ethernet/ti/netcp_sgmii.c b/drivers/net/ethernet/ti/netcp_sgmii.c index dbeb14266e2f..5d8419f658d0 100644 --- a/drivers/net/ethernet/ti/netcp_sgmii.c +++ b/drivers/net/ethernet/ti/netcp_sgmii.c @@ -18,6 +18,9 @@ #include "netcp.h" +#define SGMII_SRESET_RESET BIT(0) +#define SGMII_SRESET_RTRESET BIT(1) + #define SGMII_REG_STATUS_LOCK BIT(4) #define SGMII_REG_STATUS_LINK BIT(0) #define SGMII_REG_STATUS_AUTONEG BIT(2) @@ -51,12 +54,35 @@ static void sgmii_write_reg_bit(void __iomem *base, int reg, u32 val) int netcp_sgmii_reset(void __iomem *sgmii_ofs, int port) { /* Soft reset */ - sgmii_write_reg_bit(sgmii_ofs, SGMII_SRESET_REG(port), 0x1); - while (sgmii_read_reg(sgmii_ofs, SGMII_SRESET_REG(port)) != 0x0) + sgmii_write_reg_bit(sgmii_ofs, SGMII_SRESET_REG(port), + SGMII_SRESET_RESET); + + while ((sgmii_read_reg(sgmii_ofs, SGMII_SRESET_REG(port)) & + SGMII_SRESET_RESET) != 0x0) ; + return 0; } +/* port is 0 based */ +bool netcp_sgmii_rtreset(void __iomem *sgmii_ofs, int port, bool set) +{ + u32 reg; + bool oldval; + + /* Initiate a soft reset */ + reg = sgmii_read_reg(sgmii_ofs, SGMII_SRESET_REG(port)); + oldval = (reg & SGMII_SRESET_RTRESET) != 0x0; + if (set) + reg |= SGMII_SRESET_RTRESET; + else + reg &= ~SGMII_SRESET_RTRESET; + sgmii_write_reg(sgmii_ofs, SGMII_SRESET_REG(port), reg); + wmb(); + + return oldval; +} + int netcp_sgmii_get_port_link(void __iomem *sgmii_ofs, int port) { u32 status = 0, link = 0; diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index 2ffbf13471d0..216bfd350169 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -728,11 +728,12 @@ static int mkiss_open(struct tty_struct *tty) dev->type = ARPHRD_AX25; /* Perform the low-level AX25 initialization. */ - if ((err = ax_open(ax->dev))) { + err = ax_open(ax->dev); + if (err) goto out_free_netdev; - } - if (register_netdev(dev)) + err = register_netdev(dev); + if (err) goto out_free_buffers; /* after register_netdev() - because else printk smashes the kernel */ diff --git a/drivers/net/ipvlan/ipvlan.h b/drivers/net/ipvlan/ipvlan.h index 953a97492fab..9542b7bac61a 100644 --- a/drivers/net/ipvlan/ipvlan.h +++ b/drivers/net/ipvlan/ipvlan.h @@ -67,8 +67,6 @@ struct ipvl_dev { struct ipvl_port *port; struct net_device *phy_dev; struct list_head addrs; - int ipv4cnt; - int ipv6cnt; struct ipvl_pcpu_stats __percpu *pcpu_stats; DECLARE_BITMAP(mac_filters, IPVLAN_MAC_FILTER_SIZE); netdev_features_t sfeatures; @@ -106,6 +104,11 @@ static inline struct ipvl_port *ipvlan_port_get_rcu(const struct net_device *d) return rcu_dereference(d->rx_handler_data); } +static inline struct ipvl_port *ipvlan_port_get_rcu_bh(const struct net_device *d) +{ + return rcu_dereference_bh(d->rx_handler_data); +} + static inline struct ipvl_port *ipvlan_port_get_rtnl(const struct net_device *d) { return rtnl_dereference(d->rx_handler_data); @@ -124,5 +127,5 @@ struct ipvl_addr *ipvlan_find_addr(const struct ipvl_dev *ipvlan, bool ipvlan_addr_busy(struct ipvl_port *port, void *iaddr, bool is_v6); struct ipvl_addr *ipvlan_ht_addr_lookup(const struct ipvl_port *port, const void *iaddr, bool is_v6); -void ipvlan_ht_addr_del(struct ipvl_addr *addr, bool sync); +void ipvlan_ht_addr_del(struct ipvl_addr *addr); #endif /* __IPVLAN_H */ diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c index 8afbedad620d..207f62e8de9a 100644 --- a/drivers/net/ipvlan/ipvlan_core.c +++ b/drivers/net/ipvlan/ipvlan_core.c @@ -85,11 +85,9 @@ void ipvlan_ht_addr_add(struct ipvl_dev *ipvlan, struct ipvl_addr *addr) hlist_add_head_rcu(&addr->hlnode, &port->hlhead[hash]); } -void ipvlan_ht_addr_del(struct ipvl_addr *addr, bool sync) +void ipvlan_ht_addr_del(struct ipvl_addr *addr) { hlist_del_init_rcu(&addr->hlnode); - if (sync) - synchronize_rcu(); } struct ipvl_addr *ipvlan_find_addr(const struct ipvl_dev *ipvlan, @@ -531,7 +529,7 @@ static int ipvlan_xmit_mode_l2(struct sk_buff *skb, struct net_device *dev) int ipvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev) { struct ipvl_dev *ipvlan = netdev_priv(dev); - struct ipvl_port *port = ipvlan_port_get_rcu(ipvlan->phy_dev); + struct ipvl_port *port = ipvlan_port_get_rcu_bh(ipvlan->phy_dev); if (!port) goto out; diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index 1acc283160d9..20b58bdecf75 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -153,10 +153,9 @@ static int ipvlan_open(struct net_device *dev) else dev->flags &= ~IFF_NOARP; - if (ipvlan->ipv6cnt > 0 || ipvlan->ipv4cnt > 0) { - list_for_each_entry(addr, &ipvlan->addrs, anode) - ipvlan_ht_addr_add(ipvlan, addr); - } + list_for_each_entry(addr, &ipvlan->addrs, anode) + ipvlan_ht_addr_add(ipvlan, addr); + return dev_uc_add(phy_dev, phy_dev->dev_addr); } @@ -171,10 +170,9 @@ static int ipvlan_stop(struct net_device *dev) dev_uc_del(phy_dev, phy_dev->dev_addr); - if (ipvlan->ipv6cnt > 0 || ipvlan->ipv4cnt > 0) { - list_for_each_entry(addr, &ipvlan->addrs, anode) - ipvlan_ht_addr_del(addr, !dev->dismantle); - } + list_for_each_entry(addr, &ipvlan->addrs, anode) + ipvlan_ht_addr_del(addr); + return 0; } @@ -471,8 +469,6 @@ static int ipvlan_link_new(struct net *src_net, struct net_device *dev, ipvlan->port = port; ipvlan->sfeatures = IPVLAN_FEATURES; INIT_LIST_HEAD(&ipvlan->addrs); - ipvlan->ipv4cnt = 0; - ipvlan->ipv6cnt = 0; /* TODO Probably put random address here to be presented to the * world but keep using the physical-dev address for the outgoing @@ -508,12 +504,12 @@ static void ipvlan_link_delete(struct net_device *dev, struct list_head *head) struct ipvl_dev *ipvlan = netdev_priv(dev); struct ipvl_addr *addr, *next; - if (ipvlan->ipv6cnt > 0 || ipvlan->ipv4cnt > 0) { - list_for_each_entry_safe(addr, next, &ipvlan->addrs, anode) { - ipvlan_ht_addr_del(addr, !dev->dismantle); - list_del(&addr->anode); - } + list_for_each_entry_safe(addr, next, &ipvlan->addrs, anode) { + ipvlan_ht_addr_del(addr); + list_del(&addr->anode); + kfree_rcu(addr, rcu); } + list_del_rcu(&ipvlan->pnode); unregister_netdevice_queue(dev, head); netdev_upper_dev_unlink(ipvlan->phy_dev, dev); @@ -627,7 +623,7 @@ static int ipvlan_add_addr6(struct ipvl_dev *ipvlan, struct in6_addr *ip6_addr) memcpy(&addr->ip6addr, ip6_addr, sizeof(struct in6_addr)); addr->atype = IPVL_IPV6; list_add_tail(&addr->anode, &ipvlan->addrs); - ipvlan->ipv6cnt++; + /* If the interface is not up, the address will be added to the hash * list by ipvlan_open. */ @@ -645,10 +641,8 @@ static void ipvlan_del_addr6(struct ipvl_dev *ipvlan, struct in6_addr *ip6_addr) if (!addr) return; - ipvlan_ht_addr_del(addr, true); + ipvlan_ht_addr_del(addr); list_del(&addr->anode); - ipvlan->ipv6cnt--; - WARN_ON(ipvlan->ipv6cnt < 0); kfree_rcu(addr, rcu); return; @@ -661,6 +655,10 @@ static int ipvlan_addr6_event(struct notifier_block *unused, struct net_device *dev = (struct net_device *)if6->idev->dev; struct ipvl_dev *ipvlan = netdev_priv(dev); + /* FIXME IPv6 autoconf calls us from bh without RTNL */ + if (in_softirq()) + return NOTIFY_DONE; + if (!netif_is_ipvlan(dev)) return NOTIFY_DONE; @@ -699,7 +697,7 @@ static int ipvlan_add_addr4(struct ipvl_dev *ipvlan, struct in_addr *ip4_addr) memcpy(&addr->ip4addr, ip4_addr, sizeof(struct in_addr)); addr->atype = IPVL_IPV4; list_add_tail(&addr->anode, &ipvlan->addrs); - ipvlan->ipv4cnt++; + /* If the interface is not up, the address will be added to the hash * list by ipvlan_open. */ @@ -717,10 +715,8 @@ static void ipvlan_del_addr4(struct ipvl_dev *ipvlan, struct in_addr *ip4_addr) if (!addr) return; - ipvlan_ht_addr_del(addr, true); + ipvlan_ht_addr_del(addr); list_del(&addr->anode); - ipvlan->ipv4cnt--; - WARN_ON(ipvlan->ipv4cnt < 0); kfree_rcu(addr, rcu); return; diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index 3b933bb5a8d5..edd77342773a 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -719,6 +719,7 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m, struct virtio_net_hdr vnet_hdr = { 0 }; int vnet_hdr_len = 0; int copylen = 0; + int depth; bool zerocopy = false; size_t linear; ssize_t n; @@ -804,6 +805,12 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m, skb_probe_transport_header(skb, ETH_HLEN); + /* Move network header to the right position for VLAN tagged packets */ + if ((skb->protocol == htons(ETH_P_8021Q) || + skb->protocol == htons(ETH_P_8021AD)) && + __vlan_get_protocol(skb, skb->protocol, &depth) != 0) + skb_set_network_header(skb, depth); + rcu_read_lock(); vlan = rcu_dereference(q->vlan); /* copy skb_ubuf_info for callback when skb has no error */ diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c index 3cc316cb7e6b..d8757bf9ad75 100644 --- a/drivers/net/ntb_netdev.c +++ b/drivers/net/ntb_netdev.c @@ -102,6 +102,12 @@ static void ntb_netdev_rx_handler(struct ntb_transport_qp *qp, void *qp_data, netdev_dbg(ndev, "%s: %d byte payload received\n", __func__, len); + if (len < 0) { + ndev->stats.rx_errors++; + ndev->stats.rx_length_errors++; + goto enqueue_again; + } + skb_put(skb, len); skb->protocol = eth_type_trans(skb, ndev); skb->ip_summed = CHECKSUM_NONE; @@ -121,6 +127,7 @@ static void ntb_netdev_rx_handler(struct ntb_transport_qp *qp, void *qp_data, return; } +enqueue_again: rc = ntb_transport_rx_enqueue(qp, skb, skb->data, ndev->mtu + ETH_HLEN); if (rc) { dev_kfree_skb(skb); @@ -184,7 +191,7 @@ static int ntb_netdev_open(struct net_device *ndev) rc = ntb_transport_rx_enqueue(dev->qp, skb, skb->data, ndev->mtu + ETH_HLEN); - if (rc == -EINVAL) { + if (rc) { dev_kfree_skb(skb); goto err; } diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index c7a12e2e07b7..8a3bf5469892 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -164,7 +164,7 @@ static int dp83867_config_init(struct phy_device *phydev) return ret; } - if ((phydev->interface >= PHY_INTERFACE_MODE_RGMII_ID) || + if ((phydev->interface >= PHY_INTERFACE_MODE_RGMII_ID) && (phydev->interface <= PHY_INTERFACE_MODE_RGMII_RXID)) { val = phy_read_mmd_indirect(phydev, DP83867_RGMIICTL, DP83867_DEVADDR, phydev->addr); diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c index 1960b46add65..d7a65247f952 100644 --- a/drivers/net/phy/fixed_phy.c +++ b/drivers/net/phy/fixed_phy.c @@ -290,6 +290,15 @@ struct phy_device *fixed_phy_register(unsigned int irq, return ERR_PTR(-EINVAL); } + /* propagate the fixed link values to struct phy_device */ + phy->link = status->link; + if (status->link) { + phy->speed = status->speed; + phy->duplex = status->duplex; + phy->pause = status->pause; + phy->asym_pause = status->asym_pause; + } + of_node_get(np); phy->dev.of_node = np; diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 095ef3fe369a..46a14cbb0215 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -421,6 +421,8 @@ static int mdio_bus_match(struct device *dev, struct device_driver *drv) { struct phy_device *phydev = to_phy_device(dev); struct phy_driver *phydrv = to_phy_driver(drv); + const int num_ids = ARRAY_SIZE(phydev->c45_ids.device_ids); + int i; if (of_driver_match_device(dev, drv)) return 1; @@ -428,8 +430,21 @@ static int mdio_bus_match(struct device *dev, struct device_driver *drv) if (phydrv->match_phy_device) return phydrv->match_phy_device(phydev); - return (phydrv->phy_id & phydrv->phy_id_mask) == - (phydev->phy_id & phydrv->phy_id_mask); + if (phydev->is_c45) { + for (i = 1; i < num_ids; i++) { + if (!(phydev->c45_ids.devices_in_package & (1 << i))) + continue; + + if ((phydrv->phy_id & phydrv->phy_id_mask) == + (phydev->c45_ids.device_ids[i] & + phydrv->phy_id_mask)) + return 1; + } + return 0; + } else { + return (phydrv->phy_id & phydrv->phy_id_mask) == + (phydev->phy_id & phydrv->phy_id_mask); + } } #ifdef CONFIG_PM diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index b2197b506acb..34fe339f4e80 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -811,6 +811,7 @@ void phy_state_machine(struct work_struct *work) bool needs_aneg = false, do_suspend = false; enum phy_state old_state; int err = 0; + int old_link; mutex_lock(&phydev->lock); @@ -896,11 +897,18 @@ void phy_state_machine(struct work_struct *work) phydev->adjust_link(phydev->attached_dev); break; case PHY_RUNNING: - /* Only register a CHANGE if we are - * polling or ignoring interrupts + /* Only register a CHANGE if we are polling or ignoring + * interrupts and link changed since latest checking. */ - if (!phy_interrupt_is_valid(phydev)) - phydev->state = PHY_CHANGELINK; + if (!phy_interrupt_is_valid(phydev)) { + old_link = phydev->link; + err = phy_read_status(phydev); + if (err) + break; + + if (old_link != phydev->link) + phydev->state = PHY_CHANGELINK; + } break; case PHY_CHANGELINK: err = phy_read_status(phydev); @@ -1030,10 +1038,14 @@ int phy_read_mmd_indirect(struct phy_device *phydev, int prtad, int value = -1; if (phydrv->read_mmd_indirect == NULL) { - mmd_phy_indirect(phydev->bus, prtad, devad, addr); + struct mii_bus *bus = phydev->bus; + + mutex_lock(&bus->mdio_lock); + mmd_phy_indirect(bus, prtad, devad, addr); /* Read the content of the MMD's selected register */ - value = phydev->bus->read(phydev->bus, addr, MII_MMD_DATA); + value = bus->read(bus, addr, MII_MMD_DATA); + mutex_unlock(&bus->mdio_lock); } else { value = phydrv->read_mmd_indirect(phydev, prtad, devad, addr); } @@ -1063,10 +1075,14 @@ void phy_write_mmd_indirect(struct phy_device *phydev, int prtad, struct phy_driver *phydrv = phydev->drv; if (phydrv->write_mmd_indirect == NULL) { - mmd_phy_indirect(phydev->bus, prtad, devad, addr); + struct mii_bus *bus = phydev->bus; + + mutex_lock(&bus->mdio_lock); + mmd_phy_indirect(bus, prtad, devad, addr); /* Write the data into MMD's selected register */ - phydev->bus->write(phydev->bus, addr, MII_MMD_DATA, data); + bus->write(bus, addr, MII_MMD_DATA, data); + mutex_unlock(&bus->mdio_lock); } else { phydrv->write_mmd_indirect(phydev, prtad, devad, addr, data); } diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 0302483de240..55f01788df5e 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -176,7 +176,7 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id, if (c45_ids) dev->c45_ids = *c45_ids; dev->bus = bus; - dev->dev.parent = bus->parent; + dev->dev.parent = &bus->dev; dev->dev.bus = &mdio_bus_type; dev->irq = bus->irq != NULL ? bus->irq[addr] : PHY_POLL; dev_set_name(&dev->dev, PHY_ID_FMT, bus->id, addr); diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c index c0f6479e19d4..70b08958763a 100644 --- a/drivers/net/phy/smsc.c +++ b/drivers/net/phy/smsc.c @@ -91,19 +91,18 @@ static int lan911x_config_init(struct phy_device *phydev) } /* - * The LAN8710/LAN8720 requires a minimum of 2 link pulses within 64ms of each - * other in order to set the ENERGYON bit and exit EDPD mode. If a link partner - * does send the pulses within this interval, the PHY will remained powered - * down. - * - * This workaround will manually toggle the PHY on/off upon calls to read_status - * in order to generate link test pulses if the link is down. If a link partner - * is present, it will respond to the pulses, which will cause the ENERGYON bit - * to be set and will cause the EDPD mode to be exited. + * The LAN87xx suffers from rare absence of the ENERGYON-bit when Ethernet cable + * plugs in while LAN87xx is in Energy Detect Power-Down mode. This leads to + * unstable detection of plugging in Ethernet cable. + * This workaround disables Energy Detect Power-Down mode and waiting for + * response on link pulses to detect presence of plugged Ethernet cable. + * The Energy Detect Power-Down mode is enabled again in the end of procedure to + * save approximately 220 mW of power if cable is unplugged. */ static int lan87xx_read_status(struct phy_device *phydev) { int err = genphy_read_status(phydev); + int i; if (!phydev->link) { /* Disable EDPD to wake up PHY */ @@ -116,8 +115,16 @@ static int lan87xx_read_status(struct phy_device *phydev) if (rc < 0) return rc; - /* Sleep 64 ms to allow ~5 link test pulses to be sent */ - msleep(64); + /* Wait max 640 ms to detect energy */ + for (i = 0; i < 64; i++) { + /* Sleep to allow link test pulses to be sent */ + msleep(10); + rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS); + if (rc < 0) + return rc; + if (rc & MII_LAN83C185_ENERGYON) + break; + } /* Re-enable EDPD */ rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS); @@ -191,7 +198,7 @@ static struct phy_driver smsc_phy_driver[] = { /* basic functions */ .config_aneg = genphy_config_aneg, - .read_status = genphy_read_status, + .read_status = lan87xx_read_status, .config_init = smsc_phy_config_init, .soft_reset = smsc_phy_reset, diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 9d15566521a7..fa8f5046afe9 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -269,9 +269,9 @@ static void ppp_ccp_peek(struct ppp *ppp, struct sk_buff *skb, int inbound); static void ppp_ccp_closed(struct ppp *ppp); static struct compressor *find_compressor(int type); static void ppp_get_stats(struct ppp *ppp, struct ppp_stats *st); -static struct ppp *ppp_create_interface(struct net *net, int unit, int *retp); +static struct ppp *ppp_create_interface(struct net *net, int unit, + struct file *file, int *retp); static void init_ppp_file(struct ppp_file *pf, int kind); -static void ppp_shutdown_interface(struct ppp *ppp); static void ppp_destroy_interface(struct ppp *ppp); static struct ppp *ppp_find_unit(struct ppp_net *pn, int unit); static struct channel *ppp_find_channel(struct ppp_net *pn, int unit); @@ -392,8 +392,10 @@ static int ppp_release(struct inode *unused, struct file *file) file->private_data = NULL; if (pf->kind == INTERFACE) { ppp = PF_TO_PPP(pf); + rtnl_lock(); if (file == ppp->owner) - ppp_shutdown_interface(ppp); + unregister_netdevice(ppp->dev); + rtnl_unlock(); } if (atomic_dec_and_test(&pf->refcnt)) { switch (pf->kind) { @@ -593,8 +595,10 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) mutex_lock(&ppp_mutex); if (pf->kind == INTERFACE) { ppp = PF_TO_PPP(pf); + rtnl_lock(); if (file == ppp->owner) - ppp_shutdown_interface(ppp); + unregister_netdevice(ppp->dev); + rtnl_unlock(); } if (atomic_long_read(&file->f_count) < 2) { ppp_release(NULL, file); @@ -838,11 +842,10 @@ static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf, /* Create a new ppp unit */ if (get_user(unit, p)) break; - ppp = ppp_create_interface(net, unit, &err); + ppp = ppp_create_interface(net, unit, file, &err); if (!ppp) break; file->private_data = &ppp->file; - ppp->owner = file; err = -EFAULT; if (put_user(ppp->file.index, p)) break; @@ -916,6 +919,16 @@ static __net_init int ppp_init_net(struct net *net) static __net_exit void ppp_exit_net(struct net *net) { struct ppp_net *pn = net_generic(net, ppp_net_id); + struct ppp *ppp; + LIST_HEAD(list); + int id; + + rtnl_lock(); + idr_for_each_entry(&pn->units_idr, ppp, id) + unregister_netdevice_queue(ppp->dev, &list); + + unregister_netdevice_many(&list); + rtnl_unlock(); idr_destroy(&pn->units_idr); } @@ -1088,8 +1101,28 @@ static int ppp_dev_init(struct net_device *dev) return 0; } +static void ppp_dev_uninit(struct net_device *dev) +{ + struct ppp *ppp = netdev_priv(dev); + struct ppp_net *pn = ppp_pernet(ppp->ppp_net); + + ppp_lock(ppp); + ppp->closing = 1; + ppp_unlock(ppp); + + mutex_lock(&pn->all_ppp_mutex); + unit_put(&pn->units_idr, ppp->file.index); + mutex_unlock(&pn->all_ppp_mutex); + + ppp->owner = NULL; + + ppp->file.dead = 1; + wake_up_interruptible(&ppp->file.rwait); +} + static const struct net_device_ops ppp_netdev_ops = { .ndo_init = ppp_dev_init, + .ndo_uninit = ppp_dev_uninit, .ndo_start_xmit = ppp_start_xmit, .ndo_do_ioctl = ppp_net_ioctl, .ndo_get_stats64 = ppp_get_stats64, @@ -2667,8 +2700,8 @@ ppp_get_stats(struct ppp *ppp, struct ppp_stats *st) * or if there is already a unit with the requested number. * unit == -1 means allocate a new number. */ -static struct ppp * -ppp_create_interface(struct net *net, int unit, int *retp) +static struct ppp *ppp_create_interface(struct net *net, int unit, + struct file *file, int *retp) { struct ppp *ppp; struct ppp_net *pn; @@ -2688,6 +2721,7 @@ ppp_create_interface(struct net *net, int unit, int *retp) ppp->mru = PPP_MRU; init_ppp_file(&ppp->file, INTERFACE); ppp->file.hdrlen = PPP_HDRLEN - 2; /* don't count proto bytes */ + ppp->owner = file; for (i = 0; i < NUM_NP; ++i) ppp->npmode[i] = NPMODE_PASS; INIT_LIST_HEAD(&ppp->channels); @@ -2776,34 +2810,6 @@ init_ppp_file(struct ppp_file *pf, int kind) } /* - * Take down a ppp interface unit - called when the owning file - * (the one that created the unit) is closed or detached. - */ -static void ppp_shutdown_interface(struct ppp *ppp) -{ - struct ppp_net *pn; - - pn = ppp_pernet(ppp->ppp_net); - mutex_lock(&pn->all_ppp_mutex); - - /* This will call dev_close() for us. */ - ppp_lock(ppp); - if (!ppp->closing) { - ppp->closing = 1; - ppp_unlock(ppp); - unregister_netdev(ppp->dev); - unit_put(&pn->units_idr, ppp->file.index); - } else - ppp_unlock(ppp); - - ppp->file.dead = 1; - ppp->owner = NULL; - wake_up_interruptible(&ppp->file.rwait); - - mutex_unlock(&pn->all_ppp_mutex); -} - -/* * Free the memory used by a ppp unit. This is only called once * there are no channels connected to the unit and no file structs * that reference the unit. diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index f603f362504b..64a60afbe50c 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -757,6 +757,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ + {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */ {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */ {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ @@ -784,6 +785,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ + {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ {QMI_FIXED_INTF(0x03f0, 0x581d, 4)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */ /* 4. Gobi 1000 devices */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 7f6419ebb5e1..ad8cbc6c9ee7 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -27,7 +27,7 @@ #include <linux/usb/cdc.h> /* Version Information */ -#define DRIVER_VERSION "v1.08.0 (2015/01/13)" +#define DRIVER_VERSION "v1.08.1 (2015/07/28)" #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>" #define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters" #define MODULENAME "r8152" @@ -1902,11 +1902,10 @@ static void rtl_drop_queued_tx(struct r8152 *tp) static void rtl8152_tx_timeout(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); - int i; netif_warn(tp, tx_err, netdev, "Tx timeout\n"); - for (i = 0; i < RTL8152_MAX_TX; i++) - usb_unlink_urb(tp->tx_info[i].urb); + + usb_queue_reset_device(tp->intf); } static void rtl8152_set_rx_mode(struct net_device *netdev) @@ -2075,7 +2074,6 @@ static int rtl_start_rx(struct r8152 *tp) { int i, ret = 0; - napi_disable(&tp->napi); INIT_LIST_HEAD(&tp->rx_done); for (i = 0; i < RTL8152_MAX_RX; i++) { INIT_LIST_HEAD(&tp->rx_info[i].list); @@ -2083,7 +2081,6 @@ static int rtl_start_rx(struct r8152 *tp) if (ret) break; } - napi_enable(&tp->napi); if (ret && ++i < RTL8152_MAX_RX) { struct list_head rx_queue; @@ -2166,6 +2163,7 @@ static int rtl8153_enable(struct r8152 *tp) if (test_bit(RTL8152_UNPLUG, &tp->flags)) return -ENODEV; + usb_disable_lpm(tp->udev); set_tx_qlen(tp); rtl_set_eee_plus(tp); r8153_set_rx_early_timeout(tp); @@ -2337,11 +2335,61 @@ static void __rtl_set_wol(struct r8152 *tp, u32 wolopts) device_set_wakeup_enable(&tp->udev->dev, false); } +static void r8153_u1u2en(struct r8152 *tp, bool enable) +{ + u8 u1u2[8]; + + if (enable) + memset(u1u2, 0xff, sizeof(u1u2)); + else + memset(u1u2, 0x00, sizeof(u1u2)); + + usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2); +} + +static void r8153_u2p3en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL); + if (enable && tp->version != RTL_VER_03 && tp->version != RTL_VER_04) + ocp_data |= U2P3_ENABLE; + else + ocp_data &= ~U2P3_ENABLE; + ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data); +} + +static void r8153_power_cut_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT); + if (enable) + ocp_data |= PWR_EN | PHASE2_EN; + else + ocp_data &= ~(PWR_EN | PHASE2_EN); + ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0); + ocp_data &= ~PCUT_STATUS; + ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data); +} + +static bool rtl_can_wakeup(struct r8152 *tp) +{ + struct usb_device *udev = tp->udev; + + return (udev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP); +} + static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable) { if (enable) { u32 ocp_data; + r8153_u1u2en(tp, false); + r8153_u2p3en(tp, false); + __rtl_set_wol(tp, WAKE_ANY); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); @@ -2353,6 +2401,8 @@ static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable) ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); } else { __rtl_set_wol(tp, tp->saved_wolopts); + r8153_u2p3en(tp, true); + r8153_u1u2en(tp, true); } } @@ -2599,46 +2649,6 @@ static void r8153_hw_phy_cfg(struct r8152 *tp) set_bit(PHY_RESET, &tp->flags); } -static void r8153_u1u2en(struct r8152 *tp, bool enable) -{ - u8 u1u2[8]; - - if (enable) - memset(u1u2, 0xff, sizeof(u1u2)); - else - memset(u1u2, 0x00, sizeof(u1u2)); - - usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2); -} - -static void r8153_u2p3en(struct r8152 *tp, bool enable) -{ - u32 ocp_data; - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL); - if (enable) - ocp_data |= U2P3_ENABLE; - else - ocp_data &= ~U2P3_ENABLE; - ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data); -} - -static void r8153_power_cut_en(struct r8152 *tp, bool enable) -{ - u32 ocp_data; - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT); - if (enable) - ocp_data |= PWR_EN | PHASE2_EN; - else - ocp_data &= ~(PWR_EN | PHASE2_EN); - ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data); - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0); - ocp_data &= ~PCUT_STATUS; - ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data); -} - static void r8153_first_init(struct r8152 *tp) { u32 ocp_data; @@ -2781,6 +2791,7 @@ static void rtl8153_disable(struct r8152 *tp) r8153_disable_aldps(tp); rtl_disable(tp); r8153_enable_aldps(tp); + usb_enable_lpm(tp->udev); } static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) @@ -2901,9 +2912,13 @@ static void rtl8153_up(struct r8152 *tp) if (test_bit(RTL8152_UNPLUG, &tp->flags)) return; + r8153_u1u2en(tp, false); r8153_disable_aldps(tp); r8153_first_init(tp); r8153_enable_aldps(tp); + r8153_u2p3en(tp, true); + r8153_u1u2en(tp, true); + usb_enable_lpm(tp->udev); } static void rtl8153_down(struct r8152 *tp) @@ -2914,6 +2929,7 @@ static void rtl8153_down(struct r8152 *tp) } r8153_u1u2en(tp, false); + r8153_u2p3en(tp, false); r8153_power_cut_en(tp, false); r8153_disable_aldps(tp); r8153_enter_oob(tp); @@ -2932,8 +2948,10 @@ static void set_carrier(struct r8152 *tp) if (!netif_carrier_ok(netdev)) { tp->rtl_ops.enable(tp); set_bit(RTL8152_SET_RX_MODE, &tp->flags); + napi_disable(&tp->napi); netif_carrier_on(netdev); rtl_start_rx(tp); + napi_enable(&tp->napi); } } else { if (netif_carrier_ok(netdev)) { @@ -3252,6 +3270,7 @@ static void r8153_init(struct r8152 *tp) msleep(20); } + usb_disable_lpm(tp->udev); r8153_u2p3en(tp, false); if (tp->version == RTL_VER_04) { @@ -3319,6 +3338,59 @@ static void r8153_init(struct r8152 *tp) r8153_enable_aldps(tp); r8152b_enable_fc(tp); rtl_tally_reset(tp); + r8153_u2p3en(tp, true); +} + +static int rtl8152_pre_reset(struct usb_interface *intf) +{ + struct r8152 *tp = usb_get_intfdata(intf); + struct net_device *netdev; + + if (!tp) + return 0; + + netdev = tp->netdev; + if (!netif_running(netdev)) + return 0; + + napi_disable(&tp->napi); + clear_bit(WORK_ENABLE, &tp->flags); + usb_kill_urb(tp->intr_urb); + cancel_delayed_work_sync(&tp->schedule); + if (netif_carrier_ok(netdev)) { + netif_stop_queue(netdev); + mutex_lock(&tp->control); + tp->rtl_ops.disable(tp); + mutex_unlock(&tp->control); + } + + return 0; +} + +static int rtl8152_post_reset(struct usb_interface *intf) +{ + struct r8152 *tp = usb_get_intfdata(intf); + struct net_device *netdev; + + if (!tp) + return 0; + + netdev = tp->netdev; + if (!netif_running(netdev)) + return 0; + + set_bit(WORK_ENABLE, &tp->flags); + if (netif_carrier_ok(netdev)) { + mutex_lock(&tp->control); + tp->rtl_ops.enable(tp); + rtl8152_set_rx_mode(netdev); + mutex_unlock(&tp->control); + netif_wake_queue(netdev); + } + + napi_enable(&tp->napi); + + return 0; } static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) @@ -3374,9 +3446,11 @@ static int rtl8152_resume(struct usb_interface *intf) if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { rtl_runtime_suspend_enable(tp, false); clear_bit(SELECTIVE_SUSPEND, &tp->flags); + napi_disable(&tp->napi); set_bit(WORK_ENABLE, &tp->flags); if (netif_carrier_ok(tp->netdev)) rtl_start_rx(tp); + napi_enable(&tp->napi); } else { tp->rtl_ops.up(tp); rtl8152_set_speed(tp, AUTONEG_ENABLE, @@ -3403,12 +3477,15 @@ static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) if (usb_autopm_get_interface(tp->intf) < 0) return; - mutex_lock(&tp->control); - - wol->supported = WAKE_ANY; - wol->wolopts = __rtl_get_wol(tp); - - mutex_unlock(&tp->control); + if (!rtl_can_wakeup(tp)) { + wol->supported = 0; + wol->wolopts = 0; + } else { + mutex_lock(&tp->control); + wol->supported = WAKE_ANY; + wol->wolopts = __rtl_get_wol(tp); + mutex_unlock(&tp->control); + } usb_autopm_put_interface(tp->intf); } @@ -3418,6 +3495,9 @@ static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) struct r8152 *tp = netdev_priv(dev); int ret; + if (!rtl_can_wakeup(tp)) + return -EOPNOTSUPP; + ret = usb_autopm_get_interface(tp->intf); if (ret < 0) goto out_set_wol; @@ -4059,6 +4139,9 @@ static int rtl8152_probe(struct usb_interface *intf, goto out1; } + if (!rtl_can_wakeup(tp)) + __rtl_set_wol(tp, 0); + tp->saved_wolopts = __rtl_get_wol(tp); if (tp->saved_wolopts) device_set_wakeup_enable(&udev->dev, true); @@ -4132,6 +4215,8 @@ static struct usb_driver rtl8152_driver = { .suspend = rtl8152_suspend, .resume = rtl8152_resume, .reset_resume = rtl8152_resume, + .pre_reset = rtl8152_pre_reset, + .post_reset = rtl8152_post_reset, .supports_autosuspend = 1, .disable_hub_initiated_lpm = 1, }; diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 3c86b107275a..e0498571ae26 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -778,7 +778,7 @@ int usbnet_stop (struct net_device *net) { struct usbnet *dev = netdev_priv(net); struct driver_info *info = dev->driver_info; - int retval, pm; + int retval, pm, mpn; clear_bit(EVENT_DEV_OPEN, &dev->flags); netif_stop_queue (net); @@ -809,6 +809,8 @@ int usbnet_stop (struct net_device *net) usbnet_purge_paused_rxq(dev); + mpn = !test_and_clear_bit(EVENT_NO_RUNTIME_PM, &dev->flags); + /* deferred work (task, timer, softirq) must also stop. * can't flush_scheduled_work() until we drop rtnl (later), * else workers could deadlock; so make workers a NOP. @@ -819,8 +821,7 @@ int usbnet_stop (struct net_device *net) if (!pm) usb_autopm_put_interface(dev->intf); - if (info->manage_power && - !test_and_clear_bit(EVENT_NO_RUNTIME_PM, &dev->flags)) + if (info->manage_power && mpn) info->manage_power(dev, 0); else usb_autopm_put_interface(dev->intf); diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 63c7810e1545..237f8e5e493d 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1756,9 +1756,9 @@ static int virtnet_probe(struct virtio_device *vdev) /* Do we support "hardware" checksums? */ if (virtio_has_feature(vdev, VIRTIO_NET_F_CSUM)) { /* This opens up the world of extra features. */ - dev->hw_features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST; + dev->hw_features |= NETIF_F_HW_CSUM | NETIF_F_SG; if (csum) - dev->features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST; + dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG; if (virtio_has_feature(vdev, VIRTIO_NET_F_GSO)) { dev->hw_features |= NETIF_F_TSO | NETIF_F_UFO @@ -1828,7 +1828,8 @@ static int virtnet_probe(struct virtio_device *vdev) else vi->hdr_len = sizeof(struct virtio_net_hdr); - if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT) || + virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 34c519eb1db5..5bc4b1ed67b3 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2216,6 +2216,8 @@ static int vxlan_open(struct net_device *dev) if (vxlan_addr_multicast(&vxlan->default_dst.remote_ip)) { ret = vxlan_igmp_join(vxlan); + if (ret == -EADDRINUSE) + ret = 0; if (ret) { vxlan_sock_release(vs); return ret; diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c index 7193b7304fdd..848ea6a399f2 100644 --- a/drivers/net/wan/cosa.c +++ b/drivers/net/wan/cosa.c @@ -589,7 +589,8 @@ static int cosa_probe(int base, int irq, int dma) chan->netdev->base_addr = chan->cosa->datareg; chan->netdev->irq = chan->cosa->irq; chan->netdev->dma = chan->cosa->dma; - if (register_hdlc_device(chan->netdev)) { + err = register_hdlc_device(chan->netdev); + if (err) { netdev_warn(chan->netdev, "register_hdlc_device() failed\n"); free_netdev(chan->netdev); diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 5e15e8e10ed3..a31a6804dc34 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -279,6 +279,7 @@ static void ath9k_hw_read_revisions(struct ath_hw *ah) return; case AR9300_DEVID_QCA956X: ah->hw_version.macVersion = AR_SREV_VERSION_9561; + return; } val = REG_READ(ah, AR_SREV) & AR_SREV_ID; diff --git a/drivers/net/wireless/b43/tables_nphy.c b/drivers/net/wireless/b43/tables_nphy.c index 25d1cbd34306..b2f0d245bcf3 100644 --- a/drivers/net/wireless/b43/tables_nphy.c +++ b/drivers/net/wireless/b43/tables_nphy.c @@ -3728,7 +3728,7 @@ const u32 *b43_nphy_get_tx_gain_table(struct b43_wldev *dev) switch (phy->rev) { case 6: case 5: - if (sprom->fem.ghz5.extpa_gain == 3) + if (sprom->fem.ghz2.extpa_gain == 3) return b43_ntab_tx_gain_epa_rev3_hi_pwr_2g; /* fall through */ case 4: diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h index d56064861a9c..d45dc021cda2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fh.h +++ b/drivers/net/wireless/iwlwifi/iwl-fh.h @@ -438,6 +438,12 @@ static inline unsigned int FH_MEM_CBBC_QUEUE(unsigned int chnl) #define RX_QUEUE_MASK 255 #define RX_QUEUE_SIZE_LOG 8 +/* + * RX related structures and functions + */ +#define RX_FREE_BUFFERS 64 +#define RX_LOW_WATERMARK 8 + /** * struct iwl_rb_status - reserve buffer status * host memory mapped FH registers diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c index 80fefe7d7b8c..3b8e85e51002 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -540,13 +540,11 @@ static void iwl_set_hw_address_family_8000(struct device *dev, hw_addr = (const u8 *)(mac_override + MAC_ADDRESS_OVERRIDE_FAMILY_8000); - /* The byte order is little endian 16 bit, meaning 214365 */ - data->hw_addr[0] = hw_addr[1]; - data->hw_addr[1] = hw_addr[0]; - data->hw_addr[2] = hw_addr[3]; - data->hw_addr[3] = hw_addr[2]; - data->hw_addr[4] = hw_addr[5]; - data->hw_addr[5] = hw_addr[4]; + /* + * Store the MAC address from MAO section. + * No byte swapping is required in MAO section + */ + memcpy(data->hw_addr, hw_addr, ETH_ALEN); /* * Force the use of the OTP MAC address in case of reserved MAC diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h index 5e4cbdb44c60..737774a01c74 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h @@ -660,7 +660,8 @@ struct iwl_scan_config { * iwl_umac_scan_flags *@IWL_UMAC_SCAN_FLAG_PREEMPTIVE: scan process triggered by this scan request * can be preempted by other scan requests with higher priority. - * The low priority scan is aborted. + * The low priority scan will be resumed when the higher proirity scan is + * completed. *@IWL_UMAC_SCAN_FLAG_START_NOTIF: notification will be sent to the driver * when scan starts. */ diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 5de144968723..5514ad6d4e54 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -1023,7 +1023,7 @@ static void iwl_mvm_scan_umac_dwell(struct iwl_mvm *mvm, cmd->scan_priority = iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6); - if (iwl_mvm_scan_total_iterations(params) == 0) + if (iwl_mvm_scan_total_iterations(params) == 1) cmd->ooc_priority = iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6); else @@ -1109,6 +1109,9 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, cmd->uid = cpu_to_le32(uid); cmd->general_flags = cpu_to_le32(iwl_mvm_scan_umac_flags(mvm, params)); + if (type == IWL_MVM_SCAN_SCHED) + cmd->flags = cpu_to_le32(IWL_UMAC_SCAN_FLAG_PREEMPTIVE); + if (iwl_mvm_scan_use_ebs(mvm, vif, n_iterations)) cmd->channel_flags = IWL_SCAN_CHANNEL_FLAG_EBS | IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index d68dc697a4a0..26f076e82149 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -1401,6 +1401,7 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE); u8 sta_id; int ret; + static const u8 __maybe_unused zero_addr[ETH_ALEN] = {0}; lockdep_assert_held(&mvm->mutex); @@ -1467,7 +1468,7 @@ int iwl_mvm_set_sta_key(struct iwl_mvm *mvm, end: IWL_DEBUG_WEP(mvm, "key: cipher=%x len=%d idx=%d sta=%pM ret=%d\n", keyconf->cipher, keyconf->keylen, keyconf->keyidx, - sta->addr, ret); + sta ? sta->addr : zero_addr, ret); return ret; } diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c index d24b6a83e68c..e472729e5f14 100644 --- a/drivers/net/wireless/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c @@ -86,7 +86,7 @@ void iwl_mvm_te_clear_data(struct iwl_mvm *mvm, { lockdep_assert_held(&mvm->time_event_lock); - if (te_data->id == TE_MAX) + if (!te_data->vif) return; list_del(&te_data->list); diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 7ba7a118ff5c..89116864d2a0 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -252,7 +252,7 @@ void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, if (info->band == IEEE80211_BAND_2GHZ && !iwl_mvm_bt_coex_is_shared_ant_avail(mvm)) - rate_flags = BIT(mvm->cfg->non_shared_ant) << RATE_MCS_ANT_POS; + rate_flags = mvm->cfg->non_shared_ant << RATE_MCS_ANT_POS; else rate_flags = BIT(mvm->mgmt_last_antenna_idx) << RATE_MCS_ANT_POS; diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 2ed1e4d2774d..9f65c1cff1b1 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -368,12 +368,14 @@ static const struct pci_device_id iwl_hw_card_ids[] = { /* 3165 Series */ {IWL_PCI_DEVICE(0x3165, 0x4010, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x4012, iwl3165_2ac_cfg)}, + {IWL_PCI_DEVICE(0x3166, 0x4212, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x4410, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x4510, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x4110, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3166, 0x4310, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3166, 0x4210, iwl3165_2ac_cfg)}, {IWL_PCI_DEVICE(0x3165, 0x8010, iwl3165_2ac_cfg)}, + {IWL_PCI_DEVICE(0x3165, 0x8110, iwl3165_2ac_cfg)}, /* 7265 Series */ {IWL_PCI_DEVICE(0x095A, 0x5010, iwl7265_2ac_cfg)}, @@ -426,9 +428,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x24F4, 0x1130, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F4, 0x1030, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xC010, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0xC110, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xD010, iwl8260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x24F4, 0xC030, iwl8260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x24F4, 0xD030, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xC050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xD050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x8010, iwl8260_2ac_cfg)}, diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h index 31f72a61cc3f..376b84e54ad7 100644 --- a/drivers/net/wireless/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/iwlwifi/pcie/internal.h @@ -44,15 +44,6 @@ #include "iwl-io.h" #include "iwl-op-mode.h" -/* - * RX related structures and functions - */ -#define RX_NUM_QUEUES 1 -#define RX_POST_REQ_ALLOC 2 -#define RX_CLAIM_REQ_ALLOC 8 -#define RX_POOL_SIZE ((RX_CLAIM_REQ_ALLOC - RX_POST_REQ_ALLOC) * RX_NUM_QUEUES) -#define RX_LOW_WATERMARK 8 - struct iwl_host_cmd; /*This file includes the declaration that are internal to the @@ -86,29 +77,29 @@ struct isr_statistics { * struct iwl_rxq - Rx queue * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) + * @pool: + * @queue: * @read: Shared index to newest available Rx buffer * @write: Shared index to oldest written Rx packet * @free_count: Number of pre-allocated buffers in rx_free - * @used_count: Number of RBDs handled to allocator to use for allocation * @write_actual: - * @rx_free: list of RBDs with allocated RB ready for use - * @rx_used: list of RBDs with no RB attached + * @rx_free: list of free SKBs for use + * @rx_used: List of Rx buffers with no SKB * @need_update: flag to indicate we need to update read/write index * @rb_stts: driver's pointer to receive buffer status * @rb_stts_dma: bus address of receive buffer status * @lock: - * @pool: initial pool of iwl_rx_mem_buffer for the queue - * @queue: actual rx queue * * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers */ struct iwl_rxq { __le32 *bd; dma_addr_t bd_dma; + struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; + struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; u32 read; u32 write; u32 free_count; - u32 used_count; u32 write_actual; struct list_head rx_free; struct list_head rx_used; @@ -116,32 +107,6 @@ struct iwl_rxq { struct iwl_rb_status *rb_stts; dma_addr_t rb_stts_dma; spinlock_t lock; - struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE]; - struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; -}; - -/** - * struct iwl_rb_allocator - Rx allocator - * @pool: initial pool of allocator - * @req_pending: number of requests the allcator had not processed yet - * @req_ready: number of requests honored and ready for claiming - * @rbd_allocated: RBDs with pages allocated and ready to be handled to - * the queue. This is a list of &struct iwl_rx_mem_buffer - * @rbd_empty: RBDs with no page attached for allocator use. This is a list - * of &struct iwl_rx_mem_buffer - * @lock: protects the rbd_allocated and rbd_empty lists - * @alloc_wq: work queue for background calls - * @rx_alloc: work struct for background calls - */ -struct iwl_rb_allocator { - struct iwl_rx_mem_buffer pool[RX_POOL_SIZE]; - atomic_t req_pending; - atomic_t req_ready; - struct list_head rbd_allocated; - struct list_head rbd_empty; - spinlock_t lock; - struct workqueue_struct *alloc_wq; - struct work_struct rx_alloc; }; struct iwl_dma_ptr { @@ -285,7 +250,7 @@ iwl_pcie_get_scratchbuf_dma(struct iwl_txq *txq, int idx) /** * struct iwl_trans_pcie - PCIe transport specific data * @rxq: all the RX queue data - * @rba: allocator for RX replenishing + * @rx_replenish: work that will be called when buffers need to be allocated * @drv - pointer to iwl_drv * @trans: pointer to the generic transport area * @scd_base_addr: scheduler sram base address in SRAM @@ -308,7 +273,7 @@ iwl_pcie_get_scratchbuf_dma(struct iwl_txq *txq, int idx) */ struct iwl_trans_pcie { struct iwl_rxq rxq; - struct iwl_rb_allocator rba; + struct work_struct rx_replenish; struct iwl_trans *trans; struct iwl_drv *drv; diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index a3fbaa0ef5e0..adad8d0fae7f 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -1,7 +1,7 @@ /****************************************************************************** * * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -74,29 +74,16 @@ * resets the Rx queue buffers with new memory. * * The management in the driver is as follows: - * + A list of pre-allocated RBDs is stored in iwl->rxq->rx_free. - * When the interrupt handler is called, the request is processed. - * The page is either stolen - transferred to the upper layer - * or reused - added immediately to the iwl->rxq->rx_free list. - * + When the page is stolen - the driver updates the matching queue's used - * count, detaches the RBD and transfers it to the queue used list. - * When there are two used RBDs - they are transferred to the allocator empty - * list. Work is then scheduled for the allocator to start allocating - * eight buffers. - * When there are another 6 used RBDs - they are transferred to the allocator - * empty list and the driver tries to claim the pre-allocated buffers and - * add them to iwl->rxq->rx_free. If it fails - it continues to claim them - * until ready. - * When there are 8+ buffers in the free list - either from allocation or from - * 8 reused unstolen pages - restock is called to update the FW and indexes. - * + In order to make sure the allocator always has RBDs to use for allocation - * the allocator has initial pool in the size of num_queues*(8-2) - the - * maximum missing RBDs per allocation request (request posted with 2 - * empty RBDs, there is no guarantee when the other 6 RBDs are supplied). - * The queues supplies the recycle of the rest of the RBDs. + * + A list of pre-allocated SKBs is stored in iwl->rxq->rx_free. When + * iwl->rxq->free_count drops to or below RX_LOW_WATERMARK, work is scheduled + * to replenish the iwl->rxq->rx_free. + * + In iwl_pcie_rx_replenish (scheduled) if 'processed' != 'read' then the + * iwl->rxq is replenished and the READ INDEX is updated (updating the + * 'processed' and 'read' driver indexes as well) * + A received packet is processed and handed to the kernel network stack, * detached from the iwl->rxq. The driver 'processed' index is updated. - * + If there are no allocated buffers in iwl->rxq->rx_free, + * + The Host/Firmware iwl->rxq is replenished at irq thread time from the + * rx_free list. If there are no allocated buffers in iwl->rxq->rx_free, * the READ INDEX is not incremented and iwl->status(RX_STALLED) is set. * If there were enough free buffers and RX_STALLED is set it is cleared. * @@ -105,32 +92,18 @@ * * iwl_rxq_alloc() Allocates rx_free * iwl_pcie_rx_replenish() Replenishes rx_free list from rx_used, and calls - * iwl_pcie_rxq_restock. - * Used only during initialization. + * iwl_pcie_rxq_restock * iwl_pcie_rxq_restock() Moves available buffers from rx_free into Rx * queue, updates firmware pointers, and updates - * the WRITE index. - * iwl_pcie_rx_allocator() Background work for allocating pages. + * the WRITE index. If insufficient rx_free buffers + * are available, schedules iwl_pcie_rx_replenish * * -- enable interrupts -- * ISR - iwl_rx() Detach iwl_rx_mem_buffers from pool up to the * READ INDEX, detaching the SKB from the pool. * Moves the packet buffer from queue to rx_used. - * Posts and claims requests to the allocator. * Calls iwl_pcie_rxq_restock to refill any empty * slots. - * - * RBD life-cycle: - * - * Init: - * rxq.pool -> rxq.rx_used -> rxq.rx_free -> rxq.queue - * - * Regular Receive interrupt: - * Page Stolen: - * rxq.queue -> rxq.rx_used -> allocator.rbd_empty -> - * allocator.rbd_allocated -> rxq.rx_free -> rxq.queue - * Page not Stolen: - * rxq.queue -> rxq.rx_free -> rxq.queue * ... * */ @@ -267,6 +240,10 @@ static void iwl_pcie_rxq_restock(struct iwl_trans *trans) rxq->free_count--; } spin_unlock(&rxq->lock); + /* If the pre-allocated buffer pool is dropping low, schedule to + * refill it */ + if (rxq->free_count <= RX_LOW_WATERMARK) + schedule_work(&trans_pcie->rx_replenish); /* If we've added more space for the firmware to place data, tell it. * Increment device's write pointer in multiples of 8. */ @@ -278,44 +255,6 @@ static void iwl_pcie_rxq_restock(struct iwl_trans *trans) } /* - * iwl_pcie_rx_alloc_page - allocates and returns a page. - * - */ -static struct page *iwl_pcie_rx_alloc_page(struct iwl_trans *trans) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rxq *rxq = &trans_pcie->rxq; - struct page *page; - gfp_t gfp_mask = GFP_KERNEL; - - if (rxq->free_count > RX_LOW_WATERMARK) - gfp_mask |= __GFP_NOWARN; - - if (trans_pcie->rx_page_order > 0) - gfp_mask |= __GFP_COMP; - - /* Alloc a new receive buffer */ - page = alloc_pages(gfp_mask, trans_pcie->rx_page_order); - if (!page) { - if (net_ratelimit()) - IWL_DEBUG_INFO(trans, "alloc_pages failed, order: %d\n", - trans_pcie->rx_page_order); - /* Issue an error if the hardware has consumed more than half - * of its free buffer list and we don't have enough - * pre-allocated buffers. -` */ - if (rxq->free_count <= RX_LOW_WATERMARK && - iwl_rxq_space(rxq) > (RX_QUEUE_SIZE / 2) && - net_ratelimit()) - IWL_CRIT(trans, - "Failed to alloc_pages with GFP_KERNEL. Only %u free buffers remaining.\n", - rxq->free_count); - return NULL; - } - return page; -} - -/* * iwl_pcie_rxq_alloc_rbs - allocate a page for each used RBD * * A used RBD is an Rx buffer that has been given to the stack. To use it again @@ -324,12 +263,13 @@ static struct page *iwl_pcie_rx_alloc_page(struct iwl_trans *trans) * iwl_pcie_rxq_restock. The latter function will update the HW to use the newly * allocated buffers. */ -static void iwl_pcie_rxq_alloc_rbs(struct iwl_trans *trans) +static void iwl_pcie_rxq_alloc_rbs(struct iwl_trans *trans, gfp_t priority) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; struct iwl_rx_mem_buffer *rxb; struct page *page; + gfp_t gfp_mask = priority; while (1) { spin_lock(&rxq->lock); @@ -339,10 +279,32 @@ static void iwl_pcie_rxq_alloc_rbs(struct iwl_trans *trans) } spin_unlock(&rxq->lock); + if (rxq->free_count > RX_LOW_WATERMARK) + gfp_mask |= __GFP_NOWARN; + + if (trans_pcie->rx_page_order > 0) + gfp_mask |= __GFP_COMP; + /* Alloc a new receive buffer */ - page = iwl_pcie_rx_alloc_page(trans); - if (!page) + page = alloc_pages(gfp_mask, trans_pcie->rx_page_order); + if (!page) { + if (net_ratelimit()) + IWL_DEBUG_INFO(trans, "alloc_pages failed, " + "order: %d\n", + trans_pcie->rx_page_order); + + if ((rxq->free_count <= RX_LOW_WATERMARK) && + net_ratelimit()) + IWL_CRIT(trans, "Failed to alloc_pages with %s." + "Only %u free buffers remaining.\n", + priority == GFP_ATOMIC ? + "GFP_ATOMIC" : "GFP_KERNEL", + rxq->free_count); + /* We don't reschedule replenish work here -- we will + * call the restock method and if it still needs + * more buffers it will schedule replenish */ return; + } spin_lock(&rxq->lock); @@ -393,7 +355,7 @@ static void iwl_pcie_rxq_free_rbs(struct iwl_trans *trans) lockdep_assert_held(&rxq->lock); - for (i = 0; i < RX_QUEUE_SIZE; i++) { + for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) { if (!rxq->pool[i].page) continue; dma_unmap_page(trans->dev, rxq->pool[i].page_dma, @@ -410,144 +372,32 @@ static void iwl_pcie_rxq_free_rbs(struct iwl_trans *trans) * When moving to rx_free an page is allocated for the slot. * * Also restock the Rx queue via iwl_pcie_rxq_restock. - * This is called only during initialization + * This is called as a scheduled work item (except for during initialization) */ -static void iwl_pcie_rx_replenish(struct iwl_trans *trans) +static void iwl_pcie_rx_replenish(struct iwl_trans *trans, gfp_t gfp) { - iwl_pcie_rxq_alloc_rbs(trans); + iwl_pcie_rxq_alloc_rbs(trans, gfp); iwl_pcie_rxq_restock(trans); } -/* - * iwl_pcie_rx_allocator - Allocates pages in the background for RX queues - * - * Allocates for each received request 8 pages - * Called as a scheduled work item. - */ -static void iwl_pcie_rx_allocator(struct iwl_trans *trans) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rb_allocator *rba = &trans_pcie->rba; - - while (atomic_read(&rba->req_pending)) { - int i; - struct list_head local_empty; - struct list_head local_allocated; - - INIT_LIST_HEAD(&local_allocated); - spin_lock(&rba->lock); - /* swap out the entire rba->rbd_empty to a local list */ - list_replace_init(&rba->rbd_empty, &local_empty); - spin_unlock(&rba->lock); - - for (i = 0; i < RX_CLAIM_REQ_ALLOC;) { - struct iwl_rx_mem_buffer *rxb; - struct page *page; - - /* List should never be empty - each reused RBD is - * returned to the list, and initial pool covers any - * possible gap between the time the page is allocated - * to the time the RBD is added. - */ - BUG_ON(list_empty(&local_empty)); - /* Get the first rxb from the rbd list */ - rxb = list_first_entry(&local_empty, - struct iwl_rx_mem_buffer, list); - BUG_ON(rxb->page); - - /* Alloc a new receive buffer */ - page = iwl_pcie_rx_alloc_page(trans); - if (!page) - continue; - rxb->page = page; - - /* Get physical address of the RB */ - rxb->page_dma = dma_map_page(trans->dev, page, 0, - PAGE_SIZE << trans_pcie->rx_page_order, - DMA_FROM_DEVICE); - if (dma_mapping_error(trans->dev, rxb->page_dma)) { - rxb->page = NULL; - __free_pages(page, trans_pcie->rx_page_order); - continue; - } - /* dma address must be no more than 36 bits */ - BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36)); - /* and also 256 byte aligned! */ - BUG_ON(rxb->page_dma & DMA_BIT_MASK(8)); - - /* move the allocated entry to the out list */ - list_move(&rxb->list, &local_allocated); - i++; - } - - spin_lock(&rba->lock); - /* add the allocated rbds to the allocator allocated list */ - list_splice_tail(&local_allocated, &rba->rbd_allocated); - /* add the unused rbds back to the allocator empty list */ - list_splice_tail(&local_empty, &rba->rbd_empty); - spin_unlock(&rba->lock); - - atomic_dec(&rba->req_pending); - atomic_inc(&rba->req_ready); - } -} - -/* - * iwl_pcie_rx_allocator_get - Returns the pre-allocated pages -.* -.* Called by queue when the queue posted allocation request and - * has freed 8 RBDs in order to restock itself. - */ -static int iwl_pcie_rx_allocator_get(struct iwl_trans *trans, - struct iwl_rx_mem_buffer - *out[RX_CLAIM_REQ_ALLOC]) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rb_allocator *rba = &trans_pcie->rba; - int i; - - if (atomic_dec_return(&rba->req_ready) < 0) { - atomic_inc(&rba->req_ready); - IWL_DEBUG_RX(trans, - "Allocation request not ready, pending requests = %d\n", - atomic_read(&rba->req_pending)); - return -ENOMEM; - } - - spin_lock(&rba->lock); - for (i = 0; i < RX_CLAIM_REQ_ALLOC; i++) { - /* Get next free Rx buffer, remove it from free list */ - out[i] = list_first_entry(&rba->rbd_allocated, - struct iwl_rx_mem_buffer, list); - list_del(&out[i]->list); - } - spin_unlock(&rba->lock); - - return 0; -} - -static void iwl_pcie_rx_allocator_work(struct work_struct *data) +static void iwl_pcie_rx_replenish_work(struct work_struct *data) { - struct iwl_rb_allocator *rba_p = - container_of(data, struct iwl_rb_allocator, rx_alloc); struct iwl_trans_pcie *trans_pcie = - container_of(rba_p, struct iwl_trans_pcie, rba); + container_of(data, struct iwl_trans_pcie, rx_replenish); - iwl_pcie_rx_allocator(trans_pcie->trans); + iwl_pcie_rx_replenish(trans_pcie->trans, GFP_KERNEL); } static int iwl_pcie_rx_alloc(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - struct iwl_rb_allocator *rba = &trans_pcie->rba; struct device *dev = trans->dev; memset(&trans_pcie->rxq, 0, sizeof(trans_pcie->rxq)); spin_lock_init(&rxq->lock); - spin_lock_init(&rba->lock); if (WARN_ON(rxq->bd || rxq->rb_stts)) return -EINVAL; @@ -637,49 +487,15 @@ static void iwl_pcie_rx_init_rxb_lists(struct iwl_rxq *rxq) INIT_LIST_HEAD(&rxq->rx_free); INIT_LIST_HEAD(&rxq->rx_used); rxq->free_count = 0; - rxq->used_count = 0; - for (i = 0; i < RX_QUEUE_SIZE; i++) + for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) list_add(&rxq->pool[i].list, &rxq->rx_used); } -static void iwl_pcie_rx_init_rba(struct iwl_rb_allocator *rba) -{ - int i; - - lockdep_assert_held(&rba->lock); - - INIT_LIST_HEAD(&rba->rbd_allocated); - INIT_LIST_HEAD(&rba->rbd_empty); - - for (i = 0; i < RX_POOL_SIZE; i++) - list_add(&rba->pool[i].list, &rba->rbd_empty); -} - -static void iwl_pcie_rx_free_rba(struct iwl_trans *trans) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rb_allocator *rba = &trans_pcie->rba; - int i; - - lockdep_assert_held(&rba->lock); - - for (i = 0; i < RX_POOL_SIZE; i++) { - if (!rba->pool[i].page) - continue; - dma_unmap_page(trans->dev, rba->pool[i].page_dma, - PAGE_SIZE << trans_pcie->rx_page_order, - DMA_FROM_DEVICE); - __free_pages(rba->pool[i].page, trans_pcie->rx_page_order); - rba->pool[i].page = NULL; - } -} - int iwl_pcie_rx_init(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - struct iwl_rb_allocator *rba = &trans_pcie->rba; int i, err; if (!rxq->bd) { @@ -687,21 +503,11 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) if (err) return err; } - if (!rba->alloc_wq) - rba->alloc_wq = alloc_workqueue("rb_allocator", - WQ_HIGHPRI | WQ_UNBOUND, 1); - INIT_WORK(&rba->rx_alloc, iwl_pcie_rx_allocator_work); - - spin_lock(&rba->lock); - atomic_set(&rba->req_pending, 0); - atomic_set(&rba->req_ready, 0); - /* free all first - we might be reconfigured for a different size */ - iwl_pcie_rx_free_rba(trans); - iwl_pcie_rx_init_rba(rba); - spin_unlock(&rba->lock); spin_lock(&rxq->lock); + INIT_WORK(&trans_pcie->rx_replenish, iwl_pcie_rx_replenish_work); + /* free all first - we might be reconfigured for a different size */ iwl_pcie_rxq_free_rbs(trans); iwl_pcie_rx_init_rxb_lists(rxq); @@ -716,7 +522,7 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) memset(rxq->rb_stts, 0, sizeof(*rxq->rb_stts)); spin_unlock(&rxq->lock); - iwl_pcie_rx_replenish(trans); + iwl_pcie_rx_replenish(trans, GFP_KERNEL); iwl_pcie_rx_hw_init(trans, rxq); @@ -731,7 +537,6 @@ void iwl_pcie_rx_free(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - struct iwl_rb_allocator *rba = &trans_pcie->rba; /*if rxq->bd is NULL, it means that nothing has been allocated, * exit now */ @@ -740,15 +545,7 @@ void iwl_pcie_rx_free(struct iwl_trans *trans) return; } - cancel_work_sync(&rba->rx_alloc); - if (rba->alloc_wq) { - destroy_workqueue(rba->alloc_wq); - rba->alloc_wq = NULL; - } - - spin_lock(&rba->lock); - iwl_pcie_rx_free_rba(trans); - spin_unlock(&rba->lock); + cancel_work_sync(&trans_pcie->rx_replenish); spin_lock(&rxq->lock); iwl_pcie_rxq_free_rbs(trans); @@ -769,43 +566,6 @@ void iwl_pcie_rx_free(struct iwl_trans *trans) rxq->rb_stts = NULL; } -/* - * iwl_pcie_rx_reuse_rbd - Recycle used RBDs - * - * Called when a RBD can be reused. The RBD is transferred to the allocator. - * When there are 2 empty RBDs - a request for allocation is posted - */ -static void iwl_pcie_rx_reuse_rbd(struct iwl_trans *trans, - struct iwl_rx_mem_buffer *rxb, - struct iwl_rxq *rxq) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_rb_allocator *rba = &trans_pcie->rba; - - /* Count the used RBDs */ - rxq->used_count++; - - /* Move the RBD to the used list, will be moved to allocator in batches - * before claiming or posting a request*/ - list_add_tail(&rxb->list, &rxq->rx_used); - - /* If we have RX_POST_REQ_ALLOC new released rx buffers - - * issue a request for allocator. Modulo RX_CLAIM_REQ_ALLOC is - * used for the case we failed to claim RX_CLAIM_REQ_ALLOC, - * after but we still need to post another request. - */ - if ((rxq->used_count % RX_CLAIM_REQ_ALLOC) == RX_POST_REQ_ALLOC) { - /* Move the 2 RBDs to the allocator ownership. - Allocator has another 6 from pool for the request completion*/ - spin_lock(&rba->lock); - list_splice_tail_init(&rxq->rx_used, &rba->rbd_empty); - spin_unlock(&rba->lock); - - atomic_inc(&rba->req_pending); - queue_work(rba->alloc_wq, &rba->rx_alloc); - } -} - static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb) { @@ -928,13 +688,13 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, */ __free_pages(rxb->page, trans_pcie->rx_page_order); rxb->page = NULL; - iwl_pcie_rx_reuse_rbd(trans, rxb, rxq); + list_add_tail(&rxb->list, &rxq->rx_used); } else { list_add_tail(&rxb->list, &rxq->rx_free); rxq->free_count++; } } else - iwl_pcie_rx_reuse_rbd(trans, rxb, rxq); + list_add_tail(&rxb->list, &rxq->rx_used); } /* @@ -944,7 +704,10 @@ static void iwl_pcie_rx_handle(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - u32 r, i, j; + u32 r, i; + u8 fill_rx = 0; + u32 count = 8; + int total_empty; restart: spin_lock(&rxq->lock); @@ -957,6 +720,14 @@ restart: if (i == r) IWL_DEBUG_RX(trans, "HW = SW = %d\n", r); + /* calculate total frames need to be restock after handling RX */ + total_empty = r - rxq->write_actual; + if (total_empty < 0) + total_empty += RX_QUEUE_SIZE; + + if (total_empty > (RX_QUEUE_SIZE / 2)) + fill_rx = 1; + while (i != r) { struct iwl_rx_mem_buffer *rxb; @@ -968,48 +739,29 @@ restart: iwl_pcie_rx_handle_rb(trans, rxb); i = (i + 1) & RX_QUEUE_MASK; - - /* If we have RX_CLAIM_REQ_ALLOC released rx buffers - - * try to claim the pre-allocated buffers from the allocator */ - if (rxq->used_count >= RX_CLAIM_REQ_ALLOC) { - struct iwl_rb_allocator *rba = &trans_pcie->rba; - struct iwl_rx_mem_buffer *out[RX_CLAIM_REQ_ALLOC]; - - /* Add the remaining 6 empty RBDs for allocator use */ - spin_lock(&rba->lock); - list_splice_tail_init(&rxq->rx_used, &rba->rbd_empty); - spin_unlock(&rba->lock); - - /* If not ready - continue, will try to reclaim later. - * No need to reschedule work - allocator exits only on - * success */ - if (!iwl_pcie_rx_allocator_get(trans, out)) { - /* If success - then RX_CLAIM_REQ_ALLOC - * buffers were retrieved and should be added - * to free list */ - rxq->used_count -= RX_CLAIM_REQ_ALLOC; - for (j = 0; j < RX_CLAIM_REQ_ALLOC; j++) { - list_add_tail(&out[j]->list, - &rxq->rx_free); - rxq->free_count++; - } + /* If there are a lot of unused frames, + * restock the Rx queue so ucode wont assert. */ + if (fill_rx) { + count++; + if (count >= 8) { + rxq->read = i; + spin_unlock(&rxq->lock); + iwl_pcie_rx_replenish(trans, GFP_ATOMIC); + count = 0; + goto restart; } } - /* handle restock for two cases: - * - we just pulled buffers from the allocator - * - we have 8+ unstolen pages accumulated */ - if (rxq->free_count >= RX_CLAIM_REQ_ALLOC) { - rxq->read = i; - spin_unlock(&rxq->lock); - iwl_pcie_rxq_restock(trans); - goto restart; - } } /* Backtrack one entry */ rxq->read = i; spin_unlock(&rxq->lock); + if (fill_rx) + iwl_pcie_rx_replenish(trans, GFP_ATOMIC); + else + iwl_pcie_rxq_restock(trans); + if (trans_pcie->napi.poll) napi_gro_flush(&trans_pcie->napi, false); } diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 43ae658af6ec..9e144e71da0b 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -182,7 +182,7 @@ static void iwl_trans_pcie_write_shr(struct iwl_trans *trans, u32 reg, u32 val) static void iwl_pcie_set_pwr(struct iwl_trans *trans, bool vaux) { - if (!trans->cfg->apmg_not_supported) + if (trans->cfg->apmg_not_supported) return; if (vaux && pci_pme_capable(to_pci_dev(trans->dev), PCI_D3cold)) @@ -478,10 +478,16 @@ static void iwl_pcie_apm_stop(struct iwl_trans *trans, bool op_mode_leave) if (trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) iwl_set_bits_prph(trans, APMG_PCIDEV_STT_REG, APMG_PCIDEV_STT_VAL_WAKE_ME); - else if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) + else if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { + iwl_set_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG, + CSR_RESET_LINK_PWR_MGMT_DISABLED); iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_PREPARE | CSR_HW_IF_CONFIG_REG_ENABLE_PME); + mdelay(1); + iwl_clear_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG, + CSR_RESET_LINK_PWR_MGMT_DISABLED); + } mdelay(5); } @@ -575,6 +581,10 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) if (ret >= 0) return 0; + iwl_set_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG, + CSR_RESET_LINK_PWR_MGMT_DISABLED); + msleep(1); + for (iter = 0; iter < 10; iter++) { /* If HW is not ready, prepare the conditions to check again */ iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, @@ -582,8 +592,10 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) do { ret = iwl_pcie_set_hw_ready(trans); - if (ret >= 0) - return 0; + if (ret >= 0) { + ret = 0; + goto out; + } usleep_range(200, 1000); t += 200; @@ -593,6 +605,10 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) IWL_ERR(trans, "Couldn't prepare the card\n"); +out: + iwl_clear_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG, + CSR_RESET_LINK_PWR_MGMT_DISABLED); + return ret; } @@ -2459,7 +2475,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, struct iwl_trans_pcie *trans_pcie; struct iwl_trans *trans; u16 pci_cmd; - int err; + int ret; trans = iwl_trans_alloc(sizeof(struct iwl_trans_pcie), &pdev->dev, cfg, &trans_ops_pcie, 0); @@ -2474,8 +2490,8 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, spin_lock_init(&trans_pcie->ref_lock); init_waitqueue_head(&trans_pcie->ucode_write_waitq); - err = pci_enable_device(pdev); - if (err) + ret = pci_enable_device(pdev); + if (ret) goto out_no_pci; if (!cfg->base_params->pcie_l1_allowed) { @@ -2491,23 +2507,23 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, pci_set_master(pdev); - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(36)); - if (!err) - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(36)); - if (err) { - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (!err) - err = pci_set_consistent_dma_mask(pdev, + ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(36)); + if (!ret) + ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(36)); + if (ret) { + ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (!ret) + ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); /* both attempts failed: */ - if (err) { + if (ret) { dev_err(&pdev->dev, "No suitable DMA available\n"); goto out_pci_disable_device; } } - err = pci_request_regions(pdev, DRV_NAME); - if (err) { + ret = pci_request_regions(pdev, DRV_NAME); + if (ret) { dev_err(&pdev->dev, "pci_request_regions failed\n"); goto out_pci_disable_device; } @@ -2515,7 +2531,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, trans_pcie->hw_base = pci_ioremap_bar(pdev, 0); if (!trans_pcie->hw_base) { dev_err(&pdev->dev, "pci_ioremap_bar failed\n"); - err = -ENODEV; + ret = -ENODEV; goto out_pci_release_regions; } @@ -2527,9 +2543,9 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, trans_pcie->pci_dev = pdev; iwl_disable_interrupts(trans); - err = pci_enable_msi(pdev); - if (err) { - dev_err(&pdev->dev, "pci_enable_msi failed(0X%x)\n", err); + ret = pci_enable_msi(pdev); + if (ret) { + dev_err(&pdev->dev, "pci_enable_msi failed(0X%x)\n", ret); /* enable rfkill interrupt: hw bug w/a */ pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); if (pci_cmd & PCI_COMMAND_INTX_DISABLE) { @@ -2547,11 +2563,16 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, */ if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { unsigned long flags; - int ret; trans->hw_rev = (trans->hw_rev & 0xfff0) | (CSR_HW_REV_STEP(trans->hw_rev << 2) << 2); + ret = iwl_pcie_prepare_card_hw(trans); + if (ret) { + IWL_WARN(trans, "Exit HW not ready\n"); + goto out_pci_disable_msi; + } + /* * in-order to recognize C step driver should read chip version * id located at the AUX bus MISC address space. @@ -2591,13 +2612,14 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, /* Initialize the wait queue for commands */ init_waitqueue_head(&trans_pcie->wait_command_queue); - if (iwl_pcie_alloc_ict(trans)) + ret = iwl_pcie_alloc_ict(trans); + if (ret) goto out_pci_disable_msi; - err = request_threaded_irq(pdev->irq, iwl_pcie_isr, + ret = request_threaded_irq(pdev->irq, iwl_pcie_isr, iwl_pcie_irq_handler, IRQF_SHARED, DRV_NAME, trans); - if (err) { + if (ret) { IWL_ERR(trans, "Error allocating IRQ %d\n", pdev->irq); goto out_free_ict; } @@ -2617,5 +2639,5 @@ out_pci_disable_device: pci_disable_device(pdev); out_no_pci: iwl_trans_free(trans); - return ERR_PTR(err); + return ERR_PTR(ret); } diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index 2b86c2135de3..607acb53c847 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -1875,8 +1875,19 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, /* start timer if queue currently empty */ if (q->read_ptr == q->write_ptr) { - if (txq->wd_timeout) - mod_timer(&txq->stuck_timer, jiffies + txq->wd_timeout); + if (txq->wd_timeout) { + /* + * If the TXQ is active, then set the timer, if not, + * set the timer in remainder so that the timer will + * be armed with the right value when the station will + * wake up. + */ + if (!txq->frozen) + mod_timer(&txq->stuck_timer, + jiffies + txq->wd_timeout); + else + txq->frozen_expiry_remainder = txq->wd_timeout; + } IWL_DEBUG_RPM(trans, "Q: %d first tx - take ref\n", q->id); iwl_trans_pcie_ref(trans); } diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c index b6cc9ff47fc2..1c6788aecc62 100644 --- a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c +++ b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c @@ -172,6 +172,7 @@ static int rsi_load_ta_instructions(struct rsi_common *common) (struct rsi_91x_sdiodev *)adapter->rsi_dev; u32 len; u32 num_blocks; + const u8 *fw; const struct firmware *fw_entry = NULL; u32 block_size = dev->tx_blk_size; int status = 0; @@ -200,6 +201,10 @@ static int rsi_load_ta_instructions(struct rsi_common *common) return status; } + /* Copy firmware into DMA-accessible memory */ + fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL); + if (!fw) + return -ENOMEM; len = fw_entry->size; if (len % 4) @@ -210,7 +215,8 @@ static int rsi_load_ta_instructions(struct rsi_common *common) rsi_dbg(INIT_ZONE, "%s: Instruction size:%d\n", __func__, len); rsi_dbg(INIT_ZONE, "%s: num blocks: %d\n", __func__, num_blocks); - status = rsi_copy_to_card(common, fw_entry->data, len, num_blocks); + status = rsi_copy_to_card(common, fw, len, num_blocks); + kfree(fw); release_firmware(fw_entry); return status; } diff --git a/drivers/net/wireless/rsi/rsi_91x_usb_ops.c b/drivers/net/wireless/rsi/rsi_91x_usb_ops.c index 1106ce76707e..30c2cf7fa93b 100644 --- a/drivers/net/wireless/rsi/rsi_91x_usb_ops.c +++ b/drivers/net/wireless/rsi/rsi_91x_usb_ops.c @@ -146,7 +146,10 @@ static int rsi_load_ta_instructions(struct rsi_common *common) return status; } + /* Copy firmware into DMA-accessible memory */ fw = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL); + if (!fw) + return -ENOMEM; len = fw_entry->size; if (len % 4) @@ -158,6 +161,7 @@ static int rsi_load_ta_instructions(struct rsi_common *common) rsi_dbg(INIT_ZONE, "%s: num blocks: %d\n", __func__, num_blocks); status = rsi_copy_to_card(common, fw, len, num_blocks); + kfree(fw); release_firmware(fw_entry); return status; } diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c index 3b3a88b53b11..585d0883c7e5 100644 --- a/drivers/net/wireless/rtlwifi/core.c +++ b/drivers/net/wireless/rtlwifi/core.c @@ -1015,9 +1015,12 @@ static void send_beacon_frame(struct ieee80211_hw *hw, { struct rtl_priv *rtlpriv = rtl_priv(hw); struct sk_buff *skb = ieee80211_beacon_get(hw, vif); + struct rtl_tcb_desc tcb_desc; - if (skb) - rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, NULL); + if (skb) { + memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); + rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc); + } } static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/rtlwifi/rtl8723be/sw.c b/drivers/net/wireless/rtlwifi/rtl8723be/sw.c index 1017f02d7bf7..7bf88d9dcdc3 100644 --- a/drivers/net/wireless/rtlwifi/rtl8723be/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8723be/sw.c @@ -385,6 +385,7 @@ module_param_named(debug, rtl8723be_mod_params.debug, int, 0444); module_param_named(ips, rtl8723be_mod_params.inactiveps, bool, 0444); module_param_named(swlps, rtl8723be_mod_params.swctrl_lps, bool, 0444); module_param_named(fwlps, rtl8723be_mod_params.fwctrl_lps, bool, 0444); +module_param_named(msi, rtl8723be_mod_params.msi_support, bool, 0444); module_param_named(disable_watchdog, rtl8723be_mod_params.disable_watchdog, bool, 0444); MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n"); diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 1a83e190fc15..28577a31549d 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -61,6 +61,12 @@ void xenvif_skb_zerocopy_prepare(struct xenvif_queue *queue, void xenvif_skb_zerocopy_complete(struct xenvif_queue *queue) { atomic_dec(&queue->inflight_packets); + + /* Wake the dealloc thread _after_ decrementing inflight_packets so + * that if kthread_stop() has already been called, the dealloc thread + * does not wait forever with nothing to wake it. + */ + wake_up(&queue->dealloc_wq); } int xenvif_schedulable(struct xenvif *vif) diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 880d0d63e872..3f44b522b831 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -810,23 +810,17 @@ static inline struct sk_buff *xenvif_alloc_skb(unsigned int size) static struct gnttab_map_grant_ref *xenvif_get_requests(struct xenvif_queue *queue, struct sk_buff *skb, struct xen_netif_tx_request *txp, - struct gnttab_map_grant_ref *gop) + struct gnttab_map_grant_ref *gop, + unsigned int frag_overflow, + struct sk_buff *nskb) { struct skb_shared_info *shinfo = skb_shinfo(skb); skb_frag_t *frags = shinfo->frags; u16 pending_idx = XENVIF_TX_CB(skb)->pending_idx; int start; pending_ring_idx_t index; - unsigned int nr_slots, frag_overflow = 0; + unsigned int nr_slots; - /* At this point shinfo->nr_frags is in fact the number of - * slots, which can be as large as XEN_NETBK_LEGACY_SLOTS_MAX. - */ - if (shinfo->nr_frags > MAX_SKB_FRAGS) { - frag_overflow = shinfo->nr_frags - MAX_SKB_FRAGS; - BUG_ON(frag_overflow > MAX_SKB_FRAGS); - shinfo->nr_frags = MAX_SKB_FRAGS; - } nr_slots = shinfo->nr_frags; /* Skip first skb fragment if it is on same page as header fragment. */ @@ -841,13 +835,6 @@ static struct gnttab_map_grant_ref *xenvif_get_requests(struct xenvif_queue *que } if (frag_overflow) { - struct sk_buff *nskb = xenvif_alloc_skb(0); - if (unlikely(nskb == NULL)) { - if (net_ratelimit()) - netdev_err(queue->vif->dev, - "Can't allocate the frag_list skb.\n"); - return NULL; - } shinfo = skb_shinfo(nskb); frags = shinfo->frags; @@ -1175,9 +1162,10 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue, unsigned *copy_ops, unsigned *map_ops) { - struct gnttab_map_grant_ref *gop = queue->tx_map_ops, *request_gop; - struct sk_buff *skb; + struct gnttab_map_grant_ref *gop = queue->tx_map_ops; + struct sk_buff *skb, *nskb; int ret; + unsigned int frag_overflow; while (skb_queue_len(&queue->tx_queue) < budget) { struct xen_netif_tx_request txreq; @@ -1265,6 +1253,29 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue, break; } + skb_shinfo(skb)->nr_frags = ret; + if (data_len < txreq.size) + skb_shinfo(skb)->nr_frags++; + /* At this point shinfo->nr_frags is in fact the number of + * slots, which can be as large as XEN_NETBK_LEGACY_SLOTS_MAX. + */ + frag_overflow = 0; + nskb = NULL; + if (skb_shinfo(skb)->nr_frags > MAX_SKB_FRAGS) { + frag_overflow = skb_shinfo(skb)->nr_frags - MAX_SKB_FRAGS; + BUG_ON(frag_overflow > MAX_SKB_FRAGS); + skb_shinfo(skb)->nr_frags = MAX_SKB_FRAGS; + nskb = xenvif_alloc_skb(0); + if (unlikely(nskb == NULL)) { + kfree_skb(skb); + xenvif_tx_err(queue, &txreq, idx); + if (net_ratelimit()) + netdev_err(queue->vif->dev, + "Can't allocate the frag_list skb.\n"); + break; + } + } + if (extras[XEN_NETIF_EXTRA_TYPE_GSO - 1].type) { struct xen_netif_extra_info *gso; gso = &extras[XEN_NETIF_EXTRA_TYPE_GSO - 1]; @@ -1272,6 +1283,7 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue, if (xenvif_set_skb_gso(queue->vif, skb, gso)) { /* Failure in xenvif_set_skb_gso is fatal. */ kfree_skb(skb); + kfree_skb(nskb); break; } } @@ -1294,9 +1306,7 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue, (*copy_ops)++; - skb_shinfo(skb)->nr_frags = ret; if (data_len < txreq.size) { - skb_shinfo(skb)->nr_frags++; frag_set_pending_idx(&skb_shinfo(skb)->frags[0], pending_idx); xenvif_tx_create_map_op(queue, pending_idx, &txreq, gop); @@ -1310,13 +1320,8 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue, queue->pending_cons++; - request_gop = xenvif_get_requests(queue, skb, txfrags, gop); - if (request_gop == NULL) { - kfree_skb(skb); - xenvif_tx_err(queue, &txreq, idx); - break; - } - gop = request_gop; + gop = xenvif_get_requests(queue, skb, txfrags, gop, + frag_overflow, nskb); __skb_queue_tail(&queue->tx_queue, skb); @@ -1536,7 +1541,6 @@ void xenvif_zerocopy_callback(struct ubuf_info *ubuf, bool zerocopy_success) smp_wmb(); queue->dealloc_prod++; } while (ubuf); - wake_up(&queue->dealloc_wq); spin_unlock_irqrestore(&queue->callback_lock, flags); if (likely(zerocopy_success)) @@ -1566,13 +1570,13 @@ static inline void xenvif_tx_dealloc_action(struct xenvif_queue *queue) smp_rmb(); while (dc != dp) { - BUG_ON(gop - queue->tx_unmap_ops > MAX_PENDING_REQS); + BUG_ON(gop - queue->tx_unmap_ops >= MAX_PENDING_REQS); pending_idx = queue->dealloc_ring[pending_index(dc++)]; - pending_idx_release[gop-queue->tx_unmap_ops] = + pending_idx_release[gop - queue->tx_unmap_ops] = pending_idx; - queue->pages_to_unmap[gop-queue->tx_unmap_ops] = + queue->pages_to_unmap[gop - queue->tx_unmap_ops] = queue->mmap_pages[pending_idx]; gnttab_set_unmap_op(gop, idx_to_kaddr(queue, pending_idx), diff --git a/drivers/ntb/ntb.c b/drivers/ntb/ntb.c index 23435f2a5486..2e2530743831 100644 --- a/drivers/ntb/ntb.c +++ b/drivers/ntb/ntb.c @@ -114,7 +114,7 @@ int ntb_register_device(struct ntb_dev *ntb) ntb->dev.bus = &ntb_bus; ntb->dev.parent = &ntb->pdev->dev; ntb->dev.release = ntb_dev_release; - dev_set_name(&ntb->dev, pci_name(ntb->pdev)); + dev_set_name(&ntb->dev, "%s", pci_name(ntb->pdev)); ntb->ctx = NULL; ntb->ctx_ops = NULL; diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index efe3ad4122f2..1c6386d5f79c 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -142,10 +142,11 @@ struct ntb_transport_qp { void (*rx_handler)(struct ntb_transport_qp *qp, void *qp_data, void *data, int len); + struct list_head rx_post_q; struct list_head rx_pend_q; struct list_head rx_free_q; - spinlock_t ntb_rx_pend_q_lock; - spinlock_t ntb_rx_free_q_lock; + /* ntb_rx_q_lock: synchronize access to rx_XXXX_q */ + spinlock_t ntb_rx_q_lock; void *rx_buff; unsigned int rx_index; unsigned int rx_max_entry; @@ -211,6 +212,8 @@ struct ntb_transport_ctx { bool link_is_up; struct delayed_work link_work; struct work_struct link_cleanup; + + struct dentry *debugfs_node_dir; }; enum { @@ -436,13 +439,17 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf, size_t count, char *buf; ssize_t ret, out_offset, out_count; + qp = filp->private_data; + + if (!qp || !qp->link_is_up) + return 0; + out_count = 1000; buf = kmalloc(out_count, GFP_KERNEL); if (!buf) return -ENOMEM; - qp = filp->private_data; out_offset = 0; out_offset += snprintf(buf + out_offset, out_count - out_offset, "NTB QP stats\n"); @@ -534,6 +541,27 @@ out: return entry; } +static struct ntb_queue_entry *ntb_list_mv(spinlock_t *lock, + struct list_head *list, + struct list_head *to_list) +{ + struct ntb_queue_entry *entry; + unsigned long flags; + + spin_lock_irqsave(lock, flags); + + if (list_empty(list)) { + entry = NULL; + } else { + entry = list_first_entry(list, struct ntb_queue_entry, entry); + list_move_tail(&entry->entry, to_list); + } + + spin_unlock_irqrestore(lock, flags); + + return entry; +} + static int ntb_transport_setup_qp_mw(struct ntb_transport_ctx *nt, unsigned int qp_num) { @@ -601,13 +629,16 @@ static void ntb_free_mw(struct ntb_transport_ctx *nt, int num_mw) } static int ntb_set_mw(struct ntb_transport_ctx *nt, int num_mw, - unsigned int size) + resource_size_t size) { struct ntb_transport_mw *mw = &nt->mw_vec[num_mw]; struct pci_dev *pdev = nt->ndev->pdev; - unsigned int xlat_size, buff_size; + size_t xlat_size, buff_size; int rc; + if (!size) + return -EINVAL; + xlat_size = round_up(size, mw->xlat_align_size); buff_size = round_up(size, mw->xlat_align); @@ -627,7 +658,7 @@ static int ntb_set_mw(struct ntb_transport_ctx *nt, int num_mw, if (!mw->virt_addr) { mw->xlat_size = 0; mw->buff_size = 0; - dev_err(&pdev->dev, "Unable to alloc MW buff of size %d\n", + dev_err(&pdev->dev, "Unable to alloc MW buff of size %zu\n", buff_size); return -ENOMEM; } @@ -867,6 +898,8 @@ static void ntb_qp_link_work(struct work_struct *work) if (qp->event_handler) qp->event_handler(qp->cb_data, qp->link_is_up); + + tasklet_schedule(&qp->rxc_db_work); } else if (nt->link_is_up) schedule_delayed_work(&qp->link_work, msecs_to_jiffies(NTB_LINK_DOWN_TIMEOUT)); @@ -923,12 +956,12 @@ static int ntb_transport_init_queue(struct ntb_transport_ctx *nt, qp->tx_max_frame = min(transport_mtu, tx_size / 2); qp->tx_max_entry = tx_size / qp->tx_max_frame; - if (nt_debugfs_dir) { + if (nt->debugfs_node_dir) { char debugfs_name[4]; snprintf(debugfs_name, 4, "qp%d", qp_num); qp->debugfs_dir = debugfs_create_dir(debugfs_name, - nt_debugfs_dir); + nt->debugfs_node_dir); qp->debugfs_stats = debugfs_create_file("stats", S_IRUSR, qp->debugfs_dir, qp, @@ -941,10 +974,10 @@ static int ntb_transport_init_queue(struct ntb_transport_ctx *nt, INIT_DELAYED_WORK(&qp->link_work, ntb_qp_link_work); INIT_WORK(&qp->link_cleanup, ntb_qp_link_cleanup_work); - spin_lock_init(&qp->ntb_rx_pend_q_lock); - spin_lock_init(&qp->ntb_rx_free_q_lock); + spin_lock_init(&qp->ntb_rx_q_lock); spin_lock_init(&qp->ntb_tx_free_q_lock); + INIT_LIST_HEAD(&qp->rx_post_q); INIT_LIST_HEAD(&qp->rx_pend_q); INIT_LIST_HEAD(&qp->rx_free_q); INIT_LIST_HEAD(&qp->tx_free_q); @@ -1031,6 +1064,12 @@ static int ntb_transport_probe(struct ntb_client *self, struct ntb_dev *ndev) goto err2; } + if (nt_debugfs_dir) { + nt->debugfs_node_dir = + debugfs_create_dir(pci_name(ndev->pdev), + nt_debugfs_dir); + } + for (i = 0; i < qp_count; i++) { rc = ntb_transport_init_queue(nt, i); if (rc) @@ -1107,22 +1146,47 @@ static void ntb_transport_free(struct ntb_client *self, struct ntb_dev *ndev) kfree(nt); } -static void ntb_rx_copy_callback(void *data) +static void ntb_complete_rxc(struct ntb_transport_qp *qp) { - struct ntb_queue_entry *entry = data; - struct ntb_transport_qp *qp = entry->qp; - void *cb_data = entry->cb_data; - unsigned int len = entry->len; - struct ntb_payload_header *hdr = entry->rx_hdr; + struct ntb_queue_entry *entry; + void *cb_data; + unsigned int len; + unsigned long irqflags; + + spin_lock_irqsave(&qp->ntb_rx_q_lock, irqflags); + + while (!list_empty(&qp->rx_post_q)) { + entry = list_first_entry(&qp->rx_post_q, + struct ntb_queue_entry, entry); + if (!