- Check if the Tegra BPMP supports the trip points in order to set the
.set_trips callback (Mikko Perttunen).
- Add new Loongson-2 thermal sensor along with the DT bindings (Yinbo
Zhu).
- Use IS_ERR_OR_NULL() helper to replace a double test on the TI
bandgap sensor (Li Zetao).
- Remove redundant platform_set_drvdata() calls, as there are no
corresponding calls to platform_get_drvdata(), from a bunch of
drivers (Andrei Coardos).
- Switch the Mediatek LVTS mode to filtered in order to enable
interrupts (Nícolas F. R. A. Prado).
- Fix Wvoid-pointer-to-enum-cast warning on the Exynos TMU (Krzysztof
Kozlowski).
- Remove redundant dev_err_probe(), because the underlying function
already called it, from the Mediatek sensor (Chen Jiahao).
- Free calibration nvmem after reading it on sun8i (Mark Brown).
- Remove useless comment from the sun8i driver (Yangtao Li).
- Make tsens_xxxx_nvmem static to fix a sparse warning on QCom
tsens (Min-Hua Chen).
- Remove error message at probe deferral on imx8mm (Ahmad Fatoum).
- Fix parameter check in lvts_debugfs_init() with IS_ERR() on
Mediatek LVTS (Minjie Du).
- Fix interrupt routine and configuratoin for Mediatek LVTS (Nícolas
F. R. A. Prado).
- Drop unused .get_trip_type(), .get_trip_temp() and .get_trip_hyst()
thermal zone callbacks from the core and rework the .get_trend()
one to take a trip point pointer as an argument (Rafael Wysocki).
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Merge tag 'thermal-6.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more thermal control updates from Rafael Wysocki:
"These are mostly updates of thermal control drivers for ARM platforms,
new thermal control support for Loongson-2 and a couple of core
cleanups made possible by recent changes merged previously.
Specifics:
- Check if the Tegra BPMP supports the trip points in order to set
the .set_trips callback (Mikko Perttunen)
- Add new Loongson-2 thermal sensor along with the DT bindings (Yinbo
Zhu)
- Use IS_ERR_OR_NULL() helper to replace a double test on the TI
bandgap sensor (Li Zetao)
- Remove redundant platform_set_drvdata() calls, as there are no
corresponding calls to platform_get_drvdata(), from a bunch of
drivers (Andrei Coardos)
- Switch the Mediatek LVTS mode to filtered in order to enable
interrupts (Nícolas F. R. A. Prado)
- Fix Wvoid-pointer-to-enum-cast warning on the Exynos TMU (Krzysztof
Kozlowski)
- Remove redundant dev_err_probe(), because the underlying function
already called it, from the Mediatek sensor (Chen Jiahao)
- Free calibration nvmem after reading it on sun8i (Mark Brown)
- Remove useless comment from the sun8i driver (Yangtao Li)
- Make tsens_xxxx_nvmem static to fix a sparse warning on QCom tsens
(Min-Hua Chen)
- Remove error message at probe deferral on imx8mm (Ahmad Fatoum)
- Fix parameter check in lvts_debugfs_init() with IS_ERR() on
Mediatek LVTS (Minjie Du)
- Fix interrupt routine and configuratoin for Mediatek LVTS (Nícolas
F. R. A. Prado)
- Drop unused .get_trip_type(), .get_trip_temp() and .get_trip_hyst()
thermal zone callbacks from the core and rework the .get_trend()
one to take a trip point pointer as an argument (Rafael Wysocki)"
* tag 'thermal-6.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (29 commits)
thermal: core: Rework .get_trend() thermal zone callback
thermal: core: Drop unused .get_trip_*() callbacks
thermal/drivers/tegra-bpmp: Check if BPMP supports trip points
thermal: dt-bindings: add loongson-2 thermal
thermal/drivers/loongson-2: Add thermal management support
thermal/drivers/ti-soc-thermal: Use helper function IS_ERR_OR_NULL()
thermal/drivers/generic-adc: Removed unneeded call to platform_set_drvdata()
thermal/drivers/max77620_thermal: Removed unneeded call to platform_set_drvdata()
thermal/drivers/mediatek/auxadc_thermal: Removed call to platform_set_drvdata()
thermal/drivers/sun8i_thermal: Remove unneeded call to platform_set_drvdata()
thermal/drivers/broadcom/brcstb_thermal: Removed unneeded platform_set_drvdata()
thermal/drivers/mediatek/lvts_thermal: Make readings valid in filtered mode
thermal/drivers/k3_bandgap: Remove unneeded call to platform_set_drvdata()
thermal/drivers/k3_j72xx_bandgap: Removed unneeded call to platform_set_drvdata()
thermal/drivers/broadcom/sr-thermal: Removed call to platform_set_drvdata()
thermal/drivers/samsung: Fix Wvoid-pointer-to-enum-cast warning
thermal/drivers/db8500: Remove redundant of_match_ptr()
thermal/drivers/mediatek: Clean up redundant dev_err_probe()
thermal/drivers/sun8i: Free calibration nvmem after reading it
thermal/drivers/sun8i: Remove unneeded comments
...
