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Pull more ACPI updates from Rafael Wysocki:
"These fix a couple of issues and do some cleanups on top of the
previous ACPI changes for 5.1-rc1.
Specifics:
- Fix a crash caused by unloading an SSDT overlay (Andy Shevchenko)
- Prevent user space from getting confusing error values on failing
ACPI sysfs accesses (Rafael Wysocki)
- Simplify leaf node detection in the PPTT parsing code by using a
new flag defined in ACPI 6.3 (Jeremy Linton)
- Add missing "static" in some places in the ACPI configfs code (Andy
Shevchenko)
- Fix acpidbg tool path in the ACPI documentation (Flavio Suligoi)"
* tag 'acpi-5.1-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: sysfs: Prevent get_status() from returning acpi_status
ACPI / device_sysfs: Avoid OF modalias creation for removed device
ACPI / configfs: Mark local data structures static
ACPI / configfs: Mark local functions static
ACPI: tables: Simplify PPTT leaf node detection
ACPI: Documentation: Fix path for acpidbg tool
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Pull clk subsystem updates from Stephen Boyd:
"We have a fairly balanced mix of clk driver updates and clk framework
updates this time around. It's the usual pile of new drivers for new
hardware out there and the normal small fixes and updates, but then we
have some core framework changes too.
In the core framework, we introduce support for a clk_get_optional()
API to get clks that may not always be populated and a way to devm
manage clkdev lookups registered by provider drivers. We also do some
refactoring to simplify the interface between clkdev and the common
clk framework so we can reuse the DT parsing and clk_get() path in
provider drivers in the future. This work will continue in the next
few cycles while we convert how providers specify clk parents.
On the driver side, the biggest part of the dirstat is the Amlogic clk
driver that got support for the G12A SoC. It dominates with almost
half the overall diff, while the second largest part of the diff is in
the i.MX clk driver that gained support for imx8mm SoCs. After that,
we have the Actions Semiconductor and Qualcomm drivers rounding out
the big part of the dirstat because they both got new hardware support
for SoCs. The rest is just various updates and non-critical fixes for
existing drivers.
Core:
- Convert a few clk bindings to JSON schema format
- Add a {devm_}clk_get_optional() API
- Add devm_clk_hw_register_clkdev() API to manage clkdev lookups
- Start rewriting clk parent registration and supporting device links
by moving around code that supports clk_get() and DT parsing of the
'clocks' property
New Drivers:
- Add Qualcomm MSM8998 RPM managed clks
- IPA clk support on Qualcomm RPMh clk controllers
- Actions Semi S500 SoC clk support
- Support for fixed rate clks populated from an MMIO register
- Add RPC (QSPI/HyperFLASH) clocks on Renesas R-Car V3H
- Add TMU (timer) clocks on Renesas RZ/G2E
- Add Amlogic G12A Always-On Clock Controller
- Add 32k clock generation for Amlogic AXG
- Add support for the Mali GPU clocks on Amlogic Meson8
- Add Amlogic G12A EE clock controller driver
- Add missing CANFD clocks on Renesas RZ/G2M and RZ/G2E
- Add i.MX8MM SoC clk driver support
Removed Drivers:
- Remove clps711x driver as the board support is gone
Updates:
- 3rd ECO fix for Mediatek MT2712 SoCs
- Updates for Qualcomm MSM8998 GCC clks
- Random static analysis fixes for clk drivers
- Support for sleeping gpios in the clk-gpio type
- Minor fixes for STM32MP1 clk driver (parents, critical flag, etc.)
- Split LCDC into two clks on the Marvell MMP2 SoC
- Various DT of_node refcount fixes
- Get rid of CLK_IS_BASIC from TI code (yay!)
- TI Autoidle clk support
- Fix Amlogic Meson8 APB clock ID name
- Claim input clocks through DT for Amlogic AXG and GXBB
- Correct the DU (display unit) parent clock on Renesas RZ/G2E
- Exynos5433 IMEM CMU crypto clk support (SlimSS)
- Fix for the PLL-MIPI on the Allwinner A23
- Fix Rockchip rk3328 PLL rate calculation
- Add SET_RATE_PARENT flag on display clk of Rockhip rk3066
- i.MX SCU clk driver clk_set_parent() and cpufreq support"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (150 commits)
dt-bindings: clock: imx8mq: Fix numbering overlaps and gaps
clk: ti: clkctrl: Fix clkdm_name regression for TI_CLK_CLKCTRL_COMPAT
clk: fixup default index for of_clk_get_by_name()
clk: Move of_clk_*() APIs into clk.c from clkdev.c
clk: Inform the core about consumer devices
clk: Introduce of_clk_get_hw_from_clkspec()
clk: core: clarify the check for runtime PM
clk: Combine __clk_get() and __clk_create_clk()
clk: imx8mq: add GPIO clocks to clock tree
clk: mediatek: correct cpu clock name for MT8173 SoC
clk: imx: Refactor entire sccg pll clk
clk: imx: scu: add cpu frequency scaling support
clk: mediatek: Mark bus and DRAM related clocks as critical
clk: mediatek: Add flags to mtk_gate
clk: mediatek: Add MUX_FLAGS macro
clk: qcom: gcc-sdm845: Define parent of PCIe PIPE clocks
clk: ingenic: Remove set but not used variable 'enable'
clk: at91: programmable: remove unneeded register read
clk: mediatek: using CLK_MUX_ROUND_CLOSEST for the clock of dpi1_sel
clk: mediatek: add MUX_GATE_FLAGS_2
...
