Instead of doing two pass parsing of the table, replace
acpi_match_device_ids() with acpi_match_acpi_device().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There are at least two places in the kernel that are using
the SMB0001 HID. Make it to be available via acpi_drivers.h
header file. While at it, replace hard coded one with a
definition.
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C
Link: https://lore.kernel.org/r/20230621151652.79579-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
After switching i2c-scmi driver to be a platform one, it stopped
being enumerated on number of Kontron platforms, because it's
listed in the forbidden_id_list.
To resolve the situation, add a flag to driver data to allow devices
with no resources in _CRS to be enumerated via platform bus.
Fixes: 03d4287add ("i2c: scmi: Convert to be a platform driver")
Closes: https://lore.kernel.org/r/60c1756765b9a3f1eab0dcbd84f59f00fe1caf48.camel@kontron.com
Link: https://lore.kernel.org/r/20230621151652.79579-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
[ rjw: Move has_resource definition to the block in which it is used and
initialize it to 'false' ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Match the ACPI device against a given list of ACPI IDs.
Subsequent changes will make use of this.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Changelog edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There are two pieces of data being exported from drivers/acpi/scan.c
(acpi_device_lock and acpi_wakeup_device_list) that don't have their
definitions declared in anything scan.c is including.
Fix the following sparse warnings by including sleep.h to add the
declarations of acpi_device_lock and acpi_wakeup_device_list to
fix the followng sparse warnings:
drivers/acpi/scan.c:42:1: warning: symbol 'acpi_device_lock' was not declared. Should it be static?
drivers/acpi/scan.c:43:1: warning: symbol 'acpi_wakeup_device_list' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* Support for ACPI.
* Various cleanups to the ISA string parsing, including making them
case-insensitive
* Support for the vector extension.
* Support for independent irq/softirq stacks.
* Our CPU DT binding now has "unevaluatedProperties: false"
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Merge tag 'riscv-for-linus-6.5-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Support for ACPI
- Various cleanups to the ISA string parsing, including making them
case-insensitive
- Support for the vector extension
- Support for independent irq/softirq stacks
- Our CPU DT binding now has "unevaluatedProperties: false"
* tag 'riscv-for-linus-6.5-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (78 commits)
riscv: hibernate: remove WARN_ON in save_processor_state
dt-bindings: riscv: cpus: switch to unevaluatedProperties: false
dt-bindings: riscv: cpus: add a ref the common cpu schema
riscv: stack: Add config of thread stack size
riscv: stack: Support HAVE_SOFTIRQ_ON_OWN_STACK
riscv: stack: Support HAVE_IRQ_EXIT_ON_IRQ_STACK
RISC-V: always report presence of extensions formerly part of the base ISA
dt-bindings: riscv: explicitly mention assumption of Zicntr & Zihpm support
RISC-V: remove decrement/increment dance in ISA string parser
RISC-V: rework comments in ISA string parser
RISC-V: validate riscv,isa at boot, not during ISA string parsing
RISC-V: split early & late of_node to hartid mapping
RISC-V: simplify register width check in ISA string parsing
perf: RISC-V: Limit the number of counters returned from SBI
riscv: replace deprecated scall with ecall
riscv: uprobes: Restore thread.bad_cause
riscv: mm: try VMA lock-based page fault handling first
riscv: mm: Pre-allocate PGD entries for vmalloc/modules area
RISC-V: hwprobe: Expose Zba, Zbb, and Zbs
RISC-V: Track ISA extensions per hart
...
1, Preliminary ClangBuiltLinux enablement;
2, Add support to clone a time namespace;
3, Add vector extensions support;
4, Add SMT (Simultaneous Multi-Threading) support;
5, Support dbar with different hints;
6, Introduce hardware page table walker;
7, Add jump-label implementation;
8, Add rethook and uprobes support;
9, Some bug fixes and other small changes.
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Merge tag 'loongarch-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- preliminary ClangBuiltLinux enablement
- add support to clone a time namespace
- add vector extensions support
- add SMT (Simultaneous Multi-Threading) support
- support dbar with different hints
- introduce hardware page table walker
- add jump-label implementation
- add rethook and uprobes support
- some bug fixes and other small changes
* tag 'loongarch-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (28 commits)
LoongArch: Remove five DIE_* definitions in kdebug.h
LoongArch: Add uprobes support
LoongArch: Use larch_insn_gen_break() for kprobes
LoongArch: Add larch_insn_gen_break() to generate break insns
LoongArch: Check for AMO instructions in insns_not_supported()
LoongArch: Move three functions from kprobes.c to inst.c
LoongArch: Replace kretprobe with rethook
LoongArch: Add jump-label implementation
LoongArch: Select HAVE_DEBUG_KMEMLEAK to support kmemleak
LoongArch: Export some arch-specific pm interfaces
LoongArch: Introduce hardware page table walker
LoongArch: Support dbar with different hints
LoongArch: Add SMT (Simultaneous Multi-Threading) support
LoongArch: Add vector extensions support
LoongArch: Add support to clone a time namespace
Makefile: Add loongarch target flag for Clang compilation
LoongArch: Mark Clang LTO as working
LoongArch: Include KBUILD_CPPFLAGS in CHECKFLAGS invocation
LoongArch: vDSO: Use CLANG_FLAGS instead of filtering out '--target='
LoongArch: Tweak CFLAGS for Clang compatibility
...
Fix suspend-to-idle breakage on multiple systems introduced by one of
the recent commits that may cause the affected systems to overheat while
suspended.
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Merge tag 'acpi-6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix suspend-to-idle breakage on multiple systems introduced by one of
the recent commits that may cause the affected systems to overheat
while suspended"
* tag 'acpi-6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: EC: Fix acpi_ec_dispatch_gpe()
Loongson-3A6000 has SMT (Simultaneous Multi-Threading) support, each
physical core has two logical cores (threads). This patch add SMT probe
and scheduler support via ACPI PPTT.
If SCHED_SMT enabled, Loongson-3A6000 is treated as 4 cores, 8 threads;
If SCHED_SMT disabled, Loongson-3A6000 is treated as 8 cores, 8 threads.
Remove smp_num_siblings to support HMP (Heterogeneous Multi-Processing).
Signed-off-by: Liupu Wang <wangliupu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
acpi_companion_match() doesn't alter the contents of the passed
parameter, so we don't expect that returned value can be altered
either. So constify it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Compiler is not happy about handling of acpi_root variable:
...drivers/acpi/bus.c:37:20: warning: symbol 'acpi_root' was not declared. Should it be static?
Move it's definition to the internal header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit 896e97bf99 ("ACPI: EC: Clear GPE on interrupt handling only")
broke suspend-to-idle at least on Dell XPS13 9360 and 9380.
The problem is that acpi_ec_dispatch_gpe() must clear the EC GPE,
because the EC GPE handler never runs when the system is in the
suspend-to-idle state and if the EC GPE is not cleared by the suspend-
to-idle loop, it is never cleared at all which leads to a GPE storm.
This causes suspend-to-idle to burn energy instead of saving it which
is potentially dangerous (the affected machines heat up rather badly
when that happens).
Addess this by making acpi_ec_dispatch_gpe() clear the EC GPE as it did
before.
Fixes: 896e97bf99 ("ACPI: EC: Clear GPE on interrupt handling only")
Tested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Introduce power capping core support for Intel TPMI (Topology Aware
Register and PM Capsule Interface) and a TPMI interface driver for
Intel RAPL (Zhang Rui, Dan Carpenter).
- Fix CONFIG_IOSF_MBI dependency in the Intel RAPL power capping
driver (Zhang Rui).
- Fix invalid initialization for pl4_supported field in the Intel RAPL
power capping driver (Sumeet Pawnikar).
- Clean up the intel_idle driver, make it work with VM guests that
cannot use the MWAIT instruction and address the case in which the
host may enter a deep idle state when the guest is idle (Arjan van
de Ven).
- Prevent cpufreq drivers that provide the ->adjust_perf() callback
without a ->fast_switch() one which is used as a fallback from the
former in some cases (Wyes Karny).
- Fix some issues related to the AMD P-state cpufreq driver (Mario
Limonciello, Wyes Karny).
- Fix the energy_performance_preference attribute handling in the
intel_pstate driver in passive mode (Tero Kristo).
- Fix the handling of pm_suspend_target_state when CONFIG_PM is unset
(Kai-Heng Feng).
- Correct spelling mistake in a comment in the hibernation code (Wang
Honghui).
- Add arch_resume_nosmt() prototype to avoid a "missing prototypes"
build warning (Arnd Bergmann).
- Restrict pm_pr_dbg() to system-wide power transitions and use it in
a few additional places (Mario Limonciello).
- Drop verification of in-params from genpd_add_device() and ensure
that all of its callers will do it (Ulf Hansson).
- Prevent possible integer overflows from occurring in
genpd_parse_state() (Nikita Zhandarovich).
- Reorder fieldls in 'struct devfreq_dev_status' to reduce its size
somewhat (Christophe JAILLET).
- Ensure that the Exynos PPMU driver is already loaded before the
Exynos Bus driver starts probing so as to avoid a possible freeze
loading of the kernel modules (Marek Szyprowski).
- Fix variable deferencing before NULL check in the mtk-cci devfreq
driver (Sukrut Bellary).
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Merge tag 'pm-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add Intel TPMI (Topology Aware Register and PM Capsule
Interface) support to the power capping subsystem, extend the
intel_idle driver to work in VM guests where MWAIT is not available,
extend the system-wide power management diagnostics, fix bugs and
clean up code.
Specifics:
- Introduce power capping core support for Intel TPMI (Topology Aware
Register and PM Capsule Interface) and a TPMI interface driver for
Intel RAPL (Zhang Rui, Dan Carpenter)
- Fix CONFIG_IOSF_MBI dependency in the Intel RAPL power capping
driver (Zhang Rui)
- Fix invalid initialization for pl4_supported field in the Intel
RAPL power capping driver (Sumeet Pawnikar)
- Clean up the intel_idle driver, make it work with VM guests that
cannot use the MWAIT instruction and address the case in which the
host may enter a deep idle state when the guest is idle (Arjan van
de Ven)
- Prevent cpufreq drivers that provide the ->adjust_perf() callback
without a ->fast_switch() one which is used as a fallback from the
former in some cases (Wyes Karny)
- Fix some issues related to the AMD P-state cpufreq driver (Mario
Limonciello, Wyes Karny)
- Fix the energy_performance_preference attribute handling in the
intel_pstate driver in passive mode (Tero Kristo)
- Fix the handling of pm_suspend_target_state when CONFIG_PM is unset
(Kai-Heng Feng)
- Correct spelling mistake in a comment in the hibernation code (Wang
Honghui)
- Add arch_resume_nosmt() prototype to avoid a "missing prototypes"
build warning (Arnd Bergmann)
- Restrict pm_pr_dbg() to system-wide power transitions and use it in
a few additional places (Mario Limonciello)
- Drop verification of in-params from genpd_add_device() and ensure
that all of its callers will do it (Ulf Hansson)
- Prevent possible integer overflows from occurring in
genpd_parse_state() (Nikita Zhandarovich)
- Reorder fieldls in 'struct devfreq_dev_status' to reduce its size
somewhat (Christophe JAILLET)
- Ensure that the Exynos PPMU driver is already loaded before the
Exynos Bus driver starts probing so as to avoid a possible freeze
loading of the kernel modules (Marek Szyprowski)
- Fix variable deferencing before NULL check in the mtk-cci devfreq
driver (Sukrut Bellary)"
* tag 'pm-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (42 commits)
intel_idle: Add a "Long HLT" C1 state for the VM guest mode
cpufreq: intel_pstate: Fix energy_performance_preference for passive
cpufreq: amd-pstate: Add a kernel config option to set default mode
cpufreq: amd-pstate: Set a fallback policy based on preferred_profile
ACPI: CPPC: Add definition for undefined FADT preferred PM profile value
cpufreq: amd-pstate: Set default governor to schedutil
PM: domains: Move the verification of in-params from genpd_add_device()
cpufreq: amd-pstate: Make amd-pstate EPP driver name hyphenated
cpufreq: amd-pstate: Write CPPC enable bit per-socket
intel_idle: Add support for using intel_idle in a VM guest using just hlt
cpufreq: Fail driver register if it has adjust_perf without fast_switch
intel_idle: clean up the (new) state_update_enter_method function
intel_idle: refactor state->enter manipulation into its own function
platform/x86/amd: pmc: Use pm_pr_dbg() for suspend related messages
pinctrl: amd: Use pm_pr_dbg to show debugging messages
ACPI: x86: Add pm_debug_messages for LPS0 _DSM state tracking
include/linux/suspend.h: Only show pm_pr_dbg messages at suspend/resume
powercap: RAPL: Fix a NULL vs IS_ERR() bug
powercap: RAPL: Fix CONFIG_IOSF_MBI dependency
powercap: RAPL: fix invalid initialization for pl4_supported field
...
- Reduce ACPI device enumeration overhead related to devices with
dependencies (Rafael Wysocki).
- Fix the handling of Microsoft LPS0 _DSM for suspend-to-idle (Mario
Limonciello).
- Fix section mismatch warning in the ACPI suspend-to-idle code (Arnd
Bergmann).
- Drop several ACPI resource management quirks related to IRQ ovverides
on AMD "Zen" systems (Mario Limonciello).
- Modify the ACPI EC driver to make it only clear the EC GPE status
when handling the GPE (Jeremy Compostella).
- Add quirks to work around ACPI tables defects on Lenovo Yoga Book
yb1-x90f/l and Nextbook Ares 8A (Hans de Goede).
- Add ACPi backlight quirks for Dell Studio 1569, Lenovo ThinkPad X131e
(3371 AMD version) and Apple iMac11,3 and stop trying to use vendor
backlight control on relatively recent systems (Hans de Goede).
- Add pwm_lookup_table entry for second PWM on CHT/BSW devices in the
ACPI LPSS (Intel SoC) driver (Hans de Goede).
- Add nfit_intel_shutdown_status() declaration to a local header to
avoid a "missing prototypes" build warning (Arnd Bergmann).
- Clean up the ACPI thermal driver and drop some dead or otherwise
unneded code from it (Rafael Wysocki).
- Rework the handling of notifications in the ACPI button drivers so
as to allow the common notification handling code for devices to be
simplified (Rafael Wysocki).
- Make ghes_get_devices() return NULL to indicate that there are no
GHES devices so as to allow vendor-specific EDAC drivers to probe
then (Li Yang).
- Mark bert_disable() as __initdata and drop an unused function from
the APEI GHES code (Miaohe Lin).
- Make the ACPI PAD (Processor Aggregator Device) driver realize that
Zhaoxin CPUs support nonstop TSC (Tony W Wang-oc).
- Drop the certainly unnecessary and likely incorrect inclusion of
linux/arm-smccc.h from acpi_ffh.c (Sudeep Holla).
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Merge tag 'acpi-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These rework the handling of notifications in ACPI button drivers (to
enable future simplifications and cleanups), clean up the ACPI thermal
driver, update the ACPI backlight driver, add quirks working around
AML bugs on some systems, fix some assorted issues and clean up code.
Specifics:
- Reduce ACPI device enumeration overhead related to devices with
dependencies (Rafael Wysocki)
- Fix the handling of Microsoft LPS0 _DSM for suspend-to-idle (Mario
Limonciello)
- Fix section mismatch warning in the ACPI suspend-to-idle code (Arnd
Bergmann)
- Drop several ACPI resource management quirks related to IRQ
ovverides on AMD "Zen" systems (Mario Limonciello)
- Modify the ACPI EC driver to make it only clear the EC GPE status
when handling the GPE (Jeremy Compostella)
- Add quirks to work around ACPI tables defects on Lenovo Yoga Book
yb1-x90f/l and Nextbook Ares 8A (Hans de Goede)
- Add ACPi backlight quirks for Dell Studio 1569, Lenovo ThinkPad
X131e (3371 AMD version) and Apple iMac11,3 and stop trying to use
vendor backlight control on relatively recent systems (Hans de
Goede)
- Add pwm_lookup_table entry for second PWM on CHT/BSW devices in the
ACPI LPSS (Intel SoC) driver (Hans de Goede)
- Add nfit_intel_shutdown_status() declaration to a local header to
avoid a "missing prototypes" build warning (Arnd Bergmann)
- Clean up the ACPI thermal driver and drop some dead or otherwise
unneded code from it (Rafael Wysocki)
- Rework the handling of notifications in the ACPI button drivers so
as to allow the common notification handling code for devices to be
simplified (Rafael Wysocki)
- Make ghes_get_devices() return NULL to indicate that there are no
GHES devices so as to allow vendor-specific EDAC drivers to probe
then (Li Yang)
- Mark bert_disable() as __initdata and drop an unused function from
the APEI GHES code (Miaohe Lin)
- Make the ACPI PAD (Processor Aggregator Device) driver realize that
Zhaoxin CPUs support nonstop TSC (Tony W Wang-oc)
- Drop the certainly unnecessary and likely incorrect inclusion of
linux/arm-smccc.h from acpi_ffh.c (Sudeep Holla)"
* tag 'acpi-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (30 commits)
ACPI: video: Add backlight=native DMI quirk for Dell Studio 1569
ACPI: thermal: Drop struct acpi_thermal_flags
ACPI: thermal: Drop struct acpi_thermal_state
ACPI: bus: Simplify installation and removal of notify callback
ACPI: tiny-power-button: Eliminate the driver notify callback
ACPI: button: Use different notify handlers for lid and buttons
ACPI: button: Eliminate the driver notify callback
ACPI: thermal: Eliminate struct acpi_thermal_state_flags
ACPI: thermal: Move acpi_thermal_driver definition
ACPI: thermal: Move symbol definitions to one place
ACPI: thermal: Drop redundant ACPI_TRIPS_REFRESH_DEVICES symbol
ACPI: thermal: Use BIT() macro for defining flags
APEI: GHES: correctly return NULL for ghes_get_devices()
ACPI: FFH: Drop the inclusion of linux/arm-smccc.h
ACPI: PAD: mark Zhaoxin CPUs NONSTOP TSC correctly
ACPI: APEI: mark bert_disable as __initdata
ACPI: EC: Clear GPE on interrupt handling only
ACPI: video: Stop trying to use vendor backlight control on laptops from after ~2012
ACPI: x86: s2idle: Adjust Microsoft LPS0 _DSM handling sequence
ACPI: resource: Remove "Zen" specific match and quirks
...
- Support for the Armv8.9 Permission Indirection Extensions. While this
feature doesn't add new functionality, it enables future support for
Guarded Control Stacks (GCS) and Permission Overlays.
- User-space support for the Armv8.8 memcpy/memset instructions.
- arm64 perf: support the HiSilicon SoC uncore PMU, Arm CMN sysfs
identifier, support for the NXP i.MX9 SoC DDRC PMU, fixes and
cleanups.
- Removal of superfluous ISBs on context switch (following retrospective
architecture tightening).
- Decode the ISS2 register during faults for additional information to
help with debugging.
- KPTI clean-up/simplification of the trampoline exit code.
- Addressing several -Wmissing-prototype warnings.
- Kselftest improvements for signal handling and ptrace.
- Fix TPIDR2_EL0 restoring on sigreturn
- Clean-up, robustness improvements of the module allocation code.
- More sysreg conversions to the automatic register/bitfields
generation.
- CPU capabilities handling cleanup.
- Arm documentation updates: ACPI, ptdump.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
"Notable features are user-space support for the memcpy/memset
instructions and the permission indirection extension.
- Support for the Armv8.9 Permission Indirection Extensions. While
this feature doesn't add new functionality, it enables future
support for Guarded Control Stacks (GCS) and Permission Overlays
- User-space support for the Armv8.8 memcpy/memset instructions
- arm64 perf: support the HiSilicon SoC uncore PMU, Arm CMN sysfs
identifier, support for the NXP i.MX9 SoC DDRC PMU, fixes and
cleanups
- Removal of superfluous ISBs on context switch (following
retrospective architecture tightening)
- Decode the ISS2 register during faults for additional information
to help with debugging
- KPTI clean-up/simplification of the trampoline exit code
- Addressing several -Wmissing-prototype warnings
- Kselftest improvements for signal handling and ptrace
- Fix TPIDR2_EL0 restoring on sigreturn
- Clean-up, robustness improvements of the module allocation code
- More sysreg conversions to the automatic register/bitfields
generation
- CPU capabilities handling cleanup
- Arm documentation updates: ACPI, ptdump"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (124 commits)
kselftest/arm64: Add a test case for TPIDR2 restore
arm64/signal: Restore TPIDR2 register rather than memory state
arm64: alternatives: make clean_dcache_range_nopatch() noinstr-safe
Documentation/arm64: Add ptdump documentation
arm64: hibernate: remove WARN_ON in save_processor_state
kselftest/arm64: Log signal code and address for unexpected signals
docs: perf: Fix warning from 'make htmldocs' in hisi-pmu.rst
arm64/fpsimd: Exit streaming mode when flushing tasks
docs: perf: Add new description for HiSilicon UC PMU
drivers/perf: hisi: Add support for HiSilicon UC PMU driver
drivers/perf: hisi: Add support for HiSilicon H60PA and PAv3 PMU driver
perf: arm_cspmu: Add missing MODULE_DEVICE_TABLE
perf/arm-cmn: Add sysfs identifier
perf/arm-cmn: Revamp model detection
perf/arm_dmc620: Add cpumask
arm64: mm: fix VA-range sanity check
arm64/mm: remove now-superfluous ISBs from TTBR writes
Documentation/arm64: Update ACPI tables from BBR
Documentation/arm64: Update references in arm-acpi
Documentation/arm64: Update ARM and arch reference
...
- Parallel CPU bringup
The reason why people are interested in parallel bringup is to shorten
the (kexec) reboot time of cloud servers to reduce the downtime of the
VM tenants.
The current fully serialized bringup does the following per AP:
1) Prepare callbacks (allocate, intialize, create threads)
2) Kick the AP alive (e.g. INIT/SIPI on x86)
3) Wait for the AP to report alive state
4) Let the AP continue through the atomic bringup
5) Let the AP run the threaded bringup to full online state
There are two significant delays:
#3 The time for an AP to report alive state in start_secondary() on
x86 has been measured in the range between 350us and 3.5ms
depending on vendor and CPU type, BIOS microcode size etc.
#4 The atomic bringup does the microcode update. This has been
measured to take up to ~8ms on the primary threads depending on
the microcode patch size to apply.
On a two socket SKL server with 56 cores (112 threads) the boot CPU
spends on current mainline about 800ms busy waiting for the APs to come
up and apply microcode. That's more than 80% of the actual onlining
procedure.
This can be reduced significantly by splitting the bringup mechanism
into two parts:
1) Run the prepare callbacks and kick the AP alive for each AP which
needs to be brought up.
The APs wake up, do their firmware initialization and run the low
level kernel startup code including microcode loading in parallel
up to the first synchronization point. (#1 and #2 above)
2) Run the rest of the bringup code strictly serialized per CPU
(#3 - #5 above) as it's done today.
Parallelizing that stage of the CPU bringup might be possible in
theory, but it's questionable whether required surgery would be
justified for a pretty small gain.
If the system is large enough the first AP is already waiting at the
first synchronization point when the boot CPU finished the wake-up of
the last AP. That reduces the AP bringup time on that SKL from ~800ms
to ~80ms, i.e. by a factor ~10x.
The actual gain varies wildly depending on the system, CPU, microcode
patch size and other factors. There are some opportunities to reduce
the overhead further, but that needs some deep surgery in the x86 CPU
bringup code.
For now this is only enabled on x86, but the core functionality
obviously works for all SMP capable architectures.
- Enhancements for SMP function call tracing so it is possible to locate
the scheduling and the actual execution points. That allows to measure
IPI delivery time precisely.
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Merge tag 'smp-core-2023-06-26' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull SMP updates from Thomas Gleixner:
"A large update for SMP management:
- Parallel CPU bringup
The reason why people are interested in parallel bringup is to
shorten the (kexec) reboot time of cloud servers to reduce the
downtime of the VM tenants.
The current fully serialized bringup does the following per AP:
1) Prepare callbacks (allocate, intialize, create threads)
2) Kick the AP alive (e.g. INIT/SIPI on x86)
3) Wait for the AP to report alive state
4) Let the AP continue through the atomic bringup
5) Let the AP run the threaded bringup to full online state
There are two significant delays:
#3 The time for an AP to report alive state in start_secondary()
on x86 has been measured in the range between 350us and 3.5ms
depending on vendor and CPU type, BIOS microcode size etc.
#4 The atomic bringup does the microcode update. This has been
measured to take up to ~8ms on the primary threads depending
on the microcode patch size to apply.
On a two socket SKL server with 56 cores (112 threads) the boot CPU
spends on current mainline about 800ms busy waiting for the APs to
come up and apply microcode. That's more than 80% of the actual
onlining procedure.
This can be reduced significantly by splitting the bringup
mechanism into two parts:
1) Run the prepare callbacks and kick the AP alive for each AP
which needs to be brought up.
The APs wake up, do their firmware initialization and run the
low level kernel startup code including microcode loading in
parallel up to the first synchronization point. (#1 and #2
above)
2) Run the rest of the bringup code strictly serialized per CPU
(#3 - #5 above) as it's done today.
Parallelizing that stage of the CPU bringup might be possible
in theory, but it's questionable whether required surgery
would be justified for a pretty small gain.
If the system is large enough the first AP is already waiting at
the first synchronization point when the boot CPU finished the
wake-up of the last AP. That reduces the AP bringup time on that
SKL from ~800ms to ~80ms, i.e. by a factor ~10x.
The actual gain varies wildly depending on the system, CPU,
microcode patch size and other factors. There are some
opportunities to reduce the overhead further, but that needs some
deep surgery in the x86 CPU bringup code.
For now this is only enabled on x86, but the core functionality
obviously works for all SMP capable architectures.