(entry->flags & DESC_DONE_FLAG)) + break; + + entry->rx_hdr->flags = 0; + iowrite32(entry->index, &qp->rx_info->entry); - hdr->flags = 0; + cb_data = entry->cb_data; + len = entry->len; - iowrite32(entry->index, &qp->rx_info->entry); + list_move_tail(&entry->entry, &qp->rx_free_q); - ntb_list_add(&qp->ntb_rx_free_q_lock, &entry->entry, &qp->rx_free_q); + spin_unlock_irqrestore(&qp->ntb_rx_q_lock, irqflags); - if (qp->rx_handler && qp->client_ready) - qp->rx_handler(qp, qp->cb_data, cb_data, len); + if (qp->rx_handler && qp->client_ready) + qp->rx_handler(qp, qp->cb_data, cb_data, len); + + spin_lock_irqsave(&qp->ntb_rx_q_lock, irqflags); + } + + spin_unlock_irqrestore(&qp->ntb_rx_q_lock, irqflags); +} + +static void ntb_rx_copy_callback(void *data) +{ + struct ntb_queue_entry *entry = data; + + entry->flags |= DESC_DONE_FLAG; + + ntb_complete_rxc(entry->qp); } static void ntb_memcpy_rx(struct ntb_queue_entry *entry, void *offset) @@ -1138,19 +1202,18 @@ static void ntb_memcpy_rx(struct ntb_queue_entry *entry, void *offset) ntb_rx_copy_callback(entry); } -static void ntb_async_rx(struct ntb_queue_entry *entry, void *offset, - size_t len) +static void ntb_async_rx(struct ntb_queue_entry *entry, void *offset) { struct dma_async_tx_descriptor *txd; struct ntb_transport_qp *qp = entry->qp; struct dma_chan *chan = qp->dma_chan; struct dma_device *device; - size_t pay_off, buff_off; + size_t pay_off, buff_off, len; struct dmaengine_unmap_data *unmap; dma_cookie_t cookie; void *buf = entry->buf; - entry->len = len; + len = entry->len; if (!chan) goto err; @@ -1226,7 +1289,6 @@ static int ntb_process_rxc(struct ntb_transport_qp *qp) struct ntb_payload_header *hdr; struct ntb_queue_entry *entry; void *offset; - int rc; offset = qp->rx_buff + qp->rx_max_frame * qp->rx_index; hdr = offset + qp->rx_max_frame - sizeof(struct ntb_payload_header); @@ -1255,65 +1317,43 @@ static int ntb_process_rxc(struct ntb_transport_qp *qp) return -EIO; } - entry = ntb_list_rm(&qp->ntb_rx_pend_q_lock, &qp->rx_pend_q); + entry = ntb_list_mv(&qp->ntb_rx_q_lock, &qp->rx_pend_q, &qp->rx_post_q); if (!entry) { dev_dbg(&qp->ndev->pdev->dev, "no receive buffer\n"); qp->rx_err_no_buf++; - - rc = -ENOMEM; - goto err; + return -EAGAIN; } + entry->rx_hdr = hdr; + entry->index = qp->rx_index; + if (hdr->len > entry->len) { dev_dbg(&qp->ndev->pdev->dev, "receive buffer overflow! Wanted %d got %d\n", hdr->len, entry->len); qp->rx_err_oflow++; - rc = -EIO; - goto err; - } + entry->len = -EIO; + entry->flags |= DESC_DONE_FLAG; - dev_dbg(&qp->ndev->pdev->dev, - "RX OK index %u ver %u size %d into buf size %d\n", - qp->rx_index, hdr->ver, hdr->len, entry->len); + ntb_complete_rxc(qp); + } else { + dev_dbg(&qp->ndev->pdev->dev, + "RX OK index %u ver %u size %d into buf size %d\n", + qp->rx_index, hdr->ver, hdr->len, entry->len); - qp->rx_bytes += hdr->len; - qp->rx_pkts++; + qp->rx_bytes += hdr->len; + qp->rx_pkts++; - entry->index = qp->rx_index; - entry->rx_hdr = hdr; + entry->len = hdr->len; - ntb_async_rx(entry, offset, hdr->len); + ntb_async_rx(entry, offset); + } qp->rx_index++; qp->rx_index %= qp->rx_max_entry; return 0; - -err: - /* FIXME: if this syncrhonous update of the rx_index gets ahead of - * asyncrhonous ntb_rx_copy_callback of previous entry, there are three - * scenarios: - * - * 1) The peer might miss this update, but observe the update - * from the memcpy completion callback. In this case, the buffer will - * not be freed on the peer to be reused for a different packet. The - * successful rx of a later packet would clear the condition, but the - * condition could persist if several rx fail in a row. - * - * 2) The peer may observe this update before the asyncrhonous copy of - * prior packets is completed. The peer may overwrite the buffers of - * the prior packets before they are copied. - * - * 3) Both: the peer may observe the update, and then observe the index - * decrement by the asynchronous completion callback. Who knows what - * badness that will cause. - */ - hdr->flags = 0; - iowrite32(qp->rx_index, &qp->rx_info->entry); - - return rc; } static void ntb_transport_rxc_db(unsigned long data) @@ -1333,7 +1373,7 @@ static void ntb_transport_rxc_db(unsigned long data) break; } - if (qp->dma_chan) + if (i && qp->dma_chan) dma_async_issue_pending(qp->dma_chan); if (i == qp->rx_max_entry) { @@ -1609,7 +1649,7 @@ ntb_transport_create_queue(void *data, struct device *client_dev, goto err1; entry->qp = qp; - ntb_list_add(&qp->ntb_rx_free_q_lock, &entry->entry, + ntb_list_add(&qp->ntb_rx_q_lock, &entry->entry, &qp->rx_free_q); } @@ -1634,7 +1674,7 @@ err2: while ((entry = ntb_list_rm(&qp->ntb_tx_free_q_lock, &qp->tx_free_q))) kfree(entry); err1: - while ((entry = ntb_list_rm(&qp->ntb_rx_free_q_lock, &qp->rx_free_q))) + while ((entry = ntb_list_rm(&qp->ntb_rx_q_lock, &qp->rx_free_q))) kfree(entry); if (qp->dma_chan) dma_release_channel(qp->dma_chan); @@ -1652,7 +1692,6 @@ EXPORT_SYMBOL_GPL(ntb_transport_create_queue); */ void ntb_transport_free_queue(struct ntb_transport_qp *qp) { - struct ntb_transport_ctx *nt = qp->transport; struct pci_dev *pdev; struct ntb_queue_entry *entry; u64 qp_bit; @@ -1689,18 +1728,23 @@ void ntb_transport_free_queue(struct ntb_transport_qp *qp) qp->tx_handler = NULL; qp->event_handler = NULL; - while ((entry = ntb_list_rm(&qp->ntb_rx_free_q_lock, &qp->rx_free_q))) + while ((entry = ntb_list_rm(&qp->ntb_rx_q_lock, &qp->rx_free_q))) kfree(entry); - while ((entry = ntb_list_rm(&qp->ntb_rx_pend_q_lock, &qp->rx_pend_q))) { - dev_warn(&pdev->dev, "Freeing item from a non-empty queue\n"); + while ((entry = ntb_list_rm(&qp->ntb_rx_q_lock, &qp->rx_pend_q))) { + dev_warn(&pdev->dev, "Freeing item from non-empty rx_pend_q\n"); + kfree(entry); + } + + while ((entry = ntb_list_rm(&qp->ntb_rx_q_lock, &qp->rx_post_q))) { + dev_warn(&pdev->dev, "Freeing item from non-empty rx_post_q\n"); kfree(entry); } while ((entry = ntb_list_rm(&qp->ntb_tx_free_q_lock, &qp->tx_free_q))) kfree(entry); - nt->qp_bitmap_free |= qp_bit; + qp->transport->qp_bitmap_free |= qp_bit; dev_info(&pdev->dev, "NTB Transport QP %d freed\n", qp->qp_num); } @@ -1724,14 +1768,14 @@ void *ntb_transport_rx_remove(struct ntb_transport_qp *qp, unsigned int *len) if (!qp || qp->client_ready) return NULL; - entry = ntb_list_rm(&qp->ntb_rx_pend_q_lock, &qp->rx_pend_q); + entry = ntb_list_rm(&qp->ntb_rx_q_lock, &qp->rx_pend_q); if (!entry) return NULL; buf = entry->cb_data; *len = entry->len; - ntb_list_add(&qp->ntb_rx_free_q_lock, &entry->entry, &qp->rx_free_q); + ntb_list_add(&qp->ntb_rx_q_lock, &entry->entry, &qp->rx_free_q); return buf; } @@ -1757,15 +1801,18 @@ int ntb_transport_rx_enqueue(struct ntb_transport_qp *qp, void *cb, void *data, if (!qp) return -EINVAL; - entry = ntb_list_rm(&qp->ntb_rx_free_q_lock, &qp->rx_free_q); + entry = ntb_list_rm(&qp->ntb_rx_q_lock, &qp->rx_free_q); if (!entry) return -ENOMEM; entry->cb_data = cb; entry->buf = data; entry->len = len; + entry->flags = 0; + + ntb_list_add(&qp->ntb_rx_q_lock, &entry->entry, &qp->rx_pend_q); - ntb_list_add(&qp->ntb_rx_pend_q_lock, &entry->entry, &qp->rx_pend_q); + tasklet_schedule(&qp->rxc_db_work); return 0; } diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index a5233422f9dc..7384455792bf 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -458,10 +458,15 @@ static void nd_region_notify_driver_action(struct nvdimm_bus *nvdimm_bus, nvdimm_bus_unlock(dev); } if (is_nd_btt(dev) && probe) { + struct nd_btt *nd_btt = to_nd_btt(dev); + nd_region = to_nd_region(dev->parent); nvdimm_bus_lock(dev); if (nd_region->btt_seed == dev) nd_region_create_btt_seed(nd_region); + if (nd_region->ns_seed == &nd_btt->ndns->dev && + is_nd_blk(dev->parent)) + nd_region_create_blk_seed(nd_region); nvdimm_bus_unlock(dev); } } diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index 8df1b1777745..59bb8556e43a 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -47,7 +47,7 @@ config OF_DYNAMIC config OF_ADDRESS def_bool y - depends on !SPARC + depends on !SPARC && HAS_IOMEM select OF_ADDRESS_PCI if PCI config OF_ADDRESS_PCI diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 18016341d5a9..9f71770b6226 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -979,7 +979,6 @@ static struct platform_driver unittest_driver = { .remove = unittest_remove, .driver = { .name = "unittest", - .owner = THIS_MODULE, .of_match_table = of_match_ptr(unittest_match), }, }; @@ -1666,7 +1665,6 @@ static const struct i2c_device_id unittest_i2c_dev_id[] = { static struct i2c_driver unittest_i2c_dev_driver = { .driver = { .name = "unittest-i2c-dev", - .owner = THIS_MODULE, }, .probe = unittest_i2c_dev_probe, .remove = unittest_i2c_dev_remove, @@ -1761,7 +1759,6 @@ static const struct i2c_device_id unittest_i2c_mux_id[] = { static struct i2c_driver unittest_i2c_mux_driver = { .driver = { .name = "unittest-i2c-mux", - .owner = THIS_MODULE, }, .probe = unittest_i2c_mux_probe, .remove = unittest_i2c_mux_remove, diff --git a/drivers/parport/share.c b/drivers/parport/share.c index 8067f54ce050..5ce5ef211bdb 100644 --- a/drivers/parport/share.c +++ b/drivers/parport/share.c @@ -891,8 +891,10 @@ parport_register_dev_model(struct parport *port, const char *name, par_dev->dev.release = free_pardevice; par_dev->devmodel = true; ret = device_register(&par_dev->dev); - if (ret) - goto err_put_dev; + if (ret) { + put_device(&par_dev->dev); + goto err_put_port; + } /* Chain this onto the list */ par_dev->prev = NULL; @@ -907,7 +909,8 @@ parport_register_dev_model(struct parport *port, const char *name, spin_unlock(&port->physport->pardevice_lock); pr_debug("%s: cannot grant exclusive access for device %s\n", port->name, name); - goto err_put_dev; + device_unregister(&par_dev->dev); + goto err_put_port; } port->flags |= PARPORT_FLAG_EXCL; } @@ -938,8 +941,6 @@ parport_register_dev_model(struct parport *port, const char *name, return par_dev; -err_put_dev: - put_device(&par_dev->dev); err_free_devname: kfree(devname); err_free_par_dev: diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 73de4efcbe6e..944f50015ed0 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -2,7 +2,7 @@ # PCI configuration # config PCI_BUS_ADDR_T_64BIT - def_bool y if (ARCH_DMA_ADDR_T_64BIT || 64BIT) + def_bool y if (ARCH_DMA_ADDR_T_64BIT || (64BIT && !PARISC)) depends on PCI config PCI_MSI diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index cefd636681b6..f6ae0d0052eb 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -997,7 +997,12 @@ void set_pcie_port_type(struct pci_dev *pdev) else if (type == PCI_EXP_TYPE_UPSTREAM || type == PCI_EXP_TYPE_DOWNSTREAM) { parent = pci_upstream_bridge(pdev); - if (!parent->has_secondary_link) + + /* + * Usually there's an upstream device (Root Port or Switch + * Downstream Port), but we can't assume one exists. + */ + if (parent && !parent->has_secondary_link) pdev->has_secondary_link = 1; } } @@ -1103,7 +1108,7 @@ int pci_cfg_space_size(struct pci_dev *dev) #define LEGACY_IO_RESOURCE (IORESOURCE_IO | IORESOURCE_PCI_FIXED) -static void pci_msi_setup_pci_dev(struct pci_dev *dev) +void pci_msi_setup_pci_dev(struct pci_dev *dev) { /* * Disable the MSI hardware to avoid screaming interrupts diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index c0e6ede3e27d..6b8dd162f644 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -56,6 +56,7 @@ config PHY_EXYNOS_MIPI_VIDEO config PHY_PXA_28NM_HSIC tristate "Marvell USB HSIC 28nm PHY Driver" + depends on HAS_IOMEM select GENERIC_PHY help Enable this to support Marvell USB HSIC PHY driver for Marvell @@ -66,6 +67,7 @@ config PHY_PXA_28NM_HSIC config PHY_PXA_28NM_USB2 tristate "Marvell USB 2.0 28nm PHY Driver" + depends on HAS_IOMEM select GENERIC_PHY help Enable this to support Marvell USB 2.0 PHY driver for Marvell diff --git a/drivers/phy/phy-berlin-usb.c b/drivers/phy/phy-berlin-usb.c index c6fc95b53083..335e06d66ed9 100644 --- a/drivers/phy/phy-berlin-usb.c +++ b/drivers/phy/phy-berlin-usb.c @@ -105,9 +105,9 @@ static const u32 phy_berlin_pll_dividers[] = { /* Berlin 2 */ - CLK_REF_DIV(0xc) | FEEDBACK_CLK_DIV(0x54), - /* Berlin 2CD */ CLK_REF_DIV(0x6) | FEEDBACK_CLK_DIV(0x55), + /* Berlin 2CD/Q */ + CLK_REF_DIV(0xc) | FEEDBACK_CLK_DIV(0x54), }; struct phy_berlin_usb_priv { diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c index e17c539e4f6f..2dad7e820ff0 100644 --- a/drivers/phy/phy-sun4i-usb.c +++ b/drivers/phy/phy-sun4i-usb.c @@ -212,6 +212,7 @@ void sun4i_usb_phy_set_squelch_detect(struct phy *_phy, bool enabled) sun4i_usb_phy_write(phy, PHY_SQUELCH_DETECT, enabled ? 0 : 2, 2); } +EXPORT_SYMBOL_GPL(sun4i_usb_phy_set_squelch_detect); static struct phy_ops sun4i_usb_phy_ops = { .init = sun4i_usb_phy_init, diff --git a/drivers/phy/phy-ti-pipe3.c b/drivers/phy/phy-ti-pipe3.c index 53f295c1bab1..08020dc2c7c8 100644 --- a/drivers/phy/phy-ti-pipe3.c +++ b/drivers/phy/phy-ti-pipe3.c @@ -28,7 +28,8 @@ #include <linux/delay.h> #include <linux/phy/omap_control_phy.h> #include <linux/of_platform.h> -#include <linux/spinlock.h> +#include <linux/mfd/syscon.h> +#include <linux/regmap.h> #define PLL_STATUS 0x00000004 #define PLL_GO 0x00000008 @@ -53,6 +54,8 @@ #define PLL_LOCK 0x2 #define PLL_IDLE 0x1 +#define SATA_PLL_SOFT_RESET BIT(18) + /* * This is an Empirical value that works, need to confirm the actual * value required for the PIPE3PHY_PLL_CONFIGURATION2.PLL_IDLE status @@ -83,10 +86,9 @@ struct ti_pipe3 { struct clk *refclk; struct clk *div_clk; struct pipe3_dpll_map *dpll_map; - bool enabled; - spinlock_t lock; /* serialize clock enable/disable */ - /* the below flag is needed specifically for SATA */ - bool refclk_enabled; + struct regmap *dpll_reset_syscon; /* ctrl. reg. acces */ + unsigned int dpll_reset_reg; /* reg. index within syscon */ + bool sata_refclk_enabled; }; static struct pipe3_dpll_map dpll_map_usb[] = { @@ -137,6 +139,9 @@ static struct pipe3_dpll_params *ti_pipe3_get_dpll_params(struct ti_pipe3 *phy) return NULL; } +static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy); +static void ti_pipe3_disable_clocks(struct ti_pipe3 *phy); + static int ti_pipe3_power_off(struct phy *x) { struct ti_pipe3 *phy = phy_get_drvdata(x); @@ -217,6 +222,7 @@ static int ti_pipe3_init(struct phy *x) u32 val; int ret = 0; + ti_pipe3_enable_clocks(phy); /* * Set pcie_pcs register to 0x96 for proper functioning of phy * as recommended in AM572x TRM SPRUHZ6, section 18.5.2.2, table @@ -250,33 +256,46 @@ static int ti_pipe3_exit(struct phy *x) u32 val; unsigned long timeout; - /* SATA DPLL can't be powered down due to Errata i783 and PCIe - * does not have internal DPLL + /* If dpll_reset_syscon is not present we wont power down SATA DPLL + * due to Errata i783 */ - if (of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-sata") || - of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-pcie")) + if (of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-sata") && + !phy->dpll_reset_syscon) return 0; - /* Put DPLL in IDLE mode */ - val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION2); - val |= PLL_IDLE; - ti_pipe3_writel(phy->pll_ctrl_base, PLL_CONFIGURATION2, val); + /* PCIe doesn't have internal DPLL */ + if (!of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-pcie")) { + /* Put DPLL in IDLE mode */ + val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_CONFIGURATION2); + val |= PLL_IDLE; + ti_pipe3_writel(phy->pll_ctrl_base, PLL_CONFIGURATION2, val); - /* wait for LDO and Oscillator to power down */ - timeout = jiffies + msecs_to_jiffies(PLL_IDLE_TIME); - do { - cpu_relax(); - val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_STATUS); - if ((val & PLL_TICOPWDN) && (val & PLL_LDOPWDN)) - break; - } while (!time_after(jiffies, timeout)); + /* wait for LDO and Oscillator to power down */ + timeout = jiffies + msecs_to_jiffies(PLL_IDLE_TIME); + do { + cpu_relax(); + val = ti_pipe3_readl(phy->pll_ctrl_base, PLL_STATUS); + if ((val & PLL_TICOPWDN) && (val & PLL_LDOPWDN)) + break; + } while (!time_after(jiffies, timeout)); + + if (!(val & PLL_TICOPWDN) || !(val & PLL_LDOPWDN)) { + dev_err(phy->dev, "Failed to power down: PLL_STATUS 0x%x\n", + val); + return -EBUSY; + } + } - if (!(val & PLL_TICOPWDN) || !(val & PLL_LDOPWDN)) { - dev_err(phy->dev, "Failed to power down: PLL_STATUS 0x%x\n", - val); - return -EBUSY; + /* i783: SATA needs control bit toggle after PLL unlock */ + if (of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-sata")) { + regmap_update_bits(phy->dpll_reset_syscon, phy->dpll_reset_reg, + SATA_PLL_SOFT_RESET, SATA_PLL_SOFT_RESET); + regmap_update_bits(phy->dpll_reset_syscon, phy->dpll_reset_reg, + SATA_PLL_SOFT_RESET, 0); } + ti_pipe3_disable_clocks(phy); + return 0; } static struct phy_ops ops = { @@ -306,7 +325,6 @@ static int ti_pipe3_probe(struct platform_device *pdev) return -ENOMEM; phy->dev = &pdev->dev; - spin_lock_init(&phy->lock); if (!of_device_is_compatible(node, "ti,phy-pipe3-pcie")) { match = of_match_device(ti_pipe3_id_table, &pdev->dev); @@ -350,6 +368,21 @@ static int ti_pipe3_probe(struct platform_device *pdev) } } else { phy->wkupclk = ERR_PTR(-ENODEV); + phy->dpll_reset_syscon = syscon_regmap_lookup_by_phandle(node, + "syscon-pllreset"); + if (IS_ERR(phy->dpll_reset_syscon)) { + dev_info(&pdev->dev, + "can't get syscon-pllreset, sata dpll won't idle\n"); + phy->dpll_reset_syscon = NULL; + } else { + if (of_property_read_u32_index(node, + "syscon-pllreset", 1, + &phy->dpll_reset_reg)) { + dev_err(&pdev->dev, + "couldn't get pllreset reg. offset\n"); + return -EINVAL; + } + } } if (of_device_is_compatible(node, "ti,phy-pipe3-pcie")) { @@ -403,6 +436,16 @@ static int ti_pipe3_probe(struct platform_device *pdev) platform_set_drvdata(pdev, phy); pm_runtime_enable(phy->dev); + /* + * Prevent auto-disable of refclk for SATA PHY due to Errata i783 + */ + if (of_device_is_compatible(node, "ti,phy-pipe3-sata")) { + if (!IS_ERR(phy->refclk)) { + clk_prepare_enable(phy->refclk); + phy->sata_refclk_enabled = true; + } + } + generic_phy = devm_phy_create(phy->dev, NULL, &ops); if (IS_ERR(generic_phy)) return PTR_ERR(generic_phy); @@ -413,63 +456,33 @@ static int ti_pipe3_probe(struct platform_device *pdev) if (IS_ERR(phy_provider)) return PTR_ERR(phy_provider); - pm_runtime_get(&pdev->dev); - return 0; } static int ti_pipe3_remove(struct platform_device *pdev) { - if (!pm_runtime_suspended(&pdev->dev)) - pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); return 0; } -#ifdef CONFIG_PM -static int ti_pipe3_enable_refclk(struct ti_pipe3 *phy) +static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy) { - if (!IS_ERR(phy->refclk) && !phy->refclk_enabled) { - int ret; + int ret = 0; + if (!IS_ERR(phy->refclk)) { ret = clk_prepare_enable(phy->refclk); if (ret) { dev_err(phy->dev, "Failed to enable refclk %d\n", ret); return ret; } - phy->refclk_enabled = true; } - return 0; -} - -static void ti_pipe3_disable_refclk(struct ti_pipe3 *phy) -{ - if (!IS_ERR(phy->refclk)) - clk_disable_unprepare(phy->refclk); - - phy->refclk_enabled = false; -} - -static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy) -{ - int ret = 0; - unsigned long flags; - - spin_lock_irqsave(&phy->lock, flags); - if (phy->enabled) - goto err1; - - ret = ti_pipe3_enable_refclk(phy); - if (ret) - goto err1; - if (!IS_ERR(phy->wkupclk)) { ret = clk_prepare_enable(phy->wkupclk); if (ret) { dev_err(phy->dev, "Failed to enable wkupclk %d\n", ret); - goto err2; + goto disable_refclk; } } @@ -477,96 +490,43 @@ static int ti_pipe3_enable_clocks(struct ti_pipe3 *phy) ret = clk_prepare_enable(phy->div_clk); if (ret) { dev_err(phy->dev, "Failed to enable div_clk %d\n", ret); - goto err3; + goto disable_wkupclk; } } - phy->enabled = true; - spin_unlock_irqrestore(&phy->lock, flags); return 0; -err3: +disable_wkupclk: if (!IS_ERR(phy->wkupclk)) clk_disable_unprepare(phy->wkupclk); -err2: +disable_refclk: if (!IS_ERR(phy->refclk)) clk_disable_unprepare(phy->refclk); - ti_pipe3_disable_refclk(phy); -err1: - spin_unlock_irqrestore(&phy->lock, flags); return ret; } static void ti_pipe3_disable_clocks(struct ti_pipe3 *phy) { - unsigned long flags; - - spin_lock_irqsave(&phy->lock, flags); - if (!phy->enabled) { - spin_unlock_irqrestore(&phy->lock, flags); - return; - } - if (!IS_ERR(phy->wkupclk)) clk_disable_unprepare(phy->wkupclk); - /* Don't disable refclk for SATA PHY due to Errata i783 */ - if (!of_device_is_compatible(phy->dev->of_node, "ti,phy-pipe3-sata")) - ti_pipe3_disable_refclk(phy); + if (!IS_ERR(phy->refclk)) { + clk_disable_unprepare(phy->refclk); + /* + * SATA refclk needs an additional disable as we left it + * on in probe to avoid Errata i783 + */ + if (phy->sata_refclk_enabled) { + clk_disable_unprepare(phy->refclk); + phy->sata_refclk_enabled = false; + } + } + if (!IS_ERR(phy->div_clk)) clk_disable_unprepare(phy->div_clk); - phy->enabled = false; - spin_unlock_irqrestore(&phy->lock, flags); } -static int ti_pipe3_runtime_suspend(struct device *dev) -{ - struct ti_pipe3 *phy = dev_get_drvdata(dev); - - ti_pipe3_disable_clocks(phy); - return 0; -} - -static int ti_pipe3_runtime_resume(struct device *dev) -{ - struct ti_pipe3 *phy = dev_get_drvdata(dev); - int ret = 0; - - ret = ti_pipe3_enable_clocks(phy); - return ret; -} - -static int ti_pipe3_suspend(struct device *dev) -{ - struct ti_pipe3 *phy = dev_get_drvdata(dev); - - ti_pipe3_disable_clocks(phy); - return 0; -} - -static int ti_pipe3_resume(struct device *dev) -{ - struct ti_pipe3 *phy = dev_get_drvdata(dev); - int ret; - - ret = ti_pipe3_enable_clocks(phy); - if (ret) - return ret; - - pm_runtime_disable(dev); - pm_runtime_set_active(dev); - pm_runtime_enable(dev); - return 0; -} -#endif - -static const struct dev_pm_ops ti_pipe3_pm_ops = { - SET_RUNTIME_PM_OPS(ti_pipe3_runtime_suspend, - ti_pipe3_runtime_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(ti_pipe3_suspend, ti_pipe3_resume) -}; - static const struct of_device_id ti_pipe3_id_table[] = { { .compatible = "ti,phy-usb3", @@ -592,7 +552,6 @@ static struct platform_driver ti_pipe3_driver = { .remove = ti_pipe3_remove, .driver = { .name = "ti-pipe3", - .pm = &ti_pipe3_pm_ops, .of_match_table = ti_pipe3_id_table, }, }; diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index efcf2a2b3975..6177315ab74e 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -473,6 +473,8 @@ static void bcm2835_gpio_irq_disable(struct irq_data *data) spin_lock_irqsave(&pc->irq_lock[bank], flags); bcm2835_gpio_irq_config(pc, gpio, false); + /* Clear events that were latched prior to clearing event sources */ + bcm2835_gpio_set_bit(pc, GPEDS0, gpio); clear_bit(offset, &pc->enabled_irq_map[bank]); spin_unlock_irqrestore(&pc->irq_lock[bank], flags); } diff --git a/drivers/pinctrl/freescale/pinctrl-imx1-core.c b/drivers/pinctrl/freescale/pinctrl-imx1-core.c index 5fd4437cee15..88a7fac11bd4 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx1-core.c +++ b/drivers/pinctrl/freescale/pinctrl-imx1-core.c @@ -403,14 +403,13 @@ static int imx1_pinconf_set(struct pinctrl_dev *pctldev, unsigned num_configs) { struct imx1_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev); - const struct imx1_pinctrl_soc_info *info = ipctl->info; int i; for (i = 0; i != num_configs; ++i) { imx1_write_bit(ipctl, pin_id, configs[i] & 0x01, MX1_PUEN); dev_dbg(ipctl->dev, "pinconf set pullup pin %s\n", - info->pins[pin_id].name); + pin_desc_get(pctldev, pin_id)->name); } return 0; diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.c b/drivers/pinctrl/nomadik/pinctrl-abx500.c index 557d0f2a3031..97681fac082e 100644 --- a/drivers/pinctrl/nomadik/pinctrl-abx500.c +++ b/drivers/pinctrl/nomadik/pinctrl-abx500.c @@ -787,7 +787,6 @@ static const struct pinmux_ops abx500_pinmux_ops = { .set_mux = abx500_pmx_set, .gpio_request_enable = abx500_gpio_request_enable, .gpio_disable_free = abx500_gpio_disable_free, - .strict = true, }; static int abx500_get_groups_cnt(struct pinctrl_dev *pctldev) diff --git a/drivers/pinctrl/pinctrl-lpc18xx.c b/drivers/pinctrl/pinctrl-lpc18xx.c index ef0b697639a7..347c763a6a78 100644 --- a/drivers/pinctrl/pinctrl-lpc18xx.c +++ b/drivers/pinctrl/pinctrl-lpc18xx.c @@ -823,7 +823,7 @@ static int lpc18xx_pconf_set_i2c0(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_INPUT_SCHMITT_ENABLE: - if (param) + if (param_val) *reg &= ~(LPC18XX_SCU_I2C0_ZIF << shift); else *reg |= (LPC18XX_SCU_I2C0_ZIF << shift); @@ -876,7 +876,7 @@ static int lpc18xx_pconf_set_pin(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_INPUT_SCHMITT_ENABLE: - if (param) + if (param_val) *reg &= ~LPC18XX_SCU_PIN_ZIF; else *reg |= LPC18XX_SCU_PIN_ZIF; diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index b2de09d3b1a0..0b8d480171a3 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1760,7 +1760,8 @@ static int pcs_irq_init_chained_handler(struct pcs_device *pcs, int res; res = request_irq(pcs_soc->irq, pcs_irq_handler, - IRQF_SHARED | IRQF_NO_SUSPEND, + IRQF_SHARED | IRQF_NO_SUSPEND | + IRQF_NO_THREAD, name, pcs_soc); if (res) { pcs_soc->irq = -1; diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index 3dd5a3b2ac62..c760bf43d116 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -33,11 +33,6 @@ #include "../core.h" #include "pinctrl-samsung.h" -#define GROUP_SUFFIX "-grp" -#define GSUFFIX_LEN sizeof(GROUP_SUFFIX) -#define FUNCTION_SUFFIX "-mux" -#define FSUFFIX_LEN sizeof(FUNCTION_SUFFIX) - /* list of all possible config options supported */ static struct pin_config { const char *property; diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h index c7508d5f6886..0874cfee6889 100644 --- a/drivers/pinctrl/sh-pfc/sh_pfc.h +++ b/drivers/pinctrl/sh-pfc/sh_pfc.h @@ -224,7 +224,7 @@ struct sh_pfc_soc_info { /* PINMUX_GPIO_GP_ALL - Expand to a list of sh_pfc_pin entries */ #define _GP_GPIO(bank, _pin, _name, sfx) \ - [(bank * 32) + _pin] = { \ + { \ .pin = (bank * 32) + _pin, \ .name = __stringify(_name), \ .enum_id = _name##_DATA, \ diff --git a/drivers/pinctrl/spear/pinctrl-spear.c b/drivers/pinctrl/spear/pinctrl-spear.c index f87a5eaf75da..0afaf79a4e51 100644 --- a/drivers/pinctrl/spear/pinctrl-spear.c +++ b/drivers/pinctrl/spear/pinctrl-spear.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * Inspired from: * - U300 Pinctl drivers diff --git a/drivers/pinctrl/spear/pinctrl-spear.h b/drivers/pinctrl/spear/pinctrl-spear.h index dc8bf85ecb2a..27c2cc8d83ad 100644 --- a/drivers/pinctrl/spear/pinctrl-spear.h +++ b/drivers/pinctrl/spear/pinctrl-spear.h @@ -2,7 +2,7 @@ * Driver header file for the ST Microelectronics SPEAr pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/pinctrl/spear/pinctrl-spear1310.c b/drivers/pinctrl/spear/pinctrl-spear1310.c index a7bdc537efa7..92611bb757ac 100644 --- a/drivers/pinctrl/spear/pinctrl-spear1310.c +++ b/drivers/pinctrl/spear/pinctrl-spear1310.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr1310 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -2730,7 +2730,7 @@ static void __exit spear1310_pinctrl_exit(void) } module_exit(spear1310_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr1310 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear1310_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear1340.c b/drivers/pinctrl/spear/pinctrl-spear1340.c index f43ec85a0328..f842e9dc40d0 100644 --- a/drivers/pinctrl/spear/pinctrl-spear1340.c +++ b/drivers/pinctrl/spear/pinctrl-spear1340.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr1340 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -2046,7 +2046,7 @@ static void __exit spear1340_pinctrl_exit(void) } module_exit(spear1340_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr1340 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear1340_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear300.c b/drivers/pinctrl/spear/pinctrl-spear300.c index da8990a8eeef..d998a2ccff48 100644 --- a/drivers/pinctrl/spear/pinctrl-spear300.c +++ b/drivers/pinctrl/spear/pinctrl-spear300.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr300 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -703,7 +703,7 @@ static void __exit spear300_pinctrl_exit(void) } module_exit(spear300_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr300 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear300_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear310.c b/drivers/pinctrl/spear/pinctrl-spear310.c index 31ede51e819b..609b18aceb16 100644 --- a/drivers/pinctrl/spear/pinctrl-spear310.c +++ b/drivers/pinctrl/spear/pinctrl-spear310.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr310 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -426,7 +426,7 @@ static void __exit spear310_pinctrl_exit(void) } module_exit(spear310_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr310 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear310_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear320.c b/drivers/pinctrl/spear/pinctrl-spear320.c index 506e40b641e0..c07114431bd4 100644 --- a/drivers/pinctrl/spear/pinctrl-spear320.c +++ b/drivers/pinctrl/spear/pinctrl-spear320.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr320 pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -3467,7 +3467,7 @@ static void __exit spear320_pinctrl_exit(void) } module_exit(spear320_pinctrl_exit); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ST Microelectronics SPEAr320 pinctrl driver"); MODULE_LICENSE("GPL v2"); MODULE_DEVICE_TABLE(of, spear320_pinctrl_of_match); diff --git a/drivers/pinctrl/spear/pinctrl-spear3xx.c b/drivers/pinctrl/spear/pinctrl-spear3xx.c index 12ee21af766b..d3119aafe709 100644 --- a/drivers/pinctrl/spear/pinctrl-spear3xx.c +++ b/drivers/pinctrl/spear/pinctrl-spear3xx.c @@ -2,7 +2,7 @@ * Driver for the ST Microelectronics SPEAr3xx pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/pinctrl/spear/pinctrl-spear3xx.h b/drivers/pinctrl/spear/pinctrl-spear3xx.h index 7860b36053c4..ce19dcf8f08b 100644 --- a/drivers/pinctrl/spear/pinctrl-spear3xx.h +++ b/drivers/pinctrl/spear/pinctrl-spear3xx.h @@ -2,7 +2,7 @@ * Header file for the ST Microelectronics SPEAr3xx pinmux * * Copyright (C) 2012 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig index cb1329919527..3271cd1abe7c 100644 --- a/drivers/platform/chrome/Kconfig +++ b/drivers/platform/chrome/Kconfig @@ -4,7 +4,6 @@ menuconfig CHROME_PLATFORMS bool "Platform support for Chrome hardware" - depends on X86 || ARM ---help--- Say Y here to get to see options for platform support for various Chromebooks and Chromeboxes. This option alone does diff --git a/drivers/regulator/88pm800.c b/drivers/regulator/88pm800.c index 832932bdc977..7fd4f511d78f 100644 --- a/drivers/regulator/88pm800.c +++ b/drivers/regulator/88pm800.c @@ -130,7 +130,7 @@ struct pm800_regulators { .owner = THIS_MODULE, \ .n_voltages = ARRAY_SIZE(ldo_volt_table), \ .vsel_reg = PM800_##vreg##_VOUT, \ - .vsel_mask = 0x1f, \ + .vsel_mask = 0xf, \ .enable_reg = PM800_##ereg, \ .enable_mask = 1 << (ebit), \ .volt_table = ldo_volt_table, \ diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index c9f72019bd68..78387a6cbae5 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -109,6 +109,7 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev, static struct regulator *create_regulator(struct regulator_dev *rdev, struct device *dev, const char *supply_name); +static void _regulator_put(struct regulator *regulator); static const char *rdev_get_name(struct regulator_dev *rdev) { @@ -1105,6 +1106,9 @@ static int set_supply(struct regulator_dev *rdev, rdev_info(rdev, "supplied by %s\n", rdev_get_name(supply_rdev)); + if (!try_module_get(supply_rdev->owner)) + return -ENODEV; + rdev->supply = create_regulator(supply_rdev, &rdev->dev, "SUPPLY"); if (rdev->supply == NULL) { err = -ENOMEM; @@ -1381,9 +1385,13 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) } if (!r) { - dev_err(dev, "Failed to resolve %s-supply for %s\n", - rdev->supply_name, rdev->desc->name); - return -EPROBE_DEFER; + if (have_full_constraints()) { + r = dummy_regulator_rdev; + } else { + dev_err(dev, "Failed to resolve %s-supply for %s\n", + rdev->supply_name, rdev->desc->name); + return -EPROBE_DEFER; + } } /* Recursively resolve the supply of the supply */ @@ -1398,8 +1406,11 @@ static int regulator_resolve_supply(struct regulator_dev *rdev) /* Cascade always-on state to supply */ if (_regulator_is_enabled(rdev)) { ret = regulator_enable(rdev->supply); - if (ret < 0) + if (ret < 0) { + if (rdev->supply) + _regulator_put(rdev->supply); return ret; + } } return 0; diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c index 6f2bdad8b4d8..e94ddcf97722 100644 --- a/drivers/regulator/max8973-regulator.c +++ b/drivers/regulator/max8973-regulator.c @@ -450,7 +450,7 @@ static struct max8973_regulator_platform_data *max8973_parse_dt( pdata->control_flags |= MAX8973_CONTROL_FREQ_SHIFT_9PER_ENABLE; if (of_property_read_bool(np, "maxim,enable-bias-control")) - pdata->control_flags |= MAX8973_BIAS_ENABLE; + pdata->control_flags |= MAX8973_CONTROL_BIAS_ENABLE; return pdata; } diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index 326ffb553371..72fc3c32db49 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -34,6 +34,8 @@ #include <linux/mfd/samsung/s2mps14.h> #include <linux/mfd/samsung/s2mpu02.h> +/* The highest number of possible regulators for supported devices. */ +#define S2MPS_REGULATOR_MAX S2MPS13_REGULATOR_MAX struct s2mps11_info { unsigned int rdev_num; int ramp_delay2; @@ -49,7 +51,7 @@ struct s2mps11_info { * One bit for each S2MPS13/S2MPS14/S2MPU02 regulator whether * the suspend mode was enabled. */ - unsigned long long s2mps14_suspend_state:50; + DECLARE_BITMAP(suspend_state, S2MPS_REGULATOR_MAX); /* Array of size rdev_num with GPIO-s for external sleep control */ int *ext_control_gpio; @@ -500,7 +502,7 @@ static int s2mps14_regulator_enable(struct regulator_dev *rdev) switch (s2mps11->dev_type) { case S2MPS13X: case S2MPS14X: - if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev))) + if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state)) val = S2MPS14_ENABLE_SUSPEND; else if (gpio_is_valid(s2mps11->ext_control_gpio[rdev_get_id(rdev)])) val = S2MPS14_ENABLE_EXT_CONTROL; @@ -508,7 +510,7 @@ static int s2mps14_regulator_enable(struct regulator_dev *rdev) val = rdev->desc->enable_mask; break; case S2MPU02: - if (s2mps11->s2mps14_suspend_state & (1 << rdev_get_id(rdev))) + if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state)) val = S2MPU02_ENABLE_SUSPEND; else val = rdev->desc->enable_mask; @@ -562,7 +564,7 @@ static int s2mps14_regulator_set_suspend_disable(struct regulator_dev *rdev) if (ret < 0) return ret; - s2mps11->s2mps14_suspend_state |= (1 << rdev_get_id(rdev)); + set_bit(rdev_get_id(rdev), s2mps11->suspend_state); /* * Don't enable suspend mode if regulator is already disabled because * this would effectively for a short time turn on the regulator after @@ -960,18 +962,22 @@ static int s2mps11_pmic_probe(struct platform_device *pdev) case S2MPS11X: s2mps11->rdev_num = ARRAY_SIZE(s2mps11_regulators); regulators = s2mps11_regulators; + BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num); break; case S2MPS13X: s2mps11->rdev_num = ARRAY_SIZE(s2mps13_regulators); regulators = s2mps13_regulators; + BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num); break; case S2MPS14X: s2mps11->rdev_num = ARRAY_SIZE(s2mps14_regulators); regulators = s2mps14_regulators; + BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num); break; case S2MPU02: s2mps11->rdev_num = ARRAY_SIZE(s2mpu02_regulators); regulators = s2mpu02_regulators; + BUILD_BUG_ON(S2MPS_REGULATOR_MAX < s2mps11->rdev_num); break; default: dev_err(&pdev->dev, "Invalid device type: %u\n", diff --git a/drivers/rtc/rtc-armada38x.c b/drivers/rtc/rtc-armada38x.c index 4b62d1a875e4..2b08cac62f07 100644 --- a/drivers/rtc/rtc-armada38x.c +++ b/drivers/rtc/rtc-armada38x.c @@ -88,7 +88,7 @@ static int armada38x_rtc_set_time(struct device *dev, struct rtc_time *tm) { struct armada38x_rtc *rtc = dev_get_drvdata(dev); int ret = 0; - unsigned long time, flags; + unsigned long time; ret = rtc_tm_to_time(tm, &time); diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c index c0090b698ff3..eab230be5a54 100644 --- a/drivers/rtc/rtc-mt6397.c +++ b/drivers/rtc/rtc-mt6397.c @@ -343,6 +343,8 @@ static int mtk_rtc_probe(struct platform_device *pdev) goto out_dispose_irq; } + device_init_wakeup(&pdev->dev, 1); + rtc->rtc_dev = rtc_device_register("mt6397-rtc", &pdev->dev, &mtk_rtc_ops, THIS_MODULE); if (IS_ERR(rtc->rtc_dev)) { @@ -351,8 +353,6 @@ static int mtk_rtc_probe(struct platform_device *pdev) goto out_free_irq; } - device_init_wakeup(&pdev->dev, 1); - return 0; out_free_irq: diff --git a/drivers/s390/Makefile b/drivers/s390/Makefile index 95bccfd3f169..e5225ad9c5b1 100644 --- a/drivers/s390/Makefile +++ b/drivers/s390/Makefile @@ -2,7 +2,7 @@ # Makefile for the S/390 specific device drivers # -obj-y += cio/ block/ char/ crypto/ net/ scsi/ kvm/ +obj-y += cio/ block/ char/ crypto/ net/ scsi/ virtio/ drivers-y += drivers/s390/built-in.o diff --git a/drivers/s390/kvm/Makefile b/drivers/s390/virtio/Makefile index 241891a57caf..241891a57caf 100644 --- a/drivers/s390/kvm/Makefile +++ b/drivers/s390/virtio/Makefile diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/virtio/kvm_virtio.c index 53fb975c404b..53fb975c404b 100644 --- a/drivers/s390/kvm/kvm_virtio.c +++ b/drivers/s390/virtio/kvm_virtio.c diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c index f8d8fdb26b72..f8d8fdb26b72 100644 --- a/drivers/s390/kvm/virtio_ccw.c +++ b/drivers/s390/virtio/virtio_ccw.c diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h index 26270c351624..ce129e595b55 100644 --- a/drivers/scsi/fnic/fnic.h +++ b/drivers/scsi/fnic/fnic.h @@ -39,7 +39,7 @@ #define DRV_NAME "fnic" #define DRV_DESCRIPTION "Cisco FCoE HBA Driver" -#define DRV_VERSION "1.6.0.17" +#define DRV_VERSION "1.6.0.17a" #define PFX DRV_NAME ": " #define DFX DRV_NAME "%d: " diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c index 155b286f1a9d..25436cd2860c 100644 --- a/drivers/scsi/fnic/fnic_scsi.c +++ b/drivers/scsi/fnic/fnic_scsi.c @@ -425,6 +425,7 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc, void (*done)(struct scsi_ unsigned long ptr; struct fc_rport_priv *rdata; spinlock_t *io_lock = NULL; + int io_lock_acquired = 0; if (unlikely(fnic_chk_state_flags_locked(fnic, FNIC_FLAGS_IO_BLOCKED))) return SCSI_MLQUEUE_HOST_BUSY; @@ -518,6 +519,7 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc, void (*done)(struct scsi_ spin_lock_irqsave(io_lock, flags); /* initialize rest of io_req */ + io_lock_acquired = 1; io_req->port_id = rport->port_id; io_req->start_time = jiffies; CMD_STATE(sc) = FNIC_IOREQ_CMD_PENDING; @@ -571,7 +573,7 @@ out: (((u64)CMD_FLAGS(sc) >> 32) | CMD_STATE(sc))); /* if only we issued IO, will we have the io lock */ - if (CMD_FLAGS(sc) & FNIC_IO_INITIALIZED) + if (io_lock_acquired) spin_unlock_irqrestore(io_lock, flags); atomic_dec(&fnic->in_flight); diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 882744852aac..a9aa38903efe 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -599,9 +599,10 @@ static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd, { struct ipr_trace_entry *trace_entry; struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + unsigned int trace_index; - trace_entry = &ioa_cfg->trace[atomic_add_return - (1, &ioa_cfg->trace_index)%IPR_NUM_TRACE_ENTRIES]; + trace_index = atomic_add_return(1, &ioa_cfg->trace_index) & IPR_TRACE_INDEX_MASK; + trace_entry = &ioa_cfg->trace[trace_index]; trace_entry->time = jiffies; trace_entry->op_code = ipr_cmd->ioarcb.cmd_pkt.cdb[0]; trace_entry->type = type; @@ -1051,10 +1052,15 @@ static void ipr_send_blocking_cmd(struct ipr_cmnd *ipr_cmd, static int ipr_get_hrrq_index(struct ipr_ioa_cfg *ioa_cfg) { + unsigned int hrrq; + if (ioa_cfg->hrrq_num == 1) - return 0; - else - return (atomic_add_return(1, &ioa_cfg->hrrq_index) % (ioa_cfg->hrrq_num - 1)) + 1; + hrrq = 0; + else { + hrrq = atomic_add_return(1, &ioa_cfg->hrrq_index); + hrrq = (hrrq % (ioa_cfg->hrrq_num - 1)) + 1; + } + return hrrq; } /** @@ -6263,21 +6269,23 @@ static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd) struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); - unsigned long hrrq_flags; + unsigned long lock_flags; scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->s.ioasa.hdr.residual_data_len)); if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) { scsi_dma_unmap(scsi_cmd); - spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags); + spin_lock_irqsave(ipr_cmd->hrrq->lock, lock_flags); list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); scsi_cmd->scsi_done(scsi_cmd); - spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags); + spin_unlock_irqrestore(ipr_cmd->hrrq->lock, lock_flags); } else { - spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags); + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + spin_lock(&ipr_cmd->hrrq->_lock); ipr_erp_start(ioa_cfg, ipr_cmd); - spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags); + spin_unlock(&ipr_cmd->hrrq->_lock); + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); } } diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 73790a1d0969..6b97ee45c7b4 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -1486,6 +1486,7 @@ struct ipr_ioa_cfg { #define IPR_NUM_TRACE_INDEX_BITS 8 #define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS) +#define IPR_TRACE_INDEX_MASK (IPR_NUM_TRACE_ENTRIES - 1) #define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES) char trace_start[8]; #define IPR_TRACE_START_LABEL "trace" diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c index 1b3a09473452..30f9ef0c0d4f 100644 --- a/drivers/scsi/libfc/fc_exch.c +++ b/drivers/scsi/libfc/fc_exch.c @@ -733,8 +733,6 @@ static bool fc_invoke_resp(struct fc_exch *ep, struct fc_seq *sp, if (resp) { resp(sp, fp, arg); res = true; - } else if (!IS_ERR(fp)) { - fc_frame_free(fp); } spin_lock_bh(&ep->ex_lock); @@ -1596,7 +1594,8 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) * If new exch resp handler is valid then call that * first. */ - fc_invoke_resp(ep, sp, fp); + if (!fc_invoke_resp(ep, sp, fp)) + fc_frame_free(fp); fc_exch_release(ep); return; @@ -1695,7 +1694,8 @@ static void fc_exch_abts_resp(struct fc_exch *ep, struct fc_frame *fp) fc_exch_hold(ep); if (!rc) fc_exch_delete(ep); - fc_invoke_resp(ep, sp, fp); + if (!fc_invoke_resp(ep, sp, fp)) + fc_frame_free(fp); if (has_rec) fc_exch_timer_set(ep, ep->r_a_tov); fc_exch_release(ep); diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index c6795941b45d..2d5909c4685c 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -1039,11 +1039,26 @@ restart: fc_fcp_pkt_hold(fsp); spin_unlock_irqrestore(&si->scsi_queue_lock, flags); - if (!fc_fcp_lock_pkt(fsp)) { + spin_lock_bh(&fsp->scsi_pkt_lock); + if (!(fsp->state & FC_SRB_COMPL)) { + fsp->state |= FC_SRB_COMPL; + /* + * TODO: dropping scsi_pkt_lock and then reacquiring + * again around fc_fcp_cleanup_cmd() is required, + * since fc_fcp_cleanup_cmd() calls into + * fc_seq_set_resp() and that func preempts cpu using + * schedule. May be schedule and related code should be + * removed instead of unlocking here to avoid scheduling + * while atomic bug. + */ + spin_unlock_bh(&fsp->scsi_pkt_lock); + fc_fcp_cleanup_cmd(fsp, error); + + spin_lock_bh(&fsp->scsi_pkt_lock); fc_io_compl(fsp); - fc_fcp_unlock_pkt(fsp); } + spin_unlock_bh(&fsp->scsi_pkt_lock); fc_fcp_pkt_release(fsp); spin_lock_irqsave(&si->scsi_queue_lock, flags); diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 8053f24f0349..98d9bb6ff725 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -2941,10 +2941,10 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) { struct iscsi_conn *conn = cls_conn->dd_data; struct iscsi_session *session = conn->session; - unsigned long flags; del_timer_sync(&conn->transport_timer); + mutex_lock(&session->eh_mutex); spin_lock_bh(&session->frwd_lock); conn->c_stage = ISCSI_CONN_CLEANUP_WAIT; if (session->leadconn == conn) { @@ -2956,28 +2956,6 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) } spin_unlock_bh(&session->frwd_lock); - /* - * Block until all in-progress commands for this connection - * time out or fail. - */ - for (;;) { - spin_lock_irqsave(session->host->host_lock, flags); - if (!atomic_read(&session->host->host_busy)) { /* OK for ERL == 0 */ - spin_unlock_irqrestore(session->host->host_lock, flags); - break; - } - spin_unlock_irqrestore(session->host->host_lock, flags); - msleep_interruptible(500); - iscsi_conn_printk(KERN_INFO, conn, "iscsi conn_destroy(): " - "host_busy %d host_failed %d\n", - atomic_read(&session->host->host_busy), - session->host->host_failed); - /* - * force eh_abort() to unblock - */ - wake_up(&conn->ehwait); - } - /* flush queued up work because we free the connection below */ iscsi_suspend_tx(conn); @@ -2994,6 +2972,7 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) if (session->leadconn == conn) session->leadconn = NULL; spin_unlock_bh(&session->frwd_lock); + mutex_unlock(&session->eh_mutex); iscsi_destroy_conn(cls_conn); } diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 82b92c414a9c..437254e1c4de 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -738,7 +738,7 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj, ql_log(ql_log_info, vha, 0x706f, "Issuing MPI reset.\n"); - if (IS_QLA83XX(ha)) { + if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { uint32_t idc_control; qla83xx_idc_lock(vha, 0); diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 0e6ee3ca30e6..8b011aef12bd 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -67,10 +67,10 @@ * | | | 0xd031-0xd0ff | * | | | 0xd101-0xd1fe | * | | | 0xd214-0xd2fe | - * | Target Mode | 0xe079 | | - * | Target Mode Management | 0xf072 | 0xf002 | + * | Target Mode | 0xe080 | | + * | Target Mode Management | 0xf096 | 0xf002 | * | | | 0xf046-0xf049 | - * | Target Mode Task Management | 0x1000b | | + * | Target Mode Task Management | 0x1000d | | * ---------------------------------------------------------------------- */ diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index e86201d3b8c6..9ad819edcd67 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -274,6 +274,7 @@ #define RESPONSE_ENTRY_CNT_FX00 256 /* Number of response entries.*/ struct req_que; +struct qla_tgt_sess; /* * (sd.h is not exported, hence local inclusion) @@ -2026,6 +2027,7 @@ typedef struct fc_port { uint16_t port_id; unsigned long retry_delay_timestamp; + struct qla_tgt_sess *tgt_session; } fc_port_t; #include "qla_mr.h" @@ -3154,13 +3156,13 @@ struct qla_hw_data { /* Bit 21 of fw_attributes decides the MCTP capabilities */ #define IS_MCTP_CAPABLE(ha) (IS_QLA2031(ha) && \ ((ha)->fw_attributes_ext[0] & BIT_0)) -#define IS_PI_UNINIT_CAPABLE(ha) (IS_QLA83XX(ha)) -#define IS_PI_IPGUARD_CAPABLE(ha) (IS_QLA83XX(ha)) +#define IS_PI_UNINIT_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha)) +#define IS_PI_IPGUARD_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha)) #define IS_PI_DIFB_DIX0_CAPABLE(ha) (0) -#define IS_PI_SPLIT_DET_CAPABLE_HBA(ha) (IS_QLA83XX(ha)) +#define IS_PI_SPLIT_DET_CAPABLE_HBA(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha)) #define IS_PI_SPLIT_DET_CAPABLE(ha) (IS_PI_SPLIT_DET_CAPABLE_HBA(ha) && \ (((ha)->fw_attributes_h << 16 | (ha)->fw_attributes) & BIT_22)) -#define IS_ATIO_MSIX_CAPABLE(ha) (IS_QLA83XX(ha)) +#define IS_ATIO_MSIX_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha)) #define IS_TGT_MODE_CAPABLE(ha) (ha->tgt.atio_q_length) #define IS_SHADOW_REG_CAPABLE(ha) (IS_QLA27XX(ha)) #define IS_DPORT_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha)) @@ -3579,6 +3581,16 @@ typedef struct scsi_qla_host { uint16_t fcoe_fcf_idx; uint8_t fcoe_vn_port_mac[6]; + /* list of commands waiting on workqueue */ + struct list_head qla_cmd_list; + struct list_head qla_sess_op_cmd_list; + spinlock_t cmd_list_lock; + + /* Counter to detect races between ELS and RSCN events */ + atomic_t generation_tick; + /* Time when global fcport update has been scheduled */ + int total_fcport_update_gen; + uint32_t vp_abort_cnt; struct fc_vport *fc_vport; /* holds fc_vport * for each vport */ diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 664013115c9d..11f2f3279eab 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -115,6 +115,8 @@ qla2x00_async_iocb_timeout(void *data) QLA_LOGIO_LOGIN_RETRIED : 0; qla2x00_post_async_login_done_work(fcport->vha, fcport, lio->u.logio.data); + } else if (sp->type == SRB_LOGOUT_CMD) { + qlt_logo_completion_handler(fcport, QLA_FUNCTION_TIMEOUT); } } @@ -497,7 +499,10 @@ void qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport, uint16_t *data) { - qla2x00_mark_device_lost(vha, fcport, 1, 0); + /* Don't re-login in target mode */ + if (!fcport->tgt_session) + qla2x00_mark_device_lost(vha, fcport, 1, 0); + qlt_logo_completion_handler(fcport, data[0]); return; } @@ -1538,7 +1543,7 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) mem_size = (ha->fw_memory_size - 0x11000 + 1) * sizeof(uint16_t); } else if (IS_FWI2_CAPABLE(ha)) { - if (IS_QLA83XX(ha)) + if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem); else if (IS_QLA81XX(ha)) fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem); @@ -1550,7 +1555,7 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) mem_size = (ha->fw_memory_size - 0x100000 + 1) * sizeof(uint32_t); if (ha->mqenable) { - if (!IS_QLA83XX(ha)) + if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha)) mq_size = sizeof(struct qla2xxx_mq_chain); /* * Allocate maximum buffer size for all queues. @@ -2922,21 +2927,14 @@ qla2x00_rport_del(void *data) { fc_port_t *fcport = data; struct fc_rport *rport; - scsi_qla_host_t *vha = fcport->vha; unsigned long flags; spin_lock_irqsave(fcport->vha->host->host_lock, flags); rport = fcport->drport ? fcport->drport: fcport->rport; fcport->drport = NULL; spin_unlock_irqrestore(fcport->vha->host->host_lock, flags); - if (rport) { + if (rport) fc_remote_port_delete(rport); - /* - * Release the target mode FC NEXUS in qla_target.c code - * if target mod is enabled. - */ - qlt_fc_port_deleted(vha, fcport); - } } /** @@ -3303,6 +3301,7 @@ qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport) * Create target mode FC NEXUS in qla_target.c if target mode is * enabled.. */ + qlt_fc_port_added(vha, fcport); spin_lock_irqsave(fcport->vha->host->host_lock, flags); @@ -3341,8 +3340,7 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) if (IS_QLAFX00(vha->hw)) { qla2x00_set_fcport_state(fcport, FCS_ONLINE); - qla2x00_reg_remote_port(vha, fcport); - return; + goto reg_port; } fcport->login_retry = 0; fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT); @@ -3350,7 +3348,16 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) qla2x00_set_fcport_state(fcport, FCS_ONLINE); qla2x00_iidma_fcport(vha, fcport); qla24xx_update_fcport_fcp_prio(vha, fcport); - qla2x00_reg_remote_port(vha, fcport); + +reg_port: + if (qla_ini_mode_enabled(vha)) + qla2x00_reg_remote_port(vha, fcport); + else { + /* + * Create target mode FC NEXUS in qla_target.c + */ + qlt_fc_port_added(vha, fcport); + } } /* @@ -3375,6 +3382,7 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) LIST_HEAD(new_fcports); struct qla_hw_data *ha = vha->hw; struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); + int discovery_gen; /* If FL port exists, then SNS is present */ if (IS_FWI2_CAPABLE(ha)) @@ -3445,6 +3453,14 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) fcport->scan_state = QLA_FCPORT_SCAN; } + /* Mark the time right before querying FW for connected ports. + * This process is long, asynchronous and by the time it's done, + * collected information might not be accurate anymore. E.g. + * disconnected port might have re-connected and a brand new + * session has been created. In this case session's generation + * will be newer than discovery_gen. */ + qlt_do_generation_tick(vha, &discovery_gen); + rval = qla2x00_find_all_fabric_devs(vha, &new_fcports); if (rval != QLA_SUCCESS) break; @@ -3460,20 +3476,44 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) continue; - if (fcport->scan_state == QLA_FCPORT_SCAN && - atomic_read(&fcport->state) == FCS_ONLINE) { - qla2x00_mark_device_lost(vha, fcport, - ql2xplogiabsentdevice, 0); - if (fcport->loop_id != FC_NO_LOOP_ID && - (fcport->flags & FCF_FCP2_DEVICE) == 0 && - fcport->port_type != FCT_INITIATOR && - fcport->port_type != FCT_BROADCAST) { - ha->isp_ops->fabric_logout(vha, - fcport->loop_id, - fcport->d_id.b.domain, - fcport->d_id.b.area, - fcport->d_id.b.al_pa); - qla2x00_clear_loop_id(fcport); + if (fcport->scan_state == QLA_FCPORT_SCAN) { + if (qla_ini_mode_enabled(base_vha) && + atomic_read(&fcport->state) == FCS_ONLINE) { + qla2x00_mark_device_lost(vha, fcport, + ql2xplogiabsentdevice, 0); + if (fcport->loop_id != FC_NO_LOOP_ID && + (fcport->flags & FCF_FCP2_DEVICE) == 0 && + fcport->port_type != FCT_INITIATOR && + fcport->port_type != FCT_BROADCAST) { + ha->isp_ops->fabric_logout(vha, + fcport->loop_id, + fcport->d_id.b.domain, + fcport->d_id.b.area, + fcport->d_id.b.al_pa); + qla2x00_clear_loop_id(fcport); + } + } else if (!qla_ini_mode_enabled(base_vha)) { + /* + * In target mode, explicitly kill + * sessions and log out of devices + * that are gone, so that we don't + * end up with an initiator using the + * wrong ACL (if the fabric recycles + * an FC address and we have a stale + * session around) and so that we don't + * report initiators that are no longer + * on the fabric. + */ + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf077, + "port gone, logging out/killing session: " + "%8phC state 0x%x flags 0x%x fc4_type 0x%x " + "scan_state %d\n", + fcport->port_name, + atomic_read(&fcport->state), + fcport->flags, fcport->fc4_type, + fcport->scan_state); + qlt_fc_port_deleted(vha, fcport, + discovery_gen); } } } @@ -3494,6 +3534,28 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) (fcport->flags & FCF_LOGIN_NEEDED) == 0) continue; + /* + * If we're not an initiator, skip looking for devices + * and logging in. There's no reason for us to do it, + * and it seems to actively cause problems in target + * mode if we race with the initiator logging into us + * (we might get the "port ID used" status back from + * our login command and log out the initiator, which + * seems to cause havoc). + */ + if (!qla_ini_mode_enabled(base_vha)) { + if (fcport->scan_state == QLA_FCPORT_FOUND) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf078, + "port %8phC state 0x%x flags 0x%x fc4_type 0x%x " + "scan_state %d (initiator mode disabled; skipping " + "login)\n", fcport->port_name, + atomic_read(&fcport->state), + fcport->flags, fcport->fc4_type, + fcport->scan_state); + } + continue; + } + if (fcport->loop_id == FC_NO_LOOP_ID) { fcport->loop_id = next_loopid; rval = qla2x00_find_new_loop_id( @@ -3520,16 +3582,38 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) break; - /* Find a new loop ID to use. */ - fcport->loop_id = next_loopid; - rval = qla2x00_find_new_loop_id(base_vha, fcport); - if (rval != QLA_SUCCESS) { - /* Ran out of IDs to use */ - break; - } + /* + * If we're not an initiator, skip looking for devices + * and logging in. There's no reason for us to do it, + * and it seems to actively cause problems in target + * mode if we race with the initiator logging into us + * (we might get the "port ID used" status back from + * our login command and log out the initiator, which + * seems to cause havoc). + */ + if (qla_ini_mode_enabled(base_vha)) { + /* Find a new loop ID to use. */ + fcport->loop_id = next_loopid; + rval = qla2x00_find_new_loop_id(base_vha, + fcport); + if (rval != QLA_SUCCESS) { + /* Ran out of IDs to use */ + break; + } - /* Login and update database */ - qla2x00_fabric_dev_login(vha, fcport, &next_loopid); + /* Login and update database */ + qla2x00_fabric_dev_login(vha, fcport, + &next_loopid); + } else { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf079, + "new port %8phC state 0x%x flags 0x%x fc4_type " + "0x%x scan_state %d (initiator mode disabled; " + "skipping login)\n", + fcport->port_name, + atomic_read(&fcport->state), + fcport->flags, fcport->fc4_type, + fcport->scan_state); + } list_move_tail(&fcport->list, &vha->vp_fcports); } @@ -3725,11 +3809,12 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, fcport->fp_speed = new_fcport->fp_speed; /* - * If address the same and state FCS_ONLINE, nothing - * changed. + * If address the same and state FCS_ONLINE + * (or in target mode), nothing changed. */ if (fcport->d_id.b24 == new_fcport->d_id.b24 && - atomic_read(&fcport->state) == FCS_ONLINE) { + (atomic_read(&fcport->state) == FCS_ONLINE || + !qla_ini_mode_enabled(base_vha))) { break; } @@ -3749,6 +3834,22 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, * Log it out if still logged in and mark it for * relogin later. */ + if (!qla_ini_mode_enabled(base_vha)) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080, + "port changed FC ID, %8phC" + " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n", + fcport->port_name, + fcport->d_id.b.domain, + fcport->d_id.b.area, + fcport->d_id.b.al_pa, + fcport->loop_id, + new_fcport->d_id.b.domain, + new_fcport->d_id.b.area, + new_fcport->d_id.b.al_pa); + fcport->d_id.b24 = new_fcport->d_id.b24; + break; + } + fcport->d_id.b24 = new_fcport->d_id.b24; fcport->flags |= FCF_LOGIN_NEEDED; if (fcport->loop_id != FC_NO_LOOP_ID && @@ -3768,6 +3869,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, if (found) continue; /* If device was not in our fcports list, then add it. */ + new_fcport->scan_state = QLA_FCPORT_FOUND; list_add_tail(&new_fcport->list, new_fcports); /* Allocate a new replacement fcport. */ @@ -4188,6 +4290,14 @@ qla2x00_update_fcports(scsi_qla_host_t *base_vha) atomic_read(&fcport->state) != FCS_UNCONFIGURED) { spin_unlock_irqrestore(&ha->vport_slock, flags); qla2x00_rport_del(fcport); + + /* + * Release the target mode FC NEXUS in + * qla_target.c, if target mod is enabled. + */ + qlt_fc_port_deleted(vha, fcport, + base_vha->total_fcport_update_gen); + spin_lock_irqsave(&ha->vport_slock, flags); } } diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 36fbd4c7af8f..6f02b26a35cf 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -1943,6 +1943,9 @@ qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio) logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; logio->control_flags = cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO); + if (!sp->fcport->tgt_session || + !sp->fcport->tgt_session->keep_nport_handle) + logio->control_flags |= cpu_to_le16(LCF_FREE_NPORT); logio->nport_handle = cpu_to_le16(sp->fcport->loop_id); logio->port_id[0] = sp->fcport->d_id.b.al_pa; logio->port_id[1] = sp->fcport->d_id.b.area; diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 02b1c1c5355b..b2f713ad9034 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -2415,7 +2415,8 @@ qla2x00_get_resource_cnts(scsi_qla_host_t *vha, uint16_t *cur_xchg_cnt, *orig_iocb_cnt = mcp->mb[10]; if (vha->hw->flags.npiv_supported && max_npiv_vports) *max_npiv_vports = mcp->mb[11]; - if ((IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) && max_fcfs) + if ((IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw) || + IS_QLA27XX(vha->hw)) && max_fcfs) *max_fcfs = mcp->mb[12]; } @@ -3898,7 +3899,7 @@ qla25xx_init_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) spin_lock_irqsave(&ha->hardware_lock, flags); if (!(rsp->options & BIT_0)) { WRT_REG_DWORD(rsp->rsp_q_out, 0); - if (!IS_QLA83XX(ha)) + if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha)) WRT_REG_DWORD(rsp->rsp_q_in, 0); } @@ -5345,7 +5346,7 @@ qla83xx_restart_nic_firmware(scsi_qla_host_t *vha) mbx_cmd_t *mcp = &mc; struct qla_hw_data *ha = vha->hw; - if (!IS_QLA83XX(ha)) + if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha)) return QLA_FUNCTION_FAILED; ql_dbg(ql_dbg_mbx, vha, 0x1143, "Entered %s.\n", __func__); diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index a28815b8276f..8a5cac8448c7 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -2504,6 +2504,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_24XX; rsp_length = RESPONSE_ENTRY_CNT_2300; + ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX; ha->max_loop_id = SNS_LAST_LOOP_ID_2300; ha->init_cb_size = sizeof(struct mid_init_cb_81xx); ha->gid_list_info_size = 8; @@ -3229,11 +3230,15 @@ qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport, spin_lock_irqsave(vha->host->host_lock, flags); fcport->drport = rport; spin_unlock_irqrestore(vha->host->host_lock, flags); + qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen); set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags); qla2xxx_wake_dpc(base_vha); } else { - fc_remote_port_delete(rport); - qlt_fc_port_deleted(vha, fcport); + int now; + if (rport) + fc_remote_port_delete(rport); + qlt_do_generation_tick(vha, &now); + qlt_fc_port_deleted(vha, fcport, now); } } @@ -3763,8 +3768,11 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, INIT_LIST_HEAD(&vha->vp_fcports); INIT_LIST_HEAD(&vha->work_list); INIT_LIST_HEAD(&vha->list); + INIT_LIST_HEAD(&vha->qla_cmd_list); + INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list); spin_lock_init(&vha->work_lock); + spin_lock_init(&vha->cmd_list_lock); sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no); ql_dbg(ql_dbg_init, vha, 0x0041, diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index 028e8c8a7de9..2feb5f38edcd 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -1697,7 +1697,7 @@ qla83xx_select_led_port(struct qla_hw_data *ha) { uint32_t led_select_value = 0; - if (!IS_QLA83XX(ha)) + if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha)) goto out; if (ha->port_no == 0) diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index b749026aa592..58651ecbd88c 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -113,6 +113,11 @@ static void qlt_abort_cmd_on_host_reset(struct scsi_qla_host *vha, static void qlt_alloc_qfull_cmd(struct scsi_qla_host *vha, struct atio_from_isp *atio, uint16_t status, int qfull); static void qlt_disable_vha(struct scsi_qla_host *vha); +static void qlt_clear_tgt_db(struct qla_tgt *tgt); +static void qlt_send_notify_ack(struct scsi_qla_host *vha, + struct imm_ntfy_from_isp *ntfy, + uint32_t add_flags, uint16_t resp_code, int resp_code_valid, + uint16_t srr_flags, uint16_t srr_reject_code, uint8_t srr_explan); /* * Global Variables */ @@ -122,6 +127,16 @@ static struct workqueue_struct *qla_tgt_wq; static DEFINE_MUTEX(qla_tgt_mutex); static LIST_HEAD(qla_tgt_glist); +/* This API intentionally takes dest as a parameter, rather than returning + * int value to avoid caller forgetting to issue wmb() after the store */ +void qlt_do_generation_tick(struct scsi_qla_host *vha, int *dest) +{ + scsi_qla_host_t *base_vha = pci_get_drvdata(vha->hw->pdev); + *dest = atomic_inc_return(&base_vha->generation_tick); + /* memory barrier */ + wmb(); +} + /* ha->hardware_lock supposed to be held on entry (to protect tgt->sess_list) */ static struct qla_tgt_sess *qlt_find_sess_by_port_name( struct qla_tgt *tgt, @@ -381,14 +396,73 @@ static void qlt_free_session_done(struct work_struct *work) struct qla_tgt *tgt = sess->tgt; struct scsi_qla_host *vha = sess->vha; struct qla_hw_data *ha = vha->hw; + unsigned long flags; + bool logout_started = false; + fc_port_t fcport; + + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf084, + "%s: se_sess %p / sess %p from port %8phC loop_id %#04x" + " s_id %02x:%02x:%02x logout %d keep %d plogi %d\n", + __func__, sess->se_sess, sess, sess->port_name, sess->loop_id, + sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa, + sess->logout_on_delete, sess->keep_nport_handle, + sess->plogi_ack_needed); BUG_ON(!tgt); + + if (sess->logout_on_delete) { + int rc; + + memset(&fcport, 0, sizeof(fcport)); + fcport.loop_id = sess->loop_id; + fcport.d_id = sess->s_id; + memcpy(fcport.port_name, sess->port_name, WWN_SIZE); + fcport.vha = vha; + fcport.tgt_session = sess; + + rc = qla2x00_post_async_logout_work(vha, &fcport, NULL); + if (rc != QLA_SUCCESS) + ql_log(ql_log_warn, vha, 0xf085, + "Schedule logo failed sess %p rc %d\n", + sess, rc); + else + logout_started = true; + } + /* * Release the target session for FC Nexus from fabric module code. */ if (sess->se_sess != NULL) ha->tgt.tgt_ops->free_session(sess); + if (logout_started) { + bool traced = false; + + while (!ACCESS_ONCE(sess->logout_completed)) { + if (!traced) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf086, + "%s: waiting for sess %p logout\n", + __func__, sess); + traced = true; + } + msleep(100); + } + + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf087, + "%s: sess %p logout completed\n", + __func__, sess); + } + + spin_lock_irqsave(&ha->hardware_lock, flags); + + if (sess->plogi_ack_needed) + qlt_send_notify_ack(vha, &sess->tm_iocb, + 0, 0, 0, 0, 0, 0); + + list_del(&sess->sess_list_entry); + + spin_unlock_irqrestore(&ha->hardware_lock, flags); + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf001, "Unregistration of sess %p finished\n", sess); @@ -409,9 +483,9 @@ void qlt_unreg_sess(struct qla_tgt_sess *sess) vha->hw->tgt.tgt_ops->clear_nacl_from_fcport_map(sess); - list_del(&sess->sess_list_entry); - if (sess->deleted) - list_del(&sess->del_list_entry); + if (!list_empty(&sess->del_list_entry)) + list_del_init(&sess->del_list_entry); + sess->deleted = QLA_SESS_DELETION_IN_PROGRESS; INIT_WORK(&sess->free_work, qlt_free_session_done); schedule_work(&sess->free_work); @@ -431,10 +505,10 @@ static int qlt_reset(struct scsi_qla_host *vha, void *iocb, int mcmd) loop_id = le16_to_cpu(n->u.isp24.nport_handle); if (loop_id == 0xFFFF) { -#if 0 /* FIXME: Re-enable Global event handling.. */ /* Global event */ - atomic_inc(&ha->tgt.qla_tgt->tgt_global_resets_count); - qlt_clear_tgt_db(ha->tgt.qla_tgt); + atomic_inc(&vha->vha_tgt.qla_tgt->tgt_global_resets_count); + qlt_clear_tgt_db(vha->vha_tgt.qla_tgt); +#if 0 /* FIXME: do we need to choose a session here? */ if (!list_empty(&ha->tgt.qla_tgt->sess_list)) { sess = list_entry(ha->tgt.qla_tgt->sess_list.next, typeof(*sess), sess_list_entry); @@ -489,27 +563,38 @@ static void qlt_schedule_sess_for_deletion(struct qla_tgt_sess *sess, struct qla_tgt *tgt = sess->tgt; uint32_t dev_loss_tmo = tgt->ha->port_down_retry_count + 5; - if (sess->deleted) - return; + if (sess->deleted) { + /* Upgrade to unconditional deletion in case it was temporary */ + if (immediate && sess->deleted == QLA_SESS_DELETION_PENDING) + list_del(&sess->del_list_entry); + else + return; + } ql_dbg(ql_dbg_tgt, sess->vha, 0xe001, "Scheduling sess %p for deletion\n", sess); - list_add_tail(&sess->del_list_entry, &tgt->del_sess_list); - sess->deleted = 1; - if (immediate) + if (immediate) { dev_loss_tmo = 0; + sess->deleted = QLA_SESS_DELETION_IN_PROGRESS; + list_add(&sess->del_list_entry, &tgt->del_sess_list); + } else { + sess->deleted = QLA_SESS_DELETION_PENDING; + list_add_tail(&sess->del_list_entry, &tgt->del_sess_list); + } sess->expires = jiffies + dev_loss_tmo * HZ; ql_dbg(ql_dbg_tgt, sess->vha, 0xe048, - "qla_target(%d): session for port %8phC (loop ID %d) scheduled for " - "deletion in %u secs (expires: %lu) immed: %d\n", - sess->vha->vp_idx, sess->port_name, sess->loop_id, dev_loss_tmo, - sess->expires, immediate); + "qla_target(%d): session for port %8phC (loop ID %d s_id %02x:%02x:%02x)" + " scheduled for deletion in %u secs (expires: %lu) immed: %d, logout: %d, gen: %#x\n", + sess->vha->vp_idx, sess->port_name, sess->loop_id, + sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa, + dev_loss_tmo, sess->expires, immediate, sess->logout_on_delete, + sess->generation); if (immediate) - schedule_delayed_work(&tgt->sess_del_work, 0); + mod_delayed_work(system_wq, &tgt->sess_del_work, 0); else schedule_delayed_work(&tgt->sess_del_work, sess->expires - jiffies); @@ -578,9 +663,9 @@ out_free_id_list: /* ha->hardware_lock supposed to be held on entry */ static void qlt_undelete_sess(struct qla_tgt_sess *sess) { - BUG_ON(!sess->deleted); + BUG_ON(sess->deleted != QLA_SESS_DELETION_PENDING); - list_del(&sess->del_list_entry); + list_del_init(&sess->del_list_entry); sess->deleted = 0; } @@ -599,7 +684,9 @@ static void qlt_del_sess_work_fn(struct delayed_work *work) del_list_entry); elapsed = jiffies; if (time_after_eq(elapsed, sess->expires)) { - qlt_undelete_sess(sess); + /* No turning back */ + list_del_init(&sess->del_list_entry); + sess->deleted = QLA_SESS_DELETION_IN_PROGRESS; ql_dbg(ql_dbg_tgt_mgt, vha, 0xf004, "Timeout: sess %p about to be deleted\n", @@ -643,6 +730,13 @@ static struct qla_tgt_sess *qlt_create_sess( fcport->d_id.b.al_pa, fcport->d_id.b.area, fcport->loop_id); + /* Cannot undelete at this point */ + if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + spin_unlock_irqrestore(&ha->hardware_lock, + flags); + return NULL; + } + if (sess->deleted) qlt_undelete_sess(sess); @@ -652,6 +746,9 @@ static struct qla_tgt_sess *qlt_create_sess( if (sess->local && !local) sess->local = 0; + + qlt_do_generation_tick(vha, &sess->generation); + spin_unlock_irqrestore(&ha->hardware_lock, flags); return sess; @@ -673,6 +770,14 @@ static struct qla_tgt_sess *qlt_create_sess( sess->s_id = fcport->d_id; sess->loop_id = fcport->loop_id; sess->local = local; + INIT_LIST_HEAD(&sess->del_list_entry); + + /* Under normal circumstances we want to logout from firmware when + * session eventually ends and release corresponding nport handle. + * In the exception cases (e.g. when new PLOGI is waiting) corresponding + * code will adjust these flags as necessary. */ + sess->logout_on_delete = 1; + sess->keep_nport_handle = 0; ql_dbg(ql_dbg_tgt_mgt, vha, 0xf006, "Adding sess %p to tgt %p via ->check_initiator_node_acl()\n", @@ -705,6 +810,7 @@ static struct qla_tgt_sess *qlt_create_sess( spin_lock_irqsave(&ha->hardware_lock, flags); list_add_tail(&sess->sess_list_entry, &vha->vha_tgt.qla_tgt->sess_list); vha->vha_tgt.qla_tgt->sess_count++; + qlt_do_generation_tick(vha, &sess->generation); spin_unlock_irqrestore(&ha->hardware_lock, flags); ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04b, @@ -718,7 +824,7 @@ static struct qla_tgt_sess *qlt_create_sess( } /* - * Called from drivers/scsi/qla2xxx/qla_init.c:qla2x00_reg_remote_port() + * Called from qla2x00_reg_remote_port() */ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport) { @@ -750,6 +856,10 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport) mutex_unlock(&vha->vha_tgt.tgt_mutex); spin_lock_irqsave(&ha->hardware_lock, flags); + } else if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + /* Point of no return */ + spin_unlock_irqrestore(&ha->hardware_lock, flags); + return; } else { kref_get(&sess->se_sess->sess_kref); @@ -780,27 +890,36 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport) spin_unlock_irqrestore(&ha->hardware_lock, flags); } -void qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport) +/* + * max_gen - specifies maximum session generation + * at which this deletion requestion is still valid + */ +void +qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport, int max_gen) { - struct qla_hw_data *ha = vha->hw; struct qla_tgt *tgt = vha->vha_tgt.qla_tgt; struct qla_tgt_sess *sess; - unsigned long flags; if (!vha->hw->tgt.tgt_ops) return; - if (!tgt || (fcport->port_type != FCT_INITIATOR)) + if (!tgt) return; - spin_lock_irqsave(&ha->hardware_lock, flags); if (tgt->tgt_stop) { - spin_unlock_irqrestore(&ha->hardware_lock, flags); return; } sess = qlt_find_sess_by_port_name(tgt, fcport->port_name); if (!sess) { - spin_unlock_irqrestore(&ha->hardware_lock, flags); + return; + } + + if (max_gen - sess->generation < 0) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf092, + "Ignoring stale deletion request for se_sess %p / sess %p" + " for port %8phC, req_gen %d, sess_gen %d\n", + sess->se_sess, sess, sess->port_name, max_gen, + sess->generation); return; } @@ -808,7 +927,6 @@ void qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport) sess->local = 1; qlt_schedule_sess_for_deletion(sess, false); - spin_unlock_irqrestore(&ha->hardware_lock, flags); } static inline int test_tgt_sess_count(struct qla_tgt *tgt) @@ -1175,6 +1293,70 @@ static void qlt_24xx_retry_term_exchange(struct scsi_qla_host *vha, FCP_TMF_CMPL, true); } +static int abort_cmd_for_tag(struct scsi_qla_host *vha, uint32_t tag) +{ + struct qla_tgt_sess_op *op; + struct qla_tgt_cmd *cmd; + + spin_lock(&vha->cmd_list_lock); + + list_for_each_entry(op, &vha->qla_sess_op_cmd_list, cmd_list) { + if (tag == op->atio.u.isp24.exchange_addr) { + op->aborted = true; + spin_unlock(&vha->cmd_list_lock); + return 1; + } + } + + list_for_each_entry(cmd, &vha->qla_cmd_list, cmd_list) { + if (tag == cmd->atio.u.isp24.exchange_addr) { + cmd->state = QLA_TGT_STATE_ABORTED; + spin_unlock(&vha->cmd_list_lock); + return 1; + } + } + + spin_unlock(&vha->cmd_list_lock); + return 0; +} + +/* drop cmds for the given lun + * XXX only looks for cmds on the port through which lun reset was recieved + * XXX does not go through the list of other port (which may have cmds + * for the same lun) + */ +static void abort_cmds_for_lun(struct scsi_qla_host *vha, + uint32_t lun, uint8_t *s_id) +{ + struct qla_tgt_sess_op *op; + struct qla_tgt_cmd *cmd; + uint32_t key; + + key = sid_to_key(s_id); + spin_lock(&vha->cmd_list_lock); + list_for_each_entry(op, &vha->qla_sess_op_cmd_list, cmd_list) { + uint32_t op_key; + uint32_t op_lun; + + op_key = sid_to_key(op->atio.u.isp24.fcp_hdr.s_id); + op_lun = scsilun_to_int( + (struct scsi_lun *)&op->atio.u.isp24.fcp_cmnd.lun); + if (op_key == key && op_lun == lun) + op->aborted = true; + } + list_for_each_entry(cmd, &vha->qla_cmd_list, cmd_list) { + uint32_t cmd_key; + uint32_t cmd_lun; + + cmd_key = sid_to_key(cmd->atio.u.isp24.fcp_hdr.s_id); + cmd_lun = scsilun_to_int( + (struct scsi_lun *)&cmd->atio.u.isp24.fcp_cmnd.lun); + if (cmd_key == key && cmd_lun == lun) + cmd->state = QLA_TGT_STATE_ABORTED; + } + spin_unlock(&vha->cmd_list_lock); +} + /* ha->hardware_lock supposed to be held on entry */ static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha, struct abts_recv_from_24xx *abts, struct qla_tgt_sess *sess) @@ -1199,8 +1381,19 @@ static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha, } spin_unlock(&se_sess->sess_cmd_lock); - if (!found_lun) - return -ENOENT; + /* cmd not in LIO lists, look in qla list */ + if (!found_lun) { + if (abort_cmd_for_tag(vha, abts->exchange_addr_to_abort)) { + /* send TASK_ABORT response immediately */ + qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_CMPL, false); + return 0; + } else { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf081, + "unable to find cmd in driver or LIO for tag 0x%x\n", + abts->exchange_addr_to_abort); + return -ENOENT; + } + } ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00f, "qla_target(%d): task abort (tag=%d)\n", @@ -1284,6 +1477,11 @@ static void qlt_24xx_handle_abts(struct scsi_qla_host *vha, return; } + if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED, false); + return; + } + rc = __qlt_24xx_handle_abts(vha, abts, sess); if (rc != 0) { ql_dbg(ql_dbg_tgt_mgt, vha, 0xf054, @@ -1726,20 +1924,6 @@ static int qlt_pre_xmit_response(struct qla_tgt_cmd *cmd, struct qla_hw_data *ha = vha->hw; struct se_cmd *se_cmd = &cmd->se_cmd; - if (unlikely(cmd->aborted)) { - ql_dbg(ql_dbg_tgt_mgt, vha, 0xf014, - "qla_target(%d): terminating exchange for aborted cmd=%p (se_cmd=%p, tag=%lld)", - vha->vp_idx, cmd, se_cmd, se_cmd->tag); - - cmd->state = QLA_TGT_STATE_ABORTED; - cmd->cmd_flags |= BIT_6; - - qlt_send_term_exchange(vha, cmd, &cmd->atio, 0); - - /* !! At this point cmd could be already freed !! */ - return QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED; - } - prm->cmd = cmd; prm->tgt = tgt; prm->rq_result = scsi_status; @@ -2301,6 +2485,19 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type, unsigned long flags = 0; int res; + spin_lock_irqsave(&ha->hardware_lock, flags); + if (cmd->sess && cmd->sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + cmd->state = QLA_TGT_STATE_PROCESSED; + if (cmd->sess->logout_completed) + /* no need to terminate. FW already freed exchange. */ + qlt_abort_cmd_on_host_reset(cmd->vha, cmd); + else + qlt_send_term_exchange(vha, cmd, &cmd->atio, 1); + spin_unlock_irqrestore(&ha->hardware_lock, flags); + return 0; + } + spin_unlock_irqrestore(&ha->hardware_lock, flags); + memset(&prm, 0, sizeof(prm)); qlt_check_srr_debug(cmd, &xmit_type); @@ -2313,9 +2510,6 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type, res = qlt_pre_xmit_response(cmd, &prm, xmit_type, scsi_status, &full_req_cnt); if (unlikely(res != 0)) { - if (res == QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED) - return 0; - return res; } @@ -2345,9 +2539,10 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type, res = qlt_build_ctio_crc2_pkt(&prm, vha); else res = qlt_24xx_build_ctio_pkt(&prm, vha); - if (unlikely(res != 0)) + if (unlikely(res != 0)) { + vha->req->cnt += full_req_cnt; goto out_unmap_unlock; - + } pkt = (struct ctio7_to_24xx *)prm.pkt; @@ -2461,7 +2656,8 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd) spin_lock_irqsave(&ha->hardware_lock, flags); - if (qla2x00_reset_active(vha) || cmd->reset_count != ha->chip_reset) { + if (qla2x00_reset_active(vha) || (cmd->reset_count != ha->chip_reset) || + (cmd->sess && cmd->sess->deleted == QLA_SESS_DELETION_IN_PROGRESS)) { /* * Either a chip reset is active or this request was from * previous life, just abort the processing. @@ -2485,8 +2681,11 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd) else res = qlt_24xx_build_ctio_pkt(&prm, vha); - if (unlikely(res != 0)) + if (unlikely(res != 0)) { + vha->req->cnt += prm.req_cnt; goto out_unlock_free_unmap; + } + pkt = (struct ctio7_to_24xx *)prm.pkt; pkt->u.status0.flags |= __constant_cpu_to_le16(CTIO7_FLAGS_DATA_OUT | CTIO7_FLAGS_STATUS_MODE_0); @@ -2651,6 +2850,89 @@ out: /* If hardware_lock held on entry, might drop it, then reaquire */ /* This function sends the appropriate CTIO to ISP 2xxx or 24xx */ +static int __qlt_send_term_imm_notif(struct scsi_qla_host *vha, + struct imm_ntfy_from_isp *ntfy) +{ + struct nack_to_isp *nack; + struct qla_hw_data *ha = vha->hw; + request_t *pkt; + int ret = 0; + + ql_dbg(ql_dbg_tgt_tmr, vha, 0xe01c, + "Sending TERM ELS CTIO (ha=%p)\n", ha); + + pkt = (request_t *)qla2x00_alloc_iocbs_ready(vha, NULL); + if (pkt == NULL) { + ql_dbg(ql_dbg_tgt, vha, 0xe080, + "qla_target(%d): %s failed: unable to allocate " + "request packet\n", vha->vp_idx, __func__); + return -ENOMEM; + } + + pkt->entry_type = NOTIFY_ACK_TYPE; + pkt->entry_count = 1; + pkt->handle = QLA_TGT_SKIP_HANDLE | CTIO_COMPLETION_HANDLE_MARK; + + nack = (struct nack_to_isp *)pkt; + nack->ox_id = ntfy->ox_id; + + nack->u.isp24.nport_handle = ntfy->u.isp24.nport_handle; + if (le16_to_cpu(ntfy->u.isp24.status) == IMM_NTFY_ELS) { + nack->u.isp24.flags = ntfy->u.isp24.flags & + __constant_cpu_to_le32(NOTIFY24XX_FLAGS_PUREX_IOCB); + } + + /* terminate */ + nack->u.isp24.flags |= + __constant_cpu_to_le16(NOTIFY_ACK_FLAGS_TERMINATE); + + nack->u.isp24.srr_rx_id = ntfy->u.isp24.srr_rx_id; + nack->u.isp24.status = ntfy->u.isp24.status; + nack->u.isp24.status_subcode = ntfy->u.isp24.status_subcode; + nack->u.isp24.fw_handle = ntfy->u.isp24.fw_handle; + nack->u.isp24.exchange_address = ntfy->u.isp24.exchange_address; + nack->u.isp24.srr_rel_offs = ntfy->u.isp24.srr_rel_offs; + nack->u.isp24.srr_ui = ntfy->u.isp24.srr_ui; + nack->u.isp24.vp_index = ntfy->u.isp24.vp_index; + + qla2x00_start_iocbs(vha, vha->req); + return ret; +} + +static void qlt_send_term_imm_notif(struct scsi_qla_host *vha, + struct imm_ntfy_from_isp *imm, int ha_locked) +{ + unsigned long flags = 0; + int rc; + + if (qlt_issue_marker(vha, ha_locked) < 0) + return; + + if (ha_locked) { + rc = __qlt_send_term_imm_notif(vha, imm); + +#if 0 /* Todo */ + if (rc == -ENOMEM) + qlt_alloc_qfull_cmd(vha, imm, 0, 0); +#endif + goto done; + } + + spin_lock_irqsave(&vha->hw->hardware_lock, flags); + rc = __qlt_send_term_imm_notif(vha, imm); + +#if 0 /* Todo */ + if (rc == -ENOMEM) + qlt_alloc_qfull_cmd(vha, imm, 0, 0); +#endif + +done: + if (!ha_locked) + spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); +} + +/* If hardware_lock held on entry, might drop it, then reaquire */ +/* This function sends the appropriate CTIO to ISP 2xxx or 24xx */ static int __qlt_send_term_exchange(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd, struct atio_from_isp *atio) @@ -2715,7 +2997,7 @@ static int __qlt_send_term_exchange(struct scsi_qla_host *vha, static void qlt_send_term_exchange(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd, struct atio_from_isp *atio, int ha_locked) { - unsigned long flags; + unsigned long flags = 0; int rc; if (qlt_issue_marker(vha, ha_locked) < 0) @@ -2731,17 +3013,18 @@ static void qlt_send_term_exchange(struct scsi_qla_host *vha, rc = __qlt_send_term_exchange(vha, cmd, atio); if (rc == -ENOMEM) qlt_alloc_qfull_cmd(vha, atio, 0, 0); - spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); done: if (cmd && ((cmd->state != QLA_TGT_STATE_ABORTED) || !cmd->cmd_sent_to_fw)) { - if (!ha_locked && !in_interrupt()) - msleep(250); /* just in case */ - - qlt_unmap_sg(vha, cmd); + if (cmd->sg_mapped) + qlt_unmap_sg(vha, cmd); vha->hw->tgt.tgt_ops->free_cmd(cmd); } + + if (!ha_locked) + spin_unlock_irqrestore(&vha->hw->hardware_lock, flags); + return; } @@ -2792,6 +3075,24 @@ static void qlt_chk_exch_leak_thresh_hold(struct scsi_qla_host *vha) } +void qlt_abort_cmd(struct qla_tgt_cmd *cmd) +{ + struct qla_tgt *tgt = cmd->tgt; + struct scsi_qla_host *vha = tgt->vha; + struct se_cmd *se_cmd = &cmd->se_cmd; + + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf014, + "qla_target(%d): terminating exchange for aborted cmd=%p " + "(se_cmd=%p, tag=%llu)", vha->vp_idx, cmd, &cmd->se_cmd, + se_cmd->tag); + + cmd->state = QLA_TGT_STATE_ABORTED; + cmd->cmd_flags |= BIT_6; + + qlt_send_term_exchange(vha, cmd, &cmd->atio, 0); +} +EXPORT_SYMBOL(qlt_abort_cmd); + void qlt_free_cmd(struct qla_tgt_cmd *cmd) { struct qla_tgt_sess *sess = cmd->sess; @@ -3015,7 +3316,7 @@ qlt_abort_cmd_on_host_reset(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd) dump_stack(); } - cmd->cmd_flags |= BIT_12; + cmd->cmd_flags |= BIT_17; ha->tgt.tgt_ops->free_cmd(cmd); } @@ -3177,7 +3478,7 @@ static void qlt_do_ctio_completion(struct scsi_qla_host *vha, uint32_t handle, skip_term: if (cmd->state == QLA_TGT_STATE_PROCESSED) { - ; + cmd->cmd_flags |= BIT_12; } else if (cmd->state == QLA_TGT_STATE_NEED_DATA) { int rx_status = 0; @@ -3191,9 +3492,11 @@ skip_term: ha->tgt.tgt_ops->handle_data(cmd); return; } else if (cmd->state == QLA_TGT_STATE_ABORTED) { + cmd->cmd_flags |= BIT_18; ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01e, "Aborted command %p (tag %lld) finished\n", cmd, se_cmd->tag); } else { + cmd->cmd_flags |= BIT_19; ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05c, "qla_target(%d): A command in state (%d) should " "not return a CTIO complete\n", vha->vp_idx, cmd->state); @@ -3205,7 +3508,6 @@ skip_term: dump_stack(); } - ha->tgt.tgt_ops->free_cmd(cmd); } @@ -3263,6 +3565,13 @@ static void __qlt_do_work(struct qla_tgt_cmd *cmd) if (tgt->tgt_stop) goto out_term; + if (cmd->state == QLA_TGT_STATE_ABORTED) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf082, + "cmd with tag %u is aborted\n", + cmd->atio.u.isp24.exchange_addr); + goto out_term; + } + cdb = &atio->u.isp24.fcp_cmnd.cdb[0]; cmd->se_cmd.tag = atio->u.isp24.exchange_addr; cmd->unpacked_lun = scsilun_to_int( @@ -3316,6 +3625,12 @@ out_term: static void qlt_do_work(struct work_struct *work) { struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work); + scsi_qla_host_t *vha = cmd->vha; + unsigned long flags; + + spin_lock_irqsave(&vha->cmd_list_lock, flags); + list_del(&cmd->cmd_list); + spin_unlock_irqrestore(&vha->cmd_list_lock, flags); __qlt_do_work(cmd); } @@ -3345,6 +3660,11 @@ static struct qla_tgt_cmd *qlt_get_tag(scsi_qla_host_t *vha, cmd->loop_id = sess->loop_id; cmd->conf_compl_supported = sess->conf_compl_supported; + cmd->cmd_flags = 0; + cmd->jiffies_at_alloc = get_jiffies_64(); + + cmd->reset_count = vha->hw->chip_reset; + return cmd; } @@ -3362,14 +3682,25 @@ static void qlt_create_sess_from_atio(struct work_struct *work) unsigned long flags; uint8_t *s_id = op->atio.u.isp24.fcp_hdr.s_id; + spin_lock_irqsave(&vha->cmd_list_lock, flags); + list_del(&op->cmd_list); + spin_unlock_irqrestore(&vha->cmd_list_lock, flags); + + if (op->aborted) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf083, + "sess_op with tag %u is aborted\n", + op->atio.u.isp24.exchange_addr); + goto out_term; + } + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf022, - "qla_target(%d): Unable to find wwn login" - " (s_id %x:%x:%x), trying to create it manually\n", - vha->vp_idx, s_id[0], s_id[1], s_id[2]); + "qla_target(%d): Unable to find wwn login" + " (s_id %x:%x:%x), trying to create it manually\n", + vha->vp_idx, s_id[0], s_id[1], s_id[2]); if (op->atio.u.raw.entry_count > 1) { ql_dbg(ql_dbg_tgt_mgt, vha, 0xf023, - "Dropping multy entry atio %p\n", &op->atio); + "Dropping multy entry atio %p\n", &op->atio); goto out_term; } @@ -3434,10 +3765,25 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha, memcpy(&op->atio, atio, sizeof(*atio)); op->vha = vha; + + spin_lock(&vha->cmd_list_lock); + list_add_tail(&op->cmd_list, &vha->qla_sess_op_cmd_list); + spin_unlock(&vha->cmd_list_lock); + INIT_WORK(&op->work, qlt_create_sess_from_atio); queue_work(qla_tgt_wq, &op->work); return 0; } + + /* Another WWN used to have our s_id. Our PLOGI scheduled its + * session deletion, but it's still in sess_del_work wq */ + if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + ql_dbg(ql_dbg_io, vha, 0x3061, + "New command while old session %p is being deleted\n", + sess); + return -EFAULT; + } + /* * Do kref_get() before returning + dropping qla_hw_data->hardware_lock. */ @@ -3451,13 +3797,13 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha, return -ENOMEM; } - cmd->cmd_flags = 0; - cmd->jiffies_at_alloc = get_jiffies_64(); - - cmd->reset_count = vha->hw->chip_reset; - cmd->cmd_in_wq = 1; cmd->cmd_flags |= BIT_0; + + spin_lock(&vha->cmd_list_lock); + list_add_tail(&cmd->cmd_list, &vha->qla_cmd_list); + spin_unlock(&vha->cmd_list_lock); + INIT_WORK(&cmd->work, qlt_do_work); queue_work(qla_tgt_wq, &cmd->work); return 0; @@ -3471,6 +3817,7 @@ static int qlt_issue_task_mgmt(struct qla_tgt_sess *sess, uint32_t lun, struct scsi_qla_host *vha = sess->vha; struct qla_hw_data *ha = vha->hw; struct qla_tgt_mgmt_cmd *mcmd; + struct atio_from_isp *a = (struct atio_from_isp *)iocb; int res; uint8_t tmr_func; @@ -3511,6 +3858,7 @@ static int qlt_issue_task_mgmt(struct qla_tgt_sess *sess, uint32_t lun, ql_dbg(ql_dbg_tgt_tmr, vha, 0x10002, "qla_target(%d): LUN_RESET received\n", sess->vha->vp_idx); tmr_func = TMR_LUN_RESET; + abort_cmds_for_lun(vha, lun, a->u.isp24.fcp_hdr.s_id); break; case QLA_TGT_CLEAR_TS: @@ -3599,6 +3947,9 @@ static int qlt_handle_task_mgmt(struct scsi_qla_host *vha, void *iocb) sizeof(struct atio_from_isp)); } + if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) + return -EFAULT; + return qlt_issue_task_mgmt(sess, unpacked_lun, fn, iocb, 0); } @@ -3664,22 +4015,280 @@ static int qlt_abort_task(struct scsi_qla_host *vha, return __qlt_abort_task(vha, iocb, sess); } +void qlt_logo_completion_handler(fc_port_t *fcport, int rc) +{ + if (fcport->tgt_session) { + if (rc != MBS_COMMAND_COMPLETE) { + ql_dbg(ql_dbg_tgt_mgt, fcport->vha, 0xf093, + "%s: se_sess %p / sess %p from" + " port %8phC loop_id %#04x s_id %02x:%02x:%02x" + " LOGO failed: %#x\n", + __func__, + fcport->tgt_session->se_sess, + fcport->tgt_session, + fcport->port_name, fcport->loop_id, + fcport->d_id.b.domain, fcport->d_id.b.area, + fcport->d_id.b.al_pa, rc); + } + + fcport->tgt_session->logout_completed = 1; + } +} + +static void qlt_swap_imm_ntfy_iocb(struct imm_ntfy_from_isp *a, + struct imm_ntfy_from_isp *b) +{ + struct imm_ntfy_from_isp tmp; + memcpy(&tmp, a, sizeof(struct imm_ntfy_from_isp)); + memcpy(a, b, sizeof(struct imm_ntfy_from_isp)); + memcpy(b, &tmp, sizeof(struct imm_ntfy_from_isp)); +} + +/* +* ha->hardware_lock supposed to be held on entry (to protect tgt->sess_list) +* +* Schedules sessions with matching port_id/loop_id but different wwn for +* deletion. Returns existing session with matching wwn if present. +* Null otherwise. +*/ +static struct qla_tgt_sess * +qlt_find_sess_invalidate_other(struct qla_tgt *tgt, uint64_t wwn, + port_id_t port_id, uint16_t loop_id) +{ + struct qla_tgt_sess *sess = NULL, *other_sess; + uint64_t other_wwn; + + list_for_each_entry(other_sess, &tgt->sess_list, sess_list_entry) { + + other_wwn = wwn_to_u64(other_sess->port_name); + + if (wwn == other_wwn) { + WARN_ON(sess); + sess = other_sess; + continue; + } + + /* find other sess with nport_id collision */ + if (port_id.b24 == other_sess->s_id.b24) { + if (loop_id != other_sess->loop_id) { + ql_dbg(ql_dbg_tgt_tmr, tgt->vha, 0x1000c, + "Invalidating sess %p loop_id %d wwn %llx.\n", + other_sess, other_sess->loop_id, other_wwn); + + /* + * logout_on_delete is set by default, but another + * session that has the same s_id/loop_id combo + * might have cleared it when requested this session + * deletion, so don't touch it + */ + qlt_schedule_sess_for_deletion(other_sess, true); + } else { + /* + * Another wwn used to have our s_id/loop_id + * combo - kill the session, but don't log out + */ + sess->logout_on_delete = 0; + qlt_schedule_sess_for_deletion(other_sess, + true); + } + continue; + } + + /* find other sess with nport handle collision */ + if (loop_id == other_sess->loop_id) { + ql_dbg(ql_dbg_tgt_tmr, tgt->vha, 0x1000d, + "Invalidating sess %p loop_id %d wwn %llx.