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ACPICA commit a06fdba686cefccd5dd5b93b52fa0f1e3f984906
ACPI 6.2 introduced a new resource that is used to specify fine-grained
configuration of a pin or set of pins used by a device. The ASL syntax of
this new resource looks like:
PinConfig (Shared/Exclusive, PinConfigType, PinConfigValue,
ResourceSource, ResourceSourceIndex, ResourceUsage,
DescriptorName, Vendordata) {Pin List}
PinConfigType is an integer with following accepted values:
0x00 (Default) - No configuration is applied to the pin
0x01 (Bias Pull-up) - Pin is pulled up using certain size resistor
0x02 (Bias Pull-down) - Pin is pulled down using certain size resistor
0x03 (Bias Default) - Set to default biasing
0x04 (Bias Disable) - All bias settings will be disabled
0x05 (Bias High Impedance) - Configure the pin as hi_z
0x06 (Bias Bus Hold) - Configure the pin in a weak latch state where
it drives the last value on a tristate bus
0x07 (Drive Open Drain) - Configure the pin into open drain state
0x08 (Drive Open Source) - Configure the pin into open source state
0x09 (Drive Push Pull) - Configure the pin into push-pull state
0x0a (Drive Strength) - How much the pin can supply current
0x0b (Slew Rate) - Configure slew rate of the pin
0x0c (Input Debounce) - Enable input debouncer for the pin
0x0d (Input Schmitt Trigger) - Enable schmitt trigger for the pin
0x0e - 0x7f - Reserved
0x80 - 0xff - Vendor defined types
The PinConfigValue depends on the type and is expressed as units
suitable for that type (for example bias uses Ohms).
Link: https://github.com/acpica/acpica/commit/a06fdba6
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 6bbc6357f7061f1243601adde0ea45f7a89274e0
ACPI 6.2 introduced a new resource that is used to describe how certain
pins are muxed for a device. The ASL syntax of this new resource looks
like below:
PinFunction(Shared, PinConfig, FunctionNumber, ResourceSource,
ResourceSourceIndex, ResourceUsage, DescriptorName,
VendorData) {Pin List}
Which is pretty similar to GpioIo()/GpioInt() resources.
Teach ACPICA about this new resource.
Link: https://github.com/acpica/acpica/commit/6bbc6357
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit e7b817e3c405a4fb9ae9ee7ae4992b8c1f20d284
Extended PCC Subspaces (types 3 and 4)
Link: https://github.com/acpica/acpica/commit/e7b817e3
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit b922ecaf9053dae3b8933664e951ed1ee8f86f07
Update to new version of the TCG/ACPI spec.
Does not include table compiler or disassembler support.
Link: https://github.com/acpica/acpica/commit/b922ecaf
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 3c36625deffdfb034378b1793e2ead9c8fdd767e
Changes the resource descriptor parse tree walk to a general
preprocessing walk and calls the Switch conversion code from here.
Move Switch code to new dmswitch.c file. Also improves algorithm to
handle multiple levels of Switch statements and perform legacy
disassembly for older or otherwise non-spec compliant Switch
implementations.
Link: https://github.com/acpica/acpica/commit/3c36625d
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 223a647c72243359231865a64c1be04d208dcdbd
Link: https://github.com/acpica/acpica/commit/223a647c
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 8e425bdd9fa27264c217a3a449eb3c2da3769542
Link: https://github.com/acpica/acpica/commit/8e425bdd
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 89020347ada3f0ff5499a804178d574359e4730f
Link: https://github.com/acpica/acpica/commit/89020347
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit f2f3813fb6b6a6ec1f406f05061c0e9270e86146
Link: https://github.com/acpica/acpica/commit/f2f3813f
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 54eb9be35414847da7e2903c8d410fa806b44fb5
0x0C (Graceful shutdown) is now reverted to reserved.
0x81 takes the place of this value.
Link: https://github.com/acpica/acpica/commit/54eb9be3
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit d37e878292bc9c7835b74e90d1c4c79e96ce6652
New notify value for memory attributes update for ACPI 6.2.
Link: https://github.com/acpica/acpica/commit/d37e8782
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 51e73c1d35dd21cfe39277b3c71decd3268f669c
All instances using a named parseOp's path field has a type
cast from u8* to char*. Changing path's type from u8*
to char* eliminates type casting and retains the previous
behavior.
