drop this forced built-in only configuration by disentangling it from
GHES. Work by Jia He.
- The usual small cleanups and improvements all over EDAC land
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Merge tag 'edac_updates_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
- Make ghes_edac a simple module like the rest of the EDAC drivers and
drop the forced built-in only configuration by disentangling it from
GHES (Jia He)
- The usual small cleanups and improvements all over EDAC land
* tag 'edac_updates_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/i10nm: fix refcount leak in pci_get_dev_wrapper()
EDAC/i5400: Fix typo in comment: vaious -> various
EDAC/mc_sysfs: Increase legacy channel support to 12
MAINTAINERS: Make Mauro EDAC reviewer
MAINTAINERS: Make Manivannan Sadhasivam the maintainer of qcom_edac
EDAC/igen6: Return the correct error type when not the MC owner
apei/ghes: Use xchg_release() for updating new cache slot instead of cmpxchg()
EDAC: Check for GHES preference in the chipset-specific EDAC drivers
EDAC/ghes: Make ghes_edac a proper module
EDAC/ghes: Prepare to make ghes_edac a proper module
EDAC/ghes: Add a notifier for reporting memory errors
efi/cper: Export several helpers for ghes_edac to use
EDAC/i5000: Mark as BROKEN
- Update the ACPICA code in the kernel to the 20221020 upstream
version and fix a couple of issues in it:
* Make acpi_ex_load_op() match upstream implementation (Rafael
Wysocki).
* Add support for loong_arch-specific APICs in MADT (Huacai Chen).
* Add support for fixed PCIe wake event (Huacai Chen).
* Add EBDA pointer sanity checks (Vit Kabele).
* Avoid accessing VGA memory when EBDA < 1KiB (Vit Kabele).
* Add CCEL table support to both compiler/disassembler (Kuppuswamy
Sathyanarayanan).
* Add a couple of new UUIDs to the known UUID list (Bob Moore).
* Add support for FFH Opregion special context data (Sudeep Holla).
* Improve warning message for "invalid ACPI name" (Bob Moore).
* Add support for CXL 3.0 structures (CXIMS & RDPAS) in the CEDT
table (Alison Schofield).
* Prepare IORT support for revision E.e (Robin Murphy).
* Finish support for the CDAT table (Bob Moore).
* Fix error code path in acpi_ds_call_control_method() (Rafael
Wysocki).
* Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage() (Li
Zetao).
* Update the version of the ACPICA code in the kernel (Bob Moore).
- Use ZERO_PAGE(0) instead of empty_zero_page in the ACPI device
enumeration code (Giulio Benetti).
- Change the return type of the ACPI driver remove callback to void and
update its users accordingly (Dawei Li).
- Add general support for FFH address space type and implement the low-
level part of it for ARM64 (Sudeep Holla).
- Fix stale comments in the ACPI tables parsing code and make it print
more messages related to MADT (Hanjun Guo, Huacai Chen).
- Replace invocations of generic library functions with more kernel-
specific counterparts in the ACPI sysfs interface (Christophe JAILLET,
Xu Panda).
- Print full name paths of ACPI power resource objects during
enumeration (Kane Chen).
- Eliminate a compiler warning regarding a missing function prototype
in the ACPI power management code (Sudeep Holla).
- Fix and clean up the ACPI processor driver (Rafael Wysocki, Li Zhong,
Colin Ian King, Sudeep Holla).
- Add quirk for the HP Pavilion Gaming 15-cx0041ur to the ACPI EC
driver (Mia Kanashi).
- Add some mew ACPI backlight handling quirks and update some existing
ones (Hans de Goede).
- Make the ACPI backlight driver prefer the native backlight control
over vendor backlight control when possible (Hans de Goede).
- Drop unsetting ACPI APEI driver data on remove (Uwe Kleine-König).
- Use xchg_release() instead of cmpxchg() for updating new GHES cache
slots (Ard Biesheuvel).
- Clean up the ACPI APEI code (Sudeep Holla, Christophe JAILLET, Jay Lu).
- Add new I2C device enumeration quirks for Medion Lifetab S10346 and
Lenovo Yoga Tab 3 Pro (YT3-X90F) (Hans de Goede).
- Make the ACPI battery driver notify user space about adding new
battery hooks and removing the existing ones (Armin Wolf).
- Modify the pfr_update and pfr_telemetry drivers to use ACPI_FREE()
for freeing acpi_object structures to help diagnostics (Wang ShaoBo).
- Make the ACPI fan driver use sysfs_emit_at() in its sysfs interface
code (ye xingchen).
- Fix the _FIF package extraction failure handling in the ACPI fan
driver (Hanjun Guo).
- Fix the PCC mailbox handling error code path (Huisong Li).
- Avoid using PCC Opregions if there is no platform interrupt allocated
for this purpose (Huisong Li).
- Use sysfs_emit() instead of scnprintf() in the ACPI PAD driver and
CPPC library (ye xingchen).
- Fix some kernel-doc issues in the ACPI GSI processing code (Xiongfeng
Wang).
- Fix name memory leak in pnp_alloc_dev() (Yang Yingliang).
- Do not disable PNP devices on suspend when they cannot be re-enabled
on resume (Hans de Goede).
- Clean up the ACPI thermal driver a bit (Rafael Wysocki).
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Merge tag 'acpi-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and PNP updates from Rafael Wysocki:
"These include new code (for instance, support for the FFH address
space type and support for new firmware data structures in ACPICA),
some new quirks (mostly related to backlight handling and I2C
enumeration), a number of fixes and a fair amount of cleanups all
over.