Here is the big set of char/misc and other small driver subsystem
changes for 6.6-rc1.
Stuff all over the place here, lots of driver updates and changes and
new additions. Short summary is:
- new IIO drivers and updates
- Interconnect driver updates
- fpga driver updates and additions
- fsi driver updates
- mei driver updates
- coresight driver updates
- nvmem driver updates
- counter driver updates
- lots of smaller misc and char driver updates and additions
All of these have been in linux-next for a long time with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char/misc and other small driver subsystem
changes for 6.6-rc1.
Stuff all over the place here, lots of driver updates and changes and
new additions. Short summary is:
- new IIO drivers and updates
- Interconnect driver updates
- fpga driver updates and additions
- fsi driver updates
- mei driver updates
- coresight driver updates
- nvmem driver updates
- counter driver updates
- lots of smaller misc and char driver updates and additions
All of these have been in linux-next for a long time with no reported
problems"
* tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (267 commits)
nvmem: core: Notify when a new layout is registered
nvmem: core: Do not open-code existing functions
nvmem: core: Return NULL when no nvmem layout is found
nvmem: core: Create all cells before adding the nvmem device
nvmem: u-boot-env:: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
nvmem: sec-qfprom: Add Qualcomm secure QFPROM support
dt-bindings: nvmem: sec-qfprom: Add bindings for secure qfprom
dt-bindings: nvmem: Add compatible for QCM2290
nvmem: Kconfig: Fix typo "drive" -> "driver"
nvmem: Explicitly include correct DT includes
nvmem: add new NXP QorIQ eFuse driver
dt-bindings: nvmem: Add t1023-sfp efuse support
dt-bindings: nvmem: qfprom: Add compatible for MSM8226
nvmem: uniphier: Use devm_platform_get_and_ioremap_resource()
nvmem: qfprom: do some cleanup
nvmem: stm32-romem: Use devm_platform_get_and_ioremap_resource()
nvmem: rockchip-efuse: Use devm_platform_get_and_ioremap_resource()
nvmem: meson-mx-efuse: Convert to devm_platform_ioremap_resource()
nvmem: lpc18xx_otp: Convert to devm_platform_ioremap_resource()
nvmem: brcm_nvram: Use devm_platform_get_and_ioremap_resource()
...
- Peter Xu has a series (mm/gup: Unify hugetlb, speed up thp") which
reduces the special-case code for handling hugetlb pages in GUP. It
also speeds up GUP handling of transparent hugepages.
- Peng Zhang provides some maple tree speedups ("Optimize the fast path
of mas_store()").
- Sergey Senozhatsky has improved te performance of zsmalloc during
compaction (zsmalloc: small compaction improvements").
- Domenico Cerasuolo has developed additional selftest code for zswap
("selftests: cgroup: add zswap test program").
- xu xin has doe some work on KSM's handling of zero pages. These
changes are mainly to enable the user to better understand the
effectiveness of KSM's treatment of zero pages ("ksm: support tracking
KSM-placed zero-pages").
- Jeff Xu has fixes the behaviour of memfd's
MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED sysctl ("mm/memfd: fix sysctl
MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED").
- David Howells has fixed an fscache optimization ("mm, netfs, fscache:
Stop read optimisation when folio removed from pagecache").
- Axel Rasmussen has given userfaultfd the ability to simulate memory
poisoning ("add UFFDIO_POISON to simulate memory poisoning with UFFD").
- Miaohe Lin has contributed some routine maintenance work on the
memory-failure code ("mm: memory-failure: remove unneeded PageHuge()
check").
- Peng Zhang has contributed some maintenance work on the maple tree
code ("Improve the validation for maple tree and some cleanup").
- Hugh Dickins has optimized the collapsing of shmem or file pages into
THPs ("mm: free retracted page table by RCU").
- Jiaqi Yan has a patch series which permits us to use the healthy
subpages within a hardware poisoned huge page for general purposes
("Improve hugetlbfs read on HWPOISON hugepages").
- Kemeng Shi has done some maintenance work on the pagetable-check code
("Remove unused parameters in page_table_check").
- More folioification work from Matthew Wilcox ("More filesystem folio
conversions for 6.6"), ("Followup folio conversions for zswap"). And
from ZhangPeng ("Convert several functions in page_io.c to use a
folio").
- page_ext cleanups from Kemeng Shi ("minor cleanups for page_ext").
- Baoquan He has converted some architectures to use the GENERIC_IOREMAP
ioremap()/iounmap() code ("mm: ioremap: Convert architectures to take
GENERIC_IOREMAP way").
