diff options
534 files changed, 9928 insertions, 5176 deletions
diff --git a/Documentation/ABI/testing/ima_policy b/Documentation/ABI/testing/ima_policy index 986946613542..ec0a38ef3145 100644 --- a/Documentation/ABI/testing/ima_policy +++ b/Documentation/ABI/testing/ima_policy @@ -23,7 +23,7 @@ Description: lsm: [[subj_user=] [subj_role=] [subj_type=] [obj_user=] [obj_role=] [obj_type=]] - base: func:= [BPRM_CHECK][FILE_MMAP][FILE_CHECK] + base: func:= [BPRM_CHECK][FILE_MMAP][FILE_CHECK][MODULE_CHECK] mask:= [MAY_READ] [MAY_WRITE] [MAY_APPEND] [MAY_EXEC] fsmagic:= hex value uid:= decimal value @@ -53,6 +53,7 @@ Description: measure func=BPRM_CHECK measure func=FILE_MMAP mask=MAY_EXEC measure func=FILE_CHECK mask=MAY_READ uid=0 + measure func=MODULE_CHECK uid=0 appraise fowner=0 The default policy measures all executables in bprm_check, diff --git a/Documentation/devicetree/bindings/arm/davinci/nand.txt b/Documentation/devicetree/bindings/arm/davinci/nand.txt index 49fc7ada929a..3545ea704b50 100644 --- a/Documentation/devicetree/bindings/arm/davinci/nand.txt +++ b/Documentation/devicetree/bindings/arm/davinci/nand.txt @@ -23,6 +23,9 @@ Recommended properties : - ti,davinci-nand-buswidth: buswidth 8 or 16 - ti,davinci-nand-use-bbt: use flash based bad block table support. +nand device bindings may contain additional sub-nodes describing +partitions of the address space. See partition.txt for more detail. + Example(da850 EVM ): nand_cs3@62000000 { compatible = "ti,davinci-nand"; @@ -35,4 +38,9 @@ nand_cs3@62000000 { ti,davinci-ecc-mode = "hw"; ti,davinci-ecc-bits = <4>; ti,davinci-nand-use-bbt; + + partition@180000 { + label = "ubifs"; + reg = <0x180000 0x7e80000>; + }; }; diff --git a/Documentation/devicetree/bindings/mtd/denali-nand.txt b/Documentation/devicetree/bindings/mtd/denali-nand.txt new file mode 100644 index 000000000000..b04d03a1d499 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/denali-nand.txt @@ -0,0 +1,23 @@ +* Denali NAND controller + +Required properties: + - compatible : should be "denali,denali-nand-dt" + - reg : should contain registers location and length for data and reg. + - reg-names: Should contain the reg names "nand_data" and "denali_reg" + - interrupts : The interrupt number. + - dm-mask : DMA bit mask + +The device tree may optionally contain sub-nodes describing partitions of the +address space. See partition.txt for more detail. + +Examples: + +nand: nand@ff900000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "denali,denali-nand-dt"; + reg = <0xff900000 0x100000>, <0xffb80000 0x10000>; + reg-names = "nand_data", "denali_reg"; + interrupts = <0 144 4>; + dma-mask = <0xffffffff>; +}; diff --git a/Documentation/devicetree/bindings/mtd/flctl-nand.txt b/Documentation/devicetree/bindings/mtd/flctl-nand.txt new file mode 100644 index 000000000000..427f46dc60ad --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/flctl-nand.txt @@ -0,0 +1,49 @@ +FLCTL NAND controller + +Required properties: +- compatible : "renesas,shmobile-flctl-sh7372" +- reg : Address range of the FLCTL +- interrupts : flste IRQ number +- nand-bus-width : bus width to NAND chip + +Optional properties: +- dmas: DMA specifier(s) +- dma-names: name for each DMA specifier. Valid names are + "data_tx", "data_rx", "ecc_tx", "ecc_rx" + +The DMA fields are not used yet in the driver but are listed here for +completing the bindings. + +The device tree may optionally contain sub-nodes describing partitions of the +address space. See partition.txt for more detail. + +Example: + + flctl@e6a30000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "renesas,shmobile-flctl-sh7372"; + reg = <0xe6a30000 0x100>; + interrupts = <0x0d80>; + + nand-bus-width = <16>; + + dmas = <&dmac 1 /* data_tx */ + &dmac 2;> /* data_rx */ + dma-names = "data_tx", "data_rx"; + + system@0 { + label = "system"; + reg = <0x0 0x8000000>; + }; + + userdata@8000000 { + label = "userdata"; + reg = <0x8000000 0x10000000>; + }; + + cache@18000000 { + label = "cache"; + reg = <0x18000000 0x8000000>; + }; + }; diff --git a/Documentation/devicetree/bindings/mtd/fsmc-nand.txt b/Documentation/devicetree/bindings/mtd/fsmc-nand.txt index e2c663b354d2..e3ea32e7de3e 100644 --- a/Documentation/devicetree/bindings/mtd/fsmc-nand.txt +++ b/Documentation/devicetree/bindings/mtd/fsmc-nand.txt @@ -3,9 +3,7 @@ Required properties: - compatible : "st,spear600-fsmc-nand" - reg : Address range of the mtd chip -- reg-names: Should contain the reg names "fsmc_regs" and "nand_data" -- st,ale-off : Chip specific offset to ALE -- st,cle-off : Chip specific offset to CLE +- reg-names: Should contain the reg names "fsmc_regs", "nand_data", "nand_addr" and "nand_cmd" Optional properties: - bank-width : Width (in bytes) of the device. If not present, the width @@ -19,10 +17,10 @@ Example: #address-cells = <1>; #size-cells = <1>; reg = <0xd1800000 0x1000 /* FSMC Register */ - 0xd2000000 0x4000>; /* NAND Base */ - reg-names = "fsmc_regs", "nand_data"; - st,ale-off = <0x20000>; - st,cle-off = <0x10000>; + 0xd2000000 0x0010 /* NAND Base DATA */ + 0xd2020000 0x0010 /* NAND Base ADDR */ + 0xd2010000 0x0010>; /* NAND Base CMD */ + reg-names = "fsmc_regs", "nand_data", "nand_addr", "nand_cmd"; bank-width = <1>; nand-skip-bbtscan; diff --git a/Documentation/devicetree/bindings/mtd/m25p80.txt b/Documentation/devicetree/bindings/mtd/m25p80.txt new file mode 100644 index 000000000000..6d3d57609470 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/m25p80.txt @@ -0,0 +1,29 @@ +* MTD SPI driver for ST M25Pxx (and similar) serial flash chips + +Required properties: +- #address-cells, #size-cells : Must be present if the device has sub-nodes + representing partitions. +- compatible : Should be the manufacturer and the name of the chip. Bear in mind + the DT binding is not Linux-only, but in case of Linux, see the + "m25p_ids" table in drivers/mtd/devices/m25p80.c for the list of + supported chips. +- reg : Chip-Select number +- spi-max-frequency : Maximum frequency of the SPI bus the chip can operate at + +Optional properties: +- m25p,fast-read : Use the "fast read" opcode to read data from the chip instead + of the usual "read" opcode. This opcode is not supported by + all chips and support for it can not be detected at runtime. + Refer to your chips' datasheet to check if this is supported + by your chip. + +Example: + + flash: m25p80@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "spansion,m25p80"; + reg = <0>; + spi-max-frequency = <40000000>; + m25p,fast-read; + }; diff --git a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt index 94de19b8f16b..dab7847fc800 100644 --- a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt +++ b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt @@ -23,6 +23,9 @@ file systems on embedded devices. unaligned accesses as implemented in the JFFS2 code via memcpy(). By defining "no-unaligned-direct-access", the flash will not be exposed directly to the MTD users (e.g. JFFS2) any more. + - linux,mtd-name: allow to specify the mtd name for retro capability with + physmap-flash drivers as boot loader pass the mtd partition via the old + device name physmap-flash. For JEDEC compatible devices, the following additional properties are defined: diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt new file mode 100644 index 000000000000..131e8c11d26f --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt @@ -0,0 +1,23 @@ +TI SOC ECAP based APWM controller + +Required properties: +- compatible: Must be "ti,am33xx-ecap" +- #pwm-cells: Should be 3. Number of cells being used to specify PWM property. + First cell specifies the per-chip index of the PWM to use, the second + cell is the period in nanoseconds and bit 0 in the third cell is used to + encode the polarity of PWM output. Set bit 0 of the third in PWM specifier + to 1 for inverse polarity & set to 0 for normal polarity. +- reg: physical base address and size of the registers map. + +Optional properties: +- ti,hwmods: Name of the hwmod associated to the ECAP: + "ecap<x>", <x> being the 0-based instance number from the HW spec + +Example: + +ecap0: ecap@0 { + compatible = "ti,am33xx-ecap"; + #pwm-cells = <3>; + reg = <0x48300100 0x80>; + ti,hwmods = "ecap0"; +}; diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt new file mode 100644 index 000000000000..4fc7079d822e --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt @@ -0,0 +1,23 @@ +TI SOC EHRPWM based PWM controller + +Required properties: +- compatible : Must be "ti,am33xx-ehrpwm" +- #pwm-cells: Should be 3. Number of cells being used to specify PWM property. + First cell specifies the per-chip index of the PWM to use, the second + cell is the period in nanoseconds and bit 0 in the third cell is used to + encode the polarity of PWM output. Set bit 0 of the third in PWM specifier + to 1 for inverse polarity & set to 0 for normal polarity. +- reg: physical base address and size of the registers map. + +Optional properties: +- ti,hwmods: Name of the hwmod associated to the EHRPWM: + "ehrpwm<x>", <x> being the 0-based instance number from the HW spec + +Example: + +ehrpwm0: ehrpwm@0 { + compatible = "ti,am33xx-ehrpwm"; + #pwm-cells = <3>; + reg = <0x48300200 0x100>; + ti,hwmods = "ehrpwm0"; +}; diff --git a/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt b/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt new file mode 100644 index 000000000000..f7eae77f8354 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt @@ -0,0 +1,31 @@ +TI SOC based PWM Subsystem + +Required properties: +- compatible: Must be "ti,am33xx-pwmss"; +- reg: physical base address and size of the registers map. +- address-cells: Specify the number of u32 entries needed in child nodes. + Should set to 1. +- size-cells: specify number of u32 entries needed to specify child nodes size + in reg property. Should set to 1. +- ranges: describes the address mapping of a memory-mapped bus. Should set to + physical address map of child's base address, physical address within + parent's address space and length of the address map. For am33xx, + 3 set of child register maps present, ECAP register space, EQEP + register space, EHRPWM register space. + +Also child nodes should also populated under PWMSS DT node. + +Example: +pwmss0: pwmss@48300000 { + compatible = "ti,am33xx-pwmss"; + reg = <0x48300000 0x10>; + ti,hwmods = "epwmss0"; + #address-cells = <1>; + #size-cells = <1>; + status = "disabled"; + ranges = <0x48300100 0x48300100 0x80 /* ECAP */ + 0x48300180 0x48300180 0x80 /* EQEP */ + 0x48300200 0x48300200 0x80>; /* EHRPWM */ + + /* child nodes go here */ +}; diff --git a/Documentation/devicetree/bindings/pwm/pwm.txt b/Documentation/devicetree/bindings/pwm/pwm.txt index 73ec962bfe8c..06e67247859a 100644 --- a/Documentation/devicetree/bindings/pwm/pwm.txt +++ b/Documentation/devicetree/bindings/pwm/pwm.txt @@ -37,10 +37,21 @@ device: pwm-names = "backlight"; }; +Note that in the example above, specifying the "pwm-names" is redundant +because the name "backlight" would be used as fallback anyway. + pwm-specifier typically encodes the chip-relative PWM number and the PWM -period in nanoseconds. Note that in the example above, specifying the -"pwm-names" is redundant because the name "backlight" would be used as -fallback anyway. +period in nanoseconds. + +Optionally, the pwm-specifier can encode a number of flags in a third cell: +- bit 0: PWM signal polarity (0: normal polarity, 1: inverse polarity) + +Example with optional PWM specifier for inverse polarity + + bl: backlight { + pwms = <&pwm 0 5000000 1>; + pwm-names = "backlight"; + }; 2) PWM controller nodes ----------------------- diff --git a/Documentation/devicetree/bindings/pwm/spear-pwm.txt b/Documentation/devicetree/bindings/pwm/spear-pwm.txt new file mode 100644 index 000000000000..3ac779d83386 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/spear-pwm.txt @@ -0,0 +1,18 @@ +== ST SPEAr SoC PWM controller == + +Required properties: +- compatible: should be one of: + - "st,spear320-pwm" + - "st,spear1340-pwm" +- reg: physical base address and length of the controller's registers +- #pwm-cells: number of cells used to specify PWM which is fixed to 2 on + SPEAr. The first cell specifies the per-chip index of the PWM to use and + the second cell is the period in nanoseconds. + +Example: + + pwm: pwm@a8000000 { + compatible ="st,spear320-pwm"; + reg = <0xa8000000 0x1000>; + #pwm-cells = <2>; + }; diff --git a/Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt b/Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt new file mode 100644 index 000000000000..2943ee5fce00 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt @@ -0,0 +1,17 @@ +Texas Instruments TWL series PWM drivers + +Supported PWMs: +On TWL4030 series: PWM1 and PWM2 +On TWL6030 series: PWM0 and PWM1 + +Required properties: +- compatible: "ti,twl4030-pwm" or "ti,twl6030-pwm" +- #pwm-cells: should be 2. The first cell specifies the per-chip index + of the PWM to use and the second cell is the period in nanoseconds. + +Example: + +twl_pwm: pwm { + compatible = "ti,twl6030-pwm"; + #pwm-cells = <2>; +}; diff --git a/Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt b/Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt new file mode 100644 index 000000000000..cb64f3acc10f --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt @@ -0,0 +1,17 @@ +Texas Instruments TWL series PWM drivers connected to LED terminals + +Supported PWMs: +On TWL4030 series: PWMA and PWMB (connected to LEDA and LEDB terminals) +On TWL6030 series: LED PWM (mainly used as charging indicator LED) + +Required properties: +- compatible: "ti,twl4030-pwmled" or "ti,twl6030-pwmled" +- #pwm-cells: should be 2. The first cell specifies the per-chip index + of the PWM to use and the second cell is the period in nanoseconds. + +Example: + +twl_pwmled: pwmled { + compatible = "ti,twl6030-pwmled"; + #pwm-cells = <2>; +}; diff --git a/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt b/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt new file mode 100644 index 000000000000..bcc63678a9a5 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt @@ -0,0 +1,17 @@ +VIA/Wondermedia VT8500/WM8xxx series SoC PWM controller + +Required properties: +- compatible: should be "via,vt8500-pwm" +- reg: physical base address and length of the controller's registers +- #pwm-cells: should be 2. The first cell specifies the per-chip index + of the PWM to use and the second cell is the period in nanoseconds. +- clocks: phandle to the PWM source clock + +Example: + +pwm1: pwm@d8220000 { + #pwm-cells = <2>; + compatible = "via,vt8500-pwm"; + reg = <0xd8220000 0x1000>; + clocks = <&clkpwm>; +}; diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt b/Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt index 8cf24f6f0a99..7b53da5cb75b 100644 --- a/Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt +++ b/Documentation/devicetree/bindings/spi/nvidia,tegra20-sflash.txt @@ -13,7 +13,7 @@ Recommended properties: Example: -spi@7000d600 { +spi@7000c380 { compatible = "nvidia,tegra20-sflash"; reg = <0x7000c380 0x80>; interrupts = <0 39 0x04>; diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt b/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt index f5b1ad1a1ec3..eefe15e3d95e 100644 --- a/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt +++ b/Documentation/devicetree/bindings/spi/nvidia,tegra20-slink.txt @@ -13,7 +13,7 @@ Recommended properties: Example: -slink@7000d600 { +spi@7000d600 { compatible = "nvidia,tegra20-slink"; reg = <0x7000d600 0x200>; interrupts = <0 82 0x04>; diff --git a/Documentation/devicetree/bindings/spi/spi_atmel.txt b/Documentation/devicetree/bindings/spi/spi_atmel.txt new file mode 100644 index 000000000000..07e04cdc0c9e --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi_atmel.txt @@ -0,0 +1,26 @@ +Atmel SPI device + +Required properties: +- compatible : should be "atmel,at91rm9200-spi". +- reg: Address and length of the register set for the device +- interrupts: Should contain spi interrupt +- cs-gpios: chipselects + +Example: + +spi1: spi@fffcc000 { + compatible = "atmel,at91rm9200-spi"; + reg = <0xfffcc000 0x4000>; + interrupts = <13 4 5>; + #address-cells = <1>; + #size-cells = <0>; + cs-gpios = <&pioB 3 0>; + status = "okay"; + + mmc-slot@0 { + compatible = "mmc-spi-slot"; + reg = <0>; + gpios = <&pioC 4 0>; /* CD */ + spi-max-frequency = <25000000>; + }; +}; diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87 index 87850d86c559..8386aadc0a82 100644 --- a/Documentation/hwmon/it87 +++ b/Documentation/hwmon/it87 @@ -209,3 +209,13 @@ doesn't use CPU cycles. Trip points must be set properly before switching to automatic fan speed control mode. The driver will perform basic integrity checks before actually switching to automatic control mode. + + +Temperature offset attributes +----------------------------- + +The driver supports temp[1-3]_offset sysfs attributes to adjust the reported +temperature for thermal diodes or diode-connected thermal transistors. +If a temperature sensor is configured for thermistors, the attribute values +are ignored. If the thermal sensor type is Intel PECI, the temperature offset +must be programmed to the critical CPU temperature. diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt index f15cb74c4f78..406d82d5d2bb 100644 --- a/Documentation/x86/boot.txt +++ b/Documentation/x86/boot.txt @@ -373,7 +373,7 @@ Protocol: 2.00+ 1 Loadlin 2 bootsect-loader (0x20, all other values reserved) 3 Syslinux - 4 Etherboot/gPXE + 4 Etherboot/gPXE/iPXE 5 ELILO 7 GRUB 8 U-Boot @@ -381,6 +381,7 @@ Protocol: 2.00+ A Gujin B Qemu C Arcturus Networks uCbootloader + D kexec-tools E Extended (see ext_loader_type) F Special (0xFF = undefined) 10 Reserved diff --git a/Documentation/xtensa/atomctl.txt b/Documentation/xtensa/atomctl.txt new file mode 100644 index 000000000000..10a8d1ff35ec --- /dev/null +++ b/Documentation/xtensa/atomctl.txt @@ -0,0 +1,44 @@ +We Have Atomic Operation Control (ATOMCTL) Register. +This register determines the effect of using a S32C1I instruction +with various combinations of: + + 1. With and without an Coherent Cache Controller which + can do Atomic Transactions to the memory internally. + + 2. With and without An Intelligent Memory Controller which + can do Atomic Transactions itself. + +The Core comes up with a default value of for the three types of cache ops: + + 0x28: (WB: Internal, WT: Internal, BY:Exception) + +On the FPGA Cards we typically simulate an Intelligent Memory controller +which can implement RCW transactions. For FPGA cards with an External +Memory controller we let it to the atomic operations internally while +doing a Cached (WB) transaction and use the Memory RCW for un-cached +operations. + +For systems without an coherent cache controller, non-MX, we always +use the memory controllers RCW, thought non-MX controlers likely +support the Internal Operation. + +CUSTOMER-WARNING: + Virtually all customers buy their memory controllers from vendors that + don't support atomic RCW memory transactions and will likely want to + configure this register to not use RCW. + +Developers might find using RCW in Bypass mode convenient when testing +with the cache being bypassed; for example studying cache alias problems. + +See Section 4.3.12.4 of ISA; Bits: + + WB WT BY + 5 4 | 3 2 | 1 0 + 2 Bit + Field + Values WB - Write Back WT - Write Thru BY - Bypass +--------- --------------- ----------------- ---------------- + 0 Exception Exception Exception + 1 RCW Transaction RCW Transaction RCW Transaction + 2 Internal Operation Exception Reserved + 3 Reserved Reserved Reserved @@ -981,6 +981,12 @@ _modinst_post: _modinst_ $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modinst $(call cmd,depmod) +ifeq ($(CONFIG_MODULE_SIG), y) +PHONY += modules_sign +modules_sign: + $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modsign +endif + else # CONFIG_MODULES # Modules not configured diff --git a/arch/Kconfig b/arch/Kconfig index 54ffd0f9df21..8e9e3246b2b4 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -113,6 +113,25 @@ config HAVE_EFFICIENT_UNALIGNED_ACCESS See Documentation/unaligned-memory-access.txt for more information on the topic of unaligned memory accesses. +config ARCH_USE_BUILTIN_BSWAP + bool + help + Modern versions of GCC (since 4.4) have builtin functions + for handling byte-swapping. Using these, instead of the old + inline assembler that the architecture code provides in the + __arch_bswapXX() macros, allows the compiler to see what's + happening and offers more opportunity for optimisation. In + particular, the compiler will be able to combine the byteswap + with a nearby load or store and use load-and-swap or + store-and-swap instructions if the architecture has them. It + should almost *never* result in code which is worse than the + hand-coded assembler in <asm/swab.h>. But just in case it + does, the use of the builtins is optional. + + Any architecture with load-and-swap or store-and-swap + instructions should set this. And it shouldn't hurt to set it + on architectures that don't have such instructions. + config HAVE_SYSCALL_WRAPPERS bool diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 0f441740c22a..d077ef8426df 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -107,6 +107,7 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \ omap3-evm.dtb \ omap3-tobi.dtb \ omap4-panda.dtb \ + omap4-panda-a4.dtb \ omap4-panda-es.dtb \ omap4-var-som.dtb \ omap4-sdp.dtb \ @@ -131,8 +132,8 @@ dtb-$(CONFIG_ARCH_SPEAR3XX)+= spear300-evb.dtb \ spear320-evb.dtb \ spear320-hmi.dtb dtb-$(CONFIG_ARCH_SPEAR6XX)+= spear600-evb.dtb -dtb-$(CONFIG_ARCH_SUNXI) += sun4i-cubieboard.dtb \ - sun5i-olinuxino.dtb +dtb-$(CONFIG_ARCH_SUNXI) += sun4i-a10-cubieboard.dtb \ + sun5i-a13-olinuxino.dtb dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \ tegra20-medcom-wide.dtb \ tegra20-paz00.dtb \ diff --git a/arch/arm/boot/dts/imx27-3ds.dts b/arch/arm/boot/dts/imx27-3ds.dts index b01c0d745fc5..fa04c7b18bcb 100644 --- a/arch/arm/boot/dts/imx27-3ds.dts +++ b/arch/arm/boot/dts/imx27-3ds.dts @@ -21,17 +21,17 @@ }; soc { - aipi@10000000 { /* aipi */ - + aipi@10000000 { /* aipi1 */ uart1: serial@1000a000 { fsl,uart-has-rtscts; status = "okay"; }; + }; - fec@1002b000 { + aipi@10020000 { /* aipi2 */ + ethernet@1002b000 { status = "okay"; }; }; }; - }; diff --git a/arch/arm/boot/dts/imx27-phytec-phycore.dts b/arch/arm/boot/dts/imx27-phytec-phycore.dts index af50469e34b2..53b0ec0c228e 100644 --- a/arch/arm/boot/dts/imx27-phytec-phycore.dts +++ b/arch/arm/boot/dts/imx27-phytec-phycore.dts @@ -21,8 +21,7 @@ }; soc { - aipi@10000000 { /* aipi */ - + aipi@10000000 { /* aipi1 */ serial@1000a000 { fsl,uart-has-rtscts; status = "okay"; @@ -38,10 +37,6 @@ status = "okay"; }; - ethernet@1002b000 { - status = "okay"; - }; - i2c@1001d000 { clock-frequency = <400000>; status = "okay"; @@ -60,6 +55,12 @@ }; }; }; + + aipi@10020000 { /* aipi2 */ + ethernet@1002b000 { + status = "okay"; + }; + }; }; nor_flash@c0000000 { diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi index b8d3905915ac..5a82cb5707a8 100644 --- a/arch/arm/boot/dts/imx27.dtsi +++ b/arch/arm/boot/dts/imx27.dtsi @@ -55,7 +55,7 @@ compatible = "fsl,aipi-bus", "simple-bus"; #address-cells = <1>; #size-cells = <1>; - reg = <0x10000000 0x10000000>; + reg = <0x10000000 0x20000>; ranges; wdog: wdog@10002000 { @@ -211,6 +211,15 @@ status = "disabled"; }; + }; + + aipi@10020000 { /* AIPI2 */ + compatible = "fsl,aipi-bus", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x10020000 0x20000>; + ranges; + fec: ethernet@1002b000 { compatible = "fsl,imx27-fec"; reg = <0x1002b000 0x4000>; diff --git a/arch/arm/boot/dts/omap2420-h4.dts b/arch/arm/boot/dts/omap2420-h4.dts index 77b84e17c477..9b0d07746cba 100644 --- a/arch/arm/boot/dts/omap2420-h4.dts +++ b/arch/arm/boot/dts/omap2420-h4.dts @@ -15,6 +15,6 @@ memory { device_type = "memory"; - reg = <0x80000000 0x84000000>; /* 64 MB */ + reg = <0x80000000 0x4000000>; /* 64 MB */ }; }; diff --git a/arch/arm/boot/dts/spear13xx.dtsi b/arch/arm/boot/dts/spear13xx.dtsi index 009096d1d2c3..b4ca60f4eb42 100644 --- a/arch/arm/boot/dts/spear13xx.dtsi +++ b/arch/arm/boot/dts/spear13xx.dtsi @@ -73,7 +73,7 @@ 400000 500000 600000 >; - status = "disable"; + status = "disabled"; }; ahb { @@ -118,15 +118,15 @@ compatible = "st,spear600-fsmc-nand"; #address-cells = <1>; #size-cells = <1>; - reg = <0xb0000000 0x1000 /* FSMC Register */ - 0xb0800000 0x0010>; /* NAND Base */ - reg-names = "fsmc_regs", "nand_data"; + reg = <0xb0000000 0x1000 /* FSMC Register*/ + 0xb0800000 0x0010 /* NAND Base DATA */ + 0xb0820000 0x0010 /* NAND Base ADDR */ + 0xb0810000 0x0010>; /* NAND Base CMD */ + reg-names = "fsmc_regs", "nand_data", "nand_addr", "nand_cmd"; interrupts = <0 20 0x4 0 21 0x4 0 22 0x4 0 23 0x4>; - st,ale-off = <0x20000>; - st,cle-off = <0x10000>; st,mode = <2>; status = "disabled"; }; @@ -144,7 +144,7 @@ compatible = "st,pcm-audio"; #address-cells = <0>; #size-cells = <0>; - status = "disable"; + status = "disabled"; }; smi: flash@ea000000 { diff --git a/arch/arm/boot/dts/spear300.dtsi b/arch/arm/boot/dts/spear300.dtsi index 090adc656015..f79b3dfaabe6 100644 --- a/arch/arm/boot/dts/spear300.dtsi +++ b/arch/arm/boot/dts/spear300.dtsi @@ -38,10 +38,10 @@ #address-cells = <1>; #size-cells = <1>; reg = <0x94000000 0x1000 /* FSMC Register */ - 0x80000000 0x0010>; /* NAND Base */ - reg-names = "fsmc_regs", "nand_data"; - st,ale-off = <0x20000>; - st,cle-off = <0x10000>; + 0x80000000 0x0010 /* NAND Base DATA */ + 0x80020000 0x0010 /* NAND Base ADDR */ + 0x80010000 0x0010>; /* NAND Base CMD */ + reg-names = "fsmc_regs", "nand_data", "nand_addr", "nand_cmd"; status = "disabled"; }; diff --git a/arch/arm/boot/dts/spear310.dtsi b/arch/arm/boot/dts/spear310.dtsi index e814e5e97083..ab45b8c81982 100644 --- a/arch/arm/boot/dts/spear310.dtsi +++ b/arch/arm/boot/dts/spear310.dtsi @@ -33,10 +33,10 @@ #address-cells = <1>; #size-cells = <1>; reg = <0x44000000 0x1000 /* FSMC Register */ - 0x40000000 0x0010>; /* NAND Base */ - reg-names = "fsmc_regs", "nand_data"; - st,ale-off = <0x10000>; - st,cle-off = <0x20000>; + 0x40000000 0x0010 /* NAND Base DATA */ + 0x40020000 0x0010 /* NAND Base ADDR */ + 0x40010000 0x0010>; /* NAND Base CMD */ + reg-names = "fsmc_regs", "nand_data", "nand_addr", "nand_cmd"; status = "disabled"; }; diff --git a/arch/arm/boot/dts/spear320.dtsi b/arch/arm/boot/dts/spear320.dtsi index c056a84deabf..caa5520b1fd4 100644 --- a/arch/arm/boot/dts/spear320.dtsi +++ b/arch/arm/boot/dts/spear320.dtsi @@ -40,10 +40,10 @@ #address-cells = <1>; #size-cells = <1>; reg = <0x4c000000 0x1000 /* FSMC Register */ - 0x50000000 0x0010>; /* NAND Base */ - reg-names = "fsmc_regs", "nand_data"; - st,ale-off = <0x20000>; - st,cle-off = <0x10000>; + 0x50000000 0x0010 /* NAND Base DATA */ + 0x50020000 0x0010 /* NAND Base ADDR */ + 0x50010000 0x0010>; /* NAND Base CMD */ + reg-names = "fsmc_regs", "nand_data", "nand_addr", "nand_cmd"; status = "disabled"; }; diff --git a/arch/arm/boot/dts/spear600.dtsi b/arch/arm/boot/dts/spear600.dtsi index e051dde5181f..19f99dc4115e 100644 --- a/arch/arm/boot/dts/spear600.dtsi +++ b/arch/arm/boot/dts/spear600.dtsi @@ -76,10 +76,10 @@ #address-cells = <1>; #size-cells = <1>; reg = <0xd1800000 0x1000 /* FSMC Register */ - 0xd2000000 0x4000>; /* NAND Base */ - reg-names = "fsmc_regs", "nand_data"; - st,ale-off = <0x20000>; - st,cle-off = <0x10000>; + 0xd2000000 0x0010 /* NAND Base DATA */ + 0xd2020000 0x0010 /* NAND Base ADDR */ + 0xd2010000 0x0010>; /* NAND Base CMD */ + reg-names = "fsmc_regs", "nand_data", "nand_addr", "nand_cmd"; status = "disabled"; }; diff --git a/arch/arm/boot/dts/sun4i-cubieboard.dts b/arch/arm/boot/dts/sun4i-cubieboard.dts index f4ca126ad994..5cab82540437 100644 --- a/arch/arm/boot/dts/sun4i-cubieboard.dts +++ b/arch/arm/boot/dts/sun4i-cubieboard.dts @@ -11,11 +11,11 @@ */ /dts-v1/; -/include/ "sun4i.dtsi" +/include/ "sun4i-a10.dtsi" / { model = "Cubietech Cubieboard"; - compatible = "cubietech,cubieboard", "allwinner,sun4i"; + compatible = "cubietech,a10-cubieboard", "allwinner,sun4i-a10"; aliases { serial0 = &uart0; diff --git a/arch/arm/boot/dts/sun5i-olinuxino.dts b/arch/arm/boot/dts/sun5i-olinuxino.dts index d6ff889a5d87..498a091a4ea2 100644 --- a/arch/arm/boot/dts/sun5i-olinuxino.dts +++ b/arch/arm/boot/dts/sun5i-olinuxino.dts @@ -12,11 +12,11 @@ */ /dts-v1/; -/include/ "sun5i.dtsi" +/include/ "sun5i-a13.dtsi" / { model = "Olimex A13-Olinuxino"; - compatible = "olimex,a13-olinuxino", "allwinner,sun5i"; + compatible = "olimex,a13-olinuxino", "allwinner,sun5i-a13"; chosen { bootargs = "earlyprintk console=ttyS0,115200"; diff --git a/arch/arm/configs/nhk8815_defconfig b/arch/arm/configs/nhk8815_defconfig index 240b25eea565..86cfd2959c47 100644 --- a/arch/arm/configs/nhk8815_defconfig +++ b/arch/arm/configs/nhk8815_defconfig @@ -57,7 +57,7 @@ CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_NAND=y CONFIG_MTD_NAND_ECC_SMC=y -CONFIG_MTD_NAND_NOMADIK=y +CONFIG_MTD_NAND_FSMC=y CONFIG_MTD_ONENAND=y CONFIG_MTD_ONENAND_VERIFY_WRITE=y CONFIG_MTD_ONENAND_GENERIC=y diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h index ac03bdb4ae44..4da7cde70b5d 100644 --- a/arch/arm/include/uapi/asm/unistd.h +++ b/arch/arm/include/uapi/asm/unistd.h @@ -405,6 +405,7 @@ #define __NR_process_vm_readv (__NR_SYSCALL_BASE+376) #define __NR_process_vm_writev (__NR_SYSCALL_BASE+377) /* 378 for kcmp */ +#define __NR_finit_module (__NR_SYSCALL_BASE+379) /* * This may need to be greater than __NR_last_syscall+1 in order to diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 5935b6a02e6e..a4fda4e7a372 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -388,6 +388,7 @@ CALL(sys_process_vm_readv) CALL(sys_process_vm_writev) CALL(sys_ni_syscall) /* reserved for sys_kcmp */ + CALL(sys_finit_module) #ifndef syscalls_counted .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls #define syscalls_counted diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 7211772edd9d..0299915575a8 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -41,6 +41,7 @@ #include <mach/cp_intc.h> #include <mach/da8xx.h> #include <mach/mux.h> +#include <mach/sram.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> diff --git a/arch/arm/mach-ep93xx/include/mach/uncompress.h b/arch/arm/mach-ep93xx/include/mach/uncompress.h index 16026c2b1c8c..d64274fc5760 100644 --- a/arch/arm/mach-ep93xx/include/mach/uncompress.h +++ b/arch/arm/mach-ep93xx/include/mach/uncompress.h @@ -47,13 +47,9 @@ static void __raw_writel(unsigned int value, unsigned int ptr) static inline void putc(int c) { - int i; - - for (i = 0; i < 1000; i++) { - /* Transmit fifo not full? */ - if (!(__raw_readb(PHYS_UART_FLAG) & UART_FLAG_TXFF)) - break; - } + /* Transmit fifo not full? */ + while (__raw_readb(PHYS_UART_FLAG) & UART_FLAG_TXFF) + ; __raw_writeb(c, PHYS_UART_DATA); } diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h index dac146df79ac..04744f9c120f 100644 --- a/arch/arm/mach-exynos/common.h +++ b/arch/arm/mach-exynos/common.h @@ -25,7 +25,7 @@ void exynos_init_late(void); #ifdef CONFIG_PM_GENERIC_DOMAINS int exynos_pm_late_initcall(void); #else -static int exynos_pm_late_initcall(void) { return 0; } +static inline int exynos_pm_late_initcall(void) { return 0; } #endif #ifdef CONFIG_ARCH_EXYNOS4 diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c index e8c0473c7568..579023f59dc1 100644 --- a/arch/arm/mach-imx/clk-imx51-imx53.c +++ b/arch/arm/mach-imx/clk-imx51-imx53.c @@ -319,6 +319,7 @@ int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc, unsigned long rate_ckih1, unsigned long rate_ckih2) { int i; + u32 val; struct device_node *np; clk[pll1_sw] = imx_clk_pllv2("pll1_sw", "osc", MX51_DPLL1_BASE); @@ -390,6 +391,21 @@ int __init mx51_clocks_init(unsigned long rate_ckil, unsigned long rate_osc, imx_print_silicon_rev("i.MX51", mx51_revision()); clk_disable_unprepare(clk[iim_gate]); + /* + * Reference Manual says: Functionality of CCDR[18] and CLPCR[23] is no + * longer supported. Set to one for better power saving. + * + * The effect of not setting these bits is that MIPI clocks can't be + * enabled without the IPU clock being enabled aswell. + */ + val = readl(MXC_CCM_CCDR); + val |= 1 << 18; + writel(val, MXC_CCM_CCDR); + + val = readl(MXC_CCM_CLPCR); + val |= 1 << 23; + writel(val, MXC_CCM_CLPCR); + return 0; } diff --git a/arch/arm/plat-mxc/devices/platform-mx2-emma.c b/arch/arm/mach-imx/devices/platform-mx2-emma.c index 508404ddd4ea..11bd01d402f2 100644 --- a/arch/arm/plat-mxc/devices/platform-mx2-emma.c +++ b/arch/arm/mach-imx/devices/platform-mx2-emma.c @@ -6,8 +6,8 @@ * the terms of the GNU General Public License version 2 as published by the * Free Software Foundation. */ -#include <mach/hardware.h> -#include <mach/devices-common.h> +#include "../hardware.h" +#include "devices-common.h" #define imx_mx2_emmaprp_data_entry_single(soc) \ { \ diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c index 5ccdf53c5a9d..98167a4319f7 100644 --- a/arch/arm/mach-nomadik/board-nhk8815.c +++ b/arch/arm/mach-nomadik/board-nhk8815.c @@ -19,6 +19,7 @@ #include <linux/gpio.h> #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> +#include <linux/mtd/fsmc.h> #include <linux/mtd/onenand.h> #include <linux/mtd/partitions.h> #include <linux/i2c.h> @@ -33,7 +34,6 @@ #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include <asm/mach/time.h> -#include <mach/fsmc.h> #include <mach/irqs.h> #include "cpu-8815.h" @@ -42,39 +42,34 @@ #define SRC_CR_INIT_MASK 0x00007fff #define SRC_CR_INIT_VAL 0x2aaa8000 +#define ALE_OFF 0x1000000 +#define CLE_OFF 0x800000 + /* These addresses span 16MB, so use three individual pages */ static struct resource nhk8815_nand_resources[] = { { + .name = "nand_data", + .start = 0x40000000, + .end = 0x40000000 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, { .name = "nand_addr", - .start = NAND_IO_ADDR, - .end = NAND_IO_ADDR + 0xfff, + .start = 0x40000000 + ALE_OFF, + .end = 0x40000000 +ALE_OFF + SZ_16K - 1, .flags = IORESOURCE_MEM, }, { .name = "nand_cmd", - .start = NAND_IO_CMD, - .end = NAND_IO_CMD + 0xfff, + .start = 0x40000000 + CLE_OFF, + .end = 0x40000000 + CLE_OFF + SZ_16K - 1, .flags = IORESOURCE_MEM, }, { - .name = "nand_data", - .start = NAND_IO_DATA, - .end = NAND_IO_DATA + 0xfff, + .name = "fsmc_regs", + .start = NOMADIK_FSMC_BASE, + .end = NOMADIK_FSMC_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, - } + }, }; -static int nhk8815_nand_init(void) -{ - /* FSMC setup for nand chip select (8-bit nand in 8815NHK) */ - writel(0x0000000E, FSMC_PCR(0)); - writel(0x000D0A00, FSMC_PMEM(0)); - writel(0x00100A00, FSMC_PATT(0)); - - /* enable access to the chip select area */ - writel(readl(FSMC_PCR(0)) | 0x04, FSMC_PCR(0)); - - return 0; -} - /* * These partitions are the same as those used in the 2.6.20 release * shipped by the vendor; the first two partitions are mandated @@ -108,20 +103,28 @@ static struct mtd_partition nhk8815_partitions[] = { } }; -static struct nomadik_nand_platform_data nhk8815_nand_data = { - .parts = nhk8815_partitions, - .nparts = ARRAY_SIZE(nhk8815_partitions), - .options = NAND_COPYBACK | NAND_CACHEPRG | NAND_NO_PADDING, - .init = nhk8815_nand_init, +static struct fsmc_nand_timings nhk8815_nand_timings = { + .thiz = 0, + .thold = 0x10, + .twait = 0x0A, + .tset = 0, +}; + +static struct fsmc_nand_platform_data nhk8815_nand_platform_data = { + .nand_timings = &nhk8815_nand_timings, + .partitions = nhk8815_partitions, + .nr_partitions = ARRAY_SIZE(nhk8815_partitions), + .width = FSMC_NAND_BW8, }; static struct platform_device nhk8815_nand_device = { - .name = "nomadik_nand", - .dev = { - .platform_data = &nhk8815_nand_data, + .name = "fsmc-nand", + .id = -1, + .resource = nhk8815_nand_resources, + .num_resources = ARRAY_SIZE(nhk8815_nand_resources), + .dev = { + .platform_data = &nhk8815_nand_platform_data, }, - .resource = nhk8815_nand_resources, - .num_resources = ARRAY_SIZE(nhk8815_nand_resources), }; /* These are the partitions for the OneNand device, different from above */ @@ -176,6 +179,10 @@ static struct platform_device nhk8815_onenand_device = { .num_resources = ARRAY_SIZE(nhk8815_onenand_resource), }; +/* bus control reg. and bus timing reg. for CS0..CS3 */ +#define FSMC_BCR(x) (NOMADIK_FSMC_VA + (x << 3)) +#define FSMC_BTR(x) (NOMADIK_FSMC_VA + (x << 3) + 0x04) + static void __init nhk8815_onenand_init(void) { #ifdef CONFIG_MTD_ONENAND diff --git a/arch/arm/mach-nomadik/include/mach/fsmc.h b/arch/arm/mach-nomadik/include/mach/fsmc.h deleted file mode 100644 index 8c2c05183685..000000000000 --- a/arch/arm/mach-nomadik/include/mach/fsmc.h +++ /dev/null @@ -1,29 +0,0 @@ - -/* Definitions for the Nomadik FSMC "Flexible Static Memory controller" */ - -#ifndef __ASM_ARCH_FSMC_H -#define __ASM_ARCH_FSMC_H - -#include <mach/hardware.h> -/* - * Register list - */ - -/* bus control reg. and bus timing reg. for CS0..CS3 */ -#define FSMC_BCR(x) (NOMADIK_FSMC_VA + (x << 3)) -#define FSMC_BTR(x) (NOMADIK_FSMC_VA + (x << 3) + 0x04) - -/* PC-card and NAND: - * PCR = control register - * PMEM = memory timing - * PATT = attribute timing - * PIO = I/O timing - * PECCR = ECC result - */ -#define FSMC_PCR(x) (NOMADIK_FSMC_VA + ((2 + x) << 5) + 0x00) -#define FSMC_PMEM(x) (NOMADIK_FSMC_VA + ((2 + x) << 5) + 0x08) -#define FSMC_PATT(x) (NOMADIK_FSMC_VA + ((2 + x) << 5) + 0x0c) -#define FSMC_PIO(x) (NOMADIK_FSMC_VA + ((2 + x) << 5) + 0x10) -#define FSMC_PECCR(x) (NOMADIK_FSMC_VA + ((2 + x) << 5) + 0x14) - -#endif /* __ASM_ARCH_FSMC_H */ diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index be0f62bf9037..41b581fd0213 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -26,6 +26,8 @@ config SOC_HAS_OMAP2_SDRC config SOC_HAS_REALTIME_COUNTER bool "Real time free running counter" + depends on SOC_OMAP5 + default y config ARCH_OMAP2 bool "TI OMAP2" @@ -79,7 +81,6 @@ config SOC_OMAP5 select ARM_GIC select CPU_V7 select HAVE_SMP - select SOC_HAS_REALTIME_COUNTER select COMMON_CLK comment "OMAP Core Type" diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index 7b201546834d..bb73afc9ac17 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -157,6 +157,7 @@ static struct omap_dss_device sdp3430_lcd_device = { static struct tfp410_platform_data dvi_panel = { .power_down_gpio = -1, + .i2c_bus_num = -1, }; static struct omap_dss_device sdp3430_dvi_device = { diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c index 4be58fd071f6..f81a303b87ff 100644 --- a/arch/arm/mach-omap2/board-am3517evm.c +++ b/arch/arm/mach-omap2/board-am3517evm.c @@ -208,6 +208,7 @@ static struct omap_dss_device am3517_evm_tv_device = { static struct tfp410_platform_data dvi_panel = { .power_down_gpio = -1, + .i2c_bus_num = -1, }; static struct omap_dss_device am3517_evm_dvi_device = { diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c index c8e37dc00892..b3102c2f4a3c 100644 --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c @@ -241,6 +241,7 @@ static struct omap_dss_device cm_t35_lcd_device = { static struct tfp410_platform_data dvi_panel = { .power_down_gpio = CM_T35_DVI_EN_GPIO, + .i2c_bus_num = -1, }; static struct omap_dss_device cm_t35_dvi_device = { diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index 7667eb749522..12865af25d3a 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -141,6 +141,7 @@ static struct omap_dss_device devkit8000_lcd_device = { static struct tfp410_platform_data dvi_panel = { .power_down_gpio = -1, + .i2c_bus_num = 1, }; static struct omap_dss_device devkit8000_dvi_device = { diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index 9a3878ec2256..3be1311f9e33 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -27,14 +27,12 @@ #include <linux/io.h> #include <linux/input/matrix_keypad.h> #include <linux/mfd/menelaus.h> +#include <linux/omap-dma.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <linux/omap-dma.h> -#include <plat/debug-devices.h> - #include <video/omapdss.h> #include <video/omap-panel-generic-dpi.h> @@ -42,11 +40,9 @@ #include "mux.h" #include "control.h" #include "gpmc.h" +#include "gpmc-smc91x.h" #define H4_FLASH_CS 0 -#define H4_SMC91X_CS 1 - -#define H4_ETHR_GPIO_IRQ 92 #if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE) static const uint32_t board_matrix_keys[] = { @@ -250,71 +246,31 @@ static u32 is_gpmc_muxed(void) return 0; } -static inline void __init h4_init_debug(void) -{ - int eth_cs; - unsigned long cs_mem_base; - unsigned int muxed, rate; - struct clk *gpmc_fck; - - eth_cs = H4_SMC91X_CS; +#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE) - gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */ - if (IS_ERR(gpmc_fck)) { - WARN_ON(1); - return; - } - - clk_prepare_enable(gpmc_fck); - rate = clk_get_rate(gpmc_fck); - clk_disable_unprepare(gpmc_fck); - clk_put(gpmc_fck); +static struct omap_smc91x_platform_data board_smc91x_data = { + .cs = 1, + .gpio_irq = 92, + .flags = GPMC_TIMINGS_SMC91C96 | IORESOURCE_IRQ_LOWLEVEL, +}; +static void __init board_smc91x_init(void) +{ if (is_gpmc_muxed()) - muxed = 0x200; - else - muxed = 0; - - /* Make sure CS1 timings are correct */ - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, - 0x00011000 | muxed); - - if (rate >= 160000000) { - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01); - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803); - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a); - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); - } else if (rate >= 130000000) { - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F); - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4); - } else {/* rate = 100000000 */ - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00); - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802); - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09); - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F); - gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2); - } - - if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) { - printk(KERN_ERR "Failed to request GPMC mem for smc91x\n"); - goto out; - } + board_smc91x_data.flags |= GPMC_MUX_ADD_DATA; - udelay(100); + omap_mux_init_gpio(board_smc91x_data.gpio_irq, OMAP_PIN_INPUT); + gpmc_smc91x_init(&board_smc91x_data); +} - omap_mux_init_gpio(92, 0); - if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0) - gpmc_cs_free(eth_cs); +#else -out: - clk_disable_unprepare(gpmc_fck); - clk_put(gpmc_fck); +static inline void board_smc91x_init(void) +{ } +#endif + static void __init h4_init_flash(void) { unsigned long base; @@ -371,6 +327,7 @@ static void __init omap_h4_init(void) omap_serial_init(); omap_sdrc_init(NULL, NULL); h4_init_flash(); + board_smc91x_init(); omap_display_init(&h4_dss_data); } diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 54647d6286b4..3985f35aee06 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -240,6 +240,7 @@ static struct omap_dss_device omap3_evm_tv_device = { static struct tfp410_platform_data dvi_panel = { .power_down_gpio = OMAP3EVM_DVI_PANEL_EN_GPIO, + .i2c_bus_num = -1, }; static struct omap_dss_device omap3_evm_dvi_device = { diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c index d8638b3b4f94..53a6cbcf9747 100644 --- a/arch/arm/mach-omap2/board-omap3stalker.c +++ b/arch/arm/mach-omap2/board-omap3stalker.c @@ -118,6 +118,7 @@ static struct omap_dss_device omap3_stalker_tv_device = { static struct tfp410_platform_data dvi_panel = { .power_down_gpio = DSS_ENABLE_GPIO, + .i2c_bus_num = -1, }; static struct omap_dss_device omap3_stalker_dvi_device = { diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index 60529e0b3d67..cf07e289b4ea 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -256,6 +256,11 @@ static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = { }, }; +static struct platform_device rx51_battery_device = { + .name = "rx51-battery", + .id = -1, +}; + static void rx51_charger_set_power(bool on) { gpio_set_value(RX51_USB_TRANSCEIVER_RST_GPIO, on); @@ -277,6 +282,7 @@ static void __init rx51_charger_init(void) WARN_ON(gpio_request_one(RX51_USB_TRANSCEIVER_RST_GPIO, GPIOF_OUT_INIT_HIGH, "isp1704_reset")); + platform_device_register(&rx51_battery_device); platform_device_register(&rx51_charger_device); } diff --git a/arch/arm/mach-omap2/cclock44xx_data.c b/arch/arm/mach-omap2/cclock44xx_data.c index aa56c3e5bb34..5789a5e25563 100644 --- a/arch/arm/mach-omap2/cclock44xx_data.c +++ b/arch/arm/mach-omap2/cclock44xx_data.c @@ -40,6 +40,14 @@ #define OMAP4430_MODULEMODE_HWCTRL_SHIFT 0 #define OMAP4430_MODULEMODE_SWCTRL_SHIFT 1 +/* + * OMAP4 ABE DPLL default frequency. In OMAP4460 TRM version V, section + * "3.6.3.2.3 CM1_ABE Clock Generator" states that the "DPLL_ABE_X2_CLK + * must be set to 196.608 MHz" and hence, the DPLL locked frequency is + * half of this value. + */ +#define OMAP4_DPLL_ABE_DEFFREQ 98304000 + /* Root clocks */ DEFINE_CLK_FIXED_RATE(extalt_clkin_ck, CLK_IS_ROOT, 59000000, 0x0); @@ -124,6 +132,8 @@ static struct dpll_data dpll_abe_dd = { .enable_mask = OMAP4430_DPLL_EN_MASK, .autoidle_mask = OMAP4430_AUTO_DPLL_MODE_MASK, .idlest_mask = OMAP4430_ST_DPLL_CLK_MASK, + .m4xen_mask = OMAP4430_DPLL_REGM4XEN_MASK, + .lpmode_mask = OMAP4430_DPLL_LPMODE_EN_MASK, .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, @@ -233,7 +243,7 @@ static struct dpll_data dpll_core_dd = { static const char *dpll_core_ck_parents[] = { - "sys_clkin_ck", + "sys_clkin_ck", "core_hsd_byp_clk_mux_ck" }; static struct clk dpll_core_ck; @@ -286,9 +296,9 @@ DEFINE_CLK_DIVIDER(div_core_ck, "dpll_core_m5x2_ck", &dpll_core_m5x2_ck, 0x0, OMAP4430_CM_CLKSEL_CORE, OMAP4430_CLKSEL_CORE_SHIFT, OMAP4430_CLKSEL_CORE_WIDTH, 0x0, NULL); -DEFINE_CLK_OMAP_HSDIVIDER(div_iva_hs_clk, "dpll_core_m5x2_ck", - &dpll_core_m5x2_ck, 0x0, OMAP4430_CM_BYPCLK_DPLL_IVA, - OMAP4430_CLKSEL_0_1_MASK); +DEFINE_CLK_DIVIDER(div_iva_hs_clk, "dpll_core_m5x2_ck", &dpll_core_m5x2_ck, + 0x0, OMAP4430_CM_BYPCLK_DPLL_IVA, OMAP4430_CLKSEL_0_1_SHIFT, + OMAP4430_CLKSEL_0_1_WIDTH, CLK_DIVIDER_POWER_OF_TWO, NULL); DEFINE_CLK_DIVIDER(div_mpu_hs_clk, "dpll_core_m5x2_ck", &dpll_core_m5x2_ck, 0x0, OMAP4430_CM_BYPCLK_DPLL_MPU, OMAP4430_CLKSEL_0_1_SHIFT, @@ -363,8 +373,21 @@ static struct dpll_data dpll_iva_dd = { .min_divider = 1, }; +static const char *dpll_iva_ck_parents[] = { + "sys_clkin_ck", "iva_hsd_byp_clk_mux_ck" +}; + static struct clk dpll_iva_ck; +static const struct clk_ops dpll_ck_ops = { + .enable = &omap3_noncore_dpll_enable, + .disable = &omap3_noncore_dpll_disable, + .recalc_rate = &omap3_dpll_recalc, + .round_rate = &omap2_dpll_round_rate, + .set_rate = &omap3_noncore_dpll_set_rate, + .get_parent = &omap2_init_dpll_parent, +}; + static struct clk_hw_omap dpll_iva_ck_hw = { .hw = { .clk = &dpll_iva_ck, @@ -373,7 +396,7 @@ static struct clk_hw_omap dpll_iva_ck_hw = { .ops = &clkhwops_omap3_dpll, }; -DEFINE_STRUCT_CLK(dpll_iva_ck, dpll_core_ck_parents, dpll_abe_ck_ops); +DEFINE_STRUCT_CLK(dpll_iva_ck, dpll_iva_ck_parents, dpll_ck_ops); static const char *dpll_iva_x2_ck_parents[] = { "dpll_iva_ck", @@ -416,6 +439,10 @@ static struct dpll_data dpll_mpu_dd = { .min_divider = 1, }; +static const char *dpll_mpu_ck_parents[] = { + "sys_clkin_ck", "div_mpu_hs_clk" +}; + static struct clk dpll_mpu_ck; static struct clk_hw_omap dpll_mpu_ck_hw = { @@ -426,7 +453,7 @@ static struct clk_hw_omap dpll_mpu_ck_hw = { .ops = &clkhwops_omap3_dpll, }; -DEFINE_STRUCT_CLK(dpll_mpu_ck, dpll_core_ck_parents, dpll_abe_ck_ops); +DEFINE_STRUCT_CLK(dpll_mpu_ck, dpll_mpu_ck_parents, dpll_ck_ops); DEFINE_CLK_FIXED_FACTOR(mpu_periphclk, "dpll_mpu_ck", &dpll_mpu_ck, 0x0, 1, 2); @@ -464,6 +491,9 @@ static struct dpll_data dpll_per_dd = { .min_divider = 1, }; +static const char *dpll_per_ck_parents[] = { + "sys_clkin_ck", "per_hsd_byp_clk_mux_ck" +}; static struct clk dpll_per_ck; @@ -475,7 +505,7 @@ static struct clk_hw_omap dpll_per_ck_hw = { .ops = &clkhwops_omap3_dpll, }; -DEFINE_STRUCT_CLK(dpll_per_ck, dpll_core_ck_parents, dpll_abe_ck_ops); +DEFINE_STRUCT_CLK(dpll_per_ck, dpll_per_ck_parents, dpll_ck_ops); DEFINE_CLK_DIVIDER(dpll_per_m2_ck, "dpll_per_ck", &dpll_per_ck, 0x0, OMAP4430_CM_DIV_M2_DPLL_PER, OMAP4430_DPLL_CLKOUT_DIV_SHIFT, @@ -559,6 +589,10 @@ static struct dpll_data dpll_usb_dd = { .min_divider = 1, }; +static const char *dpll_usb_ck_parents[] = { + "sys_clkin_ck", "usb_hs_clk_div_ck" +}; + static struct clk dpll_usb_ck; static struct clk_hw_omap dpll_usb_ck_hw = { @@ -569,7 +603,7 @@ static struct clk_hw_omap dpll_usb_ck_hw = { .ops = &clkhwops_omap3_dpll, }; -DEFINE_STRUCT_CLK(dpll_usb_ck, dpll_core_ck_parents, dpll_abe_ck_ops); +DEFINE_STRUCT_CLK(dpll_usb_ck, dpll_usb_ck_parents, dpll_ck_ops); static const char *dpll_usb_clkdcoldo_ck_parents[] = { "dpll_usb_ck", @@ -696,9 +730,13 @@ DEFINE_CLK_DIVIDER(syc_clk_div_ck, "sys_clkin_ck", &sys_clkin_ck, 0x0, OMAP4430_CM_ABE_DSS_SYS_CLKSEL, OMAP4430_CLKSEL_0_0_SHIFT, OMAP4430_CLKSEL_0_0_WIDTH, 0x0, NULL); +static const char *dbgclk_mux_ck_parents[] = { + "sys_clkin_ck" +}; + static struct clk dbgclk_mux_ck; DEFINE_STRUCT_CLK_HW_OMAP(dbgclk_mux_ck, NULL); -DEFINE_STRUCT_CLK(dbgclk_mux_ck, dpll_core_ck_parents, +DEFINE_STRUCT_CLK(dbgclk_mux_ck, dbgclk_mux_ck_parents, dpll_usb_clkdcoldo_ck_ops); /* Leaf clocks controlled by modules */ @@ -1935,10 +1973,10 @@ static struct omap_clk omap44xx_clks[] = { CLK("4803e000.timer", "timer_sys_ck", &sys_clkin_ck, CK_443X), CLK("48086000.timer", "timer_sys_ck", &sys_clkin_ck, CK_443X), CLK("48088000.timer", "timer_sys_ck", &sys_clkin_ck, CK_443X), - CLK("49038000.timer", "timer_sys_ck", &syc_clk_div_ck, CK_443X), - CLK("4903a000.timer", "timer_sys_ck", &syc_clk_div_ck, CK_443X), - CLK("4903c000.timer", "timer_sys_ck", &syc_clk_div_ck, CK_443X), - CLK("4903e000.timer", "timer_sys_ck", &syc_clk_div_ck, CK_443X), + CLK("40138000.timer", "timer_sys_ck", &syc_clk_div_ck, CK_443X), + CLK("4013a000.timer", "timer_sys_ck", &syc_clk_div_ck, CK_443X), + CLK("4013c000.timer", "timer_sys_ck", &syc_clk_div_ck, CK_443X), + CLK("4013e000.timer", "timer_sys_ck", &syc_clk_div_ck, CK_443X), CLK(NULL, "cpufreq_ck", &dpll_mpu_ck, CK_443X), }; @@ -1955,6 +1993,7 @@ int __init omap4xxx_clk_init(void) { u32 cpu_clkflg; struct omap_clk *c; + int rc; if (cpu_is_omap443x()) { cpu_mask = RATE_IN_4430; @@ -1983,5 +2022,18 @@ int __init omap4xxx_clk_init(void) omap2_clk_enable_init_clocks(enable_init_clks, ARRAY_SIZE(enable_init_clks)); + /* + * On OMAP4460 the ABE DPLL fails to turn on if in idle low-power + * state when turning the ABE clock domain. Workaround this by + * locking the ABE DPLL on boot. + */ + if (cpu_is_omap446x()) { + rc = clk_set_parent(&abe_dpll_refclk_mux_ck, &sys_32k_ck); + if (!rc) + rc = clk_set_rate(&dpll_abe_ck, OMAP4_DPLL_ABE_DEFFREQ); + if (rc) + pr_err("%s: failed to configure ABE DPLL!\n", __func__); + } + return 0; } diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h index 9917f793c3b6..b40204837bd7 100644 --- a/arch/arm/mach-omap2/clock.h +++ b/arch/arm/mach-omap2/clock.h @@ -195,6 +195,10 @@ struct clksel { * @enable_mask: mask of the DPLL mode bitfield in @control_reg * @last_rounded_rate: cache of the last rate result of omap2_dpll_round_rate() * @last_rounded_m: cache of the last M result of omap2_dpll_round_rate() + * @last_rounded_m4xen: cache of the last M4X result of + * omap4_dpll_regm4xen_round_rate() + * @last_rounded_lpmode: cache of the last lpmode result of + * omap4_dpll_lpmode_recalc() * @max_multiplier: maximum valid non-bypass multiplier value (actual) * @last_rounded_n: cache of the last N result of omap2_dpll_round_rate() * @min_divider: minimum valid non-bypass divider value (actual) @@ -205,6 +209,8 @@ struct clksel { * @autoidle_mask: mask of the DPLL autoidle mode bitfield in @autoidle_reg * @freqsel_mask: mask of the DPLL jitter correction bitfield in @control_reg * @idlest_mask: mask of the DPLL idle status bitfield in @idlest_reg + * @lpmode_mask: mask of the DPLL low-power mode bitfield in @control_reg + * @m4xen_mask: mask of the DPLL M4X multiplier bitfield in @control_reg * @auto_recal_bit: bitshift of the driftguard enable bit in @control_reg * @recal_en_bit: bitshift of the PRM_IRQENABLE_* bit for recalibration IRQs * @recal_st_bit: bitshift of the PRM_IRQSTATUS_* bit for recalibration IRQs @@ -233,6 +239,8 @@ struct dpll_data { u32 enable_mask; unsigned long last_rounded_rate; u16 last_rounded_m; + u8 last_rounded_m4xen; + u8 last_rounded_lpmode; u16 max_multiplier; u8 last_rounded_n; u8 min_divider; @@ -245,6 +253,8 @@ struct dpll_data { u32 idlest_mask; u32 dco_mask; u32 sddiv_mask; + u32 lpmode_mask; + u32 m4xen_mask; u8 auto_recal_bit; u8 recal_en_bit; u8 recal_st_bit; diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index 384873580b23..7faf82d4e85c 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -998,7 +998,8 @@ int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk) spin_lock_irqsave(&clkdm->lock, flags); /* corner case: disabling unused clocks */ - if (__clk_get_enable_count(clk) == 0) + if ((__clk_get_enable_count(clk) == 0) && + (atomic_read(&clkdm->usecount) == 0)) goto ccd_exit; if (atomic_read(&clkdm->usecount) == 0) { diff --git a/arch/arm/mach-omap2/common.c b/arch/arm/mach-omap2/common.c index 5c2fd4863b2b..2dabb9ecb986 100644 --- a/arch/arm/mach-omap2/common.c +++ b/arch/arm/mach-omap2/common.c @@ -16,8 +16,6 @@ #include <linux/init.h> #include <linux/platform_data/dsp-omap.h> -#include <plat/vram.h> - #include "common.h" #include "omap-secure.h" @@ -32,7 +30,6 @@ int __weak omap_secure_ram_reserve_memblock(void) void __init omap_reserve(void) { - omap_vram_reserve_sdram_memblock(); omap_dsp_reserve_sdram_memblock(); omap_secure_ram_reserve_memblock(); omap_barrier_reserve_memblock(); diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c index bca7a8885703..22590dbe8f14 100644 --- a/arch/arm/mach-omap2/cpuidle34xx.c +++ b/arch/arm/mach-omap2/cpuidle34xx.c @@ -40,6 +40,8 @@ struct omap3_idle_statedata { u32 core_state; }; +static struct powerdomain *mpu_pd, *core_pd, *per_pd, *cam_pd; + static struct omap3_idle_statedata omap3_idle_data[] = { { .mpu_state = PWRDM_POWER_ON, @@ -71,7 +73,7 @@ static struct omap3_idle_statedata omap3_idle_data[] = { }, }; -static struct powerdomain *mpu_pd, *core_pd, *per_pd, *cam_pd; +/* Private functions */ static int __omap3_enter_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, @@ -260,11 +262,11 @@ static int omap3_enter_idle_bm(struct cpuidle_device *dev, return ret; } -DEFINE_PER_CPU(struct cpuidle_device, omap3_idle_dev); +static DEFINE_PER_CPU(struct cpuidle_device, omap3_idle_dev); -struct cpuidle_driver omap3_idle_driver = { - .name = "omap3_idle", - .owner = THIS_MODULE, +static struct cpuidle_driver omap3_idle_driver = { + .name = "omap3_idle", + .owner = THIS_MODULE, .states = { { .enter = omap3_enter_idle_bm, @@ -327,6 +329,8 @@ struct cpuidle_driver omap3_idle_driver = { .safe_state_index = 0, }; +/* Public functions */ + /** * omap3_idle_init - Init routine for OMAP3 idle * diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c index 288bee6cbb76..d639aef0deda 100644 --- a/arch/arm/mach-omap2/cpuidle44xx.c +++ b/arch/arm/mach-omap2/cpuidle44xx.c @@ -54,6 +54,8 @@ static struct clockdomain *cpu_clkdm[NR_CPUS]; static atomic_t abort_barrier; static bool cpu_done[NR_CPUS]; +/* Private functions */ + /** * omap4_enter_idle_coupled_[simple/coupled] - OMAP4 cpuidle entry functions * @dev: cpuidle device @@ -161,9 +163,19 @@ fail: return index; } -DEFINE_PER_CPU(struct cpuidle_device, omap4_idle_dev); +/* + * For each cpu, setup the broadcast timer because local timers + * stops for the states above C1. + */ +static void omap_setup_broadcast_timer(void *arg) +{ + int cpu = smp_processor_id(); + clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ON, &cpu); +} + +static DEFINE_PER_CPU(struct cpuidle_device, omap4_idle_dev); -struct cpuidle_driver omap4_idle_driver = { +static struct cpuidle_driver omap4_idle_driver = { .name = "omap4_idle", .owner = THIS_MODULE, .en_core_tk_irqen = 1, @@ -178,7 +190,7 @@ struct cpuidle_driver omap4_idle_driver = { .desc = "MPUSS ON" }, { - /* C2 - CPU0 OFF + CPU1 OFF + MPU CSWR */ + /* C2 - CPU0 OFF + CPU1 OFF + MPU CSWR */ .exit_latency = 328 + 440, .target_residency = 960, .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_COUPLED, @@ -200,15 +212,7 @@ struct cpuidle_driver omap4_idle_driver = { .safe_state_index = 0, }; -/* - * For each cpu, setup the broadcast timer because local timers - * stops for the states above C1. - */ -static void omap_setup_broadcast_timer(void *arg) -{ - int cpu = smp_processor_id(); - clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ON, &cpu); -} +/* Public functions */ /** * omap4_idle_init - Init routine for OMAP4 idle diff --git a/arch/arm/mach-omap2/dpll3xxx.c b/arch/arm/mach-omap2/dpll3xxx.c index fafb28c0dcbc..2bb18838cba9 100644 --- a/arch/arm/mach-omap2/dpll3xxx.c +++ b/arch/arm/mach-omap2/dpll3xxx.c @@ -291,16 +291,13 @@ static void _lookup_sddiv(struct clk_hw_omap *clk, u8 *sd_div, u16 m, u8 n) /* * _omap3_noncore_dpll_program - set non-core DPLL M,N values directly - * @clk: struct clk * of DPLL to set - * @m: DPLL multiplier to set - * @n: DPLL divider to set - * @freqsel: FREQSEL value to set + * @clk: struct clk * of DPLL to set + * @freqsel: FREQSEL value to set * - * Program the DPLL with the supplied M, N values, and wait for the DPLL to - * lock.. Returns -EINVAL upon error, or 0 upon success. + * Program the DPLL with the last M, N values calculated, and wait for + * the DPLL to lock. Returns -EINVAL upon error, or 0 upon success. */ -static int omap3_noncore_dpll_program(struct clk_hw_omap *clk, u16 m, u8 n, - u16 freqsel) +static int omap3_noncore_dpll_program(struct clk_hw_omap *clk, u16 freqsel) { struct dpll_data *dd = clk->dpll_data; u8 dco, sd_div; @@ -323,23 +320,45 @@ static int omap3_noncore_dpll_program(struct clk_hw_omap *clk, u16 m, u8 n, /* Set DPLL multiplier, divider */ v = __raw_readl(dd->mult_div1_reg); v &= ~(dd->mult_mask | dd->div1_mask); - v |= m << __ffs(dd->mult_mask); - v |= (n - 1) << __ffs(dd->div1_mask); + v |= dd->last_rounded_m << __ffs(dd->mult_mask); + v |= (dd->last_rounded_n - 1) << __ffs(dd->div1_mask); /* Configure dco and sd_div for dplls that have these fields */ if (dd->dco_mask) { - _lookup_dco(clk, &dco, m, n); + _lookup_dco(clk, &dco, dd->last_rounded_m, dd->last_rounded_n); v &= ~(dd->dco_mask); v |= dco << __ffs(dd->dco_mask); } if (dd->sddiv_mask) { - _lookup_sddiv(clk, &sd_div, m, n); + _lookup_sddiv(clk, &sd_div, dd->last_rounded_m, + dd->last_rounded_n); v &= ~(dd->sddiv_mask); v |= sd_div << __ffs(dd->sddiv_mask); } __raw_writel(v, dd->mult_div1_reg); + /* Set 4X multiplier and low-power mode */ + if (dd->m4xen_mask || dd->lpmode_mask) { + v = __raw_readl(dd->control_reg); + + if (dd->m4xen_mask) { + if (dd->last_rounded_m4xen) + v |= dd->m4xen_mask; + else + v &= ~dd->m4xen_mask; + } + + if (dd->lpmode_mask) { + if (dd->last_rounded_lpmode) + v |= dd->lpmode_mask; + else + v &= ~dd->lpmode_mask; + } + + __raw_writel(v, dd->control_reg); + } + /* We let the clock framework set the other output dividers later */ /* REVISIT: Set ramp-up delay? */ @@ -492,8 +511,7 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate, pr_debug("%s: %s: set rate: locking rate to %lu.\n", __func__, __clk_get_name(hw->clk), rate); - ret = omap3_noncore_dpll_program(clk, dd->last_rounded_m, - dd->last_rounded_n, freqsel); + ret = omap3_noncore_dpll_program(clk, freqsel); if (!ret) new_parent = dd->clk_ref; } diff --git a/arch/arm/mach-omap2/dpll44xx.c b/arch/arm/mach-omap2/dpll44xx.c index d3326c474fdc..d28b0f726715 100644 --- a/arch/arm/mach-omap2/dpll44xx.c +++ b/arch/arm/mach-omap2/dpll44xx.c @@ -20,6 +20,15 @@ #include "clock44xx.h" #include "cm-regbits-44xx.h" +/* + * Maximum DPLL input frequency (FINT) and output frequency (FOUT) that + * can supported when using the DPLL low-power mode. Frequencies are + * defined in OMAP4430/60 Public TRM section 3.6.3.3.2 "Enable Control, + * Status, and Low-Power Operation Mode". + */ +#define OMAP4_DPLL_LP_FINT_MAX 1000000 +#define OMAP4_DPLL_LP_FOUT_MAX 100000000 + /* Supported only on OMAP4 */ int omap4_dpllmx_gatectrl_read(struct clk_hw_omap *clk) { @@ -82,6 +91,31 @@ const struct clk_hw_omap_ops clkhwops_omap4_dpllmx = { }; /** + * omap4_dpll_lpmode_recalc - compute DPLL low-power setting + * @dd: pointer to the dpll data structure + * + * Calculates if low-power mode can be enabled based upon the last + * multiplier and divider values calculated. If low-power mode can be + * enabled, then the bit to enable low-power mode is stored in the + * last_rounded_lpmode variable. This implementation is based upon the + * criteria for enabling low-power mode as described in the OMAP4430/60 + * Public TRM section 3.6.3.3.2 "Enable Control, Status, and Low-Power + * Operation Mode". + */ +static void omap4_dpll_lpmode_recalc(struct dpll_data *dd) +{ + long fint, fout; + + fint = __clk_get_rate(dd->clk_ref) / (dd->last_rounded_n + 1); + fout = fint * dd->last_rounded_m; + + if ((fint < OMAP4_DPLL_LP_FINT_MAX) && (fout < OMAP4_DPLL_LP_FOUT_MAX)) + dd->last_rounded_lpmode = 1; + else + dd->last_rounded_lpmode = 0; +} + +/** * omap4_dpll_regm4xen_recalc - compute DPLL rate, considering REGM4XEN bit * @clk: struct clk * of the DPLL to compute the rate for * @@ -130,7 +164,6 @@ long omap4_dpll_regm4xen_round_rate(struct clk_hw *hw, unsigned long *parent_rate) { struct clk_hw_omap *clk = to_clk_hw_omap(hw); - u32 v; struct dpll_data *dd; long r; @@ -139,18 +172,31 @@ long omap4_dpll_regm4xen_round_rate(struct clk_hw *hw, dd = clk->dpll_data; - /* regm4xen adds a multiplier of 4 to DPLL calculations */ - v = __raw_readl(dd->control_reg) & OMAP4430_DPLL_REGM4XEN_MASK; - - if (v) - target_rate = target_rate / OMAP4430_REGM4XEN_MULT; + dd->last_rounded_m4xen = 0; + /* + * First try to compute the DPLL configuration for + * target rate without using the 4X multiplier. + */ r = omap2_dpll_round_rate(hw, target_rate, NULL); + if (r != ~0) + goto out; + + /* + * If we did not find a valid DPLL configuration, try again, but + * this time see if using the 4X multiplier can help. Enabling the + * 4X multiplier is equivalent to dividing the target rate by 4. + */ + r = omap2_dpll_round_rate(hw, target_rate / OMAP4430_REGM4XEN_MULT, + NULL); if (r == ~0) return r; - if (v) - clk->dpll_data->last_rounded_rate *= OMAP4430_REGM4XEN_MULT; + dd->last_rounded_rate *= OMAP4430_REGM4XEN_MULT; + dd->last_rounded_m4xen = 1; + +out: + omap4_dpll_lpmode_recalc(dd); - return clk->dpll_data->last_rounded_rate; + return dd->last_rounded_rate; } diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index 26126343d6ac..6a217c98db54 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -135,10 +135,7 @@ static int __init _omap_mux_init_gpio(struct omap_mux_partition *partition, old_mode = omap_mux_read(partition, gpio_mux->reg_offset); mux_mode = val & ~(OMAP_MUX_NR_MODES - 1); - if (partition->flags & OMAP_MUX_GPIO_IN_MODE3) - mux_mode |= OMAP_MUX_MODE3; - else - mux_mode |= OMAP_MUX_MODE4; + mux_mode |= partition->gpio; pr_debug("%s: Setting signal %s.gpio%i 0x%04x -> 0x%04x\n", __func__, gpio_mux->muxnames[0], gpio, old_mode, mux_mode); omap_mux_write(partition, mux_mode, gpio_mux->reg_offset); @@ -800,7 +797,7 @@ int __init omap_mux_late_init(void) struct omap_mux *m = &e->mux; u16 mode = omap_mux_read(partition, m->reg_offset); - if (OMAP_MODE_GPIO(mode)) + if (OMAP_MODE_GPIO(partition, mode)) continue; #ifndef CONFIG_DEBUG_FS @@ -1065,7 +1062,7 @@ static void __init omap_mux_init_list(struct omap_mux_partition *partition, } #else /* Skip pins that are not muxed as GPIO by bootloader */ - if (!OMAP_MODE_GPIO(omap_mux_read(partition, + if (!OMAP_MODE_GPIO(partition, omap_mux_read(partition, superset->reg_offset))) { superset++; continue; @@ -1132,6 +1129,7 @@ int __init omap_mux_init(const char *name, u32 flags, partition->name = name; partition->flags = flags; + partition->gpio = flags & OMAP_MUX_MODE7; partition->size = mux_size; partition->phys = mux_pbase; partition->base = ioremap(mux_pbase, mux_size); diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h index 76f9b3c2f586..fdb22f14021f 100644 --- a/arch/arm/mach-omap2/mux.h +++ b/arch/arm/mach-omap2/mux.h @@ -58,7 +58,8 @@ #define OMAP_PIN_OFF_INPUT_PULLDOWN (OMAP_OFF_EN | OMAP_OFF_PULL_EN) #define OMAP_PIN_OFF_WAKEUPENABLE OMAP_WAKEUP_EN -#define OMAP_MODE_GPIO(x) (((x) & OMAP_MUX_MODE7) == OMAP_MUX_MODE4) +#define OMAP_MODE_GPIO(partition, x) (((x) & OMAP_MUX_MODE7) == \ + partition->gpio) #define OMAP_MODE_UART(x) (((x) & OMAP_MUX_MODE7) == OMAP_MUX_MODE0) /* Flags for omapX_mux_init */ @@ -79,13 +80,20 @@ /* * omap_mux_init flags definition: * + * OMAP_GPIO_MUX_MODE, bits 0-2: gpio muxing mode, same like pad control + * register which includes values from 0-7. * OMAP_MUX_REG_8BIT: Ensure that access to padconf is done in 8 bits. * The default value is 16 bits. - * OMAP_MUX_GPIO_IN_MODE3: The GPIO is selected in mode3. - * The default is mode4. */ -#define OMAP_MUX_REG_8BIT (1 << 0) -#define OMAP_MUX_GPIO_IN_MODE3 (1 << 1) +#define OMAP_MUX_GPIO_IN_MODE0 OMAP_MUX_MODE0 +#define OMAP_MUX_GPIO_IN_MODE1 OMAP_MUX_MODE1 +#define OMAP_MUX_GPIO_IN_MODE2 OMAP_MUX_MODE2 +#define OMAP_MUX_GPIO_IN_MODE3 OMAP_MUX_MODE3 +#define OMAP_MUX_GPIO_IN_MODE4 OMAP_MUX_MODE4 +#define OMAP_MUX_GPIO_IN_MODE5 OMAP_MUX_MODE5 +#define OMAP_MUX_GPIO_IN_MODE6 OMAP_MUX_MODE6 +#define OMAP_MUX_GPIO_IN_MODE7 OMAP_MUX_MODE7 +#define OMAP_MUX_REG_8BIT (1 << 3) /** * struct omap_board_data - board specific device data @@ -105,6 +113,7 @@ struct omap_board_data { * struct mux_partition - contain partition related information * @name: name of the current partition * @flags: flags specific to this partition + * @gpio: gpio mux mode * @phys: physical address * @size: partition size * @base: virtual address after ioremap @@ -114,6 +123,7 @@ struct omap_board_data { struct omap_mux_partition { const char *name; u32 flags; + u32 gpio; u32 phys; u32 size; void __iomem *base; diff --git a/arch/arm/mach-omap2/mux34xx.c b/arch/arm/mach-omap2/mux34xx.c index c47140bbbec4..c53609f46294 100644 --- a/arch/arm/mach-omap2/mux34xx.c +++ b/arch/arm/mach-omap2/mux34xx.c @@ -2053,7 +2053,7 @@ int __init omap3_mux_init(struct omap_board_mux *board_subset, int flags) return -EINVAL; } - return omap_mux_init("core", 0, + return omap_mux_init("core", OMAP_MUX_GPIO_IN_MODE4, OMAP3_CONTROL_PADCONF_MUX_PBASE, OMAP3_CONTROL_PADCONF_MUX_SIZE, omap3_muxmodes, package_subset, board_subset, diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 93d102535c85..04fdbc4c499b 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -27,8 +27,7 @@ #include <linux/pm_runtime.h> #include <linux/console.h> #include <linux/omap-dma.h> - -#include <plat/omap-serial.h> +#include <linux/platform_data/serial-omap.h> #include "common.h" #include "omap_hwmod.h" diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 7016637b531c..06e141543623 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -190,7 +190,7 @@ static struct device_node * __init omap_get_timer_dt(struct of_device_id *match, * kernel registering these devices remove them dynamically from the device * tree on boot. */ -void __init omap_dmtimer_init(void) +static void __init omap_dmtimer_init(void) { struct device_node *np; @@ -210,7 +210,7 @@ void __init omap_dmtimer_init(void) * * Get the timer errata flags that are specific to the OMAP device being used. */ -u32 __init omap_dm_timer_get_errata(void) +static u32 __init omap_dm_timer_get_errata(void) { if (cpu_is_omap24xx()) return 0; @@ -392,7 +392,7 @@ static struct of_device_id omap_counter_match[] __initdata = { }; /* Setup free-running counter for clocksource */ -static int __init omap2_sync32k_clocksource_init(void) +static int __init __maybe_unused omap2_sync32k_clocksource_init(void) { int ret; struct device_node *np = NULL; diff --git a/arch/arm/mach-omap2/usb-host.c b/arch/arm/mach-omap2/usb-host.c index d1dbe125b34f..2e44e8a22884 100644 --- a/arch/arm/mach-omap2/usb-host.c +++ b/arch/arm/mach-omap2/usb-host.c @@ -508,6 +508,10 @@ void __init usbhs_init(const struct usbhs_omap_board_data *pdata) if (cpu_is_omap34xx()) { setup_ehci_io_mux(pdata->port_mode); setup_ohci_io_mux(pdata->port_mode); + + if (omap_rev() <= OMAP3430_REV_ES2_1) + usbhs_data.single_ulpi_bypass = true; + } else if (cpu_is_omap44xx()) { setup_4430ehci_io_mux(pdata->port_mode); setup_4430ohci_io_mux(pdata->port_mode); diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index 0816562725f6..d54cfc54b9fe 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -104,7 +104,7 @@ static __initdata struct tegra_clk_init_table tegra20_clk_init_table[] = { static __initdata struct tegra_clk_init_table tegra30_clk_init_table[] = { /* name parent rate enabled */ { "clk_m", NULL, 0, true }, - { "pll_p", "clk_m", 408000000, true }, + { "pll_p", "pll_ref", 408000000, true }, { "pll_p_out1", "pll_p", 9600000, true }, { "pll_p_out4", "pll_p", 102000000, true }, { "sclk", "pll_p_out4", 102000000, true }, diff --git a/arch/arm/mach-tegra/tegra30_clocks.c b/arch/arm/mach-tegra/tegra30_clocks.c index efc000e32e1c..d7147779f8ea 100644 --- a/arch/arm/mach-tegra/tegra30_clocks.c +++ b/arch/arm/mach-tegra/tegra30_clocks.c @@ -2045,9 +2045,7 @@ struct clk_ops tegra30_periph_clk_ops = { static int tegra30_dsib_clk_set_parent(struct clk_hw *hw, u8 index) { struct clk *d = clk_get_sys(NULL, "pll_d"); - /* The DSIB parent selection bit is in PLLD base - register - can not do direct r-m-w, must be - protected by PLLD lock */ + /* The DSIB parent selection bit is in PLLD base register */ tegra_clk_cfg_ex( d, TEGRA_CLK_PLLD_MIPI_MUX_SEL, index); diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c index 12f3994c43db..4ce77cdc31cc 100644 --- a/arch/arm/mach-u300/core.c +++ b/arch/arm/mach-u300/core.c @@ -27,7 +27,6 @@ #include <linux/mtd/nand.h> #include <linux/mtd/fsmc.h> #include <linux/pinctrl/machine.h> -#include <linux/pinctrl/consumer.h> #include <linux/pinctrl/pinconf-generic.h> #include <linux/dma-mapping.h> #include <linux/platform_data/clk-u300.h> @@ -250,6 +249,18 @@ static struct resource rtc_resources[] = { */ static struct resource fsmc_resources[] = { { + .name = "nand_addr", + .start = U300_NAND_CS0_PHYS_BASE + PLAT_NAND_ALE, + .end = U300_NAND_CS0_PHYS_BASE + PLAT_NAND_ALE + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "nand_cmd", + .start = U300_NAND_CS0_PHYS_BASE + PLAT_NAND_CLE, + .end = U300_NAND_CS0_PHYS_BASE + PLAT_NAND_CLE + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + { .name = "nand_data", .start = U300_NAND_CS0_PHYS_BASE, .end = U300_NAND_CS0_PHYS_BASE + SZ_16K - 1, @@ -1492,8 +1503,6 @@ static struct fsmc_nand_platform_data nand_platform_data = { .nr_partitions = ARRAY_SIZE(u300_partitions), .options = NAND_SKIP_BBTSCAN, .width = FSMC_NAND_BW8, - .ale_off = PLAT_NAND_ALE, - .cle_off = PLAT_NAND_CLE, }; static struct platform_device nand_device = { @@ -1543,39 +1552,6 @@ static struct pinctrl_map __initdata u300_pinmux_map[] = { pin_highz_conf), }; -struct u300_mux_hog { - struct device *dev; - struct pinctrl *p; -}; - -static struct u300_mux_hog u300_mux_hogs[] = { - { - .dev = &uart0_device.dev, - }, - { - .dev = &mmcsd_device.dev, - }, -}; - -static int __init u300_pinctrl_fetch(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(u300_mux_hogs); i++) { - struct pinctrl *p; - - p = pinctrl_get_select_default(u300_mux_hogs[i].dev); - if (IS_ERR(p)) { - pr_err("u300: could not get pinmux hog for dev %s\n", - dev_name(u300_mux_hogs[i].dev)); - continue; - } - u300_mux_hogs[i].p = p; - } - return 0; -} -subsys_initcall(u300_pinctrl_fetch); - /* * Notice that AMBA devices are initialized before platform devices. * diff --git a/arch/arm/mach-ux500/devices-db8500.h b/arch/arm/mach-ux500/devices-db8500.h index 4b24c9992654..a5e05f6e256f 100644 --- a/arch/arm/mach-ux500/devices-db8500.h +++ b/arch/arm/mach-ux500/devices-db8500.h @@ -8,6 +8,7 @@ #ifndef __DEVICES_DB8500_H #define __DEVICES_DB8500_H +#include <linux/platform_data/usb-musb-ux500.h> #include <mach/irqs.h> #include "devices-common.h" diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile index 8d885848600a..9d9aa2f55129 100644 --- a/arch/arm/plat-omap/Makefile +++ b/arch/arm/plat-omap/Makefile @@ -11,7 +11,6 @@ obj- := # omap_device support (OMAP2+ only at the moment) obj-$(CONFIG_OMAP_DM_TIMER) += dmtimer.o -obj-$(CONFIG_OMAP_DEBUG_DEVICES) += debug-devices.o obj-$(CONFIG_OMAP_DEBUG_LEDS) += debug-leds.o i2c-omap-$(CONFIG_I2C_OMAP) := i2c.o obj-y += $(i2c-omap-m) $(i2c-omap-y) diff --git a/arch/arm/plat-omap/debug-devices.c b/arch/arm/plat-omap/debug-devices.c deleted file mode 100644 index a609e2161817..000000000000 --- a/arch/arm/plat-omap/debug-devices.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - * linux/arch/arm/plat-omap/debug-devices.c - * - * Copyright (C) 2005 Nokia Corporation - * Modified from mach-omap2/board-h4.c - * - * 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/gpio.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/io.h> -#include <linux/smc91x.h> - -#include <plat/debug-devices.h> - -/* Many OMAP development platforms reuse the same "debug board"; these - * platforms include H2, H3, H4, and Perseus2. - */ - -static struct smc91x_platdata smc91x_info = { - .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, - .leda = RPC_LED_100_10, - .ledb = RPC_LED_TX_RX, -}; - -static struct resource smc91x_resources[] = { - [0] = { - .flags = IORESOURCE_MEM, - }, - [1] = { - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, - }, -}; - -static struct platform_device smc91x_device = { - .name = "smc91x", - .id = -1, - .dev = { - .platform_data = &smc91x_info, - }, - .num_resources = ARRAY_SIZE(smc91x_resources), - .resource = smc91x_resources, -}; - -static struct resource led_resources[] = { - [0] = { - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device led_device = { - .name = "omap_dbg_led", - .id = -1, - .num_resources = ARRAY_SIZE(led_resources), - .resource = led_resources, -}; - -static struct platform_device *debug_devices[] __initdata = { - &smc91x_device, - &led_device, - /* ps2 kbd + mouse ports */ - /* 4 extra uarts */ - /* 6 input dip switches */ - /* 8 output pins */ -}; - -int __init debug_card_init(u32 addr, unsigned gpio) -{ - int status; - - smc91x_resources[0].start = addr + 0x300; - smc91x_resources[0].end = addr + 0x30f; - - smc91x_resources[1].start = gpio_to_irq(gpio); - smc91x_resources[1].end = gpio_to_irq(gpio); - - status = gpio_request(gpio, "SMC91x irq"); - if (status < 0) { - printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio); - return status; - } - gpio_direction_input(gpio); - - led_resources[0].start = addr; - led_resources[0].end = addr + SZ_4K - 1; - - return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices)); -} diff --git a/arch/arm/plat-omap/include/plat/debug-devices.h b/arch/arm/plat-omap/include/plat/debug-devices.h deleted file mode 100644 index 8fc4287222dd..000000000000 --- a/arch/arm/plat-omap/include/plat/debug-devices.h +++ /dev/null @@ -1,2 +0,0 @@ -/* for TI reference platforms sharing the same debug card */ -extern int debug_card_init(u32 addr, unsigned gpio); diff --git a/arch/cris/include/arch-v10/arch/Kbuild b/arch/cris/include/arch-v10/arch/Kbuild index 7a192e1290b1..1f0fc7a66f5f 100644 --- a/arch/cris/include/arch-v10/arch/Kbuild +++ b/arch/cris/include/arch-v10/arch/Kbuild @@ -1,4 +1 @@ -header-y += user.h -header-y += svinto.h -header-y += sv_addr_ag.h -header-y += sv_addr.agh +# CRISv10 arch diff --git a/arch/cris/include/arch-v32/arch/Kbuild b/arch/cris/include/arch-v32/arch/Kbuild index 35f2fc4f993e..2fd65c7e15c9 100644 --- a/arch/cris/include/arch-v32/arch/Kbuild +++ b/arch/cris/include/arch-v32/arch/Kbuild @@ -1,2 +1 @@ -header-y += user.h -header-y += cryptocop.h +# CRISv32 arch diff --git a/arch/cris/include/arch-v32/arch/cryptocop.h b/arch/cris/include/arch-v32/arch/cryptocop.h index e1cd83dfabb5..716e434e9269 100644 --- a/arch/cris/include/arch-v32/arch/cryptocop.h +++ b/arch/cris/include/arch-v32/arch/cryptocop.h @@ -2,124 +2,12 @@ * The device /dev/cryptocop is accessible using this driver using * CRYPTOCOP_MAJOR (254) and minor number 0. */ - #ifndef CRYPTOCOP_H #define CRYPTOCOP_H -#include <linux/uio.h> - - -#define CRYPTOCOP_SESSION_ID_NONE (0) - -typedef unsigned long long int cryptocop_session_id; - -/* cryptocop ioctls */ -#define ETRAXCRYPTOCOP_IOCTYPE (250) - -#define CRYPTOCOP_IO_CREATE_SESSION _IOWR(ETRAXCRYPTOCOP_IOCTYPE, 1, struct strcop_session_op) -#define CRYPTOCOP_IO_CLOSE_SESSION _IOW(ETRAXCRYPTOCOP_IOCTYPE, 2, struct strcop_session_op) -#define CRYPTOCOP_IO_PROCESS_OP _IOWR(ETRAXCRYPTOCOP_IOCTYPE, 3, struct strcop_crypto_op) -#define CRYPTOCOP_IO_MAXNR (3) - -typedef enum { - cryptocop_cipher_des = 0, - cryptocop_cipher_3des = 1, - cryptocop_cipher_aes = 2, - cryptocop_cipher_m2m = 3, /* mem2mem is essentially a NULL cipher with blocklength=1 */ - cryptocop_cipher_none -} cryptocop_cipher_type; - -typedef enum { - cryptocop_digest_sha1 = 0, - cryptocop_digest_md5 = 1, - cryptocop_digest_none -} cryptocop_digest_type; - -typedef enum { - cryptocop_csum_le = 0, - cryptocop_csum_be = 1, - cryptocop_csum_none -} cryptocop_csum_type; - -typedef enum { - cryptocop_cipher_mode_ecb = 0, - cryptocop_cipher_mode_cbc, - cryptocop_cipher_mode_none -} cryptocop_cipher_mode; - -typedef enum { - cryptocop_3des_eee = 0, - cryptocop_3des_eed = 1, - cryptocop_3des_ede = 2, - cryptocop_3des_edd = 3, - cryptocop_3des_dee = 4, - cryptocop_3des_ded = 5, - cryptocop_3des_dde = 6, - cryptocop_3des_ddd = 7 -} cryptocop_3des_mode; - -/* Usermode accessible (ioctl) operations. */ -struct strcop_session_op{ - cryptocop_session_id ses_id; - - cryptocop_cipher_type cipher; /* AES, DES, 3DES, m2m, none */ - - cryptocop_cipher_mode cmode; /* ECB, CBC, none */ - cryptocop_3des_mode des3_mode; - - cryptocop_digest_type digest; /* MD5, SHA1, none */ - - cryptocop_csum_type csum; /* BE, LE, none */ - - unsigned char *key; - size_t keylen; -}; - -#define CRYPTOCOP_CSUM_LENGTH (2) -#define CRYPTOCOP_MAX_DIGEST_LENGTH (20) /* SHA-1 20, MD5 16 */ -#define CRYPTOCOP_MAX_IV_LENGTH (16) /* (3)DES==8, AES == 16 */ -#define CRYPTOCOP_MAX_KEY_LENGTH (32) - -struct strcop_crypto_op{ - cryptocop_session_id ses_id; - - /* Indata. */ - unsigned char *indata; - size_t inlen; /* Total indata length. */ - - /* Cipher configuration. */ - unsigned char do_cipher:1; - unsigned char decrypt:1; /* 1 == decrypt, 0 == encrypt */ - unsigned char cipher_explicit:1; - size_t cipher_start; - size_t cipher_len; - /* cipher_iv is used if do_cipher and cipher_explicit and the cipher - mode is CBC. The length is controlled by the type of cipher, - e.g. DES/3DES 8 octets and AES 16 octets. */ - unsigned char cipher_iv[CRYPTOCOP_MAX_IV_LENGTH]; - /* Outdata. */ - unsigned char *cipher_outdata; - size_t cipher_outlen; - - /* digest configuration. */ - unsigned char do_digest:1; - size_t digest_start; - size_t digest_len; - /* Outdata. The actual length is determined by the type of the digest. */ - unsigned char digest[CRYPTOCOP_MAX_DIGEST_LENGTH]; - - /* Checksum configuration. */ - unsigned char do_csum:1; - size_t csum_start; - size_t csum_len; - /* Outdata. */ - unsigned char csum[CRYPTOCOP_CSUM_LENGTH]; -}; +#include <uapi/arch-v32/arch/cryptocop.h> - -#ifdef __KERNEL__ - /********** The API to use from inside the kernel. ************/ #include <arch/hwregs/dma.h> @@ -267,6 +155,4 @@ int cryptocop_job_queue_insert_crypto(struct cryptocop_operation *operation); int cryptocop_job_queue_insert_user_job(struct cryptocop_operation *operation); -#endif /* __KERNEL__ */ - #endif /* CRYPTOCOP_H */ diff --git a/arch/cris/include/arch-v32/arch/spinlock.h b/arch/cris/include/arch-v32/arch/spinlock.h index f171a6600fbc..f13275522f4d 100644 --- a/arch/cris/include/arch-v32/arch/spinlock.h +++ b/arch/cris/include/arch-v32/arch/spinlock.h @@ -118,7 +118,7 @@ static inline int arch_write_trylock(arch_rwlock_t *rw) ret = 1; } arch_spin_unlock(&rw->slock); - return 1; + return ret; } #define _raw_read_lock_flags(lock, flags) _raw_read_lock(lock) diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild index 15a122c3767c..f1e79edc9dd2 100644 --- a/arch/cris/include/asm/Kbuild +++ b/arch/cris/include/asm/Kbuild @@ -1,12 +1,7 @@ -include include/asm-generic/Kbuild.asm header-y += arch-v10/ header-y += arch-v32/ -header-y += ethernet.h -header-y += etraxgpio.h -header-y += rs485.h -header-y += sync_serial.h generic-y += clkdev.h generic-y += exec.h diff --git a/arch/cris/include/asm/ptrace.h b/arch/cris/include/asm/ptrace.h index 6618893bfe8e..2de84d7061c7 100644 --- a/arch/cris/include/asm/ptrace.h +++ b/arch/cris/include/asm/ptrace.h @@ -1,9 +1,8 @@ #ifndef _CRIS_PTRACE_H #define _CRIS_PTRACE_H -#include <arch/ptrace.h> +#include <uapi/asm/ptrace.h> -#ifdef __KERNEL__ /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ #define PTRACE_GETREGS 12 @@ -11,6 +10,4 @@ #define profile_pc(regs) instruction_pointer(regs) -#endif /* __KERNEL__ */ - #endif /* _CRIS_PTRACE_H */ diff --git a/arch/cris/include/asm/signal.h b/arch/cris/include/asm/signal.h index 72dbbf59dfae..c0cb1fd4644c 100644 --- a/arch/cris/include/asm/signal.h +++ b/arch/cris/include/asm/signal.h @@ -1,12 +1,8 @@ #ifndef _ASM_CRIS_SIGNAL_H #define _ASM_CRIS_SIGNAL_H -#include <linux/types.h> +#include <uapi/asm/signal.h> -/* Avoid too many header ordering problems. */ -struct siginfo; - -#ifdef __KERNEL__ /* Most things should be clean enough to redefine this at will, if care is taken to make libc match. */ @@ -20,95 +16,6 @@ typedef struct { unsigned long sig[_NSIG_WORDS]; } sigset_t; -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -#define NSIG 32 -typedef unsigned long sigset_t; - -#endif /* __KERNEL__ */ - -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 -#define SIGBUS 7 -#define SIGFPE 8 -#define SIGKILL 9 -#define SIGUSR1 10 -#define SIGSEGV 11 -#define SIGUSR2 12 -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGSTKFLT 16 -#define SIGCHLD 17 -#define SIGCONT 18 -#define SIGSTOP 19 -#define SIGTSTP 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGURG 23 -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGIO 29 -#define SIGPOLL SIGIO -/* -#define SIGLOST 29 -*/ -#define SIGPWR 30 -#define SIGSYS 31 -#define SIGUNUSED 31 - -/* These should not be considered constants from userland. */ -#define SIGRTMIN 32 -#define SIGRTMAX _NSIG - -/* - * SA_FLAGS values: - * - * SA_ONSTACK indicates that a registered stack_t will be used. - * SA_RESTART flag to get restarting signals (which were the default long ago) - * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. - * SA_RESETHAND clears the handler when the signal is delivered. - * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. - * SA_NODEFER prevents the current signal from being masked in the handler. - * - * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single - * Unix names RESETHAND and NODEFER respectively. - */ - -#define SA_NOCLDSTOP 0x00000001u -#define SA_NOCLDWAIT 0x00000002u -#define SA_SIGINFO 0x00000004u -#define SA_ONSTACK 0x08000000u -#define SA_RESTART 0x10000000u -#define SA_NODEFER 0x40000000u -#define SA_RESETHAND 0x80000000u - -#define SA_NOMASK SA_NODEFER -#define SA_ONESHOT SA_RESETHAND - -#define SA_RESTORER 0x04000000 - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 2048 -#define SIGSTKSZ 8192 - -#include <asm-generic/signal-defs.h> - -#ifdef __KERNEL__ struct old_sigaction { __sighandler_t sa_handler; old_sigset_t sa_mask; @@ -126,32 +33,6 @@ struct sigaction { struct k_sigaction { struct sigaction sa; }; -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -struct sigaction { - union { - __sighandler_t _sa_handler; - void (*_sa_sigaction)(int, struct siginfo *, void *); - } _u; - sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -#define sa_handler _u._sa_handler -#define sa_sigaction _u._sa_sigaction - -#endif /* __KERNEL__ */ - -typedef struct sigaltstack { - void *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -#ifdef __KERNEL__ #include <asm/sigcontext.h> -#endif /* __KERNEL__ */ #endif diff --git a/arch/cris/include/asm/swab.h b/arch/cris/include/asm/swab.h index 80668e88419c..991b6ace1ba9 100644 --- a/arch/cris/include/asm/swab.h +++ b/arch/cris/include/asm/swab.h @@ -1,8 +1,7 @@ #ifndef _CRIS_SWAB_H #define _CRIS_SWAB_H -#ifdef __KERNEL__ #include <arch/swab.h> -#endif /* __KERNEL__ */ +#include <uapi/asm/swab.h> #endif /* _CRIS_SWAB_H */ diff --git a/arch/cris/include/asm/termios.h b/arch/cris/include/asm/termios.h index 1265109f4ce3..1991cd9e4083 100644 --- a/arch/cris/include/asm/termios.h +++ b/arch/cris/include/asm/termios.h @@ -1,47 +1,8 @@ #ifndef _CRIS_TERMIOS_H #define _CRIS_TERMIOS_H -#include <asm/termbits.h> -#include <asm/ioctls.h> -#include <asm/rs485.h> -#include <linux/serial.h> +#include <uapi/asm/termios.h> -struct winsize { - unsigned short ws_row; - unsigned short ws_col; - unsigned short ws_xpixel; - unsigned short ws_ypixel; -}; - -#define NCC 8 -struct termio { - unsigned short c_iflag; /* input mode flags */ - unsigned short c_oflag; /* output mode flags */ - unsigned short c_cflag; /* control mode flags */ - unsigned short c_lflag; /* local mode flags */ - unsigned char c_line; /* line discipline */ - unsigned char c_cc[NCC]; /* control characters */ -}; - -/* modem lines */ -#define TIOCM_LE 0x001 -#define TIOCM_DTR 0x002 -#define TIOCM_RTS 0x004 -#define TIOCM_ST 0x008 -#define TIOCM_SR 0x010 -#define TIOCM_CTS 0x020 -#define TIOCM_CAR 0x040 -#define TIOCM_RNG 0x080 -#define TIOCM_DSR 0x100 -#define TIOCM_CD TIOCM_CAR -#define TIOCM_RI TIOCM_RNG -#define TIOCM_OUT1 0x2000 -#define TIOCM_OUT2 0x4000 -#define TIOCM_LOOP 0x8000 - -/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ - -#ifdef __KERNEL__ /* intr=^C quit=^\ erase=del kill=^U eof=^D vtime=\0 vmin=\1 sxtc=\0 @@ -87,6 +48,4 @@ struct termio { #define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios)) #define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios)) -#endif /* __KERNEL__ */ - #endif /* _CRIS_TERMIOS_H */ diff --git a/arch/cris/include/asm/types.h b/arch/cris/include/asm/types.h index adaf82780bb4..a3cac7757c7f 100644 --- a/arch/cris/include/asm/types.h +++ b/arch/cris/include/asm/types.h @@ -1,15 +1,12 @@ #ifndef _ETRAX_TYPES_H #define _ETRAX_TYPES_H -#include <asm-generic/int-ll64.h> +#include <uapi/asm/types.h> /* * These aren't exported outside the kernel to avoid name space clashes */ -#ifdef __KERNEL__ #define BITS_PER_LONG 32 -#endif /* __KERNEL__ */ - #endif diff --git a/arch/cris/include/asm/unistd.h b/arch/cris/include/asm/unistd.h index f27b542e0ebc..89680f9eac0d 100644 --- a/arch/cris/include/asm/unistd.h +++ b/arch/cris/include/asm/unistd.h @@ -1,347 +1,8 @@ #ifndef _ASM_CRIS_UNISTD_H_ #define _ASM_CRIS_UNISTD_H_ -/* - * This file contains the system call numbers, and stub macros for libc. - */ - -#define __NR_restart_syscall 0 -#define __NR_exit 1 -#define __NR_fork 2 -#define __NR_read 3 -#define __NR_write 4 -#define __NR_open 5 -#define __NR_close 6 -#define __NR_waitpid 7 -#define __NR_creat 8 -#define __NR_link 9 -#define __NR_unlink 10 -#define __NR_execve 11 -#define __NR_chdir 12 -#define __NR_time 13 -#define __NR_mknod 14 -#define __NR_chmod 15 -#define __NR_lchown 16 -#define __NR_break 17 -#define __NR_oldstat 18 -#define __NR_lseek 19 -#define __NR_getpid 20 -#define __NR_mount 21 -#define __NR_umount 22 -#define __NR_setuid 23 -#define __NR_getuid 24 -#define __NR_stime 25 -#define __NR_ptrace 26 -#define __NR_alarm 27 -#define __NR_oldfstat 28 -#define __NR_pause 29 -#define __NR_utime 30 -#define __NR_stty 31 -#define __NR_gtty 32 -#define __NR_access 33 -#define __NR_nice 34 -#define __NR_ftime 35 -#define __NR_sync 36 -#define __NR_kill 37 -#define __NR_rename 38 -#define __NR_mkdir 39 -#define __NR_rmdir 40 -#define __NR_dup 41 -#define __NR_pipe 42 -#define __NR_times 43 -#define __NR_prof 44 -#define __NR_brk 45 -#define __NR_setgid 46 -#define __NR_getgid 47 -#define __NR_signal 48 -#define __NR_geteuid 49 -#define __NR_getegid 50 -#define __NR_acct 51 -#define __NR_umount2 52 -#define __NR_lock 53 -#define __NR_ioctl 54 -#define __NR_fcntl 55 -#define __NR_mpx 56 -#define __NR_setpgid 57 -#define __NR_ulimit 58 -#define __NR_oldolduname 59 -#define __NR_umask 60 -#define __NR_chroot 61 -#define __NR_ustat 62 -#define __NR_dup2 63 -#define __NR_getppid 64 -#define __NR_getpgrp 65 -#define __NR_setsid 66 -#define __NR_sigaction 67 -#define __NR_sgetmask 68 -#define __NR_ssetmask 69 -#define __NR_setreuid 70 -#define __NR_setregid 71 -#define __NR_sigsuspend 72 -#define __NR_sigpending 73 -#define __NR_sethostname 74 -#define __NR_setrlimit 75 -#define __NR_getrlimit 76 -#define __NR_getrusage 77 -#define __NR_gettimeofday 78 -#define __NR_settimeofday 79 -#define __NR_getgroups 80 -#define __NR_setgroups 81 -#define __NR_select 82 -#define __NR_symlink 83 -#define __NR_oldlstat 84 -#define __NR_readlink 85 -#define __NR_uselib 86 -#define __NR_swapon 87 -#define __NR_reboot 88 -#define __NR_readdir 89 -#define __NR_mmap 90 -#define __NR_munmap 91 -#define __NR_truncate 92 -#define __NR_ftruncate 93 -#define __NR_fchmod 94 -#define __NR_fchown 95 -#define __NR_getpriority 96 -#define __NR_setpriority 97 -#define __NR_profil 98 -#define __NR_statfs 99 -#define __NR_fstatfs 100 -#define __NR_ioperm 101 -#define __NR_socketcall 102 -#define __NR_syslog 103 -#define __NR_setitimer 104 -#define __NR_getitimer 105 -#define __NR_stat 106 -#define __NR_lstat 107 -#define __NR_fstat 108 -#define __NR_olduname 109 -#define __NR_iopl 110 -#define __NR_vhangup 111 -#define __NR_idle 112 -#define __NR_vm86 113 -#define __NR_wait4 114 -#define __NR_swapoff 115 -#define __NR_sysinfo 116 -#define __NR_ipc 117 -#define __NR_fsync 118 -#define __NR_sigreturn 119 -#define __NR_clone 120 -#define __NR_setdomainname 121 -#define __NR_uname 122 -#define __NR_modify_ldt 123 -#define __NR_adjtimex 124 -#define __NR_mprotect 125 -#define __NR_sigprocmask 126 -#define __NR_create_module 127 -#define __NR_init_module 128 -#define __NR_delete_module 129 -#define __NR_get_kernel_syms 130 -#define __NR_quotactl 131 -#define __NR_getpgid 132 -#define __NR_fchdir 133 -#define __NR_bdflush 134 -#define __NR_sysfs 135 -#define __NR_personality 136 -#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ -#define __NR_setfsuid 138 -#define __NR_setfsgid 139 -#define __NR__llseek 140 -#define __NR_getdents 141 -#define __NR__newselect 142 -#define __NR_flock 143 -#define __NR_msync 144 -#define __NR_readv 145 -#define __NR_writev 146 -#define __NR_getsid 147 -#define __NR_fdatasync 148 -#define __NR__sysctl 149 -#define __NR_mlock 150 -#define __NR_munlock 151 -#define __NR_mlockall 152 -#define __NR_munlockall 153 -#define __NR_sched_setparam 154 -#define __NR_sched_getparam 155 -#define __NR_sched_setscheduler 156 -#define __NR_sched_getscheduler 157 -#define __NR_sched_yield 158 -#define __NR_sched_get_priority_max 159 -#define __NR_sched_get_priority_min 160 -#define __NR_sched_rr_get_interval 161 -#define __NR_nanosleep 162 -#define __NR_mremap 163 -#define __NR_setresuid 164 -#define __NR_getresuid 165 - -#define __NR_query_module 167 -#define __NR_poll 168 -#define __NR_nfsservctl 169 -#define __NR_setresgid 170 -#define __NR_getresgid 171 -#define __NR_prctl 172 -#define __NR_rt_sigreturn 173 -#define __NR_rt_sigaction 174 -#define __NR_rt_sigprocmask 175 -#define __NR_rt_sigpending 176 -#define __NR_rt_sigtimedwait 177 -#define __NR_rt_sigqueueinfo 178 -#define __NR_rt_sigsuspend 179 -#define __NR_pread64 180 -#define __NR_pwrite64 181 -#define __NR_chown 182 -#define __NR_getcwd 183 -#define __NR_capget 184 -#define __NR_capset 185 -#define __NR_sigaltstack 186 -#define __NR_sendfile 187 -#define __NR_getpmsg 188 /* some people actually want streams */ -#define __NR_putpmsg 189 /* some people actually want streams */ -#define __NR_vfork 190 -#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ -#define __NR_mmap2 192 -#define __NR_truncate64 193 -#define __NR_ftruncate64 194 -#define __NR_stat64 195 -#define __NR_lstat64 196 -#define __NR_fstat64 197 -#define __NR_lchown32 198 -#define __NR_getuid32 199 -#define __NR_getgid32 200 -#define __NR_geteuid32 201 -#define __NR_getegid32 202 -#define __NR_setreuid32 203 -#define __NR_setregid32 204 -#define __NR_getgroups32 205 -#define __NR_setgroups32 206 -#define __NR_fchown32 207 -#define __NR_setresuid32 208 -#define __NR_getresuid32 209 -#define __NR_setresgid32 210 -#define __NR_getresgid32 211 -#define __NR_chown32 212 -#define __NR_setuid32 213 -#define __NR_setgid32 214 -#define __NR_setfsuid32 215 -#define __NR_setfsgid32 216 -#define __NR_pivot_root 217 -#define __NR_mincore 218 -#define __NR_madvise 219 -#define __NR_getdents64 220 -#define __NR_fcntl64 221 -/* 223 is unused */ -#define __NR_gettid 224 -#define __NR_readahead 225 -#define __NR_setxattr 226 -#define __NR_lsetxattr 227 -#define __NR_fsetxattr 228 -#define __NR_getxattr 229 -#define __NR_lgetxattr 230 -#define __NR_fgetxattr 231 -#define __NR_listxattr 232 -#define __NR_llistxattr 233 -#define __NR_flistxattr 234 -#define __NR_removexattr 235 -#define __NR_lremovexattr 236 -#define __NR_fremovexattr 237 -#define __NR_tkill 238 -#define __NR_sendfile64 239 -#define __NR_futex 240 -#define __NR_sched_setaffinity 241 -#define __NR_sched_getaffinity 242 -#define __NR_set_thread_area 243 -#define __NR_get_thread_area 244 -#define __NR_io_setup 245 -#define __NR_io_destroy 246 -#define __NR_io_getevents 247 -#define __NR_io_submit 248 -#define __NR_io_cancel 249 -#define __NR_fadvise64 250 -/* 251 is available for reuse (was briefly sys_set_zone_reclaim) */ -#define __NR_exit_group 252 -#define __NR_lookup_dcookie 253 -#define __NR_epoll_create 254 -#define __NR_epoll_ctl 255 -#define __NR_epoll_wait 256 -#define __NR_remap_file_pages 257 -#define __NR_set_tid_address 258 -#define __NR_timer_create 259 -#define __NR_timer_settime (__NR_timer_create+1) -#define __NR_timer_gettime (__NR_timer_create+2) -#define __NR_timer_getoverrun (__NR_timer_create+3) -#define __NR_timer_delete (__NR_timer_create+4) -#define __NR_clock_settime (__NR_timer_create+5) -#define __NR_clock_gettime (__NR_timer_create+6) -#define __NR_clock_getres (__NR_timer_create+7) -#define __NR_clock_nanosleep (__NR_timer_create+8) -#define __NR_statfs64 268 -#define __NR_fstatfs64 269 -#define __NR_tgkill 270 -#define __NR_utimes 271 -#define __NR_fadvise64_64 272 -#define __NR_vserver 273 -#define __NR_mbind 274 -#define __NR_get_mempolicy 275 -#define __NR_set_mempolicy 276 -#define __NR_mq_open 277 -#define __NR_mq_unlink (__NR_mq_open+1) -#define __NR_mq_timedsend (__NR_mq_open+2) -#define __NR_mq_timedreceive (__NR_mq_open+3) -#define __NR_mq_notify (__NR_mq_open+4) -#define __NR_mq_getsetattr (__NR_mq_open+5) -#define __NR_kexec_load 283 -#define __NR_waitid 284 -/* #define __NR_sys_setaltroot 285 */ -#define __NR_add_key 286 -#define __NR_request_key 287 -#define __NR_keyctl 288 -#define __NR_ioprio_set 289 -#define __NR_ioprio_get 290 -#define __NR_inotify_init 291 -#define __NR_inotify_add_watch 292 -#define __NR_inotify_rm_watch 293 -#define __NR_migrate_pages 294 -#define __NR_openat 295 -#define __NR_mkdirat 296 -#define __NR_mknodat 297 -#define __NR_fchownat 298 -#define __NR_futimesat 299 -#define __NR_fstatat64 300 -#define __NR_unlinkat 301 -#define __NR_renameat 302 -#define __NR_linkat 303 -#define __NR_symlinkat 304 -#define __NR_readlinkat 305 -#define __NR_fchmodat 306 -#define __NR_faccessat 307 -#define __NR_pselect6 308 -#define __NR_ppoll 309 -#define __NR_unshare 310 -#define __NR_set_robust_list 311 -#define __NR_get_robust_list 312 -#define __NR_splice 313 -#define __NR_sync_file_range 314 -#define __NR_tee 315 -#define __NR_vmsplice 316 -#define __NR_move_pages 317 -#define __NR_getcpu 318 -#define __NR_epoll_pwait 319 -#define __NR_utimensat 320 -#define __NR_signalfd 321 -#define __NR_timerfd_create 322 -#define __NR_eventfd 323 -#define __NR_fallocate 324 -#define __NR_timerfd_settime 325 -#define __NR_timerfd_gettime 326 -#define __NR_signalfd4 327 -#define __NR_eventfd2 328 -#define __NR_epoll_create1 329 -#define __NR_dup3 330 -#define __NR_pipe2 331 -#define __NR_inotify_init1 332 -#define __NR_preadv 333 -#define __NR_pwritev 334 -#define __NR_setns 335 +#include <uapi/asm/unistd.h> -#ifdef __KERNEL__ #define NR_syscalls 336 @@ -384,5 +45,4 @@ */ #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") -#endif /* __KERNEL__ */ #endif /* _ASM_CRIS_UNISTD_H_ */ diff --git a/arch/cris/include/uapi/arch-v10/arch/Kbuild b/arch/cris/include/uapi/arch-v10/arch/Kbuild index aafaa5aa54d4..9048c87a782b 100644 --- a/arch/cris/include/uapi/arch-v10/arch/Kbuild +++ b/arch/cris/include/uapi/arch-v10/arch/Kbuild @@ -1 +1,5 @@ # UAPI Header export list +header-y += sv_addr.agh +header-y += sv_addr_ag.h +header-y += svinto.h +header-y += user.h diff --git a/arch/cris/include/arch-v10/arch/sv_addr.agh b/arch/cris/include/uapi/arch-v10/arch/sv_addr.agh index 6ac3a7bc9760..6ac3a7bc9760 100644 --- a/arch/cris/include/arch-v10/arch/sv_addr.agh +++ b/arch/cris/include/uapi/arch-v10/arch/sv_addr.agh diff --git a/arch/cris/include/arch-v10/arch/sv_addr_ag.h b/arch/cris/include/uapi/arch-v10/arch/sv_addr_ag.h index 5517f04153a4..5517f04153a4 100644 --- a/arch/cris/include/arch-v10/arch/sv_addr_ag.h +++ b/arch/cris/include/uapi/arch-v10/arch/sv_addr_ag.h diff --git a/arch/cris/include/arch-v10/arch/svinto.h b/arch/cris/include/uapi/arch-v10/arch/svinto.h index da5c15272652..da5c15272652 100644 --- a/arch/cris/include/arch-v10/arch/svinto.h +++ b/arch/cris/include/uapi/arch-v10/arch/svinto.h diff --git a/arch/cris/include/arch-v10/arch/user.h b/arch/cris/include/uapi/arch-v10/arch/user.h index 9303ea77c915..9303ea77c915 100644 --- a/arch/cris/include/arch-v10/arch/user.h +++ b/arch/cris/include/uapi/arch-v10/arch/user.h diff --git a/arch/cris/include/uapi/arch-v32/arch/Kbuild b/arch/cris/include/uapi/arch-v32/arch/Kbuild index aafaa5aa54d4..59efffd16b61 100644 --- a/arch/cris/include/uapi/arch-v32/arch/Kbuild +++ b/arch/cris/include/uapi/arch-v32/arch/Kbuild @@ -1 +1,3 @@ # UAPI Header export list +header-y += cryptocop.h +header-y += user.h diff --git a/arch/cris/include/uapi/arch-v32/arch/cryptocop.h b/arch/cris/include/uapi/arch-v32/arch/cryptocop.h new file mode 100644 index 000000000000..694fd13ce1cf --- /dev/null +++ b/arch/cris/include/uapi/arch-v32/arch/cryptocop.h @@ -0,0 +1,122 @@ +/* + * The device /dev/cryptocop is accessible using this driver using + * CRYPTOCOP_MAJOR (254) and minor number 0. + */ + +#ifndef _UAPICRYPTOCOP_H +#define _UAPICRYPTOCOP_H + +#include <linux/uio.h> + + +#define CRYPTOCOP_SESSION_ID_NONE (0) + +typedef unsigned long long int cryptocop_session_id; + +/* cryptocop ioctls */ +#define ETRAXCRYPTOCOP_IOCTYPE (250) + +#define CRYPTOCOP_IO_CREATE_SESSION _IOWR(ETRAXCRYPTOCOP_IOCTYPE, 1, struct strcop_session_op) +#define CRYPTOCOP_IO_CLOSE_SESSION _IOW(ETRAXCRYPTOCOP_IOCTYPE, 2, struct strcop_session_op) +#define CRYPTOCOP_IO_PROCESS_OP _IOWR(ETRAXCRYPTOCOP_IOCTYPE, 3, struct strcop_crypto_op) +#define CRYPTOCOP_IO_MAXNR (3) + +typedef enum { + cryptocop_cipher_des = 0, + cryptocop_cipher_3des = 1, + cryptocop_cipher_aes = 2, + cryptocop_cipher_m2m = 3, /* mem2mem is essentially a NULL cipher with blocklength=1 */ + cryptocop_cipher_none +} cryptocop_cipher_type; + +typedef enum { + cryptocop_digest_sha1 = 0, + cryptocop_digest_md5 = 1, + cryptocop_digest_none +} cryptocop_digest_type; + +typedef enum { + cryptocop_csum_le = 0, + cryptocop_csum_be = 1, + cryptocop_csum_none +} cryptocop_csum_type; + +typedef enum { + cryptocop_cipher_mode_ecb = 0, + cryptocop_cipher_mode_cbc, + cryptocop_cipher_mode_none +} cryptocop_cipher_mode; + +typedef enum { + cryptocop_3des_eee = 0, + cryptocop_3des_eed = 1, + cryptocop_3des_ede = 2, + cryptocop_3des_edd = 3, + cryptocop_3des_dee = 4, + cryptocop_3des_ded = 5, + cryptocop_3des_dde = 6, + cryptocop_3des_ddd = 7 +} cryptocop_3des_mode; + +/* Usermode accessible (ioctl) operations. */ +struct strcop_session_op{ + cryptocop_session_id ses_id; + + cryptocop_cipher_type cipher; /* AES, DES, 3DES, m2m, none */ + + cryptocop_cipher_mode cmode; /* ECB, CBC, none */ + cryptocop_3des_mode