Specifics:
- Update the ACPICA code in the kernel to the 20221020 upstream
version and fix a couple of issues in it:
- Make acpi_ex_load_op() match upstream implementation (Rafael
Wysocki)
- Add support for loong_arch-specific APICs in MADT (Huacai Chen)
- Add support for fixed PCIe wake event (Huacai Chen)
- Add EBDA pointer sanity checks (Vit Kabele)
- Avoid accessing VGA memory when EBDA < 1KiB (Vit Kabele)
- Add CCEL table support to both compiler/disassembler (Kuppuswamy
Sathyanarayanan)
- Add a couple of new UUIDs to the known UUID list (Bob Moore)
- Add support for FFH Opregion special context data (Sudeep
Holla)
- Improve warning message for "invalid ACPI name" (Bob Moore)
- Add support for CXL 3.0 structures (CXIMS & RDPAS) in the CEDT
table (Alison Schofield)
- Prepare IORT support for revision E.e (Robin Murphy)
- Finish support for the CDAT table (Bob Moore)
- Fix error code path in acpi_ds_call_control_method() (Rafael
Wysocki)
- Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage() (Li
Zetao)
- Update the version of the ACPICA code in the kernel (Bob Moore)
- Use ZERO_PAGE(0) instead of empty_zero_page in the ACPI device
enumeration code (Giulio Benetti)
- Change the return type of the ACPI driver remove callback to void
and update its users accordingly (Dawei Li)
- Add general support for FFH address space type and implement the
low- level part of it for ARM64 (Sudeep Holla)
- Fix stale comments in the ACPI tables parsing code and make it
print more messages related to MADT (Hanjun Guo, Huacai Chen)
- Replace invocations of generic library functions with more kernel-
specific counterparts in the ACPI sysfs interface (Christophe
JAILLET, Xu Panda)
- Print full name paths of ACPI power resource objects during
enumeration (Kane Chen)
- Eliminate a compiler warning regarding a missing function prototype
in the ACPI power management code (Sudeep Holla)
- Fix and clean up the ACPI processor driver (Rafael Wysocki, Li
Zhong, Colin Ian King, Sudeep Holla)
- Add quirk for the HP Pavilion Gaming 15-cx0041ur to the ACPI EC
driver (Mia Kanashi)
- Add some mew ACPI backlight handling quirks and update some
existing ones (Hans de Goede)
- Make the ACPI backlight driver prefer the native backlight control
over vendor backlight control when possible (Hans de Goede)
- Drop unsetting ACPI APEI driver data on remove (Uwe Kleine-König)
- Use xchg_release() instead of cmpxchg() for updating new GHES cache
slots (Ard Biesheuvel)
- Clean up the ACPI APEI code (Sudeep Holla, Christophe JAILLET, Jay
Lu)
- Add new I2C device enumeration quirks for Medion Lifetab S10346 and
Lenovo Yoga Tab 3 Pro (YT3-X90F) (Hans de Goede)
- Make the ACPI battery driver notify user space about adding new
battery hooks and removing the existing ones (Armin Wolf)
- Modify the pfr_update and pfr_telemetry drivers to use ACPI_FREE()
for freeing acpi_object structures to help diagnostics (Wang
ShaoBo)
- Make the ACPI fan driver use sysfs_emit_at() in its sysfs interface
code (ye xingchen)
- Fix the _FIF package extraction failure handling in the ACPI fan
driver (Hanjun Guo)
- Fix the PCC mailbox handling error code path (Huisong Li)
- Avoid using PCC Opregions if there is no platform interrupt
allocated for this purpose (Huisong Li)
- Use sysfs_emit() instead of scnprintf() in the ACPI PAD driver and
CPPC library (ye xingchen)
- Fix some kernel-doc issues in the ACPI GSI processing code
(Xiongfeng Wang)
- Fix name memory leak in pnp_alloc_dev() (Yang Yingliang)
- Do not disable PNP devices on suspend when they cannot be
re-enabled on resume (Hans de Goede)
- Clean up the ACPI thermal driver a bit (Rafael Wysocki)"
* tag 'acpi-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (67 commits)
ACPI: x86: Add skip i2c clients quirk for Medion Lifetab S10346
ACPI: APEI: EINJ: Refactor available_error_type_show()
ACPI: APEI: EINJ: Fix formatting errors
ACPI: processor: perflib: Adjust acpi_processor_notify_smm() return value
ACPI: processor: perflib: Rearrange acpi_processor_notify_smm()
ACPI: processor: perflib: Rearrange unregistration routine
ACPI: processor: perflib: Drop redundant parentheses
ACPI: processor: perflib: Adjust white space
ACPI: processor: idle: Drop unnecessary statements and parens
ACPI: thermal: Adjust critical.flags.valid check
ACPI: fan: Convert to use sysfs_emit_at() API
ACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()
ACPI: battery: Call power_supply_changed() when adding hooks
ACPI: use sysfs_emit() instead of scnprintf()
ACPI: x86: Add skip i2c clients quirk for Lenovo Yoga Tab 3 Pro (YT3-X90F)
ACPI: APEI: Remove a useless include
PNP: Do not disable devices on suspend when they cannot be re-enabled on resume
ACPI: processor: Silence missing prototype warnings
ACPI: processor_idle: Silence missing prototype warnings
ACPI: PM: Silence missing prototype warning
...
Highlights:
- Intel:
- PMC: Add support for Meteor Lake
- Intel On Demand: various updates
- ideapad-laptop:
- Add support for various Fn keys on new models
- Fix touchpad on/off handling in a generic way to avoid having
to add more and more quirks
- android-x86-tablets: Add support for 2 more X86 Android tablet models
- New Dell WMI DDV driver
- Miscellaneous cleanups and small bugfixes
The following is an automated git shortlog grouped by driver:
ACPI:
- battery: Pass battery hook pointer to hook callbacks
ISST:
- Fix typo in comments
Move existing HP drivers to a new hp subdir:
- Move existing HP drivers to a new hp subdir
dell:
- Add new dell-wmi-ddv driver
dell-ddv:
- Warn if ePPID has a suspicious length
- Improve buffer handling
huawei-wmi:
- remove unnecessary member
- fix return value calculation
- do not hard-code sizes
ideapad-laptop:
- Make touchpad_ctrl_via_ec a module option
- Stop writing VPCCMD_W_TOUCHPAD at probe time
- Send KEY_TOUCHPAD_TOGGLE on some models
- Only toggle ps2 aux port on/off on select models
- Do not send KEY_TOUCHPAD* events on probe / resume
- Refactor ideapad_sync_touchpad_state()
- support for more special keys in WMI
- Add new _CFG bit numbers for future use
- Revert "check for touchpad support in _CFG"
intel/pmc:
- Relocate Alder Lake PCH support
- Relocate Tiger Lake PCH support
- Relocate Ice Lake PCH support
- Relocate Cannon Lake Point PCH support
- Relocate Sunrise Point PCH support
- Move variable declarations and definitions to header and core.c
- Replace all the reg_map with init functions
intel/pmc/core:
- Add Meteor Lake support to pmc core driver
intel_scu_ipc:
- fix possible name leak in __intel_scu_ipc_register()
mxm-wmi:
- fix memleak in mxm_wmi_call_mx[ds|mx]()
platform/mellanox:
- mlxbf-pmc: Fix event typo
- Add BlueField-3 support in the tmfifo driver
platform/x86/amd:
- pmc: Add a workaround for an s0i3 issue on Cezanne
platform/x86/amd/pmf:
- pass the struct by reference
platform/x86/dell:
- alienware-wmi: Use sysfs_emit() instead of scnprintf()
platform/x86/intel:
- pmc: Fix repeated word in comment
platform/x86/intel/hid:
- Add module-params for 5 button array + SW_TABLET_MODE reporting
platform/x86/intel/sdsi:
- Add meter certificate support
- Support different GUIDs
- Hide attributes if hardware doesn't support
- Add Intel On Demand text
sony-laptop:
- Convert to use sysfs_emit_at() API
thinkpad_acpi:
- use strstarts()
- Fix max_brightness of thinklight
tools/arch/x86:
- intel_sdsi: Add support for reading meter certificates
- intel_sdsi: Add support for new GUID
- intel_sdsi: Read more On Demand registers
- intel_sdsi: Add Intel On Demand text
- intel_sdsi: Add support for reading state certificates
uv_sysfs:
- Use sysfs_emit() instead of scnprintf()
wireless-hotkey:
- use ACPI HID as phys
x86-android-tablets:
- Add Advantech MICA-071 extra button
- Add Lenovo Yoga Tab 3 (YT3-X90F) charger + fuel-gauge data
- Add Medion Lifetab S10346 data
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Merge tag 'platform-drivers-x86-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
- Intel:
- PMC: Add support for Meteor Lake
- Intel On Demand: various updates
- Ideapad-laptop:
- Add support for various Fn keys on new models
- Fix touchpad on/off handling in a generic way to avoid having to
add more and more quirks
- Android x86 tablets:
- Add support for two more X86 Android tablet models
- New Dell WMI DDV driver
- Miscellaneous cleanups and small bugfixes
* tag 'platform-drivers-x86-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (52 commits)
platform/mellanox: mlxbf-pmc: Fix event typo
platform/x86: intel_scu_ipc: fix possible name leak in __intel_scu_ipc_register()
platform/x86: sony-laptop: Convert to use sysfs_emit_at() API
platform/x86/dell: alienware-wmi: Use sysfs_emit() instead of scnprintf()
platform/x86: uv_sysfs: Use sysfs_emit() instead of scnprintf()
platform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]()
platform/x86: x86-android-tablets: Add Advantech MICA-071 extra button
platform/x86: x86-android-tablets: Add Lenovo Yoga Tab 3 (YT3-X90F) charger + fuel-gauge data
platform/x86: x86-android-tablets: Add Medion Lifetab S10346 data
platform/x86: wireless-hotkey: use ACPI HID as phys
platform/x86/intel/hid: Add module-params for 5 button array + SW_TABLET_MODE reporting
platform/x86: ideapad-laptop: Make touchpad_ctrl_via_ec a module option
platform/x86: ideapad-laptop: Stop writing VPCCMD_W_TOUCHPAD at probe time
platform/x86: ideapad-laptop: Send KEY_TOUCHPAD_TOGGLE on some models
platform/x86: ideapad-laptop: Only toggle ps2 aux port on/off on select models
platform/x86: ideapad-laptop: Do not send KEY_TOUCHPAD* events on probe / resume
platform/x86: ideapad-laptop: Refactor ideapad_sync_touchpad_state()
tools/arch/x86: intel_sdsi: Add support for reading meter certificates
tools/arch/x86: intel_sdsi: Add support for new GUID
tools/arch/x86: intel_sdsi: Read more On Demand registers
...
