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Fixes the following sparse warning:
drivers/gpu/drm/drm_atomic_helper.c:1360:6: warning:
symbol 'release_crtc_commit' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170112142157.14684-1-weiyj.lk@gmail.com
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Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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A bugfix added a new local variable that is only used inside of an #ifdef
section, and unused if CONFIG_PERF_EVENTS is disabled:
arch/arm/mach-imx/mmdc.c:63:25: warning: 'cpuhp_mmdc_state' defined but not used [-Wunused-variable]
This moves the variable down inside that same ifdef.
Fixes: a051f220d6b9 ("ARM/imx/mmcd: Fix broken cpu hotplug handling")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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- Added the new device ID
- Added new pll algorithm
Signed-off-by: Mathieu Larouche <mathieu.larouche@matrox.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://people.freedesktop.org/~gabbayo/linux into drm-next
two amdkfd patches.
* tag 'drm-amdkfd-next-2017-01-16' of git://people.freedesktop.org/~gabbayo/linux:
drm/amdkfd: fix improper return value on error
amdkfd: fix spelling mistake in kfd_ioctl_dbg_unrgesiter
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-next
omapdrm changes for 4.11
The main change here is the IRQ code cleanup, which gives us properly working
vblank counts and timestamps. We also get much less calls to runtime PM gets &
puts.
* tag 'omapdrm-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (26 commits)
drm/omap: panel-sony-acx565akm.c: Add MODULE_ALIAS
drm/omap: dsi: fix compile errors when enabling debug prints
drm: omapdrm: Perform initialization/cleanup at probe/remove time
drm: Move vblank cleanup from unregister to release
drm: omapdrm: Use sizeof(*var) instead of sizeof(type) for structures
drm: omapdrm: Remove global variables
drm: omapdrm: Simplify IRQ wait implementation
drm: omapdrm: Inline the pipe2vbl function
drm: omapdrm: Don't call DISPC power handling in IRQ wait functions
drm: omapdrm: Remove unused parameter from omap_drm_irq handler
drm: omapdrm: Don't expose the omap_irq_(un)register() functions
drm: omapdrm: Keep vblank interrupt enabled while CRTC is active
drm: omapdrm: Use a spinlock to protect the CRTC pending flag
drm: omapdrm: Prevent processing the same event multiple times
drm: omapdrm: Check the CRTC software state at enable/disable time
drm: omapdrm: Let the DRM core skip plane commit on inactive CRTCs
drm: omapdrm: Replace DSS manager state check with omapdrm CRTC state
drm: omapdrm: Handle OCP error IRQ directly
drm: omapdrm: Handle CRTC error IRQs directly
drm: omapdrm: Handle FIFO underflow IRQs internally
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drm-next
stih410 cleanup, create fbdev at binding, HQVDP fixes.
* tag 'sti-drm-next-2017-01-06' of https://github.com/vinceab/linux:
drm/sti: sti_vtg: Handle return NULL error from devm_ioremap_nocache
drm/sti: remove deprecated sti_vtac.c file
drm/sti: create fbdev at binding
drm/sti: update fps debugfs entries
drm/sti: do not post HQVDP command if no update
drm/sti: load XP70 firmware only once
drm/sti: allow audio playback on HDMI even if disabled.
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drm-qemu: virtio sparse fix, MAINTAINERS updates.
* tag 'drm-qemu-20170110' of git://git.kraxel.org/linux:
drm: flip cirrus driver status to "obsolete".
drm: update MAINTAINERS for qemu drivers (bochs, cirrus, qxl, virtio-gpu)
drm/virtio: fix framebuffer sparse warning
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into drm-fixes
a single fix for a FE hang after IOVA rollover on GC3000. This isn't
pretty, but is the minimal fix for the issue. A larger rework of the
code, that will also fix this issue properly, is currently in the works,
but that needs to wait for at least the next feature pull.
