- Update some thermal drivers to eliminate thermal_zone_get_trip()
calls from them and get rid of that function (Rafael Wysocki).
- Update the thermal sysfs code to store trip point attributes in trip
descriptors and get to trip points via attribute pointers (Rafael
Wysocki).
- Move the computation of the low and high boundaries for
thermal_zone_set_trips() to __thermal_zone_device_update() (Daniel
Lezcano).
- Introduce a debugfs-based facility for thermal core testing (Rafael
Wysocki).
- Replace the thermal zone .bind() and .unbind() callbacks for binding
cooling devices to thermal zones with one .should_bind() callback
used for deciding whether or not a given cooling devices should be
bound to a given trip point in a given thermal zone (Rafael Wysocki).
- Eliminate code that has no more users after the other changes, drop
some redundant checks from the thermal core and clean it up (Rafael
Wysocki).
- Fix rounding of delay jiffies in the thermal core (Rafael Wysocki).
- Refuse to accept trip point temperature or hysteresis that would lead
to an invalid threshold value when setting them via sysfs (Rafael
Wysocki).
- Adjust states of all uninitialized instances in the .manage()
callback of the Bang-bang thermal governor (Rafael Wysocki).
- Drop a couple of redundant checks along with the code depending on
them from the thermal core (Rafael Wysocki).
- Rearrange the thermal core to avoid redundant checks and simplify
control flow in a couple of code paths (Rafael Wysocki).
- Add power domain DT bindings for new Amlogic SoCs (Georges Stark).
- Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr() in the ST
driver and add a Kconfig dependency on THERMAL_OF subsystem for the
STi driver (Raphael Gallais-Pou).
- Simplify the error code path in the probe functions in the brcmstb
driver with the helo of dev_err_probe() (Yan Zhen).
- Make imx_sc_thermal use dev_err_probe() (Alexander Stein).
- Remove trailing space after \n newline in the Renesas driver (Colin
Ian King).
- Add DT binding compatible string for the SA8255p to the tsens thermal
driver (Nikunj Kela).
- Use the devm_clk_get_enabled() helpers to simplify the init routine
in the sprd thermal driver (Huan Yang).
- Remove __maybe_unused notations for the functions by using the new
RUNTIME_PM_OPS() and SYSTEM_SLEEP_PM_OPS() macros on the IMx and
Qoriq drivers (Fabio Estevam)
- Remove unused declarations from the ti-soc-thermal driver's header
file as the functions in question were removed previously (Zhang
Zekun).
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Merge tag 'thermal-6.12-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 rework the thermal core and the thermal zone
driver interface to make the code more straightforward and reduce
bloat
The most significant piece of this work is a change of the code
related to binding cooling devices to thermal zones which, among other
things, replaces two previously existing thermal zone operations with
one allowing driver implementations to be much simpler
There is also a new thermal core testing module allowing mock thermal
zones to be created and controlled via debugfs in order to exercise
the thermal core functionality. It is expected to be used for
implementing thermal core self tests in the future
Apart from the above, there are assorted thermal driver updates
Specifics:
- Update some thermal drivers to eliminate thermal_zone_get_trip()
calls from them and get rid of that function (Rafael Wysocki)
- Update the thermal sysfs code to store trip point attributes in
trip descriptors and get to trip points via attribute pointers
(Rafael Wysocki)
- Move the computation of the low and high boundaries for
thermal_zone_set_trips() to __thermal_zone_device_update() (Daniel
Lezcano)
- Introduce a debugfs-based facility for thermal core testing (Rafael
Wysocki)
- Replace the thermal zone .bind() and .unbind() callbacks for
binding cooling devices to thermal zones with one .should_bind()
callback used for deciding whether or not a given cooling devices
should be bound to a given trip point in a given thermal zone
(Rafael Wysocki)
- Eliminate code that has no more users after the other changes, drop
some redundant checks from the thermal core and clean it up (Rafael
Wysocki)
- Fix rounding of delay jiffies in the thermal core (Rafael Wysocki)
- Refuse to accept trip point temperature or hysteresis that would
lead to an invalid threshold value when setting them via sysfs
(Rafael Wysocki)
- Adjust states of all uninitialized instances in the .manage()
callback of the Bang-bang thermal governor (Rafael Wysocki)
- Drop a couple of redundant checks along with the code depending on
them from the thermal core (Rafael Wysocki)
- Rearrange the thermal core to avoid redundant checks and simplify
control flow in a couple of code paths (Rafael Wysocki)
- Add power domain DT bindings for new Amlogic SoCs (Georges Stark)
- Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr() in the ST
driver and add a Kconfig dependency on THERMAL_OF subsystem for the
STi driver (Raphael Gallais-Pou)
- Simplify the error code path in the probe functions in the brcmstb
driver with the helo of dev_err_probe() (Yan Zhen)
- Make imx_sc_thermal use dev_err_probe() (Alexander Stein)
- Remove trailing space after \n newline in the Renesas driver (Colin
Ian King)
- Add DT binding compatible string for the SA8255p to the tsens
thermal driver (Nikunj Kela)
- Use the devm_clk_get_enabled() helpers to simplify the init routine
in the sprd thermal driver (Huan Yang)
- Remove __maybe_unused notations for the functions by using the new
RUNTIME_PM_OPS() and SYSTEM_SLEEP_PM_OPS() macros on the IMx and
Qoriq drivers (Fabio Estevam)
- Remove unused declarations from the ti-soc-thermal driver's header
file as the functions in question were removed previously (Zhang
Zekun)"
* tag 'thermal-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (48 commits)
thermal: core: Drop thermal_zone_device_is_enabled()
thermal: core: Check passive delay in monitor_thermal_zone()
thermal: core: Drop dead code from monitor_thermal_zone()
thermal: core: Drop redundant lockdep_assert_held()
thermal: gov_bang_bang: Adjust states of all uninitialized instances
thermal: sysfs: Add sanity checks for trip temperature and hysteresis
thermal/drivers/imx_sc_thermal: Use dev_err_probe
thermal/drivers/ti-soc-thermal: Remove unused declarations
thermal/drivers/imx: Remove __maybe_unused notations
thermal/drivers/qoriq: Remove __maybe_unused notations
thermal/drivers/sprd: Use devm_clk_get_enabled() helpers
dt-bindings: thermal: tsens: document support on SA8255p
thermal/drivers/renesas: Remove trailing space after \n newline
thermal/drivers/brcmstb_thermal: Simplify with dev_err_probe()
thermal/drivers/sti: Depend on THERMAL_OF subsystem
thermal/drivers/st: Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
dt-bindings: thermal: amlogic,thermal: add optional power-domains
thermal: core: Drop tz field from struct thermal_instance
thermal: core: Drop redundant checks from thermal_bind_cdev_to_trip()
thermal: core: Rename cdev-to-thermal-zone bind/unbind functions
...