Make ACPI power management changes, ACPI processor driver updates, ACPI
EC driver quirk and ACPI backlight driver updates for 6.2-rc1:
- Print full name paths of ACPI power resources objects during
enumeration (Kane Chen).
- Eliminate a compiler warning regarding a missing function prototype
in the ACPI power management code (Sudeep Holla).
- Fix and clean up the ACPI processor driver (Rafael Wysocki, Li Zhong,
Colin Ian King, Sudeep Holla).
- Add quirk for the HP Pavilion Gaming 15-cx0041ur to the ACPI EC
driver (Mia Kanashi).
- Add some mew ACPI backlight handling quirks and update some existing
ones (Hans de Goede).
- Make the ACPI backlight driver prefer the native backlight control
over vendor backlight control when possible (Hans de Goede).
* acpi-pm:
ACPI: PM: Silence missing prototype warning
ACPI: PM: Print full name path while adding power resource
* acpi-processor:
ACPI: processor: perflib: Adjust acpi_processor_notify_smm() return value
ACPI: processor: perflib: Rearrange acpi_processor_notify_smm()
ACPI: processor: perflib: Rearrange unregistration routine
ACPI: processor: perflib: Drop redundant parentheses
ACPI: processor: perflib: Adjust white space
ACPI: processor: idle: Drop unnecessary statements and parens
ACPI: processor: Silence missing prototype warnings
ACPI: processor_idle: Silence missing prototype warnings
ACPI: processor: throttling: remove variable count
ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value
* acpi-ec:
ACPI: EC: Add quirk for the HP Pavilion Gaming 15-cx0041ur
* acpi-video:
ACPI: video: Prefer native over vendor
ACPI: video: Simplify __acpi_video_get_backlight_type()
ACPI: video: Add force_native quirk for Sony Vaio VPCY11S1E
ACPI: video: Add force_vendor quirk for Sony Vaio PCG-FRV35
ACPI: video: Change Sony Vaio VPCEH3U1E quirk to force_native
ACPI: video: Change GIGABYTE GB-BXBT-2807 quirk to force_none
ACPI: video: Add a few bugtracker links to DMI quirks
Merge ACPI changes related to device enumeration, device object
managenet, operation region handling, table parsing and sysfs
interface:
- Use ZERO_PAGE(0) instead of empty_zero_page in the ACPI device
enumeration code (Giulio Benetti).
- Change the return type of the ACPI driver remove callback to void and
update its users accordingly (Dawei Li).
- Add general support for FFH address space type and implement the low-
level part of it for ARM64 (Sudeep Holla).
- Fix stale comments in the ACPI tables parsing code and make it print
more messages related to MADT (Hanjun Guo, Huacai Chen).
- Replace invocations of generic library functions with more kernel-
specific counterparts in the ACPI sysfs interface (Christophe JAILLET,
Xu Panda).
* acpi-scan:
ACPI: scan: substitute empty_zero_page with helper ZERO_PAGE(0)
* acpi-bus:
ACPI: FFH: Silence missing prototype warnings
ACPI: make remove callback of ACPI driver void
ACPI: bus: Fix the _OSC capability check for FFH OpRegion
arm64: Add architecture specific ACPI FFH Opregion callbacks
ACPI: Implement a generic FFH Opregion handler
* acpi-tables:
ACPI: tables: Fix the stale comments for acpi_locate_initial_tables()
ACPI: tables: Print CORE_PIC information when MADT is parsed
* acpi-sysfs:
ACPI: sysfs: use sysfs_emit() to instead of scnprintf()
ACPI: sysfs: Use kstrtobool() instead of strtobool()
Silence the following warnings when built with W=1:
| CC drivers/acpi/acpi_processor.c
| warning: no previous prototype for 'arch_register_cpu' [-Wmissing-prototypes]
| int __weak arch_register_cpu(int cpu)
| ^
| CC drivers/acpi/acpi_processor.c
| warning: no previous prototype for 'arch_unregister_cpu' [-Wmissing-prototypes]
| void __weak arch_unregister_cpu(int cpu) {}
| ^
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Silence the following warnings when built with W=1:
| CC drivers/acpi/processor_idle.c
| warning: no previous prototype for 'acpi_processor_ffh_lpi_probe' [-Wmissing-prototypes]
| int __weak acpi_processor_ffh_lpi_probe(unsigned int cpu)
| ^
| CC drivers/acpi/processor_idle.c
| warning: no previous prototype for 'acpi_processor_ffh_lpi_enter' [-Wmissing-prototypes]
| int __weak acpi_processor_ffh_lpi_enter(struct acpi_lpi_state *lpi)
| ^
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
For bus-based driver, device removal is implemented as:
1 device_remove()->
2 bus->remove()->
3 driver->remove()
Driver core needs no inform from callee(bus driver) about the
result of remove callback. In that case, commit fc7a6209d5
("bus: Make remove callback return void") forces bus_type::remove
be void-returned.
Now we have the situation that both 1 & 2 of calling chain are
void-returned, so it does not make much sense for 3(driver->remove)
to return non-void to its caller.
So the basic idea behind this change is making remove() callback of
any bus-based driver to be void-returned.
This change, for itself, is for device drivers based on acpi-bus.