* 'drm-etnaviv-fixes' of https://git.pengutronix.de/git/lst/linux:
drm/etnaviv: trick drm_mm into giving out a low IOVA
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Just regression fixups to resolve page fault issue of DECON device.
* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos/decon5433: set STANDALONE_UPDATE_F on output enablement
drm/exynos/decon5433: fix CMU programming
drm/exynos/decon5433: do not disable video after reset
drm/exynos/decon5433: set STANDALONE_UPDATE_F also if planes are disabled
drm/exynos/decon5433: update shadow registers iff there are active windows
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into drm-fixes
A little bigger than usual since it's two weeks worth. Highlights:
- Add support for new smc firmware on some new hainan variants
- add support for SI chips that require special mc firmware
- remove workarounds for issues fixed by new mc firmware
- fix a regression in cursor handling
- various VCE fixes
- fix for UVD clockgating
* 'drm-fixes-4.10' of git://people.freedesktop.org/~agd5f/linux:
drm/amdgpu: add support for new hainan variants
drm/radeon: add support for new hainan variants
drm/amdgpu: change clock gating mode for uvd_v4.
drm/amdgpu: fix program vce instance logic error.
drm/amdgpu: fix bug set incorrect value to vce register
Revert "drm/amdgpu: Only update the CUR_SIZE register when necessary"
drm/amd/powerplay: refine vce dpm update code on Cz.
drm/amdgpu: fix vm_fault_stop on gfx6
drm/amd/powerplay: fix vce cg logic error on CZ/St.
drm/radeon: drop the mclk quirk for hainan
drm/radeon: drop oland quirks
drm/amdgpu: drop the mclk quirk for hainan
drm/amdgpu: drop oland quirks
drm/amdgpu/si: load special ucode for certain MC configs
drm/radeon/si: load special ucode for certain MC configs
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git://people.freedesktop.org/~robclark/linux into drm-fixes
* 'msm-fixes-4.10-rc4' of git://people.freedesktop.org/~robclark/linux:
drm/msm: fix potential null ptr issue in non-iommu case
drm/msm/mdp5: rip out plane->pending tracking
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git://anongit.freedesktop.org/git/drm-misc into drm-fixes
A few more core fixes.
* tag 'drm-misc-fixes-2017-01-13' of git://anongit.freedesktop.org/git/drm-misc:
drm/probe-helpers: Drop locking from poll_enable
drm: Fix broken VT switch with video=1366x768 option
drm: Schedule the output_poll_work with 1s delay if we have delayed event
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git://anongit.freedesktop.org/git/drm-intel into drm-fixes
More GVT-g stuff than I'd like at this stage, but then again that's
pretty new and isolated so I'm not too worried.
* tag 'drm-intel-fixes-2017-01-19' of git://anongit.freedesktop.org/git/drm-intel: (26 commits)
drm/i915: Ignore bogus plane coordinates on SKL when the plane is not visible
drm/i915: Remove WaDisableLSQCROPERFforOCL KBL workaround.
drm/i915/gvt: rewrite gt reset handler using new function intel_gvt_reset_vgpu_locked
drm/i915/gvt: fix vGPU instance reuse issues by vGPU reset function
drm/i915/gvt: introduce intel_vgpu_reset_mmio() to reset mmio space
drm/i915/gvt: move mmio init/clean function to mmio.c
drm/i915/gvt: introduce intel_vgpu_reset_cfg_space to reset configuration space
drm/i915/gvt: move cfg space inititation function to cfg_space.c
drm/i915/gvt: introuduce intel_vgpu_reset_gtt() to reset gtt
drm/i915/gvt: introudce intel_vgpu_reset_resource() to reset vgpu resource state
drm/i915: Fix phys pwrite for struct_mutex-less operation
drm/i915: Clear ret before unbinding in i915_gem_evict_something()
drm/i915/gvt: cleanup GFP flags
drm/i915/gvt/kvmgt: return meaningful error for vgpu creating failure
drm/i915/gvt: cleanup opregion memory allocation code
drm/i915/gvt: destroy the allocated idr on vgpu creating failures
drm/i915/gvt: init/destroy vgpu_idr properly
drm/i915/gvt: dec vgpu->running_workload_num after the workload is really done
drm/i915/gvt: fix use after free for workload
drm/i915/gvt: remove duplicated definition
...