Link: https://github.com/acpica/acpica/commit/51e73c1d
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull randomness fixes from Ted Ts'o:
"Improve performance by using a lockless update mechanism suggested by
Linus, and make sure we refresh per-CPU entropy returned get_random_*
as soon as the CRNG is initialized"
* tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
random: invalidate batched entropy after crng init
random: use lockless method of accessing and updating f->reg_idx
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"A few overdue GPIO patches for the v4.12 kernel.
- Fix debounce logic on the Aspeed platform.
- Fix the "virtual gpio" things on the Intel Crystal Cove.
- Fix the blink counter selection on the MVEBU platform"
* tag 'gpio-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: mvebu: fix gpio bank registration when pwm is used
gpio: mvebu: fix blink counter register selection
MAINTAINERS: remove self from GPIO maintainers
gpio: crystalcove: Do not write regular gpio registers for virtual GPIOs
gpio: aspeed: Don't attempt to debounce if disabled
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small driver fixes for 4.12-rc5. Nothing major here,
just some small bugfixes found by people testing, and a MAINTAINERS
file update for the genwqe driver.
All have been in linux-next with no reported issues"
[ The cxl driver fix came in through the powerpc tree earlier ]
* tag 'char-misc-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
cxl: Avoid double free_irq() for psl,slice interrupts
mei: make sysfs modalias format similar as uevent modalias
drivers: char: mem: Fix wraparound check to allow mappings up to the end
MAINTAINERS: Change maintainer of genwqe driver
goldfish_pipe: use GFP_ATOMIC under spin lock
firmware: vpd: do not leak kobjects
firmware: vpd: avoid potential use-after-free when destroying section
firmware: vpd: do not leave freed section attributes to the list
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO fixes from Greg KH:
"These are mostly all IIO driver fixes, resolving a number of tiny
issues. There's also a ccree and lustre fix in here as well, both fix
problems found in those codebases.
All have been in linux-next with no reported issues"
* tag 'staging-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: ccree: fix buffer copy
staging/lustre/lov: remove set_fs() call from lov_getstripe()
staging: ccree: add CRYPTO dependency
iio: adc: sun4i-gpadc-iio: fix parent device being used in devm function
iio: light: ltr501 Fix interchanged als/ps register field
iio: adc: bcm_iproc_adc: swap primary and secondary isr handler's
iio: trigger: fix NULL pointer dereference in iio_trigger_write_current()
iio: adc: max9611: Fix attribute measure unit
iio: adc: ti_am335x_adc: allocating too much in probe
iio: adc: sun4i-gpadc-iio: Fix module autoload when OF devices are registered
iio: adc: sun4i-gpadc-iio: Fix module autoload when PLATFORM devices are registered
iio: proximity: as3935: fix iio_trigger_poll issue
iio: proximity: as3935: fix AS3935_INT mask
iio: adc: Max9611: checking for ERR_PTR instead of NULL in probe
iio: proximity: as3935: recalibrate RCO after resume
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 4.12-rc5
They are for some reported issues in the chipidea and gadget drivers.
Nothing major. All have been in linux-next for a while with no
reported issues"
* tag 'usb-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: gadget: udc: renesas_usb3: Fix PN_INT_ENA disabling timing
usb: gadget: udc: renesas_usb3: lock for PN_ registers access
usb: gadget: udc: renesas_usb3: fix deadlock by spinlock
usb: gadget: udc: renesas_usb3: fix pm_runtime functions calling
usb: gadget: f_mass_storage: Serialize wake and sleep execution
usb: dwc2: add support for the DWC2 controller on Meson8 SoCs
phy: qualcomm: phy-qcom-qmp: fix application of sizeof to pointer
usb: musb: dsps: keep VBUS on for host-only mode
usb: chipidea: core: check before accessing ci_role in ci_role_show
usb: chipidea: debug: check before accessing ci_role
phy: qcom-qmp: fix return value check in qcom_qmp_phy_create()
usb: chipidea: udc: fix NULL pointer dereference if udc_start failed
usb: chipidea: imx: Do not access CLKONOFF on i.MX51
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of user visible fixes (excepting one format string
change).