- Check return value in acpi_db_convert_to_package() (Pei Xiao).
- Detect FACS and allow setting the waking vector on reduced-hardware
ACPI platforms (Jiaqing Zhao).
- Allow ACPICA to represent semaphores as integers (Adrien Destugues).
- Complete CXL 3.0 CXIMS structures support in ACPICA (Zhang Rui).
- Make ACPICA support SPCR version 4 and add RISC-V SBI Subtype to
DBG2 (Sia Jee Heng).
- Implement the Dword_PCC Resource Descriptor Macro in ACPICA (Jose
Marinho).
- Correct the typo in struct acpi_mpam_msc_node member (Punit Agrawal).
- Implement ACPI_WARNING_ONCE() and ACPI_ERROR_ONCE() and use them to
prevent a Stall() violation warning from being printed every time
this takes place (Vasily Khoruzhick).
- Allow PCC Data Type in MCTP resource (Adam Young).
- Fix memory leaks on acpi_ps_get_next_namepath()
and acpi_ps_get_next_field() failures (Armin Wolf).
- Add support for supressing leading zeros in hex strings when
converting them to integers and update integer-to-hex-string
conversions in ACPICA (Armin Wolf).
- Add support for Windows 11 22H2 _OSI string (Armin Wolf).
- Avoid warning for Dump Functions in ACPICA (Adam Lackorzynski).
- Add extended linear address mode to HMAT MSCIS in ACPICA (Dave
Jiang).
- Handle empty connection_node in iasl (Aleksandrs Vinarskis).
- Allow for more flexibility in _DSM args (Saket Dumbre).
- Setup for ACPICA release 20240827 (Saket Dumbre).
- Add ACPI device enumeration support for interrupt controller probing
including taking dependencies into account (Sunil V L).
- Implement ACPI-based interrupt controller probing on RISC-V (Sunil V L).
- Add ACPI support for AIA in riscv-intc and add ACPI support to
riscv-imsic, riscv-aplic, and sifive-plic (Sunil V L).
- Do not release locks during operation region accesses in the ACPI EC
driver (Rafael Wysocki).
- Fix up the _STR handling in the ACPI device object sysfs interface,
make it represent the device object attributes as an attribute group
and make it rely on driver core functionality for sysfs attrubute
management (Thomas Weißschuh).
- Extend error messages printed to the kernel log when acpi_evaluate_dsm()
fails to include revision and function number (David Wang).
- Add a new AMDI0015 platform device ID to the ACPi APD driver for AMD
SoCs (Shyam Sundar S K).
- Use the driver core for the async probing management in the ACPI
battery driver (Thomas Weißschuh).
- Remove redundant initalizations of a local variable to NULL from the
ACPI battery driver (Ilpo Järvinen).
- Remove unneeded check in tps68470_pmic_opregion_probe() (Aleksandr
Mishin).
- Add support for setting the EPP register through the ACPI CPPC sysfs
interface if it is in FFH (Mario Limonciello).
- Fix MASK_VAL() usage in the ACPI CPPC library (Clément Léger).
- Reduce the log level of a per-CPU message about idle states in the
ACPI processor driver (Li RongQing).
- Fix crash in exit_round_robin() in the ACPI processor aggregator
device (PAD) driver (Seiji Nishikawa).
- Add force_vendor quirk for Panasonic Toughbook CF-18 in the ACPI
backlight driver (Hans de Goede).
- Make the DMI checks related to backlight handling on Lenovo Yoga
Tab 3 X90F less strict (Hans de Goede).
- Enforce native backlight handling on Apple MacbookPro9,2 (Esther
Shimanovich).
- Add IRQ override quirks for Asus Vivobook Go E1404GAB and MECHREV
GM7XG0M, and refine the TongFang GMxXGxx quirk (Li Chen, Tamim Khan,
Werner Sembach).
- Quirk ASUS ROG M16 to default to S3 sleep (Luke D. Jones).
- Define and use symbols for device and class name lengths in the ACPI
bus type code and make the code use strscpy() instead of strcpy() in
several places (Muhammad Qasim Abdul Majeed).
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Merge tag 'acpi-6.12-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 version
20240827, add support for ACPI-based enumeration of interrupt
controllers on RISC-V along with some related irqchip updates, clean
up the ACPI device object sysfs interface, add some quirks for
backlight handling and IRQ overrides, fix assorted issues and clean up
code.