- Enhancements for SMP function call tracing so it is possible to
locate the scheduling and the actual execution points. That allows
to measure IPI delivery time precisely"
* tag 'smp-core-2023-06-26' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tip/tip: (45 commits)
trace,smp: Add tracepoints for scheduling remotelly called functions
trace,smp: Add tracepoints around remotelly called functions
MAINTAINERS: Add CPU HOTPLUG entry
x86/smpboot: Fix the parallel bringup decision
x86/realmode: Make stack lock work in trampoline_compat()
x86/smp: Initialize cpu_primary_thread_mask late
cpu/hotplug: Fix off by one in cpuhp_bringup_mask()
x86/apic: Fix use of X{,2}APIC_ENABLE in asm with older binutils
x86/smpboot/64: Implement arch_cpuhp_init_parallel_bringup() and enable it
x86/smpboot: Support parallel startup of secondary CPUs
x86/smpboot: Implement a bit spinlock to protect the realmode stack
x86/apic: Save the APIC virtual base address
cpu/hotplug: Allow "parallel" bringup up to CPUHP_BP_KICK_AP_STATE
x86/apic: Provide cpu_primary_thread mask
x86/smpboot: Enable split CPU startup
cpu/hotplug: Provide a split up CPUHP_BRINGUP mechanism
cpu/hotplug: Reset task stack state in _cpu_up()
cpu/hotplug: Remove unused state functions
riscv: Switch to hotplug core state synchronization
parisc: Switch to hotplug core state synchronization
...
Merge updates related to system-wide power management and generic power
domains (genpd) updates for 6.5-rc1:
- Fix the handling of pm_suspend_target_state when CONFIG_PM is unset
(Kai-Heng Feng).
- Correct spelling mistake in a comment in the hibernation code (Wang
Honghui).
- Add arch_resume_nosmt() prototype to avoid a "missing prototypes"
build warning (Arnd Bergmann).
- Restrict pm_pr_dbg() to system-wide power transitions and use it in
a few additional places (Mario Limonciello).
- Drop verification of in-params from genpd_add_device() and ensure
that all of its callers will do it (Ulf Hansson).
- Prevent possible integer overflows from occurring in
genpd_parse_state() (Nikita Zhandarovich).
* pm-sleep:
platform/x86/amd: pmc: Use pm_pr_dbg() for suspend related messages
pinctrl: amd: Use pm_pr_dbg to show debugging messages
ACPI: x86: Add pm_debug_messages for LPS0 _DSM state tracking
include/linux/suspend.h: Only show pm_pr_dbg messages at suspend/resume
PM: suspend: add a arch_resume_nosmt() prototype
PM: hibernate: Correct spelling mistake in a comment
PM: suspend: Fix pm_suspend_target_state handling for !CONFIG_PM
* pm-domains:
PM: domains: Move the verification of in-params from genpd_add_device()
PM: domains: fix integer overflow issues in genpd_parse_state()
Merge ACPI APEI changes, an ACPI PAD driver update and an ACPI FFH
handling cleanup related to ARM64 for 6.5-rc1:
- Make ghes_get_devices() return NULL to indicate that there are no
GHES devices so as to allow vendor-specific EDAC drivers to probe
then (Li Yang).
- Mark bert_disable() as __initdata and drop an unused function from
the APEI GHES code (Miaohe Lin).
- Make the ACPI PAD (Processor Aggregator Device) driver realize that
Zhaoxin CPUs support nonstop TSC (Tony W Wang-oc).
- Drop the certainly unnecessary and likely incorrect inclusion of
linux/arm-smccc.h from acpi_ffh.c (Sudeep Holla).
* acpi-apei:
APEI: GHES: correctly return NULL for ghes_get_devices()
ACPI: APEI: mark bert_disable as __initdata
ACPI: APEI: GHES: Remove unused ghes_estatus_pool_size_request()
* acpi-pad:
ACPI: PAD: mark Zhaoxin CPUs NONSTOP TSC correctly
* acpi-misc:
ACPI: FFH: Drop the inclusion of linux/arm-smccc.h
Merge ACPI thermal driver cleanups and ACPI button drivers rework for
6.5-rc1:
- Clean up the ACPI thermal driver and drop some dead or otherwise
unneded code from it (Rafael Wysocki).
- Rework the handling of notifications in the ACPI button drivers so
as to allow the common notification handling code for devices to be
simplified (Rafael Wysocki).
* acpi-thermal:
ACPI: thermal: Drop struct acpi_thermal_flags
ACPI: thermal: Drop struct acpi_thermal_state
ACPI: thermal: Eliminate struct acpi_thermal_state_flags
ACPI: thermal: Move acpi_thermal_driver definition
ACPI: thermal: Move symbol definitions to one place
ACPI: thermal: Drop redundant ACPI_TRIPS_REFRESH_DEVICES symbol
ACPI: thermal: Use BIT() macro for defining flags
* acpi-button:
ACPI: bus: Simplify installation and removal of notify callback
ACPI: tiny-power-button: Eliminate the driver notify callback
ACPI: button: Use different notify handlers for lid and buttons
ACPI: button: Eliminate the driver notify callback
Merge x86-related ACPI changes, backlight-related ACPI changes, an Intel
SoC (LPSS) ACPI driver update and a missing prototype warning fix
related to ACPI NFIT for 6.5-rc1:
- Add quirks to work around ACPI tables defects on Lenovo Yoga Book
yb1-x90f/l and Nextbook Ares 8A (Hans de Goede).
- Add ACPi backlight quirks for Dell Studio 1569, Lenovo ThinkPad X131e
(3371 AMD version) and Apple iMac11,3 and stop trying to use vendor
backlight control on relatively recent systems (Hans de Goede).
- Add pwm_lookup_table entry for second PWM on CHT/BSW devices in the
ACPI LPSS (Intel SoC) driver (Hans de Goede).
- Add nfit_intel_shutdown_status() declaration to a local header to
avoid a "missing prototypes" build warning (Arnd Bergmann).
* acpi-x86:
ACPI: x86: Add ACPI_QUIRK_UART1_SKIP for Lenovo Yoga Book yb1-x90f/l
ACPI: button: Add lid disable DMI quirk for Nextbook Ares 8A
ACPI: x86: Add skip i2c clients quirk for Nextbook Ares 8A
* acpi-video:
ACPI: video: Add backlight=native DMI quirk for Dell Studio 1569
ACPI: video: Stop trying to use vendor backlight control on laptops from after ~2012
ACPI: video: Add backlight=native DMI quirk for Lenovo ThinkPad X131e (3371 AMD version)
ACPI: video: Add backlight=native DMI quirk for Apple iMac11,3
* acpi-soc:
ACPI: LPSS: Add pwm_lookup_table entry for second PWM on CHT/BSW devices
* acpi-tables:
ACPI: NFIT: Add declaration in a local header
Merge ACPI device enumeration changes, ACPI power management update,
ACPI resources management updates and an EC driver update for 6.5-rc1:
- Reduce ACPI device enumeration overhead related to devices with
dependencies (Rafael Wysocki).
- Fix the handling of Microsoft LPS0 _DSM for suspend-to-idle (Mario
Limonciello).
- Fix section mismatch warning in the ACPI suspend-to-idle code (Arnd
Bergmann).
- Drop several ACPI resource management quirks related to IRQ ovverides
on AMD "Zen" systems (Mario Limonciello).
- Modify the ACPI EC driver to make it only clear the EC GPE status
when handling the GPE (Jeremy Compostella).
* acpi-scan:
ACPI: scan: Reduce overhead related to devices with dependencies
* acpi-pm:
ACPI: x86: s2idle: Adjust Microsoft LPS0 _DSM handling sequence
ACPI: PM: s2idle: fix section mismatch warning
* acpi-resource:
ACPI: resource: Remove "Zen" specific match and quirks
* acpi-ec:
ACPI: EC: Clear GPE on interrupt handling only
* arm64/for-next/perf:
docs: perf: Fix warning from 'make htmldocs' in hisi-pmu.rst
docs: perf: Add new description for HiSilicon UC PMU
drivers/perf: hisi: Add support for HiSilicon UC PMU driver
drivers/perf: hisi: Add support for HiSilicon H60PA and PAv3 PMU driver
perf: arm_cspmu: Add missing MODULE_DEVICE_TABLE
perf/arm-cmn: Add sysfs identifier
perf/arm-cmn: Revamp model detection
perf/arm_dmc620: Add cpumask
dt-bindings: perf: fsl-imx-ddr: Add i.MX93 compatible
drivers/perf: imx_ddr: Add support for NXP i.MX9 SoC DDRC PMU driver
perf/arm_cspmu: Decouple APMT dependency
perf/arm_cspmu: Clean up ACPI dependency
ACPI/APMT: Don't register invalid resource
perf/arm_cspmu: Fix event attribute type
perf: arm_cspmu: Set irq affinitiy only if overflow interrupt is used
drivers/perf: hisi: Don't migrate perf to the CPU going to teardown
drivers/perf: apple_m1: Force 63bit counters for M2 CPUs
perf/arm-cmn: Fix DTC reset
perf: qcom_l2_pmu: Make l2_cache_pmu_probe_cluster() more robust
perf/arm-cci: Slightly optimize cci_pmu_sync_counters()
* for-next/kpti:
: Simplify KPTI trampoline exit code
arm64: entry: Simplify tramp_alias macro and tramp_exit routine
arm64: entry: Preserve/restore X29 even for compat tasks
* for-next/missing-proto-warn:
: Address -Wmissing-prototype warnings
arm64: add alt_cb_patch_nops prototype
arm64: move early_brk64 prototype to header
arm64: signal: include asm/exception.h
arm64: kaslr: add kaslr_early_init() declaration
arm64: flush: include linux/libnvdimm.h
arm64: module-plts: inline linux/moduleloader.h
arm64: hide unused is_valid_bugaddr()
arm64: efi: add efi_handle_corrupted_x18 prototype
arm64: cpuidle: fix #ifdef for acpi functions
arm64: kvm: add prototypes for functions called in asm
arm64: spectre: provide prototypes for internal functions
arm64: move cpu_suspend_set_dbg_restorer() prototype to header
arm64: avoid prototype warnings for syscalls
arm64: add scs_patch_vmlinux prototype
arm64: xor-neon: mark xor_arm64_neon_*() static
* for-next/iss2-decode:
: Add decode of ISS2 to data abort reports
arm64/esr: Add decode of ISS2 to data abort reporting
arm64/esr: Use GENMASK() for the ISS mask
* for-next/kselftest:
: Various arm64 kselftest improvements
kselftest/arm64: Log signal code and address for unexpected signals
kselftest/arm64: Add a smoke test for ptracing hardware break/watch points
* for-next/misc:
: Miscellaneous patches
arm64: alternatives: make clean_dcache_range_nopatch() noinstr-safe
arm64: hibernate: remove WARN_ON in save_processor_state
arm64/fpsimd: Exit streaming mode when flushing tasks
arm64: mm: fix VA-range sanity check
arm64/mm: remove now-superfluous ISBs from TTBR writes
arm64: consolidate rox page protection logic
arm64: set __exception_irq_entry with __irq_entry as a default
arm64: syscall: unmask DAIF for tracing status
arm64: lockdep: enable checks for held locks when returning to userspace
arm64/cpucaps: increase string width to properly format cpucaps.h
arm64/cpufeature: Use helper for ECV CNTPOFF cpufeature
* for-next/feat_mops:
: Support for ARMv8.8 memcpy instructions in userspace
kselftest/arm64: add MOPS to hwcap test
arm64: mops: allow disabling MOPS from the kernel command line
arm64: mops: detect and enable FEAT_MOPS
arm64: mops: handle single stepping after MOPS exception
arm64: mops: handle MOPS exceptions
KVM: arm64: hide MOPS from guests
arm64: mops: don't disable host MOPS instructions from EL2
arm64: mops: document boot requirements for MOPS
KVM: arm64: switch HCRX_EL2 between host and guest
arm64: cpufeature: detect FEAT_HCX
KVM: arm64: initialize HCRX_EL2
* for-next/module-alloc:
: Make the arm64 module allocation code more robust (clean-up, VA range expansion)
arm64: module: rework module VA range selection
arm64: module: mandate MODULE_PLTS
arm64: module: move module randomization to module.c
arm64: kaslr: split kaslr/module initialization
arm64: kasan: remove !KASAN_VMALLOC remnants
arm64: module: remove old !KASAN_VMALLOC logic
* for-next/sysreg: (21 commits)
: More sysreg conversions to automatic generation
arm64/sysreg: Convert TRBIDR_EL1 register to automatic generation
arm64/sysreg: Convert TRBTRG_EL1 register to automatic generation
arm64/sysreg: Convert TRBMAR_EL1 register to automatic generation
arm64/sysreg: Convert TRBSR_EL1 register to automatic generation
arm64/sysreg: Convert TRBBASER_EL1 register to automatic generation
arm64/sysreg: Convert TRBPTR_EL1 register to automatic generation
arm64/sysreg: Convert TRBLIMITR_EL1 register to automatic generation
arm64/sysreg: Rename TRBIDR_EL1 fields per auto-gen tools format
arm64/sysreg: Rename TRBTRG_EL1 fields per auto-gen tools format
arm64/sysreg: Rename TRBMAR_EL1 fields per auto-gen tools format
arm64/sysreg: Rename TRBSR_EL1 fields per auto-gen tools format
arm64/sysreg: Rename TRBBASER_EL1 fields per auto-gen tools format
arm64/sysreg: Rename TRBPTR_EL1 fields per auto-gen tools format
arm64/sysreg: Rename TRBLIMITR_EL1 fields per auto-gen tools format
arm64/sysreg: Convert OSECCR_EL1 to automatic generation
arm64/sysreg: Convert OSDTRTX_EL1 to automatic generation
arm64/sysreg: Convert OSDTRRX_EL1 to automatic generation
arm64/sysreg: Convert OSLAR_EL1 to automatic generation
arm64/sysreg: Standardise naming of bitfield constants in OSL[AS]R_EL1
arm64/sysreg: Convert MDSCR_EL1 to automatic register generation
...
* for-next/cpucap:
: arm64 cpucap clean-up
arm64: cpufeature: fold cpus_set_cap() into update_cpu_capabilities()
arm64: cpufeature: use cpucap naming
arm64: alternatives: use cpucap naming
arm64: standardise cpucap bitmap names
* for-next/acpi:
: Various arm64-related ACPI patches
ACPI: bus: Consolidate all arm specific initialisation into acpi_arm_init()
* for-next/kdump:
: Simplify the crashkernel reservation behaviour of crashkernel=X,high on arm64
arm64: add kdump.rst into index.rst
Documentation: add kdump.rst to present crashkernel reservation on arm64
arm64: kdump: simplify the reservation behaviour of crashkernel=,high
* for-next/acpi-doc:
: Update ACPI documentation for Arm systems
Documentation/arm64: Update ACPI tables from BBR
Documentation/arm64: Update references in arm-acpi
Documentation/arm64: Update ARM and arch reference
* for-next/doc:
: arm64 documentation updates
Documentation/arm64: Add ptdump documentation
* for-next/tpidr2-fix:
: Fix the TPIDR2_EL0 register restoring on sigreturn
kselftest/arm64: Add a test case for TPIDR2 restore
arm64/signal: Restore TPIDR2 register rather than memory state
The Dell Studio 1569 predates Windows 8, so it defaults to using
acpi_video# for backlight control, but this is non functional on
this model.
Add a DMI quirk to use the native intel_backlight interface which
does work properly.
Reported-by: raycekarneal <raycekarneal@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Drop struct acpi_thermal_flags which is not really used (only one
flag in it is ever set, but it is never read) and call
acpi_execute_simple_method() directly to evaluate _SCP instead of
using acpi_thermal_set_cooling_mode(), which has no callers after
that change, so drop it.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Drop struct acpi_thermal_state which is not really used.
No functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Because the only drivers that cared about button fixed events take care
of those events by themselves now, eliminate the code related to them
from acpi_device_install_notify_handler() and
acpi_device_remove_notify_handler().
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Rework the ACPI tiny-power-button driver to install a notify handler or
a fixed event handler for the device it binds to by itself and drop its
notify callback.
This will allow acpi_device_install_notify_handler() and
acpi_device_remove_notify_handler() to be simplified going forward.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Since the lid handling in acpi_button_notify() is special, introduce
acpi_lid_notify() specifically for handling lid notifications.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Rework the ACPI button driver to install notify handlers or fixed
event handlers for the devices it binds to by itself, reduce the
indentation level in its notify handler routine and drop its
notify callback.
This will allow acpi_device_install_notify_handler() and
acpi_device_remove_notify_handler() to be simplified going forward
and it will allow the driver to use different notify handlers for the
lid and for the power and sleep buttons.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Michal Wilczynski <michal.wilczynski@intel.com>
The addition of might_sleep() to down_timeout() caused the latter to
enable interrupts unconditionally in some cases, which in turn broke
the ACPI S3 wakeup path in acpi_suspend_enter(), where down_timeout()
is called by acpi_disable_all_gpes() via acpi_ut_acquire_mutex().
Namely, if CONFIG_DEBUG_ATOMIC_SLEEP is set, might_sleep() causes
might_resched() to be used and if CONFIG_PREEMPT_VOLUNTARY is set,
this triggers __cond_resched() which may call preempt_schedule_common(),
so __schedule() gets invoked and it ends up with enabled interrupts (in
the prev == next case).
Now, enabling interrupts early in the S3 wakeup path causes the kernel
to crash.
Address this by modifying acpi_suspend_enter() to disable GPEs without
attempting to acquire the sleeping lock which is not needed in that code
path anyway.
Fixes: 99409b935c ("locking/semaphore: Add might_sleep() to down_*() family")
Reported-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: 5.15+ <stable@vger.kernel.org> # 5.15+
Enabling debugging messages for the state requires turning on dynamic
debugging for the file. To make it more accessible, use
`pm_debug_messages` and clearer strings for what is happening.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Notice that the enabled flag is only needed for active trip points,
so drop struct acpi_thermal_state_flags, add a simple "bool valid" field
to the definitions of all trip point structures instead of flags and
add a "bool enabled" field to struct acpi_thermal_active.
Adjust the code using the modified structures accordingly.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Michal Wilczynski <michal.wilczynski@intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Move the definition of the acpi_thermal_driver structure closer to the
initialization code that registes the driver, so some function forward
declarations can be dropped.
Also move the module information to the end of the file where it is
usually located.
No functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Move all of the symbol definitions to the initial part of the code so
they all can be found in one place.
While at it, consolidate white space used in there.
No functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Michal Wilczynski <michal.wilczynski@intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Drop the ACPI_TRIPS_REFRESH_DEVICES symbol which is redundant, because
ACPI_TRIPS_DEVICES can be used directly instead of it without any
drawbacks and rename the ACPI_TRIPS_REFRESH_THRESHOLDS to
ACPI_TRIPS_THRESHOLDS to make the code a bit more consistent.
While at it, fix up some formatting white space used in the symbol
definitions.
No functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Michal Wilczynski <michal.wilczynski@intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Use the BIT() macro for defining flag symbols in the ACPI thermal driver
instead of using "raw" values for the flags.
No functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Michal Wilczynski <michal.wilczynski@intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Since 315bada690 ("EDAC: Check for GHES preference in the
chipset-specific EDAC drivers"), vendor specific EDAC driver will not
probe correctly when CONFIG_ACPI_APEI_GHES is enabled but no GHES device
is present. Make ghes_get_devices() return NULL when the GHES device
list is empty to fix the problem.
Fixes: 9057a3f7ac ("EDAC/ghes: Prepare to make ghes_edac a proper module")
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The inclusion of linux/arm-smccc.h in acpi_ffh is unnecessary and can
be even termed wrong. It is needed in the arm64 architecture callback
implementation and probably is the leftover from the missed cleanup of
the initial implementation.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Zhaoxin CPUs support NONSTOP TSC feature, so do not mark these CPUs
TSC unstable when use the acpi_pad driver.
Signed-off-by: Tony W Wang-oc <TonyWWang-oc@zhaoxin.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
It's only used inside the __init section. Mark it __initdata.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
On multiple devices I work on, we noticed that
/sys/firmware/acpi/interrupts/sci_not is non-zero and keeps increasing
over time.
It turns out that there is a race condition between servicing a GPE
interrupt and handling task driven transactions.
If a GPE interrupt is received at the same time ec_poll() is running,
the advance_transaction() clears the GPE flag and the interrupt is not
serviced as acpi_ev_detect_gpe() relies on the GPE flag to call the
handler. As a result, `sci_not' is increased.
To address this, move the GPE status check and clearing from
advance_transaction() directly into acpi_ec_handle_interrupt(), so the
EC GPE only gets cleared in the interrupt handling path.
Signed-off-by: Jeremy Compostella <jeremy.compostella@intel.com>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There have been 2 separate reports now about a non working
"dell_backlight" device getting registered under /sys/class/backlight
1 report for a Raptor Lake based Dell and 1 report for a Meteor Lake
(development) platform.
On hw from the last 10 years dell-laptop will not register "dell_backlight"
because acpi_video_get_backlight_type() will return acpi_backlight_video
there if called before the GPU/kms driver loads. So it does not matter if
the GPU driver's native backlight is registered after dell-laptop loads.
But it seems that on the latest generation laptops the ACPI tables
no longer contain acpi_video backlight control support which causes
acpi_video_get_backlight_type() to return acpi_backlight_vendor causing
"dell_backlight" to get registered if the dell-laptop module is loaded
before the GPU/kms driver.
Vendor specific backlight control like the "dell_backlight" device is
only necessary on quite old hw (from before acpi_video backlight control
was introduced). Work around "dell_backlight" registering on very new
hw (where acpi_video backlight control seems to be no more) by making
acpi_video_get_backlight_type() return acpi_backlight_none instead
of acpi_backlight_vendor as final fallback when the ACPI tables have
support for Windows 8 or later (laptops from after ~2012).
Suggested-by: Matthew Garrett <mjg59@srcf.ucam.org>
Reported-by: AceLan Kao <acelan.kao@canonical.com>
Closes: https://lore.kernel.org/platform-driver-x86/20230607034331.576623-1-acelan.kao@canonical.com/
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Don't register a resource for the second page unless the dual-page
extension flag is actually present to say it's valid.
CC: Lorenzo Pieralisi <lpieralisi@kernel.org>
CC: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Reviewed-and-tested-by: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Link: https://lore.kernel.org/r/63b34656e1f7b41bcb458fb6d7496e04db757e0d.1685983270.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
Move all of the ARM-specific initialization into one function namely
acpi_arm_init(), so it is not necessary to modify/update bus.c every
time a new piece of it is added.
Cc: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/CAJZ5v0iBZRZmV_oU+VurqxnVMbFN_ttqrL=cLh0sUH+=u0PYsw@mail.gmail.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
Link: https://lore.kernel.org/r/20230606093531.2746732-1-sudeep.holla@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
In Windows the Microsoft _DSM doesn't call functions 3->5->7 for suspend
and 8->6->4 for resume like Linux currently does.
Rather it calls 3->7->5 for suspend and 6->8->4 for resume.
Align this calling order for Linux as well.
Link: https://learn.microsoft.com/en-us/windows-hardware/design/device-experiences/modern-standby-states
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
commit 9946e39fe8 ("ACPI: resource: skip IRQ override on
AMD Zen platforms") attempted to overhaul the override logic so it
didn't apply on X86 AMD Zen systems. This was intentional so that
systems would prefer DSDT values instead of default MADT value for
IRQ 1 on Ryzen 6000 systems which typically uses ActiveLow for IRQ1.
This turned out to be a bad assumption because several vendors
add Interrupt Source Override but don't fix the DSDT. A pile of
quirks was collecting that proved this wasn't sustaintable.
Furthermore some vendors have used ActiveHigh for IRQ1.
To solve this problem revert the following commits:
* commit 17bb7046e7 ("ACPI: resource: Do IRQ override on all TongFang
GMxRGxx")
* commit f3cb9b7408 ("ACPI: resource: do IRQ override on Lenovo 14ALC7")
* commit bfcdf58380 ("ACPI: resource: do IRQ override on LENOVO IdeaPad")
* commit 7592b79ba4 ("ACPI: resource: do IRQ override on XMG Core 15")
* commit 9946e39fe8 ("ACPI: resource: skip IRQ override on AMD Zen
platforms")
Reported-by: evilsnoo@proton.me
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217394
Reported-by: ruinairas1992@gmail.com
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217406
Reported-by: nmschulte@gmail.com
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217336
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Werner Sembach <wse@tuxedocomputers.com>
Tested-by: Chuanhong Guo <gch981213@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The acpi_sleep_suspend_setup() function is missing an __init annotation,
which causes a warning in rare configurations that end up not inlining
it into its caller:
WARNING: modpost: vmlinux.o: section mismatch in reference: acpi_sleep_suspend_setup (section: .text) -> acpi_s2idle_setup (section: .init.text)
It's only called from an __init function, so adding the annotation is
correct here.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ghes_estatus_pool_size_request() is unused now, so remove it.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The nfit_intel_shutdown_status() function has a __weak defintion
in nfit.c and an override in acpi_nfit_test.c for testing
purposes. This works without an extern declaration, but causes
a W=1 build warning:
drivers/acpi/nfit/core.c:1717:13: error: no previous prototype for 'nfit_intel_shutdown_status' [-Werror=missing-prototypes]
Add a declaration in a header that gets included from both
sides to shut up the warning and ensure that the prototypes
actually match.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Notice that all of the objects for which the acpi_scan_check_dep()
return value is greater than 0 are present in acpi_dep_list as consumers
(there may be multiple entries for one object, but that is not a
problem), so after carrying out the initial ACPI namespace walk in which
devices with dependencies are skipped, acpi_bus_scan() can simply walk
acpi_dep_list and enumerate all of the unique consumer objects from
there and their descendants instead of walking the entire target branch
of the ACPI namespace and looking for device objects that have not been
enumerated yet in it.
Because walking acpi_dep_list is generally less overhead than walking
the entire ACPI namespace, use the observation above to reduce the
system initialization overhead related to ACPI, which is particularly
important on large systems.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
- fix harmless warning in zboot code on 'make clean'
- add some missing prototypes
- fix boot regressions triggered by PE/COFF header image minor version
bump
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Merge tag 'efi-fixes-for-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
"A few minor fixes for EFI, one of which fixes the reported boot
regression when booting x86 kernels using the BIOS based loader built
into the hypervisor framework on macOS.
- fix harmless warning in zboot code on 'make clean'
- add some missing prototypes
- fix boot regressions triggered by PE/COFF header image minor
version bump"
* tag 'efi-fixes-for-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: Bump stub image version for macOS HVF compatibility
efi: fix missing prototype warnings
efi/libstub: zboot: Avoid eager evaluation of objcopy flags
RHCT is a new table defined for RISC-V to communicate the
features of the CPU to the OS. Create a new architecture folder
in drivers/acpi and add RHCT parsing code.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/r/20230515054928.2079268-11-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
processor_core needs arch-specific functions to map the ACPI ID
to the physical ID. In RISC-V platforms, hartid is the physical id
and RINTC structure in MADT provides this mapping. Add arch-specific
function to get this mapping from RINTC.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20230515054928.2079268-8-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Without this, if the tables are larger than 4K,
acpi_map() will fail.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20230515054928.2079268-6-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
When MADT is parsed, print RINTC information as below:
ACPI: RISC-V INTC (acpi_uid[0x0000] hart_id[0x0] enabled)
ACPI: RISC-V INTC (acpi_uid[0x0001] hart_id[0x1] enabled)
...