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* acpi-tables:
ACPI: tables: Simplify PPTT leaf node detection
* acpi-debug:
ACPI: sysfs: Prevent get_status() from returning acpi_status
* acpi-doc:
ACPI: Documentation: Fix path for acpidbg tool
* acpi-misc:
ACPI / configfs: Mark local data structures static
ACPI / configfs: Mark local functions static
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Pull libnvdimm updates from Dan Williams:
"The bulk of this has been in -next since before the merge window
opened, with no known collisions / issues reported.
The only detail worth noting, outside the summary below, is that the
"libnvdimm-start-pad" topic has been truncated to just cleanups and
small fixes. The full topic branch would have doubled down on hacks
around the "section alignment" limitation of the core-mm, instead
effort is now being spent to address that root issue in the memory
hotplug implementation for v5.2.
- Fix nfit-bus command submission regression
- Support retrieval of short-ARS results if the ARS state is
"requires continuation", and even if the "no_init_ars" module
parameter is specified
- Allow busy-polling of the kernel ARS state by allowing root to
reset the exponential back-off timer
- Filter potentially stale ARS results by tracking query-ARS relative
to the previous start-ARS
- Enhance dax_device alignment checks
- Add support for the Hyper-V family of device-specific-methods
(DSMs)
- Add several fixes and workarounds for Hyper-V compatibility
- Fix support to cache the dirty-shutdown-count at init"
* tag 'libnvdimm-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (25 commits)
libnvdimm/namespace: Clean up holder_class_store()
libnvdimm/of_pmem: Fix platform_no_drv_owner.cocci warnings
acpi/nfit: Update NFIT flags error message
libnvdimm/btt: Fix LBA masking during 'free list' population
libnvdimm/btt: Remove unnecessary code in btt_freelist_init
libnvdimm/pfn: Remove dax_label_reserve
dax: Check the end of the block-device capacity with dax_direct_access()
nfit/ars: Avoid stale ARS results
nfit/ars: Allow root to busy-poll the ARS state machine
nfit/ars: Introduce scrub_flags
nfit/ars: Remove ars_start_flags
nfit/ars: Attempt short-ARS even in the no_init_ars case
nfit/ars: Attempt a short-ARS whenever the ARS state is idle at boot
acpi/nfit: Require opt-in for read-only label configurations
libnvdimm/pmem: Honor force_raw for legacy pmem regions
libnvdimm/pfn: Account for PAGE_SIZE > info-block-size in nd_pfn_init()
libnvdimm: Fix altmap reservation size calculation
libnvdimm, pfn: Fix over-trim in trim_pfn_device()
acpi/nfit: Fix bus command validation
libnvdimm/dimm: Add a no-BLK quirk based on NVDIMM family
...
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The return value of get_status() is passed to user space on errors,
so it should not return acpi_status values then. Make it return
error values that are meaningful for user space instead.
This also makes a Clang warning regarding the initialization of a
local variable in get_status() go away.
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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If SSDT overlay is loaded via ConfigFS and then unloaded the device,
we would like to have OF modalias for, already gone. Thus, acpi_get_name()
returns no allocated buffer for such case and kernel crashes afterwards:
ACPI: Host-directed Dynamic ACPI Table Unload
ads7950 spi-PRP0001:00: Dropping the link to regulator.0
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
#PF error: [normal kernel read fault]
PGD 80000000070d6067 P4D 80000000070d6067 PUD 70d0067 PMD 0
Oops: 0000 [#1] SMP PTI
CPU: 0 PID: 40 Comm: kworker/u4:2 Not tainted 5.0.0+ #96
Hardware name: Intel Corporation Merrifield/BODEGA BAY, BIOS 542 2015.01.21:18.19.48
Workqueue: kacpi_hotplug acpi_device_del_work_fn
RIP: 0010:create_of_modalias.isra.1+0x4c/0x150
Code: 00 00 48 89 44 24 18 31 c0 48 8d 54 24 08 48 c7 44 24 10 00 00 00 00 48 c7 44 24 08 ff ff ff ff e8 7a b0 03 00 48 8b 4c 24 10 <0f> b6 01 84 c0 74 27 48 c7 c7 00 09 f4 a5 0f b6 f0 8d 50 20 f6 04
RSP: 0000:ffffa51040297c10 EFLAGS: 00010246
RAX: 0000000000001001 RBX: 0000000000000785 RCX: 0000000000000000
RDX: 0000000000001001 RSI: 0000000000000286 RDI: ffffa2163dc042e0
RBP: ffffa216062b1196 R08: 0000000000001001 R09: ffffa21639873000
R10: ffffffffa606761d R11: 0000000000000001 R12: ffffa21639873218
R13: ffffa2163deb5060 R14: ffffa216063d1010 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffffa2163e000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000007114000 CR4: 00000000001006f0
Call Trace:
__acpi_device_uevent_modalias+0xb0/0x100
spi_uevent+0xd/0x40
...
In order to fix above let create_of_modalias() check the status returned
by acpi_get_name() and bail out in case of failure.