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Lee Jones <lee@kernel.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dawei Li <set_pte_at@outlook.com>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> # for drivers/platform/surface/*
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Right now, is impossible for battery hook callbacks
to access instance-specific data, forcing most drivers
to provide some sort of global state. This however is
difficult for drivers which can be instantiated multiple
times and/or are hotplug-capable.
Pass a pointer to the battery hook to those callbacks
for usage with container_of().
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20220927204521.601887-2-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
ACPICA commit 28fc163aa29e208678d901d98bb9030b775521b3
Version 20221020.
Link: https://github.com/acpica/acpica/commit/28fc163a
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 8ac4e5116f59d6f9ba2fbeb9ce22ab58237a278f
Finish support for the CDAT table, in both the data table compiler and
the disassembler.
Link: https://github.com/acpica/acpica/commit/8ac4e511
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 54b54732c5fc9e0384bcfd531f3c10d3a7b628b5
The latest IORT update makes one small addition to SMMUv3 nodes to
describe MSI support independently of wired GSIV support.
Link: https://github.com/acpica/acpica/commit/54b54732
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 2d8dc0383d3c908389053afbdc329bbd52f009ce
The CXL 3.0 Specification [1] adds two new structures to
the CXL Early Discovery Table (CEDT). The CEDT may include
zero or more entries of these types:
CXIMS: CXL XOR Interleave Math Structure
Enables the host to find a targets position in an
Interleave Target List when XOR Math is used.
RDPAS: RCEC Downstream Post Association Structure
Enables the host to locate the Downstream Port(s)
that report errors to a given Root Complex Event
Collector (RCEC).
Link: https://www.computeexpresslink.org/spec-landing # [1]
Link: https://github.com/acpica/acpica/commit/2d8dc038
Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit fad527b6e76babc7527c41325bfbef6bd1a1132b
FFH(Fixed Function Hardware) Opregion is approved to be added in ACPI 6.5 via
code first approach [1]. It requires special context data similar to GPIO and
Generic Serial Bus as it needs to know platform specific offset and length.
Add support for the special context data needed by FFH Opregion.
FFH op_region enables advanced use of FFH on some architectures. For example,
it could be used to easily proxy AML code to architecture-specific behavior
(to ensure it is OS initiated)
Actual behavior of FFH is ofcourse architecture specific and depends on
the FFH bindings. The offset and length could have arch specific meaning
or usage.
Link: https://bugzilla.tianocore.org/show_bug.cgi?id=3598 # [1]
Link: https://github.com/acpica/acpica/commit/fad527b6
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 2176a750230d5e81b4bedf24ef296da0cd0d7bb3
Link: https://github.com/acpica/acpica/commit/2176a750
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 10e4763f155eac0c60295a7e364b0316fc52c4f1
Link: https://github.com/acpica/acpica/commit/10e4763f
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 32d875705c8ee8f99fd8b78dbed48633486a7640
Some chipsets (such as Loongson's LS7A) support fixed pcie wake event
which is defined in the PM1 block(related description can be found in
4.8.4.1.1 PM1 Status Registers, 4.8.4.2.1 PM1 Control Registers and
5.2.9 Fixed ACPI Description Table (FADT)), so we add code to handle it.
Link: https://uefi.org/specifications/ACPI/6.4/
Link: https://github.com/acpica/acpica/commit/32d87570
Co-developed-by: Jianmin Lv <lvjianmin@loongson.cn>
Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 1dc530059a3e6202e941e6a9478cf30f092bfb47
loong_arch-specific interrupt controllers (similar to APIC) are added
in the next revision of ACPI Specification (current revision is 6.4),
which including CORE_PIC (CPUINTC), LIO_PIC (LIOINTC), EIO_PIC (EIOINTC),
HT_PIC (HTVECINTC), BIO_PIC (PCHINTC), LPC_PIC (PCHLPC) and MSI_PIC
(PCHMSI). This patch add their definition.
ACPI changes of loong_arch-specific interrupt controllers have already
been approved in the ECRs, and will be public in the next revision of
ACPI Specification.
Link: https://github.com/acpica/acpica/commit/1dc53005
Link: https://mantis.uefi.org/mantis/view.php?id=2203
Link: https://mantis.uefi.org/mantis/view.php?id=2313
Co-developed-by: Jianmin Lv <lvjianmin@loongson.cn>
Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit
dc4e8c07e9 ("ACPI: APEI: explicit init of HEST and GHES in apci_init()")
introduced a bug leading to ghes_edac_register() to be invoked before
edac_init(). Because at that time the bus "edac" hadn't been even
registered, this created sysfs nodes as /devices/mc0 instead of
/sys/devices/system/edac/mc/mc0 on an Ampere eMag server.
Fix this by turning ghes_edac into a proper module.
The list of GHES devices returned is not protected from being modified
concurrently but it is pretty static as it gets created only during GHES
init and latter is not a module so...
[ bp: Massage. ]
Fixes: dc4e8c07e9 ("ACPI: APEI: explicit init of HEST and GHES in apci_init()")
Co-developed-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Jia He <justin.he@arm.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20221010023559.69655-5-justin.he@arm.com
To make ghes_edac a proper module, prepare to decouple its dependencies
from GHES.
Move the ghes_edac.force_load parameter to ghes.c in order to
properly control whether ghes_edac should be force-loaded: In
ghes_edac_register() it is too late to set the module flag.
Introduce a helper ghes_get_devices(), which returns the list of GHES
devices which got probed when the platform-check passes on the system.
The previous force_load check is not needed in ghes_edac_unregister()
since it will be checked in the module's init function of ghes_edac
later.
[ bp: Massage. ]
Suggested-by: Toshi Kani <toshi.kani@hpe.com>
Suggested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Jia He <justin.he@arm.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20221010023559.69655-4-justin.he@arm.com
In order to make it a proper module and disentangle it from facilities,
add a notifier for reporting memory errors. Use an atomic notifier
because calls sites like ghes_proc_in_irq() run in interrupt context.