des3_mode; + + cryptocop_digest_type digest; /* MD5, SHA1, none */ + + cryptocop_csum_type csum; /* BE, LE, none */ + + unsigned char *key; + size_t keylen; +}; + +#define CRYPTOCOP_CSUM_LENGTH (2) +#define CRYPTOCOP_MAX_DIGEST_LENGTH (20) /* SHA-1 20, MD5 16 */ +#define CRYPTOCOP_MAX_IV_LENGTH (16) /* (3)DES==8, AES == 16 */ +#define CRYPTOCOP_MAX_KEY_LENGTH (32) + +struct strcop_crypto_op{ + cryptocop_session_id ses_id; + + /* Indata. */ + unsigned char *indata; + size_t inlen; /* Total indata length. */ + + /* Cipher configuration. */ + unsigned char do_cipher:1; + unsigned char decrypt:1; /* 1 == decrypt, 0 == encrypt */ + unsigned char cipher_explicit:1; + size_t cipher_start; + size_t cipher_len; + /* cipher_iv is used if do_cipher and cipher_explicit and the cipher + mode is CBC. The length is controlled by the type of cipher, + e.g. DES/3DES 8 octets and AES 16 octets. */ + unsigned char cipher_iv[CRYPTOCOP_MAX_IV_LENGTH]; + /* Outdata. */ + unsigned char *cipher_outdata; + size_t cipher_outlen; + + /* digest configuration. */ + unsigned char do_digest:1; + size_t digest_start; + size_t digest_len; + /* Outdata. The actual length is determined by the type of the digest. */ + unsigned char digest[CRYPTOCOP_MAX_DIGEST_LENGTH]; + + /* Checksum configuration. */ + unsigned char do_csum:1; + size_t csum_start; + size_t csum_len; + /* Outdata. */ + unsigned char csum[CRYPTOCOP_CSUM_LENGTH]; +}; + + + + +#endif /* _UAPICRYPTOCOP_H */ diff --git a/arch/cris/include/arch-v32/arch/user.h b/arch/cris/include/uapi/arch-v32/arch/user.h index 03fa1f3c3c00..03fa1f3c3c00 100644 --- a/arch/cris/include/arch-v32/arch/user.h +++ b/arch/cris/include/uapi/arch-v32/arch/user.h diff --git a/arch/cris/include/uapi/asm/Kbuild b/arch/cris/include/uapi/asm/Kbuild index f50236ae9ca3..7d47b366ad82 100644 --- a/arch/cris/include/uapi/asm/Kbuild +++ b/arch/cris/include/uapi/asm/Kbuild @@ -3,3 +3,37 @@ include include/uapi/asm-generic/Kbuild.asm header-y += arch-v10/ header-y += arch-v32/ +header-y += auxvec.h +header-y += bitsperlong.h +header-y += byteorder.h +header-y += errno.h +header-y += ethernet.h +header-y += etraxgpio.h +header-y += fcntl.h +header-y += ioctl.h +header-y += ioctls.h +header-y += ipcbuf.h +header-y += mman.h +header-y += msgbuf.h +header-y += param.h +header-y += poll.h +header-y += posix_types.h +header-y += ptrace.h +header-y += resource.h +header-y += rs485.h +header-y += sembuf.h +header-y += setup.h +header-y += shmbuf.h +header-y += sigcontext.h +header-y += siginfo.h +header-y += signal.h +header-y += socket.h +header-y += sockios.h +header-y += stat.h +header-y += statfs.h +header-y += swab.h +header-y += sync_serial.h +header-y += termbits.h +header-y += termios.h +header-y += types.h +header-y += unistd.h diff --git a/arch/cris/include/asm/auxvec.h b/arch/cris/include/uapi/asm/auxvec.h index cb30b01bf19f..cb30b01bf19f 100644 --- a/arch/cris/include/asm/auxvec.h +++ b/arch/cris/include/uapi/asm/auxvec.h diff --git a/arch/cris/include/asm/bitsperlong.h b/arch/cris/include/uapi/asm/bitsperlong.h index 6dc0bb0c13b2..6dc0bb0c13b2 100644 --- a/arch/cris/include/asm/bitsperlong.h +++ b/arch/cris/include/uapi/asm/bitsperlong.h diff --git a/arch/cris/include/asm/byteorder.h b/arch/cris/include/uapi/asm/byteorder.h index bcd189798e26..bcd189798e26 100644 --- a/arch/cris/include/asm/byteorder.h +++ b/arch/cris/include/uapi/asm/byteorder.h diff --git a/arch/cris/include/asm/errno.h b/arch/cris/include/uapi/asm/errno.h index 2bf5eb5fa773..2bf5eb5fa773 100644 --- a/arch/cris/include/asm/errno.h +++ b/arch/cris/include/uapi/asm/errno.h diff --git a/arch/cris/include/asm/ethernet.h b/arch/cris/include/uapi/asm/ethernet.h index 4d58652c3a49..4d58652c3a49 100644 --- a/arch/cris/include/asm/ethernet.h +++ b/arch/cris/include/uapi/asm/ethernet.h diff --git a/arch/cris/include/asm/etraxgpio.h b/arch/cris/include/uapi/asm/etraxgpio.h index 461c089db765..461c089db765 100644 --- a/arch/cris/include/asm/etraxgpio.h +++ b/arch/cris/include/uapi/asm/etraxgpio.h diff --git a/arch/cris/include/asm/fcntl.h b/arch/cris/include/uapi/asm/fcntl.h index 46ab12db5739..46ab12db5739 100644 --- a/arch/cris/include/asm/fcntl.h +++ b/arch/cris/include/uapi/asm/fcntl.h diff --git a/arch/cris/include/asm/ioctl.h b/arch/cris/include/uapi/asm/ioctl.h index b279fe06dfe5..b279fe06dfe5 100644 --- a/arch/cris/include/asm/ioctl.h +++ b/arch/cris/include/uapi/asm/ioctl.h diff --git a/arch/cris/include/asm/ioctls.h b/arch/cris/include/uapi/asm/ioctls.h index 488fbb3f5e84..488fbb3f5e84 100644 --- a/arch/cris/include/asm/ioctls.h +++ b/arch/cris/include/uapi/asm/ioctls.h diff --git a/arch/cris/include/asm/ipcbuf.h b/arch/cris/include/uapi/asm/ipcbuf.h index 84c7e51cb6d0..84c7e51cb6d0 100644 --- a/arch/cris/include/asm/ipcbuf.h +++ b/arch/cris/include/uapi/asm/ipcbuf.h diff --git a/arch/cris/include/asm/mman.h b/arch/cris/include/uapi/asm/mman.h index 8eebf89f5ab1..8eebf89f5ab1 100644 --- a/arch/cris/include/asm/mman.h +++ b/arch/cris/include/uapi/asm/mman.h diff --git a/arch/cris/include/asm/msgbuf.h b/arch/cris/include/uapi/asm/msgbuf.h index ada63df1d574..ada63df1d574 100644 --- a/arch/cris/include/asm/msgbuf.h +++ b/arch/cris/include/uapi/asm/msgbuf.h diff --git a/arch/cris/include/asm/param.h b/arch/cris/include/uapi/asm/param.h index 484fcf8667c0..484fcf8667c0 100644 --- a/arch/cris/include/asm/param.h +++ b/arch/cris/include/uapi/asm/param.h diff --git a/arch/cris/include/asm/poll.h b/arch/cris/include/uapi/asm/poll.h index c98509d3149e..c98509d3149e 100644 --- a/arch/cris/include/asm/poll.h +++ b/arch/cris/include/uapi/asm/poll.h diff --git a/arch/cris/include/asm/posix_types.h b/arch/cris/include/uapi/asm/posix_types.h index ce4e51793151..ce4e51793151 100644 --- a/arch/cris/include/asm/posix_types.h +++ b/arch/cris/include/uapi/asm/posix_types.h diff --git a/arch/cris/include/uapi/asm/ptrace.h b/arch/cris/include/uapi/asm/ptrace.h new file mode 100644 index 000000000000..c689c9bbbe50 --- /dev/null +++ b/arch/cris/include/uapi/asm/ptrace.h @@ -0,0 +1 @@ +#include <arch/ptrace.h> diff --git a/arch/cris/include/asm/resource.h b/arch/cris/include/uapi/asm/resource.h index b5d29448de4e..b5d29448de4e 100644 --- a/arch/cris/include/asm/resource.h +++ b/arch/cris/include/uapi/asm/resource.h diff --git a/arch/cris/include/asm/rs485.h b/arch/cris/include/uapi/asm/rs485.h index ad40f9fbcb8a..ad40f9fbcb8a 100644 --- a/arch/cris/include/asm/rs485.h +++ b/arch/cris/include/uapi/asm/rs485.h diff --git a/arch/cris/include/asm/sembuf.h b/arch/cris/include/uapi/asm/sembuf.h index 7fed9843796d..7fed9843796d 100644 --- a/arch/cris/include/asm/sembuf.h +++ b/arch/cris/include/uapi/asm/sembuf.h diff --git a/arch/cris/include/asm/setup.h b/arch/cris/include/uapi/asm/setup.h index b90728652d1a..b90728652d1a 100644 --- a/arch/cris/include/asm/setup.h +++ b/arch/cris/include/uapi/asm/setup.h diff --git a/arch/cris/include/asm/shmbuf.h b/arch/cris/include/uapi/asm/shmbuf.h index 3239e3f000e8..3239e3f000e8 100644 --- a/arch/cris/include/asm/shmbuf.h +++ b/arch/cris/include/uapi/asm/shmbuf.h diff --git a/arch/cris/include/asm/sigcontext.h b/arch/cris/include/uapi/asm/sigcontext.h index a1d634e120df..a1d634e120df 100644 --- a/arch/cris/include/asm/sigcontext.h +++ b/arch/cris/include/uapi/asm/sigcontext.h diff --git a/arch/cris/include/asm/siginfo.h b/arch/cris/include/uapi/asm/siginfo.h index c1cd6d16928b..c1cd6d16928b 100644 --- a/arch/cris/include/asm/siginfo.h +++ b/arch/cris/include/uapi/asm/siginfo.h diff --git a/arch/cris/include/uapi/asm/signal.h b/arch/cris/include/uapi/asm/signal.h new file mode 100644 index 000000000000..21624948a96d --- /dev/null +++ b/arch/cris/include/uapi/asm/signal.h @@ -0,0 +1,122 @@ +#ifndef _UAPI_ASM_CRIS_SIGNAL_H +#define _UAPI_ASM_CRIS_SIGNAL_H + +#include <linux/types.h> + +/* Avoid too many header ordering problems. */ +struct siginfo; + +#ifndef __KERNEL__ +/* Here we must cater to libcs that poke about in kernel headers. */ + +#define NSIG 32 +typedef unsigned long sigset_t; + +#endif /* __KERNEL__ */ + +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT 6 +#define SIGBUS 7 +#define SIGFPE 8 +#define SIGKILL 9 +#define SIGUSR1 10 +#define SIGSEGV 11 +#define SIGUSR2 12 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGSTKFLT 16 +#define SIGCHLD 17 +#define SIGCONT 18 +#define SIGSTOP 19 +#define SIGTSTP 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGURG 23 +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGIO 29 +#define SIGPOLL SIGIO +/* +#define SIGLOST 29 +*/ +#define SIGPWR 30 +#define SIGSYS 31 +#define SIGUNUSED 31 + +/* These should not be considered constants from userland. */ +#define SIGRTMIN 32 +#define SIGRTMAX _NSIG + +/* + * SA_FLAGS values: + * + * SA_ONSTACK indicates that a registered stack_t will be used. + * SA_RESTART flag to get restarting signals (which were the default long ago) + * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. + * SA_RESETHAND clears the handler when the signal is delivered. + * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. + * SA_NODEFER prevents the current signal from being masked in the handler. + * + * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single + * Unix names RESETHAND and NODEFER respectively. + */ + +#define SA_NOCLDSTOP 0x00000001u +#define SA_NOCLDWAIT 0x00000002u +#define SA_SIGINFO 0x00000004u +#define SA_ONSTACK 0x08000000u +#define SA_RESTART 0x10000000u +#define SA_NODEFER 0x40000000u +#define SA_RESETHAND 0x80000000u + +#define SA_NOMASK SA_NODEFER +#define SA_ONESHOT SA_RESETHAND + +#define SA_RESTORER 0x04000000 + +/* + * sigaltstack controls + */ +#define SS_ONSTACK 1 +#define SS_DISABLE 2 + +#define MINSIGSTKSZ 2048 +#define SIGSTKSZ 8192 + +#include <asm-generic/signal-defs.h> + +#ifndef __KERNEL__ +/* Here we must cater to libcs that poke about in kernel headers. */ + +struct sigaction { + union { + __sighandler_t _sa_handler; + void (*_sa_sigaction)(int, struct siginfo *, void *); + } _u; + sigset_t sa_mask; + unsigned long sa_flags; + void (*sa_restorer)(void); +}; + +#define sa_handler _u._sa_handler +#define sa_sigaction _u._sa_sigaction + +#endif /* __KERNEL__ */ + +typedef struct sigaltstack { + void *ss_sp; + int ss_flags; + size_t ss_size; +} stack_t; + + +#endif /* _UAPI_ASM_CRIS_SIGNAL_H */ diff --git a/arch/cris/include/asm/socket.h b/arch/cris/include/uapi/asm/socket.h index b681b043f6c8..b681b043f6c8 100644 --- a/arch/cris/include/asm/socket.h +++ b/arch/cris/include/uapi/asm/socket.h diff --git a/arch/cris/include/asm/sockios.h b/arch/cris/include/uapi/asm/sockios.h index cfe7bfecf599..cfe7bfecf599 100644 --- a/arch/cris/include/asm/sockios.h +++ b/arch/cris/include/uapi/asm/sockios.h diff --git a/arch/cris/include/asm/stat.h b/arch/cris/include/uapi/asm/stat.h index 9e558cc3c43b..9e558cc3c43b 100644 --- a/arch/cris/include/asm/stat.h +++ b/arch/cris/include/uapi/asm/stat.h diff --git a/arch/cris/include/asm/statfs.h b/arch/cris/include/uapi/asm/statfs.h index fdaf921844bc..fdaf921844bc 100644 --- a/arch/cris/include/asm/statfs.h +++ b/arch/cris/include/uapi/asm/statfs.h diff --git a/arch/cris/include/uapi/asm/swab.h b/arch/cris/include/uapi/asm/swab.h new file mode 100644 index 000000000000..4adf1e9f0b09 --- /dev/null +++ b/arch/cris/include/uapi/asm/swab.h @@ -0,0 +1,3 @@ +/* + * CRIS byte swapping. + */ diff --git a/arch/cris/include/asm/sync_serial.h b/arch/cris/include/uapi/asm/sync_serial.h index 7f827fea30e7..7f827fea30e7 100644 --- a/arch/cris/include/asm/sync_serial.h +++ b/arch/cris/include/uapi/asm/sync_serial.h diff --git a/arch/cris/include/asm/termbits.h b/arch/cris/include/uapi/asm/termbits.h index 1c43bc874ccf..1c43bc874ccf 100644 --- a/arch/cris/include/asm/termbits.h +++ b/arch/cris/include/uapi/asm/termbits.h diff --git a/arch/cris/include/uapi/asm/termios.h b/arch/cris/include/uapi/asm/termios.h new file mode 100644 index 000000000000..0a0386a55027 --- /dev/null +++ b/arch/cris/include/uapi/asm/termios.h @@ -0,0 +1,45 @@ +#ifndef _UAPI_CRIS_TERMIOS_H +#define _UAPI_CRIS_TERMIOS_H + +#include <asm/termbits.h> +#include <asm/ioctls.h> +#include <asm/rs485.h> +#include <linux/serial.h> + +struct winsize { + unsigned short ws_row; + unsigned short ws_col; + unsigned short ws_xpixel; + unsigned short ws_ypixel; +}; + +#define NCC 8 +struct termio { + unsigned short c_iflag; /* input mode flags */ + unsigned short c_oflag; /* output mode flags */ + unsigned short c_cflag; /* control mode flags */ + unsigned short c_lflag; /* local mode flags */ + unsigned char c_line; /* line discipline */ + unsigned char c_cc[NCC]; /* control characters */ +}; + +/* modem lines */ +#define TIOCM_LE 0x001 +#define TIOCM_DTR 0x002 +#define TIOCM_RTS 0x004 +#define TIOCM_ST 0x008 +#define TIOCM_SR 0x010 +#define TIOCM_CTS 0x020 +#define TIOCM_CAR 0x040 +#define TIOCM_RNG 0x080 +#define TIOCM_DSR 0x100 +#define TIOCM_CD TIOCM_CAR +#define TIOCM_RI TIOCM_RNG +#define TIOCM_OUT1 0x2000 +#define TIOCM_OUT2 0x4000 +#define TIOCM_LOOP 0x8000 + +/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ + + +#endif /* _UAPI_CRIS_TERMIOS_H */ diff --git a/arch/cris/include/uapi/asm/types.h b/arch/cris/include/uapi/asm/types.h new file mode 100644 index 000000000000..9ec9d4c5ac4d --- /dev/null +++ b/arch/cris/include/uapi/asm/types.h @@ -0,0 +1 @@ +#include <asm-generic/int-ll64.h> diff --git a/arch/cris/include/uapi/asm/unistd.h b/arch/cris/include/uapi/asm/unistd.h new file mode 100644 index 000000000000..48842896f6c2 --- /dev/null +++ b/arch/cris/include/uapi/asm/unistd.h @@ -0,0 +1,344 @@ +#ifndef _UAPI_ASM_CRIS_UNISTD_H_ +#define _UAPI_ASM_CRIS_UNISTD_H_ + +/* + * This file contains the system call numbers, and stub macros for libc. + */ + +#define __NR_restart_syscall 0 +#define __NR_exit 1 +#define __NR_fork 2 +#define __NR_read 3 +#define __NR_write 4 +#define __NR_open 5 +#define __NR_close 6 +#define __NR_waitpid 7 +#define __NR_creat 8 +#define __NR_link 9 +#define __NR_unlink 10 +#define __NR_execve 11 +#define __NR_chdir 12 +#define __NR_time 13 +#define __NR_mknod 14 +#define __NR_chmod 15 +#define __NR_lchown 16 +#define __NR_break 17 +#define __NR_oldstat 18 +#define __NR_lseek 19 +#define __NR_getpid 20 +#define __NR_mount 21 +#define __NR_umount 22 +#define __NR_setuid 23 +#define __NR_getuid 24 +#define __NR_stime 25 +#define __NR_ptrace 26 +#define __NR_alarm 27 +#define __NR_oldfstat 28 +#define __NR_pause 29 +#define __NR_utime 30 +#define __NR_stty 31 +#define __NR_gtty 32 +#define __NR_access 33 +#define __NR_nice 34 +#define __NR_ftime 35 +#define __NR_sync 36 +#define __NR_kill 37 +#define __NR_rename 38 +#define __NR_mkdir 39 +#define __NR_rmdir 40 +#define __NR_dup 41 +#define __NR_pipe 42 +#define __NR_times 43 +#define __NR_prof 44 +#define __NR_brk 45 +#define __NR_setgid 46 +#define __NR_getgid 47 +#define __NR_signal 48 +#define __NR_geteuid 49 +#define __NR_getegid 50 +#define __NR_acct 51 +#define __NR_umount2 52 +#define __NR_lock 53 +#define __NR_ioctl 54 +#define __NR_fcntl 55 +#define __NR_mpx 56 +#define __NR_setpgid 57 +#define __NR_ulimit 58 +#define __NR_oldolduname 59 +#define __NR_umask 60 +#define __NR_chroot 61 +#define __NR_ustat 62 +#define __NR_dup2 63 +#define __NR_getppid 64 +#define __NR_getpgrp 65 +#define __NR_setsid 66 +#define __NR_sigaction 67 +#define __NR_sgetmask 68 +#define __NR_ssetmask 69 +#define __NR_setreuid 70 +#define __NR_setregid 71 +#define __NR_sigsuspend 72 +#define __NR_sigpending 73 +#define __NR_sethostname 74 +#define __NR_setrlimit 75 +#define __NR_getrlimit 76 +#define __NR_getrusage 77 +#define __NR_gettimeofday 78 +#define __NR_settimeofday 79 +#define __NR_getgroups 80 +#define __NR_setgroups 81 +#define __NR_select 82 +#define __NR_symlink 83 +#define __NR_oldlstat 84 +#define __NR_readlink 85 +#define __NR_uselib 86 +#define __NR_swapon 87 +#define __NR_reboot 88 +#define __NR_readdir 89 +#define __NR_mmap 90 +#define __NR_munmap 91 +#define __NR_truncate 92 +#define __NR_ftruncate 93 +#define __NR_fchmod 94 +#define __NR_fchown 95 +#define __NR_getpriority 96 +#define __NR_setpriority 97 +#define __NR_profil 98 +#define __NR_statfs 99 +#define __NR_fstatfs 100 +#define __NR_ioperm 101 +#define __NR_socketcall 102 +#define __NR_syslog 103 +#define __NR_setitimer 104 +#define __NR_getitimer 105 +#define __NR_stat 106 +#define __NR_lstat 107 +#define __NR_fstat 108 +#define __NR_olduname 109 +#define __NR_iopl 110 +#define __NR_vhangup 111 +#define __NR_idle 112 +#define __NR_vm86 113 +#define __NR_wait4 114 +#define __NR_swapoff 115 +#define __NR_sysinfo 116 +#define __NR_ipc 117 +#define __NR_fsync 118 +#define __NR_sigreturn 119 +#define __NR_clone 120 +#define __NR_setdomainname 121 +#define __NR_uname 122 +#define __NR_modify_ldt 123 +#define __NR_adjtimex 124 +#define __NR_mprotect 125 +#define __NR_sigprocmask 126 +#define __NR_create_module 127 +#define __NR_init_module 128 +#define __NR_delete_module 129 +#define __NR_get_kernel_syms 130 +#define __NR_quotactl 131 +#define __NR_getpgid 132 +#define __NR_fchdir 133 +#define __NR_bdflush 134 +#define __NR_sysfs 135 +#define __NR_personality 136 +#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ +#define __NR_setfsuid 138 +#define __NR_setfsgid 139 +#define __NR__llseek 140 +#define __NR_getdents 141 +#define __NR__newselect 142 +#define __NR_flock 143 +#define __NR_msync 144 +#define __NR_readv 145 +#define __NR_writev 146 +#define __NR_getsid 147 +#define __NR_fdatasync 148 +#define __NR__sysctl 149 +#define __NR_mlock 150 +#define __NR_munlock 151 +#define __NR_mlockall 152 +#define __NR_munlockall 153 +#define __NR_sched_setparam 154 +#define __NR_sched_getparam 155 +#define __NR_sched_setscheduler 156 +#define __NR_sched_getscheduler 157 +#define __NR_sched_yield 158 +#define __NR_sched_get_priority_max 159 +#define __NR_sched_get_priority_min 160 +#define __NR_sched_rr_get_interval 161 +#define __NR_nanosleep 162 +#define __NR_mremap 163 +#define __NR_setresuid 164 +#define __NR_getresuid 165 + +#define __NR_query_module 167 +#define __NR_poll 168 +#define __NR_nfsservctl 169 +#define __NR_setresgid 170 +#define __NR_getresgid 171 +#define __NR_prctl 172 +#define __NR_rt_sigreturn 173 +#define __NR_rt_sigaction 174 +#define __NR_rt_sigprocmask 175 +#define __NR_rt_sigpending 176 +#define __NR_rt_sigtimedwait 177 +#define __NR_rt_sigqueueinfo 178 +#define __NR_rt_sigsuspend 179 +#define __NR_pread64 180 +#define __NR_pwrite64 181 +#define __NR_chown 182 +#define __NR_getcwd 183 +#define __NR_capget 184 +#define __NR_capset 185 +#define __NR_sigaltstack 186 +#define __NR_sendfile 187 +#define __NR_getpmsg 188 /* some people actually want streams */ +#define __NR_putpmsg 189 /* some people actually want streams */ +#define __NR_vfork 190 +#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ +#define __NR_mmap2 192 +#define __NR_truncate64 193 +#define __NR_ftruncate64 194 +#define __NR_stat64 195 +#define __NR_lstat64 196 +#define __NR_fstat64 197 +#define __NR_lchown32 198 +#define __NR_getuid32 199 +#define __NR_getgid32 200 +#define __NR_geteuid32 201 +#define __NR_getegid32 202 +#define __NR_setreuid32 203 +#define __NR_setregid32 204 +#define __NR_getgroups32 205 +#define __NR_setgroups32 206 +#define __NR_fchown32 207 +#define __NR_setresuid32 208 +#define __NR_getresuid32 209 +#define __NR_setresgid32 210 +#define __NR_getresgid32 211 +#define __NR_chown32 212 +#define __NR_setuid32 213 +#define __NR_setgid32 214 +#define __NR_setfsuid32 215 +#define __NR_setfsgid32 216 +#define __NR_pivot_root 217 +#define __NR_mincore 218 +#define __NR_madvise 219 +#define __NR_getdents64 220 +#define __NR_fcntl64 221 +/* 223 is unused */ +#define __NR_gettid 224 +#define __NR_readahead 225 +#define __NR_setxattr 226 +#define __NR_lsetxattr 227 +#define __NR_fsetxattr 228 +#define __NR_getxattr 229 +#define __NR_lgetxattr 230 +#define __NR_fgetxattr 231 +#define __NR_listxattr 232 +#define __NR_llistxattr 233 +#define __NR_flistxattr 234 +#define __NR_removexattr 235 +#define __NR_lremovexattr 236 +#define __NR_fremovexattr 237 +#define __NR_tkill 238 +#define __NR_sendfile64 239 +#define __NR_futex 240 +#define __NR_sched_setaffinity 241 +#define __NR_sched_getaffinity 242 +#define __NR_set_thread_area 243 +#define __NR_get_thread_area 244 +#define __NR_io_setup 245 +#define __NR_io_destroy 246 +#define __NR_io_getevents 247 +#define __NR_io_submit 248 +#define __NR_io_cancel 249 +#define __NR_fadvise64 250 +/* 251 is available for reuse (was briefly sys_set_zone_reclaim) */ +#define __NR_exit_group 252 +#define __NR_lookup_dcookie 253 +#define __NR_epoll_create 254 +#define __NR_epoll_ctl 255 +#define __NR_epoll_wait 256 +#define __NR_remap_file_pages 257 +#define __NR_set_tid_address 258 +#define __NR_timer_create 259 +#define __NR_timer_settime (__NR_timer_create+1) +#define __NR_timer_gettime (__NR_timer_create+2) +#define __NR_timer_getoverrun (__NR_timer_create+3) +#define __NR_timer_delete (__NR_timer_create+4) +#define __NR_clock_settime (__NR_timer_create+5) +#define __NR_clock_gettime (__NR_timer_create+6) +#define __NR_clock_getres (__NR_timer_create+7) +#define __NR_clock_nanosleep (__NR_timer_create+8) +#define __NR_statfs64 268 +#define __NR_fstatfs64 269 +#define __NR_tgkill 270 +#define __NR_utimes 271 +#define __NR_fadvise64_64 272 +#define __NR_vserver 273 +#define __NR_mbind 274 +#define __NR_get_mempolicy 275 +#define __NR_set_mempolicy 276 +#define __NR_mq_open 277 +#define __NR_mq_unlink (__NR_mq_open+1) +#define __NR_mq_timedsend (__NR_mq_open+2) +#define __NR_mq_timedreceive (__NR_mq_open+3) +#define __NR_mq_notify (__NR_mq_open+4) +#define __NR_mq_getsetattr (__NR_mq_open+5) +#define __NR_kexec_load 283 +#define __NR_waitid 284 +/* #define __NR_sys_setaltroot 285 */ +#define __NR_add_key 286 +#define __NR_request_key 287 +#define __NR_keyctl 288 +#define __NR_ioprio_set 289 +#define __NR_ioprio_get 290 +#define __NR_inotify_init 291 +#define __NR_inotify_add_watch 292 +#define __NR_inotify_rm_watch 293 +#define __NR_migrate_pages 294 +#define __NR_openat 295 +#define __NR_mkdirat 296 +#define __NR_mknodat 297 +#define __NR_fchownat 298 +#define __NR_futimesat 299 +#define __NR_fstatat64 300 +#define __NR_unlinkat 301 +#define __NR_renameat 302 +#define __NR_linkat 303 +#define __NR_symlinkat 304 +#define __NR_readlinkat 305 +#define __NR_fchmodat 306 +#define __NR_faccessat 307 +#define __NR_pselect6 308 +#define __NR_ppoll 309 +#define __NR_unshare 310 +#define __NR_set_robust_list 311 +#define __NR_get_robust_list 312 +#define __NR_splice 313 +#define __NR_sync_file_range 314 +#define __NR_tee 315 +#define __NR_vmsplice 316 +#define __NR_move_pages 317 +#define __NR_getcpu 318 +#define __NR_epoll_pwait 319 +#define __NR_utimensat 320 +#define __NR_signalfd 321 +#define __NR_timerfd_create 322 +#define __NR_eventfd 323 +#define __NR_fallocate 324 +#define __NR_timerfd_settime 325 +#define __NR_timerfd_gettime 326 +#define __NR_signalfd4 327 +#define __NR_eventfd2 328 +#define __NR_epoll_create1 329 +#define __NR_dup3 330 +#define __NR_pipe2 331 +#define __NR_inotify_init1 332 +#define __NR_preadv 333 +#define __NR_pwritev 334 +#define __NR_setns 335 + +#endif /* _UAPI_ASM_CRIS_UNISTD_H_ */ diff --git a/arch/cris/kernel/asm-offsets.c b/arch/cris/kernel/asm-offsets.c index dd7b8e983221..a5fd88d816a6 100644 --- a/arch/cris/kernel/asm-offsets.c +++ b/arch/cris/kernel/asm-offsets.c @@ -1,3 +1,4 @@ +#include <linux/kbuild.h> #include <linux/sched.h> #include <asm/thread_info.h> @@ -7,11 +8,6 @@ * and format the required data. */ -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define BLANK() asm volatile("\n->" : : ) - #if !defined(CONFIG_ETRAX_ARCH_V10) && !defined(CONFIG_ETRAX_ARCH_V32) #error One of ARCH v10 and ARCH v32 must be true! #endif diff --git a/arch/cris/kernel/module.c b/arch/cris/kernel/module.c index 37400f5869e6..51123f985eb5 100644 --- a/arch/cris/kernel/module.c +++ b/arch/cris/kernel/module.c @@ -32,8 +32,6 @@ #ifdef CONFIG_ETRAX_KMALLOCED_MODULES void *module_alloc(unsigned long size) { - if (size == 0) - return NULL; return kmalloc(size, GFP_KERNEL); } diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild index 4bc8ae73e08a..bebdc36ebb0a 100644 --- a/arch/h8300/include/asm/Kbuild +++ b/arch/h8300/include/asm/Kbuild @@ -1,4 +1,3 @@ -include include/asm-generic/Kbuild.asm generic-y += clkdev.h generic-y += exec.h diff --git a/arch/h8300/include/asm/param.h b/arch/h8300/include/asm/param.h index 1c72fb8080ff..c3909e7ff178 100644 --- a/arch/h8300/include/asm/param.h +++ b/arch/h8300/include/asm/param.h @@ -1,20 +1,9 @@ #ifndef _H8300_PARAM_H #define _H8300_PARAM_H -#ifdef __KERNEL__ +#include <uapi/asm/param.h> + #define HZ CONFIG_HZ #define USER_HZ HZ #define CLOCKS_PER_SEC (USER_HZ) -#else -#define HZ 100 -#endif - -#define EXEC_PAGESIZE 4096 - -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ - #endif /* _H8300_PARAM_H */ diff --git a/arch/h8300/include/asm/ptrace.h b/arch/h8300/include/asm/ptrace.h index 7468589a128b..79c9a91e75ef 100644 --- a/arch/h8300/include/asm/ptrace.h +++ b/arch/h8300/include/asm/ptrace.h @@ -1,46 +1,11 @@ #ifndef _H8300_PTRACE_H #define _H8300_PTRACE_H -#ifndef __ASSEMBLY__ - -#define PT_ER1 0 -#define PT_ER2 1 -#define PT_ER3 2 -#define PT_ER4 3 -#define PT_ER5 4 -#define PT_ER6 5 -#define PT_ER0 6 -#define PT_ORIG_ER0 7 -#define PT_CCR 8 -#define PT_PC 9 -#define PT_USP 10 -#define PT_EXR 12 - -/* this struct defines the way the registers are stored on the - stack during a system call. */ +#include <uapi/asm/ptrace.h> -struct pt_regs { - long retpc; - long er4; - long er5; - long er6; - long er3; - long er2; - long er1; - long orig_er0; - unsigned short ccr; - long er0; - long vector; +#ifndef __ASSEMBLY__ #if defined(CONFIG_CPU_H8S) - unsigned short exr; #endif - unsigned long pc; -} __attribute__((aligned(2),packed)); - -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 - -#ifdef __KERNEL__ #ifndef PS_S #define PS_S (0x10) #endif @@ -63,6 +28,5 @@ struct pt_regs { #define current_pt_regs() ((struct pt_regs *) \ (THREAD_SIZE + (unsigned long)current_thread_info()) - 1) #define signal_pt_regs() ((struct pt_regs *)current->thread.esp0) -#endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ #endif /* _H8300_PTRACE_H */ diff --git a/arch/h8300/include/asm/signal.h b/arch/h8300/include/asm/signal.h index c43c0a7d2c2e..66c81c67e55d 100644 --- a/arch/h8300/include/asm/signal.h +++ b/arch/h8300/include/asm/signal.h @@ -1,12 +1,8 @@ #ifndef _H8300_SIGNAL_H #define _H8300_SIGNAL_H -#include <linux/types.h> +#include <uapi/asm/signal.h> -/* Avoid too many header ordering problems. */ -struct siginfo; - -#ifdef __KERNEL__ /* Most things should be clean enough to redefine this at will, if care is taken to make libc match. */ @@ -20,94 +16,6 @@ typedef struct { unsigned long sig[_NSIG_WORDS]; } sigset_t; -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -#define NSIG 32 -typedef unsigned long sigset_t; - -#endif /* __KERNEL__ */ - -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 -#define SIGBUS 7 -#define SIGFPE 8 -#define SIGKILL 9 -#define SIGUSR1 10 -#define SIGSEGV 11 -#define SIGUSR2 12 -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGSTKFLT 16 -#define SIGCHLD 17 -#define SIGCONT 18 -#define SIGSTOP 19 -#define SIGTSTP 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGURG 23 -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGIO 29 -#define SIGPOLL SIGIO -/* -#define SIGLOST 29 -*/ -#define SIGPWR 30 -#define SIGSYS 31 -#define SIGUNUSED 31 - -/* These should not be considered constants from userland. */ -#define SIGRTMIN 32 -#define SIGRTMAX _NSIG - -/* - * SA_FLAGS values: - * - * SA_ONSTACK indicates that a registered stack_t will be used. - * SA_RESTART flag to get restarting signals (which were the default long ago) - * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. - * SA_RESETHAND clears the handler when the signal is delivered. - * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. - * SA_NODEFER prevents the current signal from being masked in the handler. - * - * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single - * Unix names RESETHAND and NODEFER respectively. - */ -#define SA_NOCLDSTOP 0x00000001 -#define SA_NOCLDWAIT 0x00000002 /* not supported yet */ -#define SA_SIGINFO 0x00000004 -#define SA_ONSTACK 0x08000000 -#define SA_RESTART 0x10000000 -#define SA_NODEFER 0x40000000 -#define SA_RESETHAND 0x80000000 - -#define SA_NOMASK SA_NODEFER -#define SA_ONESHOT SA_RESETHAND - -#define SA_RESTORER 0x04000000 - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 2048 -#define SIGSTKSZ 8192 - -#include <asm-generic/signal-defs.h> - -#ifdef __KERNEL__ struct old_sigaction { __sighandler_t sa_handler; old_sigset_t sa_mask; @@ -125,35 +33,8 @@ struct sigaction { struct k_sigaction { struct sigaction sa; }; -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -struct sigaction { - union { - __sighandler_t _sa_handler; - void (*_sa_sigaction)(int, struct siginfo *, void *); - } _u; - sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -#define sa_handler _u._sa_handler -#define sa_sigaction _u._sa_sigaction - -#endif /* __KERNEL__ */ - -typedef struct sigaltstack { - void *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -#ifdef __KERNEL__ #include <asm/sigcontext.h> #undef __HAVE_ARCH_SIG_BITOPS -#endif /* __KERNEL__ */ - #endif /* _H8300_SIGNAL_H */ diff --git a/arch/h8300/include/asm/termios.h b/arch/h8300/include/asm/termios.h index 70eea64b4213..93a63df56247 100644 --- a/arch/h8300/include/asm/termios.h +++ b/arch/h8300/include/asm/termios.h @@ -1,27 +1,8 @@ #ifndef _H8300_TERMIOS_H #define _H8300_TERMIOS_H -#include <asm/termbits.h> -#include <asm/ioctls.h> - -struct winsize { - unsigned short ws_row; - unsigned short ws_col; - unsigned short ws_xpixel; - unsigned short ws_ypixel; -}; +#include <uapi/asm/termios.h> -#define NCC 8 -struct termio { - unsigned short c_iflag; /* input mode flags */ - unsigned short c_oflag; /* output mode flags */ - unsigned short c_cflag; /* control mode flags */ - unsigned short c_lflag; /* local mode flags */ - unsigned char c_line; /* line discipline */ - unsigned char c_cc[NCC]; /* control characters */ -}; - -#ifdef __KERNEL__ /* intr=^C quit=^| erase=del kill=^U eof=^D vtime=\0 vmin=\1 sxtc=\0 start=^Q stop=^S susp=^Z eol=\0 @@ -29,27 +10,6 @@ struct termio { eol2=\0 */ #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" -#endif - -/* modem lines */ -#define TIOCM_LE 0x001 -#define TIOCM_DTR 0x002 -#define TIOCM_RTS 0x004 -#define TIOCM_ST 0x008 -#define TIOCM_SR 0x010 -#define TIOCM_CTS 0x020 -#define TIOCM_CAR 0x040 -#define TIOCM_RNG 0x080 -#define TIOCM_DSR 0x100 -#define TIOCM_CD TIOCM_CAR -#define TIOCM_RI TIOCM_RNG -#define TIOCM_OUT1 0x2000 -#define TIOCM_OUT2 0x4000 -#define TIOCM_LOOP 0x8000 - -/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ - -#ifdef __KERNEL__ /* * Translate a "termio" structure into a "termios". Ugh. @@ -87,6 +47,4 @@ struct termio { #define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios)) #define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios)) -#endif /* __KERNEL__ */ - #endif /* _H8300_TERMIOS_H */ diff --git a/arch/h8300/include/asm/types.h b/arch/h8300/include/asm/types.h index 07257d9487d8..c012707f6037 100644 --- a/arch/h8300/include/asm/types.h +++ b/arch/h8300/include/asm/types.h @@ -1,12 +1,9 @@ #ifndef _H8300_TYPES_H #define _H8300_TYPES_H -#include <asm-generic/int-ll64.h> +#include <uapi/asm/types.h> -#ifdef __KERNEL__ #define BITS_PER_LONG 32 -#endif /* __KERNEL__ */ - #endif /* _H8300_TYPES_H */ diff --git a/arch/h8300/include/asm/unistd.h b/arch/h8300/include/asm/unistd.h index c2c2f5c7d6bf..8215518b3f9f 100644 --- a/arch/h8300/include/asm/unistd.h +++ b/arch/h8300/include/asm/unistd.h @@ -1,333 +1,8 @@ #ifndef _ASM_H8300_UNISTD_H_ #define _ASM_H8300_UNISTD_H_ -/* - * This file contains the system call numbers. - */ - -#define __NR_restart_syscall 0 -#define __NR_exit 1 -#define __NR_fork 2 -#define __NR_read 3 -#define __NR_write 4 -#define __NR_open 5 -#define __NR_close 6 -#define __NR_waitpid 7 -#define __NR_creat 8 -#define __NR_link 9 -#define __NR_unlink 10 -#define __NR_execve 11 -#define __NR_chdir 12 -#define __NR_time 13 -#define __NR_mknod 14 -#define __NR_chmod 15 -#define __NR_lchown 16 -#define __NR_break 17 -#define __NR_oldstat 18 -#define __NR_lseek 19 -#define __NR_getpid 20 -#define __NR_mount 21 -#define __NR_umount 22 -#define __NR_setuid 23 -#define __NR_getuid 24 -#define __NR_stime 25 -#define __NR_ptrace 26 -#define __NR_alarm 27 -#define __NR_oldfstat 28 -#define __NR_pause 29 -#define __NR_utime 30 -#define __NR_stty 31 -#define __NR_gtty 32 -#define __NR_access 33 -#define __NR_nice 34 -#define __NR_ftime 35 -#define __NR_sync 36 -#define __NR_kill 37 -#define __NR_rename 38 -#define __NR_mkdir 39 -#define __NR_rmdir 40 -#define __NR_dup 41 -#define __NR_pipe 42 -#define __NR_times 43 -#define __NR_prof 44 -#define __NR_brk 45 -#define __NR_setgid 46 -#define __NR_getgid 47 -#define __NR_signal 48 -#define __NR_geteuid 49 -#define __NR_getegid 50 -#define __NR_acct 51 -#define __NR_umount2 52 -#define __NR_lock 53 -#define __NR_ioctl 54 -#define __NR_fcntl 55 -#define __NR_mpx 56 -#define __NR_setpgid 57 -#define __NR_ulimit 58 -#define __NR_oldolduname 59 -#define __NR_umask 60 -#define __NR_chroot 61 -#define __NR_ustat 62 -#define __NR_dup2 63 -#define __NR_getppid 64 -#define __NR_getpgrp 65 -#define __NR_setsid 66 -#define __NR_sigaction 67 -#define __NR_sgetmask 68 -#define __NR_ssetmask 69 -#define __NR_setreuid 70 -#define __NR_setregid 71 -#define __NR_sigsuspend 72 -#define __NR_sigpending 73 -#define __NR_sethostname 74 -#define __NR_setrlimit 75 -#define __NR_getrlimit 76 -#define __NR_getrusage 77 -#define __NR_gettimeofday 78 -#define __NR_settimeofday 79 -#define __NR_getgroups 80 -#define __NR_setgroups 81 -#define __NR_select 82 -#define __NR_symlink 83 -#define __NR_oldlstat 84 -#define __NR_readlink 85 -#define __NR_uselib 86 -#define __NR_swapon 87 -#define __NR_reboot 88 -#define __NR_readdir 89 -#define __NR_mmap 90 -#define __NR_munmap 91 -#define __NR_truncate 92 -#define __NR_ftruncate 93 -#define __NR_fchmod 94 -#define __NR_fchown 95 -#define __NR_getpriority 96 -#define __NR_setpriority 97 -#define __NR_profil 98 -#define __NR_statfs 99 -#define __NR_fstatfs 100 -#define __NR_ioperm 101 -#define __NR_socketcall 102 -#define __NR_syslog 103 -#define __NR_setitimer 104 -#define __NR_getitimer 105 -#define __NR_stat 106 -#define __NR_lstat 107 -#define __NR_fstat 108 -#define __NR_olduname 109 -#define __NR_iopl 110 -#define __NR_vhangup 111 -#define __NR_idle 112 -#define __NR_vm86old 113 -#define __NR_wait4 114 -#define __NR_swapoff 115 -#define __NR_sysinfo 116 -#define __NR_ipc 117 -#define __NR_fsync 118 -#define __NR_sigreturn 119 -#define __NR_clone 120 -#define __NR_setdomainname 121 -#define __NR_uname 122 -#define __NR_modify_ldt 123 -#define __NR_adjtimex 124 -#define __NR_mprotect 125 -#define __NR_sigprocmask 126 -#define __NR_create_module 127 -#define __NR_init_module 128 -#define __NR_delete_module 129 -#define __NR_get_kernel_syms 130 -#define __NR_quotactl 131 -#define __NR_getpgid 132 -#define __NR_fchdir 133 -#define __NR_bdflush 134 -#define __NR_sysfs 135 -#define __NR_personality 136 -#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ -#define __NR_setfsuid 138 -#define __NR_setfsgid 139 -#define __NR__llseek 140 -#define __NR_getdents 141 -#define __NR__newselect 142 -#define __NR_flock 143 -#define __NR_msync 144 -#define __NR_readv 145 -#define __NR_writev 146 -#define __NR_getsid 147 -#define __NR_fdatasync 148 -#define __NR__sysctl 149 -#define __NR_mlock 150 -#define __NR_munlock 151 -#define __NR_mlockall 152 -#define __NR_munlockall 153 -#define __NR_sched_setparam 154 -#define __NR_sched_getparam 155 -#define __NR_sched_setscheduler 156 -#define __NR_sched_getscheduler 157 -#define __NR_sched_yield 158 -#define __NR_sched_get_priority_max 159 -#define __NR_sched_get_priority_min 160 -#define __NR_sched_rr_get_interval 161 -#define __NR_nanosleep 162 -#define __NR_mremap 163 -#define __NR_setresuid 164 -#define __NR_getresuid 165 -#define __NR_vm86 166 -#define __NR_query_module 167 -#define __NR_poll 168 -#define __NR_nfsservctl 169 -#define __NR_setresgid 170 -#define __NR_getresgid 171 -#define __NR_prctl 172 -#define __NR_rt_sigreturn 173 -#define __NR_rt_sigaction 174 -#define __NR_rt_sigprocmask 175 -#define __NR_rt_sigpending 176 -#define __NR_rt_sigtimedwait 177 -#define __NR_rt_sigqueueinfo 178 -#define __NR_rt_sigsuspend 179 -#define __NR_pread64 180 -#define __NR_pwrite64 181 -#define __NR_chown 182 -#define __NR_getcwd 183 -#define __NR_capget 184 -#define __NR_capset 185 -#define __NR_sigaltstack 186 -#define __NR_sendfile 187 -#define __NR_getpmsg 188 /* some people actually want streams */ -#define __NR_putpmsg 189 /* some people actually want streams */ -#define __NR_vfork 190 -#define __NR_ugetrlimit 191 -#define __NR_mmap2 192 -#define __NR_truncate64 193 -#define __NR_ftruncate64 194 -#define __NR_stat64 195 -#define __NR_lstat64 196 -#define __NR_fstat64 197 -#define __NR_lchown32 198 -#define __NR_getuid32 199 -#define __NR_getgid32 200 -#define __NR_geteuid32 201 -#define __NR_getegid32 202 -#define __NR_setreuid32 203 -#define __NR_setregid32 204 -#define __NR_getgroups32 205 -#define __NR_setgroups32 206 -#define __NR_fchown32 207 -#define __NR_setresuid32 208 -#define __NR_getresuid32 209 -#define __NR_setresgid32 210 -#define __NR_getresgid32 211 -#define __NR_chown32 212 -#define __NR_setuid32 213 -#define __NR_setgid32 214 -#define __NR_setfsuid32 215 -#define __NR_setfsgid32 216 -#define __NR_pivot_root 217 -#define __NR_mincore 218 -#define __NR_madvise 219 -#define __NR_madvise1 219 -#define __NR_getdents64 220 -#define __NR_fcntl64 221 -/* 223 is unused */ -#define __NR_gettid 224 -#define __NR_readahead 225 -#define __NR_setxattr 226 -#define __NR_lsetxattr 227 -#define __NR_fsetxattr 228 -#define __NR_getxattr 229 -#define __NR_lgetxattr 230 -#define __NR_fgetxattr 231 -#define __NR_listxattr 232 -#define __NR_llistxattr 233 -#define __NR_flistxattr 234 -#define __NR_removexattr 235 -#define __NR_lremovexattr 236 -#define __NR_fremovexattr 237 -#define __NR_tkill 238 -#define __NR_sendfile64 239 -#define __NR_futex 240 -#define __NR_sched_setaffinity 241 -#define __NR_sched_getaffinity 242 -#define __NR_set_thread_area 243 -#define __NR_get_thread_area 244 -#define __NR_io_setup 245 -#define __NR_io_destroy 246 -#define __NR_io_getevents 247 -#define __NR_io_submit 248 -#define __NR_io_cancel 249 -#define __NR_fadvise64 250 -/* 251 is available for reuse (was briefly sys_set_zone_reclaim) */ -#define __NR_exit_group 252 -#define __NR_lookup_dcookie 253 -#define __NR_epoll_create 254 -#define __NR_epoll_ctl 255 -#define __NR_epoll_wait 256 -#define __NR_remap_file_pages 257 -#define __NR_set_tid_address 258 -#define __NR_timer_create 259 -#define __NR_timer_settime (__NR_timer_create+1) -#define __NR_timer_gettime (__NR_timer_create+2) -#define __NR_timer_getoverrun (__NR_timer_create+3) -#define __NR_timer_delete (__NR_timer_create+4) -#define __NR_clock_settime (__NR_timer_create+5) -#define __NR_clock_gettime (__NR_timer_create+6) -#define __NR_clock_getres (__NR_timer_create+7) -#define __NR_clock_nanosleep (__NR_timer_create+8) -#define __NR_statfs64 268 -#define __NR_fstatfs64 269 -#define __NR_tgkill 270 -#define __NR_utimes 271 -#define __NR_fadvise64_64 272 -#define __NR_vserver 273 -#define __NR_mbind 274 -#define __NR_get_mempolicy 275 -#define __NR_set_mempolicy 276 -#define __NR_mq_open 277 -#define __NR_mq_unlink (__NR_mq_open+1) -#define __NR_mq_timedsend (__NR_mq_open+2) -#define __NR_mq_timedreceive (__NR_mq_open+3) -#define __NR_mq_notify (__NR_mq_open+4) -#define __NR_mq_getsetattr (__NR_mq_open+5) -#define __NR_kexec_load 283 -#define __NR_waitid 284 -/* #define __NR_sys_setaltroot 285 */ -#define __NR_add_key 286 -#define __NR_request_key 287 -#define __NR_keyctl 288 -#define __NR_ioprio_set 289 -#define __NR_ioprio_get 290 -#define __NR_inotify_init 291 -#define __NR_inotify_add_watch 292 -#define __NR_inotify_rm_watch 293 -#define __NR_migrate_pages 294 -#define __NR_openat 295 -#define __NR_mkdirat 296 -#define __NR_mknodat 297 -#define __NR_fchownat 298 -#define __NR_futimesat 299 -#define __NR_fstatat64 300 -#define __NR_unlinkat 301 -#define __NR_renameat 302 -#define __NR_linkat 303 -#define __NR_symlinkat 304 -#define __NR_readlinkat 305 -#define __NR_fchmodat 306 -#define __NR_faccessat 307 -#define __NR_pselect6 308 -#define __NR_ppoll 309 -#define __NR_unshare 310 -#define __NR_set_robust_list 311 -#define __NR_get_robust_list 312 -#define __NR_splice 313 -#define __NR_sync_file_range 314 -#define __NR_tee 315 -#define __NR_vmsplice 316 -#define __NR_move_pages 317 -#define __NR_getcpu 318 -#define __NR_epoll_pwait 319 -#define __NR_setns 320 +#include <uapi/asm/unistd.h> -#ifdef __KERNEL__ #define NR_syscalls 321 @@ -368,5 +43,4 @@ asm (".weak\t_" #name "\n" \ ".set\t_" #name ",_sys_ni_syscall"); -#endif /* __KERNEL__ */ #endif /* _ASM_H8300_UNISTD_H_ */ diff --git a/arch/h8300/include/uapi/asm/Kbuild b/arch/h8300/include/uapi/asm/Kbuild index baebb3da1d44..040178cdb3eb 100644 --- a/arch/h8300/include/uapi/asm/Kbuild +++ b/arch/h8300/include/uapi/asm/Kbuild @@ -1,3 +1,34 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm +header-y += auxvec.h +header-y += bitsperlong.h +header-y += byteorder.h +header-y += errno.h +header-y += fcntl.h +header-y += ioctl.h +header-y += ioctls.h +header-y += ipcbuf.h +header-y += kvm_para.h +header-y += mman.h +header-y += msgbuf.h +header-y += param.h +header-y += poll.h +header-y += posix_types.h +header-y += ptrace.h +header-y += resource.h +header-y += sembuf.h +header-y += setup.h +header-y += shmbuf.h +header-y += sigcontext.h +header-y += siginfo.h +header-y += signal.h +header-y += socket.h +header-y += sockios.h +header-y += stat.h +header-y += statfs.h +header-y += swab.h +header-y += termbits.h +header-y += termios.h +header-y += types.h +header-y += unistd.h diff --git a/arch/h8300/include/asm/auxvec.h b/arch/h8300/include/uapi/asm/auxvec.h index 1d36fe38b088..1d36fe38b088 100644 --- a/arch/h8300/include/asm/auxvec.h +++ b/arch/h8300/include/uapi/asm/auxvec.h diff --git a/arch/h8300/include/asm/bitsperlong.h b/arch/h8300/include/uapi/asm/bitsperlong.h index 6dc0bb0c13b2..6dc0bb0c13b2 100644 --- a/arch/h8300/include/asm/bitsperlong.h +++ b/arch/h8300/include/uapi/asm/bitsperlong.h diff --git a/arch/h8300/include/asm/byteorder.h b/arch/h8300/include/uapi/asm/byteorder.h index 13539da99efd..13539da99efd 100644 --- a/arch/h8300/include/asm/byteorder.h +++ b/arch/h8300/include/uapi/asm/byteorder.h diff --git a/arch/h8300/include/asm/errno.h b/arch/h8300/include/uapi/asm/errno.h index 0c2f5641fdcc..0c2f5641fdcc 100644 --- a/arch/h8300/include/asm/errno.h +++ b/arch/h8300/include/uapi/asm/errno.h diff --git a/arch/h8300/include/asm/fcntl.h b/arch/h8300/include/uapi/asm/fcntl.h index 1952cb2e3b06..1952cb2e3b06 100644 --- a/arch/h8300/include/asm/fcntl.h +++ b/arch/h8300/include/uapi/asm/fcntl.h diff --git a/arch/h8300/include/asm/ioctl.h b/arch/h8300/include/uapi/asm/ioctl.h index b279fe06dfe5..b279fe06dfe5 100644 --- a/arch/h8300/include/asm/ioctl.h +++ b/arch/h8300/include/uapi/asm/ioctl.h diff --git a/arch/h8300/include/asm/ioctls.h b/arch/h8300/include/uapi/asm/ioctls.h index 30eaed2facdb..30eaed2facdb 100644 --- a/arch/h8300/include/asm/ioctls.h +++ b/arch/h8300/include/uapi/asm/ioctls.h diff --git a/arch/h8300/include/asm/ipcbuf.h b/arch/h8300/include/uapi/asm/ipcbuf.h index 84c7e51cb6d0..84c7e51cb6d0 100644 --- a/arch/h8300/include/asm/ipcbuf.h +++ b/arch/h8300/include/uapi/asm/ipcbuf.h diff --git a/arch/h8300/include/asm/kvm_para.h b/arch/h8300/include/uapi/asm/kvm_para.h index 14fab8f0b957..14fab8f0b957 100644 --- a/arch/h8300/include/asm/kvm_para.h +++ b/arch/h8300/include/uapi/asm/kvm_para.h diff --git a/arch/h8300/include/asm/mman.h b/arch/h8300/include/uapi/asm/mman.h index 8eebf89f5ab1..8eebf89f5ab1 100644 --- a/arch/h8300/include/asm/mman.h +++ b/arch/h8300/include/uapi/asm/mman.h diff --git a/arch/h8300/include/asm/msgbuf.h b/arch/h8300/include/uapi/asm/msgbuf.h index 6b148cd09aa5..6b148cd09aa5 100644 --- a/arch/h8300/include/asm/msgbuf.h +++ b/arch/h8300/include/uapi/asm/msgbuf.h diff --git a/arch/h8300/include/uapi/asm/param.h b/arch/h8300/include/uapi/asm/param.h new file mode 100644 index 000000000000..3dd18ae15f03 --- /dev/null +++ b/arch/h8300/include/uapi/asm/param.h @@ -0,0 +1,16 @@ +#ifndef _UAPI_H8300_PARAM_H +#define _UAPI_H8300_PARAM_H + +#ifndef __KERNEL__ +#define HZ 100 +#endif + +#define EXEC_PAGESIZE 4096 + +#ifndef NOGROUP +#define NOGROUP (-1) +#endif + +#define MAXHOSTNAMELEN 64 /* max length of hostname */ + +#endif /* _UAPI_H8300_PARAM_H */ diff --git a/arch/h8300/include/asm/poll.h b/arch/h8300/include/uapi/asm/poll.h index f61540c22d94..f61540c22d94 100644 --- a/arch/h8300/include/asm/poll.h +++ b/arch/h8300/include/uapi/asm/poll.h diff --git a/arch/h8300/include/asm/posix_types.h b/arch/h8300/include/uapi/asm/posix_types.h index 91e62ba4c7b0..91e62ba4c7b0 100644 --- a/arch/h8300/include/asm/posix_types.h +++ b/arch/h8300/include/uapi/asm/posix_types.h diff --git a/arch/h8300/include/uapi/asm/ptrace.h b/arch/h8300/include/uapi/asm/ptrace.h new file mode 100644 index 000000000000..ef39ec5977b6 --- /dev/null +++ b/arch/h8300/include/uapi/asm/ptrace.h @@ -0,0 +1,44 @@ +#ifndef _UAPI_H8300_PTRACE_H +#define _UAPI_H8300_PTRACE_H + +#ifndef __ASSEMBLY__ + +#define PT_ER1 0 +#define PT_ER2 1 +#define PT_ER3 2 +#define PT_ER4 3 +#define PT_ER5 4 +#define PT_ER6 5 +#define PT_ER0 6 +#define PT_ORIG_ER0 7 +#define PT_CCR 8 +#define PT_PC 9 +#define PT_USP 10 +#define PT_EXR 12 + +/* this struct defines the way the registers are stored on the + stack during a system call. */ + +struct pt_regs { + long retpc; + long er4; + long er5; + long er6; + long er3; + long er2; + long er1; + long orig_er0; + unsigned short ccr; + long er0; + long vector; +#if defined(CONFIG_CPU_H8S) + unsigned short exr; +#endif + unsigned long pc; +} __attribute__((aligned(2),packed)); + +#define PTRACE_GETREGS 12 +#define PTRACE_SETREGS 13 + +#endif /* __ASSEMBLY__ */ +#endif /* _UAPI_H8300_PTRACE_H */ diff --git a/arch/h8300/include/asm/resource.h b/arch/h8300/include/uapi/asm/resource.h index 46c5f4391607..46c5f4391607 100644 --- a/arch/h8300/include/asm/resource.h +++ b/arch/h8300/include/uapi/asm/resource.h diff --git a/arch/h8300/include/asm/sembuf.h b/arch/h8300/include/uapi/asm/sembuf.h index e04a3ec0cb92..e04a3ec0cb92 100644 --- a/arch/h8300/include/asm/sembuf.h +++ b/arch/h8300/include/uapi/asm/sembuf.h diff --git a/arch/h8300/include/asm/setup.h b/arch/h8300/include/uapi/asm/setup.h index e2c600e96733..e2c600e96733 100644 --- a/arch/h8300/include/asm/setup.h +++ b/arch/h8300/include/uapi/asm/setup.h diff --git a/arch/h8300/include/asm/shmbuf.h b/arch/h8300/include/uapi/asm/shmbuf.h index 64e77993a7a9..64e77993a7a9 100644 --- a/arch/h8300/include/asm/shmbuf.h +++ b/arch/h8300/include/uapi/asm/shmbuf.h diff --git a/arch/h8300/include/asm/sigcontext.h b/arch/h8300/include/uapi/asm/sigcontext.h index e4b81505f8f8..e4b81505f8f8 100644 --- a/arch/h8300/include/asm/sigcontext.h +++ b/arch/h8300/include/uapi/asm/sigcontext.h diff --git a/arch/h8300/include/asm/siginfo.h b/arch/h8300/include/uapi/asm/siginfo.h index bc8fbea931a5..bc8fbea931a5 100644 --- a/arch/h8300/include/asm/siginfo.h +++ b/arch/h8300/include/uapi/asm/siginfo.h diff --git a/arch/h8300/include/uapi/asm/signal.h b/arch/h8300/include/uapi/asm/signal.h new file mode 100644 index 000000000000..913729e581e8 --- /dev/null +++ b/arch/h8300/include/uapi/asm/signal.h @@ -0,0 +1,121 @@ +#ifndef _UAPI_H8300_SIGNAL_H +#define _UAPI_H8300_SIGNAL_H + +#include <linux/types.h> + +/* Avoid too many header ordering problems. */ +struct siginfo; + +#ifndef __KERNEL__ +/* Here we must cater to libcs that poke about in kernel headers. */ + +#define NSIG 32 +typedef unsigned long sigset_t; + +#endif /* __KERNEL__ */ + +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT 6 +#define SIGBUS 7 +#define SIGFPE 8 +#define SIGKILL 9 +#define SIGUSR1 10 +#define SIGSEGV 11 +#define SIGUSR2 12 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGSTKFLT 16 +#define SIGCHLD 17 +#define SIGCONT 18 +#define SIGSTOP 19 +#define SIGTSTP 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGURG 23 +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGIO 29 +#define SIGPOLL SIGIO +/* +#define SIGLOST 29 +*/ +#define SIGPWR 30 +#define SIGSYS 31 +#define SIGUNUSED 31 + +/* These should not be considered constants from userland. */ +#define SIGRTMIN 32 +#define SIGRTMAX _NSIG + +/* + * SA_FLAGS values: + * + * SA_ONSTACK indicates that a registered stack_t will be used. + * SA_RESTART flag to get restarting signals (which were the default long ago) + * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. + * SA_RESETHAND clears the handler when the signal is delivered. + * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. + * SA_NODEFER prevents the current signal from being masked in the handler. + * + * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single + * Unix names RESETHAND and NODEFER respectively. + */ +#define SA_NOCLDSTOP 0x00000001 +#define SA_NOCLDWAIT 0x00000002 /* not supported yet */ +#define SA_SIGINFO 0x00000004 +#define SA_ONSTACK 0x08000000 +#define SA_RESTART 0x10000000 +#define SA_NODEFER 0x40000000 +#define SA_RESETHAND 0x80000000 + +#define SA_NOMASK SA_NODEFER +#define SA_ONESHOT SA_RESETHAND + +#define SA_RESTORER 0x04000000 + +/* + * sigaltstack controls + */ +#define SS_ONSTACK 1 +#define SS_DISABLE 2 + +#define MINSIGSTKSZ 2048 +#define SIGSTKSZ 8192 + +#include <asm-generic/signal-defs.h> + +#ifndef __KERNEL__ +/* Here we must cater to libcs that poke about in kernel headers. */ + +struct sigaction { + union { + __sighandler_t _sa_handler; + void (*_sa_sigaction)(int, struct siginfo *, void *); + } _u; + sigset_t sa_mask; + unsigned long sa_flags; + void (*sa_restorer)(void); +}; + +#define sa_handler _u._sa_handler +#define sa_sigaction _u._sa_sigaction + +#endif /* __KERNEL__ */ + +typedef struct sigaltstack { + void *ss_sp; + int ss_flags; + size_t ss_size; +} stack_t; + + +#endif /* _UAPI_H8300_SIGNAL_H */ diff --git a/arch/h8300/include/asm/socket.h b/arch/h8300/include/uapi/asm/socket.h index 90a2e573c7e6..90a2e573c7e6 100644 --- a/arch/h8300/include/asm/socket.h +++ b/arch/h8300/include/uapi/asm/socket.h diff --git a/arch/h8300/include/asm/sockios.h b/arch/h8300/include/uapi/asm/sockios.h index e9c7ec810c23..e9c7ec810c23 100644 --- a/arch/h8300/include/asm/sockios.h +++ b/arch/h8300/include/uapi/asm/sockios.h diff --git a/arch/h8300/include/asm/stat.h b/arch/h8300/include/uapi/asm/stat.h index 62c3cc24dfe6..62c3cc24dfe6 100644 --- a/arch/h8300/include/asm/stat.h +++ b/arch/h8300/include/uapi/asm/stat.h diff --git a/arch/h8300/include/asm/statfs.h b/arch/h8300/include/uapi/asm/statfs.h index b96efa712aac..b96efa712aac 100644 --- a/arch/h8300/include/asm/statfs.h +++ b/arch/h8300/include/uapi/asm/statfs.h diff --git a/arch/h8300/include/asm/swab.h b/arch/h8300/include/uapi/asm/swab.h index 39abbf52807d..39abbf52807d 100644 --- a/arch/h8300/include/asm/swab.h +++ b/arch/h8300/include/uapi/asm/swab.h diff --git a/arch/h8300/include/asm/termbits.h b/arch/h8300/include/uapi/asm/termbits.h index 3287a6244d74..3287a6244d74 100644 --- a/arch/h8300/include/asm/termbits.h +++ b/arch/h8300/include/uapi/asm/termbits.h diff --git a/arch/h8300/include/uapi/asm/termios.h b/arch/h8300/include/uapi/asm/termios.h new file mode 100644 index 000000000000..5a67d7e38843 --- /dev/null +++ b/arch/h8300/include/uapi/asm/termios.h @@ -0,0 +1,44 @@ +#ifndef _UAPI_H8300_TERMIOS_H +#define _UAPI_H8300_TERMIOS_H + +#include <asm/termbits.h> +#include <asm/ioctls.h> + +struct winsize { + unsigned short ws_row; + unsigned short ws_col; + unsigned short ws_xpixel; + unsigned short ws_ypixel; +}; + +#define NCC 8 +struct termio { + unsigned short c_iflag; /* input mode flags */ + unsigned short c_oflag; /* output mode flags */ + unsigned short c_cflag; /* control mode flags */ + unsigned short c_lflag; /* local mode flags */ + unsigned char c_line; /* line discipline */ + unsigned char c_cc[NCC]; /* control characters */ +}; + + +/* modem lines */ +#define TIOCM_LE 0x001 +#define TIOCM_DTR 0x002 +#define TIOCM_RTS 0x004 +#define TIOCM_ST 0x008 +#define TIOCM_SR 0x010 +#define TIOCM_CTS 0x020 +#define TIOCM_CAR 0x040 +#define TIOCM_RNG 0x080 +#define TIOCM_DSR 0x100 +#define TIOCM_CD TIOCM_CAR +#define TIOCM_RI TIOCM_RNG +#define TIOCM_OUT1 0x2000 +#define TIOCM_OUT2 0x4000 +#define TIOCM_LOOP 0x8000 + +/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ + + +#endif /* _UAPI_H8300_TERMIOS_H */ diff --git a/arch/h8300/include/uapi/asm/types.h b/arch/h8300/include/uapi/asm/types.h new file mode 100644 index 000000000000..9ec9d4c5ac4d --- /dev/null +++ b/arch/h8300/include/uapi/asm/types.h @@ -0,0 +1 @@ +#include <asm-generic/int-ll64.h> diff --git a/arch/h8300/include/uapi/asm/unistd.h b/arch/h8300/include/uapi/asm/unistd.h new file mode 100644 index 000000000000..8cb5d429f840 --- /dev/null +++ b/arch/h8300/include/uapi/asm/unistd.h @@ -0,0 +1,330 @@ +#ifndef _UAPI_ASM_H8300_UNISTD_H_ +#define _UAPI_ASM_H8300_UNISTD_H_ + +/* + * This file contains the system call numbers. + */ + +#define __NR_restart_syscall 0 +#define __NR_exit 1 +#define __NR_fork 2 +#define __NR_read 3 +#define __NR_write 4 +#define __NR_open 5 +#define __NR_close 6 +#define __NR_waitpid 7 +#define __NR_creat 8 +#define __NR_link 9 +#define __NR_unlink 10 +#define __NR_execve 11 +#define __NR_chdir 12 +#define __NR_time 13 +#define __NR_mknod 14 +#define __NR_chmod 15 +#define __NR_lchown 16 +#define __NR_break 17 +#define __NR_oldstat 18 +#define __NR_lseek 19 +#define __NR_getpid 20 +#define __NR_mount 21 +#define __NR_umount 22 +#define __NR_setuid 23 +#define __NR_getuid 24 +#define __NR_stime 25 +#define __NR_ptrace 26 +#define __NR_alarm 27 +#define __NR_oldfstat 28 +#define __NR_pause 29 +#define __NR_utime 30 +#define __NR_stty 31 +#define __NR_gtty 32 +#define __NR_access 33 +#define __NR_nice 34 +#define __NR_ftime 35 +#define __NR_sync 36 +#define __NR_kill 37 +#define __NR_rename 38 +#define __NR_mkdir 39 +#define __NR_rmdir 40 +#define __NR_dup 41 +#define __NR_pipe 42 +#define __NR_times 43 +#define __NR_prof 44 +#define __NR_brk 45 +#define __NR_setgid 46 +#define __NR_getgid 47 +#define __NR_signal 48 +#define __NR_geteuid 49 +#define __NR_getegid 50 +#define __NR_acct 51 +#define __NR_umount2 52 +#define __NR_lock 53 +#define __NR_ioctl 54 +#define __NR_fcntl 55 +#define __NR_mpx 56 +#define __NR_setpgid 57 +#define __NR_ulimit 58 +#define __NR_oldolduname 59 +#define __NR_umask 60 +#define __NR_chroot 61 +#define __NR_ustat 62 +#define __NR_dup2 63 +#define __NR_getppid 64 +#define __NR_getpgrp 65 +#define __NR_setsid 66 +#define __NR_sigaction 67 +#define __NR_sgetmask 68 +#define __NR_ssetmask 69 +#define __NR_setreuid 70 +#define __NR_setregid 71 +#define __NR_sigsuspend 72 +#define __NR_sigpending 73 +#define __NR_sethostname 74 +#define __NR_setrlimit 75 +#define __NR_getrlimit 76 +#define __NR_getrusage 77 +#define __NR_gettimeofday 78 +#define __NR_settimeofday 79 +#define __NR_getgroups 80 +#define __NR_setgroups 81 +#define __NR_select 82 +#define __NR_symlink 83 +#define __NR_oldlstat 84 +#define __NR_readlink 85 +#define __NR_uselib 86 +#define __NR_swapon 87 +#define __NR_reboot 88 +#define __NR_readdir 89 +#define __NR_mmap 90 +#define __NR_munmap 91 +#define __NR_truncate 92 +#define __NR_ftruncate 93 +#define __NR_fchmod 94 +#define __NR_fchown 95 +#define __NR_getpriority 96 +#define __NR_setpriority 97 +#define __NR_profil 98 +#define __NR_statfs 99 +#define __NR_fstatfs 100 +#define __NR_ioperm 101 +#define __NR_socketcall 102 +#define __NR_syslog 103 +#define __NR_setitimer 104 +#define __NR_getitimer 105 +#define __NR_stat 106 +#define __NR_lstat 107 +#define __NR_fstat 108 +#define __NR_olduname 109 +#define __NR_iopl 110 +#define __NR_vhangup 111 +#define __NR_idle 112 +#define __NR_vm86old 113 +#define __NR_wait4 114 +#define __NR_swapoff 115 +#define __NR_sysinfo 116 +#define __NR_ipc 117 +#define __NR_fsync 118 +#define __NR_sigreturn 119 +#define __NR_clone 120 +#define __NR_setdomainname 121 +#define __NR_uname 122 +#define __NR_modify_ldt 123 +#define __NR_adjtimex 124 +#define __NR_mprotect 125 +#define __NR_sigprocmask 126 +#define __NR_create_module 127 +#define __NR_init_module 128 +#define __NR_delete_module 129 +#define __NR_get_kernel_syms 130 +#define __NR_quotactl 131 +#define __NR_getpgid 132 +#define __NR_fchdir 133 +#define __NR_bdflush 134 +#define __NR_sysfs 135 +#define __NR_personality 136 +#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ +#define __NR_setfsuid 138 +#define __NR_setfsgid 139 +#define __NR__llseek 140 +#define __NR_getdents 141 +#define __NR__newselect 142 +#define __NR_flock 143 +#define __NR_msync 144 +#define __NR_readv 145 +#define __NR_writev 146 +#define __NR_getsid 147 +#define __NR_fdatasync 148 +#define __NR__sysctl 149 +#define __NR_mlock 150 +#define __NR_munlock 151 +#define __NR_mlockall 152 +#define __NR_munlockall 153 +#define __NR_sched_setparam 154 +#define __NR_sched_getparam 155 +#define __NR_sched_setscheduler 156 +#define __NR_sched_getscheduler 157 +#define __NR_sched_yield 158 +#define __NR_sched_get_priority_max 159 +#define __NR_sched_get_priority_min 160 +#define __NR_sched_rr_get_interval 161 +#define __NR_nanosleep 162 +#define __NR_mremap 163 +#define __NR_setresuid 164 +#define __NR_getresuid 165 +#define __NR_vm86 166 +#define __NR_query_module 167 +#define __NR_poll 168 +#define __NR_nfsservctl 169 +#define __NR_setresgid 170 +#define __NR_getresgid 171 +#define __NR_prctl 172 +#define __NR_rt_sigreturn 173 +#define __NR_rt_sigaction 174 +#define __NR_rt_sigprocmask 175 +#define __NR_rt_sigpending 176 +#define __NR_rt_sigtimedwait 177 +#define __NR_rt_sigqueueinfo 178 +#define __NR_rt_sigsuspend 179 +#define __NR_pread64 180 +#define __NR_pwrite64 181 +#define __NR_chown 182 +#define __NR_getcwd 183 +#define __NR_capget 184 +#define __NR_capset 185 +#define __NR_sigaltstack 186 +#define __NR_sendfile 187 +#define __NR_getpmsg 188 /* some people actually want streams */ +#define __NR_putpmsg 189 /* some people actually want streams */ +#define __NR_vfork 190 +#define __NR_ugetrlimit 191 +#define __NR_mmap2 192 +#define __NR_truncate64 193 +#define __NR_ftruncate64 194 +#define __NR_stat64 195 +#define __NR_lstat64 196 +#define __NR_fstat64 197 +#define __NR_lchown32 198 +#define __NR_getuid32 199 +#define __NR_getgid32 200 +#define __NR_geteuid32 201 +#define __NR_getegid32 202 +#define __NR_setreuid32 203 +#define __NR_setregid32 204 +#define __NR_getgroups32 205 +#define __NR_setgroups32 206 +#define __NR_fchown32 207 +#define __NR_setresuid32 208 +#define __NR_getresuid32 209 +#define __NR_setresgid32 210 +#define __NR_getresgid32 211 +#define __NR_chown32 212 +#define __NR_setuid32 213 +#define __NR_setgid32 214 +#define __NR_setfsuid32 215 +#define __NR_setfsgid32 216 +#define __NR_pivot_root 217 +#define __NR_mincore 218 +#define __NR_madvise 219 +#define __NR_madvise1 219 +#define __NR_getdents64 220 +#define __NR_fcntl64 221 +/* 223 is unused */ +#define __NR_gettid 224 +#define __NR_readahead 225 +#define __NR_setxattr 226 +#define __NR_lsetxattr 227 +#define __NR_fsetxattr 228 +#define __NR_getxattr 229 +#define __NR_lgetxattr 230 +#define __NR_fgetxattr 231 +#define __NR_listxattr 232 +#define __NR_llistxattr 233 +#define __NR_flistxattr 234 +#define __NR_removexattr 235 +#define __NR_lremovexattr 236 +#define __NR_fremovexattr 237 +#define __NR_tkill 238 +#define __NR_sendfile64 239 +#define __NR_futex 240 +#define __NR_sched_setaffinity 241 +#define __NR_sched_getaffinity 242 +#define __NR_set_thread_area 243 +#define __NR_get_thread_area 244 +#define __NR_io_setup 245 +#define __NR_io_destroy 246 +#define __NR_io_getevents 247 +#define __NR_io_submit 248 +#define __NR_io_cancel 249 +#define __NR_fadvise64 250 +/* 251 is available for reuse (was briefly sys_set_zone_reclaim) */ +#define __NR_exit_group 252 +#define __NR_lookup_dcookie 253 +#define __NR_epoll_create 254 +#define __NR_epoll_ctl 255 +#define __NR_epoll_wait 256 +#define __NR_remap_file_pages 257 +#define __NR_set_tid_address 258 +#define __NR_timer_create 259 +#define __NR_timer_settime (__NR_timer_create+1) +#define __NR_timer_gettime (__NR_timer_create+2) +#define __NR_timer_getoverrun (__NR_timer_create+3) +#define __NR_timer_delete (__NR_timer_create+4) +#define __NR_clock_settime (__NR_timer_create+5) +#define __NR_clock_gettime (__NR_timer_create+6) +#define __NR_clock_getres (__NR_timer_create+7) +#define __NR_clock_nanosleep (__NR_timer_create+8) +#define __NR_statfs64 268 +#define __NR_fstatfs64 269 +#define __NR_tgkill 270 +#define __NR_utimes 271 +#define __NR_fadvise64_64 272 +#define __NR_vserver 273 +#define __NR_mbind 274 +#define __NR_get_mempolicy 275 +#define __NR_set_mempolicy 276 +#define __NR_mq_open 277 +#define __NR_mq_unlink (__NR_mq_open+1) +#define __NR_mq_timedsend (__NR_mq_open+2) +#define __NR_mq_timedreceive (__NR_mq_open+3) +#define __NR_mq_notify (__NR_mq_open+4) +#define __NR_mq_getsetattr (__NR_mq_open+5) +#define __NR_kexec_load 283 +#define __NR_waitid 284 +/* #define __NR_sys_setaltroot 285 */ +#define __NR_add_key 286 +#define __NR_request_key 287 +#define __NR_keyctl 288 +#define __NR_ioprio_set 289 +#define __NR_ioprio_get 290 +#define __NR_inotify_init 291 +#define __NR_inotify_add_watch 292 +#define __NR_inotify_rm_watch 293 +#define __NR_migrate_pages 294 +#define __NR_openat 295 +#define __NR_mkdirat 296 +#define __NR_mknodat 297 +#define __NR_fchownat 298 +#define __NR_futimesat 299 +#define __NR_fstatat64 300 +#define __NR_unlinkat 301 +#define __NR_renameat 302 +#define __NR_linkat 303 +#define __NR_symlinkat 304 +#define __NR_readlinkat 305 +#define __NR_fchmodat 306 +#define __NR_faccessat 307 +#define __NR_pselect6 308 +#define __NR_ppoll 309 +#define __NR_unshare 310 +#define __NR_set_robust_list 311 +#define __NR_get_robust_list 312 +#define __NR_splice 313 +#define __NR_sync_file_range 314 +#define __NR_tee 315 +#define __NR_vmsplice 316 +#define __NR_move_pages 317 +#define __NR_getcpu 318 +#define __NR_epoll_pwait 319 +#define __NR_setns 320 + +#endif /* _UAPI_ASM_H8300_UNISTD_H_ */ diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c index 5e34ccf39a49..2a625fb063e1 100644 --- a/arch/parisc/kernel/module.c +++ b/arch/parisc/kernel/module.c @@ -214,8 +214,6 @@ static inline int reassemble_22(int as22) void *module_alloc(unsigned long size) { - if (size == 0) - return NULL; /* using RWX means less protection for modules, but it's * easier than trying to map the text, data, init_text and * init_data correctly */ diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index cec8aae5cbf8..97909d3b1d7b 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -356,3 +356,4 @@ COMPAT_SYS_SPU(sendmmsg) SYSCALL_SPU(setns) COMPAT_SYS(process_vm_readv) COMPAT_SYS(process_vm_writev) +SYSCALL(finit_module) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index bcbbe413c606..29365e15ed7c 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -12,7 +12,7 @@ #include <uapi/asm/unistd.h> -#define __NR_syscalls 353 +#define __NR_syscalls 354 #define __NR__exit __NR_exit #define NR_syscalls __NR_syscalls diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h index 380b5d37a904..8c478c6c6b1e 100644 --- a/arch/powerpc/include/uapi/asm/unistd.h +++ b/arch/powerpc/include/uapi/asm/unistd.h @@ -375,6 +375,7 @@ #define __NR_setns 350 #define __NR_process_vm_readv 351 #define __NR_process_vm_writev 352 +#define __NR_finit_module 353 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */ diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild index 16e41fe1a419..cebaff8069a1 100644 --- a/arch/score/include/asm/Kbuild +++ b/arch/score/include/asm/Kbuild @@ -1,4 +1,3 @@ -include include/asm-generic/Kbuild.asm header-y += diff --git a/arch/score/include/asm/ptrace.h b/arch/score/include/asm/ptrace.h index e89dc9b1ef49..78fc538db84c 100644 --- a/arch/score/include/asm/ptrace.h +++ b/arch/score/include/asm/ptrace.h @@ -1,78 +1,8 @@ #ifndef _ASM_SCORE_PTRACE_H #define _ASM_SCORE_PTRACE_H -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 +#include <uapi/asm/ptrace.h> -#define PC 32 -#define CONDITION 33 -#define ECR 34 -#define EMA 35 -#define CEH 36 -#define CEL 37 -#define COUNTER 38 -#define LDCR 39 -#define STCR 40 -#define PSR 41 - -#define SINGLESTEP16_INSN 0x7006 -#define SINGLESTEP32_INSN 0x840C8000 -#define BREAKPOINT16_INSN 0x7002 /* work on SPG300 */ -#define BREAKPOINT32_INSN 0x84048000 /* work on SPG300 */ - -/* Define instruction mask */ -#define INSN32_MASK 0x80008000 - -#define J32 0x88008000 /* 1_00010_0000000000_1_000000000000000 */ -#define J32M 0xFC008000 /* 1_11111_0000000000_1_000000000000000 */ - -#define B32 0x90008000 /* 1_00100_0000000000_1_000000000000000 */ -#define B32M 0xFC008000 -#define BL32 0x90008001 /* 1_00100_0000000000_1_000000000000001 */ -#define BL32M B32 -#define BR32 0x80008008 /* 1_00000_0000000000_1_00000000_000100_0 */ -#define BR32M 0xFFE0807E -#define BRL32 0x80008009 /* 1_00000_0000000000_1_00000000_000100_1 */ -#define BRL32M BR32M - -#define B32_SET (J32 | B32 | BL32 | BR32 | BRL32) - -#define J16 0x3000 /* 0_011_....... */ -#define J16M 0xF000 -#define B16 0x4000 /* 0_100_....... */ -#define B16M 0xF000 -#define BR16 0x0004 /* 0_000.......0100 */ -#define BR16M 0xF00F -#define B16_SET (J16 | B16 | BR16) - - -/* - * This struct defines the way the registers are stored on the stack during a - * system call/exception. As usual the registers k0/k1 aren't being saved. - */ -struct pt_regs { - unsigned long pad0[6]; /* stack arguments */ - unsigned long orig_r4; - unsigned long orig_r7; - long is_syscall; - - unsigned long regs[32]; - - unsigned long cel; - unsigned long ceh; - - unsigned long sr0; /* cnt */ - unsigned long sr1; /* lcr */ - unsigned long sr2; /* scr */ - - unsigned long cp0_epc; - unsigned long cp0_ema; - unsigned long cp0_psr; - unsigned long cp0_ecr; - unsigned long cp0_condition; -}; - -#ifdef __KERNEL__ struct task_struct; @@ -91,6 +21,4 @@ extern int read_tsk_short(struct task_struct *, unsigned long, #define arch_has_single_step() (1) -#endif /* __KERNEL__ */ - #endif /* _ASM_SCORE_PTRACE_H */ diff --git a/arch/score/include/asm/setup.h b/arch/score/include/asm/setup.h index 3cb944dc68dc..1f3aa7262fa3 100644 --- a/arch/score/include/asm/setup.h +++ b/arch/score/include/asm/setup.h @@ -1,11 +1,8 @@ #ifndef _ASM_SCORE_SETUP_H #define _ASM_SCORE_SETUP_H -#define COMMAND_LINE_SIZE 256 -#define MEMORY_START 0 -#define MEMORY_SIZE 0x2000000 +#include <uapi/asm/setup.h> -#ifdef __KERNEL__ extern void pagetable_init(void); extern void pgd_init(unsigned long page); @@ -36,6 +33,4 @@ extern void debug_exception_vector(void); extern void general_exception_vector(void); extern void interrupt_exception_vector(void); -#endif /* __KERNEL__ */ - #endif /* _ASM_SCORE_SETUP_H */ diff --git a/arch/score/include/uapi/asm/Kbuild b/arch/score/include/uapi/asm/Kbuild index baebb3da1d44..040178cdb3eb 100644 --- a/arch/score/include/uapi/asm/Kbuild +++ b/arch/score/include/uapi/asm/Kbuild @@ -1,3 +1,34 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm +header-y += auxvec.h +header-y += bitsperlong.h +header-y += byteorder.h +header-y += errno.h +header-y += fcntl.h +header-y += ioctl.h +header-y += ioctls.h +header-y += ipcbuf.h +header-y += kvm_para.h +header-y += mman.h +header-y += msgbuf.h +header-y += param.h +header-y += poll.h +header-y += posix_types.h +header-y += ptrace.h +header-y += resource.h +header-y += sembuf.h +header-y += setup.h +header-y += shmbuf.h +header-y += sigcontext.h +header-y += siginfo.h +header-y += signal.h +header-y += socket.h +header-y += sockios.h +header-y += stat.h +header-y += statfs.h +header-y += swab.h +header-y += termbits.h +header-y += termios.h +header-y += types.h +header-y += unistd.h diff --git a/arch/score/include/asm/auxvec.h b/arch/score/include/uapi/asm/auxvec.h index f69151565aee..f69151565aee 100644 --- a/arch/score/include/asm/auxvec.h +++ b/arch/score/include/uapi/asm/auxvec.h diff --git a/arch/score/include/asm/bitsperlong.h b/arch/score/include/uapi/asm/bitsperlong.h index 86ff337aa459..86ff337aa459 100644 --- a/arch/score/include/asm/bitsperlong.h +++ b/arch/score/include/uapi/asm/bitsperlong.h diff --git a/arch/score/include/asm/byteorder.h b/arch/score/include/uapi/asm/byteorder.h index 88cbebc79212..88cbebc79212 100644 --- a/arch/score/include/asm/byteorder.h +++ b/arch/score/include/uapi/asm/byteorder.h diff --git a/arch/score/include/asm/errno.h b/arch/score/include/uapi/asm/errno.h index 29ff39d5ab47..29ff39d5ab47 100644 --- a/arch/score/include/asm/errno.h +++ b/arch/score/include/uapi/asm/errno.h diff --git a/arch/score/include/asm/fcntl.h b/arch/score/include/uapi/asm/fcntl.h index 03968a3103a4..03968a3103a4 100644 --- a/arch/score/include/asm/fcntl.h +++ b/arch/score/include/uapi/asm/fcntl.h diff --git a/arch/score/include/asm/ioctl.h b/arch/score/include/uapi/asm/ioctl.h index a351d2194bfd..a351d2194bfd 100644 --- a/arch/score/include/asm/ioctl.h +++ b/arch/score/include/uapi/asm/ioctl.h diff --git a/arch/score/include/asm/ioctls.h b/arch/score/include/uapi/asm/ioctls.h index ed01d2b9aeab..ed01d2b9aeab 100644 --- a/arch/score/include/asm/ioctls.h +++ b/arch/score/include/uapi/asm/ioctls.h diff --git a/arch/score/include/asm/ipcbuf.h b/arch/score/include/uapi/asm/ipcbuf.h index e082ceff1818..e082ceff1818 100644 --- a/arch/score/include/asm/ipcbuf.h +++ b/arch/score/include/uapi/asm/ipcbuf.h diff --git a/arch/score/include/asm/kvm_para.h b/arch/score/include/uapi/asm/kvm_para.h index 14fab8f0b957..14fab8f0b957 100644 --- a/arch/score/include/asm/kvm_para.h +++ b/arch/score/include/uapi/asm/kvm_para.h diff --git a/arch/score/include/asm/mman.h b/arch/score/include/uapi/asm/mman.h index 84d85ddfed8d..84d85ddfed8d 100644 --- a/arch/score/include/asm/mman.h +++ b/arch/score/include/uapi/asm/mman.h diff --git a/arch/score/include/asm/msgbuf.h b/arch/score/include/uapi/asm/msgbuf.h index 7506721e29fa..7506721e29fa 100644 --- a/arch/score/include/asm/msgbuf.h +++ b/arch/score/include/uapi/asm/msgbuf.h diff --git a/arch/score/include/asm/param.h b/arch/score/include/uapi/asm/param.h index 916b8690b6aa..916b8690b6aa 100644 --- a/arch/score/include/asm/param.h +++ b/arch/score/include/uapi/asm/param.h diff --git a/arch/score/include/asm/poll.h b/arch/score/include/uapi/asm/poll.h index 18532db02861..18532db02861 100644 --- a/arch/score/include/asm/poll.h +++ b/arch/score/include/uapi/asm/poll.h diff --git a/arch/score/include/asm/posix_types.h b/arch/score/include/uapi/asm/posix_types.h index b88acf80048a..b88acf80048a 100644 --- a/arch/score/include/asm/posix_types.h +++ b/arch/score/include/uapi/asm/posix_types.h diff --git a/arch/score/include/uapi/asm/ptrace.h b/arch/score/include/uapi/asm/ptrace.h new file mode 100644 index 000000000000..f59771a3f127 --- /dev/null +++ b/arch/score/include/uapi/asm/ptrace.h @@ -0,0 +1,76 @@ +#ifndef _UAPI_ASM_SCORE_PTRACE_H +#define _UAPI_ASM_SCORE_PTRACE_H + +#define PTRACE_GETREGS 12 +#define PTRACE_SETREGS 13 + +#define PC 32 +#define CONDITION 33 +#define ECR 34 +#define EMA 35 +#define CEH 36 +#define CEL 37 +#define COUNTER 38 +#define LDCR 39 +#define STCR 40 +#define PSR 41 + +#define SINGLESTEP16_INSN 0x7006 +#define SINGLESTEP32_INSN 0x840C8000 +#define BREAKPOINT16_INSN 0x7002 /* work on SPG300 */ +#define BREAKPOINT32_INSN 0x84048000 /* work on SPG300 */ + +/* Define instruction mask */ +#define INSN32_MASK 0x80008000 + +#define J32 0x88008000 /* 1_00010_0000000000_1_000000000000000 */ +#define J32M 0xFC008000 /* 1_11111_0000000000_1_000000000000000 */ + +#define B32 0x90008000 /* 1_00100_0000000000_1_000000000000000 */ +#define B32M 0xFC008000 +#define BL32 0x90008001 /* 1_00100_0000000000_1_000000000000001 */ +#define BL32M B32 +#define BR32 0x80008008 /* 1_00000_0000000000_1_00000000_000100_0 */ +#define BR32M 0xFFE0807E +#define BRL32 0x80008009 /* 1_00000_0000000000_1_00000000_000100_1 */ +#define BRL32M BR32M + +#define B32_SET (J32 | B32 | BL32 | BR32 | BRL32) + +#define J16 0x3000 /* 0_011_....... */ +#define J16M 0xF000 +#define B16 0x4000 /* 0_100_....... */ +#define B16M 0xF000 +#define BR16 0x0004 /* 0_000.......0100 */ +#define BR16M 0xF00F +#define B16_SET (J16 | B16 | BR16) + + +/* + * This struct defines the way the registers are stored on the stack during a + * system call/exception. As usual the registers k0/k1 aren't being saved. + */ +struct pt_regs { + unsigned long pad0[6]; /* stack arguments */ + unsigned long orig_r4; + unsigned long orig_r7; + long is_syscall; + + unsigned long regs[32]; + + unsigned long cel; + unsigned long ceh; + + unsigned long sr0; /* cnt */ + unsigned long sr1; /* lcr */ + unsigned long sr2; /* scr */ + + unsigned long cp0_epc; + unsigned long cp0_ema; + unsigned long cp0_psr; + unsigned long cp0_ecr; + unsigned long cp0_condition; +}; + + +#endif /* _UAPI_ASM_SCORE_PTRACE_H */ diff --git a/arch/score/include/asm/resource.h b/arch/score/include/uapi/asm/resource.h index 9ce22bc7b475..9ce22bc7b475 100644 --- a/arch/score/include/asm/resource.h +++ b/arch/score/include/uapi/asm/resource.h diff --git a/arch/score/include/asm/sembuf.h b/arch/score/include/uapi/asm/sembuf.h index dae5e835ce9e..dae5e835ce9e 100644 --- a/arch/score/include/asm/sembuf.h +++ b/arch/score/include/uapi/asm/sembuf.h diff --git a/arch/score/include/uapi/asm/setup.h b/arch/score/include/uapi/asm/setup.h new file mode 100644 index 000000000000..ab9dbdb59bba --- /dev/null +++ b/arch/score/include/uapi/asm/setup.h @@ -0,0 +1,9 @@ +#ifndef _UAPI_ASM_SCORE_SETUP_H +#define _UAPI_ASM_SCORE_SETUP_H + +#define COMMAND_LINE_SIZE 256 +#define MEMORY_START 0 +#define MEMORY_SIZE 0x2000000 + + +#endif /* _UAPI_ASM_SCORE_SETUP_H */ diff --git a/arch/score/include/asm/shmbuf.h b/arch/score/include/uapi/asm/shmbuf.h index c85b2429ba21..c85b2429ba21 100644 --- a/arch/score/include/asm/shmbuf.h +++ b/arch/score/include/uapi/asm/shmbuf.h diff --git a/arch/score/include/asm/sigcontext.h b/arch/score/include/uapi/asm/sigcontext.h index 5ffda39ddb90..5ffda39ddb90 100644 --- a/arch/score/include/asm/sigcontext.h +++ b/arch/score/include/uapi/asm/sigcontext.h diff --git a/arch/score/include/asm/siginfo.h b/arch/score/include/uapi/asm/siginfo.h index 87ca35607a28..87ca35607a28 100644 --- a/arch/score/include/asm/siginfo.h +++ b/arch/score/include/uapi/asm/siginfo.h diff --git a/arch/score/include/asm/signal.h b/arch/score/include/uapi/asm/signal.h index 2605bc06b64f..2605bc06b64f 100644 --- a/arch/score/include/asm/signal.h +++ b/arch/score/include/uapi/asm/signal.h diff --git a/arch/score/include/asm/socket.h b/arch/score/include/uapi/asm/socket.h index 612a70e385ba..612a70e385ba 100644 --- a/arch/score/include/asm/socket.h +++ b/arch/score/include/uapi/asm/socket.h diff --git a/arch/score/include/asm/sockios.h b/arch/score/include/uapi/asm/sockios.h index ba8256480189..ba8256480189 100644 --- a/arch/score/include/asm/sockios.h +++ b/arch/score/include/uapi/asm/sockios.h diff --git a/arch/score/include/asm/stat.h b/arch/score/include/uapi/asm/stat.h index 5037055500a2..5037055500a2 100644 --- a/arch/score/include/asm/stat.h +++ b/arch/score/include/uapi/asm/stat.h diff --git a/arch/score/include/asm/statfs.h b/arch/score/include/uapi/asm/statfs.h index 36e41004e996..36e41004e996 100644 --- a/arch/score/include/asm/statfs.h +++ b/arch/score/include/uapi/asm/statfs.h diff --git a/arch/score/include/asm/swab.h b/arch/score/include/uapi/asm/swab.h index fadc3cc6d8a2..fadc3cc6d8a2 100644 --- a/arch/score/include/asm/swab.h +++ b/arch/score/include/uapi/asm/swab.h diff --git a/arch/score/include/asm/termbits.h b/arch/score/include/uapi/asm/termbits.h index 9a95c1412437..9a95c1412437 100644 --- a/arch/score/include/asm/termbits.h +++ b/arch/score/include/uapi/asm/termbits.h diff --git a/arch/score/include/asm/termios.h b/arch/score/include/uapi/asm/termios.h index 40984e811ad6..40984e811ad6 100644 --- a/arch/score/include/asm/termios.h +++ b/arch/score/include/uapi/asm/termios.h diff --git a/arch/score/include/asm/types.h b/arch/score/include/uapi/asm/types.h index 2140032778ee..2140032778ee 100644 --- a/arch/score/include/asm/types.h +++ b/arch/score/include/uapi/asm/types.h diff --git a/arch/score/include/asm/unistd.h b/arch/score/include/uapi/asm/unistd.h index 56001c93095a..56001c93095a 100644 --- a/arch/score/include/asm/unistd.h +++ b/arch/score/include/uapi/asm/unistd.h diff --git a/arch/sparc/crypto/aes_asm.S b/arch/sparc/crypto/aes_asm.S index 23f6cbb910d3..1cda8aa7cb85 100644 --- a/arch/sparc/crypto/aes_asm.S +++ b/arch/sparc/crypto/aes_asm.S @@ -1024,7 +1024,11 @@ ENTRY(aes_sparc64_ecb_encrypt_256) add %o2, 0x20, %o2 brlz,pt %o3, 11f nop -10: ldx [%o1 + 0x00], %g3 +10: ldd [%o0 + 0xd0], %f56 + ldd [%o0 + 0xd8], %f58 + ldd [%o0 + 0xe0], %f60 + ldd [%o0 + 0xe8], %f62 + ldx [%o1 + 0x00], %g3 ldx [%o1 + 0x08], %g7 xor %g1, %g3, %g3 xor %g2, %g7, %g7 @@ -1128,9 +1132,9 @@ ENTRY(aes_sparc64_ecb_decrypt_256) /* %o0=&key[key_len], %o1=input, %o2=output, %o3=len */ ldx [%o0 - 0x10], %g1 subcc %o3, 0x10, %o3 + ldx [%o0 - 0x08], %g2 be 10f - ldx [%o0 - 0x08], %g2 - sub %o0, 0xf0, %o0 + sub %o0, 0xf0, %o0 1: ldx [%o1 + 0x00], %g3 ldx [%o1 + 0x08], %g7 ldx [%o1 + 0x10], %o4 @@ -1154,7 +1158,11 @@ ENTRY(aes_sparc64_ecb_decrypt_256) add %o2, 0x20, %o2 brlz,pt %o3, 11f nop -10: ldx [%o1 + 0x00], %g3 +10: ldd [%o0 + 0x18], %f56 + ldd [%o0 + 0x10], %f58 + ldd [%o0 + 0x08], %f60 + ldd [%o0 + 0x00], %f62 + ldx [%o1 + 0x00], %g3 ldx [%o1 + 0x08], %g7 xor %g1, %g3, %g3 xor %g2, %g7, %g7 @@ -1511,11 +1519,11 @@ ENTRY(aes_sparc64_ctr_crypt_256) add %o2, 0x20, %o2 brlz,pt %o3, 11f nop - ldd [%o0 + 0xd0], %f56 +10: ldd [%o0 + 0xd0], %f56 ldd [%o0 + 0xd8], %f58 ldd [%o0 + 0xe0], %f60 ldd [%o0 + 0xe8], %f62 -10: xor %g1, %g3, %o5 + xor %g1, %g3, %o5 MOVXTOD_O5_F0 xor %g2, %g7, %o5 MOVXTOD_O5_F2 diff --git a/arch/sparc/crypto/aes_glue.c b/arch/sparc/crypto/aes_glue.c index 3965d1d36dfa..503e6d96ad4e 100644 --- a/arch/sparc/crypto/aes_glue.c +++ b/arch/sparc/crypto/aes_glue.c @@ -222,6 +222,7 @@ static int ecb_encrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; ctx->ops->load_encrypt_keys(&ctx->key[0]); while ((nbytes = walk.nbytes)) { @@ -251,6 +252,7 @@ static int ecb_decrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; ctx->ops->load_decrypt_keys(&ctx->key[0]); key_end = &ctx->key[ctx->expanded_key_length / sizeof(u64)]; @@ -280,6 +282,7 @@ static int cbc_encrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; ctx->ops->load_encrypt_keys(&ctx->key[0]); while ((nbytes = walk.nbytes)) { @@ -309,6 +312,7 @@ static int cbc_decrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; ctx->ops->load_decrypt_keys(&ctx->key[0]); key_end = &ctx->key[ctx->expanded_key_length / sizeof(u64)]; @@ -329,6 +333,22 @@ static int cbc_decrypt(struct blkcipher_desc *desc, return err; } +static void ctr_crypt_final(struct crypto_sparc64_aes_ctx *ctx, + struct blkcipher_walk *walk) +{ + u8 *ctrblk = walk->iv; + u64 keystream[AES_BLOCK_SIZE / sizeof(u64)]; + u8 *src = walk->src.virt.addr; + u8 *dst = walk->dst.virt.addr; + unsigned int nbytes = walk->nbytes; + + ctx->ops->ecb_encrypt(&ctx->key[0], (const u64 *)ctrblk, + keystream, AES_BLOCK_SIZE); + crypto_xor((u8 *) keystream, src, nbytes); + memcpy(dst, keystream, nbytes); + crypto_inc(ctrblk, AES_BLOCK_SIZE); +} + static int ctr_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) @@ -338,10 +358,11 @@ static int ctr_crypt(struct blkcipher_desc *desc, int err; blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); + err = blkcipher_walk_virt_block(desc, &walk, AES_BLOCK_SIZE); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; ctx->ops->load_encrypt_keys(&ctx->key[0]); - while ((nbytes = walk.nbytes)) { + while ((nbytes = walk.nbytes) >= AES_BLOCK_SIZE) { unsigned int block_len = nbytes & AES_BLOCK_MASK; if (likely(block_len)) { @@ -353,6 +374,10 @@ static int ctr_crypt(struct blkcipher_desc *desc, nbytes &= AES_BLOCK_SIZE - 1; err = blkcipher_walk_done(desc, &walk, nbytes); } + if (walk.nbytes) { + ctr_crypt_final(ctx, &walk); + err = blkcipher_walk_done(desc, &walk, 0); + } fprs_write(0); return err; } @@ -418,7 +443,7 @@ static struct crypto_alg algs[] = { { .cra_driver_name = "ctr-aes-sparc64", .cra_priority = SPARC_CR_OPCODE_PRIORITY, .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, + .cra_blocksize = 1, .cra_ctxsize = sizeof(struct crypto_sparc64_aes_ctx), .cra_alignmask = 7, .cra_type = &crypto_blkcipher_type, diff --git a/arch/sparc/crypto/camellia_glue.c b/arch/sparc/crypto/camellia_glue.c index 62c89af3fd3f..888f6260b4ec 100644 --- a/arch/sparc/crypto/camellia_glue.c +++ b/arch/sparc/crypto/camellia_glue.c @@ -98,6 +98,7 @@ static int __ecb_crypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; if (encrypt) key = &ctx->encrypt_key[0]; @@ -160,6 +161,7 @@ static int cbc_encrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; key = &ctx->encrypt_key[0]; camellia_sparc64_load_keys(key, ctx->key_len); @@ -198,6 +200,7 @@ static int cbc_decrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; key = &ctx->decrypt_key[0]; camellia_sparc64_load_keys(key, ctx->key_len); diff --git a/arch/sparc/crypto/des_asm.S b/arch/sparc/crypto/des_asm.S index 30b6e90b28b2..b5c8fc269b5f 100644 --- a/arch/sparc/crypto/des_asm.S +++ b/arch/sparc/crypto/des_asm.S @@ -376,6 +376,7 @@ ENTRY(des3_ede_sparc64_ecb_crypt) 1: ldd [%o1 + 0x00], %f60 DES3_LOOP_BODY(60) std %f60, [%o2 + 0x00] + add %o1, 0x08, %o1 subcc %o3, 0x08, %o3 bne,pt %icc, 1b add %o2, 0x08, %o2 diff --git a/arch/sparc/crypto/des_glue.c b/arch/sparc/crypto/des_glue.c index 41524cebcc49..3065bc61f9d3 100644 --- a/arch/sparc/crypto/des_glue.c +++ b/arch/sparc/crypto/des_glue.c @@ -100,6 +100,7 @@ static int __ecb_crypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; if (encrypt) des_sparc64_load_keys(&ctx->encrypt_expkey[0]); @@ -147,6 +148,7 @@ static int cbc_encrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; des_sparc64_load_keys(&ctx->encrypt_expkey[0]); while ((nbytes = walk.nbytes)) { @@ -177,6 +179,7 @@ static int cbc_decrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; des_sparc64_load_keys(&ctx->decrypt_expkey[0]); while ((nbytes = walk.nbytes)) { @@ -266,6 +269,7 @@ static int __ecb3_crypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; if (encrypt) K = &ctx->encrypt_expkey[0]; @@ -317,6 +321,7 @@ static int cbc3_encrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; K = &ctx->encrypt_expkey[0]; des3_ede_sparc64_load_keys(K); @@ -352,6 +357,7 @@ static int cbc3_decrypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt(desc, &walk); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; K = &ctx->decrypt_expkey[0]; des3_ede_sparc64_load_keys(K); diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h index 8c5eed6d267f..9661e9bc7bb6 100644 --- a/arch/sparc/include/asm/hugetlb.h +++ b/arch/sparc/include/asm/hugetlb.h @@ -61,14 +61,20 @@ static inline pte_t huge_pte_wrprotect(pte_t pte) static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - ptep_set_wrprotect(mm, addr, ptep); + pte_t old_pte = *ptep; + set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte)); } static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t pte, int dirty) { - return ptep_set_access_flags(vma, addr, ptep, pte, dirty); + int changed = !pte_same(*ptep, pte); + if (changed) { + set_huge_pte_at(vma->vm_mm, addr, ptep, pte); + flush_tlb_page(vma, addr); + } + return changed; } static inline pte_t huge_ptep_get(pte_t *ptep) diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 95515f1e7cef..7870be0f5adc 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -617,6 +617,12 @@ static inline unsigned long pte_present(pte_t pte) return val; } +#define pte_accessible pte_accessible +static inline unsigned long pte_accessible(pte_t a) +{ + return pte_val(a) & _PAGE_VALID; +} + static inline unsigned long pte_special(pte_t pte) { return pte_val(pte) & _PAGE_SPECIAL; @@ -802,7 +808,7 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, * SUN4V NOTE: _PAGE_VALID is the same value in both the SUN4U * and SUN4V pte layout, so this inline test is fine. */ - if (likely(mm != &init_mm) && (pte_val(orig) & _PAGE_VALID)) + if (likely(mm != &init_mm) && pte_accessible(orig)) tlb_batch_add(mm, addr, ptep, orig, fullmm); } diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index f1ddc0d23679..4435488ebe25 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -43,10 +43,6 @@ void *module_alloc(unsigned long size) { void *ret; - /* We handle the zero case fine, unlike vmalloc */ - if (size == 0) - return NULL; - ret = module_map(size); if (ret) memset(ret, 0, size); diff --git a/arch/tile/kernel/module.c b/arch/tile/kernel/module.c index 243ffebe38d6..4918d91bc3a6 100644 --- a/arch/tile/kernel/module.c +++ b/arch/tile/kernel/module.c @@ -42,8 +42,6 @@ void *module_alloc(unsigned long size) int i = 0; int npages; - if (size == 0) - return NULL; npages = (size + PAGE_SIZE - 1) / PAGE_SIZE; pages = kmalloc(npages * sizeof(struct page *), GFP_KERNEL); if (pages == NULL) diff --git a/arch/unicore32/kernel/module.c b/arch/unicore32/kernel/module.c index 8fbe8577f5e6..16bd1495b934 100644 --- a/arch/unicore32/kernel/module.c +++ b/arch/unicore32/kernel/module.c @@ -27,9 +27,6 @@ void *module_alloc(unsigned long size) struct vm_struct *area; size = PAGE_ALIGN(size); - if (!size) - return NULL; - area = __get_vm_area(size, VM_ALLOC, MODULES_VADDR, MODULES_END); if (!area) return NULL; diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c index fbd895562292..3286a92e662a 100644 --- a/arch/x86/kernel/cpu/proc.c +++ b/arch/x86/kernel/cpu/proc.c @@ -26,11 +26,6 @@ static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c, #ifdef CONFIG_X86_32 static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c) { - /* - * We use exception 16 if we have hardware math and we've either seen - * it or the CPU claims it is internal - */ - int fpu_exception = c->hard_math && (ignore_fpu_irq || cpu_has_fpu); seq_printf(m, "fdiv_bug\t: %s\n" "hlt_bug\t\t: %s\n" @@ -45,7 +40,7 @@ static void show_cpuinfo_misc(struct seq_file *m, struct cpuinfo_x86 *c) c->f00f_bug ? "yes" : "no", c->coma_bug ? "yes" : "no", c->hard_math ? "yes" : "no", - fpu_exception ? "yes" : "no", + c->hard_math ? "yes" : "no", c->cpuid_level, c->wp_works_ok ? "yes" : "no"); } diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c index 6e03b0d69138..7dc4e459c2b3 100644 --- a/arch/x86/kernel/irqinit.c +++ b/arch/x86/kernel/irqinit.c @@ -42,39 +42,6 @@ * (these are usually mapped into the 0x30-0xff vector range) */ -#ifdef CONFIG_X86_32 -/* - * Note that on a 486, we don't want to do a SIGFPE on an irq13 - * as the irq is unreliable, and exception 16 works correctly - * (ie as explained in the intel literature). On a 386, you - * can't use exception 16 due to bad IBM design, so we have to - * rely on the less exact irq13. - * - * Careful.. Not only is IRQ13 unreliable, but it is also - * leads to races. IBM designers who came up with it should - * be shot. - */ - -static irqreturn_t math_error_irq(int cpl, void *dev_id) -{ - outb(0, 0xF0); - if (ignore_fpu_irq || !boot_cpu_data.hard_math) - return IRQ_NONE; - math_error(get_irq_regs(), 0, X86_TRAP_MF); - return IRQ_HANDLED; -} - -/* - * New motherboards sometimes make IRQ 13 be a PCI interrupt, - * so allow interrupt sharing. - */ -static struct irqaction fpu_irq = { - .handler = math_error_irq, - .name = "fpu", - .flags = IRQF_NO_THREAD, -}; -#endif - /* * IRQ2 is cascade interrupt to second interrupt controller */ @@ -242,13 +209,6 @@ void __init native_init_IRQ(void) setup_irq(2, &irq2); #ifdef CONFIG_X86_32 - /* - * External FPU? Set up irq13 if so, for - * original braindamaged IBM FERR coupling. - */ - if (boot_cpu_data.hard_math && !cpu_has_fpu) - setup_irq(FPU_IRQ, &fpu_irq); - irq_ctx_init(smp_processor_id()); #endif } diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index eb8586693e0b..ecffca11f4e9 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -69,9 +69,6 @@ asmlinkage int system_call(void); -/* Do we ignore FPU interrupts ? */ -char ignore_fpu_irq; - /* * The IDT has to be page-aligned to simplify the Pentium * F0 0F bug workaround. @@ -564,9 +561,6 @@ void math_error(struct pt_regs *regs, int error_code, int trapnr) dotraplinkage void do_coprocessor_error(struct pt_regs *regs, long error_code) { -#ifdef CONFIG_X86_32 - ignore_fpu_irq = 1; -#endif exception_enter(regs); math_error(regs, error_code, X86_TRAP_MF); exception_exit(regs); diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl index ee3c220ee500..05f404f53f59 100644 --- a/arch/x86/syscalls/syscall_32.tbl +++ b/arch/x86/syscalls/syscall_32.tbl @@ -356,3 +356,4 @@ 347 i386 process_vm_readv sys_process_vm_readv compat_sys_process_vm_readv 348 i386 process_vm_writev sys_process_vm_writev compat_sys_process_vm_writev 349 i386 kcmp sys_kcmp +350 i386 finit_module sys_finit_module diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl index a582bfed95bb..7c58c84b7bc8 100644 --- a/arch/x86/syscalls/syscall_64.tbl +++ b/arch/x86/syscalls/syscall_64.tbl @@ -319,6 +319,7 @@ 310 64 process_vm_readv sys_process_vm_readv 311 64 process_vm_writev sys_process_vm_writev 312 common kcmp sys_kcmp +313 common finit_module sys_finit_module # # x32-specific system call numbers start at 512 to avoid cache impact diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 2481f267be29..73d34e77c39c 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -17,6 +17,7 @@ config XTENSA select GENERIC_KERNEL_EXECVE select ARCH_WANT_OPTIONAL_GPIOLIB select CLONE_BACKWARDS + select IRQ_DOMAIN help Xtensa processors are 32-bit RISC machines designed by Tensilica primarily for embedded systems. These processors are both @@ -150,6 +151,15 @@ config XTENSA_PLATFORM_S6105 select SERIAL_CONSOLE select NO_IOPORT +config XTENSA_PLATFORM_XTFPGA + bool "XTFPGA" + select SERIAL_CONSOLE + select ETHOC + select XTENSA_CALIBRATE_CCOUNT + help + XTFPGA is the name of Tensilica board family (LX60, LX110, LX200, ML605). + This hardware is capable of running a full Linux distribution. + endchoice @@ -177,6 +187,17 @@ config CMDLINE time by entering them here. As a minimum, you should specify the memory size and the root device (e.g., mem=64M root=/dev/nfs). +config USE_OF + bool "Flattened Device Tree support" + select OF + select OF_EARLY_FLATTREE + help + Include support for flattened device tree machine descriptions. + +config BUILTIN_DTB + string "DTB to build into the kernel image" + depends on OF + source "mm/Kconfig" source "drivers/pcmcia/Kconfig" diff --git a/arch/xtensa/Kconfig.debug b/arch/xtensa/Kconfig.debug index 11c585295dd7..a34010e0e51c 100644 --- a/arch/xtensa/Kconfig.debug +++ b/arch/xtensa/Kconfig.debug @@ -2,6 +2,26 @@ menu "Kernel hacking" source "lib/Kconfig.debug" -endmenu +config LD_NO_RELAX + bool "Disable linker relaxation" + default n + help + Enable this function to disable link-time optimizations. + The default linker behavior is to combine identical literal + values to reduce code size and remove unnecessary overhead from + assembler-generated 'longcall' sequences. + Enabling this option improves the link time but increases the + code size, and possibly execution time. + +config S32C1I_SELFTEST + bool "Perform S32C1I instruction self-test at boot" + default y + help + Enable this option to test S32C1I instruction behavior at boot. + Correct operation of this instruction requires some cooperation from hardware + external to the processor (such as bus bridge, bus fabric, or memory controller). + It is easy to make wrong hardware configuration, this test should catch it early. + Say 'N' on stable hardware. +endmenu diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile index bb5ba61723f7..0aa72702f179 100644 --- a/arch/xtensa/Makefile +++ b/arch/xtensa/Makefile @@ -38,6 +38,7 @@ endif platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss platform-$(CONFIG_XTENSA_PLATFORM_S6105) := s6105 +platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga PLATFORM = $(platform-y) export PLATFORM @@ -49,6 +50,17 @@ KBUILD_CFLAGS += -pipe -mlongcalls KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,) +ifneq ($(CONFIG_LD_NO_RELAX),) +LDFLAGS := --no-relax +endif + +ifeq ($(shell echo -e __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1) +CHECKFLAGS += -D__XTENSA_EB__ +endif +ifeq ($(shell echo -e __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1) +CHECKFLAGS += -D__XTENSA_EL__ +endif + vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) @@ -75,6 +87,10 @@ core-y += $(buildvar) $(buildplf) libs-y += arch/xtensa/lib/ $(LIBGCC) +ifneq ($(CONFIG_BUILTIN_DTB),"") +core-$(CONFIG_OF) += arch/xtensa/boot/ +endif + boot := arch/xtensa/boot all: zImage @@ -84,7 +100,9 @@ bzImage : zImage zImage: vmlinux $(Q)$(MAKE) $(build)=$(boot) $@ +%.dtb: + $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ + define archhelp @echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)' endef - diff --git a/arch/xtensa/boot/Makefile b/arch/xtensa/boot/Makefile index 4018f8994196..818647e815d7 100644 --- a/arch/xtensa/boot/Makefile +++ b/arch/xtensa/boot/Makefile @@ -22,12 +22,35 @@ subdir-y := lib # Subdirs for the boot loader(s) bootdir-$(CONFIG_XTENSA_PLATFORM_ISS) += boot-elf -bootdir-$(CONFIG_XTENSA_PLATFORM_XT2000) += boot-redboot boot-elf +bootdir-$(CONFIG_XTENSA_PLATFORM_XT2000) += boot-redboot boot-elf boot-uboot +bootdir-$(CONFIG_XTENSA_PLATFORM_XTFPGA) += boot-redboot boot-elf boot-uboot +BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_BUILTIN_DTB)).dtb.o +ifneq ($(CONFIG_BUILTIN_DTB),"") +obj-$(CONFIG_OF) += $(BUILTIN_DTB) +endif + +# Rule to build device tree blobs +$(obj)/%.dtb: $(src)/dts/%.dts FORCE + $(call if_changed_dep,dtc) + +clean-files := *.dtb.S + zImage Image: $(bootdir-y) $(bootdir-y): $(addprefix $(obj)/,$(subdir-y)) \ $(addprefix $(obj)/,$(host-progs)) $(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS) +OBJCOPYFLAGS = --strip-all -R .comment -R .note.gnu.build-id -O binary + +vmlinux.bin: vmlinux FORCE + $(call if_changed,objcopy) + +vmlinux.bin.gz: vmlinux.bin FORCE + $(call if_changed,gzip) + +boot-elf: vmlinux.bin +boot-redboot: vmlinux.bin.gz +boot-uboot: vmlinux.bin.gz diff --git a/arch/xtensa/boot/boot-elf/Makefile b/arch/xtensa/boot/boot-elf/Makefile index f10992b89027..1fe01b78c124 100644 --- a/arch/xtensa/boot/boot-elf/Makefile +++ b/arch/xtensa/boot/boot-elf/Makefile @@ -4,9 +4,6 @@ # for more details. # -GZIP = gzip -GZIP_FLAGS = -v9fc - ifeq ($(BIG_ENDIAN),1) OBJCOPY_ARGS := -O elf32-xtensa-be else @@ -20,18 +17,17 @@ boot-y := bootstrap.o OBJS := $(addprefix $(obj)/,$(boot-y)) -vmlinux.tmp: vmlinux - $(OBJCOPY) --strip-all -R .comment -R .note.gnu.build-id -O binary \ - $^ $@ - -Image: vmlinux.tmp $(OBJS) arch/$(ARCH)/boot/boot-elf/boot.lds - $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \ - --add-section image=vmlinux.tmp \ +$(obj)/Image.o: vmlinux.bin $(OBJS) + $(Q)$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \ + --add-section image=vmlinux.bin \ --set-section-flags image=contents,alloc,load,load,data \ - $(OBJS) $@.tmp - $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) \ - -T arch/$(ARCH)/boot/boot-elf/boot.lds \ - -o arch/$(ARCH)/boot/$@.elf $@.tmp + $(OBJS) $@ -zImage: Image +$(obj)/../Image.elf: $(obj)/Image.o $(obj)/boot.lds + $(Q)$(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) \ + -T $(obj)/boot.lds \ + --build-id=none \ + -o $@ $(obj)/Image.o + $(Q)$(kecho) ' Kernel: $@ is ready' +zImage: $(obj)/../Image.elf diff --git a/arch/xtensa/boot/boot-redboot/Makefile b/arch/xtensa/boot/boot-redboot/Makefile index 25a78c6b1530..8be8b9436981 100644 --- a/arch/xtensa/boot/boot-redboot/Makefile +++ b/arch/xtensa/boot/boot-redboot/Makefile @@ -4,8 +4,6 @@ # for more details. # -GZIP = gzip -GZIP_FLAGS = -v9fc ifeq ($(BIG_ENDIAN),1) OBJCOPY_ARGS := -O elf32-xtensa-be else @@ -21,17 +19,17 @@ LIBS := arch/xtensa/boot/lib/lib.a arch/xtensa/lib/lib.a LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) -vmlinux.tmp: vmlinux - $(OBJCOPY) --strip-all -R .comment -R .note.gnu.build-id -O binary \ - $^ $@ +$(obj)/zImage.o: vmlinux.bin.gz $(OBJS) + $(Q)$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \ + --add-section image=vmlinux.bin.gz \ + --set-section-flags image=contents,alloc,load,load,data \ + $(OBJS) $@ -vmlinux.tmp.gz: vmlinux.tmp - $(GZIP) $(GZIP_FLAGS) $^ > $@ +$(obj)/zImage.elf: $(obj)/zImage.o $(LIBS) + $(Q)$(LD) $(LD_ARGS) -o $@ $^ -L/xtensa-elf/lib $(LIBGCC) -zImage: vmlinux.tmp.gz $(OBJS) $(LIBS) - $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \ - --add-section image=vmlinux.tmp.gz \ - --set-section-flags image=contents,alloc,load,load,data \ - $(OBJS) $@.tmp - $(LD) $(LD_ARGS) -o $@.elf $@.tmp $(LIBS) -L/xtensa-elf/lib $(LIBGCC) - $(OBJCOPY) -S -O binary $@.elf arch/$(ARCH)/boot/$@.redboot +$(obj)/../zImage.redboot: $(obj)/zImage.elf + $(Q)$(OBJCOPY) -S -O binary $< $@ + $(Q)$(kecho) ' Kernel: $@ is ready' + +zImage: $(obj)/../zImage.redboot diff --git a/arch/xtensa/boot/boot-uboot/Makefile b/arch/xtensa/boot/boot-uboot/Makefile new file mode 100644 index 000000000000..bfbf8af582f1 --- /dev/null +++ b/arch/xtensa/boot/boot-uboot/Makefile @@ -0,0 +1,14 @@ +# +# This file is subject to the terms and conditions of the GNU General Public +# License. See the file "COPYING" in the main directory of this archive +# for more details. +# + +UIMAGE_LOADADDR = 0xd0001000 +UIMAGE_COMPRESSION = gzip + +$(obj)/../uImage: vmlinux.bin.gz FORCE + $(call if_changed,uimage) + $(Q)$(kecho) ' Kernel: $@ is ready' + +zImage: $(obj)/../uImage diff --git a/arch/xtensa/boot/dts/lx60.dts b/arch/xtensa/boot/dts/lx60.dts new file mode 100644 index 000000000000..2eab3658e1bd --- /dev/null +++ b/arch/xtensa/boot/dts/lx60.dts @@ -0,0 +1,11 @@ +/dts-v1/; +/include/ "xtfpga.dtsi" +/include/ "xtfpga-flash-4m.dtsi" + +/ { + compatible = "xtensa,lx60"; + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x04000000>; + }; +}; diff --git a/arch/xtensa/boot/dts/ml605.dts b/arch/xtensa/boot/dts/ml605.dts new file mode 100644 index 000000000000..6ed51d6554e6 --- /dev/null +++ b/arch/xtensa/boot/dts/ml605.dts @@ -0,0 +1,11 @@ +/dts-v1/; +/include/ "xtfpga.dtsi" +/include/ "xtfpga-flash-16m.dtsi" + +/ { + compatible = "xtensa,ml605"; + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x08000000>; + }; +}; diff --git a/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi b/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi new file mode 100644 index 000000000000..e5703c7beeb6 --- /dev/null +++ b/arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi @@ -0,0 +1,26 @@ +/ { + flash: flash@f8000000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "cfi-flash"; + reg = <0xf8000000 0x01000000>; + bank-width = <2>; + device-width = <2>; + partition@0x0 { + label = "boot loader area"; + reg = <0x00000000 0x00400000>; + }; + partition@0x400000 { + label = "kernel image"; + reg = <0x00400000 0x00600000>; + }; + partition@0xa00000 { + label = "data"; + reg = <0x00a00000 0x005e0000>; + }; + partition@0xfe0000 { + label = "boot environment"; + reg = <0x00fe0000 0x00020000>; + }; + }; +}; diff --git a/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi b/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi new file mode 100644 index 000000000000..6f9c10d6b689 --- /dev/null +++ b/arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi @@ -0,0 +1,18 @@ +/ { + flash: flash@f8000000 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "cfi-flash"; + reg = <0xf8000000 0x00400000>; + bank-width = <2>; + device-width = <2>; + partition@0x0 { + label = "boot loader area"; + reg = <0x00000000 0x003f0000>; + }; + partition@0x3f0000 { + label = "boot environment"; + reg = <0x003f0000 0x00010000>; + }; + }; +}; diff --git a/arch/xtensa/boot/dts/xtfpga.dtsi b/arch/xtensa/boot/dts/xtfpga.dtsi new file mode 100644 index 