ACPI: RISC-V INTC (acpi_uid[0x000f] hart_id[0xf] enabled)
This debug information will be very helpful during bring up.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20230515054928.2079268-5-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
The cper.c file needs to include an extra header, and efi_zboot_entry
needs an extern declaration to avoid these 'make W=1' warnings:
drivers/firmware/efi/libstub/zboot.c:65:1: error: no previous prototype for 'efi_zboot_entry' [-Werror=missing-prototypes]
drivers/firmware/efi/efi.c:176:16: error: no previous prototype for 'efi_attr_is_visible' [-Werror=missing-prototypes]
drivers/firmware/efi/cper.c:626:6: error: no previous prototype for 'cper_estatus_print' [-Werror=missing-prototypes]
drivers/firmware/efi/cper.c:649:5: error: no previous prototype for 'cper_estatus_check_header' [-Werror=missing-prototypes]
drivers/firmware/efi/cper.c:662:5: error: no previous prototype for 'cper_estatus_check' [-Werror=missing-prototypes]
To make this easier, move the cper specific declarations to
include/linux/cper.h.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
BSW PWM2 is used for backlight control for fixed (etched into the glass)
touch controls on some models.
Add an entry for the second PWM controller to bsw_pwm_lookup,
so that drivers can use pwm_get() to get a reference to it.
These touch-controls have specialized drivers which bind to different
devices on different models, so the consumer-device-name in the lookup
table entry is set to NULL, so that only con-id matching is used.
The con-id is set to "pwm_soc_lpss_2" which describes the PWM controller
rather than the usual approach of describing its function.
The specialized (model specific) drivers which need access to the PWM
controller know they need the "pwm_soc_lpss_2" con-id.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Linux defaults to picking the non-working ACPI video backlight interface
on the Lenovo ThinkPad X131e (3371 AMD version).
Add a DMI quirk to pick the working native radeon_bl0 interface instead.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Linux defaults to picking the non-working ACPI video backlight interface
on the Apple iMac11,3 .
Add a DMI quirk to pick the working native radeon_bl0 interface instead.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The Lenovo Yoga Book yb1-x90f/l 2-in-1 which ships with Android as
Factory OS has (another) bug in its DSDT where the UART resource for
the BTH0 ACPI device contains "\\_SB.PCIO.URT1" as path to the UART.
Note that is with a letter 'O' instead of the number '0' which is wrong.
This causes Linux to instantiate a standard /dev/ttyS? device for
the UART instead of a /sys/bus/serial device, which in turn causes
bluetooth to not work.
Similar DSDT bugs have been encountered before and to work around those
the acpi_quirk_skip_serdev_enumeration() helper exists.
Previous devices had the broken resource pointing to the first UART, while
the BT HCI was on the second UART, which ACPI_QUIRK_UART1_TTY_UART2_SKIP
deals with. Add a new ACPI_QUIRK_UART1_SKIP quirk for skipping enumeration
of UART1 instead for the Yoga Book case and add this quirk to the
existing DMI quirk table entry for the yb1-x90f/l .
This leaves the UART1 controller unbound allowing the x86-android-tablets
module to manually instantiate a serdev for it fixing bluetooth.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The LID0 device on the Nextbook Ares 8A tablet always reports lid
closed causing userspace to suspend the device as soon as booting
is complete.
Add a DMI quirk to disable the broken lid functionality.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The Nextbook Ares 8A is a x86 ACPI tablet which ships with Android x86
as factory OS. Its DSDT contains a bunch of I2C devices which are not
actually there (the Android x86 kernel fork ignores I2C devices described
in the DSDT).
On this specific model this just not cause resource conflicts, one of
the probe() calls for the non existing i2c_clients actually ends up
toggling a GPIO or executing a _PS3 after a failed probe which turns
the tablet off.
Add a ACPI_QUIRK_SKIP_I2C_CLIENTS for the Nextbook Ares 8 to the
acpi_quirk_skip_dmi_ids table to avoid the bogus i2c_clients and
to fix the tablet turning off during boot because of this.
Also add the "10EC5651" HID for the RealTek ALC5651 codec used
in this tablet to the list of HIDs for which not to skipi2c_client
instantiation, since the Intel SST sound driver relies on
the codec being instantiated through ACPI.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This was introduced with commit e1c467e690 ("x86, hotplug: Wake up CPU0
via NMI instead of INIT, SIPI, SIPI") to eventually support physical
hotplug of CPU0:
"We'll change this code in the future to wake up hard offlined CPU0 if
real platform and request are available."
11 years later this has not happened and physical hotplug is not officially
supported. Remove the cruft.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Tested-by: Guilherme G. Piccoli <gpiccoli@igalia.com> # Steam Deck
Link: https://lore.kernel.org/r/20230512205255.768845190@linutronix.de
Remove the acpi_backlight=video quirk for Lenovo ThinkPad W530.
This was intended to help users of the (unsupported) Nvidia binary driver,
but this has been reported to cause backlight control issues for users
who have the gfx configured in hybrid (dual-GPU) mode, so drop this.
The Nvidia binary driver should call acpi_video_register_backlight()
when necessary and this has been reported to Nvidia.
Until this is fixed Nvidia binary driver users can work around this by
passing "acpi_backlight=video" on the kernel commandline (with the latest
6.1.y or newer stable series, kernels < 6.1.y don't need this).
Fixes: a5b2781dca ("ACPI: video: Add acpi_backlight=video quirk for Lenovo ThinkPad W530")
Reported-by: Русев Путин <rockeraliexpress@gmail.com>
Link: https://lore.kernel.org/linux-acpi/CAK4BXn0ngZRmzx1bodAF8nmYj0PWdUXzPGHofRrsyZj8MBpcVA@mail.gmail.com/
Cc: 6.1+ <stable@vger.kernel.org> # 6.1+
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Do not turn off unused power resources during initialization on the
Toshiba Click Mini (Hans de Goede).
- Support strings in device properties supplied by ACPI _DSM on Apple
platforms (Hector Martin).
- Add an ACPI device ID quirk for Lenovo Yoga Tablet 2 (Marius Hoch).
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Merge tag 'acpi-6.4-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These add two ACPI-related quirks and extend support for Apple device
properties supplied via ACPI _DSM.
Specifics:
- Do not turn off unused power resources during initialization on the
Toshiba Click Mini (Hans de Goede)
- Support strings in device properties supplied by ACPI _DSM on Apple
platforms (Hector Martin)
- Add an ACPI device ID quirk for Lenovo Yoga Tablet 2 (Marius Hoch)"
* tag 'acpi-6.4-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: property: Support strings in Apple _DSM props
ACPI: x86: utils: Remove Lenovo Yoga Tablet 2's MAGN0001
ACPI: PM: Do not turn of unused power resources on the Toshiba Click Mini
- Add compatible DT bindings for imx6sll and imx6ul to fix a dtbs check
warning (Stefan Wahren).
- Update the example in the DT bindings to reflect changes with the
ADC node name for QCom TM and TM5 (Marijn Suijten).
- Fix comments for the cpuidle_cooling_register() function to match the
function prototype (Chenggang Wang).
- Fix inconsistent temperature read and some Mediatek variant board
reboot by reverting a change and handling the temperature
differently (AngeloGioacchino Del Regno).
- Fix a memory leak in the initialization error path for the Mediatek
driver (Kang Chen).
- Use of_address_to_resource() in the Mediatek driver (Rob Herring).
- Fix unit address in the QCom tsens driver DT bindings (Krzysztof
Kozlowski).
- Clean up the step-wise thermal governor (Zhang Rui).
- Introduce thermal_zone_device() for accessing the device field of
struct thermal_zone_device and two drivers use it (Daniel Lezcano).
- Clean up the ACPI thermal driver a bit (Daniel Lezcano).
- Delete the thermal driver for Intel Menlow platforms that is not
expected to have any users (Rafael Wysocki).
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Merge tag 'thermal-6.4-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more thermal control updates from Rafael Wysocki:
"These are mostly cleanups on top of the previously merged thermal
control changes plus some driver fixes and the removal of the Intel
Menlow thermal driver.
Specifics:
- Add compatible DT bindings for imx6sll and imx6ul to fix a dtbs
check warning (Stefan Wahren)
- Update the example in the DT bindings to reflect changes with the
ADC node name for QCom TM and TM5 (Marijn Suijten)
- Fix comments for the cpuidle_cooling_register() function to match
the function prototype (Chenggang Wang)
- Fix inconsistent temperature read and some Mediatek variant board
reboot by reverting a change and handling the temperature
differently (AngeloGioacchino Del Regno)
- Fix a memory leak in the initialization error path for the Mediatek
driver (Kang Chen)
- Use of_address_to_resource() in the Mediatek driver (Rob Herring)
- Fix unit address in the QCom tsens driver DT bindings (Krzysztof
Kozlowski)
- Clean up the step-wise thermal governor (Zhang Rui)
- Introduce thermal_zone_device() for accessing the device field of
struct thermal_zone_device and two drivers use it (Daniel Lezcano)
- Clean up the ACPI thermal driver a bit (Daniel Lezcano)
- Delete the thermal driver for Intel Menlow platforms that is not
expected to have any users (Rafael Wysocki)"
* tag 'thermal-6.4-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel: menlow: Get rid of this driver
ACPI: thermal: Move to dedicated function sysfs extra attr creation
ACPI: thermal: Use thermal_zone_device()
thermal: intel: pch_thermal: Use thermal driver device to write a trace
thermal: core: Encapsulate tz->device field
thermal: gov_step_wise: Adjust code logic to match comment
thermal: gov_step_wise: Delete obsolete comment
dt-bindings: thermal: qcom-tsens: Correct unit address
thermal/drivers/mediatek: Use of_address_to_resource()
thermal/drivers/mediatek: Change clk_prepare_enable to devm_clk_get_enabled in mtk_thermal_probe
thermal/drivers/mediatek: Use devm_of_iomap to avoid resource leak in mtk_thermal_probe
thermal/drivers/mediatek: Add temperature constraints to validate read
Revert "thermal/drivers/mediatek: Add delay after thermal banks initialization"
thermal/drivers/cpuidle_cooling: Delete unmatched comments
dt-bindings: thermal: Use generic ADC node name in examples
dt-bindings: imx-thermal: Add imx6sll and imx6ul compatible
Merge an ACPI power management quirk and a change related to the
handling of ACPI device properties for 6.4-rc1:
- Do not turn off unused power resources during initialization on the
Toshiba Click Mini (Hans de Goede).
- Support strings in device properties supplied by ACPI _DSM on Apple
platforms (Hector Martin).
* acpi-pm:
ACPI: PM: Do not turn of unused power resources on the Toshiba Click Mini
* acpi-properties:
ACPI: property: Support strings in Apple _DSM props
Here is the "big" set of char/misc and other driver subsystems for
6.4-rc1.
It's pretty big, but due to the removal of pcmcia drivers, almost breaks
even for number of lines added vs. removed, a nice change.
Included in here are:
- removal of unused PCMCIA drivers (finally!)
- Interconnect driver updates and additions
- Lots of IIO driver updates and additions
- MHI driver updates
- Coresight driver updates
- NVMEM driver updates, which required some OF updates
- W1 driver updates and a new maintainer to manage the subsystem
- FPGA driver updates
- New driver subsystem, CDX, for AMD systems
- lots of other small driver updates and additions
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc drivers updates from Greg KH:
"Here is the "big" set of char/misc and other driver subsystems for
6.4-rc1.
It's pretty big, but due to the removal of pcmcia drivers, almost
breaks even for number of lines added vs. removed, a nice change.
Included in here are:
- removal of unused PCMCIA drivers (finally!)
- Interconnect driver updates and additions
- Lots of IIO driver updates and additions
- MHI driver updates
- Coresight driver updates
- NVMEM driver updates, which required some OF updates
- W1 driver updates and a new maintainer to manage the subsystem
- FPGA driver updates
- New driver subsystem, CDX, for AMD systems
- lots of other small driver updates and additions
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (196 commits)
mcb-lpc: Reallocate memory region to avoid memory overlapping
mcb-pci: Reallocate memory region to avoid memory overlapping
mcb: Return actual parsed size when reading chameleon table
kernel/configs: Drop Android config fragments
virt: acrn: Replace obsolete memalign() with posix_memalign()
spmi: Add a check for remove callback when removing a SPMI driver
spmi: fix W=1 kernel-doc warnings
spmi: mtk-pmif: Drop of_match_ptr for ID table
spmi: pmic-arb: Convert to platform remove callback returning void
spmi: mtk-pmif: Convert to platform remove callback returning void
spmi: hisi-spmi-controller: Convert to platform remove callback returning void
w1: gpio: remove unnecessary ENOMEM messages
w1: omap-hdq: remove unnecessary ENOMEM messages
w1: omap-hdq: add SPDX tag
w1: omap-hdq: allow compile testing
w1: matrox: remove unnecessary ENOMEM messages
w1: matrox: use inline over __inline__
w1: matrox: switch from asm to linux header
w1: ds2482: do not use assignment in if condition
w1: ds2482: drop unnecessary header
...
Here is the large set of driver core changes for 6.4-rc1.
Once again, a busy development cycle, with lots of changes happening in
the driver core in the quest to be able to move "struct bus" and "struct
class" into read-only memory, a task now complete with these changes.
This will make the future rust interactions with the driver core more
"provably correct" as well as providing more obvious lifetime rules for
all busses and classes in the kernel.
The changes required for this did touch many individual classes and
busses as many callbacks were changed to take const * parameters
instead. All of these changes have been submitted to the various
subsystem maintainers, giving them plenty of time to review, and most of
them actually did so.
Other than those changes, included in here are a small set of other
things:
- kobject logging improvements
- cacheinfo improvements and updates
- obligatory fw_devlink updates and fixes
- documentation updates
- device property cleanups and const * changes
- firwmare loader dependency fixes.
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the large set of driver core changes for 6.4-rc1.
Once again, a busy development cycle, with lots of changes happening
in the driver core in the quest to be able to move "struct bus" and
"struct class" into read-only memory, a task now complete with these
changes.
This will make the future rust interactions with the driver core more
"provably correct" as well as providing more obvious lifetime rules
for all busses and classes in the kernel.
The changes required for this did touch many individual classes and
busses as many callbacks were changed to take const * parameters
instead. All of these changes have been submitted to the various
subsystem maintainers, giving them plenty of time to review, and most
of them actually did so.
Other than those changes, included in here are a small set of other
things:
- kobject logging improvements
- cacheinfo improvements and updates
- obligatory fw_devlink updates and fixes
- documentation updates
- device property cleanups and const * changes
- firwmare loader dependency fixes.
All of these have been in linux-next for a while with no reported
problems"
* tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (120 commits)
device property: make device_property functions take const device *
driver core: update comments in device_rename()
driver core: Don't require dynamic_debug for initcall_debug probe timing
firmware_loader: rework crypto dependencies
firmware_loader: Strip off \n from customized path
zram: fix up permission for the hot_add sysfs file
cacheinfo: Add use_arch[|_cache]_info field/function
arch_topology: Remove early cacheinfo error message if -ENOENT
cacheinfo: Check cache properties are present in DT
cacheinfo: Check sib_leaf in cache_leaves_are_shared()
cacheinfo: Allow early level detection when DT/ACPI info is missing/broken
cacheinfo: Add arm64 early level initializer implementation
cacheinfo: Add arch specific early level initializer
tty: make tty_class a static const structure
driver core: class: remove struct class_interface * from callbacks
driver core: class: mark the struct class in struct class_interface constant
driver core: class: make class_register() take a const *
driver core: class: mark class_release() as taking a const *
driver core: remove incorrect comment for device_create*
MIPS: vpe-cmp: remove module owner pointer from struct class usage.
...
The ACPI thermal driver creates extra sysfs attributes in its own
directory pointing to the thermal zone it is related to and add a
pointer to the sysfs ACPI thermal device from the thermal zone sysfs
entry.
This is very specific to this ACPI thermal driver, let's encapsulate
the related creation/deletion code to group it inside a function we
can identify later for removal if needed.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
[ rjw: Subject adjustment, removal of trailing white space ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
In order to get the device associated with the thermal zone, let's use
the wrapper thermal_zone_device() instead of accessing directly the
content of the thermal zone device structure.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
[ rjw: Subject adjustment, removal of trailing white space ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The Wi-Fi module in x86 Apple machines has a "module-instance" device
property that specifies the platform type and is used for firmware
selection. Its value is a string, so add support for string values in
acpi_extract_apple_properties().
Reviewed-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The LSM303D on the Lenovo Yoga Tablet 2 series is present
as both ACCL0001 and MAGN0001. As we can only ever register an
i2c client for one of them, ignore MAGN0001.
Currently this errors:
i2c i2c-4: Failed to register i2c client MAGN0001:00 at 0x1d (-16)
Tested on a Lenovo Yoga Tablet 2 1051-F.
Signed-off-by: Marius Hoch <mail@mariushoch.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The CPR3 power resource on the Toshiba Click Mini toggles a GPIO
which is called SISP (for SIS touchscreen power?) on/off.
This CPR3 power resource is not listed in any _PR? lists, let alone
in a _PR0 list for the SIS0817 touchscreen ACPI device which needs it.
Before commit a1224f34d7 ("ACPI: PM: Check states of power resources
during initialization") this was not an issue because since nothing
referenced the CPR3 power resource its state was always
ACPI_POWER_RESOURCE_STATE_UNKNOWN and power resources with this state
get ignored by acpi_turn_off_unused_power_resources().
This clearly is a bug in the DSDT of this device. Add a DMI quirk
to make acpi_turn_off_unused_power_resources() a no-op on this
model to fix the touchscreen no longer working since kernel 5.16 .
This quirk also causes 2 other power resources to not get turned
off, but the _OFF method on these already was a no-op, so this makes
no difference for the other 2 power resources.
Fixes: a1224f34d7 ("ACPI: PM: Check states of power resources during initialization")
Reported-by: Gé Koerkamp <ge.koerkamp@gmail.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216946
Link: https://lore.kernel.org/regressions/32a14a8a-9795-4c8c-7e00-da9012f548f8@leemhuis.info/
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Fix the frequency unit in cpufreq_verify_current_freq checks()
(Sanjay Chandrashekara).
- Make mode_state_machine in amd-pstate static (Tom Rix).
- Make the cpufreq core require drivers with target_index() to set
freq_table (Viresh Kumar).
- Fix typo in the ARM_BRCMSTB_AVS_CPUFREQ Kconfig entry (Jingyu Wang).
- Use of_property_read_bool() for boolean properties in the pmac32
cpufreq driver (Rob Herring).
- Make the cpufreq sysfs interface return proper error codes on
obviously invalid input (qinyu).
- Add guided autonomous mode support to the AMD P-state driver (Wyes
Karny).
- Make the Intel P-state driver enable HWP IO boost on all server
platforms (Srinivas Pandruvada).
- Add opp and bandwidth support to tegra194 cpufreq driver (Sumit
Gupta).
- Use of_property_present() for testing DT property presence (Rob
Herring).
- Remove MODULE_LICENSE in non-modules (Nick Alcock).
- Add SM7225 to cpufreq-dt-platdev blocklist (Luca Weiss).
- Optimizations and fixes for qcom-cpufreq-hw driver (Krzysztof
Kozlowski, Konrad Dybcio, and Bjorn Andersson).
- DT binding updates for qcom-cpufreq-hw driver (Konrad Dybcio and
Bartosz Golaszewski).
- Updates and fixes for mediatek driver (Jia-Wei Chang and
AngeloGioacchino Del Regno).
- Use of_property_present() for testing DT property presence in the
cpuidle code (Rob Herring).
- Drop unnecessary (void *) conversions from the PM core (Li zeming).
- Add sysfs files to represent time spent in a platform sleep state
during suspend-to-idle and make AMD and Intel PMC drivers use them
(Mario Limonciello).
- Use of_property_present() for testing DT property presence (Rob
Herring).
- Add set_required_opps() callback to the 'struct opp_table', to make
the code paths cleaner (Viresh Kumar).
- Update the pm-graph siute of utilities to v5.11 with the following
changes:
* New script which allows users to install the latest pm-graph
from the upstream github repo.
* Update all the dmesg suspend/resume PM print formats to be able to
process recent timelines using dmesg only.
* Add ethtool output to the log for the system's ethernet device if
ethtool exists.
* Make the tool more robustly handle events where mangled dmesg or
ftrace outputs do not include all the requisite data.
- Make the sleepgraph utility recognize "CPU killed" messages (Xueqin
Luo).
- Remove unneeded SRCU selection in Kconfig because it's always set
from devfreq core (Paul E. McKenney).
- Drop of_match_ptr() macro from exynos-bus.c because this driver is
always using the DT table for driver probe (Krzysztof Kozlowski).
- Use the preferred of_property_present() instead of the low-level
of_get_property() on exynos-bus.c (Rob Herring).
- Use devm_platform_get_and_ioream_resource() in exyno-ppmu.c (Yang Li).
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Merge tag 'pm-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These update several cpufreq drivers and the cpufreq core, add sysfs
interface for exposing the time really spent in the platform low-power
state during suspend-to-idle, update devfreq (core and drivers) and
the pm-graph suite of tools and clean up code.
Specifics:
- Fix the frequency unit in cpufreq_verify_current_freq checks()
Sanjay Chandrashekara)
- Make mode_state_machine in amd-pstate static (Tom Rix)
- Make the cpufreq core require drivers with target_index() to set
freq_table (Viresh Kumar)
- Fix typo in the ARM_BRCMSTB_AVS_CPUFREQ Kconfig entry (Jingyu Wang)
- Use of_property_read_bool() for boolean properties in the pmac32
cpufreq driver (Rob Herring)
- Make the cpufreq sysfs interface return proper error codes on
obviously invalid input (qinyu)
- Add guided autonomous mode support to the AMD P-state driver (Wyes
Karny)
- Make the Intel P-state driver enable HWP IO boost on all server
platforms (Srinivas Pandruvada)
- Add opp and bandwidth support to tegra194 cpufreq driver (Sumit
Gupta)
- Use of_property_present() for testing DT property presence (Rob
Herring)
- Remove MODULE_LICENSE in non-modules (Nick Alcock)
- Add SM7225 to cpufreq-dt-platdev blocklist (Luca Weiss)
- Optimizations and fixes for qcom-cpufreq-hw driver (Krzysztof
Kozlowski, Konrad Dybcio, and Bjorn Andersson)
- DT binding updates for qcom-cpufreq-hw driver (Konrad Dybcio and
Bartosz Golaszewski)
- Updates and fixes for mediatek driver (Jia-Wei Chang and
AngeloGioacchino Del Regno)
- Use of_property_present() for testing DT property presence in the
cpuidle code (Rob Herring)
- Drop unnecessary (void *) conversions from the PM core (Li zeming)
- Add sysfs files to represent time spent in a platform sleep state
during suspend-to-idle and make AMD and Intel PMC drivers use them
Mario Limonciello)
- Use of_property_present() for testing DT property presence (Rob
Herring)
- Add set_required_opps() callback to the 'struct opp_table', to make
the code paths cleaner (Viresh Kumar)
- Update the pm-graph siute of utilities to v5.11 with the following
changes:
* New script which allows users to install the latest pm-graph
from the upstream github repo.
* Update all the dmesg suspend/resume PM print formats to be able
to process recent timelines using dmesg only.
* Add ethtool output to the log for the system's ethernet device
if ethtool exists.
* Make the tool more robustly handle events where mangled dmesg
or ftrace outputs do not include all the requisite data.
- Make the sleepgraph utility recognize "CPU killed" messages (Xueqin
Luo)
- Remove unneeded SRCU selection in Kconfig because it's always set
from devfreq core (Paul E. McKenney)
- Drop of_match_ptr() macro from exynos-bus.c because this driver is
always using the DT table for driver probe (Krzysztof Kozlowski)
- Use the preferred of_property_present() instead of the low-level
of_get_property() on exynos-bus.c (Rob Herring)
- Use devm_platform_get_and_ioream_resource() in exyno-ppmu.c (Yang
Li)"
* tag 'pm-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (44 commits)
platform/x86/intel/pmc: core: Report duration of time in HW sleep state
platform/x86/intel/pmc: core: Always capture counters on suspend
platform/x86/amd: pmc: Report duration of time in hw sleep state
PM: Add sysfs files to represent time spent in hardware sleep state
cpufreq: use correct unit when verify cur freq
cpufreq: tegra194: add OPP support and set bandwidth
cpufreq: amd-pstate: Make varaiable mode_state_machine static
PM: core: Remove unnecessary (void *) conversions
cpufreq: drivers with target_index() must set freq_table
PM / devfreq: exynos-ppmu: Use devm_platform_get_and_ioremap_resource()
OPP: Move required opps configuration to specialized callback
OPP: Handle all genpd cases together in _set_required_opps()
cpufreq: qcom-cpufreq-hw: Revert adding cpufreq qos
dt-bindings: cpufreq: cpufreq-qcom-hw: Add QCM2290
dt-bindings: cpufreq: cpufreq-qcom-hw: Sanitize data per compatible
dt-bindings: cpufreq: cpufreq-qcom-hw: Allow just 1 frequency domain
cpufreq: Add SM7225 to cpufreq-dt-platdev blocklist
cpufreq: qcom-cpufreq-hw: fix double IO unmap and resource release on exit
cpufreq: mediatek: Raise proc and sram max voltage for MT7622/7623
cpufreq: mediatek: raise proc/sram max voltage for MT8516
...
- Update the ACPICA code in the kernel to upstream revision 20230331
including the following changes:
* Delete bogus node_array array of pointers from AEST table (Jessica
Clarke).
* Add support for trace buffer extension in GICC to the ACPI MADT
parser (Xiongfeng Wang).
* Add missing macro ACPI_FUNCTION_TRACE() for acpi_ns_repair_HID()
(Xiongfeng Wang).
* Add missing tables to astable (Pedro Falcato).
* Add support for 64 bit loong_arch compilation to ACPICA (Huacai
Chen).
* Add support for ASPT table in disassembler to ACPICA (Jeremi
Piotrowski).
* Add support for Arm's MPAM ACPI table version 2 (Hesham Almatary).
* Update all copyrights/signons in ACPICA to 2023 (Bob Moore).