[ bp: Massage commit message. ]
Suggested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Jia He <justin.he@arm.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20221010023559.69655-3-justin.he@arm.com
Highlights:
- AMD Platform Management Framework (PMF) driver with AMT and QnQF support
- AMD PMC: Improved logging for debugging s2idle issues
- Big refactor of the ACPI/x86 backlight handling, ensuring that we only
register 1 /sys/class/backlight device per LCD panel
- Microsoft Surface:
- Surface Laptop Go 2 support
- Surface Pro 8 HID sensor support
- Asus WMI:
- Lots of cleanups
- Support for TUF RGB keyboard backlight control
- Add support for ROG X13 tablet mode
- Siemens Simatic: IPC227G and IPC427G support
- Toshiba ACPI laptop driver: Fan hwmon and battery ECO mode support
- tools/power/x86/intel-speed-select: Various improvements
- Various cleanups
- Various small bugfixes
The following is an automated git shortlog grouped by driver:
ACPI:
- video: Change disable_backlight_sysfs_if quirks to acpi_backlight=native
- s2idle: Add a new ->check() callback for platform_s2idle_ops
- video: Fix indentation of video_detect_dmi_table[] entries
- video: Drop NL5x?U, PF4NU1F and PF5?U?? acpi_backlight=native quirks
- video: Drop "Samsung X360" acpi_backlight=native quirk
- video: Remove acpi_video_set_dmi_backlight_type()
- video: Add Apple GMUX brightness control detection
- video: Add Nvidia WMI EC brightness control detection (v3)
- video: Refactor acpi_video_get_backlight_type() a bit
- video: Remove code to unregister acpi_video backlight when a native backlight registers
- video: Make backlight class device registration a separate step (v2)
- video: Simplify acpi_video_unregister_backlight()
- video: Remove acpi_video_bus from list before tearing it down
- video: Drop backlight_device_get_by_type() call from acpi_video_get_backlight_type()
- video: Add acpi_video_backlight_use_native() helper
acer-wmi:
- Move backlight DMI quirks to acpi/video_detect.c
- Acer Aspire One AOD270/Packard Bell Dot keymap fixes
apple-gmux:
- Stop calling acpi/video.h functions
asus-wmi:
- Expand support of GPU fan to read RPM and label
- Make kbd_rgb_mode_groups static
- Move acpi_backlight=native quirks to ACPI video_detect.c
- Move acpi_backlight=vendor quirks to ACPI video_detect.c
- Drop DMI chassis-type check from backlight handling
- Increase FAN_CURVE_BUF_LEN to 32
- Fix the name of the mic-mute LED classdev
- Implement TUF laptop keyboard power states
- Implement TUF laptop keyboard LED modes
- Support the GPU fan on TUF laptops
- Modify behaviour of Fn+F5 fan key
- Update tablet_mode_sw module-param help text
- Simplify tablet-mode-switch handling
- Simplify tablet-mode-switch probing
- Add support for ROG X13 tablet mode
- Adjust tablet/lidflip handling to use enum
- Support the hardware GPU MUX on some laptops
- Simplify some of the *_check_present() helpers
- Refactor panel_od attribute
- Refactor egpu_enable attribute
- Refactor disable_gpu attribute
- Document the panel_od sysfs attribute
- Document the egpu_enable sysfs attribute
- Document the dgpu_disable sysfs attribute
- Use kobj_to_dev()
- Convert all attr-show to use sysfs_emit
compal-laptop:
- Get rid of a few forward declarations
dell-privacy:
- convert to use dev_groups
dell-smbios-base:
- Use sysfs_emit()
dell-wmi:
- Add WMI event 0x0012 0x0003 to the list
docs:
- ABI: charge_control_end_threshold may not support all values
drivers/platform:
- toshiba_acpi: Call HCI_PANEL_POWER_ON on resume on some models
drm/amdgpu:
- Register ACPI video backlight when skipping amdgpu backlight registration
- Don't register backlight when another backlight should be used (v3)
drm/i915:
- Call acpi_video_register_backlight() (v3)
- Don't register backlight when another backlight should be used (v2)
drm/nouveau:
- Register ACPI video backlight when nv_backlight registration fails (v2)
- Don't register backlight when another backlight should be used (v2)
drm/radeon:
- Register ACPI video backlight when skipping radeon backlight registration
- Don't register backlight when another backlight should be used (v3)
drm/todo:
- Add entry about dealing with brightness control on devices with > 1 panel
gpio-f7188x:
- use unique labels for banks/chips
- Add GPIO support for Nuvoton NCT6116
- add a prefix to macros to keep gpio namespace clean
- switch over to using pr_fmt
hp-wmi:
- Support touchpad on/off
- Setting thermal profile fails with 0x06
int3472/discrete:
- Drop a forward declaration
intel-uncore-freq:
- Use sysfs_emit() to instead of scnprintf()
intel_cht_int33fe:
- Fix comment according to the code flow
leds:
- simatic-ipc-leds-gpio: Make simatic_ipc_led_gpio_table static
- simatic-ipc-leds-gpio: add new model 227G
move from strlcpy with unused retval to strscpy:
- move from strlcpy with unused retval to strscpy
msi-laptop:
- Change DMI match / alias strings to fix module autoloading
- Add msi_scm_disable_hw_fn_handling() helper
- Add msi_scm_model_exit() helper
- Fix resource cleanup
- Simplify ec_delay handling
- Fix old-ec check for backlight registering
- Drop MSI_DRIVER_VERSION
- Use MODULE_DEVICE_TABLE()
nvidia-wmi-ec-backlight:
- Use acpi_video_get_backlight_type()
- Move fw interface definitions to a header (v2)
p2sb:
- Fix UAF when caller uses resource name
platform/mellanox:
- mlxreg-lc: Make error handling flow consistent
- Remove redundant 'NULL' check
- Remove unnecessary code
- mlxreg-lc: Fix locking issue
- mlxreg-lc: Fix coverity warning
platform/surface:
- Split memcpy() of struct ssam_event flexible array
- aggregator_registry: Add HID devices for sensors and UCSI client to SP8
- aggregator_registry: Rename HID device nodes based on new findings
- aggregator_registry: Rename HID device nodes based on their function
- aggregator_registry: Add support for Surface Laptop Go 2
platform/x86:
- use PLATFORM_DEVID_NONE instead of -1
platform/x86/amd:
- pmc: Dump idle mask during "check" stage instead
- pmc: remove CONFIG_DEBUG_FS checks
- pmc: Fix build without debugfs
- pmc: Add sysfs files for SMU
- pmc: Add an extra STB message for checking s2idle entry
- pmc: Always write to the STB
- pmc: Add defines for STB events
platform/x86/amd/pmf:
- Remove unused power_delta instances
- install notify handler after acpi init
- Add sysfs to toggle CnQF
- Add support for CnQF
- Fix clang unused variable warning
- Fix undefined reference to platform_profile
- Force load driver on older supported platforms
- Handle AMT and CQL events for Auto mode
- Add support for Auto mode feature
- Get performance metrics from PMFW
- Add fan control support
- Add heartbeat signal support
- Add debugfs information
- Add support SPS PMF feature
- Add support for PMF APCI layer
- Add support for PMF core layer
- Add ABI doc for AMD PMF
- Add AMD PMF driver entry
platform/x86/intel/wmi:
- thunderbolt: Use dev_groups callback
pmc_atom:
- Amend comment style and grammar
- Make terminator entry uniform
- Improve quirk message to be less cryptic
- Fix SLP_TYPx bitfield mask
samsung-laptop:
- Move acpi_backlight=[vendor|native] quirks to ACPI video_detect.c
simatic-ipc:
- add new model 427G
- enable watchdog for 227G
thinkpad_acpi:
- Explicitly set to balanced mode on startup
tools/power/x86/intel-speed-select:
- Release v1.13
- Optimize CPU initialization
- Utilize cpu_map to get physical id
- Remove unused struct clos_config fields
- Enforce isst_id value
- Do not export get_physical_id
- Introduce is_cpu_in_power_domain helper
- Cleanup get_physical_id usage
- Convert more function to use isst_id
- Add pkg and die in isst_id
- Introduce struct isst_id
- Remove unused core_mask array
- Remove dead code
- Fix cpu count for TDP level display
toshiba_acpi:
- change turn_on_panel_on_resume to static
- Remove duplicate include
- Set correct parent for input device.