Specifics:
- Check return value in acpi_db_convert_to_package() (Pei Xiao)
- Detect FACS and allow setting the waking vector on reduced-hardware
ACPI platforms (Jiaqing Zhao)
- Allow ACPICA to represent semaphores as integers (Adrien Destugues)
- Complete CXL 3.0 CXIMS structures support in ACPICA (Zhang Rui)
- Make ACPICA support SPCR version 4 and add RISC-V SBI Subtype to
DBG2 (Sia Jee Heng)
- Implement the Dword_PCC Resource Descriptor Macro in ACPICA (Jose
Marinho)
- Correct the typo in struct acpi_mpam_msc_node member (Punit
Agrawal)
- Implement ACPI_WARNING_ONCE() and ACPI_ERROR_ONCE() and use them to
prevent a Stall() violation warning from being printed every time
this takes place (Vasily Khoruzhick)
- Allow PCC Data Type in MCTP resource (Adam Young)
- Fix memory leaks on acpi_ps_get_next_namepath() and
acpi_ps_get_next_field() failures (Armin Wolf)
- Add support for supressing leading zeros in hex strings when
converting them to integers and update integer-to-hex-string
conversions in ACPICA (Armin Wolf)
- Add support for Windows 11 22H2 _OSI string (Armin Wolf)
- Avoid warning for Dump Functions in ACPICA (Adam Lackorzynski)
- Add extended linear address mode to HMAT MSCIS in ACPICA (Dave
Jiang)
- Handle empty connection_node in iasl (Aleksandrs Vinarskis)
- Allow for more flexibility in _DSM args (Saket Dumbre)
- Setup for ACPICA release 20240827 (Saket Dumbre)
- Add ACPI device enumeration support for interrupt controller
probing including taking dependencies into account (Sunil V L)
- Implement ACPI-based interrupt controller probing on RISC-V
(Sunil V L)
- Add ACPI support for AIA in riscv-intc and add ACPI support to
riscv-imsic, riscv-aplic, and sifive-plic (Sunil V L)
- Do not release locks during operation region accesses in the ACPI
EC driver (Rafael Wysocki)
- Fix up the _STR handling in the ACPI device object sysfs interface,
make it represent the device object attributes as an attribute
group and make it rely on driver core functionality for sysfs
attrubute management (Thomas Weißschuh)
- Extend error messages printed to the kernel log when
acpi_evaluate_dsm() fails to include revision and function number
(David Wang)
- Add a new AMDI0015 platform device ID to the ACPi APD driver for
AMD SoCs (Shyam Sundar S K)
- Use the driver core for the async probing management in the ACPI
battery driver (Thomas Weißschuh)
- Remove redundant initalizations of a local variable to NULL from
the ACPI battery driver (Ilpo Järvinen)
- Remove unneeded check in tps68470_pmic_opregion_probe() (Aleksandr
Mishin)
- Add support for setting the EPP register through the ACPI CPPC
sysfs interface if it is in FFH (Mario Limonciello)
- Fix MASK_VAL() usage in the ACPI CPPC library (Clément Léger)
- Reduce the log level of a per-CPU message about idle states in the
ACPI processor driver (Li RongQing)
- Fix crash in exit_round_robin() in the ACPI processor aggregator
device (PAD) driver (Seiji Nishikawa)
- Add force_vendor quirk for Panasonic Toughbook CF-18 in the ACPI
backlight driver (Hans de Goede)
- Make the DMI checks related to backlight handling on Lenovo Yoga
Tab 3 X90F less strict (Hans de Goede)
- Enforce native backlight handling on Apple MacbookPro9,2 (Esther
Shimanovich)
- Add IRQ override quirks for Asus Vivobook Go E1404GAB and MECHREV
GM7XG0M, and refine the TongFang GMxXGxx quirk (Li Chen, Tamim
Khan, Werner Sembach)
- Quirk ASUS ROG M16 to default to S3 sleep (Luke D. Jones)
- Define and use symbols for device and class name lengths in the
ACPI bus type code and make the code use strscpy() instead of
strcpy() in several places (Muhammad Qasim Abdul Majeed)"
* tag 'acpi-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (70 commits)
ACPI: resource: Add another DMI match for the TongFang GMxXGxx
ACPI: CPPC: Add support for setting EPP register in FFH
ACPI: PM: Quirk ASUS ROG M16 to default to S3 sleep
ACPI: video: Add force_vendor quirk for Panasonic Toughbook CF-18
ACPI: battery: use driver core managed async probing
ACPI: button: Use strscpy() instead of strcpy()
ACPI: resource: Skip IRQ override on Asus Vivobook Go E1404GAB
ACPI: CPPC: Fix MASK_VAL() usage
irqchip/sifive-plic: Add ACPI support
ACPICA: Setup for ACPICA release 20240827
ACPICA: Allow for more flexibility in _DSM args
ACPICA: iasl: handle empty connection_node
ACPICA: HMAT: Add extended linear address mode to MSCIS
ACPICA: Avoid warning for Dump Functions
ACPICA: Add support for Windows 11 22H2 _OSI string
ACPICA: Update integer-to-hex-string conversions
ACPICA: Add support for supressing leading zeros in hex strings
ACPICA: Allow for supressing leading zeros when using acpi_ex_convert_to_ascii()
ACPICA: Fix memory leak if acpi_ps_get_next_field() fails
ACPICA: Fix memory leak if acpi_ps_get_next_namepath() fails
...
ACPI:
* Enable PMCG erratum workaround for HiSilicon HIP10 and 11 platforms.
* Ensure arm64-specific IORT header is covered by MAINTAINERS.
CPU Errata:
* Enable workaround for hardware access/dirty issue on Ampere-1A cores.
Memory management:
* Define PHYSMEM_END to fix a crash in the amdgpu driver.
* Avoid tripping over invalid kernel mappings on the kexec() path.
* Userspace support for the Permission Overlay Extension (POE) using
protection keys.
Perf and PMUs:
* Add support for the "fixed instruction counter" extension in the CPU
PMU architecture.
* Extend and fix the event encodings for Apple's M1 CPU PMU.
* Allow LSM hooks to decide on SPE permissions for physical profiling.
* Add support for the CMN S3 and NI-700 PMUs.
Confidential Computing:
* Add support for booting an arm64 kernel as a protected guest under
Android's "Protected KVM" (pKVM) hypervisor.
Selftests:
* Fix vector length issues in the SVE/SME sigreturn tests
* Fix build warning in the ptrace tests.
Timers:
* Add support for PR_{G,S}ET_TSC so that 'rr' can deal with
non-determinism arising from the architected counter.
Miscellaneous:
* Rework our IPI-based CPU stopping code to try NMIs if regular IPIs
don't succeed.
* Minor fixes and cleanups.
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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:
"The highlights are support for Arm's "Permission Overlay Extension"
using memory protection keys, support for running as a protected guest
on Android as well as perf support for a bunch of new interconnect
PMUs.
Summary:
ACPI:
- Enable PMCG erratum workaround for HiSilicon HIP10 and 11
platforms.
- Ensure arm64-specific IORT header is covered by MAINTAINERS.
CPU Errata:
- Enable workaround for hardware access/dirty issue on Ampere-1A
cores.
Memory management:
- Define PHYSMEM_END to fix a crash in the amdgpu driver.
- Avoid tripping over invalid kernel mappings on the kexec() path.