\n", + other_sess, other_sess->loop_id, other_wwn); + + /* Same loop_id but different s_id + * Ok to kill and logout */ + qlt_schedule_sess_for_deletion(other_sess, true); + } + } + + return sess; +} + +/* Abort any commands for this s_id waiting on qla_tgt_wq workqueue */ +static int abort_cmds_for_s_id(struct scsi_qla_host *vha, port_id_t *s_id) +{ + struct qla_tgt_sess_op *op; + struct qla_tgt_cmd *cmd; + uint32_t key; + int count = 0; + + key = (((u32)s_id->b.domain << 16) | + ((u32)s_id->b.area << 8) | + ((u32)s_id->b.al_pa)); + + spin_lock(&vha->cmd_list_lock); + list_for_each_entry(op, &vha->qla_sess_op_cmd_list, cmd_list) { + uint32_t op_key = sid_to_key(op->atio.u.isp24.fcp_hdr.s_id); + if (op_key == key) { + op->aborted = true; + count++; + } + } + list_for_each_entry(cmd, &vha->qla_cmd_list, cmd_list) { + uint32_t cmd_key = sid_to_key(cmd->atio.u.isp24.fcp_hdr.s_id); + if (cmd_key == key) { + cmd->state = QLA_TGT_STATE_ABORTED; + count++; + } + } + spin_unlock(&vha->cmd_list_lock); + + return count; +} + /* * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire */ static int qlt_24xx_handle_els(struct scsi_qla_host *vha, struct imm_ntfy_from_isp *iocb) { + struct qla_tgt *tgt = vha->vha_tgt.qla_tgt; + struct qla_hw_data *ha = vha->hw; + struct qla_tgt_sess *sess = NULL; + uint64_t wwn; + port_id_t port_id; + uint16_t loop_id; + uint16_t wd3_lo; int res = 0; + wwn = wwn_to_u64(iocb->u.isp24.port_name); + + port_id.b.domain = iocb->u.isp24.port_id[2]; + port_id.b.area = iocb->u.isp24.port_id[1]; + port_id.b.al_pa = iocb->u.isp24.port_id[0]; + port_id.b.rsvd_1 = 0; + + loop_id = le16_to_cpu(iocb->u.isp24.nport_handle); + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf026, "qla_target(%d): Port ID: 0x%3phC ELS opcode: 0x%02x\n", vha->vp_idx, iocb->u.isp24.port_id, iocb->u.isp24.status_subcode); + /* res = 1 means ack at the end of thread + * res = 0 means ack async/later. + */ switch (iocb->u.isp24.status_subcode) { case ELS_PLOGI: - case ELS_FLOGI: + + /* Mark all stale commands in qla_tgt_wq for deletion */ + abort_cmds_for_s_id(vha, &port_id); + + if (wwn) + sess = qlt_find_sess_invalidate_other(tgt, wwn, + port_id, loop_id); + + if (!sess || IS_SW_RESV_ADDR(sess->s_id)) { + res = 1; + break; + } + + if (sess->plogi_ack_needed) { + /* + * Initiator sent another PLOGI before last PLOGI could + * finish. Swap plogi iocbs and terminate old one + * without acking, new one will get acked when session + * deletion completes. + */ + ql_log(ql_log_warn, sess->vha, 0xf094, + "sess %p received double plogi.\n", sess); + + qlt_swap_imm_ntfy_iocb(iocb, &sess->tm_iocb); + + qlt_send_term_imm_notif(vha, iocb, 1); + + res = 0; + break; + } + + res = 0; + + /* + * Save immediate Notif IOCB for Ack when sess is done + * and being deleted. + */ + memcpy(&sess->tm_iocb, iocb, sizeof(sess->tm_iocb)); + sess->plogi_ack_needed = 1; + + /* + * Under normal circumstances we want to release nport handle + * during LOGO process to avoid nport handle leaks inside FW. + * The exception is when LOGO is done while another PLOGI with + * the same nport handle is waiting as might be the case here. + * Note: there is always a possibily of a race where session + * deletion has already started for other reasons (e.g. ACL + * removal) and now PLOGI arrives: + * 1. if PLOGI arrived in FW after nport handle has been freed, + * FW must have assigned this PLOGI a new/same handle and we + * can proceed ACK'ing it as usual when session deletion + * completes. + * 2. if PLOGI arrived in FW before LOGO with LCF_FREE_NPORT + * bit reached it, the handle has now been released. We'll + * get an error when we ACK this PLOGI. Nothing will be sent + * back to initiator. Initiator should eventually retry + * PLOGI and situation will correct itself. + */ + sess->keep_nport_handle = ((sess->loop_id == loop_id) && + (sess->s_id.b24 == port_id.b24)); + qlt_schedule_sess_for_deletion(sess, true); + break; + case ELS_PRLI: + wd3_lo = le16_to_cpu(iocb->u.isp24.u.prli.wd3_lo); + + if (wwn) + sess = qlt_find_sess_invalidate_other(tgt, wwn, port_id, + loop_id); + + if (sess != NULL) { + if (sess->deleted) { + /* + * Impatient initiator sent PRLI before last + * PLOGI could finish. Will force him to re-try, + * while last one finishes. + */ + ql_log(ql_log_warn, sess->vha, 0xf095, + "sess %p PRLI received, before plogi ack.\n", + sess); + qlt_send_term_imm_notif(vha, iocb, 1); + res = 0; + break; + } + + /* + * This shouldn't happen under normal circumstances, + * since we have deleted the old session during PLOGI + */ + ql_dbg(ql_dbg_tgt_mgt, vha, 0xf096, + "PRLI (loop_id %#04x) for existing sess %p (loop_id %#04x)\n", + sess->loop_id, sess, iocb->u.isp24.nport_handle); + + sess->local = 0; + sess->loop_id = loop_id; + sess->s_id = port_id; + + if (wd3_lo & BIT_7) + sess->conf_compl_supported = 1; + + } + res = 1; /* send notify ack */ + + /* Make session global (not used in fabric mode) */ + if (ha->current_topology != ISP_CFG_F) { + set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); + set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + } else { + /* todo: else - create sess here. */ + res = 1; /* send notify ack */ + } + + break; + case ELS_LOGO: case ELS_PRLO: res = qlt_reset(vha, iocb, QLA_TGT_NEXUS_LOSS_SESS); @@ -3697,6 +4306,7 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha, break; } + case ELS_FLOGI: /* should never happen */ default: ql_dbg(ql_dbg_tgt_mgt, vha, 0xf061, "qla_target(%d): Unsupported ELS command %x " @@ -5012,6 +5622,11 @@ static void qlt_abort_work(struct qla_tgt *tgt, if (!sess) goto out_term; } else { + if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + sess = NULL; + goto out_term; + } + kref_get(&sess->se_sess->sess_kref); } @@ -5066,6 +5681,11 @@ static void qlt_tmr_work(struct qla_tgt *tgt, if (!sess) goto out_term; } else { + if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) { + sess = NULL; + goto out_term; + } + kref_get(&sess->se_sess->sess_kref); } @@ -5552,6 +6172,7 @@ qlt_24xx_process_atio_queue(struct scsi_qla_host *vha) /* Adjust ring index */ WRT_REG_DWORD(ISP_ATIO_Q_OUT(vha), ha->tgt.atio_ring_index); + RD_REG_DWORD_RELAXED(ISP_ATIO_Q_OUT(vha)); } void @@ -5793,7 +6414,7 @@ qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha) if (!QLA_TGT_MODE_ENABLED()) return; - if (ha->mqenable || IS_QLA83XX(ha)) { + if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { ISP_ATIO_Q_IN(base_vha) = &ha->mqiobase->isp25mq.atio_q_in; ISP_ATIO_Q_OUT(base_vha) = &ha->mqiobase->isp25mq.atio_q_out; } else { diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index 985d76dd706b..bca584ae45b7 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -167,7 +167,24 @@ struct imm_ntfy_from_isp { uint32_t srr_rel_offs; uint16_t srr_ui; uint16_t srr_ox_id; - uint8_t reserved_4[19]; + union { + struct { + uint8_t node_name[8]; + } plogi; /* PLOGI/ADISC/PDISC */ + struct { + /* PRLI word 3 bit 0-15 */ + uint16_t wd3_lo; + uint8_t resv0[6]; + } prli; + struct { + uint8_t port_id[3]; + uint8_t resv1; + uint16_t nport_handle; + uint16_t resv2; + } req_els; + } u; + uint8_t port_name[8]; + uint8_t resv3[3]; uint8_t vp_index; uint32_t reserved_5; uint8_t port_id[3]; @@ -234,6 +251,7 @@ struct nack_to_isp { uint8_t reserved[2]; uint16_t ox_id; } __packed; +#define NOTIFY_ACK_FLAGS_TERMINATE BIT_3 #define NOTIFY_ACK_SRR_FLAGS_ACCEPT 0 #define NOTIFY_ACK_SRR_FLAGS_REJECT 1 @@ -790,13 +808,6 @@ int qla2x00_wait_for_hba_online(struct scsi_qla_host *); #define FC_TM_REJECT 4 #define FC_TM_FAILED 5 -/* - * Error code of qlt_pre_xmit_response() meaning that cmd's exchange was - * terminated, so no more actions is needed and success should be returned - * to target. - */ -#define QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED 0x1717 - #if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G) #define pci_dma_lo32(a) (a & 0xffffffff) #define pci_dma_hi32(a) ((((a) >> 16)>>16) & 0xffffffff) @@ -874,6 +885,15 @@ struct qla_tgt_sess_op { struct scsi_qla_host *vha; struct atio_from_isp atio; struct work_struct work; + struct list_head cmd_list; + bool aborted; +}; + +enum qla_sess_deletion { + QLA_SESS_DELETION_NONE = 0, + QLA_SESS_DELETION_PENDING = 1, /* hopefully we can get rid of + * this one */ + QLA_SESS_DELETION_IN_PROGRESS = 2, }; /* @@ -884,8 +904,15 @@ struct qla_tgt_sess { port_id_t s_id; unsigned int conf_compl_supported:1; - unsigned int deleted:1; + unsigned int deleted:2; unsigned int local:1; + unsigned int logout_on_delete:1; + unsigned int plogi_ack_needed:1; + unsigned int keep_nport_handle:1; + + unsigned char logout_completed; + + int generation; struct se_session *se_sess; struct scsi_qla_host *vha; @@ -897,6 +924,10 @@ struct qla_tgt_sess { uint8_t port_name[WWN_SIZE]; struct work_struct free_work; + + union { + struct imm_ntfy_from_isp tm_iocb; + }; }; struct qla_tgt_cmd { @@ -912,7 +943,6 @@ struct qla_tgt_cmd { unsigned int conf_compl_supported:1; unsigned int sg_mapped:1; unsigned int free_sg:1; - unsigned int aborted:1; /* Needed in case of SRR */ unsigned int write_data_transferred:1; unsigned int ctx_dsd_alloced:1; unsigned int q_full:1; @@ -961,6 +991,9 @@ struct qla_tgt_cmd { * BIT_14 - Back end data received/sent. * BIT_15 - SRR prepare ctio * BIT_16 - complete free + * BIT_17 - flush - qlt_abort_cmd_on_host_reset + * BIT_18 - completion w/abort status + * BIT_19 - completion w/unknown status */ uint32_t cmd_flags; }; @@ -1026,6 +1059,10 @@ struct qla_tgt_srr_ctio { struct qla_tgt_cmd *cmd; }; +/* Check for Switch reserved address */ +#define IS_SW_RESV_ADDR(_s_id) \ + ((_s_id.b.domain == 0xff) && (_s_id.b.area == 0xfc)) + #define QLA_TGT_XMIT_DATA 1 #define QLA_TGT_XMIT_STATUS 2 #define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA) @@ -1043,7 +1080,7 @@ extern int qlt_lport_register(void *, u64, u64, u64, extern void qlt_lport_deregister(struct scsi_qla_host *); extern void qlt_unreg_sess(struct qla_tgt_sess *); extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *); -extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *); +extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int); extern int __init qlt_init(void); extern void qlt_exit(void); extern void qlt_update_vp_map(struct scsi_qla_host *, int); @@ -1073,12 +1110,23 @@ static inline void qla_reverse_ini_mode(struct scsi_qla_host *ha) ha->host->active_mode |= MODE_INITIATOR; } +static inline uint32_t sid_to_key(const uint8_t *s_id) +{ + uint32_t key; + + key = (((unsigned long)s_id[0] << 16) | + ((unsigned long)s_id[1] << 8) | + (unsigned long)s_id[2]); + return key; +} + /* * Exported symbols from qla_target.c LLD logic used by qla2xxx code.. */ extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, response_t *); extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *); extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t); +extern void qlt_abort_cmd(struct qla_tgt_cmd *); extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *); extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *); extern void qlt_free_cmd(struct qla_tgt_cmd *cmd); @@ -1109,5 +1157,7 @@ extern void qlt_stop_phase2(struct qla_tgt *); extern irqreturn_t qla83xx_msix_atio_q(int, void *); extern void qlt_83xx_iospace_config(struct qla_hw_data *); extern int qlt_free_qfull_cmds(struct scsi_qla_host *); +extern void qlt_logo_completion_handler(fc_port_t *, int); +extern void qlt_do_generation_tick(struct scsi_qla_host *, int *); #endif /* __QLA_TARGET_H */ diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index d9a8c6084346..9224a06646e6 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -374,7 +374,7 @@ static int tcm_qla2xxx_write_pending(struct se_cmd *se_cmd) { struct qla_tgt_cmd *cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd); - + cmd->cmd_flags |= BIT_3; cmd->bufflen = se_cmd->data_length; cmd->dma_data_direction = target_reverse_dma_direction(se_cmd); @@ -405,7 +405,7 @@ static int tcm_qla2xxx_write_pending_status(struct se_cmd *se_cmd) se_cmd->t_state == TRANSPORT_COMPLETE_QF_WP) { spin_unlock_irqrestore(&se_cmd->t_state_lock, flags); wait_for_completion_timeout(&se_cmd->t_transport_stop_comp, - 3000); + 3 * HZ); return 0; } spin_unlock_irqrestore(&se_cmd->t_state_lock, flags); @@ -541,12 +541,10 @@ static int tcm_qla2xxx_queue_data_in(struct se_cmd *se_cmd) cmd->cmd_flags |= BIT_4; cmd->bufflen = se_cmd->data_length; cmd->dma_data_direction = target_reverse_dma_direction(se_cmd); - cmd->aborted = (se_cmd->transport_state & CMD_T_ABORTED); cmd->sg_cnt = se_cmd->t_data_nents; cmd->sg = se_cmd->t_data_sg; cmd->offset = 0; - cmd->cmd_flags |= BIT_3; cmd->prot_sg_cnt = se_cmd->t_prot_nents; cmd->prot_sg = se_cmd->t_prot_sg; @@ -571,7 +569,6 @@ static int tcm_qla2xxx_queue_status(struct se_cmd *se_cmd) cmd->sg_cnt = 0; cmd->offset = 0; cmd->dma_data_direction = target_reverse_dma_direction(se_cmd); - cmd->aborted = (se_cmd->transport_state & CMD_T_ABORTED); if (cmd->cmd_flags & BIT_5) { pr_crit("Bit_5 already set for cmd = %p.\n", cmd); dump_stack(); @@ -636,14 +633,7 @@ static void tcm_qla2xxx_aborted_task(struct se_cmd *se_cmd) { struct qla_tgt_cmd *cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd); - struct scsi_qla_host *vha = cmd->vha; - struct qla_hw_data *ha = vha->hw; - - if (!cmd->sg_mapped) - return; - - pci_unmap_sg(ha->pdev, cmd->sg, cmd->sg_cnt, cmd->dma_data_direction); - cmd->sg_mapped = 0; + qlt_abort_cmd(cmd); } static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport *, @@ -1149,9 +1139,7 @@ static struct qla_tgt_sess *tcm_qla2xxx_find_sess_by_s_id( return NULL; } - key = (((unsigned long)s_id[0] << 16) | - ((unsigned long)s_id[1] << 8) | - (unsigned long)s_id[2]); + key = sid_to_key(s_id); pr_debug("find_sess_by_s_id: 0x%06x\n", key); se_nacl = btree_lookup32(&lport->lport_fcport_map, key); @@ -1186,9 +1174,7 @@ static void tcm_qla2xxx_set_sess_by_s_id( void *slot; int rc; - key = (((unsigned long)s_id[0] << 16) | - ((unsigned long)s_id[1] << 8) | - (unsigned long)s_id[2]); + key = sid_to_key(s_id); pr_debug("set_sess_by_s_id: %06x\n", key); slot = btree_lookup32(&lport->lport_fcport_map, key); @@ -1544,6 +1530,10 @@ static void tcm_qla2xxx_update_sess(struct qla_tgt_sess *sess, port_id_t s_id, } sess->conf_compl_supported = conf_compl_supported; + + /* Reset logout parameters to default */ + sess->logout_on_delete = 1; + sess->keep_nport_handle = 0; } /* diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 106884a5444e..6457a8a0db9c 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -26,7 +26,6 @@ #include <linux/blkdev.h> #include <linux/delay.h> #include <linux/jiffies.h> -#include <asm/unaligned.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -944,7 +943,7 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses, scmd->sdb.length); scmd->sdb.table.sgl = &ses->sense_sgl; scmd->sc_data_direction = DMA_FROM_DEVICE; - scmd->sdb.table.nents = 1; + scmd->sdb.table.nents = scmd->sdb.table.orig_nents = 1; scmd->cmnd[0] = REQUEST_SENSE; scmd->cmnd[4] = scmd->sdb.length; scmd->cmd_len = COMMAND_SIZE(scmd->cmnd[0]); @@ -2523,33 +2522,3 @@ void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq) } } EXPORT_SYMBOL(scsi_build_sense_buffer); - -/** - * scsi_set_sense_information - set the information field in a - * formatted sense data buffer - * @buf: Where to build sense data - * @info: 64-bit information value to be set - * - **/ -void scsi_set_sense_information(u8 *buf, u64 info) -{ - if ((buf[0] & 0x7f) == 0x72) { - u8 *ucp, len; - - len = buf[7]; - ucp = (char *)scsi_sense_desc_find(buf, len + 8, 0); - if (!ucp) { - buf[7] = len + 0xa; - ucp = buf + 8 + len; - } - ucp[0] = 0; - ucp[1] = 0xa; - ucp[2] = 0x80; /* Valid bit */ - ucp[3] = 0; - put_unaligned_be64(info, &ucp[4]); - } else if ((buf[0] & 0x7f) == 0x70) { - buf[0] |= 0x80; - put_unaligned_be64(info, &buf[3]); - } -} -EXPORT_SYMBOL(scsi_set_sense_information); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index b1a263137a23..448ebdaa3d69 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -583,7 +583,7 @@ static struct scatterlist *scsi_sg_alloc(unsigned int nents, gfp_t gfp_mask) static void scsi_free_sgtable(struct scsi_data_buffer *sdb, bool mq) { - if (mq && sdb->table.nents <= SCSI_MAX_SG_SEGMENTS) + if (mq && sdb->table.orig_nents <= SCSI_MAX_SG_SEGMENTS) return; __sg_free_table(&sdb->table, SCSI_MAX_SG_SEGMENTS, mq, scsi_sg_free); } @@ -597,8 +597,8 @@ static int scsi_alloc_sgtable(struct scsi_data_buffer *sdb, int nents, bool mq) if (mq) { if (nents <= SCSI_MAX_SG_SEGMENTS) { - sdb->table.nents = nents; - sg_init_table(sdb->table.sgl, sdb->table.nents); + sdb->table.nents = sdb->table.orig_nents = nents; + sg_init_table(sdb->table.sgl, nents); return 0; } first_chunk = sdb->table.sgl; diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c index 9e43ae1d2163..e4b799837948 100644 --- a/drivers/scsi/scsi_pm.c +++ b/drivers/scsi/scsi_pm.c @@ -217,15 +217,15 @@ static int sdev_runtime_suspend(struct device *dev) { const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; struct scsi_device *sdev = to_scsi_device(dev); - int err; + int err = 0; - err = blk_pre_runtime_suspend(sdev->request_queue); - if (err) - return err; - if (pm && pm->runtime_suspend) + if (pm && pm->runtime_suspend) { + err = blk_pre_runtime_suspend(sdev->request_queue); + if (err) + return err; err = pm->runtime_suspend(dev); - blk_post_runtime_suspend(sdev->request_queue, err); - + blk_post_runtime_suspend(sdev->request_queue, err); + } return err; } @@ -248,11 +248,11 @@ static int sdev_runtime_resume(struct device *dev) const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; int err = 0; - blk_pre_runtime_resume(sdev->request_queue); - if (pm && pm->runtime_resume) + if (pm && pm->runtime_resume) { + blk_pre_runtime_resume(sdev->request_queue); err = pm->runtime_resume(dev); - blk_post_runtime_resume(sdev->request_queue, err); - + blk_post_runtime_resume(sdev->request_queue, err); + } return err; } diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 1ac38e73df7e..9ad41168d26d 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -859,7 +859,7 @@ sdev_store_queue_depth(struct device *dev, struct device_attribute *attr, depth = simple_strtoul(buf, NULL, 0); - if (depth < 1 || depth > sht->can_queue) + if (depth < 1 || depth > sdev->host->can_queue) return -EINVAL; retval = sht->change_queue_depth(sdev, depth); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 3b2fcb4fada0..a20da8c25b4f 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2770,9 +2770,9 @@ static int sd_revalidate_disk(struct gendisk *disk) max_xfer = sdkp->max_xfer_blocks; max_xfer <<= ilog2(sdp->sector_size) - 9; - max_xfer = min_not_zero(queue_max_hw_sectors(sdkp->disk->queue), - max_xfer); - blk_queue_max_hw_sectors(sdkp->disk->queue, max_xfer); + sdkp->disk->queue->limits.max_sectors = + min_not_zero(queue_max_hw_sectors(sdkp->disk->queue), max_xfer); + set_capacity(disk, sdkp->capacity); sd_config_write_same(sdkp); kfree(buffer); diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 3f25b8fa921d..871f3553987d 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -1329,9 +1329,9 @@ static int st_open(struct inode *inode, struct file *filp) spin_lock(&st_use_lock); STp->in_use = 0; spin_unlock(&st_use_lock); - scsi_tape_put(STp); if (resumed) scsi_autopm_put_device(STp->device); + scsi_tape_put(STp); return retval; } diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 285f77544c36..7dbbb29d24c6 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -949,7 +949,7 @@ static int virtscsi_probe(struct virtio_device *vdev) { struct Scsi_Host *shost; struct virtio_scsi *vscsi; - int err, host_prot; + int err; u32 sg_elems, num_targets; u32 cmd_per_lun; u32 num_queues; @@ -1009,6 +1009,8 @@ static int virtscsi_probe(struct virtio_device *vdev) #ifdef CONFIG_BLK_DEV_INTEGRITY if (virtio_has_feature(vdev, VIRTIO_SCSI_F_T10_PI)) { + int host_prot; + host_prot = SHOST_DIF_TYPE1_PROTECTION | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION | SHOST_DIX_TYPE1_PROTECTION | SHOST_DIX_TYPE2_PROTECTION | SHOST_DIX_TYPE3_PROTECTION; diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 0cae1694014d..b0f30fb68914 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -612,7 +612,7 @@ config SPI_XTENSA_XTFPGA config SPI_ZYNQMP_GQSPI tristate "Xilinx ZynqMP GQSPI controller" - depends on SPI_MASTER + depends on SPI_MASTER && HAS_DMA help Enables Xilinx GQSPI controller driver for Zynq UltraScale+ MPSoC. diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c index 788e2b176a4f..acce90ac7371 100644 --- a/drivers/spi/spi-img-spfi.c +++ b/drivers/spi/spi-img-spfi.c @@ -40,6 +40,7 @@ #define SPFI_CONTROL_SOFT_RESET BIT(11) #define SPFI_CONTROL_SEND_DMA BIT(10) #define SPFI_CONTROL_GET_DMA BIT(9) +#define SPFI_CONTROL_SE BIT(8) #define SPFI_CONTROL_TMODE_SHIFT 5 #define SPFI_CONTROL_TMODE_MASK 0x7 #define SPFI_CONTROL_TMODE_SINGLE 0 @@ -491,6 +492,7 @@ static void img_spfi_config(struct spi_master *master, struct spi_device *spi, else if (xfer->tx_nbits == SPI_NBITS_QUAD && xfer->rx_nbits == SPI_NBITS_QUAD) val |= SPFI_CONTROL_TMODE_QUAD << SPFI_CONTROL_TMODE_SHIFT; + val |= SPFI_CONTROL_SE; spfi_writel(spfi, val, SPFI_CONTROL); } diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index eb7d3a6fb14c..f9deb84e4e55 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -201,8 +201,9 @@ static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi, { struct spi_imx_data *spi_imx = spi_master_get_devdata(master); - if (spi_imx->dma_is_inited && (transfer->len > spi_imx->rx_wml) - && (transfer->len > spi_imx->tx_wml)) + if (spi_imx->dma_is_inited + && transfer->len > spi_imx->rx_wml * sizeof(u32) + && transfer->len > spi_imx->tx_wml * sizeof(u32)) return true; return false; } diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c index 87b20a511a6b..f23f36ebaf3d 100644 --- a/drivers/spi/spi-zynqmp-gqspi.c +++ b/drivers/spi/spi-zynqmp-gqspi.c @@ -214,6 +214,7 @@ static void zynqmp_gqspi_selectslave(struct zynqmp_qspi *instanceptr, case GQSPI_SELECT_FLASH_CS_BOTH: instanceptr->genfifocs = GQSPI_GENFIFO_CS_LOWER | GQSPI_GENFIFO_CS_UPPER; + break; case GQSPI_SELECT_FLASH_CS_UPPER: instanceptr->genfifocs = GQSPI_GENFIFO_CS_UPPER; break; diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index dd616ff0ffc5..c7de64171c45 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -693,6 +693,7 @@ static struct class *spidev_class; #ifdef CONFIG_OF static const struct of_device_id spidev_dt_ids[] = { { .compatible = "rohm,dh2228fv" }, + { .compatible = "lineartechnology,ltc2488" }, {}, }; MODULE_DEVICE_TABLE(of, spidev_dt_ids); diff --git a/drivers/staging/board/Kconfig b/drivers/staging/board/Kconfig index b8ee81840666..3f287c48e082 100644 --- a/drivers/staging/board/Kconfig +++ b/drivers/staging/board/Kconfig @@ -1,6 +1,6 @@ config STAGING_BOARD bool "Staging Board Support" - depends on OF_ADDRESS + depends on OF_ADDRESS && OF_IRQ && CLKDEV_LOOKUP help Select to enable per-board staging support code. diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c index bfa42620a3f6..940781183fac 100644 --- a/drivers/staging/comedi/drivers/das1800.c +++ b/drivers/staging/comedi/drivers/das1800.c @@ -1266,6 +1266,7 @@ static const struct das1800_board *das1800_probe(struct comedi_device *dev) if (index == das1801hc || index == das1802hc) return board; index = das1801hc; + break; default: dev_err(dev->class_dev, "Board model: probe returned 0x%x (unknown, please report)\n", diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h index 7125eb955ae5..8a9d4a0de129 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h @@ -31,7 +31,6 @@ #define DEBUG_PORTAL_ALLOC #define DEBUG_SUBSYSTEM S_LND -#include <asm/irq.h> #include <linux/crc32.h> #include <linux/errno.h> #include <linux/if.h> diff --git a/drivers/staging/lustre/lustre/obdclass/debug.c b/drivers/staging/lustre/lustre/obdclass/debug.c index 9c934e6d2ea1..c61add46b426 100644 --- a/drivers/staging/lustre/lustre/obdclass/debug.c +++ b/drivers/staging/lustre/lustre/obdclass/debug.c @@ -40,7 +40,7 @@ #define DEBUG_SUBSYSTEM D_OTHER -#include <linux/unaligned/access_ok.h> +#include <asm/unaligned.h> #include "../include/obd_support.h" #include "../include/lustre_debug.h" diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index ed040fbb7df8..69bdc8f29b59 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1418,7 +1418,7 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, priv->current_aid = conf->aid; - if (changed & BSS_CHANGED_BSSID) { + if (changed & BSS_CHANGED_BSSID && conf->bssid) { unsigned long flags; spin_lock_irqsave(&priv->lock, flags); @@ -1483,8 +1483,9 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, } } - if (changed & BSS_CHANGED_ASSOC && priv->op_mode != NL80211_IFTYPE_AP) { - if (conf->assoc) { + if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INFO) && + priv->op_mode != NL80211_IFTYPE_AP) { + if (conf->assoc && conf->beacon_rate) { CARDbUpdateTSF(priv, conf->beacon_rate->hw_value, conf->sync_tsf); diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index f97323f19acf..af572d718135 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -701,7 +701,7 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, priv->current_aid = conf->aid; - if (changed & BSS_CHANGED_BSSID) + if (changed & BSS_CHANGED_BSSID && conf->bssid) vnt_mac_set_bssid_addr(priv, (u8 *)conf->bssid); diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 4e68b62193ed..fd092909a457 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -968,9 +968,9 @@ int iscsit_setup_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, cmd->cmd_flags |= ICF_NON_IMMEDIATE_UNSOLICITED_DATA; conn->sess->init_task_tag = cmd->init_task_tag = hdr->itt; - if (hdr->flags & ISCSI_FLAG_CMD_READ) { + if (hdr->flags & ISCSI_FLAG_CMD_READ) cmd->targ_xfer_tag = session_get_next_ttt(conn->sess); - } else if (hdr->flags & ISCSI_FLAG_CMD_WRITE) + else cmd->targ_xfer_tag = 0xFFFFFFFF; cmd->cmd_sn = be32_to_cpu(hdr->cmdsn); cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn); @@ -3998,7 +3998,13 @@ get_immediate: } transport_err: - iscsit_take_action_for_connection_exit(conn); + /* + * Avoid the normal connection failure code-path if this connection + * is still within LOGIN mode, and iscsi_np process context is + * responsible for cleaning up the early connection failure. + */ + if (conn->conn_state != TARG_CONN_STATE_IN_LOGIN) + iscsit_take_action_for_connection_exit(conn); out: return 0; } @@ -4082,7 +4088,7 @@ reject: int iscsi_target_rx_thread(void *arg) { - int ret; + int ret, rc; u8 buffer[ISCSI_HDR_LEN], opcode; u32 checksum = 0, digest = 0; struct iscsi_conn *conn = arg; @@ -4092,10 +4098,16 @@ int iscsi_target_rx_thread(void *arg) * connection recovery / failure event can be triggered externally. */ allow_signal(SIGINT); + /* + * Wait for iscsi_post_login_handler() to complete before allowing + * incoming iscsi/tcp socket I/O, and/or failing the connection. + */ + rc = wait_for_completion_interruptible(&conn->rx_login_comp); + if (rc < 0) + return 0; if (conn->conn_transport->transport_type == ISCSI_INFINIBAND) { struct completion comp; - int rc; init_completion(&comp); rc = wait_for_completion_interruptible(&comp); @@ -4532,7 +4544,18 @@ static void iscsit_logout_post_handler_closesession( struct iscsi_conn *conn) { struct iscsi_session *sess = conn->sess; - int sleep = cmpxchg(&conn->tx_thread_active, true, false); + int sleep = 1; + /* + * Traditional iscsi/tcp will invoke this logic from TX thread + * context during session logout, so clear tx_thread_active and + * sleep if iscsit_close_connection() has not already occured. + * + * Since iser-target invokes this logic from it's own workqueue, + * always sleep waiting for RX/TX thread shutdown to complete + * within iscsit_close_connection(). + */ + if (conn->conn_transport->transport_type == ISCSI_TCP) + sleep = cmpxchg(&conn->tx_thread_active, true, false); atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); @@ -4546,7 +4569,10 @@ static void iscsit_logout_post_handler_closesession( static void iscsit_logout_post_handler_samecid( struct iscsi_conn *conn) { - int sleep = cmpxchg(&conn->tx_thread_active, true, false); + int sleep = 1; + + if (conn->conn_transport->transport_type == ISCSI_TCP) + sleep = cmpxchg(&conn->tx_thread_active, true, false); atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); @@ -4765,6 +4791,7 @@ int iscsit_release_sessions_for_tpg(struct iscsi_portal_group *tpg, int force) struct iscsi_session *sess; struct se_portal_group *se_tpg = &tpg->tpg_se_tpg; struct se_session *se_sess, *se_sess_tmp; + LIST_HEAD(free_list); int session_count = 0; spin_lock_bh(&se_tpg->session_lock); @@ -4786,14 +4813,17 @@ int iscsit_release_sessions_for_tpg(struct iscsi_portal_group *tpg, int force) } atomic_set(&sess->session_reinstatement, 1); spin_unlock(&sess->conn_lock); - spin_unlock_bh(&se_tpg->session_lock); - iscsit_free_session(sess); - spin_lock_bh(&se_tpg->session_lock); + list_move_tail(&se_sess->sess_list, &free_list); + } + spin_unlock_bh(&se_tpg->session_lock); + + list_for_each_entry_safe(se_sess, se_sess_tmp, &free_list, sess_list) { + sess = (struct iscsi_session *)se_sess->fabric_sess_ptr; + iscsit_free_session(sess); session_count++; } - spin_unlock_bh(&se_tpg->session_lock); pr_debug("Released %d iSCSI Session(s) from Target Portal" " Group: %hu\n", session_count, tpg->tpgt); diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 3d0fe4ff5590..7e8f65e5448f 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -82,6 +82,7 @@ static struct iscsi_login *iscsi_login_init_conn(struct iscsi_conn *conn) init_completion(&conn->conn_logout_comp); init_completion(&conn->rx_half_close_comp); init_completion(&conn->tx_half_close_comp); + init_completion(&conn->rx_login_comp); spin_lock_init(&conn->cmd_lock); spin_lock_init(&conn->conn_usage_lock); spin_lock_init(&conn->immed_queue_lock); @@ -644,7 +645,7 @@ static void iscsi_post_login_start_timers(struct iscsi_conn *conn) iscsit_start_nopin_timer(conn); } -static int iscsit_start_kthreads(struct iscsi_conn *conn) +int iscsit_start_kthreads(struct iscsi_conn *conn) { int ret = 0; @@ -679,6 +680,7 @@ static int iscsit_start_kthreads(struct iscsi_conn *conn) return 0; out_tx: + send_sig(SIGINT, conn->tx_thread, 1); kthread_stop(conn->tx_thread); conn->tx_thread_active = false; out_bitmap: @@ -689,7 +691,7 @@ out_bitmap: return ret; } -int iscsi_post_login_handler( +void iscsi_post_login_handler( struct iscsi_np *np, struct iscsi_conn *conn, u8 zero_tsih) @@ -699,7 +701,6 @@ int iscsi_post_login_handler( struct se_session *se_sess = sess->se_sess; struct iscsi_portal_group *tpg = sess->tpg; struct se_portal_group *se_tpg = &tpg->tpg_se_tpg; - int rc; iscsit_inc_conn_usage_count(conn); @@ -739,10 +740,6 @@ int iscsi_post_login_handler( sess->sess_ops->InitiatorName); spin_unlock_bh(&sess->conn_lock); - rc = iscsit_start_kthreads(conn); - if (rc) - return rc; - iscsi_post_login_start_timers(conn); /* * Determine CPU mask to ensure connection's RX and TX kthreads @@ -751,15 +748,20 @@ int iscsi_post_login_handler( iscsit_thread_get_cpumask(conn); conn->conn_rx_reset_cpumask = 1; conn->conn_tx_reset_cpumask = 1; - + /* + * Wakeup the sleeping iscsi_target_rx_thread() now that + * iscsi_conn is in TARG_CONN_STATE_LOGGED_IN state. + */ + complete(&conn->rx_login_comp); iscsit_dec_conn_usage_count(conn); + if (stop_timer) { spin_lock_bh(&se_tpg->session_lock); iscsit_stop_time2retain_timer(sess); spin_unlock_bh(&se_tpg->session_lock); } iscsit_dec_session_usage_count(sess); - return 0; + return; } iscsi_set_session_parameters(sess->sess_ops, conn->param_list, 1); @@ -800,10 +802,6 @@ int iscsi_post_login_handler( " iSCSI Target Portal Group: %hu\n", tpg->nsessions, tpg->tpgt); spin_unlock_bh(&se_tpg->session_lock); - rc = iscsit_start_kthreads(conn); - if (rc) - return rc; - iscsi_post_login_start_timers(conn); /* * Determine CPU mask to ensure connection's RX and TX kthreads @@ -812,10 +810,12 @@ int iscsi_post_login_handler( iscsit_thread_get_cpumask(conn); conn->conn_rx_reset_cpumask = 1; conn->conn_tx_reset_cpumask = 1; - + /* + * Wakeup the sleeping iscsi_target_rx_thread() now that + * iscsi_conn is in TARG_CONN_STATE_LOGGED_IN state. + */ + complete(&conn->rx_login_comp); iscsit_dec_conn_usage_count(conn); - - return 0; } static void iscsi_handle_login_thread_timeout(unsigned long data) @@ -1380,23 +1380,12 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) if (ret < 0) goto new_sess_out; - if (!conn->sess) { - pr_err("struct iscsi_conn session pointer is NULL!\n"); - goto new_sess_out; - } - iscsi_stop_login_thread_timer(np); - if (signal_pending(current)) - goto new_sess_out; - if (ret == 1) { tpg_np = conn->tpg_np; - ret = iscsi_post_login_handler(np, conn, zero_tsih); - if (ret < 0) - goto new_sess_out; - + iscsi_post_login_handler(np, conn, zero_tsih); iscsit_deaccess_np(np, tpg, tpg_np); } diff --git a/drivers/target/iscsi/iscsi_target_login.h b/drivers/target/iscsi/iscsi_target_login.h index 1c7358081533..57aa0d0fd820 100644 --- a/drivers/target/iscsi/iscsi_target_login.h +++ b/drivers/target/iscsi/iscsi_target_login.h @@ -12,7 +12,8 @@ extern int iscsit_accept_np(struct iscsi_np *, struct iscsi_conn *); extern int iscsit_get_login_rx(struct iscsi_conn *, struct iscsi_login *); extern int iscsit_put_login_tx(struct iscsi_conn *, struct iscsi_login *, u32); extern void iscsit_free_conn(struct iscsi_np *, struct iscsi_conn *); -extern int iscsi_post_login_handler(struct iscsi_np *, struct iscsi_conn *, u8); +extern int iscsit_start_kthreads(struct iscsi_conn *); +extern void iscsi_post_login_handler(struct iscsi_np *, struct iscsi_conn *, u8); extern void iscsi_target_login_sess_out(struct iscsi_conn *, struct iscsi_np *, bool, bool); extern int iscsi_target_login_thread(void *); diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 8c02fa34716f..f9cde9141836 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -17,6 +17,7 @@ ******************************************************************************/ #include <linux/ctype.h> +#include <linux/kthread.h> #include <scsi/iscsi_proto.h> #include <target/target_core_base.h> #include <target/target_core_fabric.h> @@ -361,10 +362,24 @@ static int iscsi_target_do_tx_login_io(struct iscsi_conn *conn, struct iscsi_log ntohl(login_rsp->statsn), login->rsp_length); padding = ((-login->rsp_length) & 3); + /* + * Before sending the last login response containing the transition + * bit for full-feature-phase, go ahead and start up TX/RX threads + * now to avoid potential resource allocation failures after the + * final login response has been sent. + */ + if (login->login_complete) { + int rc = iscsit_start_kthreads(conn); + if (rc) { + iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, + ISCSI_LOGIN_STATUS_NO_RESOURCES); + return -1; + } + } if (conn->conn_transport->iscsit_put_login_tx(conn, login, login->rsp_length + padding) < 0) - return -1; + goto err; login->rsp_length = 0; mutex_lock(&sess->cmdsn_mutex); @@ -373,6 +388,23 @@ static int iscsi_target_do_tx_login_io(struct iscsi_conn *conn, struct iscsi_log mutex_unlock(&sess->cmdsn_mutex); return 0; + +err: + if (login->login_complete) { + if (conn->rx_thread && conn->rx_thread_active) { + send_sig(SIGINT, conn->rx_thread, 1); + kthread_stop(conn->rx_thread); + } + if (conn->tx_thread && conn->tx_thread_active) { + send_sig(SIGINT, conn->tx_thread, 1); + kthread_stop(conn->tx_thread); + } + spin_lock(&iscsit_global->ts_bitmap_lock); + bitmap_release_region(iscsit_global->ts_bitmap, conn->bitmap_id, + get_order(1)); + spin_unlock(&iscsit_global->ts_bitmap_lock); + } + return -1; } static void iscsi_target_sk_data_ready(struct sock *sk) diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 0b0de3647478..860e84046177 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -457,8 +457,15 @@ void target_unregister_template(const struct target_core_fabric_ops *fo) if (!strcmp(t->tf_ops->name, fo->name)) { BUG_ON(atomic_read(&t->tf_access_cnt)); list_del(&t->tf_list); + mutex_unlock(&g_tf_lock); + /* + * Wait for any outstanding fabric se_deve_entry->rcu_head + * callbacks to complete post kfree_rcu(), before allowing + * fabric driver unload of TFO->module to proceed. + */ + rcu_barrier(); kfree(t); - break; + return; } } mutex_unlock(&g_tf_lock); @@ -747,7 +754,7 @@ static ssize_t store_pi_prot_type(struct se_dev_attrib *da, if (!dev->transport->init_prot || !dev->transport->free_prot) { /* 0 is only allowed value for non-supporting backends */ if (flag == 0) - return 0; + return count; pr_err("DIF protection not supported by backend: %s\n", dev->transport->name); @@ -1590,9 +1597,9 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata( u8 type = 0; if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH) - return 0; + return count; if (dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS) - return 0; + return count; if (dev->export_count) { pr_debug("Unable to process APTPL metadata while" @@ -1658,22 +1665,32 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata( * PR APTPL Metadata for Reservation */ case Opt_res_holder: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; res_holder = arg; break; case Opt_res_type: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; type = (u8)arg; break; case Opt_res_scope: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; break; case Opt_res_all_tg_pt: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; all_tg_pt = (int)arg; break; case Opt_mapped_lun: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; mapped_lun = (u64)arg; break; /* @@ -1701,14 +1718,20 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata( } break; case Opt_tpgt: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; tpgt = (u16)arg; break; case Opt_port_rtpi: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; break; case Opt_target_lun: - match_int(args, &arg); + ret = match_int(args, &arg); + if (ret) + goto out; target_lun = (u64)arg; break; default: @@ -1985,7 +2008,7 @@ static ssize_t target_core_store_alua_lu_gp( lu_gp_mem = dev->dev_alua_lu_gp_mem; if (!lu_gp_mem) - return 0; + return count; if (count > LU_GROUP_NAME_BUF) { pr_err("ALUA LU Group Alias too large!\n"); diff --git a/drivers/target/target_core_hba.c b/drivers/target/target_core_hba.c index 62ea4e8e70a8..be9cefc07407 100644 --- a/drivers/target/target_core_hba.c +++ b/drivers/target/target_core_hba.c @@ -84,8 +84,16 @@ void target_backend_unregister(const struct target_backend_ops *ops) list_for_each_entry(tb, &backend_list, list) { if (tb->ops == ops) { list_del(&tb->list); + mutex_unlock(&backend_mutex); + /* + * Wait for any outstanding backend driver ->rcu_head + * callbacks to complete post TBO->free_device() -> + * call_rcu(), before allowing backend driver module + * unload of target_backend_ops->owner to proceed. + */ + rcu_barrier(); kfree(tb); - break; + return; } } mutex_unlock(&backend_mutex); diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 0fdbe43b7dad..5ab7100de17e 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -1474,7 +1474,7 @@ core_scsi3_decode_spec_i_port( LIST_HEAD(tid_dest_list); struct pr_transport_id_holder *tidh_new, *tidh, *tidh_tmp; unsigned char *buf, *ptr, proto_ident; - const unsigned char *i_str; + const unsigned char *i_str = NULL; char *iport_ptr = NULL, i_buf[PR_REG_ISID_ID_LEN]; sense_reason_t ret; u32 tpdl, tid_len = 0; diff --git a/drivers/target/target_core_rd.c b/drivers/target/target_core_rd.c index 4703f403f31c..384cf8894411 100644 --- a/drivers/target/target_core_rd.c +++ b/drivers/target/target_core_rd.c @@ -333,6 +333,7 @@ static int rd_configure_device(struct se_device *dev) dev->dev_attrib.hw_block_size = RD_BLOCKSIZE; dev->dev_attrib.hw_max_sectors = UINT_MAX; dev->dev_attrib.hw_queue_depth = RD_MAX_DEVICE_QUEUE_DEPTH; + dev->dev_attrib.is_nonrot = 1; rd_dev->rd_dev_id = rd_host->rd_host_dev_id_count++; diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index b0744433315a..f87d4cef6d39 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -454,10 +454,17 @@ spc_emulate_evpd_86(struct se_cmd *cmd, unsigned char *buf) cmd->se_sess->sess_prot_type == TARGET_DIF_TYPE1_PROT) buf[4] = 0x5; else if (dev->dev_attrib.pi_prot_type == TARGET_DIF_TYPE3_PROT || - cmd->se_sess->sess_prot_type == TARGET_DIF_TYPE3_PROT) + cmd->se_sess->sess_prot_type == TARGET_DIF_TYPE3_PROT) buf[4] = 0x4; } + /* logical unit supports type 1 and type 3 protection */ + if ((dev->transport->get_device_type(dev) == TYPE_DISK) && + (sess->sup_prot_ops & (TARGET_PROT_DIN_PASS | TARGET_PROT_DOUT_PASS)) && + (dev->dev_attrib.pi_prot_type || cmd->se_sess->sess_prot_type)) { + buf[4] |= (0x3 << 3); + } + /* Set HEADSUP, ORDSUP, SIMPSUP */ buf[5] = 0x07; @@ -1196,17 +1203,13 @@ sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd) struct se_dev_entry *deve; struct se_session *sess = cmd->se_sess; struct se_node_acl *nacl; + struct scsi_lun slun; unsigned char *buf; u32 lun_count = 0, offset = 8; - - if (cmd->data_length < 16) { - pr_warn("REPORT LUNS allocation length %u too small\n", - cmd->data_length); - return TCM_INVALID_CDB_FIELD; - } + __be32 len; buf = transport_kmap_data_sg(cmd); - if (!buf) + if (cmd->data_length && !buf) return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; /* @@ -1214,11 +1217,9 @@ sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd) * coming via a target_core_mod PASSTHROUGH op, and not through * a $FABRIC_MOD. In that case, report LUN=0 only. */ - if (!sess) { - int_to_scsilun(0, (struct scsi_lun *)&buf[offset]); - lun_count = 1; + if (!sess) goto done; - } + nacl = sess->se_node_acl; rcu_read_lock(); @@ -1229,10 +1230,12 @@ sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd) * See SPC2-R20 7.19. */ lun_count++; - if ((offset + 8) > cmd->data_length) + if (offset >= cmd->data_length) continue; - int_to_scsilun(deve->mapped_lun, (struct scsi_lun *)&buf[offset]); + int_to_scsilun(deve->mapped_lun, &slun); + memcpy(buf + offset, &slun, + min(8u, cmd->data_length - offset)); offset += 8; } rcu_read_unlock(); @@ -1241,12 +1244,22 @@ sense_reason_t spc_emulate_report_luns(struct se_cmd *cmd) * See SPC3 r07, page 159. */ done: - lun_count *= 8; - buf[0] = ((lun_count >> 24) & 0xff); - buf[1] = ((lun_count >> 16) & 0xff); - buf[2] = ((lun_count >> 8) & 0xff); - buf[3] = (lun_count & 0xff); - transport_kunmap_data_sg(cmd); + /* + * If no LUNs are accessible, report virtual LUN 0. + */ + if (lun_count == 0) { + int_to_scsilun(0, &slun); + if (cmd->data_length > 8) + memcpy(buf + offset, &slun, + min(8u, cmd->data_length - offset)); + lun_count = 1; + } + + if (buf) { + len = cpu_to_be32(lun_count * 8); + memcpy(buf, &len, min_t(int, sizeof len, cmd->data_length)); + transport_kunmap_data_sg(cmd); + } target_complete_cmd_with_length(cmd, GOOD, 8 + lun_count * 8); return 0; diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 6509c61b9648..620dcd405ff6 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -68,7 +68,7 @@ struct power_table { * registered cooling device. * @cpufreq_state: integer value representing the current state of cpufreq * cooling devices. - * @cpufreq_val: integer value representing the absolute value of the clipped + * @clipped_freq: integer value representing the absolute value of the clipped * frequency. * @max_level: maximum cooling level. One less than total number of valid * cpufreq frequencies. @@ -91,7 +91,7 @@ struct cpufreq_cooling_device { int id; struct thermal_cooling_device *cool_dev; unsigned int cpufreq_state; - unsigned int cpufreq_val; + unsigned int clipped_freq; unsigned int max_level; unsigned int *freq_table; /* In descending order */ struct cpumask allowed_cpus; @@ -107,6 +107,9 @@ struct cpufreq_cooling_device { static DEFINE_IDR(cpufreq_idr); static DEFINE_MUTEX(cooling_cpufreq_lock); +static unsigned int cpufreq_dev_count; + +static DEFINE_MUTEX(cooling_list_lock); static LIST_HEAD(cpufreq_dev_list); /** @@ -185,14 +188,14 @@ unsigned long cpufreq_cooling_get_level(unsigned int cpu, unsigned int freq) { struct cpufreq_cooling_device *cpufreq_dev; - mutex_lock(&cooling_cpufreq_lock); + mutex_lock(&cooling_list_lock); list_for_each_entry(cpufreq_dev, &cpufreq_dev_list, node) { if (cpumask_test_cpu(cpu, &cpufreq_dev->allowed_cpus)) { - mutex_unlock(&cooling_cpufreq_lock); + mutex_unlock(&cooling_list_lock); return get_level(cpufreq_dev, freq); } } - mutex_unlock(&cooling_cpufreq_lock); + mutex_unlock(&cooling_list_lock); pr_err("%s: cpu:%d not part of any cooling device\n", __func__, cpu); return THERMAL_CSTATE_INVALID; @@ -215,29 +218,35 @@ static int cpufreq_thermal_notifier(struct notifier_block *nb, unsigned long event, void *data) { struct cpufreq_policy *policy = data; - unsigned long max_freq = 0; + unsigned long clipped_freq; struct cpufreq_cooling_device *cpufreq_dev; - switch (event) { + if (event != CPUFREQ_ADJUST) + return NOTIFY_DONE; - case CPUFREQ_ADJUST: - mutex_lock(&cooling_cpufreq_lock); - list_for_each_entry(cpufreq_dev, &cpufreq_dev_list, node) { - if (!cpumask_test_cpu(policy->cpu, - &cpufreq_dev->allowed_cpus)) - continue; + mutex_lock(&cooling_list_lock); + list_for_each_entry(cpufreq_dev, &cpufreq_dev_list, node) { + if (!cpumask_test_cpu(policy->cpu, &cpufreq_dev->allowed_cpus)) + continue; - max_freq = cpufreq_dev->cpufreq_val; + /* + * policy->max is the maximum allowed frequency defined by user + * and clipped_freq is the maximum that thermal constraints + * allow. + * + * If clipped_freq is lower than policy->max, then we need to + * readjust policy->max. + * + * But, if clipped_freq is greater than policy->max, we don't + * need to do anything. + */ + clipped_freq = cpufreq_dev->clipped_freq; - if (policy->max != max_freq) - cpufreq_verify_within_limits(policy, 0, - max_freq); - } - mutex_unlock(&cooling_cpufreq_lock); + if (policy->max > clipped_freq) + cpufreq_verify_within_limits(policy, 0, clipped_freq); break; - default: - return NOTIFY_DONE; } + mutex_unlock(&cooling_list_lock); return NOTIFY_OK; } @@ -519,7 +528,7 @@ static int cpufreq_set_cur_state(struct thermal_cooling_device *cdev, clip_freq = cpufreq_device->freq_table[state]; cpufreq_device->cpufreq_state = state; - cpufreq_device->cpufreq_val = clip_freq; + cpufreq_device->clipped_freq = clip_freq; cpufreq_update_policy(cpu); @@ -861,17 +870,19 @@ __cpufreq_cooling_register(struct device_node *np, pr_debug("%s: freq:%u KHz\n", __func__, freq); } - cpufreq_dev->cpufreq_val = cpufreq_dev->freq_table[0]; + cpufreq_dev->clipped_freq = cpufreq_dev->freq_table[0]; cpufreq_dev->cool_dev = cool_dev; mutex_lock(&cooling_cpufreq_lock); + mutex_lock(&cooling_list_lock); + list_add(&cpufreq_dev->node, &cpufreq_dev_list); + mutex_unlock(&cooling_list_lock); + /* Register the notifier for first cpufreq cooling device */ - if (list_empty(&cpufreq_dev_list)) + if (!cpufreq_dev_count++) cpufreq_register_notifier(&thermal_cpufreq_notifier_block, CPUFREQ_POLICY_NOTIFIER); - list_add(&cpufreq_dev->node, &cpufreq_dev_list); - mutex_unlock(&cooling_cpufreq_lock); return cool_dev; @@ -1013,13 +1024,17 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev) return; cpufreq_dev = cdev->devdata; - mutex_lock(&cooling_cpufreq_lock); - list_del(&cpufreq_dev->node); /* Unregister the notifier for the last cpufreq cooling device */ - if (list_empty(&cpufreq_dev_list)) + mutex_lock(&cooling_cpufreq_lock); + if (!--cpufreq_dev_count) cpufreq_unregister_notifier(&thermal_cpufreq_notifier_block, CPUFREQ_POLICY_NOTIFIER); + + mutex_lock(&cooling_list_lock); + list_del(&cpufreq_dev->node); + mutex_unlock(&cooling_list_lock); + mutex_unlock(&cooling_cpufreq_lock); thermal_cooling_device_unregister(cpufreq_dev->cool_dev); diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c index d5dd357ba57c..b49f97c734d0 100644 --- a/drivers/thermal/hisi_thermal.c +++ b/drivers/thermal/hisi_thermal.c @@ -405,7 +405,6 @@ static SIMPLE_DEV_PM_OPS(hisi_thermal_pm_ops, static struct platform_driver hisi_thermal_driver = { .driver = { .name = "hisi_thermal", - .owner = THIS_MODULE, .pm = &hisi_thermal_pm_ops, .of_match_table = of_hisi_thermal_match, }, diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c index 4672250b329f..251676902869 100644 --- a/drivers/thermal/power_allocator.c +++ b/drivers/thermal/power_allocator.c @@ -229,7 +229,8 @@ static int allocate_power(struct thermal_zone_device *tz, struct thermal_instance *instance; struct power_allocator_params *params = tz->governor_data; u32 *req_power, *max_power, *granted_power, *extra_actor_power; - u32 total_req_power, max_allocatable_power; + u32 *weighted_req_power; + u32 total_req_power, max_allocatable_power, total_weighted_req_power; u32 total_granted_power, power_range; int i, num_actors, total_weight, ret = 0; int trip_max_desired_temperature = params->trip_max_desired_temperature; @@ -247,17 +248,17 @@ static int allocate_power(struct thermal_zone_device *tz, } /* - * We need to allocate three arrays of the same size: - * req_power, max_power and granted_power. They are going to - * be needed until this function returns. Allocate them all - * in one go to simplify the allocation and deallocation - * logic. + * We need to allocate five arrays of the same size: + * req_power, max_power, granted_power, extra_actor_power and + * weighted_req_power. They are going to be needed until this + * function returns. Allocate them all in one go to simplify + * the allocation and deallocation logic. */ BUILD_BUG_ON(sizeof(*req_power) != sizeof(*max_power)); BUILD_BUG_ON(sizeof(*req_power) != sizeof(*granted_power)); BUILD_BUG_ON(sizeof(*req_power) != sizeof(*extra_actor_power)); - req_power = devm_kcalloc(&tz->device, num_actors * 4, - sizeof(*req_power), GFP_KERNEL); + BUILD_BUG_ON(sizeof(*req_power) != sizeof(*weighted_req_power)); + req_power = kcalloc(num_actors * 5, sizeof(*req_power), GFP_KERNEL); if (!req_power) { ret = -ENOMEM; goto unlock; @@ -266,8 +267,10 @@ static int allocate_power(struct thermal_zone_device *tz, max_power = &req_power[num_actors]; granted_power = &req_power[2 * num_actors]; extra_actor_power = &req_power[3 * num_actors]; + weighted_req_power = &req_power[4 * num_actors]; i = 0; + total_weighted_req_power = 0; total_req_power = 0; max_allocatable_power = 0; @@ -289,13 +292,14 @@ static int allocate_power(struct thermal_zone_device *tz, else weight = instance->weight; - req_power[i] = frac_to_int(weight * req_power[i]); + weighted_req_power[i] = frac_to_int(weight * req_power[i]); if (power_actor_get_max_power(cdev, tz, &max_power[i])) continue; total_req_power += req_power[i]; max_allocatable_power += max_power[i]; + total_weighted_req_power += weighted_req_power[i]; i++; } @@ -303,8 +307,9 @@ static int allocate_power(struct thermal_zone_device *tz, power_range = pid_controller(tz, current_temp, control_temp, max_allocatable_power); - divvy_up_power(req_power, max_power, num_actors, total_req_power, - power_range, granted_power, extra_actor_power); + divvy_up_power(weighted_req_power, max_power, num_actors, + total_weighted_req_power, power_range, granted_power, + extra_actor_power); total_granted_power = 0; i = 0; @@ -328,7 +333,7 @@ static int allocate_power(struct thermal_zone_device *tz, max_allocatable_power, current_temp, (s32)control_temp - (s32)current_temp); - devm_kfree(&tz->device, req_power); + kfree(req_power); unlock: mutex_unlock(&tz->lock); @@ -420,7 +425,7 @@ static int power_allocator_bind(struct thermal_zone_device *tz) return -EINVAL; } - params = devm_kzalloc(&tz->device, sizeof(*params), GFP_KERNEL); + params = kzalloc(sizeof(*params), GFP_KERNEL); if (!params) return -ENOMEM; @@ -462,14 +467,14 @@ static int power_allocator_bind(struct thermal_zone_device *tz) return 0; free: - devm_kfree(&tz->device, params); + kfree(params); return ret; } static void power_allocator_unbind(struct thermal_zone_device *tz) { dev_dbg(&tz->device, "Unbinding from thermal zone %d\n", tz->id); - devm_kfree(&tz->device, tz->governor_data); + kfree(tz->governor_data); tz->governor_data = NULL; } diff --git a/drivers/thermal/samsung/Kconfig b/drivers/thermal/samsung/Kconfig index c8e35c1a43dc..e0da3865e060 100644 --- a/drivers/thermal/samsung/Kconfig +++ b/drivers/thermal/samsung/Kconfig @@ -1,6 +1,6 @@ config EXYNOS_THERMAL tristate "Exynos thermal management unit driver" - depends on OF + depends on THERMAL_OF help If you say yes here you get support for the TMU (Thermal Management Unit) driver for SAMSUNG EXYNOS series of SoCs. This driver initialises diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 531f4b179871..c96ff10b869e 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -1296,7 +1296,6 @@ static struct thermal_zone_of_device_ops exynos_sensor_ops = { static int exynos_tmu_probe(struct platform_device *pdev) { - struct exynos_tmu_platform_data *pdata; struct exynos_tmu_data *data; int ret; @@ -1318,8 +1317,6 @@ static int exynos_tmu_probe(struct platform_device *pdev) if (ret) goto err_sensor; - pdata = data->pdata; - INIT_WORK(&data->irq_work, exynos_tmu_work); data->clk = devm_clk_get(&pdev->dev, "tmu_apbif"); @@ -1392,6 +1389,8 @@ err_clk_sec: if (!IS_ERR(data->clk_sec)) clk_unprepare(data->clk_sec); err_sensor: + if (!IS_ERR_OR_NULL(data->regulator)) + regulator_disable(data->regulator); thermal_zone_of_sensor_unregister(&pdev->dev, data->tzd); return ret; diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 04659bfb888b..4ca211be4c0f 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1333,6 +1333,7 @@ int thermal_zone_unbind_cooling_device(struct thermal_zone_device *tz, return -ENODEV; unbind: + device_remove_file(&tz->device, &pos->weight_attr); device_remove_file(&tz->device, &pos->attr); sysfs_remove_link(&tz->device.kobj, pos->name); release_idr(&tz->idr, &tz->lock, pos->id); diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index c9c27f69e101..ee8bfacf2071 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1108,19 +1108,29 @@ static void eraser(unsigned char c, struct tty_struct *tty) * Locking: ctrl_lock */ -static void isig(int sig, struct tty_struct *tty) +static void __isig(int sig, struct tty_struct *tty) { - struct n_tty_data *ldata = tty->disc_data; struct pid *tty_pgrp = tty_get_pgrp(tty); if (tty_pgrp) { kill_pgrp(tty_pgrp, sig, 1); put_pid(tty_pgrp); } +} - if (!L_NOFLSH(tty)) { +static void isig(int sig, struct tty_struct *tty) +{ + struct n_tty_data *ldata = tty->disc_data; + + if (L_NOFLSH(tty)) { + /* signal only */ + __isig(sig, tty); + + } else { /* signal and flush */ up_read(&tty->termios_rwsem); down_write(&tty->termios_rwsem); + __isig(sig, tty); + /* clear echo buffer */ mutex_lock(&ldata->output_lock); ldata->echo_head = ldata->echo_tail = 0; diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 76e65b714471..15b4079a335e 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -1185,7 +1185,7 @@ config SERIAL_SC16IS7XX_CORE config SERIAL_SC16IS7XX tristate "SC16IS7xx serial support" select SERIAL_CORE - depends on I2C || SPI_MASTER + depends on (SPI_MASTER && !I2C) || I2C help This selects support for SC16IS7xx serial ports. Supported ICs are SC16IS740, SC16IS741, SC16IS750, SC16IS752, diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 50cf5b10ceed..fd27e986b1dd 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -2310,8 +2310,8 @@ static int pl011_setup_port(struct device *dev, struct uart_amba_port *uap, void __iomem *base; base = devm_ioremap_resource(dev, mmiobase); - if (!base) - return -ENOMEM; + if (IS_ERR(base)) + return PTR_ERR(base); index = pl011_probe_dt_alias(index, dev); diff --git a/drivers/tty/serial/etraxfs-uart.c b/drivers/tty/serial/etraxfs-uart.c index a57301a6fe42..679709f51fd4 100644 --- a/drivers/tty/serial/etraxfs-uart.c +++ b/drivers/tty/serial/etraxfs-uart.c @@ -950,7 +950,7 @@ static int etraxfs_uart_remove(struct platform_device *pdev) port = platform_get_drvdata(pdev); uart_remove_one_port(&etraxfs_uart_driver, port); - etraxfs_uart_ports[pdev->id] = NULL; + etraxfs_uart_ports[port->line] = NULL; return 0; } diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 2c90dc31bfaa..54fdc7866ea1 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1121,11 +1121,6 @@ static int imx_startup(struct uart_port *port) writel(temp & ~UCR4_DREN, sport->port.membase + UCR4); - /* Can we enable the DMA support? */ - if (is_imx6q_uart(sport) && !uart_console(port) && - !sport->dma_is_inited) - imx_uart_dma_init(sport); - spin_lock_irqsave(&sport->port.lock, flags); /* Reset fifo's and state machines */ i = 100; @@ -1143,9 +1138,6 @@ static int imx_startup(struct uart_port *port) writel(USR1_RTSD, sport->port.membase + USR1); writel(USR2_ORE, sport->port.membase + USR2); - if (sport->dma_is_inited && !sport->dma_is_enabled) - imx_enable_dma(sport); - temp = readl(sport->port.membase + UCR1); temp |= UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN; @@ -1316,6 +1308,11 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, } else { ucr2 |= UCR2_CTSC; } + + /* Can we enable the DMA support? */ + if (is_imx6q_uart(sport) && !uart_console(port) + && !sport->dma_is_inited) + imx_uart_dma_init(sport); } else { termios->c_cflag &= ~CRTSCTS; } @@ -1432,6 +1429,8 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, if (UART_ENABLE_MS(&sport->port, termios->c_cflag)) imx_enable_ms(&sport->port); + if (sport->dma_is_inited && !sport->dma_is_enabled) + imx_enable_dma(sport); spin_unlock_irqrestore(&sport->port.lock, flags); } diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index 9e6576004a42..5ccc698cbbfa 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -354,6 +354,26 @@ static void sc16is7xx_port_write(struct uart_port *port, u8 reg, u8 val) (reg << SC16IS7XX_REG_SHIFT) | port->line, val); } +static void sc16is7xx_fifo_read(struct uart_port *port, unsigned int rxlen) +{ + struct sc16is7xx_port *s = dev_get_drvdata(port->dev); + u8 addr = (SC16IS7XX_RHR_REG << SC16IS7XX_REG_SHIFT) | port->line; + + regcache_cache_bypass(s->regmap, true); + regmap_raw_read(s->regmap, addr, s->buf, rxlen); + regcache_cache_bypass(s->regmap, false); +} + +static void sc16is7xx_fifo_write(struct uart_port *port, u8 to_send) +{ + struct sc16is7xx_port *s = dev_get_drvdata(port->dev); + u8 addr = (SC16IS7XX_THR_REG << SC16IS7XX_REG_SHIFT) | port->line; + + regcache_cache_bypass(s->regmap, true); + regmap_raw_write(s->regmap, addr, s->buf, to_send); + regcache_cache_bypass(s->regmap, false); +} + static void sc16is7xx_port_update(struct uart_port *port, u8 reg, u8 mask, u8 val) { @@ -508,10 +528,7 @@ static void sc16is7xx_handle_rx(struct uart_port *port, unsigned int rxlen, s->buf[0] = sc16is7xx_port_read(port, SC16IS7XX_RHR_REG); bytes_read = 1; } else { - regcache_cache_bypass(s->regmap, true); - regmap_raw_read(s->regmap, SC16IS7XX_RHR_REG, - s->buf, rxlen); - regcache_cache_bypass(s->regmap, false); + sc16is7xx_fifo_read(port, rxlen); bytes_read = rxlen; } @@ -591,9 +608,8 @@ static void sc16is7xx_handle_tx(struct uart_port *port) s->buf[i] = xmit->buf[xmit->tail]; xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); } - regcache_cache_bypass(s->regmap, true); - regmap_raw_write(s->regmap, SC16IS7XX_THR_REG, s->buf, to_send); - regcache_cache_bypass(s->regmap, false); + + sc16is7xx_fifo_write(port, to_send); } if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 7ae1592f7ec9..f36852067f20 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1418,7 +1418,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) mutex_lock(&port->mutex); uart_shutdown(tty, state); tty_port_tty_set(port, NULL); - tty->closing = 0; + spin_lock_irqsave(&port->lock, flags); if (port->blocked_open) { @@ -1444,6 +1444,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) mutex_unlock(&port->mutex); tty_ldisc_flush(tty); + tty->closing = 0; } static void uart_wait_until_sent(struct tty_struct *tty, int timeout) diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c index ea27804d87af..381a2b13682c 100644 --- a/drivers/tty/vt/selection.c +++ b/drivers/tty/vt/selection.c @@ -356,6 +356,7 @@ int paste_selection(struct tty_struct *tty) schedule(); continue; } + __set_current_state(TASK_RUNNING); count = sel_buffer_lth - pasted; count = tty_ldisc_receive_buf(ld, sel_buffer + pasted, NULL, count); diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 8fe52989b380..4462d167900c 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -742,6 +742,8 @@ static void visual_init(struct vc_data *vc, int num, int init) __module_get(vc->vc_sw->owner); vc->vc_num = num; vc->vc_display_fg = &master_display_fg; + if (vc->vc_uni_pagedir_loc) + con_free_unimap(vc); vc->vc_uni_pagedir_loc = &vc->vc_uni_pagedir; vc->vc_uni_pagedir = NULL; vc->vc_hi_font_mask = 0; diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 74fea4fa41b1..3ad48e1c0c57 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -1024,7 +1024,18 @@ static struct platform_driver ci_hdrc_driver = { }, }; -module_platform_driver(ci_hdrc_driver); +static int __init ci_hdrc_platform_register(void) +{ + ci_hdrc_host_driver_init(); + return platform_driver_register(&ci_hdrc_driver); +} +module_init(ci_hdrc_platform_register); + +static void __exit ci_hdrc_platform_unregister(void) +{ + platform_driver_unregister(&ci_hdrc_driver); +} +module_exit(ci_hdrc_platform_unregister); MODULE_ALIAS("platform:ci_hdrc"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index 6cf87b8b13a8..7161439def19 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -249,9 +249,12 @@ int ci_hdrc_host_init(struct ci_hdrc *ci) rdrv->name = "host"; ci->roles[CI_ROLE_HOST] = rdrv; + return 0; +} + +void ci_hdrc_host_driver_init(void) +{ ehci_init_driver(&ci_ehci_hc_driver, &ehci_ci_overrides); orig_bus_suspend = ci_ehci_hc_driver.bus_suspend; ci_ehci_hc_driver.bus_suspend = ci_ehci_bus_suspend; - - return 0; } diff --git a/drivers/usb/chipidea/host.h b/drivers/usb/chipidea/host.h index 5707bf379bfb..0f12f131bdd3 100644 --- a/drivers/usb/chipidea/host.h +++ b/drivers/usb/chipidea/host.h @@ -5,6 +5,7 @@ int ci_hdrc_host_init(struct ci_hdrc *ci); void ci_hdrc_host_destroy(struct ci_hdrc *ci); +void ci_hdrc_host_driver_init(void); #else @@ -18,6 +19,11 @@ static inline void ci_hdrc_host_destroy(struct ci_hdrc *ci) } +static void ci_hdrc_host_driver_init(void) +{ + +} + #endif #endif /* __DRIVERS_USB_CHIPIDEA_HOST_H */ diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 519a77ba214c..b30e7423549b 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1944,6 +1944,7 @@ static void __exit acm_exit(void) usb_deregister(&acm_driver); tty_unregister_driver(acm_tty_driver); put_tty_driver(acm_tty_driver); + idr_destroy(&acm_minors); } module_init(acm_init); diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c index 0e6f968e93fe..01c0c0477a9e 100644 --- a/drivers/usb/common/ulpi.c +++ b/drivers/usb/common/ulpi.c @@ -242,7 +242,7 @@ static int __init ulpi_init(void) { return bus_register(&ulpi_bus); } -module_init(ulpi_init); +subsys_initcall(ulpi_init); static void __exit ulpi_exit(void) { diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index be5b2074f906..cbcd0920fb51 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1022,9 +1022,12 @@ static int register_root_hub(struct usb_hcd *hcd) dev_name(&usb_dev->dev), retval); return (retval < 0) ? retval : -EMSGSIZE; } - if (usb_dev->speed == USB_SPEED_SUPER) { + + if (le16_to_cpu(usb_dev->descriptor.bcdUSB) >= 0x0201) { retval = usb_get_bos_descriptor(usb_dev); - if (retval < 0) { + if (!retval) { + usb_dev->lpm_capable = usb_device_supports_lpm(usb_dev); + } else if (usb_dev->speed == USB_SPEED_SUPER) { mutex_unlock(&usb_bus_list_lock); dev_dbg(parent_dev, "can't read %s bos descriptor %d\n", dev_name(&usb_dev->dev), retval); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 43cb2f2e3b43..73dfa194160b 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -122,7 +122,7 @@ struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev) return usb_get_intfdata(hdev->actconfig->interface[0]); } -static int usb_device_supports_lpm(struct usb_device *udev) +int usb_device_supports_lpm(struct usb_device *udev) { /* USB 2.1 (and greater) devices indicate LPM support through * their USB 2.0 Extended Capabilities BOS descriptor. diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 7eb1e26798e5..457255a3306a 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -65,6 +65,7 @@ extern int usb_hub_init(void); extern void usb_hub_cleanup(void); extern int usb_major_init(void); extern void usb_major_cleanup(void); +extern int usb_device_supports_lpm(struct usb_device *udev); #ifdef CONFIG_PM diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c index e5b546f1152e..c3cc1a78d1e2 100644 --- a/drivers/usb/dwc2/core.c +++ b/drivers/usb/dwc2/core.c @@ -72,17 +72,7 @@ static int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Backup Host regs */ - hr = hsotg->hr_backup; - if (!hr) { - hr = devm_kzalloc(hsotg->dev, sizeof(*hr), GFP_KERNEL); - if (!hr) { - dev_err(hsotg->dev, "%s: can't allocate host regs\n", - __func__); - return -ENOMEM; - } - - hsotg->hr_backup = hr; - } + hr = &hsotg->hr_backup; hr->hcfg = readl(hsotg->regs + HCFG); hr->haintmsk = readl(hsotg->regs + HAINTMSK); for (i = 0; i < hsotg->core_params->host_channels; ++i) @@ -90,6 +80,7 @@ static int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg) hr->hprt0 = readl(hsotg->regs + HPRT0); hr->hfir = readl(hsotg->regs + HFIR); + hr->valid = true; return 0; } @@ -109,12 +100,13 @@ static int dwc2_restore_host_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Restore host regs */ - hr = hsotg->hr_backup; - if (!hr) { + hr = &hsotg->hr_backup; + if (!hr->valid) { dev_err(hsotg->dev, "%s: no host registers to restore\n", __func__); return -EINVAL; } + hr->valid = false; writel(hr->hcfg, hsotg->regs + HCFG); writel(hr->haintmsk, hsotg->regs + HAINTMSK); @@ -152,17 +144,7 @@ static int dwc2_backup_device_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Backup dev regs */ - dr = hsotg->dr_backup; - if (!dr) { - dr = devm_kzalloc(hsotg->dev, sizeof(*dr), GFP_KERNEL); - if (!dr) { - dev_err(hsotg->dev, "%s: can't allocate device regs\n", - __func__); - return -ENOMEM; - } - - hsotg->dr_backup = dr; - } + dr = &hsotg->dr_backup; dr->dcfg = readl(hsotg->regs + DCFG); dr->dctl = readl(hsotg->regs + DCTL); @@ -195,7 +177,7 @@ static int dwc2_backup_device_registers(struct dwc2_hsotg *hsotg) dr->doeptsiz[i] = readl(hsotg->regs + DOEPTSIZ(i)); dr->doepdma[i] = readl(hsotg->regs + DOEPDMA(i)); } - + dr->valid = true; return 0; } @@ -215,12 +197,13 @@ static int dwc2_restore_device_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Restore dev regs */ - dr = hsotg->dr_backup; - if (!dr) { + dr = &hsotg->dr_backup; + if (!dr->valid) { dev_err(hsotg->dev, "%s: no device registers to restore\n", __func__); return -EINVAL; } + dr->valid = false; writel(dr->dcfg, hsotg->regs + DCFG); writel(dr->dctl, hsotg->regs + DCTL); @@ -268,17 +251,7 @@ static int dwc2_backup_global_registers(struct dwc2_hsotg *hsotg) int i; /* Backup global regs */ - gr = hsotg->gr_backup; - if (!gr) { - gr = devm_kzalloc(hsotg->dev, sizeof(*gr), GFP_KERNEL); - if (!gr) { - dev_err(hsotg->dev, "%s: can't allocate global regs\n", - __func__); - return -ENOMEM; - } - - hsotg->gr_backup = gr; - } + gr = &hsotg->gr_backup; gr->gotgctl = readl(hsotg->regs + GOTGCTL); gr->gintmsk = readl(hsotg->regs + GINTMSK); @@ -291,6 +264,7 @@ static int dwc2_backup_global_registers(struct dwc2_hsotg *hsotg) for (i = 0; i < MAX_EPS_CHANNELS; i++) gr->dtxfsiz[i] = readl(hsotg->regs + DPTXFSIZN(i)); + gr->valid = true; return 0; } @@ -309,12 +283,13 @@ static int dwc2_restore_global_registers(struct dwc2_hsotg *hsotg) dev_dbg(hsotg->dev, "%s\n", __func__); /* Restore global regs */ - gr = hsotg->gr_backup; - if (!gr) { + gr = &hsotg->gr_backup; + if (!gr->valid) { dev_err(hsotg->dev, "%s: no global registers to restore\n", __func__); return -EINVAL; } + gr->valid = false; writel(0xffffffff, hsotg->regs + GINTSTS); writel(gr->gotgctl, hsotg->regs + GOTGCTL); diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index 53b8de03f102..0ed87620941b 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -492,6 +492,7 @@ struct dwc2_gregs_backup { u32 gdfifocfg; u32 dtxfsiz[MAX_EPS_CHANNELS]; u32 gpwrdn; + bool valid; }; /** @@ -521,6 +522,7 @@ struct dwc2_dregs_backup { u32 doepctl[MAX_EPS_CHANNELS]; u32 doeptsiz[MAX_EPS_CHANNELS]; u32 doepdma[MAX_EPS_CHANNELS]; + bool valid; }; /** @@ -538,6 +540,7 @@ struct dwc2_hregs_backup { u32 hcintmsk[MAX_EPS_CHANNELS]; u32 hprt0; u32 hfir; + bool valid; }; /** @@ -705,9 +708,9 @@ struct dwc2_hsotg { struct work_struct wf_otg; struct timer_list wkp_timer; enum dwc2_lx_state lx_state; - struct dwc2_gregs_backup *gr_backup; - struct dwc2_dregs_backup *dr_backup; - struct dwc2_hregs_backup *hr_backup; + struct dwc2_gregs_backup gr_backup; + struct dwc2_dregs_backup dr_backup; + struct dwc2_hregs_backup hr_backup; struct dentry *debug_root; struct debugfs_regset32 *regset; diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index b10377c65064..f845c41fe9e5 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -359,10 +359,9 @@ void dwc2_hcd_stop(struct dwc2_hsotg *hsotg) /* Caller must hold driver lock */ static int dwc2_hcd_urb_enqueue(struct dwc2_hsotg *hsotg, - struct dwc2_hcd_urb *urb, void **ep_handle, - gfp_t mem_flags) + struct dwc2_hcd_urb *urb, struct dwc2_qh *qh, + struct dwc2_qtd *qtd) { - struct dwc2_qtd *qtd; u32 intr_mask; int retval; int dev_speed; @@ -386,18 +385,15 @@ static int dwc2_hcd_urb_enqueue(struct dwc2_hsotg *hsotg, return -ENODEV; } - qtd = kzalloc(sizeof(*qtd), mem_flags); if (!qtd) - return -ENOMEM; + return -EINVAL; dwc2_hcd_qtd_init(qtd, urb); - retval = dwc2_hcd_qtd_add(hsotg, qtd, (struct dwc2_qh **)ep_handle, - mem_flags); + retval = dwc2_hcd_qtd_add(hsotg, qtd, qh); if (retval) { dev_err(hsotg->dev, "DWC OTG HCD URB Enqueue failed adding QTD. Error status %d\n", retval); - kfree(qtd); return retval; } @@ -2445,6 +2441,9 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, u32 tflags = 0; void *buf; unsigned long flags; + struct dwc2_qh *qh; + bool qh_allocated = false; + struct dwc2_qtd *qtd; if (dbg_urb(urb)) { dev_vdbg(hsotg->dev, "DWC OTG HCD URB Enqueue\n"); @@ -2523,15 +2522,32 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, urb->iso_frame_desc[i].length); urb->hcpriv = dwc2_urb; + qh = (struct dwc2_qh *) ep->hcpriv; + /* Create QH for the endpoint if it doesn't exist */ + if (!qh) { + qh = dwc2_hcd_qh_create(hsotg, dwc2_urb, mem_flags); + if (!qh) { + retval = -ENOMEM; + goto fail0; + } + ep->hcpriv = qh; + qh_allocated = true; + } + + qtd = kzalloc(sizeof(*qtd), mem_flags); + if (!qtd) { + retval = -ENOMEM; + goto fail1; + } spin_lock_irqsave(&hsotg->lock, flags); retval = usb_hcd_link_urb_to_ep(hcd, urb); if (retval) - goto fail1; + goto fail2; - retval = dwc2_hcd_urb_enqueue(hsotg, dwc2_urb, &ep->hcpriv, mem_flags); + retval = dwc2_hcd_urb_enqueue(hsotg, dwc2_urb, qh, qtd); if (retval) - goto fail2; + goto fail3; if (alloc_bandwidth) { dwc2_allocate_bus_bandwidth(hcd, @@ -2543,12 +2559,25 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, return 0; -fail2: +fail3: dwc2_urb->priv = NULL; usb_hcd_unlink_urb_from_ep(hcd, urb); -fail1: +fail2: spin_unlock_irqrestore(&hsotg->lock, flags); urb->hcpriv = NULL; + kfree(qtd); +fail1: + if (qh_allocated) { + struct dwc2_qtd *qtd2, *qtd2_tmp; + + ep->hcpriv = NULL; + dwc2_hcd_qh_unlink(hsotg, qh); + /* Free each QTD in the QH's QTD list */ + list_for_each_entry_safe(qtd2, qtd2_tmp, &qh->qtd_list, + qtd_list_entry) + dwc2_hcd_qtd_unlink_and_free(hsotg, qtd2, qh); + dwc2_hcd_qh_free(hsotg, qh); + } fail0: kfree(dwc2_urb); diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h index 7b5841c40033..fc1054965552 100644 --- a/drivers/usb/dwc2/hcd.h +++ b/drivers/usb/dwc2/hcd.h @@ -463,6 +463,9 @@ extern void dwc2_hcd_queue_transactions(struct dwc2_hsotg *hsotg, /* Schedule Queue Functions */ /* Implemented in hcd_queue.c */ extern void dwc2_hcd_init_usecs(struct dwc2_hsotg *hsotg); +extern struct dwc2_qh *dwc2_hcd_qh_create(struct dwc2_hsotg *hsotg, + struct dwc2_hcd_urb *urb, + gfp_t mem_flags); extern void dwc2_hcd_qh_free(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh); extern int dwc2_hcd_qh_add(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh); extern void dwc2_hcd_qh_unlink(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh); @@ -471,7 +474,7 @@ extern void dwc2_hcd_qh_deactivate(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, extern void dwc2_hcd_qtd_init(struct dwc2_qtd *qtd, struct dwc2_hcd_urb *urb); extern int dwc2_hcd_qtd_add(struct dwc2_hsotg *hsotg, struct dwc2_qtd *qtd, - struct dwc2_qh **qh, gfp_t mem_flags); + struct dwc2_qh *qh); /* Unlinks and frees a QTD */ static inline void dwc2_hcd_qtd_unlink_and_free(struct dwc2_hsotg *hsotg, diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c index 9b5c36256627..3ad63d392e13 100644 --- a/drivers/usb/dwc2/hcd_queue.c +++ b/drivers/usb/dwc2/hcd_queue.c @@ -191,7 +191,7 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh, * * Return: Pointer to the newly allocated QH, or NULL on error */ -static struct dwc2_qh *dwc2_hcd_qh_create(struct dwc2_hsotg *hsotg, +struct dwc2_qh *dwc2_hcd_qh_create(struct dwc2_hsotg *hsotg, struct dwc2_hcd_urb *urb, gfp_t mem_flags) { @@ -767,57 +767,32 @@ void dwc2_hcd_qtd_init(struct dwc2_qtd *qtd, struct dwc2_hcd_urb *urb) * * @hsotg: The DWC HCD structure * @qtd: The QTD to add - * @qh: Out parameter to return queue head - * @atomic_alloc: Flag to do atomic alloc if needed + * @qh: Queue head to add qtd to * * Return: 0 if successful, negative error code otherwise * - * Finds the correct QH to place the QTD into. If it does not find a QH, it - * will create a new QH. If the QH to which the QTD is added is not currently - * scheduled, it is placed into the proper schedule based on its EP type. + * If the QH to which the QTD is added is not currently scheduled, it is placed + * into the proper schedule based on its EP type. */ int dwc2_hcd_qtd_add(struct dwc2_hsotg *hsotg, struct dwc2_qtd *qtd, - struct dwc2_qh **qh, gfp_t mem_flags) + struct dwc2_qh *qh) { - struct dwc2_hcd_urb *urb = qtd->urb; - int allocated = 0; int retval; - /* - * Get the QH which holds the QTD-list to insert to. Create QH if it - * doesn't exist. - */ - if (*qh == NULL) { - *qh = dwc2_hcd_qh_create(hsotg, urb, mem_flags); - if (*qh == NULL) - return -ENOMEM; - allocated = 1; + if (unlikely(!qh)) { + dev_err(hsotg->dev, "%s: Invalid QH\n", __func__); + retval = -EINVAL; + goto fail; } - retval = dwc2_hcd_qh_add(hsotg, *qh); + retval = dwc2_hcd_qh_add(hsotg, qh); if (retval) goto fail; - qtd->qh = *qh; - list_add_tail(&qtd->qtd_list_entry, &(*qh)->qtd_list); + qtd->qh = qh; + list_add_tail(&qtd->qtd_list_entry, &qh->qtd_list); return 0; - fail: - if (allocated) { - struct dwc2_qtd *qtd2, *qtd2_tmp; - struct dwc2_qh *qh_tmp = *qh; - - *qh = NULL; - dwc2_hcd_qh_unlink(hsotg, qh_tmp); - - /* Free each QTD in the QH's QTD list */ - list_for_each_entry_safe(qtd2, qtd2_tmp, &qh_tmp->qtd_list, - qtd_list_entry) - dwc2_hcd_qtd_unlink_and_free(hsotg, qtd2, qh_tmp); - - dwc2_hcd_qh_free(hsotg, qh_tmp); - } - return retval; } diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 5c110d8e293b..ff5773c66b84 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -446,10 +446,12 @@ static int dwc3_phy_setup(struct dwc3 *dwc) /* Select the HS PHY interface */ switch (DWC3_GHWPARAMS3_HSPHY_IFC(dwc->hwparams.hwparams3)) { case DWC3_GHWPARAMS3_HSPHY_IFC_UTMI_ULPI: - if (!strncmp(dwc->hsphy_interface, "utmi", 4)) { + if (dwc->hsphy_interface && + !strncmp(dwc->hsphy_interface, "utmi", 4)) { reg &= ~DWC3_GUSB2PHYCFG_ULPI_UTMI; break; - } else if (!strncmp(dwc->hsphy_interface, "ulpi", 4)) { + } else if (dwc->hsphy_interface && + !strncmp(dwc->hsphy_interface, "ulpi", 4)) { reg |= DWC3_GUSB2PHYCFG_ULPI_UTMI; dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); } else { diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 2ef3c8d6a9db..69e769c35cf5 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -727,6 +727,10 @@ static int dwc3_ep0_std_request(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_ISOCH_DELAY"); ret = dwc3_ep0_set_isoch_delay(dwc, ctrl); break; + case USB_REQ_SET_INTERFACE: + dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_INTERFACE"); + dwc->start_config_issued = false; + /* Fall through */ default: dwc3_trace(trace_dwc3_ep0, "Forwarding to gadget driver"); ret = dwc3_ep0_delegate_req(dwc, ctrl); diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 4e3447bbd097..58b4657fc721 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1758,10 +1758,13 @@ unknown: * take such requests too, if that's ever needed: to work * in config 0, etc. */ - list_for_each_entry(f, &cdev->config->functions, list) - if (f->req_match && f->req_match(f, ctrl)) - goto try_fun_setup; - f = NULL; + if (cdev->config) { + list_for_each_entry(f, &cdev->config->functions, list) + if (f->req_match && f->req_match(f, ctrl)) + goto try_fun_setup; + f = NULL; + } + switch (ctrl->bRequestType & USB_RECIP_MASK) { case USB_RECIP_INTERFACE: if (!cdev->config || intf >= MAX_CONFIG_INTERFACES) diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 0495c94a23d7..289e20119fea 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -571,7 +571,7 @@ static struct config_group *function_make( if (IS_ERR(fi)) return ERR_CAST(fi); - ret = config_item_set_name(&fi->group.cg_item, name); + ret = config_item_set_name(&fi->group.cg_item, "%s", name); if (ret) { usb_put_function_instance(fi); return ERR_PTR(ret); diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 45b8c8b338df..6e7be91e6097 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -924,7 +924,8 @@ static ssize_t ffs_epfile_write_iter(struct kiocb *kiocb, struct iov_iter *from) kiocb->private = p; - kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); + if (p->aio) + kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); res = ffs_epfile_io(kiocb->ki_filp, p); if (res == -EIOCBQUEUED) @@ -968,7 +969,8 @@ static ssize_t ffs_epfile_read_iter(struct kiocb *kiocb, struct iov_iter *to) kiocb->private = p; - kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); + if (p->aio) + kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); res = ffs_epfile_io(kiocb->ki_filp, p); if (res == -EIOCBQUEUED) diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index f7f35a36c09a..6df9715a4bcd 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -699,6 +699,10 @@ static inline int hidg_get_minor(void) int ret; ret = ida_simple_get(&hidg_ida, 0, 0, GFP_KERNEL); + if (ret >= HIDG_MINORS) { + ida_simple_remove(&hidg_ida, ret); + ret = -ENODEV; + } return ret; } diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index d2259c663996..f936268d26c6 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -2786,7 +2786,7 @@ int fsg_common_set_nluns(struct fsg_common *common, int nluns) return -EINVAL; } - curlun = kcalloc(nluns, sizeof(*curlun), GFP_KERNEL); + curlun = kcalloc(FSG_MAX_LUNS, sizeof(*curlun), GFP_KERNEL); if (unlikely(!curlun)) return -ENOMEM; @@ -2796,8 +2796,6 @@ int fsg_common_set_nluns(struct fsg_common *common, int nluns) common->luns = curlun; common->nluns = nluns; - pr_info("Number of LUNs=%d\n", common->nluns); - return 0; } EXPORT_SYMBOL_GPL(fsg_common_set_nluns); @@ -3563,14 +3561,26 @@ static struct usb_function *fsg_alloc(struct usb_function_instance *fi) struct fsg_opts *opts = fsg_opts_from_func_inst(fi); struct fsg_common *common = opts->common; struct fsg_dev *fsg; + unsigned nluns, i; fsg = kzalloc(sizeof(*fsg), GFP_KERNEL); if (unlikely(!fsg)) return ERR_PTR(-ENOMEM); mutex_lock(&opts->lock); + if (!opts->refcnt) { + for (nluns = i = 0; i < FSG_MAX_LUNS; ++i) + if (common->luns[i]) + nluns = i + 1; + if (!nluns) + pr_warn("No LUNS defined, continuing anyway\n"); + else + common->nluns = nluns; + pr_info("Number of LUNs=%u\n", common->nluns); + } opts->refcnt++; mutex_unlock(&opts->lock); + fsg->function.name = FSG_DRIVER_DESC; fsg->function.bind = fsg_bind; fsg->function.unbind = fsg_unbind; diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index 6316aa5b1c49..ad50a67c1465 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -1145,7 +1145,7 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi) if (opts->id && !midi->id) { status = -ENOMEM; mutex_unlock(&opts->lock); - goto kstrdup_fail; + goto setup_fail; } midi->in_ports = opts->in_ports; midi->out_ports = opts->out_ports; @@ -1164,8 +1164,6 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi) return &midi->func; -kstrdup_fail: - f_midi_unregister_card(midi); setup_fail: for (--i; i >= 0; i--) kfree(midi->in_port[i]); diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index 44173df27273..357f63f47b42 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -1248,7 +1248,15 @@ static struct config_item_type printer_func_type = { static inline int gprinter_get_minor(void) { - return ida_simple_get(&printer_ida, 0, 0, GFP_KERNEL); + int ret; + + ret = ida_simple_get(&printer_ida, 0, 0, GFP_KERNEL); + if (ret >= PRINTER_MINORS) { + ida_simple_remove(&printer_ida, ret); + ret = -ENODEV; + } + + return ret; } static inline void gprinter_put_minor(int minor) diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index 6d3eb8b00a48..531861547253 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -1162,14 +1162,14 @@ afunc_set_alt(struct usb_function *fn, unsigned intf, unsigned alt) factor = 1000; } else { ep_desc = &hs_epin_desc; - factor = 125; + factor = 8000; } /* pre-compute some values for iso_complete() */ uac2->p_framesize = opts->p_ssize * num_channels(opts->p_chmask); rate = opts->p_srate * uac2->p_framesize; - uac2->p_interval = (1 << (ep_desc->bInterval - 1)) * factor; + uac2->p_interval = factor / (1 << (ep_desc->bInterval - 1)); uac2->p_pktsize = min_t(unsigned int, rate / uac2->p_interval, prm->max_psize); diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c index b04980cf6dc4..1efa61265d8d 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_ep.c +++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c @@ -779,7 +779,7 @@ static int ep_dequeue(struct bdc_ep *ep, struct bdc_req *req) /* The current hw dequeue pointer */ tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS0(0)); deq_ptr_64 = tmp_32; - tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS0(1)); + tmp_32 = bdc_readl(bdc->regs, BDC_EPSTS1(0)); deq_ptr_64 |= ((u64)tmp_32 << 32); /* we have the dma addr of next bd that will be fetched by hardware */ diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c index e547ea7f56b1..1137e3384218 100644 --- a/drivers/usb/gadget/udc/fotg210-udc.c +++ b/drivers/usb/gadget/udc/fotg210-udc.c @@ -1171,7 +1171,7 @@ static int fotg210_udc_probe(struct platform_device *pdev) udc_name, fotg210); if (ret < 0) { pr_err("request_irq error (%d)\n", ret); - goto err_irq; + goto err_req; } ret = usb_add_gadget_udc(&pdev->dev, &fotg210->gadget); @@ -1183,7 +1183,6 @@ static int fotg210_udc_probe(struct platform_device *pdev) return 0; err_add_udc: -err_irq: free_irq(ires->start, fotg210); err_req: diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c index d32160d6463f..5da37c957b53 100644 --- a/drivers/usb/gadget/udc/mv_udc_core.c +++ b/drivers/usb/gadget/udc/mv_udc_core.c @@ -2167,7 +2167,7 @@ static int mv_udc_probe(struct platform_device *pdev) return -ENODEV; } - udc->phy_regs = ioremap(r->start, resource_size(r)); + udc->phy_regs = devm_ioremap(&pdev->dev, r->start, resource_size(r)); if (udc->phy_regs == NULL) { dev_err(&pdev->dev, "failed to map phy I/O memory\n"); return -EBUSY; diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index d69c35558f68..89ed5e71a199 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -60,13 +60,15 @@ static DEFINE_MUTEX(udc_lock); int usb_gadget_map_request(struct usb_gadget *gadget, struct usb_request *req, int is_in) { + struct device *dev = gadget->dev.parent; + if (req->length == 0) return 0; if (req->num_sgs) { int mapped; - mapped = dma_map_sg(&gadget->dev, req->sg, req->num_sgs, + mapped = dma_map_sg(dev, req->sg, req->num_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); if (mapped == 0) { dev_err(&gadget->dev, "failed to map SGs\n"); @@ -75,11 +77,11 @@ int usb_gadget_map_request(struct usb_gadget *gadget, req->num_mapped_sgs = mapped; } else { - req->dma = dma_map_single(&gadget->dev, req->buf, req->length, + req->dma = dma_map_single(dev, req->buf, req->length, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - if (dma_mapping_error(&gadget->dev, req->dma)) { - dev_err(&gadget->dev, "failed to map buffer\n"); + if (dma_mapping_error(dev, req->dma)) { + dev_err(dev, "failed to map buffer\n"); return -EFAULT; } } @@ -95,12 +97,12 @@ void usb_gadget_unmap_request(struct usb_gadget *gadget, return; if (req->num_mapped_sgs) { - dma_unmap_sg(&gadget->dev, req->sg, req->num_mapped_sgs, + dma_unmap_sg(gadget->dev.parent, req->sg, req->num_mapped_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); req->num_mapped_sgs = 0; } else { - dma_unmap_single(&gadget->dev, req->dma, req->length, + dma_unmap_single(gadget->dev.parent, req->dma, req->length, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); } } @@ -321,6 +323,7 @@ err4: err3: put_device(&udc->dev); + device_del(&gadget->dev); err2: put_device(&gadget->dev); diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index f7d561ed3c23..d029bbe9eb36 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -981,10 +981,6 @@ rescan_all: int completed, modified; __hc32 *prev; - /* Is this ED already invisible to the hardware? */ - if (ed->state == ED_IDLE) - goto ed_idle; - /* only take off EDs that the HC isn't using, accounting for * frame counter wraps and EDs with partially retired TDs */ @@ -1012,12 +1008,10 @@ skip_ed: } /* ED's now officially unlinked, hc doesn't see */ - ed->state = ED_IDLE; ed->hwHeadP &= ~cpu_to_hc32(ohci, ED_H); ed->hwNextED = 0; wmb(); ed->hwINFO &= ~cpu_to_hc32(ohci, ED_SKIP | ED_DEQUEUE); -ed_idle: /* reentrancy: if we drop the schedule lock, someone might * have modified this list. normally it's just prepending @@ -1088,6 +1082,7 @@ rescan_this: if (list_empty(&ed->td_list)) { *last = ed->ed_next; ed->ed_next = NULL; + ed->state = ED_IDLE; list_del(&ed->in_use_list); } else if (ohci->rh_state == OHCI_RH_RUNNING) { *last = ed->ed_next; diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index e9a6eec39142..cfcfadfc94fc 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -58,7 +58,7 @@ #define CCR_PM_CKRNEN 0x0002 #define CCR_PM_USBPW1 0x0004 #define CCR_PM_USBPW2 0x0008 -#define CCR_PM_USBPW3 0x0008 +#define CCR_PM_USBPW3 0x0010 #define CCR_PM_PMEE 0x0100 #define CCR_PM_PMES 0x8000 diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index e75c565feb53..78241b5550df 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -484,10 +484,13 @@ static void xhci_hub_report_usb3_link_state(struct xhci_hcd *xhci, u32 pls = status_reg & PORT_PLS_MASK; /* resume state is a xHCI internal state. - * Do not report it to usb core. + * Do not report it to usb core, instead, pretend to be U3, + * thus usb core knows it's not ready for transfer */ - if (pls == XDEV_RESUME) + if (pls == XDEV_RESUME) { + *status |= USB_SS_PORT_LS_U3; return; + } /* When the