- Add fan RPM reading (hwmon interface)
- Add fan RPM reading (internals)
- Stop using acpi_video_set_dmi_backlight_type()
- Fix ECO LED control on Toshiba Z830
- Battery charge mode in toshiba_acpi (internals)
- Battery charge mode in toshiba_acpi (sysfs)
wmi:
- Drop forward declaration of static functions
- Allow duplicate GUIDs for drivers that use struct wmi_driver
x86-android-tablets:
- Fix broken touchscreen on Chuwi Hi8 with Windows BIOS
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Merge tag 'platform-drivers-x86-v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
- AMD Platform Management Framework (PMF) driver with AMT and QnQF
support
- AMD PMC: Improved logging for debugging s2idle issues
- Big refactor of the ACPI/x86 backlight handling, ensuring that we
only register 1 /sys/class/backlight device per LCD panel
- Microsoft Surface:
- Surface Laptop Go 2 support
- Surface Pro 8 HID sensor support
- Asus WMI:
- Lots of cleanups
- Support for TUF RGB keyboard backlight control
- Add support for ROG X13 tablet mode
- Siemens Simatic: IPC227G and IPC427G support
- Toshiba ACPI laptop driver: Fan hwmon and battery ECO mode support
- tools/power/x86/intel-speed-select: Various improvements
- Various cleanups
- Various small bugfixes
* tag 'platform-drivers-x86-v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (153 commits)
platform/x86: use PLATFORM_DEVID_NONE instead of -1
platform/x86/amd: pmc: Dump idle mask during "check" stage instead
platform/x86/intel/wmi: thunderbolt: Use dev_groups callback
platform/x86/amd: pmc: remove CONFIG_DEBUG_FS checks
platform/surface: Split memcpy() of struct ssam_event flexible array
platform/x86: compal-laptop: Get rid of a few forward declarations
platform/x86: intel-uncore-freq: Use sysfs_emit() to instead of scnprintf()
platform/x86: dell-smbios-base: Use sysfs_emit()
platform/x86/amd/pmf: Remove unused power_delta instances
platform/x86/amd/pmf: install notify handler after acpi init
Documentation/ABI/testing/sysfs-amd-pmf: Add ABI doc for AMD PMF
platform/x86/amd/pmf: Add sysfs to toggle CnQF
platform/x86/amd/pmf: Add support for CnQF
platform/x86/amd: pmc: Fix build without debugfs
platform/x86: hp-wmi: Support touchpad on/off
platform/x86: int3472/discrete: Drop a forward declaration
platform/x86: toshiba_acpi: change turn_on_panel_on_resume to static
platform/x86: wmi: Drop forward declaration of static functions
platform/x86: toshiba_acpi: Remove duplicate include
platform/x86: msi-laptop: Change DMI match / alias strings to fix module autoloading
...
Merge ACPI _UID handling unification changes for 6.1-rc1:
- Introduce acpi_dev_uid_to_integer() to convert a _UID string into an
integer value (Andy Shevchenko).
- Use acpi_dev_uid_to_integer() in several places to unify _UID
handling (Andy Shevchenko).
* acpi-uid:
efi/dev-path-parser: Refactor _UID handling to use acpi_dev_uid_to_integer()
spi: pxa2xx: Refactor _UID handling to use acpi_dev_uid_to_integer()
perf: qcom_l2_pmu: Refactor _UID handling to use acpi_dev_uid_to_integer()
i2c: mlxbf: Refactor _UID handling to use acpi_dev_uid_to_integer()
i2c: amd-mp2-plat: Refactor _UID handling to use acpi_dev_uid_to_integer()
ACPI: x86: Refactor _UID handling to use acpi_dev_uid_to_integer()
ACPI: LPSS: Refactor _UID handling to use acpi_dev_uid_to_integer()
ACPI: utils: Add acpi_dev_uid_to_integer() helper to get _UID as integer
Merge new material related to CPPC, PCC, APEI and OSI strings handling
for 6.1-rc1:
- Disable frequency invariance in the CPPC library if registers used
by cppc_get_perf_ctrs() are accessed via PCC (Jeremy Linton).
- Add ACPI disabled check to acpi_cpc_valid() (Perry Yuan).
- Fix Tx acknowledge in the PCC address space handler (Huisong Li).
- Use wait_for_completion_timeout() for PCC mailbox operations (Huisong
Li).
- Release resources on PCC address space setup failure path (Rafael
Mendonca).
- Remove unneeded result variables from APEI code (ye xingchen).
- Print total number of records found during BERT log parsing (Dmitry
Monakhov).
- Drop support for 3 _OSI strings that should not be necessary any
more and update documentation on custom _OSI strings so that adding
new ones is not encouraged any more (Mario Limonciello).
* acpi-cppc:
ACPI: CPPC: Disable FIE if registers in PCC regions
ACPI: CPPC: Add ACPI disabled check to acpi_cpc_valid()
* acpi-pcc:
ACPI: PCC: Fix Tx acknowledge in the PCC address space handler
ACPI: PCC: replace wait_for_completion()
ACPI: PCC: Release resources on address space setup failure path
* acpi-apei:
ACPI: APEI: Remove unneeded result variables
ACPI: APEI: Add BERT error log footer
* acpi-osi:
ACPI: OSI: Update Documentation on custom _OSI strings
ACPI: OSI: Remove Linux-HPI-Hybrid-Graphics _OSI string
ACPI: OSI: Remove Linux-Lenovo-NV-HDMI-Audio _OSI string
ACPI: OSI: Remove Linux-Dell-Video _OSI string
Merge changes related to ACPI device enumeration and ACPI support for
platform devices for 6.1-rc1:
- Clean up ACPI platform devices support code (Andy Shevchenko, John
Garry).
- Clean up ACPI bus management code (Andy Shevchenko, ye xingchen).
- Add support for multiple DMA windows with different offsets to the
ACPI device enumeration code and use it on LoongArch (Jianmin Lv).
* acpi-scan:
LoongArch: Use acpi_arch_dma_setup() and remove ARCH_HAS_PHYS_TO_DMA
ACPI: scan: Support multiple DMA windows with different offsets
* acpi-bus:
ACPI: bus: Refactor ACPI matching functions for better readability
ACPI: bus: Drop kernel doc annotation from acpi_bus_notify()
ACPI: bus: Remove the unneeded result variable
* acpi-platform:
ACPI: platform: Use PLATFORM_DEVID_NONE in acpi_create_platform_device()
ACPI: platform: Sort forbidden_id_list[] in ascending order
ACPI: platform: Use sizeof(*pointer) instead of sizeof(type)
ACPI: platform: Remove redundant print on -ENOMEM
ACPI: platform: Get rid of redundant 'else'
Add a helper macro to iterate over ACPI devices that are flagged
as consumers of an initial supplier ACPI device.
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
In commit b83e2b3067 ("ACPI: scan: Add function to fetch dependent
of ACPI device") we added a means of fetching the first device to
declare itself dependent on another ACPI device in the _DEP method.
One assumption in that patch was that there would only be a single
consuming device, but this has not held.
Replace that function with a new function that fetches the next consumer
of a supplier device. Where no "previous" consumer is passed in, it
behaves identically to the original function.