Four of the qla2xxx fixes only affect the firmware dump path, but it's
still important to the enterprise. The rest are various NULL pointer
crash conditions or outright driver hangs"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: cxgb4i: libcxgbi: in error case RST tcp conn
scsi: scsi_debug: Avoid PI being disabled when TPGS is enabled
scsi: qla2xxx: Fix extraneous ref on sp's after adapter break
scsi: lpfc: prevent potential null pointer dereference
scsi: lpfc: Avoid NULL pointer dereference in lpfc_els_abort()
scsi: lpfc: nvmet_fc: fix format string
scsi: qla2xxx: Fix crash due to NULL pointer dereference of ctx
scsi: qla2xxx: Fix mailbox pointer error in fwdump capture
scsi: qla2xxx: Set bit 15 for DIAG_ECHO_TEST MBC
scsi: qla2xxx: Modify T262 FW dump template to specify same start/end to debug customer issues
scsi: qla2xxx: Fix crash due to mismatch mumber of Q-pair creation for Multi queue
scsi: qla2xxx: Fix NULL pointer access due to redundant fc_host_port_name call
scsi: qla2xxx: Fix recursive loop during target mode configuration for ISP25XX leaving system unresponsive
scsi: bnx2fc: fix race condition in bnx2fc_get_host_stats()
scsi: qla2xxx: don't disable a not previously enabled PCI device
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fix from Dan Williams:
"We expanded the device-dax fs type in 4.12 to be a generic provider of
a struct dax_device with an embedded inode. However, Sasha found some
basic negative testing was not run to verify that this fs cleanly
handles being mounted directly.
Note that the fresh rebase was done to remove an unnecessary Cc:
<stable> tag, but this commit otherwise had a build success
notification from the 0day robot."
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
device-dax: fix 'dax' device filesystem inode destruction crash
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fix from Ingo Molnar:
"A boot crash fix for certain systems where the kernel would trust a
piece of firmware data it should not have"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: Fix boot panic because of invalid BGRT image address
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
- another compile-fix for my header cleanup
- a couple of fixes for the recently merged IOMMU probe deferal code
- fixes for ACPI/IORT code necessary with IOMMU probe deferal
* tag 'iommu-fixes-v4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
arm: dma-mapping: Reset the device's dma_ops
ACPI/IORT: Move the check to get iommu_ops from translated fwspec
ARM: dma-mapping: Don't tear down third-party mappings
ACPI/IORT: Ignore all errors except EPROBE_DEFER
iommu/of: Ignore all errors except EPROBE_DEFER
iommu/of: Fix check for returning EPROBE_DEFER
iommu/dma: Fix function declaration
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- mark "guest" RMI device as pass-through port to avoid "phantom" ALPS
toouchpad on newer Lenovo Carbons
- add two more laptops to the Elantech's lists of devices using CRC
mode
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics-rmi4 - register F03 port as pass-through serio
Input: elantech - add Fujitsu Lifebook E546/E557 to force crc_enabled
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Pull MD bugfix from Shaohua Li:
"One bug fix from Neil Brown for MD. The bug was introduced in this
cycle"
* tag 'md/4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
md: initialise ->writes_pending in personality modules.
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Pull block fixes from Jens Axboe:
"A set of fixes in the area of block IO, that should go into the next
-rc release. This contains:
- An OOPS fix from Dmitry, fixing a regression with the bio integrity
code in this series.
- Fix truncation of elevator io context cache name, from Eric
Biggers.
- NVMe pull from Christoph includes FC fixes from James, APST
fixes/tweaks from Kai-Heng, removal fix from Rakesh, and an RDMA
fix from Sagi.
- Two tweaks for the block throttling code. One from Joseph Qi,
fixing an oops from the timer code, and one from Shaohua, improving
the behavior on rotatonal storage.
- Two blk-mq fixes from Ming, fixing corner cases with the direct
issue code.
- Locking fix for bfq cgroups from Paolo"
* 'for-linus' of git://git.kernel.dk/linux-block:
block, bfq: access and cache blkg data only when safe
Fix loop device flush before configure v3
blk-throttle: set default latency baseline for harddisk
blk-throttle: fix NULL pointer dereference in throtl_schedule_pending_timer
nvme: relax APST default max latency to 100ms
nvme: only consider exit latency when choosing useful non-op power states
nvme-fc: fix missing put reference on controller create failure
nvme-fc: on lldd/transport io error, terminate association
nvme-rdma: fast fail incoming requests while we reconnect
nvme-pci: fix multiple ctrl removal scheduling
nvme: fix hang in remove path
elevator: fix truncation of icq_cache_name
blk-mq: fix direct issue
blk-mq: pass correct hctx to blk_mq_try_issue_directly
bio-integrity: Do not allocate integrity context for bio w/o data
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Intel, nouveau, rockchip, vmwgfx, imx, meson, mediatek and core fixes.