CAS bit is set then warm reset * should be performed on port @@ -588,7 +591,14 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, status |= USB_PORT_STAT_C_RESET << 16; /* USB3.0 only */ if (hcd->speed == HCD_USB3) { - if ((raw_port_status & PORT_PLC)) + /* Port link change with port in resume state should not be + * reported to usbcore, as this is an internal state to be + * handled by xhci driver. Reporting PLC to usbcore may + * cause usbcore clearing PLC first and port change event + * irq won't be generated. + */ + if ((raw_port_status & PORT_PLC) && + (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME) status |= USB_PORT_STAT_C_LINK_STATE << 16; if ((raw_port_status & PORT_WRC)) status |= USB_PORT_STAT_C_BH_RESET << 16; @@ -1120,10 +1130,10 @@ int xhci_bus_suspend(struct usb_hcd *hcd) spin_lock_irqsave(&xhci->lock, flags); if (hcd->self.root_hub->do_remote_wakeup) { - if (bus_state->resuming_ports) { + if (bus_state->resuming_ports || /* USB2 */ + bus_state->port_remote_wakeup) { /* USB3 */ spin_unlock_irqrestore(&xhci->lock, flags); - xhci_dbg(xhci, "suspend failed because " - "a port is resuming\n"); + xhci_dbg(xhci, "suspend failed because a port is resuming\n"); return -EBUSY; } } diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index f8336408ef07..9a8c936cd42c 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1427,10 +1427,10 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, /* Attempt to use the ring cache */ if (virt_dev->num_rings_cached == 0) return -ENOMEM; + virt_dev->num_rings_cached--; virt_dev->eps[ep_index].new_ring = virt_dev->ring_cache[virt_dev->num_rings_cached]; virt_dev->ring_cache[virt_dev->num_rings_cached] = NULL; - virt_dev->num_rings_cached--; xhci_reinit_cached_ring(xhci, virt_dev->eps[ep_index].new_ring, 1, type); } @@ -1792,7 +1792,8 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) int size; int i, j, num_ports; - del_timer_sync(&xhci->cmd_timer); + if (timer_pending(&xhci->cmd_timer)) + del_timer_sync(&xhci->cmd_timer); /* Free the Event Ring Segment Table and the actual Event Ring */ size = sizeof(struct xhci_erst_entry)*(xhci->erst.num_entries); diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 4a4cb1d91ac8..5590eac2b22d 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -23,10 +23,15 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/acpi.h> #include "xhci.h" #include "xhci-trace.h" +#define PORT2_SSIC_CONFIG_REG2 0x883c +#define PROG_DONE (1 << 30) +#define SSIC_PORT_UNUSED (1 << 31) + /* Device for a quirk */ #define PCI_VENDOR_ID_FRESCO_LOGIC 0x1b73 #define PCI_DEVICE_ID_FRESCO_LOGIC_PDK 0x1000 @@ -176,20 +181,63 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) } /* + * In some Intel xHCI controllers, in order to get D3 working, + * through a vendor specific SSIC CONFIG register at offset 0x883c, + * SSIC PORT need to be marked as "unused" before putting xHCI + * into D3. After D3 exit, the SSIC port need to be marked as "used". + * Without this change, xHCI might not enter D3 state. * Make sure PME works on some Intel xHCI controllers by writing 1 to clear * the Internal PME flag bit in vendor specific PMCTRL register at offset 0x80a4 */ -static void xhci_pme_quirk(struct xhci_hcd *xhci) +static void xhci_pme_quirk(struct usb_hcd *hcd, bool suspend) { + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + struct pci_dev *pdev = to_pci_dev(hcd->self.controller); u32 val; void __iomem *reg; + if (pdev->vendor == PCI_VENDOR_ID_INTEL && + pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) { + + reg = (void __iomem *) xhci->cap_regs + PORT2_SSIC_CONFIG_REG2; + + /* Notify SSIC that SSIC profile programming is not done */ + val = readl(reg) & ~PROG_DONE; + writel(val, reg); + + /* Mark SSIC port as unused(suspend) or used(resume) */ + val = readl(reg); + if (suspend) + val |= SSIC_PORT_UNUSED; + else + val &= ~SSIC_PORT_UNUSED; + writel(val, reg); + + /* Notify SSIC that SSIC profile programming is done */ + val = readl(reg) | PROG_DONE; + writel(val, reg); + readl(reg); + } + reg = (void __iomem *) xhci->cap_regs + 0x80a4; val = readl(reg); writel(val | BIT(28), reg); readl(reg); } +#ifdef CONFIG_ACPI +static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) +{ + static const u8 intel_dsm_uuid[] = { + 0xb7, 0x0c, 0x34, 0xac, 0x01, 0xe9, 0xbf, 0x45, + 0xb7, 0xe6, 0x2b, 0x34, 0xec, 0x93, 0x1e, 0x23, + }; + acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), intel_dsm_uuid, 3, 1, NULL); +} +#else + static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { } +#endif /* CONFIG_ACPI */ + /* called during probe() after chip reset completes */ static int xhci_pci_setup(struct usb_hcd *hcd) { @@ -263,6 +311,9 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) HCC_MAX_PSA(xhci->hcc_params) >= 4) xhci->shared_hcd->can_do_streams = 1; + if (xhci->quirks & XHCI_PME_STUCK_QUIRK) + xhci_pme_acpi_rtd3_enable(dev); + /* USB-2 and USB-3 roothubs initialized, allow runtime pm suspend */ pm_runtime_put_noidle(&dev->dev); @@ -307,7 +358,7 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) pdev->no_d3cold = true; if (xhci->quirks & XHCI_PME_STUCK_QUIRK) - xhci_pme_quirk(xhci); + xhci_pme_quirk(hcd, true); return xhci_suspend(xhci, do_wakeup); } @@ -340,7 +391,7 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated) usb_enable_intel_xhci_ports(pdev); if (xhci->quirks & XHCI_PME_STUCK_QUIRK) - xhci_pme_quirk(xhci); + xhci_pme_quirk(hcd, false); retval = xhci_resume(xhci, hibernated); return retval; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 94416ff70810..32f4d564494a 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -82,7 +82,7 @@ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg, return 0; /* offset in TRBs */ segment_offset = trb - seg->trbs; - if (segment_offset > TRBS_PER_SEGMENT) + if (segment_offset >= TRBS_PER_SEGMENT) return 0; return seg->dma + (segment_offset * sizeof(*trb)); } @@ -1546,6 +1546,9 @@ static void handle_port_status(struct xhci_hcd *xhci, usb_hcd_resume_root_hub(hcd); } + if (hcd->speed == HCD_USB3 && (temp & PORT_PLS_MASK) == XDEV_INACTIVE) + bus_state->port_remote_wakeup &= ~(1 << faked_port_index); + if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_RESUME) { xhci_dbg(xhci, "port resume event for port %d\n", port_id); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 7da0d6043d33..526ebc0c7e72 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3453,6 +3453,9 @@ int xhci_discover_or_reset_device(struct usb_hcd *hcd, struct usb_device *udev) return -EINVAL; } + if (virt_dev->tt_info) + old_active_eps = virt_dev->tt_info->active_eps; + if (virt_dev->udev != udev) { /* If the virt_dev and the udev does not match, this virt_dev * may belong to another udev. diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 31e46cc55807..ed2ebf647c38 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -285,6 +285,7 @@ struct xhci_op_regs { #define XDEV_U0 (0x0 << 5) #define XDEV_U2 (0x2 << 5) #define XDEV_U3 (0x3 << 5) +#define XDEV_INACTIVE (0x6 << 5) #define XDEV_RESUME (0xf << 5) /* true: port has power (see HCC_PPC) */ #define PORT_POWER (1 << 9) diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index 30842bc195f5..92d5f718659b 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -275,9 +275,7 @@ static int musb_has_gadget(struct musb *musb) #ifdef CONFIG_USB_MUSB_HOST return 1; #else - if (musb->port_mode == MUSB_PORT_MODE_HOST) - return 1; - return musb->g.dev.driver != NULL; + return musb->port_mode == MUSB_PORT_MODE_HOST; #endif } diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index 8f7cb068d29b..3fcc0483a081 100644 --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -217,6 +217,9 @@ static bool mxs_phy_get_vbus_status(struct mxs_phy *mxs_phy) { unsigned int vbus_value; + if (!mxs_phy->regmap_anatop) + return false; + if (mxs_phy->port_id == 0) regmap_read(mxs_phy->regmap_anatop, ANADIG_USB1_VBUS_DET_STAT, diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index ffd739e31bfc..eac7ccaa3c85 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -187,6 +187,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1FB9, 0x0602) }, /* Lake Shore Model 648 Magnet Power Supply */ { USB_DEVICE(0x1FB9, 0x0700) }, /* Lake Shore Model 737 VSM Controller */ { USB_DEVICE(0x1FB9, 0x0701) }, /* Lake Shore Model 776 Hall Matrix */ + { USB_DEVICE(0x2626, 0xEA60) }, /* Aruba Networks 7xxx USB Serial Console */ { USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */ { USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */ { USB_DEVICE(0x3195, 0xF281) }, /* Link Instruments MSO-28 */ diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 4f70df33975a..78b4f64c6b00 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -121,26 +121,26 @@ static DEFINE_SPINLOCK(release_lock); static const unsigned int dummy; /* for clarity in register access fns */ enum mos_regs { - THR, /* serial port regs */ - RHR, - IER, - FCR, - ISR, - LCR, - MCR, - LSR, - MSR, - SPR, - DLL, - DLM, - DPR, /* parallel port regs */ - DSR, - DCR, - ECR, - SP1_REG, /* device control regs */ - SP2_REG, /* serial port 2 (7720 only) */ - PP_REG, - SP_CONTROL_REG, + MOS7720_THR, /* serial port regs */ + MOS7720_RHR, + MOS7720_IER, + MOS7720_FCR, + MOS7720_ISR, + MOS7720_LCR, + MOS7720_MCR, + MOS7720_LSR, + MOS7720_MSR, + MOS7720_SPR, + MOS7720_DLL, + MOS7720_DLM, + MOS7720_DPR, /* parallel port regs */ + MOS7720_DSR, + MOS7720_DCR, + MOS7720_ECR, + MOS7720_SP1_REG, /* device control regs */ + MOS7720_SP2_REG, /* serial port 2 (7720 only) */ + MOS7720_PP_REG, + MOS7720_SP_CONTROL_REG, }; /* @@ -150,26 +150,26 @@ enum mos_regs { static inline __u16 get_reg_index(enum mos_regs reg) { static const __u16 mos7715_index_lookup_table[] = { - 0x00, /* THR */ - 0x00, /* RHR */ - 0x01, /* IER */ - 0x02, /* FCR */ - 0x02, /* ISR */ - 0x03, /* LCR */ - 0x04, /* MCR */ - 0x05, /* LSR */ - 0x06, /* MSR */ - 0x07, /* SPR */ - 0x00, /* DLL */ - 0x01, /* DLM */ - 0x00, /* DPR */ - 0x01, /* DSR */ - 0x02, /* DCR */ - 0x0a, /* ECR */ - 0x01, /* SP1_REG */ - 0x02, /* SP2_REG (7720 only) */ - 0x04, /* PP_REG (7715 only) */ - 0x08, /* SP_CONTROL_REG */ + 0x00, /* MOS7720_THR */ + 0x00, /* MOS7720_RHR */ + 0x01, /* MOS7720_IER */ + 0x02, /* MOS7720_FCR */ + 0x02, /* MOS7720_ISR */ + 0x03, /* MOS7720_LCR */ + 0x04, /* MOS7720_MCR */ + 0x05, /* MOS7720_LSR */ + 0x06, /* MOS7720_MSR */ + 0x07, /* MOS7720_SPR */ + 0x00, /* MOS7720_DLL */ + 0x01, /* MOS7720_DLM */ + 0x00, /* MOS7720_DPR */ + 0x01, /* MOS7720_DSR */ + 0x02, /* MOS7720_DCR */ + 0x0a, /* MOS7720_ECR */ + 0x01, /* MOS7720_SP1_REG */ + 0x02, /* MOS7720_SP2_REG (7720 only) */ + 0x04, /* MOS7720_PP_REG (7715 only) */ + 0x08, /* MOS7720_SP_CONTROL_REG */ }; return mos7715_index_lookup_table[reg]; } @@ -181,10 +181,10 @@ static inline __u16 get_reg_index(enum mos_regs reg) static inline __u16 get_reg_value(enum mos_regs reg, unsigned int serial_portnum) { - if (reg >= SP1_REG) /* control reg */ + if (reg >= MOS7720_SP1_REG) /* control reg */ return 0x0000; - else if (reg >= DPR) /* parallel port reg (7715 only) */ + else if (reg >= MOS7720_DPR) /* parallel port reg (7715 only) */ return 0x0100; else /* serial port reg */ @@ -252,7 +252,8 @@ static inline int mos7715_change_mode(struct mos7715_parport *mos_parport, enum mos7715_pp_modes mode) { mos_parport->shadowECR = mode; - write_mos_reg(mos_parport->serial, dummy, ECR, mos_parport->shadowECR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_ECR, + mos_parport->shadowECR); return 0; } @@ -486,7 +487,7 @@ static void parport_mos7715_write_data(struct parport *pp, unsigned char d) if (parport_prologue(pp) < 0) return; mos7715_change_mode(mos_parport, SPP); - write_mos_reg(mos_parport->serial, dummy, DPR, (__u8)d); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DPR, (__u8)d); parport_epilogue(pp); } @@ -497,7 +498,7 @@ static unsigned char parport_mos7715_read_data(struct parport *pp) if (parport_prologue(pp) < 0) return 0; - read_mos_reg(mos_parport->serial, dummy, DPR, &d); + read_mos_reg(mos_parport->serial, dummy, MOS7720_DPR, &d); parport_epilogue(pp); return d; } @@ -510,7 +511,7 @@ static void parport_mos7715_write_control(struct parport *pp, unsigned char d) if (parport_prologue(pp) < 0) return; data = ((__u8)d & 0x0f) | (mos_parport->shadowDCR & 0xf0); - write_mos_reg(mos_parport->serial, dummy, DCR, data); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, data); mos_parport->shadowDCR = data; parport_epilogue(pp); } @@ -543,7 +544,8 @@ static unsigned char parport_mos7715_frob_control(struct parport *pp, if (parport_prologue(pp) < 0) return 0; mos_parport->shadowDCR = (mos_parport->shadowDCR & (~mask)) ^ val; - write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, + mos_parport->shadowDCR); dcr = mos_parport->shadowDCR & 0x0f; parport_epilogue(pp); return dcr; @@ -581,7 +583,8 @@ static void parport_mos7715_data_forward(struct parport *pp) return; mos7715_change_mode(mos_parport, PS2); mos_parport->shadowDCR &= ~0x20; - write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, + mos_parport->shadowDCR); parport_epilogue(pp); } @@ -593,7 +596,8 @@ static void parport_mos7715_data_reverse(struct parport *pp) return; mos7715_change_mode(mos_parport, PS2); mos_parport->shadowDCR |= 0x20; - write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, + mos_parport->shadowDCR); parport_epilogue(pp); } @@ -633,8 +637,10 @@ static void parport_mos7715_restore_state(struct parport *pp, spin_unlock(&release_lock); return; } - write_parport_reg_nonblock(mos_parport, DCR, mos_parport->shadowDCR); - write_parport_reg_nonblock(mos_parport, ECR, mos_parport->shadowECR); + write_parport_reg_nonblock(mos_parport, MOS7720_DCR, + mos_parport->shadowDCR); + write_parport_reg_nonblock(mos_parport, MOS7720_ECR, + mos_parport->shadowECR); spin_unlock(&release_lock); } @@ -714,14 +720,16 @@ static int mos7715_parport_init(struct usb_serial *serial) init_completion(&mos_parport->syncmsg_compl); /* cycle parallel port reset bit */ - write_mos_reg(mos_parport->serial, dummy, PP_REG, (__u8)0x80); - write_mos_reg(mos_parport->serial, dummy, PP_REG, (__u8)0x00); + write_mos_reg(mos_parport->serial, dummy, MOS7720_PP_REG, (__u8)0x80); + write_mos_reg(mos_parport->serial, dummy, MOS7720_PP_REG, (__u8)0x00); /* initialize device registers */ mos_parport->shadowDCR = DCR_INIT_VAL; - write_mos_reg(mos_parport->serial, dummy, DCR, mos_parport->shadowDCR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_DCR, + mos_parport->shadowDCR); mos_parport->shadowECR = ECR_INIT_VAL; - write_mos_reg(mos_parport->serial, dummy, ECR, mos_parport->shadowECR); + write_mos_reg(mos_parport->serial, dummy, MOS7720_ECR, + mos_parport->shadowECR); /* register with parport core */ mos_parport->pp = parport_register_port(0, PARPORT_IRQ_NONE, @@ -1033,45 +1041,49 @@ static int mos7720_open(struct tty_struct *tty, struct usb_serial_port *port) /* Initialize MCS7720 -- Write Init values to corresponding Registers * * Register Index - * 0 : THR/RHR - * 1 : IER - * 2 : FCR - * 3 : LCR - * 4 : MCR - * 5 : LSR - * 6 : MSR - * 7 : SPR + * 0 : MOS7720_THR/MOS7720_RHR + * 1 : MOS7720_IER + * 2 : MOS7720_FCR + * 3 : MOS7720_LCR + * 4 : MOS7720_MCR + * 5 : MOS7720_LSR + * 6 : MOS7720_MSR + * 7 : MOS7720_SPR * * 0x08 : SP1/2 Control Reg */ port_number = port->port_number; - read_mos_reg(serial, port_number, LSR, &data); + read_mos_reg(serial, port_number, MOS7720_LSR, &data); dev_dbg(&port->dev, "SS::%p LSR:%x\n", mos7720_port, data); - write_mos_reg(serial, dummy, SP1_REG, 0x02); - write_mos_reg(serial, dummy, SP2_REG, 0x02); + write_mos_reg(serial, dummy, MOS7720_SP1_REG, 0x02); + write_mos_reg(serial, dummy, MOS7720_SP2_REG, 0x02); - write_mos_reg(serial, port_number, IER, 0x00); - write_mos_reg(serial, port_number, FCR, 0x00); + write_mos_reg(serial, port_number, MOS7720_IER, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0x00); - write_mos_reg(serial, port_number, FCR, 0xcf); + write_mos_reg(serial, port_number, MOS7720_FCR, 0xcf); mos7720_port->shadowLCR = 0x03; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); mos7720_port->shadowMCR = 0x0b; - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); - write_mos_reg(serial, port_number, SP_CONTROL_REG, 0x00); - read_mos_reg(serial, dummy, SP_CONTROL_REG, &data); + write_mos_reg(serial, port_number, MOS7720_SP_CONTROL_REG, 0x00); + read_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, &data); data = data | (port->port_number + 1); - write_mos_reg(serial, dummy, SP_CONTROL_REG, data); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, data); mos7720_port->shadowLCR = 0x83; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); - write_mos_reg(serial, port_number, THR, 0x0c); - write_mos_reg(serial, port_number, IER, 0x00); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_THR, 0x0c); + write_mos_reg(serial, port_number, MOS7720_IER, 0x00); mos7720_port->shadowLCR = 0x03; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); - write_mos_reg(serial, port_number, IER, 0x0c); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_IER, 0x0c); response = usb_submit_urb(port->read_urb, GFP_KERNEL); if (response) @@ -1144,8 +1156,8 @@ static void mos7720_close(struct usb_serial_port *port) usb_kill_urb(port->write_urb); usb_kill_urb(port->read_urb); - write_mos_reg(serial, port->port_number, MCR, 0x00); - write_mos_reg(serial, port->port_number, IER, 0x00); + write_mos_reg(serial, port->port_number, MOS7720_MCR, 0x00); + write_mos_reg(serial, port->port_number, MOS7720_IER, 0x00); mos7720_port->open = 0; } @@ -1169,7 +1181,8 @@ static void mos7720_break(struct tty_struct *tty, int break_state) data = mos7720_port->shadowLCR & ~UART_LCR_SBC; mos7720_port->shadowLCR = data; - write_mos_reg(serial, port->port_number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, port->port_number, MOS7720_LCR, + mos7720_port->shadowLCR); } /* @@ -1297,7 +1310,7 @@ static void mos7720_throttle(struct tty_struct *tty) /* if we are implementing RTS/CTS, toggle that line */ if (tty->termios.c_cflag & CRTSCTS) { mos7720_port->shadowMCR &= ~UART_MCR_RTS; - write_mos_reg(port->serial, port->port_number, MCR, + write_mos_reg(port->serial, port->port_number, MOS7720_MCR, mos7720_port->shadowMCR); } } @@ -1327,7 +1340,7 @@ static void mos7720_unthrottle(struct tty_struct *tty) /* if we are implementing RTS/CTS, toggle that line */ if (tty->termios.c_cflag & CRTSCTS) { mos7720_port->shadowMCR |= UART_MCR_RTS; - write_mos_reg(port->serial, port->port_number, MCR, + write_mos_reg(port->serial, port->port_number, MOS7720_MCR, mos7720_port->shadowMCR); } } @@ -1352,35 +1365,39 @@ static int set_higher_rates(struct moschip_port *mos7720_port, dev_dbg(&port->dev, "Sending Setting Commands ..........\n"); port_number = port->port_number; - write_mos_reg(serial, port_number, IER, 0x00); - write_mos_reg(serial, port_number, FCR, 0x00); - write_mos_reg(serial, port_number, FCR, 0xcf); + write_mos_reg(serial, port_number, MOS7720_IER, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0xcf); mos7720_port->shadowMCR = 0x0b; - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); - write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x00); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, 0x00); /*********************************************** * Set for higher rates * ***********************************************/ /* writing baud rate verbatum into uart clock field clearly not right */ if (port_number == 0) - sp_reg = SP1_REG; + sp_reg = MOS7720_SP1_REG; else - sp_reg = SP2_REG; + sp_reg = MOS7720_SP2_REG; write_mos_reg(serial, dummy, sp_reg, baud * 0x10); - write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x03); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, 0x03); mos7720_port->shadowMCR = 0x2b; - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); /*********************************************** * Set DLL/DLM ***********************************************/ mos7720_port->shadowLCR = mos7720_port->shadowLCR | UART_LCR_DLAB; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); - write_mos_reg(serial, port_number, DLL, 0x01); - write_mos_reg(serial, port_number, DLM, 0x00); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_DLL, 0x01); + write_mos_reg(serial, port_number, MOS7720_DLM, 0x00); mos7720_port->shadowLCR = mos7720_port->shadowLCR & ~UART_LCR_DLAB; - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); return 0; } @@ -1488,15 +1505,16 @@ static int send_cmd_write_baud_rate(struct moschip_port *mos7720_port, /* Enable access to divisor latch */ mos7720_port->shadowLCR = mos7720_port->shadowLCR | UART_LCR_DLAB; - write_mos_reg(serial, number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, number, MOS7720_LCR, mos7720_port->shadowLCR); /* Write the divisor */ - write_mos_reg(serial, number, DLL, (__u8)(divisor & 0xff)); - write_mos_reg(serial, number, DLM, (__u8)((divisor & 0xff00) >> 8)); + write_mos_reg(serial, number, MOS7720_DLL, (__u8)(divisor & 0xff)); + write_mos_reg(serial, number, MOS7720_DLM, + (__u8)((divisor & 0xff00) >> 8)); /* Disable access to divisor latch */ mos7720_port->shadowLCR = mos7720_port->shadowLCR & ~UART_LCR_DLAB; - write_mos_reg(serial, number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, number, MOS7720_LCR, mos7720_port->shadowLCR); return status; } @@ -1600,14 +1618,16 @@ static void change_port_settings(struct tty_struct *tty, /* Disable Interrupts */ - write_mos_reg(serial, port_number, IER, 0x00); - write_mos_reg(serial, port_number, FCR, 0x00); - write_mos_reg(serial, port_number, FCR, 0xcf); + write_mos_reg(serial, port_number, MOS7720_IER, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0x00); + write_mos_reg(serial, port_number, MOS7720_FCR, 0xcf); /* Send the updated LCR value to the mos7720 */ - write_mos_reg(serial, port_number, LCR, mos7720_port->shadowLCR); + write_mos_reg(serial, port_number, MOS7720_LCR, + mos7720_port->shadowLCR); mos7720_port->shadowMCR = 0x0b; - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); /* set up the MCR register and send it to the mos7720 */ mos7720_port->shadowMCR = UART_MCR_OUT2; @@ -1619,14 +1639,17 @@ static void change_port_settings(struct tty_struct *tty, /* To set hardware flow control to the specified * * serial port, in SP1/2_CONTROL_REG */ if (port_number) - write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x01); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, + 0x01); else - write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x02); + write_mos_reg(serial, dummy, MOS7720_SP_CONTROL_REG, + 0x02); } else mos7720_port->shadowMCR &= ~(UART_MCR_XONANY); - write_mos_reg(serial, port_number, MCR, mos7720_port->shadowMCR); + write_mos_reg(serial, port_number, MOS7720_MCR, + mos7720_port->shadowMCR); /* Determine divisor based on baud rate */ baud = tty_get_baud_rate(tty); @@ -1639,7 +1662,7 @@ static void change_port_settings(struct tty_struct *tty, if (baud >= 230400) { set_higher_rates(mos7720_port, baud); /* Enable Interrupts */ - write_mos_reg(serial, port_number, IER, 0x0c); + write_mos_reg(serial, port_number, MOS7720_IER, 0x0c); return; } @@ -1650,7 +1673,7 @@ static void change_port_settings(struct tty_struct *tty, if (cflag & CBAUD) tty_encode_baud_rate(tty, baud, baud); /* Enable Interrupts */ - write_mos_reg(serial, port_number, IER, 0x0c); + write_mos_reg(serial, port_number, MOS7720_IER, 0x0c); if (port->read_urb->status != -EINPROGRESS) { status = usb_submit_urb(port->read_urb, GFP_KERNEL); @@ -1725,7 +1748,7 @@ static int get_lsr_info(struct tty_struct *tty, count = mos7720_chars_in_buffer(tty); if (count == 0) { - read_mos_reg(port->serial, port_number, LSR, &data); + read_mos_reg(port->serial, port_number, MOS7720_LSR, &data); if ((data & (UART_LSR_TEMT | UART_LSR_THRE)) == (UART_LSR_TEMT | UART_LSR_THRE)) { dev_dbg(&port->dev, "%s -- Empty\n", __func__); @@ -1782,7 +1805,7 @@ static int mos7720_tiocmset(struct tty_struct *tty, mcr &= ~UART_MCR_LOOP; mos7720_port->shadowMCR = mcr; - write_mos_reg(port->serial, port->port_number, MCR, + write_mos_reg(port->serial, port->port_number, MOS7720_MCR, mos7720_port->shadowMCR); return 0; @@ -1827,7 +1850,7 @@ static int set_modem_info(struct moschip_port *mos7720_port, unsigned int cmd, } mos7720_port->shadowMCR = mcr; - write_mos_reg(port->serial, port->port_number, MCR, + write_mos_reg(port->serial, port->port_number, MOS7720_MCR, mos7720_port->shadowMCR); return 0; @@ -1942,7 +1965,7 @@ static int mos7720_startup(struct usb_serial *serial) } #endif /* LSR For Port 1 */ - read_mos_reg(serial, 0, LSR, &data); + read_mos_reg(serial, 0, MOS7720_LSR, &data); dev_dbg(&dev->dev, "LSR:%x\n", data); return 0; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index f0c0c53359ad..876423b8892c 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1099,6 +1099,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */ { USB_DEVICE_INTERFACE_CLASS(SIERRA_VENDOR_ID, 0x68c0, 0xff), .driver_info = (kernel_ulong_t)&sierra_mc73xx_blacklist }, /* MC73xx */ + { USB_DEVICE_INTERFACE_CLASS(SIERRA_VENDOR_ID, 0x9041, 0xff), + .driver_info = (kernel_ulong_t)&sierra_mc73xx_blacklist }, /* MC7305/MC7355 */ { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003), @@ -1765,6 +1767,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ + { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) }, { USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) }, { } /* Terminating entry */ diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 9c63897b3a56..d156545728c2 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -145,7 +145,6 @@ static const struct usb_device_id id_table[] = { {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */ {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */ {DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */ - {DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */ {DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */ {DEVICE_SWI(0x1199, 0x9053)}, /* Sierra Wireless Modem */ {DEVICE_SWI(0x1199, 0x9054)}, /* Sierra Wireless Modem */ @@ -158,6 +157,7 @@ static const struct usb_device_id id_table[] = { {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ {DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ + {DEVICE_SWI(0x413c, 0x81b1)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ /* Huawei devices */ {DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */ diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 46179a0828eb..07d1ecd564f7 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -289,6 +289,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68AA, 0xFF, 0xFF, 0xFF), .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist }, + { USB_DEVICE(0x1199, 0x68AB) }, /* Sierra Wireless AR8550 */ /* AT&T Direct IP LTE modems */ { USB_DEVICE_AND_INTERFACE_INFO(0x0F3D, 0x68AA, 0xFF, 0xFF, 0xFF), .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 529066bbc7e8..46f1f13b41f1 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1306,6 +1306,7 @@ static void __exit usb_serial_exit(void) tty_unregister_driver(usb_serial_tty_driver); put_tty_driver(usb_serial_tty_driver); bus_unregister(&usb_serial_bus_type); + idr_destroy(&serial_minors); } diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index caf188800c67..6b2479123de7 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2065,6 +2065,18 @@ UNUSUAL_DEV( 0x1908, 0x3335, 0x0200, 0x0200, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_READ_DISC_INFO ), +/* Reported by Oliver Neukum <oneukum@suse.com> + * This device morphes spontaneously into another device if the access + * pattern of Windows isn't followed. Thus writable media would be dirty + * if the initial instance is used. So the device is limited to its + * virtual CD. + * And yes, the concept that BCD goes up to 9 is not heeded */ +UNUSUAL_DEV( 0x19d2, 0x1225, 0x0000, 0xffff, + "ZTE,Incorporated", + "ZTE WCDMA Technologies MSM", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_SINGLE_LUN ), + /* Reported by Sven Geggus <sven-usbst@geggus.net> * This encrypted pen drive returns bogus data for the initial READ(10). */ @@ -2074,6 +2086,17 @@ UNUSUAL_DEV( 0x1b1c, 0x1ab5, 0x0200, 0x0200, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_INITIAL_READ10 ), +/* Reported by Hans de Goede <hdegoede@redhat.com> + * These are mini projectors using USB for both power and video data transport + * The usb-storage interface is a virtual windows driver CD, which the gm12u320 + * driver automatically converts into framebuffer & kms dri device nodes. + */ +UNUSUAL_DEV( 0x1de1, 0xc102, 0x0000, 0xffff, + "Grain-media Technology Corp.", + "USB3.0 Device GM12U320", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_IGNORE_DEVICE ), + /* Patch by Richard Schütz <r.schtz@t-online.de> * This external hard drive enclosure uses a JMicron chip which * needs the US_FL_IGNORE_RESIDUE flag to work properly. */ diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c index 2fb29dfeffbd..563c510f285c 100644 --- a/drivers/vfio/vfio.c +++ b/drivers/vfio/vfio.c @@ -689,6 +689,23 @@ struct vfio_device *vfio_device_get_from_dev(struct device *dev) } EXPORT_SYMBOL_GPL(vfio_device_get_from_dev); +static struct vfio_device *vfio_device_get_from_name(struct vfio_group *group, + char *buf) +{ + struct vfio_device *device; + + mutex_lock(&group->device_lock); + list_for_each_entry(device, &group->device_list, group_next) { + if (!strcmp(dev_name(device->dev), buf)) { + vfio_device_get(device); + break; + } + } + mutex_unlock(&group->device_lock); + + return device; +} + /* * Caller must hold a reference to the vfio_device */ @@ -1198,53 +1215,53 @@ static int vfio_group_get_device_fd(struct vfio_group *group, char *buf) { struct vfio_device *device; struct file *filep; - int ret = -ENODEV; + int ret; if (0 == atomic_read(&group->container_users) || !group->container->iommu_driver || !vfio_group_viable(group)) return -EINVAL; - mutex_lock(&group->device_lock); - list_for_each_entry(device, &group->device_list, group_next) { - if (strcmp(dev_name(device->dev), buf)) - continue; + device = vfio_device_get_from_name(group, buf); + if (!device) + return -ENODEV; - ret = device->ops->open(device->device_data); - if (ret) - break; - /* - * We can't use anon_inode_getfd() because we need to modify - * the f_mode flags directly to allow more than just ioctls - */ - ret = get_unused_fd_flags(O_CLOEXEC); - if (ret < 0) { - device->ops->release(device->device_data); - break; - } + ret = device->ops->open(device->device_data); + if (ret) { + vfio_device_put(device); + return ret; + } - filep = anon_inode_getfile("[vfio-device]", &vfio_device_fops, - device, O_RDWR); - if (IS_ERR(filep)) { - put_unused_fd(ret); - ret = PTR_ERR(filep); - device->ops->release(device->device_data); - break; - } + /* + * We can't use anon_inode_getfd() because we need to modify + * the f_mode flags directly to allow more than just ioctls + */ + ret = get_unused_fd_flags(O_CLOEXEC); + if (ret < 0) { + device->ops->release(device->device_data); + vfio_device_put(device); + return ret; + } - /* - * TODO: add an anon_inode interface to do this. - * Appears to be missing by lack of need rather than - * explicitly prevented. Now there's need. - */ - filep->f_mode |= (FMODE_LSEEK | FMODE_PREAD | FMODE_PWRITE); + filep = anon_inode_getfile("[vfio-device]", &vfio_device_fops, + device, O_RDWR); + if (IS_ERR(filep)) { + put_unused_fd(ret); + ret = PTR_ERR(filep); + device->ops->release(device->device_data); + vfio_device_put(device); + return ret; + } + + /* + * TODO: add an anon_inode interface to do this. + * Appears to be missing by lack of need rather than + * explicitly prevented. Now there's need. + */ + filep->f_mode |= (FMODE_LSEEK | FMODE_PREAD | FMODE_PWRITE); - vfio_device_get(device); - atomic_inc(&group->container_users); + atomic_inc(&group->container_users); - fd_install(ret, filep); - break; - } - mutex_unlock(&group->device_lock); + fd_install(ret, filep); return ret; } diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 9e8e004bb1c3..eec2f11809ff 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -22,14 +22,20 @@ #include <linux/file.h> #include <linux/highmem.h> #include <linux/slab.h> +#include <linux/vmalloc.h> #include <linux/kthread.h> #include <linux/cgroup.h> #include <linux/module.h> +#include <linux/sort.h> #include "vhost.h" +static ushort max_mem_regions = 64; +module_param(max_mem_regions, ushort, 0444); +MODULE_PARM_DESC(max_mem_regions, + "Maximum number of memory regions in memory map. (default: 64)"); + enum { - VHOST_MEMORY_MAX_NREGIONS = 64, VHOST_MEMORY_F_LOG = 0x1, }; @@ -543,7 +549,7 @@ void vhost_dev_cleanup(struct vhost_dev *dev, bool locked) fput(dev->log_file); dev->log_file = NULL; /* No one will access memory at this point */ - kfree(dev->memory); + kvfree(dev->memory); dev->memory = NULL; WARN_ON(!list_empty(&dev->work_list)); if (dev->worker) { @@ -663,6 +669,25 @@ int vhost_vq_access_ok(struct vhost_virtqueue *vq) } EXPORT_SYMBOL_GPL(vhost_vq_access_ok); +static int vhost_memory_reg_sort_cmp(const void *p1, const void *p2) +{ + const struct vhost_memory_region *r1 = p1, *r2 = p2; + if (r1->guest_phys_addr < r2->guest_phys_addr) + return 1; + if (r1->guest_phys_addr > r2->guest_phys_addr) + return -1; + return 0; +} + +static void *vhost_kvzalloc(unsigned long size) +{ + void *n = kzalloc(size, GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT); + + if (!n) + n = vzalloc(size); + return n; +} + static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m) { struct vhost_memory mem, *newmem, *oldmem; @@ -673,21 +698,23 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m) return -EFAULT; if (mem.padding) return -EOPNOTSUPP; - if (mem.nregions > VHOST_MEMORY_MAX_NREGIONS) + if (mem.nregions > max_mem_regions) return -E2BIG; - newmem = kmalloc(size + mem.nregions * sizeof *m->regions, GFP_KERNEL); + newmem = vhost_kvzalloc(size + mem.nregions * sizeof(*m->regions)); if (!newmem) return -ENOMEM; memcpy(newmem, &mem, size); if (copy_from_user(newmem->regions, m->regions, mem.nregions * sizeof *m->regions)) { - kfree(newmem); + kvfree(newmem); return -EFAULT; } + sort(newmem->regions, newmem->nregions, sizeof(*newmem->regions), + vhost_memory_reg_sort_cmp, NULL); if (!memory_access_ok(d, newmem, 0)) { - kfree(newmem); + kvfree(newmem); return -EFAULT; } oldmem = d->memory; @@ -699,7 +726,7 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m) d->vqs[i]->memory = newmem; mutex_unlock(&d->vqs[i]->mutex); } - kfree(oldmem); + kvfree(oldmem); return 0; } @@ -965,6 +992,7 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp) } if (eventfp != d->log_file) { filep = d->log_file; + d->log_file = eventfp; ctx = d->log_ctx; d->log_ctx = eventfp ? eventfd_ctx_fileget(eventfp) : NULL; @@ -992,17 +1020,22 @@ EXPORT_SYMBOL_GPL(vhost_dev_ioctl); static const struct vhost_memory_region *find_region(struct vhost_memory *mem, __u64 addr, __u32 len) { - struct vhost_memory_region *reg; - int i; + const struct vhost_memory_region *reg; + int start = 0, end = mem->nregions; - /* linear search is not brilliant, but we really have on the order of 6 - * regions in practice */ - for (i = 0; i < mem->nregions; ++i) { - reg = mem->regions + i; - if (reg->guest_phys_addr <= addr && - reg->guest_phys_addr + reg->memory_size - 1 >= addr) - return reg; + while (start < end) { + int slot = start + (end - start) / 2; + reg = mem->regions + slot; + if (addr >= reg->guest_phys_addr) + end = slot; + else + start = slot + 1; } + + reg = mem->regions + start; + if (addr >= reg->guest_phys_addr && + reg->guest_phys_addr + reg->memory_size > addr) + return reg; return NULL; } diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 658c34bb9076..1aaf89300621 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -1306,10 +1306,11 @@ static void fbcon_cursor(struct vc_data *vc, int mode) int y; int c = scr_readw((u16 *) vc->vc_pos); + ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms); + if (fbcon_is_inactive(vc, info) || vc->vc_deccm != 1) return; - ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms); if (vc->vc_cursor_type & 0x10) fbcon_del_cursor_timer(info); else diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 2d98de535e0f..f888561568d9 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -298,7 +298,7 @@ config FB_ARMCLCD # Helper logic selected only by the ARM Versatile platform family. config PLAT_VERSATILE_CLCD - def_bool ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS + def_bool ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || ARCH_INTEGRATOR depends on ARM depends on FB_ARMCLCD && FB=y diff --git a/drivers/video/fbdev/omap2/dss/dss-of.c b/drivers/video/fbdev/omap2/dss/dss-of.c index 928ee639c0c1..bf407b6ba15c 100644 --- a/drivers/video/fbdev/omap2/dss/dss-of.c +++ b/drivers/video/fbdev/omap2/dss/dss-of.c @@ -60,6 +60,8 @@ omapdss_of_get_next_port(const struct device_node *parent, } prev = port; } while (of_node_cmp(port->name, "port") != 0); + + of_node_put(ports); } return port; @@ -94,7 +96,7 @@ struct device_node *dss_of_port_get_parent_device(struct device_node *port) if (!port) return NULL; - np = of_get_next_parent(port); + np = of_get_parent(port); for (i = 0; i < 2 && np; ++i) { struct property *prop; diff --git a/drivers/video/fbdev/pxa3xx-gcu.c b/drivers/video/fbdev/pxa3xx-gcu.c index 86bd457d039d..50bce45e7f3d 100644 --- a/drivers/video/fbdev/pxa3xx-gcu.c +++ b/drivers/video/fbdev/pxa3xx-gcu.c @@ -653,7 +653,7 @@ static int pxa3xx_gcu_probe(struct platform_device *pdev) goto err_free_dma; } - ret = clk_enable(priv->clk); + ret = clk_prepare_enable(priv->clk); if (ret < 0) { dev_err(dev, "failed to enable clock\n"); goto err_misc_deregister; @@ -685,7 +685,7 @@ err_misc_deregister: misc_deregister(&priv->misc_dev); err_disable_clk: - clk_disable(priv->clk); + clk_disable_unprepare(priv->clk); return ret; } diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index 7245611ec963..94813af97f09 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -1668,7 +1668,6 @@ pxafb_freq_policy(struct notifier_block *nb, unsigned long val, void *data) switch (val) { case CPUFREQ_ADJUST: - case CPUFREQ_INCOMPATIBLE: pr_debug("min dma period: %d ps, " "new clock %d kHz\n", pxafb_display_dma_period(var), policy->max); diff --git a/drivers/video/fbdev/sa1100fb.c b/drivers/video/fbdev/sa1100fb.c index 89dd7e02197f..dcf774c15889 100644 --- a/drivers/video/fbdev/sa1100fb.c +++ b/drivers/video/fbdev/sa1100fb.c @@ -1042,7 +1042,6 @@ sa1100fb_freq_policy(struct notifier_block *nb, unsigned long val, switch (val) { case CPUFREQ_ADJUST: - case CPUFREQ_INCOMPATIBLE: dev_dbg(fbi->dev, "min dma period: %d ps, " "new clock %d kHz\n", sa1100fb_min_dma_period(fbi), policy->max); diff --git a/drivers/video/of_videomode.c b/drivers/video/of_videomode.c index 111c2d1911d3..b5102aa6090d 100644 --- a/drivers/video/of_videomode.c +++ b/drivers/video/of_videomode.c @@ -44,11 +44,9 @@ int of_get_videomode(struct device_node *np, struct videomode *vm, index = disp->native_mode; ret = videomode_from_timings(disp, vm, index); - if (ret) - return ret; display_timings_release(disp); - return 0; + return ret; } EXPORT_SYMBOL_GPL(of_get_videomode); diff --git a/drivers/virtio/virtio_input.c b/drivers/virtio/virtio_input.c index 60e2a1677563..c96944b59856 100644 --- a/drivers/virtio/virtio_input.c +++ b/drivers/virtio/virtio_input.c @@ -313,6 +313,7 @@ err_init_vq: static void virtinput_remove(struct virtio_device *vdev) { struct virtio_input *vi = vdev->priv; + void *buf; unsigned long flags; spin_lock_irqsave(&vi->lock, flags); @@ -320,6 +321,9 @@ static void virtinput_remove(struct virtio_device *vdev) spin_unlock_irqrestore(&vi->lock, flags); input_unregister_device(vi->idev); + vdev->config->reset(vdev); + while ((buf = virtqueue_detach_unused_buf(vi->sts)) != NULL) + kfree(buf); vdev->config->del_vqs(vdev); kfree(vi); } diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c index c1b03f4235b9..4e7fec36f5c3 100644 --- a/drivers/watchdog/sp805_wdt.c +++ b/drivers/watchdog/sp805_wdt.c @@ -4,7 +4,7 @@ * Watchdog driver for ARM SP805 watchdog module * * Copyright (C) 2010 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2 or later. This program is licensed "as is" without any @@ -303,6 +303,6 @@ static struct amba_driver sp805_wdt_driver = { module_amba_driver(sp805_wdt_driver); -MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>"); +MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>"); MODULE_DESCRIPTION("ARM SP805 Watchdog Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index fd933695f232..bf4a23c7c591 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -472,7 +472,7 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp) } /* - * We avoid multiple worker processes conflicting via the balloon mutex. + * As this is a work item it is guaranteed to run as a single instance only. * We may of course race updates of the target counts (which are protected * by the balloon lock), or with changes to the Xen hard limit, but we will * recover from these in time. @@ -482,9 +482,10 @@ static void balloon_process(struct work_struct *work) enum bp_state state = BP_DONE; long credit; - mutex_lock(&balloon_mutex); do { + mutex_lock(&balloon_mutex); + credit = current_credit(); if (credit > 0) { @@ -499,17 +500,15 @@ static void balloon_process(struct work_struct *work) state = update_schedule(state); -#ifndef CONFIG_PREEMPT - if (need_resched()) - schedule(); -#endif + mutex_unlock(&balloon_mutex); + + cond_resched(); + } while (credit && state == BP_DONE); /* Schedule more work if there is some still to be done. */ if (state == BP_EAGAIN) schedule_delayed_work(&balloon_worker, balloon_stats.schedule_delay * HZ); - - mutex_unlock(&balloon_mutex); } /* Resets the Xen limit, sets new target, and kicks off processing. */ diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 67b9163db718..0dbb222daaf1 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -568,12 +568,14 @@ static int gntdev_release(struct inode *inode, struct file *flip) pr_debug("priv %p\n", priv); + mutex_lock(&priv->lock); while (!list_empty(&priv->maps)) { map = list_entry(priv->maps.next, struct grant_map, next); list_del(&map->next); gntdev_put_map(NULL /* already removed */, map); } WARN_ON(!list_empty(&priv->freeable_maps)); + mutex_unlock(&priv->lock); if (use_ptemod) mmu_notifier_unregister(&priv->mn, priv->mm); diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c index 59fc190f1e92..70fa438000af 100644 --- a/drivers/xen/xen-acpi-processor.c +++ b/drivers/xen/xen-acpi-processor.c @@ -560,11 +560,9 @@ static int __init xen_acpi_processor_init(void) return 0; err_unregister: - for_each_possible_cpu(i) { - struct acpi_processor_performance *perf; - perf = per_cpu_ptr(acpi_perf_data, i); - acpi_processor_unregister_performance(perf, i); - } + for_each_possible_cpu(i) + acpi_processor_unregister_performance(i); + err_out: /* Freeing a NULL pointer is OK: alloc_percpu zeroes. */ free_acpi_perf_data(); @@ -579,11 +577,9 @@ static void __exit xen_acpi_processor_exit(void) kfree(acpi_ids_done); kfree(acpi_id_present); kfree(acpi_id_cst_present); - for_each_possible_cpu(i) { - struct acpi_processor_performance *perf; - perf = per_cpu_ptr(acpi_perf_data, i); - acpi_processor_unregister_performance(perf, i); - } + for_each_possible_cpu(i) + acpi_processor_unregister_performance(i); + free_acpi_perf_data(); } diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index 9ad327238ba9..e30353575d5d 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -814,8 +814,10 @@ static int xenbus_unmap_ring_vfree_hvm(struct xenbus_device *dev, void *vaddr) rv = xenbus_unmap_ring(dev, node->handles, node->nr_handles, addrs); - if (!rv) + if (!rv) { vunmap(vaddr); + free_xenballooned_pages(node->nr_handles, node->hvm.pages); + } else WARN(1, "Leaking %p, size %u page(s)\n", vaddr, node->nr_handles); diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index 862fbc206755..564a7de17d99 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -378,7 +378,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root, ret = btrfs_kobj_add_device(tgt_device->fs_devices, tgt_device); if (ret) - btrfs_error(root->fs_info, ret, "kobj add dev failed"); + btrfs_err(root->fs_info, "kobj add dev failed %d\n", ret); printk_in_rcu(KERN_INFO "BTRFS: dev_replace from %s (devid %llu) to %s started\n", diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index a9aadb2ad525..f556c3732c2c 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2842,6 +2842,7 @@ int open_ctree(struct super_block *sb, !extent_buffer_uptodate(chunk_root->node)) { printk(KERN_ERR "BTRFS: failed to read chunk root on %s\n", sb->s_id); + chunk_root->node = NULL; goto fail_tree_roots; } btrfs_set_root_node(&chunk_root->root_item, chunk_root->node); @@ -2879,7 +2880,7 @@ retry_root_backup: !extent_buffer_uptodate(tree_root->node)) { printk(KERN_WARNING "BTRFS: failed to read tree root on %s\n", sb->s_id); - + tree_root->node = NULL; goto recovery_tree_root; } diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 1c2bd1723e40..07204bf601ed 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2296,9 +2296,22 @@ static int run_one_delayed_ref(struct btrfs_trans_handle *trans, static inline struct btrfs_delayed_ref_node * select_delayed_ref(struct btrfs_delayed_ref_head *head) { + struct btrfs_delayed_ref_node *ref; + if (list_empty(&head->ref_list)) return NULL; + /* + * Select a delayed ref of type BTRFS_ADD_DELAYED_REF first. + * This is to prevent a ref count from going down to zero, which deletes + * the extent item from the extent tree, when there still are references + * to add, which would fail because they would not find the extent item. + */ + list_for_each_entry(ref, &head->ref_list, list) { + if (ref->action == BTRFS_ADD_DELAYED_REF) + return ref; + } + return list_entry(head->ref_list.next, struct btrfs_delayed_ref_node, list); } @@ -4214,6 +4227,24 @@ out: space_info->chunk_alloc = 0; spin_unlock(&space_info->lock); mutex_unlock(&fs_info->chunk_mutex); + /* + * When we allocate a new chunk we reserve space in the chunk block + * reserve to make sure we can COW nodes/leafs in the chunk tree or + * add new nodes/leafs to it if we end up needing to do it when + * inserting the chunk item and updating device items as part of the + * second phase of chunk allocation, performed by + * btrfs_finish_chunk_alloc(). So make sure we don't accumulate a + * large number of new block groups to create in our transaction + * handle's new_bgs list to avoid exhausting the chunk block reserve + * in extreme cases - like having a single transaction create many new + * block groups when starting to write out the free space caches of all + * the block groups that were made dirty during the lifetime of the + * transaction. + */ + if (trans->chunk_bytes_reserved >= (2 * 1024 * 1024ull)) { + btrfs_create_pending_block_groups(trans, trans->root); + btrfs_trans_release_chunk_metadata(trans); + } return ret; } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index b33c0cf02668..e33dff356460 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4209,7 +4209,7 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans, u64 extent_num_bytes = 0; u64 extent_offset = 0; u64 item_end = 0; - u64 last_size = (u64)-1; + u64 last_size = new_size; u32 found_type = (u8)-1; int found_extent; int del_item; @@ -4493,8 +4493,7 @@ out: btrfs_abort_transaction(trans, root, ret); } error: - if (last_size != (u64)-1 && - root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) + if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) btrfs_ordered_update_i_size(inode, last_size, NULL); btrfs_free_path(path); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 5d91776e12a2..0770c91586ca 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3090,7 +3090,7 @@ out_unlock: static long btrfs_ioctl_file_extent_same(struct file *file, struct btrfs_ioctl_same_args __user *argp) { - struct btrfs_ioctl_same_args *same; + struct btrfs_ioctl_same_args *same = NULL; struct btrfs_ioctl_same_extent_info *info; struct inode *src = file_inode(file); u64 off; @@ -3120,6 +3120,7 @@ static long btrfs_ioctl_file_extent_same(struct file *file, if (IS_ERR(same)) { ret = PTR_ERR(same); + same = NULL; goto out; } @@ -3190,6 +3191,7 @@ static long btrfs_ioctl_file_extent_same(struct file *file, out: mnt_drop_write_file(file); + kfree(same); return ret; } @@ -3586,6 +3588,20 @@ process_slot: u64 trim = 0; u64 aligned_end = 0; + /* + * Don't copy an inline extent into an offset + * greater than zero. Having an inline extent + * at such an offset results in chaos as btrfs + * isn't prepared for such cases. Just skip + * this case for the same reasons as commented + * at btrfs_ioctl_clone(). + */ + if (last_dest_end > 0) { + ret = -EOPNOTSUPP; + btrfs_end_transaction(trans, root); + goto out; + } + if (off > key.offset) { skip = off - key.offset; new_key.offset += skip; diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index e9ace099162c..8a8202956576 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1651,6 +1651,11 @@ static int qgroup_update_counters(struct btrfs_fs_info *fs_info, /* Exclusive -> exclusive, nothing changed */ } } + + /* For exclusive extent, free its reserved bytes too */ + if (nr_old_roots == 0 && nr_new_roots == 1 && + cur_new_count == nr_new_roots) + qg->reserved -= num_bytes; if (dirty) qgroup_dirty(fs_info, qg); } diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index c0f18e7266b6..f5021fcb154e 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -761,7 +761,7 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans, if (!list_empty(&trans->ordered)) { spin_lock(&info->trans_lock); - list_splice(&trans->ordered, &cur_trans->pending_ordered); + list_splice_init(&trans->ordered, &cur_trans->pending_ordered); spin_unlock(&info->trans_lock); } @@ -1866,7 +1866,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, } spin_lock(&root->fs_info->trans_lock); - list_splice(&trans->ordered, &cur_trans->pending_ordered); + list_splice_init(&trans->ordered, &cur_trans->pending_ordered); if (cur_trans->state >= TRANS_STATE_COMMIT_START) { spin_unlock(&root->fs_info->trans_lock); atomic_inc(&cur_trans->use_count); @@ -2152,7 +2152,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, kmem_cache_free(btrfs_trans_handle_cachep, trans); - if (current != root->fs_info->transaction_kthread) + if (current != root->fs_info->transaction_kthread && + current != root->fs_info->cleaner_kthread) btrfs_run_delayed_iputs(root); return ret; diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index dc10c9dd36c1..ddd5e9471290 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1506,7 +1506,6 @@ static int __mark_caps_flushing(struct inode *inode, swap(cf, ci->i_prealloc_cap_flush); cf->caps = flushing; - cf->kick = false; spin_lock(&mdsc->cap_dirty_lock); list_del_init(&ci->i_dirty_item); @@ -2123,8 +2122,7 @@ static void kick_flushing_capsnaps(struct ceph_mds_client *mdsc, static int __kick_flushing_caps(struct ceph_mds_client *mdsc, struct ceph_mds_session *session, - struct ceph_inode_info *ci, - bool kick_all) + struct ceph_inode_info *ci) { struct inode *inode = &ci->vfs_inode; struct ceph_cap *cap; @@ -2150,9 +2148,7 @@ static int __kick_flushing_caps(struct ceph_mds_client *mdsc, for (n = rb_first(&ci->i_cap_flush_tree); n; n = rb_next(n)) { cf = rb_entry(n, struct ceph_cap_flush, i_node); - if (cf->tid < first_tid) - continue; - if (kick_all || cf->kick) + if (cf->tid >= first_tid) break; } if (!n) { @@ -2161,7 +2157,6 @@ static int __kick_flushing_caps(struct ceph_mds_client *mdsc, } cf = rb_entry(n, struct ceph_cap_flush, i_node); - cf->kick = false; first_tid = cf->tid + 1; @@ -2181,8 +2176,6 @@ void ceph_early_kick_flushing_caps(struct ceph_mds_client *mdsc, { struct ceph_inode_info *ci; struct ceph_cap *cap; - struct ceph_cap_flush *cf; - struct rb_node *n; dout("early_kick_flushing_caps mds%d\n", session->s_mds); list_for_each_entry(ci, &session->s_cap_flushing, i_flushing_item) { @@ -2205,16 +2198,11 @@ void ceph_early_kick_flushing_caps(struct ceph_mds_client *mdsc, if ((cap->issued & ci->i_flushing_caps) != ci->i_flushing_caps) { spin_unlock(&ci->i_ceph_lock); - if (!__kick_flushing_caps(mdsc, session, ci, true)) + if (!__kick_flushing_caps(mdsc, session, ci)) continue; spin_lock(&ci->i_ceph_lock); } - for (n = rb_first(&ci->i_cap_flush_tree); n; n = rb_next(n)) { - cf = rb_entry(n, struct ceph_cap_flush, i_node); - cf->kick = true; - } - spin_unlock(&ci->i_ceph_lock); } } @@ -2228,7 +2216,7 @@ void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc, dout("kick_flushing_caps mds%d\n", session->s_mds); list_for_each_entry(ci, &session->s_cap_flushing, i_flushing_item) { - int delayed = __kick_flushing_caps(mdsc, session, ci, false); + int delayed = __kick_flushing_caps(mdsc, session, ci); if (delayed) { spin_lock(&ci->i_ceph_lock); __cap_delay_requeue(mdsc, ci); @@ -2261,7 +2249,7 @@ static void kick_flushing_inode_caps(struct ceph_mds_client *mdsc, spin_unlock(&ci->i_ceph_lock); - delayed = __kick_flushing_caps(mdsc, session, ci, true); + delayed = __kick_flushing_caps(mdsc, session, ci); if (delayed) { spin_lock(&ci->i_ceph_lock); __cap_delay_requeue(mdsc, ci); diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c index 4347039ecc18..6706bde9ad1b 100644 --- a/fs/ceph/locks.c +++ b/fs/ceph/locks.c @@ -287,7 +287,7 @@ int ceph_encode_locks_to_buffer(struct inode *inode, return 0; spin_lock(&ctx->flc_lock); - list_for_each_entry(lock, &ctx->flc_flock, fl_list) { + list_for_each_entry(lock, &ctx->flc_posix, fl_list) { ++seen_fcntl; if (seen_fcntl > num_fcntl_locks) { err = -ENOSPC; diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 860cc016e70d..2f2460d23a06 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -189,7 +189,6 @@ static inline void ceph_put_cap_snap(struct ceph_cap_snap *capsnap) struct ceph_cap_flush { u64 tid; int caps; - bool kick; struct rb_node g_node; // global union { struct rb_node i_node; // inode diff --git a/fs/configfs/item.c b/fs/configfs/item.c index 4d6a30e76168..b863a09cd2f1 100644 --- a/fs/configfs/item.c +++ b/fs/configfs/item.c @@ -115,7 +115,7 @@ void config_item_init_type_name(struct config_item *item, const char *name, struct config_item_type *type) { - config_item_set_name(item, name); + config_item_set_name(item, "%s", name); item->ci_type = type; config_item_init(item); } @@ -124,7 +124,7 @@ EXPORT_SYMBOL(config_item_init_type_name); void config_group_init_type_name(struct config_group *group, const char *name, struct config_item_type *type) { - config_item_set_name(&group->cg_item, name); + config_item_set_name(&group->cg_item, "%s", name); group->cg_item.ci_type = type; config_group_init(group); } @@ -319,6 +319,12 @@ static int dax_insert_mapping(struct inode *inode, struct buffer_head *bh, * @vma: The virtual memory area where the fault occurred * @vmf: The description of the fault * @get_block: The filesystem method used to translate file offsets to blocks + * @complete_unwritten: The filesystem method used to convert unwritten blocks + * to written so the data written to them is exposed. This is required for + * required by write faults for filesystems that will return unwritten + * extent mappings from @get_block, but it is optional for reads as + * dax_insert_mapping() will always zero unwritten blocks. If the fs does + * not support unwritten extents, the it should pass NULL. * * When a page fault occurs, filesystems may call this helper in their * fault handler for DAX files. __dax_fault() assumes the caller has done all @@ -437,8 +443,12 @@ int __dax_fault(struct vm_area_struct *vma, struct vm_fault *vmf, * as for normal BH based IO completions. */ error = dax_insert_mapping(inode, &bh, vma, vmf); - if (buffer_unwritten(&bh)) - complete_unwritten(&bh, !error); + if (buffer_unwritten(&bh)) { + if (complete_unwritten) + complete_unwritten(&bh, !error); + else + WARN_ON_ONCE(!(vmf->flags & FAULT_FLAG_WRITE)); + } out: if (error == -ENOMEM) diff --git a/fs/dcache.c b/fs/dcache.c index 5c8ea15e73a5..9b5fe503f6cb 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -3442,22 +3442,15 @@ void __init vfs_caches_init_early(void) inode_init_early(); } -void __init vfs_caches_init(unsigned long mempages) +void __init vfs_caches_init(void) { - unsigned long reserve; - - /* Base hash sizes on available memory, with a reserve equal to - 150% of current kernel size */ - - reserve = min((mempages - nr_free_pages()) * 3/2, mempages - 1); - mempages -= reserve; - names_cachep = kmem_cache_create("names_cache", PATH_MAX, 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL); dcache_init(); inode_init(); - files_init(mempages); + files_init(); + files_maxfiles_init(); mnt_init(); bdev_cache_init(); chrdev_init(); diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 9bedfa8dd3a5..f71e19a9dd3c 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -2072,8 +2072,6 @@ static int f2fs_set_data_page_dirty(struct page *page) return 1; } - mark_inode_dirty(inode); - if (!PageDirty(page)) { __set_page_dirty_nobuffers(page); update_dirty_page(inode, page); diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index ada2a3dd701a..b0f38c3b37f4 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1331,12 +1331,13 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp) if (ret) return ret; - if (f2fs_is_atomic_file(inode)) + if (f2fs_is_atomic_file(inode)) { + clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE); commit_inmem_pages(inode, false); + } ret = f2fs_sync_file(filp, 0, LONG_MAX, 0); mnt_drop_write_file(filp); - clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE); return ret; } @@ -1387,8 +1388,8 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp) f2fs_balance_fs(F2FS_I_SB(inode)); if (f2fs_is_atomic_file(inode)) { - commit_inmem_pages(inode, false); clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE); + commit_inmem_pages(inode, false); } if (f2fs_is_volatile_file(inode)) diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index e1e73617d13b..22fb5ef37966 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -556,27 +556,39 @@ static void move_encrypted_block(struct inode *inode, block_t bidx) if (!fio.encrypted_page) goto put_out; - f2fs_submit_page_bio(&fio); + err = f2fs_submit_page_bio(&fio); + if (err) + goto put_page_out; + + /* write page */ + lock_page(fio.encrypted_page); + + if (unlikely(!PageUptodate(fio.encrypted_page))) + goto put_page_out; + if (unlikely(fio.encrypted_page->mapping != META_MAPPING(fio.sbi))) + goto put_page_out; + + set_page_dirty(fio.encrypted_page); + f2fs_wait_on_page_writeback(fio.encrypted_page, META); + if (clear_page_dirty_for_io(fio.encrypted_page)) + dec_page_count(fio.sbi, F2FS_DIRTY_META); + + set_page_writeback(fio.encrypted_page); /* allocate block address */ f2fs_wait_on_page_writeback(dn.node_page, NODE); - allocate_data_block(fio.sbi, NULL, fio.blk_addr, &fio.blk_addr, &sum, CURSEG_COLD_DATA); - dn.data_blkaddr = fio.blk_addr; - - /* write page */ - lock_page(fio.encrypted_page); - set_page_writeback(fio.encrypted_page); fio.rw = WRITE_SYNC; f2fs_submit_page_mbio(&fio); + dn.data_blkaddr = fio.blk_addr; set_data_blkaddr(&dn); f2fs_update_extent_cache(&dn); set_inode_flag(F2FS_I(inode), FI_APPEND_WRITE); if (page->index == 0) set_inode_flag(F2FS_I(inode), FI_FIRST_BLOCK_WRITTEN); - +put_page_out: f2fs_put_page(fio.encrypted_page, 1); put_out: f2fs_put_dnode(&dn); @@ -605,8 +617,8 @@ static void move_data_page(struct inode *inode, block_t bidx, int gc_type) .page = page, .encrypted_page = NULL, }; + set_page_dirty(page); f2fs_wait_on_page_writeback(page, DATA); - if (clear_page_dirty_for_io(page)) inode_dec_dirty_pages(inode); set_cold_data(page); diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index 38e75fb1e488..a13ffcc32992 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -141,6 +141,8 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page) kunmap_atomic(dst_addr); SetPageUptodate(page); no_update: + set_page_dirty(page); + /* clear dirty state */ dirty = clear_page_dirty_for_io(page); diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 1eb343768781..61b97f9cb9f6 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -257,6 +257,7 @@ void commit_inmem_pages(struct inode *inode, bool abort) if (!abort) { lock_page(cur->page); if (cur->page->mapping == inode->i_mapping) { + set_page_dirty(cur->page); f2fs_wait_on_page_writeback(cur->page, DATA); if (clear_page_dirty_for_io(cur->page)) inode_dec_dirty_pages(inode); diff --git a/fs/file_table.c b/fs/file_table.c index 7f9d407c7595..ad17e05ebf95 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -25,6 +25,7 @@ #include <linux/hardirq.h> #include <linux/task_work.h> #include <linux/ima.h> +#include <linux/swap.h> #include <linux/atomic.h> @@ -308,19 +309,24 @@ void put_filp(struct file *file) } } -void __init files_init(unsigned long mempages) +void __init files_init(void) { - unsigned long n; - filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0, SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL); + percpu_counter_init(&nr_files, 0, GFP_KERNEL); +} - /* - * One file with associated inode and dcache is very roughly 1K. - * Per default don't use more than 10% of our memory for files. - */ +/* + * One file with associated inode and dcache is very roughly 1K. Per default + * do not use more than 10% of our memory for files. + */ +void __init files_maxfiles_init(void) +{ + unsigned long n; + unsigned long memreserve = (totalram_pages - nr_free_pages()) * 3/2; + + memreserve = min(memreserve, totalram_pages - 1); + n = ((totalram_pages - memreserve) * (PAGE_SIZE / 1024)) / 10; - n = (mempages * (PAGE_SIZE / 1024)) / 10; files_stat.max_files = max_t(unsigned long, n, NR_FILE); - percpu_counter_init(&nr_files, 0, GFP_KERNEL); } diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index f0520bcf2094..5fa588e933d5 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -702,6 +702,7 @@ void wbc_account_io(struct writeback_control *wbc, struct page *page, else wbc->wb_tcand_bytes -= min(bytes, wbc->wb_tcand_bytes); } +EXPORT_SYMBOL_GPL(wbc_account_io); /** * inode_congested - test whether an inode is congested @@ -843,14 +844,15 @@ static void bdi_split_work_to_wbs(struct backing_dev_info *bdi, struct wb_iter iter; might_sleep(); - - if (!bdi_has_dirty_io(bdi)) - return; restart: rcu_read_lock(); bdi_for_each_wb(wb, bdi, &iter, next_blkcg_id) { - if (!wb_has_dirty_io(wb) || - (skip_if_busy && writeback_in_progress(wb))) + /* SYNC_ALL writes out I_DIRTY_TIME too */ + if (!wb_has_dirty_io(wb) && + (base_work->sync_mode == WB_SYNC_NONE || + list_empty(&wb->b_dirty_time))) + continue; + if (skip_if_busy && writeback_in_progress(wb)) continue; base_work->nr_pages = wb_split_bdi_pages(wb, nr_pages); @@ -898,8 +900,7 @@ static void bdi_split_work_to_wbs(struct backing_dev_info *bdi, { might_sleep(); - if (bdi_has_dirty_io(bdi) && - (!skip_if_busy || !writeback_in_progress(&bdi->wb))) { + if (!skip_if_busy || !writeback_in_progress(&bdi->wb)) { base_work->auto_free = 0; base_work->single_wait = 0; base_work->single_done = 0; @@ -2274,8 +2275,12 @@ void sync_inodes_sb(struct super_block *sb) }; struct backing_dev_info *bdi = sb->s_bdi; - /* Nothing to do? */ - if (!bdi_has_dirty_io(bdi) || bdi == &noop_backing_dev_info) + /* + * Can't skip on !bdi_has_dirty() because we should wait for !dirty + * inodes under writeback and I_DIRTY_TIME inodes ignored by + * bdi_has_dirty() need to be written out too. + */ + if (bdi == &noop_backing_dev_info) return; WARN_ON(!rwsem_is_locked(&sb->s_umount)); diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 80cc1b35d460..ebb5e37455a0 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -2246,7 +2246,15 @@ static long fuse_dev_ioctl(struct file *file, unsigned int cmd, err = -EINVAL; if (old) { - struct fuse_dev *fud = fuse_get_dev(old); + struct fuse_dev *fud = NULL; + + /* + * Check against file->f_op because CUSE + * uses the same ioctl handler. + */ + if (old->f_op == file->f_op && + old->f_cred->user_ns == file->f_cred->user_ns) + fud = fuse_get_dev(old); if (fud) { mutex_lock(&fuse_mutex); diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 0cf74df68617..973c24ce59ad 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -1010,6 +1010,8 @@ struct file *hugetlb_file_setup(const char *name, size_t size, inode = hugetlbfs_get_inode(sb, NULL, S_IFREG | S_IRWXUGO, 0); if (!inode) goto out_dentry; + if (creat_flags == HUGETLB_SHMFS_INODE) + inode->i_flags |= S_PRIVATE; file = ERR_PTR(-ENOMEM); if (hugetlb_reserve_pages(inode, 0, diff --git a/fs/namei.c b/fs/namei.c index ae4e4c18b2ac..1c2105ed20c5 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -879,7 +879,7 @@ static inline int may_follow_link(struct nameidata *nd) return 0; /* Allowed if parent directory not sticky and world-writable. */ - parent = nd->path.dentry->d_inode; + parent = nd->inode; if ((parent->i_mode & (S_ISVTX|S_IWOTH)) != (S_ISVTX|S_IWOTH)) return 0; @@ -1954,8 +1954,13 @@ OK: continue; } } - if (unlikely(!d_can_lookup(nd->path.dentry))) + if (unlikely(!d_can_lookup(nd->path.dentry))) { + if (nd->flags & LOOKUP_RCU) { + if (unlazy_walk(nd, NULL, 0)) + return -ECHILD; + } return -ENOTDIR; + } } } diff --git a/fs/namespace.c b/fs/namespace.c index c7cb8a526c05..2b8aa15fd6df 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1361,6 +1361,36 @@ enum umount_tree_flags { UMOUNT_PROPAGATE = 2, UMOUNT_CONNECTED = 4, }; + +static bool disconnect_mount(struct mount *mnt, enum umount_tree_flags how) +{ + /* Leaving mounts connected is only valid for lazy umounts */ + if (how & UMOUNT_SYNC) + return true; + + /* A mount without a parent has nothing to be connected to */ + if (!mnt_has_parent(mnt)) + return true; + + /* Because the reference counting rules change when mounts are + * unmounted and connected, umounted mounts may not be + * connected to mounted mounts. + */ + if (!(mnt->mnt_parent->mnt.mnt_flags & MNT_UMOUNT)) + return true; + + /* Has it been requested that the mount remain connected? */ + if (how & UMOUNT_CONNECTED) + return false; + + /* Is the mount locked such that it needs to remain connected? */ + if (IS_MNT_LOCKED(mnt)) + return false; + + /* By default disconnect the mount */ + return true; +} + /* * mount_lock must be held * namespace_sem must be held for write @@ -1398,10 +1428,7 @@ static void umount_tree(struct mount *mnt, enum umount_tree_flags how) if (how & UMOUNT_SYNC) p->mnt.mnt_flags |= MNT_SYNC_UMOUNT; - disconnect = !(((how & UMOUNT_CONNECTED) && - mnt_has_parent(p) && - (p->mnt_parent->mnt.mnt_flags & MNT_UMOUNT)) || - IS_MNT_LOCKED_AND_LAZY(p)); + disconnect = disconnect_mount(p, how); pin_insert_group(&p->mnt_umount, &p->mnt_parent->mnt, disconnect ? &unmounted : NULL); @@ -1538,11 +1565,8 @@ void __detach_mounts(struct dentry *dentry) while (!hlist_empty(&mp->m_list)) { mnt = hlist_entry(mp->m_list.first, struct mount, mnt_mp_list); if (mnt->mnt.mnt_flags & MNT_UMOUNT) { - struct mount *p, *tmp; - list_for_each_entry_safe(p, tmp, &mnt->mnt_mounts, mnt_child) { - hlist_add_head(&p->mnt_umount.s_list, &unmounted); - umount_mnt(p); - } + hlist_add_head(&mnt->mnt_umount.s_list, &unmounted); + umount_mnt(mnt); } else umount_tree(mnt, UMOUNT_CONNECTED); } diff --git a/fs/nfs/client.c b/fs/nfs/client.c index ecebb406cc1a..4a90c9bb3135 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -775,7 +775,7 @@ static int nfs_init_server(struct nfs_server *server, server->options = data->options; server->caps |= NFS_CAP_HARDLINKS|NFS_CAP_SYMLINKS|NFS_CAP_FILEID| NFS_CAP_MODE|NFS_CAP_NLINK|NFS_CAP_OWNER|NFS_CAP_OWNER_GROUP| - NFS_CAP_ATIME|NFS_CAP_CTIME|NFS_CAP_MTIME|NFS_CAP_CHANGE_ATTR; + NFS_CAP_ATIME|NFS_CAP_CTIME|NFS_CAP_MTIME; if (data->rsize) server->rsize = nfs_block_size(data->rsize, NULL); diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index c12951b9551e..b3289d701eea 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -1852,7 +1852,7 @@ ff_layout_mirror_prepare_stats(struct nfs42_layoutstat_args *args, struct nfs42_layoutstat_devinfo *devinfo; int i; - for (i = 0; i <= FF_LAYOUT_MIRROR_COUNT(pls); i++) { + for (i = 0; i < FF_LAYOUT_MIRROR_COUNT(pls); i++) { if (*dev_count >= dev_limit) break; mirror = FF_LAYOUT_COMP(pls, i); diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index b77b328a06d7..0adc7d245b3d 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -442,8 +442,9 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR); if (fattr->valid & NFS_ATTR_FATTR_CHANGE) inode->i_version = fattr->change_attr; - else if (nfs_server_capable(inode, NFS_CAP_CHANGE_ATTR)) - nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR); + else + nfs_set_cache_invalid(inode, NFS_INO_INVALID_ATTR + | NFS_INO_REVAL_PAGECACHE); if (fattr->valid & NFS_ATTR_FATTR_SIZE) inode->i_size = nfs_size_to_loff_t(fattr->size); else @@ -1244,9 +1245,11 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat if (fattr->valid & NFS_ATTR_FATTR_SIZE) { cur_size = i_size_read(inode); new_isize = nfs_size_to_loff_t(fattr->size); - if (cur_size != new_isize && nfsi->nrequests == 0) + if (cur_size != new_isize) invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE; } + if (nfsi->nrequests != 0) + invalid &= ~NFS_INO_REVAL_PAGECACHE; /* Have any file permissions changed? */ if ((fattr->valid & NFS_ATTR_FATTR_MODE) && (inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO)) @@ -1684,13 +1687,12 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_DATA | NFS_INO_INVALID_ACCESS - | NFS_INO_INVALID_ACL - | NFS_INO_REVAL_PAGECACHE; + | NFS_INO_INVALID_ACL; if (S_ISDIR(inode->i_mode)) nfs_force_lookup_revalidate(inode); inode->i_version = fattr->change_attr; } - } else if (server->caps & NFS_CAP_CHANGE_ATTR) + } else nfsi->cache_validity |= save_cache_validity; if (fattr->valid & NFS_ATTR_FATTR_MTIME) { @@ -1717,7 +1719,6 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) if ((nfsi->nrequests == 0) || new_isize > cur_isize) { i_size_write(inode, new_isize); invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA; - invalid &= ~NFS_INO_REVAL_PAGECACHE; } dprintk("NFS: isize change on server for file %s/%ld " "(%Ld to %Ld)\n", diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 7e3c4604bea8..9b372b845f6a 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -296,6 +296,22 @@ extern struct rpc_procinfo nfs4_procedures[]; #ifdef CONFIG_NFS_V4_SECURITY_LABEL extern struct nfs4_label *nfs4_label_alloc(struct nfs_server *server, gfp_t flags); +static inline struct nfs4_label * +nfs4_label_copy(struct nfs4_label *dst, struct nfs4_label *src) +{ + if (!dst || !src) + return NULL; + + if (src->len > NFS4_MAXLABELLEN) + return NULL; + + dst->lfs = src->lfs; + dst->pi = src->pi; + dst->len = src->len; + memcpy(dst->label, src->label, src->len); + + return dst; +} static inline void nfs4_label_free(struct nfs4_label *label) { if (label) { @@ -316,6 +332,11 @@ static inline void nfs4_label_free(void *label) {} static inline void nfs_zap_label_cache_locked(struct nfs_inode *nfsi) { } +static inline struct nfs4_label * +nfs4_label_copy(struct nfs4_label *dst, struct nfs4_label *src) +{ + return NULL; +} #endif /* CONFIG_NFS_V4_SECURITY_LABEL */ /* proc.c */ diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index f486b80f927a..d731bbf974aa 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -135,7 +135,7 @@ int nfs42_proc_deallocate(struct file *filep, loff_t offset, loff_t len) return err; } -loff_t nfs42_proc_llseek(struct file *filep, loff_t offset, int whence) +static loff_t _nfs42_proc_llseek(struct file *filep, loff_t offset, int whence) { struct inode *inode = file_inode(filep); struct nfs42_seek_args args = { @@ -171,6 +171,23 @@ loff_t nfs42_proc_llseek(struct file *filep, loff_t offset, int whence) return vfs_setpos(filep, res.sr_offset, inode->i_sb->s_maxbytes); } +loff_t nfs42_proc_llseek(struct file *filep, loff_t offset, int whence) +{ + struct nfs_server *server = NFS_SERVER(file_inode(filep)); + struct nfs4_exception exception = { }; + int err; + + do { + err = _nfs42_proc_llseek(filep, offset, whence); + if (err == -ENOTSUPP) + return -EOPNOTSUPP; + err = nfs4_handle_exception(server, err, &exception); + } while (exception.retry); + + return err; +} + + static void nfs42_layoutstat_prepare(struct rpc_task *task, void *calldata) { diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 8bee93469617..3acb1eb72930 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -467,7 +467,10 @@ static void do_renew_lease(struct nfs_client *clp, unsigned long timestamp) static void renew_lease(const struct nfs_server *server, unsigned long timestamp) { - do_renew_lease(server->nfs_client, timestamp); + struct nfs_client *clp = server->nfs_client; + + if (!nfs4_has_session(clp)) + do_renew_lease(clp, timestamp); } struct nfs4_call_sync_data { @@ -616,8 +619,7 @@ int nfs41_sequence_done(struct rpc_task *task, struct nfs4_sequence_res *res) clp = session->clp; do_renew_lease(clp, res->sr_timestamp); /* Check sequence flags */ - if (res->sr_status_flags != 0) - nfs4_schedule_lease_recovery(clp); + nfs41_handle_sequence_flag_errors(clp, res->sr_status_flags); nfs41_update_target_slotid(slot->table, slot, res); break; case 1: @@ -910,6 +912,7 @@ struct nfs4_opendata { struct nfs_open_confirmres c_res; struct nfs4_string owner_name; struct nfs4_string group_name; + struct nfs4_label *a_label; struct nfs_fattr f_attr; struct nfs4_label *f_label; struct dentry *dir; @@ -1013,6 +1016,10 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, if (IS_ERR(p->f_label)) goto err_free_p; + p->a_label = nfs4_label_alloc(server, gfp_mask); + if (IS_ERR(p->a_label)) + goto err_free_f; + alloc_seqid = server->nfs_client->cl_mvops->alloc_seqid; p->o_arg.seqid = alloc_seqid(&sp->so_seqid, gfp_mask); if (IS_ERR(p->o_arg.seqid)) @@ -1041,7 +1048,7 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, p->o_arg.server = server; p->o_arg.bitmask = nfs4_bitmask(server, label); p->o_arg.open_bitmap = &nfs4_fattr_bitmap[0]; - p->o_arg.label = label; + p->o_arg.label = nfs4_label_copy(p->a_label, label); p->o_arg.claim = nfs4_map_atomic_open_claim(server, claim); switch (p->o_arg.claim) { case NFS4_OPEN_CLAIM_NULL: @@ -1074,6 +1081,8 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, return p; err_free_label: + nfs4_label_free(p->a_label); +err_free_f: nfs4_label_free(p->f_label); err_free_p: kfree(p); @@ -1093,6 +1102,7 @@ static void nfs4_opendata_free(struct kref *kref) nfs4_put_open_state(p->state); nfs4_put_state_owner(p->owner); + nfs4_label_free(p->a_label); nfs4_label_free(p->f_label); dput(p->dir); @@ -1198,12 +1208,15 @@ static bool nfs_need_update_open_stateid(struct nfs4_state *state, static void nfs_resync_open_stateid_locked(struct nfs4_state *state) { + if (!(state->n_wronly || state->n_rdonly || state->n_rdwr)) + return; if (state->n_wronly) set_bit(NFS_O_WRONLY_STATE, &state->flags); if (state->n_rdonly) set_bit(NFS_O_RDONLY_STATE, &state->flags); if (state->n_rdwr) set_bit(NFS_O_RDWR_STATE, &state->flags); + set_bit(NFS_OPEN_STATE, &state->flags); } static void nfs_clear_open_stateid_locked(struct nfs4_state *state, @@ -7571,13 +7584,8 @@ static int nfs4_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred) goto out; } ret = rpc_wait_for_completion_task(task); - if (!ret) { - struct nfs4_sequence_res *res = task->tk_msg.rpc_resp; - - if (task->tk_status == 0) - nfs41_handle_sequence_flag_errors(clp, res->sr_status_flags); + if (!ret) ret = task->tk_status; - } rpc_put_task(task); out: dprintk("<-- %s status=%d\n", __func__, ret); @@ -7965,16 +7973,17 @@ static void nfs4_layoutreturn_release(void *calldata) { struct nfs4_layoutreturn *lrp = calldata; struct pnfs_layout_hdr *lo = lrp->args.layout; + LIST_HEAD(freeme); dprintk("--> %s\n", __func__); spin_lock(&lo->plh_inode->i_lock); if (lrp->res.lrs_present) pnfs_set_layout_stateid(lo, &lrp->res.stateid, true); + pnfs_mark_matching_lsegs_invalid(lo, &freeme, &lrp->args.range); pnfs_clear_layoutreturn_waitbit(lo); - clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, &lo->plh_flags); - rpc_wake_up(&NFS_SERVER(lo->plh_inode)->roc_rpcwaitq); lo->plh_block_lgets--; spin_unlock(&lo->plh_inode->i_lock); + pnfs_free_lseg_list(&freeme); pnfs_put_layout_hdr(lrp->args.layout); nfs_iput_and_deactive(lrp->inode); kfree(calldata); @@ -8588,7 +8597,6 @@ static const struct nfs4_minor_version_ops nfs_v4_0_minor_ops = { .minor_version = 0, .init_caps = NFS_CAP_READDIRPLUS | NFS_CAP_ATOMIC_OPEN - | NFS_CAP_CHANGE_ATTR | NFS_CAP_POSIX_LOCK, .init_client = nfs40_init_client, .shutdown_client = nfs40_shutdown_client, @@ -8614,7 +8622,6 @@ static const struct nfs4_minor_version_ops nfs_v4_1_minor_ops = { .minor_version = 1, .init_caps = NFS_CAP_READDIRPLUS | NFS_CAP_ATOMIC_OPEN - | NFS_CAP_CHANGE_ATTR | NFS_CAP_POSIX_LOCK | NFS_CAP_STATEID_NFSV41 | NFS_CAP_ATOMIC_OPEN_V1, @@ -8637,7 +8644,6 @@ static const struct nfs4_minor_version_ops nfs_v4_2_minor_ops = { .minor_version = 2, .init_caps = NFS_CAP_READDIRPLUS | NFS_CAP_ATOMIC_OPEN - | NFS_CAP_CHANGE_ATTR | NFS_CAP_POSIX_LOCK | NFS_CAP_STATEID_NFSV41 | NFS_CAP_ATOMIC_OPEN_V1 diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 605840dc89cf..f2e2ad894461 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -2191,25 +2191,35 @@ static void nfs41_handle_server_reboot(struct nfs_client *clp) } } -static void nfs41_handle_state_revoked(struct nfs_client *clp) +static void nfs41_handle_all_state_revoked(struct nfs_client *clp) { nfs4_reset_all_state(clp); dprintk("%s: state revoked on server %s\n", __func__, clp->cl_hostname); } +static void nfs41_handle_some_state_revoked(struct nfs_client *clp) +{ + nfs4_state_mark_reclaim_helper(clp, nfs4_state_mark_reclaim_nograce); + nfs4_schedule_state_manager(clp); + + dprintk("%s: state revoked on server %s\n", __func__, clp->cl_hostname); +} + static void nfs41_handle_recallable_state_revoked(struct nfs_client *clp) { - /* This will need to handle layouts too */ - nfs_expire_all_delegations(clp); + /* FIXME: For now, we destroy all layouts. */ + pnfs_destroy_all_layouts(clp); + /* FIXME: For now, we test all delegations+open state+locks. */ + nfs41_handle_some_state_revoked(clp); dprintk("%s: Recallable state revoked on server %s!\n", __func__, clp->cl_hostname); } static void nfs41_handle_backchannel_fault(struct nfs_client *clp) { - nfs_expire_all_delegations(clp); - if (test_and_set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state) == 0) - nfs4_schedule_state_manager(clp); + set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state); + nfs4_schedule_state_manager(clp); + dprintk("%s: server %s declared a backchannel fault\n", __func__, clp->cl_hostname); } @@ -2231,10 +2241,11 @@ void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags) if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED) nfs41_handle_server_reboot(clp); - if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED | - SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED | + if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED)) + nfs41_handle_all_state_revoked(clp); + if (flags & (SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED | SEQ4_STATUS_ADMIN_STATE_REVOKED)) - nfs41_handle_state_revoked(clp); + nfs41_handle_some_state_revoked(clp); if (flags & SEQ4_STATUS_LEASE_MOVED) nfs4_schedule_lease_moved_recovery(clp); if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED) diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 1da68d3b1eda..4984bbe55ff1 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -1100,8 +1100,6 @@ static int nfs_do_recoalesce(struct nfs_pageio_descriptor *desc) mirror->pg_base = 0; mirror->pg_recoalesce = 0; - desc->pg_moreio = 0; - while (!list_empty(&head)) { struct nfs_page *req; @@ -1109,8 +1107,11 @@ static int nfs_do_recoalesce(struct nfs_pageio_descriptor *desc) nfs_list_remove_request(req); if (__nfs_pageio_add_request(desc, req)) continue; - if (desc->pg_error < 0) + if (desc->pg_error < 0) { + list_splice_tail(&head, &mirror->pg_list); + mirror->pg_recoalesce = 1; return 0; + } break; } } while (mirror->pg_recoalesce); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 0ba9a02c9566..70bf706b1090 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -352,7 +352,7 @@ pnfs_layout_need_return(struct pnfs_layout_hdr *lo, { struct pnfs_layout_segment *s; - if (!test_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) + if (!test_and_clear_bit(NFS_LSEG_LAYOUTRETURN, &lseg->pls_flags)) return false; list_for_each_entry(s, &lo->plh_segs, pls_list) @@ -362,6 +362,18 @@ pnfs_layout_need_return(struct pnfs_layout_hdr *lo, return true; } +static bool +pnfs_prepare_layoutreturn(struct pnfs_layout_hdr *lo) +{ + if (test_and_set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags)) + return false; + lo->plh_return_iomode = 0; + lo->plh_block_lgets++; + pnfs_get_layout_hdr(lo); + clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, &lo->plh_flags); + return true; +} + static void pnfs_layoutreturn_before_put_lseg(struct pnfs_layout_segment *lseg, struct pnfs_layout_hdr *lo, struct inode *inode) { @@ -372,17 +384,16 @@ static void pnfs_layoutreturn_before_put_lseg(struct pnfs_layout_segment *lseg, if (pnfs_layout_need_return(lo, lseg)) { nfs4_stateid stateid; enum pnfs_iomode iomode; + bool send; stateid = lo->plh_stateid; iomode = lo->plh_return_iomode; - /* decreased in pnfs_send_layoutreturn() */ - lo->plh_block_lgets++; - lo->plh_return_iomode = 0; + send = pnfs_prepare_layoutreturn(lo); spin_unlock(&inode->i_lock); - pnfs_get_layout_hdr(lo); - - /* Send an async layoutreturn so we dont deadlock */ - pnfs_send_layoutreturn(lo, stateid, iomode, false); + if (send) { + /* Send an async layoutreturn so we dont deadlock */ + pnfs_send_layoutreturn(lo, stateid, iomode, false); + } } else spin_unlock(&inode->i_lock); } @@ -411,6 +422,10 @@ pnfs_put_lseg(struct pnfs_layout_segment *lseg) pnfs_layoutreturn_before_put_lseg(lseg, lo, inode); if (atomic_dec_and_lock(&lseg->pls_refcount, &inode->i_lock)) { + if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags)) { + spin_unlock(&inode->i_lock); + return; + } pnfs_get_layout_hdr(lo); pnfs_layout_remove_lseg(lo, lseg); spin_unlock(&inode->i_lock); @@ -451,6 +466,8 @@ pnfs_put_lseg_locked(struct pnfs_layout_segment *lseg) test_bit(NFS_LSEG_VALID, &lseg->pls_flags)); if (atomic_dec_and_test(&lseg->pls_refcount)) { struct pnfs_layout_hdr *lo = lseg->pls_layout; + if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags)) + return; pnfs_get_layout_hdr(lo); pnfs_layout_remove_lseg(lo, lseg); pnfs_free_lseg_async(lseg); @@ -924,6 +941,7 @@ void pnfs_clear_layoutreturn_waitbit(struct pnfs_layout_hdr *lo) clear_bit_unlock(NFS_LAYOUT_RETURN, &lo->plh_flags); smp_mb__after_atomic(); wake_up_bit(&lo->plh_flags, NFS_LAYOUT_RETURN); + rpc_wake_up(&NFS_SERVER(lo->plh_inode)->roc_rpcwaitq); } static int @@ -978,6 +996,7 @@ _pnfs_return_layout(struct inode *ino) LIST_HEAD(tmp_list); nfs4_stateid stateid; int status = 0, empty; + bool send; dprintk("NFS: %s for inode %lu\n", __func__, ino->i_ino); @@ -1007,17 +1026,18 @@ _pnfs_return_layout(struct inode *ino) /* Don't send a LAYOUTRETURN if list was initially empty */ if (empty) { spin_unlock(&ino->i_lock); - pnfs_put_layout_hdr(lo); dprintk("NFS: %s no layout segments to return\n", __func__); - goto out; + goto out_put_layout_hdr; } set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags); - lo->plh_block_lgets++; + send = pnfs_prepare_layoutreturn(lo); spin_unlock(&ino->i_lock); pnfs_free_lseg_list(&tmp_list); - - status = pnfs_send_layoutreturn(lo, stateid, IOMODE_ANY, true); + if (send) + status = pnfs_send_layoutreturn(lo, stateid, IOMODE_ANY, true); +out_put_layout_hdr: + pnfs_put_layout_hdr(lo); out: dprintk("<-- %s status: %d\n", __func__, status); return status; @@ -1097,13 +1117,9 @@ bool pnfs_roc(struct inode *ino) out_noroc: if (lo) { stateid = lo->plh_stateid; - layoutreturn = - test_and_clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, - &lo->plh_flags); - if (layoutreturn) { - lo->plh_block_lgets++; - pnfs_get_layout_hdr(lo); - } + if (test_and_clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, + &lo->plh_flags)) + layoutreturn = pnfs_prepare_layoutreturn(lo); } spin_unlock(&ino->i_lock); if (layoutreturn) { @@ -1146,15 +1162,18 @@ bool pnfs_roc_drain(struct inode *ino, u32 *barrier, struct rpc_task *task) struct pnfs_layout_segment *lseg; nfs4_stateid stateid; u32 current_seqid; - bool found = false, layoutreturn = false; + bool layoutreturn = false; spin_lock(&ino->i_lock); - list_for_each_entry(lseg, &nfsi->layout->plh_segs, pls_list) - if (test_bit(NFS_LSEG_ROC, &lseg->pls_flags)) { - rpc_sleep_on(&NFS_SERVER(ino)->roc_rpcwaitq, task, NULL); - found = true; - goto out; - } + list_for_each_entry(lseg, &nfsi->layout->plh_segs, pls_list) { + if (!test_bit(NFS_LSEG_ROC, &lseg->pls_flags)) + continue; + if (test_bit(NFS_LSEG_VALID, &lseg->pls_flags)) + continue; + rpc_sleep_on(&NFS_SERVER(ino)->roc_rpcwaitq, task, NULL); + spin_unlock(&ino->i_lock); + return true; + } lo = nfsi->layout; current_seqid = be32_to_cpu(lo->plh_stateid.seqid); @@ -1162,23 +1181,19 @@ bool pnfs_roc_drain(struct inode *ino, u32 *barrier, struct rpc_task *task) * a barrier, we choose the worst-case barrier. */ *barrier = current_seqid + atomic_read(&lo->plh_outstanding); -out: - if (!found) { - stateid = lo->plh_stateid; - layoutreturn = - test_and_clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, - &lo->plh_flags); - if (layoutreturn) { - lo->plh_block_lgets++; - pnfs_get_layout_hdr(lo); - } - } + stateid = lo->plh_stateid; + if (test_and_clear_bit(NFS_LAYOUT_RETURN_BEFORE_CLOSE, + &lo->plh_flags)) + layoutreturn = pnfs_prepare_layoutreturn(lo); + if (test_bit(NFS_LAYOUT_RETURN, &lo->plh_flags)) + rpc_sleep_on(&NFS_SERVER(ino)->roc_rpcwaitq, task, NULL); + spin_unlock(&ino->i_lock); if (layoutreturn) { - rpc_sleep_on(&NFS_SERVER(ino)->roc_rpcwaitq, task, NULL); pnfs_send_layoutreturn(lo, stateid, IOMODE_ANY, false); + return true; } - return found; + return false; } /* @@ -1695,7 +1710,6 @@ void pnfs_error_mark_layout_for_return(struct inode *inode, spin_lock(&inode->i_lock); /* set failure bit so that pnfs path will be retried later */ pnfs_layout_set_fail_bit(lo, iomode); - set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags); if (lo->plh_return_iomode == 0) lo->plh_return_iomode = range.iomode; else if (lo->plh_return_iomode != range.iomode) @@ -2207,13 +2221,12 @@ pnfs_layoutcommit_inode(struct inode *inode, bool sync) if (ld->prepare_layoutcommit) { status = ld->prepare_layoutcommit(&data->args); if (status) { + put_rpccred(data->cred); spin_lock(&inode->i_lock); set_bit(NFS_INO_LAYOUTCOMMIT, &nfsi->flags); if (end_pos > nfsi->layout->plh_lwb) nfsi->layout->plh_lwb = end_pos; - spin_unlock(&inode->i_lock); - put_rpccred(data->cred); - goto clear_layoutcommitting; + goto out_unlock; } } diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 65869ca9c851..75a35a1afa79 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -1379,24 +1379,27 @@ static void nfs_writeback_check_extend(struct nfs_pgio_header *hdr, { struct nfs_pgio_args *argp = &hdr->args; struct nfs_pgio_res *resp = &hdr->res; + u64 size = argp->offset + resp->count; if (!