- Anshuman Khandual has optimized arm64 tlb shootdown ("arm64: support
batched/deferred tlb shootdown during page reclamation/migration").
- Better maple tree lockdep checking from Liam Howlett ("More strict
maple tree lockdep"). Liam also developed some efficiency improvements
("Reduce preallocations for maple tree").
- Cleanup and optimization to the secondary IOMMU TLB invalidation, from
Alistair Popple ("Invalidate secondary IOMMU TLB on permission
upgrade").
- Ryan Roberts fixes some arm64 MM selftest issues ("selftests/mm fixes
for arm64").
- Kemeng Shi provides some maintenance work on the compaction code ("Two
minor cleanups for compaction").
- Some reduction in mmap_lock pressure from Matthew Wilcox ("Handle most
file-backed faults under the VMA lock").
- Aneesh Kumar contributes code to use the vmemmap optimization for DAX
on ppc64, under some circumstances ("Add support for DAX vmemmap
optimization for ppc64").
- page-ext cleanups from Kemeng Shi ("add page_ext_data to get client
data in page_ext"), ("minor cleanups to page_ext header").
- Some zswap cleanups from Johannes Weiner ("mm: zswap: three
cleanups").
- kmsan cleanups from ZhangPeng ("minor cleanups for kmsan").
- VMA handling cleanups from Kefeng Wang ("mm: convert to
vma_is_initial_heap/stack()").
- DAMON feature work from SeongJae Park ("mm/damon/sysfs-schemes:
implement DAMOS tried total bytes file"), ("Extend DAMOS filters for
address ranges and DAMON monitoring targets").
- Compaction work from Kemeng Shi ("Fixes and cleanups to compaction").
- Liam Howlett has improved the maple tree node replacement code
("maple_tree: Change replacement strategy").
- ZhangPeng has a general code cleanup - use the K() macro more widely
("cleanup with helper macro K()").
- Aneesh Kumar brings memmap-on-memory to ppc64 ("Add support for memmap
on memory feature on ppc64").
- pagealloc cleanups from Kemeng Shi ("Two minor cleanups for pcp list
in page_alloc"), ("Two minor cleanups for get pageblock migratetype").
- Vishal Moola introduces a memory descriptor for page table tracking,
"struct ptdesc" ("Split ptdesc from struct page").
- memfd selftest maintenance work from Aleksa Sarai ("memfd: cleanups
for vm.memfd_noexec").
- MM include file rationalization from Hugh Dickins ("arch: include
asm/cacheflush.h in asm/hugetlb.h").
- THP debug output fixes from Hugh Dickins ("mm,thp: fix sloppy text
output").
- kmemleak improvements from Xiaolei Wang ("mm/kmemleak: use
object_cache instead of kmemleak_initialized").
- More folio-related cleanups from Matthew Wilcox ("Remove _folio_dtor
and _folio_order").
- A VMA locking scalability improvement from Suren Baghdasaryan
("Per-VMA lock support for swap and userfaults").
- pagetable handling cleanups from Matthew Wilcox ("New page table range
API").
- A batch of swap/thp cleanups from David Hildenbrand ("mm/swap: stop
using page->private on tail pages for THP_SWAP + cleanups").
- Cleanups and speedups to the hugetlb fault handling from Matthew
Wilcox ("Change calling convention for ->huge_fault").
- Matthew Wilcox has also done some maintenance work on the MM subsystem
documentation ("Improve mm documentation").
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Merge tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
- Some swap cleanups from Ma Wupeng ("fix WARN_ON in
add_to_avail_list")
- Peter Xu has a series (mm/gup: Unify hugetlb, speed up thp") which
reduces the special-case code for handling hugetlb pages in GUP. It
also speeds up GUP handling of transparent hugepages.
- Peng Zhang provides some maple tree speedups ("Optimize the fast path
of mas_store()").
- Sergey Senozhatsky has improved te performance of zsmalloc during
compaction (zsmalloc: small compaction improvements").
- Domenico Cerasuolo has developed additional selftest code for zswap
("selftests: cgroup: add zswap test program").
- xu xin has doe some work on KSM's handling of zero pages. These
changes are mainly to enable the user to better understand the
effectiveness of KSM's treatment of zero pages ("ksm: support
tracking KSM-placed zero-pages").
- Jeff Xu has fixes the behaviour of memfd's
MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED sysctl ("mm/memfd: fix sysctl
MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED").
- David Howells has fixed an fscache optimization ("mm, netfs, fscache:
Stop read optimisation when folio removed from pagecache").
- Axel Rasmussen has given userfaultfd the ability to simulate memory
poisoning ("add UFFDIO_POISON to simulate memory poisoning with
UFFD").
- Miaohe Lin has contributed some routine maintenance work on the
memory-failure code ("mm: memory-failure: remove unneeded PageHuge()
check").