Bit more spread out fixes this time, fixes for 7 drivers + a couple of
core fixes.
i915 and vmwgfx are the main ones. The vmwgfx ones fix a bunch of
regressions in their atomic rework, and a few fixes destined for
stable. i915 has some 4.12 regressions and older things that need to
be fixed in stable as well.
nouveau also has some runtime pm fixes and a timer list handling fix,
otherwise a couple of core and small driver regression fixes"
* tag 'drm-fixes-for-v4.12-rc5' of git://people.freedesktop.org/~airlied/linux: (37 commits)
drm/i915: fix warning for unused variable
drm/meson: Fix driver bind when only CVBS is available
drm/i915: Fix 90/270 rotated coordinates for FBC
drm/i915: Restore has_fbc=1 for ILK-M
drm/i915: Workaround VLV/CHV DSI scanline counter hardware fail
drm/i915: Fix logical inversion for gen4 quirking
drm/i915: Guard against i915_ggtt_disable_guc() being invoked unconditionally
drm/i915: Always recompute watermarks when distrust_bios_wm is set, v2.
drm/i915: Prevent the system suspend complete optimization
drm/i915/psr: disable psr2 for resolution greater than 32X20
drm/i915: Hold a wakeref for probing the ring registers
drm/i915: Short-circuit i915_gem_wait_for_idle() if already idle
drm/i915: Disable decoupled MMIO
drm/i915/guc: Remove stale comment for q_fail
drm/vmwgfx: Bump driver minor and date
drm/vmwgfx: Remove unused legacy cursor functions
drm/vmwgfx: fix spelling mistake "exeeds" -> "exceeds"
drm/vmwgfx: Fix large topology crash
drm/vmwgfx: Make sure to update STDU when FB is updated
drm/vmwgfx: Make sure backup_handle is always valid
...
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fix from Juergen Gross:
"A fix for Xen on ARM when dealing with 64kB page size of a guest"
* tag 'for-linus-4.12b-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/privcmd: Support correctly 64KB page granularity when mapping memory
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The 5th generation Thinkpad X1 Carbons use Synaptics touchpads accessible
over SMBus/RMI, combined with ALPS or Elantech trackpoint devices instead
of classic IBM/Lenovo trackpoints. Unfortunately there is no way for ALPS
driver to detect whether it is dealing with touchpad + trackpoint
combination or just a trackpoint, so we end up with a "phantom" dualpoint
ALPS device in addition to real touchpad and trackpoint.
Given that we do not have any special advanced handling for ALPS or
Elantech trackpoints (unlike IBM trackpoints that have separate driver and
a host of options) we are better off keeping the trackpoints in PS/2
emulation mode. We achieve that by setting serio type to SERIO_PS_PSTHRU,
which will limit number of protocols psmouse driver will try. In addition
to getting rid of the "phantom" touchpads, this will also speed up probing
of F03 pass-through port.
Reported-by: Damjan Georgievski <gdamjan@gmail.com>
Suggested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Mostly fairly minor, of note are:
- Fix percpu allocations to be NUMA aware
- Limit 4k page size config to 64TB virtual address space
- Avoid needlessly restoring FP and vector registers
Thanks to Aneesh Kumar K.V, Breno Leitao, Christophe Leroy, Frederic
Barrat, Madhavan Srinivasan, Michael Bringmann, Nicholas Piggin,
Vaibhav Jain"
* tag 'powerpc-4.12-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/book3s64: Move PPC_DT_CPU_FTRs and enable it by default
powerpc/mm/4k: Limit 4k page size config to 64TB virtual address space
cxl: Fix error path on bad ioctl
powerpc/perf: Fix Power9 test_adder fields
powerpc/numa: Fix percpu allocations to be NUMA aware
cxl: Avoid double free_irq() for psl,slice interrupts
powerpc/kernel: Initialize load_tm on task creation
powerpc/kernel: Fix FP and vector register restoration
powerpc/64: Reclaim CPU_FTR_SUBCORE
powerpc/hotplug-mem: Fix missing endian conversion of aa_index
powerpc/sysdev/simple_gpio: Fix oops in gpio save_regs function
powerpc/spufs: Fix coredump of SPU contexts
powerpc/64s: Add dt_cpu_ftrs boot time setup option
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Been sitting on these for a couple of weeks waiting on some larger
batches to come in but it's been pretty quiet.