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Tom Lendacky says:
====================
amd-xgbe: AMD XGBE driver fixes 2017-01-20
This patch series addresses some issues in the AMD XGBE driver.
The following fixes are included in this driver update series:
- Add a fix for a version of the hardware that uses different register
offset values for a device with the same PCI device ID
- Add support to check the return code from the xgbe_init() function
This patch series is based on net.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The xgbe_init() routine returns a return code indicating success or
failure, but the return code is not checked. Add code to xgbe_init()
to issue a message when failures are seen and add code to check the
xgbe_init() return code.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A newer version of the hardware is using the same PCI ids for the network
device but has altered register definitions for determining the window
settings for the indirect PCS access. Add support to check for this
hardware and if found use the new register values.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Thomas Gleixner:
"Restore the retrigger callbacks in the IO APIC irq chips. That
addresses a long standing regression which got introduced with the
rewrite of the x86 irq subsystem two years ago and went unnoticed so
far"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ioapic: Restore IO-APIC irq_chip retrigger callback
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull smp/hotplug fix from Thomas Gleixner:
"Remove an unused variable which is a leftover from the notifier
removal"
* 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu/hotplug: Remove unused but set variable in _cpu_down()
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Pull virtio/vhost fixes from Michael Tsirkin:
"Random fixes and cleanups that accumulated over the time"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio/s390: virtio: constify virtio_config_ops structures
virtio/s390: add missing \n to end of dev_err message
virtio/s390: support READ_STATUS command for virtio-ccw
tools/virtio/ringtest: tweaks for s390
tools/virtio/ringtest: fix run-on-all.sh for offline cpus
virtio_console: fix a crash in config_work_handler
vhost/scsi: silence uninitialized variable warning
vhost: scsi: constify target_core_fabric_ops structures
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git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management fixes from Zhang Rui:
- fix a regression that thermal zone dynamically allocated sysfs
attributes are freed before they're removed, which is introduced in
4.10-rc1 (Jacob von Chorus)
- fix a boot warning because deprecated hwmon API is used (Fabio
Estevam)
- a couple of fixes for rockchip thermal driver (Brian Norris, Caesar
Wang)
* 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
thermal: rockchip: fixes the conversion table
thermal: core: move tz->device.groups cleanup to thermal_release
thermal: thermal_hwmon: Convert to hwmon_device_register_with_info()
thermal: rockchip: handle set_trips without the trip points
thermal: rockchip: optimize the conversion table
thermal: rockchip: fixes invalid temperature case
thermal: rockchip: don't pass table structs by value
thermal: rockchip: improve conversion error messages
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The DHT22 (AM2302) datasheet specifies that the LOW start pulse should not
exceed 20ms. However, observations with an oscilloscope of an RPi Model 2B
(rev 1.1) communicating with a DHT22 sensor showed that the driver was
consistently sending start pulses longer than 20ms:
Kernel 4.7.10-v7+ (n=132):
Minimum pulse length: 20.20ms
Maximum: 29.84ms
Mean: 24.96ms
StDev: 2.82ms
Sensor response rate: 100%
Read success rate: 76%
On kernel 4.8, the start pulse was so long that the sensor would not even
respond 97% of the time:
Kernel 4.8.16-v7+ (n=100):
Minimum pulse length: 30.4ms
Maximum: 74.4ms
Mean: 39.3ms
StDev: 10.2ms
Sensor response rate: 3%
Read success rate: 3%
The driver would return ETIMEDOUT and write log messages like this:
[ 51.430987] dht11 dht11@0: Only 1 signal edges detected
[ 66.311019] dht11 dht11@0: Only 0 signal edges detected
Replacing msleep(18) with usleep_range(18000, 20000) made the pulse length
sane again and restored responsiveness:
Kernel 4.8.16-v7+ with usleep_range (n=123):
Minimum pulse length: 18.16ms
Maximum: 20.20ms
Mean: 19.85ms
StDev: 0.51ms
Sensor response rate: 100%
Read success rate: 84%
Cc: stable@vger.kernel.org
Signed-off-by: John Brooks <john@fastquake.com>
Reviewed-by: Harald Geyer <harald@ccbib.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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On Ideapad laptops, ACPI event 1 is currently not handled. Many models
log "ideapad_laptop: Unknown event: 1" every 20 seconds or so while
running on battery power. Some convertible laptops receive this event
when switching in and out of tablet mode.