- Peng Zhang has contributed some maintenance work on the maple tree
code ("Improve the validation for maple tree and some cleanup").
- Hugh Dickins has optimized the collapsing of shmem or file pages into
THPs ("mm: free retracted page table by RCU").
- Jiaqi Yan has a patch series which permits us to use the healthy
subpages within a hardware poisoned huge page for general purposes
("Improve hugetlbfs read on HWPOISON hugepages").
- Kemeng Shi has done some maintenance work on the pagetable-check code
("Remove unused parameters in page_table_check").
- More folioification work from Matthew Wilcox ("More filesystem folio
conversions for 6.6"), ("Followup folio conversions for zswap"). And
from ZhangPeng ("Convert several functions in page_io.c to use a
folio").
- page_ext cleanups from Kemeng Shi ("minor cleanups for page_ext").
- Baoquan He has converted some architectures to use the
GENERIC_IOREMAP ioremap()/iounmap() code ("mm: ioremap: Convert
architectures to take GENERIC_IOREMAP way").
- Anshuman Khandual has optimized arm64 tlb shootdown ("arm64: support
batched/deferred tlb shootdown during page reclamation/migration").
- Better maple tree lockdep checking from Liam Howlett ("More strict
maple tree lockdep"). Liam also developed some efficiency
improvements ("Reduce preallocations for maple tree").
- Cleanup and optimization to the secondary IOMMU TLB invalidation,
from Alistair Popple ("Invalidate secondary IOMMU TLB on permission
upgrade").
- Ryan Roberts fixes some arm64 MM selftest issues ("selftests/mm fixes
for arm64").
- Kemeng Shi provides some maintenance work on the compaction code
("Two minor cleanups for compaction").
- Some reduction in mmap_lock pressure from Matthew Wilcox ("Handle
most file-backed faults under the VMA lock").
- Aneesh Kumar contributes code to use the vmemmap optimization for DAX
on ppc64, under some circumstances ("Add support for DAX vmemmap
optimization for ppc64").
- page-ext cleanups from Kemeng Shi ("add page_ext_data to get client
data in page_ext"), ("minor cleanups to page_ext header").
- Some zswap cleanups from Johannes Weiner ("mm: zswap: three
cleanups").
- kmsan cleanups from ZhangPeng ("minor cleanups for kmsan").
- VMA handling cleanups from Kefeng Wang ("mm: convert to
vma_is_initial_heap/stack()").
- DAMON feature work from SeongJae Park ("mm/damon/sysfs-schemes:
implement DAMOS tried total bytes file"), ("Extend DAMOS filters for
address ranges and DAMON monitoring targets").
- Compaction work from Kemeng Shi ("Fixes and cleanups to compaction").
- Liam Howlett has improved the maple tree node replacement code
("maple_tree: Change replacement strategy").
- ZhangPeng has a general code cleanup - use the K() macro more widely
("cleanup with helper macro K()").
- Aneesh Kumar brings memmap-on-memory to ppc64 ("Add support for
memmap on memory feature on ppc64").
- pagealloc cleanups from Kemeng Shi ("Two minor cleanups for pcp list
in page_alloc"), ("Two minor cleanups for get pageblock
migratetype").
- Vishal Moola introduces a memory descriptor for page table tracking,
"struct ptdesc" ("Split ptdesc from struct page").
- memfd selftest maintenance work from Aleksa Sarai ("memfd: cleanups
for vm.memfd_noexec").
- MM include file rationalization from Hugh Dickins ("arch: include
asm/cacheflush.h in asm/hugetlb.h").
- THP debug output fixes from Hugh Dickins ("mm,thp: fix sloppy text
output").
- kmemleak improvements from Xiaolei Wang ("mm/kmemleak: use
object_cache instead of kmemleak_initialized").
- More folio-related cleanups from Matthew Wilcox ("Remove _folio_dtor
and _folio_order").
- A VMA locking scalability improvement from Suren Baghdasaryan
("Per-VMA lock support for swap and userfaults").
- pagetable handling cleanups from Matthew Wilcox ("New page table
range API").
- A batch of swap/thp cleanups from David Hildenbrand ("mm/swap: stop
using page->private on tail pages for THP_SWAP + cleanups").
- Cleanups and speedups to the hugetlb fault handling from Matthew
Wilcox ("Change calling convention for ->huge_fault").
- Matthew Wilcox has also done some maintenance work on the MM
subsystem documentation ("Improve mm documentation").
* tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (489 commits)
maple_tree: shrink struct maple_tree
maple_tree: clean up mas_wr_append()
secretmem: convert page_is_secretmem() to folio_is_secretmem()
nios2: fix flush_dcache_page() for usage from irq context
hugetlb: add documentation for vma_kernel_pagesize()
mm: add orphaned kernel-doc to the rst files.
mm: fix clean_record_shared_mapping_range kernel-doc
mm: fix get_mctgt_type() kernel-doc
mm: fix kernel-doc warning from tlb_flush_rmaps()
mm: remove enum page_entry_size
mm: allow ->huge_fault() to be called without the mmap_lock held
mm: move PMD_ORDER to pgtable.h
mm: remove checks for pte_index
memcg: remove duplication detection for mem_cgroup_uncharge_swap
mm/huge_memory: work on folio->swap instead of page->private when splitting folio
mm/swap: inline folio_set_swap_entry() and folio_swap_entry()
mm/swap: use dedicated entry for swap in folio
mm/swap: stop using page->private on tail pages for THP_SWAP
selftests/mm: fix WARNING comparing pointer to 0
selftests: cgroup: fix test_kmem_memcg_deletion kernel mem check
...
Passing a struct thermal_trip pointer instead of a trip index to the
.get_trend() thermal zone callback allows one of its 2 implementations,
the thermal_get_trend() function in the ACPI thermal driver, to be
simplified quite a bit, and the other implementation of it in the
ti-soc-thermal driver does not even use the relevant callback argument.
For this reason, change the .get_trend() thermal zone callback
definition and adjust the related code accordingly.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Update the ACPICA code in the kernel to upstream revision 20230628
including the following changes:
* Suppress a GCC 12 dangling-pointer warning (Philip Prindeville).
* Reformat the ACPI_STATE_COMMON macro and its users (George Guo).
* Replace the ternary operator with ACPI_MIN() (Jiangshan Yi).
* Add support for _DSC as per ACPI 6.5 (Saket Dumbre).
* Remove a duplicate macro from zephyr header (Najumon B.A).
* Add data structures for GED and _EVT tracking (Jose Marinho).
* Fix misspelled CDAT DSMAS define (Dave Jiang).
* Simplify an error message in acpi_ds_result_push() (Christophe
Jaillet).
* Add a struct size macro related to SRAT (Dave Jiang).
* Add AML_NO_OPERAND_RESOLVE flag to Timer (Abhishek Mainkar).
* Add support for RISC-V external interrupt controllers in MADT (Sunil
V L).
* Add RHCT flags, CMO and MMU nodes (Sunil V L).
* Change ACPICA version to 20230628 (Bob Moore).
- Introduce new wrappers for ACPICA notify handler install/remove and
convert multiple drivers to using their own Notify() handlers instead
of the ACPI bus type .notify() slated for removal (Michal Wilczynski).
- Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2 (Hans
de Goede).
- Put ACPI video and its child devices explicitly into D0 on boot to
avoid platform firmware confusion (Kai-Heng Feng).
- Add backlight=native DMI quirk for Lenovo Ideapad Z470 (Jiri Slaby).
- Support obtaining physical CPU ID from MADT on LoongArch (Bibo Mao).
- Convert ACPI CPU initialization to using _OSC instead of _PDC that
has been depreceted since 2018 and dropped from the specification in
ACPI 6.5 (Michal Wilczynski, Rafael Wysocki).
- Drop non-functional nocrt parameter from ACPI thermal (Mario
Limonciello).
- Clean up the ACPI thermal driver, rework the handling of firmware
notifications in it and make it provide a table of generic trip point
structures to the core during initialization (Rafael Wysocki).
- Defer enumeration of devices with _DEP pointing to IVSC (Wentong Wu).
- Install SystemCMOS address space handler for ACPI000E (TAD) to meet
platform firmware expectations on some platforms (Zhang Rui).
- Fix finding the generic error data in the ACPi extlog driver for
compatibility with old and new firmware interface versions (Xiaochun
Lee).
- Remove assorted unused declarations of functions (Yue Haibing).
- Move AMBA bus scan handling into arm64 specific directory (Sudeep
Holla).
- Fix and clean up suspend-to-idle interface for AMD systems (Mario
Limonciello, Andy Shevchenko).
- Fix string truncation warning in pnpacpi_add_device() (Sunil V L).