- Userspace support for the Permission Overlay Extension (POE) using
protection keys.
Perf and PMUs:
- Add support for the "fixed instruction counter" extension in the
CPU PMU architecture.
- Extend and fix the event encodings for Apple's M1 CPU PMU.
- Allow LSM hooks to decide on SPE permissions for physical
profiling.
- Add support for the CMN S3 and NI-700 PMUs.
Confidential Computing:
- Add support for booting an arm64 kernel as a protected guest under
Android's "Protected KVM" (pKVM) hypervisor.
Selftests:
- Fix vector length issues in the SVE/SME sigreturn tests
- Fix build warning in the ptrace tests.
Timers:
- Add support for PR_{G,S}ET_TSC so that 'rr' can deal with
non-determinism arising from the architected counter.
Miscellaneous:
- Rework our IPI-based CPU stopping code to try NMIs if regular IPIs
don't succeed.
- Minor fixes and cleanups"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (94 commits)
perf: arm-ni: Fix an NULL vs IS_ERR() bug
arm64: hibernate: Fix warning for cast from restricted gfp_t
arm64: esr: Define ESR_ELx_EC_* constants as UL
arm64: pkeys: remove redundant WARN
perf: arm_pmuv3: Use BR_RETIRED for HW branch event if enabled
MAINTAINERS: List Arm interconnect PMUs as supported
perf: Add driver for Arm NI-700 interconnect PMU
dt-bindings/perf: Add Arm NI-700 PMU
perf/arm-cmn: Improve format attr printing
perf/arm-cmn: Clean up unnecessary NUMA_NO_NODE check
arm64/mm: use lm_alias() with addresses passed to memblock_free()
mm: arm64: document why pte is not advanced in contpte_ptep_set_access_flags()
arm64: Expose the end of the linear map in PHYSMEM_END
arm64: trans_pgd: mark PTEs entries as valid to avoid dead kexec()
arm64/mm: Delete __init region from memblock.reserved
perf/arm-cmn: Support CMN S3
dt-bindings: perf: arm-cmn: Add CMN S3
perf/arm-cmn: Refactor DTC PMU register access
perf/arm-cmn: Make cycle counts less surprising
perf/arm-cmn: Improve build-time assertion
...
- Fix conversion to physical memory addresses on Intel's Elkhart Lake and Ice
Lake hardware when the system address is above the (Top-Of-Memory) TOM
address
- Pay attention to the memory hole on Zynq UltraScale+ MPSoC DDR controllers
when injecting errors for testing purposes
- Add support for translating normalized error addresses reported by an AMD
memory controller into system physical addresses using an UEFI mechanism
called platform runtime mechanism (PRM).
- The usual cleanups and fixes
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Merge tag 'edac_updates_for_v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
- Drop a now obsolete ppc4xx_edac driver
- Fix conversion to physical memory addresses on Intel's Elkhart Lake
and Ice Lake hardware when the system address is above the
(Top-Of-Memory) TOM address
- Pay attention to the memory hole on Zynq UltraScale+ MPSoC DDR
controllers when injecting errors for testing purposes
- Add support for translating normalized error addresses reported by an
AMD memory controller into system physical addresses using an UEFI
mechanism called platform runtime mechanism (PRM).
- The usual cleanups and fixes
* tag 'edac_updates_for_v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC: Drop obsolete PPC4xx driver
EDAC/sb_edac: Fix the compile warning of large frame size
EDAC/{skx_common,i10nm}: Remove the AMAP register for determing DDR5
EDAC/{skx_common,skx,i10nm}: Move the common debug code to skx_common
EDAC/igen6: Fix conversion of system address to physical memory address
EDAC/synopsys: Fix error injection on Zynq UltraScale+
RAS/AMD/ATL: Translate normalized to system physical addresses using PRM
ACPI: PRM: Add PRM handler direct call support
Merge ACPI backlight (video) driver update, ACPI resource management
updates, an ACPI processor aggregator device (PAD) driver fix, and
miscellaneous ACPI updates for 6.12-rc1:
- Add force_vendor quirk for Panasonic Toughbook CF-18 in the ACPI
backlight driver (Hans de Goede).
- Make the DMI checks related to backlight handling on Lenovo Yoga
Tab 3 X90F less strict (Hans de Goede).
- Enforce native backlight handling on Apple MacbookPro9,2 (Esther
Shimanovich).
- Add IRQ override quirks for Asus Vivobook Go E1404GAB and MECHREV
GM7XG0M, and refine the TongFang GMxXGxx quirk (Li Chen, Tamim Khan,
Werner Sembach).
- Fix crash in exit_round_robin() in the ACPI processor aggregator
device (PAD) driver (Seiji Nishikawa).
- Define and use symbols for device and class name lengths in the ACPI
bus type code and make the code use strscpy() instead of strcpy() in
several places (Muhammad Qasim Abdul Majeed).
* acpi-video:
ACPI: video: Add force_vendor quirk for Panasonic Toughbook CF-18
ACPI: x86: Make Lenovo Yoga Tab 3 X90F DMI match less strict
ACPI: video: Make Lenovo Yoga Tab 3 X90F DMI match less strict
ACPI: video: force native for Apple MacbookPro9,2
* acpi-resource:
ACPI: resource: Add another DMI match for the TongFang GMxXGxx
ACPI: resource: Skip IRQ override on Asus Vivobook Go E1404GAB
ACPI: resource: Do IRQ override on MECHREV GM7XG0M
* acpi-pad:
ACPI: PAD: fix crash in exit_round_robin()
* acpi-misc:
ACPI: button: Use strscpy() instead of strcpy()
ACPI: bus: Define and use symbols for device and class name lengths
ACPI: battery : Use strscpy() instead of strcpy()
ACPI: acpi_processor: Use strscpy instead() of strcpy()
ACPI: PAD: Use strscpy() instead of strcpy()
ACPI: AC: Use strscpy() instead of strcpy()
Merge ACPI battery driver, ACPI PMIC driver, ACPI processor driver and
ACPI CPPC library updates for 6.12-rc1:
- Use the driver core for the async probing management in the ACPI
battery driver (Thomas Weißschuh).
- Remove redundant initalizations of a local variable to NULL from the
ACPI battery driver (Ilpo Järvinen).