(fattr->valid & NFS_ATTR_FATTR_SIZE)) + fattr->size = size; + if (nfs_size_to_loff_t(fattr->size) < i_size_read(hdr->inode)) { + fattr->valid &= ~NFS_ATTR_FATTR_SIZE; return; - if (argp->offset + resp->count != fattr->size) - return; - if (nfs_size_to_loff_t(fattr->size) < i_size_read(hdr->inode)) + } + if (size != fattr->size) return; /* Set attribute barrier */ nfs_fattr_set_barrier(fattr); + /* ...and update size */ + fattr->valid |= NFS_ATTR_FATTR_SIZE; } void nfs_writeback_update_inode(struct nfs_pgio_header *hdr) { - struct nfs_fattr *fattr = hdr->res.fattr; + struct nfs_fattr *fattr = &hdr->fattr; struct inode *inode = hdr->inode; - if (fattr == NULL) - return; spin_lock(&inode->i_lock); nfs_writeback_check_extend(hdr, fattr); nfs_post_op_update_inode_force_wcc_locked(inode, fattr); diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c index 6904213a4363..ebf90e487c75 100644 --- a/fs/nfsd/nfs4layouts.c +++ b/fs/nfsd/nfs4layouts.c @@ -212,6 +212,7 @@ nfsd4_alloc_layout_stateid(struct nfsd4_compound_state *cstate, BUG_ON(!ls->ls_file); if (nfsd4_layout_setlease(ls)) { + fput(ls->ls_file); put_nfs4_file(fp); kmem_cache_free(nfs4_layout_stateid_cache, ls); return NULL; diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 61dfb33f0559..95202719a1fd 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -4396,9 +4396,9 @@ laundromat_main(struct work_struct *laundry) queue_delayed_work(laundry_wq, &nn->laundromat_work, t*HZ); } -static inline __be32 nfs4_check_fh(struct svc_fh *fhp, struct nfs4_ol_stateid *stp) +static inline __be32 nfs4_check_fh(struct svc_fh *fhp, struct nfs4_stid *stp) { - if (!fh_match(&fhp->fh_handle, &stp->st_stid.sc_file->fi_fhandle)) + if (!fh_match(&fhp->fh_handle, &stp->sc_file->fi_fhandle)) return nfserr_bad_stateid; return nfs_ok; } @@ -4601,9 +4601,6 @@ nfs4_check_olstateid(struct svc_fh *fhp, struct nfs4_ol_stateid *ols, int flags) { __be32 status; - status = nfs4_check_fh(fhp, ols); - if (status) - return status; status = nfsd4_check_openowner_confirmed(ols); if (status) return status; @@ -4690,6 +4687,9 @@ nfs4_preprocess_stateid_op(struct svc_rqst *rqstp, status = nfserr_bad_stateid; break; } + if (status) + goto out; + status = nfs4_check_fh(fhp, s); done: if (!status && filpp) @@ -4798,7 +4798,7 @@ static __be32 nfs4_seqid_op_checks(struct nfsd4_compound_state *cstate, stateid_ status = check_stateid_generation(stateid, &stp->st_stid.sc_stateid, nfsd4_has_session(cstate)); if (status) return status; - return nfs4_check_fh(current_fh, stp); + return nfs4_check_fh(current_fh, &stp->st_stid); } /* diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 54633858733a..75e0563c09d1 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2143,6 +2143,7 @@ nfsd4_encode_aclname(struct xdr_stream *xdr, struct svc_rqst *rqstp, #define WORD0_ABSENT_FS_ATTRS (FATTR4_WORD0_FS_LOCATIONS | FATTR4_WORD0_FSID | \ FATTR4_WORD0_RDATTR_ERROR) #define WORD1_ABSENT_FS_ATTRS FATTR4_WORD1_MOUNTED_ON_FILEID +#define WORD2_ABSENT_FS_ATTRS 0 #ifdef CONFIG_NFSD_V4_SECURITY_LABEL static inline __be32 @@ -2171,7 +2172,7 @@ nfsd4_encode_security_label(struct xdr_stream *xdr, struct svc_rqst *rqstp, { return 0; } #endif -static __be32 fattr_handle_absent_fs(u32 *bmval0, u32 *bmval1, u32 *rdattr_err) +static __be32 fattr_handle_absent_fs(u32 *bmval0, u32 *bmval1, u32 *bmval2, u32 *rdattr_err) { /* As per referral draft: */ if (*bmval0 & ~WORD0_ABSENT_FS_ATTRS || @@ -2184,6 +2185,7 @@ static __be32 fattr_handle_absent_fs(u32 *bmval0, u32 *bmval1, u32 *rdattr_err) } *bmval0 &= WORD0_ABSENT_FS_ATTRS; *bmval1 &= WORD1_ABSENT_FS_ATTRS; + *bmval2 &= WORD2_ABSENT_FS_ATTRS; return 0; } @@ -2246,8 +2248,7 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, BUG_ON(bmval2 & ~nfsd_suppattrs2(minorversion)); if (exp->ex_fslocs.migrated) { - BUG_ON(bmval[2]); - status = fattr_handle_absent_fs(&bmval0, &bmval1, &rdattr_err); + status = fattr_handle_absent_fs(&bmval0, &bmval1, &bmval2, &rdattr_err); if (status) goto out; } @@ -2286,8 +2287,8 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, } #ifdef CONFIG_NFSD_V4_SECURITY_LABEL - if ((bmval[2] & FATTR4_WORD2_SECURITY_LABEL) || - bmval[0] & FATTR4_WORD0_SUPPORTED_ATTRS) { + if ((bmval2 & FATTR4_WORD2_SECURITY_LABEL) || + bmval0 & FATTR4_WORD0_SUPPORTED_ATTRS) { err = security_inode_getsecctx(d_inode(dentry), &context, &contextlen); contextsupport = (err == 0); diff --git a/fs/notify/mark.c b/fs/notify/mark.c index 92e48c70f0f0..39ddcaf0918f 100644 --- a/fs/notify/mark.c +++ b/fs/notify/mark.c @@ -412,16 +412,36 @@ void fsnotify_clear_marks_by_group_flags(struct fsnotify_group *group, unsigned int flags) { struct fsnotify_mark *lmark, *mark; + LIST_HEAD(to_free); + /* + * We have to be really careful here. Anytime we drop mark_mutex, e.g. + * fsnotify_clear_marks_by_inode() can come and free marks. Even in our + * to_free list so we have to use mark_mutex even when accessing that + * list. And freeing mark requires us to drop mark_mutex. So we can + * reliably free only the first mark in the list. That's why we first + * move marks to free to to_free list in one go and then free marks in + * to_free list one by one. + */ mutex_lock_nested(&group->mark_mutex, SINGLE_DEPTH_NESTING); list_for_each_entry_safe(mark, lmark, &group->marks_list, g_list) { - if (mark->flags & flags) { - fsnotify_get_mark(mark); - fsnotify_destroy_mark_locked(mark, group); - fsnotify_put_mark(mark); - } + if (mark->flags & flags) + list_move(&mark->g_list, &to_free); } mutex_unlock(&group->mark_mutex); + + while (1) { + mutex_lock_nested(&group->mark_mutex, SINGLE_DEPTH_NESTING); + if (list_empty(&to_free)) { + mutex_unlock(&group->mark_mutex); + break; + } + mark = list_first_entry(&to_free, struct fsnotify_mark, g_list); + fsnotify_get_mark(mark); + fsnotify_destroy_mark_locked(mark, group); + mutex_unlock(&group->mark_mutex); + fsnotify_put_mark(mark); + } } /* diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 1a35c6139656..0f5fd9db8194 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -685,7 +685,7 @@ static int ocfs2_direct_IO_zero_extend(struct ocfs2_super *osb, if (p_cpos && !(ext_flags & OCFS2_EXT_UNWRITTEN)) { u64 s = i_size_read(inode); - sector_t sector = (p_cpos << (osb->s_clustersize_bits - 9)) + + sector_t sector = ((u64)p_cpos << (osb->s_clustersize_bits - 9)) + (do_div(s, osb->s_clustersize) >> 9); ret = blkdev_issue_zeroout(osb->sb->s_bdev, sector, @@ -910,7 +910,7 @@ static ssize_t ocfs2_direct_IO_write(struct kiocb *iocb, BUG_ON(!p_cpos || (ext_flags & OCFS2_EXT_UNWRITTEN)); ret = blkdev_issue_zeroout(osb->sb->s_bdev, - p_cpos << (osb->s_clustersize_bits - 9), + (u64)p_cpos << (osb->s_clustersize_bits - 9), zero_len_head >> 9, GFP_NOFS, false); if (ret < 0) mlog_errno(ret); diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 8b23aa2f52dd..23157e40dd74 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -4025,9 +4025,13 @@ static void ocfs2_downconvert_thread_do_work(struct ocfs2_super *osb) osb->dc_work_sequence = osb->dc_wake_sequence; processed = osb->blocked_lock_count; - while (processed) { - BUG_ON(list_empty(&osb->blocked_lock_list)); - + /* + * blocked lock processing in this loop might call iput which can + * remove items off osb->blocked_lock_list. Downconvert up to + * 'processed' number of locks, but stop short if we had some + * removed in ocfs2_mark_lockres_freeing when downconverting. + */ + while (processed && !list_empty(&osb->blocked_lock_list)) { lockres = list_entry(osb->blocked_lock_list.next, struct ocfs2_lock_res, l_blocked_list); list_del_init(&lockres->l_blocked_list); diff --git a/fs/pnode.h b/fs/pnode.h index 7114ce6e6b9e..0fcdbe7ca648 100644 --- a/fs/pnode.h +++ b/fs/pnode.h @@ -20,8 +20,6 @@ #define SET_MNT_MARK(m) ((m)->mnt.mnt_flags |= MNT_MARKED) #define CLEAR_MNT_MARK(m) ((m)->mnt.mnt_flags &= ~MNT_MARKED) #define IS_MNT_LOCKED(m) ((m)->mnt.mnt_flags & MNT_LOCKED) -#define IS_MNT_LOCKED_AND_LAZY(m) \ - (((m)->mnt.mnt_flags & (MNT_LOCKED|MNT_SYNC_UMOUNT)) == MNT_LOCKED) #define CL_EXPIRE 0x01 #define CL_SLAVE 0x02 diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig index d751fcb637bb..1ade1206bb89 100644 --- a/fs/proc/Kconfig +++ b/fs/proc/Kconfig @@ -75,3 +75,9 @@ config PROC_PAGE_MONITOR config PROC_CHILDREN bool "Include /proc/<pid>/task/<tid>/children file" default n + help + Provides a fast way to retrieve first level children pids of a task. See + <file:Documentation/filesystems/proc.txt> for more information. + + Say Y if you are running any user-space software which takes benefit from + this interface. For example, rkt is such a piece of software. diff --git a/fs/proc/base.c b/fs/proc/base.c index 87782e874b6a..aa50d1ac28fc 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -243,6 +243,11 @@ static ssize_t proc_pid_cmdline_read(struct file *file, char __user *buf, len1 = arg_end - arg_start; len2 = env_end - env_start; + /* Empty ARGV. */ + if (len1 == 0) { + rv = 0; + goto out_free_page; + } /* * Inherently racy -- command line shares address space * with code and data. diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index 91a4e6426321..92e6726f6e37 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -92,7 +92,7 @@ static size_t get_kcore_size(int *nphdr, size_t *elf_buflen) roundup(sizeof(CORE_STR), 4)) + roundup(sizeof(struct elf_prstatus), 4) + roundup(sizeof(struct elf_prpsinfo), 4) + - roundup(sizeof(struct task_struct), 4); + roundup(arch_task_struct_size, 4); *elf_buflen = PAGE_ALIGN(*elf_buflen); return size + *elf_buflen; } @@ -415,7 +415,7 @@ static void elf_kcore_store_hdr(char *bufp, int nphdr, int dataoff) /* set up the task structure */ notes[2].name = CORE_STR; notes[2].type = NT_TASKSTRUCT; - notes[2].datasz = sizeof(struct task_struct); + notes[2].datasz = arch_task_struct_size; notes[2].data = current; nhdr->p_filesz += notesize(¬es[2]); diff --git a/fs/signalfd.c b/fs/signalfd.c index 7e412ad74836..270221fcef42 100644 --- a/fs/signalfd.c +++ b/fs/signalfd.c @@ -121,8 +121,9 @@ static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo, * Other callers might not initialize the si_lsb field, * so check explicitly for the right codes here. */ - if (kinfo->si_code == BUS_MCEERR_AR || - kinfo->si_code == BUS_MCEERR_AO) + if (kinfo->si_signo == SIGBUS && + (kinfo->si_code == BUS_MCEERR_AR || + kinfo->si_code == BUS_MCEERR_AO)) err |= __put_user((short) kinfo->si_addr_lsb, &uinfo->ssi_addr_lsb); #endif diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 6afac3d561ac..8d0b3ade0ff0 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1652,17 +1652,9 @@ static int udf_update_inode(struct inode *inode, int do_sync) iinfo->i_ext.i_data, inode->i_sb->s_blocksize - sizeof(struct unallocSpaceEntry)); use->descTag.tagIdent = cpu_to_le16(TAG_IDENT_USE); - use->descTag.tagLocation = - cpu_to_le32(iinfo->i_location.logicalBlockNum); - crclen = sizeof(struct unallocSpaceEntry) + - iinfo->i_lenAlloc - sizeof(struct tag); - use->descTag.descCRCLength = cpu_to_le16(crclen); - use->descTag.descCRC = cpu_to_le16(crc_itu_t(0, (char *)use + - sizeof(struct tag), - crclen)); - use->descTag.tagChecksum = udf_tag_checksum(&use->descTag); + crclen = sizeof(struct unallocSpaceEntry); - goto out; + goto finish; } if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_FORGET)) @@ -1782,6 +1774,8 @@ static int udf_update_inode(struct inode *inode, int do_sync) efe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EFE); crclen = sizeof(struct extendedFileEntry); } + +finish: if (iinfo->i_strat4096) { fe->icbTag.strategyType = cpu_to_le16(4096); fe->icbTag.strategyParameter = cpu_to_le16(1); @@ -1791,7 +1785,9 @@ static int udf_update_inode(struct inode *inode, int do_sync) fe->icbTag.numEntries = cpu_to_le16(1); } - if (S_ISDIR(inode->i_mode)) + if (iinfo->i_use) + fe->icbTag.fileType = ICBTAG_FILE_TYPE_USE; + else if (S_ISDIR(inode->i_mode)) fe->icbTag.fileType = ICBTAG_FILE_TYPE_DIRECTORY; else if (S_ISREG(inode->i_mode)) fe->icbTag.fileType = ICBTAG_FILE_TYPE_REGULAR; @@ -1828,7 +1824,6 @@ static int udf_update_inode(struct inode *inode, int do_sync) crclen)); fe->descTag.tagChecksum = udf_tag_checksum(&fe->descTag); -out: set_buffer_uptodate(bh); unlock_buffer(bh); diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c index 20de88d1bf86..dd714037c322 100644 --- a/fs/xfs/libxfs/xfs_attr_remote.c +++ b/fs/xfs/libxfs/xfs_attr_remote.c @@ -159,11 +159,10 @@ xfs_attr3_rmt_write_verify( struct xfs_buf *bp) { struct xfs_mount *mp = bp->b_target->bt_mount; - struct xfs_buf_log_item *bip = bp->b_fspriv; + int blksize = mp->m_attr_geo->blksize; char *ptr; int len; xfs_daddr_t bno; - int blksize = mp->m_attr_geo->blksize; /* no verification of non-crc buffers */ if (!xfs_sb_version_hascrc(&mp->m_sb)) @@ -175,16 +174,22 @@ xfs_attr3_rmt_write_verify( ASSERT(len >= blksize); while (len > 0) { + struct xfs_attr3_rmt_hdr *rmt = (struct xfs_attr3_rmt_hdr *)ptr; + if (!xfs_attr3_rmt_verify(mp, ptr, blksize, bno)) { xfs_buf_ioerror(bp, -EFSCORRUPTED); xfs_verifier_error(bp); return; } - if (bip) { - struct xfs_attr3_rmt_hdr *rmt; - rmt = (struct xfs_attr3_rmt_hdr *)ptr; - rmt->rm_lsn = cpu_to_be64(bip->bli_item.li_lsn); + /* + * Ensure we aren't writing bogus LSNs to disk. See + * xfs_attr3_rmt_hdr_set() for the explanation. + */ + if (rmt->rm_lsn != cpu_to_be64(NULLCOMMITLSN)) { + xfs_buf_ioerror(bp, -EFSCORRUPTED); + xfs_verifier_error(bp); + return; } xfs_update_cksum(ptr, blksize, XFS_ATTR3_RMT_CRC_OFF); @@ -221,6 +226,18 @@ xfs_attr3_rmt_hdr_set( rmt->rm_owner = cpu_to_be64(ino); rmt->rm_blkno = cpu_to_be64(bno); + /* + * Remote attribute blocks are written synchronously, so we don't + * have an LSN that we can stamp in them that makes any sense to log + * recovery. To ensure that log recovery handles overwrites of these + * blocks sanely (i.e. once they've been freed and reallocated as some + * other type of metadata) we need to ensure that the LSN has a value + * that tells log recovery to ignore the LSN and overwrite the buffer + * with whatever is in it's log. To do this, we use the magic + * NULLCOMMITLSN to indicate that the LSN is invalid. + */ + rmt->rm_lsn = cpu_to_be64(NULLCOMMITLSN); + return sizeof(struct xfs_attr3_rmt_hdr); } @@ -434,14 +451,21 @@ xfs_attr_rmtval_set( /* * Allocate a single extent, up to the size of the value. + * + * Note that we have to consider this a data allocation as we + * write the remote attribute without logging the contents. + * Hence we must ensure that we aren't using blocks that are on + * the busy list so that we don't overwrite blocks which have + * recently been freed but their transactions are not yet + * committed to disk. If we overwrite the contents of a busy + * extent and then crash then the block may not contain the + * correct metadata after log recovery occurs. */ xfs_bmap_init(args->flist, args->firstblock); nmap = 1; error = xfs_bmapi_write(args->trans, dp, (xfs_fileoff_t)lblkno, - blkcnt, - XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, - args->firstblock, args->total, &map, &nmap, - args->flist); + blkcnt, XFS_BMAPI_ATTRFORK, args->firstblock, + args->total, &map, &nmap, args->flist); if (!error) { error = xfs_bmap_finish(&args->trans, args->flist, &committed); diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index f0e8249722d4..db4acc1c3e73 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -1514,18 +1514,27 @@ xfs_filemap_fault( struct vm_area_struct *vma, struct vm_fault *vmf) { - struct xfs_inode *ip = XFS_I(file_inode(vma->vm_file)); + struct inode *inode = file_inode(vma->vm_file); int ret; - trace_xfs_filemap_fault(ip); + trace_xfs_filemap_fault(XFS_I(inode)); /* DAX can shortcut the normal fault path on write faults! */ - if ((vmf->flags & FAULT_FLAG_WRITE) && IS_DAX(VFS_I(ip))) + if ((vmf->flags & FAULT_FLAG_WRITE) && IS_DAX(inode)) return xfs_filemap_page_mkwrite(vma, vmf); - xfs_ilock(ip, XFS_MMAPLOCK_SHARED); - ret = filemap_fault(vma, vmf); - xfs_iunlock(ip, XFS_MMAPLOCK_SHARED); + xfs_ilock(XFS_I(inode), XFS_MMAPLOCK_SHARED); + if (IS_DAX(inode)) { + /* + * we do not want to trigger unwritten extent conversion on read + * faults - that is unnecessary overhead and would also require + * changes to xfs_get_blocks_direct() to map unwritten extent + * ioend for conversion on read-only mappings. + */ + ret = __dax_fault(vma, vmf, xfs_get_blocks_direct, NULL); + } else + ret = filemap_fault(vma, vmf); + xfs_iunlock(XFS_I(inode), XFS_MMAPLOCK_SHARED); return ret; } diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 01dd228ca05e..480ebba8464f 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -1886,9 +1886,14 @@ xlog_recover_get_buf_lsn( uuid = &((struct xfs_dir3_blk_hdr *)blk)->uuid; break; case XFS_ATTR3_RMT_MAGIC: - lsn = be64_to_cpu(((struct xfs_attr3_rmt_hdr *)blk)->rm_lsn); - uuid = &((struct xfs_attr3_rmt_hdr *)blk)->rm_uuid; - break; + /* + * Remote attr blocks are written synchronously, rather than + * being logged. That means they do not contain a valid LSN + * (i.e. transactionally ordered) in them, and hence any time we + * see a buffer to replay over the top of a remote attribute + * block we should simply do so. + */ + goto recover_immediately; case XFS_SB_MAGIC: lsn = be64_to_cpu(((struct xfs_dsb *)blk)->sb_lsn); uuid = &((struct xfs_dsb *)blk)->sb_uuid; diff --git a/include/acpi/acbuffer.h b/include/acpi/acbuffer.h index 6b040f4ddfab..fcf9080eae85 100644 --- a/include/acpi/acbuffer.h +++ b/include/acpi/acbuffer.h @@ -147,6 +147,7 @@ struct acpi_pld_info { * (Intended for BIOS use only) */ #define ACPI_PLD_REV1_BUFFER_SIZE 16 /* For Revision 1 of the buffer (From ACPI spec) */ +#define ACPI_PLD_REV2_BUFFER_SIZE 20 /* For Revision 2 of the buffer (From ACPI spec) */ #define ACPI_PLD_BUFFER_SIZE 20 /* For Revision 2 of the buffer (From ACPI spec) */ /* First 32-bit dword, bits 0:32 */ diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h index 03aacfb3e98b..e11611ca72a4 100644 --- a/include/acpi/acconfig.h +++ b/include/acpi/acconfig.h @@ -136,10 +136,6 @@ #define ACPI_ROOT_TABLE_SIZE_INCREMENT 4 -/* Maximum number of While() loop iterations before forced abort */ - -#define ACPI_MAX_LOOP_ITERATIONS 0xFFFF - /* Maximum sleep allowed via Sleep() operator */ #define ACPI_MAX_SLEEP 2000 /* 2000 millisec == two seconds */ diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h index 11c3a011dcbf..9f20eb4acaa6 100644 --- a/include/acpi/acexcep.h +++ b/include/acpi/acexcep.h @@ -192,8 +192,9 @@ struct acpi_exception_info { #define AE_AML_BAD_RESOURCE_LENGTH EXCEP_AML (0x001F) #define AE_AML_ILLEGAL_ADDRESS EXCEP_AML (0x0020) #define AE_AML_INFINITE_LOOP EXCEP_AML (0x0021) +#define AE_AML_UNINITIALIZED_NODE EXCEP_AML (0x0022) -#define AE_CODE_AML_MAX 0x0021 +#define AE_CODE_AML_MAX 0x0022 /* * Internal exceptions used for control @@ -355,7 +356,9 @@ static const struct acpi_exception_info acpi_gbl_exception_names_aml[] = { EXCEP_TXT("AE_AML_ILLEGAL_ADDRESS", "A memory, I/O, or PCI configuration address is invalid"), EXCEP_TXT("AE_AML_INFINITE_LOOP", - "An apparent infinite AML While loop, method was aborted") + "An apparent infinite AML While loop, method was aborted"), + EXCEP_TXT("AE_AML_UNINITIALIZED_NODE", + "A namespace node is uninitialized or unresolved") }; static const struct acpi_exception_info acpi_gbl_exception_names_ctrl[] = { diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h index f56de8c5d844..908d4f9c348c 100644 --- a/include/acpi/acoutput.h +++ b/include/acpi/acoutput.h @@ -88,7 +88,8 @@ #define ACPI_LV_DEBUG_OBJECT 0x00000002 #define ACPI_LV_INFO 0x00000004 #define ACPI_LV_REPAIR 0x00000008 -#define ACPI_LV_ALL_EXCEPTIONS 0x0000000F +#define ACPI_LV_TRACE_POINT 0x00000010 +#define ACPI_LV_ALL_EXCEPTIONS 0x0000001F /* Trace verbosity level 1 [Standard Trace Level] */ @@ -147,6 +148,7 @@ #define ACPI_DB_DEBUG_OBJECT ACPI_DEBUG_LEVEL (ACPI_LV_DEBUG_OBJECT) #define ACPI_DB_INFO ACPI_DEBUG_LEVEL (ACPI_LV_INFO) #define ACPI_DB_REPAIR ACPI_DEBUG_LEVEL (ACPI_LV_REPAIR) +#define ACPI_DB_TRACE_POINT ACPI_DEBUG_LEVEL (ACPI_LV_TRACE_POINT) #define ACPI_DB_ALL_EXCEPTIONS ACPI_DEBUG_LEVEL (ACPI_LV_ALL_EXCEPTIONS) /* Trace level -- also used in the global "DebugLevel" */ @@ -182,6 +184,20 @@ #define ACPI_NORMAL_DEFAULT (ACPI_LV_INIT | ACPI_LV_DEBUG_OBJECT | ACPI_LV_REPAIR) #define ACPI_DEBUG_ALL (ACPI_LV_AML_DISASSEMBLE | ACPI_LV_ALL_EXCEPTIONS | ACPI_LV_ALL) +/* + * Global trace flags + */ +#define ACPI_TRACE_ENABLED ((u32) 4) +#define ACPI_TRACE_ONESHOT ((u32) 2) +#define ACPI_TRACE_OPCODE ((u32) 1) + +/* Defaults for trace debugging level/layer */ + +#define ACPI_TRACE_LEVEL_ALL ACPI_LV_ALL +#define ACPI_TRACE_LAYER_ALL 0x000001FF +#define ACPI_TRACE_LEVEL_DEFAULT ACPI_LV_TRACE_POINT +#define ACPI_TRACE_LAYER_DEFAULT ACPI_EXECUTER + #if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES) /* * The module name is used primarily for error and debug messages. @@ -432,6 +448,8 @@ #define ACPI_DUMP_PATHNAME(a, b, c, d) acpi_ns_dump_pathname(a, b, c, d) #define ACPI_DUMP_BUFFER(a, b) acpi_ut_debug_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT) +#define ACPI_TRACE_POINT(a, b, c, d) acpi_trace_point (a, b, c, d) + #else /* ACPI_DEBUG_OUTPUT */ /* * This is the non-debug case -- make everything go away, @@ -453,6 +471,7 @@ #define ACPI_DUMP_PATHNAME(a, b, c, d) #define ACPI_DUMP_BUFFER(a, b) #define ACPI_IS_DEBUG_ENABLED(level, component) 0 +#define ACPI_TRACE_POINT(a, b, c, d) /* Return macros must have a return statement at the minimum */ diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 83061cac719b..5ba8fb64f664 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -16,10 +16,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h index ea6428b7dacb..29c691265b49 100644 --- a/include/acpi/acpi_drivers.h +++ b/include/acpi/acpi_drivers.h @@ -16,10 +16,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h index d02df0a49d98..a54ad1cc990c 100644 --- a/include/acpi/acpiosxf.h +++ b/include/acpi/acpiosxf.h @@ -430,4 +430,10 @@ long acpi_os_get_file_offset(ACPI_FILE file); acpi_status acpi_os_set_file_offset(ACPI_FILE file, long offset, u8 from); #endif +#ifndef ACPI_USE_ALTERNATE_PROTOTYPE_acpi_os_trace_point +void +acpi_os_trace_point(acpi_trace_event_type type, + u8 begin, u8 *aml, char *pathname); +#endif + #endif /* __ACPIOSXF_H__ */ diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index e8ec18a4a634..c33eeabde160 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -46,7 +46,7 @@ /* Current ACPICA subsystem version in YYYYMMDD format */ -#define ACPI_CA_VERSION 0x20150619 +#define ACPI_CA_VERSION 0x20150818 #include <acpi/acconfig.h> #include <acpi/actypes.h> @@ -251,7 +251,9 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE); * traced each time it is executed. */ ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0); -ACPI_INIT_GLOBAL(acpi_name, acpi_gbl_trace_method_name, 0); +ACPI_INIT_GLOBAL(const char *, acpi_gbl_trace_method_name, NULL); +ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_level, ACPI_TRACE_LEVEL_DEFAULT); +ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_dbg_layer, ACPI_TRACE_LAYER_DEFAULT); /* * Runtime configuration of debug output control masks. We want the debug @@ -504,7 +506,7 @@ ACPI_EXTERNAL_RETURN_STATUS(acpi_status acpi_object_handler handler, void **data)) ACPI_EXTERNAL_RETURN_STATUS(acpi_status - acpi_debug_trace(char *name, u32 debug_level, + acpi_debug_trace(const char *name, u32 debug_level, u32 debug_layer, u32 flags)) /* @@ -907,9 +909,17 @@ ACPI_DBG_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(6) const char *module_name, u32 component_id, const char *format, ...)) + +ACPI_DBG_DEPENDENT_RETURN_VOID(void + acpi_trace_point(acpi_trace_event_type type, + u8 begin, + u8 *aml, char *pathname)) ACPI_APP_DEPENDENT_RETURN_VOID(ACPI_PRINTF_LIKE(1) void ACPI_INTERNAL_VAR_XFACE acpi_log_error(const char *format, ...)) + acpi_status acpi_initialize_debugger(void); + +void acpi_terminate_debugger(void); /* * Divergences diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index a948fc586b9b..6e28f544b7b2 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -1186,20 +1186,29 @@ enum acpi_spmi_interface_types { * December 19, 2014 * * NOTE: There are two versions of the table with the same signature -- - * the client version and the server version. + * the client version and the server version. The common platform_class + * field is used to differentiate the two types of tables. * ******************************************************************************/ -struct acpi_table_tcpa_client { +struct acpi_table_tcpa_hdr { struct acpi_table_header header; /* Common ACPI table header */ u16 platform_class; +}; + +/* + * Values for platform_class above. + * This is how the client and server subtables are differentiated + */ +#define ACPI_TCPA_CLIENT_TABLE 0 +#define ACPI_TCPA_SERVER_TABLE 1 + +struct acpi_table_tcpa_client { u32 minimum_log_length; /* Minimum length for the event log area */ u64 log_address; /* Address of the event log area */ }; struct acpi_table_tcpa_server { - struct acpi_table_header header; /* Common ACPI table header */ - u16 platform_class; u16 reserved; u64 minimum_log_length; /* Minimum length for the event log area */ u64 log_address; /* Address of the event log area */ diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index c2a41d223162..f914958c4adb 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -662,6 +662,7 @@ typedef u32 acpi_object_type; #define ACPI_TYPE_DEBUG_OBJECT 0x10 #define ACPI_TYPE_EXTERNAL_MAX 0x10 +#define ACPI_NUM_TYPES (ACPI_TYPE_EXTERNAL_MAX + 1) /* * These are object types that do not map directly to the ACPI @@ -683,6 +684,7 @@ typedef u32 acpi_object_type; #define ACPI_TYPE_LOCAL_SCOPE 0x1B /* 1 Name, multiple object_list Nodes */ #define ACPI_TYPE_NS_NODE_MAX 0x1B /* Last typecode used within a NS Node */ +#define ACPI_TOTAL_TYPES (ACPI_TYPE_NS_NODE_MAX + 1) /* * These are special object types that never appear in @@ -985,7 +987,8 @@ struct acpi_buffer { */ #define ACPI_FULL_PATHNAME 0 #define ACPI_SINGLE_NAME 1 -#define ACPI_NAME_TYPE_MAX 1 +#define ACPI_FULL_PATHNAME_NO_TRAILING 2 +#define ACPI_NAME_TYPE_MAX 2 /* * Predefined Namespace items @@ -1246,6 +1249,14 @@ struct acpi_memory_list { #endif }; +/* Definitions of trace event types */ + +typedef enum { + ACPI_TRACE_AML_METHOD, + ACPI_TRACE_AML_OPCODE, + ACPI_TRACE_AML_REGION +} acpi_trace_event_type; + /* Definitions of _OSI support */ #define ACPI_VENDOR_STRINGS 0x01 diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h index 3cedd43943f4..ec00e2bb029e 100644 --- a/include/acpi/platform/acenv.h +++ b/include/acpi/platform/acenv.h @@ -70,13 +70,14 @@ #ifdef ACPI_ASL_COMPILER #define ACPI_APPLICATION -#define ACPI_DISASSEMBLER #define ACPI_DEBUG_OUTPUT #define ACPI_CONSTANT_EVAL_ONLY #define ACPI_LARGE_NAMESPACE_NODE #define ACPI_DATA_TABLE_DISASSEMBLY #define ACPI_SINGLE_THREADED #define ACPI_32BIT_PHYSICAL_ADDRESS + +#define ACPI_DISASSEMBLER 1 #endif /* acpi_exec configuration. Multithreaded with full AML debugger */ @@ -89,8 +90,8 @@ #endif /* - * acpi_bin/acpi_dump/acpi_help/acpi_names/acpi_src/acpi_xtract/Example configuration. - * All single threaded. + * acpi_bin/acpi_dump/acpi_help/acpi_names/acpi_src/acpi_xtract/Example + * configuration. All single threaded. */ #if (defined ACPI_BIN_APP) || \ (defined ACPI_DUMP_APP) || \ @@ -123,7 +124,7 @@ #define ACPI_USE_NATIVE_RSDP_POINTER #endif -/* acpi_dump configuration. Native mapping used if provied by OSPMs */ +/* acpi_dump configuration. Native mapping used if provided by the host */ #ifdef ACPI_DUMP_APP #define ACPI_USE_NATIVE_MEMORY_MAPPING @@ -151,12 +152,12 @@ #define ACPI_USE_LOCAL_CACHE #endif -/* Common debug support */ +/* Common debug/disassembler support */ #ifdef ACPI_FULL_DEBUG -#define ACPI_DEBUGGER #define ACPI_DEBUG_OUTPUT -#define ACPI_DISASSEMBLER +#define ACPI_DEBUGGER 1 +#define ACPI_DISASSEMBLER 1 #endif @@ -323,8 +324,8 @@ * ACPI_USE_STANDARD_HEADERS - Define this if linking to a C library and * the standard header files may be used. * - * The ACPICA subsystem only uses low level C library functions that do not call - * operating system services and may therefore be inlined in the code. + * The ACPICA subsystem only uses low level C library functions that do not + * call operating system services and may therefore be inlined in the code. * * It may be necessary to tailor these include files to the target * generation environment. diff --git a/include/acpi/platform/acenvex.h b/include/acpi/platform/acenvex.h index 0a7dc8e583b1..2f296cb5f7e2 100644 --- a/include/acpi/platform/acenvex.h +++ b/include/acpi/platform/acenvex.h @@ -56,6 +56,9 @@ #if defined(_LINUX) || defined(__linux__) #include <acpi/platform/aclinuxex.h> +#elif defined(WIN32) +#include "acwinex.h" + #elif defined(_AED_EFI) #include "acefiex.h" diff --git a/include/acpi/platform/acmsvcex.h b/include/acpi/platform/acmsvcex.h new file mode 100644 index 000000000000..b64797488775 --- /dev/null +++ b/include/acpi/platform/acmsvcex.h @@ -0,0 +1,54 @@ +/****************************************************************************** + * + * Name: acmsvcex.h - Extra VC specific defines, etc. + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2015, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#ifndef __ACMSVCEX_H__ +#define __ACMSVCEX_H__ + +/* Debug support. */ + +#ifdef _DEBUG +#define _CRTDBG_MAP_ALLOC /* Enables specific file/lineno for leaks */ +#include <crtdbg.h> +#endif + +#endif /* __ACMSVCEX_H__ */ diff --git a/include/acpi/platform/acwinex.h b/include/acpi/platform/acwinex.h new file mode 100644 index 000000000000..6ed1d713509b --- /dev/null +++ b/include/acpi/platform/acwinex.h @@ -0,0 +1,49 @@ +/****************************************************************************** + * + * Name: acwinex.h - Extra OS specific defines, etc. + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2015, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#ifndef __ACWINEX_H__ +#define __ACWINEX_H__ + +/* Windows uses VC */ + +#endif /* __ACWINEX_H__ */ diff --git a/include/acpi/processor.h b/include/acpi/processor.h index 4188a4d3b597..ff5f135f16b1 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -228,10 +228,7 @@ extern int acpi_processor_preregister_performance(struct extern int acpi_processor_register_performance(struct acpi_processor_performance *performance, unsigned int cpu); -extern void acpi_processor_unregister_performance(struct - acpi_processor_performance - *performance, - unsigned int cpu); +extern void acpi_processor_unregister_performance(unsigned int cpu); /* note: this locks both the calling module and the processor module if a _PPC object exists, rmmod is disallowed then */ @@ -318,6 +315,7 @@ int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id); void acpi_processor_set_pdc(acpi_handle handle); /* in processor_throttling.c */ +#ifdef CONFIG_ACPI_CPU_FREQ_PSS int acpi_processor_tstate_has_changed(struct acpi_processor *pr); int acpi_processor_get_throttling_info(struct acpi_processor *pr); extern int acpi_processor_set_throttling(struct acpi_processor *pr, @@ -330,14 +328,59 @@ extern void acpi_processor_reevaluate_tstate(struct acpi_processor *pr, unsigned long action); extern const struct file_operations acpi_processor_throttling_fops; extern void acpi_processor_throttling_init(void); +#else +static inline int acpi_processor_tstate_has_changed(struct acpi_processor *pr) +{ + return 0; +} + +static inline int acpi_processor_get_throttling_info(struct acpi_processor *pr) +{ + return -ENODEV; +} + +static inline int acpi_processor_set_throttling(struct acpi_processor *pr, + int state, bool force) +{ + return -ENODEV; +} + +static inline void acpi_processor_reevaluate_tstate(struct acpi_processor *pr, + unsigned long action) {} + +static inline void acpi_processor_throttling_init(void) {} +#endif /* CONFIG_ACPI_CPU_FREQ_PSS */ + /* in processor_idle.c */ +extern struct cpuidle_driver acpi_idle_driver; +#ifdef CONFIG_ACPI_PROCESSOR_IDLE int acpi_processor_power_init(struct acpi_processor *pr); int acpi_processor_power_exit(struct acpi_processor *pr); int acpi_processor_cst_has_changed(struct acpi_processor *pr); int acpi_processor_hotplug(struct acpi_processor *pr); -extern struct cpuidle_driver acpi_idle_driver; +#else +static inline int acpi_processor_power_init(struct acpi_processor *pr) +{ + return -ENODEV; +} + +static inline int acpi_processor_power_exit(struct acpi_processor *pr) +{ + return -ENODEV; +} + +static inline int acpi_processor_cst_has_changed(struct acpi_processor *pr) +{ + return -ENODEV; +} -#ifdef CONFIG_PM_SLEEP +static inline int acpi_processor_hotplug(struct acpi_processor *pr) +{ + return -ENODEV; +} +#endif /* CONFIG_ACPI_PROCESSOR_IDLE */ + +#if defined(CONFIG_PM_SLEEP) & defined(CONFIG_ACPI_PROCESSOR_IDLE) void acpi_processor_syscore_init(void); void acpi_processor_syscore_exit(void); #else @@ -348,7 +391,7 @@ static inline void acpi_processor_syscore_exit(void) {} /* in processor_thermal.c */ int acpi_processor_get_limit_info(struct acpi_processor *pr); extern const struct thermal_cooling_device_ops processor_cooling_ops; -#ifdef CONFIG_CPU_FREQ +#if defined(CONFIG_ACPI_CPU_FREQ_PSS) & defined(CONFIG_CPU_FREQ) void acpi_thermal_cpufreq_init(void); void acpi_thermal_cpufreq_exit(void); #else @@ -360,6 +403,6 @@ static inline void acpi_thermal_cpufreq_exit(void) { return; } -#endif +#endif /* CONFIG_ACPI_CPU_FREQ_PSS */ #endif diff --git a/include/asm-generic/mm-arch-hooks.h b/include/asm-generic/mm-arch-hooks.h new file mode 100644 index 000000000000..5ff0e5193f85 --- /dev/null +++ b/include/asm-generic/mm-arch-hooks.h @@ -0,0 +1,16 @@ +/* + * Architecture specific mm hooks + */ + +#ifndef _ASM_GENERIC_MM_ARCH_HOOKS_H +#define _ASM_GENERIC_MM_ARCH_HOOKS_H + +/* + * This file should be included through arch/../include/asm/Kbuild for + * the architecture which doesn't need specific mm hooks. + * + * In that case, the generic hooks defined in include/linux/mm-arch-hooks.h + * are used. + */ + +#endif /* _ASM_GENERIC_MM_ARCH_HOOKS_H */ diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 48db6a56975f..5aa519711e0b 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -691,7 +691,7 @@ struct drm_vblank_crtc { struct timer_list disable_timer; /* delayed disable timer */ /* vblank counter, protected by dev->vblank_time_lock for writes */ - unsigned long count; + u32 count; /* vblank timestamps, protected by dev->vblank_time_lock for writes */ struct timeval time[DRM_VBLANKTIME_RBSIZE]; diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 57ca8cc383a6..3b4d8a4a23fb 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -743,8 +743,6 @@ struct drm_connector { uint8_t num_h_tile, num_v_tile; uint8_t tile_h_loc, tile_v_loc; uint16_t tile_h_size, tile_v_size; - - struct list_head destroy_list; }; /** diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h index c8fc187061de..918aa68b5199 100644 --- a/include/drm/drm_crtc_helper.h +++ b/include/drm/drm_crtc_helper.h @@ -168,6 +168,7 @@ struct drm_encoder_helper_funcs { * @get_modes: get mode list for this connector * @mode_valid: is this mode valid on the given connector? (optional) * @best_encoder: return the preferred encoder for this connector + * @atomic_best_encoder: atomic version of @best_encoder * * The helper operations are called by the mid-layer CRTC helper. */ @@ -176,6 +177,8 @@ struct drm_connector_helper_funcs { enum drm_mode_status (*mode_valid)(struct drm_connector *connector, struct drm_display_mode *mode); struct drm_encoder *(*best_encoder)(struct drm_connector *connector); + struct drm_encoder *(*atomic_best_encoder)(struct drm_connector *connector, + struct drm_connector_state *connector_state); }; extern void drm_helper_disable_unused_functions(struct drm_device *dev); diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 799050198323..53c53c459b15 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -348,6 +348,25 @@ static inline int drm_eld_mnl(const uint8_t *eld) } /** + * drm_eld_sad - Get ELD SAD structures. + * @eld: pointer to an eld memory structure with sad_count set + */ +static inline const uint8_t *drm_eld_sad(const uint8_t *eld) +{ + unsigned int ver, mnl; + + ver = (eld[DRM_ELD_VER] & DRM_ELD_VER_MASK) >> DRM_ELD_VER_SHIFT; + if (ver != 2 && ver != 31) + return NULL; + + mnl = drm_eld_mnl(eld); + if (mnl > 16) + return NULL; + + return eld + DRM_ELD_CEA_SAD(mnl, 0); +} + +/** * drm_eld_sad_count - Get ELD SAD count. * @eld: pointer to an eld memory structure with sad_count set */ diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index 45c39a37f924..8bc073d297db 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -172,6 +172,7 @@ {0x1002, 0x6610, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6611, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6613, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6617, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6620, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6621, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6623, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_OLAND|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ diff --git a/include/linux/acpi.h b/include/linux/acpi.h index d2445fa9999f..7235c4851460 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -15,10 +15,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ @@ -221,7 +217,7 @@ struct pci_dev; int acpi_pci_irq_enable (struct pci_dev *dev); void acpi_penalize_isa_irq(int irq, int active); - +void acpi_penalize_sci_irq(int irq, int trigger, int polarity); void acpi_pci_irq_disable (struct pci_dev *dev); extern int ec_read(u8 addr, u8 *val); diff --git a/include/linux/amba/sp810.h b/include/linux/amba/sp810.h index c7df89f99115..58fe9e8b6fd7 100644 --- a/include/linux/amba/sp810.h +++ b/include/linux/amba/sp810.h @@ -2,7 +2,7 @@ * ARM PrimeXsys System Controller SP810 header file * * Copyright (C) 2009 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/include/linux/ata.h b/include/linux/ata.h index fed36418dd1c..d2992bfa1706 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -45,6 +45,7 @@ enum { ATA_SECT_SIZE = 512, ATA_MAX_SECTORS_128 = 128, ATA_MAX_SECTORS = 256, + ATA_MAX_SECTORS_1024 = 1024, ATA_MAX_SECTORS_LBA48 = 65535,/* TODO: 65536? */ ATA_MAX_SECTORS_TAPE = 65535, @@ -384,8 +385,6 @@ enum { SATA_SSP = 0x06, /* Software Settings Preservation */ SATA_DEVSLP = 0x09, /* Device Sleep */ - SETFEATURE_SENSE_DATA = 0xC3, /* Sense Data Reporting feature */ - /* feature values for SET_MAX */ ATA_SET_MAX_ADDR = 0x00, ATA_SET_MAX_PASSWD = 0x01, @@ -529,8 +528,6 @@ struct ata_bmdma_prd { #define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20) #define ata_id_has_da(id) ((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4)) #define ata_id_has_devslp(id) ((id)[ATA_ID_FEATURE_SUPP] & (1 << 8)) -#define ata_id_has_ncq_autosense(id) \ - ((id)[ATA_ID_FEATURE_SUPP] & (1 << 7)) static inline bool ata_id_has_hipm(const u16 *id) { @@ -719,20 +716,6 @@ static inline bool ata_id_has_read_log_dma_ext(const u16 *id) return false; } -static inline bool ata_id_has_sense_reporting(const u16 *id) -{ - if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15))) - return false; - return id[ATA_ID_COMMAND_SET_3] & (1 << 6); -} - -static inline bool ata_id_sense_reporting_enabled(const u16 *id) -{ - if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15))) - return false; - return id[ATA_ID_COMMAND_SET_4] & (1 << 6); -} - /** * ata_id_major_version - get ATA level of drive * @id: Identify data diff --git a/include/linux/clkdev.h b/include/linux/clkdev.h index a240b18e86fa..08bffcc466de 100644 --- a/include/linux/clkdev.h +++ b/include/linux/clkdev.h @@ -33,18 +33,19 @@ struct clk_lookup { } struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, - const char *dev_fmt, ...); + const char *dev_fmt, ...) __printf(3, 4); void clkdev_add(struct clk_lookup *cl); void clkdev_drop(struct clk_lookup *cl); struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id, - const char *dev_fmt, ...); + const char *dev_fmt, ...) __printf(3, 4); void clkdev_add_table(struct clk_lookup *, size_t); int clk_add_alias(const char *, const char *, const char *, struct device *); -int clk_register_clkdev(struct clk *, const char *, const char *, ...); +int clk_register_clkdev(struct clk *, const char *, const char *, ...) + __printf(3, 4); int clk_register_clkdevs(struct clk *, struct clk_lookup *, size_t); #ifdef CONFIG_COMMON_CLK diff --git a/include/linux/compat.h b/include/linux/compat.h index ab25814690bc..a76c9172b2eb 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -424,7 +424,7 @@ asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); -extern int compat_printk(const char *fmt, ...); +extern __printf(1, 2) int compat_printk(const char *fmt, ...); extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat); extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set); diff --git a/include/linux/configfs.h b/include/linux/configfs.h index c9e5c57e4edf..63a36e89d0eb 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -64,7 +64,8 @@ struct config_item { struct dentry *ci_dentry; }; -extern int config_item_set_name(struct config_item *, const char *, ...); +extern __printf(2, 3) +int config_item_set_name(struct config_item *, const char *, ...); static inline char *config_item_name(struct config_item * item) { diff --git a/include/linux/cper.h b/include/linux/cper.h index 76abba4b238e..dcacb1a72e26 100644 --- a/include/linux/cper.h +++ b/include/linux/cper.h @@ -340,7 +340,27 @@ struct cper_ia_proc_ctx { __u64 mm_reg_addr; }; -/* Memory Error Section */ +/* Old Memory Error Section UEFI 2.1, 2.2 */ +struct cper_sec_mem_err_old { + __u64 validation_bits; + __u64 error_status; + __u64 physical_addr; + __u64 physical_addr_mask; + __u16 node; + __u16 card; + __u16 module; + __u16 bank; + __u16 device; + __u16 row; + __u16 column; + __u16 bit_pos; + __u64 requestor_id; + __u64 responder_id; + __u64 target_id; + __u8 error_type; +}; + +/* Memory Error Section UEFI >= 2.3 */ struct cper_sec_mem_err { __u64 validation_bits; __u64 error_status; diff --git a/include/linux/cpu.h b/include/linux/cpu.h index c0fb6b1b4712..23c30bdcca86 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -40,9 +40,10 @@ extern void cpu_remove_dev_attr(struct device_attribute *attr); extern int cpu_add_dev_attr_group(struct attribute_group *attrs); extern void cpu_remove_dev_attr_group(struct attribute_group *attrs); -extern struct device *cpu_device_create(struct device *parent, void *drvdata, - const struct attribute_group **groups, - const char *fmt, ...); +extern __printf(4, 5) +struct device *cpu_device_create(struct device *parent, void *drvdata, + const struct attribute_group **groups, + const char *fmt, ...); #ifdef CONFIG_HOTPLUG_CPU extern void unregister_cpu(struct cpu *cpu); extern ssize_t arch_cpu_probe(const char *, size_t); diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 29ad97c34fd5..430efcbea48e 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -51,17 +51,16 @@ struct cpufreq_cpuinfo { unsigned int transition_latency; }; -struct cpufreq_real_policy { +struct cpufreq_user_policy { unsigned int min; /* in kHz */ unsigned int max; /* in kHz */ - unsigned int policy; /* see above */ - struct cpufreq_governor *governor; /* see below */ }; struct cpufreq_policy { /* CPUs sharing clock, require sw coordination */ cpumask_var_t cpus; /* Online CPUs only */ cpumask_var_t related_cpus; /* Online + Offline CPUs */ + cpumask_var_t real_cpus; /* Related and present */ unsigned int shared_type; /* ACPI: ANY or ALL affected CPUs should set cpufreq */ @@ -87,7 +86,7 @@ struct cpufreq_policy { struct work_struct update; /* if update_policy() needs to be * called, but you're in IRQ context */ - struct cpufreq_real_policy user_policy; + struct cpufreq_user_policy user_policy; struct cpufreq_frequency_table *freq_table; struct list_head policy_list; @@ -368,11 +367,10 @@ static inline void cpufreq_resume(void) {} /* Policy Notifiers */ #define CPUFREQ_ADJUST (0) -#define CPUFREQ_INCOMPATIBLE (1) -#define CPUFREQ_NOTIFY (2) -#define CPUFREQ_START (3) -#define CPUFREQ_CREATE_POLICY (4) -#define CPUFREQ_REMOVE_POLICY (5) +#define CPUFREQ_NOTIFY (1) +#define CPUFREQ_START (2) +#define CPUFREQ_CREATE_POLICY (3) +#define CPUFREQ_REMOVE_POLICY (4) #ifdef CONFIG_CPU_FREQ int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list); @@ -577,6 +575,8 @@ ssize_t cpufreq_show_cpus(const struct cpumask *mask, char *buf); int cpufreq_boost_trigger_state(int state); int cpufreq_boost_supported(void); int cpufreq_boost_enabled(void); +int cpufreq_enable_boost_support(void); +bool policy_has_boost_freq(struct cpufreq_policy *policy); #else static inline int cpufreq_boost_trigger_state(int state) { @@ -590,12 +590,23 @@ static inline int cpufreq_boost_enabled(void) { return 0; } + +static inline int cpufreq_enable_boost_support(void) +{ + return -EINVAL; +} + +static inline bool policy_has_boost_freq(struct cpufreq_policy *policy) +{ + return false; +} #endif /* the following funtion is for cpufreq core use only */ struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu); /* the following are really really optional */ extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs; +extern struct freq_attr cpufreq_freq_attr_scaling_boost_freqs; extern struct freq_attr *cpufreq_generic_attr[]; int cpufreq_table_validate_and_show(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table); diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index d075d34279df..786ad32631a6 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -84,7 +84,6 @@ struct cpuidle_device { struct list_head device_list; #ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED - int safe_state_index; cpumask_t coupled_cpus; struct cpuidle_coupled *coupled; #endif diff --git a/include/linux/dcache.h b/include/linux/dcache.h index d2d50249b7b2..d67ae119cf4e 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -327,7 +327,8 @@ static inline unsigned d_count(const struct dentry *dentry) /* * helper function for dentry_operations.d_dname() members */ -extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...); +extern __printf(4, 5) +char *dynamic_dname(struct dentry *, char *, int, const char *, ...); extern char *simple_dname(struct dentry *, char *, int); extern char *__d_path(const struct path *, const struct path *, char *, int); diff --git a/include/linux/device.h b/include/linux/device.h index 5a31bf3a4024..9d212fee4158 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -637,8 +637,9 @@ extern int devres_release_group(struct device *dev, void *id); /* managed devm_k.alloc/kfree for device drivers */ extern void *devm_kmalloc(struct device *dev, size_t size, gfp_t gfp); -extern char *devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, - va_list ap); +extern __printf(3, 0) +char *devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, + va_list ap); extern __printf(3, 4) char *devm_kasprintf(struct device *dev, gfp_t gfp, const char *fmt, ...); static inline void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp) @@ -958,6 +959,8 @@ extern int __must_check device_add(struct device *dev); extern void device_del(struct device *dev); extern int device_for_each_child(struct device *dev, void *data, int (*fn)(struct device *dev, void *data)); +extern int device_for_each_child_reverse(struct device *dev, void *data, + int (*fn)(struct device *dev, void *data)); extern struct device *device_find_child(struct device *dev, void *data, int (*match)(struct device *dev, void *data)); extern int device_rename(struct device *dev, const char *new_name); @@ -1011,12 +1014,10 @@ extern int __must_check device_reprobe(struct device *dev); /* * Easy functions for dynamically creating devices on the fly */ -extern struct device *device_create_vargs(struct class *cls, - struct device *parent, - dev_t devt, - void *drvdata, - const char *fmt, - va_list vargs); +extern __printf(5, 0) +struct device *device_create_vargs(struct class *cls, struct device *parent, + dev_t devt, void *drvdata, + const char *fmt, va_list vargs); extern __printf(5, 6) struct device *device_create(struct class *cls, struct device *parent, dev_t devt, void *drvdata, diff --git a/include/linux/fs.h b/include/linux/fs.h index cc008c338f5a..84b783f277f7 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -55,7 +55,8 @@ struct vm_fault; extern void __init inode_init(void); extern void __init inode_init_early(void); -extern void __init files_init(unsigned long); +extern void __init files_init(void); +extern void __init files_maxfiles_init(void); extern struct files_stat_struct files_stat; extern unsigned long get_max_files(void); @@ -2245,7 +2246,7 @@ extern int ioctl_preallocate(struct file *filp, void __user *argp); /* fs/dcache.c */ extern void __init vfs_caches_init_early(void); -extern void __init vfs_caches_init(unsigned long); +extern void __init vfs_caches_init(void); extern struct kmem_cache *names_cachep; diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 1da602982cf9..6cd8c0ee4b6f 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -116,6 +116,7 @@ ftrace_func_t ftrace_ops_get_func(struct ftrace_ops *ops); * SAVE_REGS. If another ops with this flag set is already registered * for any of the functions that this ops will be registered for, then * this ops will fail to register or set_filter_ip. + * PID - Is affected by set_ftrace_pid (allows filtering on those pids) */ enum { FTRACE_OPS_FL_ENABLED = 1 << 0, @@ -132,6 +133,7 @@ enum { FTRACE_OPS_FL_MODIFYING = 1 << 11, FTRACE_OPS_FL_ALLOC_TRAMP = 1 << 12, FTRACE_OPS_FL_IPMODIFY = 1 << 13, + FTRACE_OPS_FL_PID = 1 << 14, }; #ifdef CONFIG_DYNAMIC_FTRACE @@ -159,6 +161,7 @@ struct ftrace_ops { struct ftrace_ops *next; unsigned long flags; void *private; + ftrace_func_t saved_func; int __percpu *disabled; #ifdef CONFIG_DYNAMIC_FTRACE int nr_trampolines; diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index cc7ec129b329..c8393cd4d44f 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -45,7 +45,7 @@ struct seq_file; * @base: identifies the first GPIO number handled by this chip; * or, if negative during registration, requests dynamic ID allocation. * DEPRECATION: providing anything non-negative and nailing the base - * base offset of GPIO chips is deprecated. Please pass -1 as base to + * offset of GPIO chips is deprecated. Please pass -1 as base to * let gpiolib select the chip base in all possible cases. We want to * get rid of the static GPIO number space in the long run. * @ngpio: the number of GPIOs handled by this controller; the last GPIO diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h index 0042bf330b99..c02b5ce6c5cd 100644 --- a/include/linux/hid-sensor-hub.h +++ b/include/linux/hid-sensor-hub.h @@ -230,6 +230,7 @@ struct hid_sensor_common { struct platform_device *pdev; unsigned usage_id; atomic_t data_ready; + atomic_t user_requested_state; struct iio_trigger *trigger; struct hid_sensor_hub_attribute_info poll; struct hid_sensor_hub_attribute_info report_state; diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 205026175c42..d891f949466a 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -460,15 +460,14 @@ static inline spinlock_t *huge_pte_lockptr(struct hstate *h, return &mm->page_table_lock; } -static inline bool hugepages_supported(void) -{ - /* - * Some platform decide whether they support huge pages at boot - * time. On these, such as powerpc, HPAGE_SHIFT is set to 0 when - * there is no such support - */ - return HPAGE_SHIFT != 0; -} +#ifndef hugepages_supported +/* + * Some platform decide whether they support huge pages at boot + * time. Some of them, such as powerpc, set HPAGE_SHIFT to 0 + * when there is no such support + */ +#define hugepages_supported() (HPAGE_SHIFT != 0) +#endif #else /* CONFIG_HUGETLB_PAGE */ struct hstate {}; diff --git a/include/linux/iommu.h b/include/linux/iommu.h index dc767f7c3704..f9c1b6d0f2e4 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -258,7 +258,7 @@ extern int iommu_domain_set_attr(struct iommu_domain *domain, enum iommu_attr, void *data); struct device *iommu_device_create(struct device *parent, void *drvdata, const struct attribute_group **groups, - const char *fmt, ...); + const char *fmt, ...) __printf(4, 5); void iommu_device_destroy(struct device *dev); int iommu_device_link(struct device *dev, struct device *link); void iommu_device_unlink(struct device *dev, struct device *link); diff --git a/include/linux/irq.h b/include/linux/irq.h index 92188b0225bb..51744bcf74ee 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -484,6 +484,7 @@ extern int irq_chip_set_affinity_parent(struct irq_data *data, extern int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on); extern int irq_chip_set_vcpu_affinity_parent(struct irq_data *data, void *vcpu_info); +extern int irq_chip_set_type_parent(struct irq_data *data, unsigned int type); #endif /* Handling of unhandled and spurious interrupts: */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 5f0be58640ea..5582410727cb 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -411,7 +411,8 @@ extern __printf(3, 0) int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); extern __printf(2, 3) char *kasprintf(gfp_t gfp, const char *fmt, ...); -extern char *kvasprintf(gfp_t gfp, const char *fmt, va_list args); +extern __printf(2, 0) +char *kvasprintf(gfp_t gfp, const char *fmt, va_list args); extern __scanf(2, 3) int sscanf(const char *, const char *, ...); @@ -679,10 +680,10 @@ do { \ __ftrace_vprintk(_THIS_IP_, fmt, vargs); \ } while (0) -extern int +extern __printf(2, 0) int __ftrace_vbprintk(unsigned long ip, const char *fmt, va_list ap); -extern int +extern __printf(2, 0) int __ftrace_vprintk(unsigned long ip, const char *fmt, va_list ap); extern void ftrace_dump(enum ftrace_dump_mode oops_dump_mode); @@ -702,7 +703,7 @@ int trace_printk(const char *fmt, ...) { return 0; } -static inline int +static __printf(1, 0) inline int ftrace_vprintk(const char *fmt, va_list ap) { return 0; diff --git a/include/linux/klist.h b/include/linux/klist.h index 61e5b723ae73..953f283f8451 100644 --- a/include/linux/klist.h +++ b/include/linux/klist.h @@ -63,6 +63,7 @@ extern void klist_iter_init(struct klist *k, struct klist_iter *i); extern void klist_iter_init_node(struct klist *k, struct klist_iter *i, struct klist_node *n); extern void klist_iter_exit(struct klist_iter *i); +extern struct klist_node *klist_prev(struct klist_iter *i); extern struct klist_node *klist_next(struct klist_iter *i); #endif diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 2d61b909f414..637f67002c5a 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -80,8 +80,9 @@ struct kobject { extern __printf(2, 3) int kobject_set_name(struct kobject *kobj, const char *name, ...); -extern int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, - va_list vargs); +extern __printf(2, 0) +int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, + va_list vargs); static inline const char *kobject_name(const struct kobject *kobj) { diff --git a/include/linux/libata.h b/include/linux/libata.h index 36ce37bcc963..c9cfbcdb8d14 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -431,6 +431,8 @@ enum { ATA_HORKAGE_WD_BROKEN_LPM = (1 << 21), /* some WDs have broken LPM */ ATA_HORKAGE_ZERO_AFTER_TRIM = (1 << 22),/* guarantees zero after trim */ ATA_HORKAGE_NO_NCQ_LOG = (1 << 23), /* don't use NCQ for log read */ + ATA_HORKAGE_NOTRIM = (1 << 24), /* don't use TRIM */ + ATA_HORKAGE_MAX_SEC_1024 = (1 << 25), /* Limit max sects to 1024 */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ diff --git a/include/linux/mm.h b/include/linux/mm.h index 2e872f92dbac..bf6f117fcf4d 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1003,6 +1003,34 @@ static inline int page_mapped(struct page *page) } /* + * Return true only if the page has been allocated with + * ALLOC_NO_WATERMARKS and the low watermark was not + * met implying that the system is under some pressure. + */ +static inline bool page_is_pfmemalloc(struct page *page) +{ + /* + * Page index cannot be this large so this must be + * a pfmemalloc page. + */ + return page->index == -1UL; +} + +/* + * Only to be called by the page allocator on a freshly allocated + * page. + */ +static inline void set_page_pfmemalloc(struct page *page) +{ + page->index = -1UL; +} + +static inline void clear_page_pfmemalloc(struct page *page) +{ + page->index = 0; +} + +/* * Different kinds of faults, as returned by handle_mm_fault(). * Used to decide whether a process gets delivered SIGBUS or * just gets major/minor fault counters bumped up. diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 0038ac7466fd..15549578d559 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -63,15 +63,6 @@ struct page { union { pgoff_t index; /* Our offset within mapping. */ void *freelist; /* sl[aou]b first free object */ - bool pfmemalloc; /* If set by the page allocator, - * ALLOC_NO_WATERMARKS was set - * and the low watermark was not - * met implying that the system - * is under some pressure. The - * caller should try ensure - * this page is only used to - * free other pages. - */ }; union { diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h index c5d52780d6a0..3ba327af055c 100644 --- a/include/linux/mmiotrace.h +++ b/include/linux/mmiotrace.h @@ -106,6 +106,6 @@ extern void enable_mmiotrace(void); extern void disable_mmiotrace(void); extern void mmio_trace_rw(struct mmiotrace_rw *rw); extern void mmio_trace_mapping(struct mmiotrace_map *map); -extern int mmio_trace_printk(const char *fmt, va_list args); +extern __printf(1, 0) int mmio_trace_printk(const char *fmt, va_list args); #endif /* _LINUX_MMIOTRACE_H */ diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index f25e2bdd188c..272f42952f34 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -178,17 +178,17 @@ typedef enum { /* Chip may not exist, so silence any errors in scan */ #define NAND_SCAN_SILENT_NODEV 0x00040000 /* - * This option could be defined by controller drivers to protect against - * kmap'ed, vmalloc'ed highmem buffers being passed from upper layers - */ -#define NAND_USE_BOUNCE_BUFFER 0x00080000 -/* * Autodetect nand buswidth with readid/onfi. * This suppose the driver will configure the hardware in 8 bits mode * when calling nand_scan_ident, and update its configuration * before calling nand_scan_tail. */ #define NAND_BUSWIDTH_AUTO 0x00080000 +/* + * This option could be defined by controller drivers to protect against + * kmap'ed, vmalloc'ed highmem buffers being passed from upper layers + */ +#define NAND_USE_BOUNCE_BUFFER 0x00100000 /* Options set by nand scan */ /* Nand scan has allocated controller struct */ diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index f91b5ade30c9..874b77228fb9 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -292,9 +292,12 @@ static inline void nfs_mark_for_revalidate(struct inode *inode) struct nfs_inode *nfsi = NFS_I(inode); spin_lock(&inode->i_lock); - nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS; + nfsi->cache_validity |= NFS_INO_INVALID_ATTR | + NFS_INO_REVAL_PAGECACHE | + NFS_INO_INVALID_ACCESS | + NFS_INO_INVALID_ACL; if (S_ISDIR(inode->i_mode)) - nfsi->cache_validity |= NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_DATA; + nfsi->cache_validity |= NFS_INO_INVALID_DATA; spin_unlock(&inode->i_lock); } diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index a2ea1491d3df..20bc8e51b161 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -220,7 +220,7 @@ struct nfs_server { #define NFS_CAP_SYMLINKS (1U << 2) #define NFS_CAP_ACLS (1U << 3) #define NFS_CAP_ATOMIC_OPEN (1U << 4) -#define NFS_CAP_CHANGE_ATTR (1U << 5) +/* #define NFS_CAP_CHANGE_ATTR (1U << 5) */ #define NFS_CAP_FILEID (1U << 6) #define NFS_CAP_MODE (1U << 7) #define NFS_CAP_NLINK (1U << 8) diff --git a/include/linux/of.h b/include/linux/of.h index edc068d19c79..2194b8ca41f9 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -136,7 +136,8 @@ static inline bool is_of_node(struct fwnode_handle *fwnode) static inline struct device_node *to_of_node(struct fwnode_handle *fwnode) { - return fwnode ? container_of(fwnode, struct device_node, fwnode) : NULL; + return is_of_node(fwnode) ? + container_of(fwnode, struct device_node, fwnode) : NULL; } static inline bool of_have_populated_dt(void) diff --git a/include/linux/of_device.h b/include/linux/of_device.h index 4c508549833a..cc7dd687a89d 100644 --- a/include/linux/of_device.h +++ b/include/linux/of_device.h @@ -59,7 +59,7 @@ void of_dma_configure(struct device *dev, struct device_node *np); #else /* CONFIG_OF */ static inline int of_driver_match_device(struct device *dev, - struct device_driver *drv) + const struct device_driver *drv) { return 0; } diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index f34e040b34e9..41c93844fb1d 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -631,15 +631,19 @@ static inline void ClearPageSlabPfmemalloc(struct page *page) 1 << PG_private | 1 << PG_private_2 | \ 1 << PG_writeback | 1 << PG_reserved | \ 1 << PG_slab | 1 << PG_swapcache | 1 << PG_active | \ - 1 << PG_unevictable | __PG_MLOCKED | __PG_HWPOISON | \ + 1 << PG_unevictable | __PG_MLOCKED | \ __PG_COMPOUND_LOCK) /* * Flags checked when a page is prepped for return by the page allocator. - * Pages being prepped should not have any flags set. It they are set, + * Pages being prepped should not have these flags set. It they are set, * there has been a kernel bug or struct page corruption. + * + * __PG_HWPOISON is exceptional because it needs to be kept beyond page's + * alloc-free cycle to prevent from reusing the page. */ -#define PAGE_FLAGS_CHECK_AT_PREP ((1 << NR_PAGEFLAGS) - 1) +#define PAGE_FLAGS_CHECK_AT_PREP \ + (((1 << NR_PAGEFLAGS) - 1) & ~__PG_HWPOISON) #define PAGE_FLAGS_PRIVATE \ (1 << PG_private | 1 << PG_private_2) diff --git a/include/linux/page_owner.h b/include/linux/page_owner.h index b48c3471c254..cacaabea8a09 100644 --- a/include/linux/page_owner.h +++ b/include/linux/page_owner.h @@ -8,6 +8,7 @@ extern struct page_ext_operations page_owner_ops; extern void __reset_page_owner(struct page *page, unsigned int order); extern void __set_page_owner(struct page *page, unsigned int order, gfp_t gfp_mask); +extern gfp_t __get_page_owner_gfp(struct page *page); static inline void reset_page_owner(struct page *page, unsigned int order) { @@ -25,6 +26,14 @@ static inline void set_page_owner(struct page *page, __set_page_owner(page, order, gfp_mask); } + +static inline gfp_t get_page_owner_gfp(struct page *page) +{ + if (likely(!page_owner_inited)) + return 0; + + return __get_page_owner_gfp(page); +} #else static inline void reset_page_owner(struct page *page, unsigned int order) { @@ -33,6 +42,10 @@ static inline void set_page_owner(struct page *page, unsigned int order, gfp_t gfp_mask) { } +static inline gfp_t get_page_owner_gfp(struct page *page) +{ + return 0; +} #endif /* CONFIG_PAGE_OWNER */ #endif /* __LINUX_PAGE_OWNER_H */ diff --git a/include/linux/pata_arasan_cf_data.h b/include/linux/pata_arasan_cf_data.h index 3cc21c9cc1e8..9fade5dd2e86 100644 --- a/include/linux/pata_arasan_cf_data.h +++ b/include/linux/pata_arasan_cf_data.h @@ -4,7 +4,7 @@ * Arasan Compact Flash host controller platform data header file * * Copyright (C) 2011 ST Microelectronics - * Viresh Kumar <viresh.linux@gmail.com> + * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/include/linux/pci.h b/include/linux/pci.h index 8a0321a8fb59..860c751810fc 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1202,6 +1202,7 @@ struct msix_entry { u16 entry; /* driver uses to specify entry, OS writes */ }; +void pci_msi_setup_pci_dev(struct pci_dev *dev); #ifdef CONFIG_PCI_MSI int pci_msi_vec_count(struct pci_dev *dev); diff --git a/include/linux/platform_data/macb.h b/include/linux/platform_data/macb.h index 044a124bfbbc..21b15f6fee25 100644 --- a/include/linux/platform_data/macb.h +++ b/include/linux/platform_data/macb.h @@ -8,11 +8,19 @@ #ifndef __MACB_PDATA_H__ #define __MACB_PDATA_H__ +/** + * struct macb_platform_data - platform data for MACB Ethernet + * @phy_mask: phy mask passed when register the MDIO bus + * within the driver + * @phy_irq_pin: PHY IRQ + * @is_rmii: using RMII interface? + * @rev_eth_addr: reverse Ethernet address byte order + */ struct macb_platform_data { u32 phy_mask; - int phy_irq_pin; /* PHY IRQ */ - u8 is_rmii; /* using RMII interface? */ - u8 rev_eth_addr; /* reverse Ethernet address byte order */ + int phy_irq_pin; + u8 is_rmii; + u8 rev_eth_addr; }; #endif /* __MACB_PDATA_H__ */ diff --git a/include/linux/platform_data/mmc-esdhc-imx.h b/include/linux/platform_data/mmc-esdhc-imx.h index 75f70f6ac137..e1571efa3f2b 100644 --- a/include/linux/platform_data/mmc-esdhc-imx.h +++ b/include/linux/platform_data/mmc-esdhc-imx.h @@ -43,7 +43,6 @@ struct esdhc_platform_data { enum wp_types wp_type; enum cd_types cd_type; int max_bus_width; - unsigned int f_max; bool support_vsel; unsigned int delay_line; }; diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index cec2d4540914..cab7ba55bedb 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -30,7 +30,10 @@ unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp); unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp); +bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp); + int dev_pm_opp_get_opp_count(struct device *dev); +unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev); struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, unsigned long freq, @@ -62,11 +65,21 @@ static inline unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp) return 0; } +static inline bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp) +{ + return false; +} + static inline int dev_pm_opp_get_opp_count(struct device *dev) { return 0; } +static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev) +{ + return 0; +} + static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, unsigned long freq, bool available) { @@ -115,6 +128,10 @@ static inline struct srcu_notifier_head *dev_pm_opp_get_notifier( #if defined(CONFIG_PM_OPP) && defined(CONFIG_OF) int of_init_opp_table(struct device *dev); void of_free_opp_table(struct device *dev); +int of_cpumask_init_opp_table(cpumask_var_t cpumask); +void of_cpumask_free_opp_table(cpumask_var_t cpumask); +int of_get_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask); +int set_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask); #else static inline int of_init_opp_table(struct device *dev) { @@ -124,6 +141,25 @@ static inline int of_init_opp_table(struct device *dev) static inline void of_free_opp_table(struct device *dev) { } + +static inline int of_cpumask_init_opp_table(cpumask_var_t cpumask) +{ + return -ENOSYS; +} + +static inline void of_cpumask_free_opp_table(cpumask_var_t cpumask) +{ +} + +static inline int of_get_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask) +{ + return -ENOSYS; +} + +static inline int set_cpus_sharing_opps(struct device *cpu_dev, cpumask_var_t cpumask) +{ + return -ENOSYS; +} #endif #endif /* __LINUX_OPP_H__ */ diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h index 7b3ae0cffc05..0f65d36c2a75 100644 --- a/include/linux/pm_qos.h +++ b/include/linux/pm_qos.h @@ -161,6 +161,8 @@ void dev_pm_qos_hide_flags(struct device *dev); int dev_pm_qos_update_flags(struct device *dev, s32 mask, bool set); s32 dev_pm_qos_get_user_latency_tolerance(struct device *dev); int dev_pm_qos_update_user_latency_tolerance(struct device *dev, s32 val); +int dev_pm_qos_expose_latency_tolerance(struct device *dev); +void dev_pm_qos_hide_latency_tolerance(struct device *dev); static inline s32 dev_pm_qos_requested_resume_latency(struct device *dev) { @@ -229,6 +231,9 @@ static inline s32 dev_pm_qos_get_user_latency_tolerance(struct device *dev) { return PM_QOS_LATENCY_TOLERANCE_NO_CONSTRAINT; } static inline int dev_pm_qos_update_user_latency_tolerance(struct device *dev, s32 val) { return 0; } +static inline int dev_pm_qos_expose_latency_tolerance(struct device *dev) + { return 0; } +static inline void dev_pm_qos_hide_latency_tolerance(struct device *dev) {} static inline s32 dev_pm_qos_requested_resume_latency(struct device *dev) { return 0; } static inline s32 dev_pm_qos_requested_flags(struct device *dev) { return 0; } diff --git a/include/linux/printk.h b/include/linux/printk.h index 58b1fec40d37..a6298b27ac99 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -122,7 +122,7 @@ static inline __printf(1, 2) __cold void early_printk(const char *s, ...) { } #endif -typedef int(*printk_func_t)(const char *fmt, va_list args); +typedef __printf(1, 0) int (*printk_func_t)(const char *fmt, va_list args); #ifdef CONFIG_PRINTK asmlinkage __printf(5, 0) @@ -166,7 +166,7 @@ char *log_buf_addr_get(void); u32 log_buf_len_get(void); void log_buf_kexec_setup(void); void __init setup_log_buf(int early); -void dump_stack_set_arch_desc(const char *fmt, ...); +__printf(1, 2) void dump_stack_set_arch_desc(const char *fmt, ...); void dump_stack_print_info(const char *log_lvl); void show_regs_print_info(const char *log_lvl); #else @@ -217,7 +217,7 @@ static inline void setup_log_buf(int early) { } -static inline void dump_stack_set_arch_desc(const char *fmt, ...) +static inline __printf(1, 2) void dump_stack_set_arch_desc(const char *fmt, ...) { } diff --git a/include/linux/sched.h b/include/linux/sched.h index ae21f1591615..04b5ada460b4 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1522,8 +1522,6 @@ struct task_struct { /* hung task detection */ unsigned long last_switch_count; #endif -/* CPU-specific state of this task */ - struct thread_struct thread; /* filesystem information */ struct fs_struct *fs; /* open file information */ @@ -1778,8 +1776,22 @@ struct task_struct { unsigned long task_state_change; #endif int pagefault_disabled; +/* CPU-specific state of this task */ + struct thread_struct thread; +/* + * WARNING: on x86, 'thread_struct' contains a variable-sized + * structure. It *MUST* be at the end of 'task_struct'. + * + * Do not put anything below here! + */ }; +#ifdef CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT +extern int arch_task_struct_size __read_mostly; +#else +# define arch_task_struct_size (sizeof(struct task_struct)) +#endif + /* Future-safe accessor for struct task_struct's cpus_allowed. */ #define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index d6cdd6e87d53..9b88536487e6 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1602,20 +1602,16 @@ static inline void __skb_fill_page_desc(struct sk_buff *skb, int i, skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; /* - * Propagate page->pfmemalloc to the skb if we can. The problem is - * that not all callers have unique ownership of the page. If - * pfmemalloc is set, we check the mapping as a mapping implies - * page->index is set (index and pfmemalloc share space). - * If it's a valid mapping, we cannot use page->pfmemalloc but we - * do not lose pfmemalloc information as the pages would not be - * allocated using __GFP_MEMALLOC. + * Propagate page pfmemalloc to the skb if we can. The problem is + * that not all callers have unique ownership of the page but rely + * on page_is_pfmemalloc doing the right thing(tm). */ frag->page.p = page; frag->page_offset = off; skb_frag_size_set(frag, size); page = compound_head(page); - if (page->pfmemalloc && !page->mapping) + if (page_is_pfmemalloc(page)) skb->pfmemalloc = true; } @@ -2263,7 +2259,7 @@ static inline struct page *dev_alloc_page(void) static inline void skb_propagate_pfmemalloc(struct page *page, struct sk_buff *skb) { - if (page && page->pfmemalloc) + if (page_is_pfmemalloc(page)) skb->pfmemalloc = true; } @@ -2884,11 +2880,11 @@ static inline bool skb_defer_rx_timestamp(struct sk_buff *skb) * * PHY drivers may accept clones of transmitted packets for * timestamping via their phy_driver.txtstamp method. These drivers - * must call this function to return the skb back to the stack, with - * or without a timestamp. + * must call this function to return the skb back to the stack with a + * timestamp. * * @skb: clone of the the original outgoing packet - * @hwtstamps: hardware time stamps, may be NULL if not available + * @hwtstamps: hardware time stamps * */ void skb_complete_tx_timestamp(struct sk_buff *skb, diff --git a/include/media/rc-core.h b/include/media/rc-core.h index 45534da57759..644bdc61c387 100644 --- a/include/media/rc-core.h +++ b/include/media/rc-core.h @@ -74,8 +74,6 @@ enum rc_filter_type { * @input_dev: the input child device used to communicate events to userspace * @driver_type: specifies if protocol decoding is done in hardware or software * @idle: used to keep track of RX state - * @encode_wakeup: wakeup filtering uses IR encode API, therefore the allowed - * wakeup protocols is the set of all raw encoders * @allowed_protocols: bitmask with the supported RC_BIT_* protocols * @enabled_protocols: bitmask with the enabled RC_BIT_* protocols * @allowed_wakeup_protocols: bitmask with the supported RC_BIT_* wakeup protocols @@ -136,7 +134,6 @@ struct rc_dev { struct input_dev *input_dev; enum rc_driver_type driver_type; bool idle; - bool encode_wakeup; u64 allowed_protocols; u64 enabled_protocols; u64 allowed_wakeup_protocols; @@ -246,7 +243,6 @@ static inline void init_ir_raw_event(struct ir_raw_event *ev) #define US_TO_NS(usec) ((usec) * 1000) #define MS_TO_US(msec) ((msec) * 1000) #define MS_TO_NS(msec) ((msec) * 1000 * 1000) -#define NS_TO_US(nsec) DIV_ROUND_UP(nsec, 1000L) void ir_raw_event_handle(struct rc_dev *dev); int ir_raw_event_store(struct rc_dev *dev, struct ir_raw_event *ev); @@ -254,9 +250,6 @@ int ir_raw_event_store_edge(struct rc_dev *dev, enum raw_event_type type); int ir_raw_event_store_with_filter(struct rc_dev *dev, struct ir_raw_event *ev); void ir_raw_event_set_idle(struct rc_dev *dev, bool idle); -int ir_raw_encode_scancode(u64 protocols, - const struct rc_scancode_filter *scancode, - struct ir_raw_event *events, unsigned int max); static inline void ir_raw_event_reset(struct rc_dev *dev) { diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index 22a44c2f5963..c192e1b46cdc 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -139,6 +139,7 @@ enum vb2_io_modes { * @VB2_BUF_STATE_PREPARING: buffer is being prepared in videobuf * @VB2_BUF_STATE_PREPARED: buffer prepared in videobuf and by the driver * @VB2_BUF_STATE_QUEUED: buffer queued in videobuf, but not in driver + * @VB2_BUF_STATE_REQUEUEING: re-queue a buffer to the driver * @VB2_BUF_STATE_ACTIVE: buffer queued in driver and possibly used * in a hardware operation * @VB2_BUF_STATE_DONE: buffer returned from driver to videobuf, but @@ -152,6 +153,7 @@ enum vb2_buffer_state { VB2_BUF_STATE_PREPARING, VB2_BUF_STATE_PREPARED, VB2_BUF_STATE_QUEUED, + VB2_BUF_STATE_REQUEUEING, VB2_BUF_STATE_ACTIVE, VB2_BUF_STATE_DONE, VB2_BUF_STATE_ERROR, diff --git a/include/net/act_api.h b/include/net/act_api.h index 3ee4c92afd1b..931738bc5bba 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -99,7 +99,6 @@ struct tc_action_ops { int tcf_hash_search(struct tc_action *a, u32 index); void tcf_hash_destroy(struct tc_action *a); -int tcf_hash_release(struct tc_action *a, int bind); u32 tcf_hash_new_index(struct tcf_hashinfo *hinfo); int tcf_hash_check(u32 index, struct tc_action *a, int bind); int tcf_hash_create(u32 index, struct nlattr *est, struct tc_action *a, @@ -107,6 +106,13 @@ int tcf_hash_create(u32 index, struct nlattr *est, struct tc_action *a, void tcf_hash_cleanup(struct tc_action *a, struct nlattr *est); void tcf_hash_insert(struct tc_action *a); +int __tcf_hash_release(struct tc_action *a, bool bind, bool strict); + +static inline int tcf_hash_release(struct tc_action *a, bool bind) +{ + return __tcf_hash_release(a, bind, false); +} + int tcf_register_action(struct tc_action_ops *a, unsigned int mask); int tcf_unregister_action(struct tc_action_ops *a); int tcf_action_destroy(struct list_head *actions, int bind); diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index a741678f24a2..883fe1e7c5a1 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -4868,6 +4868,23 @@ bool cfg80211_reg_can_beacon(struct wiphy *wiphy, struct cfg80211_chan_def *chandef, enum nl80211_iftype iftype); +/** + * cfg80211_reg_can_beacon_relax - check if beaconing is allowed with relaxation + * @wiphy: the wiphy + * @chandef: the channel definition + * @iftype: interface type + * + * Return: %true if there is no secondary channel or the secondary channel(s) + * can be used for beaconing (i.e. is not a radar channel etc.). This version + * also checks if IR-relaxation conditions apply, to allow beaconing under + * more permissive conditions. + * + * Requires the RTNL to be held. + */ +bool cfg80211_reg_can_beacon_relax(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype); + /* * cfg80211_ch_switch_notify - update wdev channel and notify userspace * @dev: the device which switched channels diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h index e1300b3dd597..53eead2da743 100644 --- a/include/net/inet_frag.h +++ b/include/net/inet_frag.h @@ -21,13 +21,11 @@ struct netns_frags { * @INET_FRAG_FIRST_IN: first fragment has arrived * @INET_FRAG_LAST_IN: final fragment has arrived * @INET_FRAG_COMPLETE: frag queue has been processed and is due for destruction - * @INET_FRAG_EVICTED: frag queue is being evicted */ enum { INET_FRAG_FIRST_IN = BIT(0), INET_FRAG_LAST_IN = BIT(1), INET_FRAG_COMPLETE = BIT(2), - INET_FRAG_EVICTED = BIT(3) }; /** @@ -45,6 +43,7 @@ enum { * @flags: fragment queue flags * @max_size: maximum received fragment size * @net: namespace that this frag belongs to + * @list_evictor: list of queues to forcefully evict (e.g. due to low memory) */ struct inet_frag_queue { spinlock_t lock; @@ -59,6 +58,7 @@ struct inet_frag_queue { __u8 flags; u16 max_size; struct netns_frags *net; + struct hlist_node list_evictor; }; #define INETFRAGS_HASHSZ 1024 @@ -125,6 +125,11 @@ static inline void inet_frag_put(struct inet_frag_queue *q, struct inet_frags *f inet_frag_destroy(q, f); } +static inline bool inet_frag_evicting(struct inet_frag_queue *q) +{ + return !hlist_unhashed(&q->list_evictor); +} + /* Memory Tracking Functions. */ /* The default percpu_counter batch size is not big enough to scale to @@ -139,14 +144,14 @@ static inline int frag_mem_limit(struct netns_frags *nf) return percpu_counter_read(&nf->mem); } -static inline void sub_frag_mem_limit(struct inet_frag_queue *q, int i) +static inline void sub_frag_mem_limit(struct netns_frags *nf, int i) { - __percpu_counter_add(&q->net->mem, -i, frag_percpu_counter_batch); + __percpu_counter_add(&nf->mem, -i, frag_percpu_counter_batch); } -static inline void add_frag_mem_limit(struct inet_frag_queue *q, int i) +static inline void add_frag_mem_limit(struct netns_frags *nf, int i) { - __percpu_counter_add(&q->net->mem, i, frag_percpu_counter_batch); + __percpu_counter_add(&nf->mem, i, frag_percpu_counter_batch); } static inline void init_frag_mem_limit(struct netns_frags *nf) diff --git a/include/net/ip.h b/include/net/ip.h index 0750a186ea63..d5fe9f2ab699 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -161,6 +161,7 @@ static inline __u8 get_rtconn_flags(struct ipcm_cookie* ipc, struct sock* sk) } /* datagram.c */ +int __ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); void ip4_datagram_release_cb(struct sock *sk); diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 49c142bdf01e..5fa643b4e891 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -183,7 +183,6 @@ __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh); struct fib_table { struct hlist_node tb_hlist; u32 tb_id; - int tb_default; int tb_num_default; struct rcu_head rcu; unsigned long *tb_data; @@ -290,7 +289,7 @@ __be32 fib_compute_spec_dst(struct sk_buff *skb); int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, u8 tos, int oif, struct net_device *dev, struct in_device *idev, u32 *itag); -void fib_select_default(struct fib_result *res); +void fib_select_default(const struct flowi4 *flp, struct fib_result *res); #ifdef CONFIG_IP_ROUTE_CLASSID static inline int fib_num_tclassid_users(struct net *net) { diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index 095433b8a8b0..37cd3911d5c5 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -291,7 +291,7 @@ extern unsigned int nf_conntrack_max; extern unsigned int nf_conntrack_hash_rnd; void init_nf_conntrack_hash_rnd(void); -void nf_conntrack_tmpl_insert(struct net *net, struct nf_conn *tmpl); +struct nf_conn *nf_ct_tmpl_alloc(struct net *net, u16 zone, gfp_t flags); #define NF_CT_STAT_INC(net, count) __this_cpu_inc((net)->ct.stat->count) #define NF_CT_STAT_INC_ATOMIC(net, count) this_cpu_inc((net)->ct.stat->count) diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h index 29d6a94db54d..723b61c82b3f 100644 --- a/include/net/netns/conntrack.h +++ b/include/net/netns/conntrack.h @@ -68,7 +68,6 @@ struct ct_pcpu { spinlock_t lock; struct hlist_nulls_head unconfirmed; struct hlist_nulls_head dying; - struct hlist_nulls_head tmpl; }; struct netns_ct { diff --git a/include/net/sock.h b/include/net/sock.h index 05a8c1aea251..f21f0708ec59 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -902,7 +902,7 @@ void sk_stream_kill_queues(struct sock *sk); void sk_set_memalloc(struct sock *sk); void sk_clear_memalloc(struct sock *sk); -int sk_wait_data(struct sock *sk, long *timeo); +int sk_wait_data(struct sock *sk, long *timeo, const struct sk_buff *skb); struct request_sock_ops; struct timewait_sock_ops; diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h index 4942710ef720..8d1d7fa67ec4 100644 --- a/include/scsi/scsi_eh.h +++ b/include/scsi/scsi_eh.h @@ -28,7 +28,6 @@ extern int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len, u64 * info_out); extern void scsi_build_sense_buffer(int desc, u8 *buf, u8 key, u8 asc, u8 ascq); -extern void scsi_set_sense_information(u8 *buf, u64 info); extern int scsi_ioctl_reset(struct scsi_device *, int __user *); diff --git a/include/sound/soc-topology.h b/include/sound/soc-topology.h index 865a141b118b..427bc41df3ae 100644 --- a/include/sound/soc-topology.h +++ b/include/sound/soc-topology.h @@ -141,6 +141,8 @@ struct snd_soc_tplg_ops { int io_ops_count; }; +#ifdef CONFIG_SND_SOC_TOPOLOGY + /* gets a pointer to data from the firmware block header */ static inline const void *snd_soc_tplg_get_data(struct snd_soc_tplg_hdr *hdr) { @@ -165,4 +167,14 @@ int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w, const struct snd_soc_tplg_widget_events *events, int num_events, u16 event_type); +#else + +static inline int snd_soc_tplg_component_remove(struct snd_soc_component *comp, + u32 index) +{ + return 0; +} + +#endif + #endif diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h index 34117b8b72e4..0aedbb2c10e0 100644 --- a/include/target/iscsi/iscsi_target_core.h +++ b/include/target/iscsi/iscsi_target_core.h @@ -595,6 +595,7 @@ struct iscsi_conn { int bitmap_id; int rx_thread_active; struct task_struct *rx_thread; + struct completion rx_login_comp; int tx_thread_active; struct task_struct *tx_thread; /* list_head for session connection list */ diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index b6fce900a833..fbdd11851725 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -32,7 +32,7 @@ #ifndef __AMDGPU_DRM_H__ #define __AMDGPU_DRM_H__ -#include <drm/drm.h> +#include "drm.h" #define DRM_AMDGPU_GEM_CREATE 0x00 #define DRM_AMDGPU_GEM_MMAP 0x01 @@ -614,6 +614,8 @@ struct drm_amdgpu_info_device { uint32_t vram_type; /** video memory bit width*/ uint32_t vram_bit_width; + /* vce harvesting instance */ + uint32_t vce_harvest_config; }; struct drm_amdgpu_info_hw_ip { diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 6e1a2ed116cb..db809b722985 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -1070,6 +1070,14 @@ struct drm_i915_reg_read { __u64 offset; __u64 val; /* Return value */ }; +/* Known registers: + * + * Render engine timestamp - 0x2358 + 64bit - gen7+ + * - Note this register returns an invalid value if using the default + * single instruction 8byte read, in order to workaround that use + * offset (0x2538 | 1) instead. + * + */ struct drm_i915_reset_stats { __u32 ctx_id; diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h index 1ef76661e1a1..01aa2a8e3f8d 100644 --- a/include/uapi/drm/radeon_drm.h +++ b/include/uapi/drm/radeon_drm.h @@ -33,7 +33,7 @@ #ifndef __RADEON_DRM_H__ #define __RADEON_DRM_H__ -#include <drm/drm.h> +#include "drm.h" /* WARNING: If you change any of these defines, make sure to change the * defines in the X server file (radeon_sarea.h) diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index efe3443572ba..413417f3707b 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -319,6 +319,7 @@ #define PCI_MSIX_PBA 8 /* Pending Bit Array offset */ #define PCI_MSIX_PBA_BIR 0x00000007 /* BAR index */ #define PCI_MSIX_PBA_OFFSET 0xfffffff8 /* Offset into specified BAR */ +#define PCI_MSIX_FLAGS_BIRMASK PCI_MSIX_PBA_BIR /* deprecated */ #define PCI_CAP_MSIX_SIZEOF 12 /* size of MSIX registers */ /* MSI-X Table entry format */ diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h index 7bbee79ca293..ec32293a00db 100644 --- a/include/uapi/linux/virtio_net.h +++ b/include/uapi/linux/virtio_net.h @@ -34,6 +34,7 @@ /* The feature bitmap for virtio net */ #define VIRTIO_NET_F_CSUM 0 /* Host handles pkts w/ partial csum */ #define VIRTIO_NET_F_GUEST_CSUM 1 /* Guest handles pkts w/ partial csum */ +#define VIRTIO_NET_F_CTRL_GUEST_OFFLOADS 2 /* Dynamic offload configuration. */ #define VIRTIO_NET_F_MAC 5 /* Host has given MAC address. */ #define VIRTIO_NET_F_GUEST_TSO4 7 /* Guest can handle TSOv4 in. */ #define VIRTIO_NET_F_GUEST_TSO6 8 /* Guest can handle TSOv6 in. */ @@ -226,4 +227,19 @@ struct virtio_net_ctrl_mq { #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000 +/* + * Control network offloads + * + * Reconfigures the network offloads that Guest can handle. + * + * Available with the VIRTIO_NET_F_CTRL_GUEST_OFFLOADS feature bit. + * + * Command data format matches the feature bit mask exactly. + * + * See VIRTIO_NET_F_GUEST_* for the list of offloads + * that can be enabled/disabled. + */ +#define VIRTIO_NET_CTRL_GUEST_OFFLOADS 5 +#define VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET 0 + #endif /* _LINUX_VIRTIO_NET_H */ diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h index 75301468359f..90007a1abcab 100644 --- a/include/uapi/linux/virtio_pci.h +++ b/include/uapi/linux/virtio_pci.h @@ -157,6 +157,12 @@ struct virtio_pci_common_cfg { __le32 queue_used_hi; /* read-write */ }; +/* Fields in VIRTIO_PCI_CAP_PCI_CFG: */ +struct virtio_pci_cfg_cap { + struct virtio_pci_cap cap; + __u8 pci_cfg_data[4]; /* Data for BAR access. */ +}; + /* Macro versions of offsets for the Old Timers! */ #define VIRTIO_PCI_CAP_VNDR 0 #define VIRTIO_PCI_CAP_NEXT 1 diff --git a/include/uapi/linux/virtio_ring.h b/include/uapi/linux/virtio_ring.h index 915980ac68df..c07295969b7e 100644 --- a/include/uapi/linux/virtio_ring.h +++ b/include/uapi/linux/virtio_ring.h @@ -31,6 +31,9 @@ * SUCH DAMAGE. * * Copyright Rusty Russell IBM Corporation 2007. */ +#ifndef __KERNEL__ +#include <stdint.h> +#endif #include <linux/types.h> #include <linux/virtio_types.h> @@ -143,7 +146,7 @@ static inline void vring_init(struct vring *vr, unsigned int num, void *p, vr->num = num; vr->desc = p; vr->avail = p + num*sizeof(struct vring_desc); - vr->used = (void *)(((unsigned long)&vr->avail->ring[num] + sizeof(__virtio16) + vr->used = (void *)(((uintptr_t)&vr->avail->ring[num] + sizeof(__virtio16) + align-1) & ~(align - 1)); } diff --git a/include/uapi/sound/asoc.h b/include/uapi/sound/asoc.h index 12215205ab8d..247c50bd60f0 100644 --- a/include/uapi/sound/asoc.h +++ b/include/uapi/sound/asoc.h @@ -18,6 +18,12 @@ #include <linux/types.h> #include <sound/asound.h> +#ifndef __KERNEL__ +#error This API is an early revision and not enabled in the current +#error kernel release, it will be enabled in a future kernel version +#error with incompatible changes to what is here. +#endif + /* * Maximum number of channels topology kcontrol can represent. */ @@ -77,7 +83,7 @@ #define SND_SOC_TPLG_NUM_TEXTS 16 /* ABI version */ -#define SND_SOC_TPLG_ABI_VERSION 0x2 +#define SND_SOC_TPLG_ABI_VERSION 0x3 /* Max size of TLV data */ #define SND_SOC_TPLG_TLV_SIZE 32 @@ -97,7 +103,8 @@ #define SND_SOC_TPLG_TYPE_PCM 7 #define SND_SOC_TPLG_TYPE_MANIFEST 8 #define SND_SOC_TPLG_TYPE_CODEC_LINK 9 -#define SND_SOC_TPLG_TYPE_MAX SND_SOC_TPLG_TYPE_CODEC_LINK +#define SND_SOC_TPLG_TYPE_PDATA 10 +#define SND_SOC_TPLG_TYPE_MAX SND_SOC_TPLG_TYPE_PDATA /* vendor block IDs - please add new vendor types to end */ #define SND_SOC_TPLG_TYPE_VENDOR_FW 1000 @@ -110,7 +117,7 @@ /* * Block Header. - * This header preceeds all object and object arrays below. + * This header precedes all object and object arrays below. */ struct snd_soc_tplg_hdr { __le32 magic; /* magic number */ @@ -137,11 +144,19 @@ struct snd_soc_tplg_private { /* * Kcontrol TLV data. */ +struct snd_soc_tplg_tlv_dbscale { + __le32 min; + __le32 step; + __le32 mute; +} __attribute__((packed)); + struct snd_soc_tplg_ctl_tlv { - __le32 size; /* in bytes aligned to 4 */ - __le32 numid; /* control element numeric identification */ - __le32 count; /* number of elem in data array */ - __le32 data[SND_SOC_TPLG_TLV_SIZE]; + __le32 size; /* in bytes of this structure */ + __le32 type; /* SNDRV_CTL_TLVT_*, type of TLV */ + union { + __le32 data[SND_SOC_TPLG_TLV_SIZE]; + struct snd_soc_tplg_tlv_dbscale scale; + }; } __attribute__((packed)); /* @@ -155,9 +170,11 @@ struct snd_soc_tplg_channel { } __attribute__((packed)); /* - * Kcontrol Operations IDs + * Genericl Operations IDs, for binding Kcontrol or Bytes ext ops + * Kcontrol ops need get/put/info. + * Bytes ext ops need get/put. */ -struct snd_soc_tplg_kcontrol_ops_id { +struct snd_soc_tplg_io_ops { __le32 get; __le32 put; __le32 info; @@ -171,8 +188,8 @@ struct snd_soc_tplg_ctl_hdr { __le32 type; char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; __le32 access; - struct snd_soc_tplg_kcontrol_ops_id ops; - __le32 tlv_size; /* non zero means control has TLV data */ + struct snd_soc_tplg_io_ops ops; + struct snd_soc_tplg_ctl_tlv tlv; } __attribute__((packed)); /* @@ -222,7 +239,7 @@ struct snd_soc_tplg_stream_config { /* * Manifest. List totals for each payload type. Not used in parsing, but will * be passed to the component driver before any other objects in order for any - * global componnent resource allocations. + * global component resource allocations. * * File block representation for manifest :- * +-----------------------------------+----+ @@ -238,6 +255,7 @@ struct snd_soc_tplg_manifest { __le32 graph_elems; /* number of graph elements */ __le32 dai_elems; /* number of DAI elements */ __le32 dai_link_elems; /* number of DAI link elements */ + struct snd_soc_tplg_private priv; } __attribute__((packed)); /* @@ -259,7 +277,6 @@ struct snd_soc_tplg_mixer_control { __le32 invert; __le32 num_channels; struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN]; - struct snd_soc_tplg_ctl_tlv tlv; struct snd_soc_tplg_private priv; } __attribute__((packed)); @@ -303,6 +320,7 @@ struct snd_soc_tplg_bytes_control { __le32 mask; __le32 base; __le32 num_regs; + struct snd_soc_tplg_io_ops ext_ops; struct snd_soc_tplg_private priv; } __attribute__((packed)); @@ -347,6 +365,7 @@ struct snd_soc_tplg_dapm_widget { __le32 reg; /* negative reg = no direct dapm */ __le32 shift; /* bits to shift */ __le32 mask; /* non-shifted mask */ + __le32 subseq; /* sort within widget type */ __u32 invert; /* invert the power bit */ __u32 ignore_suspend; /* kept enabled over suspend */ __u16 event_flags; diff --git a/init/main.c b/init/main.c index c5d5626289ce..56506553d4d8 100644 --- a/init/main.c +++ b/init/main.c @@ -656,7 +656,7 @@ asmlinkage __visible void __init start_kernel(void) key_init(); security_init(); dbg_late_init(); - vfs_caches_init(totalram_pages); + vfs_caches_init(); signals_init(); /* rootfs populating might need page-writeback */ page_writeback_init(); diff --git a/ipc/mqueue.c b/ipc/mqueue.c index a24ba9fe5bb8..161a1807e6ef 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -142,7 +142,6 @@ static int msg_insert(struct msg_msg *msg, struct mqueue_inode_info *info) if (!leaf) return -ENOMEM; INIT_LIST_HEAD(&leaf->msg_list); - info->qsize += sizeof(*leaf); } leaf->priority = msg->m_type; rb_link_node(&leaf->rb_node, parent, p); @@ -187,7 +186,6 @@ try_again: "lazy leaf delete!