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Merge tag 'acpi-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These include new ACPICA material, a rework of the ACPI thermal
driver, a switch-over of the ACPI processor driver to using _OSC
instead of (long deprecated) _PDC for CPU initialization, a rework of
firmware notifications handling in several drivers, fixes and cleanups
for suspend-to-idle handling on AMD systems, ACPI backlight driver
updates and more.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20230628
including the following changes:
- Suppress a GCC 12 dangling-pointer warning (Philip Prindeville)
- Reformat the ACPI_STATE_COMMON macro and its users (George Guo)
- Replace the ternary operator with ACPI_MIN() (Jiangshan Yi)
- Add support for _DSC as per ACPI 6.5 (Saket Dumbre)
- Remove a duplicate macro from zephyr header (Najumon B.A)
- Add data structures for GED and _EVT tracking (Jose Marinho)
- Fix misspelled CDAT DSMAS define (Dave Jiang)
- Simplify an error message in acpi_ds_result_push() (Christophe
Jaillet)
- Add a struct size macro related to SRAT (Dave Jiang)
- Add AML_NO_OPERAND_RESOLVE flag to Timer (Abhishek Mainkar)
- Add support for RISC-V external interrupt controllers in MADT
(Sunil V L)
- Add RHCT flags, CMO and MMU nodes (Sunil V L)
- Change ACPICA version to 20230628 (Bob Moore)
- Introduce new wrappers for ACPICA notify handler install/remove and
convert multiple drivers to using their own Notify() handlers
instead of the ACPI bus type .notify() slated for removal (Michal
Wilczynski)
- Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2
(Hans de Goede)
- Put ACPI video and its child devices explicitly into D0 on boot to
avoid platform firmware confusion (Kai-Heng Feng)
- Add backlight=native DMI quirk for Lenovo Ideapad Z470 (Jiri Slaby)
- Support obtaining physical CPU ID from MADT on LoongArch (Bibo Mao)
- Convert ACPI CPU initialization to using _OSC instead of _PDC that
has been depreceted since 2018 and dropped from the specification
in ACPI 6.5 (Michal Wilczynski, Rafael Wysocki)
- Drop non-functional nocrt parameter from ACPI thermal (Mario
Limonciello)
- Clean up the ACPI thermal driver, rework the handling of firmware
notifications in it and make it provide a table of generic trip
point structures to the core during initialization (Rafael Wysocki)
- Defer enumeration of devices with _DEP pointing to IVSC (Wentong
Wu)
- Install SystemCMOS address space handler for ACPI000E (TAD) to meet
platform firmware expectations on some platforms (Zhang Rui)
- Fix finding the generic error data in the ACPi extlog driver for
compatibility with old and new firmware interface versions
(Xiaochun Lee)
- Remove assorted unused declarations of functions (Yue Haibing)
- Move AMBA bus scan handling into arm64 specific directory (Sudeep
Holla)
- Fix and clean up suspend-to-idle interface for AMD systems (Mario
Limonciello, Andy Shevchenko)
- Fix string truncation warning in pnpacpi_add_device() (Sunil V L)"
* tag 'acpi-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (66 commits)
ACPI: x86: s2idle: Add a function to get LPS0 constraint for a device
ACPI: x86: s2idle: Add for_each_lpi_constraint() helper
ACPI: x86: s2idle: Add more debugging for AMD constraints parsing
ACPI: x86: s2idle: Fix a logic error parsing AMD constraints table
ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects
ACPI: x86: s2idle: Post-increment variables when getting constraints
ACPI: Adjust #ifdef for *_lps0_dev use
ACPI: TAD: Install SystemCMOS address space handler for ACPI000E
ACPI: Remove assorted unused declarations of functions
ACPI: extlog: Fix finding the generic error data for v3 structure
PNP: ACPI: Fix string truncation warning
ACPI: Remove unused extern declaration acpi_paddr_to_node()
ACPI: video: Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2
ACPI: video: Put ACPI video and its child devices into D0 on boot
ACPI: processor: LoongArch: Get physical ID from MADT
ACPI: scan: Defer enumeration of devices with a _DEP pointing to IVSC device
ACPI: thermal: Eliminate code duplication from acpi_thermal_notify()
ACPI: thermal: Drop unnecessary thermal zone callbacks
ACPI: thermal: Rework thermal_get_trend()
ACPI: thermal: Use trip point table to register thermal zones
...
CPU features and system registers:
* Advertise hinted conditional branch support (FEAT_HBC) to
userspace
* Avoid false positive "SANITY CHECK" warning when xCR registers
differ outside of the length field
Documentation:
* Fix macro name typo in SME documentation
Entry code:
* Unmask exceptions earlier on the system call entry path
Memory management:
* Don't bother clearing PTE_RDONLY for dirty ptes in
pte_wrprotect() and pte_modify()
Perf and PMU drivers:
* Initial support for Coresight TRBE devices on ACPI systems (the
coresight driver changes will come later)
* Fix hw_breakpoint single-stepping when called from bpf
* Fixes for DDR PMU on i.MX8MP SoC
* Add NUMA-awareness to Hisilicon PCIe PMU driver
* Fix locking dependency issue in Arm DMC620 PMU driver
* Workaround Hisilicon erratum 162001900 in the SMMUv3 PMU driver
* Add support for Arm CMN-700 r3 parts to the CMN PMU driver
* Add support for recent Arm Cortex CPU PMUs
* Update Hisilicon PMU maintainers
Selftests:
* Add a bunch of new features to the hwcap test (JSCVT, PMULL,
AES, SHA1, etc)
* Fix SSVE test to leave streaming-mode after grabbing the
signal context
* Add new test for SVE vector-length changes with SME enabled
Miscellaneous:
* Allow compiler to warn on suspicious looking system register
expressions
* Work around SDEI firmware bug by aborting any running
handlers on a kernel crash
* Fix some harmless warnings when building with W=1
* Remove some unused function declarations
* Other minor fixes and cleanup
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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:
"I think we have a bit less than usual on the architecture side, but
that's somewhat balanced out by a large crop of perf/PMU driver
updates and extensions to our selftests.