This adds and additional case for event 1 in ideapad_acpi_notify to call
ideapad_input_report(priv, vpc_bit), so that the event is reported to
userspace and we avoid unnecessary logging.
Fixes bug #107481 (https://bugzilla.kernel.org/show_bug.cgi?id=107481)
Fixes bug #65751 (https://bugzilla.kernel.org/show_bug.cgi?id=65751)
Signed-off-by: Zach Ploskey <zach@ploskey.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a few small USB fixes for 4.10-rc5.
Most of these are gadget/dwc2 fixes for reported issues, all of these
have been in linux-next for a while. The last one is a single xhci
WARN_ON removal to handle an issue that the dwc3 driver is hitting in
the 4.10-rc tree. The warning is harmless and needs to be removed, and
a "real" fix that is more complex will show up in 4.11-rc1 for this
device.
That last patch hasn't been in linux-next yet due to the weekend
timing, but it's a "simple" WARN_ON() removal so what could go wrong?
:)"
Famous last words.
* tag 'usb-4.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
xhci: remove WARN_ON if dma mask is not set for platform devices
usb: dwc2: host: fix Wmaybe-uninitialized warning
usb: dwc2: gadget: Fix GUSBCFG.USBTRDTIM value
usb: gadget: udc: atmel: remove memory leak
usb: dwc3: exynos fix axius clock error path to do cleanup
usb: dwc2: Avoid suspending if we're in gadget mode
usb: dwc2: use u32 for DT binding parameters
usb: gadget: f_fs: Fix iterations on endpoints.
usb: dwc2: gadget: Fix DMA memory freeing
usb: gadget: composite: Fix function used to free memory
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"Two fixes:
- a regression fix for the multiple-pmem-namespace-per-region support
added in 4.9. Even if an existing environment is not using that
feature the act of creating and a destroying a single namespace
with the ndctl utility will lead to the proliferation of extra
unwanted namespace devices.
- a fix for the error code returned from the pmem driver when the
memcpy_mcsafe() routine returns -EFAULT. Btrfs seems to be the only
block I/O consumer that tries to parse the meaning of the error
code when it is non-zero.
Neither of these fixes are critical, the namespace leak is awkward in
that it can cause device naming to change and complicates debugging
namespace initialization issues. The error code fix is included out of
caution for what other consumers might be expecting -EIO for block I/O
errors"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm, namespace: fix pmem namespace leak, delete when size set to zero
pmem: return EIO on read_pmem() failure
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"One fix for Samsung Exynos524x SoCs where recent IOMMU patches have
caused some of these clocks to turn off when they were always left on
before"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk/samsung: exynos542x: mark some clocks as critical
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
- more intc updates [Yuriv]
- fix module build when unwinder is turned off
- IO Coherency Programming model updates
- other miscellaneous
* tag 'arc-4.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: Revert "ARC: mm: IOC: Don't enable IOC by default"
ARC: mm: split arc_cache_init to allow __init reaping of bulk
ARCv2: IOC: Use actual memory size to setup aperture size
ARCv2: IOC: Adhere to progamming model guidelines to avoid DMA corruption
ARCv2: IOC: refactor the IOC and SLC operations into own functions
ARC: module: Fix !CONFIG_ARC_DW2_UNWIND builds
ARCv2: save r30 on kernel entry as gcc uses it for code-gen
ARCv2: IRQ: Call entry/exit functions for chained handlers in MCIP
ARC: IRQ: Use hwirq instead of virq in mask/unmask
ARC: mmu: clarify the MMUv3 programming model
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Two fixes for fallout from the hugetlb changes we merged this cycle.