* Add support for ClockInput resource (v6.5) (Niyas Sait).
* Add RISC-V INTC interrupt controller definition to the list of
supported interrupt controllers for MADT (Sunil V L).
* Add structure definitions for the RISC-V RHCT ACPI table (Sunil V L).
* Address several cases in which the ACPICA code might lead to
undefined behavior (Tamir Duberstein).
* Make ACPICA code support flexible arrays properly (Kees Cook).
* Check null return of ACPI_ALLOCATE_ZEROED in
acpi_db_display_objects() (void0red).
* Add os specific support for Zephyr RTOS to ACPICA (Najumon).
* Update version to 20230331 (Bob Moore).
- Fix evaluating the _PDC ACPI control method when running as Xen
dom0 (Roger Pau Monne).
- Use platform devices to load ACPI PPC and PCC drivers (Petr Pavlu).
- Check for null return of devm_kzalloc() in fch_misc_setup() (Kang
Chen).
- Log a message if enable_irq_wake() fails for the ACPI SCI (Simon
Gaiser).
- Initialize the correct IOMMU fwspec while parsing ACPI VIOT
(Jean-Philippe Brucker).
- Amend indentation and prefix error messages with FW_BUG in the ACPI
SPCR parsing code (Andy Shevchenko).
- Enable ACPI sysfs support for CCEL records (Kuppuswamy
Sathyanarayanan).
- Make the APEI error injection code warn on invalid arguments when
explicitly indicated by platform (Shuai Xue).
- Add CXL error types to the error injection code in APEI (Tony Luck).
- Refactor acpi_data_prop_read_single() (Andy Shevchenko).
- Fix two issues in the ACPI SBS driver (Armin Wolf).
- Replace ternary operator with min_t() in the generic ACPI thermal
zone driver (Jiangshan Yi).
- Ensure that ACPI notify handlers are not running after removal and
clean up code in acpi_sb_notify() (Rafael Wysocki).
- Remove register_backlight_delay module option and code and remove
quirks for false-positive backlight control support advertised on
desktop boards (Hans de Goede).
- Replace irqdomain.h include with struct declarations in ACPI headers
and update several pieces of code previously including of.h
implicitly through those headers (Rob Herring).
- Fix acpi_evaluate_dsm_typed() redefinition error (Kiran K).
- Update the pm_profile sysfs attribute documentation (Rafael Wysocki).
- Add 80862289 ACPI _HID for second PWM controller on Cherry Trail to
the ACPI driver for Intel SoCs (Hans de Goede).
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Merge tag 'acpi-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20230331, fix the ACPI SBS driver and the evaluation of the _PDC
method on Xen dom0 in the ACPI processor driver, update the ACPI
driver for Intel SoCs and clean up code in multiple places.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20230331
including the following changes:
* Delete bogus node_array array of pointers from AEST table
(Jessica Clarke)
* Add support for trace buffer extension in GICC to the ACPI MADT
parser (Xiongfeng Wang)
* Add missing macro ACPI_FUNCTION_TRACE() for
acpi_ns_repair_HID() (Xiongfeng Wang)
* Add missing tables to astable (Pedro Falcato)
* Add support for 64 bit loong_arch compilation to ACPICA (Huacai
Chen)
* Add support for ASPT table in disassembler to ACPICA (Jeremi
Piotrowski)
* Add support for Arm's MPAM ACPI table version 2 (Hesham
Almatary)
* Update all copyrights/signons in ACPICA to 2023 (Bob Moore)
* Add support for ClockInput resource (v6.5) (Niyas Sait)
* Add RISC-V INTC interrupt controller definition to the list of
supported interrupt controllers for MADT (Sunil V L)
* Add structure definitions for the RISC-V RHCT ACPI table (Sunil
V L)
* Address several cases in which the ACPICA code might lead to
undefined behavior (Tamir Duberstein)
* Make ACPICA code support flexible arrays properly (Kees Cook)
* Check null return of ACPI_ALLOCATE_ZEROED in
acpi_db_display_objects() (void0red)
* Add os specific support for Zephyr RTOS to ACPICA (Najumon)
* Update version to 20230331 (Bob Moore)
- Fix evaluating the _PDC ACPI control method when running as Xen
dom0 (Roger Pau Monne)
- Use platform devices to load ACPI PPC and PCC drivers (Petr Pavlu)
- Check for null return of devm_kzalloc() in fch_misc_setup() (Kang
Chen)
- Log a message if enable_irq_wake() fails for the ACPI SCI (Simon
Gaiser)
- Initialize the correct IOMMU fwspec while parsing ACPI VIOT
(Jean-Philippe Brucker)
- Amend indentation and prefix error messages with FW_BUG in the ACPI
SPCR parsing code (Andy Shevchenko)
- Enable ACPI sysfs support for CCEL records (Kuppuswamy
Sathyanarayanan)
- Make the APEI error injection code warn on invalid arguments when
explicitly indicated by platform (Shuai Xue)
- Add CXL error types to the error injection code in APEI (Tony Luck)
- Refactor acpi_data_prop_read_single() (Andy Shevchenko)
- Fix two issues in the ACPI SBS driver (Armin Wolf)
- Replace ternary operator with min_t() in the generic ACPI thermal
zone driver (Jiangshan Yi)
- Ensure that ACPI notify handlers are not running after removal and
clean up code in acpi_sb_notify() (Rafael Wysocki)
- Remove register_backlight_delay module option and code and remove
quirks for false-positive backlight control support advertised on
desktop boards (Hans de Goede)
- Replace irqdomain.h include with struct declarations in ACPI
headers and update several pieces of code previously including of.h
implicitly through those headers (Rob Herring)
- Fix acpi_evaluate_dsm_typed() redefinition error (Kiran K)
- Update the pm_profile sysfs attribute documentation (Rafael
Wysocki)
- Add 80862289 ACPI _HID for second PWM controller on Cherry Trail to
the ACPI driver for Intel SoCs (Hans de Goede)"
* tag 'acpi-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (64 commits)
ACPI: LPSS: Add 80862289 ACPI _HID for second PWM controller on Cherry Trail
ACPI: bus: Ensure that notify handlers are not running after removal
ACPI: bus: Add missing braces to acpi_sb_notify()
ACPI: video: Remove desktops without backlight DMI quirks
ACPI: video: Remove register_backlight_delay module option and code
ACPI: Replace irqdomain.h include with struct declarations
fpga: lattice-sysconfig-spi: Add explicit include for of.h
tpm: atmel: Add explicit include for of.h
virtio-mmio: Add explicit include for of.h
pata: ixp4xx: Add explicit include for of.h
ata: pata_macio: Add explicit include of irqdomain.h
serial: 8250_tegra: Add explicit include for of.h
net: rfkill-gpio: Add explicit include for of.h
staging: iio: resolver: ad2s1210: Add explicit include for of.h
iio: adc: ad7292: Add explicit include for of.h
ACPICA: Update version to 20230331
ACPICA: add os specific support for Zephyr RTOS
ACPICA: ACPICA: check null return of ACPI_ALLOCATE_ZEROED in acpi_db_display_objects
ACPICA: acpi_resource_irq: Replace 1-element arrays with flexible array
ACPICA: acpi_madt_oem_data: Fix flexible array member definition
...
- Add a thermal zone 'devdata' accessor and modify several drivers to
use it (Daniel Lezcano).
- Prevent drivers from using the 'device' internal thermal zone
structure field directly (Daniel Lezcano).
- Clean up the hwmon thermal driver (Daniel Lezcano).
- Add thermal zone id accessor and thermal zone type accessor
and prevent drivers from using thermal zone fields directly (Daniel
Lezcano).
- Clean up the acerhdf and tegra thermal drivers (Daniel Lezcano).
- Add lower bound check for sysfs input to the x86_pkg_temp_thermal
Intel thermal driver (Zhang Rui).
- Add more thermal zone device encapsulation: prevent setting structure
field directly, access the sensor device instead the thermal zone's
device for trace, relocate the traces in drivers/thermal (Daniel
Lezcano).
- Use the generic trip point for the i.MX and remove the get_trip_temp
ops (Daniel Lezcano).
- Use the devm_platform_ioremap_resource() in the Hisilicon driver
(Yang Li).
- Remove R-Car H3 ES1.* handling as public has only access to the ES2
version and the upstream support for the ES1 has been shutdown (Wolfram
Sang).
- Add a delay after initializing the bank in order to let the time to
the hardware to initialze itself before reading the temperature
(Amjad Ouled-Ameur).
- Add MT8365 support (Amjad Ouled-Ameur).
- Preparational cleanup and DT bindings for RK3588 support (Sebastian
Reichel).
- Add driver support for RK3588 (Finley Xiao).
- Use devm_reset_control_array_get_exclusive() for the Rockchip driver
(Ye Xingchen).
- Detect power gated thermal zones and return -EAGAIN when reading the
temperature (Mikko Perttunen).
- Remove thermal_bind_params structure as it is unused (Zhang Rui)
- Drop unneeded quotes in DT bindings allowing to run yamllint (Rob
Herring).
- Update the power allocator documentation according to the thermal
trace relocation (Lukas Bulwahn).
- Fix sensor 1 interrupt status bitmask for the Mediatek LVTS sensor
(Chen-Yu Tsai).
- Use the dev_err_probe() helper in the Amlogic driver (Ye Xingchen).
- Add AP domain support to LVTS thermal controllers for mt8195
(Balsam CHIHI).
- Remove buggy call to thermal_of_zone_unregister() (Daniel Lezcano).
- Make thermal_of_zone_[un]register() private to the thermal OF code
(Daniel Lezcano).
- Create a private copy of the thermal zone device parameters
structure when registering a thermal zone (Daniel Lezcano).
- Fix a kernel NULL pointer dereference in thermal_hwmon (Zhang Rui).
- Revert recent message adjustment in thermal_hwmon (Rafael Wysocki).
- Use of_property_present() for testing DT property presence in
thermal control code (Rob Herring).
- Clean up thermal_list_lock locking in the thermal core (Rafael
Wysocki).
- Add DLVR support for RFIM control in the int340x Intel thermal
driver (Srinivas Pandruvada).
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Merge tag 'thermal-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These mostly continue to prepare the thermal control subsystem for
using unified representation of trip points, which includes cleanups,
code refactoring and similar and update several drivers (for other
reasons), which includes new hardware support.
Specifics:
- Add a thermal zone 'devdata' accessor and modify several drivers to
use it (Daniel Lezcano)
- Prevent drivers from using the 'device' internal thermal zone
structure field directly (Daniel Lezcano)
- Clean up the hwmon thermal driver (Daniel Lezcano)
- Add thermal zone id accessor and thermal zone type accessor and
prevent drivers from using thermal zone fields directly (Daniel
Lezcano)
- Clean up the acerhdf and tegra thermal drivers (Daniel Lezcano)
- Add lower bound check for sysfs input to the x86_pkg_temp_thermal
Intel thermal driver (Zhang Rui)
- Add more thermal zone device encapsulation: prevent setting
structure field directly, access the sensor device instead the
thermal zone's device for trace, relocate the traces in
drivers/thermal (Daniel Lezcano)
- Use the generic trip point for the i.MX and remove the
get_trip_temp ops (Daniel Lezcano)
- Use the devm_platform_ioremap_resource() in the Hisilicon driver
(Yang Li)
- Remove R-Car H3 ES1.* handling as public has only access to the ES2
version and the upstream support for the ES1 has been shutdown
(Wolfram Sang)
- Add a delay after initializing the bank in order to let the time to
the hardware to initialze itself before reading the temperature
(Amjad Ouled-Ameur)
- Add MT8365 support (Amjad Ouled-Ameur)
- Preparational cleanup and DT bindings for RK3588 support (Sebastian
Reichel)
- Add driver support for RK3588 (Finley Xiao)
- Use devm_reset_control_array_get_exclusive() for the Rockchip
driver (Ye Xingchen)
- Detect power gated thermal zones and return -EAGAIN when reading
the temperature (Mikko Perttunen)
- Remove thermal_bind_params structure as it is unused (Zhang Rui)
- Drop unneeded quotes in DT bindings allowing to run yamllint (Rob
Herring)
- Update the power allocator documentation according to the thermal
trace relocation (Lukas Bulwahn)
- Fix sensor 1 interrupt status bitmask for the Mediatek LVTS sensor
(Chen-Yu Tsai)
- Use the dev_err_probe() helper in the Amlogic driver (Ye Xingchen)
- Add AP domain support to LVTS thermal controllers for mt8195
(Balsam CHIHI)
- Remove buggy call to thermal_of_zone_unregister() (Daniel Lezcano)
- Make thermal_of_zone_[un]register() private to the thermal OF code
(Daniel Lezcano)
- Create a private copy of the thermal zone device parameters
structure when registering a thermal zone (Daniel Lezcano)
- Fix a kernel NULL pointer dereference in thermal_hwmon (Zhang Rui)
- Revert recent message adjustment in thermal_hwmon (Rafael Wysocki)
- Use of_property_present() for testing DT property presence in
thermal control code (Rob Herring)
- Clean up thermal_list_lock locking in the thermal core (Rafael
Wysocki)
- Add DLVR support for RFIM control in the int340x Intel thermal
driver (Srinivas Pandruvada)"
* tag 'thermal-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (55 commits)
thermal: intel: int340x: Add DLVR support for RFIM control
thermal/core: Alloc-copy-free the thermal zone parameters structure
thermal/of: Unexport unused OF functions
thermal/drivers/bcm2835: Remove buggy call to thermal_of_zone_unregister
thermal/drivers/mediatek/lvts_thermal: Add AP domain for mt8195
dt-bindings: thermal: mediatek: Add AP domain to LVTS thermal controllers for mt8195
thermal: amlogic: Use dev_err_probe()
thermal/drivers/mediatek/lvts_thermal: Fix sensor 1 interrupt status bitmask
MAINTAINERS: adjust entry in THERMAL/POWER_ALLOCATOR after header movement
dt-bindings: thermal: Drop unneeded quotes
thermal/core: Remove thermal_bind_params structure
thermal/drivers/tegra-bpmp: Handle offline zones
thermal/drivers/rockchip: use devm_reset_control_array_get_exclusive()
dt-bindings: rockchip-thermal: Support the RK3588 SoC compatible
thermal/drivers/rockchip: Support RK3588 SoC in the thermal driver
thermal/drivers/rockchip: Support dynamic sized sensor array
thermal/drivers/rockchip: Simplify channel id logic
thermal/drivers/rockchip: Use dev_err_probe
thermal/drivers/rockchip: Simplify clock logic
thermal/drivers/rockchip: Simplify getting match data
...
ACPI:
* Improve error reporting when failing to manage SDEI on AGDI device
removal
Assembly routines:
* Improve register constraints so that the compiler can make use of
the zero register instead of moving an immediate #0 into a GPR
* Allow the compiler to allocate the registers used for CAS
instructions
CPU features and system registers:
* Cleanups to the way in which CPU features are identified from the
ID register fields
* Extend system register definition generation to handle Enum types
when defining shared register fields
* Generate definitions for new _EL2 registers and add new fields
for ID_AA64PFR1_EL1
* Allow SVE to be disabled separately from SME on the kernel
command-line
Tracing:
* Support for "direct calls" in ftrace, which enables BPF tracing
for arm64
Kdump:
* Don't bother unmapping the crashkernel from the linear mapping,
which then allows us to use huge (block) mappings and reduce
TLB pressure when a crashkernel is loaded.
Memory management:
* Try again to remove data cache invalidation from the coherent DMA
allocation path
* Simplify the fixmap code by mapping at page granularity
* Allow the kfence pool to be allocated early, preventing the rest
of the linear mapping from being forced to page granularity
Perf and PMU:
* Move CPU PMU code out to drivers/perf/ where it can be reused
by the 32-bit ARM architecture when running on ARMv8 CPUs
* Fix race between CPU PMU probing and pKVM host de-privilege
* Add support for Apple M2 CPU PMU
* Adjust the generic PERF_COUNT_HW_BRANCH_INSTRUCTIONS event
dynamically, depending on what the CPU actually supports
* Minor fixes and cleanups to system PMU drivers
Stack tracing:
* Use the XPACLRI instruction to strip PAC from pointers, rather
than rolling our own function in C
* Remove redundant PAC removal for toolchains that handle this in
their builtins
* Make backtracing more resilient in the face of instrumentation
Miscellaneous:
* Fix single-step with KGDB
* Remove harmless warning when 'nokaslr' is passed on the kernel
command-line
* Minor fixes and cleanups across the board
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"ACPI:
- Improve error reporting when failing to manage SDEI on AGDI device
removal
Assembly routines:
- Improve register constraints so that the compiler can make use of
the zero register instead of moving an immediate #0 into a GPR
- Allow the compiler to allocate the registers used for CAS
instructions
CPU features and system registers:
- Cleanups to the way in which CPU features are identified from the
ID register fields
- Extend system register definition generation to handle Enum types
when defining shared register fields
- Generate definitions for new _EL2 registers and add new fields for
ID_AA64PFR1_EL1
- Allow SVE to be disabled separately from SME on the kernel
command-line
Tracing:
- Support for "direct calls" in ftrace, which enables BPF tracing for
arm64
Kdump:
- Don't bother unmapping the crashkernel from the linear mapping,
which then allows us to use huge (block) mappings and reduce TLB
pressure when a crashkernel is loaded.
Memory management:
- Try again to remove data cache invalidation from the coherent DMA
allocation path
- Simplify the fixmap code by mapping at page granularity
- Allow the kfence pool to be allocated early, preventing the rest of
the linear mapping from being forced to page granularity
Perf and PMU:
- Move CPU PMU code out to drivers/perf/ where it can be reused by
the 32-bit ARM architecture when running on ARMv8 CPUs
- Fix race between CPU PMU probing and pKVM host de-privilege
- Add support for Apple M2 CPU PMU
- Adjust the generic PERF_COUNT_HW_BRANCH_INSTRUCTIONS event
dynamically, depending on what the CPU actually supports
- Minor fixes and cleanups to system PMU drivers
Stack tracing:
- Use the XPACLRI instruction to strip PAC from pointers, rather than
rolling our own function in C
- Remove redundant PAC removal for toolchains that handle this in
their builtins
- Make backtracing more resilient in the face of instrumentation
Miscellaneous:
- Fix single-step with KGDB
- Remove harmless warning when 'nokaslr' is passed on the kernel
command-line
- Minor fixes and cleanups across the board"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (72 commits)
KVM: arm64: Ensure CPU PMU probes before pKVM host de-privilege
arm64: kexec: include reboot.h
arm64: delete dead code in this_cpu_set_vectors()
arm64/cpufeature: Use helper macro to specify ID register for capabilites
drivers/perf: hisi: add NULL check for name
drivers/perf: hisi: Remove redundant initialized of pmu->name
arm64/cpufeature: Consistently use symbolic constants for min_field_value
arm64/cpufeature: Pull out helper for CPUID register definitions
arm64/sysreg: Convert HFGITR_EL2 to automatic generation
ACPI: AGDI: Improve error reporting for problems during .remove()
arm64: kernel: Fix kernel warning when nokaslr is passed to commandline
perf/arm-cmn: Fix port detection for CMN-700
arm64: kgdb: Set PSTATE.SS to 1 to re-enable single-step
arm64: move PAC masks to <asm/pointer_auth.h>
arm64: use XPACLRI to strip PAC
arm64: avoid redundant PAC stripping in __builtin_return_address()
arm64/sme: Fix some comments of ARM SME
arm64/signal: Alloc tpidr2 sigframe after checking system_supports_tpidr2()
arm64/signal: Use system_supports_tpidr2() to check TPIDR2
arm64/idreg: Don't disable SME when disabling SVE
...
Merge cpufreq updates for 6.4-rc1:
- Fix the frequency unit in cpufreq_verify_current_freq checks()
(Sanjay Chandrashekara).
- Make mode_state_machine in amd-pstate static (Tom Rix).
- Make the cpufreq core require drivers with target_index() to set
freq_table (Viresh Kumar).
- Fix typo in the ARM_BRCMSTB_AVS_CPUFREQ Kconfig entry (Jingyu Wang).
- Use of_property_read_bool() for boolean properties in the pmac32
cpufreq driver (Rob Herring).
- Make the cpufreq sysfs interface return proper error codes on
obviously invalid input (qinyu).
- Add guided autonomous mode support to the AMD P-state driver (Wyes
Karny).
- Make the Intel P-state driver enable HWP IO boost on all server
platforms (Srinivas Pandruvada).
- Add opp and bandwidth support to tegra194 cpufreq driver (Sumit
Gupta).
- Use of_property_present() for testing DT property presence (Rob
Herring).
- Remove MODULE_LICENSE in non-modules (Nick Alcock).
- Add SM7225 to cpufreq-dt-platdev blocklist (Luca Weiss).
- Optimizations and fixes for qcom-cpufreq-hw driver (Krzysztof
Kozlowski, Konrad Dybcio, and Bjorn Andersson).
- DT binding updates for qcom-cpufreq-hw driver (Konrad Dybcio and
Bartosz Golaszewski).
- Updates and fixes for mediatek driver (Jia-Wei Chang and
AngeloGioacchino Del Regno).
* pm-cpufreq: (29 commits)
cpufreq: use correct unit when verify cur freq
cpufreq: tegra194: add OPP support and set bandwidth
cpufreq: amd-pstate: Make varaiable mode_state_machine static
cpufreq: drivers with target_index() must set freq_table
cpufreq: qcom-cpufreq-hw: Revert adding cpufreq qos
dt-bindings: cpufreq: cpufreq-qcom-hw: Add QCM2290
dt-bindings: cpufreq: cpufreq-qcom-hw: Sanitize data per compatible
dt-bindings: cpufreq: cpufreq-qcom-hw: Allow just 1 frequency domain
cpufreq: Add SM7225 to cpufreq-dt-platdev blocklist
cpufreq: qcom-cpufreq-hw: fix double IO unmap and resource release on exit
cpufreq: mediatek: Raise proc and sram max voltage for MT7622/7623
cpufreq: mediatek: raise proc/sram max voltage for MT8516
cpufreq: mediatek: fix KP caused by handler usage after regulator_put/clk_put
cpufreq: mediatek: fix passing zero to 'PTR_ERR'
cpufreq: pmac32: Use of_property_read_bool() for boolean properties
cpufreq: Fix typo in the ARM_BRCMSTB_AVS_CPUFREQ Kconfig entry
cpufreq: warn about invalid vals to scaling_max/min_freq interfaces
Documentation: cpufreq: amd-pstate: Update amd_pstate status sysfs for guided
cpufreq: amd-pstate: Add guided mode control support via sysfs
cpufreq: amd-pstate: Add guided autonomous mode
...
Merge ACPI bus type driver changes, ACPI backlight driver updates and a
series of cleanups related to of.h for 6.4-rc1:
- Ensure that ACPI notify handlers are not running after removal and
clean up code in acpi_sb_notify() (Rafael Wysocki).
- Remove register_backlight_delay module option and code and remove
quirks for false-positive backlight control support advertised on
desktop boards (Hans de Goede).
- Replace irqdomain.h include with struct declarations in ACPI headers
and update several pieces of code previously including of.h
implicitly through those headers (Rob Herring).
* acpi-bus:
ACPI: bus: Ensure that notify handlers are not running after removal
ACPI: bus: Add missing braces to acpi_sb_notify()
* acpi-video:
ACPI: video: Remove desktops without backlight DMI quirks
ACPI: video: Remove register_backlight_delay module option and code
* acpi-misc:
ACPI: Replace irqdomain.h include with struct declarations
fpga: lattice-sysconfig-spi: Add explicit include for of.h
tpm: atmel: Add explicit include for of.h
virtio-mmio: Add explicit include for of.h
pata: ixp4xx: Add explicit include for of.h
ata: pata_macio: Add explicit include of irqdomain.h
serial: 8250_tegra: Add explicit include for of.h
net: rfkill-gpio: Add explicit include for of.h
staging: iio: resolver: ad2s1210: Add explicit include for of.h
iio: adc: ad7292: Add explicit include for of.h
Merge ACPI processor driver changes, ACPI power management updates,
changes related to parsing ACPI tables and an ACPI sysfs interface
update for 6.4-rc1:
- Fix evaluating the _PDC ACPI control method when running as Xen
dom0 (Roger Pau Monne).
- Use platform devices to load ACPI PPC and PCC drivers (Petr Pavlu).
- Check for null return of devm_kzalloc() in fch_misc_setup() (Kang
Chen).
- Log a message if enable_irq_wake() fails for the ACPI SCI (Simon
Gaiser).
- Initialize the correct IOMMU fwspec while parsing ACPI VIOT
(Jean-Philippe Brucker).
- Amend indentation and prefix error messages with FW_BUG in the ACPI
SPCR parsing code (Andy Shevchenko).
- Enable ACPI sysfs support for CCEL records (Kuppuswamy
Sathyanarayanan).
* acpi-processor:
ACPI: processor: Fix evaluating _PDC method when running as Xen dom0
ACPI: cpufreq: Use platform devices to load ACPI PPC and PCC drivers
ACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup()
* acpi-pm:
ACPI: s2idle: Log when enabling wakeup IRQ fails
* acpi-tables:
ACPI: VIOT: Initialize the correct IOMMU fwspec
ACPI: SPCR: Amend indentation
ACPI: SPCR: Prefix error messages with FW_BUG
* acpi-sysfs:
ACPI: sysfs: Enable ACPI sysfs support for CCEL records
Merge ACPICA material for 6.4-rc1:
- Delete bogus node_array array of pointers from AEST table (Jessica
Clarke).
- Add support for trace buffer extension in GICC to the ACPI MADT
parser (Xiongfeng Wang).
- Add missing macro ACPI_FUNCTION_TRACE() for acpi_ns_repair_HID()
(Xiongfeng Wang).
- Add missing tables to astable (Pedro Falcato).
- Add support for 64 bit loong_arch compilation to ACPICA (Huacai
Chen).
- Add support for ASPT table in disassembler to ACPICA (Jeremi
Piotrowski).
- Add support for Arm's MPAM ACPI table version 2 (Hesham Almatary).
- Update all copyrights/signons in ACPICA to 2023 (Bob Moore).
- Add support for ClockInput resource (v6.5) (Niyas Sait).
- Add RISC-V INTC interrupt controller definition to the list of
supported interrupt controllers for MADT (Sunil V L).
- Add structure definitions for the RISC-V RHCT ACPI table (Sunil V L).
- Address several cases in which the ACPICA code might lead to
undefined behavior (Tamir Duberstein).