Fixes: 8765c5ba1949 ("ACPI / scan: Rework modalias creation when "compatible" is present")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=201381
Reported-by: Ferry Toth <fntoth@gmail.com>
Tested-by: Ferry Toth<fntoth@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: 4.1+ <stable@vger.kernel.org> # 4.1+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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There is no need to have non-static local data structures. otherwise
sparse is not happy:
CHECK drivers/acpi/acpi_configfs.c
drivers/acpi/acpi_configfs.c:100:31: warning: symbol 'acpi_table_bin_attrs' was not declared. Should it be static?
drivers/acpi/acpi_configfs.c:196:27: warning: symbol 'acpi_table_attrs' was not declared. Should it be static?
drivers/acpi/acpi_configfs.c:236:34: warning: symbol 'acpi_table_group_ops' was not declared. Should it be static?
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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There is no need to have non-static local functions. otherwise
compiler is not happy:
CC [M] drivers/acpi/acpi_configfs.o
drivers/acpi/acpi_configfs.c:105:9: warning: no previous prototype for ‘acpi_table_signature_show’ [-Wmissing-prototypes]
ssize_t acpi_table_signature_show(struct config_item *cfg, char *str)
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/acpi/acpi_configfs.c:115:9: warning: no previous prototype for ‘acpi_table_length_show’ [-Wmissing-prototypes]
ssize_t acpi_table_length_show(struct config_item *cfg, char *str)
^~~~~~~~~~~~~~~~~~~~~~
...
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Merge several updates to the ARS implementation. Highlights include:
* Support retrieval of short-ARS results if the ARS state is "requires
continuation", and even if the "no_init_ars" module parameter is
specified.
* Allow busy-polling of the kernel ARS state by allowing root to reset
the exponential back-off timer.
* Filter potentially stale ARS results by tracking query-ARS relative to
the previous start-ARS.
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Merge miscellaneous libnvdimm sub-system updates for v5.1. Highlights
include:
* Support for the Hyper-V family of device-specific-methods (DSMs)
* Several fixes and workarounds for Hyper-V compatibility.
* Fix for the support to cache the dirty-shutdown-count at init.
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ACPI 6.3 bumps the PPTT table revision and adds a LEAF_NODE flag.
This allows us to avoid a second pass through the table to assure
that the node in question is a leaf.
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull x86 platform driver updates from Darren Hart:
- use MODULE_DEVICE_TABLE across several wmi drivers, keeping
wmi_device_id and MODULE_ALIAS() declarations in sync
- add several Ideapad models to the no_hw_rfkill list
- add support for new Mellanox platforms, including new fan and LED
functionality
- address Dell keyboard backlight change event and power button release
issues
- update dell_rbu to use appropriate memory allocation mechanisms
- several small fixes and Ice Lake support for intel_pmc_core
- fix a suspend regression for Cherry Trail based devices in
intel_int0002_vgpio
- a few other routine fixes
* tag 'platform-drivers-x86-v5.1-1' of git://git.infradead.org/linux-platform-drivers-x86: (50 commits)
MAINTAINERS: Include mlxreg.h in Mellanox Platform Driver files
platform/x86: ideapad-laptop: Add S130-14IGM to no_hw_rfkill list
platform/x86: mlx-platform: Fix access mode for fan_dir attribute
platform/x86: mlx-platform: Add UID LED for the next generation systems
platform/x86: mlx-platform: Add extra CPLD for next generation systems
platform/x86: wmi-bmof: use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS()
platform/x86: intel-wmi-thunderbolt: use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS()
platform/x86: huawei-wmi: use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS()
platform/x86: dell-wmi: use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS()
platform/x86: dell-wmi-descriptor: use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS()
platform/x86: dell-smbios-wmi: use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS()
platform/x86: wmi: add WMI support to MODULE_DEVICE_TABLE()
platform/x86: wmi: move struct wmi_device_id to mod_devicetable.h
modpost: file2alias: define size of alias
platform/x86: touchscreen_dmi: Add info for the CHUWI Hi10 Air tablet
platform/x86: ideapad-laptop: Add Ideapad 530S-14ARR to no_hw_rfkill list
platform/x86: ideapad-laptop: Add Yoga C930 to no_hw_rfkill_list
platform/x86: intel_pmc_core: Quirk to ignore XTAL shutdown
platform/x86: intel_pmc_core: Add Package cstates residency info
platform/x86: intel_pmc_core: Add ICL platform support
...
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- Updates for qcom MSM8998 GCC clks
- qcom MSM8998 RPM managed clks
- Random static analysis fixes for clk drivers
* clk-qcom-msm8998:
clk: qcom: Make common clk_hw registrations
clk: qcom: smd: Add support for MSM8998 rpm clocks
clk: qcom: Skip halt checks on gcc_usb3_phy_pipe_clk for 8998
clk: qcom: Add missing freq for usb30_master_clk on 8998
clk: qcom: Add CLK_SET_RATE_PARENT for 8998 branch clocks
* clk-fractional-parent:
clk: fractional-divider: check parent rate only if flag is set
* clk-x86-mv:
clk: x86: Move clk-lpss.h to platform_data/x86
* clk-SA-fixes:
clk: mediatek: fix platform_no_drv_owner.cocci warnings
clk: tegra: dfll: Fix debugfs_simple_attr.cocci warnings
clk: qoriq: Improve an error message
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Pull drm updates from Dave Airlie:
"This is the main drm pull request for the 5.1 merge window.
The big changes I'd highlight are:
- nouveau has HMM support now, there is finally an in-tree user so we
can quieten down the rip it out people.
- i915 now enables fastboot by default on Skylake+
- Displayport Multistream support has been refactored and should
hopefully be more reliable.