Ten other fixes, four only affect Power9, and the rest are a bit of a
mixture though nothing terrible.
Thanks to: Aneesh Kumar K.V, Anton Blanchard, Benjamin Herrenschmidt,
Dave Martin, Gavin Shan, Madhavan Srinivasan, Nicholas Piggin, Reza
Arbab"
* tag 'powerpc-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc: Ignore reserved field in DCSR and PVR reads and writes
powerpc/ptrace: Preserve previous TM fprs/vsrs on short regset write
powerpc/ptrace: Preserve previous fprs/vsrs on short regset write
powerpc/perf: Use MSR to report privilege level on P9 DD1
selftest/powerpc: Wrong PMC initialized in pmc56_overflow test
powerpc/eeh: Enable IO path on permanent error
powerpc/perf: Fix PM_BRU_CMPL event code for power9
powerpc/mm: Fix little-endian 4K hugetlb
powerpc/mm/hugetlb: Don't panic when we don't find the default huge page size
powerpc: Fix pgtable pmd cache init
powerpc/icp-opal: Fix missing KVM case and harden replay
powerpc/mm: Fix memory hotplug BUG() on radix
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The suspend/resume functions were using dev_to_iio_dev() to get
the iio_dev. That only works on IIO dev's. Use dev_get_drvdata()
for a platform device to get the correct iio_dev.
Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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FIFO was being read every sample after the "almost full" state was
reached. This was due to an incorrect placement of the parenthesis
in the while condition check.
Note - the fixes tag is not actually correct, but the fix in this patch
would also be needed for it to function correctly so we'll go with that
one. Backports should pick up both.
Signed-off-by: Matt Ranostay <matt@ranostay.consulting>
Fixes: b74fccad7 ("iio: health: max30100: correct FIFO check condition")
Cc: Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The suspend/resume functions were using dev_to_iio_dev() to get
the iio_dev. That only works on IIO dev's. Replace it with i2c
functions to get the correct iio_dev.
Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Acked-by: Andrew F. Davis <afd@ti.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The suspend/resume functions were using dev_to_iio_dev() to get
the iio_dev. That only works on IIO dev's. Replace it with spi
functions to get the correct iio_dev.
Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Acked-by: Andrew F. Davis <afd@ti.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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A recent firmware change seems to have enabled thermal zones on the
iwlwifi driver. Unfortunately, my device fails when registering the
thermal zone. This doesn't stop the driver from attempting to unregister
the thermal zone at unload time, triggering a NULL pointer deference in
strlen() off the thermal_zone_device_unregister() path.
Don't unregister if name is NULL, for that case we failed registering.
Do the same for the cooling zone.
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The call went away in:
commit 3b16525cc4c1a43e9053cfdc414356eea24bdfad
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu Aug 4 16:32:25 2016 +0100
drm/i915: Split insertion/binding of an object into the VM
It is useful to have this trace as it pairs nicely with the vma_unbind
one to track vma activity.
Added inside the i915_vma_bind function (was outside before) to keep a
similar placement as trace_i915_vma_unbind.
v2: print bind_flags instead of flags (Chris)
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1484949083-11430-1-git-send-email-daniele.ceraolospurio@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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VMA (and their objects) are supposed to composed of whole pages. Add an
assert to catch any invalid construct when we create the VMA.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170119192659.31789-6-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Before moving the vma between the VM active/inactive lists, assert that
the node is still allocated.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170119192659.31789-5-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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When pinning into the global GTT, an error from creating the VMA is
unlikely, so mark it so.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170119192659.31789-4-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Disallow creation of a vma that is larger than the available address
space, or triggers an overflow on fence expansion.