- Make ACPICA code support flexible arrays properly (Kees Cook).
- Check null return of ACPI_ALLOCATE_ZEROED in
acpi_db_display_objects() (void0red).
- Add os specific support for Zephyr RTOS to ACPICA (Najumon).
- Update version to 20230331 (Bob Moore).
* acpica: (32 commits)
ACPICA: Update version to 20230331
ACPICA: add os specific support for Zephyr RTOS
ACPICA: ACPICA: check null return of ACPI_ALLOCATE_ZEROED in acpi_db_display_objects
ACPICA: acpi_resource_irq: Replace 1-element arrays with flexible array
ACPICA: acpi_madt_oem_data: Fix flexible array member definition
ACPICA: acpi_dmar_andd: Replace 1-element array with flexible array
ACPICA: acpi_pci_routing_table: Replace fixed-size array with flex array member
ACPICA: struct acpi_resource_dma: Replace 1-element array with flexible array
ACPICA: Introduce ACPI_FLEX_ARRAY
ACPICA: struct acpi_nfit_interleave: Replace 1-element array with flexible array
ACPICA: actbl2: Replace 1-element arrays with flexible arrays
ACPICA: actbl1: Replace 1-element arrays with flexible arrays
ACPICA: struct acpi_resource_vendor: Replace 1-element array with flexible array
ACPICA: Avoid undefined behavior: load of misaligned address
ACPICA: Avoid undefined behavior: member access within misaligned address
ACPICA: Avoid undefined behavior: member access within misaligned address
ACPICA: Avoid undefined behavior: member access within misaligned address
ACPICA: Avoid undefined behavior: member access within misaligned address
ACPICA: Avoid undefined behavior: member access within null pointer
ACPICA: Avoid undefined behavior: applying zero offset to null pointer
...
On some Cherry Trail devices the second PWM controller uses
80862289 as ACPI _HID, rather then using 80862288 as is done
for both controllers on most models.
Add the missing 80862289 ACPI _HID, note this uses its own
lpss_device_desc, without ".setup = bsw_pwm_setup" so that
the pwm_lookup is not added for it.
On devices where both controllers use the 80862288 _HID bsw_pwm_setup()
does a UID check to avoid registering the lookup for the second
controller but that will not work here.
Adding the missing id fixes the second PWM controller no longer
working after the entire LPSS1 island has been in D3 at least
once, which causes the contents of the LPSS private registers
to get lost. Adding the _HID makes acpi_lpss restore these
when the controller moves from D3 to D0.
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Currently, acpi_device_remove_notify_handler() may return while the
notify handler being removed is still running which may allow the
module holding that handler to be torn down prematurely.
Address this issue by making acpi_device_remove_notify_handler() wait
for the handling of all the ACPI events in progress to complete before
returning.
Fixes: 5894b0c46e ("ACPI / scan: Move bus operations and notification routines to bus.c")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Returning an error value in a platform driver's remove callback results in
a generic error message being emitted by the driver core, but otherwise it
doesn't make a difference. The device goes away anyhow.
So instead of triggering the generic platform error message, emit a more
helpful message if a problem occurs and return 0 to suppress the generic
message.
This patch is a preparation for making platform remove callbacks return
void.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Link: https://lore.kernel.org/r/20221014160623.467195-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Will Deacon <will@kernel.org>
Merge a quirk to force StorageD3Enable on AMD Picasso systems (Mario
Limonciello).
* acpi-x86:
ACPI: x86: utils: Add Picasso to the list for forcing StorageD3Enable
After the recent backlight changes acpi_video# backlight devices are only
registered when explicitly requested from the cmdline, by DMI quirk or by
the GPU driver.
This means that we no longer get false-positive backlight control support
advertised on desktop boards.
Remove the 3 DMI quirks for desktop boards where the false-positive issue
was fixed through quirks before. Note many more desktop boards were
affected but we never build a full quirk list for this.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Since commit 5aa9d943e9 ("ACPI: video: Don't enable fallback path for
creating ACPI backlight by default"), the delayed registering of
acpi_video# backlight devices has been disabled by default.
The few bugreports where this option was used as a workaround were all
cases where the GPU driver did not call acpi_video_register_backlight()
and the workaround was to pass video.register_backlight_delay=1.
With the recent "ACPI: video: Make acpi_backlight=video work independent
from GPU driver" changes acpi_backlight=video can be used to achieve
the same result. So there is no need for the register_backlight_delay
option + code anymore.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Like the ASUS ExpertBook B2502CBA and various ASUS Vivobook laptops, the
ASUS ExpertBook B1502CBA has an ACPI DSDT table that describes IRQ 1 as
ActiveLow while the kernel overrides it to Edge_High.
$ sudo dmesg | grep DMI
DMI: ASUSTeK COMPUTER INC. ASUS EXPERTBOOK B1502CBA_B1502CBA/B1502CBA, BIOS B1502CBA.300 01/18/2023
$ grep -A 40 PS2K dsdt.dsl | grep IRQ -A 1
IRQ (Level, ActiveLow, Exclusive, )
{1}
This prevents the keyboard from working. To fix this issue, add this laptop
to the skip_override_table so that the kernel does not override IRQ 1.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217323
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Picasso was the first APU that introduced s2idle support from AMD,
and it was predating before vendors started to use `StorageD3Enable`
in their firmware.
Windows doesn't have problems with this hardware and NVME so it was
likely on the list of hardcoded CPUs to use this behavior in Windows.
Add it to the list for Linux to avoid NVME resume issues.
Reported-by: Stuart Axon <stuaxo2@yahoo.com>
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2449
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 0d5f467d6a0ba852ea3aad68663cbcbd43300fd4
ACPI_ALLOCATE_ZEROED may fails, object_info might be null and will cause
null pointer dereference later.
Link: https://github.com/acpica/acpica/commit/0d5f467d
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit bfdd3446e7caf795c85c70326c137023942972c5
Similar to "Replace one-element array with flexible-array", replace the
1-element array with a proper flexible array member as defined by C99.
This allows the code to operate without tripping compile-time and run-
time bounds checkers (e.g. via __builtin_object_size(), -fsanitize=bounds,
and/or -fstrict-flex-arrays=3). Note that the spec requires there be at
least one interrupt, so use a union to keep space allocated for this.
The only binary change in .text and .data sections is some rearrangement
by the compiler of acpi_dm_address_common(), but appears to be harmless.
Link: https://github.com/acpica/acpica/commit/bfdd3446
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit e66decc6fca36b59194b0947d87d6a9bec078bc3
Similar to "Replace one-element array with flexible-array", replace the
1-element array with a proper flexible array member as defined by C99.
This allows the code to operate without tripping compile-time and run-
time bounds checkers (e.g. via __builtin_object_size(), -fsanitize=bounds,
and/or -fstrict-flex-arrays=3).
Unlike struct acpi_nfit_flush_address and struct acpi_nfit_smbios, which
had their sizeof() uses adjusted in code, struct acpi_nfit_interleave did
not. This appears to have been a bug. After this change, there is a binary
difference in acpi_dm_dump_nfit() since the size of the structure now has
the correct size, as the prior result was including the trailing U32:
- mov $0x14,%ebp
+ mov $0x10,%ebp
Link: https://github.com/acpica/acpica/commit/e66decc6
Signed-off-by: Bob Moore <robert.moore@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 44f1af0664599e87bebc3a1260692baa27b2f264
Similar to "Replace one-element array with flexible-array", replace the
1-element array with a proper flexible array member as defined by C99.
This allows the code to operate without tripping compile-time and run-
time bounds checkers (e.g. via __builtin_object_size(), -fsanitize=bounds,
and/or -fstrict-flex-arrays=3).
The sizeof() uses with struct acpi_nfit_flush_address and struct
acpi_nfit_smbios have been adjusted to drop the open-coded subtraction
of the trailing single element. The result is no binary differences in
.text nor .data sections.
Link: https://github.com/acpica/acpica/commit/44f1af06
Signed-off-by: Bob Moore <robert.moore@intel.com>
Co-developed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 770653e3ba67c30a629ca7d12e352d83c2541b1e
Before this change we see the following UBSAN stack trace in Fuchsia:
#0 0x000021e4213b3302 in acpi_ds_init_aml_walk(struct acpi_walk_state*, union acpi_parse_object*, struct acpi_namespace_node*, u8*, u32, struct acpi_evaluate_info*, u8) ../../third_party/acpica/source/components/dispatcher/dswstate.c:682 <platform-bus-x86.so>+0x233302
#1.2 0x000020d0f660777f in ubsan_get_stack_trace() compiler-rt/lib/ubsan/ubsan_diag.cpp:41 <libclang_rt.asan.so>+0x3d77f
#1.1 0x000020d0f660777f in maybe_print_stack_trace() compiler-rt/lib/ubsan/ubsan_diag.cpp:51 <libclang_rt.asan.so>+0x3d77f
#1 0x000020d0f660777f in ~scoped_report() compiler-rt/lib/ubsan/ubsan_diag.cpp:387 <libclang_rt.asan.so>+0x3d77f
#2 0x000020d0f660b96d in handlepointer_overflow_impl() compiler-rt/lib/ubsan/ubsan_handlers.cpp:809 <libclang_rt.asan.so>+0x4196d
#3 0x000020d0f660b50d in compiler-rt/lib/ubsan/ubsan_handlers.cpp:815 <libclang_rt.asan.so>+0x4150d
#4 0x000021e4213b3302 in acpi_ds_init_aml_walk(struct acpi_walk_state*, union acpi_parse_object*, struct acpi_namespace_node*, u8*, u32, struct acpi_evaluate_info*, u8) ../../third_party/acpica/source/components/dispatcher/dswstate.c:682 <platform-bus-x86.so>+0x233302
#5 0x000021e4213e2369 in acpi_ds_call_control_method(struct acpi_thread_state*, struct acpi_walk_state*, union acpi_parse_object*) ../../third_party/acpica/source/components/dispatcher/dsmethod.c:605 <platform-bus-x86.so>+0x262369
#6 0x000021e421437fac in acpi_ps_parse_aml(struct acpi_walk_state*) ../../third_party/acpica/source/components/parser/psparse.c:550 <platform-bus-x86.so>+0x2b7fac
#7 0x000021e4214464d2 in acpi_ps_execute_method(struct acpi_evaluate_info*) ../../third_party/acpica/source/components/parser/psxface.c:244 <platform-bus-x86.so>+0x2c64d2
#8 0x000021e4213aa052 in acpi_ns_evaluate(struct acpi_evaluate_info*) ../../third_party/acpica/source/components/namespace/nseval.c:250 <platform-bus-x86.so>+0x22a052
#9 0x000021e421413dd8 in acpi_ns_init_one_device(acpi_handle, u32, void*, void**) ../../third_party/acpica/source/components/namespace/nsinit.c:735 <platform-bus-x86.so>+0x293dd8
#10 0x000021e421429e98 in acpi_ns_walk_namespace(acpi_object_type, acpi_handle, u32, u32, acpi_walk_callback, acpi_walk_callback, void*, void**) ../../third_party/acpica/source/components/namespace/nswalk.c:298 <platform-bus-x86.so>+0x2a9e98
#11 0x000021e4214131ac in acpi_ns_initialize_devices(u32) ../../third_party/acpica/source/components/namespace/nsinit.c:268 <platform-bus-x86.so>+0x2931ac
#12 0x000021e42147c40d in acpi_initialize_objects(u32) ../../third_party/acpica/source/components/utilities/utxfinit.c:304 <platform-bus-x86.so>+0x2fc40d
#13 0x000021e42126d603 in acpi::acpi_impl::initialize_acpi(acpi::acpi_impl*) ../../src/devices/board/lib/acpi/acpi-impl.cc:224 <platform-bus-x86.so>+0xed603
Add a simple check that avoids incrementing a pointer by zero, but
otherwise behaves as before. Note that our findings are against ACPICA
20221020, but the same code exists on master.
Link: https://github.com/acpica/acpica/commit/770653e3
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 661feab5ee01a34af95a389a18c82e79f1aba05a
Link: https://github.com/acpica/acpica/commit/661feab5
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 25bddd1824b1e450829468a64bbdcb38074ba3d2
Copyright updates to 2023.
Link: https://github.com/acpica/acpica/commit/25bddd18
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit d4a2c93198cdd9c6f4a83798345851fee96d5ca5
Also renames struct acpi_data_table_mapping's struct to
struct acpi_data_table_mapping, just so conversion goes smoothly.
Link: https://github.com/acpica/acpica/commit/d4a2c931
Signed-off-by: Pedro Falcato <pedro.falcato@gmail.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 2d85f3d30cdf9ceeb516e76bdc3c5c5d1d9b9fea
The following commit add function tracing macros for the namespace repiar
mechanism.
commit 87b8dba05b4cf8c111948327023c710e2b6b5a05
Add function trace macros to improve namespace debugging
But it missed the trace macro for the entry of ns_repair_HID(). Let's add
it.
Link: https://github.com/acpica/acpica/commit/2d85f3d3
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The Lenovo ThinkPad W530 uses a nvidia k1000m GPU. When this gets used
together with one of the older nvidia binary driver series (the latest
series does not support it), then backlight control does not work.
This is caused by commit 3dbc80a3e4 ("ACPI: video: Make backlight
class device registration a separate step (v2)") combined with
commit 5aa9d943e9 ("ACPI: video: Don't enable fallback path for
creating ACPI backlight by default").
After these changes the acpi_video# backlight device is only registered
when requested by a GPU driver calling acpi_video_register_backlight()
which the nvidia binary driver does not do.
I realize that using the nvidia binary driver is not a supported use-case
and users can workaround this by adding acpi_backlight=video on the kernel
commandline, but the ThinkPad W530 is a popular model under Linux users,
so it seems worthwhile to add a quirk for this.
I will also email Nvidia asking them to make the driver call
acpi_video_register_backlight() when an internal LCD panel is detected.
So maybe the next maintenance release of the drivers will fix this...
Fixes: 5aa9d943e9 ("ACPI: video: Don't enable fallback path for creating ACPI backlight by default")
Cc: All applicable <stable@vger.kernel.org>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
On the Apple iMac14,1 and iMac14,2 all-in-ones (monitors with builtin "PC")
the connection between the GPU and the panel is seen by the GPU driver as
regular DP instead of eDP, causing the GPU driver to never call
acpi_video_register_backlight().
(GPU drivers only call acpi_video_register_backlight() when an internal
panel is detected, to avoid non working acpi_video# devices getting
registered on desktops which unfortunately is a real issue.)
Fix the missing acpi_video# backlight device on these all-in-ones by
adding a acpi_backlight=video DMI quirk, so that video.ko will
immediately register the backlight device instead of waiting for
an acpi_video_register_backlight() call.
Fixes: 5aa9d943e9 ("ACPI: video: Don't enable fallback path for creating ACPI backlight by default")
Cc: All applicable <stable@vger.kernel.org>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit 3dbc80a3e4 ("ACPI: video: Make backlight class device
registration a separate step (v2)") combined with
commit 5aa9d943e9 ("ACPI: video: Don't enable fallback path for
creating ACPI backlight by default")
Means that the video.ko code now fully depends on the GPU driver calling
acpi_video_register_backlight() for the acpi_video# backlight class
devices to get registered.
This means that if the GPU driver does not do this, acpi_backlight=video
on the cmdline, or DMI quirks for selecting acpi_video# will not work.
This is a problem on for example Apple iMac14,1 all-in-ones where
the monitor's LCD panel shows up as a regular DP connection instead of
eDP so the GPU driver will not call acpi_video_register_backlight() [1].
Fix this by making video.ko directly register the acpi_video# devices
when these have been explicitly requested either on the cmdline or
through DMI quirks (rather then auto-detection being used).
[1] GPU drivers only call acpi_video_register_backlight() when an internal
panel is detected, to avoid non working acpi_video# devices getting
registered on desktops which unfortunately is a real issue.
Fixes: 5aa9d943e9 ("ACPI: video: Don't enable fallback path for creating ACPI backlight by default")
Cc: All applicable <stable@vger.kernel.org>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Allow callers of __acpi_video_get_backlight_type() to pass a pointer
to a bool which will get set to false if the backlight-type comes from
the cmdline or a DMI quirk and set to true if auto-detection was used.
And make __acpi_video_get_backlight_type() non static so that it can
be called directly outside of video_detect.c .
While at it turn the acpi_video_get_backlight_type() and
acpi_video_backlight_use_native() wrappers into static inline functions
in include/acpi/video.h, so that we need to export one less symbol.
Fixes: 5aa9d943e9 ("ACPI: video: Don't enable fallback path for creating ACPI backlight by default")
Cc: All applicable <stable@vger.kernel.org>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This helper does not produce a real modalias, but tries to get the
"product" compatible part of the "vendor,product" compatibles only. It
is far from creating a purely useful modalias string and does not seem
to be used like that directly anyway, so let's try to give this helper a
more meaningful name before moving there a real modalias helper (already
existing under of/device.c).
Also update the various documentations to refer to the strings as
"aliases" rather than "modaliases" which has a real meaning in the Linux
kernel.
There is no functional change.
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Wolfram Sang <wsa@kernel.org>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Sebastian Reichel <sre@kernel.org>
Link: https://lore.kernel.org/r/20230404172148.82422-9-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We need the fixes in here for testing, as well as the driver core
changes for documentation updates to build on.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When setting up DMA for a PCI device, we need to initialize its
iommu_fwspec with all possible alias RIDs (such as PCI bridges). To do
this we use pci_for_each_dma_alias() which calls
viot_pci_dev_iommu_init(). This function incorrectly initializes the
fwspec of the bridge instead of the device being configured. Fix it by
passing the original device as context to pci_for_each_dma_alias().
Fixes: 3cf485540e ("ACPI: Add driver for the VIOT table")
Link: https://lore.kernel.org/all/Y8qzOKm6kvhGWG1T@myrica
Reported-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Modify the code in accordance with the coccicheck warning:
drivers/acpi/thermal.c:422: WARNING opportunity for min().
min_t() macro is defined in include/linux/minmax.h. It avoids multiple
evaluations of the arguments when non-constant and performs strict
type-checking.
Signed-off-by: Jiangshan Yi <yijiangshan@kylinos.cn>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The "Smart Battery Selector" standard says that when writing
SelectorState (0x1), the nibbles which should not be modified
need to be masked with 0xff. This is necessary since in contrast
to a "Smart Battery Manager", the last three nibbles are writable.
Failing to do so might trigger the following cycle:
1. Host accidentally changes power source of the system (3rd nibble)
when selecting a battery.
2. Power source is invalid, Selector changes to another power source.
3. Selector notifies host that it changed the power source.
4. Host re-reads some batteries.
5. goto 1 for each re-read battery.
This loop might also be entered when a battery which is not present
is selected for SMBus access. In the end some workqueues fill up,
which causes the system to lockup upon suspend/shutdown.
Fix this by correctly masking the value to be written, and avoid
selecting batteries which are absent.
Tested on a Acer Travelmate 4002WLMi.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
When removing custom query handlers, the handler might still
be used inside the EC query workqueue, causing a kernel oops
if the module holding the callback function was already unloaded.
Fix this by flushing the EC query workqueue when removing
custom query handlers.
Tested on a Acer Travelmate 4002WLMi
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
According to the ACPI spec part 5.6.4.1.2, EC query handlers discovered
thru ACPI should not be removed when a driver removes his custom query
handler. On the Acer Travelmate 4002WLMi for example, such a query
handler is used as a fallback to handle the EC SMBus alert when no driver
is present.
Change acpi_ec_remove_query_handlers() so that only custom query
handlers are removed then remove_all is false. Query handlers discovered
thru ACPI will still get removed when remove_all is true, which happens
on device removal. Also add a simple check to ensure that
acpi_ec_add_query_handler() is always called with either handle or func
being set, since custom query handlers are detected based whether
handlers->func is set or not.
Tested on a Acer Travelmate 4002WLMi.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
[ rjw: Comment adjustment ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
1) Remove unnecessary blank lines.
2) Reformat one comment for consistency.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Refactor acpi_data_prop_read_single() for decreased indentation
and better structure. No functional changes intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
OSPM executes an EXECUTE_OPERATION action to instruct the platform to begin
the injection operation, then executes a GET_COMMAND_STATUS action to
determine the status of the completed operation. The ACPI Specification
documented error codes[1] are:
0 = Success (Linux #define EINJ_STATUS_SUCCESS)
1 = Unknown failure (Linux #define EINJ_STATUS_FAIL)
2 = Invalid Access (Linux #define EINJ_STATUS_INVAL)
The original code report -EBUSY for both "Unknown Failure" and "Invalid
Access" cases. Actually, firmware could do some platform dependent sanity
checks and returns different error codes, e.g. "Invalid Access" to indicate
to the user that the parameters they supplied cannot be used for injection.
To this end, fix to return -EINVAL in the __einj_error_inject() error
handling case instead of always -EBUSY, when explicitly indicated by the
platform in the status of the completed operation.
[1] ACPI Specification 6.5 18.6.1. Error Injection Table
Signed-off-by: Shuai Xue <xueshuai@linux.alibaba.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The Confidential Computing Event Log (CCEL) table provides the address
and length of the CCEL records area in UEFI reserved memory.
To allow user space access to these records, expose a sysfs interface
similar to the BERT table.
More details about the CCEL table can be found in the ACPI specification
r6.5 [1], sec 5.2.34.
Link: https://uefi.org/specs/ACPI/6.5/05_ACPI_Software_Programming_Model.html#cc-event-log-acpi-table # [1]
Co-developed-by: Haibo Xu <haibo1.xu@intel.com>
Signed-off-by: Haibo Xu <haibo1.xu@intel.com>
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
For ACPI drivers that provide a ->notify() callback and set
ACPI_DRIVER_ALL_NOTIFY_EVENTS in their flags, that callback can be
invoked while either the ->add() or the ->remove() callback is running
without any synchronization at the bus type level which is counter to
the common-sense expectation that notification handling should only be
enabled when the driver is actually bound to the device. As a result,
if the driver is not careful enough, it's ->notify() callback may crash
when it is invoked too early or too late [1].
This issue has been amplified by commit d6fb6ee182 ("ACPI: bus: Drop
driver member of struct acpi_device") that made acpi_bus_notify() check
for the presence of the driver and its ->notify() callback directly
instead of using an extra driver pointer that was only set and cleared
by the bus type code, but it was present before that commit although
it was harder to reproduce then.
It can be addressed by using the observation that
acpi_device_install_notify_handler() can be modified to install the
handler for all types of events when ACPI_DRIVER_ALL_NOTIFY_EVENTS is
set in the driver flags, in which case acpi_bus_notify() will not need
to invoke the driver's ->notify() callback any more and that callback
will only be invoked after acpi_device_install_notify_handler() has run
and before acpi_device_remove_notify_handler() runs, which implies the
correct ordering with respect to the other ACPI driver callbacks.
Modify the code accordingly and while at it, drop two redundant local
variables from acpi_bus_notify() and turn its description comment into
a proper kerneldoc one.
Fixes: d6fb6ee182 ("ACPI: bus: Drop driver member of struct acpi_device")
Link: https://lore.kernel.org/linux-acpi/9f6cba7a8a57e5a687c934e8e406e28c.squirrel@mail.panix.com # [1]
Reported-by: Pierre Asselin <pa@panix.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Pierre Asselin <pa@panix.com>
- Restore the thermal core behavior regarding zero-temperature trip
points to avoid a driver regression (Ido Schimmel).
- Fix a recent regression in the ACPI processor driver preventing it
from changing the number of CPU cooling device states exposed via
sysfs after the given CPU cooling device has been registered (Rafael
Wysocki).
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Merge tag 'thermal-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These address two recent regressions related to thermal control.
Specifics:
- Restore the thermal core behavior regarding zero-temperature trip
points to avoid a driver regression (Ido Schimmel)
- Fix a recent regression in the ACPI processor driver preventing it
from changing the number of CPU cooling device states exposed via
sysfs after the given CPU cooling device has been registered
(Rafael Wysocki)"
* tag 'thermal-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: core: Restore behavior regarding invalid trip points
ACPI: processor: thermal: Update CPU cooling devices on cpufreq policy changes
thermal: core: Introduce thermal_cooling_device_update()
thermal: core: Introduce thermal_cooling_device_present()
ACPI: processor: Reorder acpi_processor_driver_init()
Add DMI info of the Medion S17413 (board M1xA) to the IRQ override
quirk table. This fixes the keyboard not working on these laptops.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=213031
Signed-off-by: Aymeric Wibo <obiwac@gmail.com>
[ rjw: Fixed up white space ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Direct access to the struct bus_type dev_root pointer is going away soon
so replace that with a call to bus_get_dev_root() instead, which is what
it is there for.
Cc: Len Brown <lenb@kernel.org>
Cc: linux-acpi@vger.kernel.org
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20230322083646.2937580-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The table values that are not defined in the specification are
considered non-fatal errors in the code.
However, they are firmware bugs, so point this out in the messages by
prefixing them with FW_BUG.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
In ACPI systems, the OS can direct power management, as opposed to the
firmware. This OS-directed Power Management is called OSPM. Part of
telling the firmware that the OS going to direct power management is
making ACPI "_PDC" (Processor Driver Capabilities) calls. These _PDC
methods must be evaluated for every processor object. If these _PDC
calls are not completed for every processor it can lead to
inconsistency and later failures in things like the CPU frequency
driver.
In a Xen system, the dom0 kernel is responsible for system-wide power
management. The dom0 kernel is in charge of OSPM. However, the
number of CPUs available to dom0 can be different than the number of
CPUs physically present on the system.
This leads to a problem: the dom0 kernel needs to evaluate _PDC for
all the processors, but it can't always see them.
In dom0 kernels, ignore the existing ACPI method for determining if a
processor is physically present because it might not be accurate.
Instead, ask the hypervisor for this information.
Fix this by introducing a custom function to use when running as Xen
dom0 in order to check whether a processor object matches a CPU that's
online. Such checking is done using the existing information fetched
by the Xen pCPU subsystem, extending it to also store the ACPI ID.
This ensures that _PDC method gets evaluated for all physically online
CPUs, regardless of the number of CPUs made available to dom0.
Fixes: 5d554a7bb0 ("ACPI: processor: add internal processor_physically_present()")
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
When a cpufreq policy appears or goes away, the CPU cooling devices for
the CPUs covered by that policy need to be updated so that the new
processor_get_max_state() value is stored as max_state and the
statistics in sysfs are rearranged for each of them.
Do that accordingly in acpi_thermal_cpufreq_init() and
acpi_thermal_cpufreq_exit().