Core:
- header cleanups aiming towards removing drmP.h
- dma-buf fence seqnos to 64-bits
- common helper for DP mst hotplug for radeon,i915,amdgpu + new
refcounting scheme
- MST i2c improvements
- drm_syncobj_cb removal
- ARM FB compression fourcc
- P010 + P016 fourcc
- allwinner tiled format modifier
- i2c over aux I2C_M_STOP support
- DRM_AUTH handling fixes
TTM:
- ref/unref renaming
New driver:
- ARM komeda display driver
scheduler:
- refactor mirror list handling
- rework hw fence processing
- 0 run queue entity fix
bridge:
- TI DS90C185 LVDS bridge
- thc631lvdm83d bridge improvements
- cadence + allwinner DSI ported to generic phy
panels:
- Sitronix ST7701 panel
- Kingdisplay KD097D04
- LeMaker BL035-RGB-002
- PDA 91-00156-A0
- Innolux EE101IA-01D
i915:
- Enable fastboot by default on SKL+/VLV/CHV
- Export RPCS configuration for ICL media driver
- Coffelake PCI ID
- CNL clocks setup fixes
- ACPI/PMIC support for MIPI/DSI
- Per-engine WA init for all engines
- Shrinker locking fixes
- Kerneldoc updates
- Lots of ring improvements and reset fixes
- Coffeelake GVT Support
- VFIO GVT EDID Region support
- runtime PM wakeref tracking
- ILK->IVB primary plane enable delays
- userptr mutex locking fixes
- DSI fixes
- LVDS/TV cleanups
- HW readout fixes
- LUT robustness fixes
- ICL display and watermark fixes
- gem mmap race fix
amdgpu:
- add scheduled dependencies interface
- DCC on scanout surfaces
- vega10/20 BACO support
- Multiple IH rings on soc15
- XGMI locking fixes
- DC i2c/aux cleanups
- runtime SMU debug interface
- Kexec improvmeents
- SR-IOV fixes
- DC freesync + ABM fixes
- GDS fixes
- GPUVM fixes
- vega20 PCIE DPM switching fixes
- Context priority handling fixes
radeon:
- fix missing break in evergreen parser
nouveau:
- SVM support via HMM
msm:
- QCOM Compressed modifier support
exynos:
- s5pv210 rotator support
imx:
- zpos property support
- pending update fixes
v3d:
- cache flush improvments
vc4:
- reflection support
- HDMI overscan support
tegra:
- CEC refactoring
- HDMI audio fixes
- Tegra186 prep work
- SOR crossbar device tree fixes
sun4i:
- implicit fencing support
- YUV and scalar support improvements
- A23 support
- tiling fixes
atmel-hlcdc:
- clipping and rotation property fixes
qxl:
- BO and PRIME improvements
- generic fbdev emulation
dw-hdmi:
- HDMI 2.0 2160p
- YUV420 ouput
rockchip:
- implicit fencing support
- reflection proerties
virtio-gpu:
- use generic fbdev emulation
tilcdc:
- cpufreq vs crtc init fix
rcar-du:
- R8A774C0 support
- D3/E3 RGB output routing fixes and DPAD0 support
- RA87744 LVDS support
bochs:
- atomic and generic fbdev emulation
- ID mismatch error on bochs load
meson:
- remove firmware fbs"
* tag 'drm-next-2019-03-06' of git://anongit.freedesktop.org/drm/drm: (1130 commits)
drm/amd/display: Use vrr friendly pageflip throttling in DC.
drm/imx: only send commit done event when all state has been applied
drm/imx: allow building under COMPILE_TEST
drm/imx: imx-tve: depend on COMMON_CLK
drm/imx: ipuv3-plane: add zpos property
drm/imx: ipuv3-plane: add function to query atomic update status
gpu: ipu-v3: prg: add function to get channel configure status
gpu: ipu-v3: pre: add double buffer status readback
drm/amdgpu: Bump amdgpu version for context priority override.
drm/amdgpu/powerplay: fix typo in BACO header guards
drm/amdgpu/powerplay: fix return codes in BACO code
drm/amdgpu: add missing license on baco files
drm/bochs: Fix the ID mismatch error
drm/nouveau/dmem: use dma addresses during migration copies
drm/nouveau/dmem: use physical vram addresses during migration copies
drm/nouveau/dmem: extend copy function to allow direct use of physical addresses
drm/nouveau/svm: new ioctl to migrate process memory to GPU memory
drm/nouveau/dmem: device memory helpers for SVM
drm/nouveau/svm: initial support for shared virtual memory
drm/nouveau: prepare for enabling svm with existing userspace interfaces
...
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Pull ACPI updates from Rafael Wysocki:
"These are ACPICA updates including ACPI 6.3 support among other
things, APEI updates including the ARM Software Delegated Exception
Interface (SDEI) support, ACPI EC driver fixes and cleanups and other
assorted improvements.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20190215
including ACPI 6.3 support and more:
* New predefined methods: _NBS, _NCH, _NIC, _NIH, and _NIG (Erik
Schmauss).
* Update of the PCC Identifier structure in PDTT (Erik Schmauss).
* Support for new Generic Affinity Structure subtable in SRAT
(Erik Schmauss).
* New PCC operation region support (Erik Schmauss).
* Support for GICC statistical profiling for MADT (Erik Schmauss).
* New Error Disconnect Recover notification support (Erik
Schmauss).
* New PPTT Processor Structure Flags fields support (Erik
Schmauss).
* ACPI 6.3 HMAT updates (Erik Schmauss).