000000000000..7eda6ecf7eef --- /dev/null +++ b/arch/xtensa/boot/dts/xtfpga.dtsi @@ -0,0 +1,56 @@ +/ { + compatible = "xtensa,xtfpga"; + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&pic>; + + chosen { + bootargs = "earlycon=uart8250,mmio32,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug"; + }; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x06000000>; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + cpu@0 { + compatible = "xtensa,cpu"; + reg = <0>; + /* Filled in by platform_setup from FPGA register + * clock-frequency = <100000000>; + */ + }; + }; + + pic: pic { + compatible = "xtensa,pic"; + /* one cell: internal irq number, + * two cells: second cell == 0: internal irq number + * second cell == 1: external irq number + */ + #interrupt-cells = <2>; + interrupt-controller; + }; + + serial0: serial@fd050020 { + device_type = "serial"; + compatible = "ns16550a"; + no-loopback-test; + reg = <0xfd050020 0x20>; + reg-shift = <2>; + interrupts = <0 1>; /* external irq 0 */ + /* Filled in by platform_setup from FPGA register + * clock-frequency = <100000000>; + */ + }; + + enet0: ethoc@fd030000 { + compatible = "opencores,ethoc"; + reg = <0xfd030000 0x4000 0xfd800000 0x4000>; + interrupts = <1 1>; /* external irq 1 */ + local-mac-address = [00 50 c2 13 6f 00]; + }; +}; diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h index 24f50cada70c..c3f289174c10 100644 --- a/arch/xtensa/include/asm/atomic.h +++ b/arch/xtensa/include/asm/atomic.h @@ -66,19 +66,35 @@ */ static inline void atomic_add(int i, atomic_t * v) { - unsigned int vval; - - __asm__ __volatile__( - "rsil a15, "__stringify(LOCKLEVEL)"\n\t" - "l32i %0, %2, 0 \n\t" - "add %0, %0, %1 \n\t" - "s32i %0, %2, 0 \n\t" - "wsr a15, ps \n\t" - "rsync \n" - : "=&a" (vval) - : "a" (i), "a" (v) - : "a15", "memory" - ); +#if XCHAL_HAVE_S32C1I + unsigned long tmp; + int result; + + __asm__ __volatile__( + "1: l32i %1, %3, 0\n" + " wsr %1, scompare1\n" + " add %0, %1, %2\n" + " s32c1i %0, %3, 0\n" + " bne %0, %1, 1b\n" + : "=&a" (result), "=&a" (tmp) + : "a" (i), "a" (v) + : "memory" + ); +#else + unsigned int vval; + + __asm__ __volatile__( + " rsil a15, "__stringify(LOCKLEVEL)"\n" + " l32i %0, %2, 0\n" + " add %0, %0, %1\n" + " s32i %0, %2, 0\n" + " wsr a15, ps\n" + " rsync\n" + : "=&a" (vval) + : "a" (i), "a" (v) + : "a15", "memory" + ); +#endif } /** @@ -90,19 +106,35 @@ static inline void atomic_add(int i, atomic_t * v) */ static inline void atomic_sub(int i, atomic_t *v) { - unsigned int vval; - - __asm__ __volatile__( - "rsil a15, "__stringify(LOCKLEVEL)"\n\t" - "l32i %0, %2, 0 \n\t" - "sub %0, %0, %1 \n\t" - "s32i %0, %2, 0 \n\t" - "wsr a15, ps \n\t" - "rsync \n" - : "=&a" (vval) - : "a" (i), "a" (v) - : "a15", "memory" - ); +#if XCHAL_HAVE_S32C1I + unsigned long tmp; + int result; + + __asm__ __volatile__( + "1: l32i %1, %3, 0\n" + " wsr %1, scompare1\n" + " sub %0, %1, %2\n" + " s32c1i %0, %3, 0\n" + " bne %0, %1, 1b\n" + : "=&a" (result), "=&a" (tmp) + : "a" (i), "a" (v) + : "memory" + ); +#else + unsigned int vval; + + __asm__ __volatile__( + " rsil a15, "__stringify(LOCKLEVEL)"\n" + " l32i %0, %2, 0\n" + " sub %0, %0, %1\n" + " s32i %0, %2, 0\n" + " wsr a15, ps\n" + " rsync\n" + : "=&a" (vval) + : "a" (i), "a" (v) + : "a15", "memory" + ); +#endif } /* @@ -111,40 +143,78 @@ static inline void atomic_sub(int i, atomic_t *v) static inline int atomic_add_return(int i, atomic_t * v) { - unsigned int vval; - - __asm__ __volatile__( - "rsil a15,"__stringify(LOCKLEVEL)"\n\t" - "l32i %0, %2, 0 \n\t" - "add %0, %0, %1 \n\t" - "s32i %0, %2, 0 \n\t" - "wsr a15, ps \n\t" - "rsync \n" - : "=&a" (vval) - : "a" (i), "a" (v) - : "a15", "memory" - ); - - return vval; +#if XCHAL_HAVE_S32C1I + unsigned long tmp; + int result; + + __asm__ __volatile__( + "1: l32i %1, %3, 0\n" + " wsr %1, scompare1\n" + " add %0, %1, %2\n" + " s32c1i %0, %3, 0\n" + " bne %0, %1, 1b\n" + " add %0, %0, %2\n" + : "=&a" (result), "=&a" (tmp) + : "a" (i), "a" (v) + : "memory" + ); + + return result; +#else + unsigned int vval; + + __asm__ __volatile__( + " rsil a15,"__stringify(LOCKLEVEL)"\n" + " l32i %0, %2, 0\n" + " add %0, %0, %1\n" + " s32i %0, %2, 0\n" + " wsr a15, ps\n" + " rsync\n" + : "=&a" (vval) + : "a" (i), "a" (v) + : "a15", "memory" + ); + + return vval; +#endif } static inline int atomic_sub_return(int i, atomic_t * v) { - unsigned int vval; - - __asm__ __volatile__( - "rsil a15,"__stringify(LOCKLEVEL)"\n\t" - "l32i %0, %2, 0 \n\t" - "sub %0, %0, %1 \n\t" - "s32i %0, %2, 0 \n\t" - "wsr a15, ps \n\t" - "rsync \n" - : "=&a" (vval) - : "a" (i), "a" (v) - : "a15", "memory" - ); - - return vval; +#if XCHAL_HAVE_S32C1I + unsigned long tmp; + int result; + + __asm__ __volatile__( + "1: l32i %1, %3, 0\n" + " wsr %1, scompare1\n" + " sub %0, %1, %2\n" + " s32c1i %0, %3, 0\n" + " bne %0, %1, 1b\n" + " sub %0, %0, %2\n" + : "=&a" (result), "=&a" (tmp) + : "a" (i), "a" (v) + : "memory" + ); + + return result; +#else + unsigned int vval; + + __asm__ __volatile__( + " rsil a15,"__stringify(LOCKLEVEL)"\n" + " l32i %0, %2, 0\n" + " sub %0, %0, %1\n" + " s32i %0, %2, 0\n" + " wsr a15, ps\n" + " rsync\n" + : "=&a" (vval) + : "a" (i), "a" (v) + : "a15", "memory" + ); + + return vval; +#endif } /** @@ -251,38 +321,70 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) static inline void atomic_clear_mask(unsigned int mask, atomic_t *v) { - unsigned int all_f = -1; - unsigned int vval; - - __asm__ __volatile__( - "rsil a15,"__stringify(LOCKLEVEL)"\n\t" - "l32i %0, %2, 0 \n\t" - "xor %1, %4, %3 \n\t" - "and %0, %0, %4 \n\t" - "s32i %0, %2, 0 \n\t" - "wsr a15, ps \n\t" - "rsync \n" - : "=&a" (vval), "=a" (mask) - : "a" (v), "a" (all_f), "1" (mask) - : "a15", "memory" - ); +#if XCHAL_HAVE_S32C1I + unsigned long tmp; + int result; + + __asm__ __volatile__( + "1: l32i %1, %3, 0\n" + " wsr %1, scompare1\n" + " and %0, %1, %2\n" + " s32c1i %0, %3, 0\n" + " bne %0, %1, 1b\n" + : "=&a" (result), "=&a" (tmp) + : "a" (~mask), "a" (v) + : "memory" + ); +#else + unsigned int all_f = -1; + unsigned int vval; + + __asm__ __volatile__( + " rsil a15,"__stringify(LOCKLEVEL)"\n" + " l32i %0, %2, 0\n" + " xor %1, %4, %3\n" + " and %0, %0, %4\n" + " s32i %0, %2, 0\n" + " wsr a15, ps\n" + " rsync\n" + : "=&a" (vval), "=a" (mask) + : "a" (v), "a" (all_f), "1" (mask) + : "a15", "memory" + ); +#endif } static inline void atomic_set_mask(unsigned int mask, atomic_t *v) { - unsigned int vval; - - __asm__ __volatile__( - "rsil a15,"__stringify(LOCKLEVEL)"\n\t" - "l32i %0, %2, 0 \n\t" - "or %0, %0, %1 \n\t" - "s32i %0, %2, 0 \n\t" - "wsr a15, ps \n\t" - "rsync \n" - : "=&a" (vval) - : "a" (mask), "a" (v) - : "a15", "memory" - ); +#if XCHAL_HAVE_S32C1I + unsigned long tmp; + int result; + + __asm__ __volatile__( + "1: l32i %1, %3, 0\n" + " wsr %1, scompare1\n" + " or %0, %1, %2\n" + " s32c1i %0, %3, 0\n" + " bne %0, %1, 1b\n" + : "=&a" (result), "=&a" (tmp) + : "a" (mask), "a" (v) + : "memory" + ); +#else + unsigned int vval; + + __asm__ __volatile__( + " rsil a15,"__stringify(LOCKLEVEL)"\n" + " l32i %0, %2, 0\n" + " or %0, %0, %1\n" + " s32i %0, %2, 0\n" + " wsr a15, ps\n" + " rsync\n" + : "=&a" (vval) + : "a" (mask), "a" (v) + : "a15", "memory" + ); +#endif } /* Atomic operations are already serializing */ @@ -294,4 +396,3 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v) #endif /* __KERNEL__ */ #endif /* _XTENSA_ATOMIC_H */ - diff --git a/arch/xtensa/include/asm/barrier.h b/arch/xtensa/include/asm/barrier.h index 55707a8009d3..ef021677d536 100644 --- a/arch/xtensa/include/asm/barrier.h +++ b/arch/xtensa/include/asm/barrier.h @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2001 - 2005 Tensilica Inc. + * Copyright (C) 2001 - 2012 Tensilica Inc. */ #ifndef _XTENSA_SYSTEM_H @@ -12,8 +12,8 @@ #define smp_read_barrier_depends() do { } while(0) #define read_barrier_depends() do { } while(0) -#define mb() barrier() -#define rmb() mb() +#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); }) +#define rmb() barrier() #define wmb() mb() #ifdef CONFIG_SMP diff --git a/arch/xtensa/include/asm/bitops.h b/arch/xtensa/include/asm/bitops.h index 5270197ddd36..84afe58d5d37 100644 --- a/arch/xtensa/include/asm/bitops.h +++ b/arch/xtensa/include/asm/bitops.h @@ -29,7 +29,6 @@ #define smp_mb__before_clear_bit() barrier() #define smp_mb__after_clear_bit() barrier() -#include <asm-generic/bitops/atomic.h> #include <asm-generic/bitops/non-atomic.h> #if XCHAL_HAVE_NSA @@ -104,6 +103,132 @@ static inline unsigned long __fls(unsigned long word) #endif #include <asm-generic/bitops/fls64.h> + +#if XCHAL_HAVE_S32C1I + +static inline void set_bit(unsigned int bit, volatile unsigned long *p) +{ + unsigned long tmp, value; + unsigned long mask = 1UL << (bit & 31); + + p += bit >> 5; + + __asm__ __volatile__( + "1: l32i %1, %3, 0\n" + " wsr %1, scompare1\n" + " or %0, %1, %2\n" + " s32c1i %0, %3, 0\n" + " bne %0, %1, 1b\n" + : "=&a" (tmp), "=&a" (value) + : "a" (mask), "a" (p) + : "memory"); +} + +static inline void clear_bit(unsigned int bit, volatile unsigned long *p) +{ + unsigned long tmp, value; + unsigned long mask = 1UL << (bit & 31); + + p += bit >> 5; + + __asm__ __volatile__( + "1: l32i %1, %3, 0\n" + " wsr %1, scompare1\n" + " and %0, %1, %2\n" + " s32c1i %0, %3, 0\n" + " bne %0, %1, 1b\n" + : "=&a" (tmp), "=&a" (value) + : "a" (~mask), "a" (p) + : "memory"); +} + +static inline void change_bit(unsigned int bit, volatile unsigned long *p) +{ + unsigned long tmp, value; + unsigned long mask = 1UL << (bit & 31); + + p += bit >> 5; + + __asm__ __volatile__( + "1: l32i %1, %3, 0\n" + " wsr %1, scompare1\n" + " xor %0, %1, %2\n" + " s32c1i %0, %3, 0\n" + " bne %0, %1, 1b\n" + : "=&a" (tmp), "=&a" (value) + : "a" (mask), "a" (p) + : "memory"); +} + +static inline int +test_and_set_bit(unsigned int bit, volatile unsigned long *p) +{ + unsigned long tmp, value; + unsigned long mask = 1UL << (bit & 31); + + p += bit >> 5; + + __asm__ __volatile__( + "1: l32i %1, %3, 0\n" + " wsr %1, scompare1\n" + " or %0, %1, %2\n" + " s32c1i %0, %3, 0\n" + " bne %0, %1, 1b\n" + : "=&a" (tmp), "=&a" (value) + : "a" (mask), "a" (p) + : "memory"); + + return tmp & mask; +} + +static inline int +test_and_clear_bit(unsigned int bit, volatile unsigned long *p) +{ + unsigned long tmp, value; + unsigned long mask = 1UL << (bit & 31); + + p += bit >> 5; + + __asm__ __volatile__( + "1: l32i %1, %3, 0\n" + " wsr %1, scompare1\n" + " and %0, %1, %2\n" + " s32c1i %0, %3, 0\n" + " bne %0, %1, 1b\n" + : "=&a" (tmp), "=&a" (value) + : "a" (~mask), "a" (p) + : "memory"); + + return tmp & mask; +} + +static inline int +test_and_change_bit(unsigned int bit, volatile unsigned long *p) +{ + unsigned long tmp, value; + unsigned long mask = 1UL << (bit & 31); + + p += bit >> 5; + + __asm__ __volatile__( + "1: l32i %1, %3, 0\n" + " wsr %1, scompare1\n" + " xor %0, %1, %2\n" + " s32c1i %0, %3, 0\n" + " bne %0, %1, 1b\n" + : "=&a" (tmp), "=&a" (value) + : "a" (mask), "a" (p) + : "memory"); + + return tmp & mask; +} + +#else + +#include <asm-generic/bitops/atomic.h> + +#endif /* XCHAL_HAVE_S32C1I */ + #include <asm-generic/bitops/find.h> #include <asm-generic/bitops/le.h> diff --git a/arch/xtensa/include/asm/bootparam.h b/arch/xtensa/include/asm/bootparam.h index 9983f2c1b7ee..0c25799facab 100644 --- a/arch/xtensa/include/asm/bootparam.h +++ b/arch/xtensa/include/asm/bootparam.h @@ -22,6 +22,7 @@ #define BP_TAG_MEMORY 0x1003 /* memory addr and size (bp_meminfo) */ #define BP_TAG_SERIAL_BAUSRATE 0x1004 /* baud rate of current console. */ #define BP_TAG_SERIAL_PORT 0x1005 /* serial device of current console */ +#define BP_TAG_FDT 0x1006 /* flat device tree addr */ #define BP_TAG_FIRST 0x7B0B /* first tag with a version number */ #define BP_TAG_LAST 0x7E0B /* last tag */ @@ -31,15 +32,15 @@ /* All records are aligned to 4 bytes */ typedef struct bp_tag { - unsigned short id; /* tag id */ - unsigned short size; /* size of this record excluding the structure*/ - unsigned long data[0]; /* data */ + unsigned short id; /* tag id */ + unsigned short size; /* size of this record excluding the structure*/ + unsigned long data[0]; /* data */ } bp_tag_t; typedef struct meminfo { - unsigned long type; - unsigned long start; - unsigned long end; + unsigned long type; + unsigned long start; + unsigned long end; } meminfo_t; #define SYSMEM_BANKS_MAX 5 @@ -48,14 +49,11 @@ typedef struct meminfo { #define MEMORY_TYPE_NONE 0x2000 typedef struct sysmem_info { - int nr_banks; - meminfo_t bank[SYSMEM_BANKS_MAX]; + int nr_banks; + meminfo_t bank[SYSMEM_BANKS_MAX]; } sysmem_info_t; extern sysmem_info_t sysmem; #endif #endif - - - diff --git a/arch/xtensa/include/asm/cacheasm.h b/arch/xtensa/include/asm/cacheasm.h index 2c20a58f94cd..60e18773ecb8 100644 --- a/arch/xtensa/include/asm/cacheasm.h +++ b/arch/xtensa/include/asm/cacheasm.h @@ -174,4 +174,3 @@ __loop_cache_page \ar \as ihi XCHAL_ICACHE_LINEWIDTH .endm - diff --git a/arch/xtensa/include/asm/cacheflush.h b/arch/xtensa/include/asm/cacheflush.h index 569fec4f9a20..127cd48883c4 100644 --- a/arch/xtensa/include/asm/cacheflush.h +++ b/arch/xtensa/include/asm/cacheflush.h @@ -104,7 +104,8 @@ static inline void __invalidate_icache_page_alias(unsigned long virt, #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 extern void flush_dcache_page(struct page*); extern void flush_cache_range(struct vm_area_struct*, ulong, ulong); -extern void flush_cache_page(struct vm_area_struct*, unsigned long, unsigned long); +extern void flush_cache_page(struct vm_area_struct*, + unsigned long, unsigned long); #else diff --git a/arch/xtensa/include/asm/checksum.h b/arch/xtensa/include/asm/checksum.h index e4d831a30772..aed7ad68ca46 100644 --- a/arch/xtensa/include/asm/checksum.h +++ b/arch/xtensa/include/asm/checksum.h @@ -36,8 +36,9 @@ asmlinkage __wsum csum_partial(const void *buff, int len, __wsum sum); * better 64-bit) boundary */ -asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst, int len, __wsum sum, - int *src_err_ptr, int *dst_err_ptr); +asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst, + int len, __wsum sum, + int *src_err_ptr, int *dst_err_ptr); /* * Note: when you get a NULL pointer exception here this means someone @@ -54,7 +55,7 @@ __wsum csum_partial_copy_nocheck(const void *src, void *dst, static inline __wsum csum_partial_copy_from_user(const void __user *src, void *dst, - int len, __wsum sum, int *err_ptr) + int len, __wsum sum, int *err_ptr) { return csum_partial_copy_generic((__force const void *)src, dst, len, sum, err_ptr, NULL); @@ -112,7 +113,8 @@ static __inline__ __sum16 ip_fast_csum(const void *iph, unsigned int ihl) /* Since the input registers which are loaded with iph and ihl are modified, we must also specify them as outputs, or gcc will assume they contain their original values. */ - : "=r" (sum), "=r" (iph), "=r" (ihl), "=&r" (tmp), "=&r" (endaddr) + : "=r" (sum), "=r" (iph), "=r" (ihl), "=&r" (tmp), + "=&r" (endaddr) : "1" (iph), "2" (ihl) : "memory"); @@ -168,7 +170,7 @@ static __inline__ __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, static __inline__ __sum16 ip_compute_csum(const void *buff, int len) { - return csum_fold (csum_partial(buff, len, 0)); + return csum_fold (csum_partial(buff, len, 0)); } #define _HAVE_ARCH_IPV6_CSUM @@ -238,11 +240,12 @@ static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr, * Copy and checksum to user */ #define HAVE_CSUM_COPY_USER -static __inline__ __wsum csum_and_copy_to_user(const void *src, void __user *dst, - int len, __wsum sum, int *err_ptr) +static __inline__ __wsum csum_and_copy_to_user(const void *src, + void __user *dst, int len, + __wsum sum, int *err_ptr) { if (access_ok(VERIFY_WRITE, dst, len)) - return csum_partial_copy_generic(src, dst, len, sum, NULL, err_ptr); + return csum_partial_copy_generic(src,dst,len,sum,NULL,err_ptr); if (len) *err_ptr = -EFAULT; diff --git a/arch/xtensa/include/asm/cmpxchg.h b/arch/xtensa/include/asm/cmpxchg.h index 64dad04a9d27..d9ab131bc1aa 100644 --- a/arch/xtensa/include/asm/cmpxchg.h +++ b/arch/xtensa/include/asm/cmpxchg.h @@ -22,17 +22,30 @@ static inline unsigned long __cmpxchg_u32(volatile int *p, int old, int new) { - __asm__ __volatile__("rsil a15, "__stringify(LOCKLEVEL)"\n\t" - "l32i %0, %1, 0 \n\t" - "bne %0, %2, 1f \n\t" - "s32i %3, %1, 0 \n\t" - "1: \n\t" - "wsr a15, ps \n\t" - "rsync \n\t" - : "=&a" (old) - : "a" (p), "a" (old), "r" (new) - : "a15", "memory"); - return old; +#if XCHAL_HAVE_S32C1I + __asm__ __volatile__( + " wsr %2, scompare1\n" + " s32c1i %0, %1, 0\n" + : "+a" (new) + : "a" (p), "a" (old) + : "memory" + ); + + return new; +#else + __asm__ __volatile__( + " rsil a15, "__stringify(LOCKLEVEL)"\n" + " l32i %0, %1, 0\n" + " bne %0, %2, 1f\n" + " s32i %3, %1, 0\n" + "1:\n" + " wsr a15, ps\n" + " rsync\n" + : "=&a" (old) + : "a" (p), "a" (old), "r" (new) + : "a15", "memory"); + return old; +#endif } /* This function doesn't exist, so you'll get a linker error * if something tries to do an invalid cmpxchg(). */ @@ -93,19 +106,36 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr, static inline unsigned long xchg_u32(volatile int * m, unsigned long val) { - unsigned long tmp; - __asm__ __volatile__("rsil a15, "__stringify(LOCKLEVEL)"\n\t" - "l32i %0, %1, 0 \n\t" - "s32i %2, %1, 0 \n\t" - "wsr a15, ps \n\t" - "rsync \n\t" - : "=&a" (tmp) - : "a" (m), "a" (val) - : "a15", "memory"); - return tmp; +#if XCHAL_HAVE_S32C1I + unsigned long tmp, result; + __asm__ __volatile__( + "1: l32i %1, %2, 0\n" + " mov %0, %3\n" + " wsr %1, scompare1\n" + " s32c1i %0, %2, 0\n" + " bne %0, %1, 1b\n" + : "=&a" (result), "=&a" (tmp) + : "a" (m), "a" (val) + : "memory" + ); + return result; +#else + unsigned long tmp; + __asm__ __volatile__( + " rsil a15, "__stringify(LOCKLEVEL)"\n" + " l32i %0, %1, 0\n" + " s32i %2, %1, 0\n" + " wsr a15, ps\n" + " rsync\n" + : "=&a" (tmp) + : "a" (m), "a" (val) + : "a15", "memory"); + return tmp; +#endif } -#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) +#define xchg(ptr,x) \ + ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) /* * This only works if the compiler isn't horribly bad at optimizing. diff --git a/arch/xtensa/include/asm/current.h b/arch/xtensa/include/asm/current.h index 8d1eb5d78649..47e46dcf5d49 100644 --- a/arch/xtensa/include/asm/current.h +++ b/arch/xtensa/include/asm/current.h @@ -30,7 +30,7 @@ static inline struct task_struct *get_current(void) #define GET_CURRENT(reg,sp) \ GET_THREAD_INFO(reg,sp); \ - l32i reg, reg, TI_TASK \ + l32i reg, reg, TI_TASK \ #endif diff --git a/arch/xtensa/include/asm/delay.h b/arch/xtensa/include/asm/delay.h index 58c0a4fd4003..61fc5faeb46c 100644 --- a/arch/xtensa/include/asm/delay.h +++ b/arch/xtensa/include/asm/delay.h @@ -19,9 +19,9 @@ extern unsigned long loops_per_jiffy; static inline void __delay(unsigned long loops) { - /* 2 cycles per loop. */ - __asm__ __volatile__ ("1: addi %0, %0, -2; bgeui %0, 2, 1b" - : "=r" (loops) : "0" (loops)); + /* 2 cycles per loop. */ + __asm__ __volatile__ ("1: addi %0, %0, -2; bgeui %0, 2, 1b" + : "=r" (loops) : "0" (loops)); } static __inline__ u32 xtensa_get_ccount(void) @@ -46,4 +46,3 @@ static __inline__ void udelay (unsigned long usecs) } #endif - diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h index 492c95790ad5..4acb5feba1fb 100644 --- a/arch/xtensa/include/asm/dma-mapping.h +++ b/arch/xtensa/include/asm/dma-mapping.h @@ -16,6 +16,8 @@ #include <linux/mm.h> #include <linux/scatterlist.h> +#define DMA_ERROR_CODE (~(dma_addr_t)0x0) + /* * DMA-consistent mapping functions. */ @@ -98,8 +100,8 @@ dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, } static inline void -dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size, - enum dma_data_direction direction) +dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, + size_t size, enum dma_data_direction direction) { consistent_sync((void *)bus_to_virt(dma_handle), size, direction); } diff --git a/arch/xtensa/include/asm/elf.h b/arch/xtensa/include/asm/elf.h index 5293312bc6a4..264d5fa450d8 100644 --- a/arch/xtensa/include/asm/elf.h +++ b/arch/xtensa/include/asm/elf.h @@ -168,11 +168,11 @@ extern void xtensa_elf_core_copy_regs (xtensa_gregset_t *, struct pt_regs *); */ #define ELF_PLAT_INIT(_r, load_addr) \ - do { _r->areg[0]=0; /*_r->areg[1]=0;*/ _r->areg[2]=0; _r->areg[3]=0; \ - _r->areg[4]=0; _r->areg[5]=0; _r->areg[6]=0; _r->areg[7]=0; \ - _r->areg[8]=0; _r->areg[9]=0; _r->areg[10]=0; _r->areg[11]=0; \ - _r->areg[12]=0; _r->areg[13]=0; _r->areg[14]=0; _r->areg[15]=0; \ - } while (0) + do { _r->areg[0]=0; /*_r->areg[1]=0;*/ _r->areg[2]=0; _r->areg[3]=0; \ + _r->areg[4]=0; _r->areg[5]=0; _r->areg[6]=0; _r->areg[7]=0; \ + _r->areg[8]=0; _r->areg[9]=0; _r->areg[10]=0; _r->areg[11]=0; \ + _r->areg[12]=0; _r->areg[13]=0; _r->areg[14]=0; _r->areg[15]=0; \ + } while (0) typedef struct { xtregs_opt_t opt; diff --git a/arch/xtensa/include/asm/highmem.h b/arch/xtensa/include/asm/highmem.h index 0a046ca5a687..80be15124697 100644 --- a/arch/xtensa/include/asm/highmem.h +++ b/arch/xtensa/include/asm/highmem.h @@ -14,4 +14,3 @@ extern void flush_cache_kmaps(void); #endif - diff --git a/arch/xtensa/include/asm/initialize_mmu.h b/arch/xtensa/include/asm/initialize_mmu.h new file mode 100644 index 000000000000..e1f8ba4061ed --- /dev/null +++ b/arch/xtensa/include/asm/initialize_mmu.h @@ -0,0 +1,55 @@ +/* + * arch/xtensa/include/asm/initialize_mmu.h + * + * Initializes MMU: + * + * For the new V3 MMU we remap the TLB from virtual == physical + * to the standard Linux mapping used in earlier MMU's. + * + * The the MMU we also support a new configuration register that + * specifies how the S32C1I instruction operates with the cache + * controller. + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file "COPYING" in the main directory of + * this archive for more details. + * + * Copyright (C) 2008 - 2012 Tensilica, Inc. + * + * Marc Gauthier <marc@tensilica.com> + * Pete Delaney <piet@tensilica.com> + */ + +#ifndef _XTENSA_INITIALIZE_MMU_H +#define _XTENSA_INITIALIZE_MMU_H + +#ifdef __ASSEMBLY__ + +#define XTENSA_HWVERSION_RC_2009_0 230000 + + .macro initialize_mmu + +#if XCHAL_HAVE_S32C1I && (XCHAL_HW_MIN_VERSION >= XTENSA_HWVERSION_RC_2009_0) +/* + * We Have Atomic Operation Control (ATOMCTL) Register; Initialize it. + * For details see Documentation/xtensa/atomctl.txt + */ +#if XCHAL_DCACHE_IS_COHERENT + movi a3, 0x25 /* For SMP/MX -- internal for writeback, + * RCW otherwise + */ +#else + movi a3, 0x29 /* non-MX -- Most cores use Std Memory + * Controlers which usually can't use RCW + */ +#endif + wsr a3, atomctl +#endif /* XCHAL_HAVE_S32C1I && + * (XCHAL_HW_MIN_VERSION >= XTENSA_HWVERSION_RC_2009_0) + */ + + .endm + +#endif /*__ASSEMBLY__*/ + +#endif /* _XTENSA_INITIALIZE_MMU_H */ diff --git a/arch/xtensa/include/asm/mmu_context.h b/arch/xtensa/include/asm/mmu_context.h index feb10af96519..d43525a286bb 100644 --- a/arch/xtensa/include/asm/mmu_context.h +++ b/arch/xtensa/include/asm/mmu_context.h @@ -107,7 +107,7 @@ activate_mm(struct mm_struct *prev, struct mm_struct *next) static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, - struct task_struct *tsk) + struct task_struct *tsk) { unsigned long asid = asid_cache; diff --git a/arch/xtensa/include/asm/nommu_context.h b/arch/xtensa/include/asm/nommu_context.h index 599e7a2e729d..3407cf7989b7 100644 --- a/arch/xtensa/include/asm/nommu_context.h +++ b/arch/xtensa/include/asm/nommu_context.h @@ -2,7 +2,7 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) { } -static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm) +static inline int init_new_context(struct task_struct *tsk,struct mm_struct *mm) { return 0; } diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h index 7a5591a71f85..47f582333f6b 100644 --- a/arch/xtensa/include/asm/page.h +++ b/arch/xtensa/include/asm/page.h @@ -29,19 +29,19 @@ * PAGE_SHIFT determines the page size */ -#define PAGE_SHIFT 12 -#define PAGE_SIZE (__XTENSA_UL_CONST(1) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) +#define PAGE_SHIFT 12 +#define PAGE_SIZE (__XTENSA_UL_CONST(1) << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) #ifdef CONFIG_MMU -#define PAGE_OFFSET XCHAL_KSEG_CACHED_VADDR -#define MAX_MEM_PFN XCHAL_KSEG_SIZE +#define PAGE_OFFSET XCHAL_KSEG_CACHED_VADDR +#define MAX_MEM_PFN XCHAL_KSEG_SIZE #else -#define PAGE_OFFSET 0 -#define MAX_MEM_PFN (PLATFORM_DEFAULT_MEM_START + PLATFORM_DEFAULT_MEM_SIZE) +#define PAGE_OFFSET 0 +#define MAX_MEM_PFN (PLATFORM_DEFAULT_MEM_START + PLATFORM_DEFAULT_MEM_SIZE) #endif -#define PGTABLE_START 0x80000000 +#define PGTABLE_START 0x80000000 /* * Cache aliasing: @@ -161,7 +161,9 @@ extern void copy_user_page(void*, void*, unsigned long, struct page*); #define __pa(x) ((unsigned long) (x) - PAGE_OFFSET) #define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET)) -#define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr) +#define pfn_valid(pfn) \ + ((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr) + #ifdef CONFIG_DISCONTIGMEM # error CONFIG_DISCONTIGMEM not supported #endif diff --git a/arch/xtensa/include/asm/pci-bridge.h b/arch/xtensa/include/asm/pci-bridge.h index 00fcbd7c534a..0b68c76ec1e6 100644 --- a/arch/xtensa/include/asm/pci-bridge.h +++ b/arch/xtensa/include/asm/pci-bridge.h @@ -35,7 +35,7 @@ struct pci_space { struct pci_controller { int index; /* used for pci_controller_num */ struct pci_controller *next; - struct pci_bus *bus; + struct pci_bus *bus; void *arch_data; int first_busno; diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h index 05244f07dd31..614be031a79a 100644 --- a/arch/xtensa/include/asm/pci.h +++ b/arch/xtensa/include/asm/pci.h @@ -53,7 +53,7 @@ struct pci_dev; /* Map a range of PCI memory or I/O space for a device into user space */ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine); + enum pci_mmap_state mmap_state, int write_combine); /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */ #define HAVE_PCI_MMAP 1 diff --git a/arch/xtensa/include/asm/pgalloc.h b/arch/xtensa/include/asm/pgalloc.h index 40cf9bceda2c..cf914c8c249a 100644 --- a/arch/xtensa/include/asm/pgalloc.h +++ b/arch/xtensa/include/asm/pgalloc.h @@ -42,7 +42,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) extern struct kmem_cache *pgtable_cache; -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, +static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { return kmem_cache_alloc(pgtable_cache, GFP_KERNEL|__GFP_REPEAT); diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h index b03c043ce75b..c90ea5bfa1b4 100644 --- a/arch/xtensa/include/asm/pgtable.h +++ b/arch/xtensa/include/asm/pgtable.h @@ -284,7 +284,7 @@ struct vm_area_struct; static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, - pte_t *ptep) + pte_t *ptep) { pte_t pte = *ptep; if (!pte_young(pte)) @@ -304,8 +304,8 @@ ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - pte_t pte = *ptep; - update_pte(ptep, pte_wrprotect(pte)); + pte_t pte = *ptep; + update_pte(ptep, pte_wrprotect(pte)); } /* to find an entry in a kernel page-table-directory */ @@ -399,7 +399,7 @@ extern void update_mmu_cache(struct vm_area_struct * vma, */ #define io_remap_pfn_range(vma,from,pfn,size,prot) \ - remap_pfn_range(vma, from, pfn, size, prot) + remap_pfn_range(vma, from, pfn, size, prot) typedef pte_t *pte_addr_t; diff --git a/arch/xtensa/include/asm/platform.h b/arch/xtensa/include/asm/platform.h index 7d936e58e9be..ec098b68fb9a 100644 --- a/arch/xtensa/include/asm/platform.h +++ b/arch/xtensa/include/asm/platform.h @@ -75,4 +75,3 @@ extern int platform_pcibios_fixup (void); extern void platform_calibrate_ccount (void); #endif /* _XTENSA_PLATFORM_H */ - diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h index 2d630e7399ca..e5fb6b0abdf4 100644 --- a/arch/xtensa/include/asm/processor.h +++ b/arch/xtensa/include/asm/processor.h @@ -89,7 +89,7 @@ #define MAKE_PC_FROM_RA(ra,sp) (((ra) & 0x3fffffff) | ((sp) & 0xc0000000)) typedef struct { - unsigned long seg; + unsigned long seg; } mm_segment_t; struct thread_struct { @@ -145,10 +145,10 @@ struct thread_struct { * set_thread_state in signal.c depends on it. */ #define USER_PS_VALUE ((1 << PS_WOE_BIT) | \ - (1 << PS_CALLINC_SHIFT) | \ - (USER_RING << PS_RING_SHIFT) | \ - (1 << PS_UM_BIT) | \ - (1 << PS_EXCM_BIT)) + (1 << PS_CALLINC_SHIFT) | \ + (USER_RING << PS_RING_SHIFT) | \ + (1 << PS_UM_BIT) | \ + (1 << PS_EXCM_BIT)) /* Clearing a0 terminates the backtrace. */ #define start_thread(regs, new_pc, new_sp) \ diff --git a/arch/xtensa/include/asm/prom.h b/arch/xtensa/include/asm/prom.h new file mode 100644 index 000000000000..f3d7cd2c0de7 --- /dev/null +++ b/arch/xtensa/include/asm/prom.h @@ -0,0 +1,6 @@ +#ifndef _XTENSA_ASM_PROM_H +#define _XTENSA_ASM_PROM_H + +#define HAVE_ARCH_DEVTREE_FIXUPS + +#endif /* _XTENSA_ASM_PROM_H */ diff --git a/arch/xtensa/include/asm/ptrace.h b/arch/xtensa/include/asm/ptrace.h index da21c17f23aa..58bf6fd3f913 100644 --- a/arch/xtensa/include/asm/ptrace.h +++ b/arch/xtensa/include/asm/ptrace.h @@ -37,7 +37,7 @@ struct pt_regs { unsigned long windowstart; /* 52 */ unsigned long syscall; /* 56 */ unsigned long icountlevel; /* 60 */ - int reserved[1]; /* 64 */ + unsigned long scompare1; /* 64 */ /* Additional configurable registers that are used by the compiler. */ xtregs_opt_t xtregs_opt; @@ -55,7 +55,7 @@ struct pt_regs { # define arch_has_single_step() (1) # define task_pt_regs(tsk) ((struct pt_regs*) \ - (task_stack_page(tsk) + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4) - 1) + (task_stack_page(tsk) + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4) - 1) # define user_mode(regs) (((regs)->ps & 0x00000020)!=0) # define instruction_pointer(regs) ((regs)->pc) diff --git a/arch/xtensa/include/asm/regs.h b/arch/xtensa/include/asm/regs.h index 8a8aa61ccc8d..76096a4e5b8d 100644 --- a/arch/xtensa/include/asm/regs.h +++ b/arch/xtensa/include/asm/regs.h @@ -52,6 +52,10 @@ #define EXCCAUSE_SPECULATION 7 #define EXCCAUSE_PRIVILEGED 8 #define EXCCAUSE_UNALIGNED 9 +#define EXCCAUSE_INSTR_DATA_ERROR 12 +#define EXCCAUSE_LOAD_STORE_DATA_ERROR 13 +#define EXCCAUSE_INSTR_ADDR_ERROR 14 +#define EXCCAUSE_LOAD_STORE_ADDR_ERROR 15 #define EXCCAUSE_ITLB_MISS 16 #define EXCCAUSE_ITLB_MULTIHIT 17 #define EXCCAUSE_ITLB_PRIVILEGE 18 @@ -105,4 +109,3 @@ #define DEBUGCAUSE_ICOUNT_BIT 0 /* ICOUNT would incr. to zero */ #endif /* _XTENSA_SPECREG_H */ - diff --git a/arch/xtensa/include/asm/spinlock.h b/arch/xtensa/include/asm/spinlock.h index 8ff23649581b..03975906b36f 100644 --- a/arch/xtensa/include/asm/spinlock.h +++ b/arch/xtensa/include/asm/spinlock.h @@ -11,6 +11,192 @@ #ifndef _XTENSA_SPINLOCK_H #define _XTENSA_SPINLOCK_H -#include <linux/spinlock.h> +/* + * spinlock + * + * There is at most one owner of a spinlock. There are not different + * types of spinlock owners like there are for rwlocks (see below). + * + * When trying to obtain a spinlock, the function "spins" forever, or busy- + * waits, until the lock is obtained. When spinning, presumably some other + * owner will soon give up the spinlock making it available to others. Use + * the trylock functions to avoid spinning forever. + * + * possible values: + * + * 0 nobody owns the spinlock + * 1 somebody owns the spinlock + */ + +#define __raw_spin_is_locked(x) ((x)->slock != 0) +#define __raw_spin_unlock_wait(lock) \ + do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0) + +#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) + +static inline void __raw_spin_lock(raw_spinlock_t *lock) +{ + unsigned long tmp; + + __asm__ __volatile__( + " movi %0, 0\n" + " wsr %0, scompare1\n" + "1: movi %0, 1\n" + " s32c1i %0, %1, 0\n" + " bnez %0, 1b\n" + : "=&a" (tmp) + : "a" (&lock->slock) + : "memory"); +} + +/* Returns 1 if the lock is obtained, 0 otherwise. */ + +static inline int __raw_spin_trylock(raw_spinlock_t *lock) +{ + unsigned long tmp; + + __asm__ __volatile__( + " movi %0, 0\n" + " wsr %0, scompare1\n" + " movi %0, 1\n" + " s32c1i %0, %1, 0\n" + : "=&a" (tmp) + : "a" (&lock->slock) + : "memory"); + + return tmp == 0 ? 1 : 0; +} + +static inline void __raw_spin_unlock(raw_spinlock_t *lock) +{ + unsigned long tmp; + + __asm__ __volatile__( + " movi %0, 0\n" + " s32ri %0, %1, 0\n" + : "=&a" (tmp) + : "a" (&lock->slock) + : "memory"); +} + +/* + * rwlock + * + * Read-write locks are really a more flexible spinlock. They allow + * multiple readers but only one writer. Write ownership is exclusive + * (i.e., all other readers and writers are blocked from ownership while + * there is a write owner). These rwlocks are unfair to writers. Writers + * can be starved for an indefinite time by readers. + * + * possible values: + * + * 0 nobody owns the rwlock + * >0 one or more readers own the rwlock + * (the positive value is the actual number of readers) + * 0x80000000 one writer owns the rwlock, no other writers, no readers + */ + +#define __raw_write_can_lock(x) ((x)->lock == 0) + +static inline void __raw_write_lock(raw_rwlock_t *rw) +{ + unsigned long tmp; + + __asm__ __volatile__( + " movi %0, 0\n" + " wsr %0, scompare1\n" + "1: movi %0, 1\n" + " slli %0, %0, 31\n" + " s32c1i %0, %1, 0\n" + " bnez %0, 1b\n" + : "=&a" (tmp) + : "a" (&rw->lock) + : "memory"); +} + +/* Returns 1 if the lock is obtained, 0 otherwise. */ + +static inline int __raw_write_trylock(raw_rwlock_t *rw) +{ + unsigned long tmp; + + __asm__ __volatile__( + " movi %0, 0\n" + " wsr %0, scompare1\n" + " movi %0, 1\n" + " slli %0, %0, 31\n" + " s32c1i %0, %1, 0\n" + : "=&a" (tmp) + : "a" (&rw->lock) + : "memory"); + + return tmp == 0 ? 1 : 0; +} + +static inline void __raw_write_unlock(raw_rwlock_t *rw) +{ + unsigned long tmp; + + __asm__ __volatile__( + " movi %0, 0\n" + " s32ri %0, %1, 0\n" + : "=&a" (tmp) + : "a" (&rw->lock) + : "memory"); +} + +static inline void __raw_read_lock(raw_rwlock_t *rw) +{ + unsigned long tmp; + unsigned long result; + + __asm__ __volatile__( + "1: l32i %1, %2, 0\n" + " bltz %1, 1b\n" + " wsr %1, scompare1\n" + " addi %0, %1, 1\n" + " s32c1i %0, %2, 0\n" + " bne %0, %1, 1b\n" + : "=&a" (result), "=&a" (tmp) + : "a" (&rw->lock) + : "memory"); +} + +/* Returns 1 if the lock is obtained, 0 otherwise. */ + +static inline int __raw_read_trylock(raw_rwlock_t *rw) +{ + unsigned long result; + unsigned long tmp; + + __asm__ __volatile__( + " l32i %1, %2, 0\n" + " addi %0, %1, 1\n" + " bltz %0, 1f\n" + " wsr %1, scompare1\n" + " s32c1i %0, %2, 0\n" + " sub %0, %0, %1\n" + "1:\n" + : "=&a" (result), "=&a" (tmp) + : "a" (&rw->lock) + : "memory"); + + return result == 0; +} + +static inline void __raw_read_unlock(raw_rwlock_t *rw) +{ + unsigned long tmp1, tmp2; + + __asm__ __volatile__( + "1: l32i %1, %2, 0\n" + " addi %0, %1, -1\n" + " wsr %1, scompare1\n" + " s32c1i %0, %2, 0\n" + " bne %0, %1, 1b\n" + : "=&a" (tmp1), "=&a" (tmp2) + : "a" (&rw->lock) + : "memory"); +} #endif /* _XTENSA_SPINLOCK_H */ diff --git a/arch/xtensa/include/asm/syscall.h b/arch/xtensa/include/asm/syscall.h index b00c928d4cce..8d5e47fad095 100644 --- a/arch/xtensa/include/asm/syscall.h +++ b/arch/xtensa/include/asm/syscall.h @@ -25,9 +25,10 @@ asmlinkage long xtensa_fadvise64_64(int, int, /* Should probably move to linux/syscalls.h */ struct pollfd; asmlinkage long sys_pselect6(int n, fd_set __user *inp, fd_set __user *outp, - fd_set __user *exp, struct timespec __user *tsp, void __user *sig); + fd_set __user *exp, struct timespec __user *tsp, + void __user *sig); asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds, - struct timespec __user *tsp, const sigset_t __user *sigmask, - size_t sigsetsize); -asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, - size_t sigsetsize); + struct timespec __user *tsp, + const sigset_t __user *sigmask, + size_t sigsetsize); +asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize); diff --git a/arch/xtensa/include/asm/traps.h b/arch/xtensa/include/asm/traps.h new file mode 100644 index 000000000000..54f70440185e --- /dev/null +++ b/arch/xtensa/include/asm/traps.h @@ -0,0 +1,23 @@ +/* + * arch/xtensa/include/asm/traps.h + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2012 Tensilica Inc. + */ +#ifndef _XTENSA_TRAPS_H +#define _XTENSA_TRAPS_H + +#include <asm/ptrace.h> + +/* + * handler must be either of the following: + * void (*)(struct pt_regs *regs); + * void (*)(struct pt_regs *regs, unsigned long exccause); + */ +extern void * __init trap_set_handler(int cause, void *handler); +extern void do_unhandled(struct pt_regs *regs, unsigned long exccause); + +#endif /* _XTENSA_TRAPS_H */ diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h index 6e4bb3b791ab..fd686dc45d1a 100644 --- a/arch/xtensa/include/asm/uaccess.h +++ b/arch/xtensa/include/asm/uaccess.h @@ -180,7 +180,8 @@ #define segment_eq(a,b) ((a).seg == (b).seg) #define __kernel_ok (segment_eq(get_fs(), KERNEL_DS)) -#define __user_ok(addr,size) (((size) <= TASK_SIZE)&&((addr) <= TASK_SIZE-(size))) +#define __user_ok(addr,size) \ + (((size) <= TASK_SIZE)&&((addr) <= TASK_SIZE-(size))) #define __access_ok(addr,size) (__kernel_ok || __user_ok((addr),(size))) #define access_ok(type,addr,size) __access_ok((unsigned long)(addr),(size)) @@ -234,10 +235,10 @@ do { \ int __cb; \ retval = 0; \ switch (size) { \ - case 1: __put_user_asm(x,ptr,retval,1,"s8i",__cb); break; \ - case 2: __put_user_asm(x,ptr,retval,2,"s16i",__cb); break; \ - case 4: __put_user_asm(x,ptr,retval,4,"s32i",__cb); break; \ - case 8: { \ + case 1: __put_user_asm(x,ptr,retval,1,"s8i",__cb); break; \ + case 2: __put_user_asm(x,ptr,retval,2,"s16i",__cb); break; \ + case 4: __put_user_asm(x,ptr,retval,4,"s32i",__cb); break; \ + case 8: { \ __typeof__(*ptr) __v64 = x; \ retval = __copy_to_user(ptr,&__v64,8); \ break; \ @@ -291,7 +292,7 @@ do { \ * __check_align_* macros still work. */ #define __put_user_asm(x, addr, err, align, insn, cb) \ - __asm__ __volatile__( \ +__asm__ __volatile__( \ __check_align_##align \ "1: "insn" %2, %3, 0 \n" \ "2: \n" \ @@ -301,8 +302,8 @@ do { \ " .long 2b \n" \ "5: \n" \ " l32r %1, 4b \n" \ - " movi %0, %4 \n" \ - " jx %1 \n" \ + " movi %0, %4 \n" \ + " jx %1 \n" \ " .previous \n" \ " .section __ex_table,\"a\" \n" \ " .long 1b, 5b \n" \ @@ -334,13 +335,13 @@ extern long __get_user_bad(void); do { \ int __cb; \ retval = 0; \ - switch (size) { \ - case 1: __get_user_asm(x,ptr,retval,1,"l8ui",__cb); break; \ - case 2: __get_user_asm(x,ptr,retval,2,"l16ui",__cb); break; \ - case 4: __get_user_asm(x,ptr,retval,4,"l32i",__cb); break; \ - case 8: retval = __copy_from_user(&x,ptr,8); break; \ - default: (x) = __get_user_bad(); \ - } \ + switch (size) { \ + case 1: __get_user_asm(x,ptr,retval,1,"l8ui",__cb); break; \ + case 2: __get_user_asm(x,ptr,retval,2,"l16ui",__cb); break; \ + case 4: __get_user_asm(x,ptr,retval,4,"l32i",__cb); break; \ + case 8: retval = __copy_from_user(&x,ptr,8); break; \ + default: (x) = __get_user_bad(); \ + } \ } while (0) @@ -349,7 +350,7 @@ do { \ * __check_align_* macros still work. */ #define __get_user_asm(x, addr, err, align, insn, cb) \ - __asm__ __volatile__( \ +__asm__ __volatile__( \ __check_align_##align \ "1: "insn" %2, %3, 0 \n" \ "2: \n" \ @@ -360,8 +361,8 @@ do { \ "5: \n" \ " l32r %1, 4b \n" \ " movi %2, 0 \n" \ - " movi %0, %4 \n" \ - " jx %1 \n" \ + " movi %0, %4 \n" \ + " jx %1 \n" \ " .previous \n" \ " .section __ex_table,\"a\" \n" \ " .long 1b, 5b \n" \ @@ -421,8 +422,10 @@ __generic_copy_from_user(void *to, const void *from, unsigned long n) #define copy_to_user(to,from,n) __generic_copy_to_user((to),(from),(n)) #define copy_from_user(to,from,n) __generic_copy_from_user((to),(from),(n)) -#define __copy_to_user(to,from,n) __generic_copy_to_user_nocheck((to),(from),(n)) -#define __copy_from_user(to,from,n) __generic_copy_from_user_nocheck((to),(from),(n)) +#define __copy_to_user(to,from,n) \ + __generic_copy_to_user_nocheck((to),(from),(n)) +#define __copy_from_user(to,from,n) \ + __generic_copy_from_user_nocheck((to),(from),(n)) #define __copy_to_user_inatomic __copy_to_user #define __copy_from_user_inatomic __copy_from_user diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile index f36cef5a62ff..c3a59d992ac0 100644 --- a/arch/xtensa/kernel/Makefile +++ b/arch/xtensa/kernel/Makefile @@ -23,13 +23,13 @@ obj-$(CONFIG_MODULES) += xtensa_ksyms.o module.o # # Replicate rules in scripts/Makefile.build -sed-y = -e 's/\*(\(\.[a-z]*it\|\.ref\|\)\.text)/*(\1.literal \1.text)/g' \ - -e 's/\.text\.unlikely/.literal.unlikely .text.unlikely/g' \ +sed-y = -e 's/\*(\(\.[a-z]*it\|\.ref\|\)\.text)/*(\1.literal \1.text)/g' \ + -e 's/\.text\.unlikely/.literal.unlikely .text.unlikely/g' \ -e 's/\*(\(\.text\.[a-z]*\))/*(\1.literal \1)/g' quiet_cmd__cpp_lds_S = LDS $@ - cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Uxtensa -D__ASSEMBLY__ $< \ - | sed $(sed-y) >$@ +cmd__cpp_lds_S = $(CPP) $(cpp_flags) -P -C -Uxtensa -D__ASSEMBLY__ $< \ + | sed $(sed-y) >$@ $(obj)/vmlinux.lds: $(src)/vmlinux.lds.S FORCE $(call if_changed_dep,_cpp_lds_S) diff --git a/arch/xtensa/kernel/align.S b/arch/xtensa/kernel/align.S index 934ae58e2c79..aa2e87b8566a 100644 --- a/arch/xtensa/kernel/align.S +++ b/arch/xtensa/kernel/align.S @@ -442,7 +442,7 @@ ENTRY(fast_unaligned) mov a1, a2 rsr a0, ps - bbsi.l a2, PS_UM_BIT, 1f # jump if user mode + bbsi.l a2, PS_UM_BIT, 1f # jump if user mode movi a0, _kernel_exception jx a0 @@ -450,6 +450,6 @@ ENTRY(fast_unaligned) 1: movi a0, _user_exception jx a0 +ENDPROC(fast_unaligned) #endif /* XCHAL_UNALIGNED_LOAD_EXCEPTION || XCHAL_UNALIGNED_STORE_EXCEPTION */ - diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c index 7dc3f9157185..0701fad170db 100644 --- a/arch/xtensa/kernel/asm-offsets.c +++ b/arch/xtensa/kernel/asm-offsets.c @@ -41,6 +41,7 @@ int main(void) DEFINE(PT_SAR, offsetof (struct pt_regs, sar)); DEFINE(PT_ICOUNTLEVEL, offsetof (struct pt_regs, icountlevel)); DEFINE(PT_SYSCALL, offsetof (struct pt_regs, syscall)); + DEFINE(PT_SCOMPARE1, offsetof(struct pt_regs, scompare1)); DEFINE(PT_AREG, offsetof (struct pt_regs, areg[0])); DEFINE(PT_AREG0, offsetof (struct pt_regs, areg[0])); DEFINE(PT_AREG1, offsetof (struct pt_regs, areg[1])); @@ -91,7 +92,8 @@ int main(void) #endif DEFINE(THREAD_XTREGS_USER, offsetof (struct thread_info, xtregs_user)); DEFINE(XTREGS_USER_SIZE, sizeof(xtregs_user_t)); - DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, thread.current_ds)); + DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, \ + thread.current_ds)); /* struct mm_struct */ DEFINE(MM_USERS, offsetof(struct mm_struct, mm_users)); @@ -108,4 +110,3 @@ int main(void) return 0; } - diff --git a/arch/xtensa/kernel/coprocessor.S b/arch/xtensa/kernel/coprocessor.S index 54c3be313bfa..647657484866 100644 --- a/arch/xtensa/kernel/coprocessor.S +++ b/arch/xtensa/kernel/coprocessor.S @@ -43,10 +43,13 @@ /* IO protection is currently unsupported. */ ENTRY(fast_io_protect) + wsr a0, excsave1 movi a0, unrecoverable_exception callx0 a0 +ENDPROC(fast_io_protect) + #if XTENSA_HAVE_COPROCESSORS /* @@ -139,6 +142,7 @@ ENTRY(fast_io_protect) */ ENTRY(coprocessor_save) + entry a1, 32 s32i a0, a1, 0 movi a0, .Lsave_cp_regs_jump_table @@ -150,7 +154,10 @@ ENTRY(coprocessor_save) 1: l32i a0, a1, 0 retw +ENDPROC(coprocessor_save) + ENTRY(coprocessor_load) + entry a1, 32 s32i a0, a1, 0 movi a0, .Lload_cp_regs_jump_table @@ -162,8 +169,10 @@ ENTRY(coprocessor_load) 1: l32i a0, a1, 0 retw +ENDPROC(coprocessor_load) + /* - * coprocessor_flush(struct task_info*, index) + * coprocessor_flush(struct task_info*, index) * a2 a3 * coprocessor_restore(struct task_info*, index) * a2 a3 @@ -178,6 +187,7 @@ ENTRY(coprocessor_load) ENTRY(coprocessor_flush) + entry a1, 32 s32i a0, a1, 0 movi a0, .Lsave_cp_regs_jump_table @@ -191,6 +201,8 @@ ENTRY(coprocessor_flush) 1: l32i a0, a1, 0 retw +ENDPROC(coprocessor_flush) + ENTRY(coprocessor_restore) entry a1, 32 s32i a0, a1, 0 @@ -205,6 +217,8 @@ ENTRY(coprocessor_restore) 1: l32i a0, a1, 0 retw +ENDPROC(coprocessor_restore) + /* * Entry condition: * @@ -220,10 +234,12 @@ ENTRY(coprocessor_restore) */ ENTRY(fast_coprocessor_double) + wsr a0, excsave1 movi a0, unrecoverable_exception callx0 a0 +ENDPROC(fast_coprocessor_double) ENTRY(fast_coprocessor) @@ -327,9 +343,14 @@ ENTRY(fast_coprocessor) rfe +ENDPROC(fast_coprocessor) + .data + ENTRY(coprocessor_owner) + .fill XCHAL_CP_MAX, 4, 0 -#endif /* XTENSA_HAVE_COPROCESSORS */ +END(coprocessor_owner) +#endif /* XTENSA_HAVE_COPROCESSORS */ diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index 90bfc1dbc13d..3777fec85e7c 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -219,6 +219,7 @@ _user_exception: j common_exception +ENDPROC(user_exception) /* * First-level exit handler for kernel exceptions @@ -371,6 +372,13 @@ common_exception: s32i a2, a1, PT_LBEG s32i a3, a1, PT_LEND + /* Save SCOMPARE1 */ + +#if XCHAL_HAVE_S32C1I + rsr a2, scompare1 + s32i a2, a1, PT_SCOMPARE1 +#endif + /* Save optional registers. */ save_xtregs_opt a1 a2 a4 a5 a6 a7 PT_XTREGS_OPT @@ -432,6 +440,12 @@ common_exception_return: load_xtregs_opt a1 a2 a4 a5 a6 a7 PT_XTREGS_OPT + /* Restore SCOMPARE1 */ + +#if XCHAL_HAVE_S32C1I + l32i a2, a1, PT_SCOMPARE1 + wsr a2, scompare1 +#endif wsr a3, ps /* disable interrupts */ _bbci.l a3, PS_UM_BIT, kernel_exception_exit @@ -641,6 +655,8 @@ common_exception_exit: l32i a1, a1, PT_AREG1 rfde +ENDPROC(kernel_exception) + /* * Debug exception handler. * @@ -701,6 +717,7 @@ ENTRY(debug_exception) /* Debug exception while in exception mode. */ 1: j 1b // FIXME!! +ENDPROC(debug_exception) /* * We get here in case of an unrecoverable exception. @@ -751,6 +768,7 @@ ENTRY(unrecoverable_exception) 1: j 1b +ENDPROC(unrecoverable_exception) /* -------------------------- FAST EXCEPTION HANDLERS ----------------------- */ @@ -856,7 +874,7 @@ ENTRY(fast_alloca) _bnei a0, 1, 1f # no 'movsp a1, ax': jump - /* Move the save area. This implies the use of the L32E + /* Move the save area. This implies the use of the L32E * and S32E instructions, because this move must be done with * the user's PS.RING privilege levels, not with ring 0 * (kernel's) privileges currently active with PS.EXCM @@ -929,6 +947,7 @@ ENTRY(fast_alloca) l32i a2, a2, PT_AREG2 rfe +ENDPROC(fast_alloca) /* * fast system calls. @@ -966,6 +985,8 @@ ENTRY(fast_syscall_kernel) j kernel_exception +ENDPROC(fast_syscall_kernel) + ENTRY(fast_syscall_user) /* Skip syscall. */ @@ -983,19 +1004,21 @@ ENTRY(fast_syscall_user) j user_exception -ENTRY(fast_syscall_unrecoverable) +ENDPROC(fast_syscall_user) - /* Restore all states. */ +ENTRY(fast_syscall_unrecoverable) - l32i a0, a2, PT_AREG0 # restore a0 - xsr a2, depc # restore a2, depc - rsr a3, excsave1 + /* Restore all states. */ - wsr a0, excsave1 - movi a0, unrecoverable_exception - callx0 a0 + l32i a0, a2, PT_AREG0 # restore a0 + xsr a2, depc # restore a2, depc + rsr a3, excsave1 + wsr a0, excsave1 + movi a0, unrecoverable_exception + callx0 a0 +ENDPROC(fast_syscall_unrecoverable) /* * sysxtensa syscall handler @@ -1101,7 +1124,7 @@ CATCH movi a2, -EINVAL rfe - +ENDPROC(fast_syscall_xtensa) /* fast_syscall_spill_registers. @@ -1160,6 +1183,8 @@ ENTRY(fast_syscall_spill_registers) movi a2, 0 rfe +ENDPROC(fast_syscall_spill_registers) + /* Fixup handler. * * We get here if the spill routine causes an exception, e.g. tlb miss. @@ -1228,9 +1253,9 @@ fast_syscall_spill_registers_fixup: movi a3, exc_table rsr a0, exccause - addx4 a0, a0, a3 # find entry in table - l32i a0, a0, EXC_TABLE_FAST_USER # load handler - jx a0 + addx4 a0, a0, a3 # find entry in table + l32i a0, a0, EXC_TABLE_FAST_USER # load handler + jx a0 fast_syscall_spill_registers_fixup_return: @@ -1432,7 +1457,7 @@ ENTRY(_spill_registers) rsr a0, ps _bbci.l a0, PS_UM_BIT, 1f - /* User space: Setup a dummy frame and kill application. + /* User space: Setup a dummy frame and kill application. * Note: We assume EXC_TABLE_KSTK contains a valid stack pointer. */ @@ -1464,6 +1489,8 @@ ENTRY(_spill_registers) callx0 a0 # should not return 1: j 1b +ENDPROC(_spill_registers) + #ifdef CONFIG_MMU /* * We should never get here. Bail out! @@ -1475,6 +1502,8 @@ ENTRY(fast_second_level_miss_double_kernel) callx0 a0 # should not return 1: j 1b +ENDPROC(fast_second_level_miss_double_kernel) + /* First-level entry handler for user, kernel, and double 2nd-level * TLB miss exceptions. Note that for now, user and kernel miss * exceptions share the same entry point and are handled identically. @@ -1682,6 +1711,7 @@ ENTRY(fast_second_level_miss) j _kernel_exception 1: j _user_exception +ENDPROC(fast_second_level_miss) /* * StoreProhibitedException @@ -1777,6 +1807,9 @@ ENTRY(fast_store_prohibited) bbsi.l a2, PS_UM_BIT, 1f j _kernel_exception 1: j _user_exception + +ENDPROC(fast_store_prohibited) + #endif /* CONFIG_MMU */ /* @@ -1787,6 +1820,7 @@ ENTRY(fast_store_prohibited) */ ENTRY(system_call) + entry a1, 32 /* regs->syscall = regs->areg[2] */ @@ -1831,6 +1865,8 @@ ENTRY(system_call) callx4 a4 retw +ENDPROC(system_call) + /* * Task switch. @@ -1899,6 +1935,7 @@ ENTRY(_switch_to) retw +ENDPROC(_switch_to) ENTRY(ret_from_fork) @@ -1914,6 +1951,8 @@ ENTRY(ret_from_fork) j common_exception_return +ENDPROC(ret_from_fork) + /* * Kernel thread creation helper * On entry, set up by copy_thread: a2 = thread_fn, a3 = thread_fn arg diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S index bdc50788f35e..91d9095284de 100644 --- a/arch/xtensa/kernel/head.S +++ b/arch/xtensa/kernel/head.S @@ -18,6 +18,7 @@ #include <asm/processor.h> #include <asm/page.h> #include <asm/cacheasm.h> +#include <asm/initialize_mmu.h> #include <linux/init.h> #include <linux/linkage.h> @@ -47,16 +48,19 @@ */ __HEAD - .globl _start -_start: _j 2f +ENTRY(_start) + + _j 2f .align 4 1: .word _startup 2: l32r a0, 1b jx a0 +ENDPROC(_start) + .section .init.text, "ax" - .align 4 -_startup: + +ENTRY(_startup) /* Disable interrupts and exceptions. */ @@ -107,7 +111,7 @@ _startup: /* Disable all timers. */ .set _index, 0 - .rept XCHAL_NUM_TIMERS - 1 + .rept XCHAL_NUM_TIMERS wsr a0, SREG_CCOMPARE + _index .set _index, _index + 1 .endr @@ -120,7 +124,7 @@ _startup: /* Disable coprocessors. */ -#if XCHAL_CP_NUM > 0 +#if XCHAL_HAVE_CP wsr a0, cpenable #endif @@ -152,6 +156,8 @@ _startup: isync + initialize_mmu + /* Unpack data sections * * The linker script used to build the Linux kernel image @@ -230,6 +236,7 @@ _startup: should_never_return: j should_never_return +ENDPROC(_startup) /* * BSS section @@ -239,6 +246,8 @@ __PAGE_ALIGNED_BSS #ifdef CONFIG_MMU ENTRY(swapper_pg_dir) .fill PAGE_SIZE, 1, 0 +END(swapper_pg_dir) #endif ENTRY(empty_zero_page) .fill PAGE_SIZE, 1, 0 +END(empty_zero_page) diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index a6ce3e563739..6f4f9749cff7 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -18,6 +18,8 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/kernel_stat.h> +#include <linux/irqdomain.h> +#include <linux/of.h> #include <asm/uaccess.h> #include <asm/platform.h> @@ -26,19 +28,22 @@ static unsigned int cached_irq_mask; atomic_t irq_err_count; +static struct irq_domain *root_domain; + /* * do_IRQ handles all normal device IRQ's (the special * SMP cross-CPU interrupts have their own specific * handlers). */ -asmlinkage void do_IRQ(int irq, struct pt_regs *regs) +asmlinkage void do_IRQ(int hwirq, struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); + int irq = irq_find_mapping(root_domain, hwirq); - if (irq >= NR_IRQS) { + if (hwirq >= NR_IRQS) { printk(KERN_EMERG "%s: cannot handle IRQ %d\n", - __func__, irq); + __func__, hwirq); } irq_enter(); @@ -71,40 +76,39 @@ int arch_show_interrupts(struct seq_file *p, int prec) static void xtensa_irq_mask(struct irq_data *d) { - cached_irq_mask &= ~(1 << d->irq); + cached_irq_mask &= ~(1 << d->hwirq); set_sr (cached_irq_mask, intenable); } static void xtensa_irq_unmask(struct irq_data *d) { - cached_irq_mask |= 1 << d->irq; + cached_irq_mask |= 1 << d->hwirq; set_sr (cached_irq_mask, intenable); } static void xtensa_irq_enable(struct irq_data *d) { - variant_irq_enable(d->irq); + variant_irq_enable(d->hwirq); xtensa_irq_unmask(d); } static void xtensa_irq_disable(struct irq_data *d) { xtensa_irq_mask(d); - variant_irq_disable(d->irq); + variant_irq_disable(d->hwirq); } static void xtensa_irq_ack(struct irq_data *d) { - set_sr(1 << d->irq, intclear); + set_sr(1 << d->hwirq, intclear); } static int xtensa_irq_retrigger(struct irq_data *d) { - set_sr (1 << d->irq, INTSET); + set_sr(1 << d->hwirq, intset); return 1; } - static struct irq_chip xtensa_irq_chip = { .name = "xtensa", .irq_enable = xtensa_irq_enable, @@ -115,37 +119,99 @@ static struct irq_chip xtensa_irq_chip = { .irq_retrigger = xtensa_irq_retrigger, }; -void __init init_IRQ(void) +static int xtensa_irq_map(struct irq_domain *d, unsigned int irq, + irq_hw_number_t hw) { - int index; - - for (index = 0; index < XTENSA_NR_IRQS; index++) { - int mask = 1 << index; - - if (mask & XCHAL_INTTYPE_MASK_SOFTWARE) - irq_set_chip_and_handler(index, &xtensa_irq_chip, - handle_simple_irq); + u32 mask = 1 << hw; + + if (mask & XCHAL_INTTYPE_MASK_SOFTWARE) { + irq_set_chip_and_handler_name(irq, &xtensa_irq_chip, + handle_simple_irq, "level"); + irq_set_status_flags(irq, IRQ_LEVEL); + } else if (mask & XCHAL_INTTYPE_MASK_EXTERN_EDGE) { + irq_set_chip_and_handler_name(irq, &xtensa_irq_chip, + handle_edge_irq, "edge"); + irq_clear_status_flags(irq, IRQ_LEVEL); + } else if (mask & XCHAL_INTTYPE_MASK_EXTERN_LEVEL) { + irq_set_chip_and_handler_name(irq, &xtensa_irq_chip, + handle_level_irq, "level"); + irq_set_status_flags(irq, IRQ_LEVEL); + } else if (mask & XCHAL_INTTYPE_MASK_TIMER) { + irq_set_chip_and_handler_name(irq, &xtensa_irq_chip, + handle_edge_irq, "edge"); + irq_clear_status_flags(irq, IRQ_LEVEL); + } else {/* XCHAL_INTTYPE_MASK_WRITE_ERROR */ + /* XCHAL_INTTYPE_MASK_NMI */ + + irq_set_chip_and_handler_name(irq, &xtensa_irq_chip, + handle_level_irq, "level"); + irq_set_status_flags(irq, IRQ_LEVEL); + } + return 0; +} - else if (mask & XCHAL_INTTYPE_MASK_EXTERN_EDGE) - irq_set_chip_and_handler(index, &xtensa_irq_chip, - handle_edge_irq); +static unsigned map_ext_irq(unsigned ext_irq) +{ + unsigned mask = XCHAL_INTTYPE_MASK_EXTERN_EDGE | + XCHAL_INTTYPE_MASK_EXTERN_LEVEL; + unsigned i; - else if (mask & XCHAL_INTTYPE_MASK_EXTERN_LEVEL) - irq_set_chip_and_handler(index, &xtensa_irq_chip, - handle_level_irq); + for (i = 0; mask; ++i, mask >>= 1) { + if ((mask & 1) && ext_irq-- == 0) + return i; + } + return XCHAL_NUM_INTERRUPTS; +} - else if (mask & XCHAL_INTTYPE_MASK_TIMER) - irq_set_chip_and_handler(index, &xtensa_irq_chip, - handle_edge_irq); +/* + * Device Tree IRQ specifier translation function which works with one or + * two cell bindings. First cell value maps directly to the hwirq number. + * Second cell if present specifies whether hwirq number is external (1) or + * internal (0). + */ +int xtensa_irq_domain_xlate(struct irq_domain *d, struct device_node *ctrlr, + const u32 *intspec, unsigned int intsize, + unsigned long *out_hwirq, unsigned int *out_type) +{ + if (WARN_ON(intsize < 1 || intsize > 2)) + return -EINVAL; + if (intsize == 2 && intspec[1] == 1) { + unsigned int_irq = map_ext_irq(intspec[0]); + if (int_irq < XCHAL_NUM_INTERRUPTS) + *out_hwirq = int_irq; + else + return -EINVAL; + } else { + *out_hwirq = intspec[0]; + } + *out_type = IRQ_TYPE_NONE; + return 0; +} - else /* XCHAL_INTTYPE_MASK_WRITE_ERROR */ - /* XCHAL_INTTYPE_MASK_NMI */ +static const struct irq_domain_ops xtensa_irq_domain_ops = { + .xlate = xtensa_irq_domain_xlate, + .map = xtensa_irq_map, +}; - irq_set_chip_and_handler(index, &xtensa_irq_chip, - handle_level_irq); - } +void __init init_IRQ(void) +{ + struct device_node *intc = NULL; cached_irq_mask = 0; + set_sr(~0, intclear); + +#ifdef CONFIG_OF + /* The interrupt controller device node is mandatory */ + intc = of_find_compatible_node(NULL, NULL, "xtensa,pic"); + BUG_ON(!intc); + + root_domain = irq_domain_add_linear(intc, NR_IRQS, + &xtensa_irq_domain_ops, NULL); +#else + root_domain = irq_domain_add_legacy(intc, NR_IRQS, 0, 0, + &xtensa_irq_domain_ops, NULL); +#endif + irq_set_default_host(root_domain); variant_init_irq(); } diff --git a/arch/xtensa/kernel/module.c b/arch/xtensa/kernel/module.c index 451dda928c93..b715237bae61 100644 --- a/arch/xtensa/kernel/module.c +++ b/arch/xtensa/kernel/module.c @@ -53,7 +53,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, struct module *mod) { unsigned int i; - Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr; + Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr; Elf32_Sym *sym; unsigned char *location; uint32_t value; diff --git a/arch/xtensa/kernel/platform.c b/arch/xtensa/kernel/platform.c index 97230e46cbe7..44bf21c3769a 100644 --- a/arch/xtensa/kernel/platform.c +++ b/arch/xtensa/kernel/platform.c @@ -44,4 +44,3 @@ _F(void, calibrate_ccount, (void), ccount_per_jiffy = 10 * (1000000UL/HZ); }); #endif - diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index 1accf28da5f5..0dd5784416d3 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -108,7 +108,7 @@ void coprocessor_flush_all(struct thread_info *ti) void cpu_idle(void) { - local_irq_enable(); + local_irq_enable(); /* endless idle loop with no priority at all */ while (1) { diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c index 33eea4c16f12..61fb2e9e9035 100644 --- a/arch/xtensa/kernel/ptrace.c +++ b/arch/xtensa/kernel/ptrace.c @@ -154,7 +154,7 @@ int ptrace_setxregs(struct task_struct *child, void __user *uregs) coprocessor_flush_all(ti); coprocessor_release_all(ti); - ret |= __copy_from_user(&ti->xtregs_cp, &xtregs->cp0, + ret |= __copy_from_user(&ti->xtregs_cp, &xtregs->cp0, sizeof(xtregs_coprocessor_t)); #endif ret |= __copy_from_user(®s->xtregs_opt, &xtregs->opt, @@ -343,4 +343,3 @@ void do_syscall_trace_leave(struct pt_regs *regs) && (current->ptrace & PT_PTRACED)) do_syscall_trace(); } - diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index b237988ba6d7..24c1a57abb40 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -22,6 +22,11 @@ #include <linux/bootmem.h> #include <linux/kernel.h> +#ifdef CONFIG_OF +#include <linux/of_fdt.h> +#include <linux/of_platform.h> +#endif + #if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE) # include <linux/console.h> #endif @@ -42,6 +47,7 @@ #include <asm/page.h> #include <asm/setup.h> #include <asm/param.h> +#include <asm/traps.h> #include <platform/hardware.h> @@ -64,6 +70,11 @@ int initrd_is_mapped = 0; extern int initrd_below_start_ok; #endif +#ifdef CONFIG_OF +extern u32 __dtb_start[]; +void *dtb_start = __dtb_start; +#endif + unsigned char aux_device_present; extern unsigned long loops_per_jiffy; @@ -83,6 +94,8 @@ extern void init_mmu(void); static inline void init_mmu(void) { } #endif +extern int mem_reserve(unsigned long, unsigned long, int); +extern void bootmem_init(void); extern void zones_init(void); /* @@ -104,28 +117,33 @@ typedef struct tagtable { /* parse current tag */ -static int __init parse_tag_mem(const bp_tag_t *tag) +static int __init add_sysmem_bank(unsigned long type, unsigned long start, + unsigned long end) { - meminfo_t *mi = (meminfo_t*)(tag->data); - - if (mi->type != MEMORY_TYPE_CONVENTIONAL) - return -1; - if (sysmem.nr_banks >= SYSMEM_BANKS_MAX) { printk(KERN_WARNING - "Ignoring memory bank 0x%08lx size %ldKB\n", - (unsigned long)mi->start, - (unsigned long)mi->end - (unsigned long)mi->start); + "Ignoring memory bank 0x%08lx size %ldKB\n", + start, end - start); return -EINVAL; } - sysmem.bank[sysmem.nr_banks].type = mi->type; - sysmem.bank[sysmem.nr_banks].start = PAGE_ALIGN(mi->start); - sysmem.bank[sysmem.nr_banks].end = mi->end & PAGE_MASK; + sysmem.bank[sysmem.nr_banks].type = type; + sysmem.bank[sysmem.nr_banks].start = PAGE_ALIGN(start); + sysmem.bank[sysmem.nr_banks].end = end & PAGE_MASK; sysmem.nr_banks++; return 0; } +static int __init parse_tag_mem(const bp_tag_t *tag) +{ + meminfo_t *mi = (meminfo_t *)(tag->data); + + if (mi->type != MEMORY_TYPE_CONVENTIONAL) + return -1; + + return add_sysmem_bank(mi->type, mi->start, mi->end); +} + __tagtable(BP_TAG_MEMORY, parse_tag_mem); #ifdef CONFIG_BLK_DEV_INITRD @@ -142,12 +160,31 @@ static int __init parse_tag_initrd(const bp_tag_t* tag) __tagtable(BP_TAG_INITRD, parse_tag_initrd); +#ifdef CONFIG_OF + +static int __init parse_tag_fdt(const bp_tag_t *tag) +{ + dtb_start = (void *)(tag->data[0]); + return 0; +} + +__tagtable(BP_TAG_FDT, parse_tag_fdt); + +void __init early_init_dt_setup_initrd_arch(unsigned long start, + unsigned long end) +{ + initrd_start = (void *)__va(start); + initrd_end = (void *)__va(end); + initrd_below_start_ok = 1; +} + +#endif /* CONFIG_OF */ + #endif /* CONFIG_BLK_DEV_INITRD */ static int __init parse_tag_cmdline(const bp_tag_t* tag) { - strncpy(command_line, (char*)(tag->data), COMMAND_LINE_SIZE); - command_line[COMMAND_LINE_SIZE - 1] = '\0'; + strlcpy(command_line, (char *)(tag->data), COMMAND_LINE_SIZE); return 0; } @@ -185,6 +222,58 @@ static int __init parse_bootparam(const bp_tag_t* tag) return 0; } +#ifdef CONFIG_OF + +void __init early_init_dt_add_memory_arch(u64 base, u64 size) +{ + size &= PAGE_MASK; + add_sysmem_bank(MEMORY_TYPE_CONVENTIONAL, base, base + size); +} + +void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) +{ + return __alloc_bootmem(size, align, 0); +} + +void __init early_init_devtree(void *params) +{ + /* Setup flat device-tree pointer */ + initial_boot_params = params; + + /* Retrieve various informations from the /chosen node of the + * device-tree, including the platform type, initrd location and + * size, TCE reserve, and more ... + */ + if (!command_line[0]) + of_scan_flat_dt(early_init_dt_scan_chosen, command_line); + + /* Scan memory nodes and rebuild MEMBLOCKs */ + of_scan_flat_dt(early_init_dt_scan_root, NULL); + if (sysmem.nr_banks == 0) + of_scan_flat_dt(early_init_dt_scan_memory, NULL); +} + +static void __init copy_devtree(void) +{ + void *alloc = early_init_dt_alloc_memory_arch( + be32_to_cpu(initial_boot_params->totalsize), 0); + if (alloc) { + memcpy(alloc, initial_boot_params, + be32_to_cpu(initial_boot_params->totalsize)); + initial_boot_params = alloc; + } +} + +static int __init xtensa_device_probe(void) +{ + of_platform_populate(NULL, NULL, NULL, NULL); + return 0; +} + +device_initcall(xtensa_device_probe); + +#endif /* CONFIG_OF */ + /* * Initialize architecture. (Early stage) */ @@ -193,14 +282,14 @@ void __init init_arch(bp_tag_t *bp_start) { sysmem.nr_banks = 0; -#ifdef CONFIG_CMDLINE_BOOL - strcpy(command_line, default_command_line); -#endif - /* Parse boot parameters */ - if (bp_start) - parse_bootparam(bp_start); + if (bp_start) + parse_bootparam(bp_start); + +#ifdef CONFIG_OF + early_init_devtree(dtb_start); +#endif if (sysmem.nr_banks == 0) { sysmem.nr_banks = 1; @@ -209,6 +298,11 @@ void __init init_arch(bp_tag_t *bp_start) + PLATFORM_DEFAULT_MEM_SIZE; } +#ifdef CONFIG_CMDLINE_BOOL + if (!command_line[0]) + strlcpy(command_line, default_command_line, COMMAND_LINE_SIZE); +#endif + /* Early hook for platforms */ platform_init(bp_start); @@ -235,15 +329,130 @@ extern char _UserExceptionVector_text_end; extern char _DoubleExceptionVector_literal_start; extern char _DoubleExceptionVector_text_end; -void __init setup_arch(char **cmdline_p) + +#ifdef CONFIG_S32C1I_SELFTEST +#if XCHAL_HAVE_S32C1I + +static int __initdata rcw_word, rcw_probe_pc, rcw_exc; + +/* + * Basic atomic compare-and-swap, that records PC of S32C1I for probing. + * + * If *v == cmp, set *v = set. Return previous *v. + */ +static inline int probed_compare_swap(int *v, int cmp, int set) +{ + int tmp; + + __asm__ __volatile__( + " movi %1, 1f\n" + " s32i %1, %4, 0\n" + " wsr %2, scompare1\n" + "1: s32c1i %0, %3, 0\n" + : "=a" (set), "=&a" (tmp) + : "a" (cmp), "a" (v), "a" (&rcw_probe_pc), "0" (set) + : "memory" + ); + return set; +} + +/* Handle probed exception */ + +void __init do_probed_exception(struct pt_regs *regs, unsigned long exccause) +{ + if (regs->pc == rcw_probe_pc) { /* exception on s32c1i ? */ + regs->pc += 3; /* skip the s32c1i instruction */ + rcw_exc = exccause; + } else { + do_unhandled(regs, exccause); + } +} + +/* Simple test of S32C1I (soc bringup assist) */ + +void __init check_s32c1i(void) +{ + int n, cause1, cause2; + void *handbus, *handdata, *handaddr; /* temporarily saved handlers */ + + rcw_probe_pc = 0; + handbus = trap_set_handler(EXCCAUSE_LOAD_STORE_ERROR, + do_probed_exception); + handdata = trap_set_handler(EXCCAUSE_LOAD_STORE_DATA_ERROR, + do_probed_exception); + handaddr = trap_set_handler(EXCCAUSE_LOAD_STORE_ADDR_ERROR, + do_probed_exception); + + /* First try an S32C1I that does not store: */ + rcw_exc = 0; + rcw_word = 1; + n = probed_compare_swap(&rcw_word, 0, 2); + cause1 = rcw_exc; + + /* took exception? */ + if (cause1 != 0) { + /* unclean exception? */ + if (n != 2 || rcw_word != 1) + panic("S32C1I exception error"); + } else if (rcw_word != 1 || n != 1) { + panic("S32C1I compare error"); + } + + /* Then an S32C1I that stores: */ + rcw_exc = 0; + rcw_word = 0x1234567; + n = probed_compare_swap(&rcw_word, 0x1234567, 0xabcde); + cause2 = rcw_exc; + + if (cause2 != 0) { + /* unclean exception? */ + if (n != 0xabcde || rcw_word != 0x1234567) + panic("S32C1I exception error (b)"); + } else if (rcw_word != 0xabcde || n != 0x1234567) { + panic("S32C1I store error"); + } + + /* Verify consistency of exceptions: */ + if (cause1 || cause2) { + pr_warn("S32C1I took exception %d, %d\n", cause1, cause2); + /* If emulation of S32C1I upon bus error gets implemented, + we can get rid of this panic for single core (not SMP) */ + panic("S32C1I exceptions not currently supported"); + } + if (cause1 != cause2) + panic("inconsistent S32C1I exceptions"); + + trap_set_handler(EXCCAUSE_LOAD_STORE_ERROR, handbus); + trap_set_handler(EXCCAUSE_LOAD_STORE_DATA_ERROR, handdata); + trap_set_handler(EXCCAUSE_LOAD_STORE_ADDR_ERROR, handaddr); +} + +#else /* XCHAL_HAVE_S32C1I */ + +/* This condition should not occur with a commercially deployed processor. + Display reminder for early engr test or demo chips / FPGA bitstreams */ +void __init check_s32c1i(void) +{ + pr_warn("Processor configuration lacks atomic compare-and-swap support!\n"); +} + +#endif /* XCHAL_HAVE_S32C1I */ +#else /* CONFIG_S32C1I_SELFTEST */ + +void __init check_s32c1i(void) { - extern int mem_reserve(unsigned long, unsigned long, int); - extern void bootmem_init(void); +} + +#endif /* CONFIG_S32C1I_SELFTEST */ - memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); - boot_command_line[COMMAND_LINE_SIZE-1] = '\0'; + +void __init setup_arch(char **cmdline_p) +{ + strlcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); *cmdline_p = command_line; + check_s32c1i(); + /* Reserve some memory regions */ #ifdef CONFIG_BLK_DEV_INITRD @@ -251,7 +460,7 @@ void __init setup_arch(char **cmdline_p) initrd_is_mapped = mem_reserve(__pa(initrd_start), __pa(initrd_end), 0); initrd_below_start_ok = 1; - } else { + } else { initrd_start = 0; } #endif @@ -275,8 +484,12 @@ void __init setup_arch(char **cmdline_p) bootmem_init(); - platform_setup(cmdline_p); +#ifdef CONFIG_OF + copy_devtree(); + unflatten_device_tree(); +#endif + platform_setup(cmdline_p); paging_init(); zones_init(); @@ -326,7 +539,7 @@ c_show(struct seq_file *f, void *slot) "core ID\t\t: " XCHAL_CORE_ID "\n" "build ID\t: 0x%x\n" "byte order\t: %s\n" - "cpu MHz\t\t: %lu.%02lu\n" + "cpu MHz\t\t: %lu.%02lu\n" "bogomips\t: %lu.%02lu\n", XCHAL_BUILD_UNIQUE_ID, XCHAL_HAVE_BE ? "big" : "little", @@ -381,6 +594,9 @@ c_show(struct seq_file *f, void *slot) #if XCHAL_HAVE_FP "fpu " #endif +#if XCHAL_HAVE_S32C1I + "s32c1i " +#endif "\n"); /* Registers. */ @@ -412,7 +628,7 @@ c_show(struct seq_file *f, void *slot) "icache size\t: %d\n" "icache flags\t: " #if XCHAL_ICACHE_LINE_LOCKABLE - "lock" + "lock " #endif "\n" "dcache line size: %d\n" @@ -420,10 +636,10 @@ c_show(struct seq_file *f, void *slot) "dcache size\t: %d\n" "dcache flags\t: " #if XCHAL_DCACHE_IS_WRITEBACK - "writeback" + "writeback " #endif #if XCHAL_DCACHE_LINE_LOCKABLE - "lock" + "lock " #endif "\n", XCHAL_ICACHE_LINESIZE, @@ -465,4 +681,3 @@ const struct seq_operations cpuinfo_op = }; #endif /* CONFIG_PROC_FS */ - diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c index 63c566f627bc..de34d6be91cd 100644 --- a/arch/xtensa/kernel/signal.c +++ b/arch/xtensa/kernel/signal.c @@ -212,7 +212,7 @@ restore_sigcontext(struct pt_regs *regs, struct rt_sigframe __user *frame) if (err) return err; - /* The signal handler may have used coprocessors in which + /* The signal handler may have used coprocessors in which * case they are still enabled. We disable them to force a * reloading of the original task's CP state by the lazy * context-switching mechanisms of CP exception handling. @@ -396,7 +396,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, siginfo_t *info, */ /* Set up registers for signal handler */ - start_thread(regs, (unsigned long) ka->sa.sa_handler, + start_thread(regs, (unsigned long) ka->sa.sa_handler, (unsigned long) frame); /* Set up a stack frame for a call4 @@ -424,9 +424,9 @@ give_sigsegv: return -EFAULT; } -asmlinkage long xtensa_sigaltstack(const stack_t __user *uss, +asmlinkage long xtensa_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, - long a2, long a3, long a4, long a5, + long a2, long a3, long a4, long a5, struct pt_regs *regs) { return do_sigaltstack(uss, uoss, regs->areg[1]); diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c index 5702065f472a..54fa8425cee2 100644 --- a/arch/xtensa/kernel/syscall.c +++ b/arch/xtensa/kernel/syscall.c @@ -52,4 +52,3 @@ asmlinkage long xtensa_fadvise64_64(int fd, int advice, { return sys_fadvise64_64(fd, offset, len, advice); } - diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c index ac62f9cf1e10..ffb474104311 100644 --- a/arch/xtensa/kernel/time.c +++ b/arch/xtensa/kernel/time.c @@ -22,6 +22,7 @@ #include <linux/irq.h> #include <linux/profile.h> #include <linux/delay.h> +#include <linux/irqdomain.h> #include <asm/timex.h> #include <asm/platform.h> @@ -31,7 +32,7 @@ unsigned long ccount_per_jiffy; /* per 1/HZ */ unsigned long nsec_per_ccount; /* nsec per ccount increment */ #endif -static cycle_t ccount_read(void) +static cycle_t ccount_read(struct clocksource *cs) { return (cycle_t)get_ccount(); } @@ -52,6 +53,7 @@ static struct irqaction timer_irqaction = { void __init time_init(void) { + unsigned int irq; #ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT printk("Calibrating CPU frequency "); platform_calibrate_ccount(); @@ -62,7 +64,8 @@ void __init time_init(void) /* Initialize the linux timer interrupt. */ - setup_irq(LINUX_TIMER_INT, &timer_irqaction); + irq = irq_create_mapping(NULL, LINUX_TIMER_INT); + setup_irq(irq, &timer_irqaction); set_linux_timer(get_ccount() + CCOUNT_PER_JIFFY); } diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c index 5caf2b64d43a..01e0111bf787 100644 --- a/arch/xtensa/kernel/traps.c +++ b/arch/xtensa/kernel/traps.c @@ -293,6 +293,17 @@ do_debug(struct pt_regs *regs) } +/* Set exception C handler - for temporary use when probing exceptions */ + +void * __init trap_set_handler(int cause, void *handler) +{ + unsigned long *entry = &exc_table[EXC_TABLE_DEFAULT / 4 + cause]; + void *previous = (void *)*entry; + *entry = (unsigned long)handler; + return previous; +} + + /* * Initialize dispatch tables. * @@ -397,7 +408,8 @@ static inline void spill_registers(void) "wsr a13, sar\n\t" "wsr a14, ps\n\t" :: "a" (&a0), "a" (&ps) - : "a2", "a3", "a4", "a7", "a11", "a12", "a13", "a14", "a15", "memory"); + : "a2", "a3", "a4", "a7", "a11", "a12", "a13", "a14", "a15", + "memory"); } void show_trace(struct task_struct *task, unsigned long *sp) @@ -452,7 +464,7 @@ void show_stack(struct task_struct *task, unsigned long *sp) if (!sp) sp = stack_pointer(task); - stack = sp; + stack = sp; printk("\nStack: "); @@ -523,5 +535,3 @@ void die(const char * str, struct pt_regs * regs, long err) do_exit(err); } - - diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S index 4462c1e595c2..68df35f66ce3 100644 --- a/arch/xtensa/kernel/vectors.S +++ b/arch/xtensa/kernel/vectors.S @@ -79,6 +79,8 @@ ENTRY(_UserExceptionVector) l32i a0, a0, EXC_TABLE_FAST_USER # load handler jx a0 +ENDPROC(_UserExceptionVector) + /* * Kernel exception vector. (Exceptions with PS.UM == 0, PS.EXCM == 0) * @@ -103,6 +105,7 @@ ENTRY(_KernelExceptionVector) l32i a0, a0, EXC_TABLE_FAST_KERNEL # load handler address jx a0 +ENDPROC(_KernelExceptionVector) /* * Double exception vector (Exceptions with PS.EXCM == 1) @@ -225,7 +228,13 @@ ENTRY(_DoubleExceptionVector) /* Window overflow/underflow exception. Get stack pointer. */ mov a3, a2 - movi a2, exc_table + /* This explicit literal and the following references to it are made + * in order to fit DoubleExceptionVector.literals into the available + * 16-byte gap before DoubleExceptionVector.text in the absence of + * link time relaxation. See kernel/vmlinux.lds.S + */ + .literal .Lexc_table, exc_table + l32r a2, .Lexc_table l32i a2, a2, EXC_TABLE_KSTK /* Check for overflow/underflow exception, jump if overflow. */ @@ -255,7 +264,7 @@ ENTRY(_DoubleExceptionVector) s32i a0, a2, PT_AREG0 wsr a3, excsave1 # save a3 - movi a3, exc_table + l32r a3, .Lexc_table rsr a0, exccause s32i a0, a2, PT_DEPC # mark it as a regular exception @@ -267,7 +276,7 @@ ENTRY(_DoubleExceptionVector) /* a0: depc, a1: a1, a2: a2, a3: trashed, depc: a0, excsave1: a3 */ - movi a3, exc_table + l32r a3, .Lexc_table s32i a2, a3, EXC_TABLE_DOUBLE_SAVE # temporary variable /* Enter critical section. */ @@ -296,7 +305,7 @@ ENTRY(_DoubleExceptionVector) /* a0: avail, a1: a1, a2: kstk, a3: avail, depc: a2, excsave: a3 */ - movi a3, exc_table + l32r a3, .Lexc_table rsr a0, exccause addx4 a0, a0, a3 l32i a0, a0, EXC_TABLE_FAST_USER @@ -338,6 +347,7 @@ ENTRY(_DoubleExceptionVector) .end literal_prefix +ENDPROC(_DoubleExceptionVector) /* * Debug interrupt vector @@ -349,9 +359,11 @@ ENTRY(_DoubleExceptionVector) .section .DebugInterruptVector.text, "ax" ENTRY(_DebugInterruptVector) + xsr a0, SREG_EXCSAVE + XCHAL_DEBUGLEVEL jx a0 +ENDPROC(_DebugInterruptVector) /* Window overflow and underflow handlers. @@ -363,38 +375,43 @@ ENTRY(_DebugInterruptVector) * we try to access any page that would cause a page fault early. */ +#define ENTRY_ALIGN64(name) \ + .globl name; \ + .align 64; \ + name: + .section .WindowVectors.text, "ax" /* 4-Register Window Overflow Vector (Handler) */ - .align 64 -.global _WindowOverflow4 -_WindowOverflow4: +ENTRY_ALIGN64(_WindowOverflow4) + s32e a0, a5, -16 s32e a1, a5, -12 s32e a2, a5, -8 s32e a3, a5, -4 rfwo +ENDPROC(_WindowOverflow4) + /* 4-Register Window Underflow Vector (Handler) */ - .align 64 -.global _WindowUnderflow4 -_WindowUnderflow4: +ENTRY_ALIGN64(_WindowUnderflow4) + l32e a0, a5, -16 l32e a1, a5, -12 l32e a2, a5, -8 l32e a3, a5, -4 rfwu +ENDPROC(_WindowUnderflow4) /* 8-Register Window Overflow Vector (Handler) */ - .align 64 -.global _WindowOverflow8 -_WindowOverflow8: +ENTRY_ALIGN64(_WindowOverflow8) + s32e a0, a9, -16 l32e a0, a1, -12 s32e a2, a9, -8 @@ -406,11 +423,12 @@ _WindowOverflow8: s32e a7, a0, -20 rfwo +ENDPROC(_WindowOverflow8) + /* 8-Register Window Underflow Vector (Handler) */ - .align 64 -.global _WindowUnderflow8 -_WindowUnderflow8: +ENTRY_ALIGN64(_WindowUnderflow8) + l32e a1, a9, -12 l32e a0, a9, -16 l32e a7, a1, -12 @@ -422,12 +440,12 @@ _WindowUnderflow8: l32e a7, a7, -20 rfwu +ENDPROC(_WindowUnderflow8) /* 12-Register Window Overflow Vector (Handler) */ - .align 64 -.global _WindowOverflow12 -_WindowOverflow12: +ENTRY_ALIGN64(_WindowOverflow12) + s32e a0, a13, -16 l32e a0, a1, -12 s32e a1, a13, -12 @@ -443,11 +461,12 @@ _WindowOverflow12: s32e a11, a0, -20 rfwo +ENDPROC(_WindowOverflow12) + /* 12-Register Window Underflow Vector (Handler) */ - .align 64 -.global _WindowUnderflow12 -_WindowUnderflow12: +ENTRY_ALIGN64(_WindowUnderflow12) + l32e a1, a13, -12 l32e a0, a13, -16 l32e a11, a1, -12 @@ -463,6 +482,6 @@ _WindowUnderflow12: l32e a11, a11, -20 rfwu - .text - +ENDPROC(_WindowUnderflow12) + .text diff --git a/arch/xtensa/lib/checksum.S b/arch/xtensa/lib/checksum.S index df397f932d0e..4eb573d2720e 100644 --- a/arch/xtensa/lib/checksum.S +++ b/arch/xtensa/lib/checksum.S @@ -41,10 +41,11 @@ .text ENTRY(csum_partial) - /* - * Experiments with Ethernet and SLIP connections show that buf - * is aligned on either a 2-byte or 4-byte boundary. - */ + + /* + * Experiments with Ethernet and SLIP connections show that buf + * is aligned on either a 2-byte or 4-byte boundary. + */ entry sp, 32 extui a5, a2, 0, 2 bnez a5, 8f /* branch if 2-byte aligned */ @@ -170,7 +171,7 @@ ENTRY(csum_partial) 3: j 5b /* branch to handle the remaining byte */ - +ENDPROC(csum_partial) /* * Copy from ds while checksumming, otherwise like csum_partial @@ -211,6 +212,7 @@ unsigned int csum_partial_copy_generic (const char *src, char *dst, int len, */ ENTRY(csum_partial_copy_generic) + entry sp, 32 mov a12, a3 mov a11, a4 @@ -367,6 +369,8 @@ DST( s8i a8, a3, 1 ) 6: j 4b /* process the possible trailing odd byte */ +ENDPROC(csum_partial_copy_generic) + # Exception handler: .section .fixup, "ax" @@ -406,4 +410,3 @@ DST( s8i a8, a3, 1 ) retw .previous - diff --git a/arch/xtensa/lib/memcopy.S b/arch/xtensa/lib/memcopy.S index c48b80acb5f0..b1c219acabe7 100644 --- a/arch/xtensa/lib/memcopy.S +++ b/arch/xtensa/lib/memcopy.S @@ -210,8 +210,10 @@ memcpy: _beqz a4, .Ldone # avoid loading anything for zero-length copies # copy 16 bytes per iteration for word-aligned dst and unaligned src ssa8 a3 # set shift amount from byte offset -#define SIM_CHECKS_ALIGNMENT 1 /* set to 1 when running on ISS (simulator) with the - lint or ferret client, or 0 to save a few cycles */ + +/* set to 1 when running on ISS (simulator) with the + lint or ferret client, or 0 to save a few cycles */ +#define SIM_CHECKS_ALIGNMENT 1 #if XCHAL_UNALIGNED_LOAD_EXCEPTION || SIM_CHECKS_ALIGNMENT and a11, a3, a8 # save unalignment offset for below sub a3, a3, a11 # align a3 diff --git a/arch/xtensa/lib/pci-auto.c b/arch/xtensa/lib/pci-auto.c index a71733ae1193..34d05abbd921 100644 --- a/arch/xtensa/lib/pci-auto.c +++ b/arch/xtensa/lib/pci-auto.c @@ -241,8 +241,8 @@ int __init pciauto_bus_scan(struct pci_controller *pci_ctrl, int current_bus) unsigned char header_type; struct pci_dev *dev = &pciauto_dev; - pciauto_dev.bus = &pciauto_bus; - pciauto_dev.sysdata = pci_ctrl; + pciauto_dev.bus = &pciauto_bus; + pciauto_dev.sysdata = pci_ctrl; pciauto_bus.ops = pci_ctrl->ops; /* @@ -345,8 +345,3 @@ int __init pciauto_bus_scan(struct pci_controller *pci_ctrl, int current_bus) } return sub_bus; } - - - - - diff --git a/arch/xtensa/lib/strncpy_user.S b/arch/xtensa/lib/strncpy_user.S index 9f603cdaaa68..1ad0ecf45368 100644 --- a/arch/xtensa/lib/strncpy_user.S +++ b/arch/xtensa/lib/strncpy_user.S @@ -166,7 +166,7 @@ __strncpy_user: retw .Lz1: # byte 1 is zero #ifdef __XTENSA_EB__ - extui a9, a9, 16, 16 + extui a9, a9, 16, 16 #endif /* __XTENSA_EB__ */ EX(s16i, a9, a11, 0, fixup_s) addi a11, a11, 1 # advance dst pointer @@ -174,7 +174,7 @@ __strncpy_user: retw .Lz2: # byte 2 is zero #ifdef __XTENSA_EB__ - extui a9, a9, 16, 16 + extui a9, a9, 16, 16 #endif /* __XTENSA_EB__ */ EX(s16i, a9, a11, 0, fixup_s) movi a9, 0 diff --git a/arch/xtensa/lib/strnlen_user.S b/arch/xtensa/lib/strnlen_user.S index 23f2a89816a1..4c03b1e581e9 100644 --- a/arch/xtensa/lib/strnlen_user.S +++ b/arch/xtensa/lib/strnlen_user.S @@ -145,4 +145,3 @@ __strnlen_user: lenfixup: movi a2, 0 retw - diff --git a/arch/xtensa/lib/usercopy.S b/arch/xtensa/lib/usercopy.S index 46d60314bb16..ace1892a875e 100644 --- a/arch/xtensa/lib/usercopy.S +++ b/arch/xtensa/lib/usercopy.S @@ -318,4 +318,3 @@ l_fixup: /* Ignore memset return value in a6. */ /* a2 still contains bytes not copied. */ retw - diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c index 85df4655d326..81edeab82d17 100644 --- a/arch/xtensa/mm/cache.c +++ b/arch/xtensa/mm/cache.c @@ -118,7 +118,7 @@ void flush_dcache_page(struct page *page) * For now, flush the whole cache. FIXME?? */ -void flush_cache_range(struct vm_area_struct* vma, +void flush_cache_range(struct vm_area_struct* vma, unsigned long start, unsigned long end) { __flush_invalidate_dcache_all(); @@ -133,7 +133,7 @@ void flush_cache_range(struct vm_area_struct* vma, */ void flush_cache_page(struct vm_area_struct* vma, unsigned long address, - unsigned long pfn) + unsigned long pfn) { /* Note that we have to use the 'alias' address to avoid multi-hit */ @@ -166,14 +166,14 @@ update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep) if (!PageReserved(page) && test_bit(PG_arch_1, &page->flags)) { - unsigned long vaddr = TLBTEMP_BASE_1 + (addr & DCACHE_ALIAS_MASK); unsigned long paddr = (unsigned long) page_address(page); unsigned long phys = page_to_phys(page); + unsigned long tmp = TLBTEMP_BASE_1 + (addr & DCACHE_ALIAS_MASK); __flush_invalidate_dcache_page(paddr); - __flush_invalidate_dcache_page_alias(vaddr, phys); - __invalidate_icache_page_alias(vaddr, phys); + __flush_invalidate_dcache_page_alias(tmp, phys); + __invalidate_icache_page_alias(tmp, phys); clear_bit(PG_arch_1, &page->flags); } @@ -195,7 +195,7 @@ update_mmu_cache(struct vm_area_struct * vma, unsigned long addr, pte_t *ptep) #if (DCACHE_WAY_SIZE > PAGE_SIZE) && XCHAL_DCACHE_IS_WRITEBACK -void copy_to_user_page(struct vm_area_struct *vma, struct page *page, +void copy_to_user_page(struct vm_area_struct *vma, struct page *page, unsigned long vaddr, void *dst, const void *src, unsigned long len) { @@ -205,8 +205,8 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page, /* Flush and invalidate user page if aliased. */ if (alias) { - unsigned long temp = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK); - __flush_invalidate_dcache_page_alias(temp, phys); + unsigned long t = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK); + __flush_invalidate_dcache_page_alias(t, phys); } /* Copy data */ @@ -219,12 +219,11 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page, */ if (alias) { - unsigned long temp = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK); + unsigned long t = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK); __flush_invalidate_dcache_range((unsigned long) dst, len); - if ((vma->vm_flags & VM_EXEC) != 0) { - __invalidate_icache_page_alias(temp, phys); - } + if ((vma->vm_flags & VM_EXEC) != 0) + __invalidate_icache_page_alias(t, phys); } else if ((vma->vm_flags & VM_EXEC) != 0) { __flush_dcache_range((unsigned long)dst,len); @@ -245,8 +244,8 @@ extern void copy_from_user_page(struct vm_area_struct *vma, struct page *page, */ if (alias) { - unsigned long temp = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK); - __flush_invalidate_dcache_page_alias(temp, phys); + unsigned long t = TLBTEMP_BASE_1 + (vaddr & DCACHE_ALIAS_MASK); + __flush_invalidate_dcache_page_alias(t, phys); } memcpy(dst, src, len); diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c index 245b08f7eaf4..4b7bc8db170f 100644 --- a/arch/xtensa/mm/fault.c +++ b/arch/xtensa/mm/fault.c @@ -254,4 +254,3 @@ bad_page_fault(struct pt_regs *regs, unsigned long address, int sig) die("Oops", regs, sig); do_exit(sig); } - diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index db955179da2d..7a5156ffebb6 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -75,15 +75,15 @@ int __init mem_reserve(unsigned long start, unsigned long end, int must_exist) sysmem.nr_banks++; } sysmem.bank[i].end = start; + + } else if (end < sysmem.bank[i].end) { + sysmem.bank[i].start = end; + } else { - if (end < sysmem.bank[i].end) - sysmem.bank[i].start = end; - else { - /* remove entry */ - sysmem.nr_banks--; - sysmem.bank[i].start = sysmem.bank[sysmem.nr_banks].start; - sysmem.bank[i].end = sysmem.bank[sysmem.nr_banks].end; - } + /* remove entry */ + sysmem.nr_banks--; + sysmem.bank[i].start = sysmem.bank[sysmem.nr_banks].start; + sysmem.bank[i].end = sysmem.bank[sysmem.nr_banks].end; } return -1; } diff --git a/arch/xtensa/mm/misc.S b/arch/xtensa/mm/misc.S index b048406d8756..d97ed1ba7b0a 100644 --- a/arch/xtensa/mm/misc.S +++ b/arch/xtensa/mm/misc.S @@ -29,6 +29,7 @@ */ ENTRY(clear_page) + entry a1, 16 movi a3, 0 @@ -45,6 +46,8 @@ ENTRY(clear_page) retw +ENDPROC(clear_page) + /* * copy_page and copy_user_page are the same for non-cache-aliased configs. * @@ -53,6 +56,7 @@ ENTRY(clear_page) */ ENTRY(copy_page) + entry a1, 16 __loopi a2, a4, PAGE_SIZE, 32 @@ -84,6 +88,8 @@ ENTRY(copy_page) retw +ENDPROC(copy_page) + #ifdef CONFIG_MMU /* * If we have to deal with cache aliasing, we use temporary memory mappings @@ -109,6 +115,7 @@ ENTRY(__tlbtemp_mapping_start) */ ENTRY(clear_user_page) + entry a1, 32 /* Mark page dirty and determine alias. */ @@ -164,6 +171,8 @@ ENTRY(clear_user_page) retw +ENDPROC(clear_user_page) + /* * copy_page_user (void *to, void *from, unsigned long vaddr, struct page *page) * a2 a3 a4 a5 @@ -171,7 +180,7 @@ ENTRY(clear_user_page) ENTRY(copy_user_page) - entry a1, 32 + entry a1, 32 /* Mark page dirty and determine alias for destination. */ @@ -262,6 +271,8 @@ ENTRY(copy_user_page) retw +ENDPROC(copy_user_page) + #endif #if (DCACHE_WAY_SIZE > PAGE_SIZE) @@ -272,6 +283,7 @@ ENTRY(copy_user_page) */ ENTRY(__flush_invalidate_dcache_page_alias) + entry sp, 16 movi a7, 0 # required for exception handler @@ -287,6 +299,7 @@ ENTRY(__flush_invalidate_dcache_page_alias) retw +ENDPROC(__flush_invalidate_dcache_page_alias) #endif ENTRY(__tlbtemp_mapping_itlb) @@ -294,6 +307,7 @@ ENTRY(__tlbtemp_mapping_itlb) #if (ICACHE_WAY_SIZE > PAGE_SIZE) ENTRY(__invalidate_icache_page_alias) + entry sp, 16 addi a6, a3, (PAGE_KERNEL_EXEC | _PAGE_HW_WRITE) @@ -307,11 +321,14 @@ ENTRY(__invalidate_icache_page_alias) isync retw +ENDPROC(__invalidate_icache_page_alias) + #endif /* End of special treatment in tlb miss exception */ ENTRY(__tlbtemp_mapping_end) + #endif /* CONFIG_MMU /* @@ -319,6 +336,7 @@ ENTRY(__tlbtemp_mapping_end) */ ENTRY(__invalidate_icache_page) + entry sp, 16 ___invalidate_icache_page a2 a3 @@ -326,11 +344,14 @@ ENTRY(__invalidate_icache_page) retw +ENDPROC(__invalidate_icache_page) + /* * void __invalidate_dcache_page(ulong start) */ ENTRY(__invalidate_dcache_page) + entry sp, 16 ___invalidate_dcache_page a2 a3 @@ -338,11 +359,14 @@ ENTRY(__invalidate_dcache_page) retw +ENDPROC(__invalidate_dcache_page) + /* * void __flush_invalidate_dcache_page(ulong start) */ ENTRY(__flush_invalidate_dcache_page) + entry sp, 16 ___flush_invalidate_dcache_page a2 a3 @@ -350,11 +374,14 @@ ENTRY(__flush_invalidate_dcache_page) dsync retw +ENDPROC(__flush_invalidate_dcache_page) + /* * void __flush_dcache_page(ulong start) */ ENTRY(__flush_dcache_page) + entry sp, 16 ___flush_dcache_page a2 a3 @@ -362,11 +389,14 @@ ENTRY(__flush_dcache_page) dsync retw +ENDPROC(__flush_dcache_page) + /* * void __invalidate_icache_range(ulong start, ulong size) */ ENTRY(__invalidate_icache_range) + entry sp, 16 ___invalidate_icache_range a2 a3 a4 @@ -374,11 +404,14 @@ ENTRY(__invalidate_icache_range) retw +ENDPROC(__invalidate_icache_range) + /* * void __flush_invalidate_dcache_range(ulong start, ulong size) */ ENTRY(__flush_invalidate_dcache_range) + entry sp, 16 ___flush_invalidate_dcache_range a2 a3 a4 @@ -386,11 +419,14 @@ ENTRY(__flush_invalidate_dcache_range) retw +ENDPROC(__flush_invalidate_dcache_range) + /* * void _flush_dcache_range(ulong start, ulong size) */ ENTRY(__flush_dcache_range) + entry sp, 16 ___flush_dcache_range a2 a3 a4 @@ -398,22 +434,28 @@ ENTRY(__flush_dcache_range) retw +ENDPROC(__flush_dcache_range) + /* * void _invalidate_dcache_range(ulong start, ulong size) */ ENTRY(__invalidate_dcache_range) + entry sp, 16 ___invalidate_dcache_range a2 a3 a4 retw +ENDPROC(__invalidate_dcache_range) + /* * void _invalidate_icache_all(void) */ ENTRY(__invalidate_icache_all) + entry sp, 16 ___invalidate_icache_all a2 a3 @@ -421,11 +463,14 @@ ENTRY(__invalidate_icache_all) retw +ENDPROC(__invalidate_icache_all) + /* * void _flush_invalidate_dcache_all(void) */ ENTRY(__flush_invalidate_dcache_all) + entry sp, 16 ___flush_invalidate_dcache_all a2 a3 @@ -433,11 +478,14 @@ ENTRY(__flush_invalidate_dcache_all) retw +ENDPROC(__flush_invalidate_dcache_all) + /* * void _invalidate_dcache_all(void) */ ENTRY(__invalidate_dcache_all) + entry sp, 16 ___invalidate_dcache_all a2 a3 @@ -445,3 +493,4 @@ ENTRY(__invalidate_dcache_all) retw +ENDPROC(__invalidate_dcache_all) diff --git a/arch/xtensa/mm/mmu.c b/arch/xtensa/mm/mmu.c index ca81654f3ec2..0f77f9d3bb8b 100644 --- a/arch/xtensa/mm/mmu.c +++ b/arch/xtensa/mm/mmu.c @@ -37,7 +37,7 @@ void __init init_mmu(void) /* Set rasid register to a known value. */ - set_rasid_register(ASID_USER_FIRST); + set_rasid_register(ASID_INSERT(ASID_USER_FIRST)); /* Set PTEVADDR special register to the start of the page * table, which is in kernel mappable space (ie. not diff --git a/arch/xtensa/mm/tlb.c b/arch/xtensa/mm/tlb.c index e2700b21395b..5411aa67c68e 100644 --- a/arch/xtensa/mm/tlb.c +++ b/arch/xtensa/mm/tlb.c @@ -63,7 +63,7 @@ void flush_tlb_all (void) void flush_tlb_mm(struct mm_struct *mm) { if (mm == current->active_mm) { - int flags; + unsigned long flags; local_save_flags(flags); __get_new_mmu_context(mm); __load_mmu_context(mm); @@ -82,7 +82,7 @@ void flush_tlb_mm(struct mm_struct *mm) #endif void flush_tlb_range (struct vm_area_struct *vma, - unsigned long start, unsigned long end) + unsigned long start, unsigned long end) { struct mm_struct *mm = vma->vm_mm; unsigned long flags; @@ -100,7 +100,7 @@ void flush_tlb_range (struct vm_area_struct *vma, int oldpid = get_rasid_register(); set_rasid_register (ASID_INSERT(mm->context)); start &= PAGE_MASK; - if (vma->vm_flags & VM_EXEC) + if (vma->vm_flags & VM_EXEC) while(start < end) { invalidate_itlb_mapping(start); invalidate_dtlb_mapping(start); @@ -130,7 +130,7 @@ void flush_tlb_page (struct vm_area_struct *vma, unsigned long page) local_save_flags(flags); - oldpid = get_rasid_register(); + oldpid = get_rasid_register(); if (vma->vm_flags & VM_EXEC) invalidate_itlb_mapping(page); @@ -140,4 +140,3 @@ void flush_tlb_page (struct vm_area_struct *vma, unsigned long page) local_irq_restore(flags); } - diff --git a/arch/xtensa/platforms/iss/include/platform/serial.h b/arch/xtensa/platforms/iss/include/platform/serial.h index e69de29bb2d1..16aec542d435 100644 --- a/arch/xtensa/platforms/iss/include/platform/serial.h +++ b/arch/xtensa/platforms/iss/include/platform/serial.h @@ -0,0 +1,15 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2012 Tensilica Inc. + */ + +#ifndef __ASM_XTENSA_ISS_SERIAL_H +#define __ASM_XTENSA_ISS_SERIAL_H + +/* Have no meaning on ISS, but needed for 8250_early.c */ +#define BASE_BAUD 0 + +#endif /* __ASM_XTENSA_ISS_SERIAL_H */ diff --git a/arch/xtensa/platforms/iss/include/platform/simcall.h b/arch/xtensa/platforms/iss/include/platform/simcall.h index bd78192e2fc9..b5a4edf02d76 100644 --- a/arch/xtensa/platforms/iss/include/platform/simcall.h +++ b/arch/xtensa/platforms/iss/include/platform/simcall.h @@ -74,13 +74,12 @@ static inline int __simc(int a, int b, int c, int d, int e, int f) "mov %1, a3\n" : "=a" (ret), "=a" (errno), "+r"(a1), "+r"(b1) : "r"(c1), "r"(d1), "r"(e1), "r"(f1) - : ); + : "memory"); return ret; } static inline int simc_open(const char *file, int flags, int mode) { - wmb(); return __simc(SYS_open, (int) file, flags, mode, 0, 0); } @@ -91,19 +90,16 @@ static inline int simc_close(int fd) static inline int simc_ioctl(int fd, int request, void *arg) { - wmb(); return __simc(SYS_ioctl, fd, request, (int) arg, 0, 0); } static inline int simc_read(int fd, void *buf, size_t count) { - rmb(); return __simc(SYS_read, fd, (int) buf, count, 0, 0); } static inline int simc_write(int fd, const void *buf, size_t count) { - wmb(); return __simc(SYS_write, fd, (int) buf, count, 0, 0); } @@ -111,7 +107,6 @@ static inline int simc_poll(int fd) { struct timeval tv = { .tv_sec = 0, .tv_usec = 0 }; - wmb(); return __simc(SYS_select_one, fd, XTISS_SELECT_ONE_READ, (int)&tv, 0, 0); } diff --git a/arch/xtensa/platforms/xtfpga/Makefile b/arch/xtensa/platforms/xtfpga/Makefile new file mode 100644 index 000000000000..b9ae206340cd --- /dev/null +++ b/arch/xtensa/platforms/xtfpga/Makefile @@ -0,0 +1,9 @@ +# Makefile for the Tensilica xtavnet Emulation Board +# +# Note! Dependencies are done automagically by 'make dep', which also +# removes any old dependencies. DON'T put your own dependencies here +# unless it's something special (ie not a .c file). +# +# Note 2! The CFLAGS definitions are in the main makefile... + +obj-y = setup.o lcd.o diff --git a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h new file mode 100644 index 000000000000..4416773cbde5 --- /dev/null +++ b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h @@ -0,0 +1,69 @@ +/* + * arch/xtensa/platform/xtavnet/include/platform/hardware.h + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2006 Tensilica Inc. + */ + +/* + * This file contains the hardware configuration of the XTAVNET boards. + */ + +#ifndef __XTENSA_XTAVNET_HARDWARE_H +#define __XTENSA_XTAVNET_HARDWARE_H + +/* By default NO_IRQ is defined to 0 in Linux, but we use the + interrupt 0 for UART... */ +#define NO_IRQ -1 + +/* Memory configuration. */ + +#define PLATFORM_DEFAULT_MEM_START 0x00000000 +#define PLATFORM_DEFAULT_MEM_SIZE 0x04000000 + +/* Interrupt configuration. */ + +#define PLATFORM_NR_IRQS 10 + +/* Default assignment of LX60 devices to external interrupts. */ + +#ifdef CONFIG_ARCH_HAS_SMP +#define DUART16552_INTNUM XCHAL_EXTINT3_NUM +#define OETH_IRQ XCHAL_EXTINT4_NUM +#else +#define DUART16552_INTNUM XCHAL_EXTINT0_NUM +#define OETH_IRQ XCHAL_EXTINT1_NUM +#endif + +/* + * Device addresses and parameters. + */ + +/* UART */ +#define DUART16552_PADDR (XCHAL_KIO_PADDR + 0x0D050020) +/* LCD instruction and data addresses. */ +#define LCD_INSTR_ADDR ((char *)IOADDR(0x0D040000)) +#define LCD_DATA_ADDR ((char *)IOADDR(0x0D040004)) + +/* Misc. */ +#define XTFPGA_FPGAREGS_VADDR IOADDR(0x0D020000) +/* Clock frequency in Hz (read-only): */ +#define XTFPGA_CLKFRQ_VADDR (XTFPGA_FPGAREGS_VADDR + 0x04) +/* Setting of 8 DIP switches: */ +#define DIP_SWITCHES_VADDR (XTFPGA_FPGAREGS_VADDR + 0x0C) +/* Software reset (write 0xdead): */ +#define XTFPGA_SWRST_VADDR (XTFPGA_FPGAREGS_VADDR + 0x10) + +/* OpenCores Ethernet controller: */ + /* regs + RX/TX descriptors */ +#define OETH_REGS_PADDR (XCHAL_KIO_PADDR + 0x0D030000) +#define OETH_REGS_SIZE 0x1000 +#define OETH_SRAMBUFF_PADDR (XCHAL_KIO_PADDR + 0x0D800000) + + /* 5*rx buffs + 5*tx buffs */ +#define OETH_SRAMBUFF_SIZE (5 * 0x600 + 5 * 0x600) + +#endif /* __XTENSA_XTAVNET_HARDWARE_H */ diff --git a/arch/xtensa/platforms/xtfpga/include/platform/lcd.h b/arch/xtensa/platforms/xtfpga/include/platform/lcd.h new file mode 100644 index 000000000000..0e435645af5a --- /dev/null +++ b/arch/xtensa/platforms/xtfpga/include/platform/lcd.h @@ -0,0 +1,20 @@ +/* + * arch/xtensa/platform/xtavnet/include/platform/lcd.h + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001, 2006 Tensilica Inc. + */ + +#ifndef __XTENSA_XTAVNET_LCD_H +#define __XTENSA_XTAVNET_LCD_H + +/* Display string STR at position POS on the LCD. */ +void lcd_disp_at_pos(char *str, unsigned char pos); + +/* Shift the contents of the LCD display left or right. */ +void lcd_shiftleft(void); +void lcd_shiftright(void); +#endif diff --git a/arch/xtensa/platforms/xtfpga/include/platform/serial.h b/arch/xtensa/platforms/xtfpga/include/platform/serial.h new file mode 100644 index 000000000000..14d8f7beebfd --- /dev/null +++ b/arch/xtensa/platforms/xtfpga/include/platform/serial.h @@ -0,0 +1,18 @@ +/* + * arch/xtensa/platform/xtavnet/include/platform/serial.h + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001, 2006 Tensilica Inc. + */ + +#ifndef __ASM_XTENSA_XTAVNET_SERIAL_H +#define __ASM_XTENSA_XTAVNET_SERIAL_H + +#include <platform/hardware.h> + +#define BASE_BAUD (*(long *)XTFPGA_CLKFRQ_VADDR / 16) + +#endif /* __ASM_XTENSA_XTAVNET_SERIAL_H */ diff --git a/arch/xtensa/platforms/xtfpga/lcd.c b/arch/xtensa/platforms/xtfpga/lcd.c new file mode 100644 index 000000000000..2872301598df --- /dev/null +++ b/arch/xtensa/platforms/xtfpga/lcd.c @@ -0,0 +1,76 @@ +/* + * Driver for the LCD display on the Tensilica LX60 Board. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001, 2006 Tensilica Inc. + */ + +/* + * + * FIXME: this code is from the examples from the LX60 user guide. + * + * The lcd_pause function does busy waiting, which is probably not + * great. Maybe the code could be changed to use kernel timers, or + * change the hardware to not need to wait. + */ + +#include <linux/init.h> +#include <linux/io.h> + +#include <platform/hardware.h> +#include <platform/lcd.h> +#include <linux/delay.h> + +#define LCD_PAUSE_ITERATIONS 4000 +#define LCD_CLEAR 0x1 +#define LCD_DISPLAY_ON 0xc + +/* 8bit and 2 lines display */ +#define LCD_DISPLAY_MODE8BIT 0x38 +#define LCD_DISPLAY_POS 0x80 +#define LCD_SHIFT_LEFT 0x18 +#define LCD_SHIFT_RIGHT 0x1c + +static int __init lcd_init(void) +{ + *LCD_INSTR_ADDR = LCD_DISPLAY_MODE8BIT; + mdelay(5); + *LCD_INSTR_ADDR = LCD_DISPLAY_MODE8BIT; + udelay(200); + *LCD_INSTR_ADDR = LCD_DISPLAY_MODE8BIT; + udelay(50); + *LCD_INSTR_ADDR = LCD_DISPLAY_ON; + udelay(50); + *LCD_INSTR_ADDR = LCD_CLEAR; + mdelay(10); + lcd_disp_at_pos("XTENSA LINUX", 0); + return 0; +} + +void lcd_disp_at_pos(char *str, unsigned char pos) +{ + *LCD_INSTR_ADDR = LCD_DISPLAY_POS | pos; + udelay(100); + while (*str != 0) { + *LCD_DATA_ADDR = *str; + udelay(200); + str++; + } +} + +void lcd_shiftleft(void) +{ + *LCD_INSTR_ADDR = LCD_SHIFT_LEFT; + udelay(50); +} + +void lcd_shiftright(void) +{ + *LCD_INSTR_ADDR = LCD_SHIFT_RIGHT; + udelay(50); +} + +arch_initcall(lcd_init); diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c new file mode 100644 index 000000000000..4b9951a4569d --- /dev/null +++ b/arch/xtensa/platforms/xtfpga/setup.c @@ -0,0 +1,301 @@ +/* + * + * arch/xtensa/platform/xtavnet/setup.c + * + * ... + * + * Authors: Chris Zankel <chris@zankel.net> + * Joe Taylor <joe@tensilica.com> + * + * Copyright 2001 - 2006 Tensilica Inc. + * + * 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; either version 2 of the License, or (at your + * option) any later version. + * + */ +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/reboot.h> +#include <linux/kdev_t.h> +#include <linux/types.h> +#include <linux/major.h> +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/of.h> + +#include <asm/timex.h> +#include <asm/processor.h> +#include <asm/platform.h> +#include <asm/bootparam.h> +#include <platform/lcd.h> +#include <platform/hardware.h> + +void platform_halt(void) +{ + lcd_disp_at_pos(" HALT ", 0); + local_irq_disable(); + while (1) + cpu_relax(); +} + +void platform_power_off(void) +{ + lcd_disp_at_pos("POWEROFF", 0); + local_irq_disable(); + while (1) + cpu_relax(); +} + +void platform_restart(void) +{ + /* Flush and reset the mmu, simulate a processor reset, and + * jump to the reset vector. */ + + + __asm__ __volatile__ ("movi a2, 15\n\t" + "wsr a2, icountlevel\n\t" + "movi a2, 0\n\t" + "wsr a2, icount\n\t" + "wsr a2, ibreakenable\n\t" + "wsr a2, lcount\n\t" + "movi a2, 0x1f\n\t" + "wsr a2, ps\n\t" + "isync\n\t" + "jx %0\n\t" + : + : "a" (XCHAL_RESET_VECTOR_VADDR) + : "a2" + ); + + /* control never gets here */ +} + +void __init platform_setup(char **cmdline) +{ +} + +#ifdef CONFIG_OF + +static void __init update_clock_frequency(struct device_node *node) +{ + struct property *newfreq; + u32 freq; + + if (!of_property_read_u32(node, "clock-frequency", &freq) && freq != 0) + return; + + newfreq = kzalloc(sizeof(*newfreq) + sizeof(u32), GFP_KERNEL); + if (!newfreq) + return; + newfreq->value = newfreq + 1; + newfreq->length = sizeof(freq); + newfreq->name = kstrdup("clock-frequency", GFP_KERNEL); + if (!newfreq->name) { + kfree(newfreq); + return; + } + + *(u32 *)newfreq->value = cpu_to_be32(*(u32 *)XTFPGA_CLKFRQ_VADDR); + prom_update_property(node, newfreq); +} + +#define MAC_LEN 6 +static void __init update_local_mac(struct device_node *node) +{ + struct property *newmac; + const u8* macaddr; + int prop_len; + + macaddr = of_get_property(node, "local-mac-address", &prop_len); + if (macaddr == NULL || prop_len != MAC_LEN) + return; + + newmac = kzalloc(sizeof(*newmac) + MAC_LEN, GFP_KERNEL); + if (newmac == NULL) + return; + + newmac->value = newmac + 1; + newmac->length = MAC_LEN; + newmac->name = kstrdup("local-mac-address", GFP_KERNEL); + if (newmac->name == NULL) { + kfree(newmac); + return; + } + + memcpy(newmac->value, macaddr, MAC_LEN); + ((u8*)newmac->value)[5] = (*(u32*)DIP_SWITCHES_VADDR) & 0x3f; + prom_update_property(node, newmac); +} + +static int __init machine_setup(void) +{ + struct device_node *serial; + struct device_node *eth = NULL; + + for_each_compatible_node(serial, NULL, "ns16550a") + update_clock_frequency(serial); + + if ((eth = of_find_compatible_node(eth, NULL, "opencores,ethoc"))) + update_local_mac(eth); + return 0; +} +arch_initcall(machine_setup); + +#endif + +/* early initialization */ + +void __init platform_init(bp_tag_t *first) +{ +} + +/* Heartbeat. */ + +void platform_heartbeat(void) +{ +} + +#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT + +void platform_calibrate_ccount(void) +{ + long clk_freq = 0; +#ifdef CONFIG_OF + struct device_node *cpu = + of_find_compatible_node(NULL, NULL, "xtensa,cpu"); + if (cpu) { + u32 freq; + update_clock_frequency(cpu); + if (!of_property_read_u32(cpu, "clock-frequency", &freq)) + clk_freq = freq; + } +#endif + if (!clk_freq) + clk_freq = *(long *)XTFPGA_CLKFRQ_VADDR; + + ccount_per_jiffy = clk_freq / HZ; + nsec_per_ccount = 1000000000UL / clk_freq; +} + +#endif + +#ifndef CONFIG_OF + +#include <linux/serial_8250.h> +#include <linux/if.h> +#include <net/ethoc.h> + +/*---------------------------------------------------------------------------- + * Ethernet -- OpenCores Ethernet MAC (ethoc driver) + */ + +static struct resource ethoc_res[] __initdata = { + [0] = { /* register space */ + .start = OETH_REGS_PADDR, + .end = OETH_REGS_PADDR + OETH_REGS_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { /* buffer space */ + .start = OETH_SRAMBUFF_PADDR, + .end = OETH_SRAMBUFF_PADDR + OETH_SRAMBUFF_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [2] = { /* IRQ number */ + .start = OETH_IRQ, + .end = OETH_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct ethoc_platform_data ethoc_pdata __initdata = { + /* + * The MAC address for these boards is 00:50:c2:13:6f:xx. + * The last byte (here as zero) is read from the DIP switches on the + * board. + */ + .hwaddr = { 0x00, 0x50, 0xc2, 0x13, 0x6f, 0 }, + .phy_id = -1, +}; + +static struct platform_device ethoc_device __initdata = { + .name = "ethoc", + .id = -1, + .num_resources = ARRAY_SIZE(ethoc_res), + .resource = ethoc_res, + .dev = { + .platform_data = ðoc_pdata, + }, +}; + +/*---------------------------------------------------------------------------- + * UART + */ + +static struct resource serial_resource __initdata = { + .start = DUART16552_PADDR, + .end = DUART16552_PADDR + 0x1f, + .flags = IORESOURCE_MEM, +}; + +static struct plat_serial8250_port serial_platform_data[] __initdata = { + [0] = { + .mapbase = DUART16552_PADDR, + .irq = DUART16552_INTNUM, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | + UPF_IOREMAP, + .iotype = UPIO_MEM32, + .regshift = 2, + .uartclk = 0, /* set in xtavnet_init() */ + }, + { }, +}; + +static struct platform_device xtavnet_uart __initdata = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = serial_platform_data, + }, + .num_resources = 1, + .resource = &serial_resource, +}; + +/* platform devices */ +static struct platform_device *platform_devices[] __initdata = { + ðoc_device, + &xtavnet_uart, +}; + + +static int __init xtavnet_init(void) +{ + /* Ethernet MAC address. */ + ethoc_pdata.hwaddr[5] = *(u32 *)DIP_SWITCHES_VADDR; + + /* Clock rate varies among FPGA bitstreams; board specific FPGA register + * reports the actual clock rate. + */ + serial_platform_data[0].uartclk = *(long *)XTFPGA_CLKFRQ_VADDR; + + + /* register platform devices */ + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); + + /* ETHOC driver is a bit quiet; at least display Ethernet MAC, so user + * knows whether they set it correctly on the DIP switches. + */ + pr_info("XTFPGA: Ethernet MAC %pM\n", ethoc_pdata.hwaddr); + + return 0; +} + +/* + * Register to be done during do_initcalls(). + */ +arch_initcall(xtavnet_init); + +#endif /* CONFIG_OF */ diff --git a/arch/xtensa/variants/s6000/gpio.c b/arch/xtensa/variants/s6000/gpio.c index b89541ba39ab..da9e85c13b08 100644 --- a/arch/xtensa/variants/s6000/gpio.c +++ b/arch/xtensa/variants/s6000/gpio.c @@ -164,7 +164,7 @@ static void demux_irqs(unsigned int irq, struct irq_desc *desc) int cirq; chip->irq_mask(&desc->irq_data); - chip->irq_ack(&desc->irq_data)); + chip->irq_ack(&desc->irq_data); pending = readb(S6_REG_GPIO + S6_GPIO_BANK(0) + S6_GPIO_MIS) & *mask; cirq = IRQ_BASE - 1; while (pending) { @@ -173,7 +173,7 @@ static void demux_irqs(unsigned int irq, struct irq_desc *desc) pending >>= n; generic_handle_irq(cirq); } - chip->irq_unmask(&desc->irq_data)); + chip->irq_unmask(&desc->irq_data); } extern const signed char *platform_irq_mappings[XTENSA_NR_IRQS]; diff --git a/drivers/amba/tegra-ahb.c b/drivers/amba/tegra-ahb.c index bd5de08ad6fd..0576a7dd32a5 100644 --- a/drivers/amba/tegra-ahb.c +++ b/drivers/amba/tegra-ahb.c @@ -157,6 +157,7 @@ int tegra_ahb_enable_smmu(struct device_node *dn) EXPORT_SYMBOL(tegra_ahb_enable_smmu); #endif +#ifdef CONFIG_PM_SLEEP static int tegra_ahb_suspend(struct device *dev) { int i; @@ -176,6 +177,7 @@ static int tegra_ahb_resume(struct device *dev) gizmo_writel(ahb, ahb->ctx[i], tegra_ahb_gizmo[i]); return 0; } +#endif static UNIVERSAL_DEV_PM_OPS(tegra_ahb_pm, tegra_ahb_suspend, diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c index c909b7b7d5f1..d70abe77f737 100644 --- a/drivers/atm/solos-pci.c +++ b/drivers/atm/solos-pci.c @@ -42,7 +42,8 @@ #include <linux/swab.h> #include <linux/slab.h> -#define VERSION "0.07" +#define VERSION "1.04" +#define DRIVER_VERSION 0x01 #define PTAG "solos-pci" #define CONFIG_RAM_SIZE 128 @@ -56,16 +57,21 @@ #define FLASH_BUSY 0x60 #define FPGA_MODE 0x5C #define FLASH_MODE 0x58 +#define GPIO_STATUS 0x54 +#define DRIVER_VER 0x50 #define TX_DMA_ADDR(port) (0x40 + (4 * (port))) #define RX_DMA_ADDR(port) (0x30 + (4 * (port))) #define DATA_RAM_SIZE 32768 #define BUF_SIZE 2048 #define OLD_BUF_SIZE 4096 /* For FPGA versions <= 2*/ -#define FPGA_PAGE 528 /* FPGA flash page size*/ -#define SOLOS_PAGE 512 /* Solos flash page size*/ -#define FPGA_BLOCK (FPGA_PAGE * 8) /* FPGA flash block size*/ -#define SOLOS_BLOCK (SOLOS_PAGE * 8) /* Solos flash block size*/ +/* Old boards use ATMEL AD45DB161D flash */ +#define ATMEL_FPGA_PAGE 528 /* FPGA flash page size*/ +#define ATMEL_SOLOS_PAGE 512 /* Solos flash page size*/ +#define ATMEL_FPGA_BLOCK (ATMEL_FPGA_PAGE * 8) /* FPGA block size*/ +#define ATMEL_SOLOS_BLOCK (ATMEL_SOLOS_PAGE * 8) /* Solos block size*/ +/* Current boards use M25P/M25PE SPI flash */ +#define SPI_FLASH_BLOCK (256 * 64) #define RX_BUF(card, nr) ((card->buffers) + (nr)*(card->buffer_size)*2) #define TX_BUF(card, nr) ((card->buffers) + (nr)*(card->buffer_size)*2 + (card->buffer_size)) @@ -122,11 +128,14 @@ struct solos_card { struct sk_buff_head cli_queue[4]; struct sk_buff *tx_skb[4]; struct sk_buff *rx_skb[4]; + unsigned char *dma_bounce; wait_queue_head_t param_wq; wait_queue_head_t fw_wq; int using_dma; + int dma_alignment; int fpga_version; int buffer_size; + int atmel_flash; }; @@ -451,7 +460,6 @@ static ssize_t console_show(struct device *dev, struct device_attribute *attr, len = skb->len; memcpy(buf, skb->data, len); - dev_dbg(&card->dev->dev, "len: %d\n", len); kfree_skb(skb); return len; @@ -498,6 +506,78 @@ static ssize_t console_store(struct device *dev, struct device_attribute *attr, return err?:count; } +struct geos_gpio_attr { + struct device_attribute attr; + int offset; +}; + +#define SOLOS_GPIO_ATTR(_name, _mode, _show, _store, _offset) \ + struct geos_gpio_attr gpio_attr_##_name = { \ + .attr = __ATTR(_name, _mode, _show, _store), \ + .offset = _offset } + +static ssize_t geos_gpio_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); + struct geos_gpio_attr *gattr = container_of(attr, struct geos_gpio_attr, attr); + struct solos_card *card = pci_get_drvdata(pdev); + uint32_t data32; + + if (count != 1 && (count != 2 || buf[1] != '\n')) + return -EINVAL; + + spin_lock_irq(&card->param_queue_lock); + data32 = ioread32(card->config_regs + GPIO_STATUS); + if (buf[0] == '1') { + data32 |= 1 << gattr->offset; + iowrite32(data32, card->config_regs + GPIO_STATUS); + } else if (buf[0] == '0') { + data32 &= ~(1 << gattr->offset); + iowrite32(data32, card->config_regs + GPIO_STATUS); + } else { + count = -EINVAL; + } + spin_lock_irq(&card->param_queue_lock); + return count; +} + +static ssize_t geos_gpio_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); + struct geos_gpio_attr *gattr = container_of(attr, struct geos_gpio_attr, attr); + struct solos_card *card = pci_get_drvdata(pdev); + uint32_t data32; + + data32 = ioread32(card->config_regs + GPIO_STATUS); + data32 = (data32 >> gattr->offset) & 1; + + return sprintf(buf, "%d\n", data32); +} + +static ssize_t hardware_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct pci_dev *pdev = container_of(dev, struct pci_dev, dev); + struct geos_gpio_attr *gattr = container_of(attr, struct geos_gpio_attr, attr); + struct solos_card *card = pci_get_drvdata(pdev); + uint32_t data32; + + data32 = ioread32(card->config_regs + GPIO_STATUS); + switch (gattr->offset) { + case 0: + /* HardwareVersion */ + data32 = data32 & 0x1F; + break; + case 1: + /* HardwareVariant */ + data32 = (data32 >> 5) & 0x0F; + break; + } + return sprintf(buf, "%d\n", data32); +} + static DEVICE_ATTR(console, 0644, console_show, console_store); @@ -506,6 +586,14 @@ static DEVICE_ATTR(console, 0644, console_show, console_store); #include "solos-attrlist.c" +static SOLOS_GPIO_ATTR(GPIO1, 0644, geos_gpio_show, geos_gpio_store, 9); +static SOLOS_GPIO_ATTR(GPIO2, 0644, geos_gpio_show, geos_gpio_store, 10); +static SOLOS_GPIO_ATTR(GPIO3, 0644, geos_gpio_show, geos_gpio_store, 11); +static SOLOS_GPIO_ATTR(GPIO4, 0644, geos_gpio_show, geos_gpio_store, 12); +static SOLOS_GPIO_ATTR(GPIO5, 0644, geos_gpio_show, geos_gpio_store, 13); +static SOLOS_GPIO_ATTR(PushButton, 0444, geos_gpio_show, NULL, 14); +static SOLOS_GPIO_ATTR(HardwareVersion, 0444, hardware_show, NULL, 0); +static SOLOS_GPIO_ATTR(HardwareVariant, 0444, hardware_show, NULL, 1); #undef SOLOS_ATTR_RO #undef SOLOS_ATTR_RW @@ -522,6 +610,23 @@ static struct attribute_group solos_attr_group = { .name = "parameters", }; +static struct attribute *gpio_attrs[] = { + &gpio_attr_GPIO1.attr.attr, + &gpio_attr_GPIO2.attr.attr, + &gpio_attr_GPIO3.attr.attr, + &gpio_attr_GPIO4.attr.attr, + &gpio_attr_GPIO5.attr.attr, + &gpio_attr_PushButton.attr.attr, + &gpio_attr_HardwareVersion.attr.attr, + &gpio_attr_HardwareVariant.attr.attr, + NULL +}; + +static struct attribute_group gpio_attr_group = { + .attrs = gpio_attrs, + .name = "gpio", +}; + static int flash_upgrade(struct solos_card *card, int chip) { const struct firmware *fw; @@ -533,16 +638,25 @@ static int flash_upgrade(struct solos_card *card, int chip) switch (chip) { case 0: fw_name = "solos-FPGA.bin"; - blocksize = FPGA_BLOCK; + if (card->atmel_flash) + blocksize = ATMEL_FPGA_BLOCK; + else + blocksize = SPI_FLASH_BLOCK; break; case 1: fw_name = "solos-Firmware.bin"; - blocksize = SOLOS_BLOCK; + if (card->atmel_flash) + blocksize = ATMEL_SOLOS_BLOCK; + else + blocksize = SPI_FLASH_BLOCK; break; case 2: if (card->fpga_version > LEGACY_BUFFERS){ fw_name = "solos-db-FPGA.bin"; - blocksize = FPGA_BLOCK; + if (card->atmel_flash) + blocksize = ATMEL_FPGA_BLOCK; + else + blocksize = SPI_FLASH_BLOCK; } else { dev_info(&card->dev->dev, "FPGA version doesn't support" " daughter board upgrades\n"); @@ -552,7 +666,10 @@ static int flash_upgrade(struct solos_card *card, int chip) case 3: if (card->fpga_version > LEGACY_BUFFERS){ fw_name = "solos-Firmware.bin"; - blocksize = SOLOS_BLOCK; + if (card->atmel_flash) + blocksize = ATMEL_SOLOS_BLOCK; + else + blocksize = SPI_FLASH_BLOCK; } else { dev_info(&card->dev->dev, "FPGA version doesn't support" " daughter board upgrades\n"); @@ -568,6 +685,9 @@ static int flash_upgrade(struct solos_card *card, int chip) dev_info(&card->dev->dev, "Flash upgrade starting\n"); + /* New FPGAs require driver version before permitting flash upgrades */ + iowrite32(DRIVER_VERSION, card->config_regs + DRIVER_VER); + numblocks = fw->size / blocksize; dev_info(&card->dev->dev, "Firmware size: %zd\n", fw->size); dev_info(&card->dev->dev, "Number of blocks: %d\n", numblocks); @@ -597,9 +717,13 @@ static int flash_upgrade(struct solos_card *card, int chip) /* dev_info(&card->dev->dev, "Set FPGA Flash mode to Block Write\n"); */ iowrite32(((chip * 2) + 1), card->config_regs + FLASH_MODE); - /* Copy block to buffer, swapping each 16 bits */ + /* Copy block to buffer, swapping each 16 bits for Atmel flash */ for(i = 0; i < blocksize; i += 4) { - uint32_t word = swahb32p((uint32_t *)(fw->data + offset + i)); + uint32_t word; + if (card->atmel_flash) + word = swahb32p((uint32_t *)(fw->data + offset + i)); + else + word = *(uint32_t *)(fw->data + offset + i); if(card->fpga_version > LEGACY_BUFFERS) iowrite32(word, FLASH_BUF + i); else @@ -961,7 +1085,12 @@ static uint32_t fpga_tx(struct solos_card *card) tx_started |= 1 << port; oldskb = skb; /* We're done with this skb already */ } else if (skb && card->using_dma) { - SKB_CB(skb)->dma_addr = pci_map_single(card->dev, skb->data, + unsigned char *data = skb->data; + if ((unsigned long)data & card->dma_alignment) { + data = card->dma_bounce + (BUF_SIZE * port); + memcpy(data, skb->data, skb->len); + } + SKB_CB(skb)->dma_addr = pci_map_single(card->dev, data, skb->len, PCI_DMA_TODEVICE); card->tx_skb[port] = skb; iowrite32(SKB_CB(skb)->dma_addr, @@ -1133,18 +1262,33 @@ static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id) db_fpga_upgrade = db_firmware_upgrade = 0; } + /* Stopped using Atmel flash after 0.03-38 */ + if (fpga_ver < 39) + card->atmel_flash = 1; + else + card->atmel_flash = 0; + + data32 = ioread32(card->config_regs + PORTS); + card->nr_ports = (data32 & 0x000000FF); + if (card->fpga_version >= DMA_SUPPORTED) { pci_set_master(dev); card->using_dma = 1; + if (1) { /* All known FPGA versions so far */ + card->dma_alignment = 3; + card->dma_bounce = kmalloc(card->nr_ports * BUF_SIZE, GFP_KERNEL); + if (!card->dma_bounce) { + dev_warn(&card->dev->dev, "Failed to allocate DMA bounce buffers\n"); + /* Fallback to MMIO doesn't work */ + goto out_unmap_both; + } + } } else { card->using_dma = 0; /* Set RX empty flag for all ports */ iowrite32(0xF0, card->config_regs + FLAGS_ADDR); } - data32 = ioread32(card->config_regs + PORTS); - card->nr_ports = (data32 & 0x000000FF); - pci_set_drvdata(dev, card); tasklet_init(&card->tlet, solos_bh, (unsigned long)card); @@ -1179,6 +1323,10 @@ static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id) if (err) goto out_free_irq; + if (card->fpga_version >= DMA_SUPPORTED && + sysfs_create_group(&card->dev->dev.kobj, &gpio_attr_group)) + dev_err(&card->dev->dev, "Could not register parameter group for GPIOs\n"); + return 0; out_free_irq: @@ -1187,6 +1335,7 @@ static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id) tasklet_kill(&card->tlet); out_unmap_both: + kfree(card->dma_bounce); pci_set_drvdata(dev, NULL); pci_iounmap(dev, card->buffers); out_unmap_config: @@ -1289,11 +1438,16 @@ static void fpga_remove(struct pci_dev *dev) iowrite32(1, card->config_regs + FPGA_MODE); (void)ioread32(card->config_regs + FPGA_MODE); + if (card->fpga_version >= DMA_SUPPORTED) + sysfs_remove_group(&card->dev->dev.kobj, &gpio_attr_group); + atm_remove(card); free_irq(dev->irq, card); tasklet_kill(&card->tlet); + kfree(card->dma_bounce); + /* Release device from reset */ iowrite32(0, card->config_regs + FPGA_MODE); (void)ioread32(card->config_regs + FPGA_MODE); diff --git a/drivers/base/dma-buf.c b/drivers/base/dma-buf.c index 460e22dee36d..a3f79c495a41 100644 --- a/drivers/base/dma-buf.c +++ b/drivers/base/dma-buf.c @@ -298,6 +298,8 @@ void dma_buf_unmap_attachment(struct dma_buf_attachment *attach, struct sg_table *sg_table, enum dma_data_direction direction) { + might_sleep(); + if (WARN_ON(!attach || !attach->dmabuf || !sg_table)) return; diff --git a/drivers/bcma/driver_chipcommon_pmu.c b/drivers/bcma/driver_chipcommon_pmu.c index e162999bf916..c62c788b3289 100644 --- a/drivers/bcma/driver_chipcommon_pmu.c +++ b/drivers/bcma/driver_chipcommon_pmu.c @@ -13,12 +13,13 @@ #include <linux/export.h> #include <linux/bcma/bcma.h> -static u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset) +u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset) { bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset); bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR); return bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA); } +EXPORT_SYMBOL_GPL(bcma_chipco_pll_read); void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset, u32 value) { diff --git a/drivers/char/random.c b/drivers/char/random.c index b86eae9b77df..85e81ec1451e 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -399,7 +399,6 @@ static DECLARE_WAIT_QUEUE_HEAD(random_read_wait); static DECLARE_WAIT_QUEUE_HEAD(random_write_wait); static struct fasync_struct *fasync; -#if 0 static bool debug; module_param(debug, bool, 0644); #define DEBUG_ENT(fmt, arg...) do { \ @@ -410,9 +409,6 @@ module_param(debug, bool, 0644); blocking_pool.entropy_count,\ nonblocking_pool.entropy_count,\ ## arg); } while (0) -#else -#define DEBUG_ENT(fmt, arg...) do {} while (0) -#endif /********************************************************************** * @@ -437,6 +433,7 @@ struct entropy_store { int entropy_count; int entropy_total; unsigned int initialized:1; + bool last_data_init; __u8 last_data[EXTRACT_SIZE]; }; @@ -829,7 +826,7 @@ static void xfer_secondary_pool(struct entropy_store *r, size_t nbytes) bytes = min_t(int, bytes, sizeof(tmp)); DEBUG_ENT("going to reseed %s with %d bits " - "(%d of %d requested)\n", + "(%zu of %d requested)\n", r->name, bytes * 8, nbytes * 8, r->entropy_count); bytes = extract_entropy(r->pull, tmp, bytes, @@ -860,7 +857,7 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min, spin_lock_irqsave(&r->lock, flags); BUG_ON(r->entropy_count > r->poolinfo->POOLBITS); - DEBUG_ENT("trying to extract %d bits from %s\n", + DEBUG_ENT("trying to extract %zu bits from %s\n", nbytes * 8, r->name); /* Can we pull enough? */ @@ -882,7 +879,7 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min, } } - DEBUG_ENT("debiting %d entropy credits from %s%s\n", + DEBUG_ENT("debiting %zu entropy credits from %s%s\n", nbytes * 8, r->name, r->limit ? "" : " (unlimited)"); spin_unlock_irqrestore(&r->lock, flags); @@ -957,6 +954,10 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf, ssize_t ret = 0, i; __u8 tmp[EXTRACT_SIZE]; + /* if last_data isn't primed, we need EXTRACT_SIZE extra bytes */ + if (fips_enabled && !r->last_data_init) + nbytes += EXTRACT_SIZE; + trace_extract_entropy(r->name, nbytes, r->entropy_count, _RET_IP_); xfer_secondary_pool(r, nbytes); nbytes = account(r, nbytes, min, reserved); @@ -967,6 +968,17 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf, if (fips_enabled) { unsigned long flags; + + /* prime last_data value if need be, per fips 140-2 */ + if (!r->last_data_init) { + spin_lock_irqsave(&r->lock, flags); + memcpy(r->last_data, tmp, EXTRACT_SIZE); + r->last_data_init = true; + nbytes -= EXTRACT_SIZE; + spin_unlock_irqrestore(&r->lock, flags); + extract_buf(r, tmp); + } + spin_lock_irqsave(&r->lock, flags); if (!memcmp(tmp, r->last_data, EXTRACT_SIZE)) panic("Hardware RNG duplicated output!\n"); @@ -1086,6 +1098,7 @@ static void init_std_data(struct entropy_store *r) r->entropy_count = 0; r->entropy_total = 0; + r->last_data_init = false; mix_pool_bytes(r, &now, sizeof(now), NULL); for (i = r->poolinfo->POOLBYTES; i > 0; i -= sizeof(rv)) { if (!arch_get_random_long(&rv)) @@ -1142,11 +1155,16 @@ random_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) if (n > SEC_XFER_SIZE) n = SEC_XFER_SIZE; - DEBUG_ENT("reading %d bits\n", n*8); + DEBUG_ENT("reading %zu bits\n", n*8); n = extract_entropy_user(&blocking_pool, buf, n); - DEBUG_ENT("read got %d bits (%d still needed)\n", + if (n < 0) { + retval = n; + break; + } + + DEBUG_ENT("read got %zd bits (%zd still needed)\n", n*8, (nbytes-n)*8); if (n == 0) { @@ -1171,10 +1189,6 @@ random_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) continue; } - if (n < 0) { - retval = n; - break; - } count += n; buf += n; nbytes -= n; diff --git a/drivers/clk/clk-nomadik.c b/drivers/clk/clk-nomadik.c index 517a8ff7121e..6b4c70f7d23d 100644 --- a/drivers/clk/clk-nomadik.c +++ b/drivers/clk/clk-nomadik.c @@ -20,6 +20,7 @@ void __init nomadik_clk_init(void) clk_register_clkdev(clk, NULL, "gpio.2"); clk_register_clkdev(clk, NULL, "gpio.3"); clk_register_clkdev(clk, NULL, "rng"); + clk_register_clkdev(clk, NULL, "fsmc-nand"); /* * The 2.4 MHz TIMCLK reference clock is active at boot time, this is diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 8ae1f5b19669..682de754d63f 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -172,6 +172,7 @@ config GPIO_MSM_V2 config GPIO_MVEBU def_bool y depends on PLAT_ORION + depends on OF select GPIO_GENERIC select GENERIC_IRQ_CHIP diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c index 6cc87ac8e019..6f2306db8591 100644 --- a/drivers/gpio/gpio-ich.c +++ b/drivers/gpio/gpio-ich.c @@ -390,6 +390,7 @@ static int ichx_gpio_probe(struct platform_device *pdev) return -ENODEV; } + spin_lock_init(&ichx_priv.lock); res_base = platform_get_resource(pdev, IORESOURCE_IO, ICH_RES_GPIO); ichx_priv.use_gpio = ich_info->use_gpio; err = ichx_gpio_request_regions(res_base, pdev->name, diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index d767b534c4af..7d9bd94be8d2 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -41,7 +41,6 @@ #include <linux/io.h> #include <linux/of_irq.h> #include <linux/of_device.h> -#include <linux/platform_device.h> #include <linux/pinctrl/consumer.h> /* @@ -469,19 +468,6 @@ static void mvebu_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) } } -static struct platform_device_id mvebu_gpio_ids[] = { - { - .name = "orion-gpio", - }, { - .name = "mv78200-gpio", - }, { - .name = "armadaxp-gpio", - }, { - /* sentinel */ - }, -}; -MODULE_DEVICE_TABLE(platform, mvebu_gpio_ids); - static struct of_device_id mvebu_gpio_of_match[] = { { .compatible = "marvell,orion-gpio", @@ -555,9 +541,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip->chip.base = id * MVEBU_MAX_GPIO_PER_BANK; mvchip->chip.ngpio = ngpios; mvchip->chip.can_sleep = 0; -#ifdef CONFIG_OF mvchip->chip.of_node = np; -#endif spin_lock_init(&mvchip->lock); mvchip->membase = devm_request_and_ioremap(&pdev->dev, res); @@ -698,7 +682,6 @@ static struct platform_driver mvebu_gpio_driver = { .of_match_table = mvebu_gpio_of_match, }, .probe = mvebu_gpio_probe, - .id_table = mvebu_gpio_ids, }; static int __init mvebu_gpio_init(void) diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index a9151337d5b9..33d20be87db5 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -579,7 +579,7 @@ static int ttm_bo_cleanup_refs_and_unlock(struct ttm_buffer_object *bo, * at this point the buffer should be dead, so * no new sync objects can be attached. */ - sync_obj = driver->sync_obj_ref(&bo->sync_obj); + sync_obj = driver->sync_obj_ref(bo->sync_obj); spin_unlock(&bdev->fence_lock); atomic_set(&bo->reserved, 0); diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c index 9f26400713f0..89cfd64b3373 100644 --- a/drivers/hwmon/hwmon-vid.c +++ b/drivers/hwmon/hwmon-vid.c @@ -115,6 +115,12 @@ int vid_from_reg(int val, u8 vrm) return (val < 32) ? 1550 - 25 * val : 775 - (25 * (val - 31)) / 2; + case 26: /* AMD family 10h to 15h, serial VID */ + val &= 0x7f; + if (val >= 0x7c) + return 0; + return DIV_ROUND_CLOSEST(15500 - 125 * val, 10); + case 91: /* VRM 9.1 */ case 90: /* VRM 9.0 */ val &= 0x1f; @@ -195,6 +201,10 @@ static struct vrm_model vrm_models[] = { {X86_VENDOR_AMD, 0xF, 0x40, 0x7F, ANY, 24}, /* NPT family 0Fh */ {X86_VENDOR_AMD, 0xF, 0x80, ANY, ANY, 25}, /* future fam. 0Fh */ {X86_VENDOR_AMD, 0x10, 0x0, ANY, ANY, 25}, /* NPT family 10h */ + {X86_VENDOR_AMD, 0x11, 0x0, ANY, ANY, 26}, /* family 11h */ + {X86_VENDOR_AMD, 0x12, 0x0, ANY, ANY, 26}, /* family 12h */ + {X86_VENDOR_AMD, 0x14, 0x0, ANY, ANY, 26}, /* family 14h */ + {X86_VENDOR_AMD, 0x15, 0x0, ANY, ANY, 26}, /* family 15h */ {X86_VENDOR_INTEL, 0x6, 0x0, 0x6, ANY, 82}, /* Pentium Pro, * Pentium II, Xeon, diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index c3c471ca202f..646314f7c839 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -84,19 +84,21 @@ static void __init hwmon_pci_quirks(void) /* Open access to 0x295-0x296 on MSI MS-7031 */ sb = pci_get_device(PCI_VENDOR_ID_ATI, 0x436c, NULL); - if (sb && - (sb->subsystem_vendor == 0x1462 && /* MSI */ - sb->subsystem_device == 0x0031)) { /* MS-7031 */ - - pci_read_config_byte(sb, 0x48, &enable); - pci_read_config_word(sb, 0x64, &base); - - if (base == 0 && !(enable & BIT(2))) { - dev_info(&sb->dev, - "Opening wide generic port at 0x295\n"); - pci_write_config_word(sb, 0x64, 0x295); - pci_write_config_byte(sb, 0x48, enable | BIT(2)); + if (sb) { + if (sb->subsystem_vendor == 0x1462 && /* MSI */ + sb->subsystem_device == 0x0031) { /* MS-7031 */ + pci_read_config_byte(sb, 0x48, &enable); + pci_read_config_word(sb, 0x64, &base); + + if (base == 0 && !(enable & BIT(2))) { + dev_info(&sb->dev, + "Opening wide generic port at 0x295\n"); + pci_write_config_word(sb, 0x64, 0x295); + pci_write_config_byte(sb, 0x48, + enable | BIT(2)); + } } + pci_dev_put(sb); } #endif } diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index d32aa354cbdf..117d66fcded6 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -203,6 +203,8 @@ static const u8 IT87_REG_FAN[] = { 0x0d, 0x0e, 0x0f, 0x80, 0x82 }; static const u8 IT87_REG_FAN_MIN[] = { 0x10, 0x11, 0x12, 0x84, 0x86 }; static const u8 IT87_REG_FANX[] = { 0x18, 0x19, 0x1a, 0x81, 0x83 }; static const u8 IT87_REG_FANX_MIN[] = { 0x1b, 0x1c, 0x1d, 0x85, 0x87 }; +static const u8 IT87_REG_TEMP_OFFSET[] = { 0x56, 0x57, 0x59 }; + #define IT87_REG_FAN_MAIN_CTRL 0x13 #define IT87_REG_FAN_CTL 0x14 #define IT87_REG_PWM(nr) (0x15 + (nr)) @@ -226,6 +228,83 @@ static const u8 IT87_REG_FANX_MIN[] = { 0x1b, 0x1c, 0x1d, 0x85, 0x87 }; #define IT87_REG_AUTO_TEMP(nr, i) (0x60 + (nr) * 8 + (i)) #define IT87_REG_AUTO_PWM(nr, i) (0x65 + (nr) * 8 + (i)) +struct it87_devices { + const char *name; + u16 features; + u8 peci_mask; + u8 old_peci_mask; +}; + +#define FEAT_12MV_ADC (1 << 0) +#define FEAT_NEWER_AUTOPWM (1 << 1) +#define FEAT_OLD_AUTOPWM (1 << 2) +#define FEAT_16BIT_FANS (1 << 3) +#define FEAT_TEMP_OFFSET (1 << 4) +#define FEAT_TEMP_PECI (1 << 5) +#define FEAT_TEMP_OLD_PECI (1 << 6) + +static const struct it87_devices it87_devices[] = { + [it87] = { + .name = "it87", + .features = FEAT_OLD_AUTOPWM, /* may need to overwrite */ + }, + [it8712] = { + .name = "it8712", + .features = FEAT_OLD_AUTOPWM, /* may need to overwrite */ + }, + [it8716] = { + .name = "it8716", + .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET, + }, + [it8718] = { + .name = "it8718", + .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET + | FEAT_TEMP_OLD_PECI, + .old_peci_mask = 0x4, + }, + [it8720] = { + .name = "it8720", + .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET + | FEAT_TEMP_OLD_PECI, + .old_peci_mask = 0x4, + }, + [it8721] = { + .name = "it8721", + .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS + | FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI, + .peci_mask = 0x05, + .old_peci_mask = 0x02, /* Actually reports PCH */ + }, + [it8728] = { + .name = "it8728", + .features = FEAT_NEWER_AUTOPWM | FEAT_12MV_ADC | FEAT_16BIT_FANS + | FEAT_TEMP_OFFSET | FEAT_TEMP_PECI, + .peci_mask = 0x07, + }, + [it8782] = { + .name = "it8782", + .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET + | FEAT_TEMP_OLD_PECI, + .old_peci_mask = 0x4, + }, + [it8783] = { + .name = "it8783", + .features = FEAT_16BIT_FANS | FEAT_TEMP_OFFSET + | FEAT_TEMP_OLD_PECI, + .old_peci_mask = 0x4, + }, +}; + +#define has_16bit_fans(data) ((data)->features & FEAT_16BIT_FANS) +#define has_12mv_adc(data) ((data)->features & FEAT_12MV_ADC) +#define has_newer_autopwm(data) ((data)->features & FEAT_NEWER_AUTOPWM) +#define has_old_autopwm(data) ((data)->features & FEAT_OLD_AUTOPWM) +#define has_temp_offset(data) ((data)->features & FEAT_TEMP_OFFSET) +#define has_temp_peci(data, nr) (((data)->features & FEAT_TEMP_PECI) && \ + ((data)->peci_mask & (1 << nr))) +#define has_temp_old_peci(data, nr) \ + (((data)->features & FEAT_TEMP_OLD_PECI) && \ + ((data)->old_peci_mask & (1 << nr))) struct it87_sio_data { enum chips type; @@ -249,7 +328,9 @@ struct it87_sio_data { struct it87_data { struct device *hwmon_dev; enum chips type; - u8 revision; + u16 features; + u8 peci_mask; + u8 old_peci_mask; unsigned short addr; const char *name; @@ -258,17 +339,13 @@ struct it87_data { unsigned long last_updated; /* In jiffies */ u16 in_scaled; /* Internal voltage sensors are scaled */ - u8 in[9]; /* Register value */ - u8 in_max[8]; /* Register value */ - u8 in_min[8]; /* Register value */ + u8 in[9][3]; /* [nr][0]=in, [1]=min, [2]=max */ u8 has_fan; /* Bitfield, fans enabled */ - u16 fan[5]; /* Register values, possibly combined */ - u16 fan_min[5]; /* Register values, possibly combined */ + u16 fan[5][2]; /* Register values, [nr][0]=fan, [1]=min */ u8 has_temp; /* Bitfield, temp sensors enabled */ - s8 temp[3]; /* Register value */ - s8 temp_high[3]; /* Register value */ - s8 temp_low[3]; /* Register value */ - u8 sensor; /* Register value */ + s8 temp[3][4]; /* [nr][0]=temp, [1]=min, [2]=max, [3]=offset */ + u8 sensor; /* Register value (IT87_REG_TEMP_ENABLE) */ + u8 extra; /* Register value (IT87_REG_TEMP_EXTRA) */ u8 fan_div[3]; /* Register encoding, shifted right */ u8 vid; /* Register encoding, combined */ u8 vrm; @@ -296,26 +373,6 @@ struct it87_data { s8 auto_temp[3][5]; /* [nr][0] is point1_temp_hyst */ }; -static inline int has_12mv_adc(const struct it87_data *data) -{ - /* - * IT8721F and later have a 12 mV ADC, also with internal scaling - * on selected inputs. - */ - return data->type == it8721 - || data->type == it8728; -} - -static inline int has_newer_autopwm(const struct it87_data *data) -{ - /* - * IT8721F and later have separate registers for the temperature - * mapping and the manual duty cycle. - */ - return data->type == it8721 - || data->type == it8728; -} - static int adc_lsb(const struct it87_data *data, int nr) { int lsb = has_12mv_adc(data) ? 12 : 16; @@ -398,35 +455,6 @@ static const unsigned int pwm_freq[8] = { 750000 / 128, }; -static inline int has_16bit_fans(const struct it87_data *data) -{ - /* - * IT8705F Datasheet 0.4.1, 3h == Version G. - * IT8712F Datasheet 0.9.1, section 8.3.5 indicates 8h == Version J. - * These are the first revisions with 16-bit tachometer support. - */ - return (data->type == it87 && data->revision >= 0x03) - || (data->type == it8712 && data->revision >= 0x08) - || data->type == it8716 - || data->type == it8718 - || data->type == it8720 - || data->type == it8721 - || data->type == it8728 - || data->type == it8782 - || data->type == it8783; -} - -static inline int has_old_autopwm(const struct it87_data *data) -{ - /* - * The old automatic fan speed control interface is implemented - * by IT8705F chips up to revision F and IT8712F chips up to - * revision G. - */ - return (data->type == it87 && data->revision < 0x03) - || (data->type == it8712 && data->revision < 0x08); -} - static int it87_probe(struct platform_device *pdev); static int it87_remove(struct platform_device *pdev); @@ -447,59 +475,22 @@ static struct platform_driver it87_driver = { }; static ssize_t show_in(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; - - struct it87_data *data = it87_update_device(dev); - return sprintf(buf, "%d\n", in_from_reg(data, nr, data->in[nr])); -} - -static ssize_t show_in_min(struct device *dev, struct device_attribute *attr, - char *buf) + char *buf) { - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int nr = sattr->nr; + int index = sattr->index; struct it87_data *data = it87_update_device(dev); - return sprintf(buf, "%d\n", in_from_reg(data, nr, data->in_min[nr])); + return sprintf(buf, "%d\n", in_from_reg(data, nr, data->in[nr][index])); } -static ssize_t show_in_max(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; - - struct it87_data *data = it87_update_device(dev); - return sprintf(buf, "%d\n", in_from_reg(data, nr, data->in_max[nr])); -} - -static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; - - struct it87_data *data = dev_get_drvdata(dev); - unsigned long val; - - if (kstrtoul(buf, 10, &val) < 0) - return -EINVAL; - - mutex_lock(&data->update_lock); - data->in_min[nr] = in_to_reg(data, nr, val); - it87_write_value(data, IT87_REG_VIN_MIN(nr), - data->in_min[nr]); - mutex_unlock(&data->update_lock); - return count; -} -static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t set_in(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int nr = sattr->nr; + int index = sattr->index; struct it87_data *data = dev_get_drvdata(dev); unsigned long val; @@ -508,140 +499,167 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, return -EINVAL; mutex_lock(&data->update_lock); - data->in_max[nr] = in_to_reg(data, nr, val); - it87_write_value(data, IT87_REG_VIN_MAX(nr), - data->in_max[nr]); + data->in[nr][index] = in_to_reg(data, nr, val); + it87_write_value(data, + index == 1 ? IT87_REG_VIN_MIN(nr) + : IT87_REG_VIN_MAX(nr), + data->in[nr][index]); mutex_unlock(&data->update_lock); return count; } -#define show_in_offset(offset) \ -static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ - show_in, NULL, offset); - -#define limit_in_offset(offset) \ -static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ - show_in_min, set_in_min, offset); \ -static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ - show_in_max, set_in_max, offset); - -show_in_offset(0); -limit_in_offset(0); -show_in_offset(1); -limit_in_offset(1); -show_in_offset(2); -limit_in_offset(2); -show_in_offset(3); -limit_in_offset(3); -show_in_offset(4); -limit_in_offset(4); -show_in_offset(5); -limit_in_offset(5); -show_in_offset(6); -limit_in_offset(6); -show_in_offset(7); -limit_in_offset(7); -show_in_offset(8); +static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0); +static SENSOR_DEVICE_ATTR_2(in0_min, S_IRUGO | S_IWUSR, show_in, set_in, + 0, 1); +static SENSOR_DEVICE_ATTR_2(in0_max, S_IRUGO | S_IWUSR, show_in, set_in, + 0, 2); + +static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 1, 0); +static SENSOR_DEVICE_ATTR_2(in1_min, S_IRUGO | S_IWUSR, show_in, set_in, + 1, 1); +static SENSOR_DEVICE_ATTR_2(in1_max, S_IRUGO | S_IWUSR, show_in, set_in, + 1, 2); + +static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 2, 0); +static SENSOR_DEVICE_ATTR_2(in2_min, S_IRUGO | S_IWUSR, show_in, set_in, + 2, 1); +static SENSOR_DEVICE_ATTR_2(in2_max, S_IRUGO | S_IWUSR, show_in, set_in, + 2, 2); + +static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 3, 0); +static SENSOR_DEVICE_ATTR_2(in3_min, S_IRUGO | S_IWUSR, show_in, set_in, + 3, 1); +static SENSOR_DEVICE_ATTR_2(in3_max, S_IRUGO | S_IWUSR, show_in, set_in, + 3, 2); + +static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 4, 0); +static SENSOR_DEVICE_ATTR_2(in4_min, S_IRUGO | S_IWUSR, show_in, set_in, + 4, 1); +static SENSOR_DEVICE_ATTR_2(in4_max, S_IRUGO | S_IWUSR, show_in, set_in, + 4, 2); + +static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 5, 0); +static SENSOR_DEVICE_ATTR_2(in5_min, S_IRUGO | S_IWUSR, show_in, set_in, + 5, 1); +static SENSOR_DEVICE_ATTR_2(in5_max, S_IRUGO | S_IWUSR, show_in, set_in, + 5, 2); + +static SENSOR_DEVICE_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 6, 0); +static SENSOR_DEVICE_ATTR_2(in6_min, S_IRUGO | S_IWUSR, show_in, set_in, + 6, 1); +static SENSOR_DEVICE_ATTR_2(in6_max, S_IRUGO | S_IWUSR, show_in, set_in, + 6, 2); + +static SENSOR_DEVICE_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 7, 0); +static SENSOR_DEVICE_ATTR_2(in7_min, S_IRUGO | S_IWUSR, show_in, set_in, + 7, 1); +static SENSOR_DEVICE_ATTR_2(in7_max, S_IRUGO | S_IWUSR, show_in, set_in, + 7, 2); + +static SENSOR_DEVICE_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 8, 0); /* 3 temperatures */ static ssize_t show_temp(struct device *dev, struct device_attribute *attr, - char *buf) + char *buf) { - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; - + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int nr = sattr->nr; + int index = sattr->index; struct it87_data *data = it87_update_device(dev); - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr])); -} -static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; - struct it87_data *data = it87_update_device(dev); - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[nr])); + return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr][index])); } -static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; - struct it87_data *data = it87_update_device(dev); - return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_low[nr])); -} -static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t set_temp(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; - + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int nr = sattr->nr; + int index = sattr->index; struct it87_data *data = dev_get_drvdata(dev); long val; + u8 reg, regval; if (kstrtol(buf, 10, &val) < 0) return -EINVAL; mutex_lock(&data->update_lock); - data->temp_high[nr] = TEMP_TO_REG(val); - it87_write_value(data, IT87_REG_TEMP_HIGH(nr), data->temp_high[nr]); - mutex_unlock(&data->update_lock); - return count; -} -static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; - struct it87_data *data = dev_get_drvdata(dev); - long val; - - if (kstrtol(buf, 10, &val) < 0) - return -EINVAL; + switch (index) { + default: + case 1: + reg = IT87_REG_TEMP_LOW(nr); + break; + case 2: + reg = IT87_REG_TEMP_HIGH(nr); + break; + case 3: + regval = it87_read_value(data, IT87_REG_BEEP_ENABLE); + if (!(regval & 0x80)) { + regval |= 0x80; + it87_write_value(data, IT87_REG_BEEP_ENABLE, regval); + } + data->valid = 0; + reg = IT87_REG_TEMP_OFFSET[nr]; + break; + } - mutex_lock(&data->update_lock); - data->temp_low[nr] = TEMP_TO_REG(val); - it87_write_value(data, IT87_REG_TEMP_LOW(nr), data->temp_low[nr]); + data->temp[nr][index] = TEMP_TO_REG(val); + it87_write_value(data, reg, data->temp[nr][index]); mutex_unlock(&data->update_lock); return count; } -#define show_temp_offset(offset) \ -static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ - show_temp, NULL, offset - 1); \ -static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ - show_temp_max, set_temp_max, offset - 1); \ -static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ - show_temp_min, set_temp_min, offset - 1); - -show_temp_offset(1); -show_temp_offset(2); -show_temp_offset(3); - -static ssize_t show_sensor(struct device *dev, struct device_attribute *attr, - char *buf) + +static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0); +static SENSOR_DEVICE_ATTR_2(temp1_min, S_IRUGO | S_IWUSR, show_temp, set_temp, + 0, 1); +static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp, set_temp, + 0, 2); +static SENSOR_DEVICE_ATTR_2(temp1_offset, S_IRUGO | S_IWUSR, show_temp, + set_temp, 0, 3); +static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 1, 0); +static SENSOR_DEVICE_ATTR_2(temp2_min, S_IRUGO | S_IWUSR, show_temp, set_temp, + 1, 1); +static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp, set_temp, + 1, 2); +static SENSOR_DEVICE_ATTR_2(temp2_offset, S_IRUGO | S_IWUSR, show_temp, + set_temp, 1, 3); +static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 2, 0); +static SENSOR_DEVICE_ATTR_2(temp3_min, S_IRUGO | S_IWUSR, show_temp, set_temp, + 2, 1); +static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp, set_temp, + 2, 2); +static SENSOR_DEVICE_ATTR_2(temp3_offset, S_IRUGO | S_IWUSR, show_temp, + set_temp, 2, 3); + +static ssize_t show_temp_type(struct device *dev, struct device_attribute *attr, + char *buf) { struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); int nr = sensor_attr->index; struct it87_data *data = it87_update_device(dev); u8 reg = data->sensor; /* In case value is updated while used */ + u8 extra = data->extra; + if ((has_temp_peci(data, nr) && (reg >> 6 == nr + 1)) + || (has_temp_old_peci(data, nr) && (extra & 0x80))) + return sprintf(buf, "6\n"); /* Intel PECI */ if (reg & (1 << nr)) return sprintf(buf, "3\n"); /* thermal diode */ if (reg & (8 << nr)) return sprintf(buf, "4\n"); /* thermistor */ return sprintf(buf, "0\n"); /* disabled */ } -static ssize_t set_sensor(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) + +static ssize_t set_temp_type(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); int nr = sensor_attr->index; struct it87_data *data = dev_get_drvdata(dev); long val; - u8 reg; + u8 reg, extra; if (kstrtol(buf, 10, &val) < 0) return -EINVAL; @@ -649,33 +667,45 @@ static ssize_t set_sensor(struct device *dev, struct device_attribute *attr, reg = it87_read_value(data, IT87_REG_TEMP_ENABLE); reg &= ~(1 << nr); reg &= ~(8 << nr); + if (has_temp_peci(data, nr) && (reg >> 6 == nr + 1 || val == 6)) + reg &= 0x3f; + extra = it87_read_value(data, IT87_REG_TEMP_EXTRA); + if (has_temp_old_peci(data, nr) && ((extra & 0x80) || val == 6)) + extra &= 0x7f; if (val == 2) { /* backwards compatibility */ - dev_warn(dev, "Sensor type 2 is deprecated, please use 4 " - "instead\n"); + dev_warn(dev, + "Sensor type 2 is deprecated, please use 4 instead\n"); val = 4; } - /* 3 = thermal diode; 4 = thermistor; 0 = disabled */ + /* 3 = thermal diode; 4 = thermistor; 6 = Intel PECI; 0 = disabled */ if (val == 3) reg |= 1 << nr; else if (val == 4) reg |= 8 << nr; + else if (has_temp_peci(data, nr) && val == 6) + reg |= (nr + 1) << 6; + else if (has_temp_old_peci(data, nr) && val == 6) + extra |= 0x80; else if (val != 0) return -EINVAL; mutex_lock(&data->update_lock); data->sensor = reg; + data->extra = extra; it87_write_value(data, IT87_REG_TEMP_ENABLE, data->sensor); + if (has_temp_old_peci(data, nr)) + it87_write_value(data, IT87_REG_TEMP_EXTRA, data->extra); data->valid = 0; /* Force cache refresh */ mutex_unlock(&data->update_lock); return count; } -#define show_sensor_offset(offset) \ -static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ - show_sensor, set_sensor, offset - 1); -show_sensor_offset(1); -show_sensor_offset(2); -show_sensor_offset(3); +static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO | S_IWUSR, show_temp_type, + set_temp_type, 0); +static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO | S_IWUSR, show_temp_type, + set_temp_type, 1); +static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR, show_temp_type, + set_temp_type, 2); /* 3 Fans */ @@ -692,25 +722,21 @@ static int pwm_mode(const struct it87_data *data, int nr) } static ssize_t show_fan(struct device *dev, struct device_attribute *attr, - char *buf) + char *buf) { - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; - + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int nr = sattr->nr; + int index = sattr->index; + int speed; struct it87_data *data = it87_update_device(dev); - return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr], - DIV_FROM_REG(data->fan_div[nr]))); -} -static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; - struct it87_data *data = it87_update_device(dev); - return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr], - DIV_FROM_REG(data->fan_div[nr]))); + speed = has_16bit_fans(data) ? + FAN16_FROM_REG(data->fan[nr][index]) : + FAN_FROM_REG(data->fan[nr][index], + DIV_FROM_REG(data->fan_div[nr])); + return sprintf(buf, "%d\n", speed); } + static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, char *buf) { @@ -747,11 +773,13 @@ static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr, return sprintf(buf, "%u\n", pwm_freq[index]); } -static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) + +static ssize_t set_fan(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; + struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); + int nr = sattr->nr; + int index = sattr->index; struct it87_data *data = dev_get_drvdata(dev); long val; @@ -761,24 +789,36 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, return -EINVAL; mutex_lock(&data->update_lock); - reg = it87_read_value(data, IT87_REG_FAN_DIV); - switch (nr) { - case 0: - data->fan_div[nr] = reg & 0x07; - break; - case 1: - data->fan_div[nr] = (reg >> 3) & 0x07; - break; - case 2: - data->fan_div[nr] = (reg & 0x40) ? 3 : 1; - break; + + if (has_16bit_fans(data)) { + data->fan[nr][index] = FAN16_TO_REG(val); + it87_write_value(data, IT87_REG_FAN_MIN[nr], + data->fan[nr][index] & 0xff); + it87_write_value(data, IT87_REG_FANX_MIN[nr], + data->fan[nr][index] >> 8); + } else { + reg = it87_read_value(data, IT87_REG_FAN_DIV); + switch (nr) { + case 0: + data->fan_div[nr] = reg & 0x07; + break; + case 1: + data->fan_div[nr] = (reg >> 3) & 0x07; + break; + case 2: + data->fan_div[nr] = (reg & 0x40) ? 3 : 1; + break; + } + data->fan[nr][index] = + FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); + it87_write_value(data, IT87_REG_FAN_MIN[nr], + data->fan[nr][index]); } - data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); - it87_write_value(data, IT87_REG_FAN_MIN[nr], data->fan_min[nr]); mutex_unlock(&data->update_lock); return count; } + static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { @@ -797,7 +837,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, old = it87_read_value(data, IT87_REG_FAN_DIV); /* Save fan min limit */ - min = FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])); + min = FAN_FROM_REG(data->fan[nr][1], DIV_FROM_REG(data->fan_div[nr])); switch (nr) { case 0: @@ -818,8 +858,8 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, it87_write_value(data, IT87_REG_FAN_DIV, val); /* Restore fan min limit */ - data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); - it87_write_value(data, IT87_REG_FAN_MIN[nr], data->fan_min[nr]); + data->fan[nr][1] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); + it87_write_value(data, IT87_REG_FAN_MIN[nr], data->fan[nr][1]); mutex_unlock(&data->update_lock); return count; @@ -843,8 +883,8 @@ static int check_trip_points(struct device *dev, int nr) } if (err) { - dev_err(dev, "Inconsistent trip points, not switching to " - "automatic mode\n"); + dev_err(dev, + "Inconsistent trip points, not switching to automatic mode\n"); dev_err(dev, "Adjust the trip points and try again\n"); } return err; @@ -1092,118 +1132,106 @@ static ssize_t set_auto_temp(struct device *dev, return count; } -#define show_fan_offset(offset) \ -static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ - show_fan, NULL, offset - 1); \ -static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ - show_fan_min, set_fan_min, offset - 1); \ -static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ - show_fan_div, set_fan_div, offset - 1); - -show_fan_offset(1); -show_fan_offset(2); -show_fan_offset(3); - -#define show_pwm_offset(offset) \ -static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \ - show_pwm_enable, set_pwm_enable, offset - 1); \ -static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ - show_pwm, set_pwm, offset - 1); \ -static DEVICE_ATTR(pwm##offset##_freq, \ - (offset == 1 ? S_IRUGO | S_IWUSR : S_IRUGO), \ - show_pwm_freq, (offset == 1 ? set_pwm_freq : NULL)); \ -static SENSOR_DEVICE_ATTR(pwm##offset##_auto_channels_temp, \ - S_IRUGO | S_IWUSR, show_pwm_temp_map, set_pwm_temp_map, \ - offset - 1); \ -static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point1_pwm, \ - S_IRUGO | S_IWUSR, show_auto_pwm, set_auto_pwm, \ - offset - 1, 0); \ -static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point2_pwm, \ - S_IRUGO | S_IWUSR, show_auto_pwm, set_auto_pwm, \ - offset - 1, 1); \ -static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point3_pwm, \ - S_IRUGO | S_IWUSR, show_auto_pwm, set_auto_pwm, \ - offset - 1, 2); \ -static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point4_pwm, \ - S_IRUGO, show_auto_pwm, NULL, offset - 1, 3); \ -static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point1_temp, \ - S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \ - offset - 1, 1); \ -static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point1_temp_hyst, \ - S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \ - offset - 1, 0); \ -static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point2_temp, \ - S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \ - offset - 1, 2); \ -static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point3_temp, \ - S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \ - offset - 1, 3); \ -static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point4_temp, \ - S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp, \ - offset - 1, 4); - -show_pwm_offset(1); -show_pwm_offset(2); -show_pwm_offset(3); - -/* A different set of callbacks for 16-bit fans */ -static ssize_t show_fan16(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; - struct it87_data *data = it87_update_device(dev); - return sprintf(buf, "%d\n", FAN16_FROM_REG(data->fan[nr])); -} - -static ssize_t show_fan16_min(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; - struct it87_data *data = it87_update_device(dev); - return sprintf(buf, "%d\n", FAN16_FROM_REG(data->fan_min[nr])); -} - -static ssize_t set_fan16_min(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); - int nr = sensor_attr->index; - struct it87_data *data = dev_get_drvdata(dev); - long val; - - if (kstrtol(buf, 10, &val) < 0) - return -EINVAL; - - mutex_lock(&data->update_lock); - data->fan_min[nr] = FAN16_TO_REG(val); - it87_write_value(data, IT87_REG_FAN_MIN[nr], - data->fan_min[nr] & 0xff); - it87_write_value(data, IT87_REG_FANX_MIN[nr], - data->fan_min[nr] >> 8); - mutex_unlock(&data->update_lock); - return count; -} - -/* - * We want to use the same sysfs file names as 8-bit fans, but we need - * different variable names, so we have to use SENSOR_ATTR instead of - * SENSOR_DEVICE_ATTR. - */ -#define show_fan16_offset(offset) \ -static struct sensor_device_attribute sensor_dev_attr_fan##offset##_input16 \ - = SENSOR_ATTR(fan##offset##_input, S_IRUGO, \ - show_fan16, NULL, offset - 1); \ -static struct sensor_device_attribute sensor_dev_attr_fan##offset##_min16 \ - = SENSOR_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ - show_fan16_min, set_fan16_min, offset - 1) - -show_fan16_offset(1); -show_fan16_offset(2); -show_fan16_offset(3); -show_fan16_offset(4); -show_fan16_offset(5); +static SENSOR_DEVICE_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0); +static SENSOR_DEVICE_ATTR_2(fan1_min, S_IRUGO | S_IWUSR, show_fan, set_fan, + 0, 1); +static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR, show_fan_div, + set_fan_div, 0); + +static SENSOR_DEVICE_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 1, 0); +static SENSOR_DEVICE_ATTR_2(fan2_min, S_IRUGO | S_IWUSR, show_fan, set_fan, + 1, 1); +static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR, show_fan_div, + set_fan_div, 1); + +static SENSOR_DEVICE_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 2, 0); +static SENSOR_DEVICE_ATTR_2(fan3_min, S_IRUGO | S_IWUSR, show_fan, set_fan, + 2, 1); +static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO | S_IWUSR, show_fan_div, + set_fan_div, 2); + +static SENSOR_DEVICE_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 3, 0); +static SENSOR_DEVICE_ATTR_2(fan4_min, S_IRUGO | S_IWUSR, show_fan, set_fan, + 3, 1); + +static SENSOR_DEVICE_ATTR_2(fan5_input, S_IRUGO, show_fan, NULL, 4, 0); +static SENSOR_DEVICE_ATTR_2(fan5_min, S_IRUGO | S_IWUSR, show_fan, set_fan, + 4, 1); + +static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, + show_pwm_enable, set_pwm_enable, 0); +static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 0); +static DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR, show_pwm_freq, set_pwm_freq); +static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IRUGO | S_IWUSR, + show_pwm_temp_map, set_pwm_temp_map, 0); +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO | S_IWUSR, + show_auto_pwm, set_auto_pwm, 0, 0); +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO | S_IWUSR, + show_auto_pwm, set_auto_pwm, 0, 1); +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO | S_IWUSR, + show_auto_pwm, set_auto_pwm, 0, 2); +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO, + show_auto_pwm, NULL, 0, 3); +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 0, 1); +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 0, 0); +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_temp, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 0, 2); +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_temp, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 0, 3); +static SENSOR_DEVICE_ATTR_2(pwm1_auto_point4_temp, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 0, 4); + +static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, + show_pwm_enable, set_pwm_enable, 1); +static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 1); +static DEVICE_ATTR(pwm2_freq, S_IRUGO, show_pwm_freq, NULL); +static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IRUGO | S_IWUSR, + show_pwm_temp_map, set_pwm_temp_map, 1); +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO | S_IWUSR, + show_auto_pwm, set_auto_pwm, 1, 0); +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO | S_IWUSR, + show_auto_pwm, set_auto_pwm, 1, 1); +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO | S_IWUSR, + show_auto_pwm, set_auto_pwm, 1, 2); +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO, + show_auto_pwm, NULL, 1, 3); +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 1, 1); +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 1, 0); +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_temp, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 1, 2); +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_temp, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 1, 3); +static SENSOR_DEVICE_ATTR_2(pwm2_auto_point4_temp, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 1, 4); + +static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, + show_pwm_enable, set_pwm_enable, 2); +static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm, set_pwm, 2); +static DEVICE_ATTR(pwm3_freq, S_IRUGO, show_pwm_freq, NULL); +static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IRUGO | S_IWUSR, + show_pwm_temp_map, set_pwm_temp_map, 2); +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO | S_IWUSR, + show_auto_pwm, set_auto_pwm, 2, 0); +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO | S_IWUSR, + show_auto_pwm, set_auto_pwm, 2, 1); +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO | S_IWUSR, + show_auto_pwm, set_auto_pwm, 2, 2); +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO, + show_auto_pwm, NULL, 2, 3); +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 2, 1); +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 2, 0); +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_temp, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 2, 2); +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_temp, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 2, 3); +static SENSOR_DEVICE_ATTR_2(pwm3_auto_point4_temp, S_IRUGO | S_IWUSR, + show_auto_temp, set_auto_temp, 2, 4); /* Alarms */ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, @@ -1471,6 +1499,12 @@ static const struct attribute_group it87_group_temp[3] = { { .attrs = it87_attributes_temp[2] }, }; +static struct attribute *it87_attributes_temp_offset[] = { + &sensor_dev_attr_temp1_offset.dev_attr.attr, + &sensor_dev_attr_temp2_offset.dev_attr.attr, + &sensor_dev_attr_temp3_offset.dev_attr.attr, +}; + static struct attribute *it87_attributes[] = { &dev_attr_alarms.attr, &sensor_dev_attr_intrusion0_alarm.dev_attr.attr, @@ -1500,73 +1534,47 @@ static struct attribute *it87_attributes_temp_beep[] = { &sensor_dev_attr_temp3_beep.dev_attr.attr, }; -static struct attribute *it87_attributes_fan16[5][3+1] = { { - &sensor_dev_attr_fan1_input16.dev_attr.attr, - &sensor_dev_attr_fan1_min16.dev_attr.attr, +static struct attribute *it87_attributes_fan[5][3+1] = { { + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan1_min.dev_attr.attr, &sensor_dev_attr_fan1_alarm.dev_attr.attr, NULL }, { - &sensor_dev_attr_fan2_input16.dev_attr.attr, - &sensor_dev_attr_fan2_min16.dev_attr.attr, + &sensor_dev_attr_fan2_input.dev_attr.attr, + &sensor_dev_attr_fan2_min.dev_attr.attr, &sensor_dev_attr_fan2_alarm.dev_attr.attr, NULL }, { - &sensor_dev_attr_fan3_input16.dev_attr.attr, - &sensor_dev_attr_fan3_min16.dev_attr.attr, + &sensor_dev_attr_fan3_input.dev_attr.attr, + &sensor_dev_attr_fan3_min.dev_attr.attr, &sensor_dev_attr_fan3_alarm.dev_attr.attr, NULL }, { - &sensor_dev_attr_fan4_input16.dev_attr.attr, - &sensor_dev_attr_fan4_min16.dev_attr.attr, + &sensor_dev_attr_fan4_input.dev_attr.attr, + &sensor_dev_attr_fan4_min.dev_attr.attr, &sensor_dev_attr_fan4_alarm.dev_attr.attr, NULL }, { - &sensor_dev_attr_fan5_input16.dev_attr.attr, - &sensor_dev_attr_fan5_min16.dev_attr.attr, + &sensor_dev_attr_fan5_input.dev_attr.attr, + &sensor_dev_attr_fan5_min.dev_attr.attr, &sensor_dev_attr_fan5_alarm.dev_attr.attr, NULL } }; -static const struct attribute_group it87_group_fan16[5] = { - { .attrs = it87_attributes_fan16[0] }, - { .attrs = it87_attributes_fan16[1] }, - { .attrs = it87_attributes_fan16[2] }, - { .attrs = it87_attributes_fan16[3] }, - { .attrs = it87_attributes_fan16[4] }, +static const struct attribute_group it87_group_fan[5] = { + { .attrs = it87_attributes_fan[0] }, + { .attrs = it87_attributes_fan[1] }, + { .attrs = it87_attributes_fan[2] }, + { .attrs = it87_attributes_fan[3] }, + { .attrs = it87_attributes_fan[4] }, }; -static struct attribute *it87_attributes_fan[3][4+1] = { { - &sensor_dev_attr_fan1_input.dev_attr.attr, - &sensor_dev_attr_fan1_min.dev_attr.attr, +static const struct attribute *it87_attributes_fan_div[] = { &sensor_dev_attr_fan1_div.dev_attr.attr, - &sensor_dev_attr_fan1_alarm.dev_attr.attr, - NULL -}, { - &sensor_dev_attr_fan2_input.dev_attr.attr, - &sensor_dev_attr_fan2_min.dev_attr.attr, &sensor_dev_attr_fan2_div.dev_attr.attr, - &sensor_dev_attr_fan2_alarm.dev_attr.attr, - NULL -}, { - &sensor_dev_attr_fan3_input.dev_attr.attr, - &sensor_dev_attr_fan3_min.dev_attr.attr, &sensor_dev_attr_fan3_div.dev_attr.attr, - &sensor_dev_attr_fan3_alarm.dev_attr.attr, - NULL -} }; - -static const struct attribute_group it87_group_fan[3] = { - { .attrs = it87_attributes_fan[0] }, - { .attrs = it87_attributes_fan[1] }, - { .attrs = it87_attributes_fan[2] }, }; -static const struct attribute_group * -it87_get_fan_group(const struct it87_data *data) -{ - return has_16bit_fans(data) ? it87_group_fan16 : it87_group_fan; -} - static struct attribute *it87_attributes_pwm[3][4+1] = { { &sensor_dev_attr_pwm1_enable.dev_attr.attr, &sensor_dev_attr_pwm1.dev_attr.attr, @@ -1925,7 +1933,6 @@ static void it87_remove_files(struct device *dev) { struct it87_data *data = platform_get_drvdata(pdev); struct it87_sio_data *sio_data = dev->platform_data; - const struct attribute_group *fan_group = it87_get_fan_group(data); int i; sysfs_remove_group(&dev->kobj, &it87_group); @@ -1941,6 +1948,9 @@ static void it87_remove_files(struct device *dev) if (!(data->has_temp & (1 << i))) continue; sysfs_remove_group(&dev->kobj, &it87_group_temp[i]); + if (has_temp_offset(data)) + sysfs_remove_file(&dev->kobj, + it87_attributes_temp_offset[i]); if (sio_data->beep_pin) sysfs_remove_file(&dev->kobj, it87_attributes_temp_beep[i]); @@ -1948,10 +1958,13 @@ static void it87_remove_files(struct device *dev) for (i = 0; i < 5; i++) { if (!(data->has_fan & (1 << i))) continue; - sysfs_remove_group(&dev->kobj, &fan_group[i]); + sysfs_remove_group(&dev->kobj, &it87_group_fan[i]); if (sio_data->beep_pin) sysfs_remove_file(&dev->kobj, it87_attributes_fan_beep[i]); + if (i < 3 && !has_16bit_fans(data)) + sysfs_remove_file(&dev->kobj, + it87_attributes_fan_div[i]); } for (i = 0; i < 3; i++) { if (sio_data->skip_pwm & (1 << 0)) @@ -1972,21 +1985,9 @@ static int it87_probe(struct platform_device *pdev) struct resource *res; struct device *dev = &pdev->dev; struct it87_sio_data *sio_data = dev->platform_data; - const struct attribute_group *fan_group; int err = 0, i; int enable_pwm_interface; int fan_beep_need_rw; - static const char * const names[] = { - "it87", - "it8712", - "it8716", - "it8718", - "it8720", - "it8721", - "it8728", - "it8782", - "it8783", - }; res = platform_get_resource(pdev, IORESOURCE_IO, 0); if (!devm_request_region(&pdev->dev, res->start, IT87_EC_EXTENT, @@ -2003,8 +2004,31 @@ static int it87_probe(struct platform_device *pdev) data->addr = res->start; data->type = sio_data->type; - data->revision = sio_data->revision; - data->name = names[sio_data->type]; + data->features = it87_devices[sio_data->type].features; + data->peci_mask = it87_devices[sio_data->type].peci_mask; + data->old_peci_mask = it87_devices[sio_data->type].old_peci_mask; + data->name = it87_devices[sio_data->type].name; + /* + * IT8705F Datasheet 0.4.1, 3h == Version G. + * IT8712F Datasheet 0.9.1, section 8.3.5 indicates 8h == Version J. + * These are the first revisions with 16-bit tachometer support. + */ + switch (data->type) { + case it87: + if (sio_data->revision >= 0x03) { + data->features &= ~FEAT_OLD_AUTOPWM; + data->features |= FEAT_16BIT_FANS; + } + break; + case it8712: + if (sio_data->revision >= 0x08) { + data->features &= ~FEAT_OLD_AUTOPWM; + data->features |= FEAT_16BIT_FANS; + } + break; + default: + break; + } /* Now, we do the remaining detection. */ if ((it87_read_value(data, IT87_REG_CONFIG) & 0x80) @@ -2068,6 +2092,12 @@ static int it87_probe(struct platform_device *pdev) err = sysfs_create_group(&dev->kobj, &it87_group_temp[i]); if (err) goto error; + if (has_temp_offset(data)) { + err = sysfs_create_file(&dev->kobj, + it87_attributes_temp_offset[i]); + if (err) + goto error; + } if (sio_data->beep_pin) { err = sysfs_create_file(&dev->kobj, it87_attributes_temp_beep[i]); @@ -2077,15 +2107,21 @@ static int it87_probe(struct platform_device *pdev) } /* Do not create fan files for disabled fans */ - fan_group = it87_get_fan_group(data); fan_beep_need_rw = 1; for (i = 0; i < 5; i++) { if (!(data->has_fan & (1 << i))) continue; - err = sysfs_create_group(&dev->kobj, &fan_group[i]); + err = sysfs_create_group(&dev->kobj, &it87_group_fan[i]); if (err) goto error; + if (i < 3 && !has_16bit_fans(data)) { + err = sysfs_create_file(&dev->kobj, + it87_attributes_fan_div[i]); + if (err) + goto error; + } + if (sio_data->beep_pin) { err = sysfs_create_file(&dev->kobj, it87_attributes_fan_beep[i]); @@ -2221,8 +2257,8 @@ static int it87_check_pwm(struct device *dev) * PWM interface). */ if (!((pwm[0] | pwm[1] | pwm[2]) & 0x80)) { - dev_info(dev, "Reconfiguring PWM to " - "active high polarity\n"); + dev_info(dev, + "Reconfiguring PWM to active high polarity\n"); it87_write_value(data, IT87_REG_FAN_CTL, tmp | 0x87); for (i = 0; i < 3; i++) @@ -2232,16 +2268,16 @@ static int it87_check_pwm(struct device *dev) return 1; } - dev_info(dev, "PWM configuration is " - "too broken to be fixed\n"); + dev_info(dev, + "PWM configuration is too broken to be fixed\n"); } - dev_info(dev, "Detected broken BIOS " - "defaults, disabling PWM interface\n"); + dev_info(dev, + "Detected broken BIOS defaults, disabling PWM interface\n"); return 0; } else if (fix_pwm_polarity) { - dev_info(dev, "PWM configuration looks " - "sane, won't touch\n"); + dev_info(dev, + "PWM configuration looks sane, won't touch\n"); } return 1; @@ -2389,42 +2425,46 @@ static struct it87_data *it87_update_device(struct device *dev) it87_read_value(data, IT87_REG_CONFIG) | 0x40); } for (i = 0; i <= 7; i++) { - data->in[i] = + data->in[i][0] = it87_read_value(data, IT87_REG_VIN(i)); - data->in_min[i] = + data->in[i][1] = it87_read_value(data, IT87_REG_VIN_MIN(i)); - data->in_max[i] = + data->in[i][2] = it87_read_value(data, IT87_REG_VIN_MAX(i)); } /* in8 (battery) has no limit registers */ - data->in[8] = it87_read_value(data, IT87_REG_VIN(8)); + data->in[8][0] = it87_read_value(data, IT87_REG_VIN(8)); for (i = 0; i < 5; i++) { /* Skip disabled fans */ if (!(data->has_fan & (1 << i))) continue; - data->fan_min[i] = + data->fan[i][1] = it87_read_value(data, IT87_REG_FAN_MIN[i]); - data->fan[i] = it87_read_value(data, + data->fan[i][0] = it87_read_value(data, IT87_REG_FAN[i]); /* Add high byte if in 16-bit mode */ if (has_16bit_fans(data)) { - data->fan[i] |= it87_read_value(data, + data->fan[i][0] |= it87_read_value(data, IT87_REG_FANX[i]) << 8; - data->fan_min[i] |= it87_read_value(data, + data->fan[i][1] |= it87_read_value(data, IT87_REG_FANX_MIN[i]) << 8; } } for (i = 0; i < 3; i++) { if (!(data->has_temp & (1 << i))) continue; - data->temp[i] = + data->temp[i][0] = it87_read_value(data, IT87_REG_TEMP(i)); - data->temp_high[i] = - it87_read_value(data, IT87_REG_TEMP_HIGH(i)); - data->temp_low[i] = + data->temp[i][1] = it87_read_value(data, IT87_REG_TEMP_LOW(i)); + data->temp[i][2] = + it87_read_value(data, IT87_REG_TEMP_HIGH(i)); + if (has_temp_offset(data)) + data->temp[i][3] = + it87_read_value(data, + IT87_REG_TEMP_OFFSET[i]); } /* Newer chips don't have clock dividers */ @@ -2448,6 +2488,7 @@ static struct it87_data *it87_update_device(struct device *dev) it87_update_pwm_ctrl(data, i); data->sensor = it87_read_value(data, IT87_REG_TEMP_ENABLE); + data->extra = it87_read_value(data, IT87_REG_TEMP_EXTRA); /* * The IT8705F does not have VID capability. * The IT8718F and later don't use IT87_REG_VID for the @@ -2549,8 +2590,7 @@ static void __exit sm_it87_exit(void) } -MODULE_AUTHOR("Chris Gauthron, " - "Jean Delvare <khali@linux-fr.org>"); +MODULE_AUTHOR("Chris Gauthron, Jean Delvare <khali@linux-fr.org>"); MODULE_DESCRIPTION("IT8705F/IT871xF/IT872xF hardware monitoring driver"); module_param(update_vbat, bool, 0); MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value"); diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 55ac41c05561..0e8ffd6059a0 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -1,7 +1,7 @@ /* * w83627ehf - Driver for the hardware monitoring functionality of * the Winbond W83627EHF Super-I/O chip - * Copyright (C) 2005-2011 Jean Delvare <khali@linux-fr.org> + * Copyright (C) 2005-2012 Jean Delvare <khali@linux-fr.org> * Copyright (C) 2006 Yuan Mu (Winbond), * Rudolf Marek <r.marek@assembler.cz> * David Hubbard <david.c.hubbard@gmail.com> @@ -502,6 +502,13 @@ struct w83627ehf_data { u16 have_temp_offset; u8 in6_skip:1; u8 temp3_val_only:1; + +#ifdef CONFIG_PM + /* Remember extra register values over suspend/resume */ + u8 vbat; + u8 fandiv1; + u8 fandiv2; +#endif }; struct w83627ehf_sio_data { @@ -898,6 +905,8 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev) data->temp_max_hyst[i] = w83627ehf_read_temp(data, data->reg_temp_hyst[i]); + if (i > 2) + continue; if (data->have_temp_offset & (1 << i)) data->temp_offset[i] = w83627ehf_read_value(data, @@ -2608,10 +2617,98 @@ static int w83627ehf_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int w83627ehf_suspend(struct device *dev) +{ + struct w83627ehf_data *data = w83627ehf_update_device(dev); + struct w83627ehf_sio_data *sio_data = dev->platform_data; + + mutex_lock(&data->update_lock); + data->vbat = w83627ehf_read_value(data, W83627EHF_REG_VBAT); + if (sio_data->kind == nct6775) { + data->fandiv1 = w83627ehf_read_value(data, NCT6775_REG_FANDIV1); + data->fandiv2 = w83627ehf_read_value(data, NCT6775_REG_FANDIV2); + } + mutex_unlock(&data->update_lock); + + return 0; +} + +static int w83627ehf_resume(struct device *dev) +{ + struct w83627ehf_data *data = dev_get_drvdata(dev); + struct w83627ehf_sio_data *sio_data = dev->platform_data; + int i; + + mutex_lock(&data->update_lock); + data->bank = 0xff; /* Force initial bank selection */ + + /* Restore limits */ + for (i = 0; i < data->in_num; i++) { + if ((i == 6) && data->in6_skip) + continue; + + w83627ehf_write_value(data, W83627EHF_REG_IN_MIN(i), + data->in_min[i]); + w83627ehf_write_value(data, W83627EHF_REG_IN_MAX(i), + data->in_max[i]); + } + + for (i = 0; i < 5; i++) { + if (!(data->has_fan_min & (1 << i))) + continue; + + w83627ehf_write_value(data, data->REG_FAN_MIN[i], + data->fan_min[i]); + } + + for (i = 0; i < NUM_REG_TEMP; i++) { + if (!(data->have_temp & (1 << i))) + continue; + + if (data->reg_temp_over[i]) + w83627ehf_write_temp(data, data->reg_temp_over[i], + data->temp_max[i]); + if (data->reg_temp_hyst[i]) + w83627ehf_write_temp(data, data->reg_temp_hyst[i], + data->temp_max_hyst[i]); + if (i > 2) + continue; + if (data->have_temp_offset & (1 << i)) + w83627ehf_write_value(data, + W83627EHF_REG_TEMP_OFFSET[i], + data->temp_offset[i]); + } + + /* Restore other settings */ + w83627ehf_write_value(data, W83627EHF_REG_VBAT, data->vbat); + if (sio_data->kind == nct6775) { + w83627ehf_write_value(data, NCT6775_REG_FANDIV1, data->fandiv1); + w83627ehf_write_value(data, NCT6775_REG_FANDIV2, data->fandiv2); + } + + /* Force re-reading all values */ + data->valid = 0; + mutex_unlock(&data->update_lock); + + return 0; +} + +static const struct dev_pm_ops w83627ehf_dev_pm_ops = { + .suspend = w83627ehf_suspend, + .resume = w83627ehf_resume, +}; + +#define W83627EHF_DEV_PM_OPS (&w83627ehf_dev_pm_ops) +#else +#define W83627EHF_DEV_PM_OPS NULL +#endif /* CONFIG_PM */ + static struct platform_driver w83627ehf_driver = { .driver = { .owner = THIS_MODULE, .name = DRVNAME, + .pm = W83627EHF_DEV_PM_OPS, }, .probe = w83627ehf_probe, .remove = w83627ehf_remove, diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index 7f68b8309d10..81f486520cea 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -5,7 +5,7 @@ * Philip Edelbrock <phil@netroedge.com>, * and Mark Studebaker <mdsxyz123@yahoo.com> * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org> - * Copyright (c) 2007 Jean Delvare <khali@linux-fr.org> + * Copyright (c) 2007 - 1012 Jean Delvare <khali@linux-fr.org> * * 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 @@ -389,6 +389,12 @@ struct w83627hf_data { */ u8 vrm; u8 vrm_ovt; /* Register value, 627THF/637HF/687THF only */ + +#ifdef CONFIG_PM + /* Remember extra register values over suspend/resume */ + u8 scfg1; + u8 scfg2; +#endif }; @@ -401,10 +407,77 @@ static void w83627hf_update_fan_div(struct w83627hf_data *data); static struct w83627hf_data *w83627hf_update_device(struct device *dev); static void w83627hf_init_device(struct platform_device *pdev); +#ifdef CONFIG_PM +static int w83627hf_suspend(struct device *dev) +{ + struct w83627hf_data *data = w83627hf_update_device(dev); + + mutex_lock(&data->update_lock); + data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1); + data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2); + mutex_unlock(&data->update_lock); + + return 0; +} + +static int w83627hf_resume(struct device *dev) +{ + struct w83627hf_data *data = dev_get_drvdata(dev); + int i, num_temps = (data->type == w83697hf) ? 2 : 3; + + /* Restore limits */ + mutex_lock(&data->update_lock); + for (i = 0; i <= 8; i++) { + /* skip missing sensors */ + if (((data->type == w83697hf) && (i == 1)) || + ((data->type != w83627hf && data->type != w83697hf) + && (i == 5 || i == 6))) + continue; + w83627hf_write_value(data, W83781D_REG_IN_MAX(i), + data->in_max[i]); + w83627hf_write_value(data, W83781D_REG_IN_MIN(i), + data->in_min[i]); + } + for (i = 0; i <= 2; i++) + w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i), + data->fan_min[i]); + for (i = 0; i < num_temps; i++) { + w83627hf_write_value(data, w83627hf_reg_temp_over[i], + data->temp_max[i]); + w83627hf_write_value(data, w83627hf_reg_temp_hyst[i], + data->temp_max_hyst[i]); + } + + /* Fixup BIOS bugs */ + if (data->type == w83627thf || data->type == w83637hf || + data->type == w83687thf) + w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG, + data->vrm_ovt); + w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1); + w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2); + + /* Force re-reading all values */ + data->valid = 0; + mutex_unlock(&data->update_lock); + + return 0; +} + +static const struct dev_pm_ops w83627hf_dev_pm_ops = { + .suspend = w83627hf_suspend, + .resume = w83627hf_resume, +}; + +#define W83627HF_DEV_PM_OPS (&w83627hf_dev_pm_ops) +#else +#define W83627HF_DEV_PM_OPS NULL +#endif /* CONFIG_PM */ + static struct platform_driver w83627hf_driver = { .driver = { .owner = THIS_MODULE, .name = DRVNAME, + .pm = W83627HF_DEV_PM_OPS, }, .probe = w83627hf_probe, .remove = w83627hf_remove, @@ -1659,8 +1732,10 @@ static void w83627hf_init_device(struct platform_device *pdev) /* Minimize conflicts with other winbond i2c-only clients... */ /* disable i2c subclients... how to disable main i2c client?? */ /* force i2c address to relatively uncommon address */ - w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89); - w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c); + if (type == w83627hf) { + w83627hf_write_value(data, W83781D_REG_I2C_SUBADDR, 0x89); + w83627hf_write_value(data, W83781D_REG_I2C_ADDR, force_i2c); + } /* Read VID only once */ if (type == w83627hf || type == w83637hf) { diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index d6cc77a53c7e..5f306f79da0c 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -921,6 +921,7 @@ static int __init i8042_platform_init(void) int retval; #ifdef CONFIG_X86 + u8 a20_on = 0xdf; /* Just return if pre-detection shows no i8042 controller exist */ if (!x86_platform.i8042_detect()) return -ENODEV; @@ -960,6 +961,14 @@ static int __init i8042_platform_init(void) if (dmi_check_system(i8042_dmi_dritek_table)) i8042_dritek = true; + + /* + * A20 was already enabled during early kernel init. But some buggy + * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to + * resume from S3. So we do it here and hope that nothing breaks. + */ + i8042_command(&a20_on, 0x10d1); + i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */ #endif /* CONFIG_X86 */ return retval; diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c index 28c99c623bcd..22b720ec80cb 100644 --- a/drivers/isdn/mISDN/dsp_core.c +++ b/drivers/isdn/mISDN/dsp_core.c @@ -1217,8 +1217,7 @@ static void __exit dsp_cleanup(void) { mISDN_unregister_Bprotocol(&DSP); - if (timer_pending(&dsp_spl_tl)) - del_timer(&dsp_spl_tl); + del_timer_sync(&dsp_spl_tl); if (!list_empty(&dsp_ilist)) { printk(KERN_ERR "mISDN_dsp: Audio DSP object inst list not " diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 770a0d01e0b9..05164d7f054b 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -25,7 +25,6 @@ #include <linux/dma-mapping.h> #include <linux/spinlock.h> #include <linux/gpio.h> -#include <plat/cpu.h> #include <linux/platform_device.h> #include <linux/platform_data/usb-omap.h> #include <linux/pm_runtime.h> @@ -384,7 +383,7 @@ static void omap_usbhs_init(struct device *dev) reg &= ~OMAP_UHH_HOSTCONFIG_P3_CONNECT_STATUS; /* Bypass the TLL module for PHY mode operation */ - if (cpu_is_omap3430() && (omap_rev() <= OMAP3430_REV_ES2_1)) { + if (pdata->single_ulpi_bypass) { dev_dbg(dev, "OMAP3 ES version <= ES2.1\n"); if (is_ehci_phy_mode(pdata->port_mode[0]) || is_ehci_phy_mode(pdata->port_mode[1]) || diff --git a/drivers/mtd/ar7part.c b/drivers/mtd/ar7part.c index 945393129952..7c057a05adb6 100644 --- a/drivers/mtd/ar7part.c +++ b/drivers/mtd/ar7part.c @@ -26,19 +26,16 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/bootmem.h> -#include <linux/magic.h> #include <linux/module.h> +#include <uapi/linux/magic.h> + #define AR7_PARTS 4 #define ROOT_OFFSET 0xe0000 #define LOADER_MAGIC1 le32_to_cpu(0xfeedfa42) #define LOADER_MAGIC2 le32_to_cpu(0xfeed1281) -#ifndef SQUASHFS_MAGIC -#define SQUASHFS_MAGIC 0x73717368 -#endif - struct ar7_bin_rec { unsigned int checksum; unsigned int length; diff --git a/drivers/mtd/bcm63xxpart.c b/drivers/mtd/bcm63xxpart.c index 63d2a64331f7..6eeb84c81bc2 100644 --- a/drivers/mtd/bcm63xxpart.c +++ b/drivers/mtd/bcm63xxpart.c @@ -37,8 +37,7 @@ #define BCM63XX_EXTENDED_SIZE 0xBFC00000 /* Extended flash address */ -#define BCM63XX_MIN_CFE_SIZE 0x10000 /* always at least 64KiB */ -#define BCM63XX_MIN_NVRAM_SIZE 0x10000 /* always at least 64KiB */ +#define BCM63XX_CFE_BLOCK_SIZE 0x10000 /* always at least 64KiB */ #define BCM63XX_CFE_MAGIC_OFFSET 0x4e0 @@ -79,7 +78,7 @@ static int bcm63xx_parse_cfe_partitions(struct mtd_info *master, unsigned int rootfsaddr, kerneladdr, spareaddr; unsigned int rootfslen, kernellen, sparelen, totallen; unsigned int cfelen, nvramlen; - int namelen = 0; + unsigned int cfe_erasesize; int i; u32 computed_crc; bool rootfs_first = false; @@ -87,8 +86,11 @@ static int bcm63xx_parse_cfe_partitions(struct mtd_info *master, if (bcm63xx_detect_cfe(master)) return -EINVAL; - cfelen = max_t(uint32_t, master->erasesize, BCM63XX_MIN_CFE_SIZE); - nvramlen = max_t(uint32_t, master->erasesize, BCM63XX_MIN_NVRAM_SIZE); + cfe_erasesize = max_t(uint32_t, master->erasesize, + BCM63XX_CFE_BLOCK_SIZE); + + cfelen = cfe_erasesize; + nvramlen = cfe_erasesize; /* Allocate memory for buffer */ buf = vmalloc(sizeof(struct bcm_tag)); @@ -121,7 +123,6 @@ static int bcm63xx_parse_cfe_partitions(struct mtd_info *master, kerneladdr = kerneladdr - BCM63XX_EXTENDED_SIZE; rootfsaddr = rootfsaddr - BCM63XX_EXTENDED_SIZE; spareaddr = roundup(totallen, master->erasesize) + cfelen; - sparelen = master->size - spareaddr - nvramlen; if (rootfsaddr < kerneladdr) { /* default Broadcom layout */ @@ -139,19 +140,15 @@ static int bcm63xx_parse_cfe_partitions(struct mtd_info *master, rootfslen = 0; rootfsaddr = 0; spareaddr = cfelen; - sparelen = master->size - cfelen - nvramlen; } + sparelen = master->size - spareaddr - nvramlen; /* Determine number of partitions */ - namelen = 8; - if (rootfslen > 0) { + if (rootfslen > 0) nrparts++; - namelen += 6; - } - if (kernellen > 0) { + + if (kernellen > 0) nrparts++; - namelen += 6; - } /* Ask kernel for more memory */ parts = kzalloc(sizeof(*parts) * nrparts + 10 * nrparts, GFP_KERNEL); @@ -193,17 +190,16 @@ static int bcm63xx_parse_cfe_partitions(struct mtd_info *master, parts[curpart].name = "nvram"; parts[curpart].offset = master->size - nvramlen; parts[curpart].size = nvramlen; + curpart++; /* Global partition "linux" to make easy firmware upgrade */ - curpart++; parts[curpart].name = "linux"; parts[curpart].offset = cfelen; parts[curpart].size = master->size - cfelen - nvramlen; for (i = 0; i < nrparts; i++) - pr_info("Partition %d is %s offset %lx and length %lx\n", i, - parts[i].name, (long unsigned int)(parts[i].offset), - (long unsigned int)(parts[i].size)); + pr_info("Partition %d is %s offset %llx and length %llx\n", i, + parts[i].name, parts[i].offset, parts[i].size); pr_info("Spare partition is offset %x and length %x\n", spareaddr, sparelen); diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 5ff5c4a16943..b86197286f24 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -1536,8 +1536,20 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, UDELAY(map, chip, adr, 1); } - /* reset on all failures. */ - map_write( map, CMD(0xF0), chip->start ); + /* + * Recovery from write-buffer programming failures requires + * the write-to-buffer-reset sequence. Since the last part + * of the sequence also works as a normal reset, we can run + * the same commands regardless of why we are here. + * See e.g. + * http://www.spansion.com/Support/Application%20Notes/MirrorBit_Write_Buffer_Prog_Page_Buffer_Read_AN.pdf + */ + cfi_send_gen_cmd(0xAA, cfi->addr_unlock1, chip->start, map, cfi, + cfi->device_type, NULL); + cfi_send_gen_cmd(0x55, cfi->addr_unlock2, chip->start, map, cfi, + cfi->device_type, NULL); + cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, chip->start, map, cfi, + cfi->device_type, NULL); xip_enable(map, chip, adr); /* FIXME - should have reset delay before continuing */ diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c index aed1b8a63c9f..c533f27d863f 100644 --- a/drivers/mtd/cmdlinepart.c +++ b/drivers/mtd/cmdlinepart.c @@ -56,8 +56,8 @@ /* special size referring to all the remaining space in a partition */ -#define SIZE_REMAINING UINT_MAX -#define OFFSET_CONTINUOUS UINT_MAX +#define SIZE_REMAINING ULLONG_MAX +#define OFFSET_CONTINUOUS ULLONG_MAX struct cmdline_mtd_partition { struct cmdline_mtd_partition *next; @@ -89,7 +89,7 @@ static struct mtd_partition * newpart(char *s, int extra_mem_size) { struct mtd_partition *parts; - unsigned long size, offset = OFFSET_CONTINUOUS; + unsigned long long size, offset = OFFSET_CONTINUOUS; char *name; int name_len; unsigned char *extra_mem; @@ -104,7 +104,8 @@ static struct mtd_partition * newpart(char *s, } else { size = memparse(s, &s); if (size < PAGE_SIZE) { - printk(KERN_ERR ERRP "partition size too small (%lx)\n", size); + printk(KERN_ERR ERRP "partition size too small (%llx)\n", + size); return ERR_PTR(-EINVAL); } } @@ -296,7 +297,7 @@ static int parse_cmdline_partitions(struct mtd_info *master, struct mtd_partition **pparts, struct mtd_part_parser_data *data) { - unsigned long offset; + unsigned long long offset; int i, err; struct cmdline_mtd_partition *part; const char *mtd_id = master->name; @@ -308,48 +309,52 @@ static int parse_cmdline_partitions(struct mtd_info *master, return err; } + /* + * Search for the partition definition matching master->name. + * If master->name is not set, stop at first partition definition. + */ for (part = partitions; part; part = part->next) { - if ((!mtd_id) || (!strcmp(part->mtd_id, mtd_id))) { - for (i = 0, offset = 0; i < part->num_parts; i++) { - if (part->parts[i].offset == OFFSET_CONTINUOUS) - part->parts[i].offset = offset; - else - offset = part->parts[i].offset; - - if (part->parts[i].size == SIZE_REMAINING) - part->parts[i].size = master->size - offset; - - if (part->parts[i].size == 0) { - printk(KERN_WARNING ERRP - "%s: skipping zero sized partition\n", - part->mtd_id); - part->num_parts--; - memmove(&part->parts[i], - &part->parts[i + 1], - sizeof(*part->parts) * (part->num_parts - i)); - continue; - } - - if (offset + part->parts[i].size > master->size) { - printk(KERN_WARNING ERRP - "%s: partitioning exceeds flash size, truncating\n", - part->mtd_id); - part->parts[i].size = master->size - offset; - } - offset += part->parts[i].size; - } - - *pparts = kmemdup(part->parts, - sizeof(*part->parts) * part->num_parts, - GFP_KERNEL); - if (!*pparts) - return -ENOMEM; - - return part->num_parts; + if ((!mtd_id) || (!strcmp(part->mtd_id, mtd_id))) + break; + } + + if (!part) + return 0; + + for (i = 0, offset = 0; i < part->num_parts; i++) { + if (part->parts[i].offset == OFFSET_CONTINUOUS) + part->parts[i].offset = offset; + else + offset = part->parts[i].offset; + + if (part->parts[i].size == SIZE_REMAINING) + part->parts[i].size = master->size - offset; + + if (part->parts[i].size == 0) { + printk(KERN_WARNING ERRP + "%s: skipping zero sized partition\n", + part->mtd_id); + part->num_parts--; + memmove(&part->parts[i], &part->parts[i + 1], + sizeof(*part->parts) * (part->num_parts - i)); + continue; } + + if (offset + part->parts[i].size > master->size) { + printk(KERN_WARNING ERRP + "%s: partitioning exceeds flash size, truncating\n", + part->mtd_id); + part->parts[i].size = master->size - offset; + } + offset += part->parts[i].size; } - return 0; + *pparts = kmemdup(part->parts, sizeof(*part->parts) * part->num_parts, + GFP_KERNEL); + if (!*pparts) + return -ENOMEM; + + return part->num_parts; } diff --git a/drivers/mtd/devices/bcm47xxsflash.c b/drivers/mtd/devices/bcm47xxsflash.c index 2dc5a6f3fd57..4714584aa993 100644 --- a/drivers/mtd/devices/bcm47xxsflash.c +++ b/drivers/mtd/devices/bcm47xxsflash.c @@ -66,7 +66,7 @@ out: return err; } -static int __devexit bcm47xxsflash_remove(struct platform_device *pdev) +static int bcm47xxsflash_remove(struct platform_device *pdev) { struct bcma_sflash *sflash = dev_get_platdata(&pdev->dev); @@ -77,7 +77,7 @@ static int __devexit bcm47xxsflash_remove(struct platform_device *pdev) } static struct platform_driver bcma_sflash_driver = { - .remove = __devexit_p(bcm47xxsflash_remove), + .remove = bcm47xxsflash_remove, .driver = { .name = "bcma_sflash", .owner = THIS_MODULE, diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c index 681e2ee0f2d6..e081bfeaaf7d 100644 --- a/drivers/mtd/devices/block2mtd.c +++ b/drivers/mtd/devices/block2mtd.c @@ -62,6 +62,7 @@ static int _block2mtd_erase(struct block2mtd_dev *dev, loff_t to, size_t len) memset(page_address(page), 0xff, PAGE_SIZE); set_page_dirty(page); unlock_page(page); + balance_dirty_pages_ratelimited(mapping); break; } @@ -152,6 +153,7 @@ static int _block2mtd_write(struct block2mtd_dev *dev, const u_char *buf, memcpy(page_address(page) + offset, buf, cpylen); set_page_dirty(page); unlock_page(page); + balance_dirty_pages_ratelimited(mapping); } page_cache_release(page); @@ -433,7 +435,7 @@ static int __init block2mtd_init(void) } -static void __devexit block2mtd_exit(void) +static void block2mtd_exit(void) { struct list_head *pos, *next; diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index d34d83b8f9c2..8510ccb9c6f0 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -1440,7 +1440,7 @@ static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, oobdelta = mtd->ecclayout->oobavail; break; default: - oobdelta = 0; + return -EINVAL; } if ((len % DOC_LAYOUT_PAGE_SIZE) || (ooblen % oobdelta) || (ofs % DOC_LAYOUT_PAGE_SIZE)) diff --git a/drivers/mtd/devices/docprobe.c b/drivers/mtd/devices/docprobe.c index 706b847b46b3..88b3fd3e18a7 100644 --- a/drivers/mtd/devices/docprobe.c +++ b/drivers/mtd/devices/docprobe.c @@ -70,8 +70,6 @@ static unsigned long __initdata doc_locations[] = { 0xe0000, 0xe2000, 0xe4000, 0xe6000, 0xe8000, 0xea000, 0xec000, 0xee000, #endif /* CONFIG_MTD_DOCPROBE_HIGH */ -#else -#warning Unknown architecture for DiskOnChip. No default probe locations defined #endif 0xffffffff }; diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 03838bab1f59..4eeeb2d7f6ea 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -73,14 +73,6 @@ #define MAX_READY_WAIT_JIFFIES (40 * HZ) /* M25P16 specs 40s max chip erase */ #define MAX_CMD_SIZE 5 -#ifdef CONFIG_M25PXX_USE_FAST_READ -#define OPCODE_READ OPCODE_FAST_READ -#define FAST_READ_DUMMY_BYTE 1 -#else -#define OPCODE_READ OPCODE_NORM_READ -#define FAST_READ_DUMMY_BYTE 0 -#endif - #define JEDEC_MFR(_jedec_id) ((_jedec_id) >> 16) /****************************************************************************/ @@ -93,6 +85,7 @@ struct m25p { u16 addr_width; u8 erase_opcode; u8 *command; + bool fast_read; }; static inline struct m25p *mtd_to_m25p(struct mtd_info *mtd) @@ -168,6 +161,7 @@ static inline int set_4byte(struct m25p *flash, u32 jedec_id, int enable) { switch (JEDEC_MFR(jedec_id)) { case CFI_MFR_MACRONIX: + case 0xEF /* winbond */: flash->command[0] = enable ? OPCODE_EN4B : OPCODE_EX4B; return spi_write(flash->spi, flash->command, 1); default: @@ -342,6 +336,7 @@ static int m25p80_read(struct mtd_info *mtd, loff_t from, size_t len, struct m25p *flash = mtd_to_m25p(mtd); struct spi_transfer t[2]; struct spi_message m; + uint8_t opcode; pr_debug("%s: %s from 0x%08x, len %zd\n", dev_name(&flash->spi->dev), __func__, (u32)from, len); @@ -354,7 +349,7 @@ static int m25p80_read(struct mtd_info *mtd, loff_t from, size_t len, * Should add 1 byte DUMMY_BYTE. */ t[0].tx_buf = flash->command; - t[0].len = m25p_cmdsz(flash) + FAST_READ_DUMMY_BYTE; + t[0].len = m25p_cmdsz(flash) + (flash->fast_read ? 1 : 0); spi_message_add_tail(&t[0], &m); t[1].rx_buf = buf; @@ -376,12 +371,14 @@ static int m25p80_read(struct mtd_info *mtd, loff_t from, size_t len, */ /* Set up the write data buffer. */ - flash->command[0] = OPCODE_READ; + opcode = flash->fast_read ? OPCODE_FAST_READ : OPCODE_NORM_READ; + flash->command[0] = opcode; m25p_addr2cmd(flash, from, flash->command); spi_sync(flash->spi, &m); - *retlen = m.actual_length - m25p_cmdsz(flash) - FAST_READ_DUMMY_BYTE; + *retlen = m.actual_length - m25p_cmdsz(flash) - + (flash->fast_read ? 1 : 0); mutex_unlock(&flash->lock); @@ -664,7 +661,8 @@ static const struct spi_device_id m25p_ids[] = { { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) }, /* Micron */ - { "n25q128", INFO(0x20ba18, 0, 64 * 1024, 256, 0) }, + { "n25q128a11", INFO(0x20bb18, 0, 64 * 1024, 256, 0) }, + { "n25q128a13", INFO(0x20ba18, 0, 64 * 1024, 256, 0) }, { "n25q256a", INFO(0x20ba19, 0, 64 * 1024, 512, SECT_4K) }, /* Spansion -- single (large) sector size only, at least @@ -745,6 +743,8 @@ static const struct spi_device_id m25p_ids[] = { { "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) }, { "w25q64", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) }, { "w25q80", INFO(0xef5014, 0, 64 * 1024, 16, SECT_4K) }, + { "w25q80bl", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K) }, + { "w25q256", INFO(0xef4019, 0, 64 * 1024, 512, SECT_4K) }, /* Catalyst / On Semiconductor -- non-JEDEC */ { "cat25c11", CAT25_INFO( 16, 8, 16, 1) }, @@ -756,7 +756,7 @@ static const struct spi_device_id m25p_ids[] = { }; MODULE_DEVICE_TABLE(spi, m25p_ids); -static const struct spi_device_id *__devinit jedec_probe(struct spi_device *spi) +static const struct spi_device_id *jedec_probe(struct spi_device *spi) { int tmp; u8 code = OPCODE_RDID; @@ -801,7 +801,7 @@ static const struct spi_device_id *__devinit jedec_probe(struct spi_device *spi) * matches what the READ command supports, at least until this driver * understands FAST_READ (for clocks over 25 MHz). */ -static int __devinit m25p_probe(struct spi_device *spi) +static int m25p_probe(struct spi_device *spi) { const struct spi_device_id *id = spi_get_device_id(spi); struct flash_platform_data *data; @@ -809,9 +809,10 @@ static int __devinit m25p_probe(struct spi_device *spi) struct flash_info *info; unsigned i; struct mtd_part_parser_data ppdata; + struct device_node __maybe_unused *np = spi->dev.of_node; #ifdef CONFIG_MTD_OF_PARTS - if (!of_device_is_available(spi->dev.of_node)) + if (!of_device_is_available(np)) return -ENODEV; #endif @@ -863,7 +864,8 @@ static int __devinit m25p_probe(struct spi_device *spi) flash = kzalloc(sizeof *flash, GFP_KERNEL); if (!flash) return -ENOMEM; - flash->command = kmalloc(MAX_CMD_SIZE + FAST_READ_DUMMY_BYTE, GFP_KERNEL); + flash->command = kmalloc(MAX_CMD_SIZE + (flash->fast_read ? 1 : 0), + GFP_KERNEL); if (!flash->command) { kfree(flash); return -ENOMEM; @@ -920,6 +922,16 @@ static int __devinit m25p_probe(struct spi_device *spi) flash->page_size = info->page_size; flash->mtd.writebufsize = flash->page_size; + flash->fast_read = false; +#ifdef CONFIG_OF + if (np && of_property_read_bool(np, "m25p,fast-read")) + flash->fast_read = true; +#endif + +#ifdef CONFIG_M25PXX_USE_FAST_READ + flash->fast_read = true; +#endif + if (info->addr_width) flash->addr_width = info->addr_width; else { @@ -961,7 +973,7 @@ static int __devinit m25p_probe(struct spi_device *spi) } -static int __devexit m25p_remove(struct spi_device *spi) +static int m25p_remove(struct spi_device *spi) { struct m25p *flash = dev_get_drvdata(&spi->dev); int status; @@ -983,7 +995,7 @@ static struct spi_driver m25p80_driver = { }, .id_table = m25p_ids, .probe = m25p_probe, - .remove = __devexit_p(m25p_remove), + .remove = m25p_remove, /* REVISIT: many of these chips have deep power-down modes, which * should clearly be entered on suspend() to minimize power use. diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c index 928fb0e6d73a..ea7ea7b595d8 100644 --- a/drivers/mtd/devices/mtd_dataflash.c +++ b/drivers/mtd/devices/mtd_dataflash.c @@ -618,7 +618,7 @@ static char *otp_setup(struct mtd_info *device, char revision) /* * Register DataFlash device with MTD subsystem. */ -static int __devinit +static int add_dataflash_otp(struct spi_device *spi, char *name, int nr_pages, int pagesize, int pageoffset, char revision) { @@ -679,7 +679,7 @@ add_dataflash_otp(struct spi_device *spi, char *name, return err; } -static inline int __devinit +static inline int add_dataflash(struct spi_device *spi, char *name, int nr_pages, int pagesize, int pageoffset) { @@ -705,7 +705,7 @@ struct flash_info { #define IS_POW2PS 0x0001 /* uses 2^N byte pages */ }; -static struct flash_info __devinitdata dataflash_data [] = { +static struct flash_info dataflash_data[] = { /* * NOTE: chips with SUP_POW2PS (rev D and up) need two entries, @@ -740,7 +740,7 @@ static struct flash_info __devinitdata dataflash_data [] = { { "at45db642d", 0x1f2800, 8192, 1024, 10, SUP_POW2PS | IS_POW2PS}, }; -static struct flash_info *__devinit jedec_probe(struct spi_device *spi) +static struct flash_info *jedec_probe(struct spi_device *spi) { int tmp; uint8_t code = OP_READ_ID; @@ -823,7 +823,7 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi) * AT45DB0642 64Mbit (8M) xx111xxx (0x3c) 8192 1056 11 * AT45DB1282 128Mbit (16M) xx0100xx (0x10) 16384 1056 11 */ -static int __devinit dataflash_probe(struct spi_device *spi) +static int dataflash_probe(struct spi_device *spi) { int status; struct flash_info *info; @@ -897,7 +897,7 @@ static int __devinit dataflash_probe(struct spi_device *spi) return status; } -static int __devexit dataflash_remove(struct spi_device *spi) +static int dataflash_remove(struct spi_device *spi) { struct dataflash *flash = dev_get_drvdata(&spi->dev); int status; @@ -920,7 +920,7 @@ static struct spi_driver dataflash_driver = { }, .probe = dataflash_probe, - .remove = __devexit_p(dataflash_remove), + .remove = dataflash_remove, /* FIXME: investigate suspend and resume... */ }; diff --git a/drivers/mtd/devices/spear_smi.c b/drivers/mtd/devices/spear_smi.c index dcc3c9511530..2d2c2a5d4d2a 100644 --- a/drivers/mtd/devices/spear_smi.c +++ b/drivers/mtd/devices/spear_smi.c @@ -756,7 +756,7 @@ err_probe: #ifdef CONFIG_OF -static int __devinit spear_smi_probe_config_dt(struct platform_device *pdev, +static int spear_smi_probe_config_dt(struct platform_device *pdev, struct device_node *np) { struct spear_smi_plat_data *pdata = dev_get_platdata(&pdev->dev); @@ -799,7 +799,7 @@ static int __devinit spear_smi_probe_config_dt(struct platform_device *pdev, return 0; } #else -static int __devinit spear_smi_probe_config_dt(struct platform_device *pdev, +static int spear_smi_probe_config_dt(struct platform_device *pdev, struct device_node *np) { return -ENOSYS; @@ -901,7 +901,7 @@ static int spear_smi_setup_banks(struct platform_device *pdev, * and do proper init for any found one. * Returns 0 on success, non zero otherwise */ -static int __devinit spear_smi_probe(struct platform_device *pdev) +static int spear_smi_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct spear_smi_plat_data *pdata = NULL; @@ -1016,7 +1016,7 @@ err: * * free all allocations and delete the partitions. */ -static int __devexit spear_smi_remove(struct platform_device *pdev) +static int spear_smi_remove(struct platform_device *pdev) { struct spear_smi *dev; struct spear_snor_flash *flash; @@ -1092,20 +1092,9 @@ static struct platform_driver spear_smi_driver = { #endif }, .probe = spear_smi_probe, - .remove = __devexit_p(spear_smi_remove), + .remove = spear_smi_remove, }; - -static int spear_smi_init(void) -{ - return platform_driver_register(&spear_smi_driver); -} -module_init(spear_smi_init); - -static void spear_smi_exit(void) -{ - platform_driver_unregister(&spear_smi_driver); -} -module_exit(spear_smi_exit); +module_platform_driver(spear_smi_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Ashish Priyadarshi, Shiraz Hashim <shiraz.hashim@st.com>"); diff --git a/drivers/mtd/devices/sst25l.c b/drivers/mtd/devices/sst25l.c index ab8a2f4c8d60..8091b0163694 100644 --- a/drivers/mtd/devices/sst25l.c +++ b/drivers/mtd/devices/sst25l.c @@ -64,7 +64,7 @@ struct flash_info { #define to_sst25l_flash(x) container_of(x, struct sst25l_flash, mtd) -static struct flash_info __devinitdata sst25l_flash_info[] = { +static struct flash_info sst25l_flash_info[] = { {"sst25lf020a", 0xbf43, 256, 1024, 4096}, {"sst25lf040a", 0xbf44, 256, 2048, 4096}, }; @@ -313,7 +313,7 @@ out: return ret; } -static struct flash_info *__devinit sst25l_match_device(struct spi_device *spi) +static struct flash_info *sst25l_match_device(struct spi_device *spi) { struct flash_info *flash_info = NULL; struct spi_message m; @@ -353,7 +353,7 @@ static struct flash_info *__devinit sst25l_match_device(struct spi_device *spi) return flash_info; } -static int __devinit sst25l_probe(struct spi_device *spi) +static int sst25l_probe(struct spi_device *spi) { struct flash_info *flash_info; struct sst25l_flash *flash; @@ -411,7 +411,7 @@ static int __devinit sst25l_probe(struct spi_device *spi) return 0; } -static int __devexit sst25l_remove(struct spi_device *spi) +static int sst25l_remove(struct spi_device *spi) { struct sst25l_flash *flash = dev_get_drvdata(&spi->dev); int ret; @@ -428,7 +428,7 @@ static struct spi_driver sst25l_driver = { .owner = THIS_MODULE, }, .probe = sst25l_probe, - .remove = __devexit_p(sst25l_remove), + .remove = sst25l_remove, }; module_spi_driver(sst25l_driver); diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index df304868bebb..62ba82c396c2 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -358,13 +358,6 @@ config MTD_IXP2000 IXP2000 based board and would like to use the flash chips on it, say 'Y'. -config MTD_FORTUNET - tristate "CFI Flash device mapped on the FortuNet board" - depends on MTD_CFI && SA1100_FORTUNET - help - This enables access to the Flash on the FortuNet board. If you - have such a board, say 'Y'. - config MTD_AUTCPU12 bool "NV-RAM mapping AUTCPU12 board" depends on ARCH_AUTCPU12 diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index a0240edd1961..4ded28711bc1 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -39,7 +39,6 @@ obj-$(CONFIG_MTD_SOLUTIONENGINE)+= solutionengine.o obj-$(CONFIG_MTD_PCI) += pci.o obj-$(CONFIG_MTD_AUTCPU12) += autcpu12-nvram.o obj-$(CONFIG_MTD_IMPA7) += impa7.o -obj-$(CONFIG_MTD_FORTUNET) += fortunet.o obj-$(CONFIG_MTD_UCLINUX) += uclinux.o obj-$(CONFIG_MTD_NETtel) += nettel.o obj-$(CONFIG_MTD_SCB2_FLASH) += scb2_flash.o diff --git a/drivers/mtd/maps/amd76xrom.c b/drivers/mtd/maps/amd76xrom.c index e2875d6fe129..f7207b0a76dc 100644 --- a/drivers/mtd/maps/amd76xrom.c +++ b/drivers/mtd/maps/amd76xrom.c @@ -100,8 +100,8 @@ static void amd76xrom_cleanup(struct amd76xrom_window *window) } -static int __devinit amd76xrom_init_one (struct pci_dev *pdev, - const struct pci_device_id *ent) +static int amd76xrom_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) { static char *rom_probe_types[] = { "cfi_probe", "jedec_probe", NULL }; u8 byte; @@ -289,7 +289,7 @@ static int __devinit amd76xrom_init_one (struct pci_dev *pdev, } -static void __devexit amd76xrom_remove_one (struct pci_dev *pdev) +static void amd76xrom_remove_one(struct pci_dev *pdev) { struct amd76xrom_window *window = &amd76xrom_window; @@ -347,4 +347,3 @@ module_exit(cleanup_amd76xrom); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Eric Biederman <ebiederman@lnxi.com>"); MODULE_DESCRIPTION("MTD map driver for BIOS chips on the AMD76X southbridge"); - diff --git a/drivers/mtd/maps/autcpu12-nvram.c b/drivers/mtd/maps/autcpu12-nvram.c index 76fb594bb1d9..a2dc2ae4b24e 100644 --- a/drivers/mtd/maps/autcpu12-nvram.c +++ b/drivers/mtd/maps/autcpu12-nvram.c @@ -33,7 +33,7 @@ struct autcpu12_nvram_priv { struct map_info map; }; -static int __devinit autcpu12_nvram_probe(struct platform_device *pdev) +static int autcpu12_nvram_probe(struct platform_device *pdev) { map_word tmp, save0, save1; struct resource *res; @@ -105,7 +105,7 @@ static int __devinit autcpu12_nvram_probe(struct platform_device *pdev) return -ENOMEM; } -static int __devexit autcpu12_nvram_remove(struct platform_device *pdev) +static int autcpu12_nvram_remove(struct platform_device *pdev) { struct autcpu12_nvram_priv *priv = platform_get_drvdata(pdev); @@ -121,7 +121,7 @@ static struct platform_driver autcpu12_nvram_driver = { .owner = THIS_MODULE, }, .probe = autcpu12_nvram_probe, - .remove = __devexit_p(autcpu12_nvram_remove), + .remove = autcpu12_nvram_remove, }; module_platform_driver(autcpu12_nvram_driver); diff --git a/drivers/mtd/maps/bfin-async-flash.c b/drivers/mtd/maps/bfin-async-flash.c index ef5cde84a8b3..f833edfaab79 100644 --- a/drivers/mtd/maps/bfin-async-flash.c +++ b/drivers/mtd/maps/bfin-async-flash.c @@ -30,7 +30,8 @@ #include <linux/io.h> #include <asm/unaligned.h> -#define pr_devinit(fmt, args...) ({ static const __devinitconst char __fmt[] = fmt; printk(__fmt, ## args); }) +#define pr_devinit(fmt, args...) \ + ({ static const char __fmt[] = fmt; printk(__fmt, ## args); }) #define DRIVER_NAME "bfin-async-flash" @@ -123,7 +124,7 @@ static void bfin_flash_copy_to(struct map_info *map, unsigned long to, const voi static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL }; -static int __devinit bfin_flash_probe(struct platform_device *pdev) +static int bfin_flash_probe(struct platform_device *pdev) { int ret; struct physmap_flash_data *pdata = pdev->dev.platform_data; @@ -172,7 +173,7 @@ static int __devinit bfin_flash_probe(struct platform_device *pdev) return 0; } -static int __devexit bfin_flash_remove(struct platform_device *pdev) +static int bfin_flash_remove(struct platform_device *pdev) { struct async_state *state = platform_get_drvdata(pdev); gpio_free(state->enet_flash_pin); @@ -184,7 +185,7 @@ static int __devexit bfin_flash_remove(struct platform_device *pdev) static struct platform_driver bfin_flash_driver = { .probe = bfin_flash_probe, - .remove = __devexit_p(bfin_flash_remove), + .remove = bfin_flash_remove, .driver = { .name = DRIVER_NAME, }, diff --git a/drivers/mtd/maps/ck804xrom.c b/drivers/mtd/maps/ck804xrom.c index 3d0e762fa5f2..586a1c77e48a 100644 --- a/drivers/mtd/maps/ck804xrom.c +++ b/drivers/mtd/maps/ck804xrom.c @@ -112,8 +112,8 @@ static void ck804xrom_cleanup(struct ck804xrom_window *window) } -static int __devinit ck804xrom_init_one (struct pci_dev *pdev, - const struct pci_device_id *ent) +static int ck804xrom_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) { static char *rom_probe_types[] = { "cfi_probe", "jedec_probe", NULL }; u8 byte; @@ -320,7 +320,7 @@ static int __devinit ck804xrom_init_one (struct pci_dev *pdev, } -static void __devexit ck804xrom_remove_one (struct pci_dev *pdev) +static void ck804xrom_remove_one(struct pci_dev *pdev) { struct ck804xrom_window *window = &ck804xrom_window; diff --git a/drivers/mtd/maps/esb2rom.c b/drivers/mtd/maps/esb2rom.c index 08322b1c3e81..ff8681a25831 100644 --- a/drivers/mtd/maps/esb2rom.c +++ b/drivers/mtd/maps/esb2rom.c @@ -144,7 +144,7 @@ static void esb2rom_cleanup(struct esb2rom_window *window) pci_dev_put(window->pdev); } -static int __devinit esb2rom_init_one(struct pci_dev *pdev, +static int esb2rom_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { static char *rom_probe_types[] = { "cfi_probe", "jedec_probe", NULL }; @@ -378,13 +378,13 @@ static int __devinit esb2rom_init_one(struct pci_dev *pdev, return 0; } -static void __devexit esb2rom_remove_one (struct pci_dev *pdev) +static void esb2rom_remove_one(struct pci_dev *pdev) { struct esb2rom_window *window = &esb2rom_window; esb2rom_cleanup(window); } -static struct pci_device_id esb2rom_pci_tbl[] __devinitdata = { +static struct pci_device_id esb2rom_pci_tbl[] = { { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0, PCI_ANY_ID, PCI_ANY_ID, }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0, diff --git a/drivers/mtd/maps/fortunet.c b/drivers/mtd/maps/fortunet.c deleted file mode 100644 index 956e2e4f30ea..000000000000 --- a/drivers/mtd/maps/fortunet.c +++ /dev/null @@ -1,277 +0,0 @@ -/* fortunet.c memory map - * - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/string.