Fixes: a365105c685c("thermal: sysfs: Reuse cdev->max_state")
Reported-by: Wang, Quanxian <quanxian.wang@intel.com>
Link: https://lore.kernel.org/linux-pm/53ec1f06f61c984100868926f282647e57ecfb2d.camel@intel.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
The cpufreq policy notifier in the ACPI processor driver may as
well be registered before the driver itself, which causes
acpi_processor_cpufreq_init to be true (unless the notifier
registration fails, which is unlikely at that point) when the
ACPI CPU thermal cooling devices are registered, so the
processor_get_max_state() result does not change while
acpi_processor_driver_init() is running.
Change the ordering in acpi_processor_driver_init() accordingly
to prevent the max_state value from remaining 0 permanently for all
ACPI CPU cooling devices due to setting acpi_processor_cpufreq_init
too late. [Note that processor_get_max_state() may still return
different values at different times after this change, depending on
the cpufreq driver registration time, but that issue needs to be
addressed separately.]
Fixes: a365105c685c("thermal: sysfs: Reuse cdev->max_state")
Reported-by: Wang, Quanxian <quanxian.wang@intel.com>
Link: https://lore.kernel.org/linux-pm/53ec1f06f61c984100868926f282647e57ecfb2d.camel@intel.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
The Acer Aspire 3830TG predates Windows 8, so it defaults to using
acpi_video# for backlight control, but this is non functional on
this model.
Add a DMI quirk to use the native backlight interface which does
work properly.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The acpi-cpufreq and pcc-cpufreq drivers are loaded through per-CPU
module aliases. This can result in many unnecessary load requests during
boot if another frequency module, such as intel_pstate, is already
active. For instance, on a typical Intel system, one can observe that
udev makes 2x#CPUs attempts to insert acpi_cpufreq and 1x#CPUs attempts
for pcc_cpufreq. All these tries then fail if another frequency module
is already registered.
In the worst case, without the recent fix in commit 0254127ab9
("module: Don't wait for GOING modules"), these module loads occupied
all udev workers and had their initialization attempts ran sequentially.
Resolving all these loads then on some larger machines took too long,
prevented other hardware from getting its drivers initialized and
resulted in a failed boot. Discussion over these duplicate module
requests ended up with a conclusion that only one load attempt should be
ideally made.
Both acpi-cpufreq and pcc-cpufreq drivers use platform firmware controls
which are defined by ACPI. It is possible to treat these interfaces as
platform devices.
The patch extends the ACPI parsing logic to check the ACPI namespace if
the PPC or PCC interface is present and creates a virtual platform
device for each if it is available. The acpi-cpufreq and pcc-cpufreq
drivers are then updated to map to these devices.
This allows to try loading acpi-cpufreq and pcc-cpufreq only once during
boot and only if a given interface is available in the firmware.
Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
[ rjw: whitespace and error message log level adjustments, subject edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPI 6.5 added six new error types for CXL. See chapter 18
table 18.30.
Add strings for the new types so that Linux will list them in the
/sys/kernel/debug/apei/einj/available_error_types file.
It seems no other changes are needed. Linux already accepts
the CXL codes (on a BIOS that advertises them).
Signed-off-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
devm_kzalloc() may fail, clk_data->name might be NULL and will
cause a NULL pointer dereference later.
Signed-off-by: Kang Chen <void0red@gmail.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
For some AMD shared memory based systems, the autonomous selection bit
needed to be set explicitly. Add autonomous selection register related
APIs to acpi driver, which amd_pstate driver uses later.
Acked-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Wyes Karny <wyes.karny@amd.com>
[ rjw: Fixed up kerneldoc comments, white space adjustment, subject edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Currently writing of min and max perf register is deferred in
cppc_set_perf function. In CPPC guided mode, these registers needed to
be written to guide the platform about min and max perf levels. Add this support
to make guided mode work properly on AMD shared memory systems.
Acked-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Wyes Karny <wyes.karny@amd.com>
[ rjw: Fixed up a multiline comment, subject edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Merge a new ACPI backlight quirk, new ACPI quirks for I2C device
enumeration on some platforms, a pfrut utility fix and an ACPI
documentation fix for 6.3-rc3:
- Add backlight=native DMI quirk for Dell Vostro 15 3535 to the ACPI
video driver (Chia-Lin Kao).
- Add ACPI quirks for I2C devices enumeration on Lenovo Yoga Book X90
and Acer Iconia One 7 B1-750 (Hans de Goede).
- Fix handling of invalid command line option values in the ACPI pfrut
utility (Chen Yu).
- Fix references to I2C device data type in the ACPI documentation for
device enumeration (Andy Shevchenko).
* acpi-video:
ACPI: video: Add backlight=native DMI quirk for Dell Vostro 15 3535
* acpi-x86:
ACPI: x86: Add skip i2c clients quirk for Lenovo Yoga Book X90
ACPI: x86: Add skip i2c clients quirk for Acer Iconia One 7 B1-750
ACPI: x86: Introduce an acpi_quirk_skip_gpio_event_handlers() helper
* acpi-tools:
ACPI: tools: pfrut: Check if the input of level and type is in the right numeric range
* acpi-docs:
ACPI: docs: enumeration: Correct reference to the I²C device data type
Commit 0c80f9e165 ("ACPI: PPTT: Leave the table mapped for the runtime usage")
enabled to map PPTT once on the first invocation of acpi_get_pptt() and
never unmapped the same allowing it to be used at runtime with out the
hassle of mapping and unmapping the table. This was needed to fetch LLC
information from the PPTT in the cpuhotplug path which is executed in
the atomic context as the acpi_get_table() might sleep waiting for a
mutex.
However it missed to handle the case when there is no PPTT on the system
which results in acpi_get_pptt() being called from all the secondary
CPUs attempting to fetch the LLC information in the atomic context
without knowing the absence of PPTT resulting in the splat like below:
| BUG: sleeping function called from invalid context at kernel/locking/semaphore.c:164
| in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/1
| preempt_count: 1, expected: 0
| RCU nest depth: 0, expected: 0
| no locks held by swapper/1/0.
| irq event stamp: 0
| hardirqs last enabled at (0): 0x0
| hardirqs last disabled at (0): copy_process+0x61c/0x1b40
| softirqs last enabled at (0): copy_process+0x61c/0x1b40
| softirqs last disabled at (0): 0x0
| CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.3.0-rc1 #1
| Call trace:
| dump_backtrace+0xac/0x138
| show_stack+0x30/0x48
| dump_stack_lvl+0x60/0xb0
| dump_stack+0x18/0x28
| __might_resched+0x160/0x270
| __might_sleep+0x58/0xb0
| down_timeout+0x34/0x98
| acpi_os_wait_semaphore+0x7c/0xc0
| acpi_ut_acquire_mutex+0x58/0x108
| acpi_get_table+0x40/0xe8
| acpi_get_pptt+0x48/0xa0
| acpi_get_cache_info+0x38/0x140
| init_cache_level+0xf4/0x118
| detect_cache_attributes+0x2e4/0x640
| update_siblings_masks+0x3c/0x330
| store_cpu_topology+0x88/0xf0
| secondary_start_kernel+0xd0/0x168
| __secondary_switched+0xb8/0xc0
Update acpi_get_pptt() to consider the fact that PPTT is once checked and
is not available on the system and return NULL avoiding any attempts to
fetch PPTT and thereby avoiding any possible sleep waiting for a mutex
in the atomic context.
Fixes: 0c80f9e165 ("ACPI: PPTT: Leave the table mapped for the runtime usage")
Reported-by: Aishwarya TCV <aishwarya.tcv@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Pierre Gondois <pierre.gondois@arm.com>
Cc: 6.0+ <stable@vger.kernel.org> # 6.0+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The Lenovo Yoga Book X90 is a x86 tablet which ships with Android x86
as factory OS. The Android x86 kernel fork ignores I2C devices described
in the DSDT, except for the PMIC and Audio codecs.
As usual the Lenovo Yoga Book X90's DSDT contains a bunch of extra I2C
devices which are not actually there, causing various resource conflicts.
Add an ACPI_QUIRK_SKIP_I2C_CLIENTS quirk for the Lenovo Yoga Book X90
to the acpi_quirk_skip_dmi_ids table to woraround this.
The DSDT also contains broken ACPI GPIO event handlers, disable those too.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rjw@rjwysocki.net>
The Acer Iconia One 7 B1-750 is a x86 tablet which ships with Android x86
as factory OS. The Android x86 kernel fork ignores I2C devices described
in the DSDT, except for the PMIC and Audio codecs.
As usual the Acer Iconia One 7 B1-750's DSDT contains a bunch of extra I2C
devices which are not actually there, causing various resource conflicts.
Add an ACPI_QUIRK_SKIP_I2C_CLIENTS quirk for the Acer Iconia One 7 B1-750
to the acpi_quirk_skip_dmi_ids table to woraround this.
The DSDT also contains broken ACPI GPIO event handlers, disable those too.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rjw@rjwysocki.net>
x86 ACPI boards which ship with only Android as their factory image usually
have pretty broken ACPI tables, relying on everything being hardcoded in
the factory kernel image and often disabling parts of the ACPI enumeration
kernel code to avoid the broken tables causing issues.
Part of this broken ACPI code is that sometimes these boards have _AEI
ACPI GPIO event handlers which are broken.
So far this has been dealt with in the platform/x86/x86-android-tablets.c
module, which contains various workarounds for these devices, by it calling
acpi_gpiochip_free_interrupts() on gpiochip-s with troublesome handlers to
disable the handlers.
But in some cases this is too late, if the handlers are of the edge type
then gpiolib-acpi.c's code will already have run them at boot.
This can cause issues such as GPIOs ending up as owned by "ACPI:OpRegion",
making them unavailable for drivers which actually need them.
Boards with these broken ACPI tables are already listed in
drivers/acpi/x86/utils.c for e.g. acpi_quirk_skip_i2c_client_enumeration().
Extend the quirks mechanism for a new acpi_quirk_skip_gpio_event_handlers()
helper, this re-uses the DMI-ids rather then having to duplicate the same
DMI table in gpiolib-acpi.c .
Also add the new ACPI_QUIRK_SKIP_GPIO_EVENT_HANDLERS quirk to existing
boards with troublesome ACPI gpio event handlers, so that the current
acpi_gpiochip_free_interrupts() hack can be removed from
x86-android-tablets.c .
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Rafael J. Wysocki <rjw@rjwysocki.net>
Sometimes the system boots up with a acpi_video0 backlight interface
which doesn't work. So add Dell Vostro 15 3535 into the
video_detect_dmi_table to set it to native explicitly.
Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com>
Signed-off-by: Rafael J. Wysocki <rjw@rjwysocki.net>
In order to get the thermal zone id but without directly accessing the
thermal zone device structure, add an accessor.
Use the accessor in the hwmon_scmi and acpi_thermal.
No functional change intented.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The thermal zone device structure is exposed to the different drivers
and obviously they access the internals while that should be
restricted to the core thermal code.
In order to self-encapsulate the thermal core code, we need to prevent
the drivers accessing directly the thermal zone structure and provide
accessor functions to deal with.
Use the devdata accessor introduced in the previous patch.
No functional changes intended.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com> #mlxsw
Acked-by: Gregory Greenman <gregory.greenman@intel.com> #iwlwifi
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> #power_supply
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> #ahci
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Add an ACPI IRQ override quirk for Asus Expertbook B2402FBA (Vojtech
Hejsek).
- Drop a suspend-to-idle quirk for HP Elitebook G9 that is not needed
any more after a firmware update (Mario Limonciello).
- Add all Cezanne systems to the list for forcing StorageD3Enable,
because they all need the same quirk (Mario Limonciello).
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Merge tag 'acpi-6.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These update ACPI quirks for some x86 platforms and add an IRQ
override quirk for one more system.
Specifics:
- Add an ACPI IRQ override quirk for Asus Expertbook B2402FBA
(Vojtech Hejsek)
- Drop a suspend-to-idle quirk for HP Elitebook G9 that is not needed
any more after a firmware update (Mario Limonciello)
- Add all Cezanne systems to the list for forcing StorageD3Enable,
because they all need the same quirk (Mario Limonciello)"
* tag 'acpi-6.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: x86: utils: Add Cezanne to the list for forcing StorageD3Enable
ACPI: x86: Drop quirk for HP Elitebook
ACPI: resource: Skip IRQ override on Asus Expertbook B2402FBA
Merge additional ACPI quirks for x86 systems:
- Drop a suspend-to-idle quirk for HP Elitebook G9 that is not needed
any more after a firmware update (Mario Limonciello).
- Add all Cezanne systems to the list for forcing StorageD3Enable,
because they all need the same quirk (Mario Limonciello).
* acpi-pm:
ACPI: x86: Drop quirk for HP Elitebook
* acpi-x86:
ACPI: x86: utils: Add Cezanne to the list for forcing StorageD3Enable
commit 018d6711c2 ("ACPI: x86: Add a quirk for Dell Inspiron 14 2-in-1
for StorageD3Enable") introduced a quirk to allow a system with ambiguous
use of _ADR 0 to force StorageD3Enable.
It was reported that several more Dell systems suffered the same symptoms.
As the list is continuing to grow but these are all Cezanne systems,
instead add Cezanne to the CPU list to apply the StorageD3Enable property
and remove the whole list.
It was also reported that an HP system only has StorageD3Enable on the ACPI
device for the first NVME disk, not the second.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217003
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216773
Reported-by: David Alvarez Lombardi <dqalombardi@proton.me>
Reported-by: dbilios@stdio.gr
Reported-and-tested-by: Elvis Angelaccio <elvis.angelaccio@kde.org>
Tested-by: victor.bonnelle@proton.me
Tested-by: hurricanepootis@protonmail.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There was a quirk in `acpi/x86/s2idle.c` for an HP Elitebook G9
platforms to force AMD GUID codepath instead of Microsoft codepath.
This was due to a bug with WCN6855 WLAN firmware interaction with
the system.
This bug is fixed by WCN6855 firmware:
WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.23
Remove the quirk as it's no longer necessary with this firmware.
Link: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=c7a57ef688f7d99d8338a5d8edddc8836ff0e6de
Tested-by: Anson Tsao <anson.tsao@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- CXL RAM region enumeration: instantiate 'struct cxl_region' objects
for platform firmware created memory regions
- CXL RAM region provisioning: complement the existing PMEM region
creation support with RAM region support
- "Soft Reservation" policy change: Online (memory hot-add)
soft-reserved memory (EFI_MEMORY_SP) by default, but still allow for
setting aside such memory for dedicated access via device-dax.
- CXL Events and Interrupts: Takeover CXL event handling from
platform-firmware (ACPI calls this CXL Memory Error Reporting) and
export CXL Events via Linux Trace Events.
- Convey CXL _OSC results to drivers: Similar to PCI, let the CXL
subsystem interrogate the result of CXL _OSC negotiation.
- Emulate CXL DVSEC Range Registers as "decoders": Allow for
first-generation devices that pre-date the definition of the CXL HDM
Decoder Capability to translate the CXL DVSEC Range Registers into
'struct cxl_decoder' objects.
- Set timestamp: Per spec, set the device timestamp in case of hotplug,
or if platform-firwmare failed to set it.
- General fixups: linux-next build issues, non-urgent fixes for
pre-production hardware, unit test fixes, spelling and debug message
improvements.
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Merge tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull Compute Express Link (CXL) updates from Dan Williams:
"To date Linux has been dependent on platform-firmware to map CXL RAM
regions and handle events / errors from devices. With this update we
can now parse / update the CXL memory layout, and report events /
errors from devices. This is a precursor for the CXL subsystem to
handle the end-to-end "RAS" flow for CXL memory. i.e. the flow that
for DDR-attached-DRAM is handled by the EDAC driver where it maps
system physical address events to a field-replaceable-unit (FRU /
endpoint device). In general, CXL has the potential to standardize
what has historically been a pile of memory-controller-specific error
handling logic.
Another change of note is the default policy for handling RAM-backed
device-dax instances. Previously the default access mode was "device",
mmap(2) a device special file to access memory. The new default is
"kmem" where the address range is assigned to the core-mm via
add_memory_driver_managed(). This saves typical users from wondering
why their platform memory is not visible via free(1) and stuck behind
a device-file. At the same time it allows expert users to deploy
policy to, for example, get dedicated access to high performance
memory, or hide low performance memory from general purpose kernel
allocations. This affects not only CXL, but also systems with
high-bandwidth-memory that platform-firmware tags with the
EFI_MEMORY_SP (special purpose) designation.
Summary:
- CXL RAM region enumeration: instantiate 'struct cxl_region' objects
for platform firmware created memory regions
- CXL RAM region provisioning: complement the existing PMEM region
creation support with RAM region support
- "Soft Reservation" policy change: Online (memory hot-add)
soft-reserved memory (EFI_MEMORY_SP) by default, but still allow
for setting aside such memory for dedicated access via device-dax.
- CXL Events and Interrupts: Takeover CXL event handling from
platform-firmware (ACPI calls this CXL Memory Error Reporting) and
export CXL Events via Linux Trace Events.
- Convey CXL _OSC results to drivers: Similar to PCI, let the CXL
subsystem interrogate the result of CXL _OSC negotiation.
- Emulate CXL DVSEC Range Registers as "decoders": Allow for
first-generation devices that pre-date the definition of the CXL
HDM Decoder Capability to translate the CXL DVSEC Range Registers
into 'struct cxl_decoder' objects.
- Set timestamp: Per spec, set the device timestamp in case of
hotplug, or if platform-firwmare failed to set it.
- General fixups: linux-next build issues, non-urgent fixes for
pre-production hardware, unit test fixes, spelling and debug
message improvements"
* tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (66 commits)
dax/kmem: Fix leak of memory-hotplug resources
cxl/mem: Add kdoc param for event log driver state
cxl/trace: Add serial number to trace points
cxl/trace: Add host output to trace points
cxl/trace: Standardize device information output
cxl/pci: Remove locked check for dvsec_range_allowed()
cxl/hdm: Add emulation when HDM decoders are not committed
cxl/hdm: Create emulated cxl_hdm for devices that do not have HDM decoders
cxl/hdm: Emulate HDM decoder from DVSEC range registers
cxl/pci: Refactor cxl_hdm_decode_init()
cxl/port: Export cxl_dvsec_rr_decode() to cxl_port
cxl/pci: Break out range register decoding from cxl_hdm_decode_init()
cxl: add RAS status unmasking for CXL
cxl: remove unnecessary calling of pci_enable_pcie_error_reporting()
dax/hmem: build hmem device support as module if possible
dax: cxl: add CXL_REGION dependency
cxl: avoid returning uninitialized error code
cxl/pmem: Fix nvdimm registration races
cxl/mem: Fix UAPI command comment
cxl/uapi: Tag commands from cxl_query_cmd()
...
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Merge tag 'pci-v6.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Rework portdrv shutdown so it disables interrupts but doesn't
disable bus mastering, which leads to hangs on Loongson LS7A
- Add mechanism to prevent Max_Read_Request_Size (MRRS) increases,
again to avoid hardware issues on Loongson LS7A (and likely other
devices based on DesignWare IP)
- Ignore devices with a firmware (DT or ACPI) node that says the
device is disabled
Resource management:
- Distribute spare resources to unconfigured hotplug bridges at
boot-time (not just when hot-adding such a bridge), which makes
hot-adding devices to docks work better. Tried this in v6.1 but had
to revert for regressions, so try again
- Fix root bus issue that dropped resources that happened to end
at 0, e.g., [bus 00]
PCI device hotplug:
- Remove device locking when marking device as disconnected so this
doesn't have to wait for concurrent driver bind/unbind to complete
- Quirk more Qualcomm bridges that don't fully implement the PCIe
Slot Status 'Command Completed' bit
Power management:
- Account for _S0W of the target bridge in acpi_pci_bridge_d3() so we
don't miss hot-add notifications for USB4 docks, Thunderbolt, etc
Reset:
- Observe delay after reset, e.g., resuming from system sleep,
regardless of whether a bridge can suspend to D3cold at runtime
- Wait for secondary bus to become ready after a bridge reset
Virtualization:
- Avoid FLR on some AMD FCH AHCI adapters where it doesn't work
- Allow independent IOMMU groups for some Wangxun NICs that prevent
peer-to-peer transactions but don't advertise an ACS Capability
Error handling:
- Configure End-to-End-CRC (ECRC) only if Linux owns the AER
Capability
- Remove redundant Device Control Error Reporting Enable in the AER
service driver since this is already done for all devices during
enumeration
ASPM:
- Add pci_enable_link_state() interface to allow drivers to enable
ASPM link state
Endpoint framework:
- Move dra7xx and tegra194 linkup processing from hard IRQ to
threaded IRQ handler
- Add a separate lock for endpoint controller list of endpoint
function drivers to prevent deadlock in callbacks
- Pass events from endpoint controller to endpoint function drivers
via callbacks instead of notifiers
Synopsys DesignWare eDMA controller driver (acked by Vinod):
- Fix CPU vs PCI address issues
- Fix source vs destination address issues
- Fix issues with interleaved transfer semantics
- Fix channel count initialization issue (issue still exists in
several other drivers)
- Clean up and improve debugfs usage so it will work on platforms
with several eDMA devices
Baikal T-1 PCIe controller driver:
- Set a 64-bit DMA mask
Freescale i.MX6 PCIe controller driver:
- Add i.MX8MM, i.MX8MQ, i.MX8MP endpoint mode DT binding and driver
support
Intel VMD host bridge driver:
- Add quirk to configure PCIe ASPM and LTR. This is normally done by
BIOS, and will be for future products
Marvell MVEBU PCIe controller driver:
- Mark this driver as broken in Kconfig since bugs prevent its daily
usage
MediaTek MT7621 PCIe controller driver:
- Delay PHY port initialization to improve boot reliability for ZBT
WE1326, ZBT WF3526-P, and some Netgear models
Qualcomm PCIe controller driver:
- Add MSM8998 DT compatible string
- Unify MSM8996 and MSM8998 clock orderings
- Add SM8350 DT binding and driver support
- Add IPQ8074 Gen3 DT binding and driver support
- Correct qcom,perst-regs in DT binding
- Add qcom_pcie_host_deinit() so the PHY is powered off and
regulators and clocks are disabled on late host-init errors
Socionext UniPhier Pro5 controller driver:
- Clean up uniphier-ep reg, clocks, resets, and their names in DT
binding
Synopsys DesignWare PCIe controller driver:
- Restrict coherent DMA mask to 32 bits for MSI, but allow controller
drivers to set 64-bit streaming DMA mask
- Add eDMA engine support in both Root Port and Endpoint controllers
Miscellaneous:
- Remove MODULE_LICENSE from boolean drivers so they don't look like
modules so modprobe can complain about them"
* tag 'pci-v6.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (86 commits)
PCI: dwc: Add Root Port and Endpoint controller eDMA engine support
PCI: bt1: Set 64-bit DMA mask
PCI: dwc: Restrict only coherent DMA mask for MSI address allocation
dmaengine: dw-edma: Prepare dw_edma_probe() for builtin callers
dmaengine: dw-edma: Depend on DW_EDMA instead of selecting it
dmaengine: dw-edma: Add mem-mapped LL-entries support
PCI: Remove MODULE_LICENSE so boolean drivers don't look like modules
PCI: hv: Drop duplicate PCI_MSI dependency
PCI/P2PDMA: Annotate RCU dereference
PCI/sysfs: Constify struct kobj_type pci_slot_ktype
PCI: hotplug: Allow marking devices as disconnected during bind/unbind
PCI: pciehp: Add Qualcomm quirk for Command Completed erratum
PCI: qcom: Add IPQ8074 Gen3 port support
dt-bindings: PCI: qcom: Add IPQ8074 Gen3 port
dt-bindings: PCI: qcom: Sort compatibles alphabetically
PCI: qcom: Fix host-init error handling
PCI: qcom: Add SM8350 support
dt-bindings: PCI: qcom: Add SM8350
dt-bindings: PCI: qcom-ep: Correct qcom,perst-regs
dt-bindings: PCI: qcom: Unify MSM8996 and MSM8998 clock order
...
Here is the large set of driver core changes for 6.3-rc1.
There's a lot of changes this development cycle, most of the work falls
into two different categories:
- fw_devlink fixes and updates. This has gone through numerous review
cycles and lots of review and testing by lots of different devices.
Hopefully all should be good now, and Saravana will be keeping a
watch for any potential regression on odd embedded systems.
- driver core changes to work to make struct bus_type able to be moved
into read-only memory (i.e. const) The recent work with Rust has
pointed out a number of areas in the driver core where we are
passing around and working with structures that really do not have
to be dynamic at all, and they should be able to be read-only making
things safer overall. This is the contuation of that work (started
last release with kobject changes) in moving struct bus_type to be
constant. We didn't quite make it for this release, but the
remaining patches will be finished up for the release after this
one, but the groundwork has been laid for this effort.
Other than that we have in here:
- debugfs memory leak fixes in some subsystems
- error path cleanups and fixes for some never-able-to-be-hit
codepaths.
- cacheinfo rework and fixes
- Other tiny fixes, full details are in the shortlog
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the large set of driver core changes for 6.3-rc1.
There's a lot of changes this development cycle, most of the work
falls into two different categories:
- fw_devlink fixes and updates. This has gone through numerous review
cycles and lots of review and testing by lots of different devices.
Hopefully all should be good now, and Saravana will be keeping a
watch for any potential regression on odd embedded systems.
- driver core changes to work to make struct bus_type able to be
moved into read-only memory (i.e. const) The recent work with Rust
has pointed out a number of areas in the driver core where we are
passing around and working with structures that really do not have
to be dynamic at all, and they should be able to be read-only
making things safer overall. This is the contuation of that work
(started last release with kobject changes) in moving struct
bus_type to be constant. We didn't quite make it for this release,
but the remaining patches will be finished up for the release after
this one, but the groundwork has been laid for this effort.
Other than that we have in here:
- debugfs memory leak fixes in some subsystems
- error path cleanups and fixes for some never-able-to-be-hit
codepaths.