Testcase: igt/gem_exec_reloc/gtt-32
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170119192659.31789-3-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Now that i915_gem_object_bump_inactive_ggtt() exists, also make use of
it for the LRU bumping from i915_gem_object_unpin_from_display()
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170119192659.31789-2-chris@chris-wilson.co.uk
Reviewed-by: Jonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Since a change in cache level is likely to trigger an unbind, avoid
waiting under the mutex by preemptively doing an unlocked wait.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170119082211.21257-1-chris@chris-wilson.co.uk
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
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In the case of a graceful set of detaches, where the virtio-scsi-ccw
disk is removed from the guest prior to the controller, the guest
behaves quite normally. Specifically, the detach gets us into
sd_sync_cache to issue a Synchronize Cache(10) command, which
immediately fails (and is retried a couple of times) because the device
has been removed. Later, the removal of the controller sees two CRWs
presented, but there's no further indication of the removal from the
guest viewpoint.
[ 17.217458] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[ 17.219257] sd 0:0:0:0: [sda] Synchronize Cache(10) failed: Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[ 21.449400] crw_info : CRW reports slct=0, oflw=0, chn=1, rsc=3, anc=0, erc=4, rsid=2
[ 21.449406] crw_info : CRW reports slct=0, oflw=0, chn=0, rsc=3, anc=0, erc=4, rsid=0
However, on s390, the SCSI disks can be removed "by surprise" when an
entire controller (host) is removed and all associated disks are removed
via the loop in scsi_forget_host. The same call to sd_sync_cache is
made, but because the controller has already been removed, the
Synchronize Cache(10) command is neither issued (and then failed) nor
rejected.
That the I/O isn't returned means the guest cannot have other devices
added nor removed, and other tasks (such as shutdown or reboot) issued
by the guest will not complete either. The virtio ring has already been
marked as broken (via virtio_break_device in virtio_ccw_remove), but we
still attempt to queue the command only to have it remain there. The
calling sequence provides a bit of distinction for us:
virtscsi_queuecommand()
-> virtscsi_kick_cmd()
-> virtscsi_add_cmd()
-> virtqueue_add_sgs()
-> virtqueue_add()
if success
return 0
elseif vq->broken or vring_mapping_error()
return -EIO
else
return -ENOSPC
A return of ENOSPC is generally a temporary condition, so returning
"host busy" from virtscsi_queuecommand makes sense here, to have it
redriven in a moment or two. But the EIO return code is more of a
permanent error and so it would be wise to return the I/O itself and
allow the calling thread to finish gracefully. The result is these four
kernel messages in the guest (the fourth one does not occur prior to
this patch):
[ 22.921562] crw_info : CRW reports slct=0, oflw=0, chn=1, rsc=3, anc=0, erc=4, rsid=2
[ 22.921580] crw_info : CRW reports slct=0, oflw=0, chn=0, rsc=3, anc=0, erc=4, rsid=0
[ 22.921978] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[ 22.921993] sd 0:0:0:0: [sda] Synchronize Cache(10) failed: Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
I opted to fill in the same response data that is returned from the more
graceful device detach, where the disk device is removed prior to the
controller device.
Signed-off-by: Eric Farman <farman@linux.vnet.ibm.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
starts refusing misconfigured interrupt handlers. This makes
intel_mid_powerbtn not working anymore.
Add a mandatory flag to a threaded IRQ request in the driver.
Fixes: 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The patch 3dda3b3798f9: "platform/x86: Add custom surface3 platform
device for controlling LID" from Nov 25, 2016, leads to the following
static checker warning:
drivers/platform/x86/surface3-wmi.c:168 s3_wmi_check_platform_device()
error: uninitialized symbol 'ts_adev'.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The newly added driver guards its "resume" callback with an
warning in some configurations:
drivers/platform/x86/surface3-wmi.c:248:12: error: 's3_wmi_resume' defined but not used [-Werror=unused-function]
Using a __maybe_unused annotation without an #ifdef avoids the mistake more
reliably.