Just your garden variety fixes here:
- A few maintainers updates (ep93xx, Exynos, TI, Marvell)
- Some PM fixes for Atmel/at91 and Marvell
- A few DT fixes for Marvell, Versatile, TI Keystone, bcm283x
- A reset driver patch to set module license for symbol access"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
MAINTAINERS: EP93XX: Update maintainership
MAINTAINERS: remove kernel@stlinux.com obsolete mailing list
ARM: dts: versatile: use #include "..." to include local DT
MAINTAINERS: add device-tree files to TI DaVinci entry
ARM: at91: select CONFIG_ARM_CPU_SUSPEND
ARM: dts: keystone-k2l: fix broken Ethernet due to disabled OSR
arm64: defconfig: enable some core options for 64bit Rockchip socs
arm64: marvell: dts: fix interrupts in 7k/8k crypto nodes
reset: hi6220: Set module license so that it can be loaded
MAINTAINERS: add irqchip related drivers to Marvell EBU maintainers
MAINTAINERS: sort F entries for Marvell EBU maintainers
ARM: davinci: PM: Do not free useful resources in normal path in 'davinci_pm_init'
ARM: davinci: PM: Free resources in error handling path in 'davinci_pm_init'
ARM: dts: bcm283x: Reserve first page for firmware
memory: atmel-ebi: mark PM ops as __maybe_unused
MAINTAINERS: Remove Javier Martinez Canillas as reviewer for Exynos
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The inode destruction path for the 'dax' device filesystem incorrectly
assumes that the inode was initialized through 'alloc_dax()'. However,
if someone attempts to directly mount the dax filesystem with 'mount -t
dax dax mnt' that will bypass 'alloc_dax()' and the following failure
signatures may occur as a result:
kill_dax() must be called before final iput()
WARNING: CPU: 2 PID: 1188 at drivers/dax/super.c:243 dax_destroy_inode+0x48/0x50
RIP: 0010:dax_destroy_inode+0x48/0x50
Call Trace:
destroy_inode+0x3b/0x60
evict+0x139/0x1c0
iput+0x1f9/0x2d0
dentry_unlink_inode+0xc3/0x160
__dentry_kill+0xcf/0x180
? dput+0x37/0x3b0
dput+0x3a3/0x3b0
do_one_tree+0x36/0x40
shrink_dcache_for_umount+0x2d/0x90
generic_shutdown_super+0x1f/0x120
kill_anon_super+0x12/0x20
deactivate_locked_super+0x43/0x70
deactivate_super+0x4e/0x60
general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC
RIP: 0010:kfree+0x6d/0x290
Call Trace:
<IRQ>
dax_i_callback+0x22/0x60
? dax_destroy_inode+0x50/0x50
rcu_process_callbacks+0x298/0x740
ida_remove called for id=0 which is not allocated.
WARNING: CPU: 0 PID: 0 at lib/idr.c:383 ida_remove+0x110/0x120
[..]
Call Trace:
<IRQ>
ida_simple_remove+0x2b/0x50
? dax_destroy_inode+0x50/0x50
dax_i_callback+0x3c/0x60
rcu_process_callbacks+0x298/0x740
Add missing initialization of the 'struct dax_device' and inode so that
the destruction path does not kfree() or ida_simple_remove()
uninitialized data.
Fixes: 7b6be8444e0f ("dax: refactor dax-fs into a generic provider of 'struct dax_device' instances")
Reported-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Maniaxx reported a kernel boot crash in the EFI code, which I emulated
by using same invalid phys addr in code:
BUG: unable to handle kernel paging request at ffffffffff280001
IP: efi_bgrt_init+0xfb/0x153
...
Call Trace:
? bgrt_init+0xbc/0xbc
acpi_parse_bgrt+0xe/0x12
acpi_table_parse+0x89/0xb8
acpi_boot_init+0x445/0x4e2
? acpi_parse_x2apic+0x79/0x79
? dmi_ignore_irq0_timer_override+0x33/0x33
setup_arch+0xb63/0xc82
? early_idt_handler_array+0x120/0x120
start_kernel+0xb7/0x443
? early_idt_handler_array+0x120/0x120
x86_64_start_reservations+0x29/0x2b
x86_64_start_kernel+0x154/0x177
secondary_startup_64+0x9f/0x9f
There is also a similar bug filed in bugzilla.kernel.org:
https://bugzilla.kernel.org/show_bug.cgi?id=195633
The crash is caused by this commit:
7b0a911478c7 efi/x86: Move the EFI BGRT init code to early init code
The root cause is the firmware on those machines provides invalid BGRT
image addresses.