\n"); rb_erase(&leaf->rb_node, &info->msg_tree); if (info->node_cache) { - info->qsize -= sizeof(*leaf); kfree(leaf); } else { info->node_cache = leaf; @@ -200,7 +198,6 @@ try_again: if (list_empty(&leaf->msg_list)) { rb_erase(&leaf->rb_node, &info->msg_tree); if (info->node_cache) { - info->qsize -= sizeof(*leaf); kfree(leaf); } else { info->node_cache = leaf; @@ -1034,7 +1031,6 @@ SYSCALL_DEFINE5(mq_timedsend, mqd_t, mqdes, const char __user *, u_msg_ptr, /* Save our speculative allocation into the cache */ INIT_LIST_HEAD(&new_leaf->msg_list); info->node_cache = new_leaf; - info->qsize += sizeof(*new_leaf); new_leaf = NULL; } else { kfree(new_leaf); @@ -1142,7 +1138,6 @@ SYSCALL_DEFINE5(mq_timedreceive, mqd_t, mqdes, char __user *, u_msg_ptr, /* Save our speculative allocation into the cache */ INIT_LIST_HEAD(&new_leaf->msg_list); info->node_cache = new_leaf; - info->qsize += sizeof(*new_leaf); } else { kfree(new_leaf); } diff --git a/ipc/sem.c b/ipc/sem.c index bc3d530cb23e..b471e5a3863d 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -253,6 +253,16 @@ static void sem_rcu_free(struct rcu_head *head) } /* + * spin_unlock_wait() and !spin_is_locked() are not memory barriers, they + * are only control barriers. + * The code must pair with spin_unlock(&sem->lock) or + * spin_unlock(&sem_perm.lock), thus just the control barrier is insufficient. + * + * smp_rmb() is sufficient, as writes cannot pass the control barrier. + */ +#define ipc_smp_acquire__after_spin_is_unlocked() smp_rmb() + +/* * Wait until all currently ongoing simple ops have completed. * Caller must own sem_perm.lock. * New simple ops cannot start, because simple ops first check @@ -275,6 +285,7 @@ static void sem_wait_array(struct sem_array *sma) sem = sma->sem_base + i; spin_unlock_wait(&sem->lock); } + ipc_smp_acquire__after_spin_is_unlocked(); } /* @@ -327,13 +338,12 @@ static inline int sem_lock(struct sem_array *sma, struct sembuf *sops, /* Then check that the global lock is free */ if (!spin_is_locked(&sma->sem_perm.lock)) { /* - * The ipc object lock check must be visible on all - * cores before rechecking the complex count. Otherwise - * we can race with another thread that does: + * We need a memory barrier with acquire semantics, + * otherwise we can race with another thread that does: * complex_count++; * spin_unlock(sem_perm.lock); */ - smp_rmb(); + ipc_smp_acquire__after_spin_is_unlocked(); /* * Now repeat the test of complex_count: @@ -2074,17 +2084,28 @@ void exit_sem(struct task_struct *tsk) rcu_read_lock(); un = list_entry_rcu(ulp->list_proc.next, struct sem_undo, list_proc); - if (&un->list_proc == &ulp->list_proc) - semid = -1; - else - semid = un->semid; + if (&un->list_proc == &ulp->list_proc) { + /* + * We must wait for freeary() before freeing this ulp, + * in case we raced with last sem_undo. There is a small + * possibility where we exit while freeary() didn't + * finish unlocking sem_undo_list. + */ + spin_unlock_wait(&ulp->lock); + rcu_read_unlock(); + break; + } + spin_lock(&ulp->lock); + semid = un->semid; + spin_unlock(&ulp->lock); + /* exit_sem raced with IPC_RMID, nothing to do */ if (semid == -1) { rcu_read_unlock(); - break; + continue; } - sma = sem_obtain_object_check(tsk->nsproxy->ipc_ns, un->semid); + sma = sem_obtain_object_check(tsk->nsproxy->ipc_ns, semid); /* exit_sem raced with IPC_RMID, nothing to do */ if (IS_ERR(sma)) { rcu_read_unlock(); @@ -2112,9 +2133,11 @@ void exit_sem(struct task_struct *tsk) ipc_assert_locked_object(&sma->sem_perm); list_del(&un->list_id); - spin_lock(&ulp->lock); + /* we are the last process using this ulp, acquiring ulp->lock + * isn't required. Besides that, we are also protected against + * IPC_RMID as we hold sma->sem_perm lock now + */ list_del_rcu(&un->list_proc); - spin_unlock(&ulp->lock); /* perform adjustments registered in un */ for (i = 0; i < sma->sem_nsems; i++) { diff --git a/ipc/shm.c b/ipc/shm.c index 06e5cf2fe019..4aef24d91b63 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -545,7 +545,7 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params) if ((shmflg & SHM_NORESERVE) && sysctl_overcommit_memory != OVERCOMMIT_NEVER) acctflag = VM_NORESERVE; - file = shmem_file_setup(name, size, acctflag); + file = shmem_kernel_file_setup(name, size, acctflag); } error = PTR_ERR(file); if (IS_ERR(file)) diff --git a/kernel/cpu.c b/kernel/cpu.c index 6a374544d495..5644ec5582b9 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -527,18 +527,9 @@ static int _cpu_up(unsigned int cpu, int tasks_frozen) goto out_notify; } - /* - * Some architectures have to walk the irq descriptors to - * setup the vector space for the cpu which comes online. - * Prevent irq alloc/free across the bringup. - */ - irq_lock_sparse(); - /* Arch-specific enabling code. */ ret = __cpu_up(cpu, idle); - irq_unlock_sparse(); - if (ret != 0) goto out_notify; BUG_ON(!cpu_online(cpu)); diff --git a/kernel/cpuset.c b/kernel/cpuset.c index ee14e3a35a29..f0acff0f66c9 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -1223,7 +1223,7 @@ static int update_nodemask(struct cpuset *cs, struct cpuset *trialcs, spin_unlock_irq(&callback_lock); /* use trialcs->mems_allowed as a temp variable */ - update_nodemasks_hier(cs, &cs->mems_allowed); + update_nodemasks_hier(cs, &trialcs->mems_allowed); done: return retval; } diff --git a/kernel/events/core.c b/kernel/events/core.c index d3dae3419b99..e6feb5114134 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1868,8 +1868,6 @@ event_sched_in(struct perf_event *event, perf_pmu_disable(event->pmu); - event->tstamp_running += tstamp - event->tstamp_stopped; - perf_set_shadow_time(event, ctx, tstamp); perf_log_itrace_start(event); @@ -1881,6 +1879,8 @@ event_sched_in(struct perf_event *event, goto out; } + event->tstamp_running += tstamp - event->tstamp_stopped; + if (!is_software_event(event)) cpuctx->active_oncpu++; if (!ctx->nr_active++) @@ -3958,28 +3958,21 @@ static void perf_event_for_each(struct perf_event *event, perf_event_for_each_child(sibling, func); } -static int perf_event_period(struct perf_event *event, u64 __user *arg) -{ - struct perf_event_context *ctx = event->ctx; - int ret = 0, active; +struct period_event { + struct perf_event *event; u64 value; +}; - if (!is_sampling_event(event)) - return -EINVAL; - - if (copy_from_user(&value, arg, sizeof(value))) - return -EFAULT; - - if (!value) - return -EINVAL; +static int __perf_event_period(void *info) +{ + struct period_event *pe = info; + struct perf_event *event = pe->event; + struct perf_event_context *ctx = event->ctx; + u64 value = pe->value; + bool active; - raw_spin_lock_irq(&ctx->lock); + raw_spin_lock(&ctx->lock); if (event->attr.freq) { - if (value > sysctl_perf_event_sample_rate) { - ret = -EINVAL; - goto unlock; - } - event->attr.sample_freq = value; } else { event->attr.sample_period = value; @@ -3998,11 +3991,53 @@ static int perf_event_period(struct perf_event *event, u64 __user *arg) event->pmu->start(event, PERF_EF_RELOAD); perf_pmu_enable(ctx->pmu); } + raw_spin_unlock(&ctx->lock); -unlock: + return 0; +} + +static int perf_event_period(struct perf_event *event, u64 __user *arg) +{ + struct period_event pe = { .event = event, }; + struct perf_event_context *ctx = event->ctx; + struct task_struct *task; + u64 value; + + if (!is_sampling_event(event)) + return -EINVAL; + + if (copy_from_user(&value, arg, sizeof(value))) + return -EFAULT; + + if (!value) + return -EINVAL; + + if (event->attr.freq && value > sysctl_perf_event_sample_rate) + return -EINVAL; + + task = ctx->task; + pe.value = value; + + if (!task) { + cpu_function_call(event->cpu, __perf_event_period, &pe); + return 0; + } + +retry: + if (!task_function_call(task, __perf_event_period, &pe)) + return 0; + + raw_spin_lock_irq(&ctx->lock); + if (ctx->is_active) { + raw_spin_unlock_irq(&ctx->lock); + task = ctx->task; + goto retry; + } + + __perf_event_period(&pe); raw_spin_unlock_irq(&ctx->lock); - return ret; + return 0; } static const struct file_operations perf_fops; @@ -4740,12 +4775,20 @@ static const struct file_operations perf_fops = { * to user-space before waking everybody up. */ +static inline struct fasync_struct **perf_event_fasync(struct perf_event *event) +{ + /* only the parent has fasync state */ + if (event->parent) + event = event->parent; + return &event->fasync; +} + void perf_event_wakeup(struct perf_event *event) { ring_buffer_wakeup(event); if (event->pending_kill) { - kill_fasync(&event->fasync, SIGIO, event->pending_kill); + kill_fasync(perf_event_fasync(event), SIGIO, event->pending_kill); event->pending_kill = 0; } } @@ -6124,7 +6167,7 @@ static int __perf_event_overflow(struct perf_event *event, else perf_event_output(event, data, regs); - if (event->fasync && event->pending_kill) { + if (*perf_event_fasync(event) && event->pending_kill) { event->pending_wakeup = 1; irq_work_queue(&event->pending); } diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c index b2be01b1aa9d..c8aa3f75bc4d 100644 --- a/kernel/events/ring_buffer.c +++ b/kernel/events/ring_buffer.c @@ -559,11 +559,13 @@ static void __rb_free_aux(struct ring_buffer *rb) rb->aux_priv = NULL; } - for (pg = 0; pg < rb->aux_nr_pages; pg++) - rb_free_aux_page(rb, pg); + if (rb->aux_nr_pages) { + for (pg = 0; pg < rb->aux_nr_pages; pg++) + rb_free_aux_page(rb, pg); - kfree(rb->aux_pages); - rb->aux_nr_pages = 0; + kfree(rb->aux_pages); + rb->aux_nr_pages = 0; + } } void rb_free_aux(struct ring_buffer *rb) diff --git a/kernel/fork.c b/kernel/fork.c index 1bfefc6f96a4..dbd9b8d7b7cc 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -287,6 +287,11 @@ static void set_max_threads(unsigned int max_threads_suggested) max_threads = clamp_t(u64, threads, MIN_THREADS, MAX_THREADS); } +#ifdef CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT +/* Initialized by the architecture: */ +int arch_task_struct_size __read_mostly; +#endif + void __init fork_init(void) { #ifndef CONFIG_ARCH_TASK_STRUCT_ALLOCATOR @@ -295,7 +300,7 @@ void __init fork_init(void) #endif /* create a slab on which task_structs can be allocated */ task_struct_cachep = - kmem_cache_create("task_struct", sizeof(struct task_struct), + kmem_cache_create("task_struct", arch_task_struct_size, ARCH_MIN_TASKALIGN, SLAB_PANIC | SLAB_NOTRACK, NULL); #endif diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 27f4332c7f84..ae216824e8ca 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -985,6 +985,23 @@ int irq_chip_set_affinity_parent(struct irq_data *data, } /** + * irq_chip_set_type_parent - Set IRQ type on the parent interrupt + * @data: Pointer to interrupt specific data + * @type: IRQ_TYPE_{LEVEL,EDGE}_* value - see include/linux/irq.h + * + * Conditional, as the underlying parent chip might not implement it. + */ +int irq_chip_set_type_parent(struct irq_data *data, unsigned int type) +{ + data = data->parent_data; + + if (data->chip->irq_set_type) + return data->chip->irq_set_type(data, type); + + return -ENOSYS; +} + +/** * irq_chip_retrigger_hierarchy - Retrigger an interrupt in hardware * @data: Pointer to interrupt specific data * @@ -997,7 +1014,7 @@ int irq_chip_retrigger_hierarchy(struct irq_data *data) if (data->chip && data->chip->irq_retrigger) return data->chip->irq_retrigger(data); - return -ENOSYS; + return 0; } /** diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c index 9065107f083e..7a5237a1bce5 100644 --- a/kernel/irq/resend.c +++ b/kernel/irq/resend.c @@ -75,13 +75,21 @@ void check_irq_resend(struct irq_desc *desc, unsigned int irq) !desc->irq_data.chip->irq_retrigger(&desc->irq_data)) { #ifdef CONFIG_HARDIRQS_SW_RESEND /* - * If the interrupt has a parent irq and runs - * in the thread context of the parent irq, - * retrigger the parent. + * If the interrupt is running in the thread + * context of the parent irq we need to be + * careful, because we cannot trigger it + * directly. */ - if (desc->parent_irq && - irq_settings_is_nested_thread(desc)) + if (irq_settings_is_nested_thread(desc)) { + /* + * If the parent_irq is valid, we + * retrigger the parent, otherwise we + * do nothing. + */ + if (!desc->parent_irq) + return; irq = desc->parent_irq; + } /* Set it pending and activate the softirq: */ set_bit(irq, irqs_resend); tasklet_schedule(&resend_tasklet); diff --git a/kernel/kthread.c b/kernel/kthread.c index 10e489c448fe..fdea0bee7b5a 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -97,6 +97,7 @@ bool kthread_should_park(void) { return test_bit(KTHREAD_SHOULD_PARK, &to_kthread(current)->flags); } +EXPORT_SYMBOL_GPL(kthread_should_park); /** * kthread_freezable_should_stop - should this freezable kthread return now? @@ -171,6 +172,7 @@ void kthread_parkme(void) { __kthread_parkme(to_kthread(current)); } +EXPORT_SYMBOL_GPL(kthread_parkme); static int kthread(void *_create) { @@ -411,6 +413,7 @@ void kthread_unpark(struct task_struct *k) if (kthread) __kthread_unpark(k, kthread); } +EXPORT_SYMBOL_GPL(kthread_unpark); /** * kthread_park - park a thread created by kthread_create(). @@ -441,6 +444,7 @@ int kthread_park(struct task_struct *k) } return ret; } +EXPORT_SYMBOL_GPL(kthread_park); /** * kthread_stop - stop a thread created by kthread_create(). diff --git a/kernel/locking/qspinlock_paravirt.h b/kernel/locking/qspinlock_paravirt.h index 04ab18151cc8..df19ae4debd0 100644 --- a/kernel/locking/qspinlock_paravirt.h +++ b/kernel/locking/qspinlock_paravirt.h @@ -4,6 +4,7 @@ #include <linux/hash.h> #include <linux/bootmem.h> +#include <linux/debug_locks.h> /* * Implement paravirt qspinlocks; the general idea is to halt the vcpus instead @@ -286,15 +287,23 @@ __visible void __pv_queued_spin_unlock(struct qspinlock *lock) { struct __qspinlock *l = (void *)lock; struct pv_node *node; + u8 lockval = cmpxchg(&l->locked, _Q_LOCKED_VAL, 0); /* * We must not unlock if SLOW, because in that case we must first * unhash. Otherwise it would be possible to have multiple @lock * entries, which would be BAD. */ - if (likely(cmpxchg(&l->locked, _Q_LOCKED_VAL, 0) == _Q_LOCKED_VAL)) + if (likely(lockval == _Q_LOCKED_VAL)) return; + if (unlikely(lockval != _Q_SLOW_VAL)) { + if (debug_locks_silent) + return; + WARN(1, "pvqspinlock: lock %p has corrupted value 0x%x!\n", lock, atomic_read(&lock->val)); + return; + } + /* * Since the above failed to release, this must be the SLOW path. * Therefore start by looking up the blocked node and unhashing it. diff --git a/kernel/module.c b/kernel/module.c index 4d2b82e610e2..b86b7bf1be38 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -602,13 +602,16 @@ const struct kernel_symbol *find_symbol(const char *name, } EXPORT_SYMBOL_GPL(find_symbol); -/* Search for module by name: must hold module_mutex. */ +/* + * Search for module by name: must hold module_mutex (or preempt disabled + * for read-only access). + */ static struct module *find_module_all(const char *name, size_t len, bool even_unformed) { struct module *mod; - module_assert_mutex(); + module_assert_mutex_or_preempt(); list_for_each_entry(mod, &modules, list) { if (!even_unformed && mod->state == MODULE_STATE_UNFORMED) @@ -621,6 +624,7 @@ static struct module *find_module_all(const char *name, size_t len, struct module *find_module(const char *name) { + module_assert_mutex(); return find_module_all(name, strlen(name), false); } EXPORT_SYMBOL_GPL(find_module); diff --git a/kernel/resource.c b/kernel/resource.c index 90552aab5f2d..fed052a1bc9f 100644 --- a/kernel/resource.c +++ b/kernel/resource.c @@ -504,13 +504,13 @@ int region_is_ram(resource_size_t start, unsigned long size) { struct resource *p; resource_size_t end = start + size - 1; - int flags = IORESOURCE_MEM | IORESOURCE_BUSY; + unsigned long flags = IORESOURCE_MEM | IORESOURCE_BUSY; const char *name = "System RAM"; int ret = -1; read_lock(&resource_lock); for (p = iomem_resource.child; p ; p = p->sibling) { - if (end < p->start) + if (p->end < start) continue; if (p->start <= start && end <= p->end) { @@ -521,7 +521,7 @@ int region_is_ram(resource_size_t start, unsigned long size) ret = 1; break; } - if (p->end < start) + if (end < p->start) break; /* not found */ } read_unlock(&resource_lock); diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 65c8f3ebdc3c..d113c3ba8bc4 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3683,7 +3683,7 @@ static void throttle_cfs_rq(struct cfs_rq *cfs_rq) cfs_rq->throttled = 1; cfs_rq->throttled_clock = rq_clock(rq); raw_spin_lock(&cfs_b->lock); - empty = list_empty(&cfs_rq->throttled_list); + empty = list_empty(&cfs_b->throttled_cfs_rq); /* * Add to the _head_ of the list, so that an already-started diff --git a/kernel/signal.c b/kernel/signal.c index 836df8dac6cc..0f6bbbe77b46 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2748,12 +2748,15 @@ int copy_siginfo_to_user(siginfo_t __user *to, const siginfo_t *from) * Other callers might not initialize the si_lsb field, * so check explicitly for the right codes here. */ - if (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO) + if (from->si_signo == SIGBUS && + (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO)) err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb); #endif #ifdef SEGV_BNDERR - err |= __put_user(from->si_lower, &to->si_lower); - err |= __put_user(from->si_upper, &to->si_upper); + if (from->si_signo == SIGSEGV && from->si_code == SEGV_BNDERR) { + err |= __put_user(from->si_lower, &to->si_lower); + err |= __put_user(from->si_upper, &to->si_upper); + } #endif break; case __SI_CHLD: @@ -3017,7 +3020,7 @@ COMPAT_SYSCALL_DEFINE3(rt_sigqueueinfo, int, sig, struct compat_siginfo __user *, uinfo) { - siginfo_t info; + siginfo_t info = {}; int ret = copy_siginfo_from_user32(&info, uinfo); if (unlikely(ret)) return ret; @@ -3061,7 +3064,7 @@ COMPAT_SYSCALL_DEFINE4(rt_tgsigqueueinfo, int, sig, struct compat_siginfo __user *, uinfo) { - siginfo_t info; + siginfo_t info = {}; if (copy_siginfo_from_user32(&info, uinfo)) return -EFAULT; diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index 52b9e199b5ac..f6aae7977824 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -839,7 +839,6 @@ out: raw_spin_unlock(&tick_broadcast_lock); return ret; } -EXPORT_SYMBOL_GPL(tick_broadcast_oneshot_control); /* * Reset the one shot broadcast for a cpu diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 55e13efff1ab..f8bf47571dda 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -363,6 +363,7 @@ int tick_broadcast_oneshot_control(enum tick_broadcast_state state) return __tick_broadcast_oneshot_control(state); } +EXPORT_SYMBOL_GPL(tick_broadcast_oneshot_control); #ifdef CONFIG_HOTPLUG_CPU /* diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 5e097fa9faf7..84190f02b521 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -807,8 +807,8 @@ __mod_timer(struct timer_list *timer, unsigned long expires, spin_unlock(&base->lock); base = new_base; spin_lock(&base->lock); - timer->flags &= ~TIMER_BASEMASK; - timer->flags |= base->cpu; + WRITE_ONCE(timer->flags, + (timer->flags & ~TIMER_BASEMASK) | base->cpu); } } diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 02bece4a99ea..eb11011b5292 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -98,6 +98,13 @@ struct ftrace_pid { struct pid *pid; }; +static bool ftrace_pids_enabled(void) +{ + return !list_empty(&ftrace_pids); +} + +static void ftrace_update_trampoline(struct ftrace_ops *ops); + /* * ftrace_disabled is set when an anomaly is discovered. * ftrace_disabled is much stronger than ftrace_enabled. @@ -109,7 +116,6 @@ static DEFINE_MUTEX(ftrace_lock); static struct ftrace_ops *ftrace_control_list __read_mostly = &ftrace_list_end; static struct ftrace_ops *ftrace_ops_list __read_mostly = &ftrace_list_end; ftrace_func_t ftrace_trace_function __read_mostly = ftrace_stub; -ftrace_func_t ftrace_pid_function __read_mostly = ftrace_stub; static struct ftrace_ops global_ops; static struct ftrace_ops control_ops; @@ -183,14 +189,7 @@ static void ftrace_pid_func(unsigned long ip, unsigned long parent_ip, if (!test_tsk_trace_trace(current)) return; - ftrace_pid_function(ip, parent_ip, op, regs); -} - -static void set_ftrace_pid_function(ftrace_func_t func) -{ - /* do not set ftrace_pid_function to itself! */ - if (func != ftrace_pid_func) - ftrace_pid_function = func; + op->saved_func(ip, parent_ip, op, regs); } /** @@ -202,7 +201,6 @@ static void set_ftrace_pid_function(ftrace_func_t func) void clear_ftrace_function(void) { ftrace_trace_function = ftrace_stub; - ftrace_pid_function = ftrace_stub; } static void control_ops_disable_all(struct ftrace_ops *ops) @@ -436,6 +434,12 @@ static int __register_ftrace_function(struct ftrace_ops *ops) } else add_ftrace_ops(&ftrace_ops_list, ops); + /* Always save the function, and reset at unregistering */ + ops->saved_func = ops->func; + + if (ops->flags & FTRACE_OPS_FL_PID && ftrace_pids_enabled()) + ops->func = ftrace_pid_func; + ftrace_update_trampoline(ops); if (ftrace_enabled) @@ -463,15 +467,28 @@ static int __unregister_ftrace_function(struct ftrace_ops *ops) if (ftrace_enabled) update_ftrace_function(); + ops->func = ops->saved_func; + return 0; } static void ftrace_update_pid_func(void) { + bool enabled = ftrace_pids_enabled(); + struct ftrace_ops *op; + /* Only do something if we are tracing something */ if (ftrace_trace_function == ftrace_stub) return; + do_for_each_ftrace_op(op, ftrace_ops_list) { + if (op->flags & FTRACE_OPS_FL_PID) { + op->func = enabled ? ftrace_pid_func : + op->saved_func; + ftrace_update_trampoline(op); + } + } while_for_each_ftrace_op(op); + update_ftrace_function(); } @@ -1133,7 +1150,8 @@ static struct ftrace_ops global_ops = { .local_hash.filter_hash = EMPTY_HASH, INIT_OPS_HASH(global_ops) .flags = FTRACE_OPS_FL_RECURSION_SAFE | - FTRACE_OPS_FL_INITIALIZED, + FTRACE_OPS_FL_INITIALIZED | + FTRACE_OPS_FL_PID, }; /* @@ -5023,7 +5041,9 @@ static void ftrace_update_trampoline(struct ftrace_ops *ops) static struct ftrace_ops global_ops = { .func = ftrace_stub, - .flags = FTRACE_OPS_FL_RECURSION_SAFE | FTRACE_OPS_FL_INITIALIZED, + .flags = FTRACE_OPS_FL_RECURSION_SAFE | + FTRACE_OPS_FL_INITIALIZED | + FTRACE_OPS_FL_PID, }; static int __init ftrace_nodyn_init(void) @@ -5080,11 +5100,6 @@ void ftrace_init_array_ops(struct trace_array *tr, ftrace_func_t func) if (WARN_ON(tr->ops->func != ftrace_stub)) printk("ftrace ops had %pS for function\n", tr->ops->func); - /* Only the top level instance does pid tracing */ - if (!list_empty(&ftrace_pids)) { - set_ftrace_pid_function(func); - func = ftrace_pid_func; - } } tr->ops->func = func; tr->ops->private = tr; @@ -5371,7 +5386,7 @@ static void *fpid_start(struct seq_file *m, loff_t *pos) { mutex_lock(&ftrace_lock); - if (list_empty(&ftrace_pids) && (!*pos)) + if (!ftrace_pids_enabled() && (!*pos)) return (void *) 1; return seq_list_start(&ftrace_pids, *pos); @@ -5610,6 +5625,7 @@ static struct ftrace_ops graph_ops = { .func = ftrace_stub, .flags = FTRACE_OPS_FL_RECURSION_SAFE | FTRACE_OPS_FL_INITIALIZED | + FTRACE_OPS_FL_PID | FTRACE_OPS_FL_STUB, #ifdef FTRACE_GRAPH_TRAMP_ADDR .trampoline = FTRACE_GRAPH_TRAMP_ADDR, diff --git a/lib/decompress.c b/lib/decompress.c index 528ff932d8e4..62696dff5730 100644 --- a/lib/decompress.c +++ b/lib/decompress.c @@ -59,8 +59,11 @@ decompress_fn __init decompress_method(const unsigned char *inbuf, long len, { const struct compress_format *cf; - if (len < 2) + if (len < 2) { + if (name) + *name = NULL; return NULL; /* Need at least this much... */ + } pr_debug("Compressed data magic: %#.2x %#.2x\n", inbuf[0], inbuf[1]); diff --git a/lib/dma-debug.c b/lib/dma-debug.c index ae4b65e17e64..dace71fe41f7 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -574,6 +574,9 @@ void debug_dma_assert_idle(struct page *page) unsigned long flags; phys_addr_t cln; + if (dma_debug_disabled()) + return; + if (!page) return; diff --git a/lib/hexdump.c b/lib/hexdump.c index 7ea09699855d..8d74c20d8595 100644 --- a/lib/hexdump.c +++ b/lib/hexdump.c @@ -11,6 +11,7 @@ #include <linux/ctype.h> #include <linux/kernel.h> #include <linux/export.h> +#include <asm/unaligned.h> const char hex_asc[] = "0123456789abcdef"; EXPORT_SYMBOL(hex_asc); @@ -139,7 +140,7 @@ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, for (j = 0; j < ngroups; j++) { ret = snprintf(linebuf + lx, linebuflen - lx, "%s%16.16llx", j ? " " : "", - (unsigned long long)*(ptr8 + j)); + get_unaligned(ptr8 + j)); if (ret >= linebuflen - lx) goto overflow1; lx += ret; @@ -150,7 +151,7 @@ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, for (j = 0; j < ngroups; j++) { ret = snprintf(linebuf + lx, linebuflen - lx, "%s%8.8x", j ? " " : "", - *(ptr4 + j)); + get_unaligned(ptr4 + j)); if (ret >= linebuflen - lx) goto overflow1; lx += ret; @@ -161,7 +162,7 @@ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, for (j = 0; j < ngroups; j++) { ret = snprintf(linebuf + lx, linebuflen - lx, "%s%4.4x", j ? " " : "", - *(ptr2 + j)); + get_unaligned(ptr2 + j)); if (ret >= linebuflen - lx) goto overflow1; lx += ret; diff --git a/lib/iommu-common.c b/lib/iommu-common.c index df30632f0bef..ff19f66d3f7f 100644 --- a/lib/iommu-common.c +++ b/lib/iommu-common.c @@ -119,7 +119,7 @@ unsigned long iommu_tbl_range_alloc(struct device *dev, unsigned long align_mask = 0; if (align_order > 0) - align_mask = 0xffffffffffffffffl >> (64 - align_order); + align_mask = ~0ul >> (BITS_PER_LONG - align_order); /* Sanity check */ if (unlikely(npages == 0)) { diff --git a/lib/klist.c b/lib/klist.c index 89b485a2a58d..d74cf7a29afd 100644 --- a/lib/klist.c +++ b/lib/klist.c @@ -324,6 +324,47 @@ static struct klist_node *to_klist_node(struct list_head *n) } /** + * klist_prev - Ante up prev node in list. + * @i: Iterator structure. + * + * First grab list lock. Decrement the reference count of the previous + * node, if there was one. Grab the prev node, increment its reference + * count, drop the lock, and return that prev node. + */ +struct klist_node *klist_prev(struct klist_iter *i) +{ + void (*put)(struct klist_node *) = i->i_klist->put; + struct klist_node *last = i->i_cur; + struct klist_node *prev; + + spin_lock(&i->i_klist->k_lock); + + if (last) { + prev = to_klist_node(last->n_node.prev); + if (!klist_dec_and_del(last)) + put = NULL; + } else + prev = to_klist_node(i->i_klist->k_list.prev); + + i->i_cur = NULL; + while (prev != to_klist_node(&i->i_klist->k_list)) { + if (likely(!knode_dead(prev))) { + kref_get(&prev->n_ref); + i->i_cur = prev; + break; + } + prev = to_klist_node(prev->n_node.prev); + } + + spin_unlock(&i->i_klist->k_lock); + + if (put && last) + put(last); + return i->i_cur; +} +EXPORT_SYMBOL_GPL(klist_prev); + +/** * klist_next - Ante up next node in list. * @i: Iterator structure. * diff --git a/lib/kobject.c b/lib/kobject.c index 2e3bd01964a9..3e3a5c3cb330 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -337,8 +337,9 @@ error: } EXPORT_SYMBOL(kobject_init); -static int kobject_add_varg(struct kobject *kobj, struct kobject *parent, - const char *fmt, va_list vargs) +static __printf(3, 0) int kobject_add_varg(struct kobject *kobj, + struct kobject *parent, + const char *fmt, va_list vargs) { int retval; @@ -16,7 +16,7 @@ struct cma { extern struct cma cma_areas[MAX_CMA_AREAS]; extern unsigned cma_area_count; -static unsigned long cma_bitmap_maxno(struct cma *cma) +static inline unsigned long cma_bitmap_maxno(struct cma *cma) { return cma->count >> cma->order_per_bit; } diff --git a/mm/cma_debug.c b/mm/cma_debug.c index 7621ee34daa0..f8e4b60db167 100644 --- a/mm/cma_debug.c +++ b/mm/cma_debug.c @@ -39,7 +39,7 @@ static int cma_used_get(void *data, u64 *val) mutex_lock(&cma->lock); /* pages counter is smaller than sizeof(int) */ - used = bitmap_weight(cma->bitmap, (int)cma->count); + used = bitmap_weight(cma->bitmap, (int)cma_bitmap_maxno(cma)); mutex_unlock(&cma->lock); *val = (u64)used << cma->order_per_bit; @@ -52,13 +52,14 @@ static int cma_maxchunk_get(void *data, u64 *val) struct cma *cma = data; unsigned long maxchunk = 0; unsigned long start, end = 0; + unsigned long bitmap_maxno = cma_bitmap_maxno(cma); mutex_lock(&cma->lock); for (;;) { - start = find_next_zero_bit(cma->bitmap, cma->count, end); + start = find_next_zero_bit(cma->bitmap, bitmap_maxno, end); if (start >= cma->count) break; - end = find_next_bit(cma->bitmap, cma->count, start); + end = find_next_bit(cma->bitmap, bitmap_maxno, start); maxchunk = max(end - start, maxchunk); } mutex_unlock(&cma->lock); @@ -170,10 +171,10 @@ static void cma_debugfs_add_one(struct cma *cma, int idx) tmp = debugfs_create_dir(name, cma_debugfs_root); - debugfs_create_file("alloc", S_IWUSR, cma_debugfs_root, cma, + debugfs_create_file("alloc", S_IWUSR, tmp, cma, &cma_alloc_fops); - debugfs_create_file("free", S_IWUSR, cma_debugfs_root, cma, + debugfs_create_file("free", S_IWUSR, tmp, cma, &cma_free_fops); debugfs_create_file("base_pfn", S_IRUGO, tmp, diff --git a/mm/huge_memory.c b/mm/huge_memory.c index c107094f79ba..097c7a4bfbd9 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1676,12 +1676,7 @@ static void __split_huge_page_refcount(struct page *page, /* after clearing PageTail the gup refcount can be released */ smp_mb__after_atomic(); - /* - * retain hwpoison flag of the poisoned tail page: - * fix for the unsuitable process killed on Guest Machine(KVM) - * by the memory-failure. - */ - page_tail->flags &= ~PAGE_FLAGS_CHECK_AT_PREP | __PG_HWPOISON; + page_tail->flags &= ~PAGE_FLAGS_CHECK_AT_PREP; page_tail->flags |= (page->flags & ((1L << PG_referenced) | (1L << PG_swapbacked) | diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c index 6c513a63ea84..7b28e9cdf1c7 100644 --- a/mm/kasan/kasan.c +++ b/mm/kasan/kasan.c @@ -2,7 +2,7 @@ * This file contains shadow memory manipulation code. * * Copyright (c) 2014 Samsung Electronics Co., Ltd. - * Author: Andrey Ryabinin <a.ryabinin@samsung.com> + * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com> * * Some of code borrowed from https://github.com/xairy/linux by * Andrey Konovalov <adech.fo@gmail.com> diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 680ceedf810a..e07c94fbd0ac 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -2,7 +2,7 @@ * This file contains error reporting code. * * Copyright (c) 2014 Samsung Electronics Co., Ltd. - * Author: Andrey Ryabinin <a.ryabinin@samsung.com> + * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com> * * Some of code borrowed from https://github.com/xairy/linux by * Andrey Konovalov <adech.fo@gmail.com> diff --git a/mm/memory-failure.c b/mm/memory-failure.c index c53543d89282..1f4446a90cef 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -909,6 +909,18 @@ int get_hwpoison_page(struct page *page) * directly for tail pages. */ if (PageTransHuge(head)) { + /* + * Non anonymous thp exists only in allocation/free time. We + * can't handle such a case correctly, so let's give it up. + * This should be better than triggering BUG_ON when kernel + * tries to touch the "partially handled" page. + */ + if (!PageAnon(head)) { + pr_err("MCE: %#lx: non anonymous thp\n", + page_to_pfn(page)); + return 0; + } + if (get_page_unless_zero(head)) { if (PageTail(page)) get_page(page); @@ -1134,17 +1146,11 @@ int memory_failure(unsigned long pfn, int trapno, int flags) } if (!PageHuge(p) && PageTransHuge(hpage)) { - if (!PageAnon(hpage)) { - pr_err("MCE: %#lx: non anonymous thp\n", pfn); - if (TestClearPageHWPoison(p)) - atomic_long_sub(nr_pages, &num_poisoned_pages); - put_page(p); - if (p != hpage) - put_page(hpage); - return -EBUSY; - } - if (unlikely(split_huge_page(hpage))) { - pr_err("MCE: %#lx: thp split failed\n", pfn); + if (!PageAnon(hpage) || unlikely(split_huge_page(hpage))) { + if (!PageAnon(hpage)) + pr_err("MCE: %#lx: non anonymous thp\n", pfn); + else + pr_err("MCE: %#lx: thp split failed\n", pfn); if (TestClearPageHWPoison(p)) atomic_long_sub(nr_pages, &num_poisoned_pages); put_page(p); @@ -1209,9 +1215,9 @@ int memory_failure(unsigned long pfn, int trapno, int flags) if (!PageHWPoison(p)) { printk(KERN_ERR "MCE %#lx: just unpoisoned\n", pfn); atomic_long_sub(nr_pages, &num_poisoned_pages); + unlock_page(hpage); put_page(hpage); - res = 0; - goto out; + return 0; } if (hwpoison_filter(p)) { if (TestClearPageHWPoison(p)) @@ -1535,6 +1541,8 @@ static int get_any_page(struct page *page, unsigned long pfn, int flags) */ ret = __get_any_page(page, pfn, 0); if (!PageLRU(page)) { + /* Drop page reference which is from __get_any_page() */ + put_page(page); pr_info("soft_offline: %#lx: unknown non LRU page type %lx\n", pfn, page->flags); return -EIO; @@ -1564,13 +1572,12 @@ static int soft_offline_huge_page(struct page *page, int flags) unlock_page(hpage); ret = isolate_huge_page(hpage, &pagelist); - if (ret) { - /* - * get_any_page() and isolate_huge_page() takes a refcount each, - * so need to drop one here. - */ - put_page(hpage); - } else { + /* + * get_any_page() and isolate_huge_page() takes a refcount each, + * so need to drop one here. + */ + put_page(hpage); + if (!ret) { pr_info("soft offline: %#lx hugepage failed to isolate\n", pfn); return -EBUSY; } @@ -1656,6 +1663,8 @@ static int __soft_offline_page(struct page *page, int flags) inc_zone_page_state(page, NR_ISOLATED_ANON + page_is_file_cache(page)); list_add(&page->lru, &pagelist); + if (!TestSetPageHWPoison(page)) + atomic_long_inc(&num_poisoned_pages); ret = migrate_pages(&pagelist, new_page, NULL, MPOL_MF_MOVE_ALL, MIGRATE_SYNC, MR_MEMORY_FAILURE); if (ret) { @@ -1670,9 +1679,8 @@ static int __soft_offline_page(struct page *page, int flags) pfn, ret, page->flags); if (ret > 0) ret = -EIO; - } else { - SetPageHWPoison(page); - atomic_long_inc(&num_poisoned_pages); + if (TestClearPageHWPoison(page)) + atomic_long_dec(&num_poisoned_pages); } } else { pr_info("soft offline: %#lx: isolation failed: %d, page count %d, type %lx\n", diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 26fbba7d888f..6da82bcb0a8b 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -446,7 +446,7 @@ static int __meminit __add_zone(struct zone *zone, unsigned long phys_start_pfn) int nr_pages = PAGES_PER_SECTION; int nid = pgdat->node_id; int zone_type; - unsigned long flags; + unsigned long flags, pfn; int ret; zone_type = zone - pgdat->node_zones; @@ -461,6 +461,14 @@ static int __meminit __add_zone(struct zone *zone, unsigned long phys_start_pfn) pgdat_resize_unlock(zone->zone_pgdat, &flags); memmap_init_zone(nr_pages, nid, zone_type, phys_start_pfn, MEMMAP_HOTPLUG); + + /* online_page_range is called later and expects pages reserved */ + for (pfn = phys_start_pfn; pfn < phys_start_pfn + nr_pages; pfn++) { + if (!pfn_valid(pfn)) + continue; + + SetPageReserved(pfn_to_page(pfn)); + } return 0; } @@ -1269,6 +1277,7 @@ int __ref add_memory(int nid, u64 start, u64 size) /* create new memmap entry */ firmware_map_add_hotplug(start, start + size, "System RAM"); + memblock_add_node(start, size, nid); goto out; @@ -2005,6 +2014,8 @@ void __ref remove_memory(int nid, u64 start, u64 size) /* remove memmap entry */ firmware_map_remove(start, start + size, "System RAM"); + memblock_free(start, size); + memblock_remove(start, size); arch_remove_memory(start, size); diff --git a/mm/migrate.c b/mm/migrate.c index ee401e4e5ef1..eb4267107d1f 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -880,7 +880,8 @@ static int __unmap_and_move(struct page *page, struct page *newpage, /* Establish migration ptes or remove ptes */ if (page_mapped(page)) { try_to_unmap(page, - TTU_MIGRATION|TTU_IGNORE_MLOCK|TTU_IGNORE_ACCESS); + TTU_MIGRATION|TTU_IGNORE_MLOCK|TTU_IGNORE_ACCESS| + TTU_IGNORE_HWPOISON); page_was_mapped = 1; } @@ -950,7 +951,10 @@ out: list_del(&page->lru); dec_zone_page_state(page, NR_ISOLATED_ANON + page_is_file_cache(page)); - if (reason != MR_MEMORY_FAILURE) + /* Soft-offlined page shouldn't go through lru cache list */ + if (reason == MR_MEMORY_FAILURE) + put_page(page); + else putback_lru_page(page); } diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 22cddd3e5de8..5cccc127ef81 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2063,10 +2063,10 @@ static struct notifier_block ratelimit_nb = { */ void __init page_writeback_init(void) { + BUG_ON(wb_domain_init(&global_wb_domain, GFP_KERNEL)); + writeback_set_ratelimit(); register_cpu_notifier(&ratelimit_nb); - - BUG_ON(wb_domain_init(&global_wb_domain, GFP_KERNEL)); } /** diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 506eac8b38af..5b5240b7f642 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -18,7 +18,6 @@ #include <linux/mm.h> #include <linux/swap.h> #include <linux/interrupt.h> -#include <linux/rwsem.h> #include <linux/pagemap.h> #include <linux/jiffies.h> #include <linux/bootmem.h> @@ -246,9 +245,7 @@ static inline void reset_deferred_meminit(pg_data_t *pgdat) /* Returns true if the struct page for the pfn is uninitialised */ static inline bool __meminit early_page_uninitialised(unsigned long pfn) { - int nid = early_pfn_to_nid(pfn); - - if (pfn >= NODE_DATA(nid)->first_deferred_pfn) + if (pfn >= NODE_DATA(early_pfn_to_nid(pfn))->first_deferred_pfn) return true; return false; @@ -983,21 +980,21 @@ static void __init __free_pages_boot_core(struct page *page, #if defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID) || \ defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) -/* Only safe to use early in boot when initialisation is single-threaded */ + static struct mminit_pfnnid_cache early_pfnnid_cache __meminitdata; int __meminit early_pfn_to_nid(unsigned long pfn) { + static DEFINE_SPINLOCK(early_pfn_lock); int nid; - /* The system will behave unpredictably otherwise */ - BUG_ON(system_state != SYSTEM_BOOTING); - + spin_lock(&early_pfn_lock); nid = __early_pfn_to_nid(pfn, &early_pfnnid_cache); - if (nid >= 0) - return nid; - /* just returns 0 */ - return 0; + if (nid < 0) + nid = 0; + spin_unlock(&early_pfn_lock); + + return nid; } #endif @@ -1062,7 +1059,15 @@ static void __init deferred_free_range(struct page *page, __free_pages_boot_core(page, pfn, 0); } -static __initdata DECLARE_RWSEM(pgdat_init_rwsem); +/* Completion tracking for deferred_init_memmap() threads */ +static atomic_t pgdat_init_n_undone __initdata; +static __initdata DECLARE_COMPLETION(pgdat_init_all_done_comp); + +static inline void __init pgdat_init_report_one_done(void) +{ + if (atomic_dec_and_test(&pgdat_init_n_undone)) + complete(&pgdat_init_all_done_comp); +} /* Initialise remaining memory on a node */ static int __init deferred_init_memmap(void *data) @@ -1079,7 +1084,7 @@ static int __init deferred_init_memmap(void *data) const struct cpumask *cpumask = cpumask_of_node(pgdat->node_id); if (first_init_pfn == ULONG_MAX) { - up_read(&pgdat_init_rwsem); + pgdat_init_report_one_done(); return 0; } @@ -1179,7 +1184,8 @@ free_range: pr_info("node %d initialised, %lu pages in %ums\n", nid, nr_pages, jiffies_to_msecs(jiffies - start)); - up_read(&pgdat_init_rwsem); + + pgdat_init_report_one_done(); return 0; } @@ -1187,14 +1193,17 @@ void __init page_alloc_init_late(void) { int nid; + /* There will be num_node_state(N_MEMORY) threads */ + atomic_set(&pgdat_init_n_undone, num_node_state(N_MEMORY)); for_each_node_state(nid, N_MEMORY) { - down_read(&pgdat_init_rwsem); kthread_run(deferred_init_memmap, NODE_DATA(nid), "pgdatinit%d", nid); } /* Block until all are initialised */ - down_write(&pgdat_init_rwsem); - up_write(&pgdat_init_rwsem); + wait_for_completion(&pgdat_init_all_done_comp); + + /* Reinit limits that are based on free pages after the kernel is up */ + files_maxfiles_init(); } #endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */ @@ -1287,6 +1296,10 @@ static inline int check_new_page(struct page *page) bad_reason = "non-NULL mapping"; if (unlikely(atomic_read(&page->_count) != 0)) bad_reason = "nonzero _count"; + if (unlikely(page->flags & __PG_HWPOISON)) { + bad_reason = "HWPoisoned (hardware-corrupted)"; + bad_flags = __PG_HWPOISON; + } if (unlikely(page->flags & PAGE_FLAGS_CHECK_AT_PREP)) { bad_reason = "PAGE_FLAGS_CHECK_AT_PREP flag set"; bad_flags = PAGE_FLAGS_CHECK_AT_PREP; @@ -1330,12 +1343,15 @@ static int prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags, set_page_owner(page, order, gfp_flags); /* - * page->pfmemalloc is set when ALLOC_NO_WATERMARKS was necessary to + * page is set pfmemalloc when ALLOC_NO_WATERMARKS was necessary to * allocate the page. The expectation is that the caller is taking * steps that will free more memory. The caller should avoid the page * being used for !PFMEMALLOC purposes. */ - page->pfmemalloc = !!(alloc_flags & ALLOC_NO_WATERMARKS); + if (alloc_flags & ALLOC_NO_WATERMARKS) + set_page_pfmemalloc(page); + else + clear_page_pfmemalloc(page); return 0; } @@ -1950,6 +1966,7 @@ void free_hot_cold_page_list(struct list_head *list, bool cold) void split_page(struct page *page, unsigned int order) { int i; + gfp_t gfp_mask; VM_BUG_ON_PAGE(PageCompound(page), page); VM_BUG_ON_PAGE(!page_count(page), page); @@ -1963,10 +1980,11 @@ void split_page(struct page *page, unsigned int order) split_page(virt_to_page(page[0].shadow), order); #endif - set_page_owner(page, 0, 0); + gfp_mask = get_page_owner_gfp(page); + set_page_owner(page, 0, gfp_mask); for (i = 1; i < (1 << order); i++) { set_page_refcounted(page + i); - set_page_owner(page + i, 0, 0); + set_page_owner(page + i, 0, gfp_mask); } } EXPORT_SYMBOL_GPL(split_page); @@ -1996,6 +2014,8 @@ int __isolate_free_page(struct page *page, unsigned int order) zone->free_area[order].nr_free--; rmv_page_order(page); + set_page_owner(page, order, __GFP_MOVABLE); + /* Set the pageblock if the isolated page is at least a pageblock */ if (order >= pageblock_order - 1) { struct page *endpage = page + (1 << order) - 1; @@ -2007,7 +2027,7 @@ int __isolate_free_page(struct page *page, unsigned int order) } } - set_page_owner(page, order, 0); + return 1UL << order; } @@ -3328,7 +3348,7 @@ refill: atomic_add(size - 1, &page->_count); /* reset page count bias and offset to start of new frag */ - nc->pfmemalloc = page->pfmemalloc; + nc->pfmemalloc = page_is_pfmemalloc(page); nc->pagecnt_bias = size; nc->offset = size; } @@ -5043,6 +5063,10 @@ static unsigned long __meminit zone_spanned_pages_in_node(int nid, { unsigned long zone_start_pfn, zone_end_pfn; + /* When hotadd a new node, the node should be empty */ + if (!node_start_pfn && !node_end_pfn) + return 0; + /* Get the start and end of the zone */ zone_start_pfn = arch_zone_lowest_possible_pfn[zone_type]; zone_end_pfn = arch_zone_highest_possible_pfn[zone_type]; @@ -5106,6 +5130,10 @@ static unsigned long __meminit zone_absent_pages_in_node(int nid, unsigned long zone_high = arch_zone_highest_possible_pfn[zone_type]; unsigned long zone_start_pfn, zone_end_pfn; + /* When hotadd a new node, the node should be empty */ + if (!node_start_pfn && !node_end_pfn) + return 0; + zone_start_pfn = clamp(node_start_pfn, zone_low, zone_high); zone_end_pfn = clamp(node_end_pfn, zone_low, zone_high); diff --git a/mm/page_owner.c b/mm/page_owner.c index bd5f842b56d2..983c3a10fa07 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -76,6 +76,13 @@ void __set_page_owner(struct page *page, unsigned int order, gfp_t gfp_mask) __set_bit(PAGE_EXT_OWNER, &page_ext->flags); } +gfp_t __get_page_owner_gfp(struct page *page) +{ + struct page_ext *page_ext = lookup_page_ext(page); + + return page_ext->gfp_mask; +} + static ssize_t print_page_owner(char __user *buf, size_t count, unsigned long pfn, struct page *page, struct page_ext *page_ext) diff --git a/mm/shmem.c b/mm/shmem.c index 4caf8ed24d65..dbe0c1e8349c 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -3363,8 +3363,8 @@ put_path: * shmem_kernel_file_setup - get an unlinked file living in tmpfs which must be * kernel internal. There will be NO LSM permission checks against the * underlying inode. So users of this interface must do LSM checks at a - * higher layer. The one user is the big_key implementation. LSM checks - * are provided at the key level rather than the inode level. + * higher layer. The users are the big_key and shm implementations. LSM + * checks are provided at the key or shm level rather than the inode. * @name: name for dentry (to be seen in /proc/<pid>/maps * @size: size to be set for the file * @flags: VM_NORESERVE suppresses pre-accounting of the entire object size diff --git a/mm/slab.c b/mm/slab.c index 200e22412a16..bbd0b47dc6a9 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1603,7 +1603,7 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags, } /* Record if ALLOC_NO_WATERMARKS was set when allocating the slab */ - if (unlikely(page->pfmemalloc)) + if (page_is_pfmemalloc(page)) pfmemalloc_active = true; nr_pages = (1 << cachep->gfporder); @@ -1614,7 +1614,7 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags, add_zone_page_state(page_zone(page), NR_SLAB_UNRECLAIMABLE, nr_pages); __SetPageSlab(page); - if (page->pfmemalloc) + if (page_is_pfmemalloc(page)) SetPageSlabPfmemalloc(page); if (kmemcheck_enabled && !(cachep->flags & SLAB_NOTRACK)) { diff --git a/mm/slab_common.c b/mm/slab_common.c index 3e5f8f29c286..86831105a09f 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -37,8 +37,7 @@ struct kmem_cache *kmem_cache; SLAB_TRACE | SLAB_DESTROY_BY_RCU | SLAB_NOLEAKTRACE | \ SLAB_FAILSLAB) -#define SLAB_MERGE_SAME (SLAB_DEBUG_FREE | SLAB_RECLAIM_ACCOUNT | \ - SLAB_CACHE_DMA | SLAB_NOTRACK) +#define SLAB_MERGE_SAME (SLAB_RECLAIM_ACCOUNT | SLAB_CACHE_DMA | SLAB_NOTRACK) /* * Merge control. If this is set then no merging of slab caches will occur. diff --git a/mm/slub.c b/mm/slub.c index 816df0016555..f68c0e50f3c0 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1427,7 +1427,7 @@ static struct page *new_slab(struct kmem_cache *s, gfp_t flags, int node) inc_slabs_node(s, page_to_nid(page), page->objects); page->slab_cache = s; __SetPageSlab(page); - if (page->pfmemalloc) + if (page_is_pfmemalloc(page)) SetPageSlabPfmemalloc(page); start = page_address(page); diff --git a/mm/vmscan.c b/mm/vmscan.c index e61445dce04e..8286938c70de 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -973,22 +973,18 @@ static unsigned long shrink_page_list(struct list_head *page_list, * caller can stall after page list has been processed. * * 2) Global or new memcg reclaim encounters a page that is - * not marked for immediate reclaim or the caller does not - * have __GFP_IO. In this case mark the page for immediate + * not marked for immediate reclaim, or the caller does not + * have __GFP_FS (or __GFP_IO if it's simply going to swap, + * not to fs). In this case mark the page for immediate * reclaim and continue scanning. * - * __GFP_IO is checked because a loop driver thread might + * Require may_enter_fs because we would wait on fs, which + * may not have submitted IO yet. And the loop driver might * enter reclaim, and deadlock if it waits on a page for * which it is needed to do the write (loop masks off * __GFP_IO|__GFP_FS for this reason); but more thought * would probably show more reasons. * - * Don't require __GFP_FS, since we're not going into the - * FS, just waiting on its writeback completion. Worryingly, - * ext4 gfs2 and xfs allocate pages with - * grab_cache_page_write_begin(,,AOP_FLAG_NOFS), so testing - * may_enter_fs here is liable to OOM on them. - * * 3) Legacy memcg encounters a page that is not already marked * PageReclaim. memcg does not have any dirty pages * throttling so we could easily OOM just because too many @@ -1005,7 +1001,7 @@ static unsigned long shrink_page_list(struct list_head *page_list, /* Case 2 above */ } else if (sane_reclaim(sc) || - !PageReclaim(page) || !(sc->gfp_mask & __GFP_IO)) { + !PageReclaim(page) || !may_enter_fs) { /* * This is slightly racy - end_page_writeback() * might have just cleared PageReclaim, then diff --git a/net/9p/client.c b/net/9p/client.c index 498454b3c06c..ea79ee9a7348 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -1541,6 +1541,7 @@ p9_client_read(struct p9_fid *fid, u64 offset, struct iov_iter *to, int *err) struct p9_client *clnt = fid->clnt; struct p9_req_t *req; int total = 0; + *err = 0; p9_debug(P9_DEBUG_9P, ">>> TREAD fid %d offset %llu %d\n", fid->fid, (unsigned long long) offset, (int)iov_iter_count(to)); @@ -1620,6 +1621,7 @@ p9_client_write(struct p9_fid *fid, u64 offset, struct iov_iter *from, int *err) struct p9_client *clnt = fid->clnt; struct p9_req_t *req; int total = 0; + *err = 0; p9_debug(P9_DEBUG_9P, ">>> TWRITE fid %d offset %llu count %zd\n", fid->fid, (unsigned long long) offset, diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 9dd49ca67dbc..6e70ddb158b4 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -704,6 +704,7 @@ static void p9_virtio_remove(struct virtio_device *vdev) mutex_unlock(&virtio_9p_lock); + vdev->config->reset(vdev); vdev->config->del_vqs(vdev); sysfs_remove_file(&(vdev->dev.kobj), &dev_attr_mount_tag.attr); diff --git a/net/ax25/ax25_subr.c b/net/ax25/ax25_subr.c index 1997538a5d23..3b78e8473a01 100644 --- a/net/ax25/ax25_subr.c +++ b/net/ax25/ax25_subr.c @@ -264,6 +264,7 @@ void ax25_disconnect(ax25_cb *ax25, int reason) { ax25_clear_queues(ax25); + ax25_stop_heartbeat(ax25); ax25_stop_t1timer(ax25); ax25_stop_t2timer(ax25); ax25_stop_t3timer(ax25); diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index fb54e6aed096..6d0b471eede8 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -1138,6 +1138,9 @@ void batadv_dat_snoop_outgoing_arp_reply(struct batadv_priv *bat_priv, * @bat_priv: the bat priv with all the soft interface information * @skb: packet to check * @hdr_size: size of the encapsulation header + * + * Returns true if the packet was snooped and consumed by DAT. False if the + * packet has to be delivered to the interface */ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv, struct sk_buff *skb, int hdr_size) @@ -1145,7 +1148,7 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv, uint16_t type; __be32 ip_src, ip_dst; uint8_t *hw_src, *hw_dst; - bool ret = false; + bool dropped = false; unsigned short vid; if (!atomic_read(&bat_priv->distributed_arp_table)) @@ -1174,12 +1177,17 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv, /* if this REPLY is directed to a client of mine, let's deliver the * packet to the interface */ - ret = !batadv_is_my_client(bat_priv, hw_dst, vid); + dropped = !batadv_is_my_client(bat_priv, hw_dst, vid); + + /* if this REPLY is sent on behalf of a client of mine, let's drop the + * packet because the client will reply by itself + */ + dropped |= batadv_is_my_client(bat_priv, hw_src, vid); out: - if (ret) + if (dropped) kfree_skb(skb); - /* if ret == false -> packet has to be delivered to the interface */ - return ret; + /* if dropped == false -> deliver to the interface */ + return dropped; } /** diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index bb0158620628..cffa92dd9877 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -439,6 +439,8 @@ static void batadv_gw_node_add(struct batadv_priv *bat_priv, INIT_HLIST_NODE(&gw_node->list); gw_node->orig_node = orig_node; + gw_node->bandwidth_down = ntohl(gateway->bandwidth_down); + gw_node->bandwidth_up = ntohl(gateway->bandwidth_up); atomic_set(&gw_node->refcount, 1); spin_lock_bh(&bat_priv->gw.list_lock); diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index c002961da75d..a2fc843c2243 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -479,6 +479,9 @@ out: */ void batadv_softif_vlan_free_ref(struct batadv_softif_vlan *vlan) { + if (!vlan) + return; + if (atomic_dec_and_test(&vlan->refcount)) { spin_lock_bh(&vlan->bat_priv->softif_vlan_list_lock); hlist_del_rcu(&vlan->list); diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index b4824951010b..5809b39c1922 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -594,6 +594,12 @@ bool batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr, /* increase the refcounter of the related vlan */ vlan = batadv_softif_vlan_get(bat_priv, vid); + if (WARN(!vlan, "adding TT local entry %pM to non-existent VLAN %d", + addr, BATADV_PRINT_VID(vid))) { + kfree(tt_local); + tt_local = NULL; + goto out; + } batadv_dbg(BATADV_DBG_TT, bat_priv, "Creating new local tt entry: %pM (vid: %d, ttvn: %d)\n", @@ -1034,6 +1040,7 @@ uint16_t batadv_tt_local_remove(struct batadv_priv *bat_priv, struct batadv_tt_local_entry *tt_local_entry; uint16_t flags, curr_flags = BATADV_NO_FLAGS; struct batadv_softif_vlan *vlan; + void *tt_entry_exists; tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr, vid); if (!tt_local_entry) @@ -1061,11 +1068,22 @@ uint16_t batadv_tt_local_remove(struct batadv_priv *bat_priv, * immediately purge it */ batadv_tt_local_event(bat_priv, tt_local_entry, BATADV_TT_CLIENT_DEL); - hlist_del_rcu(&tt_local_entry->common.hash_entry); + + tt_entry_exists = batadv_hash_remove(bat_priv->tt.local_hash, + batadv_compare_tt, + batadv_choose_tt, + &tt_local_entry->common); + if (!tt_entry_exists) + goto out; + + /* extra call to free the local tt entry */ batadv_tt_local_entry_free_ref(tt_local_entry); /* decrease the reference held for this vlan */ vlan = batadv_softif_vlan_get(bat_priv, vid); + if (!vlan) + goto out; + batadv_softif_vlan_free_ref(vlan); batadv_softif_vlan_free_ref(vlan); @@ -1166,8 +1184,10 @@ static void batadv_tt_local_table_free(struct batadv_priv *bat_priv) /* decrease the reference held for this vlan */ vlan = batadv_softif_vlan_get(bat_priv, tt_common_entry->vid); - batadv_softif_vlan_free_ref(vlan); - batadv_softif_vlan_free_ref(vlan); + if (vlan) { + batadv_softif_vlan_free_ref(vlan); + batadv_softif_vlan_free_ref(vlan); + } batadv_tt_local_entry_free_ref(tt_local); } @@ -3207,8 +3227,10 @@ static void batadv_tt_local_purge_pending_clients(struct batadv_priv *bat_priv) /* decrease the reference held for this vlan */ vlan = batadv_softif_vlan_get(bat_priv, tt_common->vid); - batadv_softif_vlan_free_ref(vlan); - batadv_softif_vlan_free_ref(vlan); + if (vlan) { + batadv_softif_vlan_free_ref(vlan); + batadv_softif_vlan_free_ref(vlan); + } batadv_tt_local_entry_free_ref(tt_local); } diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 7998fb279165..92720f3fe573 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -7820,7 +7820,7 @@ void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent) /* Make sure we copy only the significant bytes based on the * encryption key size, and set the rest of the value to zeroes. */ - memcpy(ev.key.val, key->val, sizeof(key->enc_size)); + memcpy(ev.key.val, key->val, key->enc_size); memset(ev.key.val + key->enc_size, 0, sizeof(ev.key.val) - key->enc_size); diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 3d0f7d2a0616..ad82324f710f 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -2312,6 +2312,10 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level) return 1; chan = conn->smp; + if (!chan) { + BT_ERR("SMP security requested but not available"); + return 1; + } if (!hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED)) return 1; diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c index 0ff6e1bbca91..fa7bfced888e 100644 --- a/net/bridge/br_forward.c +++ b/net/bridge/br_forward.c @@ -37,15 +37,30 @@ static inline int should_deliver(const struct net_bridge_port *p, int br_dev_queue_push_xmit(struct sock *sk, struct sk_buff *skb) { - if (!is_skb_forwardable(skb->dev, skb)) { - kfree_skb(skb); - } else { - skb_push(skb, ETH_HLEN); - br_drop_fake_rtable(skb); - skb_sender_cpu_clear(skb); - dev_queue_xmit(skb); + if (!is_skb_forwardable(skb->dev, skb)) + goto drop; + + skb_push(skb, ETH_HLEN); + br_drop_fake_rtable(skb); + skb_sender_cpu_clear(skb); + + if (skb->ip_summed == CHECKSUM_PARTIAL && + (skb->protocol == htons(ETH_P_8021Q) || + skb->protocol == htons(ETH_P_8021AD))) { + int depth; + + if (!__vlan_get_protocol(skb, skb->protocol, &depth)) + goto drop; + + skb_set_network_header(skb, depth); } + dev_queue_xmit(skb); + + return 0; + +drop: + kfree_skb(skb); return 0; } EXPORT_SYMBOL_GPL(br_dev_queue_push_xmit); diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index c11cf2611db0..c94321955db7 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -351,7 +351,6 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, if (state == MDB_TEMPORARY) mod_timer(&p->timer, now + br->multicast_membership_interval); - br_mdb_notify(br->dev, port, group, RTM_NEWMDB); return 0; } @@ -446,6 +445,7 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry) if (p->port->state == BR_STATE_DISABLED) goto unlock; + entry->state = p->state; rcu_assign_pointer(*pp, p->next); hlist_del_init(&p->mglist); del_timer(&p->timer); diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 742a6c27d7a2..1285eaf5dc22 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -39,6 +39,16 @@ static void br_multicast_start_querier(struct net_bridge *br, struct bridge_mcast_own_query *query); static void br_multicast_add_router(struct net_bridge *br, struct net_bridge_port *port); +static void br_ip4_multicast_leave_group(struct net_bridge *br, + struct net_bridge_port *port, + __be32 group, + __u16 vid); +#if IS_ENABLED(CONFIG_IPV6) +static void br_ip6_multicast_leave_group(struct net_bridge *br, + struct net_bridge_port *port, + const struct in6_addr *group, + __u16 vid); +#endif unsigned int br_mdb_rehash_seq; static inline int br_ip_equal(const struct br_ip *a, const struct br_ip *b) @@ -1010,9 +1020,15 @@ static int br_ip4_multicast_igmp3_report(struct net_bridge *br, continue; } - err = br_ip4_multicast_add_group(br, port, group, vid); - if (err) - break; + if ((type == IGMPV3_CHANGE_TO_INCLUDE || + type == IGMPV3_MODE_IS_INCLUDE) && + ntohs(grec->grec_nsrcs) == 0) { + br_ip4_multicast_leave_group(br, port, group, vid); + } else { + err = br_ip4_multicast_add_group(br, port, group, vid); + if (err) + break; + } } return err; @@ -1071,10 +1087,17 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br, continue; } - err = br_ip6_multicast_add_group(br, port, &grec->grec_mca, - vid); - if (err) - break; + if ((grec->grec_type == MLD2_CHANGE_TO_INCLUDE || + grec->grec_type == MLD2_MODE_IS_INCLUDE) && + ntohs(*nsrcs) == 0) { + br_ip6_multicast_leave_group(br, port, &grec->grec_mca, + vid); + } else { + err = br_ip6_multicast_add_group(br, port, + &grec->grec_mca, vid); + if (!err) + break; + } } return err; @@ -1393,8 +1416,7 @@ br_multicast_leave_group(struct net_bridge *br, spin_lock(&br->multicast_lock); if (!netif_running(br->dev) || - (port && port->state == BR_STATE_DISABLED) || - timer_pending(&other_query->timer)) + (port && port->state == BR_STATE_DISABLED)) goto out; mdb = mlock_dereference(br->mdb, br); @@ -1402,6 +1424,31 @@ br_multicast_leave_group(struct net_bridge *br, if (!mp) goto out; + if (port && (port->flags & BR_MULTICAST_FAST_LEAVE)) { + struct net_bridge_port_group __rcu **pp; + + for (pp = &mp->ports; + (p = mlock_dereference(*pp, br)) != NULL; + pp = &p->next) { + if (p->port != port) + continue; + + rcu_assign_pointer(*pp, p->next); + hlist_del_init(&p->mglist); + del_timer(&p->timer); + call_rcu_bh(&p->rcu, br_multicast_free_pg); + br_mdb_notify(br->dev, port, group, RTM_DELMDB); + + if (!mp->ports && !mp->mglist && + netif_running(br->dev)) + mod_timer(&mp->timer, jiffies); + } + goto out; + } + + if (timer_pending(&other_query->timer)) + goto out; + if (br->multicast_querier) { __br_multicast_send_query(br, port, &mp->addr); @@ -1427,28 +1474,6 @@ br_multicast_leave_group(struct net_bridge *br, } } - if (port && (port->flags & BR_MULTICAST_FAST_LEAVE)) { - struct net_bridge_port_group __rcu **pp; - - for (pp = &mp->ports; - (p = mlock_dereference(*pp, br)) != NULL; - pp = &p->next) { - if (p->port != port) - continue; - - rcu_assign_pointer(*pp, p->next); - hlist_del_init(&p->mglist); - del_timer(&p->timer); - call_rcu_bh(&p->rcu, br_multicast_free_pg); - br_mdb_notify(br->dev, port, group, RTM_DELMDB); - - if (!mp->ports && !mp->mglist && - netif_running(br->dev)) - mod_timer(&mp->timer, jiffies); - } - goto out; - } - now = jiffies; time = now + br->multicast_last_member_count * br->multicast_last_member_interval; @@ -1566,7 +1591,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br, break; } - if (skb_trimmed) + if (skb_trimmed && skb_trimmed != skb) kfree_skb(skb_trimmed); return err; @@ -1611,7 +1636,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br, break; } - if (skb_trimmed) + if (skb_trimmed && skb_trimmed != skb) kfree_skb(skb_trimmed); return err; diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 364bdc98bd9b..4d74a0639c4c 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -112,6 +112,8 @@ static inline size_t br_port_info_size(void) + nla_total_size(1) /* IFLA_BRPORT_FAST_LEAVE */ + nla_total_size(1) /* IFLA_BRPORT_LEARNING */ + nla_total_size(1) /* IFLA_BRPORT_UNICAST_FLOOD */ + + nla_total_size(1) /* IFLA_BRPORT_PROXYARP */ + + nla_total_size(1) /* IFLA_BRPORT_PROXYARP_WIFI */ + 0; } @@ -506,6 +508,8 @@ static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = { [IFLA_BRPORT_FAST_LEAVE]= { .type = NLA_U8 }, [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 }, [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 }, + [IFLA_BRPORT_PROXYARP] = { .type = NLA_U8 }, + [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NLA_U8 }, }; /* Change the state of the port and notify spanning tree */ @@ -693,9 +697,17 @@ static int br_port_slave_changelink(struct net_device *brdev, struct nlattr *tb[], struct nlattr *data[]) { + struct net_bridge *br = netdev_priv(brdev); + int ret; + if (!data) return 0; - return br_setport(br_port_get_rtnl(dev), data); + + spin_lock_bh(&br->lock); + ret = br_setport(br_port_get_rtnl(dev), data); + spin_unlock_bh(&br->lock); + + return ret; } static int br_port_fill_slave_info(struct sk_buff *skb, diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c index b4b6dab9c285..ed74ffaa851f 100644 --- a/net/bridge/br_stp.c +++ b/net/bridge/br_stp.c @@ -209,8 +209,9 @@ void br_transmit_config(struct net_bridge_port *p) br_send_config_bpdu(p, &bpdu); p->topology_change_ack = 0; p->config_pending = 0; - mod_timer(&p->hold_timer, - round_jiffies(jiffies + BR_HOLD_TIME)); + if (p->br->stp_enabled == BR_KERNEL_STP) + mod_timer(&p->hold_timer, + round_jiffies(jiffies + BR_HOLD_TIME)); } } diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c index a2730e7196cd..4ca449a16132 100644 --- a/net/bridge/br_stp_if.c +++ b/net/bridge/br_stp_if.c @@ -48,7 +48,8 @@ void br_stp_enable_bridge(struct net_bridge *br) struct net_bridge_port *p; spin_lock_bh(&br->lock); - mod_timer(&br->hello_timer, jiffies + br->hello_time); + if (br->stp_enabled == BR_KERNEL_STP) + mod_timer(&br->hello_timer, jiffies + br->hello_time); mod_timer(&br->gc_timer, jiffies + HZ/10); br_config_bpdu_generation(br); @@ -127,6 +128,7 @@ static void br_stp_start(struct net_bridge *br) int r; char *argv[] = { BR_STP_PROG, br->dev->name, "start", NULL }; char *envp[] = { NULL }; + struct net_bridge_port *p; r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC); @@ -140,6 +142,10 @@ static void br_stp_start(struct net_bridge *br) if (r == 0) { br->stp_enabled = BR_USER_STP; br_debug(br, "userspace STP started\n"); + /* Stop hello and hold timers */ + del_timer(&br->hello_timer); + list_for_each_entry(p, &br->port_list, list) + del_timer(&p->hold_timer); } else { br->stp_enabled = BR_KERNEL_STP; br_debug(br, "using kernel STP\n"); @@ -156,12 +162,17 @@ static void br_stp_stop(struct net_bridge *br) int r; char *argv[] = { BR_STP_PROG, br->dev->name, "stop", NULL }; char *envp[] = { NULL }; + struct net_bridge_port *p; if (br->stp_enabled == BR_USER_STP) { r = call_usermodehelper(BR_STP_PROG, argv, envp, UMH_WAIT_PROC); br_info(br, "userspace STP stopped, return code %d\n", r); /* To start timers on any ports left in blocking */ + mod_timer(&br->hello_timer, jiffies + br->hello_time); + list_for_each_entry(p, &br->port_list, list) + mod_timer(&p->hold_timer, + round_jiffies(jiffies + BR_HOLD_TIME)); spin_lock_bh(&br->lock); br_port_state_selection(br); spin_unlock_bh(&br->lock); diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c index 7caf7fae2d5b..5f0f5af0ec35 100644 --- a/net/bridge/br_stp_timer.c +++ b/net/bridge/br_stp_timer.c @@ -40,7 +40,9 @@ static void br_hello_timer_expired(unsigned long arg) if (br->dev->flags & IFF_UP) { br_config_bpdu_generation(br); - mod_timer(&br->hello_timer, round_jiffies(jiffies + br->hello_time)); + if (br->stp_enabled != BR_USER_STP) + mod_timer(&br->hello_timer, + round_jiffies(jiffies + br->hello_time)); } spin_unlock(&br->lock); } diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index 3cc71b9f5517..cc858919108e 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -121,12 +121,13 @@ static void caif_flow_ctrl(struct sock *sk, int mode) * Copied from sock.c:sock_queue_rcv_skb(), but changed so packets are * not dropped, but CAIF is sending flow off instead. */ -static int caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) +static void caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) { int err; unsigned long flags; struct sk_buff_head *list = &sk->sk_receive_queue; struct caifsock *cf_sk = container_of(sk, struct caifsock, sk); + bool queued = false; if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >= (unsigned int)sk->sk_rcvbuf && rx_flow_is_on(cf_sk)) { @@ -139,7 +140,8 @@ static int caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) err = sk_filter(sk, skb); if (err) - return err; + goto out; + if (!sk_rmem_schedule(sk, skb, skb->truesize) && rx_flow_is_on(cf_sk)) { set_rx_flow_off(cf_sk); net_dbg_ratelimited("sending flow OFF due to rmem_schedule\n"); @@ -147,21 +149,16 @@ static int caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) } skb->dev = NULL; skb_set_owner_r(skb, sk); - /* Cache the SKB length before we tack it onto the receive - * queue. Once it is added it no longer belongs to us and - * may be freed by other threads of control pulling packets - * from the queue. - */ spin_lock_irqsave(&list->lock, flags); - if (!sock_flag(sk, SOCK_DEAD)) + queued = !sock_flag(sk, SOCK_DEAD); + if (queued) __skb_queue_tail(list, skb); spin_unlock_irqrestore(&list->lock, flags); - - if (!sock_flag(sk, SOCK_DEAD)) +out: + if (queued) sk->sk_data_ready(sk); else kfree_skb(skb); - return 0; } /* Packet Receive Callback function called from CAIF Stack */ diff --git a/net/core/datagram.c b/net/core/datagram.c index b80fb91bb3f7..617088aee21d 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -131,6 +131,35 @@ out_noerr: goto out; } +static struct sk_buff *skb_set_peeked(struct sk_buff *skb) +{ + struct sk_buff *nskb; + + if (skb->peeked) + return skb; + + /* We have to unshare an skb before modifying it. */ + if (!skb_shared(skb)) + goto done; + + nskb = skb_clone(skb, GFP_ATOMIC); + if (!nskb) + return ERR_PTR(-ENOMEM); + + skb->prev->next = nskb; + skb->next->prev = nskb; + nskb->prev = skb->prev; + nskb->next = skb->next; + + consume_skb(skb); + skb = nskb; + +done: + skb->peeked = 1; + + return skb; +} + /** * __skb_recv_datagram - Receive a datagram skbuff * @sk: socket @@ -165,7 +194,9 @@ out_noerr: struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, int *peeked, int *off, int *err) { + struct sk_buff_head *queue = &sk->sk_receive_queue; struct sk_buff *skb, *last; + unsigned long cpu_flags; long timeo; /* * Caller is allowed not to check sk->sk_err before skb_recv_datagram() @@ -184,8 +215,6 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, * Look at current nfs client by the way... * However, this function was correct in any case. 8) */ - unsigned long cpu_flags; - struct sk_buff_head *queue = &sk->sk_receive_queue; int _off = *off; last = (struct sk_buff *)queue; @@ -199,7 +228,12 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, _off -= skb->len; continue; } - skb->peeked = 1; + + skb = skb_set_peeked(skb); + error = PTR_ERR(skb); + if (IS_ERR(skb)) + goto unlock_err; + atomic_inc(&skb->users); } else __skb_unlink(skb, queue); @@ -223,6 +257,8 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, return NULL; +unlock_err: + spin_unlock_irqrestore(&queue->lock, cpu_flags); no_packet: *err = error; return NULL; @@ -622,7 +658,8 @@ __sum16 __skb_checksum_complete_head(struct sk_buff *skb, int len) !skb->csum_complete_sw) netdev_rx_csum_fault(skb->dev); } - skb->csum_valid = !sum; + if (!skb_shared(skb)) + skb->csum_valid = !sum; return sum; } EXPORT_SYMBOL(__skb_checksum_complete_head); @@ -642,11 +679,13 @@ __sum16 __skb_checksum_complete(struct sk_buff *skb) netdev_rx_csum_fault(skb->dev); } - /* Save full packet checksum */ - skb->csum = csum; - skb->ip_summed = CHECKSUM_COMPLETE; - skb->csum_complete_sw = 1; - skb->csum_valid = !sum; + if (!skb_shared(skb)) { + /* Save full packet checksum */ + skb->csum = csum; + skb->ip_summed = CHECKSUM_COMPLETE; + skb->csum_complete_sw = 1; + skb->csum_valid = !sum; + } return sum; } diff --git a/net/core/dst.c b/net/core/dst.c index e956ce6d1378..002144bea935 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -284,7 +284,9 @@ void dst_release(struct dst_entry *dst) int newrefcnt; newrefcnt = atomic_dec_return(&dst->__refcnt); - WARN_ON(newrefcnt < 0); + if (unlikely(newrefcnt < 0)) + net_warn_ratelimited("%s: dst:%p refcnt:%d\n", + __func__, dst, newrefcnt); if (unlikely(dst->flags & DST_NOCACHE) && !newrefcnt) call_rcu(&dst->rcu_head, dst_destroy_rcu); } diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c index 1f2a126f4ffa..6441f47b1a8f 100644 --- a/net/core/netclassid_cgroup.c +++ b/net/core/netclassid_cgroup.c @@ -23,7 +23,8 @@ static inline struct cgroup_cls_state *css_cls_state(struct cgroup_subsys_state struct cgroup_cls_state *task_cls_state(struct task_struct *p) { - return css_cls_state(task_css(p, net_cls_cgrp_id)); + return css_cls_state(task_css_check(p, net_cls_cgrp_id, + rcu_read_lock_bh_held())); } EXPORT_SYMBOL_GPL(task_cls_state); diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 1ebdf1c0d118..1cbd209192ea 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -3514,8 +3514,6 @@ static int pktgen_thread_worker(void *arg) set_freezable(); - __set_current_state(TASK_RUNNING); - while (!kthread_should_stop()) { pkt_dev = next_to_run(t); @@ -3560,7 +3558,6 @@ static int pktgen_thread_worker(void *arg) try_to_freeze(); } - set_current_state(TASK_INTERRUPTIBLE); pr_debug("%s stopping all device\n", t->tsk->comm); pktgen_stop(t); diff --git a/net/core/request_sock.c b/net/core/request_sock.c index 87b22c0bc08c..b42f0e26f89e 100644 --- a/net/core/request_sock.c +++ b/net/core/request_sock.c @@ -103,10 +103,16 @@ void reqsk_queue_destroy(struct request_sock_queue *queue) spin_lock_bh(&queue->syn_wait_lock); while ((req = lopt->syn_table[i]) != NULL) { lopt->syn_table[i] = req->dl_next; + /* Because of following del_timer_sync(), + * we must release the spinlock here + * or risk a dead lock. + */ + spin_unlock_bh(&queue->syn_wait_lock); atomic_inc(&lopt->qlen_dec); - if (del_timer(&req->rsk_timer)) + if (del_timer_sync(&req->rsk_timer)) reqsk_put(req); reqsk_put(req); + spin_lock_bh(&queue->syn_wait_lock); } spin_unlock_bh(&queue->syn_wait_lock); } diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 9e433d58d265..dc004b1e1f85 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1804,10 +1804,13 @@ static int do_setlink(const struct sk_buff *skb, goto errout; nla_for_each_nested(attr, tb[IFLA_VF_PORTS], rem) { - if (nla_type(attr) != IFLA_VF_PORT) - continue; - err = nla_parse_nested(port, IFLA_PORT_MAX, - attr, ifla_port_policy); + if (nla_type(attr) != IFLA_VF_PORT || + nla_len(attr) < NLA_HDRLEN) { + err = -EINVAL; + goto errout; + } + err = nla_parse_nested(port, IFLA_PORT_MAX, attr, + ifla_port_policy); if (err < 0) goto errout; if (!port[IFLA_PORT_VF]) { diff --git a/net/core/skbuff.c b/net/core/skbuff.c index b6a19ca0f99e..7b84330e5d30 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -340,7 +340,7 @@ struct sk_buff *build_skb(void *data, unsigned int frag_size) if (skb && frag_size) { skb->head_frag = 1; - if (virt_to_head_page(data)->pfmemalloc) + if (page_is_pfmemalloc(virt_to_head_page(data))) skb->pfmemalloc = 1; } return skb; @@ -4022,8 +4022,8 @@ EXPORT_SYMBOL(skb_checksum_setup); * Otherwise returns the provided skb. Returns NULL in error cases * (e.g. transport_len exceeds skb length or out-of-memory). * - * Caller needs to set the skb transport header and release the returned skb. - * Provided skb is consumed. + * Caller needs to set the skb transport header and free any returned skb if it + * differs from the provided skb. */ static struct sk_buff *skb_checksum_maybe_trim(struct sk_buff *skb, unsigned int transport_len) @@ -4032,16 +4032,12 @@ static struct sk_buff *skb_checksum_maybe_trim(struct sk_buff *skb, unsigned int len = skb_transport_offset(skb) + transport_len; int ret; - if (skb->len < len) { - kfree_skb(skb); + if (skb->len < len) return NULL; - } else if (skb->len == len) { + else if (skb->len == len) return skb; - } skb_chk = skb_clone(skb, GFP_ATOMIC); - kfree_skb(skb); - if (!skb_chk) return NULL; @@ -4066,8 +4062,8 @@ static struct sk_buff *skb_checksum_maybe_trim(struct sk_buff *skb, * If the skb has data beyond the given transport length, then a * trimmed & cloned skb is checked and returned. * - * Caller needs to set the skb transport header and release the returned skb. - * Provided skb is consumed. + * Caller needs to set the skb transport header and free any returned skb if it + * differs from the provided skb. */ struct sk_buff *skb_checksum_trimmed(struct sk_buff *skb, unsigned int transport_len, @@ -4079,23 +4075,26 @@ struct sk_buff *skb_checksum_trimmed(struct sk_buff *skb, skb_chk = skb_checksum_maybe_trim(skb, transport_len); if (!skb_chk) - return NULL; + goto err; - if (!pskb_may_pull(skb_chk, offset)) { - kfree_skb(skb_chk); - return NULL; - } + if (!pskb_may_pull(skb_chk, offset)) + goto err; __skb_pull(skb_chk, offset); ret = skb_chkf(skb_chk); __skb_push(skb_chk, offset); - if (ret) { - kfree_skb(skb_chk); - return NULL; - } + if (ret) + goto err; return skb_chk; + +err: + if (skb_chk && skb_chk != skb) + kfree_skb(skb_chk); + + return NULL; + } EXPORT_SYMBOL(skb_checksum_trimmed); diff --git a/net/core/sock.c b/net/core/sock.c index 08f16db46070..193901d09757 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1497,7 +1497,8 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) sock_copy(newsk, sk); /* SANITY */ - get_net(sock_net(newsk)); + if (likely(newsk->sk_net_refcnt)) + get_net(sock_net(newsk)); sk_node_init(&newsk->sk_node); sock_lock_init(newsk); bh_lock_sock(newsk); @@ -1967,20 +1968,21 @@ static void __release_sock(struct sock *sk) * sk_wait_data - wait for data to arrive at sk_receive_queue * @sk: sock to wait on * @timeo: for how long + * @skb: last skb seen on sk_receive_queue * * Now socket state including sk->sk_err is changed only under lock, * hence we may omit checks after joining wait queue. * We check receive queue before schedule() only as optimization; * it is very likely that release_sock() added new data. */ -int sk_wait_data(struct sock *sk, long *timeo) +int sk_wait_data(struct sock *sk, long *timeo, const struct sk_buff *skb) { int rc; DEFINE_WAIT(wait); prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); - rc = sk_wait_event(sk, timeo, !skb_queue_empty(&sk->sk_receive_queue)); + rc = sk_wait_event(sk, timeo, skb_peek_tail(&sk->sk_receive_queue) != skb); clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); finish_wait(sk_sleep(sk), &wait); return rc; diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 52a94016526d..b5cf13a28009 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -886,7 +886,7 @@ verify_sock_status: break; } - sk_wait_data(sk, &timeo); + sk_wait_data(sk, &timeo, NULL); continue; found_ok_skb: if (len > skb->len) diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 0917123790ea..35c47ddd04f0 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -756,7 +756,8 @@ static int dsa_slave_phy_connect(struct dsa_slave_priv *p, return -ENODEV; /* Use already configured phy mode */ - p->phy_interface = p->phy->interface; + if (p->phy_interface == PHY_INTERFACE_MODE_NA) + p->phy_interface = p->phy->interface; phy_connect_direct(slave_dev, p->phy, dsa_slave_adjust_link, p->phy_interface); diff --git a/net/ieee802154/6lowpan/reassembly.c b/net/ieee802154/6lowpan/reassembly.c index f46e4d1306f2..214d44aef35b 100644 --- a/net/ieee802154/6lowpan/reassembly.c +++ b/net/ieee802154/6lowpan/reassembly.c @@ -207,7 +207,7 @@ found: } else { fq->q.meat += skb->len; } - add_frag_mem_limit(&fq->q, skb->truesize); + add_frag_mem_limit(fq->q.net, skb->truesize); if (fq->q.flags == (INET_FRAG_FIRST_IN | INET_FRAG_LAST_IN) && fq->q.meat == fq->q.len) { @@ -287,7 +287,7 @@ static int lowpan_frag_reasm(struct lowpan_frag_queue *fq, struct sk_buff *prev, clone->data_len = clone->len; head->data_len -= clone->len; head->len -= clone->len; - add_frag_mem_limit(&fq->q, clone->truesize); + add_frag_mem_limit(fq->q.net, clone->truesize); } WARN_ON(head == NULL); @@ -310,7 +310,7 @@ static int lowpan_frag_reasm(struct lowpan_frag_queue *fq, struct sk_buff *prev, } fp = next; } - sub_frag_mem_limit(&fq->q, sum_truesize); + sub_frag_mem_limit(fq->q.net, sum_truesize); head->next = NULL; head->dev = dev; diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index 933a92820d26..6c8b1fbafce8 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -1017,14 +1017,16 @@ static int arp_req_get(struct arpreq *r, struct net_device *dev) neigh = neigh_lookup(&arp_tbl, &ip, dev); if (neigh) { - read_lock_bh(&neigh->lock); - memcpy(r->arp_ha.sa_data, neigh->ha, dev->addr_len); - r->arp_flags = arp_state_to_flags(neigh); - read_unlock_bh(&neigh->lock); - r->arp_ha.sa_family = dev->type; - strlcpy(r->arp_dev, dev->name, sizeof(r->arp_dev)); + if (!