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
PCC regions utilize a mailbox to set/retrieve register values used by
the CPPC code. This is fine as long as the operations are
infrequent. With the FIE code enabled though the overhead can range
from 2-11% of system CPU overhead (ex: as measured by top) on Arm
based machines.
So, before enabling FIE assure none of the registers used by
cppc_get_perf_ctrs() are in the PCC region. Finally, add a module
parameter which can override the PCC region detection at boot or
module reload.
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Ionela Voinescu <ionela.voinescu@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
In DT systems configurations, of_dma_get_range() returns struct
bus_dma_region DMA regions; they are used to set-up devices
DMA windows with different offset available for translation between DMA
address and CPU address.
In ACPI systems configuration, acpi_dma_get_range() does not return
DMA regions yet and that precludes setting up the dev->dma_range_map
pointer and therefore DMA regions with multiple offsets.
Update acpi_dma_get_range() to return struct bus_dma_region
DMA regions like of_dma_get_range() does.
After updating acpi_dma_get_range(), acpi_arch_dma_setup() is changed for
ARM64, where the original dma_addr and size are removed as these
arguments are now redundant, and pass 0 and U64_MAX for dma_base
and size of arch_setup_dma_ops; this is a simplification consistent
with what other ACPI architectures also pass to iommu_setup_dma_ops().
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn>
Reviewed-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Some users interpret _UID only as integer and for them it's easier to
have an integer representation of _UID. Add respective helper for that.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
acpi_video_set_dmi_backlight_type() is troublesome because it may end
up getting called after other backlight drivers have already called
acpi_video_get_backlight_type() resulting in the other drivers
already being registered even though they should not.
In case of the acpi_video backlight, acpi_video_set_dmi_backlight_type()
actually calls acpi_video_unregister_backlight() since that is often
probed earlier, leading to userspace seeing the acpi_video0 class
device being briefly available, leading to races in userspace where
udev probe-rules try to access the device and it is already gone.
All callers have been fixed to no longer call it, so remove
acpi_video_set_dmi_backlight_type() now.
This means we now also no longer need acpi_video_unregister_backlight()
for the remove acpi_video backlight after it was wrongly registered hack,
so remove that too.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
On Apple laptops with an Apple GMUX using this for brightness control,
should take precedence of any other brightness control methods.
Add apple-gmux detection to acpi_video_get_backlight_type() using
the already existing apple_gmux_present() helper function.
This will allow removig the (ab)use of:
acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
Inside the apple-gmux driver.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
On some new laptop designs a new Nvidia specific WMI interface is present
which gives info about panel brightness control and may allow controlling
the brightness through this interface when the embedded controller is used
for brightness control.
When this WMI interface is present and indicates that the EC is used,
then this interface should be used for brightness control.
Changes in v2:
- Use the new shared nvidia-wmi-ec-backlight.h header for the
WMI firmware API definitions
- ACPI_VIDEO can now be enabled on non X86 too,
adjust the Kconfig changes to match this.
Changes in v3:
- Use WMI_BRIGHTNESS_GUID define
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Daniel Dadap <ddadap@nvidia.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
On x86/ACPI boards the acpi_video driver will usually initialize before
the kms driver (except i915). This causes /sys/class/backlight/acpi_video0
to show up and then the kms driver registers its own native backlight
device after which the drivers/acpi/video_detect.c code unregisters
the acpi_video0 device (when acpi_video_get_backlight_type()==native).
This means that userspace briefly sees 2 devices and the disappearing of
acpi_video0 after a brief time confuses the systemd backlight level
save/restore code, see e.g.:
https://bbs.archlinux.org/viewtopic.php?id=269920
To fix this make backlight class device registration a separate step
done by a new acpi_video_register_backlight() function. The intend is for
this to be called by the drm/kms driver *after* it is done setting up its
own native backlight device. So that acpi_video_get_backlight_type() knows
if a native backlight will be available or not at acpi_video backlight
registration time, avoiding the add + remove dance.
Note the new acpi_video_register_backlight() function is also called from
a delayed work to ensure that the acpi_video backlight devices does get
registered if necessary even if there is no drm/kms driver or when it is
disabled.
Changes in v2:
- Make register_backlight_delay a module parameter, mainly so that it can
be disabled by Nvidia binary driver users
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Because acpi_dev_parent() is defined as static inline, the extra
header of it in acpi_bus.h is redundant, so drop it.
Fixes: 62fcb99bdf ("ACPI: Drop parent field from struct acpi_device")
Reported-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
The parent field in struct acpi_device is, in fact, redundant,
because the dev.parent field in it effectively points to the same
object and it is used by the driver core.
Accordingly, the parent field can be dropped from struct acpi_device
and for this purpose define acpi_dev_parent() to retrieve a parent
struct acpi_device pointer from the dev.parent field in struct
acpi_device. Next, update all of the users of the parent field
in struct acpi_device to use acpi_dev_parent() instead of it and
drop it.
While at it, drop the ACPI_IS_ROOT_DEVICE() macro that is only used
in one place in a confusing way.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Wei Liu <wei.liu@kernel.org>
Reviewed-by: Punit Agrawal <punit.agrawal@bytedance.com>
Because acpi_bus_get_acpi_device() is completely analogous to
acpi_fetch_acpi_dev(), rename it to acpi_get_acpi_dev() and
add a kerneldoc comment to it.
Accordingly, rename acpi_bus_put_acpi_device() to acpi_put_acpi_dev()
and update all of the users of these two functions.
While at it, move the acpi_fetch_acpi_dev() header next to the
acpi_get_acpi_dev() header in the header file holding them.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Punit Agrawal <punit.agrawal@bytedance.com>
ATM on x86 laptops where we want userspace to use the acpi_video backlight
device we often register both the GPU's native backlight device and
acpi_video's firmware acpi_video# backlight device. This relies on
userspace preferring firmware type backlight devices over native ones, but
registering 2 backlight devices for a single display really is undesirable.
On x86 laptops where the native GPU backlight device should be used,
the registering of other backlight devices is avoided by their drivers
using acpi_video_get_backlight_type() and only registering their backlight
if the return value matches their type.
acpi_video_get_backlight_type() uses
backlight_device_get_by_type(BACKLIGHT_RAW) to determine if a native
driver is available and will never return native if this returns
false. This means that the GPU's native backlight registering code
cannot just call acpi_video_get_backlight_type() to determine if it
should register its backlight, since acpi_video_get_backlight_type() will
never return native until the native backlight has already registered.
To fix this add a new internal native function parameter to
acpi_video_get_backlight_type(), which when set to true will make
acpi_video_get_backlight_type() behave as if a native backlight has
already been registered.
And add a new acpi_video_backlight_use_native() helper, which sets this
to true, for use in native GPU backlight code.
Changes in v2:
- Replace adding a native parameter to acpi_video_get_backlight_type() with
adding a new acpi_video_backlight_use_native() helper.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Merge changes adding support for device properties with buffer values
to the ACPI device properties handling code.