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> - -#include <asm/io.h> - -#define MAX_NUM_REGIONS 4 -#define MAX_NUM_PARTITIONS 8 - -#define DEF_WINDOW_ADDR_PHY 0x00000000 -#define DEF_WINDOW_SIZE 0x00800000 // 8 Mega Bytes - -#define MTD_FORTUNET_PK "MTD FortuNet: " - -#define MAX_NAME_SIZE 128 - -struct map_region -{ - int window_addr_physical; - int altbankwidth; - struct map_info map_info; - struct mtd_info *mymtd; - struct mtd_partition parts[MAX_NUM_PARTITIONS]; - char map_name[MAX_NAME_SIZE]; - char parts_name[MAX_NUM_PARTITIONS][MAX_NAME_SIZE]; -}; - -static struct map_region map_regions[MAX_NUM_REGIONS]; -static int map_regions_set[MAX_NUM_REGIONS] = {0,0,0,0}; -static int map_regions_parts[MAX_NUM_REGIONS] = {0,0,0,0}; - - - -struct map_info default_map = { - .size = DEF_WINDOW_SIZE, - .bankwidth = 4, -}; - -static char * __init get_string_option(char *dest,int dest_size,char *sor) -{ - if(!dest_size) - return sor; - dest_size--; - while(*sor) - { - if(*sor==',') - { - sor++; - break; - } - else if(*sor=='\"') - { - sor++; - while(*sor) - { - if(*sor=='\"') - { - sor++; - break; - } - *dest = *sor; - dest++; - sor++; - dest_size--; - if(!dest_size) - { - *dest = 0; - return sor; - } - } - } - else - { - *dest = *sor; - dest++; - sor++; - dest_size--; - if(!dest_size) - { - *dest = 0; - return sor; - } - } - } - *dest = 0; - return sor; -} - -static int __init MTD_New_Region(char *line) -{ - char string[MAX_NAME_SIZE]; - int params[6]; - get_options (get_string_option(string,sizeof(string),line),6,params); - if(params[0]<1) - { - printk(MTD_FORTUNET_PK "Bad parameters for MTD Region " - " name,region-number[,base,size,bankwidth,altbankwidth]\n"); - return 1; - } - if((params[1]<0)||(params[1]>=MAX_NUM_REGIONS)) - { - printk(MTD_FORTUNET_PK "Bad region index of %d only have 0..%u regions\n", - params[1],MAX_NUM_REGIONS-1); - return 1; - } - memset(&map_regions[params[1]],0,sizeof(map_regions[params[1]])); - memcpy(&map_regions[params[1]].map_info, - &default_map,sizeof(map_regions[params[1]].map_info)); - map_regions_set[params[1]] = 1; - map_regions[params[1]].window_addr_physical = DEF_WINDOW_ADDR_PHY; - map_regions[params[1]].altbankwidth = 2; - map_regions[params[1]].mymtd = NULL; - map_regions[params[1]].map_info.name = map_regions[params[1]].map_name; - strcpy(map_regions[params[1]].map_info.name,string); - if(params[0]>1) - { - map_regions[params[1]].window_addr_physical = params[2]; - } - if(params[0]>2) - { - map_regions[params[1]].map_info.size = params[3]; - } - if(params[0]>3) - { - map_regions[params[1]].map_info.bankwidth = params[4]; - } - if(params[0]>4) - { - map_regions[params[1]].altbankwidth = params[5]; - } - return 1; -} - -static int __init MTD_New_Partition(char *line) -{ - char string[MAX_NAME_SIZE]; - int params[4]; - get_options (get_string_option(string,sizeof(string),line),4,params); - if(params[0]<3) - { - printk(MTD_FORTUNET_PK "Bad parameters for MTD Partition " - " name,region-number,size,offset\n"); - return 1; - } - if((params[1]<0)||(params[1]>=MAX_NUM_REGIONS)) - { - printk(MTD_FORTUNET_PK "Bad region index of %d only have 0..%u regions\n", - params[1],MAX_NUM_REGIONS-1); - return 1; - } - if(map_regions_parts[params[1]]>=MAX_NUM_PARTITIONS) - { - printk(MTD_FORTUNET_PK "Out of space for partition in this region\n"); - return 1; - } - map_regions[params[1]].parts[map_regions_parts[params[1]]].name = - map_regions[params[1]]. parts_name[map_regions_parts[params[1]]]; - strcpy(map_regions[params[1]].parts[map_regions_parts[params[1]]].name,string); - map_regions[params[1]].parts[map_regions_parts[params[1]]].size = - params[2]; - map_regions[params[1]].parts[map_regions_parts[params[1]]].offset = - params[3]; - map_regions[params[1]].parts[map_regions_parts[params[1]]].mask_flags = 0; - map_regions_parts[params[1]]++; - return 1; -} - -__setup("MTD_Region=", MTD_New_Region); -__setup("MTD_Partition=", MTD_New_Partition); - -/* Backwards-spelling-compatibility */ -__setup("MTD_Partion=", MTD_New_Partition); - -static int __init init_fortunet(void) -{ - int ix,iy; - for(iy=ix=0;ix<MAX_NUM_REGIONS;ix++) - { - if(map_regions_parts[ix]&&(!map_regions_set[ix])) - { - printk(MTD_FORTUNET_PK "Region %d is not setup (Setting to default)\n", - ix); - memset(&map_regions[ix],0,sizeof(map_regions[ix])); - memcpy(&map_regions[ix].map_info,&default_map, - sizeof(map_regions[ix].map_info)); - map_regions_set[ix] = 1; - map_regions[ix].window_addr_physical = DEF_WINDOW_ADDR_PHY; - map_regions[ix].altbankwidth = 2; - map_regions[ix].mymtd = NULL; - map_regions[ix].map_info.name = map_regions[ix].map_name; - strcpy(map_regions[ix].map_info.name,"FORTUNET"); - } - if(map_regions_set[ix]) - { - iy++; - printk(KERN_NOTICE MTD_FORTUNET_PK "%s flash device at physically " - " address %x size %x\n", - map_regions[ix].map_info.name, - map_regions[ix].window_addr_physical, - map_regions[ix].map_info.size); - - map_regions[ix].map_info.phys = map_regions[ix].window_addr_physical, - - map_regions[ix].map_info.virt = - ioremap_nocache( - map_regions[ix].window_addr_physical, - map_regions[ix].map_info.size); - if(!map_regions[ix].map_info.virt) - { - int j = 0; - printk(MTD_FORTUNET_PK "%s flash failed to ioremap!\n", - map_regions[ix].map_info.name); - for (j = 0 ; j < ix; j++) - iounmap(map_regions[j].map_info.virt); - return -ENXIO; - } - simple_map_init(&map_regions[ix].map_info); - - printk(KERN_NOTICE MTD_FORTUNET_PK "%s flash is virtually at: %x\n", - map_regions[ix].map_info.name, - map_regions[ix].map_info.virt); - map_regions[ix].mymtd = do_map_probe("cfi_probe", - &map_regions[ix].map_info); - if((!map_regions[ix].mymtd)&&( - map_regions[ix].altbankwidth!=map_regions[ix].map_info.bankwidth)) - { - printk(KERN_NOTICE MTD_FORTUNET_PK "Trying alternate bankwidth " - "for %s flash.\n", - map_regions[ix].map_info.name); - map_regions[ix].map_info.bankwidth = - map_regions[ix].altbankwidth; - map_regions[ix].mymtd = do_map_probe("cfi_probe", - &map_regions[ix].map_info); - } - map_regions[ix].mymtd->owner = THIS_MODULE; - mtd_device_register(map_regions[ix].mymtd, - map_regions[ix].parts, - map_regions_parts[ix]); - } - } - if(iy) - return 0; - return -ENXIO; -} - -static void __exit cleanup_fortunet(void) -{ - int ix; - for(ix=0;ix<MAX_NUM_REGIONS;ix++) - { - if(map_regions_set[ix]) - { - if( map_regions[ix].mymtd ) - { - mtd_device_unregister(map_regions[ix].mymtd); - map_destroy( map_regions[ix].mymtd ); - } - iounmap((void *)map_regions[ix].map_info.virt); - } - } -} - -module_init(init_fortunet); -module_exit(cleanup_fortunet); - -MODULE_AUTHOR("FortuNet, Inc."); -MODULE_DESCRIPTION("MTD map driver for FortuNet boards"); diff --git a/drivers/mtd/maps/gpio-addr-flash.c b/drivers/mtd/maps/gpio-addr-flash.c index e4de96ba52b3..7b643de2500b 100644 --- a/drivers/mtd/maps/gpio-addr-flash.c +++ b/drivers/mtd/maps/gpio-addr-flash.c @@ -26,7 +26,8 @@ #include <linux/slab.h> #include <linux/types.h> -#define pr_devinit(fmt, args...) ({ static const __devinitconst char __fmt[] = fmt; printk(__fmt, ## args); }) +#define pr_devinit(fmt, args...) \ + ({ static const char __fmt[] = fmt; printk(__fmt, ## args); }) #define DRIVER_NAME "gpio-addr-flash" #define PFX DRIVER_NAME ": " @@ -142,7 +143,8 @@ static void gf_write(struct map_info *map, map_word d1, unsigned long ofs) * * See gf_copy_from() caveat. */ -static void gf_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len) +static void gf_copy_to(struct map_info *map, unsigned long to, + const void *from, ssize_t len) { struct async_state *state = gf_map_info_to_state(map); @@ -185,7 +187,7 @@ static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL }; * ... * }; */ -static int __devinit gpio_flash_probe(struct platform_device *pdev) +static int gpio_flash_probe(struct platform_device *pdev) { size_t i, arr_size; struct physmap_flash_data *pdata; @@ -258,7 +260,7 @@ static int __devinit gpio_flash_probe(struct platform_device *pdev) return 0; } -static int __devexit gpio_flash_remove(struct platform_device *pdev) +static int gpio_flash_remove(struct platform_device *pdev) { struct async_state *state = platform_get_drvdata(pdev); size_t i = 0; @@ -273,7 +275,7 @@ static int __devexit gpio_flash_remove(struct platform_device *pdev) static struct platform_driver gpio_flash_driver = { .probe = gpio_flash_probe, - .remove = __devexit_p(gpio_flash_remove), + .remove = gpio_flash_remove, .driver = { .name = DRIVER_NAME, }, diff --git a/drivers/mtd/maps/ichxrom.c b/drivers/mtd/maps/ichxrom.c index 6689dcb3124d..c7478e18f485 100644 --- a/drivers/mtd/maps/ichxrom.c +++ b/drivers/mtd/maps/ichxrom.c @@ -84,8 +84,8 @@ static void ichxrom_cleanup(struct ichxrom_window *window) } -static int __devinit ichxrom_init_one (struct pci_dev *pdev, - const struct pci_device_id *ent) +static int ichxrom_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) { static char *rom_probe_types[] = { "cfi_probe", "jedec_probe", NULL }; struct ichxrom_window *window = &ichxrom_window; @@ -315,13 +315,13 @@ static int __devinit ichxrom_init_one (struct pci_dev *pdev, } -static void __devexit ichxrom_remove_one (struct pci_dev *pdev) +static void ichxrom_remove_one(struct pci_dev *pdev) { struct ichxrom_window *window = &ichxrom_window; ichxrom_cleanup(window); } -static struct pci_device_id ichxrom_pci_tbl[] __devinitdata = { +static struct pci_device_id ichxrom_pci_tbl[] = { { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0, PCI_ANY_ID, PCI_ANY_ID, }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0, diff --git a/drivers/mtd/maps/intel_vr_nor.c b/drivers/mtd/maps/intel_vr_nor.c index 93f03175c82d..3ee2ad1dcbe7 100644 --- a/drivers/mtd/maps/intel_vr_nor.c +++ b/drivers/mtd/maps/intel_vr_nor.c @@ -63,24 +63,24 @@ struct vr_nor_mtd { #define TIMING_BYTE_EN (1 << 0) /* 8-bit vs 16-bit bus */ #define TIMING_MASK 0x3FFF0000 -static void __devexit vr_nor_destroy_partitions(struct vr_nor_mtd *p) +static void vr_nor_destroy_partitions(struct vr_nor_mtd *p) { mtd_device_unregister(p->info); } -static int __devinit vr_nor_init_partitions(struct vr_nor_mtd *p) +static int vr_nor_init_partitions(struct vr_nor_mtd *p) { /* register the flash bank */ /* partition the flash bank */ return mtd_device_parse_register(p->info, NULL, NULL, NULL, 0); } -static void __devexit vr_nor_destroy_mtd_setup(struct vr_nor_mtd *p) +static void vr_nor_destroy_mtd_setup(struct vr_nor_mtd *p) { map_destroy(p->info); } -static int __devinit vr_nor_mtd_setup(struct vr_nor_mtd *p) +static int vr_nor_mtd_setup(struct vr_nor_mtd *p) { static const char *probe_types[] = { "cfi_probe", "jedec_probe", NULL }; @@ -96,7 +96,7 @@ static int __devinit vr_nor_mtd_setup(struct vr_nor_mtd *p) return 0; } -static void __devexit vr_nor_destroy_maps(struct vr_nor_mtd *p) +static void vr_nor_destroy_maps(struct vr_nor_mtd *p) { unsigned int exp_timing_cs0; @@ -116,7 +116,7 @@ static void __devexit vr_nor_destroy_maps(struct vr_nor_mtd *p) * Initialize the map_info structure and map the flash. * Returns 0 on success, nonzero otherwise. */ -static int __devinit vr_nor_init_maps(struct vr_nor_mtd *p) +static int vr_nor_init_maps(struct vr_nor_mtd *p) { unsigned long csr_phys, csr_len; unsigned long win_phys, win_len; @@ -176,7 +176,7 @@ static struct pci_device_id vr_nor_pci_ids[] = { {0,} }; -static void __devexit vr_nor_pci_remove(struct pci_dev *dev) +static void vr_nor_pci_remove(struct pci_dev *dev) { struct vr_nor_mtd *p = pci_get_drvdata(dev); @@ -189,7 +189,7 @@ static void __devexit vr_nor_pci_remove(struct pci_dev *dev) pci_disable_device(dev); } -static int __devinit +static int vr_nor_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { struct vr_nor_mtd *p = NULL; @@ -256,7 +256,7 @@ vr_nor_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) static struct pci_driver vr_nor_pci_driver = { .name = DRV_NAME, .probe = vr_nor_pci_probe, - .remove = __devexit_p(vr_nor_pci_remove), + .remove = vr_nor_pci_remove, .id_table = vr_nor_pci_ids, }; diff --git a/drivers/mtd/maps/lantiq-flash.c b/drivers/mtd/maps/lantiq-flash.c index c03456f17004..3c3c791eb96a 100644 --- a/drivers/mtd/maps/lantiq-flash.c +++ b/drivers/mtd/maps/lantiq-flash.c @@ -45,7 +45,7 @@ struct ltq_mtd { }; static const char ltq_map_name[] = "ltq_nor"; -static const char *ltq_probe_types[] __devinitconst = { +static const char *ltq_probe_types[] = { "cmdlinepart", "ofpart", NULL }; static map_word @@ -109,7 +109,7 @@ ltq_copy_to(struct map_info *map, unsigned long to, spin_unlock_irqrestore(&ebu_lock, flags); } -static int __devinit +static int ltq_mtd_probe(struct platform_device *pdev) { struct mtd_part_parser_data ppdata; @@ -185,7 +185,7 @@ err_out: return err; } -static int __devexit +static int ltq_mtd_remove(struct platform_device *pdev) { struct ltq_mtd *ltq_mtd = platform_get_drvdata(pdev); @@ -209,7 +209,7 @@ MODULE_DEVICE_TABLE(of, ltq_mtd_match); static struct platform_driver ltq_mtd_driver = { .probe = ltq_mtd_probe, - .remove = __devexit_p(ltq_mtd_remove), + .remove = ltq_mtd_remove, .driver = { .name = "ltq-nor", .owner = THIS_MODULE, diff --git a/drivers/mtd/maps/latch-addr-flash.c b/drivers/mtd/maps/latch-addr-flash.c index 3c7ad17fca78..ab0fead56b83 100644 --- a/drivers/mtd/maps/latch-addr-flash.c +++ b/drivers/mtd/maps/latch-addr-flash.c @@ -125,7 +125,7 @@ static int latch_addr_flash_remove(struct platform_device *dev) return 0; } -static int __devinit latch_addr_flash_probe(struct platform_device *dev) +static int latch_addr_flash_probe(struct platform_device *dev) { struct latch_addr_flash_data *latch_addr_data; struct latch_addr_flash_info *info; @@ -218,7 +218,7 @@ done: static struct platform_driver latch_addr_flash_driver = { .probe = latch_addr_flash_probe, - .remove = __devexit_p(latch_addr_flash_remove), + .remove = latch_addr_flash_remove, .driver = { .name = DRIVER_NAME, }, diff --git a/drivers/mtd/maps/pci.c b/drivers/mtd/maps/pci.c index 1c30c1a307f4..ed82914966f5 100644 --- a/drivers/mtd/maps/pci.c +++ b/drivers/mtd/maps/pci.c @@ -253,7 +253,7 @@ static struct pci_device_id mtd_pci_ids[] = { * Generic code follows. */ -static int __devinit +static int mtd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { struct mtd_pci_info *info = (struct mtd_pci_info *)id->driver_data; @@ -308,7 +308,7 @@ out: return err; } -static void __devexit +static void mtd_pci_remove(struct pci_dev *dev) { struct mtd_info *mtd = pci_get_drvdata(dev); @@ -326,7 +326,7 @@ mtd_pci_remove(struct pci_dev *dev) static struct pci_driver mtd_pci_driver = { .name = "MTD PCI", .probe = mtd_pci_probe, - .remove = __devexit_p(mtd_pci_remove), + .remove = mtd_pci_remove, .id_table = mtd_pci_ids, }; diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c index 6f19acadb06c..37cdc201652f 100644 --- a/drivers/mtd/maps/physmap_of.c +++ b/drivers/mtd/maps/physmap_of.c @@ -77,7 +77,7 @@ static int of_flash_remove(struct platform_device *dev) /* Helper function to handle probing of the obsolete "direct-mapped" * compatible binding, which has an extra "probe-type" property * describing the type of flash probe necessary. */ -static struct mtd_info * __devinit obsolete_probe(struct platform_device *dev, +static struct mtd_info *obsolete_probe(struct platform_device *dev, struct map_info *map) { struct device_node *dp = dev->dev.of_node; @@ -116,7 +116,7 @@ static struct mtd_info * __devinit obsolete_probe(struct platform_device *dev, information. */ static const char *part_probe_types_def[] = { "cmdlinepart", "RedBoot", "ofpart", "ofoldpart", NULL }; -static const char ** __devinit of_get_probes(struct device_node *dp) +static const char **of_get_probes(struct device_node *dp) { const char *cp; int cplen; @@ -145,14 +145,14 @@ static const char ** __devinit of_get_probes(struct device_node *dp) return res; } -static void __devinit of_free_probes(const char **probes) +static void of_free_probes(const char **probes) { if (probes != part_probe_types_def) kfree(probes); } static struct of_device_id of_flash_match[]; -static int __devinit of_flash_probe(struct platform_device *dev) +static int of_flash_probe(struct platform_device *dev) { const char **part_probe_types; const struct of_device_id *match; @@ -170,6 +170,7 @@ static int __devinit of_flash_probe(struct platform_device *dev) resource_size_t res_size; struct mtd_part_parser_data ppdata; bool map_indirect; + const char *mtd_name; match = of_match_device(of_flash_match, &dev->dev); if (!match) @@ -178,6 +179,8 @@ static int __devinit of_flash_probe(struct platform_device *dev) reg_tuple_size = (of_n_addr_cells(dp) + of_n_size_cells(dp)) * sizeof(u32); + of_property_read_string(dp, "linux,mtd-name", &mtd_name); + /* * Get number of "reg" tuples. Scan for MTD devices on area's * described by each "reg" region. This makes it possible (including @@ -234,7 +237,7 @@ static int __devinit of_flash_probe(struct platform_device *dev) goto err_out; } - info->list[i].map.name = dev_name(&dev->dev); + info->list[i].map.name = mtd_name ?: dev_name(&dev->dev); info->list[i].map.phys = res.start; info->list[i].map.size = res_size; info->list[i].map.bankwidth = be32_to_cpup(width); @@ -282,6 +285,7 @@ static int __devinit of_flash_probe(struct platform_device *dev) } err = 0; + info->cmtd = NULL; if (info->list_size == 1) { info->cmtd = info->list[0].mtd; } else if (info->list_size > 1) { @@ -290,9 +294,10 @@ static int __devinit of_flash_probe(struct platform_device *dev) */ info->cmtd = mtd_concat_create(mtd_list, info->list_size, dev_name(&dev->dev)); - if (info->cmtd == NULL) - err = -ENXIO; } + if (info->cmtd == NULL) + err = -ENXIO; + if (err) goto err_out; diff --git a/drivers/mtd/maps/pismo.c b/drivers/mtd/maps/pismo.c index 65bd1cd4d627..afea93b515d5 100644 --- a/drivers/mtd/maps/pismo.c +++ b/drivers/mtd/maps/pismo.c @@ -58,7 +58,7 @@ static void pismo_set_vpp(struct platform_device *pdev, int on) pismo->vpp(pismo->vpp_data, on); } -static unsigned int __devinit pismo_width_to_bytes(unsigned int width) +static unsigned int pismo_width_to_bytes(unsigned int width) { width &= 15; if (width > 2) @@ -66,7 +66,7 @@ static unsigned int __devinit pismo_width_to_bytes(unsigned int width) return 1 << width; } -static int __devinit pismo_eeprom_read(struct i2c_client *client, void *buf, +static int pismo_eeprom_read(struct i2c_client *client, void *buf, u8 addr, size_t size) { int ret; @@ -88,7 +88,7 @@ static int __devinit pismo_eeprom_read(struct i2c_client *client, void *buf, return ret == ARRAY_SIZE(msg) ? size : -EIO; } -static int __devinit pismo_add_device(struct pismo_data *pismo, int i, +static int pismo_add_device(struct pismo_data *pismo, int i, struct pismo_mem *region, const char *name, void *pdata, size_t psize) { struct platform_device *dev; @@ -129,7 +129,7 @@ static int __devinit pismo_add_device(struct pismo_data *pismo, int i, return ret; } -static int __devinit pismo_add_nor(struct pismo_data *pismo, int i, +static int pismo_add_nor(struct pismo_data *pismo, int i, struct pismo_mem *region) { struct physmap_flash_data data = { @@ -143,7 +143,7 @@ static int __devinit pismo_add_nor(struct pismo_data *pismo, int i, &data, sizeof(data)); } -static int __devinit pismo_add_sram(struct pismo_data *pismo, int i, +static int pismo_add_sram(struct pismo_data *pismo, int i, struct pismo_mem *region) { struct platdata_mtd_ram data = { @@ -154,7 +154,7 @@ static int __devinit pismo_add_sram(struct pismo_data *pismo, int i, &data, sizeof(data)); } -static void __devinit pismo_add_one(struct pismo_data *pismo, int i, +static void pismo_add_one(struct pismo_data *pismo, int i, const struct pismo_cs_block *cs, phys_addr_t base) { struct device *dev = &pismo->client->dev; @@ -197,7 +197,7 @@ static void __devinit pismo_add_one(struct pismo_data *pismo, int i, } } -static int __devexit pismo_remove(struct i2c_client *client) +static int pismo_remove(struct i2c_client *client) { struct pismo_data *pismo = i2c_get_clientdata(client); int i; @@ -210,7 +210,7 @@ static int __devexit pismo_remove(struct i2c_client *client) return 0; } -static int __devinit pismo_probe(struct i2c_client *client, +static int pismo_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); @@ -267,7 +267,7 @@ static struct i2c_driver pismo_driver = { .owner = THIS_MODULE, }, .probe = pismo_probe, - .remove = __devexit_p(pismo_remove), + .remove = pismo_remove, .id_table = pismo_id, }; diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c index 81884c277405..43e3dbb976d9 100644 --- a/drivers/mtd/maps/pxa2xx-flash.c +++ b/drivers/mtd/maps/pxa2xx-flash.c @@ -49,7 +49,7 @@ struct pxa2xx_flash_info { static const char *probes[] = { "RedBoot", "cmdlinepart", NULL }; -static int __devinit pxa2xx_flash_probe(struct platform_device *pdev) +static int pxa2xx_flash_probe(struct platform_device *pdev) { struct flash_platform_data *flash = pdev->dev.platform_data; struct pxa2xx_flash_info *info; @@ -105,7 +105,7 @@ static int __devinit pxa2xx_flash_probe(struct platform_device *pdev) return 0; } -static int __devexit pxa2xx_flash_remove(struct platform_device *dev) +static int pxa2xx_flash_remove(struct platform_device *dev) { struct pxa2xx_flash_info *info = platform_get_drvdata(dev); @@ -139,7 +139,7 @@ static struct platform_driver pxa2xx_flash_driver = { .owner = THIS_MODULE, }, .probe = pxa2xx_flash_probe, - .remove = __devexit_p(pxa2xx_flash_remove), + .remove = pxa2xx_flash_remove, .shutdown = pxa2xx_flash_shutdown, }; diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c index a675bdbcb0fe..f694417cf7e6 100644 --- a/drivers/mtd/maps/sa1100-flash.c +++ b/drivers/mtd/maps/sa1100-flash.c @@ -149,8 +149,8 @@ static void sa1100_destroy(struct sa_info *info, struct flash_platform_data *pla plat->exit(); } -static struct sa_info *__devinit -sa1100_setup_mtd(struct platform_device *pdev, struct flash_platform_data *plat) +static struct sa_info *sa1100_setup_mtd(struct platform_device *pdev, + struct flash_platform_data *plat) { struct sa_info *info; int nr, size, i, ret = 0; @@ -246,7 +246,7 @@ sa1100_setup_mtd(struct platform_device *pdev, struct flash_platform_data *plat) static const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL }; -static int __devinit sa1100_mtd_probe(struct platform_device *pdev) +static int sa1100_mtd_probe(struct platform_device *pdev) { struct flash_platform_data *plat = pdev->dev.platform_data; struct sa_info *info; diff --git a/drivers/mtd/maps/scb2_flash.c b/drivers/mtd/maps/scb2_flash.c index 9dcbc684abdb..71796137e97b 100644 --- a/drivers/mtd/maps/scb2_flash.c +++ b/drivers/mtd/maps/scb2_flash.c @@ -69,7 +69,7 @@ static struct map_info scb2_map = { }; static int region_fail; -static int __devinit +static int scb2_fixup_mtd(struct mtd_info *mtd) { int i; @@ -133,7 +133,7 @@ scb2_fixup_mtd(struct mtd_info *mtd) /* CSB5's 'Function Control Register' has bits for decoding @ >= 0xffc00000 */ #define CSB5_FCR 0x41 #define CSB5_FCR_DECODE_ALL 0x0e -static int __devinit +static int scb2_flash_probe(struct pci_dev *dev, const struct pci_device_id *ent) { u8 reg; @@ -197,7 +197,7 @@ scb2_flash_probe(struct pci_dev *dev, const struct pci_device_id *ent) return 0; } -static void __devexit +static void scb2_flash_remove(struct pci_dev *dev) { if (!scb2_mtd) @@ -231,7 +231,7 @@ static struct pci_driver scb2_flash_driver = { .name = "Intel SCB2 BIOS Flash", .id_table = scb2_flash_pci_ids, .probe = scb2_flash_probe, - .remove = __devexit_p(scb2_flash_remove), + .remove = scb2_flash_remove, }; module_pci_driver(scb2_flash_driver); diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c index 175e537b444f..d467f3b11c96 100644 --- a/drivers/mtd/maps/sun_uflash.c +++ b/drivers/mtd/maps/sun_uflash.c @@ -108,7 +108,7 @@ int uflash_devinit(struct platform_device *op, struct device_node *dp) return 0; } -static int __devinit uflash_probe(struct platform_device *op) +static int uflash_probe(struct platform_device *op) { struct device_node *dp = op->dev.of_node; @@ -121,7 +121,7 @@ static int __devinit uflash_probe(struct platform_device *op) return uflash_devinit(op, dp); } -static int __devexit uflash_remove(struct platform_device *op) +static int uflash_remove(struct platform_device *op) { struct uflash_dev *up = dev_get_drvdata(&op->dev); @@ -155,7 +155,7 @@ static struct platform_driver uflash_driver = { .of_match_table = uflash_match, }, .probe = uflash_probe, - .remove = __devexit_p(uflash_remove), + .remove = uflash_remove, }; module_platform_driver(uflash_driver); diff --git a/drivers/mtd/maps/vmu-flash.c b/drivers/mtd/maps/vmu-flash.c index 2e2b0945edc7..6b223cfe92b7 100644 --- a/drivers/mtd/maps/vmu-flash.c +++ b/drivers/mtd/maps/vmu-flash.c @@ -596,7 +596,7 @@ fail_name: } /* Handles very basic info about the flash, queries for details */ -static int __devinit vmu_connect(struct maple_device *mdev) +static int vmu_connect(struct maple_device *mdev) { unsigned long test_flash_data, basic_flash_data; int c, error; @@ -690,7 +690,7 @@ fail_nomem: return error; } -static void __devexit vmu_disconnect(struct maple_device *mdev) +static void vmu_disconnect(struct maple_device *mdev) { struct memcard *card; struct mdev_part *mpart; @@ -772,7 +772,7 @@ static void vmu_file_error(struct maple_device *mdev, void *recvbuf) } -static int __devinit probe_maple_vmu(struct device *dev) +static int probe_maple_vmu(struct device *dev) { int error; struct maple_device *mdev = to_maple_dev(dev); @@ -789,7 +789,7 @@ static int __devinit probe_maple_vmu(struct device *dev) return 0; } -static int __devexit remove_maple_vmu(struct device *dev) +static int remove_maple_vmu(struct device *dev) { struct maple_device *mdev = to_maple_dev(dev); @@ -802,7 +802,7 @@ static struct maple_driver vmu_flash_driver = { .drv = { .name = "Dreamcast_visual_memory", .probe = probe_maple_vmu, - .remove = __devexit_p(remove_maple_vmu), + .remove = remove_maple_vmu, }, }; diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index f1f06715d4e0..5ad39bb5ab4c 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -32,7 +32,6 @@ #include <linux/hdreg.h> #include <linux/init.h> #include <linux/mutex.h> -#include <linux/kthread.h> #include <asm/uaccess.h> #include "mtdcore.h" @@ -121,16 +120,14 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr, int mtd_blktrans_cease_background(struct mtd_blktrans_dev *dev) { - if (kthread_should_stop()) - return 1; - return dev->bg_stop; } EXPORT_SYMBOL_GPL(mtd_blktrans_cease_background); -static int mtd_blktrans_thread(void *arg) +static void mtd_blktrans_work(struct work_struct *work) { - struct mtd_blktrans_dev *dev = arg; + struct mtd_blktrans_dev *dev = + container_of(work, struct mtd_blktrans_dev, work); struct mtd_blktrans_ops *tr = dev->tr; struct request_queue *rq = dev->rq; struct request *req = NULL; @@ -138,7 +135,7 @@ static int mtd_blktrans_thread(void *arg) spin_lock_irq(rq->queue_lock); - while (!kthread_should_stop()) { + while (1) { int res; dev->bg_stop = false; @@ -156,15 +153,7 @@ static int mtd_blktrans_thread(void *arg) background_done = !dev->bg_stop; continue; } - set_current_state(TASK_INTERRUPTIBLE); - - if (kthread_should_stop()) - set_current_state(TASK_RUNNING); - - spin_unlock_irq(rq->queue_lock); - schedule(); - spin_lock_irq(rq->queue_lock); - continue; + break; } spin_unlock_irq(rq->queue_lock); @@ -185,8 +174,6 @@ static int mtd_blktrans_thread(void *arg) __blk_end_request_all(req, -EIO); spin_unlock_irq(rq->queue_lock); - - return 0; } static void mtd_blktrans_request(struct request_queue *rq) @@ -199,10 +186,8 @@ static void mtd_blktrans_request(struct request_queue *rq) if (!dev) while ((req = blk_fetch_request(rq)) != NULL) __blk_end_request_all(req, -ENODEV); - else { - dev->bg_stop = true; - wake_up_process(dev->thread); - } + else + queue_work(dev->wq, &dev->work); } static int blktrans_open(struct block_device *bdev, fmode_t mode) @@ -325,7 +310,7 @@ unlock: return ret; } -static const struct block_device_operations mtd_blktrans_ops = { +static const struct block_device_operations mtd_block_ops = { .owner = THIS_MODULE, .open = blktrans_open, .release = blktrans_release, @@ -401,7 +386,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) gd->private_data = new; gd->major = tr->major; gd->first_minor = (new->devnum) << tr->part_bits; - gd->fops = &mtd_blktrans_ops; + gd->fops = &mtd_block_ops; if (tr->part_bits) if (new->devnum < 26) @@ -437,14 +422,13 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new) gd->queue = new->rq; - /* Create processing thread */ - /* TODO: workqueue ? */ - new->thread = kthread_run(mtd_blktrans_thread, new, - "%s%d", tr->name, new->mtd->index); - if (IS_ERR(new->thread)) { - ret = PTR_ERR(new->thread); + /* Create processing workqueue */ + new->wq = alloc_workqueue("%s%d", 0, 0, + tr->name, new->mtd->index); + if (!new->wq) goto error4; - } + INIT_WORK(&new->work, mtd_blktrans_work); + gd->driverfs_dev = &new->mtd->dev; if (new->readonly) @@ -484,9 +468,8 @@ int del_mtd_blktrans_dev(struct mtd_blktrans_dev *old) /* Stop new requests to arrive */ del_gendisk(old->disk); - - /* Stop the thread */ - kthread_stop(old->thread); + /* Stop workqueue. This will perform any pending request. */ + destroy_workqueue(old->wq); /* Kill current requests */ spin_lock_irqsave(&old->queue_lock, flags); diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c index f5b3f91fa1cc..97bb8f6304d4 100644 --- a/drivers/mtd/mtdoops.c +++ b/drivers/mtd/mtdoops.c @@ -271,7 +271,7 @@ static void find_next_position(struct mtdoops_context *cxt) if (count[0] == 0xffffffff && count[1] == 0xffffffff) mark_page_unused(cxt, page); - if (count[0] == 0xffffffff) + if (count[0] == 0xffffffff || count[1] != MTDOOPS_KERNMSG_MAGIC) continue; if (maxcount == 0xffffffff) { maxcount = count[0]; @@ -289,14 +289,13 @@ static void find_next_position(struct mtdoops_context *cxt) } } if (maxcount == 0xffffffff) { - cxt->nextpage = 0; - cxt->nextcount = 1; - schedule_work(&cxt->work_erase); - return; + cxt->nextpage = cxt->oops_pages - 1; + cxt->nextcount = 0; + } + else { + cxt->nextpage = maxpos; + cxt->nextcount = maxcount; } - - cxt->nextpage = maxpos; - cxt->nextcount = maxcount; mtdoops_inc_counter(cxt); } diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index dae191b3c081..5819eb575210 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -50,16 +50,30 @@ config MTD_NAND_MUSEUM_IDS of these chips were reused by later, larger chips. config MTD_NAND_DENALI - depends on PCI + tristate "Support Denali NAND controller" + help + Enable support for the Denali NAND controller. This should be + combined with either the PCI or platform drivers to provide device + registration. + +config MTD_NAND_DENALI_PCI tristate "Support Denali NAND controller on Intel Moorestown" + depends on PCI && MTD_NAND_DENALI help Enable the driver for NAND flash on Intel Moorestown, using the Denali NAND controller core. - + +config MTD_NAND_DENALI_DT + tristate "Support Denali NAND controller as a DT device" + depends on HAVE_CLK && MTD_NAND_DENALI + help + Enable the driver for NAND flash on platforms using a Denali NAND + controller as a DT device. + config MTD_NAND_DENALI_SCRATCH_REG_ADDR hex "Denali NAND size scratch register address" default "0xFF108018" - depends on MTD_NAND_DENALI + depends on MTD_NAND_DENALI_PCI help Some platforms place the NAND chip size in a scratch register because (some versions of) the driver aren't able to automatically @@ -433,6 +447,14 @@ config MTD_NAND_GPMI_NAND block, such as SD card. So pay attention to it when you enable the GPMI. +config MTD_NAND_BCM47XXNFLASH + tristate "Support for NAND flash on BCM4706 BCMA bus" + depends on BCMA_NFLASH + help + BCMA bus can have various flash memories attached, they are + registered by bcma as platform devices. This enables driver for + NAND flash memories. For now only BCM4706 is supported. + config MTD_NAND_PLATFORM tristate "Support for generic platform NAND driver" depends on HAS_IOMEM @@ -499,12 +521,6 @@ config MTD_NAND_MXC This enables the driver for the NAND flash controller on the MXC processors. -config MTD_NAND_NOMADIK - tristate "ST Nomadik 8815 NAND support" - depends on ARCH_NOMADIK - help - Driver for the NAND flash controller on the Nomadik, with ECC. - config MTD_NAND_SH_FLCTL tristate "Support for NAND on Renesas SuperH FLCTL" depends on SUPERH || ARCH_SHMOBILE diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile index 6c7f2b3ca8ae..d76d91205691 100644 --- a/drivers/mtd/nand/Makefile +++ b/drivers/mtd/nand/Makefile @@ -11,6 +11,8 @@ obj-$(CONFIG_MTD_SM_COMMON) += sm_common.o obj-$(CONFIG_MTD_NAND_CAFE) += cafe_nand.o obj-$(CONFIG_MTD_NAND_AMS_DELTA) += ams-delta.o obj-$(CONFIG_MTD_NAND_DENALI) += denali.o +obj-$(CONFIG_MTD_NAND_DENALI_PCI) += denali_pci.o +obj-$(CONFIG_MTD_NAND_DENALI_DT) += denali_dt.o obj-$(CONFIG_MTD_NAND_AU1550) += au1550nd.o obj-$(CONFIG_MTD_NAND_BF5XX) += bf5xx_nand.o obj-$(CONFIG_MTD_NAND_PPCHAMELEONEVB) += ppchameleonevb.o @@ -45,11 +47,11 @@ obj-$(CONFIG_MTD_NAND_MXC) += mxc_nand.o obj-$(CONFIG_MTD_NAND_SOCRATES) += socrates_nand.o obj-$(CONFIG_MTD_NAND_TXX9NDFMC) += txx9ndfmc.o obj-$(CONFIG_MTD_NAND_NUC900) += nuc900_nand.o -obj-$(CONFIG_MTD_NAND_NOMADIK) += nomadik_nand.o obj-$(CONFIG_MTD_NAND_MPC5121_NFC) += mpc5121_nfc.o obj-$(CONFIG_MTD_NAND_RICOH) += r852.o obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o obj-$(CONFIG_MTD_NAND_GPMI_NAND) += gpmi-nand/ obj-$(CONFIG_MTD_NAND_XWAY) += xway_nand.o +obj-$(CONFIG_MTD_NAND_BCM47XXNFLASH) += bcm47xxnflash/ nand-objs := nand_base.o nand_bbt.o diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c index 9e7723aa7acc..f1d71cdc8aac 100644 --- a/drivers/mtd/nand/ams-delta.c +++ b/drivers/mtd/nand/ams-delta.c @@ -173,7 +173,7 @@ static const struct gpio _mandatory_gpio[] = { /* * Main initialization routine */ -static int __devinit ams_delta_init(struct platform_device *pdev) +static int ams_delta_init(struct platform_device *pdev) { struct nand_chip *this; struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -270,7 +270,7 @@ out_free: /* * Clean up routine */ -static int __devexit ams_delta_cleanup(struct platform_device *pdev) +static int ams_delta_cleanup(struct platform_device *pdev) { void __iomem *io_base = platform_get_drvdata(pdev); @@ -289,7 +289,7 @@ static int __devexit ams_delta_cleanup(struct platform_device *pdev) static struct platform_driver ams_delta_nand_driver = { .probe = ams_delta_init, - .remove = __devexit_p(ams_delta_cleanup), + .remove = ams_delta_cleanup, .driver = { .name = "ams-delta-nand", .owner = THIS_MODULE, diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index 92623ac2015a..90bdca61c797 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -331,13 +331,13 @@ static void atmel_write_buf(struct mtd_info *mtd, const u8 *buf, int len) * 12-bits 20-bytes 21-bytes * 24-bits 39-bytes 42-bytes */ -static int __devinit pmecc_get_ecc_bytes(int cap, int sector_size) +static int pmecc_get_ecc_bytes(int cap, int sector_size) { int m = 12 + sector_size / 512; return (m * cap + 7) / 8; } -static void __devinit pmecc_config_ecc_layout(struct nand_ecclayout *layout, +static void pmecc_config_ecc_layout(struct nand_ecclayout *layout, int oobsize, int ecc_len) { int i; @@ -353,7 +353,7 @@ static void __devinit pmecc_config_ecc_layout(struct nand_ecclayout *layout, oobsize - ecc_len - layout->oobfree[0].offset; } -static void __devinit __iomem *pmecc_get_alpha_to(struct atmel_nand_host *host) +static void __iomem *pmecc_get_alpha_to(struct atmel_nand_host *host) { int table_size; @@ -375,7 +375,7 @@ static void pmecc_data_free(struct atmel_nand_host *host) kfree(host->pmecc_delta); } -static int __devinit pmecc_data_alloc(struct atmel_nand_host *host) +static int pmecc_data_alloc(struct atmel_nand_host *host) { const int cap = host->pmecc_corr_cap; @@ -724,6 +724,7 @@ static int pmecc_correction(struct mtd_info *mtd, u32 pmecc_stat, uint8_t *buf, struct atmel_nand_host *host = nand_chip->priv; int i, err_nbr, eccbytes; uint8_t *buf_pos; + int total_err = 0; eccbytes = nand_chip->ecc.bytes; for (i = 0; i < eccbytes; i++) @@ -751,12 +752,13 @@ normal_check: pmecc_correct_data(mtd, buf_pos, ecc, i, host->pmecc_bytes_per_sector, err_nbr); mtd->ecc_stats.corrected += err_nbr; + total_err += err_nbr; } } pmecc_stat >>= 1; } - return 0; + return total_err; } static int atmel_nand_pmecc_read_page(struct mtd_info *mtd, @@ -768,6 +770,7 @@ static int atmel_nand_pmecc_read_page(struct mtd_info *mtd, uint32_t *eccpos = chip->ecc.layout->eccpos; uint32_t stat; unsigned long end_time; + int bitflips = 0; pmecc_writel(host->ecc, CTRL, PMECC_CTRL_RST); pmecc_writel(host->ecc, CTRL, PMECC_CTRL_DISABLE); @@ -790,11 +793,14 @@ static int atmel_nand_pmecc_read_page(struct mtd_info *mtd, } stat = pmecc_readl_relaxed(host->ecc, ISR); - if (stat != 0) - if (pmecc_correction(mtd, stat, buf, &oob[eccpos[0]]) != 0) - return -EIO; + if (stat != 0) { + bitflips = pmecc_correction(mtd, stat, buf, &oob[eccpos[0]]); + if (bitflips < 0) + /* uncorrectable errors */ + return 0; + } - return 0; + return bitflips; } static int atmel_nand_pmecc_write_page(struct mtd_info *mtd, @@ -1206,7 +1212,7 @@ static void atmel_nand_hwctl(struct mtd_info *mtd, int mode) } #if defined(CONFIG_OF) -static int __devinit atmel_of_init_port(struct atmel_nand_host *host, +static int atmel_of_init_port(struct atmel_nand_host *host, struct device_node *np) { u32 val, table_offset; @@ -1293,7 +1299,7 @@ static int __devinit atmel_of_init_port(struct atmel_nand_host *host, return 0; } #else -static int __devinit atmel_of_init_port(struct atmel_nand_host *host, +static int atmel_of_init_port(struct atmel_nand_host *host, struct device_node *np) { return -EINVAL; diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c index 5c47b200045a..217459d02b2f 100644 --- a/drivers/mtd/nand/au1550nd.c +++ b/drivers/mtd/nand/au1550nd.c @@ -382,7 +382,7 @@ static void au1550_command(struct mtd_info *mtd, unsigned command, int column, i while(!this->dev_ready(mtd)); } -static int __devinit find_nand_cs(unsigned long nand_base) +static int find_nand_cs(unsigned long nand_base) { void __iomem *base = (void __iomem *)KSEG1ADDR(AU1000_STATIC_MEM_PHYS_ADDR); @@ -403,7 +403,7 @@ static int __devinit find_nand_cs(unsigned long nand_base) return -ENODEV; } -static int __devinit au1550nd_probe(struct platform_device *pdev) +static int au1550nd_probe(struct platform_device *pdev) { struct au1550nd_platdata *pd; struct au1550nd_ctx *ctx; @@ -491,7 +491,7 @@ out1: return ret; } -static int __devexit au1550nd_remove(struct platform_device *pdev) +static int au1550nd_remove(struct platform_device *pdev) { struct au1550nd_ctx *ctx = platform_get_drvdata(pdev); struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -509,7 +509,7 @@ static struct platform_driver au1550nd_driver = { .owner = THIS_MODULE, }, .probe = au1550nd_probe, - .remove = __devexit_p(au1550nd_remove), + .remove = au1550nd_remove, }; module_platform_driver(au1550nd_driver); diff --git a/drivers/mtd/nand/bcm47xxnflash/Makefile b/drivers/mtd/nand/bcm47xxnflash/Makefile new file mode 100644 index 000000000000..f05b119e134b --- /dev/null +++ b/drivers/mtd/nand/bcm47xxnflash/Makefile @@ -0,0 +1,4 @@ +bcm47xxnflash-y += main.o +bcm47xxnflash-y += ops_bcm4706.o + +obj-$(CONFIG_MTD_NAND_BCM47XXNFLASH) += bcm47xxnflash.o diff --git a/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h b/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h new file mode 100644 index 000000000000..0bdb2ce4da75 --- /dev/null +++ b/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h @@ -0,0 +1,22 @@ +#ifndef __BCM47XXNFLASH_H +#define __BCM47XXNFLASH_H + +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> + +struct bcm47xxnflash { + struct bcma_drv_cc *cc; + + struct nand_chip nand_chip; + struct mtd_info mtd; + + unsigned curr_command; + int curr_page_addr; + int curr_column; + + u8 id_data[8]; +}; + +int bcm47xxnflash_ops_bcm4706_init(struct bcm47xxnflash *b47n); + +#endif /* BCM47XXNFLASH */ diff --git a/drivers/mtd/nand/bcm47xxnflash/main.c b/drivers/mtd/nand/bcm47xxnflash/main.c new file mode 100644 index 000000000000..2b8b05bec3dd --- /dev/null +++ b/drivers/mtd/nand/bcm47xxnflash/main.c @@ -0,0 +1,108 @@ +/* + * BCM47XX NAND flash driver + * + * Copyright (C) 2012 RafaÅ‚ MiÅ‚ecki <zajec5@gmail.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/module.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/platform_device.h> +#include <linux/bcma/bcma.h> + +#include "bcm47xxnflash.h" + +MODULE_DESCRIPTION("NAND flash driver for BCMA bus"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("RafaÅ‚ MiÅ‚ecki"); + +static const char *probes[] = { "bcm47xxpart", NULL }; + +static int bcm47xxnflash_probe(struct platform_device *pdev) +{ + struct bcma_nflash *nflash = dev_get_platdata(&pdev->dev); + struct bcm47xxnflash *b47n; + int err = 0; + + b47n = kzalloc(sizeof(*b47n), GFP_KERNEL); + if (!b47n) { + err = -ENOMEM; + goto out; + } + + b47n->nand_chip.priv = b47n; + b47n->mtd.owner = THIS_MODULE; + b47n->mtd.priv = &b47n->nand_chip; /* Required */ + b47n->cc = container_of(nflash, struct bcma_drv_cc, nflash); + + if (b47n->cc->core->bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) { + err = bcm47xxnflash_ops_bcm4706_init(b47n); + } else { + pr_err("Device not supported\n"); + err = -ENOTSUPP; + } + if (err) { + pr_err("Initialization failed: %d\n", err); + goto err_init; + } + + err = mtd_device_parse_register(&b47n->mtd, probes, NULL, NULL, 0); + if (err) { + pr_err("Failed to register MTD device: %d\n", err); + goto err_dev_reg; + } + + return 0; + +err_dev_reg: +err_init: + kfree(b47n); +out: + return err; +} + +static int __devexit bcm47xxnflash_remove(struct platform_device *pdev) +{ + struct bcma_nflash *nflash = dev_get_platdata(&pdev->dev); + + if (nflash->mtd) + mtd_device_unregister(nflash->mtd); + + return 0; +} + +static struct platform_driver bcm47xxnflash_driver = { + .remove = __devexit_p(bcm47xxnflash_remove), + .driver = { + .name = "bcma_nflash", + .owner = THIS_MODULE, + }, +}; + +static int __init bcm47xxnflash_init(void) +{ + int err; + + /* + * Platform device "bcma_nflash" exists on SoCs and is registered very + * early, it won't be added during runtime (use platform_driver_probe). + */ + err = platform_driver_probe(&bcm47xxnflash_driver, bcm47xxnflash_probe); + if (err) + pr_err("Failed to register serial flash driver: %d\n", err); + + return err; +} + +static void __exit bcm47xxnflash_exit(void) +{ + platform_driver_unregister(&bcm47xxnflash_driver); +} + +module_init(bcm47xxnflash_init); +module_exit(bcm47xxnflash_exit); diff --git a/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c new file mode 100644 index 000000000000..86c9a79b89b3 --- /dev/null +++ b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c @@ -0,0 +1,413 @@ +/* + * BCM47XX NAND flash driver + * + * Copyright (C) 2012 RafaÅ‚ MiÅ‚ecki <zajec5@gmail.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/module.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/bcma/bcma.h> + +#include "bcm47xxnflash.h" + +/* Broadcom uses 1'000'000 but it seems to be too many. Tests on WNDR4500 has + * shown 164 retries as maxiumum. */ +#define NFLASH_READY_RETRIES 1000 + +#define NFLASH_SECTOR_SIZE 512 + +#define NCTL_CMD0 0x00010000 +#define NCTL_CMD1W 0x00080000 +#define NCTL_READ 0x00100000 +#define NCTL_WRITE 0x00200000 +#define NCTL_SPECADDR 0x01000000 +#define NCTL_READY 0x04000000 +#define NCTL_ERR 0x08000000 +#define NCTL_CSA 0x40000000 +#define NCTL_START 0x80000000 + +/************************************************** + * Various helpers + **************************************************/ + +static inline u8 bcm47xxnflash_ops_bcm4706_ns_to_cycle(u16 ns, u16 clock) +{ + return ((ns * 1000 * clock) / 1000000) + 1; +} + +static int bcm47xxnflash_ops_bcm4706_ctl_cmd(struct bcma_drv_cc *cc, u32 code) +{ + int i = 0; + + bcma_cc_write32(cc, BCMA_CC_NFLASH_CTL, NCTL_START | code); + for (i = 0; i < NFLASH_READY_RETRIES; i++) { + if (!(bcma_cc_read32(cc, BCMA_CC_NFLASH_CTL) & NCTL_START)) { + i = 0; + break; + } + } + if (i) { + pr_err("NFLASH control command not ready!\n"); + return -EBUSY; + } + return 0; +} + +static int bcm47xxnflash_ops_bcm4706_poll(struct bcma_drv_cc *cc) +{ + int i; + + for (i = 0; i < NFLASH_READY_RETRIES; i++) { + if (bcma_cc_read32(cc, BCMA_CC_NFLASH_CTL) & NCTL_READY) { + if (bcma_cc_read32(cc, BCMA_CC_NFLASH_CTL) & + BCMA_CC_NFLASH_CTL_ERR) { + pr_err("Error on polling\n"); + return -EBUSY; + } else { + return 0; + } + } + } + + pr_err("Polling timeout!\n"); + return -EBUSY; +} + +/************************************************** + * R/W + **************************************************/ + +static void bcm47xxnflash_ops_bcm4706_read(struct mtd_info *mtd, uint8_t *buf, + int len) +{ + struct nand_chip *nand_chip = (struct nand_chip *)mtd->priv; + struct bcm47xxnflash *b47n = (struct bcm47xxnflash *)nand_chip->priv; + + u32 ctlcode; + u32 *dest = (u32 *)buf; + int i; + int toread; + + BUG_ON(b47n->curr_page_addr & ~nand_chip->pagemask); + /* Don't validate column using nand_chip->page_shift, it may be bigger + * when accessing OOB */ + + while (len) { + /* We can read maximum of 0x200 bytes at once */ + toread = min(len, 0x200); + + /* Set page and column */ + bcma_cc_write32(b47n->cc, BCMA_CC_NFLASH_COL_ADDR, + b47n->curr_column); + bcma_cc_write32(b47n->cc, BCMA_CC_NFLASH_ROW_ADDR, + b47n->curr_page_addr); + + /* Prepare to read */ + ctlcode = NCTL_CSA | NCTL_CMD1W | 0x00040000 | 0x00020000 | + NCTL_CMD0; + ctlcode |= NAND_CMD_READSTART << 8; + if (bcm47xxnflash_ops_bcm4706_ctl_cmd(b47n->cc, ctlcode)) + return; + if (bcm47xxnflash_ops_bcm4706_poll(b47n->cc)) + return; + + /* Eventually read some data :) */ + for (i = 0; i < toread; i += 4, dest++) { + ctlcode = NCTL_CSA | 0x30000000 | NCTL_READ; + if (i == toread - 4) /* Last read goes without that */ + ctlcode &= ~NCTL_CSA; + if (bcm47xxnflash_ops_bcm4706_ctl_cmd(b47n->cc, + ctlcode)) + return; + *dest = bcma_cc_read32(b47n->cc, BCMA_CC_NFLASH_DATA); + } + + b47n->curr_column += toread; + len -= toread; + } +} + +static void bcm47xxnflash_ops_bcm4706_write(struct mtd_info *mtd, + const uint8_t *buf, int len) +{ + struct nand_chip *nand_chip = (struct nand_chip *)mtd->priv; + struct bcm47xxnflash *b47n = (struct bcm47xxnflash *)nand_chip->priv; + struct bcma_drv_cc *cc = b47n->cc; + + u32 ctlcode; + const u32 *data = (u32 *)buf; + int i; + + BUG_ON(b47n->curr_page_addr & ~nand_chip->pagemask); + /* Don't validate column using nand_chip->page_shift, it may be bigger + * when accessing OOB */ + + for (i = 0; i < len; i += 4, data++) { + bcma_cc_write32(cc, BCMA_CC_NFLASH_DATA, *data); + + ctlcode = NCTL_CSA | 0x30000000 | NCTL_WRITE; + if (i == len - 4) /* Last read goes without that */ + ctlcode &= ~NCTL_CSA; + if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, ctlcode)) { + pr_err("%s ctl_cmd didn't work!\n", __func__); + return; + } + } + + b47n->curr_column += len; +} + +/************************************************** + * NAND chip ops + **************************************************/ + +/* Default nand_select_chip calls cmd_ctrl, which is not used in BCM4706 */ +static void bcm47xxnflash_ops_bcm4706_select_chip(struct mtd_info *mtd, + int chip) +{ + return; +} + +/* + * Default nand_command and nand_command_lp don't match BCM4706 hardware layout. + * For example, reading chip id is performed in a non-standard way. + * Setting column and page is also handled differently, we use a special + * registers of ChipCommon core. Hacking cmd_ctrl to understand and convert + * standard commands would be much more complicated. + */ +static void bcm47xxnflash_ops_bcm4706_cmdfunc(struct mtd_info *mtd, + unsigned command, int column, + int page_addr) +{ + struct nand_chip *nand_chip = (struct nand_chip *)mtd->priv; + struct bcm47xxnflash *b47n = (struct bcm47xxnflash *)nand_chip->priv; + struct bcma_drv_cc *cc = b47n->cc; + u32 ctlcode; + int i; + + if (column != -1) + b47n->curr_column = column; + if (page_addr != -1) + b47n->curr_page_addr = page_addr; + + switch (command) { + case NAND_CMD_RESET: + pr_warn("Chip reset not implemented yet\n"); + break; + case NAND_CMD_READID: + ctlcode = NCTL_CSA | 0x01000000 | NCTL_CMD1W | NCTL_CMD0; + ctlcode |= NAND_CMD_READID; + if (bcm47xxnflash_ops_bcm4706_ctl_cmd(b47n->cc, ctlcode)) { + pr_err("READID error\n"); + break; + } + + /* + * Reading is specific, last one has to go without NCTL_CSA + * bit. We don't know how many reads NAND subsystem is going + * to perform, so cache everything. + */ + for (i = 0; i < ARRAY_SIZE(b47n->id_data); i++) { + ctlcode = NCTL_CSA | NCTL_READ; + if (i == ARRAY_SIZE(b47n->id_data) - 1) + ctlcode &= ~NCTL_CSA; + if (bcm47xxnflash_ops_bcm4706_ctl_cmd(b47n->cc, + ctlcode)) { + pr_err("READID error\n"); + break; + } + b47n->id_data[i] = + bcma_cc_read32(b47n->cc, BCMA_CC_NFLASH_DATA) + & 0xFF; + } + + break; + case NAND_CMD_STATUS: + ctlcode = NCTL_CSA | NCTL_CMD0 | NAND_CMD_STATUS; + if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, ctlcode)) + pr_err("STATUS command error\n"); + break; + case NAND_CMD_READ0: + break; + case NAND_CMD_READOOB: + if (page_addr != -1) + b47n->curr_column += mtd->writesize; + break; + case NAND_CMD_ERASE1: + bcma_cc_write32(cc, BCMA_CC_NFLASH_ROW_ADDR, + b47n->curr_page_addr); + ctlcode = 0x00040000 | NCTL_CMD1W | NCTL_CMD0 | + NAND_CMD_ERASE1 | (NAND_CMD_ERASE2 << 8); + if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, ctlcode)) + pr_err("ERASE1 failed\n"); + break; + case NAND_CMD_ERASE2: + break; + case NAND_CMD_SEQIN: + /* Set page and column */ + bcma_cc_write32(cc, BCMA_CC_NFLASH_COL_ADDR, + b47n->curr_column); + bcma_cc_write32(cc, BCMA_CC_NFLASH_ROW_ADDR, + b47n->curr_page_addr); + + /* Prepare to write */ + ctlcode = 0x40000000 | 0x00040000 | 0x00020000 | 0x00010000; + ctlcode |= NAND_CMD_SEQIN; + if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, ctlcode)) + pr_err("SEQIN failed\n"); + break; + case NAND_CMD_PAGEPROG: + if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, 0x00010000 | + NAND_CMD_PAGEPROG)) + pr_err("PAGEPROG failed\n"); + if (bcm47xxnflash_ops_bcm4706_poll(cc)) + pr_err("PAGEPROG not ready\n"); + break; + default: + pr_err("Command 0x%X unsupported\n", command); + break; + } + b47n->curr_command = command; +} + +static u8 bcm47xxnflash_ops_bcm4706_read_byte(struct mtd_info *mtd) +{ + struct nand_chip *nand_chip = (struct nand_chip *)mtd->priv; + struct bcm47xxnflash *b47n = (struct bcm47xxnflash *)nand_chip->priv; + struct bcma_drv_cc *cc = b47n->cc; + u32 tmp = 0; + + switch (b47n->curr_command) { + case NAND_CMD_READID: + if (b47n->curr_column >= ARRAY_SIZE(b47n->id_data)) { + pr_err("Requested invalid id_data: %d\n", + b47n->curr_column); + return 0; + } + return b47n->id_data[b47n->curr_column++]; + case NAND_CMD_STATUS: + if (bcm47xxnflash_ops_bcm4706_ctl_cmd(cc, NCTL_READ)) + return 0; + return bcma_cc_read32(cc, BCMA_CC_NFLASH_DATA) & 0xff; + case NAND_CMD_READOOB: + bcm47xxnflash_ops_bcm4706_read(mtd, (u8 *)&tmp, 4); + return tmp & 0xFF; + } + + pr_err("Invalid command for byte read: 0x%X\n", b47n->curr_command); + return 0; +} + +static void bcm47xxnflash_ops_bcm4706_read_buf(struct mtd_info *mtd, + uint8_t *buf, int len) +{ + struct nand_chip *nand_chip = (struct nand_chip *)mtd->priv; + struct bcm47xxnflash *b47n = (struct bcm47xxnflash *)nand_chip->priv; + + switch (b47n->curr_command) { + case NAND_CMD_READ0: + case NAND_CMD_READOOB: + bcm47xxnflash_ops_bcm4706_read(mtd, buf, len); + return; + } + + pr_err("Invalid command for buf read: 0x%X\n", b47n->curr_command); +} + +static void bcm47xxnflash_ops_bcm4706_write_buf(struct mtd_info *mtd, + const uint8_t *buf, int len) +{ + struct nand_chip *nand_chip = (struct nand_chip *)mtd->priv; + struct bcm47xxnflash *b47n = (struct bcm47xxnflash *)nand_chip->priv; + + switch (b47n->curr_command) { + case NAND_CMD_SEQIN: + bcm47xxnflash_ops_bcm4706_write(mtd, buf, len); + return; + } + + pr_err("Invalid command for buf write: 0x%X\n", b47n->curr_command); +} + +/************************************************** + * Init + **************************************************/ + +int bcm47xxnflash_ops_bcm4706_init(struct bcm47xxnflash *b47n) +{ + int err; + u32 freq; + u16 clock; + u8 w0, w1, w2, w3, w4; + + unsigned long chipsize; /* MiB */ + u8 tbits, col_bits, col_size, row_bits, row_bsize; + u32 val; + + b47n->nand_chip.select_chip = bcm47xxnflash_ops_bcm4706_select_chip; + b47n->nand_chip.cmdfunc = bcm47xxnflash_ops_bcm4706_cmdfunc; + b47n->nand_chip.read_byte = bcm47xxnflash_ops_bcm4706_read_byte; + b47n->nand_chip.read_buf = bcm47xxnflash_ops_bcm4706_read_buf; + b47n->nand_chip.write_buf = bcm47xxnflash_ops_bcm4706_write_buf; + b47n->nand_chip.bbt_options = NAND_BBT_USE_FLASH; + b47n->nand_chip.ecc.mode = NAND_ECC_NONE; /* TODO: implement ECC */ + + /* Enable NAND flash access */ + bcma_cc_set32(b47n->cc, BCMA_CC_4706_FLASHSCFG, + BCMA_CC_4706_FLASHSCFG_NF1); + + /* Configure wait counters */ + if (b47n->cc->status & BCMA_CC_CHIPST_4706_PKG_OPTION) { + freq = 100000000; + } else { + freq = bcma_chipco_pll_read(b47n->cc, 4); + freq = (freq * 0xFFF) >> 3; + freq = (freq * 25000000) >> 3; + } + clock = freq / 1000000; + w0 = bcm47xxnflash_ops_bcm4706_ns_to_cycle(15, clock); + w1 = bcm47xxnflash_ops_bcm4706_ns_to_cycle(20, clock); + w2 = bcm47xxnflash_ops_bcm4706_ns_to_cycle(10, clock); + w3 = bcm47xxnflash_ops_bcm4706_ns_to_cycle(10, clock); + w4 = bcm47xxnflash_ops_bcm4706_ns_to_cycle(100, clock); + bcma_cc_write32(b47n->cc, BCMA_CC_NFLASH_WAITCNT0, + (w4 << 24 | w3 << 18 | w2 << 12 | w1 << 6 | w0)); + + /* Scan NAND */ + err = nand_scan(&b47n->mtd, 1); + if (err) { + pr_err("Could not scan NAND flash: %d\n", err); + goto exit; + } + + /* Configure FLASH */ + chipsize = b47n->nand_chip.chipsize >> 20; + tbits = ffs(chipsize); /* find first bit set */ + if (!tbits || tbits != fls(chipsize)) { + pr_err("Invalid flash size: 0x%lX\n", chipsize); + err = -ENOTSUPP; + goto exit; + } + tbits += 19; /* Broadcom increases *index* by 20, we increase *pos* */ + + col_bits = b47n->nand_chip.page_shift + 1; + col_size = (col_bits + 7) / 8; + + row_bits = tbits - col_bits + 1; + row_bsize = (row_bits + 7) / 8; + + val = ((row_bsize - 1) << 6) | ((col_size - 1) << 4) | 2; + bcma_cc_write32(b47n->cc, BCMA_CC_NFLASH_CONF, val); + +exit: + if (err) + bcma_cc_mask32(b47n->cc, BCMA_CC_4706_FLASHSCFG, + ~BCMA_CC_4706_FLASHSCFG_NF1); + return err; +} diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c index ab0caa74eb43..4271e948d1e2 100644 --- a/drivers/mtd/nand/bf5xx_nand.c +++ b/drivers/mtd/nand/bf5xx_nand.c @@ -658,7 +658,7 @@ static int bf5xx_nand_hw_init(struct bf5xx_nand_info *info) /* * Device management interface */ -static int __devinit bf5xx_nand_add_partition(struct bf5xx_nand_info *info) +static int bf5xx_nand_add_partition(struct bf5xx_nand_info *info) { struct mtd_info *mtd = &info->mtd; struct mtd_partition *parts = info->platform->partitions; @@ -667,7 +667,7 @@ static int __devinit bf5xx_nand_add_partition(struct bf5xx_nand_info *info) return mtd_device_register(mtd, parts, nr); } -static int __devexit bf5xx_nand_remove(struct platform_device *pdev) +static int bf5xx_nand_remove(struct platform_device *pdev) { struct bf5xx_nand_info *info = to_nand_info(pdev); @@ -725,7 +725,7 @@ static int bf5xx_nand_scan(struct mtd_info *mtd) * it can allocate all necessary resources then calls the * nand layer to look for devices */ -static int __devinit bf5xx_nand_probe(struct platform_device *pdev) +static int bf5xx_nand_probe(struct platform_device *pdev) { struct bf5xx_nand_platform *plat = to_nand_plat(pdev); struct bf5xx_nand_info *info = NULL; @@ -865,7 +865,7 @@ static int bf5xx_nand_resume(struct platform_device *dev) /* driver device registration */ static struct platform_driver bf5xx_nand_driver = { .probe = bf5xx_nand_probe, - .remove = __devexit_p(bf5xx_nand_remove), + .remove = bf5xx_nand_remove, .suspend = bf5xx_nand_suspend, .resume = bf5xx_nand_resume, .driver = { diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c index 2bb7170502c2..010d61266536 100644 --- a/drivers/mtd/nand/cafe_nand.c +++ b/drivers/mtd/nand/cafe_nand.c @@ -585,7 +585,7 @@ static int cafe_nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) } /* F_2[X]/(X**6+X+1) */ -static unsigned short __devinit gf64_mul(u8 a, u8 b) +static unsigned short gf64_mul(u8 a, u8 b) { u8 c; unsigned int i; @@ -604,7 +604,7 @@ static unsigned short __devinit gf64_mul(u8 a, u8 b) } /* F_64[X]/(X**2+X+A**-1) with A the generator of F_64[X] */ -static u16 __devinit gf4096_mul(u16 a, u16 b) +static u16 gf4096_mul(u16 a, u16 b) { u8 ah, al, bh, bl, ch, cl; @@ -619,14 +619,14 @@ static u16 __devinit gf4096_mul(u16 a, u16 b) return (ch << 6) ^ cl; } -static int __devinit cafe_mul(int x) +static int cafe_mul(int x) { if (x == 0) return 1; return gf4096_mul(x, 0xe01); } -static int __devinit cafe_nand_probe(struct pci_dev *pdev, +static int cafe_nand_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct mtd_info *mtd; @@ -821,7 +821,7 @@ static int __devinit cafe_nand_probe(struct pci_dev *pdev, return err; } -static void __devexit cafe_nand_remove(struct pci_dev *pdev) +static void cafe_nand_remove(struct pci_dev *pdev) { struct mtd_info *mtd = pci_get_drvdata(pdev); struct cafe_priv *cafe = mtd->priv; @@ -887,7 +887,7 @@ static struct pci_driver cafe_nand_pci_driver = { .name = "CAFÉ NAND", .id_table = cafe_nand_tbl, .probe = cafe_nand_probe, - .remove = __devexit_p(cafe_nand_remove), + .remove = cafe_nand_remove, .resume = cafe_nand_resume, }; diff --git a/drivers/mtd/nand/cs553x_nand.c b/drivers/mtd/nand/cs553x_nand.c index adb6c3ef37fb..2cdeab8bebc4 100644 --- a/drivers/mtd/nand/cs553x_nand.c +++ b/drivers/mtd/nand/cs553x_nand.c @@ -237,6 +237,7 @@ static int __init cs553x_init_one(int cs, int mmio, unsigned long adr) this->ecc.hwctl = cs_enable_hwecc; this->ecc.calculate = cs_calculate_ecc; this->ecc.correct = nand_correct_data; + this->ecc.strength = 1; /* Enable the following for a flash based bad block table */ this->bbt_options = NAND_BBT_USE_FLASH; @@ -247,8 +248,6 @@ static int __init cs553x_init_one(int cs, int mmio, unsigned long adr) goto out_ior; } - this->ecc.strength = 1; - new_mtd->name = kasprintf(GFP_KERNEL, "cs553x_nand_cs%d", cs); cs553x_mtd[cs] = new_mtd; diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c index 945047ad0952..3502606f6480 100644 --- a/drivers/mtd/nand/davinci_nand.c +++ b/drivers/mtd/nand/davinci_nand.c @@ -821,9 +821,16 @@ syndrome_done: if (ret < 0) goto err_scan; - ret = mtd_device_parse_register(&info->mtd, NULL, NULL, pdata->parts, - pdata->nr_parts); - + if (pdata->parts) + ret = mtd_device_parse_register(&info->mtd, NULL, NULL, + pdata->parts, pdata->nr_parts); + else { + struct mtd_part_parser_data ppdata; + + ppdata.of_node = pdev->dev.of_node; + ret = mtd_device_parse_register(&info->mtd, NULL, &ppdata, + NULL, 0); + } if (ret < 0) goto err_scan; diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c index e706a237170f..0c8bb6bf8424 100644 --- a/drivers/mtd/nand/denali.c +++ b/drivers/mtd/nand/denali.c @@ -16,14 +16,12 @@ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. * */ - #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/wait.h> #include <linux/mutex.h> #include <linux/slab.h> -#include <linux/pci.h> #include <linux/mtd/mtd.h> #include <linux/module.h> @@ -89,13 +87,6 @@ MODULE_PARM_DESC(onfi_timing_mode, "Overrides default ONFI setting." * format the bank into the proper bits for the controller */ #define BANK(x) ((x) << 24) -/* List of platforms this NAND controller has be integrated into */ -static const struct pci_device_id denali_pci_ids[] = { - { PCI_VDEVICE(INTEL, 0x0701), INTEL_CE4100 }, - { PCI_VDEVICE(INTEL, 0x0809), INTEL_MRST }, - { /* end: all zeroes */ } -}; - /* forward declarations */ static void clear_interrupts(struct denali_nand_info *denali); static uint32_t wait_for_irq(struct denali_nand_info *denali, @@ -699,7 +690,7 @@ static uint32_t wait_for_irq(struct denali_nand_info *denali, uint32_t irq_mask) if (comp_res == 0) { /* timeout */ - printk(KERN_ERR "timeout occurred, status = 0x%x, mask = 0x%x\n", + pr_err("timeout occurred, status = 0x%x, mask = 0x%x\n", intr_status, irq_mask); intr_status = 0; @@ -1305,8 +1296,7 @@ static void denali_cmdfunc(struct mtd_info *mtd, unsigned int cmd, int col, /* TODO: Read OOB data */ break; default: - printk(KERN_ERR ": unsupported command" - " received 0x%x\n", cmd); + pr_err(": unsupported command received 0x%x\n", cmd); break; } } @@ -1425,107 +1415,48 @@ void denali_drv_init(struct denali_nand_info *denali) denali->irq_status = 0; } -/* driver entry point */ -static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) +int denali_init(struct denali_nand_info *denali) { - int ret = -ENODEV; - resource_size_t csr_base, mem_base; - unsigned long csr_len, mem_len; - struct denali_nand_info *denali; - - denali = kzalloc(sizeof(*denali), GFP_KERNEL); - if (!denali) - return -ENOMEM; + int ret; - ret = pci_enable_device(dev); - if (ret) { - printk(KERN_ERR "Spectra: pci_enable_device failed.\n"); - goto failed_alloc_memery; - } - - if (id->driver_data == INTEL_CE4100) { + if (denali->platform == INTEL_CE4100) { /* Due to a silicon limitation, we can only support * ONFI timing mode 1 and below. */ if (onfi_timing_mode < -1 || onfi_timing_mode > 1) { - printk(KERN_ERR "Intel CE4100 only supports" - " ONFI timing mode 1 or below\n"); - ret = -EINVAL; - goto failed_enable_dev; - } - denali->platform = INTEL_CE4100; - mem_base = pci_resource_start(dev, 0); - mem_len = pci_resource_len(dev, 1); - csr_base = pci_resource_start(dev, 1); - csr_len = pci_resource_len(dev, 1); - } else { - denali->platform = INTEL_MRST; - csr_base = pci_resource_start(dev, 0); - csr_len = pci_resource_len(dev, 0); - mem_base = pci_resource_start(dev, 1); - mem_len = pci_resource_len(dev, 1); - if (!mem_len) { - mem_base = csr_base + csr_len; - mem_len = csr_len; + pr_err("Intel CE4100 only supports ONFI timing mode 1 or below\n"); + return -EINVAL; } } /* Is 32-bit DMA supported? */ - ret = dma_set_mask(&dev->dev, DMA_BIT_MASK(32)); + ret = dma_set_mask(denali->dev, DMA_BIT_MASK(32)); if (ret) { - printk(KERN_ERR "Spectra: no usable DMA configuration\n"); - goto failed_enable_dev; + pr_err("Spectra: no usable DMA configuration\n"); + return ret; } - denali->buf.dma_buf = dma_map_single(&dev->dev, denali->buf.buf, + denali->buf.dma_buf = dma_map_single(denali->dev, denali->buf.buf, DENALI_BUF_SIZE, DMA_BIDIRECTIONAL); - if (dma_mapping_error(&dev->dev, denali->buf.dma_buf)) { - dev_err(&dev->dev, "Spectra: failed to map DMA buffer\n"); - goto failed_enable_dev; - } - - pci_set_master(dev); - denali->dev = &dev->dev; - denali->mtd.dev.parent = &dev->dev; - - ret = pci_request_regions(dev, DENALI_NAND_NAME); - if (ret) { - printk(KERN_ERR "Spectra: Unable to request memory regions\n"); - goto failed_dma_map; - } - - denali->flash_reg = ioremap_nocache(csr_base, csr_len); - if (!denali->flash_reg) { - printk(KERN_ERR "Spectra: Unable to remap memory region\n"); - ret = -ENOMEM; - goto failed_req_regions; - } - - denali->flash_mem = ioremap_nocache(mem_base, mem_len); - if (!denali->flash_mem) { - printk(KERN_ERR "Spectra: ioremap_nocache failed!"); - ret = -ENOMEM; - goto failed_remap_reg; + if (dma_mapping_error(denali->dev, denali->buf.dma_buf)) { + dev_err(denali->dev, "Spectra: failed to map DMA buffer\n"); + return -EIO; } - + denali->mtd.dev.parent = denali->dev; denali_hw_init(denali); denali_drv_init(denali); /* denali_isr register is done after all the hardware * initilization is finished*/ - if (request_irq(dev->irq, denali_isr, IRQF_SHARED, + if (request_irq(denali->irq, denali_isr, IRQF_SHARED, DENALI_NAND_NAME, denali)) { - printk(KERN_ERR "Spectra: Unable to allocate IRQ\n"); - ret = -ENODEV; - goto failed_remap_mem; + pr_err("Spectra: Unable to allocate IRQ\n"); + return -ENODEV; } /* now that our ISR is registered, we can enable interrupts */ denali_set_intr_modes(denali, true); - - pci_set_drvdata(dev, denali); - denali->mtd.name = "denali-nand"; denali->mtd.owner = THIS_MODULE; denali->mtd.priv = &denali->nand; @@ -1549,8 +1480,7 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) */ if (denali->mtd.writesize > NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE) { ret = -ENODEV; - printk(KERN_ERR "Spectra: device size not supported by this " - "version of MTD."); + pr_err("Spectra: device size not supported by this version of MTD."); goto failed_req_irq; } @@ -1602,8 +1532,8 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) } else if (denali->mtd.oobsize < (denali->bbtskipbytes + ECC_8BITS * (denali->mtd.writesize / ECC_SECTOR_SIZE))) { - printk(KERN_ERR "Your NAND chip OOB is not large enough to" - " contain 8bit ECC correction codes"); + pr_err("Your NAND chip OOB is not large enough to \ + contain 8bit ECC correction codes"); goto failed_req_irq; } else { denali->nand.ecc.strength = 8; @@ -1655,56 +1585,24 @@ static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) ret = mtd_device_register(&denali->mtd, NULL, 0); if (ret) { - dev_err(&dev->dev, "Spectra: Failed to register MTD: %d\n", + dev_err(denali->dev, "Spectra: Failed to register MTD: %d\n", ret); goto failed_req_irq; } return 0; failed_req_irq: - denali_irq_cleanup(dev->irq, denali); -failed_remap_mem: - iounmap(denali->flash_mem); -failed_remap_reg: - iounmap(denali->flash_reg); -failed_req_regions: - pci_release_regions(dev); -failed_dma_map: - dma_unmap_single(&dev->dev, denali->buf.dma_buf, DENALI_BUF_SIZE, - DMA_BIDIRECTIONAL); -failed_enable_dev: - pci_disable_device(dev); -failed_alloc_memery: - kfree(denali); + denali_irq_cleanup(denali->irq, denali); + return ret; } +EXPORT_SYMBOL(denali_init); /* driver exit point */ -static void denali_pci_remove(struct pci_dev *dev) +void denali_remove(struct denali_nand_info *denali) { - struct denali_nand_info *denali = pci_get_drvdata(dev); - - nand_release(&denali->mtd); - - denali_irq_cleanup(dev->irq, denali); - - iounmap(denali->flash_reg); - iounmap(denali->flash_mem); - pci_release_regions(dev); - pci_disable_device(dev); - dma_unmap_single(&dev->dev, denali->buf.dma_buf, DENALI_BUF_SIZE, - DMA_BIDIRECTIONAL); - pci_set_drvdata(dev, NULL); - kfree(denali); + denali_irq_cleanup(denali->irq, denali); + dma_unmap_single(denali->dev, denali->buf.dma_buf, DENALI_BUF_SIZE, + DMA_BIDIRECTIONAL); } - -MODULE_DEVICE_TABLE(pci, denali_pci_ids); - -static struct pci_driver denali_pci_driver = { - .name = DENALI_NAND_NAME, - .id_table = denali_pci_ids, - .probe = denali_pci_probe, - .remove = denali_pci_remove, -}; - -module_pci_driver(denali_pci_driver); +EXPORT_SYMBOL(denali_remove); diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h index fabb9d56b39e..cec5712862c9 100644 --- a/drivers/mtd/nand/denali.h +++ b/drivers/mtd/nand/denali.h @@ -466,6 +466,7 @@ struct nand_buf { #define INTEL_CE4100 1 #define INTEL_MRST 2 +#define DT 3 struct denali_nand_info { struct mtd_info mtd; @@ -487,6 +488,7 @@ struct denali_nand_info { uint32_t irq_status; int irq_debug_array[32]; int idx; + int irq; uint32_t devnum; /* represent how many nands connected */ uint32_t fwblks; /* represent how many blocks FW used */ @@ -496,4 +498,7 @@ struct denali_nand_info { uint32_t max_banks; }; +extern int denali_init(struct denali_nand_info *denali); +extern void denali_remove(struct denali_nand_info *denali); + #endif /*_LLD_NAND_*/ diff --git a/drivers/mtd/nand/denali_dt.c b/drivers/mtd/nand/denali_dt.c new file mode 100644 index 000000000000..546f8cb5688d --- /dev/null +++ b/drivers/mtd/nand/denali_dt.c @@ -0,0 +1,167 @@ +/* + * NAND Flash Controller Device Driver for DT + * + * Copyright © 2011, Picochip. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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/err.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/slab.h> + +#include "denali.h" + +struct denali_dt { + struct denali_nand_info denali; + struct clk *clk; +}; + +static void __iomem *request_and_map(struct device *dev, + const struct resource *res) +{ + void __iomem *ptr; + + if (!devm_request_mem_region(dev, res->start, resource_size(res), + "denali-dt")) { + dev_err(dev, "unable to request %s\n", res->name); + return NULL; + } + + ptr = devm_ioremap_nocache(dev, res->start, resource_size(res)); + if (!res) + dev_err(dev, "ioremap_nocache of %s failed!", res->name); + + return ptr; +} + +static const struct of_device_id denali_nand_dt_ids[] = { + { .compatible = "denali,denali-nand-dt" }, + { /* sentinel */ } + }; + +MODULE_DEVICE_TABLE(of, denali_nand_dt_ids); + +static u64 denali_dma_mask; + +static int denali_dt_probe(struct platform_device *ofdev) +{ + struct resource *denali_reg, *nand_data; + struct denali_dt *dt; + struct denali_nand_info *denali; + int ret; + const struct of_device_id *of_id; + + of_id = of_match_device(denali_nand_dt_ids, &ofdev->dev); + if (of_id) { + ofdev->id_entry = of_id->data; + } else { + pr_err("Failed to find the right device id.\n"); + return -ENOMEM; + } + + dt = devm_kzalloc(&ofdev->dev, sizeof(*dt), GFP_KERNEL); + if (!dt) + return -ENOMEM; + denali = &dt->denali; + + denali_reg = platform_get_resource_byname(ofdev, IORESOURCE_MEM, "denali_reg"); + nand_data = platform_get_resource_byname(ofdev, IORESOURCE_MEM, "nand_data"); + if (!denali_reg || !nand_data) { + dev_err(&ofdev->dev, "resources not completely defined\n"); + return -EINVAL; + } + + denali->platform = DT; + denali->dev = &ofdev->dev; + denali->irq = platform_get_irq(ofdev, 0); + if (denali->irq < 0) { + dev_err(&ofdev->dev, "no irq defined\n"); + return -ENXIO; + } + + denali->flash_reg = request_and_map(&ofdev->dev, denali_reg); + if (!denali->flash_reg) + return -ENOMEM; + + denali->flash_mem = request_and_map(&ofdev->dev, nand_data); + if (!denali->flash_mem) + return -ENOMEM; + + if (!of_property_read_u32(ofdev->dev.of_node, + "dma-mask", (u32 *)&denali_dma_mask)) { + denali->dev->dma_mask = &denali_dma_mask; + } else { + denali->dev->dma_mask = NULL; + } + + dt->clk = clk_get(&ofdev->dev, NULL); + if (IS_ERR(dt->clk)) { + dev_err(&ofdev->dev, "no clk available\n"); + return PTR_ERR(dt->clk); + } + clk_prepare_enable(dt->clk); + + ret = denali_init(denali); + if (ret) + goto out_disable_clk; + + platform_set_drvdata(ofdev, dt); + return 0; + +out_disable_clk: + clk_disable_unprepare(dt->clk); + clk_put(dt->clk); + + return ret; +} + +static int denali_dt_remove(struct platform_device *ofdev) +{ + struct denali_dt *dt = platform_get_drvdata(ofdev); + + denali_remove(&dt->denali); + clk_disable(dt->clk); + clk_put(dt->clk); + + return 0; +} + +static struct platform_driver denali_dt_driver = { + .probe = denali_dt_probe, + .remove = denali_dt_remove, + .driver = { + .name = "denali-nand-dt", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(denali_nand_dt_ids), + }, +}; + +static int __init denali_init_dt(void) +{ + return platform_driver_register(&denali_dt_driver); +} +module_init(denali_init_dt); + +static void __exit denali_exit_dt(void) +{ + platform_driver_unregister(&denali_dt_driver); +} +module_exit(denali_exit_dt); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Jamie Iles"); +MODULE_DESCRIPTION("DT driver for Denali NAND controller"); diff --git a/drivers/mtd/nand/denali_pci.c b/drivers/mtd/nand/denali_pci.c new file mode 100644 index 000000000000..e3e46623b2b4 --- /dev/null +++ b/drivers/mtd/nand/denali_pci.c @@ -0,0 +1,144 @@ +/* + * NAND Flash Controller Device Driver + * Copyright © 2009-2010, Intel Corporation and its suppliers. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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/kernel.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/slab.h> + +#include "denali.h" + +#define DENALI_NAND_NAME "denali-nand-pci" + +/* List of platforms this NAND controller has be integrated into */ +static DEFINE_PCI_DEVICE_TABLE(denali_pci_ids) = { + { PCI_VDEVICE(INTEL, 0x0701), INTEL_CE4100 }, + { PCI_VDEVICE(INTEL, 0x0809), INTEL_MRST }, + { /* end: all zeroes */ } +}; +MODULE_DEVICE_TABLE(pci, denali_pci_ids); + +static int denali_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) +{ + int ret = -ENODEV; + resource_size_t csr_base, mem_base; + unsigned long csr_len, mem_len; + struct denali_nand_info *denali; + + denali = kzalloc(sizeof(*denali), GFP_KERNEL); + if (!denali) + return -ENOMEM; + + ret = pci_enable_device(dev); + if (ret) { + pr_err("Spectra: pci_enable_device failed.\n"); + goto failed_alloc_memery; + } + + if (id->driver_data == INTEL_CE4100) { + denali->platform = INTEL_CE4100; + mem_base = pci_resource_start(dev, 0); + mem_len = pci_resource_len(dev, 1); + csr_base = pci_resource_start(dev, 1); + csr_len = pci_resource_len(dev, 1); + } else { + denali->platform = INTEL_MRST; + csr_base = pci_resource_start(dev, 0); + csr_len = pci_resource_len(dev, 0); + mem_base = pci_resource_start(dev, 1); + mem_len = pci_resource_len(dev, 1); + if (!mem_len) { + mem_base = csr_base + csr_len; + mem_len = csr_len; + } + } + + pci_set_master(dev); + denali->dev = &dev->dev; + denali->irq = dev->irq; + + ret = pci_request_regions(dev, DENALI_NAND_NAME); + if (ret) { + pr_err("Spectra: Unable to request memory regions\n"); + goto failed_enable_dev; + } + + denali->flash_reg = ioremap_nocache(csr_base, csr_len); + if (!denali->flash_reg) { + pr_err("Spectra: Unable to remap memory region\n"); + ret = -ENOMEM; + goto failed_req_regions; + } + + denali->flash_mem = ioremap_nocache(mem_base, mem_len); + if (!denali->flash_mem) { + pr_err("Spectra: ioremap_nocache failed!"); + ret = -ENOMEM; + goto failed_remap_reg; + } + + ret = denali_init(denali); + if (ret) + goto failed_remap_mem; + + pci_set_drvdata(dev, denali); + + return 0; + +failed_remap_mem: + iounmap(denali->flash_mem); +failed_remap_reg: + iounmap(denali->flash_reg); +failed_req_regions: + pci_release_regions(dev); +failed_enable_dev: + pci_disable_device(dev); +failed_alloc_memery: + kfree(denali); + + return ret; +} + +/* driver exit point */ +static void denali_pci_remove(struct pci_dev *dev) +{ + struct denali_nand_info *denali = pci_get_drvdata(dev); + + denali_remove(denali); + iounmap(denali->flash_reg); + iounmap(denali->flash_mem); + pci_release_regions(dev); + pci_disable_device(dev); + pci_set_drvdata(dev, NULL); + kfree(denali); +} + +static struct pci_driver denali_pci_driver = { + .name = DENALI_NAND_NAME, + .id_table = denali_pci_ids, + .probe = denali_pci_probe, + .remove = denali_pci_remove, +}; + +static int denali_init_pci(void) +{ + pr_info("Spectra MTD driver built on %s @ %s\n", __DATE__, __TIME__); + return pci_register_driver(&denali_pci_driver); +} +module_init(denali_init_pci); + +static void denali_exit_pci(void) +{ + pci_unregister_driver(&denali_pci_driver); +} +module_exit(denali_exit_pci); diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c index 256eb30f6180..81fa5784f98b 100644 --- a/drivers/mtd/nand/diskonchip.c +++ b/drivers/mtd/nand/diskonchip.c @@ -53,8 +53,6 @@ static unsigned long __initdata doc_locations[] = { 0xe0000, 0xe2000, 0xe4000, 0xe6000, 0xe8000, 0xea000, 0xec000, 0xee000, #endif /* CONFIG_MTD_DOCPROBE_HIGH */ -#else -#warning Unknown architecture for DiskOnChip. No default probe locations defined #endif 0xffffffff }; diff --git a/drivers/mtd/nand/docg4.c b/drivers/mtd/nand/docg4.c index 799da5d1c857..18fa4489e52e 100644 --- a/drivers/mtd/nand/docg4.c +++ b/drivers/mtd/nand/docg4.c @@ -46,6 +46,25 @@ #include <linux/bitrev.h> /* + * In "reliable mode" consecutive 2k pages are used in parallel (in some + * fashion) to store the same data. The data can be read back from the + * even-numbered pages in the normal manner; odd-numbered pages will appear to + * contain junk. Systems that boot from the docg4 typically write the secondary + * program loader (SPL) code in this mode. The SPL is loaded by the initial + * program loader (IPL, stored in the docg4's 2k NOR-like region that is mapped + * to the reset vector address). This module parameter enables you to use this + * driver to write the SPL. When in this mode, no more than 2k of data can be + * written at a time, because the addresses do not increment in the normal + * manner, and the starting offset must be within an even-numbered 2k region; + * i.e., invalid starting offsets are 0x800, 0xa00, 0xc00, 0xe00, 0x1800, + * 0x1a00, ... Reliable mode is a special case and should not be used unless + * you know what you're doing. + */ +static bool reliable_mode; +module_param(reliable_mode, bool, 0); +MODULE_PARM_DESC(reliable_mode, "pages are programmed in reliable mode"); + +/* * You'll want to ignore badblocks if you're reading a partition that contains * data written by the TrueFFS library (i.e., by PalmOS, Windows, etc), since * it does not use mtd nand's method for marking bad blocks (using oob area). @@ -113,6 +132,7 @@ struct docg4_priv { #define DOCG4_SEQ_PAGEWRITE 0x16 #define DOCG4_SEQ_PAGEPROG 0x1e #define DOCG4_SEQ_BLOCKERASE 0x24 +#define DOCG4_SEQ_SETMODE 0x45 /* DOC_FLASHCOMMAND register commands */ #define DOCG4_CMD_PAGE_READ 0x00 @@ -122,6 +142,8 @@ struct docg4_priv { #define DOC_CMD_PROG_BLOCK_ADDR 0x60 #define DOCG4_CMD_PAGEWRITE 0x80 #define DOC_CMD_PROG_CYCLE2 0x10 +#define DOCG4_CMD_FAST_MODE 0xa3 /* functionality guessed */ +#define DOC_CMD_RELIABLE_MODE 0x22 #define DOC_CMD_RESET 0xff /* DOC_POWERMODE register bits */ @@ -190,17 +212,20 @@ struct docg4_priv { #define DOCG4_T 4 /* BCH alg corrects up to 4 bit errors */ #define DOCG4_FACTORY_BBT_PAGE 16 /* page where read-only factory bbt lives */ +#define DOCG4_REDUNDANT_BBT_PAGE 24 /* page where redundant factory bbt lives */ /* - * Oob bytes 0 - 6 are available to the user. - * Byte 7 is hamming ecc for first 7 bytes. Bytes 8 - 14 are hw-generated ecc. + * Bytes 0, 1 are used as badblock marker. + * Bytes 2 - 6 are available to the user. + * Byte 7 is hamming ecc for first 7 oob bytes only. + * Bytes 8 - 14 are hw-generated ecc covering entire page + oob bytes 0 - 14. * Byte 15 (the last) is used by the driver as a "page written" flag. */ static struct nand_ecclayout docg4_oobinfo = { .eccbytes = 9, .eccpos = {7, 8, 9, 10, 11, 12, 13, 14, 15}, - .oobavail = 7, - .oobfree = { {0, 7} } + .oobavail = 5, + .oobfree = { {.offset = 2, .length = 5} } }; /* @@ -611,6 +636,14 @@ static void write_page_prologue(struct mtd_info *mtd, uint32_t docg4_addr) dev_dbg(doc->dev, "docg4: %s: g4 addr: %x\n", __func__, docg4_addr); sequence_reset(mtd); + + if (unlikely(reliable_mode)) { + writew(DOCG4_SEQ_SETMODE, docptr + DOC_FLASHSEQUENCE); + writew(DOCG4_CMD_FAST_MODE, docptr + DOC_FLASHCOMMAND); + writew(DOC_CMD_RELIABLE_MODE, docptr + DOC_FLASHCOMMAND); + write_nop(docptr); + } + writew(DOCG4_SEQ_PAGEWRITE, docptr + DOC_FLASHSEQUENCE); writew(DOCG4_CMD_PAGEWRITE, docptr + DOC_FLASHCOMMAND); write_nop(docptr); @@ -691,6 +724,15 @@ static void docg4_command(struct mtd_info *mtd, unsigned command, int column, break; case NAND_CMD_SEQIN: + if (unlikely(reliable_mode)) { + uint16_t g4_page = g4_addr >> 16; + + /* writes to odd-numbered 2k pages are invalid */ + if (g4_page & 0x01) + dev_warn(doc->dev, + "invalid reliable mode address\n"); + } + write_page_prologue(mtd, g4_addr); /* hack for deferred write of oob bytes */ @@ -979,16 +1021,15 @@ static int __init read_factory_bbt(struct mtd_info *mtd) struct docg4_priv *doc = nand->priv; uint32_t g4_addr = mtd_to_docg4_address(DOCG4_FACTORY_BBT_PAGE, 0); uint8_t *buf; - int i, block, status; + int i, block; + __u32 eccfailed_stats = mtd->ecc_stats.failed; buf = kzalloc(DOCG4_PAGE_SIZE, GFP_KERNEL); if (buf == NULL) return -ENOMEM; read_page_prologue(mtd, g4_addr); - status = docg4_read_page(mtd, nand, buf, 0, DOCG4_FACTORY_BBT_PAGE); - if (status) - goto exit; + docg4_read_page(mtd, nand, buf, 0, DOCG4_FACTORY_BBT_PAGE); /* * If no memory-based bbt was created, exit. This will happen if module @@ -1000,6 +1041,20 @@ static int __init read_factory_bbt(struct mtd_info *mtd) if (nand->bbt == NULL) /* no memory-based bbt */ goto exit; + if (mtd->ecc_stats.failed > eccfailed_stats) { + /* + * Whoops, an ecc failure ocurred reading the factory bbt. + * It is stored redundantly, so we get another chance. + */ + eccfailed_stats = mtd->ecc_stats.failed; + docg4_read_page(mtd, nand, buf, 0, DOCG4_REDUNDANT_BBT_PAGE); + if (mtd->ecc_stats.failed > eccfailed_stats) { + dev_warn(doc->dev, + "The factory bbt could not be read!\n"); + goto exit; + } + } + /* * Parse factory bbt and update memory-based bbt. Factory bbt format is * simple: one bit per block, block numbers increase left to right (msb @@ -1019,7 +1074,7 @@ static int __init read_factory_bbt(struct mtd_info *mtd) } exit: kfree(buf); - return status; + return 0; } static int docg4_block_markbad(struct mtd_info *mtd, loff_t ofs) diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index cc1480a5e4c1..20657209a472 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -109,20 +109,6 @@ static struct nand_ecclayout fsl_elbc_oob_lp_eccm1 = { }; /* - * fsl_elbc_oob_lp_eccm* specify that LP NAND's OOB free area starts at offset - * 1, so we have to adjust bad block pattern. This pattern should be used for - * x8 chips only. So far hardware does not support x16 chips anyway. - */ -static u8 scan_ff_pattern[] = { 0xff, }; - -static struct nand_bbt_descr largepage_memorybased = { - .options = 0, - .offs = 0, - .len = 1, - .pattern = scan_ff_pattern, -}; - -/* * ELBC may use HW ECC, so that OOB offsets, that NAND core uses for bbt, * interfere with ECC positions, that's why we implement our own descriptors. * OOB {11, 5}, works for both SP and LP chips, with ECCM = 1 and ECCM = 0. @@ -699,7 +685,6 @@ static int fsl_elbc_chip_init_tail(struct mtd_info *mtd) chip->ecc.layout = (priv->fmr & FMR_ECCM) ? &fsl_elbc_oob_lp_eccm1 : &fsl_elbc_oob_lp_eccm0; - chip->badblock_pattern = &largepage_memorybased; } } else { dev_err(priv->dev, @@ -814,7 +799,7 @@ static int fsl_elbc_chip_remove(struct fsl_elbc_mtd *priv) static DEFINE_MUTEX(fsl_elbc_nand_mutex); -static int __devinit fsl_elbc_nand_probe(struct platform_device *pdev) +static int fsl_elbc_nand_probe(struct platform_device *pdev) { struct fsl_lbc_regs __iomem *lbc; struct fsl_elbc_mtd *priv; diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index 3551a99076ba..ad6222627fed 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -389,7 +389,7 @@ static void fsl_ifc_cmdfunc(struct mtd_info *mtd, unsigned int command, timing = IFC_FIR_OP_RBCD; out_be32(&ifc->ifc_nand.nand_fir0, - (IFC_FIR_OP_CMD0 << IFC_NAND_FIR0_OP0_SHIFT) | + (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) | (IFC_FIR_OP_UA << IFC_NAND_FIR0_OP1_SHIFT) | (timing << IFC_NAND_FIR0_OP2_SHIFT)); out_be32(&ifc->ifc_nand.nand_fcr0, @@ -754,7 +754,7 @@ static void fsl_ifc_sram_init(struct fsl_ifc_mtd *priv) /* READID */ out_be32(&ifc->ifc_nand.nand_fir0, - (IFC_FIR_OP_CMD0 << IFC_NAND_FIR0_OP0_SHIFT) | + (IFC_FIR_OP_CW0 << IFC_NAND_FIR0_OP0_SHIFT) | (IFC_FIR_OP_UA << IFC_NAND_FIR0_OP1_SHIFT) | (IFC_FIR_OP_RB << IFC_NAND_FIR0_OP2_SHIFT)); out_be32(&ifc->ifc_nand.nand_fcr0, @@ -922,7 +922,7 @@ static int match_bank(struct fsl_ifc_regs __iomem *ifc, int bank, static DEFINE_MUTEX(fsl_ifc_nand_mutex); -static int __devinit fsl_ifc_nand_probe(struct platform_device *dev) +static int fsl_ifc_nand_probe(struct platform_device *dev) { struct fsl_ifc_regs __iomem *ifc; struct fsl_ifc_mtd *priv; diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c index 45df542b9c61..5a8f5c4ce512 100644 --- a/drivers/mtd/nand/fsl_upm.c +++ b/drivers/mtd/nand/fsl_upm.c @@ -152,7 +152,7 @@ static void fun_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) fun_wait_rnb(fun); } -static int __devinit fun_chip_init(struct fsl_upm_nand *fun, +static int fun_chip_init(struct fsl_upm_nand *fun, const struct device_node *upm_np, const struct resource *io_res) { @@ -201,7 +201,7 @@ err: return ret; } -static int __devinit fun_probe(struct platform_device *ofdev) +static int fun_probe(struct platform_device *ofdev) { struct fsl_upm_nand *fun; struct resource io_res; @@ -318,7 +318,7 @@ err1: return ret; } -static int __devexit fun_remove(struct platform_device *ofdev) +static int fun_remove(struct platform_device *ofdev) { struct fsl_upm_nand *fun = dev_get_drvdata(&ofdev->dev); int i; @@ -350,7 +350,7 @@ static struct platform_driver of_fun_driver = { .of_match_table = of_fun_match, }, .probe = fun_probe, - .remove = __devexit_p(fun_remove), + .remove = fun_remove, }; module_platform_driver(of_fun_driver); diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c index 38d26240d8b1..1d7446434b0e 100644 --- a/drivers/mtd/nand/fsmc_nand.c +++ b/drivers/mtd/nand/fsmc_nand.c @@ -361,7 +361,7 @@ static void fsmc_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) struct nand_chip *this = mtd->priv; struct fsmc_nand_data *host = container_of(mtd, struct fsmc_nand_data, mtd); - void *__iomem *regs = host->regs_va; + void __iomem *regs = host->regs_va; unsigned int bank = host->bank; if (ctrl & NAND_CTRL_CHANGE) { @@ -383,13 +383,13 @@ static void fsmc_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) pc |= FSMC_ENABLE; else pc &= ~FSMC_ENABLE; - writel(pc, FSMC_NAND_REG(regs, bank, PC)); + writel_relaxed(pc, FSMC_NAND_REG(regs, bank, PC)); } mb(); if (cmd != NAND_CMD_NONE) - writeb(cmd, this->IO_ADDR_W); + writeb_relaxed(cmd, this->IO_ADDR_W); } /* @@ -426,14 +426,18 @@ static void fsmc_nand_setup(void __iomem *regs, uint32_t bank, tset = (tims->tset & FSMC_TSET_MASK) << FSMC_TSET_SHIFT; if (busw) - writel(value | FSMC_DEVWID_16, FSMC_NAND_REG(regs, bank, PC)); + writel_relaxed(value | FSMC_DEVWID_16, + FSMC_NAND_REG(regs, bank, PC)); else - writel(value | FSMC_DEVWID_8, FSMC_NAND_REG(regs, bank, PC)); + writel_relaxed(value | FSMC_DEVWID_8, + FSMC_NAND_REG(regs, bank, PC)); - writel(readl(FSMC_NAND_REG(regs, bank, PC)) | tclr | tar, + writel_relaxed(readl(FSMC_NAND_REG(regs, bank, PC)) | tclr | tar, FSMC_NAND_REG(regs, bank, PC)); - writel(thiz | thold | twait | tset, FSMC_NAND_REG(regs, bank, COMM)); - writel(thiz | thold | twait | tset, FSMC_NAND_REG(regs, bank, ATTRIB)); + writel_relaxed(thiz | thold | twait | tset, + FSMC_NAND_REG(regs, bank, COMM)); + writel_relaxed(thiz | thold | twait | tset, + FSMC_NAND_REG(regs, bank, ATTRIB)); } /* @@ -446,11 +450,11 @@ static void fsmc_enable_hwecc(struct mtd_info *mtd, int mode) void __iomem *regs = host->regs_va; uint32_t bank = host->bank; - writel(readl(FSMC_NAND_REG(regs, bank, PC)) & ~FSMC_ECCPLEN_256, + writel_relaxed(readl(FSMC_NAND_REG(regs, bank, PC)) & ~FSMC_ECCPLEN_256, FSMC_NAND_REG(regs, bank, PC)); - writel(readl(FSMC_NAND_REG(regs, bank, PC)) & ~FSMC_ECCEN, + writel_relaxed(readl(FSMC_NAND_REG(regs, bank, PC)) & ~FSMC_ECCEN, FSMC_NAND_REG(regs, bank, PC)); - writel(readl(FSMC_NAND_REG(regs, bank, PC)) | FSMC_ECCEN, + writel_relaxed(readl(FSMC_NAND_REG(regs, bank, PC)) | FSMC_ECCEN, FSMC_NAND_REG(regs, bank, PC)); } @@ -470,7 +474,7 @@ static int fsmc_read_hwecc_ecc4(struct mtd_info *mtd, const uint8_t *data, unsigned long deadline = jiffies + FSMC_BUSY_WAIT_TIMEOUT; do { - if (readl(FSMC_NAND_REG(regs, bank, STS)) & FSMC_CODE_RDY) + if (readl_relaxed(FSMC_NAND_REG(regs, bank, STS)) & FSMC_CODE_RDY) break; else cond_resched(); @@ -481,25 +485,25 @@ static int fsmc_read_hwecc_ecc4(struct mtd_info *mtd, const uint8_t *data, return -ETIMEDOUT; } - ecc_tmp = readl(FSMC_NAND_REG(regs, bank, ECC1)); + ecc_tmp = readl_relaxed(FSMC_NAND_REG(regs, bank, ECC1)); ecc[0] = (uint8_t) (ecc_tmp >> 0); ecc[1] = (uint8_t) (ecc_tmp >> 8); ecc[2] = (uint8_t) (ecc_tmp >> 16); ecc[3] = (uint8_t) (ecc_tmp >> 24); - ecc_tmp = readl(FSMC_NAND_REG(regs, bank, ECC2)); + ecc_tmp = readl_relaxed(FSMC_NAND_REG(regs, bank, ECC2)); ecc[4] = (uint8_t) (ecc_tmp >> 0); ecc[5] = (uint8_t) (ecc_tmp >> 8); ecc[6] = (uint8_t) (ecc_tmp >> 16); ecc[7] = (uint8_t) (ecc_tmp >> 24); - ecc_tmp = readl(FSMC_NAND_REG(regs, bank, ECC3)); + ecc_tmp = readl_relaxed(FSMC_NAND_REG(regs, bank, ECC3)); ecc[8] = (uint8_t) (ecc_tmp >> 0); ecc[9] = (uint8_t) (ecc_tmp >> 8); ecc[10] = (uint8_t) (ecc_tmp >> 16); ecc[11] = (uint8_t) (ecc_tmp >> 24); - ecc_tmp = readl(FSMC_NAND_REG(regs, bank, STS)); + ecc_tmp = readl_relaxed(FSMC_NAND_REG(regs, bank, STS)); ecc[12] = (uint8_t) (ecc_tmp >> 16); return 0; @@ -519,7 +523,7 @@ static int fsmc_read_hwecc_ecc1(struct mtd_info *mtd, const uint8_t *data, uint32_t bank = host->bank; uint32_t ecc_tmp; - ecc_tmp = readl(FSMC_NAND_REG(regs, bank, ECC1)); + ecc_tmp = readl_relaxed(FSMC_NAND_REG(regs, bank, ECC1)); ecc[0] = (uint8_t) (ecc_tmp >> 0); ecc[1] = (uint8_t) (ecc_tmp >> 8); ecc[2] = (uint8_t) (ecc_tmp >> 16); @@ -601,7 +605,7 @@ static int dma_xfer(struct fsmc_nand_data *host, void *buffer, int len, dma_async_issue_pending(chan); ret = - wait_for_completion_interruptible_timeout(&host->dma_access_complete, + wait_for_completion_timeout(&host->dma_access_complete, msecs_to_jiffies(3000)); if (ret <= 0) { chan->device->device_control(chan, DMA_TERMINATE_ALL, 0); @@ -628,10 +632,10 @@ static void fsmc_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) uint32_t *p = (uint32_t *)buf; len = len >> 2; for (i = 0; i < len; i++) - writel(p[i], chip->IO_ADDR_W); + writel_relaxed(p[i], chip->IO_ADDR_W); } else { for (i = 0; i < len; i++) - writeb(buf[i], chip->IO_ADDR_W); + writeb_relaxed(buf[i], chip->IO_ADDR_W); } } @@ -651,10 +655,10 @@ static void fsmc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) uint32_t *p = (uint32_t *)buf; len = len >> 2; for (i = 0; i < len; i++) - p[i] = readl(chip->IO_ADDR_R); + p[i] = readl_relaxed(chip->IO_ADDR_R); } else { for (i = 0; i < len; i++) - buf[i] = readb(chip->IO_ADDR_R); + buf[i] = readb_relaxed(chip->IO_ADDR_R); } } @@ -783,7 +787,7 @@ static int fsmc_bch8_correct_data(struct mtd_info *mtd, uint8_t *dat, uint32_t num_err, i; uint32_t ecc1, ecc2, ecc3, ecc4; - num_err = (readl(FSMC_NAND_REG(regs, bank, STS)) >> 10) & 0xF; + num_err = (readl_relaxed(FSMC_NAND_REG(regs, bank, STS)) >> 10) & 0xF; /* no bit flipping */ if (likely(num_err == 0)) @@ -826,10 +830,10 @@ static int fsmc_bch8_correct_data(struct mtd_info *mtd, uint8_t *dat, * uint64_t array and error offset indexes are populated in err_idx * array */ - ecc1 = readl(FSMC_NAND_REG(regs, bank, ECC1)); - ecc2 = readl(FSMC_NAND_REG(regs, bank, ECC2)); - ecc3 = readl(FSMC_NAND_REG(regs, bank, ECC3)); - ecc4 = readl(FSMC_NAND_REG(regs, bank, STS)); + ecc1 = readl_relaxed(FSMC_NAND_REG(regs, bank, ECC1)); + ecc2 = readl_relaxed(FSMC_NAND_REG(regs, bank, ECC2)); + ecc3 = readl_relaxed(FSMC_NAND_REG(regs, bank, ECC3)); + ecc4 = readl_relaxed(FSMC_NAND_REG(regs, bank, STS)); err_idx[0] = (ecc1 >> 0) & 0x1FFF; err_idx[1] = (ecc1 >> 13) & 0x1FFF; @@ -860,7 +864,7 @@ static bool filter(struct dma_chan *chan, void *slave) } #ifdef CONFIG_OF -static int __devinit fsmc_nand_probe_config_dt(struct platform_device *pdev, +static int fsmc_nand_probe_config_dt(struct platform_device *pdev, struct device_node *np) { struct fsmc_nand_platform_data *pdata = dev_get_platdata(&pdev->dev); @@ -876,15 +880,13 @@ static int __devinit fsmc_nand_probe_config_dt(struct platform_device *pdev, return -EINVAL; } } - of_property_read_u32(np, "st,ale-off", &pdata->ale_off); - of_property_read_u32(np, "st,cle-off", &pdata->cle_off); if (of_get_property(np, "nand-skip-bbtscan", NULL)) pdata->options = NAND_SKIP_BBTSCAN; return 0; } #else -static int __devinit fsmc_nand_probe_config_dt(struct platform_device *pdev, +static int fsmc_nand_probe_config_dt(struct platform_device *pdev, struct device_node *np) { return -ENOSYS; @@ -935,41 +937,28 @@ static int __init fsmc_nand_probe(struct platform_device *pdev) if (!res) return -EINVAL; - if (!devm_request_mem_region(&pdev->dev, res->start, resource_size(res), - pdev->name)) { - dev_err(&pdev->dev, "Failed to get memory data resourse\n"); - return -ENOENT; - } - - host->data_pa = (dma_addr_t)res->start; - host->data_va = devm_ioremap(&pdev->dev, res->start, - resource_size(res)); + host->data_va = devm_request_and_ioremap(&pdev->dev, res); if (!host->data_va) { dev_err(&pdev->dev, "data ioremap failed\n"); return -ENOMEM; } + host->data_pa = (dma_addr_t)res->start; - if (!devm_request_mem_region(&pdev->dev, res->start + pdata->ale_off, - resource_size(res), pdev->name)) { - dev_err(&pdev->dev, "Failed to get memory ale resourse\n"); - return -ENOENT; - } + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nand_addr"); + if (!res) + return -EINVAL; - host->addr_va = devm_ioremap(&pdev->dev, res->start + pdata->ale_off, - resource_size(res)); + host->addr_va = devm_request_and_ioremap(&pdev->dev, res); if (!host->addr_va) { dev_err(&pdev->dev, "ale ioremap failed\n"); return -ENOMEM; } - if (!devm_request_mem_region(&pdev->dev, res->start + pdata->cle_off, - resource_size(res), pdev->name)) { - dev_err(&pdev->dev, "Failed to get memory cle resourse\n"); - return -ENOENT; - } + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nand_cmd"); + if (!res) + return -EINVAL; - host->cmd_va = devm_ioremap(&pdev->dev, res->start + pdata->cle_off, - resource_size(res)); + host->cmd_va = devm_request_and_ioremap(&pdev->dev, res); if (!host->cmd_va) { dev_err(&pdev->dev, "ale ioremap failed\n"); return -ENOMEM; @@ -979,14 +968,7 @@ static int __init fsmc_nand_probe(struct platform_device *pdev) if (!res) return -EINVAL; - if (!devm_request_mem_region(&pdev->dev, res->start, resource_size(res), - pdev->name)) { - dev_err(&pdev->dev, "Failed to get memory regs resourse\n"); - return -ENOENT; - } - - host->regs_va = devm_ioremap(&pdev->dev, res->start, - resource_size(res)); + host->regs_va = devm_request_and_ioremap(&pdev->dev, res); if (!host->regs_va) { dev_err(&pdev->dev, "regs ioremap failed\n"); return -ENOMEM; diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c index bc73bc5f2713..e789e3f51710 100644 --- a/drivers/mtd/nand/gpio.c +++ b/drivers/mtd/nand/gpio.c @@ -90,14 +90,14 @@ static void gpio_nand_writebuf(struct mtd_info *mtd, const u_char *buf, int len) { struct nand_chip *this = mtd->priv; - writesb(this->IO_ADDR_W, buf, len); + iowrite8_rep(this->IO_ADDR_W, buf, len); } static void gpio_nand_readbuf(struct mtd_info *mtd, u_char *buf, int len) { struct nand_chip *this = mtd->priv; - readsb(this->IO_ADDR_R, buf, len); + ioread8_rep(this->IO_ADDR_R, buf, len); } static void gpio_nand_writebuf16(struct mtd_info *mtd, const u_char *buf, @@ -106,7 +106,7 @@ static void gpio_nand_writebuf16(struct mtd_info *mtd, const u_char *buf, struct nand_chip *this = mtd->priv; if (IS_ALIGNED((unsigned long)buf, 2)) { - writesw(this->IO_ADDR_W, buf, len>>1); + iowrite16_rep(this->IO_ADDR_W, buf, len>>1); } else { int i; unsigned short *ptr = (unsigned short *)buf; @@ -121,7 +121,7 @@ static void gpio_nand_readbuf16(struct mtd_info *mtd, u_char *buf, int len) struct nand_chip *this = mtd->priv; if (IS_ALIGNED((unsigned long)buf, 2)) { - readsw(this->IO_ADDR_R, buf, len>>1); + ioread16_rep(this->IO_ADDR_R, buf, len>>1); } else { int i; unsigned short *ptr = (unsigned short *)buf; @@ -134,7 +134,11 @@ static void gpio_nand_readbuf16(struct mtd_info *mtd, u_char *buf, int len) static int gpio_nand_devready(struct mtd_info *mtd) { struct gpiomtd *gpiomtd = gpio_nand_getpriv(mtd); - return gpio_get_value(gpiomtd->plat.gpio_rdy); + + if (gpio_is_valid(gpiomtd->plat.gpio_rdy)) + return gpio_get_value(gpiomtd->plat.gpio_rdy); + + return 1; } #ifdef CONFIG_OF @@ -227,7 +231,7 @@ gpio_nand_get_io_sync(struct platform_device *pdev) return platform_get_resource(pdev, IORESOURCE_MEM, 1); } -static int __devexit gpio_nand_remove(struct platform_device *dev) +static int gpio_nand_remove(struct platform_device *dev) { struct gpiomtd *gpiomtd = platform_get_drvdata(dev); struct resource *res; @@ -252,7 +256,8 @@ static int __devexit gpio_nand_remove(struct platform_device *dev) gpio_free(gpiomtd->plat.gpio_nce); if (gpio_is_valid(gpiomtd->plat.gpio_nwp)) gpio_free(gpiomtd->plat.gpio_nwp); - gpio_free(gpiomtd->plat.gpio_rdy); + if (gpio_is_valid(gpiomtd->plat.gpio_rdy)) + gpio_free(gpiomtd->plat.gpio_rdy); kfree(gpiomtd); @@ -277,7 +282,7 @@ static void __iomem *request_and_remap(struct resource *res, size_t size, return ptr; } -static int __devinit gpio_nand_probe(struct platform_device *dev) +static int gpio_nand_probe(struct platform_device *dev) { struct gpiomtd *gpiomtd; struct nand_chip *this; @@ -336,10 +341,12 @@ static int __devinit gpio_nand_probe(struct platform_device *dev) if (ret) goto err_cle; gpio_direction_output(gpiomtd->plat.gpio_cle, 0); - ret = gpio_request(gpiomtd->plat.gpio_rdy, "NAND RDY"); - if (ret) - goto err_rdy; - gpio_direction_input(gpiomtd->plat.gpio_rdy); + if (gpio_is_valid(gpiomtd->plat.gpio_rdy)) { + ret = gpio_request(gpiomtd->plat.gpio_rdy, "NAND RDY"); + if (ret) + goto err_rdy; + gpio_direction_input(gpiomtd->plat.gpio_rdy); + } this->IO_ADDR_W = this->IO_ADDR_R; @@ -386,7 +393,8 @@ static int __devinit gpio_nand_probe(struct platform_device *dev) err_wp: if (gpio_is_valid(gpiomtd->plat.gpio_nwp)) gpio_set_value(gpiomtd->plat.gpio_nwp, 0); - gpio_free(gpiomtd->plat.gpio_rdy); + if (gpio_is_valid(gpiomtd->plat.gpio_rdy)) + gpio_free(gpiomtd->plat.gpio_rdy); err_rdy: gpio_free(gpiomtd->plat.gpio_cle); err_cle: diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c index 3502accd4bc3..d84699c7968e 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c @@ -18,7 +18,6 @@ * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#include <linux/mtd/gpmi-nand.h> #include <linux/delay.h> #include <linux/clk.h> @@ -166,6 +165,15 @@ int gpmi_init(struct gpmi_nand_data *this) if (ret) goto err_out; + /* + * Reset BCH here, too. We got failures otherwise :( + * See later BCH reset for explanation of MX23 handling + */ + ret = gpmi_reset_block(r->bch_regs, GPMI_IS_MX23(this)); + if (ret) + goto err_out; + + /* Choose NAND mode. */ writel(BM_GPMI_CTRL1_GPMI_MODE, r->gpmi_regs + HW_GPMI_CTRL1_CLR); diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index d79696b2f19b..5cd141f7bfc2 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c @@ -25,7 +25,6 @@ #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/module.h> -#include <linux/mtd/gpmi-nand.h> #include <linux/mtd/partitions.h> #include <linux/pinctrl/consumer.h> #include <linux/of.h> @@ -33,6 +32,12 @@ #include <linux/of_mtd.h> #include "gpmi-nand.h" +/* Resource names for the GPMI NAND driver. */ +#define GPMI_NAND_GPMI_REGS_ADDR_RES_NAME "gpmi-nand" +#define GPMI_NAND_BCH_REGS_ADDR_RES_NAME "bch" +#define GPMI_NAND_BCH_INTERRUPT_RES_NAME "bch" +#define GPMI_NAND_DMA_INTERRUPT_RES_NAME "gpmi-dma" + /* add our owner bbt descriptor */ static uint8_t scan_ff_pattern[] = { 0xff }; static struct nand_bbt_descr gpmi_bbt_descr = { @@ -222,7 +227,7 @@ void prepare_data_dma(struct gpmi_nand_data *this, enum dma_data_direction dr) ret = dma_map_sg(this->dev, sgl, 1, dr); if (ret == 0) - pr_err("map failed.