In a kernel before above commit BGRT initializes late and uses ioremap()
to map the image address. Ioremap validates the address, if it is not a
valid physical address ioremap() just fails and returns. However in current
kernel EFI BGRT initializes early and uses early_memremap() which does not
validate the image address, and kernel panic happens.
According to ACPI spec the BGRT image address should fall into
EFI_BOOT_SERVICES_DATA, see the section 5.2.22.4 of below document:
http://www.uefi.org/sites/default/files/resources/ACPI_6_1.pdf
Fix this issue by validating the image address in efi_bgrt_init(). If the
image address does not fall into any EFI_BOOT_SERVICES_DATA areas we just
bail out with a warning message.
Reported-by: Maniaxx <tripleshiftone@gmail.com>
Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Fixes: 7b0a911478c7 ("efi/x86: Move the EFI BGRT init code to early init code")
Link: http://lkml.kernel.org/r/20170609084558.26766-2-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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During an eeh call to cxl_remove can result in double free_irq of
psl,slice interrupts. This can happen if perst_reloads_same_image == 1
and call to cxl_configure_adapter() fails during slot_reset
callback. In such a case we see a kernel oops with following back-trace:
Oops: Kernel access of bad area, sig: 11 [#1]
Call Trace:
free_irq+0x88/0xd0 (unreliable)
cxl_unmap_irq+0x20/0x40 [cxl]
cxl_native_release_psl_irq+0x78/0xd8 [cxl]
pci_deconfigure_afu+0xac/0x110 [cxl]
cxl_remove+0x104/0x210 [cxl]
pci_device_remove+0x6c/0x110
device_release_driver_internal+0x204/0x2e0
pci_stop_bus_device+0xa0/0xd0
pci_stop_and_remove_bus_device+0x28/0x40
pci_hp_remove_devices+0xb0/0x150
pci_hp_remove_devices+0x68/0x150
eeh_handle_normal_event+0x140/0x580
eeh_handle_event+0x174/0x360
eeh_event_handler+0x1e8/0x1f0
This patch fixes the issue of double free_irq by checking that
variables that hold the virqs (err_hwirq, serr_hwirq, psl_virq) are
not '0' before un-mapping and resetting these variables to '0' when
they are un-mapped.
Cc: stable@vger.kernel.org
Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If more than one gpio bank has the "pwm" property, only one will be
registered successfully, all the others will fail with:
mvebu-gpio: probe of f1018140.gpio failed with error -17
That's because in alloc_pwms(), the chip->base (aka "int pwm"), was not
set (thus, ==0) ; and 0 is a meaningful start value in alloc_pwm().
What was intended is mvpwm->chip->base = -1.
Like that, the numbering will be done auto-magically
Moreover, as the region might be already occupied by another pwm, we
shouldn't force:
mvpwm->chip->base = 0
nor
mvpwm->chip->base = id * MVEBU_MAX_GPIO_PER_BANK;
Tested on clearfog-pro (Marvell 88F6828)
Fixes: 757642f9a584 ("gpio: mvebu: Add limited PWM support")
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The blink counter A was always selected because 0 was forced in the
blink select counter register.
The variable 'set' was obviously there to be used as the register value,
selecting the B counter when id==1 and A counter when id==0.
Tested on clearfog-pro (Marvell 88F6828)
Fixes: 757642f9a584 ("gpio: mvebu: Add limited PWM support")
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Reviewed-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://people.freedesktop.org/~thomash/linux into drm-fixes
A bunch of fixes for vmwgfx 4.12 regressions and older stuff. In the latter
case either trivial, cc'd stable or requiring backports for stable.