- Use strscpy() instead of strcpy() in the ACPI battery driver (Muhammad
Qasim Abdul Majeed).
- Remove unneeded check in tps68470_pmic_opregion_probe() (Aleksandr
Mishin).
- Add support for setting the EPP register through the ACPI CPPC sysfs
interface if it is in FFH (Mario Limonciello).
- Fix MASK_VAL() usage in the ACPI CPPC library (Clément Léger).
- Reduce the log level of a per-CPU message about idle states in the
ACPI processor driver (Li RongQing).
* acpi-battery:
ACPI: battery: use driver core managed async probing
ACPI: battery: Remove redundant NULL initalizations
ACPI: battery: Use strscpy() instead of strcpy()
* acpi-pmic:
ACPI: PMIC: Remove unneeded check in tps68470_pmic_opregion_probe()
* acpi-cppc:
ACPI: CPPC: Add support for setting EPP register in FFH
ACPI: CPPC: Fix MASK_VAL() usage
* acpi-processor:
ACPI: processor: Reduce the log level of a per-CPU message about idle states
Merge an ACPI EC driver update, ACPI sysfs interface updates, an ACPI
library function update, and an ACPI APD driver update for 6.12-rc1:
- Do not release locks during operation region accesses in the ACPI EC
driver (Rafael Wysocki).
- Fix up the _STR handling in the ACPI device object sysfs interface,
make it represent the device object attributes as an attribute group
and make it rely on driver core functionality for sysfs attrubute
management (Thomas Weißschuh).
- Extend error messages printed to the kernel log when acpi_evaluate_dsm()
fails to include revision and function number (David Wang).
- Add a new AMDI0015 platform device ID to the ACPi APD driver for AMD
SoCs (Shyam Sundar S K).
* acpi-ec:
ACPI: EC: Do not release locks during operation region accesses
* acpi-sysfs:
ACPI: sysfs: remove return value of acpi_device_setup_files()
ACPI: sysfs: manage sysfs attributes through device core
ACPI: sysfs: manage attributes as attribute_group
ACPI: sysfs: evaluate _STR on each sysfs access
ACPI: sysfs: validate return type of _STR method
* acpi-utils:
ACPI: utils: Add rev/func to message when acpi_evaluate_dsm() fails
* acpi-soc:
ACPI: APD: Add AMDI0015 as platform device
Merge ACPI and irqchip updates related to external interrupt controller
support on RISC-V:
- Add ACPI device enumeration support for interrupt controller probing
including taking dependencies into account (Sunil V L).
- Implement ACPI-based interrupt controller probing on RISC-V (Sunil V L).
- Add ACPI support for AIA in riscv-intc and add ACPI support to
riscv-imsic, riscv-aplic, and sifive-plic (Sunil V L).
* acpi-riscv:
irqchip/sifive-plic: Add ACPI support
irqchip/riscv-aplic: Add ACPI support
irqchip/riscv-imsic: Add ACPI support
irqchip/riscv-imsic-state: Create separate function for DT
irqchip/riscv-intc: Add ACPI support for AIA
ACPI: RISC-V: Implement function to add implicit dependencies
ACPI: RISC-V: Initialize GSI mapping structures
ACPI: RISC-V: Implement function to reorder irqchip probe entries
ACPI: RISC-V: Implement PCI related functionality
ACPI: pci_link: Clear the dependencies after probe
ACPI: bus: Add RINTC IRQ model for RISC-V
ACPI: scan: Define weak function to populate dependencies
ACPI: scan: Add RISC-V interrupt controllers to honor list
ACPI: scan: Refactor dependency creation
ACPI: bus: Add acpi_riscv_init() function
ACPI: scan: Add a weak arch_sort_irqchip_probe() to order the IRQCHIP probe
arm64: PCI: Migrate ACPI related functions to pci-acpi.c
Merge ACPICA updates for 6.12-rc1:
- Check return value in acpi_db_convert_to_package() (Pei Xiao).
- Detect FACS and allow setting the waking vector on reduced-hardware
ACPI platforms (Jiaqing Zhao).
- Allow ACPICA to represent semaphores as integers (Adrien Destugues).
- Complete CXL 3.0 CXIMS structures support in ACPICA (Zhang Rui).
- Make ACPICA support SPCR version 4 and add RISC-V SBI Subtype to
DBG2 (Sia Jee Heng).
- Implement the Dword_PCC Resource Descriptor Macro in ACPICA (Jose
Marinho).
- Correct the typo in struct acpi_mpam_msc_node member (Punit Agrawal).
- Implement ACPI_WARNING_ONCE() and ACPI_ERROR_ONCE() and use them to
prevent a Stall() violation warning from being printed every time
this takes place (Vasily Khoruzhick).
- Allow PCC Data Type in MCTP resource (Adam Young).
- Fix memory leaks on acpi_ps_get_next_namepath()
and acpi_ps_get_next_field() failures (Armin Wolf).
- Add support for supressing leading zeros in hex strings when
converting them to integers and update integer-to-hex-string
conversions in ACPICA (Armin Wolf).
- Add support for Windows 11 22H2 _OSI string (Armin Wolf).
- Avoid warning for Dump Functions in ACPICA (Adam Lackorzynski).
- Add extended linear address mode to HMAT MSCIS in ACPICA (Dave
Jiang).
- Handle empty connection_node in iasl (Aleksandrs Vinarskis).
- Allow for more flexibility in _DSM args (Saket Dumbre).
- Setup for ACPICA release 20240827 (Saket Dumbre).
* acpica: (23 commits)
ACPICA: Setup for ACPICA release 20240827
ACPICA: Allow for more flexibility in _DSM args
ACPICA: iasl: handle empty connection_node
ACPICA: HMAT: Add extended linear address mode to MSCIS
ACPICA: Avoid warning for Dump Functions
ACPICA: Add support for Windows 11 22H2 _OSI string
ACPICA: Update integer-to-hex-string conversions
ACPICA: Add support for supressing leading zeros in hex strings
ACPICA: Allow for supressing leading zeros when using acpi_ex_convert_to_ascii()
ACPICA: Fix memory leak if acpi_ps_get_next_field() fails
ACPICA: Fix memory leak if acpi_ps_get_next_namepath() fails
ACPICA: Allow PCC Data Type in MCTP resource.