- cacheinfo rework and fixes
- Other tiny fixes, full details are in the shortlog
All of these have been in linux-next for a while with no reported
problems"
[ Geert Uytterhoeven points out that that last sentence isn't true, and
that there's a pending report that has a fix that is queued up - Linus ]
* tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (124 commits)
debugfs: drop inline constant formatting for ERR_PTR(-ERROR)
OPP: fix error checking in opp_migrate_dentry()
debugfs: update comment of debugfs_rename()
i3c: fix device.h kernel-doc warnings
dma-mapping: no need to pass a bus_type into get_arch_dma_ops()
driver core: class: move EXPORT_SYMBOL_GPL() lines to the correct place
Revert "driver core: add error handling for devtmpfs_create_node()"
Revert "devtmpfs: add debug info to handle()"
Revert "devtmpfs: remove return value of devtmpfs_delete_node()"
driver core: cpu: don't hand-override the uevent bus_type callback.
devtmpfs: remove return value of devtmpfs_delete_node()
devtmpfs: add debug info to handle()
driver core: add error handling for devtmpfs_create_node()
driver core: bus: update my copyright notice
driver core: bus: add bus_get_dev_root() function
driver core: bus: constify bus_unregister()
driver core: bus: constify some internal functions
driver core: bus: constify bus_get_kset()
driver core: bus: constify bus_register/unregister_notifier()
driver core: remove private pointer from struct bus_type
...
F_SEAL_EXEC") which permits the setting of the memfd execute bit at
memfd creation time, with the option of sealing the state of the X bit.
- Peter Xu adds a patch series ("mm/hugetlb: Make huge_pte_offset()
thread-safe for pmd unshare") which addresses a rare race condition
related to PMD unsharing.
- Several folioification patch serieses from Matthew Wilcox, Vishal
Moola, Sidhartha Kumar and Lorenzo Stoakes
- Johannes Weiner has a series ("mm: push down lock_page_memcg()") which
does perform some memcg maintenance and cleanup work.
- SeongJae Park has added DAMOS filtering to DAMON, with the series
"mm/damon/core: implement damos filter". These filters provide users
with finer-grained control over DAMOS's actions. SeongJae has also done
some DAMON cleanup work.
- Kairui Song adds a series ("Clean up and fixes for swap").
- Vernon Yang contributed the series "Clean up and refinement for maple
tree".
- Yu Zhao has contributed the "mm: multi-gen LRU: memcg LRU" series. It
adds to MGLRU an LRU of memcgs, to improve the scalability of global
reclaim.
- David Hildenbrand has added some userfaultfd cleanup work in the
series "mm: uffd-wp + change_protection() cleanups".
- Christoph Hellwig has removed the generic_writepages() library
function in the series "remove generic_writepages".
- Baolin Wang has performed some maintenance on the compaction code in
his series "Some small improvements for compaction".
- Sidhartha Kumar is doing some maintenance work on struct page in his
series "Get rid of tail page fields".
- David Hildenbrand contributed some cleanup, bugfixing and
generalization of pte management and of pte debugging in his series "mm:
support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with swap
PTEs".
- Mel Gorman and Neil Brown have removed the __GFP_ATOMIC allocation
flag in the series "Discard __GFP_ATOMIC".
- Sergey Senozhatsky has improved zsmalloc's memory utilization with his
series "zsmalloc: make zspage chain size configurable".
- Joey Gouly has added prctl() support for prohibiting the creation of
writeable+executable mappings. The previous BPF-based approach had
shortcomings. See "mm: In-kernel support for memory-deny-write-execute
(MDWE)".
- Waiman Long did some kmemleak cleanup and bugfixing in the series
"mm/kmemleak: Simplify kmemleak_cond_resched() & fix UAF".
- T.J. Alumbaugh has contributed some MGLRU cleanup work in his series
"mm: multi-gen LRU: improve".
- Jiaqi Yan has provided some enhancements to our memory error
statistics reporting, mainly by presenting the statistics on a per-node
basis. See the series "Introduce per NUMA node memory error
statistics".
- Mel Gorman has a second and hopefully final shot at fixing a CPU-hog
regression in compaction via his series "Fix excessive CPU usage during
compaction".
- Christoph Hellwig does some vmalloc maintenance work in the series
"cleanup vfree and vunmap".
- Christoph Hellwig has removed block_device_operations.rw_page() in ths
series "remove ->rw_page".
- We get some maple_tree improvements and cleanups in Liam Howlett's
series "VMA tree type safety and remove __vma_adjust()".
- Suren Baghdasaryan has done some work on the maintainability of our
vm_flags handling in the series "introduce vm_flags modifier functions".
- Some pagemap cleanup and generalization work in Mike Rapoport's series
"mm, arch: add generic implementation of pfn_valid() for FLATMEM" and
"fixups for generic implementation of pfn_valid()"
- Baoquan He has done some work to make /proc/vmallocinfo and
/proc/kcore better represent the real state of things in his series
"mm/vmalloc.c: allow vread() to read out vm_map_ram areas".
- Jason Gunthorpe rationalized the GUP system's interface to the rest of
the kernel in the series "Simplify the external interface for GUP".
- SeongJae Park wishes to migrate people from DAMON's debugfs interface
over to its sysfs interface. To support this, we'll temporarily be
printing warnings when people use the debugfs interface. See the series
"mm/damon: deprecate DAMON debugfs interface".
- Andrey Konovalov provided the accurately named "lib/stackdepot: fixes
and clean-ups" series.
- Huang Ying has provided a dramatic reduction in migration's TLB flush
IPI rates with the series "migrate_pages(): batch TLB flushing".
- Arnd Bergmann has some objtool fixups in "objtool warning fixes".
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Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
- Daniel Verkamp has contributed a memfd series ("mm/memfd: add
F_SEAL_EXEC") which permits the setting of the memfd execute bit at
memfd creation time, with the option of sealing the state of the X
bit.
- Peter Xu adds a patch series ("mm/hugetlb: Make huge_pte_offset()
thread-safe for pmd unshare") which addresses a rare race condition
related to PMD unsharing.
- Several folioification patch serieses from Matthew Wilcox, Vishal
Moola, Sidhartha Kumar and Lorenzo Stoakes
- Johannes Weiner has a series ("mm: push down lock_page_memcg()")
which does perform some memcg maintenance and cleanup work.
- SeongJae Park has added DAMOS filtering to DAMON, with the series
"mm/damon/core: implement damos filter".
These filters provide users with finer-grained control over DAMOS's
actions. SeongJae has also done some DAMON cleanup work.
- Kairui Song adds a series ("Clean up and fixes for swap").
- Vernon Yang contributed the series "Clean up and refinement for maple
tree".
- Yu Zhao has contributed the "mm: multi-gen LRU: memcg LRU" series. It
adds to MGLRU an LRU of memcgs, to improve the scalability of global
reclaim.
- David Hildenbrand has added some userfaultfd cleanup work in the
series "mm: uffd-wp + change_protection() cleanups".
- Christoph Hellwig has removed the generic_writepages() library
function in the series "remove generic_writepages".
- Baolin Wang has performed some maintenance on the compaction code in
his series "Some small improvements for compaction".
- Sidhartha Kumar is doing some maintenance work on struct page in his
series "Get rid of tail page fields".
- David Hildenbrand contributed some cleanup, bugfixing and
generalization of pte management and of pte debugging in his series
"mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with
swap PTEs".
- Mel Gorman and Neil Brown have removed the __GFP_ATOMIC allocation
flag in the series "Discard __GFP_ATOMIC".
- Sergey Senozhatsky has improved zsmalloc's memory utilization with
his series "zsmalloc: make zspage chain size configurable".
- Joey Gouly has added prctl() support for prohibiting the creation of
writeable+executable mappings.
The previous BPF-based approach had shortcomings. See "mm: In-kernel
support for memory-deny-write-execute (MDWE)".
- Waiman Long did some kmemleak cleanup and bugfixing in the series
"mm/kmemleak: Simplify kmemleak_cond_resched() & fix UAF".
- T.J. Alumbaugh has contributed some MGLRU cleanup work in his series
"mm: multi-gen LRU: improve".
- Jiaqi Yan has provided some enhancements to our memory error
statistics reporting, mainly by presenting the statistics on a
per-node basis. See the series "Introduce per NUMA node memory error
statistics".
- Mel Gorman has a second and hopefully final shot at fixing a CPU-hog
regression in compaction via his series "Fix excessive CPU usage
during compaction".
- Christoph Hellwig does some vmalloc maintenance work in the series
"cleanup vfree and vunmap".
- Christoph Hellwig has removed block_device_operations.rw_page() in
ths series "remove ->rw_page".
- We get some maple_tree improvements and cleanups in Liam Howlett's
series "VMA tree type safety and remove __vma_adjust()".
- Suren Baghdasaryan has done some work on the maintainability of our
vm_flags handling in the series "introduce vm_flags modifier
functions".
- Some pagemap cleanup and generalization work in Mike Rapoport's
series "mm, arch: add generic implementation of pfn_valid() for
FLATMEM" and "fixups for generic implementation of pfn_valid()"
- Baoquan He has done some work to make /proc/vmallocinfo and
/proc/kcore better represent the real state of things in his series
"mm/vmalloc.c: allow vread() to read out vm_map_ram areas".
- Jason Gunthorpe rationalized the GUP system's interface to the rest
of the kernel in the series "Simplify the external interface for
GUP".
- SeongJae Park wishes to migrate people from DAMON's debugfs interface
over to its sysfs interface. To support this, we'll temporarily be
printing warnings when people use the debugfs interface. See the
series "mm/damon: deprecate DAMON debugfs interface".
- Andrey Konovalov provided the accurately named "lib/stackdepot: fixes
and clean-ups" series.
- Huang Ying has provided a dramatic reduction in migration's TLB flush
IPI rates with the series "migrate_pages(): batch TLB flushing".
- Arnd Bergmann has some objtool fixups in "objtool warning fixes".
* tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (505 commits)
include/linux/migrate.h: remove unneeded externs
mm/memory_hotplug: cleanup return value handing in do_migrate_range()
mm/uffd: fix comment in handling pte markers
mm: change to return bool for isolate_movable_page()
mm: hugetlb: change to return bool for isolate_hugetlb()
mm: change to return bool for isolate_lru_page()
mm: change to return bool for folio_isolate_lru()
objtool: add UACCESS exceptions for __tsan_volatile_read/write
kmsan: disable ftrace in kmsan core code
kasan: mark addr_has_metadata __always_inline
mm: memcontrol: rename memcg_kmem_enabled()
sh: initialize max_mapnr
m68k/nommu: add missing definition of ARCH_PFN_OFFSET
mm: percpu: fix incorrect size in pcpu_obj_full_size()
maple_tree: reduce stack usage with gcc-9 and earlier
mm: page_alloc: call panic() when memoryless node allocation fails
mm: multi-gen LRU: avoid futile retries
migrate_pages: move THP/hugetlb migration support check to simplify code
migrate_pages: batch flushing TLB
migrate_pages: share more code between _unmap and _move
...
The Asus Expertbook B2502FBA has IRQ 1 described as Active_Low
in its ACPI table. However, the kernel overrides this and sets it to
Edge_High, which prevents the internal keyboard from working properly.
Adding this laptop model to the override_table fixes the issue.
Signed-off-by: Vojtech Hejsek <hejsekvojtech@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Support for arm64 SME 2 and 2.1. SME2 introduces a new 512-bit
architectural register (ZT0, for the look-up table feature) that Linux
needs to save/restore.
- Include TPIDR2 in the signal context and add the corresponding
kselftests.
- Perf updates: Arm SPEv1.2 support, HiSilicon uncore PMU updates, ACPI
support to the Marvell DDR and TAD PMU drivers, reset DTM_PMU_CONFIG
(ARM CMN) at probe time.
- Support for DYNAMIC_FTRACE_WITH_CALL_OPS on arm64.
- Permit EFI boot with MMU and caches on. Instead of cleaning the entire
loaded kernel image to the PoC and disabling the MMU and caches before
branching to the kernel bare metal entry point, leave the MMU and
caches enabled and rely on EFI's cacheable 1:1 mapping of all of
system RAM to populate the initial page tables.
- Expose the AArch32 (compat) ELF_HWCAP features to user in an arm64
kernel (the arm32 kernel only defines the values).
- Harden the arm64 shadow call stack pointer handling: stash the shadow
stack pointer in the task struct on interrupt, load it directly from
this structure.
- Signal handling cleanups to remove redundant validation of size
information and avoid reading the same data from userspace twice.
- Refactor the hwcap macros to make use of the automatically generated
ID registers. It should make new hwcaps writing less error prone.
- Further arm64 sysreg conversion and some fixes.
- arm64 kselftest fixes and improvements.
- Pointer authentication cleanups: don't sign leaf functions, unify
asm-arch manipulation.
- Pseudo-NMI code generation optimisations.
- Minor fixes for SME and TPIDR2 handling.
- Miscellaneous updates: ARCH_FORCE_MAX_ORDER is now selectable, replace
strtobool() to kstrtobool() in the cpufeature.c code, apply dynamic
shadow call stack in two passes, intercept pfn changes in set_pte_at()
without the required break-before-make sequence, attempt to dump all
instructions on unhandled kernel faults.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
- Support for arm64 SME 2 and 2.1. SME2 introduces a new 512-bit
architectural register (ZT0, for the look-up table feature) that
Linux needs to save/restore
- Include TPIDR2 in the signal context and add the corresponding
kselftests
- Perf updates: Arm SPEv1.2 support, HiSilicon uncore PMU updates, ACPI
support to the Marvell DDR and TAD PMU drivers, reset DTM_PMU_CONFIG
(ARM CMN) at probe time
- Support for DYNAMIC_FTRACE_WITH_CALL_OPS on arm64
- Permit EFI boot with MMU and caches on. Instead of cleaning the
entire loaded kernel image to the PoC and disabling the MMU and
caches before branching to the kernel bare metal entry point, leave
the MMU and caches enabled and rely on EFI's cacheable 1:1 mapping of
all of system RAM to populate the initial page tables
- Expose the AArch32 (compat) ELF_HWCAP features to user in an arm64
kernel (the arm32 kernel only defines the values)
- Harden the arm64 shadow call stack pointer handling: stash the shadow
stack pointer in the task struct on interrupt, load it directly from
this structure
- Signal handling cleanups to remove redundant validation of size
information and avoid reading the same data from userspace twice
- Refactor the hwcap macros to make use of the automatically generated
ID registers. It should make new hwcaps writing less error prone
- Further arm64 sysreg conversion and some fixes
- arm64 kselftest fixes and improvements
- Pointer authentication cleanups: don't sign leaf functions, unify
asm-arch manipulation
- Pseudo-NMI code generation optimisations
- Minor fixes for SME and TPIDR2 handling
- Miscellaneous updates: ARCH_FORCE_MAX_ORDER is now selectable,
replace strtobool() to kstrtobool() in the cpufeature.c code, apply
dynamic shadow call stack in two passes, intercept pfn changes in
set_pte_at() without the required break-before-make sequence, attempt
to dump all instructions on unhandled kernel faults
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (130 commits)
arm64: fix .idmap.text assertion for large kernels
kselftest/arm64: Don't require FA64 for streaming SVE+ZA tests
kselftest/arm64: Copy whole EXTRA context
arm64: kprobes: Drop ID map text from kprobes blacklist
perf: arm_spe: Print the version of SPE detected
perf: arm_spe: Add support for SPEv1.2 inverted event filtering
perf: Add perf_event_attr::config3
arm64/sme: Fix __finalise_el2 SMEver check
drivers/perf: fsl_imx8_ddr_perf: Remove set-but-not-used variable
arm64/signal: Only read new data when parsing the ZT context
arm64/signal: Only read new data when parsing the ZA context
arm64/signal: Only read new data when parsing the SVE context
arm64/signal: Avoid rereading context frame sizes
arm64/signal: Make interface for restore_fpsimd_context() consistent
arm64/signal: Remove redundant size validation from parse_user_sigframe()
arm64/signal: Don't redundantly verify FPSIMD magic
arm64/cpufeature: Use helper macros to specify hwcaps
arm64/cpufeature: Always use symbolic name for feature value in hwcaps
arm64/sysreg: Initial unsigned annotations for ID registers
arm64/sysreg: Initial annotation of signed ID registers
...
- Drop port I/O validation for some regions to avoid AML failures due
to rejections of legitimate port I/O writes (Mario Limonciello).
- Constify acpi_get_handle() pathname argument to allow its callers to
pass const pathnames to it (Sakari Ailus).
- Prevent acpi_ns_simple_repair() from crashing in some cases when
AE_AML_NO_RETURN_VALUE should be returned (Daniil Tatianin).
- Fix typo in CDAT DSMAS struct definition (Lukas Wunner).
- Drop an unnecessary (void *) conversion from the ACPI processor
driver (Zhou jie).
- Modify the ACPI processor performance library code to use the "no
limit" frequency QoS as appropriate and adjust the intel_pstate
driver accordingly (Rafael Wysocki).
- Add support for NBFT to the ACPI table parser (Stuart Hayes).
- Introduce list of known non-PNP devices to avoid enumerating some of
them as PNP devices (Rafael Wysocki).
- Add x86 ACPI paths to the ACPI entry in MAINTAINERS to allow scripts
to report the actual maintainers information (Rafael Wysocki).
- Add two more entries to the ACPI IRQ override quirk list (Adam
Niederer, Werner Sembach).
- Add a pmic_i2c_address entry for Intel Bay Trail Crystal Cove to
allow intel_soc_pmic_exec_mipi_pmic_seq_element() to be used with
the Bay Trail Crystal Cove PMIC OpRegion driver (Hans de Goede).
- Add comments with DSDT power OpRegion field names to the ACPI PMIC
driver (Hans de Goede).
- Fix string termination handling in the ACPI battery driver (Armin
Wolf).
- Limit error type to 32-bit width in the ACPI APEI error injection
code (Shuai Xue).
- Fix Lenovo Ideapad Z570 DMI match in the ACPI backlight driver (Hans
de Goede).
- Silence missing prototype warnings in some places in the ACPI-related
code (Ammar Faizi).
- Make kobj_type structures used in the ACPI code constant (Thomas
Weißschuh).
- Correct spelling in firmware-guide/ACPI (Randy Dunlap).
- Clarify the meaning of Explicit and Implicit in the _DSD GPIO
properties documentation (Andy Shevchenko).
- Fix some kernel-doc comments in the ACPI CPPC library code (Yang Li).
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Merge tag 'acpi-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These fix a frequency limit issue in the ACPI processor performance
library code, fix a few issues in the ACPICA code, improve Crystal
Cove support in the ACPI PMIC driver, fix string handling in the ACPI
battery driver, add IRQ override quirks for a few machines more, fix
other assorted problems and clean up code and documentation.
Specifics:
- Drop port I/O validation for some regions to avoid AML failures due
to rejections of legitimate port I/O writes (Mario Limonciello)
- Constify acpi_get_handle() pathname argument to allow its callers
to pass const pathnames to it (Sakari Ailus)
- Prevent acpi_ns_simple_repair() from crashing in some cases when
AE_AML_NO_RETURN_VALUE should be returned (Daniil Tatianin)
- Fix typo in CDAT DSMAS struct definition (Lukas Wunner)
- Drop an unnecessary (void *) conversion from the ACPI processor
driver (Zhou jie)
- Modify the ACPI processor performance library code to use the "no
limit" frequency QoS as appropriate and adjust the intel_pstate
driver accordingly (Rafael Wysocki)
- Add support for NBFT to the ACPI table parser (Stuart Hayes)
- Introduce list of known non-PNP devices to avoid enumerating some
of them as PNP devices (Rafael Wysocki)
- Add x86 ACPI paths to the ACPI entry in MAINTAINERS to allow
scripts to report the actual maintainers information (Rafael
Wysocki)
- Add two more entries to the ACPI IRQ override quirk list (Adam
Niederer, Werner Sembach)
- Add a pmic_i2c_address entry for Intel Bay Trail Crystal Cove to
allow intel_soc_pmic_exec_mipi_pmic_seq_element() to be used with
the Bay Trail Crystal Cove PMIC OpRegion driver (Hans de Goede)
- Add comments with DSDT power OpRegion field names to the ACPI PMIC
driver (Hans de Goede)
- Fix string termination handling in the ACPI battery driver (Armin
Wolf)
- Limit error type to 32-bit width in the ACPI APEI error injection
code (Shuai Xue)
- Fix Lenovo Ideapad Z570 DMI match in the ACPI backlight driver
(Hans de Goede)
- Silence missing prototype warnings in some places in the
ACPI-related code (Ammar Faizi)
- Make kobj_type structures used in the ACPI code constant (Thomas
Weißschuh)
- Correct spelling in firmware-guide/ACPI (Randy Dunlap)
- Clarify the meaning of Explicit and Implicit in the _DSD GPIO
properties documentation (Andy Shevchenko)
- Fix some kernel-doc comments in the ACPI CPPC library code (Yang
Li)"
* tag 'acpi-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (25 commits)
ACPI: make kobj_type structures constant
Documentation: firmware-guide: gpio-properties: Clarify Explicit and Implicit
ACPICA: Fix typo in CDAT DSMAS struct definition
ACPI: resource: Do IRQ override on all TongFang GMxRGxx
ACPI: resource: Add IRQ overrides for MAINGEAR Vector Pro 2 models
ACPI: CPPC: Fix some kernel-doc comments
ACPI: video: Fix Lenovo Ideapad Z570 DMI match
Documentation: firmware-guide/ACPI: correct spelling
ACPI: PMIC: Add comments with DSDT power opregion field names
ACPI: battery: Increase maximum string length
ACPI: battery: Fix buffer overread if not NUL-terminated
ACPI: APEI: EINJ: Limit error type to 32-bit width
MAINTAINERS: Add x86 ACPI paths to the ACPI entry
ACPI: battery: Fix missing NUL-termination with large strings
ACPI: PNP: Introduce list of known non-PNP devices
ACPICA: nsrepair: handle cases without a return value correctly
ACPI: Silence missing prototype warnings
cpufreq: intel_pstate: Drop ACPI _PSS states table patching
ACPI: processor: perflib: Avoid updating frequency QoS unnecessarily
ACPI: processor: perflib: Use the "no limit" frequency QoS
...
- Add EPP support to the AMD P-state cpufreq driver (Perry Yuan, Wyes
Karny, Arnd Bergmann, Bagas Sanjaya).
- Drop the custom cpufreq driver for loongson1 that is not necessary
any more and the corresponding cpufreq platform device (Keguang
Zhang).
- Remove "select SRCU" from system sleep, cpufreq and OPP Kconfig
entries (Paul E. McKenney).
- Enable thermal cooling for Tegra194 (Yi-Wei Wang).
- Register module device table and add missing compatibles for
cpufreq-qcom-hw (Nícolas F. R. A. Prado, Abel Vesa and Luca Weiss).
- Various dt binding updates for qcom-cpufreq-nvmem and opp-v2-kryo-cpu
(Christian Marangi).
- Make kobj_type structure in the cpufreq core constant (Thomas
Weißschuh).
- Make cpufreq_unregister_driver() return void (Uwe Kleine-König).
- Make the TEO cpuidle governor check CPU utilization in order to refine
idle state selection (Kajetan Puchalski).
- Make Kconfig select the haltpoll cpuidle governor when the haltpoll
cpuidle driver is selected and replace a default_idle() call in that
driver with arch_cpu_idle() to allow MWAIT to be used (Li RongQing).
- Add Emerald Rapids Xeon support to the intel_idle driver (Artem
Bityutskiy).
- Add ARCH_SUSPEND_POSSIBLE dependencies for ARMv4 cpuidle drivers to
avoid randconfig build failures (Arnd Bergmann).
- Make kobj_type structures used in the cpuidle sysfs interface
constant (Thomas Weißschuh).
- Make the cpuidle driver registration code update microsecond values
of idle state parameters in accordance with their nanosecond values
if they are provided (Rafael Wysocki).
- Make the PSCI cpuidle driver prevent topology CPUs from being
suspended on PREEMPT_RT (Krzysztof Kozlowski).
- Document that pm_runtime_force_suspend() cannot be used with
DPM_FLAG_SMART_SUSPEND (Richard Fitzgerald).
- Add EXPORT macros for exporting PM functions from drivers (Richard
Fitzgerald).
- Remove /** from non-kernel-doc comments in hibernation code (Randy
Dunlap).
- Fix possible name leak in powercap_register_zone() (Yang Yingliang).
- Add Meteor Lake and Emerald Rapids support to the intel_rapl power
capping driver (Zhang Rui).
- Modify the idle_inject power capping facility to support 100% idle
injection (Srinivas Pandruvada).
- Fix large time windows handling in the intel_rapl power capping
driver (Zhang Rui).
- Fix memory leaks with using debugfs_lookup() in the generic PM
domains and Energy Model code (Greg Kroah-Hartman).
- Add missing 'cache-unified' property in the example for kryo OPP
bindings (Rob Herring).
- Fix error checking in opp_migrate_dentry() (Qi Zheng).
- Let qcom,opp-fuse-level be a 2-long array for qcom SoCs (Konrad
Dybcio).
- Modify some power management utilities to use the canonical ftrace
path (Ross Zwisler).
- Correct spelling problems for Documentation/power/ as reported by
codespell (Randy Dunlap).
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Merge tag 'pm-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add EPP support to the AMD P-state cpufreq driver, add support
for new platforms to the Intel RAPL power capping driver, intel_idle
and the Qualcomm cpufreq driver, enable thermal cooling for Tegra194,
drop the custom cpufreq driver for loongson1 that is not necessary any
more (and the corresponding cpufreq platform device), fix assorted
issues and clean up code.