* GTDT Revision 3 support (Erik Schmauss).
* Legacy module-level code (MLC) support removal (Erik Schmauss).
* Update/clarification of messages for control method failures
(Bob Moore).
* Warning on creation of a zero-length opregion (Bob Moore).
* acpiexec option to dump extra info for memory leaks (Bob Moore).
* More ACPI error to firmware error conversions (Bob Moore).
* Debugger fix (Bob Moore).
* Copyrights update (Bob Moore)
- Clean up sleep states support code in ACPICA (Christoph Hellwig)
- Rework in_nmi() handling in the APEI code and add suppor for the
ARM Software Delegated Exception Interface (SDEI) to it (James
Morse)
- Fix possible out-of-bounds accesses in BERT-related core (Ross
Lagerwall)
- Fix the APEI code parsing HEST that includes a Deferred Machine
Check subtable (Yazen Ghannam)
- Use DEFINE_DEBUGFS_ATTRIBUTE for APEI-related debugfs files
(YueHaibing)
- Switch the APEI ERST code to the new generic UUID API (Andy
Shevchenko)
- Update the MAINTAINERS entry for APEI (Borislav Petkov)
- Fix and clean up the ACPI EC driver (Rafael Wysocki, Zhang Rui)
- Fix DMI checks handling in the ACPI backlight driver and add the
"Lunch Box" chassis-type check to it (Hans de Goede)
- Add support for using ACPI table overrides included in built-in
initrd images (Shunyong Yang)
- Update ACPI device enumeration to treat the PWM2 device as "always
present" on Lenovo Yoga Book (Yauhen Kharuzhy)
- Fix up the enumeration of device objects with the PRP0001 device ID
(Andy Shevchenko)
- Clean up PPTT parsing error messages (John Garry)
- Clean up debugfs files creation handling (Greg Kroah-Hartman,
Rafael Wysocki)
- Clean up the ACPI DPTF Makefile (Masahiro Yamada)"
* tag 'acpi-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (65 commits)
ACPI / bus: Respect PRP0001 when retrieving device match data
ACPICA: Update version to 20190215
ACPI/ACPICA: Trivial: fix spelling mistakes and fix whitespace formatting
ACPICA: ACPI 6.3: add GTDT Revision 3 support
ACPICA: ACPI 6.3: HMAT updates
ACPICA: ACPI 6.3: PPTT add additional fields in Processor Structure Flags
ACPICA: ACPI 6.3: add Error Disconnect Recover Notification value
ACPICA: ACPI 6.3: MADT: add support for statistical profiling in GICC
ACPICA: ACPI 6.3: add PCC operation region support for AML interpreter
efi: cper: Fix possible out-of-bounds access
ACPI: APEI: Fix possible out-of-bounds access to BERT region
ACPICA: ACPI 6.3: SRAT: add Generic Affinity Structure subtable
ACPICA: ACPI 6.3: Add Trigger order to PCC Identifier structure in PDTT
ACPICA: ACPI 6.3: Adding predefined methods _NBS, _NCH, _NIC, _NIH, and _NIG
ACPICA: Update/clarify messages for control method failures
ACPICA: Debugger: Fix possible fault with the "test objects" command
ACPICA: Interpreter: Emit warning for creation of a zero-length op region
ACPICA: Remove legacy module-level code support
ACPI / x86: Make PWM2 device always present at Lenovo Yoga Book
ACPI / video: Extend chassis-type detection with a "Lunch Box" check
..
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* pm-cpufreq: (48 commits)
cpufreq: kryo: Release OPP tables on module removal
cpufreq: ap806: add missing of_node_put after of_device_is_available
cpufreq: acpi-cpufreq: Report if CPU doesn't support boost technologies
cpufreq: Pass updated policy to driver ->setpolicy() callback
cpufreq: Fix two debug messages in cpufreq_set_policy()
cpufreq: Reorder and simplify cpufreq_update_policy()
cpufreq: Add kerneldoc comments for two core functions
cpufreq: intel_pstate: Rework iowait boosting to be less aggressive
cpufreq: intel_pstate: Eliminate intel_pstate_get_base_pstate()
cpufreq: intel_pstate: Avoid redundant initialization of local vars
cpufreq / cppc: Work around for Hisilicon CPPC cpufreq
ACPI / CPPC: Add a helper to get desired performance
cpufreq: davinci: move configuration to include/linux/platform_data
cpufreq: speedstep: convert BUG() to BUG_ON()
cpufreq: powernv: fix missing check of return value in init_powernv_pstates()
cpufreq: longhaul: remove unneeded semicolon
cpufreq: pcc-cpufreq: remove unneeded semicolon
cpufreq: Replace double NOT (!!) with single NOT (!)
cpufreq: intel_pstate: Add reasons for failure and debug messages
cpufreq: dt: Implement online/offline() callbacks
...