ACPICA: executer/exsystem: Don't nag user about every Stall() violating the spec
ACPICA: Implement ACPI_WARNING_ONCE and ACPI_ERROR_ONCE
ACPICA: MPAM: Correct the typo in struct acpi_mpam_msc_node member
ACPICA: Implement the Dword_PCC Resource Descriptor Macro
ACPICA: Headers: Add RISC-V SBI Subtype to DBG2
ACPICA: SPCR: Update the SPCR table to version 4
ACPICA: Complete CXL 3.0 CXIMS structures
ACPICA: haiku: Fix invalid value used for semaphores
...
Internal documentation suggest that the TUXEDO Polaris 15 Gen5 AMD might
have GMxXGxX as the board name instead of GMxXGxx.
Adding both to be on the safe side.
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Cc: All applicable <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240910094008.1601230-1-wse@tuxedocomputers.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Some Asus AMD systems are reported to not be able to change EPP values
because the BIOS doesn't advertise support for the CPPC MSR and the PCC
region is not configured.
However the ACPI 6.2 specification allows CPC registers to be declared
in FFH:
```
Starting with ACPI Specification 6.2, all _CPC registers can be in
PCC, System Memory, System IO, or Functional Fixed Hardware address
spaces. OSPM support for this more flexible register space scheme
is indicated by the “Flexible Address Space for CPPC Registers” _OSC
bit.
```
If this _OSC has been set allow using FFH to configure EPP.
Reported-by: al0uette@outlook.com
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218686
Suggested-by: al0uette@outlook.com
Tested-by: vderp@icloud.com
Tested-by: al0uette@outlook.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20240910031524.106387-1-superm1@kernel.org
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The 2023 ASUS ROG Zephyrus M16 can suffer from quite a variety of events
causing wakeup from s2idle sleep.
The events may come from the EC being noisey, from the MMC reader, from
the AniMe matrix display on some models or from AC events.
Defaulting to S3 sleep prevents all these wakeup issues.
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://patch.msgid.link/20240908053607.4213-1-luke@ljones.dev
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The Panasonic Toughbook CF-18 advertises both native and vendor backlight
control interfaces. But only the vendor one actually works.
acpi_video_get_backlight_type() will pick the non working native backlight
by default, add a quirk to select the working vendor backlight instead.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patch.msgid.link/20240907124419.21195-1-hdegoede@redhat.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
In commit 0f66af5301 ("ACPI: battery: asynchronous init") the ACPI
battery driver switched to a custom async driver probing to avoid
delaying the system boot.
In the meantime the driver core gained its own async probing logic for
"slow devices which probing order is not essential for booting the system".
Switch over to the core logic and drop the custom one.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://patch.msgid.link/20240903-acpi-battery-async-v1-1-e4deb74fcdba@weissschuh.net
[ rjw: Changelog edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Replace strcpy() with strscpy() in the ACPI button driver.
strcpy() has been deprecated because it is generally unsafe, so help to
eliminate it from the kernel source.
Link: https://github.com/KSPP/linux/issues/88
Signed-off-by: Muhammad Qasim Abdul Majeed <qasim.majeed20@gmail.com>
Link: https://patch.msgid.link/20240901191826.421488-1-qasim.majeed20@gmail.com
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Like other Asus Vivobooks, the Asus Vivobook Go E1404GAB has a DSDT
that describes IRQ 1 as ActiveLow, while the kernel overrides to Edge_High.
This override prevents the internal keyboard from working.
Fix the problem by adding this laptop to the table that prevents the kernel
from overriding the IRQ.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=219212
Signed-off-by: Tamim Khan <tamim@fusetak.com>
Link: https://patch.msgid.link/20240903014317.38858-1-tamim@fusetak.com
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
MASK_VAL() was added as a way to handle bit_offset and bit_width for
registers located in system memory address space. However, while suited
for reading, it does not work for writing and result in corrupted
registers when writing values with bit_offset > 0. Moreover, when a
register is collocated with another one at the same address but with a
different mask, the current code results in the other registers being
overwritten with 0s. The write procedure for SYSTEM_MEMORY registers
should actually read the value, mask it, update it and write it with the
updated value. Moreover, since registers can be located in the same
word, we must take care of locking the access before doing it. We should
potentially use a global lock since we don't know in if register
addresses aren't shared with another _CPC package but better not
encourage vendors to do so. Assume that registers can use the same word
inside a _CPC package and thus, use a per _CPC package lock.
Fixes: 2f4a4d63a1 ("ACPI: CPPC: Use access_width over bit_width for system memory accesses")
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Link: https://patch.msgid.link/20240826101648.95654-1-cleger@rivosinc.com
[ rjw: Dropped redundant semicolon ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 6c551e2c9487067d4b085333e7fe97e965a11625
Link: https://github.com/acpica/acpica/commit/6c551e2c
Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 6031b34b5dbabfaaebe80e57e8e415790b51d285
Only include the functions acpi_rs_dump_resource_list
and acpi_rs_dump_irq_list() if ACPI_DEBUGGER is defined, as
specified in the header.
This avoids the compiler warning by adding the ifdef for ACPI_DEBUGGER.
Link: https://github.com/acpica/acpica/commit/6031b34b
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit f2cb44f6deb6325a6b348b225fc82f565a870899
Add "0x" prefix for explicitly converted integers
and suppress leading zeros in such a case.
Provides compatibility with other ACPI implementations.
Link: https://github.com/acpica/acpica/commit/f2cb44f6
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 86289439d9f8b9eda28c249da66ae230d6439491
Currently the leading_zeros argument has no effect when
converting hex integers. Fix that.
Link: https://github.com/acpica/acpica/commit/86289439
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 792a337104ce2c1729d33d76241b42b3214aa60f
Allow to specifiy wether leading zeros should be supressed
ot not when using acpi_ex_convert_to_ascii().
Link: https://github.com/acpica/acpica/commit/792a3371
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 1280045754264841b119a5ede96cd005bc09b5a7
If acpi_ps_get_next_field() fails, the previously created field list
needs to be properly disposed before returning the status code.