Fixes: 3dda3b3798f9 ("platform/x86: Add custom surface3 platform device for controlling LID")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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There is an off-by-one error so we don't unregister priv->pdev_mux[0].
Also it's slightly simpler as a while loop instead of a for loop.
Fixes: 58cbbee2391c ("x86/platform/mellanox: Introduce support for Mellanox systems platform")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Pull KVM fixes from Radim Krčmář:
"ARM:
- Fix for timer setup on VHE machines
- Drop spurious warning when the timer races against the vcpu running
again
- Prevent a vgic deadlock when the initialization fails (for stable)
s390:
- Fix a kernel memory exposure (for stable)
x86:
- Fix exception injection when hypercall instruction cannot be
patched"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: s390: do not expose random data via facility bitmap
KVM: x86: fix fixing of hypercalls
KVM: arm/arm64: vgic: Fix deadlock on error handling
KVM: arm64: Access CNTHCTL_EL2 bit fields correctly on VHE systems
KVM: arm/arm64: Fix occasional warning from the timer work function
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git://git.kernel.org/pub/scm/linux/kernel/git/bvanassche/linux
Pull SCSI target fixes from Bart Van Assche:
- two small fixes for the ibmvscsis driver
- ten patches with bug fixes for the target mode of the qla2xxx driver
- four patches that avoid that the "sparse" and "smatch" static
analyzer tools report false positives for the qla2xxx code base
* 'scsi-target-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/bvanassche/linux:
qla2xxx: Disable out-of-order processing by default in firmware
qla2xxx: Fix erroneous invalid handle message
qla2xxx: Reduce exess wait during chip reset
qla2xxx: Terminate exchange if corrupted
qla2xxx: Fix crash due to null pointer access
qla2xxx: Collect additional information to debug fw dump
qla2xxx: Reset reserved field in firmware options to 0
qla2xxx: Set tcm_qla2xxx version to automatically track qla2xxx version
qla2xxx: Include ATIO queue in firmware dump when in target mode
qla2xxx: Fix wrong IOCB type assumption
qla2xxx: Avoid that building with W=1 triggers complaints about set-but-not-used variables
qla2xxx: Move two arrays from header files to .c files
qla2xxx: Declare an array with file scope static
qla2xxx: Fix indentation
ibmvscsis: Fix sleeping in interrupt context
ibmvscsis: Fix max transfer length
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Pull block fixes from Jens Axboe:
"Just two small fixes for this -rc.
One is just killing an unused variable from Keith, but the other
fixes a performance regression for nbd in this series, where we
inadvertently flipped when we set MSG_MORE when outputting data"
* 'for-linus' of git://git.kernel.dk/linux-block:
nbd: only set MSG_MORE when we have more to send
blk-mq: Remove unused variable
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"The usual small smattering of driver specific fixes. A few bits that
stand out here:
- the R-Car patches adding fallbacks are just adding new compatible
strings to the driver so that device trees are written in a more
robustly future proof fashion, this isn't strictly a fix but it's
just new IDs and it's better to get it into mainline sooner to
improve the ABI
- the DesignWare "switch to new API part 2" patch is actually a
misleadingly titled fix for a bit that got missed in the original
conversion"
* tag 'spi-fix-v4.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: davinci: use dma_mapping_error()
spi: spi-axi: Free resources on error path
spi: pxa2xx: add missed break
spi: dw-mid: switch to new dmaengine_terminate_* API (part 2)
spi: dw: Make debugfs name unique between instances
spi: sh-msiof: Do not use C++ style comment
spi: armada-3700: Set mode bits correctly
spi: armada-3700: fix unsigned compare than zero on irq
spi: sh-msiof: Add R-Car Gen 2 and 3 fallback bindings
spi: SPI_FSL_DSPI should depend on HAS_DMA
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