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* pm-cpuidle:
ACPI / processor: Set P_LVL{2,3} idle state descriptions
intel_idle: add support for Jacobsville
cpuidle: dt: bail out if the idle-state DT node is not compatible
cpuidle: use BIT() for idle state flags and remove CPUIDLE_DRIVER_FLAGS_MASK
Documentation: driver-api: PM: Add cpuidle document
cpuidle: New timer events oriented governor for tickless systems
* powercap:
powercap/intel_rapl: add Ice Lake mobile
powercap: intel_rapl: add support for Jacobsville
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* acpi-video:
ACPI / video: Extend chassis-type detection with a "Lunch Box" check
ACPI / video: Refactor and fix dmi_is_desktop()
* acpi-x86:
ACPI / x86: Make PWM2 device always present at Lenovo Yoga Book
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* acpi-apei: (29 commits)
efi: cper: Fix possible out-of-bounds access
ACPI: APEI: Fix possible out-of-bounds access to BERT region
MAINTAINERS: Add James Morse to the list of APEI reviewers
ACPI / APEI: Add support for the SDEI GHES Notification type
firmware: arm_sdei: Add ACPI GHES registration helper
ACPI / APEI: Use separate fixmap pages for arm64 NMI-like notifications
ACPI / APEI: Only use queued estatus entry during in_nmi_queue_one_entry()
ACPI / APEI: Split ghes_read_estatus() to allow a peek at the CPER length
ACPI / APEI: Make GHES estatus header validation more user friendly
ACPI / APEI: Pass ghes and estatus separately to avoid a later copy
ACPI / APEI: Let the notification helper specify the fixmap slot
ACPI / APEI: Move locking to the notification helper
arm64: KVM/mm: Move SEA handling behind a single 'claim' interface
KVM: arm/arm64: Add kvm_ras.h to collect kvm specific RAS plumbing
ACPI / APEI: Switch NOTIFY_SEA to use the estatus queue
ACPI / APEI: Move NOTIFY_SEA between the estatus-queue and NOTIFY_NMI
ACPI / APEI: Don't allow ghes_ack_error() to mask earlier errors
ACPI / APEI: Generalise the estatus queue's notify code
ACPI / APEI: Don't update struct ghes' flags in read/clear estatus
ACPI / APEI: Remove spurious GHES_TO_CLEAR check
...
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* acpi-tables:
ACPI/PPTT: Add acpi_pptt_warn_missing() to consolidate logs
ACPI / tables: table override from built-in initrd
* acpi-debug:
ACPI: debug: Clean up acpi_aml_init()
ACPI: no need to check return value of debugfs_create functions
* acpi-ec:
Revert "ACPI / EC: Remove old CLEAR_ON_RESUME quirk"
ACPI: EC: Simplify boot EC checks in acpi_ec_add()
ACPI: EC: Eliminate acpi_config_boot_ec()
ACPI: EC: Make acpi_ec_dsdt_probe() more straightforward
ACPI: EC: Make acpi_ec_ecdt_probe() more straightforward
ACPI: EC: Declare boot_ec as static
ACPI: EC: Clean up probing for early EC
* acpi-dptf:
ACPI / DPTF: remove header search path to the parent directory
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* acpica:
ACPICA: Update version to 20190215
ACPI/ACPICA: Trivial: fix spelling mistakes and fix whitespace formatting
ACPICA: ACPI 6.3: add GTDT Revision 3 support
ACPICA: ACPI 6.3: HMAT updates
ACPICA: ACPI 6.3: PPTT add additional fields in Processor Structure Flags
ACPICA: ACPI 6.3: add Error Disconnect Recover Notification value
ACPICA: ACPI 6.3: MADT: add support for statistical profiling in GICC
ACPICA: ACPI 6.3: add PCC operation region support for AML interpreter
ACPICA: ACPI 6.3: SRAT: add Generic Affinity Structure subtable
ACPICA: ACPI 6.3: Add Trigger order to PCC Identifier structure in PDTT
ACPICA: ACPI 6.3: Adding predefined methods _NBS, _NCH, _NIC, _NIH, and _NIG
ACPICA: Update/clarify messages for control method failures
ACPICA: Debugger: Fix possible fault with the "test objects" command
ACPICA: Interpreter: Emit warning for creation of a zero-length op region
ACPICA: Remove legacy module-level code support
ACPICA: Get rid of acpi_sleep_dispatch()
ACPICA: Update version to 20190108
ACPICA: All acpica: Update copyrights to 2019
ACPICA: acpiexec: Add option to dump extra info for memory leaks
ACPICA: Convert more ACPI errors to firmware errors
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ACPI NFIT flags field reports major errors on NVDIMM, which need
user's attention.
Update the current log to a proper error message with dev_err().
The current message string is kept for grep-compatibility.
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Robert Elliott <elliott@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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In the PRP0001 case, the compatible string may have additional data
affiliated with the device. When we call device_get_match_data() on
such device, we will get nothing since currently
acpi_device_get_match_data() doesn't respect PRP0001.
To fix the above, try acpi_of_match_device() if there is no ACPI
table in the driver.
Anyway, note that the device is expected to get its own proper
ACPI ID.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Signed-off-by: Erik Schmauss <erik.schmauss@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 205ac8fc721073f1e609df963b14ef2237aeba73
Link: https://github.com/acpica/acpica/commit/205ac8fc
Reviewed-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Erik Schmauss <erik.schmauss@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 a4849944e80f97970e99843f4975850753584a4e
This change adds PCC operation region support in the AML interpreter
and a default handler for acpiexec. According to the specification,
the PCC operation region performs a transaction when the COMD field
is written. This allows ASL to write data to other fields before
sending the data.
In order to accommodate this protocol, a temorary buffer is added
to the regionfield object to accumulate writes. If any offset that
spans COMD is written, the temporary buffer is sent to the PCC
operation region handler to be processed.
This change also renames the PCC keyword to platform_comm_channel.