Link: https://github.com/acpica/acpica/commit/12800457
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
[ rjw: Rename local variable to avoid compiler confusion ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit f0776a465cc2c20393bec534c16bdee4a78f7bb7
explicitly allow QWord address space description type
to be 0xA to indicate it refers to a Platform
Communication channel
IAW ACPI_ECR_PCC_DESCRIPTORS_CF_V2
https://bugzilla.tianocore.org/show_bug.cgi?id=4594
An entity in a DSDT or in SSDTs that requires
a platform communication channel table (PCCT) entry
to communicate with a remote service will have a single
value that is the index of the entry in the PCCT.
This data type with have a resource_type value of 0xA.
This value indicates that the type shares the same
footprint as a Dword_space section.
Link: https://github.com/acpica/acpica/commit/f0776a46
Signed-off-by: Adam Young <ayoung@amperecomputing.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 129b75516fc49fe1fd6b8c5798f86c13854630b3
Stop nagging user about every Stall() that violates the spec
On my Dell XPS 15 7590 I get hundreds of these warnings after few hours of
uptime:
$ dmesg | grep "fix the firmware" | wc -l
261
I cannot fix the firmware and I doubt that Dell cares about 4 year old
laptop either
Fixes: ace8f1c54a ("ACPICA: executer/exsystem: Inform users about ACPI spec violation")
Link: https://github.com/acpica/acpica/commit/129b7551
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 1209ecf682e03d9ef0c22f4986a2e53b03bd2985
The Dword_pcc (alongside word_pcc and Qword_pcc) were accepted to ACPI
inclusion via a code-first process.
This patch implements support in iASL for Dword_pcc.
Link: https://bugzilla.tianocore.org/show_bug.cgi?id=4594
Link: https://github.com/acpica/acpica/commit/1209ecf6
Signed-off-by: Jose Marinho <jose.marinho@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 49fe4f25483feec2f685b204ef19e28d92979e95
In Haiku, semaphores are represented by integers, not pointers.
So, we can't use NULL as the invalid/destroyed value, the correct value
is -1. Introduce a platform overridable define to allow this.
Fixes#162 (which was closed after coming to the conclusion that this
should be done, but the change was never done).
Link: https://github.com/acpica/acpica/commit/49fe4f25
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
According to Section 5.2.10 of ACPI Specification, FACS is optional
in reduced hardware model. Enable the detection for "Hardware-reduced
ACPI support only" build (CONFIG_ACPI_REDUCED_HARDWARE_ONLY=y) also.
Link: ee53ed6b54
Signed-off-by: Jiaqing Zhao <jiaqing.zhao@linux.intel.com>
Link: https://patch.msgid.link/20240827025821.2099068-2-jiaqing.zhao@linux.intel.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
When acpi_evaluate_dsm() fails, the warning message lacks the rev
and func information which is available and helpful.
For example, iwlwifi would make _DSM queries for lari config,
and when it fails, all warning messages are all the same:
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade (0x1001)
With this change, the warnings would be more informative:
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade rev:0 func:1 (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade rev:0 func:6 (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade rev:0 func:7 (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade rev:0 func:8 (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade rev:0 func:3 (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade rev:0 func:9 (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade rev:0 func:10 (0x1001)
ACPI: \: failed to evaluate _DSM bf0212f2-788f-c64d-a5b3-1f738e285ade rev:0 func:12 (0x1001)
Signed-off-by: David Wang <00107082@163.com>
Link: https://patch.msgid.link/20240826233437.19632-1-00107082@163.com
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There are 2G and 4G RAM versions of the Lenovo Yoga Tab 3 X90F and it
turns out that the 2G version has a DMI product name of
"CHERRYVIEW D1 PLATFORM" where as the 4G version has
"CHERRYVIEW C0 PLATFORM". The sys-vendor + product-version check are
unique enough that the product-name check is not necessary.
Drop the product-name check so that the existing DMI match for the 4G
RAM version also matches the 2G RAM version.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patch.msgid.link/20240825132322.6776-2-hdegoede@redhat.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There are 2G and 4G RAM versions of the Lenovo Yoga Tab 3 X90F and it
turns out that the 2G version has a DMI product name of
"CHERRYVIEW D1 PLATFORM" where as the 4G version has
"CHERRYVIEW C0 PLATFORM". The sys-vendor + product-version check are
unique enough that the product-name check is not necessary.
Drop the product-name check so that the existing DMI match for the 4G
RAM version also matches the 2G RAM version.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patch.msgid.link/20240825132322.6776-1-hdegoede@redhat.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Merge thermal core updates for 6.12 which, among other things, rework
the thermal driver interface for binding cooling devices to thermal
zones and add a thermal core testing module:
- Update some thermal drivers to eliminate thermal_zone_get_trip()
calls from them and get rid of that function (Rafael Wysocki).
- Update the thermal sysfs code to store trip point attributes in trip
descriptors and get to trip points via attribute pointers (Rafael
Wysocki).
- Move the computation of the low and high boundaries for
thermal_zone_set_trips() to __thermal_zone_device_update() (Daniel
Lezcano).
- Introduce a debugfs-based facility for thermal core testing (Rafael
Wysocki).
- Replace the thermal zone .bind() and .unbind() callbacks for binding
cooling devices to thermal zones with one .should_bind() callback
used for deciding whether or not a given cooling devices should be
bound to a given trip point in a given thermal zone (Rafael Wysocki).
- Eliminate code that has no more users after the other changes, drop
some redundant checks from the thermal core and clean it up (Rafael
Wysocki).
- Fix rounding of delay jiffies in the thermal core (Rafael Wysocki).