\n"); + pr_err("DMA mapping failed.\n"); this->direct_dma_map_ok = false; } @@ -314,7 +319,7 @@ int start_dma_with_bch_irq(struct gpmi_nand_data *this, return 0; } -static int __devinit +static int acquire_register_block(struct gpmi_nand_data *this, const char *res_name) { struct platform_device *pdev = this->pdev; @@ -355,7 +360,7 @@ static void release_register_block(struct gpmi_nand_data *this) res->bch_regs = NULL; } -static int __devinit +static int acquire_bch_irq(struct gpmi_nand_data *this, irq_handler_t irq_h) { struct platform_device *pdev = this->pdev; @@ -422,7 +427,7 @@ static void release_dma_channels(struct gpmi_nand_data *this) } } -static int __devinit acquire_dma_channels(struct gpmi_nand_data *this) +static int acquire_dma_channels(struct gpmi_nand_data *this) { struct platform_device *pdev = this->pdev; struct resource *r_dma; @@ -456,7 +461,7 @@ static int __devinit acquire_dma_channels(struct gpmi_nand_data *this) dma_chan = dma_request_channel(mask, gpmi_dma_filter, this); if (!dma_chan) { - pr_err("dma_request_channel failed.\n"); + pr_err("Failed to request DMA channel.\n"); goto acquire_err; } @@ -487,7 +492,7 @@ static char *extra_clks_for_mx6q[GPMI_CLK_MAX] = { "gpmi_apb", "gpmi_bch", "gpmi_bch_apb", "per1_bch", }; -static int __devinit gpmi_get_clks(struct gpmi_nand_data *this) +static int gpmi_get_clks(struct gpmi_nand_data *this) { struct resources *r = &this->resources; char **extra_clks = NULL; @@ -533,7 +538,7 @@ err_clock: return -ENOMEM; } -static int __devinit acquire_resources(struct gpmi_nand_data *this) +static int acquire_resources(struct gpmi_nand_data *this) { struct pinctrl *pinctrl; int ret; @@ -583,7 +588,7 @@ static void release_resources(struct gpmi_nand_data *this) release_dma_channels(this); } -static int __devinit init_hardware(struct gpmi_nand_data *this) +static int init_hardware(struct gpmi_nand_data *this) { int ret; @@ -625,7 +630,8 @@ static int read_page_prepare(struct gpmi_nand_data *this, length, DMA_FROM_DEVICE); if (dma_mapping_error(dev, dest_phys)) { if (alt_size < length) { - pr_err("Alternate buffer is too small\n"); + pr_err("%s, Alternate buffer is too small\n", + __func__); return -ENOMEM; } goto map_failed; @@ -675,7 +681,8 @@ static int send_page_prepare(struct gpmi_nand_data *this, DMA_TO_DEVICE); if (dma_mapping_error(dev, source_phys)) { if (alt_size < length) { - pr_err("Alternate buffer is too small\n"); + pr_err("%s, Alternate buffer is too small\n", + __func__); return -ENOMEM; } goto map_failed; @@ -763,7 +770,7 @@ static int gpmi_alloc_dma_buffer(struct gpmi_nand_data *this) error_alloc: gpmi_free_dma_buffer(this); - pr_err("allocate DMA buffer ret!!\n"); + pr_err("Error allocating DMA buffers!\n"); return -ENOMEM; } @@ -1474,7 +1481,7 @@ static int gpmi_set_geometry(struct gpmi_nand_data *this) /* Set up the NFC geometry which is used by BCH. */ ret = bch_set_geometry(this); if (ret) { - pr_err("set geometry ret : %d\n", ret); + pr_err("Error setting BCH geometry : %d\n", ret); return ret; } @@ -1535,7 +1542,7 @@ static void gpmi_nfc_exit(struct gpmi_nand_data *this) gpmi_free_dma_buffer(this); } -static int __devinit gpmi_nfc_init(struct gpmi_nand_data *this) +static int gpmi_nfc_init(struct gpmi_nand_data *this) { struct mtd_info *mtd = &this->mtd; struct nand_chip *chip = &this->nand; @@ -1618,7 +1625,7 @@ static const struct of_device_id gpmi_nand_id_table[] = { }; MODULE_DEVICE_TABLE(of, gpmi_nand_id_table); -static int __devinit gpmi_nand_probe(struct platform_device *pdev) +static int gpmi_nand_probe(struct platform_device *pdev) { struct gpmi_nand_data *this; const struct of_device_id *of_id; @@ -1668,7 +1675,7 @@ exit_acquire_resources: return ret; } -static int __devexit gpmi_nand_remove(struct platform_device *pdev) +static int gpmi_nand_remove(struct platform_device *pdev) { struct gpmi_nand_data *this = platform_get_drvdata(pdev); @@ -1685,7 +1692,7 @@ static struct platform_driver gpmi_nand_driver = { .of_match_table = gpmi_nand_id_table, }, .probe = gpmi_nand_probe, - .remove = __devexit_p(gpmi_nand_remove), + .remove = gpmi_nand_remove, .id_table = gpmi_ids, }; module_platform_driver(gpmi_nand_driver); diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h index 7ac25c1e58f9..3d93a5e39090 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h @@ -130,7 +130,6 @@ struct gpmi_nand_data { /* System Interface */ struct device *dev; struct platform_device *pdev; - struct gpmi_nand_platform_data *pdata; /* Resources */ struct resources resources; diff --git a/drivers/mtd/nand/jz4740_nand.c b/drivers/mtd/nand/jz4740_nand.c index 100b6775e175..8d415f014e1d 100644 --- a/drivers/mtd/nand/jz4740_nand.c +++ b/drivers/mtd/nand/jz4740_nand.c @@ -316,13 +316,17 @@ err: return ret; } -static inline void jz_nand_iounmap_resource(struct resource *res, void __iomem *base) +static inline void jz_nand_iounmap_resource(struct resource *res, + void __iomem *base) { iounmap(base); release_mem_region(res->start, resource_size(res)); } -static int __devinit jz_nand_detect_bank(struct platform_device *pdev, struct jz_nand *nand, unsigned char bank, size_t chipnr, uint8_t *nand_maf_id, uint8_t *nand_dev_id) { +static int jz_nand_detect_bank(struct platform_device *pdev, + struct jz_nand *nand, unsigned char bank, + size_t chipnr, uint8_t *nand_maf_id, + uint8_t *nand_dev_id) { int ret; int gpio; char gpio_name[9]; @@ -400,7 +404,7 @@ notfound_gpio: return ret; } -static int __devinit jz_nand_probe(struct platform_device *pdev) +static int jz_nand_probe(struct platform_device *pdev) { int ret; struct jz_nand *nand; @@ -541,7 +545,7 @@ err_free: return ret; } -static int __devexit jz_nand_remove(struct platform_device *pdev) +static int jz_nand_remove(struct platform_device *pdev) { struct jz_nand *nand = platform_get_drvdata(pdev); struct jz_nand_platform_data *pdata = pdev->dev.platform_data; @@ -573,7 +577,7 @@ static int __devexit jz_nand_remove(struct platform_device *pdev) static struct platform_driver jz_nand_driver = { .probe = jz_nand_probe, - .remove = __devexit_p(jz_nand_remove), + .remove = jz_nand_remove, .driver = { .name = "jz4740-nand", .owner = THIS_MODULE, diff --git a/drivers/mtd/nand/lpc32xx_mlc.c b/drivers/mtd/nand/lpc32xx_mlc.c index c29b7ac1f6af..f182befa7360 100644 --- a/drivers/mtd/nand/lpc32xx_mlc.c +++ b/drivers/mtd/nand/lpc32xx_mlc.c @@ -655,7 +655,7 @@ static struct lpc32xx_nand_cfg_mlc *lpc32xx_parse_dt(struct device *dev) /* * Probe for NAND controller */ -static int __devinit lpc32xx_nand_probe(struct platform_device *pdev) +static int lpc32xx_nand_probe(struct platform_device *pdev) { struct lpc32xx_nand_host *host; struct mtd_info *mtd; @@ -845,7 +845,7 @@ err_exit1: /* * Remove NAND device */ -static int __devexit lpc32xx_nand_remove(struct platform_device *pdev) +static int lpc32xx_nand_remove(struct platform_device *pdev) { struct lpc32xx_nand_host *host = platform_get_drvdata(pdev); struct mtd_info *mtd = &host->mtd; @@ -907,7 +907,7 @@ MODULE_DEVICE_TABLE(of, lpc32xx_nand_match); static struct platform_driver lpc32xx_nand_driver = { .probe = lpc32xx_nand_probe, - .remove = __devexit_p(lpc32xx_nand_remove), + .remove = lpc32xx_nand_remove, .resume = lpc32xx_nand_resume, .suspend = lpc32xx_nand_suspend, .driver = { diff --git a/drivers/mtd/nand/lpc32xx_slc.c b/drivers/mtd/nand/lpc32xx_slc.c index 32409c45d479..030b78c62895 100644 --- a/drivers/mtd/nand/lpc32xx_slc.c +++ b/drivers/mtd/nand/lpc32xx_slc.c @@ -755,7 +755,7 @@ static struct lpc32xx_nand_cfg_slc *lpc32xx_parse_dt(struct device *dev) /* * Probe for NAND controller */ -static int __devinit lpc32xx_nand_probe(struct platform_device *pdev) +static int lpc32xx_nand_probe(struct platform_device *pdev) { struct lpc32xx_nand_host *host; struct mtd_info *mtd; @@ -949,7 +949,7 @@ err_exit1: /* * Remove NAND device. */ -static int __devexit lpc32xx_nand_remove(struct platform_device *pdev) +static int lpc32xx_nand_remove(struct platform_device *pdev) { uint32_t tmp; struct lpc32xx_nand_host *host = platform_get_drvdata(pdev); @@ -1021,7 +1021,7 @@ MODULE_DEVICE_TABLE(of, lpc32xx_nand_match); static struct platform_driver lpc32xx_nand_driver = { .probe = lpc32xx_nand_probe, - .remove = __devexit_p(lpc32xx_nand_remove), + .remove = lpc32xx_nand_remove, .resume = lpc32xx_nand_resume, .suspend = lpc32xx_nand_suspend, .driver = { diff --git a/drivers/mtd/nand/mpc5121_nfc.c b/drivers/mtd/nand/mpc5121_nfc.c index f776c8577b8c..3c9cdcbc4cba 100644 --- a/drivers/mtd/nand/mpc5121_nfc.c +++ b/drivers/mtd/nand/mpc5121_nfc.c @@ -626,7 +626,7 @@ static void mpc5121_nfc_free(struct device *dev, struct mtd_info *mtd) iounmap(prv->csreg); } -static int __devinit mpc5121_nfc_probe(struct platform_device *op) +static int mpc5121_nfc_probe(struct platform_device *op) { struct device_node *rootnode, *dn = op->dev.of_node; struct device *dev = &op->dev; @@ -827,7 +827,7 @@ error: return retval; } -static int __devexit mpc5121_nfc_remove(struct platform_device *op) +static int mpc5121_nfc_remove(struct platform_device *op) { struct device *dev = &op->dev; struct mtd_info *mtd = dev_get_drvdata(dev); @@ -841,14 +841,14 @@ static int __devexit mpc5121_nfc_remove(struct platform_device *op) return 0; } -static struct of_device_id mpc5121_nfc_match[] __devinitdata = { +static struct of_device_id mpc5121_nfc_match[] = { { .compatible = "fsl,mpc5121-nfc", }, {}, }; static struct platform_driver mpc5121_nfc_driver = { .probe = mpc5121_nfc_probe, - .remove = __devexit_p(mpc5121_nfc_remove), + .remove = mpc5121_nfc_remove, .driver = { .name = DRV_NAME, .owner = THIS_MODULE, diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 022dcdc256fb..45204e41a028 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -266,7 +266,8 @@ static struct nand_ecclayout nandv2_hw_eccoob_4k = { } }; -static const char *part_probes[] = { "RedBoot", "cmdlinepart", "ofpart", NULL }; +static const char const *part_probes[] = { + "cmdlinepart", "RedBoot", "ofpart", NULL }; static void memcpy32_fromio(void *trg, const void __iomem *src, size_t size) { @@ -1378,7 +1379,7 @@ static int __init mxcnd_probe_dt(struct mxc_nand_host *host) } #endif -static int __devinit mxcnd_probe(struct platform_device *pdev) +static int mxcnd_probe(struct platform_device *pdev) { struct nand_chip *this; struct mtd_info *mtd; @@ -1556,12 +1557,13 @@ static int __devinit mxcnd_probe(struct platform_device *pdev) return 0; escan: - clk_disable_unprepare(host->clk); + if (host->clk_act) + clk_disable_unprepare(host->clk); return err; } -static int __devexit mxcnd_remove(struct platform_device *pdev) +static int mxcnd_remove(struct platform_device *pdev) { struct mxc_nand_host *host = platform_get_drvdata(pdev); @@ -1580,7 +1582,7 @@ static struct platform_driver mxcnd_driver = { }, .id_table = mxcnd_devtype, .probe = mxcnd_probe, - .remove = __devexit_p(mxcnd_remove), + .remove = mxcnd_remove, }; module_platform_driver(mxcnd_driver); diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 1a03b7f673ce..8323ac991ad1 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -93,8 +93,7 @@ static struct nand_ecclayout nand_oob_128 = { .length = 78} } }; -static int nand_get_device(struct nand_chip *chip, struct mtd_info *mtd, - int new_state); +static int nand_get_device(struct mtd_info *mtd, int new_state); static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops); @@ -130,15 +129,12 @@ static int check_offs_len(struct mtd_info *mtd, * nand_release_device - [GENERIC] release chip * @mtd: MTD device structure * - * Deselect, release chip lock and wake up anyone waiting on the device. + * Release chip lock and wake up anyone waiting on the device. */ static void nand_release_device(struct mtd_info *mtd) { struct nand_chip *chip = mtd->priv; - /* De-select the NAND device */ - chip->select_chip(mtd, -1); - /* Release the controller and the chip */ spin_lock(&chip->controller->lock); chip->controller->active = NULL; @@ -160,7 +156,7 @@ static uint8_t nand_read_byte(struct mtd_info *mtd) } /** - * nand_read_byte16 - [DEFAULT] read one byte endianess aware from the chip + * nand_read_byte16 - [DEFAULT] read one byte endianness aware from the chip * nand_read_byte16 - [DEFAULT] read one byte endianness aware from the chip * @mtd: MTD device structure * @@ -303,7 +299,7 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) if (getchip) { chipnr = (int)(ofs >> chip->chip_shift); - nand_get_device(chip, mtd, FL_READING); + nand_get_device(mtd, FL_READING); /* Select the NAND device */ chip->select_chip(mtd, chipnr); @@ -333,8 +329,10 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) i++; } while (!res && i < 2 && (chip->bbt_options & NAND_BBT_SCAN2NDPAGE)); - if (getchip) + if (getchip) { + chip->select_chip(mtd, -1); nand_release_device(mtd); + } return res; } @@ -383,7 +381,7 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs) struct mtd_oob_ops ops; loff_t wr_ofs = ofs; - nand_get_device(chip, mtd, FL_WRITING); + nand_get_device(mtd, FL_WRITING); ops.datbuf = NULL; ops.oobbuf = buf; @@ -492,7 +490,7 @@ static void panic_nand_wait_ready(struct mtd_info *mtd, unsigned long timeo) void nand_wait_ready(struct mtd_info *mtd) { struct nand_chip *chip = mtd->priv; - unsigned long timeo = jiffies + 2; + unsigned long timeo = jiffies + msecs_to_jiffies(20); /* 400ms timeout */ if (in_interrupt() || oops_in_progress) @@ -750,15 +748,15 @@ static void panic_nand_get_device(struct nand_chip *chip, /** * nand_get_device - [GENERIC] Get chip for selected access - * @chip: the nand chip descriptor * @mtd: MTD device structure * @new_state: the state which is requested * * Get the device and lock it for exclusive access */ static int -nand_get_device(struct nand_chip *chip, struct mtd_info *mtd, int new_state) +nand_get_device(struct mtd_info *mtd, int new_state) { + struct nand_chip *chip = mtd->priv; spinlock_t *lock = &chip->controller->lock; wait_queue_head_t *wq = &chip->controller->wq; DECLARE_WAITQUEUE(wait, current); @@ -865,6 +863,8 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip) led_trigger_event(nand_led_trigger, LED_OFF); status = (int)chip->read_byte(mtd); + /* This can happen if in case of timeout or buggy dev_ready */ + WARN_ON(!(status & NAND_STATUS_READY)); return status; } @@ -899,7 +899,7 @@ static int __nand_unlock(struct mtd_info *mtd, loff_t ofs, /* Call wait ready function */ status = chip->waitfunc(mtd, chip); /* See if device thinks it succeeded */ - if (status & 0x01) { + if (status & NAND_STATUS_FAIL) { pr_debug("%s: error status = 0x%08x\n", __func__, status); ret = -EIO; @@ -932,7 +932,7 @@ int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) if (ofs + len == mtd->size) len -= mtd->erasesize; - nand_get_device(chip, mtd, FL_UNLOCKING); + nand_get_device(mtd, FL_UNLOCKING); /* Shift to get chip number */ chipnr = ofs >> chip->chip_shift; @@ -950,6 +950,7 @@ int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) ret = __nand_unlock(mtd, ofs, len, 0); out: + chip->select_chip(mtd, -1); nand_release_device(mtd); return ret; @@ -981,7 +982,7 @@ int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) if (check_offs_len(mtd, ofs, len)) ret = -EINVAL; - nand_get_device(chip, mtd, FL_LOCKING); + nand_get_device(mtd, FL_LOCKING); /* Shift to get chip number */ chipnr = ofs >> chip->chip_shift; @@ -1004,7 +1005,7 @@ int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) /* Call wait ready function */ status = chip->waitfunc(mtd, chip); /* See if device thinks it succeeded */ - if (status & 0x01) { + if (status & NAND_STATUS_FAIL) { pr_debug("%s: error status = 0x%08x\n", __func__, status); ret = -EIO; @@ -1014,6 +1015,7 @@ int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) ret = __nand_unlock(mtd, ofs, len, 0x1); out: + chip->select_chip(mtd, -1); nand_release_device(mtd); return ret; @@ -1550,6 +1552,7 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from, chip->select_chip(mtd, chipnr); } } + chip->select_chip(mtd, -1); ops->retlen = ops->len - (size_t) readlen; if (oob) @@ -1577,11 +1580,10 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from, static int nand_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, uint8_t *buf) { - struct nand_chip *chip = mtd->priv; struct mtd_oob_ops ops; int ret; - nand_get_device(chip, mtd, FL_READING); + nand_get_device(mtd, FL_READING); ops.len = len; ops.datbuf = buf; ops.oobbuf = NULL; @@ -1804,6 +1806,7 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from, chip->select_chip(mtd, chipnr); } } + chip->select_chip(mtd, -1); ops->oobretlen = ops->ooblen - readlen; @@ -1827,7 +1830,6 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from, static int nand_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops) { - struct nand_chip *chip = mtd->priv; int ret = -ENOTSUPP; ops->retlen = 0; @@ -1839,7 +1841,7 @@ static int nand_read_oob(struct mtd_info *mtd, loff_t from, return -EINVAL; } - nand_get_device(chip, mtd, FL_READING); + nand_get_device(mtd, FL_READING); switch (ops->mode) { case MTD_OPS_PLACE_OOB: @@ -2186,8 +2188,10 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to, chip->select_chip(mtd, chipnr); /* Check, if it is write protected */ - if (nand_check_wp(mtd)) - return -EIO; + if (nand_check_wp(mtd)) { + ret = -EIO; + goto err_out; + } realpage = (int)(to >> chip->page_shift); page = realpage & chip->pagemask; @@ -2199,8 +2203,10 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to, chip->pagebuf = -1; /* Don't allow multipage oob writes with offset */ - if (oob && ops->ooboffs && (ops->ooboffs + ops->ooblen > oobmaxlen)) - return -EINVAL; + if (oob && ops->ooboffs && (ops->ooboffs + ops->ooblen > oobmaxlen)) { + ret = -EINVAL; + goto err_out; + } while (1) { int bytes = mtd->writesize; @@ -2251,6 +2257,9 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to, ops->retlen = ops->len - writelen; if (unlikely(oob)) ops->oobretlen = ops->ooblen; + +err_out: + chip->select_chip(mtd, -1); return ret; } @@ -2302,11 +2311,10 @@ static int panic_nand_write(struct mtd_info *mtd, loff_t to, size_t len, static int nand_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const uint8_t *buf) { - struct nand_chip *chip = mtd->priv; struct mtd_oob_ops ops; int ret; - nand_get_device(chip, mtd, FL_WRITING); + nand_get_device(mtd, FL_WRITING); ops.len = len; ops.datbuf = (uint8_t *)buf; ops.oobbuf = NULL; @@ -2377,8 +2385,10 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); /* Check, if it is write protected */ - if (nand_check_wp(mtd)) + if (nand_check_wp(mtd)) { + chip->select_chip(mtd, -1); return -EROFS; + } /* Invalidate the page cache, if we write to the cached page */ if (page == chip->pagebuf) @@ -2391,6 +2401,8 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, else status = chip->ecc.write_oob(mtd, chip, page & chip->pagemask); + chip->select_chip(mtd, -1); + if (status) return status; @@ -2408,7 +2420,6 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, static int nand_write_oob(struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops) { - struct nand_chip *chip = mtd->priv; int ret = -ENOTSUPP; ops->retlen = 0; @@ -2420,7 +2431,7 @@ static int nand_write_oob(struct mtd_info *mtd, loff_t to, return -EINVAL; } - nand_get_device(chip, mtd, FL_WRITING); + nand_get_device(mtd, FL_WRITING); switch (ops->mode) { case MTD_OPS_PLACE_OOB: @@ -2513,7 +2524,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr, return -EINVAL; /* Grab the lock and see if the device is available */ - nand_get_device(chip, mtd, FL_ERASING); + nand_get_device(mtd, FL_ERASING); /* Shift to get first page */ page = (int)(instr->addr >> chip->page_shift); @@ -2623,6 +2634,7 @@ erase_exit: ret = instr->state == MTD_ERASE_DONE ? 0 : -EIO; /* Deselect and wake up anyone waiting on the device */ + chip->select_chip(mtd, -1); nand_release_device(mtd); /* Do call back function */ @@ -2658,12 +2670,10 @@ erase_exit: */ static void nand_sync(struct mtd_info *mtd) { - struct nand_chip *chip = mtd->priv; - pr_debug("%s: called\n", __func__); /* Grab the lock and see if the device is available */ - nand_get_device(chip, mtd, FL_SYNCING); + nand_get_device(mtd, FL_SYNCING); /* Release it and go back */ nand_release_device(mtd); } @@ -2749,9 +2759,7 @@ static int nand_onfi_get_features(struct mtd_info *mtd, struct nand_chip *chip, */ static int nand_suspend(struct mtd_info *mtd) { - struct nand_chip *chip = mtd->priv; - - return nand_get_device(chip, mtd, FL_PM_SUSPENDED); + return nand_get_device(mtd, FL_PM_SUSPENDED); } /** @@ -2849,6 +2857,8 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, int i; int val; + /* ONFI need to be probed in 8 bits mode */ + WARN_ON(chip->options & NAND_BUSWIDTH_16); /* Try ONFI for unknown chip or LP */ chip->cmdfunc(mtd, NAND_CMD_READID, 0x20, -1); if (chip->read_byte(mtd) != 'O' || chip->read_byte(mtd) != 'N' || @@ -2913,7 +2923,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, * * Check if an ID string is repeated within a given sequence of bytes at * specific repetition interval period (e.g., {0x20,0x01,0x7F,0x20} has a - * period of 2). This is a helper function for nand_id_len(). Returns non-zero + * period of 3). This is a helper function for nand_id_len(). Returns non-zero * if the repetition has a period of @period; otherwise, returns zero. */ static int nand_id_has_period(u8 *id_data, int arrlen, int period) @@ -3242,11 +3252,15 @@ ident_done: break; } - /* - * Check, if buswidth is correct. Hardware drivers should set - * chip correct! - */ - if (busw != (chip->options & NAND_BUSWIDTH_16)) { + if (chip->options & NAND_BUSWIDTH_AUTO) { + WARN_ON(chip->options & NAND_BUSWIDTH_16); + chip->options |= busw; + nand_set_defaults(chip, busw); + } else if (busw != (chip->options & NAND_BUSWIDTH_16)) { + /* + * Check, if buswidth is correct. Hardware drivers should set + * chip correct! + */ pr_info("NAND device: Manufacturer ID:" " 0x%02x, Chip ID: 0x%02x (%s %s)\n", *maf_id, *dev_id, nand_manuf_ids[maf_idx].name, mtd->name); @@ -3285,10 +3299,10 @@ ident_done: chip->cmdfunc = nand_command_lp; pr_info("NAND device: Manufacturer ID: 0x%02x, Chip ID: 0x%02x (%s %s)," - " page size: %d, OOB size: %d\n", + " %dMiB, page size: %d, OOB size: %d\n", *maf_id, *dev_id, nand_manuf_ids[maf_idx].name, chip->onfi_version ? chip->onfi_params.model : type->name, - mtd->writesize, mtd->oobsize); + (int)(chip->chipsize >> 20), mtd->writesize, mtd->oobsize); return type; } @@ -3327,6 +3341,8 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips, return PTR_ERR(type); } + chip->select_chip(mtd, -1); + /* Check for a chip array */ for (i = 1; i < maxchips; i++) { chip->select_chip(mtd, i); @@ -3336,8 +3352,11 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips, chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1); /* Read manufacturer and device IDs */ if (nand_maf_id != chip->read_byte(mtd) || - nand_dev_id != chip->read_byte(mtd)) + nand_dev_id != chip->read_byte(mtd)) { + chip->select_chip(mtd, -1); break; + } + chip->select_chip(mtd, -1); } if (i > 1) pr_info("%d NAND chips detected\n", i); @@ -3596,9 +3615,6 @@ int nand_scan_tail(struct mtd_info *mtd) /* Initialize state */ chip->state = FL_READY; - /* De-select the device */ - chip->select_chip(mtd, -1); - /* Invalidate the pagebuffer reference */ chip->pagebuf = -1; diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index c3c13e64a2f0..818b65c85d12 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -42,6 +42,8 @@ #include <linux/sched.h> #include <linux/fs.h> #include <linux/pagemap.h> +#include <linux/seq_file.h> +#include <linux/debugfs.h> /* Default simulator parameters values */ #if !defined(CONFIG_NANDSIM_FIRST_ID_BYTE) || \ @@ -105,7 +107,6 @@ static char *weakblocks = NULL; static char *weakpages = NULL; static unsigned int bitflips = 0; static char *gravepages = NULL; -static unsigned int rptwear = 0; static unsigned int overridesize = 0; static char *cache_file = NULL; static unsigned int bbt; @@ -130,7 +131,6 @@ module_param(weakblocks, charp, 0400); module_param(weakpages, charp, 0400); module_param(bitflips, uint, 0400); module_param(gravepages, charp, 0400); -module_param(rptwear, uint, 0400); module_param(overridesize, uint, 0400); module_param(cache_file, charp, 0400); module_param(bbt, uint, 0400); @@ -162,7 +162,6 @@ MODULE_PARM_DESC(bitflips, "Maximum number of random bit flips per page (z MODULE_PARM_DESC(gravepages, "Pages that lose data [: maximum reads (defaults to 3)]" " separated by commas e.g. 1401:2 means page 1401" " can be read only twice before failing"); -MODULE_PARM_DESC(rptwear, "Number of erases between reporting wear, if not zero"); MODULE_PARM_DESC(overridesize, "Specifies the NAND Flash size overriding the ID bytes. " "The size is specified in erase blocks and as the exponent of a power of two" " e.g. 5 means a size of 32 erase blocks"); @@ -286,6 +285,11 @@ MODULE_PARM_DESC(bch, "Enable BCH ecc and set how many bits should " /* Maximum page cache pages needed to read or write a NAND page to the cache_file */ #define NS_MAX_HELD_PAGES 16 +struct nandsim_debug_info { + struct dentry *dfs_root; + struct dentry *dfs_wear_report; +}; + /* * A union to represent flash memory contents and flash buffer. */ @@ -365,6 +369,8 @@ struct nandsim { void *file_buf; struct page *held_pages[NS_MAX_HELD_PAGES]; int held_cnt; + + struct nandsim_debug_info dbg; }; /* @@ -442,11 +448,123 @@ static LIST_HEAD(grave_pages); static unsigned long *erase_block_wear = NULL; static unsigned int wear_eb_count = 0; static unsigned long total_wear = 0; -static unsigned int rptwear_cnt = 0; /* MTD structure for NAND controller */ static struct mtd_info *nsmtd; +static int nandsim_debugfs_show(struct seq_file *m, void *private) +{ + unsigned long wmin = -1, wmax = 0, avg; + unsigned long deciles[10], decile_max[10], tot = 0; + unsigned int i; + + /* Calc wear stats */ + for (i = 0; i < wear_eb_count; ++i) { + unsigned long wear = erase_block_wear[i]; + if (wear < wmin) + wmin = wear; + if (wear > wmax) + wmax = wear; + tot += wear; + } + + for (i = 0; i < 9; ++i) { + deciles[i] = 0; + decile_max[i] = (wmax * (i + 1) + 5) / 10; + } + deciles[9] = 0; + decile_max[9] = wmax; + for (i = 0; i < wear_eb_count; ++i) { + int d; + unsigned long wear = erase_block_wear[i]; + for (d = 0; d < 10; ++d) + if (wear <= decile_max[d]) { + deciles[d] += 1; + break; + } + } + avg = tot / wear_eb_count; + + /* Output wear report */ + seq_printf(m, "Total numbers of erases: %lu\n", tot); + seq_printf(m, "Number of erase blocks: %u\n", wear_eb_count); + seq_printf(m, "Average number of erases: %lu\n", avg); + seq_printf(m, "Maximum number of erases: %lu\n", wmax); + seq_printf(m, "Minimum number of erases: %lu\n", wmin); + for (i = 0; i < 10; ++i) { + unsigned long from = (i ? decile_max[i - 1] + 1 : 0); + if (from > decile_max[i]) + continue; + seq_printf(m, "Number of ebs with erase counts from %lu to %lu : %lu\n", + from, + decile_max[i], + deciles[i]); + } + + return 0; +} + +static int nandsim_debugfs_open(struct inode *inode, struct file *file) +{ + return single_open(file, nandsim_debugfs_show, inode->i_private); +} + +static const struct file_operations dfs_fops = { + .open = nandsim_debugfs_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +/** + * nandsim_debugfs_create - initialize debugfs + * @dev: nandsim device description object + * + * This function creates all debugfs files for UBI device @ubi. Returns zero in + * case of success and a negative error code in case of failure. + */ +static int nandsim_debugfs_create(struct nandsim *dev) +{ + struct nandsim_debug_info *dbg = &dev->dbg; + struct dentry *dent; + int err; + + if (!IS_ENABLED(CONFIG_DEBUG_FS)) + return 0; + + dent = debugfs_create_dir("nandsim", NULL); + if (IS_ERR_OR_NULL(dent)) { + int err = dent ? -ENODEV : PTR_ERR(dent); + + NS_ERR("cannot create \"nandsim\" debugfs directory, err %d\n", + err); + return err; + } + dbg->dfs_root = dent; + + dent = debugfs_create_file("wear_report", S_IRUSR, + dbg->dfs_root, dev, &dfs_fops); + if (IS_ERR_OR_NULL(dent)) + goto out_remove; + dbg->dfs_wear_report = dent; + + return 0; + +out_remove: + debugfs_remove_recursive(dbg->dfs_root); + err = dent ? PTR_ERR(dent) : -ENODEV; + return err; +} + +/** + * nandsim_debugfs_remove - destroy all debugfs files + */ +static void nandsim_debugfs_remove(struct nandsim *ns) +{ + if (IS_ENABLED(CONFIG_DEBUG_FS)) + debugfs_remove_recursive(ns->dbg.dfs_root); +} + /* * Allocate array of page pointers, create slab allocation for an array * and initialize the array by NULL pointers. @@ -911,8 +1029,6 @@ static int setup_wear_reporting(struct mtd_info *mtd) { size_t mem; - if (!rptwear) - return 0; wear_eb_count = div_u64(mtd->size, mtd->erasesize); mem = wear_eb_count * sizeof(unsigned long); if (mem / sizeof(unsigned long) != wear_eb_count) { @@ -929,64 +1045,18 @@ static int setup_wear_reporting(struct mtd_info *mtd) static void update_wear(unsigned int erase_block_no) { - unsigned long wmin = -1, wmax = 0, avg; - unsigned long deciles[10], decile_max[10], tot = 0; - unsigned int i; - if (!erase_block_wear) return; total_wear += 1; + /* + * TODO: Notify this through a debugfs entry, + * instead of showing an error message. + */ if (total_wear == 0) NS_ERR("Erase counter total overflow\n"); erase_block_wear[erase_block_no] += 1; if (erase_block_wear[erase_block_no] == 0) NS_ERR("Erase counter overflow for erase block %u\n", erase_block_no); - rptwear_cnt += 1; - if (rptwear_cnt < rptwear) - return; - rptwear_cnt = 0; - /* Calc wear stats */ - for (i = 0; i < wear_eb_count; ++i) { - unsigned long wear = erase_block_wear[i]; - if (wear < wmin) - wmin = wear; - if (wear > wmax) - wmax = wear; - tot += wear; - } - for (i = 0; i < 9; ++i) { - deciles[i] = 0; - decile_max[i] = (wmax * (i + 1) + 5) / 10; - } - deciles[9] = 0; - decile_max[9] = wmax; - for (i = 0; i < wear_eb_count; ++i) { - int d; - unsigned long wear = erase_block_wear[i]; - for (d = 0; d < 10; ++d) - if (wear <= decile_max[d]) { - deciles[d] += 1; - break; - } - } - avg = tot / wear_eb_count; - /* Output wear report */ - NS_INFO("*** Wear Report ***\n"); - NS_INFO("Total numbers of erases: %lu\n", tot); - NS_INFO("Number of erase blocks: %u\n", wear_eb_count); - NS_INFO("Average number of erases: %lu\n", avg); - NS_INFO("Maximum number of erases: %lu\n", wmax); - NS_INFO("Minimum number of erases: %lu\n", wmin); - for (i = 0; i < 10; ++i) { - unsigned long from = (i ? decile_max[i - 1] + 1 : 0); - if (from > decile_max[i]) - continue; - NS_INFO("Number of ebs with erase counts from %lu to %lu : %lu\n", - from, - decile_max[i], - deciles[i]); - } - NS_INFO("*** End of Wear Report ***\n"); } /* @@ -2327,6 +2397,9 @@ static int __init ns_init_module(void) if ((retval = setup_wear_reporting(nsmtd)) != 0) goto err_exit; + if ((retval = nandsim_debugfs_create(nand)) != 0) + goto err_exit; + if ((retval = init_nandsim(nsmtd)) != 0) goto err_exit; @@ -2366,6 +2439,7 @@ static void __exit ns_cleanup_module(void) struct nandsim *ns = ((struct nand_chip *)nsmtd->priv)->priv; int i; + nandsim_debugfs_remove(ns); free_nandsim(ns); /* Free nandsim private resources */ nand_release(nsmtd); /* Unregister driver */ for (i = 0;i < ARRAY_SIZE(ns->partitions); ++i) diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c index 5fd3f010e3ae..8e148f1478fd 100644 --- a/drivers/mtd/nand/ndfc.c +++ b/drivers/mtd/nand/ndfc.c @@ -197,7 +197,7 @@ err: return ret; } -static int __devinit ndfc_probe(struct platform_device *ofdev) +static int ndfc_probe(struct platform_device *ofdev) { struct ndfc_controller *ndfc; const __be32 *reg; @@ -256,7 +256,7 @@ static int __devinit ndfc_probe(struct platform_device *ofdev) return 0; } -static int __devexit ndfc_remove(struct platform_device *ofdev) +static int ndfc_remove(struct platform_device *ofdev) { struct ndfc_controller *ndfc = dev_get_drvdata(&ofdev->dev); @@ -279,7 +279,7 @@ static struct platform_driver ndfc_driver = { .of_match_table = ndfc_match, }, .probe = ndfc_probe, - .remove = __devexit_p(ndfc_remove), + .remove = ndfc_remove, }; module_platform_driver(ndfc_driver); diff --git a/drivers/mtd/nand/nomadik_nand.c b/drivers/mtd/nand/nomadik_nand.c deleted file mode 100644 index 9ee0c4edfacf..000000000000 --- a/drivers/mtd/nand/nomadik_nand.c +++ /dev/null @@ -1,235 +0,0 @@ -/* - * drivers/mtd/nand/nomadik_nand.c - * - * Overview: - * Driver for on-board NAND flash on Nomadik Platforms - * - * Copyright © 2007 STMicroelectronics Pvt. Ltd. - * Author: Sachin Verma <sachin.verma@st.com> - * - * Copyright © 2009 Alessandro Rubini - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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/init.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/nand.h> -#include <linux/mtd/nand_ecc.h> -#include <linux/platform_device.h> -#include <linux/mtd/partitions.h> -#include <linux/io.h> -#include <linux/slab.h> -#include <linux/platform_data/mtd-nomadik-nand.h> -#include <mach/fsmc.h> - -#include <mtd/mtd-abi.h> - -struct nomadik_nand_host { - struct mtd_info mtd; - struct nand_chip nand; - void __iomem *data_va; - void __iomem *cmd_va; - void __iomem *addr_va; - struct nand_bbt_descr *bbt_desc; -}; - -static struct nand_ecclayout nomadik_ecc_layout = { - .eccbytes = 3 * 4, - .eccpos = { /* each subpage has 16 bytes: pos 2,3,4 hosts ECC */ - 0x02, 0x03, 0x04, - 0x12, 0x13, 0x14, - 0x22, 0x23, 0x24, - 0x32, 0x33, 0x34}, - /* let's keep bytes 5,6,7 for us, just in case we change ECC algo */ - .oobfree = { {0x08, 0x08}, {0x18, 0x08}, {0x28, 0x08}, {0x38, 0x08} }, -}; - -static void nomadik_ecc_control(struct mtd_info *mtd, int mode) -{ - /* No need to enable hw ecc, it's on by default */ -} - -static void nomadik_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) -{ - struct nand_chip *nand = mtd->priv; - struct nomadik_nand_host *host = nand->priv; - - if (cmd == NAND_CMD_NONE) - return; - - if (ctrl & NAND_CLE) - writeb(cmd, host->cmd_va); - else - writeb(cmd, host->addr_va); -} - -static int nomadik_nand_probe(struct platform_device *pdev) -{ - struct nomadik_nand_platform_data *pdata = pdev->dev.platform_data; - struct nomadik_nand_host *host; - struct mtd_info *mtd; - struct nand_chip *nand; - struct resource *res; - int ret = 0; - - /* Allocate memory for the device structure (and zero it) */ - host = kzalloc(sizeof(struct nomadik_nand_host), GFP_KERNEL); - if (!host) { - dev_err(&pdev->dev, "Failed to allocate device structure.\n"); - return -ENOMEM; - } - - /* Call the client's init function, if any */ - if (pdata->init) - ret = pdata->init(); - if (ret < 0) { - dev_err(&pdev->dev, "Init function failed\n"); - goto err; - } - - /* ioremap three regions */ - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nand_addr"); - if (!res) { - ret = -EIO; - goto err_unmap; - } - host->addr_va = ioremap(res->start, resource_size(res)); - - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nand_data"); - if (!res) { - ret = -EIO; - goto err_unmap; - } - host->data_va = ioremap(res->start, resource_size(res)); - - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nand_cmd"); - if (!res) { - ret = -EIO; - goto err_unmap; - } - host->cmd_va = ioremap(res->start, resource_size(res)); - - if (!host->addr_va || !host->data_va || !host->cmd_va) { - ret = -ENOMEM; - goto err_unmap; - } - - /* Link all private pointers */ - mtd = &host->mtd; - nand = &host->nand; - mtd->priv = nand; - nand->priv = host; - - host->mtd.owner = THIS_MODULE; - nand->IO_ADDR_R = host->data_va; - nand->IO_ADDR_W = host->data_va; - nand->cmd_ctrl = nomadik_cmd_ctrl; - - /* - * This stanza declares ECC_HW but uses soft routines. It's because - * HW claims to make the calculation but not the correction. However, - * I haven't managed to get the desired data out of it until now. - */ - nand->ecc.mode = NAND_ECC_SOFT; - nand->ecc.layout = &nomadik_ecc_layout; - nand->ecc.hwctl = nomadik_ecc_control; - nand->ecc.size = 512; - nand->ecc.bytes = 3; - - nand->options = pdata->options; - - /* - * Scan to find existence of the device - */ - if (nand_scan(&host->mtd, 1)) { - ret = -ENXIO; - goto err_unmap; - } - - mtd_device_register(&host->mtd, pdata->parts, pdata->nparts); - - platform_set_drvdata(pdev, host); - return 0; - - err_unmap: - if (host->cmd_va) - iounmap(host->cmd_va); - if (host->data_va) - iounmap(host->data_va); - if (host->addr_va) - iounmap(host->addr_va); - err: - kfree(host); - return ret; -} - -/* - * Clean up routine - */ -static int nomadik_nand_remove(struct platform_device *pdev) -{ - struct nomadik_nand_host *host = platform_get_drvdata(pdev); - struct nomadik_nand_platform_data *pdata = pdev->dev.platform_data; - - if (pdata->exit) - pdata->exit(); - - if (host) { - nand_release(&host->mtd); - iounmap(host->cmd_va); - iounmap(host->data_va); - iounmap(host->addr_va); - kfree(host); - } - return 0; -} - -static int nomadik_nand_suspend(struct device *dev) -{ - struct nomadik_nand_host *host = dev_get_drvdata(dev); - int ret = 0; - if (host) - ret = mtd_suspend(&host->mtd); - return ret; -} - -static int nomadik_nand_resume(struct device *dev) -{ - struct nomadik_nand_host *host = dev_get_drvdata(dev); - if (host) - mtd_resume(&host->mtd); - return 0; -} - -static const struct dev_pm_ops nomadik_nand_pm_ops = { - .suspend = nomadik_nand_suspend, - .resume = nomadik_nand_resume, -}; - -static struct platform_driver nomadik_nand_driver = { - .probe = nomadik_nand_probe, - .remove = nomadik_nand_remove, - .driver = { - .owner = THIS_MODULE, - .name = "nomadik_nand", - .pm = &nomadik_nand_pm_ops, - }, -}; - -module_platform_driver(nomadik_nand_driver); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("ST Microelectronics (sachin.verma@st.com)"); -MODULE_DESCRIPTION("NAND driver for Nomadik Platform"); diff --git a/drivers/mtd/nand/nuc900_nand.c b/drivers/mtd/nand/nuc900_nand.c index 94dc46bc118c..a6191198d259 100644 --- a/drivers/mtd/nand/nuc900_nand.c +++ b/drivers/mtd/nand/nuc900_nand.c @@ -246,7 +246,7 @@ static void nuc900_nand_enable(struct nuc900_nand *nand) spin_unlock(&nand->lock); } -static int __devinit nuc900_nand_probe(struct platform_device *pdev) +static int nuc900_nand_probe(struct platform_device *pdev) { struct nuc900_nand *nuc900_nand; struct nand_chip *chip; @@ -317,7 +317,7 @@ fail1: kfree(nuc900_nand); return retval; } -static int __devexit nuc900_nand_remove(struct platform_device *pdev) +static int nuc900_nand_remove(struct platform_device *pdev) { struct nuc900_nand *nuc900_nand = platform_get_drvdata(pdev); struct resource *res; @@ -340,7 +340,7 @@ static int __devexit nuc900_nand_remove(struct platform_device *pdev) static struct platform_driver nuc900_nand_driver = { .probe = nuc900_nand_probe, - .remove = __devexit_p(nuc900_nand_remove), + .remove = nuc900_nand_remove, .driver = { .name = "nuc900-fmi", .owner = THIS_MODULE, diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 1f34ba104ef4..0002d5e94f0d 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -1323,7 +1323,7 @@ static void omap3_free_bch(struct mtd_info *mtd) } #endif /* CONFIG_MTD_NAND_OMAP_BCH */ -static int __devinit omap_nand_probe(struct platform_device *pdev) +static int omap_nand_probe(struct platform_device *pdev) { struct omap_nand_info *info; struct omap_nand_platform_data *pdata; diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c index aefaf8cd31ef..cd72b9299f6b 100644 --- a/drivers/mtd/nand/orion_nand.c +++ b/drivers/mtd/nand/orion_nand.c @@ -194,7 +194,7 @@ no_res: return ret; } -static int __devexit orion_nand_remove(struct platform_device *pdev) +static int orion_nand_remove(struct platform_device *pdev) { struct mtd_info *mtd = platform_get_drvdata(pdev); struct nand_chip *nc = mtd->priv; @@ -223,7 +223,7 @@ static struct of_device_id orion_nand_of_match_table[] = { #endif static struct platform_driver orion_nand_driver = { - .remove = __devexit_p(orion_nand_remove), + .remove = orion_nand_remove, .driver = { .name = "orion_nand", .owner = THIS_MODULE, diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c index 1440e51cedcc..5a67082c07ee 100644 --- a/drivers/mtd/nand/pasemi_nand.c +++ b/drivers/mtd/nand/pasemi_nand.c @@ -89,7 +89,7 @@ int pasemi_device_ready(struct mtd_info *mtd) return !!(inl(lpcctl) & LBICTRL_LPCCTL_NR); } -static int __devinit pasemi_nand_probe(struct platform_device *ofdev) +static int pasemi_nand_probe(struct platform_device *ofdev) { struct pci_dev *pdev; struct device_node *np = ofdev->dev.of_node; @@ -184,7 +184,7 @@ static int __devinit pasemi_nand_probe(struct platform_device *ofdev) return err; } -static int __devexit pasemi_nand_remove(struct platform_device *ofdev) +static int pasemi_nand_remove(struct platform_device *ofdev) { struct nand_chip *chip; diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c index a47ee68a0cfa..c004566a9ad2 100644 --- a/drivers/mtd/nand/plat_nand.c +++ b/drivers/mtd/nand/plat_nand.c @@ -28,7 +28,7 @@ static const char *part_probe_types[] = { "cmdlinepart", NULL }; /* * Probe for the NAND device. */ -static int __devinit plat_nand_probe(struct platform_device *pdev) +static int plat_nand_probe(struct platform_device *pdev) { struct platform_nand_data *pdata = pdev->dev.platform_data; struct mtd_part_parser_data ppdata; @@ -134,7 +134,7 @@ out_free: /* * Remove a NAND device. */ -static int __devexit plat_nand_remove(struct platform_device *pdev) +static int plat_nand_remove(struct platform_device *pdev) { struct plat_nand_data *data = platform_get_drvdata(pdev); struct platform_nand_data *pdata = pdev->dev.platform_data; @@ -160,7 +160,7 @@ MODULE_DEVICE_TABLE(of, plat_nand_match); static struct platform_driver plat_nand_driver = { .probe = plat_nand_probe, - .remove = __devexit_p(plat_nand_remove), + .remove = plat_nand_remove, .driver = { .name = "gen_nand", .owner = THIS_MODULE, diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c index 79ded48e7427..df954b4dcba2 100644 --- a/drivers/mtd/nand/s3c2410.c +++ b/drivers/mtd/nand/s3c2410.c @@ -730,11 +730,14 @@ static int s3c2410_nand_add_partition(struct s3c2410_nand_info *info, struct s3c2410_nand_mtd *mtd, struct s3c2410_nand_set *set) { - if (set) + if (set) { mtd->mtd.name = set->name; - return mtd_device_parse_register(&mtd->mtd, NULL, NULL, + return mtd_device_parse_register(&mtd->mtd, NULL, NULL, set->partitions, set->nr_partitions); + } + + return -ENODEV; } /** diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c index f48ac5d80bbf..57b3971c9c0a 100644 --- a/drivers/mtd/nand/sh_flctl.c +++ b/drivers/mtd/nand/sh_flctl.c @@ -23,11 +23,18 @@ #include <linux/module.h> #include <linux/kernel.h> +#include <linux/completion.h> #include <linux/delay.h> +#include <linux/dmaengine.h> +#include <linux/dma-mapping.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/of_mtd.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> +#include <linux/sh_dma.h> #include <linux/slab.h> #include <linux/string.h> @@ -106,6 +113,84 @@ static void wait_completion(struct sh_flctl *flctl) writeb(0x0, FLTRCR(flctl)); } +static void flctl_dma_complete(void *param) +{ + struct sh_flctl *flctl = param; + + complete(&flctl->dma_complete); +} + +static void flctl_release_dma(struct sh_flctl *flctl) +{ + if (flctl->chan_fifo0_rx) { + dma_release_channel(flctl->chan_fifo0_rx); + flctl->chan_fifo0_rx = NULL; + } + if (flctl->chan_fifo0_tx) { + dma_release_channel(flctl->chan_fifo0_tx); + flctl->chan_fifo0_tx = NULL; + } +} + +static void flctl_setup_dma(struct sh_flctl *flctl) +{ + dma_cap_mask_t mask; + struct dma_slave_config cfg; + struct platform_device *pdev = flctl->pdev; + struct sh_flctl_platform_data *pdata = pdev->dev.platform_data; + int ret; + + if (!pdata) + return; + + if (pdata->slave_id_fifo0_tx <= 0 || pdata->slave_id_fifo0_rx <= 0) + return; + + /* We can only either use DMA for both Tx and Rx or not use it at all */ + dma_cap_zero(mask); + dma_cap_set(DMA_SLAVE, mask); + + flctl->chan_fifo0_tx = dma_request_channel(mask, shdma_chan_filter, + (void *)pdata->slave_id_fifo0_tx); + dev_dbg(&pdev->dev, "%s: TX: got channel %p\n", __func__, + flctl->chan_fifo0_tx); + + if (!flctl->chan_fifo0_tx) + return; + + memset(&cfg, 0, sizeof(cfg)); + cfg.slave_id = pdata->slave_id_fifo0_tx; + cfg.direction = DMA_MEM_TO_DEV; + cfg.dst_addr = (dma_addr_t)FLDTFIFO(flctl); + cfg.src_addr = 0; + ret = dmaengine_slave_config(flctl->chan_fifo0_tx, &cfg); + if (ret < 0) + goto err; + + flctl->chan_fifo0_rx = dma_request_channel(mask, shdma_chan_filter, + (void *)pdata->slave_id_fifo0_rx); + dev_dbg(&pdev->dev, "%s: RX: got channel %p\n", __func__, + flctl->chan_fifo0_rx); + + if (!flctl->chan_fifo0_rx) + goto err; + + cfg.slave_id = pdata->slave_id_fifo0_rx; + cfg.direction = DMA_DEV_TO_MEM; + cfg.dst_addr = 0; + cfg.src_addr = (dma_addr_t)FLDTFIFO(flctl); + ret = dmaengine_slave_config(flctl->chan_fifo0_rx, &cfg); + if (ret < 0) + goto err; + + init_completion(&flctl->dma_complete); + + return; + +err: + flctl_release_dma(flctl); +} + static void set_addr(struct mtd_info *mtd, int column, int page_addr) { struct sh_flctl *flctl = mtd_to_flctl(mtd); @@ -225,7 +310,7 @@ static enum flctl_ecc_res_t wait_recfifo_ready for (i = 0; i < 3; i++) { uint8_t org; - int index; + unsigned int index; data = readl(ecc_reg[i]); @@ -261,6 +346,70 @@ static void wait_wecfifo_ready(struct sh_flctl *flctl) timeout_error(flctl, __func__); } +static int flctl_dma_fifo0_transfer(struct sh_flctl *flctl, unsigned long *buf, + int len, enum dma_data_direction dir) +{ + struct dma_async_tx_descriptor *desc = NULL; + struct dma_chan *chan; + enum dma_transfer_direction tr_dir; + dma_addr_t dma_addr; + dma_cookie_t cookie = -EINVAL; + uint32_t reg; + int ret; + + if (dir == DMA_FROM_DEVICE) { + chan = flctl->chan_fifo0_rx; + tr_dir = DMA_DEV_TO_MEM; + } else { + chan = flctl->chan_fifo0_tx; + tr_dir = DMA_MEM_TO_DEV; + } + + dma_addr = dma_map_single(chan->device->dev, buf, len, dir); + + if (dma_addr) + desc = dmaengine_prep_slave_single(chan, dma_addr, len, + tr_dir, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + + if (desc) { + reg = readl(FLINTDMACR(flctl)); + reg |= DREQ0EN; + writel(reg, FLINTDMACR(flctl)); + + desc->callback = flctl_dma_complete; + desc->callback_param = flctl; + cookie = dmaengine_submit(desc); + + dma_async_issue_pending(chan); + } else { + /* DMA failed, fall back to PIO */ + flctl_release_dma(flctl); + dev_warn(&flctl->pdev->dev, + "DMA failed, falling back to PIO\n"); + ret = -EIO; + goto out; + } + + ret = + wait_for_completion_timeout(&flctl->dma_complete, + msecs_to_jiffies(3000)); + + if (ret <= 0) { + chan->device->device_control(chan, DMA_TERMINATE_ALL, 0); + dev_err(&flctl->pdev->dev, "wait_for_completion_timeout\n"); + } + +out: + reg = readl(FLINTDMACR(flctl)); + reg &= ~DREQ0EN; + writel(reg, FLINTDMACR(flctl)); + + dma_unmap_single(chan->device->dev, dma_addr, len, dir); + + /* ret > 0 is success */ + return ret; +} + static void read_datareg(struct sh_flctl *flctl, int offset) { unsigned long data; @@ -279,11 +428,20 @@ static void read_fiforeg(struct sh_flctl *flctl, int rlen, int offset) len_4align = (rlen + 3) / 4; + /* initiate DMA transfer */ + if (flctl->chan_fifo0_rx && rlen >= 32 && + flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_DEV_TO_MEM) > 0) + goto convert; /* DMA success */ + + /* do polling transfer */ for (i = 0; i < len_4align; i++) { wait_rfifo_ready(flctl); buf[i] = readl(FLDTFIFO(flctl)); - buf[i] = be32_to_cpu(buf[i]); } + +convert: + for (i = 0; i < len_4align; i++) + buf[i] = be32_to_cpu(buf[i]); } static enum flctl_ecc_res_t read_ecfiforeg @@ -305,28 +463,39 @@ static enum flctl_ecc_res_t read_ecfiforeg return res; } -static void write_fiforeg(struct sh_flctl *flctl, int rlen, int offset) +static void write_fiforeg(struct sh_flctl *flctl, int rlen, + unsigned int offset) { int i, len_4align; - unsigned long *data = (unsigned long *)&flctl->done_buff[offset]; - void *fifo_addr = (void *)FLDTFIFO(flctl); + unsigned long *buf = (unsigned long *)&flctl->done_buff[offset]; len_4align = (rlen + 3) / 4; for (i = 0; i < len_4align; i++) { wait_wfifo_ready(flctl); - writel(cpu_to_be32(data[i]), fifo_addr); + writel(cpu_to_be32(buf[i]), FLDTFIFO(flctl)); } } -static void write_ec_fiforeg(struct sh_flctl *flctl, int rlen, int offset) +static void write_ec_fiforeg(struct sh_flctl *flctl, int rlen, + unsigned int offset) { int i, len_4align; - unsigned long *data = (unsigned long *)&flctl->done_buff[offset]; + unsigned long *buf = (unsigned long *)&flctl->done_buff[offset]; len_4align = (rlen + 3) / 4; + + for (i = 0; i < len_4align; i++) + buf[i] = cpu_to_be32(buf[i]); + + /* initiate DMA transfer */ + if (flctl->chan_fifo0_tx && rlen >= 32 && + flctl_dma_fifo0_transfer(flctl, buf, rlen, DMA_MEM_TO_DEV) > 0) + return; /* DMA success */ + + /* do polling transfer */ for (i = 0; i < len_4align; i++) { wait_wecfifo_ready(flctl); - writel(cpu_to_be32(data[i]), FLECFIFO(flctl)); + writel(buf[i], FLECFIFO(flctl)); } } @@ -750,41 +919,35 @@ static void flctl_select_chip(struct mtd_info *mtd, int chipnr) static void flctl_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) { struct sh_flctl *flctl = mtd_to_flctl(mtd); - int index = flctl->index; - memcpy(&flctl->done_buff[index], buf, len); + memcpy(&flctl->done_buff[flctl->index], buf, len); flctl->index += len; } static uint8_t flctl_read_byte(struct mtd_info *mtd) { struct sh_flctl *flctl = mtd_to_flctl(mtd); - int index = flctl->index; uint8_t data; - data = flctl->done_buff[index]; + data = flctl->done_buff[flctl->index]; flctl->index++; return data; } static uint16_t flctl_read_word(struct mtd_info *mtd) { - struct sh_flctl *flctl = mtd_to_flctl(mtd); - int index = flctl->index; - uint16_t data; - uint16_t *buf = (uint16_t *)&flctl->done_buff[index]; + struct sh_flctl *flctl = mtd_to_flctl(mtd); + uint16_t *buf = (uint16_t *)&flctl->done_buff[flctl->index]; - data = *buf; - flctl->index += 2; - return data; + flctl->index += 2; + return *buf; } static void flctl_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) { struct sh_flctl *flctl = mtd_to_flctl(mtd); - int index = flctl->index; - memcpy(buf, &flctl->done_buff[index], len); + memcpy(buf, &flctl->done_buff[flctl->index], len); flctl->index += len; } @@ -858,7 +1021,74 @@ static irqreturn_t flctl_handle_flste(int irq, void *dev_id) return IRQ_HANDLED; } -static int __devinit flctl_probe(struct platform_device *pdev) +#ifdef CONFIG_OF +struct flctl_soc_config { + unsigned long flcmncr_val; + unsigned has_hwecc:1; + unsigned use_holden:1; +}; + +static struct flctl_soc_config flctl_sh7372_config = { + .flcmncr_val = CLK_16B_12L_4H | TYPESEL_SET | SHBUSSEL, + .has_hwecc = 1, + .use_holden = 1, +}; + +static const struct of_device_id of_flctl_match[] = { + { .compatible = "renesas,shmobile-flctl-sh7372", + .data = &flctl_sh7372_config }, + {}, +}; +MODULE_DEVICE_TABLE(of, of_flctl_match); + +static struct sh_flctl_platform_data *flctl_parse_dt(struct device *dev) +{ + const struct of_device_id *match; + struct flctl_soc_config *config; + struct sh_flctl_platform_data *pdata; + struct device_node *dn = dev->of_node; + int ret; + + match = of_match_device(of_flctl_match, dev); + if (match) + config = (struct flctl_soc_config *)match->data; + else { + dev_err(dev, "%s: no OF configuration attached\n", __func__); + return NULL; + } + + pdata = devm_kzalloc(dev, sizeof(struct sh_flctl_platform_data), + GFP_KERNEL); + if (!pdata) { + dev_err(dev, "%s: failed to allocate config data\n", __func__); + return NULL; + } + + /* set SoC specific options */ + pdata->flcmncr_val = config->flcmncr_val; + pdata->has_hwecc = config->has_hwecc; + pdata->use_holden = config->use_holden; + + /* parse user defined options */ + ret = of_get_nand_bus_width(dn); + if (ret == 16) + pdata->flcmncr_val |= SEL_16BIT; + else if (ret != 8) { + dev_err(dev, "%s: invalid bus width\n", __func__); + return NULL; + } + + return pdata; +} +#else /* CONFIG_OF */ +#define of_flctl_match NULL +static struct sh_flctl_platform_data *flctl_parse_dt(struct device *dev) +{ + return NULL; +} +#endif /* CONFIG_OF */ + +static int flctl_probe(struct platform_device *pdev) { struct resource *res; struct sh_flctl *flctl; @@ -867,12 +1097,7 @@ static int __devinit flctl_probe(struct platform_device *pdev) struct sh_flctl_platform_data *pdata; int ret = -ENXIO; int irq; - - pdata = pdev->dev.platform_data; - if (pdata == NULL) { - dev_err(&pdev->dev, "no platform data defined\n"); - return -EINVAL; - } + struct mtd_part_parser_data ppdata = {}; flctl = kzalloc(sizeof(struct sh_flctl), GFP_KERNEL); if (!flctl) { @@ -904,6 +1129,17 @@ static int __devinit flctl_probe(struct platform_device *pdev) goto err_flste; } + if (pdev->dev.of_node) + pdata = flctl_parse_dt(&pdev->dev); + else + pdata = pdev->dev.platform_data; + + if (!pdata) { + dev_err(&pdev->dev, "no setup data defined\n"); + ret = -EINVAL; + goto err_pdata; + } + platform_set_drvdata(pdev, flctl); flctl_mtd = &flctl->mtd; nand = &flctl->chip; @@ -932,6 +1168,8 @@ static int __devinit flctl_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); pm_runtime_resume(&pdev->dev); + flctl_setup_dma(flctl); + ret = nand_scan_ident(flctl_mtd, 1, NULL); if (ret) goto err_chip; @@ -944,12 +1182,16 @@ static int __devinit flctl_probe(struct platform_device *pdev) if (ret) goto err_chip; - mtd_device_register(flctl_mtd, pdata->parts, pdata->nr_parts); + ppdata.of_node = pdev->dev.of_node; + ret = mtd_device_parse_register(flctl_mtd, NULL, &ppdata, pdata->parts, + pdata->nr_parts); return 0; err_chip: + flctl_release_dma(flctl); pm_runtime_disable(&pdev->dev); +err_pdata: free_irq(irq, flctl); err_flste: iounmap(flctl->reg); @@ -958,10 +1200,11 @@ err_iomap: return ret; } -static int __devexit flctl_remove(struct platform_device *pdev) +static int flctl_remove(struct platform_device *pdev) { struct sh_flctl *flctl = platform_get_drvdata(pdev); + flctl_release_dma(flctl); nand_release(&flctl->mtd); pm_runtime_disable(&pdev->dev); free_irq(platform_get_irq(pdev, 0), flctl); @@ -976,6 +1219,7 @@ static struct platform_driver flctl_driver = { .driver = { .name = "sh_flctl", .owner = THIS_MODULE, + .of_match_table = of_flctl_match, }, }; diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c index 3421e3762a5a..127bc4271821 100644 --- a/drivers/mtd/nand/sharpsl.c +++ b/drivers/mtd/nand/sharpsl.c @@ -106,7 +106,7 @@ static int sharpsl_nand_calculate_ecc(struct mtd_info *mtd, const u_char * dat, /* * Main initialization routine */ -static int __devinit sharpsl_nand_probe(struct platform_device *pdev) +static int sharpsl_nand_probe(struct platform_device *pdev) { struct nand_chip *this; struct resource *r; @@ -205,7 +205,7 @@ err_get_res: /* * Clean up routine */ -static int __devexit sharpsl_nand_remove(struct platform_device *pdev) +static int sharpsl_nand_remove(struct platform_device *pdev) { struct sharpsl_nand *sharpsl = platform_get_drvdata(pdev); @@ -228,7 +228,7 @@ static struct platform_driver sharpsl_nand_driver = { .owner = THIS_MODULE, }, .probe = sharpsl_nand_probe, - .remove = __devexit_p(sharpsl_nand_remove), + .remove = sharpsl_nand_remove, }; module_platform_driver(sharpsl_nand_driver); diff --git a/drivers/mtd/nand/socrates_nand.c b/drivers/mtd/nand/socrates_nand.c index f3f28fafbf7a..09dde7d27178 100644 --- a/drivers/mtd/nand/socrates_nand.c +++ b/drivers/mtd/nand/socrates_nand.c @@ -140,7 +140,7 @@ static int socrates_nand_device_ready(struct mtd_info *mtd) /* * Probe for the NAND device. */ -static int __devinit socrates_nand_probe(struct platform_device *ofdev) +static int socrates_nand_probe(struct platform_device *ofdev) { struct socrates_nand_host *host; struct mtd_info *mtd; @@ -220,7 +220,7 @@ out: /* * Remove a NAND device. */ -static int __devexit socrates_nand_remove(struct platform_device *ofdev) +static int socrates_nand_remove(struct platform_device *ofdev) { struct socrates_nand_host *host = dev_get_drvdata(&ofdev->dev); struct mtd_info *mtd = &host->mtd; @@ -251,7 +251,7 @@ static struct platform_driver socrates_nand_driver = { .of_match_table = socrates_nand_match, }, .probe = socrates_nand_probe, - .remove = __devexit_p(socrates_nand_remove), + .remove = socrates_nand_remove, }; module_platform_driver(socrates_nand_driver); diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c index d9127e2ed808..dbd3aa574eaf 100644 --- a/drivers/mtd/ofpart.c +++ b/drivers/mtd/ofpart.c @@ -71,7 +71,10 @@ static int parse_ofpart_partitions(struct mtd_info *master, (*pparts)[i].name = (char *)partname; if (of_get_property(pp, "read-only", &len)) - (*pparts)[i].mask_flags = MTD_WRITEABLE; + (*pparts)[i].mask_flags |= MTD_WRITEABLE; + + if (of_get_property(pp, "lock", &len)) + (*pparts)[i].mask_flags |= MTD_POWERUP_LOCK; i++; } diff --git a/drivers/mtd/onenand/generic.c b/drivers/mtd/onenand/generic.c index 1c4f97c63e62..9f11562f849d 100644 --- a/drivers/mtd/onenand/generic.c +++ b/drivers/mtd/onenand/generic.c @@ -35,7 +35,7 @@ struct onenand_info { struct onenand_chip onenand; }; -static int __devinit generic_onenand_probe(struct platform_device *pdev) +static int generic_onenand_probe(struct platform_device *pdev) { struct onenand_info *info; struct onenand_platform_data *pdata = pdev->dev.platform_data; @@ -88,7 +88,7 @@ out_free_info: return err; } -static int __devexit generic_onenand_remove(struct platform_device *pdev) +static int generic_onenand_remove(struct platform_device *pdev) { struct onenand_info *info = platform_get_drvdata(pdev); struct resource *res = pdev->resource; @@ -112,7 +112,7 @@ static struct platform_driver generic_onenand_driver = { .owner = THIS_MODULE, }, .probe = generic_onenand_probe, - .remove = __devexit_p(generic_onenand_remove), + .remove = generic_onenand_remove, }; module_platform_driver(generic_onenand_driver); diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c index 00cd3da29435..065f3fe02a2f 100644 --- a/drivers/mtd/onenand/omap2.c +++ b/drivers/mtd/onenand/omap2.c @@ -630,7 +630,7 @@ static int omap2_onenand_disable(struct mtd_info *mtd) return ret; } -static int __devinit omap2_onenand_probe(struct platform_device *pdev) +static int omap2_onenand_probe(struct platform_device *pdev) { struct omap_onenand_platform_data *pdata; struct omap2_onenand *c; @@ -799,7 +799,7 @@ err_kfree: return r; } -static int __devexit omap2_onenand_remove(struct platform_device *pdev) +static int omap2_onenand_remove(struct platform_device *pdev) { struct omap2_onenand *c = dev_get_drvdata(&pdev->dev); @@ -822,7 +822,7 @@ static int __devexit omap2_onenand_remove(struct platform_device *pdev) static struct platform_driver omap2_onenand_driver = { .probe = omap2_onenand_probe, - .remove = __devexit_p(omap2_onenand_remove), + .remove = omap2_onenand_remove, .shutdown = omap2_onenand_shutdown, .driver = { .name = DRIVER_NAME, diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c index 8e4b3f2742ba..33f2a8fb8df9 100644 --- a/drivers/mtd/onenand/samsung.c +++ b/drivers/mtd/onenand/samsung.c @@ -1053,7 +1053,7 @@ onenand_fail: return err; } -static int __devexit s3c_onenand_remove(struct platform_device *pdev) +static int s3c_onenand_remove(struct platform_device *pdev) { struct mtd_info *mtd = platform_get_drvdata(pdev); @@ -1130,7 +1130,7 @@ static struct platform_driver s3c_onenand_driver = { }, .id_table = s3c_onenand_driver_ids, .probe = s3c_onenand_probe, - .remove = __devexit_p(s3c_onenand_remove), + .remove = s3c_onenand_remove, }; module_platform_driver(s3c_onenand_driver); diff --git a/drivers/mtd/tests/mtd_nandbiterrs.c b/drivers/mtd/tests/mtd_nandbiterrs.c index cc8d62cb280c..207bf9a9972f 100644 --- a/drivers/mtd/tests/mtd_nandbiterrs.c +++ b/drivers/mtd/tests/mtd_nandbiterrs.c @@ -39,6 +39,9 @@ * this program; see the file COPYING. If not, write to the Free Software * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/init.h> #include <linux/module.h> #include <linux/moduleparam.h> @@ -47,8 +50,6 @@ #include <linux/mtd/nand.h> #include <linux/slab.h> -#define msg(FMT, VA...) pr_info("mtd_nandbiterrs: "FMT, ##VA) - static int dev; module_param(dev, int, S_IRUGO); MODULE_PARM_DESC(dev, "MTD device number to use"); @@ -103,7 +104,7 @@ static int erase_block(void) struct erase_info ei; loff_t addr = eraseblock * mtd->erasesize; - msg("erase_block\n"); + pr_info("erase_block\n"); memset(&ei, 0, sizeof(struct erase_info)); ei.mtd = mtd; @@ -112,7 +113,7 @@ static int erase_block(void) err = mtd_erase(mtd, &ei); if (err || ei.state == MTD_ERASE_FAILED) { - msg("error %d while erasing\n", err); + pr_err("error %d while erasing\n", err); if (!err) err = -EIO; return err; @@ -128,11 +129,11 @@ static int write_page(int log) size_t written; if (log) - msg("write_page\n"); + pr_info("write_page\n"); err = mtd_write(mtd, offset, mtd->writesize, &written, wbuffer); if (err || written != mtd->writesize) { - msg("error: write failed at %#llx\n", (long long)offset); + pr_err("error: write failed at %#llx\n", (long long)offset); if (!err) err = -EIO; } @@ -147,7 +148,7 @@ static int rewrite_page(int log) struct mtd_oob_ops ops; if (log) - msg("rewrite page\n"); + pr_info("rewrite page\n"); ops.mode = MTD_OPS_RAW; /* No ECC */ ops.len = mtd->writesize; @@ -160,7 +161,7 @@ static int rewrite_page(int log) err = mtd_write_oob(mtd, offset, &ops); if (err || ops.retlen != mtd->writesize) { - msg("error: write_oob failed (%d)\n", err); + pr_err("error: write_oob failed (%d)\n", err); if (!err) err = -EIO; } @@ -177,7 +178,7 @@ static int read_page(int log) struct mtd_ecc_stats oldstats; if (log) - msg("read_page\n"); + pr_info("read_page\n"); /* Saving last mtd stats */ memcpy(&oldstats, &mtd->ecc_stats, sizeof(oldstats)); @@ -187,7 +188,7 @@ static int read_page(int log) err = mtd->ecc_stats.corrected - oldstats.corrected; if (err < 0 || read != mtd->writesize) { - msg("error: read failed at %#llx\n", (long long)offset); + pr_err("error: read failed at %#llx\n", (long long)offset); if (err >= 0) err = -EIO; } @@ -201,11 +202,11 @@ static int verify_page(int log) unsigned i, errs = 0; if (log) - msg("verify_page\n"); + pr_info("verify_page\n"); for (i = 0; i < mtd->writesize; i++) { if (rbuffer[i] != hash(i+seed)) { - msg("Error: page offset %u, expected %02x, got %02x\n", + pr_err("Error: page offset %u, expected %02x, got %02x\n", i, hash(i+seed), rbuffer[i]); errs++; } @@ -230,13 +231,13 @@ static int insert_biterror(unsigned byte) for (bit = 7; bit >= 0; bit--) { if (CBIT(wbuffer[byte], bit)) { BCLR(wbuffer[byte], bit); - msg("Inserted biterror @ %u/%u\n", byte, bit); + pr_info("Inserted biterror @ %u/%u\n", byte, bit); return 0; } } byte++; } - msg("biterror: Failed to find a '1' bit\n"); + pr_err("biterror: Failed to find a '1' bit\n"); return -EIO; } @@ -248,7 +249,7 @@ static int incremental_errors_test(void) unsigned i; unsigned errs_per_subpage = 0; - msg("incremental biterrors test\n"); + pr_info("incremental biterrors test\n"); for (i = 0; i < mtd->writesize; i++) wbuffer[i] = hash(i+seed); @@ -265,9 +266,9 @@ static int incremental_errors_test(void) err = read_page(1); if (err > 0) - msg("Read reported %d corrected bit errors\n", err); + pr_info("Read reported %d corrected bit errors\n", err); if (err < 0) { - msg("After %d biterrors per subpage, read reported error %d\n", + pr_err("After %d biterrors per subpage, read reported error %d\n", errs_per_subpage, err); err = 0; goto exit; @@ -275,11 +276,11 @@ static int incremental_errors_test(void) err = verify_page(1); if (err) { - msg("ECC failure, read data is incorrect despite read success\n"); + pr_err("ECC failure, read data is incorrect despite read success\n"); goto exit; } - msg("Successfully corrected %d bit errors per subpage\n", + pr_info("Successfully corrected %d bit errors per subpage\n", errs_per_subpage); for (i = 0; i < subcount; i++) { @@ -311,7 +312,7 @@ static int overwrite_test(void) memset(bitstats, 0, sizeof(bitstats)); - msg("overwrite biterrors test\n"); + pr_info("overwrite biterrors test\n"); for (i = 0; i < mtd->writesize; i++) wbuffer[i] = hash(i+seed); @@ -329,18 +330,18 @@ static int overwrite_test(void) err = read_page(0); if (err >= 0) { if (err >= MAXBITS) { - msg("Implausible number of bit errors corrected\n"); + pr_info("Implausible number of bit errors corrected\n"); err = -EIO; break; } bitstats[err]++; if (err > max_corrected) { max_corrected = err; - msg("Read reported %d corrected bit errors\n", + pr_info("Read reported %d corrected bit errors\n", err); } } else { /* err < 0 */ - msg("Read reported error %d\n", err); + pr_info("Read reported error %d\n", err); err = 0; break; } @@ -348,7 +349,7 @@ static int overwrite_test(void) err = verify_page(0); if (err) { bitstats[max_corrected] = opno; - msg("ECC failure, read data is incorrect despite read success\n"); + pr_info("ECC failure, read data is incorrect despite read success\n"); break; } @@ -357,9 +358,9 @@ static int overwrite_test(void) /* At this point bitstats[0] contains the number of ops with no bit * errors, bitstats[1] the number of ops with 1 bit error, etc. */ - msg("Bit error histogram (%d operations total):\n", opno); + pr_info("Bit error histogram (%d operations total):\n", opno); for (i = 0; i < max_corrected; i++) - msg("Page reads with %3d corrected bit errors: %d\n", + pr_info("Page reads with %3d corrected bit errors: %d\n", i, bitstats[i]); exit: @@ -370,36 +371,36 @@ static int __init mtd_nandbiterrs_init(void) { int err = 0; - msg("\n"); - msg("==================================================\n"); - msg("MTD device: %d\n", dev); + printk("\n"); + printk(KERN_INFO "==================================================\n"); + pr_info("MTD device: %d\n", dev); mtd = get_mtd_device(NULL, dev); if (IS_ERR(mtd)) { err = PTR_ERR(mtd); - msg("error: cannot get MTD device\n"); + pr_err("error: cannot get MTD device\n"); goto exit_mtddev; } if (mtd->type != MTD_NANDFLASH) { - msg("this test requires NAND flash\n"); + pr_info("this test requires NAND flash\n"); err = -ENODEV; goto exit_nand; } - msg("MTD device size %llu, eraseblock=%u, page=%u, oob=%u\n", + pr_info("MTD device size %llu, eraseblock=%u, page=%u, oob=%u\n", (unsigned long long)mtd->size, mtd->erasesize, mtd->writesize, mtd->oobsize); subsize = mtd->writesize >> mtd->subpage_sft; subcount = mtd->writesize / subsize; - msg("Device uses %d subpages of %d bytes\n", subcount, subsize); + pr_info("Device uses %d subpages of %d bytes\n", subcount, subsize); offset = page_offset * mtd->writesize; eraseblock = mtd_div_by_eb(offset, mtd); - msg("Using page=%u, offset=%llu, eraseblock=%u\n", + pr_info("Using page=%u, offset=%llu, eraseblock=%u\n", page_offset, offset, eraseblock); wbuffer = kmalloc(mtd->writesize, GFP_KERNEL); @@ -432,8 +433,8 @@ static int __init mtd_nandbiterrs_init(void) goto exit_error; err = -EIO; - msg("finished successfully.\n"); - msg("==================================================\n"); + pr_info("finished successfully.\n"); + printk(KERN_INFO "==================================================\n"); exit_error: kfree(rbuffer); diff --git a/drivers/mtd/tests/mtd_nandecctest.c b/drivers/mtd/tests/mtd_nandecctest.c index b437fa425077..1eee264509a8 100644 --- a/drivers/mtd/tests/mtd_nandecctest.c +++ b/drivers/mtd/tests/mtd_nandecctest.c @@ -1,3 +1,5 @@ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/module.h> #include <linux/list.h> @@ -264,13 +266,13 @@ static int nand_ecc_test_run(const size_t size) correct_data, size); if (err) { - pr_err("mtd_nandecctest: not ok - %s-%zd\n", + pr_err("not ok - %s-%zd\n", nand_ecc_test[i].name, size); dump_data_ecc(error_data, error_ecc, correct_data, correct_ecc, size); break; } - pr_info("mtd_nandecctest: ok - %s-%zd\n", + pr_info("ok - %s-%zd\n", nand_ecc_test[i].name, size); } error: diff --git a/drivers/mtd/tests/mtd_oobtest.c b/drivers/mtd/tests/mtd_oobtest.c index ed9b62827f1b..e827fa8cd844 100644 --- a/drivers/mtd/tests/mtd_oobtest.c +++ b/drivers/mtd/tests/mtd_oobtest.c @@ -19,6 +19,8 @@ * Author: Adrian Hunter <ext-adrian.hunter@nokia.com> */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <asm/div64.h> #include <linux/init.h> #include <linux/module.h> @@ -28,8 +30,6 @@ #include <linux/slab.h> #include <linux/sched.h> -#define PRINT_PREF KERN_INFO "mtd_oobtest: " - static int dev = -EINVAL; module_param(dev, int, S_IRUGO); MODULE_PARM_DESC(dev, "MTD device number to use"); @@ -80,13 +80,12 @@ static int erase_eraseblock(int ebnum) err = mtd_erase(mtd, &ei); if (err) { - printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum); + pr_err("error %d while erasing EB %d\n", err, ebnum); return err; } if (ei.state == MTD_ERASE_FAILED) { - printk(PRINT_PREF "some erase error occurred at EB %d\n", - ebnum); + pr_err("some erase error occurred at EB %d\n", ebnum); return -EIO; } @@ -98,7 +97,7 @@ static int erase_whole_device(void) int err; unsigned int i; - printk(PRINT_PREF "erasing whole device\n"); + pr_info("erasing whole device\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -107,7 +106,7 @@ static int erase_whole_device(void) return err; cond_resched(); } - printk(PRINT_PREF "erased %u eraseblocks\n", i); + pr_info("erased %u eraseblocks\n", i); return 0; } @@ -141,9 +140,9 @@ static int write_eraseblock(int ebnum) ops.oobbuf = writebuf; err = mtd_write_oob(mtd, addr, &ops); if (err || ops.oobretlen != use_len) { - printk(PRINT_PREF "error: writeoob failed at %#llx\n", + pr_err("error: writeoob failed at %#llx\n", (long long)addr); - printk(PRINT_PREF "error: use_len %d, use_offset %d\n", + pr_err("error: use_len %d, use_offset %d\n", use_len, use_offset); errcnt += 1; return err ? err : -1; @@ -160,7 +159,7 @@ static int write_whole_device(void) int err; unsigned int i; - printk(PRINT_PREF "writing OOBs of whole device\n"); + pr_info("writing OOBs of whole device\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -168,10 +167,10 @@ static int write_whole_device(void) if (err) return err; if (i % 256 == 0) - printk(PRINT_PREF "written up to eraseblock %u\n", i); + pr_info("written up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "written %u eraseblocks\n", i); + pr_info("written %u eraseblocks\n", i); return 0; } @@ -194,17 +193,17 @@ static int verify_eraseblock(int ebnum) ops.oobbuf = readbuf; err = mtd_read_oob(mtd, addr, &ops); if (err || ops.oobretlen != use_len) { - printk(PRINT_PREF "error: readoob failed at %#llx\n", + pr_err("error: readoob failed at %#llx\n", (long long)addr); errcnt += 1; return err ? err : -1; } if (memcmp(readbuf, writebuf, use_len)) { - printk(PRINT_PREF "error: verify failed at %#llx\n", + pr_err("error: verify failed at %#llx\n", (long long)addr); errcnt += 1; if (errcnt > 1000) { - printk(PRINT_PREF "error: too many errors\n"); + pr_err("error: too many errors\n"); return -1; } } @@ -221,29 +220,28 @@ static int verify_eraseblock(int ebnum) ops.oobbuf = readbuf; err = mtd_read_oob(mtd, addr, &ops); if (err || ops.oobretlen != mtd->ecclayout->oobavail) { - printk(PRINT_PREF "error: readoob failed at " - "%#llx\n", (long long)addr); + pr_err("error: readoob failed at %#llx\n", + (long long)addr); errcnt += 1; return err ? err : -1; } if (memcmp(readbuf + use_offset, writebuf, use_len)) { - printk(PRINT_PREF "error: verify failed at " - "%#llx\n", (long long)addr); + pr_err("error: verify failed at %#llx\n", + (long long)addr); errcnt += 1; if (errcnt > 1000) { - printk(PRINT_PREF "error: too many " - "errors\n"); + pr_err("error: too many errors\n"); return -1; } } for (k = 0; k < use_offset; ++k) if (readbuf[k] != 0xff) { - printk(PRINT_PREF "error: verify 0xff " + pr_err("error: verify 0xff " "failed at %#llx\n", (long long)addr); errcnt += 1; if (errcnt > 1000) { - printk(PRINT_PREF "error: too " + pr_err("error: too " "many errors\n"); return -1; } @@ -251,12 +249,12 @@ static int verify_eraseblock(int ebnum) for (k = use_offset + use_len; k < mtd->ecclayout->oobavail; ++k) if (readbuf[k] != 0xff) { - printk(PRINT_PREF "error: verify 0xff " + pr_err("error: verify 0xff " "failed at %#llx\n", (long long)addr); errcnt += 1; if (errcnt > 1000) { - printk(PRINT_PREF "error: too " + pr_err("error: too " "many errors\n"); return -1; } @@ -286,17 +284,17 @@ static int verify_eraseblock_in_one_go(int ebnum) ops.oobbuf = readbuf; err = mtd_read_oob(mtd, addr, &ops); if (err || ops.oobretlen != len) { - printk(PRINT_PREF "error: readoob failed at %#llx\n", + pr_err("error: readoob failed at %#llx\n", (long long)addr); errcnt += 1; return err ? err : -1; } if (memcmp(readbuf, writebuf, len)) { - printk(PRINT_PREF "error: verify failed at %#llx\n", + pr_err("error: verify failed at %#llx\n", (long long)addr); errcnt += 1; if (errcnt > 1000) { - printk(PRINT_PREF "error: too many errors\n"); + pr_err("error: too many errors\n"); return -1; } } @@ -309,7 +307,7 @@ static int verify_all_eraseblocks(void) int err; unsigned int i; - printk(PRINT_PREF "verifying all eraseblocks\n"); + pr_info("verifying all eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -317,10 +315,10 @@ static int verify_all_eraseblocks(void) if (err) return err; if (i % 256 == 0) - printk(PRINT_PREF "verified up to eraseblock %u\n", i); + pr_info("verified up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "verified %u eraseblocks\n", i); + pr_info("verified %u eraseblocks\n", i); return 0; } @@ -331,7 +329,7 @@ static int is_block_bad(int ebnum) ret = mtd_block_isbad(mtd, addr); if (ret) - printk(PRINT_PREF "block %d is bad\n", ebnum); + pr_info("block %d is bad\n", ebnum); return ret; } @@ -341,18 +339,18 @@ static int scan_for_bad_eraseblocks(void) bbt = kmalloc(ebcnt, GFP_KERNEL); if (!bbt) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); return -ENOMEM; } - printk(PRINT_PREF "scanning for bad eraseblocks\n"); + pr_info("scanning for bad eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { bbt[i] = is_block_bad(i) ? 1 : 0; if (bbt[i]) bad += 1; cond_resched(); } - printk(PRINT_PREF "scanned %d eraseblocks, %d are bad\n", i, bad); + pr_info("scanned %d eraseblocks, %d are bad\n", i, bad); return 0; } @@ -368,22 +366,22 @@ static int __init mtd_oobtest_init(void) printk(KERN_INFO "=================================================\n"); if (dev < 0) { - printk(PRINT_PREF "Please specify a valid mtd-device via module paramter\n"); - printk(KERN_CRIT "CAREFUL: This test wipes all data on the specified MTD device!\n"); + pr_info("Please specify a valid mtd-device via module parameter\n"); + pr_crit("CAREFUL: This test wipes all data on the specified MTD device!\n"); return -EINVAL; } - printk(PRINT_PREF "MTD device: %d\n", dev); + pr_info("MTD device: %d\n", dev); mtd = get_mtd_device(NULL, dev); if (IS_ERR(mtd)) { err = PTR_ERR(mtd); - printk(PRINT_PREF "error: cannot get MTD device\n"); + pr_err("error: cannot get MTD device\n"); return err; } if (mtd->type != MTD_NANDFLASH) { - printk(PRINT_PREF "this test requires NAND flash\n"); + pr_info("this test requires NAND flash\n"); goto out; } @@ -392,7 +390,7 @@ static int __init mtd_oobtest_init(void) ebcnt = tmp; pgcnt = mtd->erasesize / mtd->writesize; - printk(PRINT_PREF "MTD device size %llu, eraseblock size %u, " + pr_info("MTD device size %llu, eraseblock size %u, " "page size %u, count of eraseblocks %u, pages per " "eraseblock %u, OOB size %u\n", (unsigned long long)mtd->size, mtd->erasesize, @@ -401,12 +399,12 @@ static int __init mtd_oobtest_init(void) err = -ENOMEM; readbuf = kmalloc(mtd->erasesize, GFP_KERNEL); if (!readbuf) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out; } writebuf = kmalloc(mtd->erasesize, GFP_KERNEL); if (!writebuf) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out; } @@ -420,7 +418,7 @@ static int __init mtd_oobtest_init(void) vary_offset = 0; /* First test: write all OOB, read it back and verify */ - printk(PRINT_PREF "test 1 of 5\n"); + pr_info("test 1 of 5\n"); err = erase_whole_device(); if (err) @@ -440,7 +438,7 @@ static int __init mtd_oobtest_init(void) * Second test: write all OOB, a block at a time, read it back and * verify. */ - printk(PRINT_PREF "test 2 of 5\n"); + pr_info("test 2 of 5\n"); err = erase_whole_device(); if (err) @@ -453,7 +451,7 @@ static int __init mtd_oobtest_init(void) /* Check all eraseblocks */ simple_srand(3); - printk(PRINT_PREF "verifying all eraseblocks\n"); + pr_info("verifying all eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -461,16 +459,16 @@ static int __init mtd_oobtest_init(void) if (err) goto out; if (i % 256 == 0) - printk(PRINT_PREF "verified up to eraseblock %u\n", i); + pr_info("verified up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "verified %u eraseblocks\n", i); + pr_info("verified %u eraseblocks\n", i); /* * Third test: write OOB at varying offsets and lengths, read it back * and verify. */ - printk(PRINT_PREF "test 3 of 5\n"); + pr_info("test 3 of 5\n"); err = erase_whole_device(); if (err) @@ -503,7 +501,7 @@ static int __init mtd_oobtest_init(void) vary_offset = 0; /* Fourth test: try to write off end of device */ - printk(PRINT_PREF "test 4 of 5\n"); + pr_info("test 4 of 5\n"); err = erase_whole_device(); if (err) @@ -522,14 +520,14 @@ static int __init mtd_oobtest_init(void) ops.ooboffs = mtd->ecclayout->oobavail; ops.datbuf = NULL; ops.oobbuf = writebuf; - printk(PRINT_PREF "attempting to start write past end of OOB\n"); - printk(PRINT_PREF "an error is expected...\n"); + pr_info("attempting to start write past end of OOB\n"); + pr_info("an error is expected...\n"); err = mtd_write_oob(mtd, addr0, &ops); if (err) { - printk(PRINT_PREF "error occurred as expected\n"); + pr_info("error occurred as expected\n"); err = 0; } else { - printk(PRINT_PREF "error: can write past end of OOB\n"); + pr_err("error: can write past end of OOB\n"); errcnt += 1; } @@ -542,19 +540,19 @@ static int __init mtd_oobtest_init(void) ops.ooboffs = mtd->ecclayout->oobavail; ops.datbuf = NULL; ops.oobbuf = readbuf; - printk(PRINT_PREF "attempting to start read past end of OOB\n"); - printk(PRINT_PREF "an error is expected...\n"); + pr_info("attempting to start read past end of OOB\n"); + pr_info("an error is expected...\n"); err = mtd_read_oob(mtd, addr0, &ops); if (err) { - printk(PRINT_PREF "error occurred as expected\n"); + pr_info("error occurred as expected\n"); err = 0; } else { - printk(PRINT_PREF "error: can read past end of OOB\n"); + pr_err("error: can read past end of OOB\n"); errcnt += 1; } if (bbt[ebcnt - 1]) - printk(PRINT_PREF "skipping end of device tests because last " + pr_info("skipping end of device tests because last " "block is bad\n"); else { /* Attempt to write off end of device */ @@ -566,14 +564,14 @@ static int __init mtd_oobtest_init(void) ops.ooboffs = 0; ops.datbuf = NULL; ops.oobbuf = writebuf; - printk(PRINT_PREF "attempting to write past end of device\n"); - printk(PRINT_PREF "an error is expected...\n"); + pr_info("attempting to write past end of device\n"); + pr_info("an error is expected...\n"); err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops); if (err) { - printk(PRINT_PREF "error occurred as expected\n"); + pr_info("error occurred as expected\n"); err = 0; } else { - printk(PRINT_PREF "error: wrote past end of device\n"); + pr_err("error: wrote past end of device\n"); errcnt += 1; } @@ -586,14 +584,14 @@ static int __init mtd_oobtest_init(void) ops.ooboffs = 0; ops.datbuf = NULL; ops.oobbuf = readbuf; - printk(PRINT_PREF "attempting to read past end of device\n"); - printk(PRINT_PREF "an error is expected...\n"); + pr_info("attempting to read past end of device\n"); + pr_info("an error is expected...\n"); err = mtd_read_oob(mtd, mtd->size - mtd->writesize, &ops); if (err) { - printk(PRINT_PREF "error occurred as expected\n"); + pr_info("error occurred as expected\n"); err = 0; } else { - printk(PRINT_PREF "error: read past end of device\n"); + pr_err("error: read past end of device\n"); errcnt += 1; } @@ -610,14 +608,14 @@ static int __init mtd_oobtest_init(void) ops.ooboffs = 1; ops.datbuf = NULL; ops.oobbuf = writebuf; - printk(PRINT_PREF "attempting to write past end of device\n"); - printk(PRINT_PREF "an error is expected...\n"); + pr_info("attempting to write past end of device\n"); + pr_info("an error is expected...\n"); err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops); if (err) { - printk(PRINT_PREF "error occurred as expected\n"); + pr_info("error occurred as expected\n"); err = 0; } else { - printk(PRINT_PREF "error: wrote past end of device\n"); + pr_err("error: wrote past end of device\n"); errcnt += 1; } @@ -630,20 +628,20 @@ static int __init mtd_oobtest_init(void) ops.ooboffs = 1; ops.datbuf = NULL; ops.oobbuf = readbuf; - printk(PRINT_PREF "attempting to read past end of device\n"); - printk(PRINT_PREF "an error is expected...\n"); + pr_info("attempting to read past end of device\n"); + pr_info("an error is expected...\n"); err = mtd_read_oob(mtd, mtd->size - mtd->writesize, &ops); if (err) { - printk(PRINT_PREF "error occurred as expected\n"); + pr_info("error occurred as expected\n"); err = 0; } else { - printk(PRINT_PREF "error: read past end of device\n"); + pr_err("error: read past end of device\n"); errcnt += 1; } } /* Fifth test: write / read across block boundaries */ - printk(PRINT_PREF "test 5 of 5\n"); + pr_info("test 5 of 5\n"); /* Erase all eraseblocks */ err = erase_whole_device(); @@ -652,7 +650,7 @@ static int __init mtd_oobtest_init(void) /* Write all eraseblocks */ simple_srand(11); - printk(PRINT_PREF "writing OOBs of whole device\n"); + pr_info("writing OOBs of whole device\n"); for (i = 0; i < ebcnt - 1; ++i) { int cnt = 2; int pg; @@ -674,17 +672,16 @@ static int __init mtd_oobtest_init(void) if (err) goto out; if (i % 256 == 0) - printk(PRINT_PREF "written up to eraseblock " - "%u\n", i); + pr_info("written up to eraseblock %u\n", i); cond_resched(); addr += mtd->writesize; } } - printk(PRINT_PREF "written %u eraseblocks\n", i); + pr_info("written %u eraseblocks\n", i); /* Check all eraseblocks */ simple_srand(11); - printk(PRINT_PREF "verifying all eraseblocks\n"); + pr_info("verifying all eraseblocks\n"); for (i = 0; i < ebcnt - 1; ++i) { if (bbt[i] || bbt[i + 1]) continue; @@ -702,28 +699,28 @@ static int __init mtd_oobtest_init(void) if (err) goto out; if (memcmp(readbuf, writebuf, mtd->ecclayout->oobavail * 2)) { - printk(PRINT_PREF "error: verify failed at %#llx\n", + pr_err("error: verify failed at %#llx\n", (long long)addr); errcnt += 1; if (errcnt > 1000) { - printk(PRINT_PREF "error: too many errors\n"); + pr_err("error: too many errors\n"); goto out; } } if (i % 256 == 0) - printk(PRINT_PREF "verified up to eraseblock %u\n", i); + pr_info("verified up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "verified %u eraseblocks\n", i); + pr_info("verified %u eraseblocks\n", i); - printk(PRINT_PREF "finished with %d errors\n", errcnt); + pr_info("finished with %d errors\n", errcnt); out: kfree(bbt); kfree(writebuf); kfree(readbuf); put_mtd_device(mtd); if (err) - printk(PRINT_PREF "error %d occurred\n", err); + pr_info("error %d occurred\n", err); printk(KERN_INFO "=================================================\n"); return err; } diff --git a/drivers/mtd/tests/mtd_pagetest.c b/drivers/mtd/tests/mtd_pagetest.c index 252ddb092fb2..f93a76f88113 100644 --- a/drivers/mtd/tests/mtd_pagetest.c +++ b/drivers/mtd/tests/mtd_pagetest.c @@ -19,6 +19,8 @@ * Author: Adrian Hunter <ext-adrian.hunter@nokia.com> */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <asm/div64.h> #include <linux/init.h> #include <linux/module.h> @@ -28,8 +30,6 @@ #include <linux/slab.h> #include <linux/sched.h> -#define PRINT_PREF KERN_INFO "mtd_pagetest: " - static int dev = -EINVAL; module_param(dev, int, S_IRUGO); MODULE_PARM_DESC(dev, "MTD device number to use"); @@ -79,12 +79,12 @@ static int erase_eraseblock(int ebnum) err = mtd_erase(mtd, &ei); if (err) { - printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum); + pr_err("error %d while erasing EB %d\n", err, ebnum); return err; } if (ei.state == MTD_ERASE_FAILED) { - printk(PRINT_PREF "some erase error occurred at EB %d\n", + pr_err("some erase error occurred at EB %d\n", ebnum); return -EIO; } @@ -102,7 +102,7 @@ static int write_eraseblock(int ebnum) cond_resched(); err = mtd_write(mtd, addr, mtd->erasesize, &written, writebuf); if (err || written != mtd->erasesize) - printk(PRINT_PREF "error: write failed at %#llx\n", + pr_err("error: write failed at %#llx\n", (long long)addr); return err; @@ -131,7 +131,7 @@ static int verify_eraseblock(int ebnum) if (mtd_is_bitflip(err)) err = 0; if (err || read != bufsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr0); return err; } @@ -139,7 +139,7 @@ static int verify_eraseblock(int ebnum) if (mtd_is_bitflip(err)) err = 0; if (err || read != bufsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)(addrn - bufsize)); return err; } @@ -148,12 +148,12 @@ static int verify_eraseblock(int ebnum) if (mtd_is_bitflip(err)) err = 0; if (err || read != bufsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr); break; } if (memcmp(twopages, writebuf + (j * pgsize), bufsize)) { - printk(PRINT_PREF "error: verify failed at %#llx\n", + pr_err("error: verify failed at %#llx\n", (long long)addr); errcnt += 1; } @@ -166,7 +166,7 @@ static int verify_eraseblock(int ebnum) if (mtd_is_bitflip(err)) err = 0; if (err || read != bufsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr0); return err; } @@ -174,7 +174,7 @@ static int verify_eraseblock(int ebnum) if (mtd_is_bitflip(err)) err = 0; if (err || read != bufsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)(addrn - bufsize)); return err; } @@ -183,14 +183,14 @@ static int verify_eraseblock(int ebnum) if (mtd_is_bitflip(err)) err = 0; if (err || read != bufsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr); return err; } memcpy(boundary, writebuf + mtd->erasesize - pgsize, pgsize); set_random_data(boundary + pgsize, pgsize); if (memcmp(twopages, boundary, bufsize)) { - printk(PRINT_PREF "error: verify failed at %#llx\n", + pr_err("error: verify failed at %#llx\n", (long long)addr); errcnt += 1; } @@ -206,10 +206,10 @@ static int crosstest(void) loff_t addr, addr0, addrn; unsigned char *pp1, *pp2, *pp3, *pp4; - printk(PRINT_PREF "crosstest\n"); + pr_info("crosstest\n"); pp1 = kmalloc(pgsize * 4, GFP_KERNEL); if (!pp1) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); return -ENOMEM; } pp2 = pp1 + pgsize; @@ -231,7 +231,7 @@ static int crosstest(void) if (mtd_is_bitflip(err)) err = 0; if (err || read != pgsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr); kfree(pp1); return err; @@ -243,7 +243,7 @@ static int crosstest(void) if (mtd_is_bitflip(err)) err = 0; if (err || read != pgsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr); kfree(pp1); return err; @@ -251,12 +251,12 @@ static int crosstest(void) /* Read first page to pp2 */ addr = addr0; - printk(PRINT_PREF "reading page at %#llx\n", (long long)addr); + pr_info("reading page at %#llx\n", (long long)addr); err = mtd_read(mtd, addr, pgsize, &read, pp2); if (mtd_is_bitflip(err)) err = 0; if (err || read != pgsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr); kfree(pp1); return err; @@ -264,12 +264,12 @@ static int crosstest(void) /* Read last page to pp3 */ addr = addrn - pgsize; - printk(PRINT_PREF "reading page at %#llx\n", (long long)addr); + pr_info("reading page at %#llx\n", (long long)addr); err = mtd_read(mtd, addr, pgsize, &read, pp3); if (mtd_is_bitflip(err)) err = 0; if (err || read != pgsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr); kfree(pp1); return err; @@ -277,25 +277,25 @@ static int crosstest(void) /* Read first page again to pp4 */ addr = addr0; - printk(PRINT_PREF "reading page at %#llx\n", (long long)addr); + pr_info("reading page at %#llx\n", (long long)addr); err = mtd_read(mtd, addr, pgsize, &read, pp4); if (mtd_is_bitflip(err)) err = 0; if (err || read != pgsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr); kfree(pp1); return err; } /* pp2 and pp4 should be the same */ - printk(PRINT_PREF "verifying pages read at %#llx match\n", + pr_info("verifying pages read at %#llx match\n", (long long)addr0); if (memcmp(pp2, pp4, pgsize)) { - printk(PRINT_PREF "verify failed!\n"); + pr_err("verify failed!\n"); errcnt += 1; } else if (!err) - printk(PRINT_PREF "crosstest ok\n"); + pr_info("crosstest ok\n"); kfree(pp1); return err; } @@ -307,7 +307,7 @@ static int erasecrosstest(void) loff_t addr0; char *readbuf = twopages; - printk(PRINT_PREF "erasecrosstest\n"); + pr_info("erasecrosstest\n"); ebnum = 0; addr0 = 0; @@ -320,79 +320,79 @@ static int erasecrosstest(void) while (ebnum2 && bbt[ebnum2]) ebnum2 -= 1; - printk(PRINT_PREF "erasing block %d\n", ebnum); + pr_info("erasing block %d\n", ebnum); err = erase_eraseblock(ebnum); if (err) return err; - printk(PRINT_PREF "writing 1st page of block %d\n", ebnum); + pr_info("writing 1st page of block %d\n", ebnum); set_random_data(writebuf, pgsize); strcpy(writebuf, "There is no data like this!"); err = mtd_write(mtd, addr0, pgsize, &written, writebuf); if (err || written != pgsize) { - printk(PRINT_PREF "error: write failed at %#llx\n", + pr_info("error: write failed at %#llx\n", (long long)addr0); return err ? err : -1; } - printk(PRINT_PREF "reading 1st page of block %d\n", ebnum); + pr_info("reading 1st page of block %d\n", ebnum); memset(readbuf, 0, pgsize); err = mtd_read(mtd, addr0, pgsize, &read, readbuf); if (mtd_is_bitflip(err)) err = 0; if (err || read != pgsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr0); return err ? err : -1; } - printk(PRINT_PREF "verifying 1st page of block %d\n", ebnum); + pr_info("verifying 1st page of block %d\n", ebnum); if (memcmp(writebuf, readbuf, pgsize)) { - printk(PRINT_PREF "verify failed!\n"); + pr_err("verify failed!\n"); errcnt += 1; return -1; } - printk(PRINT_PREF "erasing block %d\n", ebnum); + pr_info("erasing block %d\n", ebnum); err = erase_eraseblock(ebnum); if (err) return err; - printk(PRINT_PREF "writing 1st page of block %d\n", ebnum); + pr_info("writing 1st page of block %d\n", ebnum); set_random_data(writebuf, pgsize); strcpy(writebuf, "There is no data like this!"); err = mtd_write(mtd, addr0, pgsize, &written, writebuf); if (err || written != pgsize) { - printk(PRINT_PREF "error: write failed at %#llx\n", + pr_err("error: write failed at %#llx\n", (long long)addr0); return err ? err : -1; } - printk(PRINT_PREF "erasing block %d\n", ebnum2); + pr_info("erasing block %d\n", ebnum2); err = erase_eraseblock(ebnum2); if (err) return err; - printk(PRINT_PREF "reading 1st page of block %d\n", ebnum); + pr_info("reading 1st page of block %d\n", ebnum); memset(readbuf, 0, pgsize); err = mtd_read(mtd, addr0, pgsize, &read, readbuf); if (mtd_is_bitflip(err)) err = 0; if (err || read != pgsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr0); return err ? err : -1; } - printk(PRINT_PREF "verifying 1st page of block %d\n", ebnum); + pr_info("verifying 1st page of block %d\n", ebnum); if (memcmp(writebuf, readbuf, pgsize)) { - printk(PRINT_PREF "verify failed!\n"); + pr_err("verify failed!\n"); errcnt += 1; return -1; } if (!err) - printk(PRINT_PREF "erasecrosstest ok\n"); + pr_info("erasecrosstest ok\n"); return err; } @@ -402,7 +402,7 @@ static int erasetest(void) int err = 0, i, ebnum, ok = 1; loff_t addr0; - printk(PRINT_PREF "erasetest\n"); + pr_info("erasetest\n"); ebnum = 0; addr0 = 0; @@ -411,40 +411,40 @@ static int erasetest(void) ebnum += 1; } - printk(PRINT_PREF "erasing block %d\n", ebnum); + pr_info("erasing block %d\n", ebnum); err = erase_eraseblock(ebnum); if (err) return err; - printk(PRINT_PREF "writing 1st page of block %d\n", ebnum); + pr_info("writing 1st page of block %d\n", ebnum); set_random_data(writebuf, pgsize); err = mtd_write(mtd, addr0, pgsize, &written, writebuf); if (err || written != pgsize) { - printk(PRINT_PREF "error: write failed at %#llx\n", + pr_err("error: write failed at %#llx\n", (long long)addr0); return err ? err : -1; } - printk(PRINT_PREF "erasing block %d\n", ebnum); + pr_info("erasing block %d\n", ebnum); err = erase_eraseblock(ebnum); if (err) return err; - printk(PRINT_PREF "reading 1st page of block %d\n", ebnum); + pr_info("reading 1st page of block %d\n", ebnum); err = mtd_read(mtd, addr0, pgsize, &read, twopages); if (mtd_is_bitflip(err)) err = 0; if (err || read != pgsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr0); return err ? err : -1; } - printk(PRINT_PREF "verifying 1st page of block %d is all 0xff\n", + pr_info("verifying 1st page of block %d is all 0xff\n", ebnum); for (i = 0; i < pgsize; ++i) if (twopages[i] != 0xff) { - printk(PRINT_PREF "verifying all 0xff failed at %d\n", + pr_err("verifying all 0xff failed at %d\n", i); errcnt += 1; ok = 0; @@ -452,7 +452,7 @@ static int erasetest(void) } if (ok && !err) - printk(PRINT_PREF "erasetest ok\n"); + pr_info("erasetest ok\n"); return err; } @@ -464,7 +464,7 @@ static int is_block_bad(int ebnum) ret = mtd_block_isbad(mtd, addr); if (ret) - printk(PRINT_PREF "block %d is bad\n", ebnum); + pr_info("block %d is bad\n", ebnum); return ret; } @@ -474,18 +474,18 @@ static int scan_for_bad_eraseblocks(void) bbt = kzalloc(ebcnt, GFP_KERNEL); if (!bbt) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); return -ENOMEM; } - printk(PRINT_PREF "scanning for bad eraseblocks\n"); + pr_info("scanning for bad eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { bbt[i] = is_block_bad(i) ? 1 : 0; if (bbt[i]) bad += 1; cond_resched(); } - printk(PRINT_PREF "scanned %d eraseblocks, %d are bad\n", i, bad); + pr_info("scanned %d eraseblocks, %d are bad\n", i, bad); return 0; } @@ -499,22 +499,22 @@ static int __init mtd_pagetest_init(void) printk(KERN_INFO "=================================================\n"); if (dev < 0) { - printk(PRINT_PREF "Please specify a valid mtd-device via module paramter\n"); - printk(KERN_CRIT "CAREFUL: This test wipes all data on the specified MTD device!\n"); + pr_info("Please specify a valid mtd-device via module parameter\n"); + pr_crit("CAREFUL: This test wipes all data on the specified MTD device!\n"); return -EINVAL; } - printk(PRINT_PREF "MTD device: %d\n", dev); + pr_info("MTD device: %d\n", dev); mtd = get_mtd_device(NULL, dev); if (IS_ERR(mtd)) { err = PTR_ERR(mtd); - printk(PRINT_PREF "error: cannot get MTD device\n"); + pr_err("error: cannot get MTD device\n"); return err; } if (mtd->type != MTD_NANDFLASH) { - printk(PRINT_PREF "this test requires NAND flash\n"); + pr_info("this test requires NAND flash\n"); goto out; } @@ -524,7 +524,7 @@ static int __init mtd_pagetest_init(void) pgcnt = mtd->erasesize / mtd->writesize; pgsize = mtd->writesize; - printk(PRINT_PREF "MTD device size %llu, eraseblock size %u, " + pr_info("MTD device size %llu, eraseblock size %u, " "page size %u, count of eraseblocks %u, pages per " "eraseblock %u, OOB size %u\n", (unsigned long long)mtd->size, mtd->erasesize, @@ -534,17 +534,17 @@ static int __init mtd_pagetest_init(void) bufsize = pgsize * 2; writebuf = kmalloc(mtd->erasesize, GFP_KERNEL); if (!writebuf) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out; } twopages = kmalloc(bufsize, GFP_KERNEL); if (!twopages) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out; } boundary = kmalloc(bufsize, GFP_KERNEL); if (!boundary) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out; } @@ -553,7 +553,7 @@ static int __init mtd_pagetest_init(void) goto out; /* Erase all eraseblocks */ - printk(PRINT_PREF "erasing whole device\n"); + pr_info("erasing whole device\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -562,11 +562,11 @@ static int __init mtd_pagetest_init(void) goto out; cond_resched(); } - printk(PRINT_PREF "erased %u eraseblocks\n", i); + pr_info("erased %u eraseblocks\n", i); /* Write all eraseblocks */ simple_srand(1); - printk(PRINT_PREF "writing whole device\n"); + pr_info("writing whole device\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -574,14 +574,14 @@ static int __init mtd_pagetest_init(void) if (err) goto out; if (i % 256 == 0) - printk(PRINT_PREF "written up to eraseblock %u\n", i); + pr_info("written up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "written %u eraseblocks\n", i); + pr_info("written %u eraseblocks\n", i); /* Check all eraseblocks */ simple_srand(1); - printk(PRINT_PREF "verifying all eraseblocks\n"); + pr_info("verifying all eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -589,10 +589,10 @@ static int __init mtd_pagetest_init(void) if (err) goto out; if (i % 256 == 0) - printk(PRINT_PREF "verified up to eraseblock %u\n", i); + pr_info("verified up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "verified %u eraseblocks\n", i); + pr_info("verified %u eraseblocks\n", i); err = crosstest(); if (err) @@ -606,7 +606,7 @@ static int __init mtd_pagetest_init(void) if (err) goto out; - printk(PRINT_PREF "finished with %d errors\n", errcnt); + pr_info("finished with %d errors\n", errcnt); out: kfree(bbt); @@ -615,7 +615,7 @@ out: kfree(writebuf); put_mtd_device(mtd); if (err) - printk(PRINT_PREF "error %d occurred\n", err); + pr_info("error %d occurred\n", err); printk(KERN_INFO "=================================================\n"); return err; } diff --git a/drivers/mtd/tests/mtd_readtest.c b/drivers/mtd/tests/mtd_readtest.c index 121aba189cec..266de04b6d29 100644 --- a/drivers/mtd/tests/mtd_readtest.c +++ b/drivers/mtd/tests/mtd_readtest.c @@ -19,6 +19,8 @@ * Author: Adrian Hunter <ext-adrian.hunter@nokia.com> */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/init.h> #include <linux/module.h> #include <linux/moduleparam.h> @@ -27,8 +29,6 @@ #include <linux/slab.h> #include <linux/sched.h> -#define PRINT_PREF KERN_INFO "mtd_readtest: " - static int dev = -EINVAL; module_param(dev, int, S_IRUGO); MODULE_PARM_DESC(dev, "MTD device number to use"); @@ -51,12 +51,12 @@ static int read_eraseblock_by_page(int ebnum) void *oobbuf = iobuf1; for (i = 0; i < pgcnt; i++) { - memset(buf, 0 , pgcnt); + memset(buf, 0 , pgsize); ret = mtd_read(mtd, addr, pgsize, &read, buf); if (ret == -EUCLEAN) ret = 0; if (ret || read != pgsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr); if (!err) err = ret; @@ -77,7 +77,7 @@ static int read_eraseblock_by_page(int ebnum) ret = mtd_read_oob(mtd, addr, &ops); if ((ret && !mtd_is_bitflip(ret)) || ops.oobretlen != mtd->oobsize) { - printk(PRINT_PREF "error: read oob failed at " + pr_err("error: read oob failed at " "%#llx\n", (long long)addr); if (!err) err = ret; @@ -99,7 +99,7 @@ static void dump_eraseblock(int ebnum) char line[128]; int pg, oob; - printk(PRINT_PREF "dumping eraseblock %d\n", ebnum); + pr_info("dumping eraseblock %d\n", ebnum); n = mtd->erasesize; for (i = 0; i < n;) { char *p = line; @@ -112,7 +112,7 @@ static void dump_eraseblock(int ebnum) } if (!mtd->oobsize) return; - printk(PRINT_PREF "dumping oob from eraseblock %d\n", ebnum); + pr_info("dumping oob from eraseblock %d\n", ebnum); n = mtd->oobsize; for (pg = 0, i = 0; pg < pgcnt; pg++) for (oob = 0; oob < n;) { @@ -134,7 +134,7 @@ static int is_block_bad(int ebnum) ret = mtd_block_isbad(mtd, addr); if (ret) - printk(PRINT_PREF "block %d is bad\n", ebnum); + pr_info("block %d is bad\n", ebnum); return ret; } @@ -144,21 +144,21 @@ static int scan_for_bad_eraseblocks(void) bbt = kzalloc(ebcnt, GFP_KERNEL); if (!bbt) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); return -ENOMEM; } if (!mtd_can_have_bb(mtd)) return 0; - printk(PRINT_PREF "scanning for bad eraseblocks\n"); + pr_info("scanning for bad eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { bbt[i] = is_block_bad(i) ? 