Link: https://github.com/acpica/acpica/commit/a4849944
Reviewed-by: Kyle Pelton <kyle.d.pelton@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@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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clk-lpss.h is solely x86 related header. Move it to correct folder.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Gate ARS result consumption on whether the OS issued start-ARS since the
previous consumption. The BIOS may only clear its result buffers after a
successful start-ARS.
Fixes: 0caeef63e6d2 ("libnvdimm: Add a poison list and export badblocks")
Cc: <stable@vger.kernel.org>
Reported-by: Krzysztof Rusocki <krzysztof.rusocki@intel.com>
Reported-by: Vishal Verma <vishal.l.verma@intel.com>
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The ARS implementation implements exponential back-off on the poll
interval to prevent high-frequency access to the DIMM / platform
interface. Depending on when the ARS completes the poll interval may
exceed the completion event by minutes. Allow root to reset the timeout
each time it probes the status. A one-second timeout is still enforced,
but root can otherwise can control the poll interval.
Fixes: bc6ba8085842 ("nfit, address-range-scrub: rework and simplify ARS...")
Cc: <stable@vger.kernel.org>
Reported-by: Erwin Tsaur <erwin.tsaur@oracle.com>
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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In preparation for introducing new flags to gate whether ARS results are
stale, or poll the completion state, convert the existing flags to an
unsigned long with enumerated values. This conversion allows the flags
to be atomically updated outside of ->init_mutex.
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The ars_start_flags property of 'struct acpi_nfit_desc' is no longer
used since ARS_REQ_SHORT and ARS_REQ_LONG were added.
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The no_init_ars option is meant to prevent long-ARS, but short-ARS
should be allowed to grab any immediate results.
Fixes: bc6ba8085842 ("nfit, address-range-scrub: rework and simplify ARS...")
Cc: <stable@vger.kernel.org>
Reported-by: Erwin Tsaur <erwin.tsaur@oracle.com>
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Check that the length recorded in the generic error status block is
within the region before checking the contents of the region itself.
Otherwise it may result in an out-of-bounds access if the system
firmware has generated a status block with an invalid length (larger
than the mapped region). Also move the block_status check so that it
only happens after the block has been verified to be within the mapped
region.
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Acked-by: Borislav Petkov <bp@suse.de>
Tested-by: Tyler Baicar <baicar.tyler@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The ACPI idle driver will fallback to using the legacy P_LVL* SystemIO
method of entering C-states if the _CST method is disabled and P_BLK is
defined. However, in this case the C2 and C3 states won't have a
description set, so the user will see "<null>" when reading the
description from sysfs.
Give each of these states a description.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This patch add a helper to get the value of desired performance
register.
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
[ rjw: More white space ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 0015e2491bda996ddb9d56bfa4ee39644acbb22b
Link: https://github.com/acpica/acpica/commit/0015e249
Signed-off-by: Erik Schmauss <erik.schmauss@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 2efd616e5b1c960f407763e6782f7dc259ea55df
Attempting to improve error messages to clarify that errors
are bubbled up from the original error, possibly across nested
methods.
Link: https://github.com/acpica/acpica/commit/2efd616e
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 349dd29335d6928f883bc95c614a0edd033141bb
- Fault on Field Units
- Some restructuring
- General cleanup of dbtest module
Link: https://github.com/acpica/acpica/commit/349dd293
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 387c850c5d49d09d7c2e70b2711e584ad83956a1
Nothing can be done with such a region. Just emit a warning so as
not to abort a table load or running method.
Link: https://github.com/acpica/acpica/commit/387c850c
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 47f5607c204719d9239a12b889df725225098c8f
Module-level code refers to executable ASL code that runs during
table load. This is typically used in ASL to declare named objects
based on a condition evaluated during table load like so:
definition_block(...)
{
opreation_region (OPR1, system_memory, ...)
Field (OPR1)
{
FLD1, 8 /* Assume that FLD1's value is 0x1 */
}
/* The if statement below is referred to as module-level code */
If (FLD1)
{
/* Declare DEV1 conditionally */
Device (DEV1) {...}
}
Device (DEV2)
{
...
}
}
In legacy module-level code, the execution of the If statement
was deferred after other modules were loaded. The order of
code execution for the table above is the following:
1.) Load OPR1 to the ACPI Namespace
2.) Load FLD1 to the ACPI Namespace (not intended for drivers)
3.) Load DEV2 to the ACPI Namespace
4.) Execute If (FLD1) and load DEV1 if the condition is true
This legacy approach can be problematic for tables that look like the
following:
definition_block(...)
{
opreation_region (OPR1, system_memory, ...)
Field (OPR1)
{
FLD1, 8 /* Assume that FLD1's value is 0x1 */
}
/* The if statement below is referred to as module-level code */
If (FLD1)
{
/* Declare DEV1 conditionally */
Device (DEV1) {...}
}
Scope (DEV1)
{
/* Add objects DEV1's scope */
Name (OBJ1, 0x1234)
}
}
When loading this in the legacy approach, Scope DEV1 gets evaluated
before the If statement. The following is the order of execution:
1.) Load OPR1 to the ACPI Namespace
2.) Load FLD1 to the ACPI Namespace (not intended for drivers)
3.) Add OBJ1 under DEV1's scope -- ERROR. DEV1 does not exist
4.) Execute If (FLD1) and load DEV1 if the condition is true
The legacy approach can never succeed for tables like this due to the
deferral of the module-level code. Due to this limitation, a new
module-level code was developed. This new approach exeutes if
statements in the order that they appear in the definition block.