* thermal-core: (31 commits)
thermal: core: Drop tz field from struct thermal_instance
thermal: core: Drop redundant checks from thermal_bind_cdev_to_trip()
thermal: core: Rename cdev-to-thermal-zone bind/unbind functions
thermal: core: Fix rounding of delay jiffies
thermal: core: Clean up trip bind/unbind functions
thermal: core: Drop unused bind/unbind functions and callbacks
thermal/of: Use the .should_bind() thermal zone callback
thermal: imx: Use the .should_bind() thermal zone callback
mlxsw: core_thermal: Use the .should_bind() thermal zone callback
platform/x86: acerhdf: Use the .should_bind() thermal zone callback
thermal: core: Unexport thermal_bind_cdev_to_trip() and thermal_unbind_cdev_from_trip()
thermal: ACPI: Use the .should_bind() thermal zone callback
thermal: core: Introduce .should_bind() thermal zone callback
thermal: core: Move thermal zone locking out of bind/unbind functions
thermal: sysfs: Use the dev argument in instance-related show/store
thermal: core: Drop redundant thermal instance checks
thermal: core: Rearrange checks in thermal_bind_cdev_to_trip()
thermal: core: Fold two functions into their respective callers
thermal: Introduce a debugfs-based testing facility
thermal/core: Compute low and high boundaries in thermal_zone_device_update()
...
RISC-V interrupt controllers for wired interrupts are platform devices
and hence their driver will be probed late. Also, APLIC which is one
such interrupt controller can not be probed early since it needs MSI
services. This needs a probing order between the interrupt controller
driver and the device drivers.
_DEP is typically used to indicate such dependencies. However, the
dependency may be already available like GSI mapping. Hence, instead of
an explicit _DEP, architecture can find the implicit dependencies and
add to the dependency list.
For RISC-V, add the dependencies for below use cases.
1) For devices which has IRQ resource, find out the interrupt controller
using GSI number map and add the dependency.
2) For PCI host bridges:
a) If _PRT indicate PCI link devices, add dependency on the link
device.
b) If _PRT indicates GSI, find out the interrupt controller
using GSI number map and add the dependency.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-13-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
RISC-V has PLIC and APLIC in MADT as well as namespace devices.
Initialize the list of those structures using MADT and namespace devices
to create mapping between the ACPI handle and the GSI ranges. This will
be used later to add dependencies.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-12-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
On RISC-V platforms, the RINTC structures should be probed before any
other interrupt controller structures and IMSIC before APLIC. This order
is established by using MADT sub table types which are ordered in the
incremental order from the RINTC. So, add the architecture function for
RISC-V to reorder the interrupt controller probing as per the hierarchy
like below.
ACPI_MADT_TYPE_RINTC = 24,
ACPI_MADT_TYPE_IMSIC = 25,
ACPI_MADT_TYPE_APLIC = 26,
ACPI_MADT_TYPE_PLIC = 27
This means processing all RINTC structures (in the order of appearance
in MADT), followed by IMSIC strucutre and then all APLIC/PLIC
structures.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-11-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
RISC-V platforms need to use dependencies between PCI host bridge, Link
devices and the interrupt controllers to ensure probe order. The
dependency is like below.
Interrupt controller <-- Link Device <-- PCI Host bridge.
If there is no dependency between Link device and PCI Host Bridge,
then PCI devices may be probed prior to Link devices. If a PCI
device is probed before its Link device, we won't be able to find
its INTx mapping.
So, add the link device's HID to dependency honor list and clear the
dependency after probe is done so that the dependent devices are
unblocked to probe.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-9-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add the IRQ model for RISC-V INTC so that acpi_set_irq_model can use this
for RISC-V.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-8-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Some architectures like RISC-V need to add dependencies without explicit
_DEP. Define a weak function which can be implemented by the architecture.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-7-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
RISC-V PLIC and APLIC will have dependency from devices using GSI. So, add
these devices to the honor list.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-6-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Some architectures like RISC-V will use implicit dependencies like GSI
map to create dependencies between interrupt controller and devices. To
support doing that, the function which creates the dependency, is
refactored bit and made public so that dependency can be added from
outside of scan.c as well.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-5-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add a new function for RISC-V to do architecture specific initialization
similar to acpi_arm_init(). Some of the ACPI tables are architecture
specific and there is no reason trying to find them on other
architectures. So, add acpi_riscv_init() similar to acpi_arm_init().
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-4-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Unlike OF framework, the irqchip probe using IRQCHIP_ACPI_DECLARE has no
order defined. Depending on the Makefile is not a good idea. So,
usually it is worked around by mandating only root interrupt controller
probed using IRQCHIP_ACPI_DECLARE and other interrupt controllers are
probed via cascade mechanism.
However, this is also not a clean solution because if there are multiple
root controllers (ex: RINTC in RISC-V which is per CPU) which need to be
probed first, then the cascade will happen for every root controller.
So, introduce an architecture specific weak function
arch_sort_irqchip_probe() to order the probing of the interrupt
controllers which can be implemented by different architectures as per
their interrupt controller hierarchy.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-3-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
It used to be that the MacbookPro9,2 used its native intel backlight
device until the following commit was introduced:
commit b1d36e73cc ("drm/i915: Don't register backlight when another
backlight should be used (v2)")
This commit forced this model to use its firmware acpi_video backlight
device instead.
That worked fine until an additional commit was added:
commit 92714006eb ("drm/i915/backlight: Do not bump min brightness
to max on enable")
That commit uncovered a bug in the MacbookPro 9,2's acpi_video
backlight firmware; the backlight does not come back up after resume.
Add DMI quirk to select the working native intel interface instead
so that the backlight successfully comes back up after resume.
Fixes: 92714006eb ("drm/i915/backlight: Do not bump min brightness to max on enable")
Signed-off-by: Esther Shimanovich <eshimanovich@chromium.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patch.msgid.link/20240806-acpi-video-quirk-v1-1-369d8f7abc59@chromium.org
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Replace strcpy() with strscpy() in the ACPI battery driver.
strcpy() has been deprecated because it is generally unsafe, so help to
eliminate it from the kernel source.
Link: https://github.com/KSPP/linux/issues/88
Signed-off-by: Muhammad Qasim Abdul Majeed <qasim.majeed20@gmail.com>
Link: https://patch.msgid.link/20240804123313.16211-4-qasim.majeed20@gmail.com
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Replace strcpy() with strscpy() in the ACPI processor driver.
strcpy() has been deprecated because it is generally unsafe, so help to
eliminate it from the kernel source.
Link: https://github.com/KSPP/linux/issues/88
Signed-off-by: Muhammad Qasim Abdul Majeed <qasim.majeed20@gmail.com>
Link: https://patch.msgid.link/20240804123313.16211-3-qasim.majeed20@gmail.com
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