1 : 0; if (bbt[i]) bad += 1; cond_resched(); } - printk(PRINT_PREF "scanned %d eraseblocks, %d are bad\n", i, bad); + pr_info("scanned %d eraseblocks, %d are bad\n", i, bad); return 0; } @@ -171,21 +171,21 @@ static int __init mtd_readtest_init(void) printk(KERN_INFO "=================================================\n"); if (dev < 0) { - printk(PRINT_PREF "Please specify a valid mtd-device via module paramter\n"); + pr_info("Please specify a valid mtd-device via module parameter\n"); return -EINVAL; } - printk(PRINT_PREF "MTD device: %d\n", dev); + pr_info("MTD device: %d\n", dev); mtd = get_mtd_device(NULL, dev); if (IS_ERR(mtd)) { err = PTR_ERR(mtd); - printk(PRINT_PREF "error: Cannot get MTD device\n"); + pr_err("error: Cannot get MTD device\n"); return err; } if (mtd->writesize == 1) { - printk(PRINT_PREF "not NAND flash, assume page size is 512 " + pr_info("not NAND flash, assume page size is 512 " "bytes.\n"); pgsize = 512; } else @@ -196,7 +196,7 @@ static int __init mtd_readtest_init(void) ebcnt = tmp; pgcnt = mtd->erasesize / pgsize; - printk(PRINT_PREF "MTD device size %llu, eraseblock size %u, " + pr_info("MTD device size %llu, eraseblock size %u, " "page size %u, count of eraseblocks %u, pages per " "eraseblock %u, OOB size %u\n", (unsigned long long)mtd->size, mtd->erasesize, @@ -205,12 +205,12 @@ static int __init mtd_readtest_init(void) err = -ENOMEM; iobuf = kmalloc(mtd->erasesize, GFP_KERNEL); if (!iobuf) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out; } iobuf1 = kmalloc(mtd->erasesize, GFP_KERNEL); if (!iobuf1) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out; } @@ -219,7 +219,7 @@ static int __init mtd_readtest_init(void) goto out; /* Read all eraseblocks 1 page at a time */ - printk(PRINT_PREF "testing page read\n"); + pr_info("testing page read\n"); for (i = 0; i < ebcnt; ++i) { int ret; @@ -235,9 +235,9 @@ static int __init mtd_readtest_init(void) } if (err) - printk(PRINT_PREF "finished with errors\n"); + pr_info("finished with errors\n"); else - printk(PRINT_PREF "finished\n"); + pr_info("finished\n"); out: @@ -246,7 +246,7 @@ out: kfree(bbt); put_mtd_device(mtd); if (err) - printk(PRINT_PREF "error %d occurred\n", err); + pr_info("error %d occurred\n", err); printk(KERN_INFO "=================================================\n"); return err; } diff --git a/drivers/mtd/tests/mtd_speedtest.c b/drivers/mtd/tests/mtd_speedtest.c index 42b0f7456fc4..596cbea8df4c 100644 --- a/drivers/mtd/tests/mtd_speedtest.c +++ b/drivers/mtd/tests/mtd_speedtest.c @@ -19,6 +19,8 @@ * Author: Adrian Hunter <adrian.hunter@nokia.com> */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/init.h> #include <linux/module.h> #include <linux/moduleparam.h> @@ -28,8 +30,6 @@ #include <linux/sched.h> #include <linux/random.h> -#define PRINT_PREF KERN_INFO "mtd_speedtest: " - static int dev = -EINVAL; module_param(dev, int, S_IRUGO); MODULE_PARM_DESC(dev, "MTD device number to use"); @@ -70,12 +70,12 @@ static int erase_eraseblock(int ebnum) err = mtd_erase(mtd, &ei); if (err) { - printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum); + pr_err("error %d while erasing EB %d\n", err, ebnum); return err; } if (ei.state == MTD_ERASE_FAILED) { - printk(PRINT_PREF "some erase error occurred at EB %d\n", + pr_err("some erase error occurred at EB %d\n", ebnum); return -EIO; } @@ -96,13 +96,13 @@ static int multiblock_erase(int ebnum, int blocks) err = mtd_erase(mtd, &ei); if (err) { - printk(PRINT_PREF "error %d while erasing EB %d, blocks %d\n", + pr_err("error %d while erasing EB %d, blocks %d\n", err, ebnum, blocks); return err; } if (ei.state == MTD_ERASE_FAILED) { - printk(PRINT_PREF "some erase error occurred at EB %d," + pr_err("some erase error occurred at EB %d," "blocks %d\n", ebnum, blocks); return -EIO; } @@ -134,7 +134,7 @@ static int write_eraseblock(int ebnum) err = mtd_write(mtd, addr, mtd->erasesize, &written, iobuf); if (err || written != mtd->erasesize) { - printk(PRINT_PREF "error: write failed at %#llx\n", addr); + pr_err("error: write failed at %#llx\n", addr); if (!err) err = -EINVAL; } @@ -152,7 +152,7 @@ static int write_eraseblock_by_page(int ebnum) for (i = 0; i < pgcnt; i++) { err = mtd_write(mtd, addr, pgsize, &written, buf); if (err || written != pgsize) { - printk(PRINT_PREF "error: write failed at %#llx\n", + pr_err("error: write failed at %#llx\n", addr); if (!err) err = -EINVAL; @@ -175,7 +175,7 @@ static int write_eraseblock_by_2pages(int ebnum) for (i = 0; i < n; i++) { err = mtd_write(mtd, addr, sz, &written, buf); if (err || written != sz) { - printk(PRINT_PREF "error: write failed at %#llx\n", + pr_err("error: write failed at %#llx\n", addr); if (!err) err = -EINVAL; @@ -187,7 +187,7 @@ static int write_eraseblock_by_2pages(int ebnum) if (pgcnt % 2) { err = mtd_write(mtd, addr, pgsize, &written, buf); if (err || written != pgsize) { - printk(PRINT_PREF "error: write failed at %#llx\n", + pr_err("error: write failed at %#llx\n", addr); if (!err) err = -EINVAL; @@ -208,7 +208,7 @@ static int read_eraseblock(int ebnum) if (mtd_is_bitflip(err)) err = 0; if (err || read != mtd->erasesize) { - printk(PRINT_PREF "error: read failed at %#llx\n", addr); + pr_err("error: read failed at %#llx\n", addr); if (!err) err = -EINVAL; } @@ -229,7 +229,7 @@ static int read_eraseblock_by_page(int ebnum) if (mtd_is_bitflip(err)) err = 0; if (err || read != pgsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", addr); if (!err) err = -EINVAL; @@ -255,7 +255,7 @@ static int read_eraseblock_by_2pages(int ebnum) if (mtd_is_bitflip(err)) err = 0; if (err || read != sz) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", addr); if (!err) err = -EINVAL; @@ -270,7 +270,7 @@ static int read_eraseblock_by_2pages(int ebnum) if (mtd_is_bitflip(err)) err = 0; if (err || read != pgsize) { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", addr); if (!err) err = -EINVAL; @@ -287,7 +287,7 @@ static int is_block_bad(int ebnum) ret = mtd_block_isbad(mtd, addr); if (ret) - printk(PRINT_PREF "block %d is bad\n", ebnum); + pr_info("block %d is bad\n", ebnum); return ret; } @@ -321,21 +321,21 @@ static int scan_for_bad_eraseblocks(void) bbt = kzalloc(ebcnt, GFP_KERNEL); if (!bbt) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); return -ENOMEM; } if (!mtd_can_have_bb(mtd)) goto out; - printk(PRINT_PREF "scanning for bad eraseblocks\n"); + pr_info("scanning for bad eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { bbt[i] = is_block_bad(i) ? 1 : 0; if (bbt[i]) bad += 1; cond_resched(); } - printk(PRINT_PREF "scanned %d eraseblocks, %d are bad\n", i, bad); + pr_info("scanned %d eraseblocks, %d are bad\n", i, bad); out: goodebcnt = ebcnt - bad; return 0; @@ -351,25 +351,25 @@ static int __init mtd_speedtest_init(void) printk(KERN_INFO "=================================================\n"); if (dev < 0) { - printk(PRINT_PREF "Please specify a valid mtd-device via module paramter\n"); - printk(KERN_CRIT "CAREFUL: This test wipes all data on the specified MTD device!\n"); + pr_info("Please specify a valid mtd-device via module parameter\n"); + pr_crit("CAREFUL: This test wipes all data on the specified MTD device!\n"); return -EINVAL; } if (count) - printk(PRINT_PREF "MTD device: %d count: %d\n", dev, count); + pr_info("MTD device: %d count: %d\n", dev, count); else - printk(PRINT_PREF "MTD device: %d\n", dev); + pr_info("MTD device: %d\n", dev); mtd = get_mtd_device(NULL, dev); if (IS_ERR(mtd)) { err = PTR_ERR(mtd); - printk(PRINT_PREF "error: cannot get MTD device\n"); + pr_err("error: cannot get MTD device\n"); return err; } if (mtd->writesize == 1) { - printk(PRINT_PREF "not NAND flash, assume page size is 512 " + pr_info("not NAND flash, assume page size is 512 " "bytes.\n"); pgsize = 512; } else @@ -380,7 +380,7 @@ static int __init mtd_speedtest_init(void) ebcnt = tmp; pgcnt = mtd->erasesize / pgsize; - printk(PRINT_PREF "MTD device size %llu, eraseblock size %u, " + pr_info("MTD device size %llu, eraseblock size %u, " "page size %u, count of eraseblocks %u, pages per " "eraseblock %u, OOB size %u\n", (unsigned long long)mtd->size, mtd->erasesize, @@ -392,7 +392,7 @@ static int __init mtd_speedtest_init(void) err = -ENOMEM; iobuf = kmalloc(mtd->erasesize, GFP_KERNEL); if (!iobuf) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out; } @@ -407,7 +407,7 @@ static int __init mtd_speedtest_init(void) goto out; /* Write all eraseblocks, 1 eraseblock at a time */ - printk(PRINT_PREF "testing eraseblock write speed\n"); + pr_info("testing eraseblock write speed\n"); start_timing(); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) @@ -419,10 +419,10 @@ static int __init mtd_speedtest_init(void) } stop_timing(); speed = calc_speed(); - printk(PRINT_PREF "eraseblock write speed is %ld KiB/s\n", speed); + pr_info("eraseblock write speed is %ld KiB/s\n", speed); /* Read all eraseblocks, 1 eraseblock at a time */ - printk(PRINT_PREF "testing eraseblock read speed\n"); + pr_info("testing eraseblock read speed\n"); start_timing(); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) @@ -434,14 +434,14 @@ static int __init mtd_speedtest_init(void) } stop_timing(); speed = calc_speed(); - printk(PRINT_PREF "eraseblock read speed is %ld KiB/s\n", speed); + pr_info("eraseblock read speed is %ld KiB/s\n", speed); err = erase_whole_device(); if (err) goto out; /* Write all eraseblocks, 1 page at a time */ - printk(PRINT_PREF "testing page write speed\n"); + pr_info("testing page write speed\n"); start_timing(); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) @@ -453,10 +453,10 @@ static int __init mtd_speedtest_init(void) } stop_timing(); speed = calc_speed(); - printk(PRINT_PREF "page write speed is %ld KiB/s\n", speed); + pr_info("page write speed is %ld KiB/s\n", speed); /* Read all eraseblocks, 1 page at a time */ - printk(PRINT_PREF "testing page read speed\n"); + pr_info("testing page read speed\n"); start_timing(); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) @@ -468,14 +468,14 @@ static int __init mtd_speedtest_init(void) } stop_timing(); speed = calc_speed(); - printk(PRINT_PREF "page read speed is %ld KiB/s\n", speed); + pr_info("page read speed is %ld KiB/s\n", speed); err = erase_whole_device(); if (err) goto out; /* Write all eraseblocks, 2 pages at a time */ - printk(PRINT_PREF "testing 2 page write speed\n"); + pr_info("testing 2 page write speed\n"); start_timing(); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) @@ -487,10 +487,10 @@ static int __init mtd_speedtest_init(void) } stop_timing(); speed = calc_speed(); - printk(PRINT_PREF "2 page write speed is %ld KiB/s\n", speed); + pr_info("2 page write speed is %ld KiB/s\n", speed); /* Read all eraseblocks, 2 pages at a time */ - printk(PRINT_PREF "testing 2 page read speed\n"); + pr_info("testing 2 page read speed\n"); start_timing(); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) @@ -502,10 +502,10 @@ static int __init mtd_speedtest_init(void) } stop_timing(); speed = calc_speed(); - printk(PRINT_PREF "2 page read speed is %ld KiB/s\n", speed); + pr_info("2 page read speed is %ld KiB/s\n", speed); /* Erase all eraseblocks */ - printk(PRINT_PREF "Testing erase speed\n"); + pr_info("Testing erase speed\n"); start_timing(); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) @@ -517,12 +517,12 @@ static int __init mtd_speedtest_init(void) } stop_timing(); speed = calc_speed(); - printk(PRINT_PREF "erase speed is %ld KiB/s\n", speed); + pr_info("erase speed is %ld KiB/s\n", speed); /* Multi-block erase all eraseblocks */ for (k = 1; k < 7; k++) { blocks = 1 << k; - printk(PRINT_PREF "Testing %dx multi-block erase speed\n", + pr_info("Testing %dx multi-block erase speed\n", blocks); start_timing(); for (i = 0; i < ebcnt; ) { @@ -541,16 +541,16 @@ static int __init mtd_speedtest_init(void) } stop_timing(); speed = calc_speed(); - printk(PRINT_PREF "%dx multi-block erase speed is %ld KiB/s\n", + pr_info("%dx multi-block erase speed is %ld KiB/s\n", blocks, speed); } - printk(PRINT_PREF "finished\n"); + pr_info("finished\n"); out: kfree(iobuf); kfree(bbt); put_mtd_device(mtd); if (err) - printk(PRINT_PREF "error %d occurred\n", err); + pr_info("error %d occurred\n", err); printk(KERN_INFO "=================================================\n"); return err; } diff --git a/drivers/mtd/tests/mtd_stresstest.c b/drivers/mtd/tests/mtd_stresstest.c index cb268cebf01a..3729f679ae5d 100644 --- a/drivers/mtd/tests/mtd_stresstest.c +++ b/drivers/mtd/tests/mtd_stresstest.c @@ -19,6 +19,8 @@ * Author: Adrian Hunter <ext-adrian.hunter@nokia.com> */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/init.h> #include <linux/module.h> #include <linux/moduleparam.h> @@ -29,8 +31,6 @@ #include <linux/vmalloc.h> #include <linux/random.h> -#define PRINT_PREF KERN_INFO "mtd_stresstest: " - static int dev = -EINVAL; module_param(dev, int, S_IRUGO); MODULE_PARM_DESC(dev, "MTD device number to use"); @@ -94,12 +94,12 @@ static int erase_eraseblock(int ebnum) err = mtd_erase(mtd, &ei); if (unlikely(err)) { - printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum); + pr_err("error %d while erasing EB %d\n", err, ebnum); return err; } if (unlikely(ei.state == MTD_ERASE_FAILED)) { - printk(PRINT_PREF "some erase error occurred at EB %d\n", + pr_err("some erase error occurred at EB %d\n", ebnum); return -EIO; } @@ -114,7 +114,7 @@ static int is_block_bad(int ebnum) ret = mtd_block_isbad(mtd, addr); if (ret) - printk(PRINT_PREF "block %d is bad\n", ebnum); + pr_info("block %d is bad\n", ebnum); return ret; } @@ -137,7 +137,7 @@ static int do_read(void) if (mtd_is_bitflip(err)) err = 0; if (unlikely(err || read != len)) { - printk(PRINT_PREF "error: read failed at 0x%llx\n", + pr_err("error: read failed at 0x%llx\n", (long long)addr); if (!err) err = -EINVAL; @@ -174,7 +174,7 @@ static int do_write(void) addr = eb * mtd->erasesize + offs; err = mtd_write(mtd, addr, len, &written, writebuf); if (unlikely(err || written != len)) { - printk(PRINT_PREF "error: write failed at 0x%llx\n", + pr_err("error: write failed at 0x%llx\n", (long long)addr); if (!err) err = -EINVAL; @@ -203,21 +203,21 @@ static int scan_for_bad_eraseblocks(void) bbt = kzalloc(ebcnt, GFP_KERNEL); if (!bbt) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); return -ENOMEM; } if (!mtd_can_have_bb(mtd)) return 0; - printk(PRINT_PREF "scanning for bad eraseblocks\n"); + pr_info("scanning for bad eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { bbt[i] = is_block_bad(i) ? 1 : 0; if (bbt[i]) bad += 1; cond_resched(); } - printk(PRINT_PREF "scanned %d eraseblocks, %d are bad\n", i, bad); + pr_info("scanned %d eraseblocks, %d are bad\n", i, bad); return 0; } @@ -231,22 +231,22 @@ static int __init mtd_stresstest_init(void) printk(KERN_INFO "=================================================\n"); if (dev < 0) { - printk(PRINT_PREF "Please specify a valid mtd-device via module paramter\n"); - printk(KERN_CRIT "CAREFUL: This test wipes all data on the specified MTD device!\n"); + pr_info("Please specify a valid mtd-device via module parameter\n"); + pr_crit("CAREFUL: This test wipes all data on the specified MTD device!\n"); return -EINVAL; } - printk(PRINT_PREF "MTD device: %d\n", dev); + pr_info("MTD device: %d\n", dev); mtd = get_mtd_device(NULL, dev); if (IS_ERR(mtd)) { err = PTR_ERR(mtd); - printk(PRINT_PREF "error: cannot get MTD device\n"); + pr_err("error: cannot get MTD device\n"); return err; } if (mtd->writesize == 1) { - printk(PRINT_PREF "not NAND flash, assume page size is 512 " + pr_info("not NAND flash, assume page size is 512 " "bytes.\n"); pgsize = 512; } else @@ -257,14 +257,14 @@ static int __init mtd_stresstest_init(void) ebcnt = tmp; pgcnt = mtd->erasesize / pgsize; - printk(PRINT_PREF "MTD device size %llu, eraseblock size %u, " + pr_info("MTD device size %llu, eraseblock size %u, " "page size %u, count of eraseblocks %u, pages per " "eraseblock %u, OOB size %u\n", (unsigned long long)mtd->size, mtd->erasesize, pgsize, ebcnt, pgcnt, mtd->oobsize); if (ebcnt < 2) { - printk(PRINT_PREF "error: need at least 2 eraseblocks\n"); + pr_err("error: need at least 2 eraseblocks\n"); err = -ENOSPC; goto out_put_mtd; } @@ -277,7 +277,7 @@ static int __init mtd_stresstest_init(void) writebuf = vmalloc(bufsize); offsets = kmalloc(ebcnt * sizeof(int), GFP_KERNEL); if (!readbuf || !writebuf || !offsets) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out; } for (i = 0; i < ebcnt; i++) @@ -290,16 +290,16 @@ static int __init mtd_stresstest_init(void) goto out; /* Do operations */ - printk(PRINT_PREF "doing operations\n"); + pr_info("doing operations\n"); for (op = 0; op < count; op++) { if ((op & 1023) == 0) - printk(PRINT_PREF "%d operations done\n", op); + pr_info("%d operations done\n", op); err = do_operation(); if (err) goto out; cond_resched(); } - printk(PRINT_PREF "finished, %d operations done\n", op); + pr_info("finished, %d operations done\n", op); out: kfree(offsets); @@ -309,7 +309,7 @@ out: out_put_mtd: put_mtd_device(mtd); if (err) - printk(PRINT_PREF "error %d occurred\n", err); + pr_info("error %d occurred\n", err); printk(KERN_INFO "=================================================\n"); return err; } diff --git a/drivers/mtd/tests/mtd_subpagetest.c b/drivers/mtd/tests/mtd_subpagetest.c index 9667bf535282..c880c2229c59 100644 --- a/drivers/mtd/tests/mtd_subpagetest.c +++ b/drivers/mtd/tests/mtd_subpagetest.c @@ -19,6 +19,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/init.h> #include <linux/module.h> #include <linux/moduleparam.h> @@ -27,8 +29,6 @@ #include <linux/slab.h> #include <linux/sched.h> -#define PRINT_PREF KERN_INFO "mtd_subpagetest: " - static int dev = -EINVAL; module_param(dev, int, S_IRUGO); MODULE_PARM_DESC(dev, "MTD device number to use"); @@ -82,12 +82,12 @@ static int erase_eraseblock(int ebnum) err = mtd_erase(mtd, &ei); if (err) { - printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum); + pr_err("error %d while erasing EB %d\n", err, ebnum); return err; } if (ei.state == MTD_ERASE_FAILED) { - printk(PRINT_PREF "some erase error occurred at EB %d\n", + pr_err("some erase error occurred at EB %d\n", ebnum); return -EIO; } @@ -100,7 +100,7 @@ static int erase_whole_device(void) int err; unsigned int i; - printk(PRINT_PREF "erasing whole device\n"); + pr_info("erasing whole device\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -109,7 +109,7 @@ static int erase_whole_device(void) return err; cond_resched(); } - printk(PRINT_PREF "erased %u eraseblocks\n", i); + pr_info("erased %u eraseblocks\n", i); return 0; } @@ -122,11 +122,11 @@ static int write_eraseblock(int ebnum) set_random_data(writebuf, subpgsize); err = mtd_write(mtd, addr, subpgsize, &written, writebuf); if (unlikely(err || written != subpgsize)) { - printk(PRINT_PREF "error: write failed at %#llx\n", + pr_err("error: write failed at %#llx\n", (long long)addr); if (written != subpgsize) { - printk(PRINT_PREF " write size: %#x\n", subpgsize); - printk(PRINT_PREF " written: %#zx\n", written); + pr_err(" write size: %#x\n", subpgsize); + pr_err(" written: %#zx\n", written); } return err ? err : -1; } @@ -136,11 +136,11 @@ static int write_eraseblock(int ebnum) set_random_data(writebuf, subpgsize); err = mtd_write(mtd, addr, subpgsize, &written, writebuf); if (unlikely(err || written != subpgsize)) { - printk(PRINT_PREF "error: write failed at %#llx\n", + pr_err("error: write failed at %#llx\n", (long long)addr); if (written != subpgsize) { - printk(PRINT_PREF " write size: %#x\n", subpgsize); - printk(PRINT_PREF " written: %#zx\n", written); + pr_err(" write size: %#x\n", subpgsize); + pr_err(" written: %#zx\n", written); } return err ? err : -1; } @@ -160,12 +160,12 @@ static int write_eraseblock2(int ebnum) set_random_data(writebuf, subpgsize * k); err = mtd_write(mtd, addr, subpgsize * k, &written, writebuf); if (unlikely(err || written != subpgsize * k)) { - printk(PRINT_PREF "error: write failed at %#llx\n", + pr_err("error: write failed at %#llx\n", (long long)addr); if (written != subpgsize) { - printk(PRINT_PREF " write size: %#x\n", + pr_err(" write size: %#x\n", subpgsize * k); - printk(PRINT_PREF " written: %#08zx\n", + pr_err(" written: %#08zx\n", written); } return err ? err : -1; @@ -198,23 +198,23 @@ static int verify_eraseblock(int ebnum) err = mtd_read(mtd, addr, subpgsize, &read, readbuf); if (unlikely(err || read != subpgsize)) { if (mtd_is_bitflip(err) && read == subpgsize) { - printk(PRINT_PREF "ECC correction at %#llx\n", + pr_info("ECC correction at %#llx\n", (long long)addr); err = 0; } else { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr); return err ? err : -1; } } if (unlikely(memcmp(readbuf, writebuf, subpgsize))) { - printk(PRINT_PREF "error: verify failed at %#llx\n", + pr_err("error: verify failed at %#llx\n", (long long)addr); - printk(PRINT_PREF "------------- written----------------\n"); + pr_info("------------- written----------------\n"); print_subpage(writebuf); - printk(PRINT_PREF "------------- read ------------------\n"); + pr_info("------------- read ------------------\n"); print_subpage(readbuf); - printk(PRINT_PREF "-------------------------------------\n"); + pr_info("-------------------------------------\n"); errcnt += 1; } @@ -225,23 +225,23 @@ static int verify_eraseblock(int ebnum) err = mtd_read(mtd, addr, subpgsize, &read, readbuf); if (unlikely(err || read != subpgsize)) { if (mtd_is_bitflip(err) && read == subpgsize) { - printk(PRINT_PREF "ECC correction at %#llx\n", + pr_info("ECC correction at %#llx\n", (long long)addr); err = 0; } else { - printk(PRINT_PREF "error: read failed at %#llx\n", + pr_err("error: read failed at %#llx\n", (long long)addr); return err ? err : -1; } } if (unlikely(memcmp(readbuf, writebuf, subpgsize))) { - printk(PRINT_PREF "error: verify failed at %#llx\n", + pr_info("error: verify failed at %#llx\n", (long long)addr); - printk(PRINT_PREF "------------- written----------------\n"); + pr_info("------------- written----------------\n"); print_subpage(writebuf); - printk(PRINT_PREF "------------- read ------------------\n"); + pr_info("------------- read ------------------\n"); print_subpage(readbuf); - printk(PRINT_PREF "-------------------------------------\n"); + pr_info("-------------------------------------\n"); errcnt += 1; } @@ -262,17 +262,17 @@ static int verify_eraseblock2(int ebnum) err = mtd_read(mtd, addr, subpgsize * k, &read, readbuf); if (unlikely(err || read != subpgsize * k)) { if (mtd_is_bitflip(err) && read == subpgsize * k) { - printk(PRINT_PREF "ECC correction at %#llx\n", + pr_info("ECC correction at %#llx\n", (long long)addr); err = 0; } else { - printk(PRINT_PREF "error: read failed at " + pr_err("error: read failed at " "%#llx\n", (long long)addr); return err ? err : -1; } } if (unlikely(memcmp(readbuf, writebuf, subpgsize * k))) { - printk(PRINT_PREF "error: verify failed at %#llx\n", + pr_err("error: verify failed at %#llx\n", (long long)addr); errcnt += 1; } @@ -295,17 +295,17 @@ static int verify_eraseblock_ff(int ebnum) err = mtd_read(mtd, addr, subpgsize, &read, readbuf); if (unlikely(err || read != subpgsize)) { if (mtd_is_bitflip(err) && read == subpgsize) { - printk(PRINT_PREF "ECC correction at %#llx\n", + pr_info("ECC correction at %#llx\n", (long long)addr); err = 0; } else { - printk(PRINT_PREF "error: read failed at " + pr_err("error: read failed at " "%#llx\n", (long long)addr); return err ? err : -1; } } if (unlikely(memcmp(readbuf, writebuf, subpgsize))) { - printk(PRINT_PREF "error: verify 0xff failed at " + pr_err("error: verify 0xff failed at " "%#llx\n", (long long)addr); errcnt += 1; } @@ -320,7 +320,7 @@ static int verify_all_eraseblocks_ff(void) int err; unsigned int i; - printk(PRINT_PREF "verifying all eraseblocks for 0xff\n"); + pr_info("verifying all eraseblocks for 0xff\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -328,10 +328,10 @@ static int verify_all_eraseblocks_ff(void) if (err) return err; if (i % 256 == 0) - printk(PRINT_PREF "verified up to eraseblock %u\n", i); + pr_info("verified up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "verified %u eraseblocks\n", i); + pr_info("verified %u eraseblocks\n", i); return 0; } @@ -342,7 +342,7 @@ static int is_block_bad(int ebnum) ret = mtd_block_isbad(mtd, addr); if (ret) - printk(PRINT_PREF "block %d is bad\n", ebnum); + pr_info("block %d is bad\n", ebnum); return ret; } @@ -352,18 +352,18 @@ static int scan_for_bad_eraseblocks(void) bbt = kzalloc(ebcnt, GFP_KERNEL); if (!bbt) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); return -ENOMEM; } - printk(PRINT_PREF "scanning for bad eraseblocks\n"); + pr_info("scanning for bad eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { bbt[i] = is_block_bad(i) ? 1 : 0; if (bbt[i]) bad += 1; cond_resched(); } - printk(PRINT_PREF "scanned %d eraseblocks, %d are bad\n", i, bad); + pr_info("scanned %d eraseblocks, %d are bad\n", i, bad); return 0; } @@ -377,22 +377,22 @@ static int __init mtd_subpagetest_init(void) printk(KERN_INFO "=================================================\n"); if (dev < 0) { - printk(PRINT_PREF "Please specify a valid mtd-device via module paramter\n"); - printk(KERN_CRIT "CAREFUL: This test wipes all data on the specified MTD device!\n"); + pr_info("Please specify a valid mtd-device via module parameter\n"); + pr_crit("CAREFUL: This test wipes all data on the specified MTD device!\n"); return -EINVAL; } - printk(PRINT_PREF "MTD device: %d\n", dev); + pr_info("MTD device: %d\n", dev); mtd = get_mtd_device(NULL, dev); if (IS_ERR(mtd)) { err = PTR_ERR(mtd); - printk(PRINT_PREF "error: cannot get MTD device\n"); + pr_err("error: cannot get MTD device\n"); return err; } if (mtd->type != MTD_NANDFLASH) { - printk(PRINT_PREF "this test requires NAND flash\n"); + pr_info("this test requires NAND flash\n"); goto out; } @@ -402,7 +402,7 @@ static int __init mtd_subpagetest_init(void) ebcnt = tmp; pgcnt = mtd->erasesize / mtd->writesize; - printk(PRINT_PREF "MTD device size %llu, eraseblock size %u, " + pr_info("MTD device size %llu, eraseblock size %u, " "page size %u, subpage size %u, count of eraseblocks %u, " "pages per eraseblock %u, OOB size %u\n", (unsigned long long)mtd->size, mtd->erasesize, @@ -412,12 +412,12 @@ static int __init mtd_subpagetest_init(void) bufsize = subpgsize * 32; writebuf = kmalloc(bufsize, GFP_KERNEL); if (!writebuf) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_info("error: cannot allocate memory\n"); goto out; } readbuf = kmalloc(bufsize, GFP_KERNEL); if (!readbuf) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_info("error: cannot allocate memory\n"); goto out; } @@ -429,7 +429,7 @@ static int __init mtd_subpagetest_init(void) if (err) goto out; - printk(PRINT_PREF "writing whole device\n"); + pr_info("writing whole device\n"); simple_srand(1); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) @@ -438,13 +438,13 @@ static int __init mtd_subpagetest_init(void) if (unlikely(err)) goto out; if (i % 256 == 0) - printk(PRINT_PREF "written up to eraseblock %u\n", i); + pr_info("written up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "written %u eraseblocks\n", i); + pr_info("written %u eraseblocks\n", i); simple_srand(1); - printk(PRINT_PREF "verifying all eraseblocks\n"); + pr_info("verifying all eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -452,10 +452,10 @@ static int __init mtd_subpagetest_init(void) if (unlikely(err)) goto out; if (i % 256 == 0) - printk(PRINT_PREF "verified up to eraseblock %u\n", i); + pr_info("verified up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "verified %u eraseblocks\n", i); + pr_info("verified %u eraseblocks\n", i); err = erase_whole_device(); if (err) @@ -467,7 +467,7 @@ static int __init mtd_subpagetest_init(void) /* Write all eraseblocks */ simple_srand(3); - printk(PRINT_PREF "writing whole device\n"); + pr_info("writing whole device\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -475,14 +475,14 @@ static int __init mtd_subpagetest_init(void) if (unlikely(err)) goto out; if (i % 256 == 0) - printk(PRINT_PREF "written up to eraseblock %u\n", i); + pr_info("written up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "written %u eraseblocks\n", i); + pr_info("written %u eraseblocks\n", i); /* Check all eraseblocks */ simple_srand(3); - printk(PRINT_PREF "verifying all eraseblocks\n"); + pr_info("verifying all eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -490,10 +490,10 @@ static int __init mtd_subpagetest_init(void) if (unlikely(err)) goto out; if (i % 256 == 0) - printk(PRINT_PREF "verified up to eraseblock %u\n", i); + pr_info("verified up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "verified %u eraseblocks\n", i); + pr_info("verified %u eraseblocks\n", i); err = erase_whole_device(); if (err) @@ -503,7 +503,7 @@ static int __init mtd_subpagetest_init(void) if (err) goto out; - printk(PRINT_PREF "finished with %d errors\n", errcnt); + pr_info("finished with %d errors\n", errcnt); out: kfree(bbt); @@ -511,7 +511,7 @@ out: kfree(writebuf); put_mtd_device(mtd); if (err) - printk(PRINT_PREF "error %d occurred\n", err); + pr_info("error %d occurred\n", err); printk(KERN_INFO "=================================================\n"); return err; } diff --git a/drivers/mtd/tests/mtd_torturetest.c b/drivers/mtd/tests/mtd_torturetest.c index b65861bc7b8e..c4cde1e9eddb 100644 --- a/drivers/mtd/tests/mtd_torturetest.c +++ b/drivers/mtd/tests/mtd_torturetest.c @@ -23,6 +23,8 @@ * damage caused by this program. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/init.h> #include <linux/module.h> #include <linux/moduleparam.h> @@ -31,7 +33,6 @@ #include <linux/slab.h> #include <linux/sched.h> -#define PRINT_PREF KERN_INFO "mtd_torturetest: " #define RETRIES 3 static int eb = 8; @@ -107,12 +108,12 @@ static inline int erase_eraseblock(int ebnum) err = mtd_erase(mtd, &ei); if (err) { - printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum); + pr_err("error %d while erasing EB %d\n", err, ebnum); return err; } if (ei.state == MTD_ERASE_FAILED) { - printk(PRINT_PREF "some erase error occurred at EB %d\n", + pr_err("some erase error occurred at EB %d\n", ebnum); return -EIO; } @@ -139,40 +140,40 @@ static inline int check_eraseblock(int ebnum, unsigned char *buf) retry: err = mtd_read(mtd, addr, len, &read, check_buf); if (mtd_is_bitflip(err)) - printk(PRINT_PREF "single bit flip occurred at EB %d " + pr_err("single bit flip occurred at EB %d " "MTD reported that it was fixed.\n", ebnum); else if (err) { - printk(PRINT_PREF "error %d while reading EB %d, " + pr_err("error %d while reading EB %d, " "read %zd\n", err, ebnum, read); return err; } if (read != len) { - printk(PRINT_PREF "failed to read %zd bytes from EB %d, " + pr_err("failed to read %zd bytes from EB %d, " "read only %zd, but no error reported\n", len, ebnum, read); return -EIO; } if (memcmp(buf, check_buf, len)) { - printk(PRINT_PREF "read wrong data from EB %d\n", ebnum); + pr_err("read wrong data from EB %d\n", ebnum); report_corrupt(check_buf, buf); if (retries++ < RETRIES) { /* Try read again */ yield(); - printk(PRINT_PREF "re-try reading data from EB %d\n", + pr_info("re-try reading data from EB %d\n", ebnum); goto retry; } else { - printk(PRINT_PREF "retried %d times, still errors, " + pr_info("retried %d times, still errors, " "give-up\n", RETRIES); return -EINVAL; } } if (retries != 0) - printk(PRINT_PREF "only attempt number %d was OK (!!!)\n", + pr_info("only attempt number %d was OK (!!!)\n", retries); return 0; @@ -191,12 +192,12 @@ static inline int write_pattern(int ebnum, void *buf) } err = mtd_write(mtd, addr, len, &written, buf); if (err) { - printk(PRINT_PREF "error %d while writing EB %d, written %zd" + pr_err("error %d while writing EB %d, written %zd" " bytes\n", err, ebnum, written); return err; } if (written != len) { - printk(PRINT_PREF "written only %zd bytes of %zd, but no error" + pr_info("written only %zd bytes of %zd, but no error" " reported\n", written, len); return -EIO; } @@ -211,64 +212,64 @@ static int __init tort_init(void) printk(KERN_INFO "\n"); printk(KERN_INFO "=================================================\n"); - printk(PRINT_PREF "Warning: this program is trying to wear out your " + pr_info("Warning: this program is trying to wear out your " "flash, stop it if this is not wanted.\n"); if (dev < 0) { - printk(PRINT_PREF "Please specify a valid mtd-device via module paramter\n"); - printk(KERN_CRIT "CAREFUL: This test wipes all data on the specified MTD device!\n"); + pr_info("Please specify a valid mtd-device via module parameter\n"); + pr_crit("CAREFUL: This test wipes all data on the specified MTD device!\n"); return -EINVAL; } - printk(PRINT_PREF "MTD device: %d\n", dev); - printk(PRINT_PREF "torture %d eraseblocks (%d-%d) of mtd%d\n", + pr_info("MTD device: %d\n", dev); + pr_info("torture %d eraseblocks (%d-%d) of mtd%d\n", ebcnt, eb, eb + ebcnt - 1, dev); if (pgcnt) - printk(PRINT_PREF "torturing just %d pages per eraseblock\n", + pr_info("torturing just %d pages per eraseblock\n", pgcnt); - printk(PRINT_PREF "write verify %s\n", check ? "enabled" : "disabled"); + pr_info("write verify %s\n", check ? "enabled" : "disabled"); mtd = get_mtd_device(NULL, dev); if (IS_ERR(mtd)) { err = PTR_ERR(mtd); - printk(PRINT_PREF "error: cannot get MTD device\n"); + pr_err("error: cannot get MTD device\n"); return err; } if (mtd->writesize == 1) { - printk(PRINT_PREF "not NAND flash, assume page size is 512 " + pr_info("not NAND flash, assume page size is 512 " "bytes.\n"); pgsize = 512; } else pgsize = mtd->writesize; if (pgcnt && (pgcnt > mtd->erasesize / pgsize || pgcnt < 0)) { - printk(PRINT_PREF "error: invalid pgcnt value %d\n", pgcnt); + pr_err("error: invalid pgcnt value %d\n", pgcnt); goto out_mtd; } err = -ENOMEM; patt_5A5 = kmalloc(mtd->erasesize, GFP_KERNEL); if (!patt_5A5) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out_mtd; } patt_A5A = kmalloc(mtd->erasesize, GFP_KERNEL); if (!patt_A5A) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out_patt_5A5; } patt_FF = kmalloc(mtd->erasesize, GFP_KERNEL); if (!patt_FF) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out_patt_A5A; } check_buf = kmalloc(mtd->erasesize, GFP_KERNEL); if (!check_buf) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out_patt_FF; } @@ -295,13 +296,13 @@ static int __init tort_init(void) err = mtd_block_isbad(mtd, (loff_t)i * mtd->erasesize); if (err < 0) { - printk(PRINT_PREF "block_isbad() returned %d " + pr_info("block_isbad() returned %d " "for EB %d\n", err, i); goto out; } if (err) { - printk("EB %d is bad. Skip it.\n", i); + pr_err("EB %d is bad. Skip it.\n", i); bad_ebs[i - eb] = 1; } } @@ -329,7 +330,7 @@ static int __init tort_init(void) continue; err = check_eraseblock(i, patt_FF); if (err) { - printk(PRINT_PREF "verify failed" + pr_info("verify failed" " for 0xFF... pattern\n"); goto out; } @@ -362,7 +363,7 @@ static int __init tort_init(void) patt = patt_A5A; err = check_eraseblock(i, patt); if (err) { - printk(PRINT_PREF "verify failed for %s" + pr_info("verify failed for %s" " pattern\n", ((eb + erase_cycles) & 1) ? "0x55AA55..." : "0xAA55AA..."); @@ -380,7 +381,7 @@ static int __init tort_init(void) stop_timing(); ms = (finish.tv_sec - start.tv_sec) * 1000 + (finish.tv_usec - start.tv_usec) / 1000; - printk(PRINT_PREF "%08u erase cycles done, took %lu " + pr_info("%08u erase cycles done, took %lu " "milliseconds (%lu seconds)\n", erase_cycles, ms, ms / 1000); start_timing(); @@ -391,7 +392,7 @@ static int __init tort_init(void) } out: - printk(PRINT_PREF "finished after %u erase cycles\n", + pr_info("finished after %u erase cycles\n", erase_cycles); kfree(check_buf); out_patt_FF: @@ -403,7 +404,7 @@ out_patt_5A5: out_mtd: put_mtd_device(mtd); if (err) - printk(PRINT_PREF "error %d occurred during torturing\n", err); + pr_info("error %d occurred during torturing\n", err); printk(KERN_INFO "=================================================\n"); return err; } @@ -441,9 +442,9 @@ static void report_corrupt(unsigned char *read, unsigned char *written) &bits) >= 0) pages++; - printk(PRINT_PREF "verify fails on %d pages, %d bytes/%d bits\n", + pr_info("verify fails on %d pages, %d bytes/%d bits\n", pages, bytes, bits); - printk(PRINT_PREF "The following is a list of all differences between" + pr_info("The following is a list of all differences between" " what was read from flash and what was expected\n"); for (i = 0; i < check_len; i += pgsize) { @@ -457,7 +458,7 @@ static void report_corrupt(unsigned char *read, unsigned char *written) printk("-------------------------------------------------------" "----------------------------------\n"); - printk(PRINT_PREF "Page %zd has %d bytes/%d bits failing verify," + pr_info("Page %zd has %d bytes/%d bits failing verify," " starting at offset 0x%x\n", (mtd->erasesize - check_len + i) / pgsize, bytes, bits, first); diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index ef2cb2418535..b7d45f367d4a 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4431,8 +4431,6 @@ static void bond_uninit(struct net_device *bond_dev) list_del(&bond->bond_list); - bond_work_cancel_all(bond); - bond_debug_unregister(bond); __hw_addr_flush(&bond->mc_list); diff --git a/drivers/net/can/sja1000/sja1000_of_platform.c b/drivers/net/can/sja1000/sja1000_of_platform.c index 0f5917000aa2..6433b81256cd 100644 --- a/drivers/net/can/sja1000/sja1000_of_platform.c +++ b/drivers/net/can/sja1000/sja1000_of_platform.c @@ -121,7 +121,7 @@ static int sja1000_ofp_probe(struct platform_device *ofdev) } irq = irq_of_parse_and_map(np, 0); - if (irq == NO_IRQ) { + if (irq == 0) { dev_err(&ofdev->dev, "no irq found\n"); err = -ENODEV; goto exit_unmap_mem; diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index abf26c7c1d19..3bc1912afba9 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -616,7 +616,7 @@ static inline bool be_error(struct be_adapter *adapter) return adapter->eeh_error || adapter->hw_error || adapter->fw_timeout; } -static inline bool be_crit_error(struct be_adapter *adapter) +static inline bool be_hw_error(struct be_adapter *adapter) { return adapter->eeh_error || adapter->hw_error; } diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index f2875aa47661..8a250c38fb82 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -298,7 +298,12 @@ void be_async_mcc_enable(struct be_adapter *adapter) void be_async_mcc_disable(struct be_adapter *adapter) { + spin_lock_bh(&adapter->mcc_cq_lock); + adapter->mcc_obj.rearm_cq = false; + be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0); + + spin_unlock_bh(&adapter->mcc_cq_lock); } int be_process_mcc(struct be_adapter *adapter) diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index f95612b907ae..9dca22be8125 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1689,15 +1689,41 @@ static void be_rx_cq_clean(struct be_rx_obj *rxo) struct be_queue_info *rxq = &rxo->q; struct be_queue_info *rx_cq = &rxo->cq; struct be_rx_compl_info *rxcp; + struct be_adapter *adapter = rxo->adapter; + int flush_wait = 0; u16 tail; - /* First cleanup pending rx completions */ - while ((rxcp = be_rx_compl_get(rxo)) != NULL) { - be_rx_compl_discard(rxo, rxcp); - be_cq_notify(rxo->adapter, rx_cq->id, false, 1); + /* Consume pending rx completions. + * Wait for the flush completion (identified by zero num_rcvd) + * to arrive. Notify CQ even when there are no more CQ entries + * for HW to flush partially coalesced CQ entries. + * In Lancer, there is no need to wait for flush compl. + */ + for (;;) { + rxcp = be_rx_compl_get(rxo); + if (rxcp == NULL) { + if (lancer_chip(adapter)) + break; + + if (flush_wait++ > 10 || be_hw_error(adapter)) { + dev_warn(&adapter->pdev->dev, + "did not receive flush compl\n"); + break; + } + be_cq_notify(adapter, rx_cq->id, true, 0); + mdelay(1); + } else { + be_rx_compl_discard(rxo, rxcp); + be_cq_notify(adapter, rx_cq->id, true, 1); + if (rxcp->num_rcvd == 0) + break; + } } - /* Then free posted rx buffer that were not used */ + /* 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 */ tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len; for (; atomic_read(&rxq->used) > 0; index_inc(&tail, rxq->len)) { page_info = get_rx_page_info(rxo, tail); @@ -2157,7 +2183,7 @@ void be_detect_error(struct be_adapter *adapter) u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0; u32 i; - if (be_crit_error(adapter)) + if (be_hw_error(adapter)) return; if (lancer_chip(adapter)) { @@ -2398,13 +2424,22 @@ static int be_close(struct net_device *netdev) be_roce_dev_close(adapter); - be_async_mcc_disable(adapter); - if (!lancer_chip(adapter)) be_intr_set(adapter, false); - for_all_evt_queues(adapter, eqo, i) { + for_all_evt_queues(adapter, eqo, i) napi_disable(&eqo->napi); + + be_async_mcc_disable(adapter); + + /* Wait for all pending tx completions to arrive so that + * all tx skbs are freed. + */ + be_tx_compl_clean(adapter); + + be_rx_qs_destroy(adapter); + + for_all_evt_queues(adapter, eqo, i) { if (msix_enabled(adapter)) synchronize_irq(be_msix_vec_get(adapter, eqo)); else @@ -2414,12 +2449,6 @@ static int be_close(struct net_device *netdev) be_irq_unregister(adapter); - /* Wait for all pending tx completions to arrive so that - * all tx skbs are freed. - */ - be_tx_compl_clean(adapter); - - be_rx_qs_destroy(adapter); return 0; } diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig index 5ba6e1cbd346..ec490d741fc0 100644 --- a/drivers/net/ethernet/freescale/Kconfig +++ b/drivers/net/ethernet/freescale/Kconfig @@ -94,9 +94,8 @@ config GIANFAR config FEC_PTP bool "PTP Hardware Clock (PHC)" - depends on FEC && ARCH_MXC + depends on FEC && ARCH_MXC && !SOC_IMX25 && !SOC_IMX27 && !SOC_IMX35 && !SOC_IMX5 select PTP_1588_CLOCK - default y if SOC_IMX6Q --help--- Say Y here if you want to use PTP Hardware Clock (PHC) in the driver. Only the basic clock operations have been implemented. diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c index 83f0ea929d3d..8ebc352bcbe6 100644 --- a/drivers/net/ethernet/micrel/ksz884x.c +++ b/drivers/net/ethernet/micrel/ksz884x.c @@ -4761,7 +4761,7 @@ static void transmit_cleanup(struct dev_info *hw_priv, int normal) struct ksz_dma_buf *dma_buf; struct net_device *dev = NULL; - spin_lock(&hw_priv->hwlock); + spin_lock_irq(&hw_priv->hwlock); last = info->last; while (info->avail < info->alloc) { @@ -4795,7 +4795,7 @@ static void transmit_cleanup(struct dev_info *hw_priv, int normal) info->avail++; } info->last = last; - spin_unlock(&hw_priv->hwlock); + spin_unlock_irq(&hw_priv->hwlock); /* Notify the network subsystem that the packet has been sent. */ if (dev) @@ -5259,11 +5259,15 @@ static irqreturn_t netdev_intr(int irq, void *dev_id) struct dev_info *hw_priv = priv->adapter; struct ksz_hw *hw = &hw_priv->hw; + spin_lock(&hw_priv->hwlock); + hw_read_intr(hw, &int_enable); /* Not our interrupt! */ - if (!int_enable) + if (!int_enable) { + spin_unlock(&hw_priv->hwlock); return IRQ_NONE; + } do { hw_ack_intr(hw, int_enable); @@ -5310,6 +5314,8 @@ static irqreturn_t netdev_intr(int irq, void *dev_id) hw_ena_intr(hw); + spin_unlock(&hw_priv->hwlock); + return IRQ_HANDLED; } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index 537902479689..bc7ec64e9c7a 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -36,8 +36,8 @@ #define _QLCNIC_LINUX_MAJOR 5 #define _QLCNIC_LINUX_MINOR 0 -#define _QLCNIC_LINUX_SUBVERSION 29 -#define QLCNIC_LINUX_VERSIONID "5.0.29" +#define _QLCNIC_LINUX_SUBVERSION 30 +#define QLCNIC_LINUX_VERSIONID "5.0.30" #define QLCNIC_DRV_IDC_VER 0x01 #define QLCNIC_DRIVER_VERSION ((_QLCNIC_LINUX_MAJOR << 16) |\ (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION)) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c index 58f094ca052e..b14b8f0787ea 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c @@ -134,7 +134,7 @@ int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter) __le32 *tmp_buf; struct qlcnic_cmd_args cmd; struct qlcnic_hardware_context *ahw; - struct qlcnic_dump_template_hdr *tmpl_hdr, *tmp_tmpl; + struct qlcnic_dump_template_hdr *tmpl_hdr; dma_addr_t tmp_addr_t = 0; ahw = adapter->ahw; @@ -150,6 +150,8 @@ int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter) } temp_size = cmd.rsp.arg2; version = cmd.rsp.arg3; + dev_info(&adapter->pdev->dev, + "minidump template version = 0x%x", version); if (!temp_size) return -EIO; @@ -174,7 +176,6 @@ int qlcnic_fw_cmd_get_minidump_temp(struct qlcnic_adapter *adapter) err = -EIO; goto error; } - tmp_tmpl = tmp_addr; ahw->fw_dump.tmpl_hdr = vzalloc(temp_size); if (!ahw->fw_dump.tmpl_hdr) { err = -EIO; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c index fc48e000f35f..7a6d5ebe4e0f 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c @@ -365,7 +365,7 @@ static int qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter, struct cmd_desc_type0 *cmd_desc_arr, int nr_desc) { - u32 i, producer, consumer; + u32 i, producer; struct qlcnic_cmd_buffer *pbuf; struct cmd_desc_type0 *cmd_desc; struct qlcnic_host_tx_ring *tx_ring; @@ -379,7 +379,6 @@ qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter, __netif_tx_lock_bh(tx_ring->txq); producer = tx_ring->producer; - consumer = tx_ring->sw_consumer; if (nr_desc >= qlcnic_tx_avail(tx_ring)) { netif_tx_stop_queue(tx_ring->txq); @@ -402,7 +401,7 @@ qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter, pbuf->frag_count = 0; memcpy(&tx_ring->desc_head[producer], - &cmd_desc_arr[i], sizeof(struct cmd_desc_type0)); + cmd_desc, sizeof(struct cmd_desc_type0)); producer = get_next_index(producer, tx_ring->num_desc); i++; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index a7554d9aab0c..d833f5927891 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -445,13 +445,10 @@ static int qlcnic_set_function_modes(struct qlcnic_adapter *adapter) { u8 id; - u32 ref_count; int i, ret = 1; u32 data = QLCNIC_MGMT_FUNC; struct qlcnic_hardware_context *ahw = adapter->ahw; - /* If other drivers are not in use set their privilege level */ - ref_count = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE); ret = qlcnic_api_lock(adapter); if (ret) goto err_lock; @@ -531,11 +528,9 @@ static int qlcnic_setup_pci_map(struct pci_dev *pdev, { u32 offset; void __iomem *mem_ptr0 = NULL; - resource_size_t mem_base; unsigned long mem_len, pci_len0 = 0, bar0_len; /* remap phys address */ - mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ mem_len = pci_resource_len(pdev, 0); qlcnic_get_bar_length(pdev->device, &bar0_len); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c index 12ff29270745..0b8d8625834c 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c @@ -197,7 +197,7 @@ static u32 qlcnic_dump_ctrl(struct qlcnic_adapter *adapter, int i, k, timeout = 0; void __iomem *base = adapter->ahw->pci_base0; u32 addr, data; - u8 opcode, no_ops; + u8 no_ops; struct __ctrl *ctr = &entry->region.ctrl; struct qlcnic_dump_template_hdr *t_hdr = adapter->ahw->fw_dump.tmpl_hdr; @@ -206,7 +206,6 @@ static u32 qlcnic_dump_ctrl(struct qlcnic_adapter *adapter, for (i = 0; i < no_ops; i++) { k = 0; - opcode = 0; for (k = 0; k < 8; k++) { if (!(ctr->opcode & (1 << k))) continue; diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index cb6fc5a743ca..5ac93323a40c 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -577,28 +577,30 @@ static irqreturn_t cp_interrupt (int irq, void *dev_instance) { struct net_device *dev = dev_instance; struct cp_private *cp; + int handled = 0; u16 status; if (unlikely(dev == NULL)) return IRQ_NONE; cp = netdev_priv(dev); + spin_lock(&cp->lock); + status = cpr16(IntrStatus); if (!status || (status == 0xFFFF)) - return IRQ_NONE; + goto out_unlock; + + handled = 1; netif_dbg(cp, intr, dev, "intr, status %04x cmd %02x cpcmd %04x\n", status, cpr8(Cmd), cpr16(CpCmd)); cpw16(IntrStatus, status & ~cp_rx_intr_mask); - spin_lock(&cp->lock); - /* close possible race's with dev_close */ if (unlikely(!netif_running(dev))) { cpw16(IntrMask, 0); - spin_unlock(&cp->lock); - return IRQ_HANDLED; + goto out_unlock; } if (status & (RxOK | RxErr | RxEmpty | RxFIFOOvr)) @@ -612,7 +614,6 @@ static irqreturn_t cp_interrupt (int irq, void *dev_instance) if (status & LinkChg) mii_check_media(&cp->mii_if, netif_msg_link(cp), false); - spin_unlock(&cp->lock); if (status & PciErr) { u16 pci_status; @@ -625,7 +626,10 @@ static irqreturn_t cp_interrupt (int irq, void *dev_instance) /* TODO: reset hardware */ } - return IRQ_HANDLED; +out_unlock: + spin_unlock(&cp->lock); + + return IRQ_RETVAL(handled); } #ifdef CONFIG_NET_POLL_CONTROLLER diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c index 022b45bc14ff..a670d23d9340 100644 --- a/drivers/net/ethernet/smsc/smc91x.c +++ b/drivers/net/ethernet/smsc/smc91x.c @@ -2386,8 +2386,6 @@ static const struct of_device_id smc91x_match[] = { {}, }; MODULE_DEVICE_TABLE(of, smc91x_match); -#else -#define smc91x_match NULL #endif static struct dev_pm_ops smc_drv_pm_ops = { @@ -2402,7 +2400,7 @@ static struct platform_driver smc_driver = { .name = CARDNAME, .owner = THIS_MODULE, .pm = &smc_drv_pm_ops, - .of_match_table = smc91x_match, + .of_match_table = of_match_ptr(smc91x_match), }, }; diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index 4616bf27d515..e112877d15d3 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -2575,11 +2575,13 @@ static const struct dev_pm_ops smsc911x_pm_ops = { #define SMSC911X_PM_OPS NULL #endif +#ifdef CONFIG_OF static const struct of_device_id smsc911x_dt_ids[] = { { .compatible = "smsc,lan9115", }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, smsc911x_dt_ids); +#endif static struct platform_driver smsc911x_driver = { .probe = smsc911x_drv_probe, @@ -2588,7 +2590,7 @@ static struct platform_driver smsc911x_driver = { .name = SMSC_CHIPNAME, .owner = THIS_MODULE, .pm = SMSC911X_PM_OPS, - .of_match_table = smsc911x_dt_ids, + .of_match_table = of_match_ptr(smsc911x_dt_ids), }, }; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index 023a4fb4efa5..b05df8983be5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -127,14 +127,14 @@ static inline int stmmac_register_platform(void) } static inline void stmmac_unregister_platform(void) { - platform_driver_register(&stmmac_pltfr_driver); + platform_driver_unregister(&stmmac_pltfr_driver); } #else static inline int stmmac_register_platform(void) { pr_debug("stmmac: do not register the platf driver\n"); - return -EINVAL; + return 0; } static inline void stmmac_unregister_platform(void) { @@ -162,7 +162,7 @@ static inline int stmmac_register_pci(void) { pr_debug("stmmac: do not register the PCI driver\n"); - return -EINVAL; + return 0; } static inline void stmmac_unregister_pci(void) { diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 542edbcd92c7..f07c0612abf6 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2194,18 +2194,20 @@ int stmmac_restore(struct net_device *ndev) */ static int __init stmmac_init(void) { - int err_plt = 0; - int err_pci = 0; - - err_plt = stmmac_register_platform(); - err_pci = stmmac_register_pci(); - - if ((err_pci) && (err_plt)) { - pr_err("stmmac: driver registration failed\n"); - return -EINVAL; - } + int ret; + ret = stmmac_register_platform(); + if (ret) + goto err; + ret = stmmac_register_pci(); + if (ret) + goto err_pci; return 0; +err_pci: + stmmac_unregister_platform(); +err: + pr_err("stmmac: driver registration failed\n"); + return ret; } static void __exit stmmac_exit(void) diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c index 337766738eca..5e62c1aeeffb 100644 --- a/drivers/net/ethernet/ti/cpts.c +++ b/drivers/net/ethernet/ti/cpts.c @@ -27,8 +27,6 @@ #include <linux/uaccess.h> #include <linux/workqueue.h> -#include <plat/clock.h> - #include "cpts.h" #ifdef CONFIG_TI_CPTS diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 40b426edc9e6..504f7f1cad94 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -138,6 +138,8 @@ struct tun_file { /* only used for fasnyc */ unsigned int flags; u16 queue_index; + struct list_head next; + struct tun_struct *detached; }; struct tun_flow_entry { @@ -182,6 +184,8 @@ struct tun_struct { struct hlist_head flows[TUN_NUM_FLOW_ENTRIES]; struct timer_list flow_gc_timer; unsigned long ageing_time; + unsigned int numdisabled; + struct list_head disabled; }; static inline u32 tun_hashfn(u32 rxhash) @@ -385,6 +389,23 @@ static void tun_set_real_num_queues(struct tun_struct *tun) netif_set_real_num_rx_queues(tun->dev, tun->numqueues); } +static void tun_disable_queue(struct tun_struct *tun, struct tun_file *tfile) +{ + tfile->detached = tun; + list_add_tail(&tfile->next, &tun->disabled); + ++tun->numdisabled; +} + +static struct tun_struct *tun_enable_queue(struct tun_file *tfile) +{ + struct tun_struct *tun = tfile->detached; + + tfile->detached = NULL; + list_del_init(&tfile->next); + --tun->numdisabled; + return tun; +} + static void __tun_detach(struct tun_file *tfile, bool clean) { struct tun_file *ntfile; @@ -406,20 +427,25 @@ static void __tun_detach(struct tun_file *tfile, bool clean) ntfile->queue_index = index; --tun->numqueues; - sock_put(&tfile->sk); + if (clean) + sock_put(&tfile->sk); + else + tun_disable_queue(tun, tfile); synchronize_net(); tun_flow_delete_by_queue(tun, tun->numqueues + 1); /* Drop read queue */ skb_queue_purge(&tfile->sk.sk_receive_queue); tun_set_real_num_queues(tun); - - if (tun->numqueues == 0 && !(tun->flags & TUN_PERSIST)) - if (dev->reg_state == NETREG_REGISTERED) - unregister_netdevice(dev); - } + } else if (tfile->detached && clean) + tun = tun_enable_queue(tfile); if (clean) { + if (tun && tun->numqueues == 0 && tun->numdisabled == 0 && + !(tun->flags & TUN_PERSIST)) + if (tun->dev->reg_state == NETREG_REGISTERED) + unregister_netdevice(tun->dev); + BUG_ON(!test_bit(SOCK_EXTERNALLY_ALLOCATED, &tfile->socket.flags)); sk_release_kernel(&tfile->sk); @@ -436,7 +462,7 @@ static void tun_detach(struct tun_file *tfile, bool clean) static void tun_detach_all(struct net_device *dev) { struct tun_struct *tun = netdev_priv(dev); - struct tun_file *tfile; + struct tun_file *tfile, *tmp; int i, n = tun->numqueues; for (i = 0; i < n; i++) { @@ -457,6 +483,12 @@ static void tun_detach_all(struct net_device *dev) skb_queue_purge(&tfile->sk.sk_receive_queue); sock_put(&tfile->sk); } + list_for_each_entry_safe(tfile, tmp, &tun->disabled, next) { + tun_enable_queue(tfile); + skb_queue_purge(&tfile->sk.sk_receive_queue); + sock_put(&tfile->sk); + } + BUG_ON(tun->numdisabled != 0); } static int tun_attach(struct tun_struct *tun, struct file *file) @@ -473,7 +505,8 @@ static int tun_attach(struct tun_struct *tun, struct file *file) goto out; err = -E2BIG; - if (tun->numqueues == MAX_TAP_QUEUES) + if (!tfile->detached && + tun->numqueues + tun->numdisabled == MAX_TAP_QUEUES) goto out; err = 0; @@ -487,9 +520,13 @@ static int tun_attach(struct tun_struct *tun, struct file *file) tfile->queue_index = tun->numqueues; rcu_assign_pointer(tfile->tun, tun); rcu_assign_pointer(tun->tfiles[tun->numqueues], tfile); - sock_hold(&tfile->sk); tun->numqueues++; + if (tfile->detached) + tun_enable_queue(tfile); + else + sock_hold(&tfile->sk); + tun_set_real_num_queues(tun); /* device is allowed to go away first, so no need to hold extra @@ -1162,6 +1199,7 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY; } + skb_reset_network_header(skb); rxhash = skb_get_rxhash(skb); netif_rx_ni(skb); @@ -1349,6 +1387,7 @@ static void tun_free_netdev(struct net_device *dev) { struct tun_struct *tun = netdev_priv(dev); + BUG_ON(!(list_empty(&tun->disabled))); tun_flow_uninit(tun); free_netdev(dev); } @@ -1543,6 +1582,10 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) err = tun_attach(tun, file); if (err < 0) return err; + + if (tun->flags & TUN_TAP_MQ && + (tun->numqueues + tun->numdisabled > 1)) + return err; } else { char *name; @@ -1601,6 +1644,7 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) TUN_USER_FEATURES; dev->features = dev->hw_features; + INIT_LIST_HEAD(&tun->disabled); err = tun_attach(tun, file); if (err < 0) goto err_free_dev; @@ -1755,32 +1799,28 @@ static int tun_set_queue(struct file *file, struct ifreq *ifr) { struct tun_file *tfile = file->private_data; struct tun_struct *tun; - struct net_device *dev; int ret = 0; rtnl_lock(); if (ifr->ifr_flags & IFF_ATTACH_QUEUE) { - dev = __dev_get_by_name(tfile->net, ifr->ifr_name); - if (!dev) { - ret = -EINVAL; - goto unlock; - } - - tun = netdev_priv(dev); - if (dev->netdev_ops != &tap_netdev_ops && - dev->netdev_ops != &tun_netdev_ops) + tun = tfile->detached; + if (!tun) ret = -EINVAL; else if (tun_not_capable(tun)) ret = -EPERM; else ret = tun_attach(tun, file); - } else if (ifr->ifr_flags & IFF_DETACH_QUEUE) - __tun_detach(tfile, false); - else + } else if (ifr->ifr_flags & IFF_DETACH_QUEUE) { + tun = rcu_dereference_protected(tfile->tun, + lockdep_rtnl_is_held()); + if (!tun || !(tun->flags & TUN_TAP_MQ)) + ret = -EINVAL; + else + __tun_detach(tfile, false); + } else ret = -EINVAL; -unlock: rtnl_unlock(); return ret; } @@ -2092,6 +2132,7 @@ static int tun_chr_open(struct inode *inode, struct file * file) file->private_data = tfile; set_bit(SOCK_EXTERNALLY_ALLOCATED, &tfile->socket.flags); + INIT_LIST_HEAD(&tfile->next); return 0; } diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index d0129827602b..3f3d12d766e7 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -457,12 +457,6 @@ int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) } EXPORT_SYMBOL_GPL(usbnet_cdc_bind); -static int cdc_manage_power(struct usbnet *dev, int on) -{ - dev->intf->needs_remote_wakeup = on; - return 0; -} - static const struct driver_info cdc_info = { .description = "CDC Ethernet Device", .flags = FLAG_ETHER | FLAG_POINTTOPOINT, @@ -470,7 +464,7 @@ static const struct driver_info cdc_info = { .bind = usbnet_cdc_bind, .unbind = usbnet_cdc_unbind, .status = usbnet_cdc_status, - .manage_power = cdc_manage_power, + .manage_power = usbnet_manage_power, }; static const struct driver_info wwan_info = { @@ -479,7 +473,7 @@ static const struct driver_info wwan_info = { .bind = usbnet_cdc_bind, .unbind = usbnet_cdc_unbind, .status = usbnet_cdc_status, - .manage_power = cdc_manage_power, + .manage_power = usbnet_manage_power, }; /*-------------------------------------------------------------------------*/ @@ -487,6 +481,7 @@ static const struct driver_info wwan_info = { #define HUAWEI_VENDOR_ID 0x12D1 #define NOVATEL_VENDOR_ID 0x1410 #define ZTE_VENDOR_ID 0x19D2 +#define DELL_VENDOR_ID 0x413C static const struct usb_device_id products [] = { /* @@ -594,27 +589,29 @@ static const struct usb_device_id products [] = { /* Novatel USB551L and MC551 - handled by qmi_wwan */ { - .match_flags = USB_DEVICE_ID_MATCH_VENDOR - | USB_DEVICE_ID_MATCH_PRODUCT - | USB_DEVICE_ID_MATCH_INT_INFO, - .idVendor = NOVATEL_VENDOR_ID, - .idProduct = 0xB001, - .bInterfaceClass = USB_CLASS_COMM, - .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, - .bInterfaceProtocol = USB_CDC_PROTO_NONE, + USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), .driver_info = 0, }, /* Novatel E362 - handled by qmi_wwan */ { - .match_flags = USB_DEVICE_ID_MATCH_VENDOR - | USB_DEVICE_ID_MATCH_PRODUCT - | USB_DEVICE_ID_MATCH_INT_INFO, - .idVendor = NOVATEL_VENDOR_ID, - .idProduct = 0x9010, - .bInterfaceClass = USB_CLASS_COMM, - .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, - .bInterfaceProtocol = USB_CDC_PROTO_NONE, + USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + +/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ +{ + USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + +/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ +{ + USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), .driver_info = 0, }, diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index d38bc20a60e2..71b6e92b8e9b 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -1129,19 +1129,13 @@ static void cdc_ncm_disconnect(struct usb_interface *intf) usbnet_disconnect(intf); } -static int cdc_ncm_manage_power(struct usbnet *dev, int status) -{ - dev->intf->needs_remote_wakeup = status; - return 0; -} - static const struct driver_info cdc_ncm_info = { .description = "CDC NCM", .flags = FLAG_POINTTOPOINT | FLAG_NO_SETINT | FLAG_MULTI_PACKET, .bind = cdc_ncm_bind, .unbind = cdc_ncm_unbind, .check_connect = cdc_ncm_check_connect, - .manage_power = cdc_ncm_manage_power, + .manage_power = usbnet_manage_power, .status = cdc_ncm_status, .rx_fixup = cdc_ncm_rx_fixup, .tx_fixup = cdc_ncm_tx_fixup, @@ -1155,7 +1149,7 @@ static const struct driver_info wwan_info = { .bind = cdc_ncm_bind, .unbind = cdc_ncm_unbind, .check_connect = cdc_ncm_check_connect, - .manage_power = cdc_ncm_manage_power, + .manage_power = usbnet_manage_power, .status = cdc_ncm_status, .rx_fixup = cdc_ncm_rx_fixup, .tx_fixup = cdc_ncm_tx_fixup, diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 1ea91f4237f0..91d7cb9728eb 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -383,6 +383,20 @@ static const struct usb_device_id products[] = { USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&qmi_wwan_info, }, + { /* Dell Wireless 5800 (Novatel E362) */ + USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195, + USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&qmi_wwan_info, + }, + { /* Dell Wireless 5800 V2 (Novatel E362) */ + USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196, + USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&qmi_wwan_info, + }, /* 3. Combined interface devices matching on interface number */ {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ @@ -419,6 +433,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */ {QMI_FIXED_INTF(0x19d2, 0x0200, 1)}, {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */ + {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */ diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index c04110ba677f..3d4bf01641b4 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -719,7 +719,8 @@ int usbnet_stop (struct net_device *net) dev->flags = 0; del_timer_sync (&dev->delay); tasklet_kill (&dev->bh); - if (info->manage_power) + if (info->manage_power && + !test_and_clear_bit(EVENT_NO_RUNTIME_PM, &dev->flags)) info->manage_power(dev, 0); else usb_autopm_put_interface(dev->intf); @@ -794,14 +795,14 @@ int usbnet_open (struct net_device *net) tasklet_schedule (&dev->bh); if (info->manage_power) { retval = info->manage_power(dev, 1); - if (retval < 0) - goto done_manage_power_error; - usb_autopm_put_interface(dev->intf); + if (retval < 0) { + retval = 0; + set_bit(EVENT_NO_RUNTIME_PM, &dev->flags); + } else { + usb_autopm_put_interface(dev->intf); + } } return retval; - -done_manage_power_error: - clear_bit(EVENT_DEV_OPEN, &dev->flags); done: usb_autopm_put_interface(dev->intf); done_nopm: @@ -1615,6 +1616,16 @@ void usbnet_device_suggests_idle(struct usbnet *dev) } EXPORT_SYMBOL(usbnet_device_suggests_idle); +/* + * For devices that can do without special commands + */ +int usbnet_manage_power(struct usbnet *dev, int on) +{ + dev->intf->needs_remote_wakeup = on; + return 0; +} +EXPORT_SYMBOL(usbnet_manage_power); + /*-------------------------------------------------------------------------*/ static int __usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, u16 value, u16 index, void *data, u16 size) diff --git a/drivers/net/wimax/i2400m/i2400m-usb.h b/drivers/net/wimax/i2400m/i2400m-usb.h index 6650fde99e1d..9f1e947f3557 100644 --- a/drivers/net/wimax/i2400m/i2400m-usb.h +++ b/drivers/net/wimax/i2400m/i2400m-usb.h @@ -152,6 +152,9 @@ enum { /* Device IDs */ USB_DEVICE_ID_I6050 = 0x0186, USB_DEVICE_ID_I6050_2 = 0x0188, + USB_DEVICE_ID_I6150 = 0x07d6, + USB_DEVICE_ID_I6150_2 = 0x07d7, + USB_DEVICE_ID_I6150_3 = 0x07d9, USB_DEVICE_ID_I6250 = 0x0187, }; diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c index 713d033891e6..080f36303a4f 100644 --- a/drivers/net/wimax/i2400m/usb.c +++ b/drivers/net/wimax/i2400m/usb.c @@ -510,6 +510,9 @@ int i2400mu_probe(struct usb_interface *iface, switch (id->idProduct) { case USB_DEVICE_ID_I6050: case USB_DEVICE_ID_I6050_2: + case USB_DEVICE_ID_I6150: + case USB_DEVICE_ID_I6150_2: + case USB_DEVICE_ID_I6150_3: case USB_DEVICE_ID_I6250: i2400mu->i6050 = 1; break; @@ -759,6 +762,9 @@ static struct usb_device_id i2400mu_id_table[] = { { USB_DEVICE(0x8086, USB_DEVICE_ID_I6050) }, { USB_DEVICE(0x8086, USB_DEVICE_ID_I6050_2) }, + { USB_DEVICE(0x8087, USB_DEVICE_ID_I6150) }, + { USB_DEVICE(0x8087, USB_DEVICE_ID_I6150_2) }, + { USB_DEVICE(0x8087, USB_DEVICE_ID_I6150_3) }, { USB_DEVICE(0x8086, USB_DEVICE_ID_I6250) }, { USB_DEVICE(0x8086, 0x0181) }, { USB_DEVICE(0x8086, 0x1403) }, diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index 062dfdff6364..67156efe14c4 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -47,7 +47,7 @@ obj-$(CONFIG_RT2X00) += rt2x00/ obj-$(CONFIG_P54_COMMON) += p54/ -obj-$(CONFIG_ATH_COMMON) += ath/ +obj-$(CONFIG_ATH_CARDS) += ath/ obj-$(CONFIG_MAC80211_HWSIM) += mac80211_hwsim.o diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 4ffb6a584cd0..44f8b3f3cbed 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -685,6 +685,14 @@ void rt2x00lib_rxdone(struct queue_entry *entry, gfp_t gfp) * to mac80211. */ rx_status = IEEE80211_SKB_RXCB(entry->skb); + + /* Ensure that all fields of rx_status are initialized + * properly. The skb->cb array was used for driver + * specific informations, so rx_status might contain + * garbage. + */ + memset(rx_status, 0, sizeof(*rx_status)); + rx_status->mactime = rxdesc.timestamp; rx_status->band = rt2x00dev->curr_band; rx_status->freq = rt2x00dev->curr_freq; diff --git a/drivers/of/base.c b/drivers/of/base.c index db8d211a0d05..2390ddb22d60 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -629,7 +629,7 @@ struct device_node *of_find_matching_node_and_match(struct device_node *from, read_unlock(&devtree_lock); return np; } -EXPORT_SYMBOL(of_find_matching_node); +EXPORT_SYMBOL(of_find_matching_node_and_match); /** * of_modalias_node - Lookup appropriate modalias for a device node diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c index adb3a4b59cb3..6ba047f5ac2c 100644 --- a/drivers/power/charger-manager.c +++ b/drivers/power/charger-manager.c @@ -239,44 +239,37 @@ static bool is_full_charged(struct charger_manager *cm) int uV; /* If there is no battery, it cannot be charged */ - if (!is_batt_present(cm)) { - val.intval = 0; - goto out; - } + if (!is_batt_present(cm)) + return false; if (cm->fuel_gauge && desc->fullbatt_full_capacity > 0) { + val.intval = 0; + /* Not full if capacity of fuel gauge isn't full */ ret = cm->fuel_gauge->get_property(cm->fuel_gauge, POWER_SUPPLY_PROP_CHARGE_FULL, &val); - if (!ret && val.intval > desc->fullbatt_full_capacity) { - val.intval = 1; - goto out; - } + if (!ret && val.intval > desc->fullbatt_full_capacity) + return true; } /* Full, if it's over the fullbatt voltage */ if (desc->fullbatt_uV > 0) { ret = get_batt_uV(cm, &uV); - if (!ret && uV >= desc->fullbatt_uV) { - val.intval = 1; - goto out; - } + if (!ret && uV >= desc->fullbatt_uV) + return true; } /* Full, if the capacity is more than fullbatt_soc */ if (cm->fuel_gauge && desc->fullbatt_soc > 0) { + val.intval = 0; + ret = cm->fuel_gauge->get_property(cm->fuel_gauge, POWER_SUPPLY_PROP_CAPACITY, &val); - if (!ret && val.intval >= desc->fullbatt_soc) { - val.intval = 1; - goto out; - } + if (!ret && val.intval >= desc->fullbatt_soc) + return true; } - val.intval = 0; - -out: - return val.intval ? true : false; + return false; } /** @@ -489,8 +482,9 @@ static void fullbatt_vchk(struct work_struct *work) return; } - diff = desc->fullbatt_uV; - diff -= batt_uV; + diff = desc->fullbatt_uV - batt_uV; + if (diff < 0) + return; dev_info(cm->dev, "VBATT dropped %duV after full-batt.\n", diff); diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig index ed81720e7b2b..e513cd998170 100644 --- a/drivers/pwm/Kconfig +++ b/drivers/pwm/Kconfig @@ -112,6 +112,17 @@ config PWM_SAMSUNG To compile this driver as a module, choose M here: the module will be called pwm-samsung. +config PWM_SPEAR + tristate "STMicroelectronics SPEAr PWM support" + depends on PLAT_SPEAR + depends on OF + help + Generic PWM framework driver for the PWM controller on ST + SPEAr SoCs. + + To compile this driver as a module, choose M here: the module + will be called pwm-spear. + config PWM_TEGRA tristate "NVIDIA Tegra PWM support" depends on ARCH_TEGRA @@ -125,6 +136,7 @@ config PWM_TEGRA config PWM_TIECAP tristate "ECAP PWM support" depends on SOC_AM33XX + select PWM_TIPWMSS help PWM driver support for the ECAP APWM controller found on AM33XX TI SOC @@ -135,6 +147,7 @@ config PWM_TIECAP config PWM_TIEHRPWM tristate "EHRPWM PWM support" depends on SOC_AM33XX + select PWM_TIPWMSS help PWM driver support for the EHRPWM controller found on AM33XX TI SOC @@ -142,14 +155,32 @@ config PWM_TIEHRPWM To compile this driver as a module, choose M here: the module will be called pwm-tiehrpwm. -config PWM_TWL6030 - tristate "TWL6030 PWM support" +config PWM_TIPWMSS + bool + depends on SOC_AM33XX && (PWM_TIEHRPWM || PWM_TIECAP) + help + PWM Subsystem driver support for AM33xx SOC. + + PWM submodules require PWM config space access from submodule + drivers and require common parent driver support. + +config PWM_TWL + tristate "TWL4030/6030 PWM support" + depends on TWL4030_CORE + help + Generic PWM framework driver for TWL4030/6030. + + To compile this driver as a module, choose M here: the module + will be called pwm-twl. + +config PWM_TWL_LED + tristate "TWL4030/6030 PWM support for LED drivers" depends on TWL4030_CORE help - Generic PWM framework driver for TWL6030. + Generic PWM framework driver for TWL4030/6030 LED terminals. To compile this driver as a module, choose M here: the module - will be called pwm-twl6030. + will be called pwm-twl-led. config PWM_VT8500 tristate "vt8500 pwm support" diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile index acfe4821c58b..62a2963cfe58 100644 --- a/drivers/pwm/Makefile +++ b/drivers/pwm/Makefile @@ -8,8 +8,11 @@ obj-$(CONFIG_PWM_MXS) += pwm-mxs.o obj-$(CONFIG_PWM_PUV3) += pwm-puv3.o obj-$(CONFIG_PWM_PXA) += pwm-pxa.o obj-$(CONFIG_PWM_SAMSUNG) += pwm-samsung.o +obj-$(CONFIG_PWM_SPEAR) += pwm-spear.o obj-$(CONFIG_PWM_TEGRA) += pwm-tegra.o obj-$(CONFIG_PWM_TIECAP) += pwm-tiecap.o obj-$(CONFIG_PWM_TIEHRPWM) += pwm-tiehrpwm.o -obj-$(CONFIG_PWM_TWL6030) += pwm-twl6030.o +obj-$(CONFIG_PWM_TIPWMSS) += pwm-tipwmss.o +obj-$(CONFIG_PWM_TWL) += pwm-twl.o +obj-$(CONFIG_PWM_TWL_LED) += pwm-twl-led.o obj-$(CONFIG_PWM_VT8500) += pwm-vt8500.o diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index f5acdaa52707..903138b18842 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -32,6 +32,9 @@ #define MAX_PWMS 1024 +/* flags in the third cell of the DT PWM specifier */ +#define PWM_SPEC_POLARITY (1 << 0) + static DEFINE_MUTEX(pwm_lookup_lock); static LIST_HEAD(pwm_lookup_list); static DEFINE_MUTEX(pwm_lock); @@ -129,6 +132,32 @@ static int pwm_device_request(struct pwm_device *pwm, const char *label) return 0; } +struct pwm_device * +of_pwm_xlate_with_flags(struct pwm_chip *pc, const struct of_phandle_args *args) +{ + struct pwm_device *pwm; + + if (pc->of_pwm_n_cells < 3) + return ERR_PTR(-EINVAL); + + if (args->args[0] >= pc->npwm) + return ERR_PTR(-EINVAL); + + pwm = pwm_request_from_chip(pc, args->args[0], NULL); + if (IS_ERR(pwm)) + return pwm; + + pwm_set_period(pwm, args->args[1]); + + if (args->args[2] & PWM_SPEC_POLARITY) + pwm_set_polarity(pwm, PWM_POLARITY_INVERSED); + else + pwm_set_polarity(pwm, PWM_POLARITY_NORMAL); + + return pwm; +} +EXPORT_SYMBOL_GPL(of_pwm_xlate_with_flags); + static struct pwm_device * of_pwm_simple_xlate(struct pwm_chip *pc, const struct of_phandle_args *args) { diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index 8f26e9fcea97..65a86bdeabed 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -235,7 +235,7 @@ static int imx_pwm_probe(struct platform_device *pdev) { const struct of_device_id *of_id = of_match_device(imx_pwm_dt_ids, &pdev->dev); - struct imx_pwm_data *data; + const struct imx_pwm_data *data; struct imx_chip *imx; struct resource *r; int ret = 0; diff --git a/drivers/pwm/pwm-lpc32xx.c b/drivers/pwm/pwm-lpc32xx.c index 015a82235620..14106440294f 100644 --- a/drivers/pwm/pwm-lpc32xx.c +++ b/drivers/pwm/pwm-lpc32xx.c @@ -49,9 +49,24 @@ static int lpc32xx_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, c = 0; /* 0 set division by 256 */ period_cycles = c; + /* The duty-cycle value is as follows: + * + * DUTY-CYCLE HIGH LEVEL + * 1 99.9% + * 25 90.0% + * 128 50.0% + * 220 10.0% + * 255 0.1% + * 0 0.0% + * + * In other words, the register value is duty-cycle % 256 with + * duty-cycle in the range 1-256. + */ c = 256 * duty_ns; do_div(c, period_ns); - duty_cycles = c; + if (c > 255) + c = 255; + duty_cycles = 256 - c; writel(PWM_ENABLE | PWM_RELOADV(period_cycles) | PWM_DUTY(duty_cycles), lpc32xx->base + (pwm->hwpwm << 2)); @@ -106,6 +121,7 @@ static int lpc32xx_pwm_probe(struct platform_device *pdev) lpc32xx->chip.dev = &pdev->dev; lpc32xx->chip.ops = &lpc32xx_pwm_ops; lpc32xx->chip.npwm = 2; + lpc32xx->chip.base = -1; ret = pwmchip_add(&lpc32xx->chip); if (ret < 0) { @@ -121,8 +137,11 @@ static int lpc32xx_pwm_probe(struct platform_device *pdev) static int lpc32xx_pwm_remove(struct platform_device *pdev) { struct lpc32xx_pwm_chip *lpc32xx = platform_get_drvdata(pdev); + unsigned int i; + + for (i = 0; i < lpc32xx->chip.npwm; i++) + pwm_disable(&lpc32xx->chip.pwms[i]); - clk_disable(lpc32xx->clk); return pwmchip_remove(&lpc32xx->chip); } diff --git a/drivers/pwm/pwm-samsung.c b/drivers/pwm/pwm-samsung.c index e9b15d099c03..5207e6cd8648 100644 --- a/drivers/pwm/pwm-samsung.c +++ b/drivers/pwm/pwm-samsung.c @@ -222,6 +222,7 @@ static int s3c_pwm_probe(struct platform_device *pdev) /* calculate base of control bits in TCON */ s3c->tcon_base = id == 0 ? 0 : (id * 4) + 4; + s3c->pwm_id = id; s3c->chip.dev = &pdev->dev; s3c->chip.ops = &s3c_pwm_ops; s3c->chip.base = -1; diff --git a/drivers/pwm/pwm-spear.c b/drivers/pwm/pwm-spear.c new file mode 100644 index 000000000000..83b21d9d5cf9 --- /dev/null +++ b/drivers/pwm/pwm-spear.c @@ -0,0 +1,276 @@ +/* + * ST Microelectronics SPEAr Pulse Width Modulator driver + * + * Copyright (C) 2012 ST Microelectronics + * Shiraz Hashim <shiraz.hashim@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/kernel.h> +#include <linux/math64.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/pwm.h> +#include <linux/slab.h> +#include <linux/types.h> + +#define NUM_PWM 4 + +/* PWM registers and bits definitions */ +#define PWMCR 0x00 /* Control Register */ +#define PWMCR_PWM_ENABLE 0x1 +#define PWMCR_PRESCALE_SHIFT 2 +#define PWMCR_MIN_PRESCALE 0x00 +#define PWMCR_MAX_PRESCALE 0x3FFF + +#define PWMDCR 0x04 /* Duty Cycle Register */ +#define PWMDCR_MIN_DUTY 0x0001 +#define PWMDCR_MAX_DUTY 0xFFFF + +#define PWMPCR 0x08 /* Period Register */ +#define PWMPCR_MIN_PERIOD 0x0001 +#define PWMPCR_MAX_PERIOD 0xFFFF + +/* Following only available on 13xx SoCs */ +#define PWMMCR 0x3C /* Master Control Register */ +#define PWMMCR_PWM_ENABLE 0x1 + +/** + * struct spear_pwm_chip - struct representing pwm chip + * + * @mmio_base: base address of pwm chip + * @clk: pointer to clk structure of pwm chip + * @chip: linux pwm chip representation + * @dev: pointer to device structure of pwm chip + */ +struct spear_pwm_chip { + void __iomem *mmio_base; + struct clk *clk; + struct pwm_chip chip; + struct device *dev; +}; + +static inline struct spear_pwm_chip *to_spear_pwm_chip(struct pwm_chip *chip) +{ + return container_of(chip, struct spear_pwm_chip, chip); +} + +static inline u32 spear_pwm_readl(struct spear_pwm_chip *chip, unsigned int num, + unsigned long offset) +{ + return readl_relaxed(chip->mmio_base + (num << 4) + offset); +} + +static inline void spear_pwm_writel(struct spear_pwm_chip *chip, + unsigned int num, unsigned long offset, + unsigned long val) +{ + writel_relaxed(val, chip->mmio_base + (num << 4) + offset); +} + +static int spear_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, + int duty_ns, int period_ns) +{ + struct spear_pwm_chip *pc = to_spear_pwm_chip(chip); + u64 val, div, clk_rate; + unsigned long prescale = PWMCR_MIN_PRESCALE, pv, dc; + int ret; + + /* + * Find pv, dc and prescale to suit duty_ns and period_ns. This is done + * according to formulas described below: + * + * period_ns = 10^9 * (PRESCALE + 1) * PV / PWM_CLK_RATE + * duty_ns = 10^9 * (PRESCALE + 1) * DC / PWM_CLK_RATE + * + * PV = (PWM_CLK_RATE * period_ns) / (10^9 * (PRESCALE + 1)) + * DC = (PWM_CLK_RATE * duty_ns) / (10^9 * (PRESCALE + 1)) + */ + clk_rate = clk_get_rate(pc->clk); + while (1) { + div = 1000000000; + div *= 1 + prescale; + val = clk_rate * period_ns; + pv = div64_u64(val, div); + val = clk_rate * duty_ns; + dc = div64_u64(val, div); + + /* if duty_ns and period_ns are not achievable then return */ + if (pv < PWMPCR_MIN_PERIOD || dc < PWMDCR_MIN_DUTY) + return -EINVAL; + + /* + * if pv and dc have crossed their upper limit, then increase + * prescale and recalculate pv and dc. + */ + if (pv > PWMPCR_MAX_PERIOD || dc > PWMDCR_MAX_DUTY) { + if (++prescale > PWMCR_MAX_PRESCALE) + return -EINVAL; + continue; + } + break; + } + + /* + * NOTE: the clock to PWM has to be enabled first before writing to the + * registers. + */ + ret = clk_enable(pc->clk); + if (ret) + return ret; + + spear_pwm_writel(pc, pwm->hwpwm, PWMCR, + prescale << PWMCR_PRESCALE_SHIFT); + spear_pwm_writel(pc, pwm->hwpwm, PWMDCR, dc); + spear_pwm_writel(pc, pwm->hwpwm, PWMPCR, pv); + clk_disable(pc->clk); + + return 0; +} + +static int spear_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) +{ + struct spear_pwm_chip *pc = to_spear_pwm_chip(chip); + int rc = 0; + u32 val; + + rc = clk_enable(pc->clk); + if (!rc) + return rc; + + val = spear_pwm_readl(pc, pwm->hwpwm, PWMCR); + val |= PWMCR_PWM_ENABLE; + spear_pwm_writel(pc, pwm->hwpwm, PWMCR, val); + + return 0; +} + +static void spear_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) +{ + struct spear_pwm_chip *pc = to_spear_pwm_chip(chip); + u32 val; + + val = spear_pwm_readl(pc, pwm->hwpwm, PWMCR); + val &= ~PWMCR_PWM_ENABLE; + spear_pwm_writel(pc, pwm->hwpwm, PWMCR, val); + + clk_disable(pc->clk); +} + +static const struct pwm_ops spear_pwm_ops = { + .config = spear_pwm_config, + .enable = spear_pwm_enable, + .disable = spear_pwm_disable, + .owner = THIS_MODULE, +}; + +static int spear_pwm_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct spear_pwm_chip *pc; + struct resource *r; + int ret; + u32 val; + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!r) { + dev_err(&pdev->dev, "no memory resources defined\n"); + return -ENODEV; + } + + pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); + if (!pc) { + dev_err(&pdev->dev, "failed to allocate memory\n"); + return -ENOMEM; + } + + pc->mmio_base = devm_request_and_ioremap(&pdev->dev, r); + if (!pc->mmio_base) + return -EADDRNOTAVAIL; + + pc->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(pc->clk)) + return PTR_ERR(pc->clk); + + pc->dev = &pdev->dev; + platform_set_drvdata(pdev, pc); + + pc->chip.dev = &pdev->dev; + pc->chip.ops = &spear_pwm_ops; + pc->chip.base = -1; + pc->chip.npwm = NUM_PWM; + + ret = clk_prepare(pc->clk); + if (!ret) + return ret; + + if (of_device_is_compatible(np, "st,spear1340-pwm")) { + ret = clk_enable(pc->clk); + if (!ret) { + clk_unprepare(pc->clk); + return ret; + } + /* + * Following enables PWM chip, channels would still be + * enabled individually through their control register + */ + val = readl_relaxed(pc->mmio_base + PWMMCR); + val |= PWMMCR_PWM_ENABLE; + writel_relaxed(val, pc->mmio_base + PWMMCR); + + clk_disable(pc->clk); + } + + ret = pwmchip_add(&pc->chip); + if (!ret) { + clk_unprepare(pc->clk); + dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret); + } + + return ret; +} + +static int spear_pwm_remove(struct platform_device *pdev) +{ + struct spear_pwm_chip *pc = platform_get_drvdata(pdev); + int i; + + for (i = 0; i < NUM_PWM; i++) + pwm_disable(&pc->chip.pwms[i]); + + /* clk was prepared in probe, hence unprepare it here */ + clk_unprepare(pc->clk); + return pwmchip_remove(&pc->chip); +} + +static struct of_device_id spear_pwm_of_match[] = { + { .compatible = "st,spear320-pwm" }, + { .compatible = "st,spear1340-pwm" }, + { } +}; + +MODULE_DEVICE_TABLE(of, spear_pwm_of_match); + +static struct platform_driver spear_pwm_driver = { + .driver = { + .name = "spear-pwm", + .of_match_table = spear_pwm_of_match, + }, + .probe = spear_pwm_probe, + .remove = spear_pwm_remove, +}; + +module_platform_driver(spear_pwm_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Shiraz Hashim <shiraz.hashim@st.com>"); +MODULE_AUTHOR("Viresh Kumar <viresh.kumar@linaro.com>"); +MODULE_ALIAS("platform:spear-pwm"); diff --git a/drivers/pwm/pwm-tiecap.c b/drivers/pwm/pwm-tiecap.c index 87c091b245cc..5cf016dd9822 100644 --- a/drivers/pwm/pwm-tiecap.c +++ b/drivers/pwm/pwm-tiecap.c @@ -25,6 +25,10 @@ #include <linux/clk.h> #include <linux/pm_runtime.h> #include <linux/pwm.h> +#include <linux/of_device.h> +#include <linux/pinctrl/consumer.h> + +#include "pwm-tipwmss.h" /* ECAP registers and bits definitions */ #define CAP1 0x08 @@ -184,12 +188,24 @@ static const struct pwm_ops ecap_pwm_ops = { .owner = THIS_MODULE, }; +static const struct of_device_id ecap_of_match[] = { + { .compatible = "ti,am33xx-ecap" }, + {}, +}; +MODULE_DEVICE_TABLE(of, ecap_of_match); + static int ecap_pwm_probe(struct platform_device *pdev) { int ret; struct resource *r; struct clk *clk; struct ecap_pwm_chip *pc; + u16 status; + struct pinctrl *pinctrl; + + pinctrl = devm_pinctrl_get_select_default(&pdev->dev); + if (IS_ERR(pinctrl)) + dev_warn(&pdev->dev, "unable to select pin group\n"); pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); if (!pc) { @@ -211,6 +227,8 @@ static int ecap_pwm_probe(struct platform_device *pdev) pc->chip.dev = &pdev->dev; pc->chip.ops = &ecap_pwm_ops; + pc->chip.of_xlate = of_pwm_xlate_with_flags; + pc->chip.of_pwm_n_cells = 3; pc->chip.base = -1; pc->chip.npwm = 1; @@ -231,14 +249,40 @@ static int ecap_pwm_probe(struct platform_device *pdev) } pm_runtime_enable(&pdev->dev); + pm_runtime_get_sync(&pdev->dev); + + status = pwmss_submodule_state_change(pdev->dev.parent, + PWMSS_ECAPCLK_EN); + if (!(status & PWMSS_ECAPCLK_EN_ACK)) { + dev_err(&pdev->dev, "PWMSS config space clock enable failed\n"); + ret = -EINVAL; + goto pwmss_clk_failure; + } + + pm_runtime_put_sync(&pdev->dev); + platform_set_drvdata(pdev, pc); return 0; + +pwmss_clk_failure: + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + pwmchip_remove(&pc->chip); + return ret; } static int ecap_pwm_remove(struct platform_device *pdev) { struct ecap_pwm_chip *pc = platform_get_drvdata(pdev); + pm_runtime_get_sync(&pdev->dev); + /* + * Due to hardware misbehaviour, acknowledge of the stop_req + * is missing. Hence checking of the status bit skipped. + */ + pwmss_submodule_state_change(pdev->dev.parent, PWMSS_ECAPCLK_STOP_REQ); + pm_runtime_put_sync(&pdev->dev); + pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); return pwmchip_remove(&pc->chip); @@ -246,7 +290,9 @@ static int ecap_pwm_remove(struct platform_device *pdev) static struct platform_driver ecap_pwm_driver = { .driver = { - .name = "ecap", + .name = "ecap", + .owner = THIS_MODULE, + .of_match_table = ecap_of_match, }, .probe = ecap_pwm_probe, .remove = ecap_pwm_remove, diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c index 9ffd389d0c8b..72a6dd40c9ec 100644 --- a/drivers/pwm/pwm-tiehrpwm.c +++ b/drivers/pwm/pwm-tiehrpwm.c @@ -25,6 +25,10 @@ #include <linux/err.h> #include <linux/clk.h> #include <linux/pm_runtime.h> +#include <linux/of_device.h> +#include <linux/pinctrl/consumer.h> + +#include "pwm-tipwmss.h" /* EHRPWM registers and bits definitions */ @@ -115,6 +119,7 @@ struct ehrpwm_pwm_chip { void __iomem *mmio_base; unsigned long period_cycles[NUM_PWM_CHANNEL]; enum pwm_polarity polarity[NUM_PWM_CHANNEL]; + struct clk *tbclk; }; static inline struct ehrpwm_pwm_chip *to_ehrpwm_pwm_chip(struct pwm_chip *chip) @@ -335,6 +340,9 @@ static int ehrpwm_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) /* Channels polarity can be configured from action qualifier module */ configure_polarity(pc, pwm->hwpwm); + /* Enable TBCLK before enabling PWM device */ + clk_enable(pc->tbclk); + /* Enable time counter for free_run */ ehrpwm_modify(pc->mmio_base, TBCTL, TBCTL_RUN_MASK, TBCTL_FREE_RUN); return 0; @@ -363,6 +371,9 @@ static void ehrpwm_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) ehrpwm_modify(pc->mmio_base, AQCSFRC, aqcsfrc_mask, aqcsfrc_val); + /* Disabling TBCLK on PWM disable */ + clk_disable(pc->tbclk); + /* Stop Time base counter */ ehrpwm_modify(pc->mmio_base, TBCTL, TBCTL_RUN_MASK, TBCTL_STOP_NEXT); @@ -392,12 +403,24 @@ static const struct pwm_ops ehrpwm_pwm_ops = { .owner = THIS_MODULE, }; +static const struct of_device_id ehrpwm_of_match[] = { + { .compatible = "ti,am33xx-ehrpwm" }, + {}, +}; +MODULE_DEVICE_TABLE(of, ehrpwm_of_match); + static int ehrpwm_pwm_probe(struct platform_device *pdev) { int ret; struct resource *r; struct clk *clk; struct ehrpwm_pwm_chip *pc; + u16 status; + struct pinctrl *pinctrl; + + pinctrl = devm_pinctrl_get_select_default(&pdev->dev); + if (IS_ERR(pinctrl)) + dev_warn(&pdev->dev, "unable to select pin group\n"); pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); if (!pc) { @@ -419,6 +442,8 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev) pc->chip.dev = &pdev->dev; pc->chip.ops = &ehrpwm_pwm_ops; + pc->chip.of_xlate = of_pwm_xlate_with_flags; + pc->chip.of_pwm_n_cells = 3; pc->chip.base = -1; pc->chip.npwm = NUM_PWM_CHANNEL; @@ -432,6 +457,13 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev) if (!pc->mmio_base) return -EADDRNOTAVAIL; + /* Acquire tbclk for Time Base EHRPWM submodule */ + pc->tbclk = devm_clk_get(&pdev->dev, "tbclk"); + if (IS_ERR(pc->tbclk)) { + dev_err(&pdev->dev, "Failed to get tbclk\n"); + return PTR_ERR(pc->tbclk); + } + ret = pwmchip_add(&pc->chip); if (ret < 0) { dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret); @@ -439,14 +471,40 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev) } pm_runtime_enable(&pdev->dev); + pm_runtime_get_sync(&pdev->dev); + + status = pwmss_submodule_state_change(pdev->dev.parent, + PWMSS_EPWMCLK_EN); + if (!(status & PWMSS_EPWMCLK_EN_ACK)) { + dev_err(&pdev->dev, "PWMSS config space clock enable failed\n"); + ret = -EINVAL; + goto pwmss_clk_failure; + } + + pm_runtime_put_sync(&pdev->dev); + platform_set_drvdata(pdev, pc); return 0; + +pwmss_clk_failure: + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + pwmchip_remove(&pc->chip); + return ret; } static int ehrpwm_pwm_remove(struct platform_device *pdev) { struct ehrpwm_pwm_chip *pc = platform_get_drvdata(pdev); + pm_runtime_get_sync(&pdev->dev); + /* + * Due to hardware misbehaviour, acknowledge of the stop_req + * is missing. Hence checking of the status bit skipped. + */ + pwmss_submodule_state_change(pdev->dev.parent, PWMSS_EPWMCLK_STOP_REQ); + pm_runtime_put_sync(&pdev->dev); + pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); return pwmchip_remove(&pc->chip); @@ -454,7 +512,9 @@ static int ehrpwm_pwm_remove(struct platform_device *pdev) static struct platform_driver ehrpwm_pwm_driver = { .driver = { - .name = "ehrpwm", + .name = "ehrpwm", + .owner = THIS_MODULE, + .of_match_table = ehrpwm_of_match, }, .probe = ehrpwm_pwm_probe, .remove = ehrpwm_pwm_remove, diff --git a/drivers/pwm/pwm-tipwmss.c b/drivers/pwm/pwm-tipwmss.c new file mode 100644 index 000000000000..3448a1c88590 --- /dev/null +++ b/drivers/pwm/pwm-tipwmss.c @@ -0,0 +1,139 @@ +/* + * TI PWM Subsystem driver + * + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.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; either version 2 of the License, or + * (at your option) any later version. + * + * 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/module.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/err.h> +#include <linux/pm_runtime.h> +#include <linux/of_device.h> + +#include "pwm-tipwmss.h" + +#define PWMSS_CLKCONFIG 0x8 /* Clock gating reg */ +#define PWMSS_CLKSTATUS 0xc /* Clock gating status reg */ + +struct pwmss_info { + void __iomem *mmio_base; + struct mutex pwmss_lock; + u16 pwmss_clkconfig; +}; + +u16 pwmss_submodule_state_change(struct device *dev, int set) +{ + struct pwmss_info *info = dev_get_drvdata(dev); + u16 val; + + mutex_lock(&info->pwmss_lock); + val = readw(info->mmio_base + PWMSS_CLKCONFIG); + val |= set; + writew(val , info->mmio_base + PWMSS_CLKCONFIG); + mutex_unlock(&info->pwmss_lock); + + return readw(info->mmio_base + PWMSS_CLKSTATUS); +} +EXPORT_SYMBOL(pwmss_submodule_state_change); + +static const struct of_device_id pwmss_of_match[] = { + { .compatible = "ti,am33xx-pwmss" }, + {}, +}; +MODULE_DEVICE_TABLE(of, pwmss_of_match); + +static int pwmss_probe(struct platform_device *pdev) +{ + int ret; + struct resource *r; + struct pwmss_info *info; + struct device_node *node = pdev->dev.of_node; + + info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL); + if (!info) { + dev_err(&pdev->dev, "failed to allocate memory\n"); + return -ENOMEM; + } + + mutex_init(&info->pwmss_lock); + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!r) { + dev_err(&pdev->dev, "no memory resource defined\n"); + return -ENODEV; + } + + info->mmio_base = devm_request_and_ioremap(&pdev->dev, r); + if (!info->mmio_base) + return -EADDRNOTAVAIL; + + pm_runtime_enable(&pdev->dev); + pm_runtime_get_sync(&pdev->dev); + platform_set_drvdata(pdev, info); + + /* Populate all the child nodes here... */ + ret = of_platform_populate(node, NULL, NULL, &pdev->dev); + if (ret) + dev_err(&pdev->dev, "no child node found\n"); + + return ret; +} + +static int pwmss_remove(struct platform_device *pdev) +{ + struct pwmss_info *info = platform_get_drvdata(pdev); + + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + mutex_destroy(&info->pwmss_lock); + return 0; +} + +static int pwmss_suspend(struct device *dev) +{ + struct pwmss_info *info = dev_get_drvdata(dev); + + info->pwmss_clkconfig = readw(info->mmio_base + PWMSS_CLKCONFIG); + pm_runtime_put_sync(dev); + return 0; +} + +static int pwmss_resume(struct device *dev) +{ + struct pwmss_info *info = dev_get_drvdata(dev); + + pm_runtime_get_sync(dev); + writew(info->pwmss_clkconfig, info->mmio_base + PWMSS_CLKCONFIG); + return 0; +} + +static SIMPLE_DEV_PM_OPS(pwmss_pm_ops, pwmss_suspend, pwmss_resume); + +static struct platform_driver pwmss_driver = { + .driver = { + .name = "pwmss", + .owner = THIS_MODULE, + .pm = &pwmss_pm_ops, + .of_match_table = pwmss_of_match, + }, + .probe = pwmss_probe, + .remove = pwmss_remove, +}; + +module_platform_driver(pwmss_driver); + +MODULE_DESCRIPTION("PWM Subsystem driver"); +MODULE_AUTHOR("Texas Instruments"); +MODULE_LICENSE("GPL"); diff --git a/drivers/pwm/pwm-tipwmss.h b/drivers/pwm/pwm-tipwmss.h new file mode 100644 index 000000000000..11f76a1e266b --- /dev/null +++ b/drivers/pwm/pwm-tipwmss.h @@ -0,0 +1,39 @@ +/* + * TI PWM Subsystem driver + * + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.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; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + */ + +#ifndef __TIPWMSS_H +#define __TIPWMSS_H + +#ifdef CONFIG_PWM_TIPWMSS +/* PWM substem clock gating */ +#define PWMSS_ECAPCLK_EN BIT(0) +#define PWMSS_ECAPCLK_STOP_REQ BIT(1) +#define PWMSS_EPWMCLK_EN BIT(8) +#define PWMSS_EPWMCLK_STOP_REQ BIT(9) + +#define PWMSS_ECAPCLK_EN_ACK BIT(0) +#define PWMSS_EPWMCLK_EN_ACK BIT(8) + +extern u16 pwmss_submodule_state_change(struct device *dev, int set); +#else +static inline u16 pwmss_submodule_state_change(struct device *dev, int set) +{ + /* return success status value */ + return 0xFFFF; +} +#endif +#endif /* __TIPWMSS_H */ diff --git a/drivers/pwm/pwm-twl-led.c b/drivers/pwm/pwm-twl-led.c new file mode 100644 index 000000000000..9dfa0f3eca30 --- /dev/null +++ b/drivers/pwm/pwm-twl-led.c @@ -0,0 +1,344 @@ +/* + * Driver for TWL4030/6030 Pulse Width Modulator used as LED driver + * + * Copyright (C) 2012 Texas Instruments + * Author: Peter Ujfalusi <peter.ujfalusi@ti.com> + * + * This driver is a complete rewrite of the former pwm-twl6030.c authorded by: + * Hemanth V <hemanthv@ti.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. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pwm.h> +#include <linux/i2c/twl.h> +#include <linux/slab.h> + +/* + * This driver handles the PWM driven LED terminals of TWL4030 and TWL6030. + * To generate the signal on TWL4030: + * - LEDA uses PWMA + * - LEDB uses PWMB + * TWL6030 has one LED pin with dedicated LEDPWM + */ + +#define TWL4030_LED_MAX 0x7f +#define TWL6030_LED_MAX 0xff + +/* Registers, bits and macro for TWL4030 */ +#define TWL4030_LEDEN_REG 0x00 +#define TWL4030_PWMA_REG 0x01 + +#define TWL4030_LEDXON (1 << 0) +#define TWL4030_LEDXPWM (1 << 4) +#define TWL4030_LED_PINS (TWL4030_LEDXON | TWL4030_LEDXPWM) +#define TWL4030_LED_TOGGLE(led, x) ((x) << (led)) + +/* Register, bits and macro for TWL6030 */ +#define TWL6030_LED_PWM_CTRL1 0xf4 +#define TWL6030_LED_PWM_CTRL2 0xf5 + +#define TWL6040_LED_MODE_HW 0x00 +#define TWL6040_LED_MODE_ON 0x01 +#define TWL6040_LED_MODE_OFF 0x02 +#define TWL6040_LED_MODE_MASK 0x03 + +struct twl_pwmled_chip { + struct pwm_chip chip; + struct mutex mutex; +}; + +static inline struct twl_pwmled_chip *to_twl(struct pwm_chip *chip) +{ + return container_of(chip, struct twl_pwmled_chip, chip); +} + +static int twl4030_pwmled_config(struct pwm_chip *chip, struct pwm_device *pwm, + int duty_ns, int period_ns) +{ + int duty_cycle = DIV_ROUND_UP(duty_ns * TWL4030_LED_MAX, period_ns) + 1; + u8 pwm_config[2] = { 1, 0 }; + int base, ret; + + /* + * To configure the duty period: + * On-cycle is set to 1 (the minimum allowed value) + * The off time of 0 is not configurable, so the mapping is: + * 0 -> off cycle = 2, + * 1 -> off cycle = 2, + * 2 -> off cycle = 3, + * 126 - > off cycle 127, + * 127 - > off cycle 1 + * When on cycle == off cycle the PWM will be always on + */ + if (duty_cycle == 1) + duty_cycle = 2; + else if (duty_cycle > TWL4030_LED_MAX) + duty_cycle = 1; + + base = pwm->hwpwm * 2 + TWL4030_PWMA_REG; + + pwm_config[1] = duty_cycle; + + ret = twl_i2c_write(TWL4030_MODULE_LED, pwm_config, base, 2); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to configure PWM\n", pwm->label); + + return ret; +} + +static int twl4030_pwmled_enable(struct pwm_chip *chip, struct pwm_device *pwm) +{ + struct twl_pwmled_chip *twl = to_twl(chip); + int ret; + u8 val; + + mutex_lock(&twl->mutex); + ret = twl_i2c_read_u8(TWL4030_MODULE_LED, &val, TWL4030_LEDEN_REG); + if (ret < 0) { + dev_err(chip->dev, "%s: Failed to read LEDEN\n", pwm->label); + goto out; + } + + val |= TWL4030_LED_TOGGLE(pwm->hwpwm, TWL4030_LED_PINS); + + ret = twl_i2c_write_u8(TWL4030_MODULE_LED, val, TWL4030_LEDEN_REG); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to enable PWM\n", pwm->label); + +out: + mutex_unlock(&twl->mutex); + return ret; +} + +static void twl4030_pwmled_disable(struct pwm_chip *chip, + struct pwm_device *pwm) +{ + struct twl_pwmled_chip *twl = to_twl(chip); + int ret; + u8 val; + + mutex_lock(&twl->mutex); + ret = twl_i2c_read_u8(TWL4030_MODULE_LED, &val, TWL4030_LEDEN_REG); + if (ret < 0) { + dev_err(chip->dev, "%s: Failed to read LEDEN\n", pwm->label); + goto out; + } + + val &= ~TWL4030_LED_TOGGLE(pwm->hwpwm, TWL4030_LED_PINS); + + ret = twl_i2c_write_u8(TWL4030_MODULE_LED, val, TWL4030_LEDEN_REG); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to disable PWM\n", pwm->label); + +out: + mutex_unlock(&twl->mutex); +} + +static int twl6030_pwmled_config(struct pwm_chip *chip, struct pwm_device *pwm, + int duty_ns, int period_ns) +{ + int duty_cycle = (duty_ns * TWL6030_LED_MAX) / period_ns; + u8 on_time; + int ret; + + on_time = duty_cycle & 0xff; + + ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, on_time, + TWL6030_LED_PWM_CTRL1); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to configure PWM\n", pwm->label); + + return ret; +} + +static int twl6030_pwmled_enable(struct pwm_chip *chip, struct pwm_device *pwm) +{ + struct twl_pwmled_chip *twl = to_twl(chip); + int ret; + u8 val; + + mutex_lock(&twl->mutex); + ret = twl_i2c_read_u8(TWL6030_MODULE_ID1, &val, TWL6030_LED_PWM_CTRL2); + if (ret < 0) { + dev_err(chip->dev, "%s: Failed to read PWM_CTRL2\n", + pwm->label); + goto out; + } + + val &= ~TWL6040_LED_MODE_MASK; + val |= TWL6040_LED_MODE_ON; + + ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, TWL6030_LED_PWM_CTRL2); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to enable PWM\n", pwm->label); + +out: + mutex_unlock(&twl->mutex); + return ret; +} + +static void twl6030_pwmled_disable(struct pwm_chip *chip, + struct pwm_device *pwm) +{ + struct twl_pwmled_chip *twl = to_twl(chip); + int ret; + u8 val; + + mutex_lock(&twl->mutex); + ret = twl_i2c_read_u8(TWL6030_MODULE_ID1, &val, TWL6030_LED_PWM_CTRL2); + if (ret < 0) { + dev_err(chip->dev, "%s: Failed to read PWM_CTRL2\n", + pwm->label); + goto out; + } + + val &= ~TWL6040_LED_MODE_MASK; + val |= TWL6040_LED_MODE_OFF; + + ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, TWL6030_LED_PWM_CTRL2); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to disable PWM\n", pwm->label); + +out: + mutex_unlock(&twl->mutex); +} + +static int twl6030_pwmled_request(struct pwm_chip *chip, struct pwm_device *pwm) +{ + struct twl_pwmled_chip *twl = to_twl(chip); + int ret; + u8 val; + + mutex_lock(&twl->mutex); + ret = twl_i2c_read_u8(TWL6030_MODULE_ID1, &val, TWL6030_LED_PWM_CTRL2); + if (ret < 0) { + dev_err(chip->dev, "%s: Failed to read PWM_CTRL2\n", + pwm->label); + goto out; + } + + val &= ~TWL6040_LED_MODE_MASK; + val |= TWL6040_LED_MODE_OFF; + + ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, TWL6030_LED_PWM_CTRL2); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to request PWM\n", pwm->label); + +out: + mutex_unlock(&twl->mutex); + return ret; +} + +static void twl6030_pwmled_free(struct pwm_chip *chip, struct pwm_device *pwm) +{ + struct twl_pwmled_chip *twl = to_twl(chip); + int ret; + u8 val; + + mutex_lock(&twl->mutex); + ret = twl_i2c_read_u8(TWL6030_MODULE_ID1, &val, TWL6030_LED_PWM_CTRL2); + if (ret < 0) { + dev_err(chip->dev, "%s: Failed to read PWM_CTRL2\n", + pwm->label); + goto out; + } + + val &= ~TWL6040_LED_MODE_MASK; + val |= TWL6040_LED_MODE_HW; + + ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, TWL6030_LED_PWM_CTRL2); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to free PWM\n", pwm->label); + +out: + mutex_unlock(&twl->mutex); +} + +static const struct pwm_ops twl4030_pwmled_ops = { + .enable = twl4030_pwmled_enable, + .disable = twl4030_pwmled_disable, + .config = twl4030_pwmled_config, +}; + +static const struct pwm_ops twl6030_pwmled_ops = { + .enable = twl6030_pwmled_enable, + .disable = twl6030_pwmled_disable, + .config = twl6030_pwmled_config, + .request = twl6030_pwmled_request, + .free = twl6030_pwmled_free, +}; + +static int twl_pwmled_probe(struct platform_device *pdev) +{ + struct twl_pwmled_chip *twl; + int ret; + + twl = devm_kzalloc(&pdev->dev, sizeof(*twl), GFP_KERNEL); + if (!twl) + return -ENOMEM; + + if (twl_class_is_4030()) { + twl->chip.ops = &twl4030_pwmled_ops; + twl->chip.npwm = 2; + } else { + twl->chip.ops = &twl6030_pwmled_ops; + twl->chip.npwm = 1; + } + + twl->chip.dev = &pdev->dev; + twl->chip.base = -1; + + mutex_init(&twl->mutex); + + ret = pwmchip_add(&twl->chip); + if (ret < 0) + return ret; + + platform_set_drvdata(pdev, twl); + + return 0; +} + +static int twl_pwmled_remove(struct platform_device *pdev) +{ + struct twl_pwmled_chip *twl = platform_get_drvdata(pdev); + + return pwmchip_remove(&twl->chip); +} + +#ifdef CONFIG_OF +static struct of_device_id twl_pwmled_of_match[] = { + { .compatible = "ti,twl4030-pwmled" }, + { .compatible = "ti,twl6030-pwmled" }, + { }, +}; +MODULE_DEVICE_TABLE(of, twl_pwmled_of_match); +#endif + +static struct platform_driver twl_pwmled_driver = { + .driver = { + .name = "twl-pwmled", + .of_match_table = of_match_ptr(twl_pwmled_of_match), + }, + .probe = twl_pwmled_probe, + .remove = twl_pwmled_remove, +}; +module_platform_driver(twl_pwmled_driver); + +MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>"); +MODULE_DESCRIPTION("PWM driver for TWL4030 and TWL6030 LED outputs"); +MODULE_ALIAS("platform:twl-pwmled"); +MODULE_LICENSE("GPL"); diff --git a/drivers/pwm/pwm-twl.c b/drivers/pwm/pwm-twl.c new file mode 100644 index 000000000000..e65db95d5e59 --- /dev/null +++ b/drivers/pwm/pwm-twl.c @@ -0,0 +1,359 @@ +/* + * Driver for TWL4030/6030 Generic Pulse Width Modulator + * + * Copyright (C) 2012 Texas Instruments + * Author: Peter Ujfalusi <peter.ujfalusi@ti.