(neigh->nud_state & NUD_NOARP)) { + read_lock_bh(&neigh->lock); + memcpy(r->arp_ha.sa_data, neigh->ha, dev->addr_len); + r->arp_flags = arp_state_to_flags(neigh); + read_unlock_bh(&neigh->lock); + r->arp_ha.sa_family = dev->type; + strlcpy(r->arp_dev, dev->name, sizeof(r->arp_dev)); + err = 0; + } neigh_release(neigh); - err = 0; } return err; } diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c index 90c0e8386116..574fad9cca05 100644 --- a/net/ipv4/datagram.c +++ b/net/ipv4/datagram.c @@ -20,7 +20,7 @@ #include <net/route.h> #include <net/tcp_states.h> -int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) +int __ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) { struct inet_sock *inet = inet_sk(sk); struct sockaddr_in *usin = (struct sockaddr_in *) uaddr; @@ -39,8 +39,6 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) sk_dst_reset(sk); - lock_sock(sk); - oif = sk->sk_bound_dev_if; saddr = inet->inet_saddr; if (ipv4_is_multicast(usin->sin_addr.s_addr)) { @@ -82,9 +80,19 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) sk_dst_set(sk, &rt->dst); err = 0; out: - release_sock(sk); return err; } +EXPORT_SYMBOL(__ip4_datagram_connect); + +int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) +{ + int res; + + lock_sock(sk); + res = __ip4_datagram_connect(sk, uaddr, addr_len); + release_sock(sk); + return res; +} EXPORT_SYMBOL(ip4_datagram_connect); /* Because UDP xmit path can manipulate sk_dst_cache without holding diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index e813196c91c7..2d9cb1748f81 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -882,7 +882,6 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh) queue_delayed_work(system_power_efficient_wq, &check_lifetime_work, 0); rtmsg_ifa(RTM_NEWADDR, ifa, nlh, NETLINK_CB(skb).portid); - blocking_notifier_call_chain(&inetaddr_chain, NETDEV_UP, ifa); } return 0; } diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h index c6211ed60b03..9c02920725db 100644 --- a/net/ipv4/fib_lookup.h +++ b/net/ipv4/fib_lookup.h @@ -13,6 +13,7 @@ struct fib_alias { u8 fa_state; u8 fa_slen; u32 tb_id; + s16 fa_default; struct rcu_head rcu; }; diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index c7358ea4ae93..3a06586b170c 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -1202,23 +1202,40 @@ int fib_sync_down_dev(struct net_device *dev, unsigned long event) } /* Must be invoked inside of an RCU protected region. */ -void fib_select_default(struct fib_result *res) +void fib_select_default(const struct flowi4 *flp, struct fib_result *res) { struct fib_info *fi = NULL, *last_resort = NULL; struct hlist_head *fa_head = res->fa_head; struct fib_table *tb = res->table; + u8 slen = 32 - res->prefixlen; int order = -1, last_idx = -1; - struct fib_alias *fa; + struct fib_alias *fa, *fa1 = NULL; + u32 last_prio = res->fi->fib_priority; + u8 last_tos = 0; hlist_for_each_entry_rcu(fa, fa_head, fa_list) { struct fib_info *next_fi = fa->fa_info; + if (fa->fa_slen != slen) + continue; + if (fa->fa_tos && fa->fa_tos != flp->flowi4_tos) + continue; + if (fa->tb_id != tb->tb_id) + continue; + if (next_fi->fib_priority > last_prio && + fa->fa_tos == last_tos) { + if (last_tos) + continue; + break; + } + if (next_fi->fib_flags & RTNH_F_DEAD) + continue; + last_tos = fa->fa_tos; + last_prio = next_fi->fib_priority; + if (next_fi->fib_scope != res->scope || fa->fa_type != RTN_UNICAST) continue; - - if (next_fi->fib_priority > res->fi->fib_priority) - break; if (!next_fi->fib_nh[0].nh_gw || next_fi->fib_nh[0].nh_scope != RT_SCOPE_LINK) continue; @@ -1228,10 +1245,11 @@ void fib_select_default(struct fib_result *res) if (!fi) { if (next_fi != res->fi) break; + fa1 = fa; } else if (!fib_detect_death(fi, order, &last_resort, - &last_idx, tb->tb_default)) { + &last_idx, fa1->fa_default)) { fib_result_assign(res, fi); - tb->tb_default = order; + fa1->fa_default = order; goto out; } fi = next_fi; @@ -1239,20 +1257,21 @@ void fib_select_default(struct fib_result *res) } if (order <= 0 || !fi) { - tb->tb_default = -1; + if (fa1) + fa1->fa_default = -1; goto out; } if (!fib_detect_death(fi, order, &last_resort, &last_idx, - tb->tb_default)) { + fa1->fa_default)) { fib_result_assign(res, fi); - tb->tb_default = order; + fa1->fa_default = order; goto out; } if (last_idx >= 0) fib_result_assign(res, last_resort); - tb->tb_default = last_idx; + fa1->fa_default = last_idx; out: return; } diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 15d32612e3c6..b0c6258ffb79 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -1171,6 +1171,7 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg) new_fa->fa_state = state & ~FA_S_ACCESSED; new_fa->fa_slen = fa->fa_slen; new_fa->tb_id = tb->tb_id; + new_fa->fa_default = -1; err = switchdev_fib_ipv4_add(key, plen, fi, new_fa->fa_tos, @@ -1222,6 +1223,7 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg) new_fa->fa_state = 0; new_fa->fa_slen = slen; new_fa->tb_id = tb->tb_id; + new_fa->fa_default = -1; /* (Optionally) offload fib entry to switch hardware. */ err = switchdev_fib_ipv4_add(key, plen, fi, tos, cfg->fc_type, @@ -1791,8 +1793,6 @@ void fib_table_flush_external(struct fib_table *tb) if (hlist_empty(&n->leaf)) { put_child_root(pn, n->key, NULL); node_free(n); - } else { - leaf_pull_suffix(pn, n); } } } @@ -1862,8 +1862,6 @@ int fib_table_flush(struct fib_table *tb) if (hlist_empty(&n->leaf)) { put_child_root(pn, n->key, NULL); node_free(n); - } else { - leaf_pull_suffix(pn, n); } } @@ -1990,7 +1988,6 @@ struct fib_table *fib_trie_table(u32 id, struct fib_table *alias) return NULL; tb->tb_id = id; - tb->tb_default = -1; tb->tb_num_default = 0; tb->tb_data = (alias ? alias->__data : tb->__data); @@ -2468,7 +2465,7 @@ static struct key_vector *fib_route_get_idx(struct fib_route_iter *iter, key = l->key + 1; iter->pos++; - if (pos-- <= 0) + if (--pos <= 0) break; l = NULL; diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 651cdf648ec4..9fdfd9deac11 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -1435,33 +1435,35 @@ static int __ip_mc_check_igmp(struct sk_buff *skb, struct sk_buff **skb_trimmed) struct sk_buff *skb_chk; unsigned int transport_len; unsigned int len = skb_transport_offset(skb) + sizeof(struct igmphdr); - int ret; + int ret = -EINVAL; transport_len = ntohs(ip_hdr(skb)->tot_len) - ip_hdrlen(skb); - skb_get(skb); skb_chk = skb_checksum_trimmed(skb, transport_len, ip_mc_validate_checksum); if (!skb_chk) - return -EINVAL; + goto err; - if (!pskb_may_pull(skb_chk, len)) { - kfree_skb(skb_chk); - return -EINVAL; - } + if (!pskb_may_pull(skb_chk, len)) + goto err; ret = ip_mc_check_igmp_msg(skb_chk); - if (ret) { - kfree_skb(skb_chk); - return ret; - } + if (ret) + goto err; if (skb_trimmed) *skb_trimmed = skb_chk; - else + /* free now unneeded clone */ + else if (skb_chk != skb) kfree_skb(skb_chk); - return 0; + ret = 0; + +err: + if (ret && skb_chk && skb_chk != skb) + kfree_skb(skb_chk); + + return ret; } /** @@ -1470,7 +1472,7 @@ static int __ip_mc_check_igmp(struct sk_buff *skb, struct sk_buff **skb_trimmed) * @skb_trimmed: to store an skb pointer trimmed to IPv4 packet tail (optional) * * Checks whether an IPv4 packet is a valid IGMP packet. If so sets - * skb network and transport headers accordingly and returns zero. + * skb transport header accordingly and returns zero. * * -EINVAL: A broken packet was detected, i.e. it violates some internet * standard @@ -1485,7 +1487,8 @@ static int __ip_mc_check_igmp(struct sk_buff *skb, struct sk_buff **skb_trimmed) * to leave the original skb and its full frame unchanged (which might be * desirable for layer 2 frame jugglers). * - * The caller needs to release a reference count from any returned skb_trimmed. + * Caller needs to set the skb network header and free any returned skb if it + * differs from the provided skb. */ int ip_mc_check_igmp(struct sk_buff *skb, struct sk_buff **skb_trimmed) { diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 60021d0d9326..134957159c27 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -593,7 +593,7 @@ static bool reqsk_queue_unlink(struct request_sock_queue *queue, } spin_unlock(&queue->syn_wait_lock); - if (del_timer(&req->rsk_timer)) + if (timer_pending(&req->rsk_timer) && del_timer_sync(&req->rsk_timer)) reqsk_put(req); return found; } diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c index 5e346a082e5f..d0a7c0319e3d 100644 --- a/net/ipv4/inet_fragment.c +++ b/net/ipv4/inet_fragment.c @@ -131,34 +131,22 @@ inet_evict_bucket(struct inet_frags *f, struct inet_frag_bucket *hb) unsigned int evicted = 0; HLIST_HEAD(expired); -evict_again: spin_lock(&hb->chain_lock); hlist_for_each_entry_safe(fq, n, &hb->chain, list) { if (!inet_fragq_should_evict(fq)) continue; - if (!del_timer(&fq->timer)) { - /* q expiring right now thus increment its refcount so - * it won't be freed under us and wait until the timer - * has finished executing then destroy it - */ - atomic_inc(&fq->refcnt); - spin_unlock(&hb->chain_lock); - del_timer_sync(&fq->timer); - inet_frag_put(fq, f); - goto evict_again; - } + if (!del_timer(&fq->timer)) + continue; - fq->flags |= INET_FRAG_EVICTED; - hlist_del(&fq->list); - hlist_add_head(&fq->list, &expired); + hlist_add_head(&fq->list_evictor, &expired); ++evicted; } spin_unlock(&hb->chain_lock); - hlist_for_each_entry_safe(fq, n, &expired, list) + hlist_for_each_entry_safe(fq, n, &expired, list_evictor) f->frag_expire((unsigned long) fq); return evicted; @@ -240,18 +228,20 @@ void inet_frags_exit_net(struct netns_frags *nf, struct inet_frags *f) int i; nf->low_thresh = 0; - local_bh_disable(); evict_again: + local_bh_disable(); seq = read_seqbegin(&f->rnd_seqlock); for (i = 0; i < INETFRAGS_HASHSZ ; i++) inet_evict_bucket(f, &f->hash[i]); - if (read_seqretry(&f->rnd_seqlock, seq)) - goto evict_again; - local_bh_enable(); + cond_resched(); + + if (read_seqretry(&f->rnd_seqlock, seq) || + percpu_counter_sum(&nf->mem)) + goto evict_again; percpu_counter_destroy(&nf->mem); } @@ -284,8 +274,8 @@ static inline void fq_unlink(struct inet_frag_queue *fq, struct inet_frags *f) struct inet_frag_bucket *hb; hb = get_frag_bucket_locked(fq, f); - if (!(fq->flags & INET_FRAG_EVICTED)) - hlist_del(&fq->list); + hlist_del(&fq->list); + fq->flags |= INET_FRAG_COMPLETE; spin_unlock(&hb->chain_lock); } @@ -297,7 +287,6 @@ void inet_frag_kill(struct inet_frag_queue *fq, struct inet_frags *f) if (!(fq->flags & INET_FRAG_COMPLETE)) { fq_unlink(fq, f); atomic_dec(&fq->refcnt); - fq->flags |= INET_FRAG_COMPLETE; } } EXPORT_SYMBOL(inet_frag_kill); @@ -330,11 +319,12 @@ void inet_frag_destroy(struct inet_frag_queue *q, struct inet_frags *f) fp = xp; } sum = sum_truesize + f->qsize; - sub_frag_mem_limit(q, sum); if (f->destructor) f->destructor(q); kmem_cache_free(f->frags_cachep, q); + + sub_frag_mem_limit(nf, sum); } EXPORT_SYMBOL(inet_frag_destroy); @@ -390,7 +380,7 @@ static struct inet_frag_queue *inet_frag_alloc(struct netns_frags *nf, q->net = nf; f->constructor(q, arg); - add_frag_mem_limit(q, f->qsize); + add_frag_mem_limit(nf, f->qsize); setup_timer(&q->timer, f->frag_expire, (unsigned long)q); spin_lock_init(&q->lock); diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 5f9b063bbe8a..0cb9165421d4 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -624,22 +624,21 @@ EXPORT_SYMBOL_GPL(inet_hashinfo_init); int inet_ehash_locks_alloc(struct inet_hashinfo *hashinfo) { + unsigned int locksz = sizeof(spinlock_t); unsigned int i, nblocks = 1; - if (sizeof(spinlock_t) != 0) { + if (locksz != 0) { /* allocate 2 cache lines or at least one spinlock per cpu */ - nblocks = max_t(unsigned int, - 2 * L1_CACHE_BYTES / sizeof(spinlock_t), - 1); + nblocks = max(2U * L1_CACHE_BYTES / locksz, 1U); nblocks = roundup_pow_of_two(nblocks * num_possible_cpus()); /* no more locks than number of hash buckets */ nblocks = min(nblocks, hashinfo->ehash_mask + 1); - hashinfo->ehash_locks = kmalloc_array(nblocks, sizeof(spinlock_t), + hashinfo->ehash_locks = kmalloc_array(nblocks, locksz, GFP_KERNEL | __GFP_NOWARN); if (!hashinfo->ehash_locks) - hashinfo->ehash_locks = vmalloc(nblocks * sizeof(spinlock_t)); + hashinfo->ehash_locks = vmalloc(nblocks * locksz); if (!hashinfo->ehash_locks) return -ENOMEM; diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index a50dc6d408d1..921138f6c97c 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -202,7 +202,7 @@ static void ip_expire(unsigned long arg) ipq_kill(qp); IP_INC_STATS_BH(net, IPSTATS_MIB_REASMFAILS); - if (!(qp->q.flags & INET_FRAG_EVICTED)) { + if (!inet_frag_evicting(&qp->q)) { struct sk_buff *head = qp->q.fragments; const struct iphdr *iph; int err; @@ -309,7 +309,7 @@ static int ip_frag_reinit(struct ipq *qp) kfree_skb(fp); fp = xp; } while (fp); - sub_frag_mem_limit(&qp->q, sum_truesize); + sub_frag_mem_limit(qp->q.net, sum_truesize); qp->q.flags = 0; qp->q.len = 0; @@ -351,7 +351,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) ihl = ip_hdrlen(skb); /* Determine the position of this fragment. */ - end = offset + skb->len - ihl; + end = offset + skb->len - skb_network_offset(skb) - ihl; err = -EINVAL; /* Is this the final fragment? */ @@ -381,7 +381,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) goto err; err = -ENOMEM; - if (!pskb_pull(skb, ihl)) + if (!pskb_pull(skb, skb_network_offset(skb) + ihl)) goto err; err = pskb_trim_rcsum(skb, end - offset); @@ -455,7 +455,7 @@ found: qp->q.fragments = next; qp->q.meat -= free_it->len; - sub_frag_mem_limit(&qp->q, free_it->truesize); + sub_frag_mem_limit(qp->q.net, free_it->truesize); kfree_skb(free_it); } } @@ -479,7 +479,7 @@ found: qp->q.stamp = skb->tstamp; qp->q.meat += skb->len; qp->ecn |= ecn; - add_frag_mem_limit(&qp->q, skb->truesize); + add_frag_mem_limit(qp->q.net, skb->truesize); if (offset == 0) qp->q.flags |= INET_FRAG_FIRST_IN; @@ -587,7 +587,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, head->len -= clone->len; clone->csum = 0; clone->ip_summed = head->ip_summed; - add_frag_mem_limit(&qp->q, clone->truesize); + add_frag_mem_limit(qp->q.net, clone->truesize); } skb_push(head, head->data - skb_network_header(head)); @@ -615,7 +615,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, } fp = next; } - sub_frag_mem_limit(&qp->q, sum_truesize); + sub_frag_mem_limit(qp->q.net, sum_truesize); head->next = NULL; head->dev = dev; @@ -641,6 +641,8 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, iph->frag_off = 0; } + ip_send_check(iph); + IP_INC_STATS_BH(net, IPSTATS_MIB_REASMOKS); qp->q.fragments = NULL; qp->q.fragments_tail = NULL; diff --git a/net/ipv4/netfilter/ipt_SYNPROXY.c b/net/ipv4/netfilter/ipt_SYNPROXY.c index fe8cc183411e..95ea633e8356 100644 --- a/net/ipv4/netfilter/ipt_SYNPROXY.c +++ b/net/ipv4/netfilter/ipt_SYNPROXY.c @@ -226,7 +226,8 @@ synproxy_send_client_ack(const struct synproxy_net *snet, synproxy_build_options(nth, opts); - synproxy_send_tcp(skb, nskb, NULL, 0, niph, nth, tcp_hdr_size); + synproxy_send_tcp(skb, nskb, skb->nfct, IP_CT_ESTABLISHED_REPLY, + niph, nth, tcp_hdr_size); } static bool diff --git a/net/ipv4/route.c b/net/ipv4/route.c index d0362a2de3d3..e681b852ced1 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2176,7 +2176,7 @@ struct rtable *__ip_route_output_key(struct net *net, struct flowi4 *fl4) if (!res.prefixlen && res.table->tb_num_default > 1 && res.type == RTN_UNICAST && !fl4->flowi4_oif) - fib_select_default(&res); + fib_select_default(fl4, &res); if (!fl4->saddr) fl4->saddr = FIB_RES_PREFSRC(net, res); diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 433231ccfb17..0330ab2e2b63 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -41,8 +41,6 @@ static int tcp_syn_retries_min = 1; static int tcp_syn_retries_max = MAX_TCP_SYNCNT; static int ip_ping_group_range_min[] = { 0, 0 }; static int ip_ping_group_range_max[] = { GID_T_MAX, GID_T_MAX }; -static int min_sndbuf = SOCK_MIN_SNDBUF; -static int min_rcvbuf = SOCK_MIN_RCVBUF; /* Update system visible IP port range */ static void set_local_port_range(struct net *net, int range[2]) @@ -530,7 +528,7 @@ static struct ctl_table ipv4_table[] = { .maxlen = sizeof(sysctl_tcp_wmem), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &min_sndbuf, + .extra1 = &one, }, { .procname = "tcp_notsent_lowat", @@ -545,7 +543,7 @@ static struct ctl_table ipv4_table[] = { .maxlen = sizeof(sysctl_tcp_rmem), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &min_rcvbuf, + .extra1 = &one, }, { .procname = "tcp_app_win", @@ -758,7 +756,7 @@ static struct ctl_table ipv4_table[] = { .maxlen = sizeof(sysctl_udp_rmem_min), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &min_rcvbuf, + .extra1 = &one }, { .procname = "udp_wmem_min", @@ -766,7 +764,7 @@ static struct ctl_table ipv4_table[] = { .maxlen = sizeof(sysctl_udp_wmem_min), .mode = 0644, .proc_handler = proc_dointvec_minmax, - .extra1 = &min_sndbuf, + .extra1 = &one }, { } }; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 7f4056785acc..45534a5ab430 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -780,7 +780,7 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos, ret = -EAGAIN; break; } - sk_wait_data(sk, &timeo); + sk_wait_data(sk, &timeo, NULL); if (signal_pending(current)) { ret = sock_intr_errno(timeo); break; @@ -1575,7 +1575,7 @@ int tcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock, int target; /* Read at least this many bytes */ long timeo; struct task_struct *user_recv = NULL; - struct sk_buff *skb; + struct sk_buff *skb, *last; u32 urg_hole = 0; if (unlikely(flags & MSG_ERRQUEUE)) @@ -1635,7 +1635,9 @@ int tcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock, /* Next get a buffer. */ + last = skb_peek_tail(&sk->sk_receive_queue); skb_queue_walk(&sk->sk_receive_queue, skb) { + last = skb; /* Now that we have two receive queues this * shouldn't happen. */ @@ -1754,8 +1756,9 @@ int tcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock, /* Do not sleep, just process backlog. */ release_sock(sk); lock_sock(sk); - } else - sk_wait_data(sk, &timeo); + } else { + sk_wait_data(sk, &timeo, last); + } if (user_recv) { int chunk; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 684f095d196e..728f5b3d3c64 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1917,14 +1917,13 @@ void tcp_enter_loss(struct sock *sk) const struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; - bool new_recovery = false; + bool new_recovery = icsk->icsk_ca_state < TCP_CA_Recovery; bool is_reneg; /* is receiver reneging on SACKs? */ /* Reduce ssthresh if it has not yet been made inside this window. */ if (icsk->icsk_ca_state <= TCP_CA_Disorder || !after(tp->high_seq, tp->snd_una) || (icsk->icsk_ca_state == TCP_CA_Loss && !icsk->icsk_retransmits)) { - new_recovery = true; tp->prior_ssthresh = tcp_current_ssthresh(sk); tp->snd_ssthresh = icsk->icsk_ca_ops->ssthresh(sk); tcp_ca_event(sk, CA_EVENT_LOSS); diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index d7d4c2b79cf2..0ea2e1c5d395 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1348,7 +1348,7 @@ static struct sock *tcp_v4_hnd_req(struct sock *sk, struct sk_buff *skb) req = inet_csk_search_req(sk, th->source, iph->saddr, iph->daddr); if (req) { nsk = tcp_check_req(sk, skb, req, false); - if (!nsk) + if (!nsk || nsk == sk) reqsk_put(req); return nsk; } diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 83aa604f9273..1b8c5ba7d5f7 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1995,12 +1995,19 @@ void udp_v4_early_demux(struct sk_buff *skb) skb->sk = sk; skb->destructor = sock_efree; - dst = sk->sk_rx_dst; + dst = READ_ONCE(sk->sk_rx_dst); if (dst) dst = dst_check(dst, 0); - if (dst) - skb_dst_set_noref(skb, dst); + if (dst) { + /* DST_NOCACHE can not be used without taking a reference */ + if (dst->flags & DST_NOCACHE) { + if (likely(atomic_inc_not_zero(&dst->__refcnt))) + skb_dst_set(skb, dst); + } else { + skb_dst_set_noref(skb, dst); + } + } } int udp_rcv(struct sk_buff *skb) diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index 62d908e64eeb..b10a88986a98 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -40,7 +40,7 @@ static bool ipv6_mapped_addr_any(const struct in6_addr *a) return ipv6_addr_v4mapped(a) && (a->s6_addr32[3] == 0); } -int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) +static int __ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) { struct sockaddr_in6 *usin = (struct sockaddr_in6 *) uaddr; struct inet_sock *inet = inet_sk(sk); @@ -56,7 +56,7 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) if (usin->sin6_family == AF_INET) { if (__ipv6_only_sock(sk)) return -EAFNOSUPPORT; - err = ip4_datagram_connect(sk, uaddr, addr_len); + err = __ip4_datagram_connect(sk, uaddr, addr_len); goto ipv4_connected; } @@ -98,9 +98,9 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) sin.sin_addr.s_addr = daddr->s6_addr32[3]; sin.sin_port = usin->sin6_port; - err = ip4_datagram_connect(sk, - (struct sockaddr *) &sin, - sizeof(sin)); + err = __ip4_datagram_connect(sk, + (struct sockaddr *) &sin, + sizeof(sin)); ipv4_connected: if (err) @@ -204,6 +204,16 @@ out: fl6_sock_release(flowlabel); return err; } + +int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) +{ + int res; + + lock_sock(sk); + res = __ip6_datagram_connect(sk, uaddr, addr_len); + release_sock(sk); + return res; +} EXPORT_SYMBOL_GPL(ip6_datagram_connect); int ip6_datagram_connect_v6_only(struct sock *sk, struct sockaddr *uaddr, diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 55d19861ab20..548c6237b1e7 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -172,6 +172,8 @@ static void rt6_free_pcpu(struct rt6_info *non_pcpu_rt) *ppcpu_rt = NULL; } } + + non_pcpu_rt->rt6i_pcpu = NULL; } static void rt6_release(struct rt6_info *rt) diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index a38d3ac0f18f..69f4f689f06a 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -361,6 +361,7 @@ static void ip6gre_tunnel_uninit(struct net_device *dev) struct ip6gre_net *ign = net_generic(t->net, ip6gre_net_id); ip6gre_tunnel_unlink(ign, t); + ip6_tnl_dst_reset(t); dev_put(dev); } diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index e893cd18612f..08b62047c67f 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -292,8 +292,6 @@ static struct packet_offload ipv6_packet_offload __read_mostly = { static const struct net_offload sit_offload = { .callbacks = { .gso_segment = ipv6_gso_segment, - .gro_receive = ipv6_gro_receive, - .gro_complete = ipv6_gro_complete, }, }; diff --git a/net/ipv6/mcast_snoop.c b/net/ipv6/mcast_snoop.c index df8afe5ab31e..9405b04eecc6 100644 --- a/net/ipv6/mcast_snoop.c +++ b/net/ipv6/mcast_snoop.c @@ -143,34 +143,36 @@ static int __ipv6_mc_check_mld(struct sk_buff *skb, struct sk_buff *skb_chk = NULL; unsigned int transport_len; unsigned int len = skb_transport_offset(skb) + sizeof(struct mld_msg); - int ret; + int ret = -EINVAL; transport_len = ntohs(ipv6_hdr(skb)->payload_len); transport_len -= skb_transport_offset(skb) - sizeof(struct ipv6hdr); - skb_get(skb); skb_chk = skb_checksum_trimmed(skb, transport_len, ipv6_mc_validate_checksum); if (!skb_chk) - return -EINVAL; + goto err; - if (!pskb_may_pull(skb_chk, len)) { - kfree_skb(skb_chk); - return -EINVAL; - } + if (!pskb_may_pull(skb_chk, len)) + goto err; ret = ipv6_mc_check_mld_msg(skb_chk); - if (ret) { - kfree_skb(skb_chk); - return ret; - } + if (ret) + goto err; if (skb_trimmed) *skb_trimmed = skb_chk; - else + /* free now unneeded clone */ + else if (skb_chk != skb) kfree_skb(skb_chk); - return 0; + ret = 0; + +err: + if (ret && skb_chk && skb_chk != skb) + kfree_skb(skb_chk); + + return ret; } /** @@ -179,7 +181,7 @@ static int __ipv6_mc_check_mld(struct sk_buff *skb, * @skb_trimmed: to store an skb pointer trimmed to IPv6 packet tail (optional) * * Checks whether an IPv6 packet is a valid MLD packet. If so sets - * skb network and transport headers accordingly and returns zero. + * skb transport header accordingly and returns zero. * * -EINVAL: A broken packet was detected, i.e. it violates some internet * standard @@ -194,7 +196,8 @@ static int __ipv6_mc_check_mld(struct sk_buff *skb, * to leave the original skb and its full frame unchanged (which might be * desirable for layer 2 frame jugglers). * - * The caller needs to release a reference count from any returned skb_trimmed. + * Caller needs to set the skb network header and free any returned skb if it + * differs from the provided skb. */ int ipv6_mc_check_mld(struct sk_buff *skb, struct sk_buff **skb_trimmed) { diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 0a05b35a90fc..c53331cfed95 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1650,6 +1650,7 @@ int ndisc_rcv(struct sk_buff *skb) static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) { struct net_device *dev = netdev_notifier_info_to_dev(ptr); + struct netdev_notifier_change_info *change_info; struct net *net = dev_net(dev); struct inet6_dev *idev; @@ -1664,6 +1665,11 @@ static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, ndisc_send_unsol_na(dev); in6_dev_put(idev); break; + case NETDEV_CHANGE: + change_info = ptr; + if (change_info->flags_changed & IFF_NOARP) + neigh_changeaddr(&nd_tbl, dev); + break; case NETDEV_DOWN: neigh_ifdown(&nd_tbl, dev); fib6_run_gc(0, net, false); diff --git a/net/ipv6/netfilter/ip6t_SYNPROXY.c b/net/ipv6/netfilter/ip6t_SYNPROXY.c index 6edb7b106de7..ebbb754c2111 100644 --- a/net/ipv6/netfilter/ip6t_SYNPROXY.c +++ b/net/ipv6/netfilter/ip6t_SYNPROXY.c @@ -37,12 +37,13 @@ synproxy_build_ip(struct sk_buff *skb, const struct in6_addr *saddr, } static void -synproxy_send_tcp(const struct sk_buff *skb, struct sk_buff *nskb, +synproxy_send_tcp(const struct synproxy_net *snet, + const struct sk_buff *skb, struct sk_buff *nskb, struct nf_conntrack *nfct, enum ip_conntrack_info ctinfo, struct ipv6hdr *niph, struct tcphdr *nth, unsigned int tcp_hdr_size) { - struct net *net = nf_ct_net((struct nf_conn *)nfct); + struct net *net = nf_ct_net(snet->tmpl); struct dst_entry *dst; struct flowi6 fl6; @@ -83,7 +84,8 @@ free_nskb: } static void -synproxy_send_client_synack(const struct sk_buff *skb, const struct tcphdr *th, +synproxy_send_client_synack(const struct synproxy_net *snet, + const struct sk_buff *skb, const struct tcphdr *th, const struct synproxy_options *opts) { struct sk_buff *nskb; @@ -119,7 +121,7 @@ synproxy_send_client_synack(const struct sk_buff *skb, const struct tcphdr *th, synproxy_build_options(nth, opts); - synproxy_send_tcp(skb, nskb, skb->nfct, IP_CT_ESTABLISHED_REPLY, + synproxy_send_tcp(snet, skb, nskb, skb->nfct, IP_CT_ESTABLISHED_REPLY, niph, nth, tcp_hdr_size); } @@ -163,7 +165,7 @@ synproxy_send_server_syn(const struct synproxy_net *snet, synproxy_build_options(nth, opts); - synproxy_send_tcp(skb, nskb, &snet->tmpl->ct_general, IP_CT_NEW, + synproxy_send_tcp(snet, skb, nskb, &snet->tmpl->ct_general, IP_CT_NEW, niph, nth, tcp_hdr_size); } @@ -203,7 +205,7 @@ synproxy_send_server_ack(const struct synproxy_net *snet, synproxy_build_options(nth, opts); - synproxy_send_tcp(skb, nskb, NULL, 0, niph, nth, tcp_hdr_size); + synproxy_send_tcp(snet, skb, nskb, NULL, 0, niph, nth, tcp_hdr_size); } static void @@ -241,7 +243,8 @@ synproxy_send_client_ack(const struct synproxy_net *snet, synproxy_build_options(nth, opts); - synproxy_send_tcp(skb, nskb, NULL, 0, niph, nth, tcp_hdr_size); + synproxy_send_tcp(snet, skb, nskb, skb->nfct, IP_CT_ESTABLISHED_REPLY, + niph, nth, tcp_hdr_size); } static bool @@ -301,7 +304,7 @@ synproxy_tg6(struct sk_buff *skb, const struct xt_action_param *par) XT_SYNPROXY_OPT_SACK_PERM | XT_SYNPROXY_OPT_ECN); - synproxy_send_client_synack(skb, th, &opts); + synproxy_send_client_synack(snet, skb, th, &opts); return NF_DROP; } else if (th->ack && !(th->fin || th->rst || th->syn)) { diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index 6f187c8d8a1b..6d02498172c1 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -348,7 +348,7 @@ found: fq->ecn |= ecn; if (payload_len > fq->q.max_size) fq->q.max_size = payload_len; - add_frag_mem_limit(&fq->q, skb->truesize); + add_frag_mem_limit(fq->q.net, skb->truesize); /* The first fragment. * nhoffset is obtained from the first fragment, of course. @@ -430,7 +430,7 @@ nf_ct_frag6_reasm(struct frag_queue *fq, struct net_device *dev) clone->ip_summed = head->ip_summed; NFCT_FRAG6_CB(clone)->orig = NULL; - add_frag_mem_limit(&fq->q, clone->truesize); + add_frag_mem_limit(fq->q.net, clone->truesize); } /* We have to remove fragment header from datagram and to relocate @@ -454,7 +454,7 @@ nf_ct_frag6_reasm(struct frag_queue *fq, struct net_device *dev) head->csum = csum_add(head->csum, fp->csum); head->truesize += fp->truesize; } - sub_frag_mem_limit(&fq->q, head->truesize); + sub_frag_mem_limit(fq->q.net, head->truesize); head->ignore_df = 1; head->next = NULL; diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 8ffa2c8cce77..f1159bb76e0a 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -144,7 +144,7 @@ void ip6_expire_frag_queue(struct net *net, struct frag_queue *fq, IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS); - if (fq->q.flags & INET_FRAG_EVICTED) + if (inet_frag_evicting(&fq->q)) goto out_rcu_unlock; IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMTIMEOUT); @@ -330,7 +330,7 @@ found: fq->q.stamp = skb->tstamp; fq->q.meat += skb->len; fq->ecn |= ecn; - add_frag_mem_limit(&fq->q, skb->truesize); + add_frag_mem_limit(fq->q.net, skb->truesize); /* The first fragment. * nhoffset is obtained from the first fragment, of course. @@ -443,7 +443,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, head->len -= clone->len; clone->csum = 0; clone->ip_summed = head->ip_summed; - add_frag_mem_limit(&fq->q, clone->truesize); + add_frag_mem_limit(fq->q.net, clone->truesize); } /* We have to remove fragment header from datagram and to relocate @@ -481,7 +481,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, } fp = next; } - sub_frag_mem_limit(&fq->q, sum_truesize); + sub_frag_mem_limit(fq->q.net, sum_truesize); head->next = NULL; head->dev = dev; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 6090969937f8..d15586490cec 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -318,8 +318,7 @@ static const struct rt6_info ip6_blk_hole_entry_template = { /* allocate dst with ip6_dst_ops */ static struct rt6_info *__ip6_dst_alloc(struct net *net, struct net_device *dev, - int flags, - struct fib6_table *table) + int flags) { struct rt6_info *rt = dst_alloc(&net->ipv6.ip6_dst_ops, dev, 0, DST_OBSOLETE_FORCE_CHK, flags); @@ -336,10 +335,9 @@ static struct rt6_info *__ip6_dst_alloc(struct net *net, static struct rt6_info *ip6_dst_alloc(struct net *net, struct net_device *dev, - int flags, - struct fib6_table *table) + int flags) { - struct rt6_info *rt = __ip6_dst_alloc(net, dev, flags, table); + struct rt6_info *rt = __ip6_dst_alloc(net, dev, flags); if (rt) { rt->rt6i_pcpu = alloc_percpu_gfp(struct rt6_info *, GFP_ATOMIC); @@ -950,8 +948,7 @@ static struct rt6_info *ip6_rt_cache_alloc(struct rt6_info *ort, if (ort->rt6i_flags & (RTF_CACHE | RTF_PCPU)) ort = (struct rt6_info *)ort->dst.from; - rt = __ip6_dst_alloc(dev_net(ort->dst.dev), ort->dst.dev, - 0, ort->rt6i_table); + rt = __ip6_dst_alloc(dev_net(ort->dst.dev), ort->dst.dev, 0); if (!rt) return NULL; @@ -983,8 +980,7 @@ static struct rt6_info *ip6_rt_pcpu_alloc(struct rt6_info *rt) struct rt6_info *pcpu_rt; pcpu_rt = __ip6_dst_alloc(dev_net(rt->dst.dev), - rt->dst.dev, rt->dst.flags, - rt->rt6i_table); + rt->dst.dev, rt->dst.flags); if (!pcpu_rt) return NULL; @@ -997,32 +993,53 @@ static struct rt6_info *ip6_rt_pcpu_alloc(struct rt6_info *rt) /* It should be called with read_lock_bh(&tb6_lock) acquired */ static struct rt6_info *rt6_get_pcpu_route(struct rt6_info *rt) { - struct rt6_info *pcpu_rt, *prev, **p; + struct rt6_info *pcpu_rt, **p; p = this_cpu_ptr(rt->rt6i_pcpu); pcpu_rt = *p; - if (pcpu_rt) - goto done; + if (pcpu_rt) { + dst_hold(&pcpu_rt->dst); + rt6_dst_from_metrics_check(pcpu_rt); + } + return pcpu_rt; +} + +static struct rt6_info *rt6_make_pcpu_route(struct rt6_info *rt) +{ + struct fib6_table *table = rt->rt6i_table; + struct rt6_info *pcpu_rt, *prev, **p; pcpu_rt = ip6_rt_pcpu_alloc(rt); if (!pcpu_rt) { struct net *net = dev_net(rt->dst.dev); - pcpu_rt = net->ipv6.ip6_null_entry; - goto done; + dst_hold(&net->ipv6.ip6_null_entry->dst); + return net->ipv6.ip6_null_entry; } - prev = cmpxchg(p, NULL, pcpu_rt); - if (prev) { - /* If someone did it before us, return prev instead */ + read_lock_bh(&table->tb6_lock); + if (rt->rt6i_pcpu) { + p = this_cpu_ptr(rt->rt6i_pcpu); + prev = cmpxchg(p, NULL, pcpu_rt); + if (prev) { + /* If someone did it before us, return prev instead */ + dst_destroy(&pcpu_rt->dst); + pcpu_rt = prev; + } + } else { + /* rt has been removed from the fib6 tree + * before we have a chance to acquire the read_lock. + * In this case, don't brother to create a pcpu rt + * since rt is going away anyway. The next + * dst_check() will trigger a re-lookup. + */ dst_destroy(&pcpu_rt->dst); - pcpu_rt = prev; + pcpu_rt = rt; } - -done: dst_hold(&pcpu_rt->dst); rt6_dst_from_metrics_check(pcpu_rt); + read_unlock_bh(&table->tb6_lock); return pcpu_rt; } @@ -1097,9 +1114,22 @@ redo_rt6_select: rt->dst.lastuse = jiffies; rt->dst.__use++; pcpu_rt = rt6_get_pcpu_route(rt); - read_unlock_bh(&table->tb6_lock); + + if (pcpu_rt) { + read_unlock_bh(&table->tb6_lock); + } else { + /* We have to do the read_unlock first + * because rt6_make_pcpu_route() may trigger + * ip6_dst_gc() which will take the write_lock. + */ + dst_hold(&rt->dst); + read_unlock_bh(&table->tb6_lock); + pcpu_rt = rt6_make_pcpu_route(rt); + dst_release(&rt->dst); + } return pcpu_rt; + } } @@ -1555,7 +1585,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev, if (unlikely(!idev)) return ERR_PTR(-ENODEV); - rt = ip6_dst_alloc(net, dev, 0, NULL); + rt = ip6_dst_alloc(net, dev, 0); if (unlikely(!rt)) { in6_dev_put(idev); dst = ERR_PTR(-ENOMEM); @@ -1742,7 +1772,8 @@ int ip6_route_add(struct fib6_config *cfg) if (!table) goto out; - rt = ip6_dst_alloc(net, NULL, (cfg->fc_flags & RTF_ADDRCONF) ? 0 : DST_NOCOUNT, table); + rt = ip6_dst_alloc(net, NULL, + (cfg->fc_flags & RTF_ADDRCONF) ? 0 : DST_NOCOUNT); if (!rt) { err = -ENOMEM; @@ -1831,6 +1862,7 @@ int ip6_route_add(struct fib6_config *cfg) int gwa_type; gw_addr = &cfg->fc_gateway; + gwa_type = ipv6_addr_type(gw_addr); /* if gw_addr is local we will fail to detect this in case * address is still TENTATIVE (DAD in progress). rt6_lookup() @@ -1838,11 +1870,12 @@ int ip6_route_add(struct fib6_config *cfg) * prefix route was assigned to, which might be non-loopback. */ err = -EINVAL; - if (ipv6_chk_addr_and_flags(net, gw_addr, NULL, 0, 0)) + if (ipv6_chk_addr_and_flags(net, gw_addr, + gwa_type & IPV6_ADDR_LINKLOCAL ? + dev : NULL, 0, 0)) goto out; rt->rt6i_gateway = *gw_addr; - gwa_type = ipv6_addr_type(gw_addr); if (gwa_type != (IPV6_ADDR_LINKLOCAL|IPV6_ADDR_UNICAST)) { struct rt6_info *grt; @@ -2397,7 +2430,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, { struct net *net = dev_net(idev->dev); struct rt6_info *rt = ip6_dst_alloc(net, net->loopback_dev, - DST_NOCOUNT, NULL); + DST_NOCOUNT); if (!rt) return ERR_PTR(-ENOMEM); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 6748c4277aff..7a6cea5e4274 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -943,7 +943,7 @@ static struct sock *tcp_v6_hnd_req(struct sock *sk, struct sk_buff *skb) &ipv6_hdr(skb)->daddr, tcp_v6_iif(skb)); if (req) { nsk = tcp_check_req(sk, skb, req, false); - if (!nsk) + if (!nsk || nsk == sk) reqsk_put(req); return nsk; } diff --git a/net/key/af_key.c b/net/key/af_key.c index b397f0aa9005..83a70688784b 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -219,7 +219,7 @@ static int pfkey_broadcast_one(struct sk_buff *skb, struct sk_buff **skb2, #define BROADCAST_ONE 1 #define BROADCAST_REGISTERED 2 #define BROADCAST_PROMISC_ONLY 4 -static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation, +static int pfkey_broadcast(struct sk_buff *skb, int broadcast_flags, struct sock *one_sk, struct net *net) { @@ -244,7 +244,7 @@ static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation, * socket. */ if (pfk->promisc) - pfkey_broadcast_one(skb, &skb2, allocation, sk); + pfkey_broadcast_one(skb, &skb2, GFP_ATOMIC, sk); /* the exact target will be processed later */ if (sk == one_sk) @@ -259,7 +259,7 @@ static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation, continue; } - err2 = pfkey_broadcast_one(skb, &skb2, allocation, sk); + err2 = pfkey_broadcast_one(skb, &skb2, GFP_ATOMIC, sk); /* Error is cleare after succecful sending to at least one * registered KM */ @@ -269,7 +269,7 @@ static int pfkey_broadcast(struct sk_buff *skb, gfp_t allocation, rcu_read_unlock(); if (one_sk != NULL) - err = pfkey_broadcast_one(skb, &skb2, allocation, one_sk); + err = pfkey_broadcast_one(skb, &skb2, GFP_KERNEL, one_sk); kfree_skb(skb2); kfree_skb(skb); @@ -292,7 +292,7 @@ static int pfkey_do_dump(struct pfkey_sock *pfk) hdr = (struct sadb_msg *) pfk->dump.skb->data; hdr->sadb_msg_seq = 0; hdr->sadb_msg_errno = rc; - pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE, + pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE, &pfk->sk, sock_net(&pfk->sk)); pfk->dump.skb = NULL; } @@ -333,7 +333,7 @@ static int pfkey_error(const struct sadb_msg *orig, int err, struct sock *sk) hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t)); - pfkey_broadcast(skb, GFP_KERNEL, BROADCAST_ONE, sk, sock_net(sk)); + pfkey_broadcast(skb, BROADCAST_ONE, sk, sock_net(sk)); return 0; } @@ -1365,7 +1365,7 @@ static int pfkey_getspi(struct sock *sk, struct sk_buff *skb, const struct sadb_ xfrm_state_put(x); - pfkey_broadcast(resp_skb, GFP_KERNEL, BROADCAST_ONE, sk, net); + pfkey_broadcast(resp_skb, BROADCAST_ONE, sk, net); return 0; } @@ -1452,7 +1452,7 @@ static int key_notify_sa(struct xfrm_state *x, const struct km_event *c) hdr->sadb_msg_seq = c->seq; hdr->sadb_msg_pid = c->portid; - pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xs_net(x)); + pfkey_broadcast(skb, BROADCAST_ALL, NULL, xs_net(x)); return 0; } @@ -1565,7 +1565,7 @@ static int pfkey_get(struct sock *sk, struct sk_buff *skb, const struct sadb_msg out_hdr->sadb_msg_reserved = 0; out_hdr->sadb_msg_seq = hdr->sadb_msg_seq; out_hdr->sadb_msg_pid = hdr->sadb_msg_pid; - pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, sk, sock_net(sk)); + pfkey_broadcast(out_skb, BROADCAST_ONE, sk, sock_net(sk)); return 0; } @@ -1670,7 +1670,7 @@ static int pfkey_register(struct sock *sk, struct sk_buff *skb, const struct sad return -ENOBUFS; } - pfkey_broadcast(supp_skb, GFP_KERNEL, BROADCAST_REGISTERED, sk, sock_net(sk)); + pfkey_broadcast(supp_skb, BROADCAST_REGISTERED, sk, sock_net(sk)); return 0; } @@ -1689,7 +1689,7 @@ static int unicast_flush_resp(struct sock *sk, const struct sadb_msg *ihdr) hdr->sadb_msg_errno = (uint8_t) 0; hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t)); - return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ONE, sk, sock_net(sk)); + return pfkey_broadcast(skb, BROADCAST_ONE, sk, sock_net(sk)); } static int key_notify_sa_flush(const struct km_event *c) @@ -1710,7 +1710,7 @@ static int key_notify_sa_flush(const struct km_event *c) hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t)); hdr->sadb_msg_reserved = 0; - pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net); + pfkey_broadcast(skb, BROADCAST_ALL, NULL, c->net); return 0; } @@ -1767,7 +1767,7 @@ static int dump_sa(struct xfrm_state *x, int count, void *ptr) out_hdr->sadb_msg_pid = pfk->dump.msg_portid; if (pfk->dump.skb) - pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE, + pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE, &pfk->sk, sock_net(&pfk->sk)); pfk->dump.skb = out_skb; @@ -1847,7 +1847,7 @@ static int pfkey_promisc(struct sock *sk, struct sk_buff *skb, const struct sadb new_hdr->sadb_msg_errno = 0; } - pfkey_broadcast(skb, GFP_KERNEL, BROADCAST_ALL, NULL, sock_net(sk)); + pfkey_broadcast(skb, BROADCAST_ALL, NULL, sock_net(sk)); return 0; } @@ -2181,7 +2181,7 @@ static int key_notify_policy(struct xfrm_policy *xp, int dir, const struct km_ev out_hdr->sadb_msg_errno = 0; out_hdr->sadb_msg_seq = c->seq; out_hdr->sadb_msg_pid = c->portid; - pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xp_net(xp)); + pfkey_broadcast(out_skb, BROADCAST_ALL, NULL, xp_net(xp)); return 0; } @@ -2401,7 +2401,7 @@ static int key_pol_get_resp(struct sock *sk, struct xfrm_policy *xp, const struc out_hdr->sadb_msg_errno = 0; out_hdr->sadb_msg_seq = hdr->sadb_msg_seq; out_hdr->sadb_msg_pid = hdr->sadb_msg_pid; - pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ONE, sk, xp_net(xp)); + pfkey_broadcast(out_skb, BROADCAST_ONE, sk, xp_net(xp)); err = 0; out: @@ -2655,7 +2655,7 @@ static int dump_sp(struct xfrm_policy *xp, int dir, int count, void *ptr) out_hdr->sadb_msg_pid = pfk->dump.msg_portid; if (pfk->dump.skb) - pfkey_broadcast(pfk->dump.skb, GFP_ATOMIC, BROADCAST_ONE, + pfkey_broadcast(pfk->dump.skb, BROADCAST_ONE, &pfk->sk, sock_net(&pfk->sk)); pfk->dump.skb = out_skb; @@ -2708,7 +2708,7 @@ static int key_notify_policy_flush(const struct km_event *c) hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC; hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t)); hdr->sadb_msg_reserved = 0; - pfkey_broadcast(skb_out, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net); + pfkey_broadcast(skb_out, BROADCAST_ALL, NULL, c->net); return 0; } @@ -2770,7 +2770,7 @@ static int pfkey_process(struct sock *sk, struct sk_buff *skb, const struct sadb void *ext_hdrs[SADB_EXT_MAX]; int err; - pfkey_broadcast(skb_clone(skb, GFP_KERNEL), GFP_KERNEL, + pfkey_broadcast(skb_clone(skb, GFP_KERNEL), BROADCAST_PROMISC_ONLY, NULL, sock_net(sk)); memset(ext_hdrs, 0, sizeof(ext_hdrs)); @@ -2992,7 +2992,7 @@ static int key_notify_sa_expire(struct xfrm_state *x, const struct km_event *c) out_hdr->sadb_msg_seq = 0; out_hdr->sadb_msg_pid = 0; - pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL, xs_net(x)); + pfkey_broadcast(out_skb, BROADCAST_REGISTERED, NULL, xs_net(x)); return 0; } @@ -3182,7 +3182,7 @@ static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_ctx->ctx_len); } - return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL, xs_net(x)); + return pfkey_broadcast(skb, BROADCAST_REGISTERED, NULL, xs_net(x)); } static struct xfrm_policy *pfkey_compile_policy(struct sock *sk, int opt, @@ -3380,7 +3380,7 @@ static int pfkey_send_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, n_port->sadb_x_nat_t_port_port = sport; n_port->sadb_x_nat_t_port_reserved = 0; - return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_REGISTERED, NULL, xs_net(x)); + return pfkey_broadcast(skb, BROADCAST_REGISTERED, NULL, xs_net(x)); } #ifdef CONFIG_NET_KEY_MIGRATE @@ -3572,7 +3572,7 @@ static int pfkey_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type, } /* broadcast migrate message to sockets */ - pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, &init_net); + pfkey_broadcast(skb, BROADCAST_ALL, NULL, &init_net); return 0; diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index 8fd9febaa5ba..8dab4e569571 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -613,7 +613,7 @@ static int llc_wait_data(struct sock *sk, long timeo) if (signal_pending(current)) break; rc = 0; - if (sk_wait_data(sk, &timeo)) + if (sk_wait_data(sk, &timeo, NULL)) break; } return rc; @@ -802,7 +802,7 @@ static int llc_ui_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, release_sock(sk); lock_sock(sk); } else - sk_wait_data(sk, &timeo); + sk_wait_data(sk, &timeo, NULL); if ((flags & MSG_PEEK) && peek_seq != llc->copied_seq) { net_dbg_ratelimited("LLC(%s:%d): Application bug, race in MSG_PEEK\n", diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index 29236e832e44..c09c0131bfa2 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -723,6 +723,7 @@ void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) debugfs_remove_recursive(sdata->vif.debugfs_dir); sdata->vif.debugfs_dir = NULL; + sdata->debugfs.subdir_stations = NULL; } void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index ed1edac14372..553ac6dd4867 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1863,10 +1863,6 @@ void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata) ieee80211_teardown_sdata(sdata); } -/* - * Remove all interfaces, may only be called at hardware unregistration - * time because it doesn't do RCU-safe list removals. - */ void ieee80211_remove_interfaces(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata, *tmp; @@ -1875,14 +1871,21 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local) ASSERT_RTNL(); - /* - * Close all AP_VLAN interfaces first, as otherwise they - * might be closed while the AP interface they belong to - * is closed, causing unregister_netdevice_many() to crash. + /* Before destroying the interfaces, make sure they're all stopped so + * that the hardware is stopped. Otherwise, the driver might still be + * iterating the interfaces during the shutdown, e.g. from a worker + * or from RX processing or similar, and if it does so (using atomic + * iteration) while we're manipulating the list, the iteration will + * crash. + * + * After this, the hardware should be stopped and the driver should + * have stopped all of its activities, so that we can do RCU-unaware + * manipulations of the interface list below. */ - list_for_each_entry(sdata, &local->interfaces, list) - if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) - dev_close(sdata->dev); + cfg80211_shutdown_all_interfaces(local->hw.wiphy); + + WARN(local->open_count, "%s: open count remains %d\n", + wiphy_name(local->hw.wiphy), local->open_count); mutex_lock(&local->iflist_mtx); list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) { diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 5438d13e2f00..3b59099413fb 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -306,7 +306,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, if (action == WLAN_SP_MESH_PEERING_CONFIRM) { /* AID */ pos = skb_put(skb, 2); - put_unaligned_le16(plid, pos + 2); + put_unaligned_le16(plid, pos); } if (ieee80211_add_srates_ie(sdata, skb, true, band) || ieee80211_add_ext_srates_ie(sdata, skb, true, band) || @@ -1122,6 +1122,9 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, WLAN_SP_MESH_PEERING_CONFIRM) { baseaddr += 4; baselen += 4; + + if (baselen > len) + return; } ieee802_11_parse_elems(baseaddr, len - baselen, true, &elems); mesh_process_plink_frame(sdata, mgmt, &elems); diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 06b60980c62c..b676b9fa707b 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -76,6 +76,22 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) if (sdata->vif.type != NL80211_IFTYPE_STATION) continue; ieee80211_mgd_quiesce(sdata); + /* If suspended during TX in progress, and wowlan + * is enabled (connection will be active) there + * can be a race where the driver is put out + * of power-save due to TX and during suspend + * dynamic_ps_timer is cancelled and TX packet + * is flushed, leaving the driver in ACTIVE even + * after resuming until dynamic_ps_timer puts + * driver back in DOZE. + */ + if (sdata->u.mgd.associated && + sdata->u.mgd.powersave && + !(local->hw.conf.flags & IEEE80211_CONF_PS)) { + local->hw.conf.flags |= IEEE80211_CONF_PS; + ieee80211_hw_config(local, + IEEE80211_CONF_CHANGE_PS); + } } err = drv_suspend(local, wowlan); diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c index 247552a7f6c2..3ece7d1034c8 100644 --- a/net/mac80211/rc80211_minstrel.c +++ b/net/mac80211/rc80211_minstrel.c @@ -92,14 +92,15 @@ int minstrel_get_tp_avg(struct minstrel_rate *mr, int prob_ewma) static inline void minstrel_sort_best_tp_rates(struct minstrel_sta_info *mi, int i, u8 *tp_list) { - int j = MAX_THR_RATES; - struct minstrel_rate_stats *tmp_mrs = &mi->r[j - 1].stats; + int j; + struct minstrel_rate_stats *tmp_mrs; struct minstrel_rate_stats *cur_mrs = &mi->r[i].stats; - while (j > 0 && (minstrel_get_tp_avg(&mi->r[i], cur_mrs->prob_ewma) > - minstrel_get_tp_avg(&mi->r[tp_list[j - 1]], tmp_mrs->prob_ewma))) { - j--; + for (j = MAX_THR_RATES; j > 0; --j) { tmp_mrs = &mi->r[tp_list[j - 1]].stats; + if (minstrel_get_tp_avg(&mi->r[i], cur_mrs->prob_ewma) <= + minstrel_get_tp_avg(&mi->r[tp_list[j - 1]], tmp_mrs->prob_ewma)) + break; } if (j < MAX_THR_RATES - 1) diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c index ad31b2dab4f5..8db6e2994bbc 100644 --- a/net/mac80211/tdls.c +++ b/net/mac80211/tdls.c @@ -60,6 +60,7 @@ ieee80211_tdls_add_subband(struct ieee80211_sub_if_data *sdata, struct ieee80211_channel *ch; struct cfg80211_chan_def chandef; int i, subband_start; + struct wiphy *wiphy = sdata->local->hw.wiphy; for (i = start; i <= end; i += spacing) { if (!ch_cnt) @@ -70,9 +71,8 @@ ieee80211_tdls_add_subband(struct ieee80211_sub_if_data *sdata, /* we will be active on the channel */ cfg80211_chandef_create(&chandef, ch, NL80211_CHAN_NO_HT); - if (cfg80211_reg_can_beacon(sdata->local->hw.wiphy, - &chandef, - sdata->wdev.iftype)) { + if (cfg80211_reg_can_beacon_relax(wiphy, &chandef, + sdata->wdev.iftype)) { ch_cnt++; /* * check if the next channel is also part of diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 8410bb3bf5e8..b8233505bf9f 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1117,7 +1117,9 @@ static bool ieee80211_tx_prep_agg(struct ieee80211_tx_data *tx, queued = true; info->control.vif = &tx->sdata->vif; info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; - info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS; + info->flags &= ~IEEE80211_TX_TEMPORARY_FLAGS | + IEEE80211_TX_CTL_NO_PS_BUFFER | + IEEE80211_TX_STATUS_EOSP; __skb_queue_tail(&tid_tx->pending, skb); if (skb_queue_len(&tid_tx->pending) > STA_MAX_TX_BUFFER) purge_skb = __skb_dequeue(&tid_tx->pending); diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c index 5d2b806a862e..38fbc194b9cb 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -319,7 +319,13 @@ ip_vs_sched_persist(struct ip_vs_service *svc, * return *ignored=0 i.e. ICMP and NF_DROP */ sched = rcu_dereference(svc->scheduler); - dest = sched->schedule(svc, skb, iph); + if (sched) { + /* read svc->sched_data after svc->scheduler */ + smp_rmb(); + dest = sched->schedule(svc, skb, iph); + } else { + dest = NULL; + } if (!dest) { IP_VS_DBG(1, "p-schedule: no dest found.\n"); kfree(param.pe_data); @@ -467,7 +473,13 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb, } sched = rcu_dereference(svc->scheduler); - dest = sched->schedule(svc, skb, iph); + if (sched) { + /* read svc->sched_data after svc->scheduler */ + smp_rmb(); + dest = sched->schedule(svc, skb, iph); + } else { + dest = NULL; + } if (dest == NULL) { IP_VS_DBG(1, "Schedule: no dest found.\n"); return NULL; diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index 285eae3a1454..24c554201a76 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -842,15 +842,16 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest, __ip_vs_dst_cache_reset(dest); spin_unlock_bh(&dest->dst_lock); - sched = rcu_dereference_protected(svc->scheduler, 1); if (add) { ip_vs_start_estimator(svc->net, &dest->stats); list_add_rcu(&dest->n_list, &svc->destinations); svc->num_dests++; - if (sched->add_dest) + sched = rcu_dereference_protected(svc->scheduler, 1); + if (sched && sched->add_dest) sched->add_dest(svc, dest); } else { - if (sched->upd_dest) + sched = rcu_dereference_protected(svc->scheduler, 1); + if (sched && sched->upd_dest) sched->upd_dest(svc, dest); } } @@ -1084,7 +1085,7 @@ static void __ip_vs_unlink_dest(struct ip_vs_service *svc, struct ip_vs_scheduler *sched; sched = rcu_dereference_protected(svc->scheduler, 1); - if (sched->del_dest) + if (sched && sched->del_dest) sched->del_dest(svc, dest); } } @@ -1175,11 +1176,14 @@ ip_vs_add_service(struct net *net, struct ip_vs_service_user_kern *u, ip_vs_use_count_inc(); /* Lookup the scheduler by 'u->sched_name' */ - sched = ip_vs_scheduler_get(u->sched_name); - if (sched == NULL) { - pr_info("Scheduler module ip_vs_%s not found\n", u->sched_name); - ret = -ENOENT; - goto out_err; + if (strcmp(u->sched_name, "none")) { + sched = ip_vs_scheduler_get(u->sched_name); + if (!sched) { + pr_info("Scheduler module ip_vs_%s not found\n", + u->sched_name); + ret = -ENOENT; + goto out_err; + } } if (u->pe_name && *u->pe_name) { @@ -1240,10 +1244,12 @@ ip_vs_add_service(struct net *net, struct ip_vs_service_user_kern *u, spin_lock_init(&svc->stats.lock); /* Bind the scheduler */ - ret = ip_vs_bind_scheduler(svc, sched); - if (ret) - goto out_err; - sched = NULL; + if (sched) { + ret = ip_vs_bind_scheduler(svc, sched); + if (ret) + goto out_err; + sched = NULL; + } /* Bind the ct retriever */ RCU_INIT_POINTER(svc->pe, pe); @@ -1291,17 +1297,20 @@ ip_vs_add_service(struct net *net, struct ip_vs_service_user_kern *u, static int ip_vs_edit_service(struct ip_vs_service *svc, struct ip_vs_service_user_kern *u) { - struct ip_vs_scheduler *sched, *old_sched; + struct ip_vs_scheduler *sched = NULL, *old_sched; struct ip_vs_pe *pe = NULL, *old_pe = NULL; int ret = 0; /* * Lookup the scheduler, by 'u->sched_name' */ - sched = ip_vs_scheduler_get(u->sched_name); - if (sched == NULL) { - pr_info("Scheduler module ip_vs_%s not found\n", u->sched_name); - return -ENOENT; + if (strcmp(u->sched_name, "none")) { + sched = ip_vs_scheduler_get(u->sched_name); + if (!sched) { + pr_info("Scheduler module ip_vs_%s not found\n", + u->sched_name); + return -ENOENT; + } } old_sched = sched; @@ -1329,14 +1338,20 @@ ip_vs_edit_service(struct ip_vs_service *svc, struct ip_vs_service_user_kern *u) old_sched = rcu_dereference_protected(svc->scheduler, 1); if (sched != old_sched) { + if (old_sched) { + ip_vs_unbind_scheduler(svc, old_sched); + RCU_INIT_POINTER(svc->scheduler, NULL); + /* Wait all svc->sched_data users */ + synchronize_rcu(); + } /* Bind the new scheduler */ - ret = ip_vs_bind_scheduler(svc, sched); - if (ret) { - old_sched = sched; - goto out; + if (sched) { + ret = ip_vs_bind_scheduler(svc, sched); + if (ret) { + ip_vs_scheduler_put(sched); + goto out; + } } - /* Unbind the old scheduler on success */ - ip_vs_unbind_scheduler(svc, old_sched); } /* @@ -1982,6 +1997,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v) const struct ip_vs_iter *iter = seq->private; const struct ip_vs_dest *dest; struct ip_vs_scheduler *sched = rcu_dereference(svc->scheduler); + char *sched_name = sched ? sched->name : "none"; if (iter->table == ip_vs_svc_table) { #ifdef CONFIG_IP_VS_IPV6 @@ -1990,18 +2006,18 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v) ip_vs_proto_name(svc->protocol), &svc->addr.in6, ntohs(svc->port), - sched->name); + sched_name); else #endif seq_printf(seq, "%s %08X:%04X %s %s ", ip_vs_proto_name(svc->protocol), ntohl(svc->addr.ip), ntohs(svc->port), - sched->name, + sched_name, (svc->flags & IP_VS_SVC_F_ONEPACKET)?"ops ":""); } else { seq_printf(seq, "FWM %08X %s %s", - svc->fwmark, sched->name, + svc->fwmark, sched_name, (svc->flags & IP_VS_SVC_F_ONEPACKET)?"ops ":""); } @@ -2427,13 +2443,15 @@ ip_vs_copy_service(struct ip_vs_service_entry *dst, struct ip_vs_service *src) { struct ip_vs_scheduler *sched; struct ip_vs_kstats kstats; + char *sched_name; sched = rcu_dereference_protected(src->scheduler, 1); + sched_name = sched ? sched->name : "none"; dst->protocol = src->protocol; dst->addr = src->addr.ip; dst->port = src->port; dst->fwmark = src->fwmark; - strlcpy(dst->sched_name, sched->name, sizeof(dst->sched_name)); + strlcpy(dst->sched_name, sched_name, sizeof(dst->sched_name)); dst->flags = src->flags; dst->timeout = src->timeout / HZ; dst->netmask = src->netmask; @@ -2892,6 +2910,7 @@ static int ip_vs_genl_fill_service(struct sk_buff *skb, struct ip_vs_flags flags = { .flags = svc->flags, .mask = ~0 }; struct ip_vs_kstats kstats; + char *sched_name; nl_service = nla_nest_start(skb, IPVS_CMD_ATTR_SERVICE); if (!nl_service) @@ -2910,8 +2929,9 @@ static int ip_vs_genl_fill_service(struct sk_buff *skb, } sched = rcu_dereference_protected(svc->scheduler, 1); + sched_name = sched ? sched->name : "none"; pe = rcu_dereference_protected(svc->pe, 1); - if (nla_put_string(skb, IPVS_SVC_ATTR_SCHED_NAME, sched->name) || + if (nla_put_string(skb, IPVS_SVC_ATTR_SCHED_NAME, sched_name) || (pe && nla_put_string(skb, IPVS_SVC_ATTR_PE_NAME, pe->name)) || nla_put(skb, IPVS_SVC_ATTR_FLAGS, sizeof(flags), &flags) || nla_put_u32(skb, IPVS_SVC_ATTR_TIMEOUT, svc->timeout / HZ) || diff --git a/net/netfilter/ipvs/ip_vs_sched.c b/net/netfilter/ipvs/ip_vs_sched.c index 199760c71f39..7e8141647943 100644 --- a/net/netfilter/ipvs/ip_vs_sched.c +++ b/net/netfilter/ipvs/ip_vs_sched.c @@ -74,7 +74,7 @@ void ip_vs_unbind_scheduler(struct ip_vs_service *svc, if (sched->done_service) sched->done_service(svc); - /* svc->scheduler can not be set to NULL */ + /* svc->scheduler can be set to NULL only by caller */ } @@ -147,21 +147,21 @@ void ip_vs_scheduler_put(struct ip_vs_scheduler *scheduler) void ip_vs_scheduler_err(struct ip_vs_service *svc, const char *msg) { - struct ip_vs_scheduler *sched; + struct ip_vs_scheduler *sched = rcu_dereference(svc->scheduler); + char *sched_name = sched ? sched->name : "none"; - sched = rcu_dereference(svc->scheduler); if (svc->fwmark) { IP_VS_ERR_RL("%s: FWM %u 0x%08X - %s\n", - sched->name, svc->fwmark, svc->fwmark, msg); + sched_name, svc->fwmark, svc->fwmark, msg); #ifdef CONFIG_IP_VS_IPV6 } else if (svc->af == AF_INET6) { IP_VS_ERR_RL("%s: %s [%pI6c]:%d - %s\n", - sched->name, ip_vs_proto_name(svc->protocol), + sched_name, ip_vs_proto_name(svc->protocol), &svc->addr.in6, ntohs(svc->port), msg); #endif } else { IP_VS_ERR_RL("%s: %s %pI4:%d - %s\n", - sched->name, ip_vs_proto_name(svc->protocol), + sched_name, ip_vs_proto_name(svc->protocol), &svc->addr.ip, ntohs(svc->port), msg); } } diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c index b08ba9538d12..d99ad93eb855 100644 --- a/net/netfilter/ipvs/ip_vs_sync.c +++ b/net/netfilter/ipvs/ip_vs_sync.c @@ -612,7 +612,7 @@ static void ip_vs_sync_conn_v0(struct net *net, struct ip_vs_conn *cp, pkts = atomic_add_return(1, &cp->in_pkts); else pkts = sysctl_sync_threshold(ipvs); - ip_vs_sync_conn(net, cp->control, pkts); + ip_vs_sync_conn(net, cp, pkts); } } diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c index bf66a8657a5f..258a0b0e82a2 100644 --- a/net/netfilter/ipvs/ip_vs_xmit.c +++ b/net/netfilter/ipvs/ip_vs_xmit.c @@ -130,7 +130,6 @@ static struct rtable *do_output_route4(struct net *net, __be32 daddr, memset(&fl4, 0, sizeof(fl4)); fl4.daddr = daddr; - fl4.saddr = (rt_mode & IP_VS_RT_MODE_CONNECT) ? *saddr : 0; fl4.flowi4_flags = (rt_mode & IP_VS_RT_MODE_KNOWN_NH) ? FLOWI_FLAG_KNOWN_NH : 0; @@ -505,6 +504,13 @@ err_put: return -1; err_unreach: + /* The ip6_link_failure function requires the dev field to be set + * in order to get the net (further for the sake of fwmark + * reflection). + */ + if (!skb->dev) + skb->dev = skb_dst(skb)->dev; + dst_link_failure(skb); return -1; } @@ -523,10 +529,27 @@ static inline int ip_vs_tunnel_xmit_prepare(struct sk_buff *skb, if (ret == NF_ACCEPT) { nf_reset(skb); skb_forward_csum(skb); + if (!skb->sk) + skb_sender_cpu_clear(skb); } return ret; } +/* In the event of a remote destination, it's possible that we would have + * matches against an old socket (particularly a TIME-WAIT socket). This + * causes havoc down the line (ip_local_out et. al. expect regular sockets + * and invalid memory accesses will happen) so simply drop the association + * in this case. +*/ +static inline void ip_vs_drop_early_demux_sk(struct sk_buff *skb) +{ + /* If dev is set, the packet came from the LOCAL_IN callback and + * not from a local TCP socket. + */ + if (skb->dev) + skb_orphan(skb); +} + /* return NF_STOLEN (sent) or NF_ACCEPT if local=1 (not sent) */ static inline int ip_vs_nat_send_or_cont(int pf, struct sk_buff *skb, struct ip_vs_conn *cp, int local) @@ -538,12 +561,23 @@ static inline int ip_vs_nat_send_or_cont(int pf, struct sk_buff *skb, ip_vs_notrack(skb); else ip_vs_update_conntrack(skb, cp, 1); + + /* Remove the early_demux association unless it's bound for the + * exact same port and address on this host after translation. + */ + if (!local || cp->vport != cp->dport || + !ip_vs_addr_equal(cp->af, &cp->vaddr, &cp->daddr)) + ip_vs_drop_early_demux_sk(skb); + if (!local) { skb_forward_csum(skb); + if (!skb->sk) + skb_sender_cpu_clear(skb); NF_HOOK(pf, NF_INET_LOCAL_OUT, NULL, skb, NULL, skb_dst(skb)->dev, dst_output_sk); } else ret = NF_ACCEPT; + return ret; } @@ -557,7 +591,10 @@ static inline int ip_vs_send_or_cont(int pf, struct sk_buff *skb, if (likely(!(cp->flags & IP_VS_CONN_F_NFCT))) ip_vs_notrack(skb); if (!local) { + ip_vs_drop_early_demux_sk(skb); skb_forward_csum(skb); + if (!skb->sk) + skb_sender_cpu_clear(skb); NF_HOOK(pf, NF_INET_LOCAL_OUT, NULL, skb, NULL, skb_dst(skb)->dev, dst_output_sk); } else @@ -845,6 +882,8 @@ ip_vs_prepare_tunneled_skb(struct sk_buff *skb, int skb_af, struct ipv6hdr *old_ipv6h = NULL; #endif + ip_vs_drop_early_demux_sk(skb); + if (skb_headroom(skb) < max_headroom || skb_cloned(skb)) { new_skb = skb_realloc_headroom(skb, max_headroom); if (!new_skb) diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 13fad8668f83..3c20d02aee73 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -287,6 +287,46 @@ static void nf_ct_del_from_dying_or_unconfirmed_list(struct nf_conn *ct) spin_unlock(&pcpu->lock); } +/* Released via destroy_conntrack() */ +struct nf_conn *nf_ct_tmpl_alloc(struct net *net, u16 zone, gfp_t flags) +{ + struct nf_conn *tmpl; + + tmpl = kzalloc(sizeof(*tmpl), flags); + if (tmpl == NULL) + return NULL; + + tmpl->status = IPS_TEMPLATE; + write_pnet(&tmpl->ct_net, net); + +#ifdef CONFIG_NF_CONNTRACK_ZONES + if (zone) { + struct nf_conntrack_zone *nf_ct_zone; + + nf_ct_zone = nf_ct_ext_add(tmpl, NF_CT_EXT_ZONE, flags); + if (!nf_ct_zone) + goto out_free; + nf_ct_zone->id = zone; + } +#endif + atomic_set(&tmpl->ct_general.use, 0); + + return tmpl; +#ifdef CONFIG_NF_CONNTRACK_ZONES +out_free: + kfree(tmpl); + return NULL; +#endif +} +EXPORT_SYMBOL_GPL(nf_ct_tmpl_alloc); + +static void nf_ct_tmpl_free(struct nf_conn *tmpl) +{ + nf_ct_ext_destroy(tmpl); + nf_ct_ext_free(tmpl); + kfree(tmpl); +} + static void destroy_conntrack(struct nf_conntrack *nfct) { @@ -298,6 +338,10 @@ destroy_conntrack(struct nf_conntrack *nfct) NF_CT_ASSERT(atomic_read(&nfct->use) == 0); NF_CT_ASSERT(!timer_pending(&ct->timeout)); + if (unlikely(nf_ct_is_template(ct))) { + nf_ct_tmpl_free(ct); + return; + } rcu_read_lock(); l4proto = __nf_ct_l4proto_find(nf_ct_l3num(ct), nf_ct_protonum(ct)); if (l4proto && l4proto->destroy) @@ -540,28 +584,6 @@ out: } EXPORT_SYMBOL_GPL(nf_conntrack_hash_check_insert); -/* deletion from this larval template list happens via nf_ct_put() */ -void nf_conntrack_tmpl_insert(struct net *net, struct nf_conn *tmpl) -{ - struct ct_pcpu *pcpu; - - __set_bit(IPS_TEMPLATE_BIT, &tmpl->status); - __set_bit(IPS_CONFIRMED_BIT, &tmpl->status); - nf_conntrack_get(&tmpl->ct_general); - - /* add this conntrack to the (per cpu) tmpl list */ - local_bh_disable(); - tmpl->cpu = smp_processor_id(); - pcpu = per_cpu_ptr(nf_ct_net(tmpl)->ct.pcpu_lists, tmpl->cpu); - - spin_lock(&pcpu->lock); - /* Overload tuple linked list to put us in template list. */ - hlist_nulls_add_head_rcu(&tmpl->tuplehash[IP_CT_DIR_ORIGINAL].hnnode, - &pcpu->tmpl); - spin_unlock_bh(&pcpu->lock); -} -EXPORT_SYMBOL_GPL(nf_conntrack_tmpl_insert); - /* Confirm a connection given skb; places it in hash table */ int __nf_conntrack_confirm(struct sk_buff *skb) @@ -1522,10 +1544,8 @@ void *nf_ct_alloc_hashtable(unsigned int *sizep, int nulls) sz = nr_slots * sizeof(struct hlist_nulls_head); hash = (void *)__get_free_pages(GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO, get_order(sz)); - if (!hash) { - printk(KERN_WARNING "nf_conntrack: falling back to vmalloc.\n"); + if (!hash) hash = vzalloc(sz); - } if (hash && nulls) for (i = 0; i < nr_slots; i++) @@ -1751,7 +1771,6 @@ int nf_conntrack_init_net(struct net *net) spin_lock_init(&pcpu->lock); INIT_HLIST_NULLS_HEAD(&pcpu->unconfirmed, UNCONFIRMED_NULLS_VAL); INIT_HLIST_NULLS_HEAD(&pcpu->dying, DYING_NULLS_VAL); - INIT_HLIST_NULLS_HEAD(&pcpu->tmpl, TEMPLATE_NULLS_VAL); } net->ct.stat = alloc_percpu(struct ip_conntrack_stat); diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index 7a17070c5dab..b45a4223cb05 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -219,7 +219,8 @@ static inline int expect_clash(const struct nf_conntrack_expect *a, a->mask.src.u3.all[count] & b->mask.src.u3.all[count]; } - return nf_ct_tuple_mask_cmp(&a->tuple, &b->tuple, &intersect_mask); + return nf_ct_tuple_mask_cmp(&a->tuple, &b->tuple, &intersect_mask) && + nf_ct_zone(a->master) == nf_ct_zone(b->master); } static inline int expect_matches(const struct nf_conntrack_expect *a, diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index d1c23940a86a..6b8b0abbfab4 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -2995,11 +2995,6 @@ ctnetlink_create_expect(struct net *net, u16 zone, } err = nf_ct_expect_related_report(exp, portid, report); - if (err < 0) - goto err_exp; - - return 0; -err_exp: nf_ct_expect_put(exp); err_ct: nf_ct_put(ct); diff --git a/net/netfilter/nf_synproxy_core.c b/net/netfilter/nf_synproxy_core.c index 789feeae6c44..d7f168527903 100644 --- a/net/netfilter/nf_synproxy_core.c +++ b/net/netfilter/nf_synproxy_core.c @@ -349,23 +349,20 @@ static void __net_exit synproxy_proc_exit(struct net *net) static int __net_init synproxy_net_init(struct net *net) { struct synproxy_net *snet = synproxy_pernet(net); - struct nf_conntrack_tuple t; struct nf_conn *ct; int err = -ENOMEM; - memset(&t, 0, sizeof(t)); - ct = nf_conntrack_alloc(net, 0, &t, &t, GFP_KERNEL); - if (IS_ERR(ct)) { - err = PTR_ERR(ct); + ct = nf_ct_tmpl_alloc(net, 0, GFP_KERNEL); + if (!ct) goto err1; - } if (!nfct_seqadj_ext_add(ct)) goto err2; if (!nfct_synproxy_ext_add(ct)) goto err2; - nf_conntrack_tmpl_insert(net, ct); + __set_bit(IPS_CONFIRMED_BIT, &ct->status); + nf_conntrack_get(&ct->ct_general); snet->tmpl = ct; snet->stats = alloc_percpu(struct synproxy_stats); diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c index 75747aecdebe..43ddeee404e9 100644 --- a/net/netfilter/xt_CT.c +++ b/net/netfilter/xt_CT.c @@ -184,7 +184,6 @@ out: static int xt_ct_tg_check(const struct xt_tgchk_param *par, struct xt_ct_target_info_v1 *info) { - struct nf_conntrack_tuple t; struct nf_conn *ct; int ret = -EOPNOTSUPP; @@ -202,11 +201,11 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par, if (ret < 0) goto err1; - memset(&t, 0, sizeof(t)); - ct = nf_conntrack_alloc(par->net, info->zone, &t, &t, GFP_KERNEL); - ret = PTR_ERR(ct); - if (IS_ERR(ct)) + ct = nf_ct_tmpl_alloc(par->net, info->zone, GFP_KERNEL); + if (!ct) { + ret = -ENOMEM; goto err2; + } ret = 0; if ((info->ct_events || info->exp_events) && @@ -227,8 +226,8 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par, if (ret < 0) goto err3; } - - nf_conntrack_tmpl_insert(par->net, ct); + __set_bit(IPS_CONFIRMED_BIT, &ct->status); + nf_conntrack_get(&ct->ct_general); out: info->ct = ct; return 0; diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c index f407ebc13481..29d2c31f406c 100644 --- a/net/netfilter/xt_IDLETIMER.c +++ b/net/netfilter/xt_IDLETIMER.c @@ -126,6 +126,7 @@ static int idletimer_tg_create(struct idletimer_tg_info *info) goto out; } + sysfs_attr_init(&info->timer->attr.attr); info->timer->attr.attr.name = kstrdup(info->label, GFP_KERNEL); if (!info->timer->attr.attr.name) { ret = -ENOMEM; diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 9a0ae7172f92..a774985489e2 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -357,25 +357,52 @@ err1: return NULL; } + +static void +__netlink_set_ring(struct sock *sk, struct nl_mmap_req *req, bool tx_ring, void **pg_vec, + unsigned int order) +{ + struct netlink_sock *nlk = nlk_sk(sk); + struct sk_buff_head *queue; + struct netlink_ring *ring; + + queue = tx_ring ? &sk->sk_write_queue : &sk->sk_receive_queue; + ring = tx_ring ? &nlk->tx_ring : &nlk->rx_ring; + + spin_lock_bh(&queue->lock); + + ring->frame_max = req->nm_frame_nr - 1; + ring->head = 0; + ring->frame_size = req->nm_frame_size; + ring->pg_vec_pages = req->nm_block_size / PAGE_SIZE; + + swap(ring->pg_vec_len, req->nm_block_nr); + swap(ring->pg_vec_order, order); + swap(ring->pg_vec, pg_vec); + + __skb_queue_purge(queue); + spin_unlock_bh(&queue->lock); + + WARN_ON(atomic_read(&nlk->mapped)); + + if (pg_vec) + free_pg_vec(pg_vec, order, req->nm_block_nr); +} + static int netlink_set_ring(struct sock *sk, struct nl_mmap_req *req, - bool closing, bool tx_ring) + bool tx_ring) { struct netlink_sock *nlk = nlk_sk(sk); struct netlink_ring *ring; - struct sk_buff_head *queue; void **pg_vec = NULL; unsigned int order = 0; - int err; ring = tx_ring ? &nlk->tx_ring : &nlk->rx_ring; - queue = tx_ring ? &sk->sk_write_queue : &sk->sk_receive_queue; - if (!closing) { - if (atomic_read(&nlk->mapped)) - return -EBUSY; - if (atomic_read(&ring->pending)) - return -EBUSY; - } + if (atomic_read(&nlk->mapped)) + return -EBUSY; + if (atomic_read(&ring->pending)) + return -EBUSY; if (req->nm_block_nr) { if (ring->pg_vec != NULL) @@ -407,31 +434,19 @@ static int netlink_set_ring(struct sock *sk, struct nl_mmap_req *req, return -EINVAL; } - err = -EBUSY; mutex_lock(&nlk->pg_vec_lock); - if (closing || atomic_read(&nlk->mapped) == 0) { - err = 0; - spin_lock_bh(&queue->lock); - - ring->frame_max = req->nm_frame_nr - 1; - ring->head = 0; - ring->frame_size = req->nm_frame_size; - ring->pg_vec_pages = req->nm_block_size / PAGE_SIZE; - - swap(ring->pg_vec_len, req->nm_block_nr); - swap(ring->pg_vec_order, order); - swap(ring->pg_vec, pg_vec); - - __skb_queue_purge(queue); - spin_unlock_bh(&queue->lock); - - WARN_ON(atomic_read(&nlk->mapped)); + if (atomic_read(&nlk->mapped) == 0) { + __netlink_set_ring(sk, req, tx_ring, pg_vec, order); + mutex_unlock(&nlk->pg_vec_lock); + return 0; } + mutex_unlock(&nlk->pg_vec_lock); if (pg_vec) free_pg_vec(pg_vec, order, req->nm_block_nr); - return err; + + return -EBUSY; } static void netlink_mm_open(struct vm_area_struct *vma) @@ -900,10 +915,10 @@ static void netlink_sock_destruct(struct sock *sk) memset(&req, 0, sizeof(req)); if (nlk->rx_ring.pg_vec) - netlink_set_ring(sk, &req, true, false); + __netlink_set_ring(sk, &req, false, NULL, 0); memset(&req, 0, sizeof(req)); if (nlk->tx_ring.pg_vec) - netlink_set_ring(sk, &req, true, true); + __netlink_set_ring(sk, &req, true, NULL, 0); } #endif /* CONFIG_NETLINK_MMAP */ @@ -1081,6 +1096,11 @@ static int netlink_insert(struct sock *sk, u32 portid) err = __netlink_insert(table, sk); if (err) { + /* In case the hashtable backend returns with -EBUSY + * from here, it must not escape to the caller. + */ + if (unlikely(err == -EBUSY)) + err = -EOVERFLOW; if (err == -EEXIST) err = -EADDRINUSE; nlk_sk(sk)->portid = 0; @@ -2223,7 +2243,7 @@ static int netlink_setsockopt(struct socket *sock, int level, int optname, return -EINVAL; if (copy_from_user(&req, optval, sizeof(req))) return -EFAULT; - err = netlink_set_ring(sk, &req, false, + err = netlink_set_ring(sk, &req, optname == NETLINK_TX_RING); break; } @@ -2381,7 +2401,7 @@ static int netlink_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) * sendmsg(), but that's what we've got... */ if (netlink_tx_is_mmaped(sk) && - msg->msg_iter.type == ITER_IOVEC && + iter_is_iovec(&msg->msg_iter) && msg->msg_iter.nr_segs == 1 && msg->msg_iter.iov->iov_base == NULL) { err = netlink_mmap_sendmsg(sk, msg, dst_portid, dst_group, diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index 8a8c0b8b4f63..ee34f474ad14 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -273,28 +273,36 @@ static int set_eth_addr(struct sk_buff *skb, struct sw_flow_key *flow_key, return 0; } -static void set_ip_addr(struct sk_buff *skb, struct iphdr *nh, - __be32 *addr, __be32 new_addr) +static void update_ip_l4_checksum(struct sk_buff *skb, struct iphdr *nh, + __be32 addr, __be32 new_addr) { int transport_len = skb->len - skb_transport_offset(skb); + if (nh->frag_off & htons(IP_OFFSET)) + return; + if (nh->protocol == IPPROTO_TCP) { if (likely(transport_len >= sizeof(struct tcphdr))) inet_proto_csum_replace4(&tcp_hdr(skb)->check, skb, - *addr, new_addr, 1); + addr, new_addr, 1); } else if (nh->protocol == IPPROTO_UDP) { if (likely(transport_len >= sizeof(struct udphdr))) { struct udphdr *uh = udp_hdr(skb); if (uh->check || skb->ip_summed == CHECKSUM_PARTIAL) { inet_proto_csum_replace4(&uh->check, skb, - *addr, new_addr, 1); + addr, new_addr, 1); if (!uh->check) uh->check = CSUM_MANGLED_0; } } } +} +static void set_ip_addr(struct sk_buff *skb, struct iphdr *nh, + __be32 *addr, __be32 new_addr) +{ + update_ip_l4_checksum(skb, nh, *addr, new_addr); csum_replace4(&nh->check, *addr, new_addr); skb_clear_hash(skb); *addr = new_addr; diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c index 4613df8c8290..65523948fb95 100644 --- a/net/openvswitch/flow_table.c +++ b/net/openvswitch/flow_table.c @@ -752,7 +752,7 @@ int ovs_flow_init(void) BUILD_BUG_ON(sizeof(struct sw_flow_key) % sizeof(long)); flow_cache = kmem_cache_create("sw_flow", sizeof(struct sw_flow) - + (num_possible_nodes() + + (nr_node_ids * sizeof(struct flow_stats *)), 0, 0, NULL); if (flow_cache == NULL) diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index c9e8741226c6..ed458b315ef4 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2403,7 +2403,8 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg) } tp_len = tpacket_fill_skb(po, skb, ph, dev, size_max, proto, addr, hlen); - if (tp_len > dev->mtu + dev->hard_header_len) { + if (likely(tp_len >= 0) && + tp_len > dev->mtu + dev->hard_header_len) { struct ethhdr *ehdr; /* Earlier code assumed this would be a VLAN pkt, * double-check this now that we have the actual @@ -2784,7 +2785,7 @@ static int packet_release(struct socket *sock) static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto) { struct packet_sock *po = pkt_sk(sk); - const struct net_device *dev_curr; + struct net_device *dev_curr; __be16 proto_curr; bool need_rehook; @@ -2808,15 +2809,13 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto) po->num = proto; po->prot_hook.type = proto; - - if (po->prot_hook.dev) - dev_put(po->prot_hook.dev); - po->prot_hook.dev = dev; po->ifindex = dev ? dev->ifindex : 0; packet_cached_dev_assign(po, dev); } + if (dev_curr) + dev_put(dev_curr); if (proto == 0 || !need_rehook) goto out_unlock; diff --git a/net/rds/info.c b/net/rds/info.c index 9a6b4f66187c..140a44a5f7b7 100644 --- a/net/rds/info.c +++ b/net/rds/info.c @@ -176,7 +176,7 @@ int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval, /* check for all kinds of wrapping and the like */ start = (unsigned long)optval; - if (len < 0 || len + PAGE_SIZE - 1 < len || start + len < start) { + if (len < 0 || len > INT_MAX - PAGE_SIZE + 1 || start + len < start) { ret = -EINVAL; goto out; } diff --git a/net/sched/act_api.c b/net/sched/act_api.c index af427a3dbcba..43ec92680ae8 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -45,7 +45,7 @@ void tcf_hash_destroy(struct tc_action *a) } EXPORT_SYMBOL(tcf_hash_destroy); -int tcf_hash_release(struct tc_action *a, int bind) +int __tcf_hash_release(struct tc_action *a, bool bind, bool strict) { struct tcf_common *p = a->priv; int ret = 0; @@ -53,7 +53,7 @@ int tcf_hash_release(struct tc_action *a, int bind) if (p) { if (bind) p->tcfc_bindcnt--; - else if (p->tcfc_bindcnt > 0) + else if (strict && p->tcfc_bindcnt > 0) return -EPERM; p->tcfc_refcnt--; @@ -64,9 +64,10 @@ int tcf_hash_release(struct tc_action *a, int bind) ret = 1; } } + return ret; } -EXPORT_SYMBOL(tcf_hash_release); +EXPORT_SYMBOL(__tcf_hash_release); static int tcf_dump_walker(struct sk_buff *skb, struct netlink_callback *cb, struct tc_action *a) @@ -136,7 +137,7 @@ static int tcf_del_walker(struct sk_buff *skb, struct tc_action *a) head = &hinfo->htab[tcf_hash(i, hinfo->hmask)]; hlist_for_each_entry_safe(p, n, head, tcfc_head) { a->priv = p; - ret = tcf_hash_release(a, 0); + ret = __tcf_hash_release(a, false, true); if (ret == ACT_P_DELETED) { module_put(a->ops->owner); n_i++; @@ -408,7 +409,7 @@ int tcf_action_destroy(struct list_head *actions, int bind) int ret = 0; list_for_each_entry_safe(a, tmp, actions, list) { - ret = tcf_hash_release(a, bind); + ret = __tcf_hash_release(a, bind, true); if (ret == ACT_P_DELETED) module_put(a->ops->owner); else if (ret < 0) diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c index 1d56903fd4c7..d0edeb7a1950 100644 --- a/net/sched/act_bpf.c +++ b/net/sched/act_bpf.c @@ -27,9 +27,10 @@ struct tcf_bpf_cfg { struct bpf_prog *filter; struct sock_filter *bpf_ops; - char *bpf_name; + const char *bpf_name; u32 bpf_fd; u16 bpf_num_ops; + bool is_ebpf; }; static int tcf_bpf(struct sk_buff *skb, const struct tc_action *act, @@ -207,6 +208,7 @@ static int tcf_bpf_init_from_ops(struct nlattr **tb, struct tcf_bpf_cfg *cfg) cfg->bpf_ops = bpf_ops; cfg->bpf_num_ops = bpf_num_ops; cfg->filter = fp; + cfg->is_ebpf = false; return 0; } @@ -241,18 +243,40 @@ static int tcf_bpf_init_from_efd(struct nlattr **tb, struct tcf_bpf_cfg *cfg) cfg->bpf_fd = bpf_fd; cfg->bpf_name = name; cfg->filter = fp; + cfg->is_ebpf = true; return 0; } +static void tcf_bpf_cfg_cleanup(const struct tcf_bpf_cfg *cfg) +{ + if (cfg->is_ebpf) + bpf_prog_put(cfg->filter); + else + bpf_prog_destroy(cfg->filter); + + kfree(cfg->bpf_ops); + kfree(cfg->bpf_name); +} + +static void tcf_bpf_prog_fill_cfg(const struct tcf_bpf *prog, + struct tcf_bpf_cfg *cfg) +{ + cfg->is_ebpf = tcf_bpf_is_ebpf(prog); + cfg->filter = prog->filter; + + cfg->bpf_ops = prog->bpf_ops; + cfg->bpf_name = prog->bpf_name; +} + static int tcf_bpf_init(struct net *net, struct nlattr *nla, struct nlattr *est, struct tc_action *act, int replace, int bind) { struct nlattr *tb[TCA_ACT_BPF_MAX + 1]; + struct tcf_bpf_cfg cfg, old; struct tc_act_bpf *parm; struct tcf_bpf *prog; - struct tcf_bpf_cfg cfg; bool is_bpf, is_ebpf; int ret; @@ -301,6 +325,9 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla, prog = to_bpf(act); spin_lock_bh(&prog->tcf_lock); + if (ret != ACT_P_CREATED) + tcf_bpf_prog_fill_cfg(prog, &old); + prog->bpf_ops = cfg.bpf_ops; prog->bpf_name = cfg.bpf_name; @@ -316,29 +343,22 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla, if (ret == ACT_P_CREATED) tcf_hash_insert(act); + else + tcf_bpf_cfg_cleanup(&old); return ret; destroy_fp: - if (is_ebpf) - bpf_prog_put(cfg.filter); - else - bpf_prog_destroy(cfg.filter); - - kfree(cfg.bpf_ops); - kfree(cfg.bpf_name); - + tcf_bpf_cfg_cleanup(&cfg); return ret; } static void tcf_bpf_cleanup(struct tc_action *act, int bind) { - const struct tcf_bpf *prog = act->priv; + struct tcf_bpf_cfg tmp; - if (tcf_bpf_is_ebpf(prog)) - bpf_prog_put(prog->filter); - else - bpf_prog_destroy(prog->filter); + tcf_bpf_prog_fill_cfg(act->priv, &tmp); + tcf_bpf_cfg_cleanup(&tmp); } static struct tc_action_ops act_bpf_ops __read_mostly = { diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index a42a3b257226..268545050ddb 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -98,6 +98,8 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, return ret; ret = ACT_P_CREATED; } else { + if (bind) + return 0; if (!ovr) { tcf_hash_release(a, bind); return -EEXIST; diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index 17e6d6669c7f..ff8b466a73f6 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -68,13 +68,12 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla, } ret = ACT_P_CREATED; } else { - p = to_pedit(a); - tcf_hash_release(a, bind); if (bind) return 0; + tcf_hash_release(a, bind); if (!ovr) return -EEXIST; - + p = to_pedit(a); if (p->tcfp_nkeys && p->tcfp_nkeys != parm->nkeys) { keys = kmalloc(ksize, GFP_KERNEL); if (keys == NULL) diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c index c79ecfd36e0f..e5168f8b9640 100644 --- a/net/sched/cls_bpf.c +++ b/net/sched/cls_bpf.c @@ -378,7 +378,7 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb, goto errout; if (oldprog) { - list_replace_rcu(&prog->link, &oldprog->link); + list_replace_rcu(&oldprog->link, &prog->link); tcf_unbind_filter(tp, &oldprog->res); call_rcu(&oldprog->rcu, __cls_bpf_delete_prog); } else { diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c index 76bc3a20ffdb..bb2a0f529c1f 100644 --- a/net/sched/cls_flow.c +++ b/net/sched/cls_flow.c @@ -425,6 +425,8 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, if (!fnew) goto err2; + tcf_exts_init(&fnew->exts, TCA_FLOW_ACT, TCA_FLOW_POLICE); + fold = (struct flow_filter *)*arg; if (fold) { err = -EINVAL; @@ -486,7 +488,6 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, fnew->mask = ~0U; fnew->tp = tp; get_random_bytes(&fnew->hashrnd, 4); - tcf_exts_init(&fnew->exts, TCA_FLOW_ACT, TCA_FLOW_POLICE); } fnew->perturb_timer.function = flow_perturbation; @@ -526,7 +527,7 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, if (*arg == 0) list_add_tail_rcu(&fnew->list, &head->filters); else - list_replace_rcu(&fnew->list, &fold->list); + list_replace_rcu(&fold->list, &fnew->list); *arg = (unsigned long)fnew; diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index 9d37ccd95062..2f3d03f99487 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -499,7 +499,7 @@ static int fl_change(struct net *net, struct sk_buff *in_skb, *arg = (unsigned long) fnew; if (fold) { - list_replace_rcu(&fnew->list, &fold->list); + list_replace_rcu(&fold->list, &fnew->list); tcf_unbind_filter(tp, &fold->res); call_rcu(&fold->rcu, fl_destroy_filter); } else { diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index cab9e9b43967..4fbb67430ce4 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -490,6 +490,19 @@ static bool u32_destroy(struct tcf_proto *tp, bool force) return false; } } + + if (tp_c->refcnt > 1) + return false; + + if (tp_c->refcnt == 1) { + struct tc_u_hnode *ht; + + for (ht = rtnl_dereference(tp_c->hlist); + ht; + ht = rtnl_dereference(ht->next)) + if (!ht_empty(ht)) + return false; + } } if (root_ht && --root_ht->refcnt == 0) diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c index 93d5742dc7e0..6a783afe4960 100644 --- a/net/sched/sch_choke.c +++ b/net/sched/sch_choke.c @@ -385,6 +385,19 @@ static void choke_reset(struct Qdisc *sch) { struct choke_sched_data *q = qdisc_priv(sch); + while (q->head != q->tail) { + struct sk_buff *skb = q->tab[q->head]; + + q->head = (q->head + 1) & q->tab_mask; + if (!skb) + continue; + qdisc_qstats_backlog_dec(sch, skb); + --sch->q.qlen; + qdisc_drop(skb, sch); + } + + memset(q->tab, 0, (q->tab_mask + 1) * sizeof(struct sk_buff *)); + q->head = q->tail = 0; red_restart(&q->vars); } diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c index d75993f89fac..a9ba030435a2 100644 --- a/net/sched/sch_fq_codel.c +++ b/net/sched/sch_fq_codel.c @@ -155,14 +155,23 @@ static unsigned int fq_codel_drop(struct Qdisc *sch) skb = dequeue_head(flow); len = qdisc_pkt_len(skb); q->backlogs[idx] -= len; - kfree_skb(skb); sch->q.qlen--; qdisc_qstats_drop(sch); qdisc_qstats_backlog_dec(sch, skb); + kfree_skb(skb); flow->dropped++; return idx; } +static unsigned int fq_codel_qdisc_drop(struct Qdisc *sch) +{ + unsigned int prev_backlog; + + prev_backlog = sch->qstats.backlog; + fq_codel_drop(sch); + return prev_backlog - sch->qstats.backlog; +} + static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch) { struct fq_codel_sched_data *q = qdisc_priv(sch); @@ -279,10 +288,26 @@ begin: static void fq_codel_reset(struct Qdisc *sch) { - struct sk_buff *skb; + struct fq_codel_sched_data *q = qdisc_priv(sch); + int i; - while ((skb = fq_codel_dequeue(sch)) != NULL) - kfree_skb(skb); + INIT_LIST_HEAD(&q->new_flows); + INIT_LIST_HEAD(&q->old_flows); + for (i = 0; i < q->flows_cnt; i++) { + struct fq_codel_flow *flow = q->flows + i; + + while (flow->head) { + struct sk_buff *skb = dequeue_head(flow); + + qdisc_qstats_backlog_dec(sch, skb); + kfree_skb(skb); + } + + INIT_LIST_HEAD(&flow->flowchain); + codel_vars_init(&flow->cvars); + } + memset(q->backlogs, 0, q->flows_cnt * sizeof(u32)); + sch->q.qlen = 0; } static const struct nla_policy fq_codel_policy[TCA_FQ_CODEL_MAX + 1] = { @@ -604,7 +629,7 @@ static struct Qdisc_ops fq_codel_qdisc_ops __read_mostly = { .enqueue = fq_codel_enqueue, .dequeue = fq_codel_dequeue, .peek = qdisc_peek_dequeued, - .drop = fq_codel_drop, + .drop = fq_codel_qdisc_drop, .init = fq_codel_init, .reset = fq_codel_reset, .destroy = fq_codel_destroy, diff --git a/net/sched/sch_plug.c b/net/sched/sch_plug.c index 89f8fcf73f18..ade9445a55ab 100644 --- a/net/sched/sch_plug.c +++ b/net/sched/sch_plug.c @@ -216,6 +216,7 @@ static struct Qdisc_ops plug_qdisc_ops __read_mostly = { .peek = qdisc_peek_head, .init = plug_init, .change = plug_change, + .reset = qdisc_reset_queue, .owner = THIS_MODULE, }; diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 7d1492663360..52f75a5473e1 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -306,10 +306,10 @@ drop: len = qdisc_pkt_len(skb); slot->backlog -= len; sfq_dec(q, x); - kfree_skb(skb); sch->q.qlen--; qdisc_qstats_drop(sch); qdisc_qstats_backlog_dec(sch, skb); + kfree_skb(skb); return len; } diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 06320c8c1c86..a655ddc3f353 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -3132,11 +3132,18 @@ bool sctp_verify_asconf(const struct sctp_association *asoc, case SCTP_PARAM_IPV4_ADDRESS: if (length != sizeof(sctp_ipv4addr_param_t)) return false; + /* ensure there is only one addr param and it's in the + * beginning of addip_hdr params, or we reject it. + */ + if (param.v != addip->addip_hdr.params) + return false; addr_param_seen = true; break; case SCTP_PARAM_IPV6_ADDRESS: if (length != sizeof(sctp_ipv6addr_param_t)) return false; + if (param.v != addip->addip_hdr.params) + return false; addr_param_seen = true; break; case SCTP_PARAM_ADD_IP: diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index fef2acdf4a2e..85e6f03aeb70 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -702,7 +702,7 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds, * outstanding data and rely on the retransmission limit be reached * to shutdown the association. */ - if (t->asoc->state != SCTP_STATE_SHUTDOWN_PENDING) + if (t->asoc->state < SCTP_STATE_SHUTDOWN_PENDING) t->asoc->overall_error_count = 0; /* Clear the hb_sent flag to signal that we had a good diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 1425ec2bbd5a..17bef01b9aa3 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -2200,12 +2200,6 @@ static int sctp_setsockopt_events(struct sock *sk, char __user *optval, if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen)) return -EFAULT; - if (sctp_sk(sk)->subscribe.sctp_data_io_event) - pr_warn_ratelimited(DEPRECATED "%s (pid %d) " - "Requested SCTP_SNDRCVINFO event.\n" - "Use SCTP_RCVINFO through SCTP_RECVRCVINFO option instead.