CPU features and system registers:
- Advertise hinted conditional branch support (FEAT_HBC) to userspace
- Avoid false positive "SANITY CHECK" warning when xCR registers
differ outside of the length field
Documentation:
- Fix macro name typo in SME documentation
Entry code:
- Unmask exceptions earlier on the system call entry path
Memory management:
- Don't bother clearing PTE_RDONLY for dirty ptes in pte_wrprotect()
and pte_modify()
Perf and PMU drivers:
- Initial support for Coresight TRBE devices on ACPI systems (the
coresight driver changes will come later)
- Fix hw_breakpoint single-stepping when called from bpf
- Fixes for DDR PMU on i.MX8MP SoC
- Add NUMA-awareness to Hisilicon PCIe PMU driver
- Fix locking dependency issue in Arm DMC620 PMU driver
- Workaround Hisilicon erratum 162001900 in the SMMUv3 PMU driver
- Add support for Arm CMN-700 r3 parts to the CMN PMU driver
- Add support for recent Arm Cortex CPU PMUs
- Update Hisilicon PMU maintainers
Selftests:
- Add a bunch of new features to the hwcap test (JSCVT, PMULL, AES,
SHA1, etc)
- Fix SSVE test to leave streaming-mode after grabbing the signal
context
- Add new test for SVE vector-length changes with SME enabled
Miscellaneous:
- Allow compiler to warn on suspicious looking system register
expressions
- Work around SDEI firmware bug by aborting any running handlers on a
kernel crash
- Fix some harmless warnings when building with W=1
- Remove some unused function declarations
- Other minor fixes and cleanup"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (62 commits)
drivers/perf: hisi: Update HiSilicon PMU maintainers
arm_pmu: acpi: Add a representative platform device for TRBE
arm_pmu: acpi: Refactor arm_spe_acpi_register_device()
kselftest/arm64: Fix hwcaps selftest build
hw_breakpoint: fix single-stepping when using bpf_overflow_handler
arm64/sysreg: refactor deprecated strncpy
kselftest/arm64: add jscvt feature to hwcap test
kselftest/arm64: add pmull feature to hwcap test
kselftest/arm64: add AES feature check to hwcap test
kselftest/arm64: add SHA1 and related features to hwcap test
arm64: sysreg: Generate C compiler warnings on {read,write}_sysreg_s arguments
kselftest/arm64: build BTI tests in output directory
perf/imx_ddr: don't enable counter0 if none of 4 counters are used
perf/imx_ddr: speed up overflow frequency of cycle
drivers/perf: hisi: Schedule perf session according to locality
kselftest/arm64: fix a memleak in zt_regs_run()
perf/arm-dmc620: Fix dmc620_pmu_irqs_lock/cpu_hotplug_lock circular lock dependency
perf/smmuv3: Add MODULE_ALIAS for module auto loading
perf/smmuv3: Enable HiSilicon Erratum 162001900 quirk for HIP08/09
kselftest/arm64: Size sycall-abi buffers for the actual maximum VL
...
- one bugfix for x86 mixed mode that did not make it into v6.5
- first pass of cleanup for the EFI runtime wrappers
- some cosmetic touchups
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Merge tag 'efi-next-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
"This primarily covers some cleanup work on the EFI runtime wrappers,
which are shared between all EFI architectures except Itanium, and
which provide some level of isolation to prevent faults occurring in
the firmware code (which runs at the same privilege level as the
kernel) from bringing down the system.
Beyond that, there is a fix that did not make it into v6.5, and some
doc fixes and dead code cleanup.
- one bugfix for x86 mixed mode that did not make it into v6.5
- first pass of cleanup for the EFI runtime wrappers
- some cosmetic touchups"
* tag 'efi-next-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
x86/efistub: Fix PCI ROM preservation in mixed mode
efi/runtime-wrappers: Clean up white space and add __init annotation
acpi/prmt: Use EFI runtime sandbox to invoke PRM handlers
efi/runtime-wrappers: Don't duplicate setup/teardown code
efi/runtime-wrappers: Remove duplicated macro for service returning void
efi/runtime-wrapper: Move workqueue manipulation out of line
efi/runtime-wrappers: Use type safe encapsulation of call arguments
efi/riscv: Move EFI runtime call setup/teardown helpers out of line
efi/arm64: Move EFI runtime call setup/teardown helpers out of line
efi/riscv: libstub: Fix comment about absolute relocation
efi: memmap: Remove kernel-doc warnings
efi: Remove unused extern declaration efi_lookup_mapped_addr()
Merge ACPI power management updates for 6.6-rc1:
- Fix and clean up suspend-to-idle interface for AMD systems (Mario
Limonciello, Andy Shevchenko).