* 'vmwgfx-fixes-4.12' of git://people.freedesktop.org/~thomash/linux:
drm/vmwgfx: Bump driver minor and date
drm/vmwgfx: Remove unused legacy cursor functions
drm/vmwgfx: fix spelling mistake "exeeds" -> "exceeds"
drm/vmwgfx: Fix large topology crash
drm/vmwgfx: Make sure to update STDU when FB is updated
drm/vmwgfx: Make sure backup_handle is always valid
drm/vmwgfx: Handle vmalloc() failure in vmw_local_fifo_reserve()
drm/vmwgfx: Don't create proxy surface for cursor
drm/vmwgfx: limit the number of mip levels in vmw_gb_surface_define_ioctl()
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git://anongit.freedesktop.org/git/drm-intel into drm-fixes
drm/i915 fixes for v4.12-rc5
* tag 'drm-intel-fixes-2017-06-08' of git://anongit.freedesktop.org/git/drm-intel:
drm/i915: fix warning for unused variable
drm/i915: Fix 90/270 rotated coordinates for FBC
drm/i915: Restore has_fbc=1 for ILK-M
drm/i915: Workaround VLV/CHV DSI scanline counter hardware fail
drm/i915: Fix logical inversion for gen4 quirking
drm/i915: Guard against i915_ggtt_disable_guc() being invoked unconditionally
drm/i915: Always recompute watermarks when distrust_bios_wm is set, v2.
drm/i915: Prevent the system suspend complete optimization
drm/i915/psr: disable psr2 for resolution greater than 32X20
drm/i915: Hold a wakeref for probing the ring registers
drm/i915: Short-circuit i915_gem_wait_for_idle() if already idle
drm/i915: Disable decoupled MMIO
drm/i915/guc: Remove stale comment for q_fail
drm/i915: Serialize GTT/Aperture accesses on BXT
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git://anongit.freedesktop.org/git/drm-misc into drm-fixes
Driver Changes:
- kirin: Use correct dt port for the bridge (John)
- meson: Fix regression caused by adding HDMI support to allow board
configurations without HDMI (Neil)
Cc: John Stultz <john.stultz@linaro.org>
Cc: Neil Armstrong <narmstrong@baylibre.com>
* tag 'drm-misc-fixes-2017-06-07' of git://anongit.freedesktop.org/git/drm-misc:
drm/meson: Fix driver bind when only CVBS is available
drm: kirin: Fix drm_of_find_panel_or_bridge conversion
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https://github.com/ckhu-mediatek/linux.git-tags into drm-fixes
mediatek fixes
* 'mediatek-drm-fixes-4.12-rc1' of https://github.com/ckhu-mediatek/linux.git-tags:
drm/mediatek: fix mtk_hdmi_setup_vendor_specific_infoframe mistake
drm/mediatek: fix a timeout loop
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git://git.pengutronix.de/git/pza/linux into drm-fixes
imx-drm: PRE clock gating, panelless LDB, and VDIC CSI selection fixes
- Keep the external clock input to the PRE ungated and only use the internal
soft reset to keep the module in low power state, to avoid sporadic startup
failures.
- Ignore -ENODEV return values from drm_of_find_panel_or_bridge in the LDB
driver to fix probing for devices that still do not specify a panel in the
device tree.
- Fix the CSI input selection to the VDIC. According to experiments, the real
behaviour differs a bit from the documentation.
* tag 'imx-drm-fixes-2017-06-08' of git://git.pengutronix.de/git/pza/linux:
gpu: ipu-v3: Fix CSI selection for VDIC
drm/imx: imx-ldb: Accept drm_of_find_panel_or_bridge failure
gpu: ipu-v3: pre: only use internal clock gating
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These revert one problematic commit related to system sleep and fix
one recent intel_pstate regression.
Specifics:
- Revert a recent commit that attempted to avoid spurious wakeups
from suspend-to-idle via ACPI SCI, but introduced regressions on
some systems (Rafael Wysocki).
We will get back to the problem it tried to address in the next
cycle.
- Fix a possible division by 0 during intel_pstate initialization
due to a missing check (Rafael Wysocki)"
* tag 'pm-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI / sleep: Ignore spurious SCI wakeups from suspend-to-idle"
cpufreq: intel_pstate: Avoid division by 0 in min_perf_pct_min()
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* intel_pstate:
cpufreq: intel_pstate: Avoid division by 0 in min_perf_pct_min()
* pm-sleep:
Revert "ACPI / sleep: Ignore spurious SCI wakeups from suspend-to-idle"
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Christoph writes:
"A few NVMe fixes for 4.12-rc, PCIe reset fixes and APST fixes, a
RDMA reconnect fix, two FC fixes and a general controller removal fix."