\n", - current->comm, task_pid_nr(current)); - /* At the time when a user app subscribes to SCTP_SENDER_DRY_EVENT, * if there is no data to be sent or retransmit, the stack will * immediately send up this notification. diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c index 9825ff0f91d6..6255d141133b 100644 --- a/net/sunrpc/backchannel_rqst.c +++ b/net/sunrpc/backchannel_rqst.c @@ -240,8 +240,8 @@ static struct rpc_rqst *xprt_alloc_bc_request(struct rpc_xprt *xprt, __be32 xid) req = xprt_alloc_bc_req(xprt, GFP_ATOMIC); if (!req) goto not_found; - /* Note: this 'free' request adds it to xprt->bc_pa_list */ - xprt_free_bc_request(req); + list_add_tail(&req->rq_bc_pa_list, &xprt->bc_pa_list); + xprt->bc_alloc_count++; } req = list_first_entry(&xprt->bc_pa_list, struct rpc_rqst, rq_bc_pa_list); @@ -336,7 +336,7 @@ void xprt_complete_bc_request(struct rpc_rqst *req, uint32_t copied) spin_lock(&xprt->bc_pa_lock); list_del(&req->rq_bc_pa_list); - xprt->bc_alloc_count--; + xprt_dec_alloc_count(xprt, 1); spin_unlock(&xprt->bc_pa_lock); req->rq_private_buf.len = copied; diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index cbc6af923dd1..23608eb0ded2 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1902,6 +1902,7 @@ call_transmit_status(struct rpc_task *task) switch (task->tk_status) { case -EAGAIN: + case -ENOBUFS: break; default: dprint_status(task); @@ -1928,7 +1929,6 @@ call_transmit_status(struct rpc_task *task) case -ECONNABORTED: case -EADDRINUSE: case -ENOTCONN: - case -ENOBUFS: case -EPIPE: rpc_task_force_reencode(task); } @@ -2057,12 +2057,13 @@ call_status(struct rpc_task *task) case -ECONNABORTED: rpc_force_rebind(clnt); case -EADDRINUSE: - case -ENOBUFS: rpc_delay(task, 3*HZ); case -EPIPE: case -ENOTCONN: task->tk_action = call_bind; break; + case -ENOBUFS: + rpc_delay(task, HZ>>2); case -EAGAIN: task->tk_action = call_transmit; break; diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index e193c2b5476b..0030376327b7 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -527,6 +527,10 @@ static int xs_local_send_request(struct rpc_task *task) true, &sent); dprintk("RPC: %s(%u) = %d\n", __func__, xdr->len - req->rq_bytes_sent, status); + + if (status == -EAGAIN && sock_writeable(transport->inet)) + status = -ENOBUFS; + if (likely(sent > 0) || status == 0) { req->rq_bytes_sent += sent; req->rq_xmit_bytes_sent += sent; @@ -539,6 +543,7 @@ static int xs_local_send_request(struct rpc_task *task) switch (status) { case -ENOBUFS: + break; case -EAGAIN: status = xs_nospace(task); break; @@ -589,6 +594,9 @@ static int xs_udp_send_request(struct rpc_task *task) if (status == -EPERM) goto process_status; + if (status == -EAGAIN && sock_writeable(transport->inet)) + status = -ENOBUFS; + if (sent > 0 || status == 0) { req->rq_xmit_bytes_sent += sent; if (sent >= req->rq_slen) @@ -669,9 +677,6 @@ static int xs_tcp_send_request(struct rpc_task *task) dprintk("RPC: xs_tcp_send_request(%u) = %d\n", xdr->len - req->rq_bytes_sent, status); - if (unlikely(sent == 0 && status < 0)) - break; - /* If we've sent the entire packet, immediately * reset the count of bytes sent. */ req->rq_bytes_sent += sent; @@ -681,18 +686,21 @@ static int xs_tcp_send_request(struct rpc_task *task) return 0; } - if (sent != 0) - continue; - status = -EAGAIN; - break; + if (status < 0) + break; + if (sent == 0) { + status = -EAGAIN; + break; + } } + if (status == -EAGAIN && sk_stream_is_writeable(transport->inet)) + status = -ENOBUFS; switch (status) { case -ENOTSOCK: status = -ENOTCONN; /* Should we call xs_close() here? */ break; - case -ENOBUFS: case -EAGAIN: status = xs_nospace(task); break; @@ -703,6 +711,7 @@ static int xs_tcp_send_request(struct rpc_task *task) case -ECONNREFUSED: case -ENOTCONN: case -EADDRINUSE: + case -ENOBUFS: case -EPIPE: clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags); } diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 915b328b9ac5..59cabc9bce69 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -797,23 +797,18 @@ static bool cfg80211_ir_permissive_chan(struct wiphy *wiphy, return false; } -bool cfg80211_reg_can_beacon(struct wiphy *wiphy, - struct cfg80211_chan_def *chandef, - enum nl80211_iftype iftype) +static bool _cfg80211_reg_can_beacon(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype, + bool check_no_ir) { bool res; u32 prohibited_flags = IEEE80211_CHAN_DISABLED | IEEE80211_CHAN_RADAR; - trace_cfg80211_reg_can_beacon(wiphy, chandef, iftype); + trace_cfg80211_reg_can_beacon(wiphy, chandef, iftype, check_no_ir); - /* - * Under certain conditions suggested by some regulatory bodies a - * GO/STA can IR on channels marked with IEEE80211_NO_IR. Set this flag - * only if such relaxations are not enabled and the conditions are not - * met. - */ - if (!cfg80211_ir_permissive_chan(wiphy, iftype, chandef->chan)) + if (check_no_ir) prohibited_flags |= IEEE80211_CHAN_NO_IR; if (cfg80211_chandef_dfs_required(wiphy, chandef, iftype) > 0 && @@ -827,8 +822,36 @@ bool cfg80211_reg_can_beacon(struct wiphy *wiphy, trace_cfg80211_return_bool(res); return res; } + +bool cfg80211_reg_can_beacon(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype) +{ + return _cfg80211_reg_can_beacon(wiphy, chandef, iftype, true); +} EXPORT_SYMBOL(cfg80211_reg_can_beacon); +bool cfg80211_reg_can_beacon_relax(struct wiphy *wiphy, + struct cfg80211_chan_def *chandef, + enum nl80211_iftype iftype) +{ + bool check_no_ir; + + ASSERT_RTNL(); + + /* + * Under certain conditions suggested by some regulatory bodies a + * GO/STA can IR on channels marked with IEEE80211_NO_IR. Set this flag + * only if such relaxations are not enabled and the conditions are not + * met. + */ + check_no_ir = !cfg80211_ir_permissive_chan(wiphy, iftype, + chandef->chan); + + return _cfg80211_reg_can_beacon(wiphy, chandef, iftype, check_no_ir); +} +EXPORT_SYMBOL(cfg80211_reg_can_beacon_relax); + int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, struct cfg80211_chan_def *chandef) { diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index c264effd00a6..76b41578a838 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2003,7 +2003,8 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, switch (iftype) { case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: - if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, iftype)) { + if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, + iftype)) { result = -EINVAL; break; } @@ -3403,8 +3404,8 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) } else if (!nl80211_get_ap_channel(rdev, ¶ms)) return -EINVAL; - if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, - wdev->iftype)) + if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, + wdev->iftype)) return -EINVAL; if (info->attrs[NL80211_ATTR_ACL_POLICY]) { @@ -6492,8 +6493,8 @@ skip_beacons: if (err) return err; - if (!cfg80211_reg_can_beacon(&rdev->wiphy, ¶ms.chandef, - wdev->iftype)) + if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, + wdev->iftype)) return -EINVAL; err = cfg80211_chandef_dfs_required(wdev->wiphy, @@ -10170,7 +10171,8 @@ static int nl80211_tdls_channel_switch(struct sk_buff *skb, return -EINVAL; /* we will be active on the TDLS link */ - if (!cfg80211_reg_can_beacon(&rdev->wiphy, &chandef, wdev->iftype)) + if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, + wdev->iftype)) return -EINVAL; /* don't allow switching to DFS channels */ diff --git a/net/wireless/reg.c b/net/wireless/reg.c index d359e0610198..aa2d75482017 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -544,15 +544,15 @@ static int call_crda(const char *alpha2) reg_regdb_query(alpha2); if (reg_crda_timeouts > REG_MAX_CRDA_TIMEOUTS) { - pr_info("Exceeded CRDA call max attempts. Not calling CRDA\n"); + pr_debug("Exceeded CRDA call max attempts. Not calling CRDA\n"); return -EINVAL; } if (!is_world_regdom((char *) alpha2)) - pr_info("Calling CRDA for country: %c%c\n", + pr_debug("Calling CRDA for country: %c%c\n", alpha2[0], alpha2[1]); else - pr_info("Calling CRDA to update world regulatory domain\n"); + pr_debug("Calling CRDA to update world regulatory domain\n"); return kobject_uevent_env(®_pdev->dev.kobj, KOBJ_CHANGE, env); } @@ -1589,7 +1589,7 @@ static bool reg_wdev_chan_valid(struct wiphy *wiphy, struct wireless_dev *wdev) case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: case NL80211_IFTYPE_ADHOC: - return cfg80211_reg_can_beacon(wiphy, &chandef, iftype); + return cfg80211_reg_can_beacon_relax(wiphy, &chandef, iftype); case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_CLIENT: return cfg80211_chandef_usable(wiphy, &chandef, diff --git a/net/wireless/trace.h b/net/wireless/trace.h index af3617c9879e..a808279a432a 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -2358,20 +2358,23 @@ TRACE_EVENT(cfg80211_cqm_rssi_notify, TRACE_EVENT(cfg80211_reg_can_beacon, TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef, - enum nl80211_iftype iftype), - TP_ARGS(wiphy, chandef, iftype), + enum nl80211_iftype iftype, bool check_no_ir), + TP_ARGS(wiphy, chandef, iftype, check_no_ir), TP_STRUCT__entry( WIPHY_ENTRY CHAN_DEF_ENTRY __field(enum nl80211_iftype, iftype) + __field(bool, check_no_ir) ), TP_fast_assign( WIPHY_ASSIGN; CHAN_DEF_ASSIGN(chandef); __entry->iftype = iftype; + __entry->check_no_ir = check_no_ir; ), - TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT ", iftype=%d", - WIPHY_PR_ARG, CHAN_DEF_PR_ARG, __entry->iftype) + TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT ", iftype=%d check_no_ir=%s", + WIPHY_PR_ARG, CHAN_DEF_PR_ARG, __entry->iftype, + BOOL_TO_STR(__entry->check_no_ir)) ); TRACE_EVENT(cfg80211_chandef_dfs_required, diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h index 8965d1bb8811..125d6402f64f 100644 --- a/samples/trace_events/trace-events-sample.h +++ b/samples/trace_events/trace-events-sample.h @@ -168,7 +168,10 @@ * * For __dynamic_array(int, foo, bar) use __get_dynamic_array(foo) * Use __get_dynamic_array_len(foo) to get the length of the array - * saved. + * saved. Note, __get_dynamic_array_len() returns the total allocated + * length of the dynamic array; __print_array() expects the second + * parameter to be the number of elements. To get that, the array length + * needs to be divided by the element size. * * For __string(foo, bar) use __get_str(foo) * @@ -288,7 +291,7 @@ TRACE_EVENT(foo_bar, * This prints out the array that is defined by __array in a nice format. */ __print_array(__get_dynamic_array(list), - __get_dynamic_array_len(list), + __get_dynamic_array_len(list) / sizeof(int), sizeof(int)), __get_str(str), __get_bitmask(cpus)) ); diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 90e1edc8dd42..d5c8e9a3a73c 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2599,7 +2599,7 @@ sub process { # if LONG_LINE is ignored, the other 2 types are also ignored # - if ($length > $max_line_length) { + if ($line =~ /^\+/ && $length > $max_line_length) { my $msg_type = "LONG_LINE"; # Check the allowed long line types first diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl index 9cb8522d8d22..f3d3fb42b873 100755 --- a/scripts/kconfig/streamline_config.pl +++ b/scripts/kconfig/streamline_config.pl @@ -137,7 +137,7 @@ my $ksource = ($ARGV[0] ? $ARGV[0] : '.'); my $kconfig = $ARGV[1]; my $lsmod_file = $ENV{'LSMOD'}; -my @makefiles = `find $ksource -name Makefile 2>/dev/null`; +my @makefiles = `find $ksource -name Makefile -or -name Kbuild 2>/dev/null`; chomp @makefiles; my %depends; diff --git a/security/keys/keyring.c b/security/keys/keyring.c index e72548b5897e..d33437007ad2 100644 --- a/security/keys/keyring.c +++ b/security/keys/keyring.c @@ -1181,9 +1181,11 @@ void __key_link_end(struct key *keyring, if (index_key->type == &key_type_keyring) up_write(&keyring_serialise_link_sem); - if (edit && !edit->dead_leaf) { - key_payload_reserve(keyring, - keyring->datalen - KEYQUOTA_LINK_BYTES); + if (edit) { + if (!edit->dead_leaf) { + key_payload_reserve(keyring, + keyring->datalen - KEYQUOTA_LINK_BYTES); + } assoc_array_cancel_edit(edit); } up_write(&keyring->sem); diff --git a/security/security.c b/security/security.c index 595fffab48b0..994283624bdb 100644 --- a/security/security.c +++ b/security/security.c @@ -380,8 +380,8 @@ int security_inode_init_security(struct inode *inode, struct inode *dir, return 0; if (!initxattrs) - return call_int_hook(inode_init_security, 0, inode, dir, qstr, - NULL, NULL, NULL); + return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, + dir, qstr, NULL, NULL, NULL); memset(new_xattrs, 0, sizeof(new_xattrs)); lsm_xattr = new_xattrs; ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr, @@ -409,8 +409,8 @@ int security_old_inode_init_security(struct inode *inode, struct inode *dir, { if (unlikely(IS_PRIVATE(inode))) return -EOPNOTSUPP; - return call_int_hook(inode_init_security, 0, inode, dir, qstr, - name, value, len); + return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, + qstr, name, value, len); } EXPORT_SYMBOL(security_old_inode_init_security); @@ -1281,7 +1281,8 @@ int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) { - return call_int_hook(socket_getpeersec_dgram, 0, sock, skb, secid); + return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock, + skb, secid); } EXPORT_SYMBOL(security_socket_getpeersec_dgram); diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c index 9ed32502470e..5ebb89687936 100644 --- a/security/yama/yama_lsm.c +++ b/security/yama/yama_lsm.c @@ -406,6 +406,7 @@ static __init int yama_init(void) */ if (!security_module_enable("yama")) return 0; + yama_add_hooks(); #endif pr_info("Yama: becoming mindful.\n"); diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index d126c03361ae..75888dd38a7f 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -85,7 +85,7 @@ static DECLARE_RWSEM(snd_pcm_link_rwsem); void snd_pcm_stream_lock(struct snd_pcm_substream *substream) { if (substream->pcm->nonatomic) { - down_read(&snd_pcm_link_rwsem); + down_read_nested(&snd_pcm_link_rwsem, SINGLE_DEPTH_NESTING); mutex_lock(&substream->self_group.mutex); } else { read_lock(&snd_pcm_link_rwlock); diff --git a/sound/firewire/amdtp.c b/sound/firewire/amdtp.c index 7bb988fa6b6d..2a153d260836 100644 --- a/sound/firewire/amdtp.c +++ b/sound/firewire/amdtp.c @@ -740,8 +740,9 @@ static int handle_in_packet(struct amdtp_stream *s, s->data_block_counter != UINT_MAX) data_block_counter = s->data_block_counter; - if (((s->flags & CIP_SKIP_DBC_ZERO_CHECK) && data_block_counter == 0) || - (s->data_block_counter == UINT_MAX)) { + if (((s->flags & CIP_SKIP_DBC_ZERO_CHECK) && + data_block_counter == s->tx_first_dbc) || + s->data_block_counter == UINT_MAX) { lost = false; } else if (!(s->flags & CIP_DBC_IS_END_EVENT)) { lost = data_block_counter != s->data_block_counter; diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h index 26b909329e54..b2cf9e75693b 100644 --- a/sound/firewire/amdtp.h +++ b/sound/firewire/amdtp.h @@ -157,6 +157,8 @@ struct amdtp_stream { /* quirk: fixed interval of dbc between previos/current packets. */ unsigned int tx_dbc_interval; + /* quirk: indicate the value of dbc field in a first packet. */ + unsigned int tx_first_dbc; bool callbacked; wait_queue_head_t callback_wait; diff --git a/sound/firewire/fireworks/fireworks.c b/sound/firewire/fireworks/fireworks.c index 2682e7e3e5c9..c94a432f7cc6 100644 --- a/sound/firewire/fireworks/fireworks.c +++ b/sound/firewire/fireworks/fireworks.c @@ -248,8 +248,16 @@ efw_probe(struct fw_unit *unit, err = get_hardware_info(efw); if (err < 0) goto error; + /* AudioFire8 (since 2009) and AudioFirePre8 */ if (entry->model_id == MODEL_ECHO_AUDIOFIRE_9) efw->is_af9 = true; + /* These models uses the same firmware. */ + if (entry->model_id == MODEL_ECHO_AUDIOFIRE_2 || + entry->model_id == MODEL_ECHO_AUDIOFIRE_4 || + entry->model_id == MODEL_ECHO_AUDIOFIRE_9 || + entry->model_id == MODEL_GIBSON_RIP || + entry->model_id == MODEL_GIBSON_GOLDTOP) + efw->is_fireworks3 = true; snd_efw_proc_init(efw); diff --git a/sound/firewire/fireworks/fireworks.h b/sound/firewire/fireworks/fireworks.h index 4f0201a95222..084d414b228c 100644 --- a/sound/firewire/fireworks/fireworks.h +++ b/sound/firewire/fireworks/fireworks.h @@ -71,6 +71,7 @@ struct snd_efw { /* for quirks */ bool is_af9; + bool is_fireworks3; u32 firmware_version; unsigned int midi_in_ports; diff --git a/sound/firewire/fireworks/fireworks_stream.c b/sound/firewire/fireworks/fireworks_stream.c index c55db1bddc80..7e353f1f7bff 100644 --- a/sound/firewire/fireworks/fireworks_stream.c +++ b/sound/firewire/fireworks/fireworks_stream.c @@ -172,6 +172,15 @@ int snd_efw_stream_init_duplex(struct snd_efw *efw) efw->tx_stream.flags |= CIP_DBC_IS_END_EVENT; /* Fireworks reset dbc at bus reset. */ efw->tx_stream.flags |= CIP_SKIP_DBC_ZERO_CHECK; + /* + * But Recent firmwares starts packets with non-zero dbc. + * Driver version 5.7.6 installs firmware version 5.7.3. + */ + if (efw->is_fireworks3 && + (efw->firmware_version == 0x5070000 || + efw->firmware_version == 0x5070300 || + efw->firmware_version == 0x5080000)) + efw->tx_stream.tx_first_dbc = 0x02; /* AudioFire9 always reports wrong dbs. */ if (efw->is_af9) efw->tx_stream.flags |= CIP_WRONG_DBS; diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c index b2da19b60f4e..358f16195483 100644 --- a/sound/hda/ext/hdac_ext_controller.c +++ b/sound/hda/ext/hdac_ext_controller.c @@ -44,16 +44,10 @@ int snd_hdac_ext_bus_parse_capabilities(struct hdac_ext_bus *ebus) offset = snd_hdac_chip_readl(bus, LLCH); - if (offset < 0) - return -EIO; - /* Lets walk the linked capabilities list */ do { cur_cap = _snd_hdac_chip_read(l, bus, offset); - if (cur_cap < 0) - return -EIO; - dev_dbg(bus->dev, "Capability version: 0x%x\n", ((cur_cap & AZX_CAP_HDR_VER_MASK) >> AZX_CAP_HDR_VER_OFF)); diff --git a/sound/hda/ext/hdac_ext_stream.c b/sound/hda/ext/hdac_ext_stream.c index f8ffbdbb450d..3de47dd1a76d 100644 --- a/sound/hda/ext/hdac_ext_stream.c +++ b/sound/hda/ext/hdac_ext_stream.c @@ -299,7 +299,7 @@ hdac_ext_host_stream_assign(struct hdac_ext_bus *ebus, if (stream->direction != substream->stream) continue; - if (stream->opened) { + if (!stream->opened) { if (!hstream->decoupled) snd_hdac_ext_stream_decouple(ebus, hstream, true); res = hstream; diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c index 442500e06b7c..5676b849379d 100644 --- a/sound/hda/hdac_i915.c +++ b/sound/hda/hdac_i915.c @@ -56,8 +56,11 @@ int snd_hdac_display_power(struct hdac_bus *bus, bool enable) enable ? "enable" : "disable"); if (enable) { - if (!bus->i915_power_refcount++) + if (!bus->i915_power_refcount++) { acomp->ops->get_power(acomp->dev); + snd_hdac_set_codec_wakeup(bus, true); + snd_hdac_set_codec_wakeup(bus, false); + } } else { WARN_ON(!bus->i915_power_refcount); if (!--bus->i915_power_refcount) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 5de3c5d8c2c0..d1a2cb65e27c 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -3172,7 +3172,7 @@ static int add_std_chmaps(struct hda_codec *codec) struct snd_pcm_chmap *chmap; const struct snd_pcm_chmap_elem *elem; - if (!pcm || pcm->own_chmap || + if (!pcm || !pcm->pcm || pcm->own_chmap || !hinfo->substreams) continue; elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps; diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index ac0db1679f09..24f91114a32c 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -671,7 +671,8 @@ static bool is_active_nid(struct hda_codec *codec, hda_nid_t nid, } for (i = 0; i < path->depth; i++) { if (path->path[i] == nid) { - if (dir == HDA_OUTPUT || path->idx[i] == idx) + if (dir == HDA_OUTPUT || idx == -1 || + path->idx[i] == idx) return true; break; } @@ -682,7 +683,7 @@ static bool is_active_nid(struct hda_codec *codec, hda_nid_t nid, /* check whether the NID is referred by any active paths */ #define is_active_nid_for_any(codec, nid) \ - is_active_nid(codec, nid, HDA_OUTPUT, 0) + is_active_nid(codec, nid, HDA_OUTPUT, -1) /* get the default amp value for the target state */ static int get_amp_val_to_activate(struct hda_codec *codec, hda_nid_t nid, @@ -883,8 +884,7 @@ void snd_hda_activate_path(struct hda_codec *codec, struct nid_path *path, struct hda_gen_spec *spec = codec->spec; int i; - if (!enable) - path->active = false; + path->active = enable; /* make sure the widget is powered up */ if (enable && (spec->power_down_unused || codec->power_save_node)) @@ -902,9 +902,6 @@ void snd_hda_activate_path(struct hda_codec *codec, struct nid_path *path, if (has_amp_out(codec, path, i)) activate_amp_out(codec, path, i, enable); } - - if (enable) - path->active = true; } EXPORT_SYMBOL_GPL(snd_hda_activate_path); @@ -5175,7 +5172,7 @@ static int alt_playback_pcm_open(struct hda_pcm_stream *hinfo, int err = 0; mutex_lock(&spec->pcm_mutex); - if (!spec->indep_hp_enabled) + if (spec->indep_hp && !spec->indep_hp_enabled) err = -EBUSY; else spec->active_streams |= 1 << STREAM_INDEP_HP; diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 745535d1840a..c38c68f57938 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -867,7 +867,7 @@ static int azx_suspend(struct device *dev) chip = card->private_data; hda = container_of(chip, struct hda_intel, chip); - if (chip->disabled || hda->init_failed) + if (chip->disabled || hda->init_failed || !chip->running) return 0; bus = azx_bus(chip); @@ -902,7 +902,7 @@ static int azx_resume(struct device *dev) chip = card->private_data; hda = container_of(chip, struct hda_intel, chip); - if (chip->disabled || hda->init_failed) + if (chip->disabled || hda->init_failed || !chip->running) return 0; if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL @@ -979,14 +979,16 @@ static int azx_runtime_resume(struct device *dev) if (!azx_has_pm_runtime(chip)) return 0; - if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL - && hda->need_i915_power) { - bus = azx_bus(chip); - snd_hdac_display_power(bus, true); - haswell_set_bclk(hda); - /* toggle codec wakeup bit for STATESTS read */ - snd_hdac_set_codec_wakeup(bus, true); - snd_hdac_set_codec_wakeup(bus, false); + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { + bus = azx_bus(chip); + if (hda->need_i915_power) { + snd_hdac_display_power(bus, true); + haswell_set_bclk(hda); + } else { + /* toggle codec wakeup bit for STATESTS read */ + snd_hdac_set_codec_wakeup(bus, true); + snd_hdac_set_codec_wakeup(bus, false); + } } /* Read STATESTS before controller reset */ @@ -1025,7 +1027,7 @@ static int azx_runtime_idle(struct device *dev) return 0; if (!power_save_controller || !azx_has_pm_runtime(chip) || - azx_bus(chip)->codec_powered) + azx_bus(chip)->codec_powered || !chip->running) return -EBUSY; return 0; @@ -2182,6 +2184,8 @@ static const struct pci_device_id azx_ids[] = { /* ATI HDMI */ { PCI_DEVICE(0x1002, 0x1308), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, + { PCI_DEVICE(0x1002, 0x157a), + .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0x793b), .driver_data = AZX_DRIVER_ATIHDMI | AZX_DCAPS_PRESET_ATI_HDMI }, { PCI_DEVICE(0x1002, 0x7919), @@ -2236,8 +2240,14 @@ static const struct pci_device_id azx_ids[] = { .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaab0), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, + { PCI_DEVICE(0x1002, 0xaac0), + .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, { PCI_DEVICE(0x1002, 0xaac8), .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, + { PCI_DEVICE(0x1002, 0xaad8), + .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, + { PCI_DEVICE(0x1002, 0xaae8), + .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS }, /* VIA VT8251/VT8237A */ { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA | AZX_DCAPS_POSFIX_VIA }, diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index 25ccf781fbe7..584a0343ab0c 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -999,9 +999,7 @@ static void cs4210_spdif_automute(struct hda_codec *codec, spec->spdif_present = spdif_present; /* SPDIF TX on/off */ - if (spdif_present) - snd_hda_set_pin_ctl(codec, spdif_pin, - spdif_present ? PIN_OUT : 0); + snd_hda_set_pin_ctl(codec, spdif_pin, spdif_present ? PIN_OUT : 0); cs_automute(codec); } diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index f788a91b544a..ca03c40609fc 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -200,12 +200,33 @@ static int cx_auto_init(struct hda_codec *codec) return 0; } -#define cx_auto_free snd_hda_gen_free +static void cx_auto_reboot_notify(struct hda_codec *codec) +{ + struct conexant_spec *spec = codec->spec; + + if (codec->core.vendor_id != 0x14f150f2) + return; + + /* Turn the CX20722 codec into D3 to avoid spurious noises + from the internal speaker during (and after) reboot */ + cx_auto_turn_eapd(codec, spec->num_eapds, spec->eapds, false); + + snd_hda_codec_set_power_to_all(codec, codec->core.afg, AC_PWRST_D3); + snd_hda_codec_write(codec, codec->core.afg, 0, + AC_VERB_SET_POWER_STATE, AC_PWRST_D3); +} + +static void cx_auto_free(struct hda_codec *codec) +{ + cx_auto_reboot_notify(codec); + snd_hda_gen_free(codec); +} static const struct hda_codec_ops cx_auto_patch_ops = { .build_controls = cx_auto_build_controls, .build_pcms = snd_hda_gen_build_pcms, .init = cx_auto_init, + .reboot_notify = cx_auto_reboot_notify, .free = cx_auto_free, .unsol_event = snd_hda_jack_unsol_event, #ifdef CONFIG_PM diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 2f2433845d04..a97db5fc8a15 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -3512,6 +3512,7 @@ static const struct hda_codec_preset snd_hda_preset_hdmi[] = { { .id = 0x10de0070, .name = "GPU 70 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0071, .name = "GPU 71 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0072, .name = "GPU 72 HDMI/DP", .patch = patch_nvhdmi }, +{ .id = 0x10de007d, .name = "GPU 7d HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch }, { .id = 0x11069f80, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi }, { .id = 0x11069f81, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi }, @@ -3527,6 +3528,7 @@ static const struct hda_codec_preset snd_hda_preset_hdmi[] = { { .id = 0x80862807, .name = "Haswell HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862808, .name = "Broadwell HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862809, .name = "Skylake HDMI", .patch = patch_generic_hdmi }, +{ .id = 0x8086280a, .name = "Broxton HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862880, .name = "CedarTrail HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862882, .name = "Valleyview2 HDMI", .patch = patch_generic_hdmi }, { .id = 0x80862883, .name = "Braswell HDMI", .patch = patch_generic_hdmi }, @@ -3575,6 +3577,7 @@ MODULE_ALIAS("snd-hda-codec-id:10de0067"); MODULE_ALIAS("snd-hda-codec-id:10de0070"); MODULE_ALIAS("snd-hda-codec-id:10de0071"); MODULE_ALIAS("snd-hda-codec-id:10de0072"); +MODULE_ALIAS("snd-hda-codec-id:10de007d"); MODULE_ALIAS("snd-hda-codec-id:10de8001"); MODULE_ALIAS("snd-hda-codec-id:11069f80"); MODULE_ALIAS("snd-hda-codec-id:11069f81"); @@ -3591,6 +3594,7 @@ MODULE_ALIAS("snd-hda-codec-id:80862806"); MODULE_ALIAS("snd-hda-codec-id:80862807"); MODULE_ALIAS("snd-hda-codec-id:80862808"); MODULE_ALIAS("snd-hda-codec-id:80862809"); +MODULE_ALIAS("snd-hda-codec-id:8086280a"); MODULE_ALIAS("snd-hda-codec-id:80862880"); MODULE_ALIAS("snd-hda-codec-id:80862882"); MODULE_ALIAS("snd-hda-codec-id:80862883"); diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index b3b44681d3cf..374ea53288ca 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2222,7 +2222,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x106b, 0x4300, "iMac 9,1", ALC889_FIXUP_IMAC91_VREF), SND_PCI_QUIRK(0x106b, 0x4600, "MacbookPro 5,2", ALC889_FIXUP_IMAC91_VREF), SND_PCI_QUIRK(0x106b, 0x4900, "iMac 9,1 Aluminum", ALC889_FIXUP_IMAC91_VREF), - SND_PCI_QUIRK(0x106b, 0x4a00, "Macbook 5,2", ALC889_FIXUP_IMAC91_VREF), + SND_PCI_QUIRK(0x106b, 0x4a00, "Macbook 5,2", ALC889_FIXUP_MBA11_VREF), SND_PCI_QUIRK(0x1071, 0x8258, "Evesham Voyaeger", ALC882_FIXUP_EAPD), SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD), @@ -4441,6 +4441,55 @@ static void alc290_fixup_mono_speakers(struct hda_codec *codec, } } +/* Hook to update amp GPIO4 for automute */ +static void alc280_hp_gpio4_automute_hook(struct hda_codec *codec, + struct hda_jack_callback *jack) +{ + struct alc_spec *spec = codec->spec; + + snd_hda_gen_hp_automute(codec, jack); + /* mute_led_polarity is set to 0, so we pass inverted value here */ + alc_update_gpio_led(codec, 0x10, !spec->gen.hp_jack_present); +} + +/* Manage GPIOs for HP EliteBook Folio 9480m. + * + * GPIO4 is the headphone amplifier power control + * GPIO3 is the audio output mute indicator LED + */ + +static void alc280_fixup_hp_9480m(struct hda_codec *codec, + const struct hda_fixup *fix, + int action) +{ + struct alc_spec *spec = codec->spec; + static const struct hda_verb gpio_init[] = { + { 0x01, AC_VERB_SET_GPIO_MASK, 0x18 }, + { 0x01, AC_VERB_SET_GPIO_DIRECTION, 0x18 }, + {} + }; + + if (action == HDA_FIXUP_ACT_PRE_PROBE) { + /* Set the hooks to turn the headphone amp on/off + * as needed + */ + spec->gen.vmaster_mute.hook = alc_fixup_gpio_mute_hook; + spec->gen.hp_automute_hook = alc280_hp_gpio4_automute_hook; + + /* The GPIOs are currently off */ + spec->gpio_led = 0; + + /* GPIO3 is connected to the output mute LED, + * high is on, low is off + */ + spec->mute_led_polarity = 0; + spec->gpio_mute_led_mask = 0x08; + + /* Initialize GPIO configuration */ + snd_hda_add_verbs(codec, gpio_init); + } +} + /* for hda_fixup_thinkpad_acpi() */ #include "thinkpad_helper.c" @@ -4521,6 +4570,7 @@ enum { ALC286_FIXUP_HP_GPIO_LED, ALC280_FIXUP_HP_GPIO2_MIC_HOTKEY, ALC280_FIXUP_HP_DOCK_PINS, + ALC280_FIXUP_HP_9480M, ALC288_FIXUP_DELL_HEADSET_MODE, ALC288_FIXUP_DELL1_MIC_NO_PRESENCE, ALC288_FIXUP_DELL_XPS_13_GPIO6, @@ -5011,7 +5061,7 @@ static const struct hda_fixup alc269_fixups[] = { { 0x14, 0x90170110 }, { 0x17, 0x40000008 }, { 0x18, 0x411111f0 }, - { 0x19, 0x411111f0 }, + { 0x19, 0x01a1913c }, { 0x1a, 0x411111f0 }, { 0x1b, 0x411111f0 }, { 0x1d, 0x40f89b2d }, @@ -5043,6 +5093,10 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC280_FIXUP_HP_GPIO4 }, + [ALC280_FIXUP_HP_9480M] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc280_fixup_hp_9480m, + }, [ALC288_FIXUP_DELL_HEADSET_MODE] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_headset_mode_dell_alc288, @@ -5131,9 +5185,12 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x064a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x064b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x0665, "Dell XPS 13", ALC288_FIXUP_DELL_XPS_13), + SND_PCI_QUIRK(0x1028, 0x069a, "Dell Vostro 5480", ALC290_FIXUP_SUBWOOFER_HSJACK), SND_PCI_QUIRK(0x1028, 0x06c7, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x06d9, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x06da, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1028, 0x06de, "Dell", ALC292_FIXUP_DISABLE_AAMIX), + SND_PCI_QUIRK(0x1028, 0x06db, "Dell", ALC292_FIXUP_DISABLE_AAMIX), SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2), @@ -5161,6 +5218,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x22b7, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x22bf, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x22cf, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), + SND_PCI_QUIRK(0x103c, 0x22db, "HP", ALC280_FIXUP_HP_9480M), SND_PCI_QUIRK(0x103c, 0x22dc, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), SND_PCI_QUIRK(0x103c, 0x22fb, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), /* ALC290 */ @@ -5234,6 +5292,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x220c, "Thinkpad T440s", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x220e, "Thinkpad T440p", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2210, "Thinkpad T540p", ALC292_FIXUP_TPT440_DOCK), + SND_PCI_QUIRK(0x17aa, 0x2211, "Thinkpad W541", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2212, "Thinkpad T440", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad X240", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), @@ -5343,8 +5402,6 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {0x19, 0x411111f0}, \ {0x1a, 0x411111f0}, \ {0x1b, 0x411111f0}, \ - {0x1d, 0x40700001}, \ - {0x1e, 0x411111f0}, \ {0x21, 0x02211020} #define ALC282_STANDARD_PINS \ @@ -5375,8 +5432,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {0x15, 0x0221401f}, \ {0x1a, 0x411111f0}, \ {0x1b, 0x411111f0}, \ - {0x1d, 0x40700001}, \ - {0x1e, 0x411111f0} + {0x1d, 0x40700001} #define ALC298_STANDARD_PINS \ {0x18, 0x411111f0}, \ @@ -5408,6 +5464,39 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x1d, 0x40700001}, {0x21, 0x02211030}), SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, + {0x12, 0x40000000}, + {0x14, 0x90170130}, + {0x17, 0x411111f0}, + {0x18, 0x411111f0}, + {0x19, 0x411111f0}, + {0x1a, 0x411111f0}, + {0x1b, 0x01014020}, + {0x1d, 0x4054c029}, + {0x1e, 0x411111f0}, + {0x21, 0x0221103f}), + SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, + {0x12, 0x40000000}, + {0x14, 0x90170150}, + {0x17, 0x411111f0}, + {0x18, 0x411111f0}, + {0x19, 0x411111f0}, + {0x1a, 0x411111f0}, + {0x1b, 0x02011020}, + {0x1d, 0x4054c029}, + {0x1e, 0x411111f0}, + {0x21, 0x0221105f}), + SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, + {0x12, 0x40000000}, + {0x14, 0x90170110}, + {0x17, 0x411111f0}, + {0x18, 0x411111f0}, + {0x19, 0x411111f0}, + {0x1a, 0x411111f0}, + {0x1b, 0x01014020}, + {0x1d, 0x4054c029}, + {0x1e, 0x411111f0}, + {0x21, 0x0221101f}), + SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, {0x12, 0x90a60160}, {0x14, 0x90170120}, {0x17, 0x90170140}, @@ -5469,10 +5558,19 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x21, 0x02211030}), SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, ALC256_STANDARD_PINS, - {0x13, 0x40000000}), + {0x13, 0x40000000}, + {0x1d, 0x40700001}, + {0x1e, 0x411111f0}), + SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, + ALC256_STANDARD_PINS, + {0x13, 0x411111f0}, + {0x1d, 0x40700001}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE, ALC256_STANDARD_PINS, - {0x13, 0x411111f0}), + {0x13, 0x411111f0}, + {0x1d, 0x4077992d}, + {0x1e, 0x411111ff}), SND_HDA_PIN_QUIRK(0x10ec0280, 0x103c, "HP", ALC280_FIXUP_HP_GPIO4, {0x12, 0x90a60130}, {0x13, 0x40000000}, @@ -5635,35 +5733,48 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x13, 0x411111f0}, {0x16, 0x01014020}, {0x18, 0x411111f0}, - {0x19, 0x01a19030}), + {0x19, 0x01a19030}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0292, 0x1028, "Dell", ALC269_FIXUP_DELL2_MIC_NO_PRESENCE, ALC292_STANDARD_PINS, {0x12, 0x90a60140}, {0x13, 0x411111f0}, {0x16, 0x01014020}, {0x18, 0x02a19031}, - {0x19, 0x01a1903e}), + {0x19, 0x01a1903e}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0292, 0x1028, "Dell", ALC269_FIXUP_DELL3_MIC_NO_PRESENCE, ALC292_STANDARD_PINS, {0x12, 0x90a60140}, {0x13, 0x411111f0}, {0x16, 0x411111f0}, {0x18, 0x411111f0}, - {0x19, 0x411111f0}), + {0x19, 0x411111f0}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0293, 0x1028, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE, ALC292_STANDARD_PINS, {0x12, 0x40000000}, {0x13, 0x90a60140}, {0x16, 0x21014020}, {0x18, 0x411111f0}, - {0x19, 0x21a19030}), + {0x19, 0x21a19030}, + {0x1e, 0x411111f0}), SND_HDA_PIN_QUIRK(0x10ec0293, 0x1028, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE, ALC292_STANDARD_PINS, {0x12, 0x40000000}, {0x13, 0x90a60140}, {0x16, 0x411111f0}, {0x18, 0x411111f0}, - {0x19, 0x411111f0}), + {0x19, 0x411111f0}, + {0x1e, 0x411111f0}), + SND_HDA_PIN_QUIRK(0x10ec0293, 0x1028, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE, + ALC292_STANDARD_PINS, + {0x12, 0x40000000}, + {0x13, 0x90a60140}, + {0x16, 0x21014020}, + {0x18, 0x411111f0}, + {0x19, 0x21a19030}, + {0x1e, 0x411111ff}), SND_HDA_PIN_QUIRK(0x10ec0298, 0x1028, "Dell", ALC298_FIXUP_DELL1_MIC_NO_PRESENCE, ALC298_STANDARD_PINS, {0x12, 0x90a60130}, diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index dcc7fe91244c..9d947aef2c8b 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -2920,7 +2920,8 @@ static const struct snd_pci_quirk stac92hd83xxx_fixup_tbl[] = { SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x148a, "HP Mini", STAC_92HD83XXX_HP_LED), SND_PCI_QUIRK_VENDOR(PCI_VENDOR_ID_HP, "HP", STAC_92HD83XXX_HP), - SND_PCI_QUIRK(PCI_VENDOR_ID_TOSHIBA, 0xfa91, + /* match both for 0xfa91 and 0xfa93 */ + SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_TOSHIBA, 0xfffd, 0xfa91, "Toshiba Satellite S50D", STAC_92HD83XXX_GPIO10_EAPD), {} /* terminator */ }; diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c index 6492bca8c70f..4ca12665ff73 100644 --- a/sound/pci/oxygen/oxygen_mixer.c +++ b/sound/pci/oxygen/oxygen_mixer.c @@ -88,7 +88,7 @@ static int dac_mute_put(struct snd_kcontrol *ctl, int changed; mutex_lock(&chip->mutex); - changed = !value->value.integer.value[0] != chip->dac_mute; + changed = (!value->value.integer.value[0]) != chip->dac_mute; if (changed) { chip->dac_mute = !value->value.integer.value[0]; chip->model.update_dac_mute(chip); diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig index 2ae9619443d1..1d651b8a8957 100644 --- a/sound/soc/Kconfig +++ b/sound/soc/Kconfig @@ -30,6 +30,9 @@ config SND_SOC_GENERIC_DMAENGINE_PCM bool select SND_DMAENGINE_PCM +config SND_SOC_TOPOLOGY + bool + # All the supported SoCs source "sound/soc/adi/Kconfig" source "sound/soc/atmel/Kconfig" diff --git a/sound/soc/Makefile b/sound/soc/Makefile index e189903fabf4..669648b41d30 100644 --- a/sound/soc/Makefile +++ b/sound/soc/Makefile @@ -1,6 +1,9 @@ snd-soc-core-objs := soc-core.o soc-dapm.o soc-jack.o soc-cache.o soc-utils.o snd-soc-core-objs += soc-pcm.o soc-compress.o soc-io.o soc-devres.o soc-ops.o + +ifneq ($(CONFIG_SND_SOC_TOPOLOGY),) snd-soc-core-objs += soc-topology.o +endif ifneq ($(CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM),) snd-soc-core-objs += soc-generic-dmaengine-pcm.o diff --git a/sound/soc/codecs/cs4265.c b/sound/soc/codecs/cs4265.c index d7ec4756e45b..8e36198474d9 100644 --- a/sound/soc/codecs/cs4265.c +++ b/sound/soc/codecs/cs4265.c @@ -457,14 +457,14 @@ static int cs4265_pcm_hw_params(struct snd_pcm_substream *substream, case SND_SOC_DAIFMT_RIGHT_J: if (params_width(params) == 16) { snd_soc_update_bits(codec, CS4265_DAC_CTL, - CS4265_DAC_CTL_DIF, (1 << 5)); + CS4265_DAC_CTL_DIF, (2 << 4)); snd_soc_update_bits(codec, CS4265_SPDIF_CTL2, - CS4265_SPDIF_CTL2_DIF, (1 << 7)); + CS4265_SPDIF_CTL2_DIF, (2 << 6)); } else { snd_soc_update_bits(codec, CS4265_DAC_CTL, - CS4265_DAC_CTL_DIF, (3 << 5)); + CS4265_DAC_CTL_DIF, (3 << 4)); snd_soc_update_bits(codec, CS4265_SPDIF_CTL2, - CS4265_SPDIF_CTL2_DIF, (1 << 7)); + CS4265_SPDIF_CTL2_DIF, (3 << 6)); } break; case SND_SOC_DAIFMT_LEFT_J: @@ -473,7 +473,7 @@ static int cs4265_pcm_hw_params(struct snd_pcm_substream *substream, snd_soc_update_bits(codec, CS4265_ADC_CTL, CS4265_ADC_DIF, 0); snd_soc_update_bits(codec, CS4265_SPDIF_CTL2, - CS4265_SPDIF_CTL2_DIF, (1 << 6)); + CS4265_SPDIF_CTL2_DIF, 0); break; default: diff --git a/sound/soc/codecs/pcm1681.c b/sound/soc/codecs/pcm1681.c index 477e13d30971..e7ba557979cb 100644 --- a/sound/soc/codecs/pcm1681.c +++ b/sound/soc/codecs/pcm1681.c @@ -102,7 +102,7 @@ static int pcm1681_set_deemph(struct snd_soc_codec *codec) if (val != -1) { regmap_update_bits(priv->regmap, PCM1681_DEEMPH_CONTROL, - PCM1681_DEEMPH_RATE_MASK, val); + PCM1681_DEEMPH_RATE_MASK, val << 3); enable = 1; } else enable = 0; diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index 9ce311e088fc..961bd7e5877e 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -2943,6 +2943,9 @@ static int rt5645_irq_detection(struct rt5645_priv *rt5645) { int val, btn_type, gpio_state = 0, report = 0; + if (!rt5645->codec) + return -EINVAL; + switch (rt5645->pdata.jd_mode) { case 0: /* Not using rt5645 JD */ if (rt5645->gpiod_hp_det) { @@ -3338,6 +3341,8 @@ static int rt5645_i2c_probe(struct i2c_client *i2c, break; case RT5645_DMIC_DATA_GPIO5: + regmap_update_bits(rt5645->regmap, RT5645_GPIO_CTRL1, + RT5645_I2S2_DAC_PIN_MASK, RT5645_I2S2_DAC_PIN_GPIO); regmap_update_bits(rt5645->regmap, RT5645_DMIC_CTRL1, RT5645_DMIC_1_DP_MASK, RT5645_DMIC_1_DP_GPIO5); regmap_update_bits(rt5645->regmap, RT5645_GPIO_CTRL1, diff --git a/sound/soc/codecs/rt5645.h b/sound/soc/codecs/rt5645.h index 0353a6a273ab..278bb9f464c4 100644 --- a/sound/soc/codecs/rt5645.h +++ b/sound/soc/codecs/rt5645.h @@ -1693,6 +1693,10 @@ #define RT5645_GP6_PIN_SFT 6 #define RT5645_GP6_PIN_GPIO6 (0x0 << 6) #define RT5645_GP6_PIN_DMIC2_SDA (0x1 << 6) +#define RT5645_I2S2_DAC_PIN_MASK (0x1 << 4) +#define RT5645_I2S2_DAC_PIN_SFT 4 +#define RT5645_I2S2_DAC_PIN_I2S (0x0 << 4) +#define RT5645_I2S2_DAC_PIN_GPIO (0x1 << 4) #define RT5645_GP8_PIN_MASK (0x1 << 3) #define RT5645_GP8_PIN_SFT 3 #define RT5645_GP8_PIN_GPIO8 (0x0 << 3) diff --git a/sound/soc/codecs/sgtl5000.h b/sound/soc/codecs/sgtl5000.h index bd7a344bf8c5..1c317de26176 100644 --- a/sound/soc/codecs/sgtl5000.h +++ b/sound/soc/codecs/sgtl5000.h @@ -275,7 +275,7 @@ #define SGTL5000_BIAS_CTRL_MASK 0x000e #define SGTL5000_BIAS_CTRL_SHIFT 1 #define SGTL5000_BIAS_CTRL_WIDTH 3 -#define SGTL5000_SMALL_POP 0 +#define SGTL5000_SMALL_POP 1 /* * SGTL5000_CHIP_MIC_CTRL diff --git a/sound/soc/codecs/ssm4567.c b/sound/soc/codecs/ssm4567.c index 938d2cb6d78b..84a4f5ad8064 100644 --- a/sound/soc/codecs/ssm4567.c +++ b/sound/soc/codecs/ssm4567.c @@ -315,7 +315,13 @@ static int ssm4567_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) if (invert_fclk) ctrl1 |= SSM4567_SAI_CTRL_1_FSYNC; - return regmap_write(ssm4567->regmap, SSM4567_REG_SAI_CTRL_1, ctrl1); + return regmap_update_bits(ssm4567->regmap, SSM4567_REG_SAI_CTRL_1, + SSM4567_SAI_CTRL_1_BCLK | + SSM4567_SAI_CTRL_1_FSYNC | + SSM4567_SAI_CTRL_1_LJ | + SSM4567_SAI_CTRL_1_TDM | + SSM4567_SAI_CTRL_1_PDM, + ctrl1); } static int ssm4567_set_power(struct ssm4567 *ssm4567, bool enable) diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index c7647e066cfd..c0b940e2019f 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -633,7 +633,7 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, sub *= 100000; do_div(sub, freq); - if (sub < savesub) { + if (sub < savesub && !(i == 0 && psr == 0 && div2 == 0)) { baudrate = tmprate; savesub = sub; pm = i; diff --git a/sound/soc/intel/Makefile b/sound/soc/intel/Makefile index 3853ec2ddbc7..6de5d5cd3280 100644 --- a/sound/soc/intel/Makefile +++ b/sound/soc/intel/Makefile @@ -7,4 +7,4 @@ obj-$(CONFIG_SND_SOC_INTEL_BAYTRAIL) += baytrail/ obj-$(CONFIG_SND_SST_MFLD_PLATFORM) += atom/ # Machine support -obj-$(CONFIG_SND_SOC_INTEL_SST) += boards/ +obj-$(CONFIG_SND_SOC) += boards/ diff --git a/sound/soc/intel/atom/sst/sst_drv_interface.c b/sound/soc/intel/atom/sst/sst_drv_interface.c index 620da1d1b9e3..0e0e4d9c021f 100644 --- a/sound/soc/intel/atom/sst/sst_drv_interface.c +++ b/sound/soc/intel/atom/sst/sst_drv_interface.c @@ -42,6 +42,11 @@ #define MIN_FRAGMENT_SIZE (50 * 1024) #define MAX_FRAGMENT_SIZE (1024 * 1024) #define SST_GET_BYTES_PER_SAMPLE(pcm_wd_sz) (((pcm_wd_sz + 15) >> 4) << 1) +#ifdef CONFIG_PM +#define GET_USAGE_COUNT(dev) (atomic_read(&dev->power.usage_count)) +#else +#define GET_USAGE_COUNT(dev) 1 +#endif int free_stream_context(struct intel_sst_drv *ctx, unsigned int str_id) { @@ -141,15 +146,9 @@ static int sst_power_control(struct device *dev, bool state) int ret = 0; int usage_count = 0; -#ifdef CONFIG_PM - usage_count = atomic_read(&dev->power.usage_count); -#else - usage_count = 1; -#endif - if (state == true) { ret = pm_runtime_get_sync(dev); - + usage_count = GET_USAGE_COUNT(dev); dev_dbg(ctx->dev, "Enable: pm usage count: %d\n", usage_count); if (ret < 0) { dev_err(ctx->dev, "Runtime get failed with err: %d\n", ret); @@ -164,6 +163,7 @@ static int sst_power_control(struct device *dev, bool state) } } } else { + usage_count = GET_USAGE_COUNT(dev); dev_dbg(ctx->dev, "Disable: pm usage count: %d\n", usage_count); return sst_pm_runtime_put(ctx); } diff --git a/sound/soc/intel/baytrail/sst-baytrail-ipc.c b/sound/soc/intel/baytrail/sst-baytrail-ipc.c index 4c01bb43928d..5bbaa667bec1 100644 --- a/sound/soc/intel/baytrail/sst-baytrail-ipc.c +++ b/sound/soc/intel/baytrail/sst-baytrail-ipc.c @@ -701,6 +701,8 @@ int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata) if (byt == NULL) return -ENOMEM; + byt->dev = dev; + ipc = &byt->ipc; ipc->dev = dev; ipc->ops.tx_msg = byt_tx_msg; diff --git a/sound/soc/intel/boards/cht_bsw_max98090_ti.c b/sound/soc/intel/boards/cht_bsw_max98090_ti.c index d604ee80eda4..70f832114a5a 100644 --- a/sound/soc/intel/boards/cht_bsw_max98090_ti.c +++ b/sound/soc/intel/boards/cht_bsw_max98090_ti.c @@ -69,12 +69,12 @@ static const struct snd_soc_dapm_route cht_audio_map[] = { {"Headphone", NULL, "HPR"}, {"Ext Spk", NULL, "SPKL"}, {"Ext Spk", NULL, "SPKR"}, - {"AIF1 Playback", NULL, "ssp2 Tx"}, + {"HiFi Playback", NULL, "ssp2 Tx"}, {"ssp2 Tx", NULL, "codec_out0"}, {"ssp2 Tx", NULL, "codec_out1"}, {"codec_in0", NULL, "ssp2 Rx" }, {"codec_in1", NULL, "ssp2 Rx" }, - {"ssp2 Rx", NULL, "AIF1 Capture"}, + {"ssp2 Rx", NULL, "HiFi Capture"}, }; static const struct snd_kcontrol_new cht_mc_controls[] = { diff --git a/sound/soc/intel/haswell/sst-haswell-ipc.c b/sound/soc/intel/haswell/sst-haswell-ipc.c index f95f271aab0c..f6efa9d4acad 100644 --- a/sound/soc/intel/haswell/sst-haswell-ipc.c +++ b/sound/soc/intel/haswell/sst-haswell-ipc.c @@ -2119,6 +2119,8 @@ int sst_hsw_dsp_init(struct device *dev, struct sst_pdata *pdata) if (hsw == NULL) return -ENOMEM; + hsw->dev = dev; + ipc = &hsw->ipc; ipc->dev = dev; ipc->ops.tx_msg = hsw_tx_msg; diff --git a/sound/soc/mediatek/mt8173-max98090.c b/sound/soc/mediatek/mt8173-max98090.c index 4d44b5803e55..2d2536af141f 100644 --- a/sound/soc/mediatek/mt8173-max98090.c +++ b/sound/soc/mediatek/mt8173-max98090.c @@ -103,7 +103,6 @@ static struct snd_soc_dai_link mt8173_max98090_dais[] = { .name = "MAX98090 Playback", .stream_name = "MAX98090 Playback", .cpu_dai_name = "DL1", - .platform_name = "11220000.mt8173-afe-pcm", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, @@ -114,7 +113,6 @@ static struct snd_soc_dai_link mt8173_max98090_dais[] = { .name = "MAX98090 Capture", .stream_name = "MAX98090 Capture", .cpu_dai_name = "VUL", - .platform_name = "11220000.mt8173-afe-pcm", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, @@ -125,7 +123,6 @@ static struct snd_soc_dai_link mt8173_max98090_dais[] = { { .name = "Codec", .cpu_dai_name = "I2S", - .platform_name = "11220000.mt8173-afe-pcm", .no_pcm = 1, .codec_dai_name = "HiFi", .init = mt8173_max98090_init, @@ -152,9 +149,21 @@ static struct snd_soc_card mt8173_max98090_card = { static int mt8173_max98090_dev_probe(struct platform_device *pdev) { struct snd_soc_card *card = &mt8173_max98090_card; - struct device_node *codec_node; + struct device_node *codec_node, *platform_node; int ret, i; + platform_node = of_parse_phandle(pdev->dev.of_node, + "mediatek,platform", 0); + if (!platform_node) { + dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); + return -EINVAL; + } + for (i = 0; i < card->num_links; i++) { + if (mt8173_max98090_dais[i].platform_name) + continue; + mt8173_max98090_dais[i].platform_of_node = platform_node; + } + codec_node = of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); if (!codec_node) { diff --git a/sound/soc/mediatek/mt8173-rt5650-rt5676.c b/sound/soc/mediatek/mt8173-rt5650-rt5676.c index 094055323059..6f52eca05e26 100644 --- a/sound/soc/mediatek/mt8173-rt5650-rt5676.c +++ b/sound/soc/mediatek/mt8173-rt5650-rt5676.c @@ -138,7 +138,6 @@ static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { .name = "rt5650_rt5676 Playback", .stream_name = "rt5650_rt5676 Playback", .cpu_dai_name = "DL1", - .platform_name = "11220000.mt8173-afe-pcm", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, @@ -149,7 +148,6 @@ static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { .name = "rt5650_rt5676 Capture", .stream_name = "rt5650_rt5676 Capture", .cpu_dai_name = "VUL", - .platform_name = "11220000.mt8173-afe-pcm", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, @@ -161,7 +159,6 @@ static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { { .name = "Codec", .cpu_dai_name = "I2S", - .platform_name = "11220000.mt8173-afe-pcm", .no_pcm = 1, .codecs = mt8173_rt5650_rt5676_codecs, .num_codecs = 2, @@ -209,7 +206,21 @@ static struct snd_soc_card mt8173_rt5650_rt5676_card = { static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev) { struct snd_soc_card *card = &mt8173_rt5650_rt5676_card; - int ret; + struct device_node *platform_node; + int i, ret; + + platform_node = of_parse_phandle(pdev->dev.of_node, + "mediatek,platform", 0); + if (!platform_node) { + dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); + return -EINVAL; + } + + for (i = 0; i < card->num_links; i++) { + if (mt8173_rt5650_rt5676_dais[i].platform_name) + continue; + mt8173_rt5650_rt5676_dais[i].platform_of_node = platform_node; + } mt8173_rt5650_rt5676_codecs[0].of_node = of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); diff --git a/sound/soc/mediatek/mtk-afe-pcm.c b/sound/soc/mediatek/mtk-afe-pcm.c index cc228db5fb76..9863da73dfe0 100644 --- a/sound/soc/mediatek/mtk-afe-pcm.c +++ b/sound/soc/mediatek/mtk-afe-pcm.c @@ -1199,6 +1199,8 @@ err_pm_disable: static int mtk_afe_pcm_dev_remove(struct platform_device *pdev) { pm_runtime_disable(&pdev->dev); + if (!pm_runtime_status_suspended(&pdev->dev)) + mtk_afe_runtime_suspend(&pdev->dev); snd_soc_unregister_component(&pdev->dev); snd_soc_unregister_platform(&pdev->dev); return 0; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 3a4a5c0e3f97..0e1e69c7abd5 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1716,6 +1716,7 @@ card_probe_error: if (card->remove) card->remove(card); + snd_soc_dapm_free(&card->dapm); soc_cleanup_card_debugfs(card); snd_card_free(card->snd_card); diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index aa327c92480c..e0de8072c514 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -358,9 +358,10 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, data->widget = snd_soc_dapm_new_control_unlocked(widget->dapm, &template); + kfree(name); if (!data->widget) { ret = -ENOMEM; - goto err_name; + goto err_data; } } break; @@ -389,11 +390,12 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, data->value = template.on_val; - data->widget = snd_soc_dapm_new_control(widget->dapm, - &template); + data->widget = snd_soc_dapm_new_control_unlocked( + widget->dapm, &template); + kfree(name); if (!data->widget) { ret = -ENOMEM; - goto err_name; + goto err_data; } snd_soc_dapm_add_path(widget->dapm, data->widget, @@ -408,8 +410,6 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget, return 0; -err_name: - kfree(name); err_data: kfree(data); return ret; @@ -418,8 +418,6 @@ err_data: static void dapm_kcontrol_free(struct snd_kcontrol *kctl) { struct dapm_kcontrol_data *data = snd_kcontrol_chip(kctl); - if (data->widget) - kfree(data->widget->name); kfree(data->wlist); kfree(data); } @@ -1952,6 +1950,7 @@ static ssize_t dapm_widget_power_read_file(struct file *file, size_t count, loff_t *ppos) { struct snd_soc_dapm_widget *w = file->private_data; + struct snd_soc_card *card = w->dapm->card; char *buf; int in, out; ssize_t ret; @@ -1961,6 +1960,8 @@ static ssize_t dapm_widget_power_read_file(struct file *file, if (!buf) return -ENOMEM; + mutex_lock(&card->dapm_mutex); + /* Supply widgets are not handled by is_connected_{input,output}_ep() */ if (w->is_supply) { in = 0; @@ -2007,6 +2008,8 @@ static ssize_t dapm_widget_power_read_file(struct file *file, p->sink->name); } + mutex_unlock(&card->dapm_mutex); + ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); kfree(buf); @@ -2281,11 +2284,15 @@ static ssize_t dapm_widget_show(struct device *dev, struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); int i, count = 0; + mutex_lock(&rtd->card->dapm_mutex); + for (i = 0; i < rtd->num_codecs; i++) { struct snd_soc_codec *codec = rtd->codec_dais[i]->codec; count += dapm_widget_show_codec(codec, buf + count); } + mutex_unlock(&rtd->card->dapm_mutex); + return count; } @@ -3334,16 +3341,10 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, } prefix = soc_dapm_prefix(dapm); - if (prefix) { + if (prefix) w->name = kasprintf(GFP_KERNEL, "%s %s", prefix, widget->name); - if (widget->sname) - w->sname = kasprintf(GFP_KERNEL, "%s %s", prefix, - widget->sname); - } else { + else w->name = kasprintf(GFP_KERNEL, "%s", widget->name); - if (widget->sname) - w->sname = kasprintf(GFP_KERNEL, "%s", widget->sname); - } if (w->name == NULL) { kfree(w); return NULL; @@ -3792,7 +3793,7 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card) break; } - if (!w->sname || !strstr(w->sname, dai_w->name)) + if (!w->sname || !strstr(w->sname, dai_w->sname)) continue; if (dai_w->id == snd_soc_dapm_dai_in) { diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index d0960683c409..31068b8f3db0 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -33,6 +33,7 @@ #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/soc-topology.h> +#include <sound/tlv.h> /* * We make several passes over the data (since it wont necessarily be ordered) @@ -144,7 +145,7 @@ static const struct snd_soc_tplg_kcontrol_ops io_ops[] = { {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe, snd_soc_put_strobe, NULL}, {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw, - snd_soc_dapm_put_volsw, NULL}, + snd_soc_dapm_put_volsw, snd_soc_info_volsw}, {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double, snd_soc_dapm_put_enum_double, snd_soc_info_enum_double}, {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double, @@ -534,7 +535,7 @@ static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr, k->put = bops[i].put; if (k->get == NULL && bops[i].id == hdr->ops.get) k->get = bops[i].get; - if (k->info == NULL && ops[i].id == hdr->ops.info) + if (k->info == NULL && bops[i].id == hdr->ops.info) k->info = bops[i].info; } @@ -579,29 +580,51 @@ static int soc_tplg_init_kcontrol(struct soc_tplg *tplg, return 0; } + +static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg, + struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale) +{ + unsigned int item_len = 2 * sizeof(unsigned int); + unsigned int *p; + + p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL); + if (!p) + return -ENOMEM; + + p[0] = SNDRV_CTL_TLVT_DB_SCALE; + p[1] = item_len; + p[2] = scale->min; + p[3] = (scale->step & TLV_DB_SCALE_MASK) + | (scale->mute ? TLV_DB_SCALE_MUTE : 0); + + kc->tlv.p = (void *)p; + return 0; +} + static int soc_tplg_create_tlv(struct soc_tplg *tplg, - struct snd_kcontrol_new *kc, u32 tlv_size) + struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc) { struct snd_soc_tplg_ctl_tlv *tplg_tlv; - struct snd_ctl_tlv *tlv; - if (tlv_size == 0) + if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE)) return 0; - tplg_tlv = (struct snd_soc_tplg_ctl_tlv *) tplg->pos; - tplg->pos += tlv_size; - - tlv = kzalloc(sizeof(*tlv) + tlv_size, GFP_KERNEL); - if (tlv == NULL) - return -ENOMEM; - - dev_dbg(tplg->dev, " created TLV type %d size %d bytes\n", - tplg_tlv->numid, tplg_tlv->size); + if (tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { + kc->tlv.c = snd_soc_bytes_tlv_callback; + } else { + tplg_tlv = &tc->tlv; + switch (tplg_tlv->type) { + case SNDRV_CTL_TLVT_DB_SCALE: + return soc_tplg_create_tlv_db_scale(tplg, kc, + &tplg_tlv->scale); - tlv->numid = tplg_tlv->numid; - tlv->length = tplg_tlv->size; - memcpy(tlv->tlv, tplg_tlv + 1, tplg_tlv->size); - kc->tlv.p = (void *)tlv; + /* TODO: add support for other TLV types */ + default: + dev_dbg(tplg->dev, "Unsupported TLV type %d\n", + tplg_tlv->type); + return -EINVAL; + } + } return 0; } @@ -773,7 +796,7 @@ static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count, } /* create any TLV data */ - soc_tplg_create_tlv(tplg, &kc, mc->hdr.tlv_size); + soc_tplg_create_tlv(tplg, &kc, &mc->hdr); /* register control here */ err = soc_tplg_add_kcontrol(tplg, &kc, @@ -1351,6 +1374,7 @@ static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg, template.reg = w->reg; template.shift = w->shift; template.mask = w->mask; + template.subseq = w->subseq; template.on_val = w->invert ? 0 : 1; template.off_val = w->invert ? 1 : 0; template.ignore_suspend = w->ignore_suspend; diff --git a/sound/soc/zte/zx296702-i2s.c b/sound/soc/zte/zx296702-i2s.c index 98d96e1b17e0..1930c42e1f55 100644 --- a/sound/soc/zte/zx296702-i2s.c +++ b/sound/soc/zte/zx296702-i2s.c @@ -393,9 +393,9 @@ static int zx_i2s_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); zx_i2s->mapbase = res->start; zx_i2s->reg_base = devm_ioremap_resource(&pdev->dev, res); - if (!zx_i2s->reg_base) { + if (IS_ERR(zx_i2s->reg_base)) { dev_err(&pdev->dev, "ioremap failed!\n"); - return -EIO; + return PTR_ERR(zx_i2s->reg_base); } writel_relaxed(0, zx_i2s->reg_base + ZX_I2S_FIFO_CTRL); diff --git a/sound/soc/zte/zx296702-spdif.c b/sound/soc/zte/zx296702-spdif.c index 11a0e46a1156..26265ce4caca 100644 --- a/sound/soc/zte/zx296702-spdif.c +++ b/sound/soc/zte/zx296702-spdif.c @@ -322,9 +322,9 @@ static int zx_spdif_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); zx_spdif->mapbase = res->start; zx_spdif->reg_base = devm_ioremap_resource(&pdev->dev, res); - if (!zx_spdif->reg_base) { + if (IS_ERR(zx_spdif->reg_base)) { dev_err(&pdev->dev, "ioremap failed!\n"); - return -EIO; + return PTR_ERR(zx_spdif->reg_base); } zx_spdif_dev_init(zx_spdif->reg_base); diff --git a/sound/sparc/amd7930.c b/sound/sparc/amd7930.c index 1b1a89e80d13..784ceb85b2d9 100644 --- a/sound/sparc/amd7930.c +++ b/sound/sparc/amd7930.c @@ -956,6 +956,7 @@ static int snd_amd7930_create(struct snd_card *card, if (!amd->regs) { snd_printk(KERN_ERR "amd7930-%d: Unable to map chip registers.\n", dev); + kfree(amd); return -EIO; } diff --git a/sound/usb/card.c b/sound/usb/card.c index 1fab9778807a..0450593980fd 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -638,7 +638,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip) int err = -ENODEV; down_read(&chip->shutdown_rwsem); - if (chip->probing && chip->in_pm) + if (chip->probing || chip->in_pm) err = 0; else if (!chip->shutdown) err = usb_autopm_get_interface(chip->pm_intf); diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c index 8461d6bf992f..204cc074adb9 100644 --- a/sound/usb/line6/pcm.c +++ b/sound/usb/line6/pcm.c @@ -186,12 +186,8 @@ static int line6_stream_start(struct snd_line6_pcm *line6pcm, int direction, int ret = 0; spin_lock_irqsave(&pstr->lock, flags); - if (!test_and_set_bit(type, &pstr->running)) { - if (pstr->active_urbs || pstr->unlink_urbs) { - ret = -EBUSY; - goto error; - } - + if (!test_and_set_bit(type, &pstr->running) && + !(pstr->active_urbs || pstr->unlink_urbs)) { pstr->count = 0; /* Submit all currently available URBs */ if (direction == SNDRV_PCM_STREAM_PLAYBACK) @@ -199,7 +195,6 @@ static int line6_stream_start(struct snd_line6_pcm *line6pcm, int direction, else ret = line6_submit_audio_in_all_urbs(line6pcm); } - error: if (ret < 0) clear_bit(type, &pstr->running); spin_unlock_irqrestore(&pstr->lock, flags); diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index e5000da9e9d7..6a803eff87f7 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -341,6 +341,20 @@ static const struct usbmix_name_map scms_usb3318_map[] = { { 0 } }; +/* Bose companion 5, the dB conversion factor is 16 instead of 256 */ +static struct usbmix_dB_map bose_companion5_dB = {-5006, -6}; +static struct usbmix_name_map bose_companion5_map[] = { + { 3, NULL, .dB = &bose_companion5_dB }, + { 0 } /* terminator */ +}; + +/* Dragonfly DAC 1.2, the dB conversion factor is 1 instead of 256 */ +static struct usbmix_dB_map dragonfly_1_2_dB = {0, 5000}; +static struct usbmix_name_map dragonfly_1_2_map[] = { + { 7, NULL, .dB = &dragonfly_1_2_dB }, + { 0 } /* terminator */ +}; + /* * Control map entries */ @@ -451,6 +465,16 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = { .id = USB_ID(0x25c4, 0x0003), .map = scms_usb3318_map, }, + { + /* Bose Companion 5 */ + .id = USB_ID(0x05a7, 0x1020), + .map = bose_companion5_map, + }, + { + /* Dragonfly DAC 1.2 */ + .id = USB_ID(0x21b4, 0x0081), + .map = dragonfly_1_2_map, + }, { 0 } /* terminator */ }; diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 2f6d3e9a1bcd..e4756651a52c 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -2512,6 +2512,74 @@ YAMAHA_DEVICE(0x7010, "UB99"), } }, +/* Steinberg devices */ +{ + /* Steinberg MI2 */ + USB_DEVICE_VENDOR_SPEC(0x0a4e, 0x2040), + .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = & (const struct snd_usb_audio_quirk[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 1, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 2, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 3, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = &(const struct snd_usb_midi_endpoint_info) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + }, + { + .ifnum = -1 + } + } + } +}, +{ + /* Steinberg MI4 */ + USB_DEVICE_VENDOR_SPEC(0x0a4e, 0x4040), + .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = & (const struct snd_usb_audio_quirk[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 1, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 2, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 3, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = &(const struct snd_usb_midi_endpoint_info) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + }, + { + .ifnum = -1 + } + } + } +}, + /* TerraTec devices */ { USB_DEVICE_VENDOR_SPEC(0x0ccd, 0x0012), diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 754e689596a2..00ebc0ca008e 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1268,6 +1268,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, return SNDRV_PCM_FMTBIT_DSD_U32_BE; break; + case USB_ID(0x20b1, 0x000a): /* Gustard DAC-X20U */ case USB_ID(0x20b1, 0x2009): /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */ case USB_ID(0x20b1, 0x2023): /* JLsounds I2SoverUSB */ if (fp->altsetting == 3) diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile index 8bd960658463..fe1b02c2c95b 100644 --- a/tools/lib/api/Makefile +++ b/tools/lib/api/Makefile @@ -36,7 +36,7 @@ $(LIBFILE): $(API_IN) clean: $(call QUIET_CLEAN, libapi) $(RM) $(LIBFILE); \ - find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o | xargs $(RM) + find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM) FORCE: diff --git a/tools/lib/hweight.c b/tools/lib/hweight.c new file mode 100644 index 000000000000..0b859b884339 --- /dev/null +++ b/tools/lib/hweight.c @@ -0,0 +1,62 @@ +#include <linux/bitops.h> +#include <asm/types.h> + +/** + * hweightN - returns the hamming weight of a N-bit word + * @x: the word to weigh + * + * The Hamming Weight of a number is the total number of bits set in it. + */ + +unsigned int __sw_hweight32(unsigned int w) +{ +#ifdef CONFIG_ARCH_HAS_FAST_MULTIPLIER + w -= (w >> 1) & 0x55555555; + w = (w & 0x33333333) + ((w >> 2) & 0x33333333); + w = (w + (w >> 4)) & 0x0f0f0f0f; + return (w * 0x01010101) >> 24; +#else + unsigned int res = w - ((w >> 1) & 0x55555555); + res = (res & 0x33333333) + ((res >> 2) & 0x33333333); + res = (res + (res >> 4)) & 0x0F0F0F0F; + res = res + (res >> 8); + return (res + (res >> 16)) & 0x000000FF; +#endif +} + +unsigned int __sw_hweight16(unsigned int w) +{ + unsigned int res = w - ((w >> 1) & 0x5555); + res = (res & 0x3333) + ((res >> 2) & 0x3333); + res = (res + (res >> 4)) & 0x0F0F; + return (res + (res >> 8)) & 0x00FF; +} + +unsigned int __sw_hweight8(unsigned int w) +{ + unsigned int res = w - ((w >> 1) & 0x55); + res = (res & 0x33) + ((res >> 2) & 0x33); + return (res + (res >> 4)) & 0x0F; +} + +unsigned long __sw_hweight64(__u64 w) +{ +#if BITS_PER_LONG == 32 + return __sw_hweight32((unsigned int)(w >> 32)) + + __sw_hweight32((unsigned int)w); +#elif BITS_PER_LONG == 64 +#ifdef CONFIG_ARCH_HAS_FAST_MULTIPLIER + w -= (w >> 1) & 0x5555555555555555ul; + w = (w & 0x3333333333333333ul) + ((w >> 2) & 0x3333333333333333ul); + w = (w + (w >> 4)) & 0x0f0f0f0f0f0f0f0ful; + return (w * 0x0101010101010101ul) >> 56; +#else + __u64 res = w - ((w >> 1) & 0x5555555555555555ul); + res = (res & 0x3333333333333333ul) + ((res >> 2) & 0x3333333333333333ul); + res = (res + (res >> 4)) & 0x0F0F0F0F0F0F0F0Ful; + res = res + (res >> 8); + res = res + (res >> 16); + return (res + (res >> 32)) & 0x00000000000000FFul; +#endif +#endif +} diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile index 6daaff652aff..7851df1490e0 100644 --- a/tools/lib/traceevent/Makefile +++ b/tools/lib/traceevent/Makefile @@ -268,7 +268,7 @@ install: install_lib clean: $(call QUIET_CLEAN, libtraceevent) \ - $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d \ + $(RM) *.o *~ $(TARGETS) *.a *.so $(VERSION_FILES) .*.d .*.cmd \ $(RM) TRACEEVENT-CFLAGS tags TAGS PHONY += force plugins diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 09dc0aabb515..d01a0aad5a01 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -18,6 +18,7 @@ tools/arch/x86/include/asm/atomic.h tools/arch/x86/include/asm/rmwcc.h tools/lib/traceevent tools/lib/api +tools/lib/hweight.c tools/lib/rbtree.c tools/lib/symbol/kallsyms.c tools/lib/symbol/kallsyms.h @@ -57,7 +58,6 @@ include/linux/perf_event.h include/linux/list.h include/linux/hash.h include/linux/stringify.h -lib/hweight.c include/linux/swab.h arch/*/include/asm/unistd*.h arch/*/include/uapi/asm/unistd*.h diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 7a4b549214e3..bba34636b733 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -109,9 +109,22 @@ $(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD $(Q)$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT) $(Q)touch $(OUTPUT)PERF-VERSION-FILE -CC = $(CROSS_COMPILE)gcc -LD ?= $(CROSS_COMPILE)ld -AR = $(CROSS_COMPILE)ar +# Makefiles suck: This macro sets a default value of $(2) for the +# variable named by $(1), unless the variable has been set by +# environment or command line. This is necessary for CC and AR +# because make sets default values, so the simpler ?= approach +# won't work as expected. +define allow-override + $(if $(or $(findstring environment,$(origin $(1))),\ + $(findstring command line,$(origin $(1)))),,\ + $(eval $(1) = $(2))) +endef + +# Allow setting CC and AR and LD, or setting CROSS_COMPILE as a prefix. +$(call allow-override,CC,$(CROSS_COMPILE)gcc) +$(call allow-override,AR,$(CROSS_COMPILE)ar) +$(call allow-override,LD,$(CROSS_COMPILE)ld) + PKG_CONFIG = $(CROSS_COMPILE)pkg-config RM = rm -f diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index de165a1b9240..20b56eb987f8 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -521,6 +521,15 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) goto out_child; } + /* + * Normally perf_session__new would do this, but it doesn't have the + * evlist. + */ + if (rec->tool.ordered_events && !perf_evlist__sample_id_all(rec->evlist)) { + pr_warning("WARNING: No sample_id_all support, falling back to unordered processing\n"); + rec->tool.ordered_events = false; + } + if (!rec->evlist->nr_groups) perf_header__clear_feat(&session->header, HEADER_GROUP_DESC); @@ -965,9 +974,11 @@ static struct record record = { .tool = { .sample = process_sample_event, .fork = perf_event__process_fork, + .exit = perf_event__process_exit, .comm = perf_event__process_comm, .mmap = perf_event__process_mmap, .mmap2 = perf_event__process_mmap2, + .ordered_events = true, }, }; diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 37e301a32f43..d99d850e1444 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -343,7 +343,7 @@ static int read_counter(struct perf_evsel *counter) return 0; } -static void read_counters(bool close) +static void read_counters(bool close_counters) { struct perf_evsel *counter; @@ -354,7 +354,7 @@ static void read_counters(bool close) if (process_counter(counter)) pr_warning("failed to process counter %s\n", counter->name); - if (close) { + if (close_counters) { perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), thread_map__nr(evsel_list->threads)); } diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index ecf319728f25..6135cc07213c 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -601,8 +601,8 @@ static void display_sig(int sig __maybe_unused) static void display_setup_sig(void) { - signal(SIGSEGV, display_sig); - signal(SIGFPE, display_sig); + signal(SIGSEGV, sighandler_dump_stack); + signal(SIGFPE, sighandler_dump_stack); signal(SIGINT, display_sig); signal(SIGQUIT, display_sig); signal(SIGTERM, display_sig); diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 094ddaee104c..d31fac19c30b 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -638,7 +638,7 @@ ifndef DESTDIR prefix ?= $(HOME) endif bindir_relative = bin -bindir = $(prefix)/$(bindir_relative) +bindir = $(abspath $(prefix)/$(bindir_relative)) mandir = share/man infodir = share/info perfexecdir = libexec/perf-core diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 7629bef2fd79..fa67613976a8 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -48,7 +48,7 @@ static struct rb_node *hists__filter_entries(struct rb_node *nd, static bool hist_browser__has_filter(struct hist_browser *hb) { - return hists__has_filter(hb->hists) || hb->min_pcnt; + return hists__has_filter(hb->hists) || hb->min_pcnt || symbol_conf.has_filter; } static int hist_browser__get_folding(struct hist_browser *browser) diff --git a/tools/perf/util/Build b/tools/perf/util/Build index 601d11440596..d2d318c59b37 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -143,6 +143,6 @@ $(OUTPUT)util/rbtree.o: ../lib/rbtree.c FORCE $(call rule_mkdir) $(call if_changed_dep,cc_o_c) -$(OUTPUT)util/hweight.o: ../../lib/hweight.c FORCE +$(OUTPUT)util/hweight.o: ../lib/hweight.c FORCE $(call rule_mkdir) $(call if_changed_dep,cc_o_c) diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c index 7e7405c9b936..83d9dd96fe08 100644 --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -53,11 +53,6 @@ int auxtrace_mmap__mmap(struct auxtrace_mmap *mm, { struct perf_event_mmap_page *pc = userpg; -#if BITS_PER_LONG != 64 && !defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT) - pr_err("Cannot use AUX area tracing mmaps\n"); - return -1; -#endif - WARN_ONCE(mm->base, "Uninitialized auxtrace_mmap\n"); mm->userpg = userpg; @@ -73,6 +68,11 @@ int auxtrace_mmap__mmap(struct auxtrace_mmap *mm, return 0; } +#if BITS_PER_LONG != 64 && !defined(HAVE_SYNC_COMPARE_AND_SWAP_SUPPORT) + pr_err("Cannot use AUX area tracing mmaps\n"); + return -1; +#endif + pc->aux_offset = mp->offset; pc->aux_size = mp->len; diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 7ff682770fdb..f1a4c833121e 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -1387,6 +1387,24 @@ int machine__process_fork_event(struct machine *machine, union perf_event *event event->fork.ptid); int err = 0; + if (dump_trace) + perf_event__fprintf_task(event, stdout); + + /* + * There may be an existing thread that is not actually the parent, + * either because we are processing events out of order, or because the + * (fork) event that would have removed the thread was lost. Assume the + * latter case and continue on as best we can. + */ + if (parent->pid_ != (pid_t)event->fork.ppid) { + dump_printf("removing erroneous parent thread %d/%d\n", + parent->pid_, parent->tid); + machine__remove_thread(machine, parent); + thread__put(parent); + parent = machine__findnew_thread(machine, event->fork.ppid, + event->fork.ptid); + } + /* if a thread currently exists for the thread id remove it */ if (thread != NULL) { machine__remove_thread(machine, thread); @@ -1395,8 +1413,6 @@ int machine__process_fork_event(struct machine *machine, union perf_event *event thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid); - if (dump_trace) - perf_event__fprintf_task(event, stdout); if (thread == NULL || parent == NULL || thread__fork(thread, parent, sample->time) < 0) { diff --git a/tools/perf/util/python-ext-sources b/tools/perf/util/python-ext-sources index e23ded40c79e..0766d98c5da5 100644 --- a/tools/perf/util/python-ext-sources +++ b/tools/perf/util/python-ext-sources @@ -10,7 +10,7 @@ util/ctype.c util/evlist.c util/evsel.c util/cpumap.c -../../lib/hweight.c +../lib/hweight.c util/thread_map.c util/util.c util/xyarray.c @@ -19,5 +19,5 @@ util/rblist.c util/stat.c util/strlist.c util/trace-event.c -../../lib/rbtree.c +../lib/rbtree.c util/string.c diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index 53e8bb7bc852..2a5d8d7698ae 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -85,7 +85,7 @@ void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count, else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES)) update_stats(&runtime_cycles_stats[ctx][cpu], count[0]); else if (perf_stat_evsel__is(counter, CYCLES_IN_TX)) - update_stats(&runtime_transaction_stats[ctx][cpu], count[0]); + update_stats(&runtime_cycles_in_tx_stats[ctx][cpu], count[0]); else if (perf_stat_evsel__is(counter, TRANSACTION_START)) update_stats(&runtime_transaction_stats[ctx][cpu], count[0]); else if (perf_stat_evsel__is(counter, ELISION_START)) @@ -398,20 +398,18 @@ void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel, " # %5.2f%% aborted cycles ", 100.0 * ((total2-avg) / total)); } else if (perf_stat_evsel__is(evsel, TRANSACTION_START) && - avg > 0 && runtime_cycles_in_tx_stats[ctx][cpu].n != 0) { total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]); - if (total) + if (avg) ratio = total / avg; fprintf(out, " # %8.0f cycles / transaction ", ratio); } else if (perf_stat_evsel__is(evsel, ELISION_START) && - avg > 0 && runtime_cycles_in_tx_stats[ctx][cpu].n != 0) { total = avg_stats(&runtime_cycles_in_tx_stats[ctx][cpu]); - if (total) + if (avg) ratio = total / avg; fprintf(out, " # %8.0f cycles / elision ", ratio); diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 48b588c6951a..60f11414bb5c 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1911,6 +1911,8 @@ int setup_list(struct strlist **list, const char *list_str, pr_err("problems parsing %s list\n", list_name); return -1; } + + symbol_conf.has_filter = true; return 0; } diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index bef47ead1d9b..b98ce51af142 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -105,7 +105,8 @@ struct symbol_conf { demangle_kernel, filter_relative, show_hist_headers, - branch_callstack; + branch_callstack, + has_filter; const char *vmlinux_name, *kallsyms_name, *source_prefix, diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 28c4b746baa1..0a9ae8014729 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -191,6 +191,12 @@ static int thread__clone_map_groups(struct thread *thread, if (thread->pid_ == parent->pid_) return 0; + if (thread->mg == parent->mg) { + pr_debug("broken map groups on thread %d/%d parent %d/%d\n", + thread->pid_, thread->tid, parent->pid_, parent->tid); + return 0; + } + /* But this one is new process, copy maps. */ for (i = 0; i < MAP__NR_TYPES; ++i) if (map_groups__clone(thread->mg, parent->mg, i) < 0) diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c index da7646d767fe..292ae2c90e06 100644 --- a/tools/perf/util/thread_map.c +++ b/tools/perf/util/thread_map.c @@ -136,8 +136,7 @@ struct thread_map *thread_map__new_by_uid(uid_t uid) if (grow) { struct thread_map *tmp; - tmp = realloc(threads, (sizeof(*threads) + - max_threads * sizeof(pid_t))); + tmp = thread_map__realloc(threads, max_threads); if (tmp == NULL) goto out_free_namelist; diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c index 4b89118f158d..44d440da15dc 100644 --- a/tools/perf/util/vdso.c +++ b/tools/perf/util/vdso.c @@ -236,18 +236,16 @@ static struct dso *__machine__findnew_compat(struct machine *machine, const char *file_name; struct dso *dso; - pthread_rwlock_wrlock(&machine->dsos.lock); dso = __dsos__find(&machine->dsos, vdso_file->dso_name, true); if (dso) - goto out_unlock; + goto out; file_name = vdso__get_compat_file(vdso_file); if (!file_name) - goto out_unlock; + goto out; dso = __machine__addnew_vdso(machine, vdso_file->dso_name, file_name); -out_unlock: - pthread_rwlock_unlock(&machine->dsos.lock); +out: return dso; } diff --git a/tools/power/acpi/Makefile b/tools/power/acpi/Makefile index 3d1537b93c64..e882c8320135 100644 --- a/tools/power/acpi/Makefile +++ b/tools/power/acpi/Makefile @@ -8,154 +8,20 @@ # as published by the Free Software Foundation; version 2 # of the License. -OUTPUT=./ -ifeq ("$(origin O)", "command line") - OUTPUT := $(O)/ -endif - -ifneq ($(OUTPUT),) -# check that the output directory actually exists -OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd) -$(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist)) -endif - -SUBDIRS = tools/ec - -# --- CONFIGURATION BEGIN --- - -# Set the following to `true' to make a unstripped, unoptimized -# binary. Leave this set to `false' for production use. -DEBUG ?= true - -# make the build silent. Set this to something else to make it noisy again. -V ?= false - -# Prefix to the directories we're installing to -DESTDIR ?= - -# --- CONFIGURATION END --- - -# Directory definitions. These are default and most probably -# do not need to be changed. Please note that DESTDIR is -# added in front of any of them - -bindir ?= /usr/bin -sbindir ?= /usr/sbin -mandir ?= /usr/man - -# Toolchain: what tools do we use, and what options do they need: - -INSTALL = /usr/bin/install -c -INSTALL_PROGRAM = ${INSTALL} -INSTALL_DATA = ${INSTALL} -m 644 -INSTALL_SCRIPT = ${INSTALL_PROGRAM} - -# If you are running a cross compiler, you may want to set this -# to something more interesting, like "arm-linux-". If you want -# to compile vs uClibc, that can be done here as well. -CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc- -CC = $(CROSS)gcc -LD = $(CROSS)gcc -STRIP = $(CROSS)strip -HOSTCC = gcc - -# check if compiler option is supported -cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;} - -# use '-Os' optimization if available, else use -O2 -OPTIMIZATION := $(call cc-supports,-Os,-O2) - -WARNINGS := -Wall -WARNINGS += $(call cc-supports,-Wstrict-prototypes) -WARNINGS += $(call cc-supports,-Wdeclaration-after-statement) - -KERNEL_INCLUDE := ../../../include -ACPICA_INCLUDE := ../../../drivers/acpi/acpica -CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE) -CFLAGS += $(WARNINGS) - -ifeq ($(strip $(V)),false) - QUIET=@ - ECHO=@echo -else - QUIET= - ECHO=@\# -endif -export QUIET ECHO - -# if DEBUG is enabled, then we do not strip or optimize -ifeq ($(strip $(DEBUG)),true) - CFLAGS += -O1 -g -DDEBUG - STRIPCMD = /bin/true -Since_we_are_debugging -else - CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer - STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment -endif - -# --- ACPIDUMP BEGIN --- - -vpath %.c \ - ../../../drivers/acpi/acpica\ - tools/acpidump\ - common\ - os_specific/service_layers - -CFLAGS += -DACPI_DUMP_APP -Itools/acpidump - -DUMP_OBJS = \ - apdump.o\ - apfiles.o\ - apmain.o\ - osunixdir.o\ - osunixmap.o\ - osunixxf.o\ - tbprint.o\ - tbxfroot.o\ - utbuffer.o\ - utdebug.o\ - utexcep.o\ - utglobal.o\ - utmath.o\ - utprint.o\ - utstring.o\ - utxferror.o\ - oslibcfs.o\ - oslinuxtbl.o\ - cmfsize.o\ - getopt.o - -DUMP_OBJS := $(addprefix $(OUTPUT)tools/acpidump/,$(DUMP_OBJS)) - -$(OUTPUT)acpidump: $(DUMP_OBJS) - $(ECHO) " LD " $@ - $(QUIET) $(LD) $(CFLAGS) $(LDFLAGS) $(DUMP_OBJS) -L$(OUTPUT) -o $@ - $(QUIET) $(STRIPCMD) $@ - -$(OUTPUT)tools/acpidump/%.o: %.c - $(ECHO) " CC " $@ - $(QUIET) $(CC) -c $(CFLAGS) -o $@ $< - -# --- ACPIDUMP END --- - -all: $(OUTPUT)acpidump - echo $(OUTPUT) - -clean: - -find $(OUTPUT) \( -not -type d \) -and \( -name '*~' -o -name '*.[oas]' \) -type f -print \ - | xargs rm -f - -rm -f $(OUTPUT)acpidump - -install-tools: - $(INSTALL) -d $(DESTDIR)${sbindir} - $(INSTALL_PROGRAM) $(OUTPUT)acpidump $(DESTDIR)${sbindir} - -install-man: - $(INSTALL_DATA) -D man/acpidump.8 $(DESTDIR)${mandir}/man8/acpidump.8 - -install: all install-tools install-man - -uninstall: - - rm -f $(DESTDIR)${sbindir}/acpidump - - rm -f $(DESTDIR)${mandir}/man8/acpidump.8 - -.PHONY: all utils install-tools install-man install uninstall clean +include ../../scripts/Makefile.include + +all: acpidump ec +clean: acpidump_clean ec_clean +install: acpidump_install ec_install +uninstall: acpidump_uninstall ec_uninstall + +acpidump ec: FORCE + $(call descend,tools/$@,all) +acpidump_clean ec_clean: + $(call descend,tools/$(@:_clean=),clean) +acpidump_install ec_install: + $(call descend,tools/$(@:_install=),install) +acpidump_uninstall ec_uninstall: + $(call descend,tools/$(@:_uninstall=),uninstall) + +.PHONY: FORCE diff --git a/tools/power/acpi/Makefile.config b/tools/power/acpi/Makefile.config new file mode 100644 index 000000000000..552af68d5414 --- /dev/null +++ b/tools/power/acpi/Makefile.config @@ -0,0 +1,92 @@ +# tools/power/acpi/Makefile.config - ACPI tool Makefile +# +# Copyright (c) 2015, Intel Corporation +# Author: Lv Zheng <lv.zheng@intel.com> +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; version 2 +# of the License. + +include ../../../../scripts/Makefile.include + +OUTPUT=./ +ifeq ("$(origin O)", "command line") + OUTPUT := $(O)/ +endif + +ifneq ($(OUTPUT),) +# check that the output directory actually exists +OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd) +$(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist)) +endif + +# --- CONFIGURATION BEGIN --- + +# Set the following to `true' to make a unstripped, unoptimized +# binary. Leave this set to `false' for production use. +DEBUG ?= true + +# make the build silent. Set this to something else to make it noisy again. +V ?= false + +# Prefix to the directories we're installing to +DESTDIR ?= + +# --- CONFIGURATION END --- + +# Directory definitions. These are default and most probably +# do not need to be changed. Please note that DESTDIR is +# added in front of any of them + +bindir ?= /usr/bin +sbindir ?= /usr/sbin +mandir ?= /usr/man + +# Toolchain: what tools do we use, and what options do they need: + +INSTALL = /usr/bin/install -c +INSTALL_PROGRAM = ${INSTALL} +INSTALL_DATA = ${INSTALL} -m 644 +INSTALL_SCRIPT = ${INSTALL_PROGRAM} + +# If you are running a cross compiler, you may want to set this +# to something more interesting, like "arm-linux-". If you want +# to compile vs uClibc, that can be done here as well. +CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc- +CC = $(CROSS)gcc +LD = $(CROSS)gcc +STRIP = $(CROSS)strip +HOSTCC = gcc + +# check if compiler option is supported +cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;} + +# use '-Os' optimization if available, else use -O2 +OPTIMIZATION := $(call cc-supports,-Os,-O2) + +WARNINGS := -Wall +WARNINGS += $(call cc-supports,-Wstrict-prototypes) +WARNINGS += $(call cc-supports,-Wdeclaration-after-statement) + +KERNEL_INCLUDE := ../../../include +ACPICA_INCLUDE := ../../../drivers/acpi/acpica +CFLAGS += -D_LINUX -I$(KERNEL_INCLUDE) -I$(ACPICA_INCLUDE) +CFLAGS += $(WARNINGS) + +ifeq ($(strip $(V)),false) + QUIET=@ + ECHO=@echo +else + QUIET= + ECHO=@\# +endif + +# if DEBUG is enabled, then we do not strip or optimize +ifeq ($(strip $(DEBUG)),true) + CFLAGS += -O1 -g -DDEBUG + STRIPCMD = /bin/true -Since_we_are_debugging +else + CFLAGS += $(OPTIMIZATION) -fomit-frame-pointer + STRIPCMD = $(STRIP) -s --remove-section=.note --remove-section=.comment +endif diff --git a/tools/power/acpi/Makefile.rules b/tools/power/acpi/Makefile.rules new file mode 100644 index 000000000000..ec87a9e562c0 --- /dev/null +++ b/tools/power/acpi/Makefile.rules @@ -0,0 +1,37 @@ +# tools/power/acpi/Makefile.rules - ACPI tool Makefile +# +# Copyright (c) 2015, Intel Corporation +# Author: Lv Zheng <lv.zheng@intel.com> +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; version 2 +# of the License. + +$(OUTPUT)$(TOOL): $(TOOL_OBJS) FORCE + $(ECHO) " LD " $@ + $(QUIET) $(LD) $(CFLAGS) $(LDFLAGS) $(TOOL_OBJS) -L$(OUTPUT) -o $@ + $(QUIET) $(STRIPCMD) $@ + +$(OUTPUT)%.o: %.c + $(ECHO) " CC " $@ + $(QUIET) $(CC) -c $(CFLAGS) -o $@ $< + +all: $(OUTPUT)$(TOOL) +clean: + -find $(OUTPUT) \( -not -type d \) \ + -and \( -name '*~' -o -name '*.[oas]' \) \ + -type f -print \ + | xargs rm -f + -rm -f $(OUTPUT)$(TOOL) + +install-tools: + $(INSTALL) -d $(DESTDIR)${sbindir} + $(INSTALL_PROGRAM) $(OUTPUT)$(TOOL) $(DESTDIR)${sbindir} +uninstall-tools: + - rm -f $(DESTDIR)${sbindir}/$(TOOL) + +install: all install-tools $(EXTRA_INSTALL) +uninstall: uninstall-tools $(EXTRA_UNINSTALL) + +.PHONY: FORCE diff --git a/tools/power/acpi/tools/acpidump/Makefile b/tools/power/acpi/tools/acpidump/Makefile new file mode 100644 index 000000000000..8d761576e91b --- /dev/null +++ b/tools/power/acpi/tools/acpidump/Makefile @@ -0,0 +1,53 @@ +# tools/power/acpi/tools/acpidump/Makefile - ACPI tool Makefile +# +# Copyright (c) 2015, Intel Corporation +# Author: Lv Zheng <lv.zheng@intel.com> +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; version 2 +# of the License. + +include ../../Makefile.config + +TOOL = acpidump +EXTRA_INSTALL = install-man +EXTRA_UNINSTALL = uninstall-man + +vpath %.c \ + ../../../../../drivers/acpi/acpica\ + ./\ + ../../common\ + ../../os_specific/service_layers +CFLAGS += -DACPI_DUMP_APP -I.\ + -I../../../../../drivers/acpi/acpica\ + -I../../../../../include +TOOL_OBJS = \ + apdump.o\ + apfiles.o\ + apmain.o\ + osunixdir.o\ + osunixmap.o\ + osunixxf.o\ + tbprint.o\ + tbxfroot.o\ + utbuffer.o\ + utdebug.o\ + utexcep.o\ + utglobal.o\ + utmath.o\ + utnonansi.o\ + utprint.o\ + utstring.o\ + utxferror.o\ + oslibcfs.o\ + oslinuxtbl.o\ + cmfsize.o\ + getopt.o + +include ../../Makefile.rules + +install-man: ../../man/acpidump.8 + $(INSTALL_DATA) -D $< $(DESTDIR)${mandir}/man8/acpidump.8 +uninstall-man: + - rm -f $(DESTDIR)${mandir}/man8/acpidump.8 diff --git a/tools/power/acpi/tools/ec/Makefile b/tools/power/acpi/tools/ec/Makefile index b7b0b929bd32..75d8a127b6ee 100644 --- a/tools/power/acpi/tools/ec/Makefile +++ b/tools/power/acpi/tools/ec/Makefile @@ -1,22 +1,17 @@ -ec_access: ec_access.o - $(ECHO) " LD " $@ - $(QUIET) $(LD) $(CFLAGS) $(LDFLAGS) $< -o $@ - $(QUIET) $(STRIPCMD) $@ +# tools/power/acpi/tools/acpidump/Makefile - ACPI tool Makefile +# +# Copyright (c) 2015, Intel Corporation +# Author: Lv Zheng <lv.zheng@intel.com> +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; version 2 +# of the License. -%.o: %.c - $(ECHO) " CC " $@ - $(QUIET) $(CC) -c $(CFLAGS) -o $@ $< +include ../../Makefile.config -all: ec_access +TOOL = ec +TOOL_OBJS = \ + ec_access.o -install: - $(INSTALL) -d $(DESTDIR)${sbindir} - $(INSTALL_PROGRAM) ec_access $(DESTDIR)${sbindir} - -uninstall: - - rm -f $(DESTDIR)${sbindir}/ec_access - -clean: - -rm -f $(OUTPUT)ec_access - -.PHONY: all install uninstall +include ../../Makefile.rules diff --git a/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c b/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c index 7f0c756993af..3d7dc6afc3f8 100644 --- a/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c +++ b/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c @@ -191,7 +191,7 @@ int main(int argc, char *argv[]) if (res > 0) { atomic_set(&requeued, 1); break; - } else if (res > 0) { + } else if (res < 0) { error("FUTEX_CMP_REQUEUE_PI failed\n", errno); ret = RET_ERROR; break; |