With this approach, the order of execution for the above defintion
block is as follows:
1.) Load OPR1 to the ACPI Namespace
2.) Load FLD1 to the ACPI Namespace (not intended for drivers)
3.) Execute If (FLD1) and load DEV1 because the condition is true
4.) Add OBJ1 under DEV1's scope.
Since DEV1 is loaded in the namespace in step 3, step 4 executes
successfully.
This change removes support for the legacy module-level code
execution. From this point onward, the new module-level code
execution will be the official approach.
Link: https://github.com/acpica/acpica/commit/47f5607c
Signed-off-by: Erik Schmauss <erik.schmauss@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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Backmerging for nouveau and imx that needed some fixes for next pulls.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Lenovo Yoga Book uses PWM2 for controlling keyboard backlight but this
device is hidden in the DSDT in Windows version of notebook (if OSID == 1).
Make this device always present for this notebook.
Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 53fa1f6e8a59 ("ACPI / video: Only default only_lcd to true on
Win8-ready _desktops_") introduced chassis type detection, limiting the
lcd_only check for the backlight to devices where the chassis-type
indicates their is no builtin LCD panel.
The purpose of the lcd_only check is to avoid advertising a backlight
interface on desktops, since skylake and newer machines seem to always
have a backlight interface even if there is no LCD panel. The limiting
of this check to desktops only was done to avoid breaking backlight
support on some laptops which do not have the lcd flag set.
The Fujitsu ESPRIMO Q910 which is a compact (NUC like) desktop machine
has a chassis type of 0x10 aka "Lunch Box". Without the lcd_only check
we end up falsely advertising backlight/brightness control on this
device. This commit extend the dmi_is_desktop check to return true
for type 0x10 to fix this.
Fixes: 53fa1f6e8a59 ("ACPI / video: Only default only_lcd to true ...")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This commit refactors the chassis-type detection introduced by
commit 53fa1f6e8a59 ("ACPI / video: Only default only_lcd to true on
Win8-ready _desktops_") (where desktop means anything without a builtin
screen).
The DMI chassis_type is an unsigned integer, so rather then doing a
whole bunch of string-compares on it, convert it to an int and feed
the result to a switch case.
Note the switch case uses hex values, this is done because the spec
uses hex values too. This changes the check for "Main Server Chassis"
from checking for 11 decimal to 11 hexadecimal, this is a bug fix,
the original check for 11 decimal was wrong.
Fixes: 53fa1f6e8a59 ("ACPI / video: Only default only_lcd to true ...")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
[ rjw: Drop redundant return statements ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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If query-ARS reports that ARS has stopped and requires continuation
attempt to retrieve short-ARS results before continuing the long
operation.
Fixes: bc6ba8085842 ("nfit, address-range-scrub: rework and simplify ARS...")
Cc: <stable@vger.kernel.org>
Reported-by: Krzysztof Rusocki <krzysztof.rusocki@intel.com>
Reviewed-by: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Recent fixes to command handling enabled Linux to read label
configurations that it could not before. Unfortunately that means that
configurations that were operating in label-less mode will be broken as
the kernel ignores the existing namespace configuration and tries to
honor the new found labels.
Fortunately this seems limited to a case where Linux can quirk the
behavior and maintain the existing label-less semantics by default.
When the platform does not emit an _LSW method, disable all label access
methods. Provide a 'force_labels' module parameter to allow read-only
label operation.
Fixes: 11189c1089da ("acpi/nfit: Fix command-supported detection")
Reported-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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If the GHES notification type is SDEI, register the provided event
using the SDEI-GHES helper.
SDEI may be one of two types of event, normal and critical. Critical
events can interrupt normal events, so these must have separate
fixmap slots and locks in case both event types are in use.
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 11189c1089da "acpi/nfit: Fix command-supported detection" broke
ND_CMD_CALL for bus-level commands. The "func = cmd" assumption is only
valid for:
ND_CMD_ARS_CAP
ND_CMD_ARS_START
ND_CMD_ARS_STATUS
ND_CMD_CLEAR_ERROR
The function number otherwise needs to be pulled from the command
payload for:
NFIT_CMD_TRANSLATE_SPA
NFIT_CMD_ARS_INJECT_SET
NFIT_CMD_ARS_INJECT_CLEAR
NFIT_CMD_ARS_INJECT_GET
Update cmd_to_func() for the bus case and call it in the common path.
Fixes: 11189c1089da ("acpi/nfit: Fix command-supported detection")
Cc: <stable@vger.kernel.org>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Reported-by: Grzegorz Burzynski <grzegorz.burzynski@intel.com>
Tested-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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For a system using ACPI-based FW without a PPTT, we may get many warnings
about the lack of a PPTT, as shown:
root@(none)$ dmesg | grep -i pptt
[ 0.010125] ACPI PPTT: No PPTT table found, cpu topology may be inaccurate
[ 7.138339] ACPI PPTT: No PPTT table found, cache topology may be inaccurate
[ 7.145368] ACPI PPTT: No PPTT table found, cache topology may be inaccurate
These logs are generated with pr_warn_once(), so the intention was for a
single log, but the logs overlap, so consolidate them.
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Linus Torvalds
Rafael J. Wysocki
Andy Shevchenko
Dan Williams
Jeremy Linton
Stephen Boyd
Toshi Kani
Erik Schmauss
Ross Lagerwall
Yazen Ghannam
Xiongfeng Wang
Bob Moore
Dave Airlie
Yauhen Kharuzhy
Hans de Goede
James Morse
John Garry