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|
drivers/gpu/drm/i915/intel_engine_cs.c: In function ‘intel_engine_is_idle’:
drivers/gpu/drm/i915/intel_engine_cs.c:1103:27: error: unused variable ‘dev_priv’ [-Werror=unused-variable]
struct drm_i915_private *dev_priv = engine->i915;
^~~~~~~~
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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While installing SLES-12 (based on v4.4), I found that the installer
will stall for 60+ seconds during LVM disk scan. The root cause was
determined to be the removal of a bound device check in loop_flush()
by commit b5dd2f6047ca ("block: loop: improve performance via blk-mq").
Restoring this check, examining ->lo_state as set by loop_set_fd()
eliminates the bad behavior.
Test method:
modprobe loop max_loop=64
dd if=/dev/zero of=disk bs=512 count=200K
for((i=0;i<4;i++))do losetup -f disk; done
mkfs.ext4 -F /dev/loop0
for((i=0;i<4;i++))do mkdir t$i; mount /dev/loop$i t$i;done
for f in `ls /dev/loop[0-9]*|sort`; do \
echo $f; dd if=$f of=/dev/null bs=512 count=1; \
done
Test output: stock patched
/dev/loop0 18.1217e-05 8.3842e-05
/dev/loop1 6.1114e-05 0.000147979
/dev/loop10 0.414701 0.000116564
/dev/loop11 0.7474 6.7942e-05
/dev/loop12 0.747986 8.9082e-05
/dev/loop13 0.746532 7.4799e-05
/dev/loop14 0.480041 9.3926e-05
/dev/loop15 1.26453 7.2522e-05
Note that from loop10 onward, the device is not mounted, yet the
stock kernel consumes several orders of magnitude more wall time
than it does for a mounted device.
(Thanks for Mike Galbraith <efault@gmx.de>, give a changelog review.)
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: James Wang <jnwang@suse.com>
Fixes: b5dd2f6047ca ("block: loop: improve performance via blk-mq")
Signed-off-by: Jens Axboe <axboe@fb.com>
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Fix error path if we can't copy user structure on CXL_IOCTL_START_WORK
ioctl. We shouldn't unlock the context status mutex as it was not
locked (yet).
Fixes: 0712dc7e73e5 ("cxl: Fix issues when unmapping contexts")
Cc: stable@vger.kernel.org # v3.19+
Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Reviewed-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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It's possible that get_random_{u32,u64} is used before the crng has
initialized, in which case, its output might not be cryptographically
secure. For this problem, directly, this patch set is introducing the
*_wait variety of functions, but even with that, there's a subtle issue:
what happens to our batched entropy that was generated before
initialization. Prior to this commit, it'd stick around, supplying bad
numbers. After this commit, we force the entropy to be re-extracted
after each phase of the crng has initialized.
In order to avoid a race condition with the position counter, we
introduce a simple rwlock for this invalidation. Since it's only during
this awkward transition period, after things are all set up, we stop
using it, so that it doesn't have an impact on performance.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org # v4.11+
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Linus pointed out that there is a much more efficient way of avoiding
the problem that we were trying to address in commit 9dfa7bba35ac0:
"fix race in drivers/char/random.c:get_reg()".
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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The Lifebook E546 and E557 touchpad were also not functioning and
worked after running:
echo "1" > /sys/devices/platform/i8042/serio2/crc_enabled
Add them to the list of machines that need this workaround.
Signed-off-by: Ulrik De Bie <ulrik.debie-os@e2big.org>
Reviewed-by: Arjan Opmeer <arjan@opmeer.net>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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While introducing HDMI support, component matching on connectors node
were bypassed since no driver would actually bind on the DT node.
But when only a CVBS connector is present, only a single node is found
in the graph, but ignored and a NULL match table is given to the
component code.
This code permits bypassing the components framework by binding directly
the DRM driver when no components needs to be loaded.
Fixes: a41e82e6c457 ("drm/meson: Add support for components")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1496067352-8733-1-git-send-email-narmstrong@baylibre.com
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The clipped src coordinates have already been rotated by 270 degrees for
when the plane rotation is 90/270 degrees, hence the FBC code should no
longer swap the width and height.
Cc: stable@vger.kernel.org
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Fixes: b63a16f6cd89 ("drm/i915: Compute display surface offset in the plane check hook for SKL+")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170331180056.14086-4-ville.syrjala@linux.intel.com
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
(cherry picked from commit 73714c05df97d7527e7eaaa771472ef2ede46fa3)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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