* acpi-properties:
ACPI: property: Fix error handling in acpi_init_properties()
ACPI: property: Read buffer properties as integers
ACPI: property: Add support for parsing buffer property UUID
ACPI: property: Unify integer value reading functions
ACPI: property: Switch node property referencing from ifs to a switch
ACPI: property: Move property ref argument parsing into a new function
ACPI: property: Use acpi_object_type consistently in property ref parsing
ACPI: property: Tie data nodes to acpi handles
ACPI: property: Return type of acpi_add_nondev_subnodes() should be bool
Merge ACPI processor driver changes, APEI changes and ACPI EC driver
changes for v5.20-rc1:
- Drop leftover acpi_processor_get_limit_info() declaration (Riwen Lu).
- Split out thermal initialization from ACPI PSS (Riwen Lu).
- Annotate more functions in the ACPI CPU idle driver to live in the
cpuidle section (Guilherme G. Piccoli).
- Fix _EINJ vs "special purpose" EFI memory regions (Dan Williams).
- Implement a better fix to avoid spamming the console with old error
logs (Tony Luck).
- Fix typo in a comment in the APEI code (Xiang wangx).
- Clean up the ACPI EC driver after previous changes in it (Hans
de Goede).
* acpi-processor:
ACPI: processor: Drop leftover acpi_processor_get_limit_info() declaration
ACPI: processor: Split out thermal initialization from ACPI PSS
ACPI: processor/idle: Annotate more functions to live in cpuidle section
* acpi-apei:
ACPI: APEI: Fix _EINJ vs EFI_MEMORY_SP
ACPI: APEI: Better fix to avoid spamming the console with old error logs
ACPI: APEI: Fix double word in a comment
* acpi-ec:
ACPI: EC: Drop unused ident initializers from dmi_system_id tables
ACPI: EC: Re-use boot_ec when possible even when EC_FLAGS_TRUST_DSDT_GPE is set
ACPI: EC: Drop the EC_FLAGS_IGNORE_DSDT_GPE quirk
ACPI: EC: Remove duplicate ThinkPad X1 Carbon 6th entry from DMI quirks
Merge ACPI device object management changes for v5.20-rc1.
- Use the facilities provided by the driver core and some additional
helpers to handle the children of a given ACPI device object in
multiple places instead of using the children and node list heads in
struct acpi_device which is error prone (Rafael Wysocki).
- Fix ACPI-related device reference counting issue in the hisi_lpc bus
driver (Yang Yingliang).
- Drop the children and node list heads that are not needed any more
from struct acpi_device (Rafael Wysocki).
- Drop driver member from struct acpi_device (Uwe Kleine-König).
- Drop redundant check from acpi_device_remove() (Uwe Kleine-König).
* acpi-bus:
ACPI: bus: Drop unused list heads from struct acpi_device
hisi_lpc: Use acpi_dev_for_each_child()
bus: hisi_lpc: fix missing platform_device_put() in hisi_lpc_acpi_probe()
ACPI: bus: Drop driver member of struct acpi_device
ACPI: bus: Drop redundant check in acpi_device_remove()
mfd: core: Use acpi_dev_for_each_child()
ACPI / MMC: PM: Unify fixing up device power
soundwire: Use acpi_dev_for_each_child()
platform/x86/thinkpad_acpi: Use acpi_dev_for_each_child()
ACPI: scan: Walk ACPI device's children using driver core
ACPI: bus: Introduce acpi_dev_for_each_child_reverse()
ACPI: video: Use acpi_dev_for_each_child()
ACPI: bus: Export acpi_dev_for_each_child() to modules
ACPI: property: Use acpi_dev_for_each_child() for child lookup
ACPI: container: Use acpi_dev_for_each_child()
USB: ACPI: Replace usb_acpi_find_port() with acpi_find_child_by_adr()
thunderbolt: ACPI: Replace tb_acpi_find_port() with acpi_find_child_by_adr()
ACPI: glue: Introduce acpi_find_child_by_adr()
ACPI: glue: Introduce acpi_dev_has_children()
ACPI: glue: Use acpi_dev_for_each_child()
There is a problem with the current revision checks in
is_cppc_supported() that they essentially prevent the CPPC support
from working if a new _CPC package format revision being a proper
superset of the v3 and only causing _CPC to return a package with more
entries (while retaining the types and meaning of the entries defined by
the v3) is introduced in the future and used by the platform firmware.
In that case, as long as the number of entries in the _CPC return
package is at least CPPC_V3_NUM_ENT, it should be perfectly fine to
use the v3 support code and disregard the additional package entries
added by the new package format revision.
For this reason, drop is_cppc_supported() altogether, put the revision
checks directly into acpi_cppc_processor_probe() so they are easier to
follow and rework them to take the case mentioned above into account.
Fixes: 4773e77cdc ("ACPI / CPPC: Add support for CPPC v3")
Cc: 4.18+ <stable@vger.kernel.org> # 4.18+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
commit 72f2ecb7ec ("ACPI: bus: Set CPPC _OSC bits for all and
when CPPC_LIB is supported") added support for claiming to
support CPPC in _OSC on non-Intel platforms.
This unfortunately caused a regression on a vartiety of AMD
platforms in the field because a number of AMD platforms don't set
the `_OSC` bit 5 or 6 to indicate CPPC or CPPC v2 support.
As these AMD platforms already claim CPPC support via a dedicated
MSR from `X86_FEATURE_CPPC`, use this enable this feature rather
than requiring the `_OSC` on platforms with a dedicated MSR.
If there is additional breakage on the shared memory designs also
missing this _OSC, additional follow up changes may be needed.
Fixes: 72f2ecb7ec ("Set CPPC _OSC bits for all and when CPPC_LIB is supported")
Reported-by: Perry Yuan <perry.yuan@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Drop the children and node list heads that have no more users
from struct acpi_device and the code manipulating them from
__acpi_device_add() and acpi_device_del().
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
struct acpi_device::driver tracks the same information as the driver
member of struct acpi_device::dev.
Fix all users of the former to use the latter and drop the redundant
data from struct acpi_device.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit 22e7551eb6 ("ACPI / processor: Remove acpi_processor_get_limit_info()"),
left it behind, so drop it.
Signed-off-by: Riwen Lu <luriwen@kylinos.cn>
Reviewed-by: Punit Agrawal <punit.agrawal@bytedance.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit 239708a3af ("ACPI: Split out ACPI PSS from ACPI Processor
driver"), moves processor thermal registration to acpi_pss_perf_init(),
which doesn't get executed if ACPI_CPU_FREQ_PSS is not enabled.
As ARM64 supports P-states using CPPC, it should be possible to also
support processor passive cooling even if PSS is not enabled. Split
out the processor thermal cooling register from ACPI PSS to support
this, and move it into a separate function in processor_thermal.c.
Signed-off-by: Riwen Lu <luriwen@kylinos.cn>
Reviewed-by: Punit Agrawal <punit.agrawal@bytedance.com>
[ rjw: Subject edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Introduce acpi_device_fix_up_power_extended() for fixing up power of
a device having an ACPI companion in a manner that takes the device's
children into account and make the MMC code use it in two places
instead of walking the list of the device ACPI companion's children
directly.
This will help to eliminate the children list head from struct
acpi_device as it is redundant and it is used in questionable ways
in some places (in particular, locking is needed for walking the
list pointed to it safely, but it is often missing).
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Linus Torvalds