Specifics:
- Add EPP support to the AMD P-state cpufreq driver (Perry Yuan, Wyes
Karny, Arnd Bergmann, Bagas Sanjaya)
- Drop the custom cpufreq driver for loongson1 that is not necessary
any more and the corresponding cpufreq platform device (Keguang
Zhang)
- Remove "select SRCU" from system sleep, cpufreq and OPP Kconfig
entries (Paul E. McKenney)
- Enable thermal cooling for Tegra194 (Yi-Wei Wang)
- Register module device table and add missing compatibles for
cpufreq-qcom-hw (Nícolas F. R. A. Prado, Abel Vesa and Luca Weiss)
- Various dt binding updates for qcom-cpufreq-nvmem and
opp-v2-kryo-cpu (Christian Marangi)
- Make kobj_type structure in the cpufreq core constant (Thomas
Weißschuh)
- Make cpufreq_unregister_driver() return void (Uwe Kleine-König)
- Make the TEO cpuidle governor check CPU utilization in order to
refine idle state selection (Kajetan Puchalski)
- Make Kconfig select the haltpoll cpuidle governor when the haltpoll
cpuidle driver is selected and replace a default_idle() call in
that driver with arch_cpu_idle() to allow MWAIT to be used (Li
RongQing)
- Add Emerald Rapids Xeon support to the intel_idle driver (Artem
Bityutskiy)
- Add ARCH_SUSPEND_POSSIBLE dependencies for ARMv4 cpuidle drivers to
avoid randconfig build failures (Arnd Bergmann)
- Make kobj_type structures used in the cpuidle sysfs interface
constant (Thomas Weißschuh)
- Make the cpuidle driver registration code update microsecond values
of idle state parameters in accordance with their nanosecond values
if they are provided (Rafael Wysocki)
- Make the PSCI cpuidle driver prevent topology CPUs from being
suspended on PREEMPT_RT (Krzysztof Kozlowski)
- Document that pm_runtime_force_suspend() cannot be used with
DPM_FLAG_SMART_SUSPEND (Richard Fitzgerald)
- Add EXPORT macros for exporting PM functions from drivers (Richard
Fitzgerald)
- Remove /** from non-kernel-doc comments in hibernation code (Randy
Dunlap)
- Fix possible name leak in powercap_register_zone() (Yang Yingliang)
- Add Meteor Lake and Emerald Rapids support to the intel_rapl power
capping driver (Zhang Rui)
- Modify the idle_inject power capping facility to support 100% idle
injection (Srinivas Pandruvada)
- Fix large time windows handling in the intel_rapl power capping
driver (Zhang Rui)
- Fix memory leaks with using debugfs_lookup() in the generic PM
domains and Energy Model code (Greg Kroah-Hartman)
- Add missing 'cache-unified' property in the example for kryo OPP
bindings (Rob Herring)
- Fix error checking in opp_migrate_dentry() (Qi Zheng)
- Let qcom,opp-fuse-level be a 2-long array for qcom SoCs (Konrad
Dybcio)
- Modify some power management utilities to use the canonical ftrace
path (Ross Zwisler)
- Correct spelling problems for Documentation/power/ as reported by
codespell (Randy Dunlap)"
* tag 'pm-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (53 commits)
Documentation: amd-pstate: disambiguate user space sections
cpufreq: amd-pstate: Fix invalid write to MSR_AMD_CPPC_REQ
dt-bindings: opp: opp-v2-kryo-cpu: enlarge opp-supported-hw maximum
dt-bindings: cpufreq: qcom-cpufreq-nvmem: make cpr bindings optional
dt-bindings: cpufreq: qcom-cpufreq-nvmem: specify supported opp tables
PM: Add EXPORT macros for exporting PM functions
cpuidle: psci: Do not suspend topology CPUs on PREEMPT_RT
MIPS: loongson32: Drop obsolete cpufreq platform device
powercap: intel_rapl: Fix handling for large time window
cpuidle: driver: Update microsecond values of state parameters as needed
cpuidle: sysfs: make kobj_type structures constant
cpuidle: add ARCH_SUSPEND_POSSIBLE dependencies
PM: EM: fix memory leak with using debugfs_lookup()
PM: domains: fix memory leak with using debugfs_lookup()
cpufreq: Make kobj_type structure constant
cpufreq: davinci: Fix clk use after free
cpufreq: amd-pstate: avoid uninitialized variable use
cpufreq: Make cpufreq_unregister_driver() return void
OPP: fix error checking in opp_migrate_dentry()
dt-bindings: cpufreq: cpufreq-qcom-hw: Add SM8550 compatible
...
- Improve the scalability of the CFS bandwidth unthrottling logic
with large number of CPUs.
- Fix & rework various cpuidle routines, simplify interaction with
the generic scheduler code. Add __cpuidle methods as noinstr to
objtool's noinstr detection and fix boatloads of cpuidle bugs & quirks.
- Add new ABI: introduce MEMBARRIER_CMD_GET_REGISTRATIONS,
to query previously issued registrations.
- Limit scheduler slice duration to the sysctl_sched_latency period,
to improve scheduling granularity with a large number of SCHED_IDLE
tasks.
- Debuggability enhancement on sys_exit(): warn about disabled IRQs,
but also enable them to prevent a cascade of followup problems and
repeat warnings.
- Fix the rescheduling logic in prio_changed_dl().
- Micro-optimize cpufreq and sched-util methods.
- Micro-optimize ttwu_runnable()
- Micro-optimize the idle-scanning in update_numa_stats(),
select_idle_capacity() and steal_cookie_task().
- Update the RSEQ code & self-tests
- Constify various scheduler methods
- Remove unused methods
- Refine __init tags
- Documentation updates
- ... Misc other cleanups, fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
- Improve the scalability of the CFS bandwidth unthrottling logic with
large number of CPUs.
- Fix & rework various cpuidle routines, simplify interaction with the
generic scheduler code. Add __cpuidle methods as noinstr to objtool's
noinstr detection and fix boatloads of cpuidle bugs & quirks.
- Add new ABI: introduce MEMBARRIER_CMD_GET_REGISTRATIONS, to query
previously issued registrations.
- Limit scheduler slice duration to the sysctl_sched_latency period, to
improve scheduling granularity with a large number of SCHED_IDLE
tasks.
- Debuggability enhancement on sys_exit(): warn about disabled IRQs,
but also enable them to prevent a cascade of followup problems and
repeat warnings.
- Fix the rescheduling logic in prio_changed_dl().
- Micro-optimize cpufreq and sched-util methods.
- Micro-optimize ttwu_runnable()
- Micro-optimize the idle-scanning in update_numa_stats(),
select_idle_capacity() and steal_cookie_task().
- Update the RSEQ code & self-tests
- Constify various scheduler methods
- Remove unused methods
- Refine __init tags
- Documentation updates
- Misc other cleanups, fixes
* tag 'sched-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (110 commits)
sched/rt: pick_next_rt_entity(): check list_entry
sched/deadline: Add more reschedule cases to prio_changed_dl()
sched/fair: sanitize vruntime of entity being placed
sched/fair: Remove capacity inversion detection
sched/fair: unlink misfit task from cpu overutilized
objtool: mem*() are not uaccess safe
cpuidle: Fix poll_idle() noinstr annotation
sched/clock: Make local_clock() noinstr
sched/clock/x86: Mark sched_clock() noinstr
x86/pvclock: Improve atomic update of last_value in pvclock_clocksource_read()
x86/atomics: Always inline arch_atomic64*()
cpuidle: tracing, preempt: Squash _rcuidle tracing
cpuidle: tracing: Warn about !rcu_is_watching()
cpuidle: lib/bug: Disable rcu_is_watching() during WARN/BUG
cpuidle: drivers: firmware: psci: Dont instrument suspend code
KVM: selftests: Fix build of rseq test
exit: Detect and fix irq disabled state in oops
cpuidle, arm64: Fix the ARM64 cpuidle logic
cpuidle: mvebu: Fix duplicate flags assignment
sched/fair: Limit sched slice duration
...
Merge ACPI backlight driver changes, miscellaneous ACPI-related changes
and ACPI-related documentation updates for 6.3-rc1:
- Fix Lenovo Ideapad Z570 DMI match in the ACPI backlight driver (Hans
de Goede).
- Silence missing prototype warnings in some places in the ACPI-related
code (Ammar Faizi).
- Make kobj_type structures used in the ACPI code constant (Thomas
Weißschuh).
- Correct spelling in firmware-guide/ACPI (Randy Dunlap).
- Clarify the meaning of Explicit and Implicit in the _DSD GPIO
properties documentation (Andy Shevchenko).
* acpi-video:
ACPI: video: Fix Lenovo Ideapad Z570 DMI match
* acpi-misc:
ACPI: make kobj_type structures constant
ACPI: Silence missing prototype warnings
* acpi-docs:
Documentation: firmware-guide: gpio-properties: Clarify Explicit and Implicit
Documentation: firmware-guide/ACPI: correct spelling
Merge ACPI resources handling changes, ACPI PMIC and battery drivers
changes and ACPI APEI changes for 6.3-rc1:
- Add two more entries to the ACPI IRQ override quirk list (Adam
Niederer, Werner Sembach).
- Add a pmic_i2c_address entry for Intel Bay Trail Crystal Cove to
allow intel_soc_pmic_exec_mipi_pmic_seq_element() to be used with
the Bay Trail Crystal Cove PMIC OpRegion driver (Hans de Goede).
- Add comments with DSDT power OpRegion field names to the ACPI PMIC
driver (Hans de Goede).
- Fix string termination handling in the ACPI battery driver (Armin
Wolf).
- Limit error type to 32-bit width in the ACPI APEI error injection
code (Shuai Xue).
* acpi-resource:
ACPI: resource: Do IRQ override on all TongFang GMxRGxx
ACPI: resource: Add IRQ overrides for MAINGEAR Vector Pro 2 models
* acpi-pmic:
ACPI: PMIC: Add comments with DSDT power opregion field names
ACPI: PMIC: Add pmic_i2c_address to BYT Crystal Cove support
* acpi-battery:
ACPI: battery: Increase maximum string length
ACPI: battery: Fix buffer overread if not NUL-terminated
ACPI: battery: Fix missing NUL-termination with large strings
* acpi-apei:
ACPI: APEI: EINJ: Limit error type to 32-bit width
Merge ACPI processor driver changes, ACPI table parser changes, ACPI
device enumeration changes related to PNP and a MAINTAINERS update
related to ACPI for 6.3-rc1:
- Drop an unnecessary (void *) conversion from the ACPI processor
driver (Zhou jie).
- Modify the ACPI processor performance library code to use the "no
limit" frequency QoS as appropriate and adjust the intel_pstate
driver accordingly (Rafael Wysocki).
- Add support for NBFT to the ACPI table parser (Stuart Hayes).
- Introduce list of known non-PNP devices to avoid enumerating some of
them as PNP devices (Rafael Wysocki).
- Add x86 ACPI paths to the ACPI entry in MAINTAINERS to allow scripts
to report the actual maintainers information (Rafael Wysocki).
* acpi-processor:
cpufreq: intel_pstate: Drop ACPI _PSS states table patching
ACPI: processor: perflib: Avoid updating frequency QoS unnecessarily
ACPI: processor: perflib: Use the "no limit" frequency QoS
ACPI: processor: idle: Drop unnecessary (void *) conversion
* acpi-tables:
ACPI: tables: Add support for NBFT
* acpi-pnp:
ACPI: PNP: Introduce list of known non-PNP devices
* acpi-maintainers:
MAINTAINERS: Add x86 ACPI paths to the ACPI entry
Merge ACPICA changes for 6.3-rc1:
- Drop port I/O validation for some regions to avoid AML failures due
to rejections of legitimate port I/O writes (Mario Limonciello).
- Constify acpi_get_handle() pathname argument to allow its callers to
pass conts pathnames to it (Sakari Ailus).
- Prevent acpi_ns_simple_repair() from crashing in some cases when
AE_AML_NO_RETURN_VALUE should be returned (Daniil Tatianin).
- Fix typo in CDAT DSMAS struct definition (Lukas Wunner).
* acpica:
ACPICA: Fix typo in CDAT DSMAS struct definition
ACPICA: nsrepair: handle cases without a return value correctly
ACPICA: Constify pathname argument for acpi_get_handle()
ACPICA: Drop port I/O validation for some regions
Since commit ee6d3dd4ed ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.
Take advantage of this to constify the structure definitions to prevent
modification at runtime.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Apply commit 7592b79ba4 ("ACPI: resource: do IRQ override on XMG Core 15")
override for all vendors using this mainboard.
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Fixes: 9946e39fe8 ("ACPI: resource: skip IRQ override on AMD Zen platforms")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Fix a regression introduced by commit 9946e39fe8 ("ACPI: resource: skip
IRQ override on AMD Zen platforms") on MAINGEAR Vector Pro 2 systems, which
causes the built-in keyboard to not work. This restores the functionality
by adding an IRQ override.
No other IRQs were being overridden before, so this should be all that is
needed for these systems. I have personally tested this on the 15" model
(MG-VCP2-15A3070T), and I have confirmation that the issue is present on
the 17" model (MG-VCP2-17A3070T).
Fixes: 9946e39fe8 ("ACPI: resource: skip IRQ override on AMD Zen platforms")
Signed-off-by: Adam Niederer <adam.niederer@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Resolve the conflict between KMSAN and NVDIMM with respect to
reserving pmem namespace / volume capacity for larger
sizeof(struct page)
- Fix a lockdep warning in the the NFIT code
- Fix a kernel-doc build warning
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Merge tag 'libnvdimm-fixes-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"A fix for an issue that could causes users to inadvertantly reserve
too much capacity when debugging the KMSAN and persistent memory
namespace, a lockdep fix, and a kernel-doc build warning:
- Resolve the conflict between KMSAN and NVDIMM with respect to
reserving pmem namespace / volume capacity for larger sizeof(struct
page)
- Fix a lockdep warning in the the NFIT code
- Fix a kernel-doc build warning"
* tag 'libnvdimm-fixes-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nvdimm: Support sizeof(struct page) > MAX_STRUCT_PAGE_SIZE
ACPI: NFIT: fix a potential deadlock during NFIT teardown
dax: super.c: fix kernel-doc bad line warning
Include the support for enumerating and provisioning ram regions for
v6.3. This also include a default policy change for ram / volatile
device-dax instances to assign them to the dax_kmem driver by default.
In preparation for the CXL region driver to take over the responsibility
of registering device-dax instances for CXL regions, move the
registration of "hmem" devices to dax_hmem.ko.
Previously the builtin component of this enabling
(drivers/dax/hmem/device.o) would register platform devices for each
address range and trigger the dax_hmem.ko module to load and attach
device-dax instances to those devices. Now, the ranges are collected
from the HMAT and EFI memory map walking, but the device creation is
deferred. A new "hmem_platform" device is created which triggers
dax_hmem.ko to load and register the platform devices.
Tested-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/167602002771.1924368.5653558226424530127.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
In preparation for moving more filtering of "hmem" ranges into the
dax_hmem.ko module, update the initcall levels. HMAT range registration
moves to subsys_initcall() to be done before Soft Reservation probing,
and Soft Reservation probing is moved to device_initcall() to be done
before dax_hmem.ko initialization if it is built-in.
Tested-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/167602001107.1924368.11562316181038595611.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Replace direct modifications to vma->vm_flags with calls to modifier
functions to be able to track flag changes and to keep vma locking
correctness.
[akpm@linux-foundation.org: fix drivers/misc/open-dice.c, per Hyeonggon Yoo]
Link: https://lkml.kernel.org/r/20230126193752.297968-5-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Reviewed-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arjun Roy <arjunroy@google.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: David Rientjes <rientjes@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jann Horn <jannh@google.com>
Cc: Joel Fernandes <joelaf@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Laurent Dufour <ldufour@linux.ibm.com>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Minchan Kim <minchan@google.com>
Cc: Paul E. McKenney <paulmck@kernel.org>
Cc: Peter Oskolkov <posk@google.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Punit Agrawal <punit.agrawal@bytedance.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Add the description of @pcc_ss_id in pcc_data_alloc().
Add the description of @cpu_num in cppc_get_transition_latency().
clear the below warnings:
drivers/acpi/cppc_acpi.c:607: warning: Function parameter or member 'pcc_ss_id' not described in 'pcc_data_alloc'
drivers/acpi/cppc_acpi.c:1616: warning: Function parameter or member 'cpu_num' not described in 'cppc_get_transition_latency'
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3983
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
[ rjw: Dropped redundant empty code lines, minor edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Merge the general CXL updates with fixes targeting v6.2-rc for v6.3.
Resolve a conflict with the fix and move of cxl_report_and_clear() from
pci.c to core/pci.c.
Multiple Ideapad Z570 variants need acpi_backlight=native to force native
use on these pre Windows 8 machines since acpi_video backlight control
does not work here.
The original DMI quirk matches on a product_name of "102434U" but other
variants may have different product_name-s such as e.g. "1024D9U".
Move to checking product_version instead as is more or less standard for
Lenovo DMI quirks for similar reasons.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add support for setting and querying EPP preferences to the generic
CPPC driver. This enables downstream drivers such as amd-pstate to discover
and use these values.
Downstream drivers that want to use the new symbols cppc_get_epp_caps
and cppc_set_epp_perf for querying and setting EPP preferences will need
to call cppc_set_epp_perf to enable the EPP function firstly.
Acked-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Wyes Karny <wyes.karny@amd.com>
Tested-by: Wyes Karny <wyes.karny@amd.com>
Signed-off-by: Perry Yuan <Perry.Yuan@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Merge tag 'v6.2-rc6' into sched/core, to pick up fixes
Pick up fixes before merging another batch of cpuidle updates.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The DSDTs of CHT devices using the Dollar Cove TI PMIC, all use
LDO1 - LDO14 names for the DSDT power opregion field names.
Add comments with these fields to make it easier to see which PMIC
registers are being set by ACPI code using these.
Note that LDO4 is missing and the mapped registers jump from 0x43
to 0x45 to match. This matches with how the fields are declared
in the DSDT where LDO4 is skipped too. Note there is no hole in
the field addresses, LDO4 is simply just not defined on either side.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
On the Dell Inspiron 3505, the battery model name
is represented as a hex string containing seven numbers,
causing it to be larger than the current maximum string
length (32).
Increase this length to 64 to avoid truncating the string
in such cases. Also introduce a common define for the length.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
If a buffer containing ASCII characters is not NUL-terminated
(which is perfectly legal according to the ACPI specification),
the ACPI battery driver might not honor its length.
Fix this by limiting the amount of data to be copied to
the buffer length while also using strscpy() to make sure
that the resulting string is always NUL-terminated.
Also replace strncpy() vs strscpy().
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The bit map of error types to inject is 32-bit width [1].
Add parameter check to reflect the fact.
[1] ACPI Specification 6.4, Section 18.6.4. Error Types
Signed-off-by: Shuai Xue <xueshuai@linux.alibaba.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
16 will support it
- Fix a NULL ptr deref when suspending with Xen PV
- Have a SEV-SNP guest check explicitly for features enabled by the hypervisor
and fail gracefully if some are unsupported by the guest instead of failing in
a non-obvious and hard-to-debug way
- Fix a MSI descriptor leakage under Xen
- Mark Xen's MSI domain as supporting MSI-X
- Prevent legacy PIC interrupts from being resent in software by marking them
level triggered, as they should be, which lead to a NULL ptr deref
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Merge tag 'x86_urgent_for_v6.2_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Start checking for -mindirect-branch-cs-prefix clang support too now
that LLVM 16 will support it
- Fix a NULL ptr deref when suspending with Xen PV
- Have a SEV-SNP guest check explicitly for features enabled by the
hypervisor and fail gracefully if some are unsupported by the guest
instead of failing in a non-obvious and hard-to-debug way
- Fix a MSI descriptor leakage under Xen
- Mark Xen's MSI domain as supporting MSI-X
- Prevent legacy PIC interrupts from being resent in software by
marking them level triggered, as they should be, which lead to a NULL
ptr deref
* tag 'x86_urgent_for_v6.2_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/build: Move '-mindirect-branch-cs-prefix' out of GCC-only block
acpi: Fix suspend with Xen PV
x86/sev: Add SEV-SNP guest feature negotiation support
x86/pci/xen: Fixup fallout from the PCI/MSI overhaul
x86/pci/xen: Set MSI_FLAG_PCI_MSIX support in Xen MSI domain
x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL
The uevent() callback in struct bus_type should not be modifying the
device that is passed into it, so mark it as a const * and propagate the
function signature changes out into all relevant subsystems that use
this callback.
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230111113018.459199-16-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The uevent() callback in struct device_type should not be modifying the
device that is passed into it, so mark it as a const * and propagate the
function signature changes out into all relevant subsystems that use
this callback.
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Bard Liao <yung-chuan.liao@linux.intel.com>
Cc: Chaitanya Kulkarni <kch@nvidia.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jilin Yuan <yuanjilin@cdjrlc.com>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Mark Gross <markgross@kernel.org>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Maximilian Luz <luzmaximilian@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: Sanyog Kale <sanyog.r.kale@intel.com>
Cc: Sean Young <sean@mess.org>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Won Chung <wonchung@google.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> # for Thunderbolt
Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Wolfram Sang <wsa@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230111113018.459199-6-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Lockdep reports that acpi_nfit_shutdown() may deadlock against an
opportune acpi_nfit_scrub(). acpi_nfit_scrub () is run from inside a
'work' and therefore has already acquired workqueue-internal locks. It
also acquiires acpi_desc->init_mutex. acpi_nfit_shutdown() first
acquires init_mutex, and was subsequently attempting to cancel any
pending workqueue items. This reversed locking order causes a potential
deadlock:
======================================================
WARNING: possible circular locking dependency detected
6.2.0-rc3 #116 Tainted: G O N
------------------------------------------------------
libndctl/1958 is trying to acquire lock:
ffff888129b461c0 ((work_completion)(&(&acpi_desc->dwork)->work)){+.+.}-{0:0}, at: __flush_work+0x43/0x450
but task is already holding lock:
ffff888129b460e8 (&acpi_desc->init_mutex){+.+.}-{3:3}, at: acpi_nfit_shutdown+0x87/0xd0 [nfit]
which lock already depends on the new lock.
...
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&acpi_desc->init_mutex);
lock((work_completion)(&(&acpi_desc->dwork)->work));
lock(&acpi_desc->init_mutex);
lock((work_completion)(&(&acpi_desc->dwork)->work));
*** DEADLOCK ***
Since the workqueue manipulation is protected by its own internal locking,
the cancellation of pending work doesn't need to be done under
acpi_desc->init_mutex. Move cancel_delayed_work_sync() outside the
init_mutex to fix the deadlock. Any work that starts after
acpi_nfit_shutdown() drops the lock will see ARS_CANCEL, and the
cancel_delayed_work_sync() will safely flush it out.
Reported-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Link: https://lore.kernel.org/r/20230112-acpi_nfit_lockdep-v1-1-660be4dd10be@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
The ACPICA code has been built with '-Os' since the beginning of git
history, though there's no explanatory comment as to why.
This is unfortunate as GCC drops the alignment specificed by
'-falign-functions=N' when '-Os' is used, as reported in GCC bug 88345:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88345
This prevents CONFIG_FUNCTION_ALIGNMENT and
CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_64B from having their expected effect
on the ACPICA code. This is doubly unfortunate as in subsequent patches
arm64 will depend upon CONFIG_FUNCTION_ALIGNMENT for its ftrace
implementation.
Drop the '-Os' flag when building the ACPICA code. With this removed,
the code builds cleanly and works correctly in testing so far.
I've tested this by selecting CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_64B=y,
building and booting a kernel using ACPI, and looking for misaligned
text symbols:
* arm64:
Before, v6.2-rc3:
# uname -rm
6.2.0-rc3 aarch64
# grep ' [Tt] ' /proc/kallsyms | grep -iv '[048c]0 [Tt] ' | wc -l
5009
Before, v6.2-rc3 + fixed __cold:
# uname -rm
6.2.0-rc3-00001-g2a2bedf8bfa9 aarch64
# grep ' [Tt] ' /proc/kallsyms | grep -iv '[048c]0 [Tt] ' | wc -l
919
After:
# uname -rm
6.2.0-rc3-00002-g267bddc38572 aarch64
# grep ' [Tt] ' /proc/kallsyms | grep -iv '[048c]0 [Tt] ' | wc -l
323
# grep ' [Tt] ' /proc/kallsyms | grep -iv '[048c]0 [Tt] ' | grep acpi | wc -l
0
* x86_64:
Before, v6.2-rc3:
# uname -rm
6.2.0-rc3 x86_64
# grep ' [Tt] ' /proc/kallsyms | grep -iv '[048c]0 [Tt] ' | wc -l
11537
Before, v6.2-rc3 + fixed __cold:
# uname -rm
6.2.0-rc3-00001-g2a2bedf8bfa9 x86_64
# grep ' [Tt] ' /proc/kallsyms | grep -iv '[048c]0 [Tt] ' | wc -l
2805
After:
# uname -rm
6.2.0-rc3-00002-g267bddc38572 x86_64
# grep ' [Tt] ' /proc/kallsyms | grep -iv '[048c]0 [Tt] ' | wc -l
1357
# grep ' [Tt] ' /proc/kallsyms | grep -iv '[048c]0 [Tt] ' | grep acpi | wc -l
0
With the patch applied, the remaining unaligned text labels are a
combination of static call trampolines and labels in assembly, which can
be dealt with in subsequent patches.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Moore <robert.moore@intel.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Will Deacon <will@kernel.org>
Cc: linux-acpi@vger.kernel.org
Link: https://lore.kernel.org/r/20230123134603.1064407-4-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
The Asus U46E backlight tables have a set of interesting problems:
1. Its ACPI tables do make _OSI ("Windows 2012") checks, so
acpi_osi_is_win8() should return true.
But the tables have 2 sets of _OSI calls, one from the usual global
_INI method setting a global OSYS variable and a second set of _OSI
calls from a MSOS method and the MSOS method is the only one calling
_OSI ("Windows 2012").
The MSOS method only gets called in the following cases:
1. From some Asus specific WMI methods
2. From _DOD, which only runs after acpi_video_get_backlight_type()
has already been called by the i915 driver
3. From other ACPI video bus methods which never run (see below)
4. From some EC query callbacks
So when i915 calls acpi_video_get_backlight_type() MSOS has never run
and acpi_osi_is_win8() returns false, so acpi_video_get_backlight_type()
returns acpi_video as the desired backlight type, which causes
the intel_backlight device to not register.
2. _DOD effectively does this:
Return (Package (0x01)
{
0x0400
})
causing acpi_video_device_in_dod() to return false, which causes
the acpi_video backlight device to not register.
Leaving the user with no backlight device at all. Note that before 6.1.y
the i915 driver would register the intel_backlight device unconditionally
and since that then was the only backlight device userspace would use that.
Add a backlight=native DMI quirk for this special laptop to restore
the old (and working) behavior of the intel_backlight device registering.
Fixes: fb1836c913 ("ACPI: video: Prefer native over vendor")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The HP EliteBook 8460p predates Windows 8, so it defaults to using
acpi_video# for backlight control.
Starting with the 6.1.y kernels the native radeon_bl0 backlight is hidden
in this case instead of relying on userspace preferring acpi_video# over
native backlight devices.
It turns out that for the acpi_video# interface to work on
the HP EliteBook 8460p, the brightness needs to be set at least once
through the native interface, which now no longer is done breaking
backlight control.
The native interface however always works without problems, so add
a quirk to use native backlight on the EliteBook 8460p to fix this.
Fixes: fb1836c913 ("ACPI: video: Prefer native over vendor")
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2161428
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The HP Pavilion g6-1d80nr predates Windows 8, so it defaults to using
acpi_video# for backlight control, but this is non functional on
this model.
Add a DMI quirk to use the native backlight interface which does
work properly.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Andy Shevchenko