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. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pwm.h> +#include <linux/i2c/twl.h> +#include <linux/slab.h> + +/* + * This driver handles the PWMs of TWL4030 and TWL6030. + * The TRM names for the PWMs on TWL4030 are: PWM0, PWM1 + * TWL6030 also have two PWMs named in the TRM as PWM1, PWM2 + */ + +#define TWL_PWM_MAX 0x7f + +/* Registers, bits and macro for TWL4030 */ +#define TWL4030_GPBR1_REG 0x0c +#define TWL4030_PMBR1_REG 0x0d + +/* GPBR1 register bits */ +#define TWL4030_PWMXCLK_ENABLE (1 << 0) +#define TWL4030_PWMX_ENABLE (1 << 2) +#define TWL4030_PWMX_BITS (TWL4030_PWMX_ENABLE | TWL4030_PWMXCLK_ENABLE) +#define TWL4030_PWM_TOGGLE(pwm, x) ((x) << (pwm)) + +/* PMBR1 register bits */ +#define TWL4030_GPIO6_PWM0_MUTE_MASK (0x03 << 2) +#define TWL4030_GPIO6_PWM0_MUTE_PWM0 (0x01 << 2) +#define TWL4030_GPIO7_VIBRASYNC_PWM1_MASK (0x03 << 4) +#define TWL4030_GPIO7_VIBRASYNC_PWM1_PWM1 (0x03 << 4) + +/* Register, bits and macro for TWL6030 */ +#define TWL6030_TOGGLE3_REG 0x92 + +#define TWL6030_PWMXR (1 << 0) +#define TWL6030_PWMXS (1 << 1) +#define TWL6030_PWMXEN (1 << 2) +#define TWL6030_PWM_TOGGLE(pwm, x) ((x) << (pwm * 3)) + +struct twl_pwm_chip { + struct pwm_chip chip; + struct mutex mutex; + u8 twl6030_toggle3; + u8 twl4030_pwm_mux; +}; + +static inline struct twl_pwm_chip *to_twl(struct pwm_chip *chip) +{ + return container_of(chip, struct twl_pwm_chip, chip); +} + +static int twl_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, + int duty_ns, int period_ns) +{ + int duty_cycle = DIV_ROUND_UP(duty_ns * TWL_PWM_MAX, period_ns) + 1; + u8 pwm_config[2] = { 1, 0 }; + int base, ret; + + /* + * To configure the duty period: + * On-cycle is set to 1 (the minimum allowed value) + * The off time of 0 is not configurable, so the mapping is: + * 0 -> off cycle = 2, + * 1 -> off cycle = 2, + * 2 -> off cycle = 3, + * 126 - > off cycle 127, + * 127 - > off cycle 1 + * When on cycle == off cycle the PWM will be always on + */ + if (duty_cycle == 1) + duty_cycle = 2; + else if (duty_cycle > TWL_PWM_MAX) + duty_cycle = 1; + + base = pwm->hwpwm * 3; + + pwm_config[1] = duty_cycle; + + ret = twl_i2c_write(TWL_MODULE_PWM, pwm_config, base, 2); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to configure PWM\n", pwm->label); + + return ret; +} + +static int twl4030_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) +{ + struct twl_pwm_chip *twl = to_twl(chip); + int ret; + u8 val; + + mutex_lock(&twl->mutex); + ret = twl_i2c_read_u8(TWL4030_MODULE_INTBR, &val, TWL4030_GPBR1_REG); + if (ret < 0) { + dev_err(chip->dev, "%s: Failed to read GPBR1\n", pwm->label); + goto out; + } + + val |= TWL4030_PWM_TOGGLE(pwm->hwpwm, TWL4030_PWMXCLK_ENABLE); + + ret = twl_i2c_write_u8(TWL4030_MODULE_INTBR, val, TWL4030_GPBR1_REG); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to enable PWM\n", pwm->label); + + val |= TWL4030_PWM_TOGGLE(pwm->hwpwm, TWL4030_PWMX_ENABLE); + + ret = twl_i2c_write_u8(TWL4030_MODULE_INTBR, val, TWL4030_GPBR1_REG); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to enable PWM\n", pwm->label); + +out: + mutex_unlock(&twl->mutex); + return ret; +} + +static void twl4030_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) +{ + struct twl_pwm_chip *twl = to_twl(chip); + int ret; + u8 val; + + mutex_lock(&twl->mutex); + ret = twl_i2c_read_u8(TWL4030_MODULE_INTBR, &val, TWL4030_GPBR1_REG); + if (ret < 0) { + dev_err(chip->dev, "%s: Failed to read GPBR1\n", pwm->label); + goto out; + } + + val &= ~TWL4030_PWM_TOGGLE(pwm->hwpwm, TWL4030_PWMX_ENABLE); + + ret = twl_i2c_write_u8(TWL4030_MODULE_INTBR, val, TWL4030_GPBR1_REG); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to disable PWM\n", pwm->label); + + val &= ~TWL4030_PWM_TOGGLE(pwm->hwpwm, TWL4030_PWMXCLK_ENABLE); + + ret = twl_i2c_write_u8(TWL4030_MODULE_INTBR, val, TWL4030_GPBR1_REG); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to disable PWM\n", pwm->label); + +out: + mutex_unlock(&twl->mutex); +} + +static int twl4030_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) +{ + struct twl_pwm_chip *twl = to_twl(chip); + int ret; + u8 val, mask, bits; + + if (pwm->hwpwm == 1) { + mask = TWL4030_GPIO7_VIBRASYNC_PWM1_MASK; + bits = TWL4030_GPIO7_VIBRASYNC_PWM1_PWM1; + } else { + mask = TWL4030_GPIO6_PWM0_MUTE_MASK; + bits = TWL4030_GPIO6_PWM0_MUTE_PWM0; + } + + mutex_lock(&twl->mutex); + ret = twl_i2c_read_u8(TWL4030_MODULE_INTBR, &val, TWL4030_PMBR1_REG); + if (ret < 0) { + dev_err(chip->dev, "%s: Failed to read PMBR1\n", pwm->label); + goto out; + } + + /* Save the current MUX configuration for the PWM */ + twl->twl4030_pwm_mux &= ~mask; + twl->twl4030_pwm_mux |= (val & mask); + + /* Select PWM functionality */ + val &= ~mask; + val |= bits; + + ret = twl_i2c_write_u8(TWL4030_MODULE_INTBR, val, TWL4030_PMBR1_REG); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to request PWM\n", pwm->label); + +out: + mutex_unlock(&twl->mutex); + return ret; +} + +static void twl4030_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) +{ + struct twl_pwm_chip *twl = container_of(chip, struct twl_pwm_chip, + chip); + int ret; + u8 val, mask; + + if (pwm->hwpwm == 1) + mask = TWL4030_GPIO7_VIBRASYNC_PWM1_MASK; + else + mask = TWL4030_GPIO6_PWM0_MUTE_MASK; + + mutex_lock(&twl->mutex); + ret = twl_i2c_read_u8(TWL4030_MODULE_INTBR, &val, TWL4030_PMBR1_REG); + if (ret < 0) { + dev_err(chip->dev, "%s: Failed to read PMBR1\n", pwm->label); + goto out; + } + + /* Restore the MUX configuration for the PWM */ + val &= ~mask; + val |= (twl->twl4030_pwm_mux & mask); + + ret = twl_i2c_write_u8(TWL4030_MODULE_INTBR, val, TWL4030_PMBR1_REG); + if (ret < 0) + dev_err(chip->dev, "%s: Failed to free PWM\n", pwm->label); + +out: + mutex_unlock(&twl->mutex); +} + +static int twl6030_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) +{ + struct twl_pwm_chip *twl = container_of(chip, struct twl_pwm_chip, + chip); + int ret; + u8 val; + + mutex_lock(&twl->mutex); + val = twl->twl6030_toggle3; + val |= TWL6030_PWM_TOGGLE(pwm->hwpwm, TWL6030_PWMXS | TWL6030_PWMXEN); + val &= ~TWL6030_PWM_TOGGLE(pwm->hwpwm, TWL6030_PWMXR); + + ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, TWL6030_TOGGLE3_REG); + if (ret < 0) { + dev_err(chip->dev, "%s: Failed to enable PWM\n", pwm->label); + goto out; + } + + twl->twl6030_toggle3 = val; +out: + mutex_unlock(&twl->mutex); + return 0; +} + +static void twl6030_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) +{ + struct twl_pwm_chip *twl = container_of(chip, struct twl_pwm_chip, + chip); + int ret; + u8 val; + + mutex_lock(&twl->mutex); + val = twl->twl6030_toggle3; + val |= TWL6030_PWM_TOGGLE(pwm->hwpwm, TWL6030_PWMXR); + val &= ~TWL6030_PWM_TOGGLE(pwm->hwpwm, TWL6030_PWMXS | TWL6030_PWMXEN); + + ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, TWL6030_TOGGLE3_REG); + if (ret < 0) { + dev_err(chip->dev, "%s: Failed to read TOGGLE3\n", pwm->label); + goto out; + } + + val |= TWL6030_PWM_TOGGLE(pwm->hwpwm, TWL6030_PWMXS | TWL6030_PWMXEN); + + ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, TWL6030_TOGGLE3_REG); + if (ret < 0) { + dev_err(chip->dev, "%s: Failed to disable PWM\n", pwm->label); + goto out; + } + + twl->twl6030_toggle3 = val; +out: + mutex_unlock(&twl->mutex); +} + +static const struct pwm_ops twl4030_pwm_ops = { + .config = twl_pwm_config, + .enable = twl4030_pwm_enable, + .disable = twl4030_pwm_disable, + .request = twl4030_pwm_request, + .free = twl4030_pwm_free, +}; + +static const struct pwm_ops twl6030_pwm_ops = { + .config = twl_pwm_config, + .enable = twl6030_pwm_enable, + .disable = twl6030_pwm_disable, +}; + +static int twl_pwm_probe(struct platform_device *pdev) +{ + struct twl_pwm_chip *twl; + int ret; + + twl = devm_kzalloc(&pdev->dev, sizeof(*twl), GFP_KERNEL); + if (!twl) + return -ENOMEM; + + if (twl_class_is_4030()) + twl->chip.ops = &twl4030_pwm_ops; + else + twl->chip.ops = &twl6030_pwm_ops; + + twl->chip.dev = &pdev->dev; + twl->chip.base = -1; + twl->chip.npwm = 2; + + mutex_init(&twl->mutex); + + ret = pwmchip_add(&twl->chip); + if (ret < 0) + return ret; + + platform_set_drvdata(pdev, twl); + + return 0; +} + +static int twl_pwm_remove(struct platform_device *pdev) +{ + struct twl_pwm_chip *twl = platform_get_drvdata(pdev); + + return pwmchip_remove(&twl->chip); +} + +#ifdef CONFIG_OF +static struct of_device_id twl_pwm_of_match[] = { + { .compatible = "ti,twl4030-pwm" }, + { .compatible = "ti,twl6030-pwm" }, + { }, +}; +MODULE_DEVICE_TABLE(of, twl_pwm_of_match); +#endif + +static struct platform_driver twl_pwm_driver = { + .driver = { + .name = "twl-pwm", + .of_match_table = of_match_ptr(twl_pwm_of_match), + }, + .probe = twl_pwm_probe, + .remove = twl_pwm_remove, +}; +module_platform_driver(twl_pwm_driver); + +MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>"); +MODULE_DESCRIPTION("PWM driver for TWL4030 and TWL6030"); +MODULE_ALIAS("platform:twl-pwm"); +MODULE_LICENSE("GPL"); diff --git a/drivers/pwm/pwm-twl6030.c b/drivers/pwm/pwm-twl6030.c deleted file mode 100644 index 378a7e286366..000000000000 --- a/drivers/pwm/pwm-twl6030.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - * twl6030_pwm.c - * Driver for PHOENIX (TWL6030) Pulse Width Modulator - * - * Copyright (C) 2010 Texas Instruments - * Author: Hemanth V <hemanthv@ti.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. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/pwm.h> -#include <linux/i2c/twl.h> -#include <linux/slab.h> - -#define LED_PWM_CTRL1 0xF4 -#define LED_PWM_CTRL2 0xF5 - -/* Max value for CTRL1 register */ -#define PWM_CTRL1_MAX 255 - -/* Pull down disable */ -#define PWM_CTRL2_DIS_PD (1 << 6) - -/* Current control 2.5 milli Amps */ -#define PWM_CTRL2_CURR_02 (2 << 4) - -/* LED supply source */ -#define PWM_CTRL2_SRC_VAC (1 << 2) - -/* LED modes */ -#define PWM_CTRL2_MODE_HW (0 << 0) -#define PWM_CTRL2_MODE_SW (1 << 0) -#define PWM_CTRL2_MODE_DIS (2 << 0) - -#define PWM_CTRL2_MODE_MASK 0x3 - -struct twl6030_pwm_chip { - struct pwm_chip chip; -}; - -static int twl6030_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) -{ - int ret; - u8 val; - - /* Configure PWM */ - val = PWM_CTRL2_DIS_PD | PWM_CTRL2_CURR_02 | PWM_CTRL2_SRC_VAC | - PWM_CTRL2_MODE_HW; - - ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, LED_PWM_CTRL2); - if (ret < 0) { - dev_err(chip->dev, "%s: Failed to configure PWM, Error %d\n", - pwm->label, ret); - return ret; - } - - return 0; -} - -static int twl6030_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, - int duty_ns, int period_ns) -{ - u8 duty_cycle = (duty_ns * PWM_CTRL1_MAX) / period_ns; - int ret; - - ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, duty_cycle, LED_PWM_CTRL1); - if (ret < 0) { - pr_err("%s: Failed to configure PWM, Error %d\n", - pwm->label, ret); - return ret; - } - - return 0; -} - -static int twl6030_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) -{ - int ret; - u8 val; - - ret = twl_i2c_read_u8(TWL6030_MODULE_ID1, &val, LED_PWM_CTRL2); - if (ret < 0) { - dev_err(chip->dev, "%s: Failed to enable PWM, Error %d\n", - pwm->label, ret); - return ret; - } - - /* Change mode to software control */ - val &= ~PWM_CTRL2_MODE_MASK; - val |= PWM_CTRL2_MODE_SW; - - ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, LED_PWM_CTRL2); - if (ret < 0) { - dev_err(chip->dev, "%s: Failed to enable PWM, Error %d\n", - pwm->label, ret); - return ret; - } - - twl_i2c_read_u8(TWL6030_MODULE_ID1, &val, LED_PWM_CTRL2); - return 0; -} - -static void twl6030_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) -{ - int ret; - u8 val; - - ret = twl_i2c_read_u8(TWL6030_MODULE_ID1, &val, LED_PWM_CTRL2); - if (ret < 0) { - dev_err(chip->dev, "%s: Failed to disable PWM, Error %d\n", - pwm->label, ret); - return; - } - - val &= ~PWM_CTRL2_MODE_MASK; - val |= PWM_CTRL2_MODE_HW; - - ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, LED_PWM_CTRL2); - if (ret < 0) { - dev_err(chip->dev, "%s: Failed to disable PWM, Error %d\n", - pwm->label, ret); - } -} - -static const struct pwm_ops twl6030_pwm_ops = { - .request = twl6030_pwm_request, - .config = twl6030_pwm_config, - .enable = twl6030_pwm_enable, - .disable = twl6030_pwm_disable, -}; - -static int twl6030_pwm_probe(struct platform_device *pdev) -{ - struct twl6030_pwm_chip *twl6030; - int ret; - - twl6030 = devm_kzalloc(&pdev->dev, sizeof(*twl6030), GFP_KERNEL); - if (!twl6030) - return -ENOMEM; - - twl6030->chip.dev = &pdev->dev; - twl6030->chip.ops = &twl6030_pwm_ops; - twl6030->chip.base = -1; - twl6030->chip.npwm = 1; - - ret = pwmchip_add(&twl6030->chip); - if (ret < 0) - return ret; - - platform_set_drvdata(pdev, twl6030); - - return 0; -} - -static int twl6030_pwm_remove(struct platform_device *pdev) -{ - struct twl6030_pwm_chip *twl6030 = platform_get_drvdata(pdev); - - return pwmchip_remove(&twl6030->chip); -} - -static struct platform_driver twl6030_pwm_driver = { - .driver = { - .name = "twl6030-pwm", - }, - .probe = twl6030_pwm_probe, - .remove = twl6030_pwm_remove, -}; -module_platform_driver(twl6030_pwm_driver); - -MODULE_ALIAS("platform:twl6030-pwm"); -MODULE_LICENSE("GPL"); diff --git a/drivers/pwm/pwm-vt8500.c b/drivers/pwm/pwm-vt8500.c index ad14389b7144..b0ba2d403439 100644 --- a/drivers/pwm/pwm-vt8500.c +++ b/drivers/pwm/pwm-vt8500.c @@ -1,7 +1,8 @@ /* * drivers/pwm/pwm-vt8500.c * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> + * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz> + * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -21,14 +22,24 @@ #include <linux/io.h> #include <linux/pwm.h> #include <linux/delay.h> +#include <linux/clk.h> #include <asm/div64.h> -#define VT8500_NR_PWMS 4 +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/of_address.h> + +/* + * SoC architecture allocates register space for 4 PWMs but only + * 2 are currently implemented. + */ +#define VT8500_NR_PWMS 2 struct vt8500_chip { struct pwm_chip chip; void __iomem *base; + struct clk *clk; }; #define to_vt8500_chip(chip) container_of(chip, struct vt8500_chip, chip) @@ -51,8 +62,15 @@ static int vt8500_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, struct vt8500_chip *vt8500 = to_vt8500_chip(chip); unsigned long long c; unsigned long period_cycles, prescale, pv, dc; + int err; - c = 25000000/2; /* wild guess --- need to implement clocks */ + err = clk_enable(vt8500->clk); + if (err < 0) { + dev_err(chip->dev, "failed to enable clock\n"); + return err; + } + + c = clk_get_rate(vt8500->clk); c = c * period_ns; do_div(c, 1000000000); period_cycles = c; @@ -64,8 +82,10 @@ static int vt8500_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, if (pv > 4095) pv = 4095; - if (prescale > 1023) + if (prescale > 1023) { + clk_disable(vt8500->clk); return -EINVAL; + } c = (unsigned long long)pv * duty_ns; do_div(c, period_ns); @@ -80,13 +100,21 @@ static int vt8500_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, pwm_busy_wait(vt8500->base + 0x40 + pwm->hwpwm, (1 << 3)); writel(dc, vt8500->base + 0xc + (pwm->hwpwm << 4)); + clk_disable(vt8500->clk); return 0; } static int vt8500_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) { + int err; struct vt8500_chip *vt8500 = to_vt8500_chip(chip); + err = clk_enable(vt8500->clk); + if (err < 0) { + dev_err(chip->dev, "failed to enable clock\n"); + return err; + } + pwm_busy_wait(vt8500->base + 0x40 + pwm->hwpwm, (1 << 0)); writel(5, vt8500->base + (pwm->hwpwm << 4)); return 0; @@ -98,6 +126,8 @@ static void vt8500_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) pwm_busy_wait(vt8500->base + 0x40 + pwm->hwpwm, (1 << 0)); writel(0, vt8500->base + (pwm->hwpwm << 4)); + + clk_disable(vt8500->clk); } static struct pwm_ops vt8500_pwm_ops = { @@ -107,12 +137,24 @@ static struct pwm_ops vt8500_pwm_ops = { .owner = THIS_MODULE, }; -static int __devinit pwm_probe(struct platform_device *pdev) +static const struct of_device_id vt8500_pwm_dt_ids[] = { + { .compatible = "via,vt8500-pwm", }, + { /* Sentinel */ } +}; +MODULE_DEVICE_TABLE(of, vt8500_pwm_dt_ids); + +static int vt8500_pwm_probe(struct platform_device *pdev) { struct vt8500_chip *chip; struct resource *r; + struct device_node *np = pdev->dev.of_node; int ret; + if (!np) { + dev_err(&pdev->dev, "invalid devicetree node\n"); + return -EINVAL; + } + chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL); if (chip == NULL) { dev_err(&pdev->dev, "failed to allocate memory\n"); @@ -124,6 +166,12 @@ static int __devinit pwm_probe(struct platform_device *pdev) chip->chip.base = -1; chip->chip.npwm = VT8500_NR_PWMS; + chip->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(chip->clk)) { + dev_err(&pdev->dev, "clock source not specified\n"); + return PTR_ERR(chip->clk); + } + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (r == NULL) { dev_err(&pdev->dev, "no memory resource defined\n"); @@ -131,18 +179,26 @@ static int __devinit pwm_probe(struct platform_device *pdev) } chip->base = devm_request_and_ioremap(&pdev->dev, r); - if (chip->base == NULL) + if (!chip->base) return -EADDRNOTAVAIL; + ret = clk_prepare(chip->clk); + if (ret < 0) { + dev_err(&pdev->dev, "failed to prepare clock\n"); + return ret; + } + ret = pwmchip_add(&chip->chip); - if (ret < 0) + if (ret < 0) { + dev_err(&pdev->dev, "failed to add PWM chip\n"); return ret; + } platform_set_drvdata(pdev, chip); return ret; } -static int __devexit pwm_remove(struct platform_device *pdev) +static int vt8500_pwm_remove(struct platform_device *pdev) { struct vt8500_chip *chip; @@ -150,28 +206,22 @@ static int __devexit pwm_remove(struct platform_device *pdev) if (chip == NULL) return -ENODEV; + clk_unprepare(chip->clk); + return pwmchip_remove(&chip->chip); } -static struct platform_driver pwm_driver = { +static struct platform_driver vt8500_pwm_driver = { + .probe = vt8500_pwm_probe, + .remove = vt8500_pwm_remove, .driver = { .name = "vt8500-pwm", .owner = THIS_MODULE, + .of_match_table = vt8500_pwm_dt_ids, }, - .probe = pwm_probe, - .remove = __devexit_p(pwm_remove), }; +module_platform_driver(vt8500_pwm_driver); -static int __init pwm_init(void) -{ - return platform_driver_register(&pwm_driver); -} -arch_initcall(pwm_init); - -static void __exit pwm_exit(void) -{ - platform_driver_unregister(&pwm_driver); -} -module_exit(pwm_exit); - -MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("VT8500 PWM Driver"); +MODULE_AUTHOR("Tony Prisk <linux@prisktech.co.nz>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index 75c0c4f5fdf2..ab34497bcfee 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -20,6 +20,7 @@ #include <linux/spi/spi.h> #include <linux/slab.h> #include <linux/platform_data/atmel.h> +#include <linux/of.h> #include <asm/io.h> #include <asm/gpio.h> @@ -768,6 +769,10 @@ static int atmel_spi_setup(struct spi_device *spi) /* chipselect must have been muxed as GPIO (e.g. in board setup) */ npcs_pin = (unsigned int)spi->controller_data; + + if (gpio_is_valid(spi->cs_gpio)) + npcs_pin = spi->cs_gpio; + asd = spi->controller_state; if (!asd) { asd = kzalloc(sizeof(struct atmel_spi_device), GFP_KERNEL); @@ -937,8 +942,9 @@ static int atmel_spi_probe(struct platform_device *pdev) /* the spi->mode bits understood by this driver: */ master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; + master->dev.of_node = pdev->dev.of_node; master->bus_num = pdev->id; - master->num_chipselect = 4; + master->num_chipselect = master->dev.of_node ? 0 : 4; master->setup = atmel_spi_setup; master->transfer = atmel_spi_transfer; master->cleanup = atmel_spi_cleanup; @@ -1064,11 +1070,20 @@ static int atmel_spi_resume(struct platform_device *pdev) #define atmel_spi_resume NULL #endif +#if defined(CONFIG_OF) +static const struct of_device_id atmel_spi_dt_ids[] = { + { .compatible = "atmel,at91rm9200-spi" }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(of, atmel_spi_dt_ids); +#endif static struct platform_driver atmel_spi_driver = { .driver = { .name = "atmel_spi", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(atmel_spi_dt_ids), }, .suspend = atmel_spi_suspend, .resume = atmel_spi_resume, diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 4dd7b7ce5c5a..ad93231a8038 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -215,6 +215,10 @@ static void flush_fifo(struct s3c64xx_spi_driver_data *sdd) writel(0, regs + S3C64XX_SPI_PACKET_CNT); val = readl(regs + S3C64XX_SPI_CH_CFG); + val &= ~(S3C64XX_SPI_CH_RXCH_ON | S3C64XX_SPI_CH_TXCH_ON); + writel(val, regs + S3C64XX_SPI_CH_CFG); + + val = readl(regs + S3C64XX_SPI_CH_CFG); val |= S3C64XX_SPI_CH_SW_RST; val &= ~S3C64XX_SPI_CH_HS_EN; writel(val, regs + S3C64XX_SPI_CH_CFG); @@ -248,10 +252,6 @@ static void flush_fifo(struct s3c64xx_spi_driver_data *sdd) val = readl(regs + S3C64XX_SPI_MODE_CFG); val &= ~(S3C64XX_SPI_MODE_TXDMA_ON | S3C64XX_SPI_MODE_RXDMA_ON); writel(val, regs + S3C64XX_SPI_MODE_CFG); - - val = readl(regs + S3C64XX_SPI_CH_CFG); - val &= ~(S3C64XX_SPI_CH_RXCH_ON | S3C64XX_SPI_CH_TXCH_ON); - writel(val, regs + S3C64XX_SPI_CH_CFG); } static void s3c64xx_spi_dmacb(void *data) @@ -771,8 +771,6 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master, if (list_is_last(&xfer->transfer_list, &msg->transfers)) cs_toggle = 1; - else - disable_cs(sdd, spi); } msg->actual_length += xfer->len; diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c index 32f7b55fce09..60cfae51c713 100644 --- a/drivers/spi/spi-sh-hspi.c +++ b/drivers/spi/spi-sh-hspi.c @@ -290,7 +290,7 @@ static int hspi_probe(struct platform_device *pdev) } clk = clk_get(NULL, "shyway_clk"); - if (!clk) { + if (IS_ERR(clk)) { dev_err(&pdev->dev, "shyway_clk is required\n"); ret = -EINVAL; goto error0; diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index ab095acdb2a8..19ee901577da 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -824,6 +824,7 @@ static void of_register_spi_devices(struct spi_master *master) struct spi_device *spi; struct device_node *nc; const __be32 *prop; + char modalias[SPI_NAME_SIZE + 4]; int rc; int len; @@ -887,7 +888,9 @@ static void of_register_spi_devices(struct spi_master *master) spi->dev.of_node = nc; /* Register the new device */ - request_module(spi->modalias); + snprintf(modalias, sizeof(modalias), "%s%s", SPI_MODULE_PREFIX, + spi->modalias); + request_module(modalias); rc = spi_add_device(spi); if (rc) { dev_err(&master->dev, "spi_device register error %s\n", diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 23f797eb7a28..57d6b29c039c 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -41,8 +41,7 @@ #include <linux/of.h> #include <linux/gpio.h> #include <linux/pinctrl/consumer.h> - -#include <plat/omap-serial.h> +#include <linux/platform_data/serial-omap.h> #define OMAP_MAX_HSUART_PORTS 6 diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c index 0c96eb52c797..03310721712f 100644 --- a/fs/jffs2/nodemgmt.c +++ b/fs/jffs2/nodemgmt.c @@ -417,14 +417,16 @@ static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, spin_unlock(&c->erase_completion_lock); ret = jffs2_prealloc_raw_node_refs(c, jeb, 1); - if (ret) - return ret; + /* Just lock it again and continue. Nothing much can change because we hold c->alloc_sem anyway. In fact, it's not entirely clear why we hold c->erase_completion_lock in the majority of this function... but that's a question for another (more caffeine-rich) day. */ spin_lock(&c->erase_completion_lock); + if (ret) + return ret; + waste = jeb->free_size; jffs2_link_node_ref(c, jeb, (jeb->offset + c->sector_size - waste) | REF_OBSOLETE, diff --git a/include/linux/asn1.h b/include/linux/asn1.h index 5c3f4e4b9a23..eed6982860ba 100644 --- a/include/linux/asn1.h +++ b/include/linux/asn1.h @@ -64,4 +64,6 @@ enum asn1_tag { ASN1_LONG_TAG = 31 /* Long form tag */ }; +#define ASN1_INDEFINITE_LENGTH 0x80 + #endif /* _LINUX_ASN1_H */ diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h index 93b1e091b1e9..e0ce311011c0 100644 --- a/include/linux/bcma/bcma.h +++ b/include/linux/bcma/bcma.h @@ -350,6 +350,7 @@ extern void bcma_core_set_clockmode(struct bcma_device *core, enum bcma_clkmode clkmode); extern void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status, bool on); +extern u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset); #define BCMA_DMA_TRANSLATION_MASK 0xC0000000 #define BCMA_DMA_TRANSLATION_NONE 0x00000000 #define BCMA_DMA_TRANSLATION_DMA32_CMT 0x40000000 /* Client Mode Translation for 32-bit DMA */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index acb4f7bbbd32..f94bc83011ed 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1188,14 +1188,25 @@ static inline int queue_discard_alignment(struct request_queue *q) static inline int queue_limit_discard_alignment(struct queue_limits *lim, sector_t sector) { - sector_t alignment = sector << 9; - alignment = sector_div(alignment, lim->discard_granularity); + unsigned int alignment, granularity, offset; if (!lim->max_discard_sectors) return 0; - alignment = lim->discard_granularity + lim->discard_alignment - alignment; - return sector_div(alignment, lim->discard_granularity); + /* Why are these in bytes, not sectors? */ + alignment = lim->discard_alignment >> 9; + granularity = lim->discard_granularity >> 9; + if (!granularity) + return 0; + + /* Offset of the partition start in 'granularity' sectors */ + offset = sector_div(sector, granularity); + + /* And why do we do this modulus *again* in blkdev_issue_discard()? */ + offset = (granularity + alignment - offset) % granularity; + + /* Turn it back into bytes, gaah */ + return offset << 9; } static inline int bdev_discard_alignment(struct block_device *bdev) diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index 412bc6c2b023..662fd1b4c42a 100644 --- a/include/linux/compiler-gcc4.h +++ b/include/linux/compiler-gcc4.h @@ -31,6 +31,8 @@ #define __linktime_error(message) __attribute__((__error__(message))) +#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) + #if __GNUC_MINOR__ >= 5 /* * Mark a position in code as unreachable. This can be used to @@ -63,3 +65,13 @@ #define __compiletime_warning(message) __attribute__((warning(message))) #define __compiletime_error(message) __attribute__((error(message))) #endif + +#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP +#if __GNUC_MINOR__ >= 4 +#define __HAVE_BUILTIN_BSWAP32__ +#define __HAVE_BUILTIN_BSWAP64__ +#endif +#if __GNUC_MINOR__ >= 8 || (defined(__powerpc__) && __GNUC_MINOR__ >= 6) +#define __HAVE_BUILTIN_BSWAP16__ +#endif +#endif diff --git a/include/linux/compiler-intel.h b/include/linux/compiler-intel.h index d8e636e5607d..973ce10c40b6 100644 --- a/include/linux/compiler-intel.h +++ b/include/linux/compiler-intel.h @@ -29,3 +29,10 @@ #endif #define uninitialized_var(x) x + +#ifndef __HAVE_BUILTIN_BSWAP16__ +/* icc has this, but it's called _bswap16 */ +#define __HAVE_BUILTIN_BSWAP16__ +#define __builtin_bswap16 _bswap16 +#endif + diff --git a/include/linux/compiler.h b/include/linux/compiler.h index b121554f1fe2..dd852b73b286 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -44,6 +44,10 @@ extern void __chk_io_ptr(const volatile void __iomem *); # define __rcu #endif +/* Indirect macros required for expanded argument pasting, eg. __LINE__. */ +#define ___PASTE(a,b) a##b +#define __PASTE(a,b) ___PASTE(a,b) + #ifdef __KERNEL__ #ifdef __GNUC__ @@ -166,6 +170,11 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); (typeof(ptr)) (__ptr + (off)); }) #endif +/* Not-quite-unique ID. */ +#ifndef __UNIQUE_ID +# define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __LINE__) +#endif + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index eb48f3816df9..bd2e52ccc4f2 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -156,7 +156,6 @@ static inline void get_dma_buf(struct dma_buf *dmabuf) get_file(dmabuf->file); } -#ifdef CONFIG_DMA_SHARED_BUFFER struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf, struct device *dev); void dma_buf_detach(struct dma_buf *dmabuf, @@ -184,103 +183,5 @@ int dma_buf_mmap(struct dma_buf *, struct vm_area_struct *, unsigned long); void *dma_buf_vmap(struct dma_buf *); void dma_buf_vunmap(struct dma_buf *, void *vaddr); -#else - -static inline struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf, - struct device *dev) -{ - return ERR_PTR(-ENODEV); -} - -static inline void dma_buf_detach(struct dma_buf *dmabuf, - struct dma_buf_attachment *dmabuf_attach) -{ - return; -} - -static inline struct dma_buf *dma_buf_export(void *priv, - const struct dma_buf_ops *ops, - size_t size, int flags) -{ - return ERR_PTR(-ENODEV); -} - -static inline int dma_buf_fd(struct dma_buf *dmabuf, int flags) -{ - return -ENODEV; -} - -static inline struct dma_buf *dma_buf_get(int fd) -{ - return ERR_PTR(-ENODEV); -} - -static inline void dma_buf_put(struct dma_buf *dmabuf) -{ - return; -} - -static inline struct sg_table *dma_buf_map_attachment( - struct dma_buf_attachment *attach, enum dma_data_direction write) -{ - return ERR_PTR(-ENODEV); -} - -static inline void dma_buf_unmap_attachment(struct dma_buf_attachment *attach, - struct sg_table *sg, enum dma_data_direction dir) -{ - return; -} - -static inline int dma_buf_begin_cpu_access(struct dma_buf *dmabuf, - size_t start, size_t len, - enum dma_data_direction dir) -{ - return -ENODEV; -} - -static inline void dma_buf_end_cpu_access(struct dma_buf *dmabuf, - size_t start, size_t len, - enum dma_data_direction dir) -{ -} - -static inline void *dma_buf_kmap_atomic(struct dma_buf *dmabuf, - unsigned long pnum) -{ - return NULL; -} - -static inline void dma_buf_kunmap_atomic(struct dma_buf *dmabuf, - unsigned long pnum, void *vaddr) -{ -} - -static inline void *dma_buf_kmap(struct dma_buf *dmabuf, unsigned long pnum) -{ - return NULL; -} - -static inline void dma_buf_kunmap(struct dma_buf *dmabuf, - unsigned long pnum, void *vaddr) -{ -} - -static inline int dma_buf_mmap(struct dma_buf *dmabuf, - struct vm_area_struct *vma, - unsigned long pgoff) -{ - return -ENODEV; -} - -static inline void *dma_buf_vmap(struct dma_buf *dmabuf) -{ - return NULL; -} - -static inline void dma_buf_vunmap(struct dma_buf *dmabuf, void *vaddr) -{ -} -#endif /* CONFIG_DMA_SHARED_BUFFER */ #endif /* __DMA_BUF_H__ */ diff --git a/include/linux/ima.h b/include/linux/ima.h index 2c7223d7e73b..86c361e947b9 100644 --- a/include/linux/ima.h +++ b/include/linux/ima.h @@ -18,6 +18,7 @@ extern int ima_bprm_check(struct linux_binprm *bprm); extern int ima_file_check(struct file *file, int mask); extern void ima_file_free(struct file *file); extern int ima_file_mmap(struct file *file, unsigned long prot); +extern int ima_module_check(struct file *file); #else static inline int ima_bprm_check(struct linux_binprm *bprm) @@ -40,6 +41,11 @@ static inline int ima_file_mmap(struct file *file, unsigned long prot) return 0; } +static inline int ima_module_check(struct file *file) +{ + return 0; +} + #endif /* CONFIG_IMA_H */ #ifdef CONFIG_IMA_APPRAISE diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index d6a58065c09c..137b4198fc03 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -16,17 +16,15 @@ /* Chosen so that structs with an unsigned long line up. */ #define MAX_PARAM_PREFIX_LEN (64 - sizeof(unsigned long)) -#define ___module_cat(a,b) __mod_ ## a ## b -#define __module_cat(a,b) ___module_cat(a,b) #ifdef MODULE #define __MODULE_INFO(tag, name, info) \ -static const char __module_cat(name,__LINE__)[] \ +static const char __UNIQUE_ID(name)[] \ __used __attribute__((section(".modinfo"), unused, aligned(1))) \ = __stringify(tag) "=" info #else /* !MODULE */ /* This struct is here for syntactic coherency, it is not used */ #define __MODULE_INFO(tag, name, info) \ - struct __module_cat(name,__LINE__) {} + struct __UNIQUE_ID(name) {} #endif #define __MODULE_PARM_TYPE(name, _type) \ __MODULE_INFO(parmtype, name##type, #name ":" _type) diff --git a/include/linux/mtd/blktrans.h b/include/linux/mtd/blktrans.h index ed270bd2e4df..4eb0a50d0c55 100644 --- a/include/linux/mtd/blktrans.h +++ b/include/linux/mtd/blktrans.h @@ -23,6 +23,7 @@ #include <linux/mutex.h> #include <linux/kref.h> #include <linux/sysfs.h> +#include <linux/workqueue.h> struct hd_geometry; struct mtd_info; @@ -43,7 +44,8 @@ struct mtd_blktrans_dev { struct kref ref; struct gendisk *disk; struct attribute_group *disk_attributes; - struct task_struct *thread; + struct workqueue_struct *wq; + struct work_struct work; struct request_queue *rq; spinlock_t queue_lock; void *priv; diff --git a/include/linux/mtd/doc2000.h b/include/linux/mtd/doc2000.h index 0f6fea73a1f6..407d1e556c39 100644 --- a/include/linux/mtd/doc2000.h +++ b/include/linux/mtd/doc2000.h @@ -92,12 +92,26 @@ * Others use readb/writeb */ #if defined(__arm__) -#define ReadDOC_(adr, reg) ((unsigned char)(*(volatile __u32 *)(((unsigned long)adr)+((reg)<<2)))) -#define WriteDOC_(d, adr, reg) do{ *(volatile __u32 *)(((unsigned long)adr)+((reg)<<2)) = (__u32)d; wmb();} while(0) +static inline u8 ReadDOC_(u32 __iomem *addr, unsigned long reg) +{ + return __raw_readl(addr + reg); +} +static inline void WriteDOC_(u8 data, u32 __iomem *addr, unsigned long reg) +{ + __raw_writel(data, addr + reg); + wmb(); +} #define DOC_IOREMAP_LEN 0x8000 #elif defined(__ppc__) -#define ReadDOC_(adr, reg) ((unsigned char)(*(volatile __u16 *)(((unsigned long)adr)+((reg)<<1)))) -#define WriteDOC_(d, adr, reg) do{ *(volatile __u16 *)(((unsigned long)adr)+((reg)<<1)) = (__u16)d; wmb();} while(0) +static inline u8 ReadDOC_(u16 __iomem *addr, unsigned long reg) +{ + return __raw_readw(addr + reg); +} +static inline void WriteDOC_(u8 data, u16 __iomem *addr, unsigned long reg) +{ + __raw_writew(data, addr + reg); + wmb(); +} #define DOC_IOREMAP_LEN 0x4000 #else #define ReadDOC_(adr, reg) readb((void __iomem *)(adr) + (reg)) diff --git a/include/linux/mtd/fsmc.h b/include/linux/mtd/fsmc.h index b20029221fb1..d6ed61ef451d 100644 --- a/include/linux/mtd/fsmc.h +++ b/include/linux/mtd/fsmc.h @@ -155,9 +155,6 @@ struct fsmc_nand_platform_data { unsigned int width; unsigned int bank; - /* CLE, ALE offsets */ - unsigned int cle_off; - unsigned int ale_off; enum access_mode mode; void (*select_bank)(uint32_t bank, uint32_t busw); diff --git a/include/linux/mtd/gpmi-nand.h b/include/linux/mtd/gpmi-nand.h deleted file mode 100644 index ed3c4e09f3d1..000000000000 --- a/include/linux/mtd/gpmi-nand.h +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - * - * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifndef __MACH_MXS_GPMI_NAND_H__ -#define __MACH_MXS_GPMI_NAND_H__ - -/* The size of the resources is fixed. */ -#define GPMI_NAND_RES_SIZE 6 - -/* Resource names for the GPMI NAND driver. */ -#define GPMI_NAND_GPMI_REGS_ADDR_RES_NAME "gpmi-nand" -#define GPMI_NAND_GPMI_INTERRUPT_RES_NAME "GPMI NAND GPMI Interrupt" -#define GPMI_NAND_BCH_REGS_ADDR_RES_NAME "bch" -#define GPMI_NAND_BCH_INTERRUPT_RES_NAME "bch" -#define GPMI_NAND_DMA_CHANNELS_RES_NAME "GPMI NAND DMA Channels" -#define GPMI_NAND_DMA_INTERRUPT_RES_NAME "gpmi-dma" - -/** - * struct gpmi_nand_platform_data - GPMI NAND driver platform data. - * - * This structure communicates platform-specific information to the GPMI NAND - * driver that can't be expressed as resources. - * - * @platform_init: A pointer to a function the driver will call to - * initialize the platform (e.g., set up the pin mux). - * @min_prop_delay_in_ns: Minimum propagation delay of GPMI signals to and - * from the NAND Flash device, in nanoseconds. - * @max_prop_delay_in_ns: Maximum propagation delay of GPMI signals to and - * from the NAND Flash device, in nanoseconds. - * @max_chip_count: The maximum number of chips for which the driver - * should configure the hardware. This value most - * likely reflects the number of pins that are - * connected to a NAND Flash device. If this is - * greater than the SoC hardware can support, the - * driver will print a message and fail to initialize. - * @partitions: An optional pointer to an array of partition - * descriptions. - * @partition_count: The number of elements in the partitions array. - */ -struct gpmi_nand_platform_data { - /* SoC hardware information. */ - int (*platform_init)(void); - - /* NAND Flash information. */ - unsigned int min_prop_delay_in_ns; - unsigned int max_prop_delay_in_ns; - unsigned int max_chip_count; - - /* Medium information. */ - struct mtd_partition *partitions; - unsigned partition_count; -}; -#endif diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h index 3595a0236b0f..f6eb4332ac92 100644 --- a/include/linux/mtd/map.h +++ b/include/linux/mtd/map.h @@ -328,7 +328,7 @@ static inline int map_word_bitsset(struct map_info *map, map_word val1, map_word static inline map_word map_word_load(struct map_info *map, const void *ptr) { - map_word r; + map_word r = {{0} }; if (map_bankwidth_is_1(map)) r.x[0] = *(unsigned char *)ptr; @@ -391,7 +391,7 @@ static inline map_word map_word_ff(struct map_info *map) static inline map_word inline_map_read(struct map_info *map, unsigned long ofs) { - map_word r; + map_word uninitialized_var(r); if (map_bankwidth_is_1(map)) r.x[0] = __raw_readb(map->virt + ofs); diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 81d61e704599..f9ac2897b86b 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -98,7 +98,7 @@ struct mtd_oob_ops { }; #define MTD_MAX_OOBFREE_ENTRIES_LARGE 32 -#define MTD_MAX_ECCPOS_ENTRIES_LARGE 448 +#define MTD_MAX_ECCPOS_ENTRIES_LARGE 640 /* * Internal ECC layout control structure. For historical reasons, there is a * similar, smaller struct nand_ecclayout_user (in mtd-abi.h) that is retained diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 24e915957e4f..7ccb3c59ed60 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -219,6 +219,13 @@ typedef enum { #define NAND_OWN_BUFFERS 0x00020000 /* Chip may not exist, so silence any errors in scan */ #define NAND_SCAN_SILENT_NODEV 0x00040000 +/* + * 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 /* Options set by nand scan */ /* Nand scan has allocated controller struct */ @@ -471,8 +478,8 @@ struct nand_buffers { * non 0 if ONFI supported. * @onfi_params: [INTERN] holds the ONFI page parameter when ONFI is * supported, 0 otherwise. - * @onfi_set_features [REPLACEABLE] set the features for ONFI nand - * @onfi_get_features [REPLACEABLE] get the features for ONFI nand + * @onfi_set_features: [REPLACEABLE] set the features for ONFI nand + * @onfi_get_features: [REPLACEABLE] get the features for ONFI nand * @ecclayout: [REPLACEABLE] the default ECC placement scheme * @bbt: [INTERN] bad block table pointer * @bbt_td: [REPLACEABLE] bad block table descriptor for flash diff --git a/include/linux/mtd/sh_flctl.h b/include/linux/mtd/sh_flctl.h index 01e4b15b280e..1c28f8879b1c 100644 --- a/include/linux/mtd/sh_flctl.h +++ b/include/linux/mtd/sh_flctl.h @@ -20,6 +20,7 @@ #ifndef __SH_FLCTL_H__ #define __SH_FLCTL_H__ +#include <linux/completion.h> #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> @@ -107,6 +108,7 @@ #define ESTERINTE (0x1 << 24) /* ECC error interrupt enable */ #define AC1CLR (0x1 << 19) /* ECC FIFO clear */ #define AC0CLR (0x1 << 18) /* Data FIFO clear */ +#define DREQ0EN (0x1 << 16) /* FLDTFIFODMA Request Enable */ #define ECERB (0x1 << 9) /* ECC error */ #define STERB (0x1 << 8) /* Status error */ #define STERINTE (0x1 << 4) /* Status error enable */ @@ -138,6 +140,8 @@ enum flctl_ecc_res_t { FL_TIMEOUT }; +struct dma_chan; + struct sh_flctl { struct mtd_info mtd; struct nand_chip chip; @@ -147,7 +151,7 @@ struct sh_flctl { uint8_t done_buff[2048 + 64]; /* max size 2048 + 64 */ int read_bytes; - int index; + unsigned int index; int seqin_column; /* column in SEQIN cmd */ int seqin_page_addr; /* page_addr in SEQIN cmd */ uint32_t seqin_read_cmd; /* read cmd in SEQIN cmd */ @@ -161,6 +165,11 @@ struct sh_flctl { unsigned hwecc:1; /* Hardware ECC (0 = disabled, 1 = enabled) */ unsigned holden:1; /* Hardware has FLHOLDCR and HOLDEN is set */ unsigned qos_request:1; /* QoS request to prevent deep power shutdown */ + + /* DMA related objects */ + struct dma_chan *chan_fifo0_rx; + struct dma_chan *chan_fifo0_tx; + struct completion dma_complete; }; struct sh_flctl_platform_data { @@ -170,6 +179,9 @@ struct sh_flctl_platform_data { unsigned has_hwecc:1; unsigned use_holden:1; + + unsigned int slave_id_fifo0_tx; + unsigned int slave_id_fifo0_rx; }; static inline struct sh_flctl *mtd_to_flctl(struct mtd_info *mtdinfo) diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h index b47d2040c9f2..3863a4dbdf18 100644 --- a/include/linux/of_platform.h +++ b/include/linux/of_platform.h @@ -100,6 +100,7 @@ extern int of_platform_populate(struct device_node *root, #if !defined(CONFIG_OF_ADDRESS) struct of_dev_auxdata; +struct device; static inline int of_platform_populate(struct device_node *root, const struct of_device_id *matches, const struct of_dev_auxdata *lookup, diff --git a/include/linux/platform_data/mtd-nomadik-nand.h b/include/linux/platform_data/mtd-nomadik-nand.h deleted file mode 100644 index c3c8254c22a5..000000000000 --- a/include/linux/platform_data/mtd-nomadik-nand.h +++ /dev/null @@ -1,16 +0,0 @@ -#ifndef __ASM_ARCH_NAND_H -#define __ASM_ARCH_NAND_H - -struct nomadik_nand_platform_data { - struct mtd_partition *parts; - int nparts; - int options; - int (*init) (void); - int (*exit) (void); -}; - -#define NAND_IO_DATA 0x40000000 -#define NAND_IO_CMD 0x40800000 -#define NAND_IO_ADDR 0x41000000 - -#endif /* __ASM_ARCH_NAND_H */ diff --git a/arch/arm/plat-omap/include/plat/omap-serial.h b/include/linux/platform_data/serial-omap.h index ff9b0aab5281..ff9b0aab5281 100644 --- a/arch/arm/plat-omap/include/plat/omap-serial.h +++ b/include/linux/platform_data/serial-omap.h diff --git a/include/linux/platform_data/usb-omap.h b/include/linux/platform_data/usb-omap.h index 8570bcfe6311..ef65b67c56c3 100644 --- a/include/linux/platform_data/usb-omap.h +++ b/include/linux/platform_data/usb-omap.h @@ -59,6 +59,9 @@ struct usbhs_omap_platform_data { struct ehci_hcd_omap_platform_data *ehci_data; struct ohci_hcd_omap_platform_data *ohci_data; + + /* OMAP3 <= ES2.1 have a single ulpi bypass control bit */ + unsigned single_ulpi_bypass:1; }; /*-------------------------------------------------------------------------*/ diff --git a/include/linux/pwm.h b/include/linux/pwm.h index 112b31436848..6d661f32e0e4 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -171,6 +171,9 @@ struct pwm_device *pwm_request_from_chip(struct pwm_chip *chip, unsigned int index, const char *label); +struct pwm_device *of_pwm_xlate_with_flags(struct pwm_chip *pc, + const struct of_phandle_args *args); + struct pwm_device *pwm_get(struct device *dev, const char *consumer); void pwm_put(struct pwm_device *pwm); diff --git a/include/linux/security.h b/include/linux/security.h index 05e88bdcf7d9..0f6afc657f77 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -694,6 +694,12 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) * userspace to load a kernel module with the given name. * @kmod_name name of the module requested by the kernel * Return 0 if successful. + * @kernel_module_from_file: + * Load a kernel module from userspace. + * @file contains the file structure pointing to the file containing + * the kernel module to load. If the module is being loaded from a blob, + * this argument will be NULL. + * Return 0 if permission is granted. * @task_fix_setuid: * Update the module's state after setting one or more of the user * identity attributes of the current process. The @flags parameter @@ -1508,6 +1514,7 @@ struct security_operations { int (*kernel_act_as)(struct cred *new, u32 secid); int (*kernel_create_files_as)(struct cred *new, struct inode *inode); int (*kernel_module_request)(char *kmod_name); + int (*kernel_module_from_file)(struct file *file); int (*task_fix_setuid) (struct cred *new, const struct cred *old, int flags); int (*task_setpgid) (struct task_struct *p, pid_t pgid); @@ -1765,6 +1772,7 @@ void security_transfer_creds(struct cred *new, const struct cred *old); int security_kernel_act_as(struct cred *new, u32 secid); int security_kernel_create_files_as(struct cred *new, struct inode *inode); int security_kernel_module_request(char *kmod_name); +int security_kernel_module_from_file(struct file *file); int security_task_fix_setuid(struct cred *new, const struct cred *old, int flags); int security_task_setpgid(struct task_struct *p, pid_t pgid); @@ -2278,6 +2286,11 @@ static inline int security_kernel_module_request(char *kmod_name) return 0; } +static inline int security_kernel_module_from_file(struct file *file) +{ + return 0; +} + static inline int security_task_fix_setuid(struct cred *new, const struct cred *old, int flags) diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 36c3b07c5119..6caee34bf8a2 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -880,4 +880,5 @@ asmlinkage long sys_process_vm_writev(pid_t pid, asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2); +asmlinkage long sys_finit_module(int fd, const char __user *uargs, int flags); #endif diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index 9bbeabf66c54..bd45eb7bedc8 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -69,6 +69,7 @@ struct usbnet { # define EVENT_DEV_ASLEEP 6 # define EVENT_DEV_OPEN 7 # define EVENT_DEVICE_REPORT_IDLE 8 +# define EVENT_NO_RUNTIME_PM 9 }; static inline struct usb_driver *driver_of(struct usb_interface *intf) @@ -240,4 +241,6 @@ extern void usbnet_set_msglevel(struct net_device *, u32); extern void usbnet_get_drvinfo(struct net_device *, struct ethtool_drvinfo *); extern int usbnet_nway_reset(struct net_device *net); +extern int usbnet_manage_power(struct usbnet *, int); + #endif /* __LINUX_USB_USBNET_H */ diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index ba1d3615acbb..183292722f6e 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -318,6 +318,7 @@ extern void inet_csk_reqsk_queue_prune(struct sock *parent, const unsigned long max_rto); extern void inet_csk_destroy_sock(struct sock *sk); +extern void inet_csk_prepare_forced_close(struct sock *sk); /* * LISTEN is a special case for poll.. diff --git a/include/net/ndisc.h b/include/net/ndisc.h index 7af1ea893038..23b3a7c58783 100644 --- a/include/net/ndisc.h +++ b/include/net/ndisc.h @@ -78,6 +78,13 @@ struct ra_msg { __be32 retrans_timer; }; +struct rd_msg { + struct icmp6hdr icmph; + struct in6_addr target; + struct in6_addr dest; + __u8 opt[0]; +}; + struct nd_opt_hdr { __u8 nd_opt_type; __u8 nd_opt_len; diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 6e595ba545f4..2c531f478410 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -690,9 +690,11 @@ __SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \ compat_sys_process_vm_writev) #define __NR_kcmp 272 __SYSCALL(__NR_kcmp, sys_kcmp) +#define __NR_finit_module 273 +__SYSCALL(__NR_finit_module, sys_finit_module) #undef __NR_syscalls -#define __NR_syscalls 273 +#define __NR_syscalls 274 /* * All syscalls below here should go away really, diff --git a/include/uapi/linux/if_bridge.h b/include/uapi/linux/if_bridge.h index afbb18a0227c..5db297514aec 100644 --- a/include/uapi/linux/if_bridge.h +++ b/include/uapi/linux/if_bridge.h @@ -163,6 +163,9 @@ struct br_port_msg { struct br_mdb_entry { __u32 ifindex; +#define MDB_TEMPORARY 0 +#define MDB_PERMANENT 1 + __u8 state; struct { union { __be32 ip4; diff --git a/include/uapi/linux/module.h b/include/uapi/linux/module.h new file mode 100644 index 000000000000..38da4258b12f --- /dev/null +++ b/include/uapi/linux/module.h @@ -0,0 +1,8 @@ +#ifndef _UAPI_LINUX_MODULE_H +#define _UAPI_LINUX_MODULE_H + +/* Flags for sys_finit_module: */ +#define MODULE_INIT_IGNORE_MODVERSIONS 1 +#define MODULE_INIT_IGNORE_VERMAGIC 2 + +#endif /* _UAPI_LINUX_MODULE_H */ diff --git a/include/uapi/linux/swab.h b/include/uapi/linux/swab.h index e811474724c2..0e011eb91b5d 100644 --- a/include/uapi/linux/swab.h +++ b/include/uapi/linux/swab.h @@ -45,7 +45,9 @@ static inline __attribute_const__ __u16 __fswab16(__u16 val) { -#ifdef __arch_swab16 +#ifdef __HAVE_BUILTIN_BSWAP16__ + return __builtin_bswap16(val); +#elif defined (__arch_swab16) return __arch_swab16(val); #else return ___constant_swab16(val); @@ -54,7 +56,9 @@ static inline __attribute_const__ __u16 __fswab16(__u16 val) static inline __attribute_const__ __u32 __fswab32(__u32 val) { -#ifdef __arch_swab32 +#ifdef __HAVE_BUILTIN_BSWAP32__ + return __builtin_bswap32(val); +#elif defined(__arch_swab32) return __arch_swab32(val); #else return ___constant_swab32(val); @@ -63,7 +67,9 @@ static inline __attribute_const__ __u32 __fswab32(__u32 val) static inline __attribute_const__ __u64 __fswab64(__u64 val) { -#ifdef __arch_swab64 +#ifdef __HAVE_BUILTIN_BSWAP64__ + return __builtin_bswap64(val); +#elif defined (__arch_swab64) return __arch_swab64(val); #elif defined(__SWAB_64_THRU_32__) __u32 h = val >> 32; diff --git a/include/video/omap-panel-tfp410.h b/include/video/omap-panel-tfp410.h index 68c31d79c571..aef35e48bc7e 100644 --- a/include/video/omap-panel-tfp410.h +++ b/include/video/omap-panel-tfp410.h @@ -28,7 +28,7 @@ struct omap_dss_device; * @power_down_gpio: gpio number for PD pin (or -1 if not available) */ struct tfp410_platform_data { - u16 i2c_bus_num; + int i2c_bus_num; int power_down_gpio; }; diff --git a/kernel/Makefile b/kernel/Makefile index ac0d533eb7de..6c072b6da239 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -54,7 +54,7 @@ obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o obj-$(CONFIG_PROVE_LOCKING) += spinlock.o obj-$(CONFIG_UID16) += uid16.o obj-$(CONFIG_MODULES) += module.o -obj-$(CONFIG_MODULE_SIG) += module_signing.o modsign_pubkey.o +obj-$(CONFIG_MODULE_SIG) += module_signing.o modsign_pubkey.o modsign_certificate.o obj-$(CONFIG_KALLSYMS) += kallsyms.o obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o obj-$(CONFIG_KEXEC) += kexec.o @@ -137,10 +137,14 @@ ifeq ($(CONFIG_MODULE_SIG),y) # # Pull the signing certificate and any extra certificates into the kernel # + +quiet_cmd_touch = TOUCH $@ + cmd_touch = touch $@ + extra_certificates: - touch $@ + $(call cmd,touch) -kernel/modsign_pubkey.o: signing_key.x509 extra_certificates +kernel/modsign_certificate.o: signing_key.x509 extra_certificates ############################################################################### # diff --git a/kernel/modsign_certificate.S b/kernel/modsign_certificate.S new file mode 100644 index 000000000000..246b4c6e6135 --- /dev/null +++ b/kernel/modsign_certificate.S @@ -0,0 +1,19 @@ +/* SYMBOL_PREFIX defined on commandline from CONFIG_SYMBOL_PREFIX */ +#ifndef SYMBOL_PREFIX +#define ASM_SYMBOL(sym) sym +#else +#define PASTE2(x,y) x##y +#define PASTE(x,y) PASTE2(x,y) +#define ASM_SYMBOL(sym) PASTE(SYMBOL_PREFIX, sym) +#endif + +#define GLOBAL(name) \ + .globl ASM_SYMBOL(name); \ + ASM_SYMBOL(name): + + .section ".init.data","aw" + +GLOBAL(modsign_certificate_list) + .incbin "signing_key.x509" + .incbin "extra_certificates" +GLOBAL(modsign_certificate_list_end) diff --git a/kernel/modsign_pubkey.c b/kernel/modsign_pubkey.c index 767e559dfb10..045504fffbb2 100644 --- a/kernel/modsign_pubkey.c +++ b/kernel/modsign_pubkey.c @@ -20,12 +20,6 @@ struct key *modsign_keyring; extern __initdata const u8 modsign_certificate_list[]; extern __initdata const u8 modsign_certificate_list_end[]; -asm(".section .init.data,\"aw\"\n" - SYMBOL_PREFIX "modsign_certificate_list:\n" - ".incbin \"signing_key.x509\"\n" - ".incbin \"extra_certificates\"\n" - SYMBOL_PREFIX "modsign_certificate_list_end:" - ); /* * We need to make sure ccache doesn't cache the .o file as it doesn't notice diff --git a/kernel/module.c b/kernel/module.c index 808bd62e1723..250092c1d57d 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -21,6 +21,7 @@ #include <linux/ftrace_event.h> #include <linux/init.h> #include <linux/kallsyms.h> +#include <linux/file.h> #include <linux/fs.h> #include <linux/sysfs.h> #include <linux/kernel.h> @@ -28,6 +29,7 @@ #include <linux/vmalloc.h> #include <linux/elf.h> #include <linux/proc_fs.h> +#include <linux/security.h> #include <linux/seq_file.h> #include <linux/syscalls.h> #include <linux/fcntl.h> @@ -59,6 +61,7 @@ #include <linux/pfn.h> #include <linux/bsearch.h> #include <linux/fips.h> +#include <uapi/linux/module.h> #include "module-internal.h" #define CREATE_TRACE_POINTS @@ -2279,7 +2282,7 @@ static void layout_symtab(struct module *mod, struct load_info *info) Elf_Shdr *symsect = info->sechdrs + info->index.sym; Elf_Shdr *strsect = info->sechdrs + info->index.str; const Elf_Sym *src; - unsigned int i, nsrc, ndst, strtab_size; + unsigned int i, nsrc, ndst, strtab_size = 0; /* Put symbol section at end of init part of module. */ symsect->sh_flags |= SHF_ALLOC; @@ -2290,9 +2293,6 @@ static void layout_symtab(struct module *mod, struct load_info *info) src = (void *)info->hdr + symsect->sh_offset; nsrc = symsect->sh_size / sizeof(*src); - /* strtab always starts with a nul, so offset 0 is the empty string. */ - strtab_size = 1; - /* Compute total space required for the core symbols' strtab. */ for (ndst = i = 0; i < nsrc; i++) { if (i == 0 || @@ -2334,7 +2334,6 @@ static void add_kallsyms(struct module *mod, const struct load_info *info) mod->core_symtab = dst = mod->module_core + info->symoffs; mod->core_strtab = s = mod->module_core + info->stroffs; src = mod->symtab; - *s++ = 0; for (ndst = i = 0; i < mod->num_symtab; i++) { if (i == 0 || is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) { @@ -2375,7 +2374,7 @@ static void dynamic_debug_remove(struct _ddebug *debug) void * __weak module_alloc(unsigned long size) { - return size == 0 ? NULL : vmalloc_exec(size); + return vmalloc_exec(size); } static void *module_alloc_update_bounds(unsigned long size) @@ -2422,18 +2421,17 @@ static inline void kmemleak_load_module(const struct module *mod, #endif #ifdef CONFIG_MODULE_SIG -static int module_sig_check(struct load_info *info, - const void *mod, unsigned long *_len) +static int module_sig_check(struct load_info *info) { int err = -ENOKEY; - unsigned long markerlen = sizeof(MODULE_SIG_STRING) - 1; - unsigned long len = *_len; + const unsigned long markerlen = sizeof(MODULE_SIG_STRING) - 1; + const void *mod = info->hdr; - if (len > markerlen && - memcmp(mod + len - markerlen, MODULE_SIG_STRING, markerlen) == 0) { + if (info->len > markerlen && + memcmp(mod + info->len - markerlen, MODULE_SIG_STRING, markerlen) == 0) { /* We truncate the module to discard the signature */ - *_len -= markerlen; - err = mod_verify_sig(mod, _len); + info->len -= markerlen; + err = mod_verify_sig(mod, &info->len); } if (!err) { @@ -2451,59 +2449,107 @@ static int module_sig_check(struct load_info *info, return err; } #else /* !CONFIG_MODULE_SIG */ -static int module_sig_check(struct load_info *info, - void *mod, unsigned long *len) +static int module_sig_check(struct load_info *info) { return 0; } #endif /* !CONFIG_MODULE_SIG */ -/* Sets info->hdr, info->len and info->sig_ok. */ -static int copy_and_check(struct load_info *info, - const void __user *umod, unsigned long len, - const char __user *uargs) +/* Sanity checks against invalid binaries, wrong arch, weird elf version. */ +static int elf_header_check(struct load_info *info) +{ + if (info->len < sizeof(*(info->hdr))) + return -ENOEXEC; + + if (memcmp(info->hdr->e_ident, ELFMAG, SELFMAG) != 0 + || info->hdr->e_type != ET_REL + || !elf_check_arch(info->hdr) + || info->hdr->e_shentsize != sizeof(Elf_Shdr)) + return -ENOEXEC; + + if (info->hdr->e_shoff >= info->len + || (info->hdr->e_shnum * sizeof(Elf_Shdr) > + info->len - info->hdr->e_shoff)) + return -ENOEXEC; + + return 0; +} + +/* Sets info->hdr and info->len. */ +static int copy_module_from_user(const void __user *umod, unsigned long len, + struct load_info *info) { int err; - Elf_Ehdr *hdr; - if (len < sizeof(*hdr)) + info->len = len; + if (info->len < sizeof(*(info->hdr))) return -ENOEXEC; + err = security_kernel_module_from_file(NULL); + if (err) + return err; + /* Suck in entire file: we'll want most of it. */ - if ((hdr = vmalloc(len)) == NULL) + info->hdr = vmalloc(info->len); + if (!info->hdr) return -ENOMEM; - if (copy_from_user(hdr, umod, len) != 0) { - err = -EFAULT; - goto free_hdr; + if (copy_from_user(info->hdr, umod, info->len) != 0) { + vfree(info->hdr); + return -EFAULT; } - err = module_sig_check(info, hdr, &len); + return 0; +} + +/* Sets info->hdr and info->len. */ +static int copy_module_from_fd(int fd, struct load_info *info) +{ + struct file *file; + int err; + struct kstat stat; + loff_t pos; + ssize_t bytes = 0; + + file = fget(fd); + if (!file) + return -ENOEXEC; + + err = security_kernel_module_from_file(file); if (err) - goto free_hdr; + goto out; - /* Sanity checks against insmoding binaries or wrong arch, - weird elf version */ - if (memcmp(hdr->e_ident, ELFMAG, SELFMAG) != 0 - || hdr->e_type != ET_REL - || !elf_check_arch(hdr) - || hdr->e_shentsize != sizeof(Elf_Shdr)) { - err = -ENOEXEC; - goto free_hdr; - } + err = vfs_getattr(file->f_vfsmnt, file->f_dentry, &stat); + if (err) + goto out; - if (hdr->e_shoff >= len || - hdr->e_shnum * sizeof(Elf_Shdr) > len - hdr->e_shoff) { - err = -ENOEXEC; - goto free_hdr; + if (stat.size > INT_MAX) { + err = -EFBIG; + goto out; + } + info->hdr = vmalloc(stat.size); + if (!info->hdr) { + err = -ENOMEM; + goto out; } - info->hdr = hdr; - info->len = len; - return 0; + pos = 0; + while (pos < stat.size) { + bytes = kernel_read(file, pos, (char *)(info->hdr) + pos, + stat.size - pos); + if (bytes < 0) { + vfree(info->hdr); + err = bytes; + goto out; + } + if (bytes == 0) + break; + pos += bytes; + } + info->len = pos; -free_hdr: - vfree(hdr); +out: + fput(file); return err; } @@ -2512,7 +2558,7 @@ static void free_copy(struct load_info *info) vfree(info->hdr); } -static int rewrite_section_headers(struct load_info *info) +static int rewrite_section_headers(struct load_info *info, int flags) { unsigned int i; @@ -2540,7 +2586,10 @@ static int rewrite_section_headers(struct load_info *info) } /* Track but don't keep modinfo and version sections. */ - info->index.vers = find_sec(info, "__versions"); + if (flags & MODULE_INIT_IGNORE_MODVERSIONS) + info->index.vers = 0; /* Pretend no __versions section! */ + else + info->index.vers = find_sec(info, "__versions"); info->index.info = find_sec(info, ".modinfo"); info->sechdrs[info->index.info].sh_flags &= ~(unsigned long)SHF_ALLOC; info->sechdrs[info->index.vers].sh_flags &= ~(unsigned long)SHF_ALLOC; @@ -2555,7 +2604,7 @@ static int rewrite_section_headers(struct load_info *info) * Return the temporary module pointer (we'll replace it with the final * one when we move the module sections around). */ -static struct module *setup_load_info(struct load_info *info) +static struct module *setup_load_info(struct load_info *info, int flags) { unsigned int i; int err; @@ -2566,7 +2615,7 @@ static struct module *setup_load_info(struct load_info *info) info->secstrings = (void *)info->hdr + info->sechdrs[info->hdr->e_shstrndx].sh_offset; - err = rewrite_section_headers(info); + err = rewrite_section_headers(info, flags); if (err) return ERR_PTR(err); @@ -2604,11 +2653,14 @@ static struct module *setup_load_info(struct load_info *info) return mod; } -static int check_modinfo(struct module *mod, struct load_info *info) +static int check_modinfo(struct module *mod, struct load_info *info, int flags) { const char *modmagic = get_modinfo(info, "vermagic"); int err; + if (flags & MODULE_INIT_IGNORE_VERMAGIC) + modmagic = NULL; + /* This is allowed: modprobe --force will invalidate it. */ if (!modmagic) { err = try_to_force_load(mod, "bad vermagic"); @@ -2738,20 +2790,23 @@ static int move_module(struct module *mod, struct load_info *info) memset(ptr, 0, mod->core_size); mod->module_core = ptr; - ptr = module_alloc_update_bounds(mod->init_size); - /* - * The pointer to this block is stored in the module structure - * which is inside the block. This block doesn't need to be - * scanned as it contains data and code that will be freed - * after the module is initialized. - */ - kmemleak_ignore(ptr); - if (!ptr && mod->init_size) { - module_free(mod, mod->module_core); - return -ENOMEM; - } - memset(ptr, 0, mod->init_size); - mod->module_init = ptr; + if (mod->init_size) { + ptr = module_alloc_update_bounds(mod->init_size); + /* + * The pointer to this block is stored in the module structure + * which is inside the block. This block doesn't need to be + * scanned as it contains data and code that will be freed + * after the module is initialized. + */ + kmemleak_ignore(ptr); + if (!ptr) { + module_free(mod, mod->module_core); + return -ENOMEM; + } + memset(ptr, 0, mod->init_size); + mod->module_init = ptr; + } else + mod->module_init = NULL; /* Transfer each section which specifies SHF_ALLOC */ pr_debug("final section addresses:\n"); @@ -2844,18 +2899,18 @@ int __weak module_frob_arch_sections(Elf_Ehdr *hdr, return 0; } -static struct module *layout_and_allocate(struct load_info *info) +static struct module *layout_and_allocate(struct load_info *info, int flags) { /* Module within temporary copy. */ struct module *mod; Elf_Shdr *pcpusec; int err; - mod = setup_load_info(info); + mod = setup_load_info(info, flags); if (IS_ERR(mod)) return mod; - err = check_modinfo(mod, info); + err = check_modinfo(mod, info, flags); if (err) return ERR_PTR(err); @@ -2942,33 +2997,124 @@ static bool finished_loading(const char *name) return ret; } +/* Call module constructors. */ +static void do_mod_ctors(struct module *mod) +{ +#ifdef CONFIG_CONSTRUCTORS + unsigned long i; + + for (i = 0; i < mod->num_ctors; i++) + mod->ctors[i](); +#endif +} + +/* This is where the real work happens */ +static int do_init_module(struct module *mod) +{ + int ret = 0; + + blocking_notifier_call_chain(&module_notify_list, + MODULE_STATE_COMING, mod); + + /* Set RO and NX regions for core */ + set_section_ro_nx(mod->module_core, + mod->core_text_size, + mod->core_ro_size, + mod->core_size); + + /* Set RO and NX regions for init */ + set_section_ro_nx(mod->module_init, + mod->init_text_size, + mod->init_ro_size, + mod->init_size); + + do_mod_ctors(mod); + /* Start the module */ + if (mod->init != NULL) + ret = do_one_initcall(mod->init); + if (ret < 0) { + /* Init routine failed: abort. Try to protect us from + buggy refcounters. */ + mod->state = MODULE_STATE_GOING; + synchronize_sched(); + module_put(mod); + blocking_notifier_call_chain(&module_notify_list, + MODULE_STATE_GOING, mod); + free_module(mod); + wake_up_all(&module_wq); + return ret; + } + if (ret > 0) { + printk(KERN_WARNING +"%s: '%s'->init suspiciously returned %d, it should follow 0/-E convention\n" +"%s: loading module anyway...\n", + __func__, mod->name, ret, + __func__); + dump_stack(); + } + + /* Now it's a first class citizen! */ + mod->state = MODULE_STATE_LIVE; + blocking_notifier_call_chain(&module_notify_list, + MODULE_STATE_LIVE, mod); + + /* We need to finish all async code before the module init sequence is done */ + async_synchronize_full(); + + mutex_lock(&module_mutex); + /* Drop initial reference. */ + module_put(mod); + trim_init_extable(mod); +#ifdef CONFIG_KALLSYMS + mod->num_symtab = mod->core_num_syms; + mod->symtab = mod->core_symtab; + mod->strtab = mod->core_strtab; +#endif + unset_module_init_ro_nx(mod); + module_free(mod, mod->module_init); + mod->module_init = NULL; + mod->init_size = 0; + mod->init_ro_size = 0; + mod->init_text_size = 0; + mutex_unlock(&module_mutex); + wake_up_all(&module_wq); + + return 0; +} + +static int may_init_module(void) +{ + if (!capable(CAP_SYS_MODULE) || modules_disabled) + return -EPERM; + + return 0; +} + /* Allocate and load the module: note that size of section 0 is always zero, and we rely on this for optional sections. */ -static struct module *load_module(void __user *umod, - unsigned long len, - const char __user *uargs) +static int load_module(struct load_info *info, const char __user *uargs, + int flags) { - struct load_info info = { NULL, }; struct module *mod, *old; long err; - pr_debug("load_module: umod=%p, len=%lu, uargs=%p\n", - umod, len, uargs); + err = module_sig_check(info); + if (err) + goto free_copy; - /* Copy in the blobs from userspace, check they are vaguely sane. */ - err = copy_and_check(&info, umod, len, uargs); + err = elf_header_check(info); if (err) - return ERR_PTR(err); + goto free_copy; /* Figure out module layout, and allocate all the memory. */ - mod = layout_and_allocate(&info); + mod = layout_and_allocate(info, flags); if (IS_ERR(mod)) { err = PTR_ERR(mod); goto free_copy; } #ifdef CONFIG_MODULE_SIG - mod->sig_ok = info.sig_ok; + mod->sig_ok = info->sig_ok; if (!mod->sig_ok) add_taint_module(mod, TAINT_FORCED_MODULE); #endif @@ -2980,25 +3126,25 @@ static struct module *load_module(void __user *umod, /* Now we've got everything in the final locations, we can * find optional sections. */ - find_module_sections(mod, &info); + find_module_sections(mod, info); err = check_module_license_and_versions(mod); if (err) goto free_unload; /* Set up MODINFO_ATTR fields */ - setup_modinfo(mod, &info); + setup_modinfo(mod, info); /* Fix up syms, so that st_value is a pointer to location. */ - err = simplify_symbols(mod, &info); + err = simplify_symbols(mod, info); if (err < 0) goto free_modinfo; - err = apply_relocations(mod, &info); + err = apply_relocations(mod, info); if (err < 0) goto free_modinfo; - err = post_relocation(mod, &info); + err = post_relocation(mod, info); if (err < 0) goto free_modinfo; @@ -3038,14 +3184,14 @@ again: } /* This has to be done once we're sure module name is unique. */ - dynamic_debug_setup(info.debug, info.num_debug); + dynamic_debug_setup(info->debug, info->num_debug); /* Find duplicate symbols */ err = verify_export_symbols(mod); if (err < 0) goto ddebug; - module_bug_finalize(info.hdr, info.sechdrs, mod); + module_bug_finalize(info->hdr, info->sechdrs, mod); list_add_rcu(&mod->list, &modules); mutex_unlock(&module_mutex); @@ -3056,16 +3202,17 @@ again: goto unlink; /* Link in to syfs. */ - err = mod_sysfs_setup(mod, &info, mod->kp, mod->num_kp); + err = mod_sysfs_setup(mod, info, mod->kp, mod->num_kp); if (err < 0) goto unlink; /* Get rid of temporary copy. */ - free_copy(&info); + free_copy(info); /* Done! */ trace_module_load(mod); - return mod; + + return do_init_module(mod); unlink: mutex_lock(&module_mutex); @@ -3074,7 +3221,7 @@ again: module_bug_cleanup(mod); wake_up_all(&module_wq); ddebug: - dynamic_debug_remove(info.debug); + dynamic_debug_remove(info->debug); unlock: mutex_unlock(&module_mutex); synchronize_sched(); @@ -3086,106 +3233,52 @@ again: free_unload: module_unload_free(mod); free_module: - module_deallocate(mod, &info); + module_deallocate(mod, info); free_copy: - free_copy(&info); - return ERR_PTR(err); -} - -/* Call module constructors. */ -static void do_mod_ctors(struct module *mod) -{ -#ifdef CONFIG_CONSTRUCTORS - unsigned long i; - - for (i = 0; i < mod->num_ctors; i++) - mod->ctors[i](); -#endif + free_copy(info); + return err; } -/* This is where the real work happens */ SYSCALL_DEFINE3(init_module, void __user *, umod, unsigned long, len, const char __user *, uargs) { - struct module *mod; - int ret = 0; + int err; + struct load_info info = { }; - /* Must have permission */ - if (!capable(CAP_SYS_MODULE) || modules_disabled) - return -EPERM; + err = may_init_module(); + if (err) + return err; - /* Do all the hard work */ - mod = load_module(umod, len, uargs); - if (IS_ERR(mod)) - return PTR_ERR(mod); + pr_debug("init_module: umod=%p, len=%lu, uargs=%p\n", + umod, len, uargs); - blocking_notifier_call_chain(&module_notify_list, - MODULE_STATE_COMING, mod); + err = copy_module_from_user(umod, len, &info); + if (err) + return err; - /* Set RO and NX regions for core */ - set_section_ro_nx(mod->module_core, - mod->core_text_size, - mod->core_ro_size, - mod->core_size); + return load_module(&info, uargs, 0); +} - /* Set RO and NX regions for init */ - set_section_ro_nx(mod->module_init, - mod->init_text_size, - mod->init_ro_size, - mod->init_size); +SYSCALL_DEFINE3(finit_module, int, fd, const char __user *, uargs, int, flags) +{ + int err; + struct load_info info = { }; - do_mod_ctors(mod); - /* Start the module */ - if (mod->init != NULL) - ret = do_one_initcall(mod->init); - if (ret < 0) { - /* Init routine failed: abort. Try to protect us from - buggy refcounters. */ - mod->state = MODULE_STATE_GOING; - synchronize_sched(); - module_put(mod); - blocking_notifier_call_chain(&module_notify_list, - MODULE_STATE_GOING, mod); - free_module(mod); - wake_up_all(&module_wq); - return ret; - } - if (ret > 0) { - printk(KERN_WARNING -"%s: '%s'->init suspiciously returned %d, it should follow 0/-E convention\n" -"%s: loading module anyway...\n", - __func__, mod->name, ret, - __func__); - dump_stack(); - } + err = may_init_module(); + if (err) + return err; - /* Now it's a first class citizen! */ - mod->state = MODULE_STATE_LIVE; - blocking_notifier_call_chain(&module_notify_list, - MODULE_STATE_LIVE, mod); + pr_debug("finit_module: fd=%d, uargs=%p, flags=%i\n", fd, uargs, flags); - /* We need to finish all async code before the module init sequence is done */ - async_synchronize_full(); + if (flags & ~(MODULE_INIT_IGNORE_MODVERSIONS + |MODULE_INIT_IGNORE_VERMAGIC)) + return -EINVAL; - mutex_lock(&module_mutex); - /* Drop initial reference. */ - module_put(mod); - trim_init_extable(mod); -#ifdef CONFIG_KALLSYMS - mod->num_symtab = mod->core_num_syms; - mod->symtab = mod->core_symtab; - mod->strtab = mod->core_strtab; -#endif - unset_module_init_ro_nx(mod); - module_free(mod, mod->module_init); - mod->module_init = NULL; - mod->init_size = 0; - mod->init_ro_size = 0; - mod->init_text_size = 0; - mutex_unlock(&module_mutex); - wake_up_all(&module_wq); + err = copy_module_from_fd(fd, &info); + if (err) + return err; - return 0; + return load_module(&info, uargs, flags); } static inline int within(unsigned long addr, void *start, unsigned long size) diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index d73840271dce..a278cad1d5d6 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -9,6 +9,7 @@ #include <asm/uaccess.h> #include <linux/kernel_stat.h> #include <trace/events/timer.h> +#include <linux/random.h> /* * Called after updating RLIMIT_CPU to run cpu timer and update @@ -470,6 +471,8 @@ static void cleanup_timers(struct list_head *head, */ void posix_cpu_timers_exit(struct task_struct *tsk) { + add_device_randomness((const void*) &tsk->se.sum_exec_runtime, + sizeof(unsigned long long)); cleanup_timers(tsk->cpu_timers, tsk->utime, tsk->stime, tsk->se.sum_exec_runtime); diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 4603d6cb9e25..5eea8707234a 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -793,8 +793,11 @@ unsigned int sysctl_numa_balancing_scan_delay = 1000; static void task_numa_placement(struct task_struct *p) { - int seq = ACCESS_ONCE(p->mm->numa_scan_seq); + int seq; + if (!p->mm) /* for example, ksmd faulting in a user's mm */ + return; + seq = ACCESS_ONCE(p->mm->numa_scan_seq); if (p->numa_scan_seq == seq) return; p->numa_scan_seq = seq; diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c index dbff751e4086..395084d4ce16 100644 --- a/kernel/sys_ni.c +++ b/kernel/sys_ni.c @@ -25,6 +25,7 @@ cond_syscall(sys_swapoff); cond_syscall(sys_kexec_load); cond_syscall(compat_sys_kexec_load); cond_syscall(sys_init_module); +cond_syscall(sys_finit_module); cond_syscall(sys_delete_module); cond_syscall(sys_socketpair); cond_syscall(sys_bind); diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 997c6a16ec22..75a2ab3d0b02 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -344,6 +344,10 @@ static void watchdog_enable(unsigned int cpu) { struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer); + /* kick off the timer for the hardlockup detector */ + hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); + hrtimer->function = watchdog_timer_fn; + if (!watchdog_enabled) { kthread_park(current); return; @@ -352,10 +356,6 @@ static void watchdog_enable(unsigned int cpu) /* Enable the perf event */ watchdog_nmi_enable(cpu); - /* kick off the timer for the hardlockup detector */ - hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); - hrtimer->function = watchdog_timer_fn; - /* done here because hrtimer_start can only pin to smp_processor_id() */ hrtimer_start(hrtimer, ns_to_ktime(sample_period), HRTIMER_MODE_REL_PINNED); @@ -369,9 +369,6 @@ static void watchdog_disable(unsigned int cpu) { struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer); - if (!watchdog_enabled) - return; - watchdog_set_prio(SCHED_NORMAL, 0); hrtimer_cancel(hrtimer); /* disable the perf event */ diff --git a/lib/asn1_decoder.c b/lib/asn1_decoder.c index 5293d2433029..11b9b01fda6b 100644 --- a/lib/asn1_decoder.c +++ b/lib/asn1_decoder.c @@ -81,7 +81,7 @@ next_tag: goto next_tag; } - if (unlikely((tag & 0x1f) == 0x1f)) { + if (unlikely((tag & 0x1f) == ASN1_LONG_TAG)) { do { if (unlikely(datalen - dp < 2)) goto data_overrun_error; @@ -96,7 +96,7 @@ next_tag: goto next_tag; } - if (unlikely(len == 0x80)) { + if (unlikely(len == ASN1_INDEFINITE_LENGTH)) { /* Indefinite length */ if (unlikely((tag & ASN1_CONS_BIT) == ASN1_PRIM << 5)) goto indefinite_len_primitive; @@ -222,7 +222,7 @@ next_op: if (unlikely(dp >= datalen - 1)) goto data_overrun_error; tag = data[dp++]; - if (unlikely((tag & 0x1f) == 0x1f)) + if (unlikely((tag & 0x1f) == ASN1_LONG_TAG)) goto long_tag_not_supported; if (op & ASN1_OP_MATCH__ANY) { @@ -254,7 +254,7 @@ next_op: len = data[dp++]; if (len > 0x7f) { - if (unlikely(len == 0x80)) { + if (unlikely(len == ASN1_INDEFINITE_LENGTH)) { /* Indefinite length */ if (unlikely(!(tag & ASN1_CONS_BIT))) goto indefinite_len_primitive; @@ -1624,7 +1624,7 @@ again: struct anon_vma_chain *vmac; struct vm_area_struct *vma; - anon_vma_lock_write(anon_vma); + anon_vma_lock_read(anon_vma); anon_vma_interval_tree_foreach(vmac, &anon_vma->rb_root, 0, ULONG_MAX) { vma = vmac->vma; @@ -1648,7 +1648,7 @@ again: if (!search_new_forks || !mapcount) break; } - anon_vma_unlock(anon_vma); + anon_vma_unlock_read(anon_vma); if (!mapcount) goto out; } @@ -1678,7 +1678,7 @@ again: struct anon_vma_chain *vmac; struct vm_area_struct *vma; - anon_vma_lock_write(anon_vma); + anon_vma_lock_read(anon_vma); anon_vma_interval_tree_foreach(vmac, &anon_vma->rb_root, 0, ULONG_MAX) { vma = vmac->vma; @@ -1697,11 +1697,11 @@ again: ret = try_to_unmap_one(page, vma, rmap_item->address, flags); if (ret != SWAP_AGAIN || !page_mapped(page)) { - anon_vma_unlock(anon_vma); + anon_vma_unlock_read(anon_vma); goto out; } } - anon_vma_unlock(anon_vma); + anon_vma_unlock_read(anon_vma); } if (!search_new_forks++) goto again; @@ -1731,7 +1731,7 @@ again: struct anon_vma_chain *vmac; struct vm_area_struct *vma; - anon_vma_lock_write(anon_vma); + anon_vma_lock_read(anon_vma); anon_vma_interval_tree_foreach(vmac, &anon_vma->rb_root, 0, ULONG_MAX) { vma = vmac->vma; @@ -1749,11 +1749,11 @@ again: ret = rmap_one(page, vma, rmap_item->address, arg); if (ret != SWAP_AGAIN) { - anon_vma_unlock(anon_vma); + anon_vma_unlock_read(anon_vma); goto out; } } - anon_vma_unlock(anon_vma); + anon_vma_unlock_read(anon_vma); } if (!search_new_forks++) goto again; diff --git a/mm/vmscan.c b/mm/vmscan.c index 828530e2794a..adc7e9058181 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2570,7 +2570,7 @@ static bool prepare_kswapd_sleep(pg_data_t *pgdat, int order, long remaining, static unsigned long balance_pgdat(pg_data_t *pgdat, int order, int *classzone_idx) { - int all_zones_ok; + struct zone *unbalanced_zone; unsigned long balanced; int i; int end_zone = 0; /* Inclusive. 0 = ZONE_DMA */ @@ -2604,7 +2604,7 @@ loop_again: unsigned long lru_pages = 0; int has_under_min_watermark_zone = 0; - all_zones_ok = 1; + unbalanced_zone = NULL; balanced = 0; /* @@ -2743,7 +2743,7 @@ loop_again: } if (!zone_balanced(zone, testorder, 0, end_zone)) { - all_zones_ok = 0; + unbalanced_zone = zone; /* * We are still under min water mark. This * means that we have a GFP_ATOMIC allocation @@ -2776,7 +2776,7 @@ loop_again: pfmemalloc_watermark_ok(pgdat)) wake_up(&pgdat->pfmemalloc_wait); - if (all_zones_ok || (order && pgdat_balanced(pgdat, balanced, *classzone_idx))) + if (!unbalanced_zone || (order && pgdat_balanced(pgdat, balanced, *classzone_idx))) break; /* kswapd: all done */ /* * OK, kswapd is getting into trouble. Take a nap, then take @@ -2786,7 +2786,7 @@ loop_again: if (has_under_min_watermark_zone) count_vm_event(KSWAPD_SKIP_CONGESTION_WAIT); else - congestion_wait(BLK_RW_ASYNC, HZ/10); + wait_iff_congested(unbalanced_zone, BLK_RW_ASYNC, HZ/10); } /* @@ -2805,7 +2805,7 @@ out: * high-order: Balanced zones must make up at least 25% of the node * for the node to be balanced */ - if (!(all_zones_ok || (order && pgdat_balanced(pgdat, balanced, *classzone_idx)))) { + if (unbalanced_zone && (!order || !pgdat_balanced(pgdat, balanced, *classzone_idx))) { cond_resched(); try_to_freeze(); diff --git a/net/atm/atm_sysfs.c b/net/atm/atm_sysfs.c index f49da5814bc3..350bf62b2ae3 100644 --- a/net/atm/atm_sysfs.c +++ b/net/atm/atm_sysfs.c @@ -14,49 +14,45 @@ static ssize_t show_type(struct device *cdev, struct device_attribute *attr, char *buf) { struct atm_dev *adev = to_atm_dev(cdev); - return sprintf(buf, "%s\n", adev->type); + + return scnprintf(buf, PAGE_SIZE, "%s\n", adev->type); } static ssize_t show_address(struct device *cdev, struct device_attribute *attr, char *buf) { - char *pos = buf; struct atm_dev *adev = to_atm_dev(cdev); - int i; - - for (i = 0; i < (ESI_LEN - 1); i++) - pos += sprintf(pos, "%02x:", adev->esi[i]); - pos += sprintf(pos, "%02x\n", adev->esi[i]); - return pos - buf; + return scnprintf(buf, PAGE_SIZE, "%pM\n", adev->esi); } static ssize_t show_atmaddress(struct device *cdev, struct device_attribute *attr, char *buf) { unsigned long flags; - char *pos = buf; struct atm_dev *adev = to_atm_dev(cdev); struct atm_dev_addr *aaddr; int bin[] = { 1, 2, 10, 6, 1 }, *fmt = bin; - int i, j; + int i, j, count = 0; spin_lock_irqsave(&adev->lock, flags); list_for_each_entry(aaddr, &adev->local, entry) { for (i = 0, j = 0; i < ATM_ESA_LEN; ++i, ++j) { if (j == *fmt) { - pos += sprintf(pos, "."); + count += scnprintf(buf + count, + PAGE_SIZE - count, "."); ++fmt; j = 0; } - pos += sprintf(pos, "%02x", - aaddr->addr.sas_addr.prv[i]); + count += scnprintf(buf + count, + PAGE_SIZE - count, "%02x", + aaddr->addr.sas_addr.prv[i]); } - pos += sprintf(pos, "\n"); + count += scnprintf(buf + count, PAGE_SIZE - count, "\n"); } spin_unlock_irqrestore(&adev->lock, flags); - return pos - buf; + return count; } static ssize_t show_atmindex(struct device *cdev, @@ -64,25 +60,21 @@ static ssize_t show_atmindex(struct device *cdev, { struct atm_dev *adev = to_atm_dev(cdev); - return sprintf(buf, "%d\n", adev->number); + return scnprintf(buf, PAGE_SIZE, "%d\n", adev->number); } static ssize_t show_carrier(struct device *cdev, struct device_attribute *attr, char *buf) { - char *pos = buf; struct atm_dev *adev = to_atm_dev(cdev); - pos += sprintf(pos, "%d\n", - adev->signal == ATM_PHY_SIG_LOST ? 0 : 1); - - return pos - buf; + return scnprintf(buf, PAGE_SIZE, "%d\n", + adev->signal == ATM_PHY_SIG_LOST ? 0 : 1); } static ssize_t show_link_rate(struct device *cdev, struct device_attribute *attr, char *buf) { - char *pos = buf; struct atm_dev *adev = to_atm_dev(cdev); int link_rate; @@ -100,9 +92,7 @@ static ssize_t show_link_rate(struct device *cdev, default: link_rate = adev->link_rate * 8 * 53; } - pos += sprintf(pos, "%d\n", link_rate); - - return pos - buf; + return scnprintf(buf, PAGE_SIZE, "%d\n", link_rate); } static DEVICE_ATTR(address, S_IRUGO, show_address, NULL); diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index 6f0a2eebcb27..acc9f4cc18f7 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -83,9 +83,12 @@ static int br_mdb_fill_info(struct sk_buff *skb, struct netlink_callback *cb, if (port) { struct br_mdb_entry e; e.ifindex = port->dev->ifindex; - e.addr.u.ip4 = p->addr.u.ip4; + e.state = p->state; + if (p->addr.proto == htons(ETH_P_IP)) + e.addr.u.ip4 = p->addr.u.ip4; #if IS_ENABLED(CONFIG_IPV6) - e.addr.u.ip6 = p->addr.u.ip6; + if (p->addr.proto == htons(ETH_P_IPV6)) + e.addr.u.ip6 = p->addr.u.ip6; #endif e.addr.proto = p->addr.proto; if (nla_put(skb, MDBA_MDB_ENTRY_INFO, sizeof(e), &e)) { @@ -253,6 +256,8 @@ static bool is_valid_mdb_entry(struct br_mdb_entry *entry) #endif } else return false; + if (entry->state != MDB_PERMANENT && entry->state != MDB_TEMPORARY) + return false; return true; } @@ -310,7 +315,7 @@ static int br_mdb_parse(struct sk_buff *skb, struct nlmsghdr *nlh, } static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, - struct br_ip *group) + struct br_ip *group, unsigned char state) { struct net_bridge_mdb_entry *mp; struct net_bridge_port_group *p; @@ -336,7 +341,7 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port, break; } - p = br_multicast_new_port_group(port, group, *pp); + p = br_multicast_new_port_group(port, group, *pp, state); if (unlikely(!p)) return -ENOMEM; rcu_assign_pointer(*pp, p); @@ -373,7 +378,7 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br, #endif spin_lock_bh(&br->multicast_lock); - ret = br_mdb_add_group(br, p, &ip); + ret = br_mdb_add_group(br, p, &ip, entry->state); spin_unlock_bh(&br->multicast_lock); return ret; } @@ -479,3 +484,10 @@ void br_mdb_init(void) rtnl_register(PF_BRIDGE, RTM_NEWMDB, br_mdb_add, NULL, NULL); rtnl_register(PF_BRIDGE, RTM_DELMDB, br_mdb_del, NULL, NULL); } + +void br_mdb_uninit(void) +{ + rtnl_unregister(PF_BRIDGE, RTM_GETMDB); + rtnl_unregister(PF_BRIDGE, RTM_NEWMDB); + rtnl_unregister(PF_BRIDGE, RTM_DELMDB); +} diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 1093c89095d8..5391ca43336a 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -279,7 +279,7 @@ static void br_multicast_port_group_expired(unsigned long data) spin_lock(&br->multicast_lock); if (!netif_running(br->dev) || timer_pending(&pg->timer) || - hlist_unhashed(&pg->mglist)) + hlist_unhashed(&pg->mglist) || pg->state & MDB_PERMANENT) goto out; br_multicast_del_pg(br, pg); @@ -622,7 +622,8 @@ out: struct net_bridge_port_group *br_multicast_new_port_group( struct net_bridge_port *port, struct br_ip *group, - struct net_bridge_port_group __rcu *next) + struct net_bridge_port_group __rcu *next, + unsigned char state) { struct net_bridge_port_group *p; @@ -632,6 +633,7 @@ struct net_bridge_port_group *br_multicast_new_port_group( p->addr = *group; p->port = port; + p->state = state; rcu_assign_pointer(p->next, next); hlist_add_head(&p->mglist, &port->mglist); setup_timer(&p->timer, br_multicast_port_group_expired, @@ -674,7 +676,7 @@ static int br_multicast_add_group(struct net_bridge *br, break; } - p = br_multicast_new_port_group(port, group, *pp); + p = br_multicast_new_port_group(port, group, *pp, MDB_TEMPORARY); if (unlikely(!p)) goto err; rcu_assign_pointer(*pp, p); @@ -1165,7 +1167,6 @@ static int br_ip6_multicast_query(struct net_bridge *br, if (max_delay) group = &mld->mld_mca; } else if (skb->len >= sizeof(*mld2q)) { - u16 mrc; if (!pskb_may_pull(skb, sizeof(*mld2q))) { err = -EINVAL; goto out; @@ -1173,8 +1174,7 @@ static int br_ip6_multicast_query(struct net_bridge *br, mld2q = (struct mld2_query *)icmp6_hdr(skb); if (!mld2q->mld2q_nsrcs) group = &mld2q->mld2q_mca; - mrc = ntohs(mld2q->mld2q_mrc); - max_delay = mrc ? MLDV2_MRC(mrc) : 1; + max_delay = mld2q->mld2q_mrc ? MLDV2_MRC(ntohs(mld2q->mld2q_mrc)) : 1; } if (!group) @@ -1633,6 +1633,7 @@ void br_multicast_stop(struct net_bridge *br) del_timer_sync(&br->multicast_querier_timer); del_timer_sync(&br->multicast_query_timer); + br_mdb_uninit(); spin_lock_bh(&br->multicast_lock); mdb = mlock_dereference(br->mdb, br); if (!mdb) diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index dead9dfe865b..97ba0189c6f7 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -305,5 +305,4 @@ int __init br_netlink_init(void) void __exit br_netlink_fini(void) { rtnl_link_unregister(&br_link_ops); - rtnl_unregister_all(PF_BRIDGE); } diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index f21a739a6186..8d83be5ffedc 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -83,6 +83,7 @@ struct net_bridge_port_group { struct rcu_head rcu; struct timer_list timer; struct br_ip addr; + unsigned char state; }; struct net_bridge_mdb_entry @@ -443,8 +444,10 @@ extern void br_multicast_free_pg(struct rcu_head *head); extern struct net_bridge_port_group *br_multicast_new_port_group( struct net_bridge_port *port, struct br_ip *group, - struct net_bridge_port_group *next); + struct net_bridge_port_group *next, + unsigned char state); extern void br_mdb_init(void); +extern void br_mdb_uninit(void); extern void br_mdb_notify(struct net_device *dev, struct net_bridge_port *port, struct br_ip *group, int type); diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index 176ecdba4a22..4f9f5eb478f1 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -439,8 +439,8 @@ exit: NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); return NULL; put_and_exit: - bh_unlock_sock(newsk); - sock_put(newsk); + inet_csk_prepare_forced_close(newsk); + dccp_done(newsk); goto exit; } diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 56840b249f3b..6e05981f271e 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -585,7 +585,8 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk, newinet->inet_rcv_saddr = LOOPBACK4_IPV6; if (__inet_inherit_port(sk, newsk) < 0) { - sock_put(newsk); + inet_csk_prepare_forced_close(newsk); + dccp_done(newsk); goto out; } __inet6_hash(newsk, NULL); diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 2026542d6836..d0670f00d524 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -710,6 +710,22 @@ void inet_csk_destroy_sock(struct sock *sk) } EXPORT_SYMBOL(inet_csk_destroy_sock); +/* This function allows to force a closure of a socket after the call to + * tcp/dccp_create_openreq_child(). + */ +void inet_csk_prepare_forced_close(struct sock *sk) +{ + /* sk_clone_lock locked the socket and set refcnt to 2 */ + bh_unlock_sock(sk); + sock_put(sk); + + /* The below has to be done to allow calling inet_csk_destroy_sock */ + sock_set_flag(sk, SOCK_DEAD); + percpu_counter_inc(sk->sk_prot->orphan_count); + inet_sk(sk)->inet_num = 0; +} +EXPORT_SYMBOL(inet_csk_prepare_forced_close); + int inet_csk_listen_start(struct sock *sk, const int nr_table_entries) { struct inet_sock *inet = inet_sk(sk); diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 1ed230716d51..54139fa514e6 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1767,10 +1767,8 @@ exit: NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); return NULL; put_and_exit: - tcp_clear_xmit_timers(newsk); - tcp_cleanup_congestion_control(newsk); - bh_unlock_sock(newsk); - sock_put(newsk); + inet_csk_prepare_forced_close(newsk); + tcp_done(newsk); goto exit; } EXPORT_SYMBOL(tcp_v4_syn_recv_sock); diff --git a/net/ipv6/Makefile b/net/ipv6/Makefile index 2068ac4fbdad..4ea244891b58 100644 --- a/net/ipv6/Makefile +++ b/net/ipv6/Makefile @@ -41,6 +41,6 @@ obj-$(CONFIG_IPV6_TUNNEL) += ip6_tunnel.o obj-$(CONFIG_IPV6_GRE) += ip6_gre.o obj-y += addrconf_core.o exthdrs_core.o -obj-$(CONFIG_INET) += output_core.o protocol.o $(ipv6_offload) +obj-$(CONFIG_INET) += output_core.o protocol.o $(ipv6-offload) obj-$(subst m,y,$(CONFIG_IPV6)) += inet6_hashtables.o diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 6fca01f136ad..408cac4ae00a 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -534,8 +534,7 @@ void inet6_netconf_notify_devconf(struct net *net, int type, int ifindex, rtnl_notify(skb, net, 0, RTNLGRP_IPV6_NETCONF, NULL, GFP_ATOMIC); return; errout: - if (err < 0) - rtnl_set_sk_err(net, RTNLGRP_IPV6_NETCONF, err); + rtnl_set_sk_err(net, RTNLGRP_IPV6_NETCONF, err); } static const struct nla_policy devconf_ipv6_policy[NETCONFA_MAX+1] = { diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index f2a007b7bde3..6574175795df 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1314,6 +1314,12 @@ out: static void ndisc_redirect_rcv(struct sk_buff *skb) { + u8 *hdr; + struct ndisc_options ndopts; + struct rd_msg *msg = (struct rd_msg *)skb_transport_header(skb); + u32 ndoptlen = skb->tail - (skb->transport_header + + offsetof(struct rd_msg, opt)); + #ifdef CONFIG_IPV6_NDISC_NODETYPE switch (skb->ndisc_nodetype) { case NDISC_NODETYPE_HOST: @@ -1330,6 +1336,17 @@ static void ndisc_redirect_rcv(struct sk_buff *skb) return; } + if (!ndisc_parse_options(msg->opt, ndoptlen, &ndopts)) + return; + + if (!ndopts.nd_opts_rh) + return; + + hdr = (u8 *)ndopts.nd_opts_rh; + hdr += 8; + if (!pskb_pull(skb, hdr - skb_transport_header(skb))) + return; + icmpv6_notify(skb, NDISC_REDIRECT, 0, 0); } diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 6565cf55eb1e..93825dd3a7c0 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1288,7 +1288,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, #endif if (__inet_inherit_port(sk, newsk) < 0) { - sock_put(newsk); + inet_csk_prepare_forced_close(newsk); + tcp_done(newsk); goto out; } __inet6_hash(newsk, NULL); diff --git a/net/mac802154/ieee802154_dev.c b/net/mac802154/ieee802154_dev.c index e748aed290aa..b7c7f815deae 100644 --- a/net/mac802154/ieee802154_dev.c +++ b/net/mac802154/ieee802154_dev.c @@ -224,9 +224,9 @@ void ieee802154_free_device(struct ieee802154_dev *hw) BUG_ON(!list_empty(&priv->slaves)); - wpan_phy_free(priv->phy); - mutex_destroy(&priv->slaves_mtx); + + wpan_phy_free(priv->phy); } EXPORT_SYMBOL(ieee802154_free_device); diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index c8a1eb6eca2d..c0353d55d56f 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -669,6 +669,9 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr, struct sockaddr_nl *nladdr = (struct sockaddr_nl *)addr; int err; + if (addr_len < sizeof(struct sockaddr_nl)) + return -EINVAL; + if (nladdr->nl_family != AF_NETLINK) return -EINVAL; @@ -2059,7 +2062,7 @@ static int netlink_seq_show(struct seq_file *seq, void *v) struct sock *s = v; struct netlink_sock *nlk = nlk_sk(s); - seq_printf(seq, "%pK %-3d %-6d %08x %-8d %-8d %pK %-8d %-8d %-8lu\n", + seq_printf(seq, "%pK %-3d %-6u %08x %-8d %-8d %pK %-8d %-8d %-8lu\n", s, s->sk_protocol, nlk->portid, diff --git a/net/sctp/Kconfig b/net/sctp/Kconfig index a9edd2e205f4..c26210618e14 100644 --- a/net/sctp/Kconfig +++ b/net/sctp/Kconfig @@ -66,12 +66,36 @@ config SCTP_DBG_OBJCNT 'cat /proc/net/sctp/sctp_dbg_objcnt' If unsure, say N +choice + prompt "Default SCTP cookie HMAC encoding" + default SCTP_COOKIE_HMAC_MD5 + help + This option sets the default sctp cookie hmac algorithm + when in doubt select 'md5' + +config SCTP_DEFAULT_COOKIE_HMAC_MD5 + bool "Enable optional MD5 hmac cookie generation" + help + Enable optional MD5 hmac based SCTP cookie generation + select SCTP_COOKIE_HMAC_MD5 + +config SCTP_DEFAULT_COOKIE_HMAC_SHA1 + bool "Enable optional SHA1 hmac cookie generation" + help + Enable optional SHA1 hmac based SCTP cookie generation + select SCTP_COOKIE_HMAC_SHA1 + +config SCTP_DEFAULT_COOKIE_HMAC_NONE + bool "Use no hmac alg in SCTP cookie generation" + help + Use no hmac algorithm in SCTP cookie generation + +endchoice config SCTP_COOKIE_HMAC_MD5 bool "Enable optional MD5 hmac cookie generation" help Enable optional MD5 hmac based SCTP cookie generation - default y select CRYPTO_HMAC if SCTP_COOKIE_HMAC_MD5 select CRYPTO_MD5 if SCTP_COOKIE_HMAC_MD5 @@ -79,7 +103,6 @@ config SCTP_COOKIE_HMAC_SHA1 bool "Enable optional SHA1 hmac cookie generation" help Enable optional SHA1 hmac based SCTP cookie generation - default y select CRYPTO_HMAC if SCTP_COOKIE_HMAC_SHA1 select CRYPTO_SHA1 if SCTP_COOKIE_HMAC_SHA1 diff --git a/net/sctp/probe.c b/net/sctp/probe.c index bc6cd75cc1dc..5f7518de2fd1 100644 --- a/net/sctp/probe.c +++ b/net/sctp/probe.c @@ -122,7 +122,8 @@ static const struct file_operations sctpprobe_fops = { .llseek = noop_llseek, }; -sctp_disposition_t jsctp_sf_eat_sack(const struct sctp_endpoint *ep, +sctp_disposition_t jsctp_sf_eat_sack(struct net *net, + const struct sctp_endpoint *ep, const struct sctp_association *asoc, const sctp_subtype_t type, void *arg, diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index 2c7785bacf74..f898b1c58bd2 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -1191,9 +1191,9 @@ static int __net_init sctp_net_init(struct net *net) net->sctp.cookie_preserve_enable = 1; /* Default sctp sockets to use md5 as their hmac alg */ -#if defined (CONFIG_CRYPTO_MD5) +#if defined (CONFIG_SCTP_DEFAULT_COOKIE_HMAC_MD5) net->sctp.sctp_hmac_alg = "md5"; -#elif defined (CONFIG_CRYPTO_SHA1) +#elif defined (CONFIG_SCTP_DEFAULT_COOKIE_HMAC_SHA1) net->sctp.sctp_hmac_alg = "sha1"; #else net->sctp.sctp_hmac_alg = NULL; diff --git a/scripts/Makefile.modsign b/scripts/Makefile.modsign new file mode 100644 index 000000000000..abfda626dbad --- /dev/null +++ b/scripts/Makefile.modsign @@ -0,0 +1,32 @@ +# ========================================================================== +# Signing modules +# ========================================================================== + +PHONY := __modsign +__modsign: + +include scripts/Kbuild.include + +__modules := $(sort $(shell grep -h '\.ko' /dev/null $(wildcard $(MODVERDIR)/*.mod))) +modules := $(patsubst %.o,%.ko,$(wildcard $(__modules:.ko=.o))) + +PHONY += $(modules) +__modsign: $(modules) + @: + +quiet_cmd_sign_ko = SIGN [M] $(2)/$(notdir $@) + cmd_sign_ko = $(mod_sign_cmd) $(2)/$(notdir $@) + +# Modules built outside the kernel source tree go into extra by default +INSTALL_MOD_DIR ?= extra +ext-mod-dir = $(INSTALL_MOD_DIR)$(subst $(patsubst %/,%,$(KBUILD_EXTMOD)),,$(@D)) + +modinst_dir = $(if $(KBUILD_EXTMOD),$(ext-mod-dir),kernel/$(@D)) + +$(modules): + $(call cmd,sign_ko,$(MODLIB)/$(modinst_dir)) + +# Declare the contents of the .PHONY variable as phony. We keep that +# information in a variable se we can use it in if_changed and friends. + +.PHONY: $(PHONY) diff --git a/security/capability.c b/security/capability.c index b14a30c234b8..0fe5a026aef8 100644 --- a/security/capability.c +++ b/security/capability.c @@ -395,6 +395,11 @@ static int cap_kernel_module_request(char *kmod_name) return 0; } +static int cap_kernel_module_from_file(struct file *file) +{ + return 0; +} + static int cap_task_setpgid(struct task_struct *p, pid_t pgid) { return 0; @@ -967,6 +972,7 @@ void __init security_fixup_ops(struct security_operations *ops) set_to_cap_if_null(ops, kernel_act_as); set_to_cap_if_null(ops, kernel_create_files_as); set_to_cap_if_null(ops, kernel_module_request); + set_to_cap_if_null(ops, kernel_module_from_file); set_to_cap_if_null(ops, task_fix_setuid); set_to_cap_if_null(ops, task_setpgid); set_to_cap_if_null(ops, task_getpgid); diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h index 6ee8826662cc..3b2adb794f15 100644 --- a/security/integrity/ima/ima.h +++ b/security/integrity/ima/ima.h @@ -127,7 +127,7 @@ struct integrity_iint_cache *integrity_iint_insert(struct inode *inode); struct integrity_iint_cache *integrity_iint_find(struct inode *inode); /* IMA policy related functions */ -enum ima_hooks { FILE_CHECK = 1, FILE_MMAP, BPRM_CHECK, POST_SETATTR }; +enum ima_hooks { FILE_CHECK = 1, FILE_MMAP, BPRM_CHECK, MODULE_CHECK, POST_SETATTR }; int ima_match_policy(struct inode *inode, enum ima_hooks func, int mask, int flags); diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c index b356884fb3ef..0cea3db21657 100644 --- a/security/integrity/ima/ima_api.c +++ b/security/integrity/ima/ima_api.c @@ -100,12 +100,12 @@ err_out: * ima_get_action - appraise & measure decision based on policy. * @inode: pointer to inode to measure * @mask: contains the permission mask (MAY_READ, MAY_WRITE, MAY_EXECUTE) - * @function: calling function (FILE_CHECK, BPRM_CHECK, FILE_MMAP) + * @function: calling function (FILE_CHECK, BPRM_CHECK, FILE_MMAP, MODULE_CHECK) * * The policy is defined in terms of keypairs: * subj=, obj=, type=, func=, mask=, fsmagic= * subj,obj, and type: are LSM specific. - * func: FILE_CHECK | BPRM_CHECK | FILE_MMAP + * func: FILE_CHECK | BPRM_CHECK | FILE_MMAP | MODULE_CHECK * mask: contains the permission mask * fsmagic: hex value * diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c index 73c9a268253e..45de18e9a6f2 100644 --- a/security/integrity/ima/ima_main.c +++ b/security/integrity/ima/ima_main.c @@ -280,6 +280,27 @@ int ima_file_check(struct file *file, int mask) } EXPORT_SYMBOL_GPL(ima_file_check); +/** + * ima_module_check - based on policy, collect/store/appraise measurement. + * @file: pointer to the file to be measured/appraised + * + * Measure/appraise kernel modules based on policy. + * + * Always return 0 and audit dentry_open failures. + * Return code is based upon measurement appraisal. + */ +int ima_module_check(struct file *file) +{ + int rc; + + if (!file) + rc = INTEGRITY_UNKNOWN; + else + rc = process_measurement(file, file->f_dentry->d_name.name, + MAY_EXEC, MODULE_CHECK); + return (ima_appraise & IMA_APPRAISE_ENFORCE) ? rc : 0; +} + static int __init init_ima(void) { int error; diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c index c7dacd2eab7a..af7d182d5a46 100644 --- a/security/integrity/ima/ima_policy.c +++ b/security/integrity/ima/ima_policy.c @@ -80,6 +80,7 @@ static struct ima_rule_entry default_rules[] = { .flags = IMA_FUNC | IMA_MASK}, {.action = MEASURE,.func = FILE_CHECK,.mask = MAY_READ,.uid = GLOBAL_ROOT_UID, .flags = IMA_FUNC | IMA_MASK | IMA_UID}, + {.action = MEASURE,.func = MODULE_CHECK, .flags = IMA_FUNC}, }; static struct ima_rule_entry default_appraise_rules[] = { @@ -401,6 +402,8 @@ static int ima_parse_rule(char *rule, struct ima_rule_entry *entry) /* PATH_CHECK is for backwards compat */ else if (strcmp(args[0].from, "PATH_CHECK") == 0) entry->func = FILE_CHECK; + else if (strcmp(args[0].from, "MODULE_CHECK") == 0) + entry->func = MODULE_CHECK; else if (strcmp(args[0].from, "FILE_MMAP") == 0) entry->func = FILE_MMAP; else if (strcmp(args[0].from, "BPRM_CHECK") == 0) diff --git a/security/security.c b/security/security.c index 8dcd4ae10a5f..daa97f4ac9d1 100644 --- a/security/security.c +++ b/security/security.c @@ -820,6 +820,16 @@ int security_kernel_module_request(char *kmod_name) return security_ops->kernel_module_request(kmod_name); } +int security_kernel_module_from_file(struct file *file) +{ + int ret; + + ret = security_ops->kernel_module_from_file(file); + if (ret) + return ret; + return ima_module_check(file); +} + int security_task_fix_setuid(struct cred *new, const struct cred *old, int flags) { diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c index 370a6468b3ba..855e464e92ef 100644 --- a/security/selinux/nlmsgtab.c +++ b/security/selinux/nlmsgtab.c @@ -69,6 +69,8 @@ static struct nlmsg_perm nlmsg_route_perms[] = { RTM_SETDCB, NETLINK_ROUTE_SOCKET__NLMSG_WRITE }, { RTM_NEWNETCONF, NETLINK_ROUTE_SOCKET__NLMSG_WRITE }, { RTM_GETNETCONF, NETLINK_ROUTE_SOCKET__NLMSG_READ }, + { RTM_NEWMDB, NETLINK_ROUTE_SOCKET__NLMSG_WRITE }, + { RTM_DELMDB, NETLINK_ROUTE_SOCKET__NLMSG_WRITE }, { RTM_GETMDB, NETLINK_ROUTE_SOCKET__NLMSG_READ }, }; |