* acpi-pm:
ACPI: x86: s2idle: Add a function to get LPS0 constraint for a device
ACPI: x86: s2idle: Add for_each_lpi_constraint() helper
ACPI: x86: s2idle: Add more debugging for AMD constraints parsing
ACPI: x86: s2idle: Fix a logic error parsing AMD constraints table
ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects
ACPI: x86: s2idle: Post-increment variables when getting constraints
ACPI: Adjust #ifdef for *_lps0_dev use
Merge ACPI device enumeration changes, ACPI TAD and extlog drivers
updates, and miscellaneous ACPI-related changes for 6.6-rc1:
- Defer enumeration of devices with _DEP pointing to IVSC (Wentong Wu).
- Install SystemCMOS address space handler for ACPI000E (TAD) to meet
platform firmware expectations on some platforms (Zhang Rui).
- Fix finding the generic error data in the ACPi extlog driver for
compatibility with old and new firmware interface versions (Xiaochun
Lee).
- Remove assorted unused declarations of functions (Yue Haibing).
- Move AMBA bus scan handling into arm64 specific directory (Sudeep
Holla).
* acpi-scan:
ACPI: scan: Defer enumeration of devices with a _DEP pointing to IVSC device
* acpi-tad:
ACPI: TAD: Install SystemCMOS address space handler for ACPI000E
* acpi-extlog:
ACPI: extlog: Fix finding the generic error data for v3 structure
* acpi-misc:
ACPI: Remove assorted unused declarations of functions
ACPI: Remove unused extern declaration acpi_paddr_to_node()
ACPI: Move AMBA bus scan handling into arm64 specific directory
Merge ACPI thermal driver changes for 6.6-rc1:
- Drop non-functional nocrt parameter from ACPI thermal (Mario
Limonciello).
- Clean up the ACPI thermal driver, rework the handling of firmware
notifications in it and make it provide a table of generic trip point
structures to the core during initialization (Rafael Wysocki).
* acpi-thermal:
ACPI: thermal: Eliminate code duplication from acpi_thermal_notify()
ACPI: thermal: Drop unnecessary thermal zone callbacks
ACPI: thermal: Rework thermal_get_trend()
ACPI: thermal: Use trip point table to register thermal zones
thermal: core: Rework and rename __for_each_thermal_trip()
ACPI: thermal: Introduce struct acpi_thermal_trip
ACPI: thermal: Carry out trip point updates under zone lock
ACPI: thermal: Clean up acpi_thermal_register_thermal_zone()
thermal: core: Add priv pointer to struct thermal_trip
thermal: core: Introduce thermal_zone_device_exec()
thermal: core: Do not handle trip points with invalid temperature
ACPI: thermal: Drop redundant local variable from acpi_thermal_resume()
ACPI: thermal: Do not attach private data to ACPI handles
ACPI: thermal: Drop enabled flag from struct acpi_thermal_active
ACPI: thermal: Drop nocrt parameter
Merge ACPI processor driver changes for 6.6-rc1:
- Support obtaining physical CPU ID from MADT on LoongArch (Bibo Mao).
- Convert ACPI CPU initialization to using _OSC instead of _PDC that
has been depreceted since 2018 and dropped from the specification in
ACPI 6.5 (Michal Wilczynski, Rafael Wysocki).
* acpi-processor:
ACPI: processor: LoongArch: Get physical ID from MADT
ACPI: processor: Refine messages in acpi_early_processor_control_setup()
ACPI: processor: Remove acpi_hwp_native_thermal_lvt_osc()
ACPI: processor: Use _OSC to convey OSPM processor support information
ACPI: processor: Introduce acpi_processor_osc()
ACPI: processor: Set CAP_SMP_T_SWCOORD in arch_acpi_set_proc_cap_bits()
ACPI: processor: Clear C_C2C3_FFH and C_C1_FFH in arch_acpi_set_proc_cap_bits()
ACPI: processor: Rename ACPI_PDC symbols
ACPI: processor: Refactor arch_acpi_set_pdc_bits()
ACPI: processor: Move processor_physically_present() to acpi_processor.c
ACPI: processor: Move MWAIT quirk out of acpi_processor.c
Merge changes related to the ACPI bus type and ACPI backlight driver
changes for 6.6-rc1:
- Introduce new wrappers for ACPICA notify handler install/remove and
convert multiple drivers to using their own Notify() handlers instead
of the ACPI bus type .notify() slated for removal (Michal Wilczynski).
- Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2 (Hans
de Goede).
- Put ACPI video and its child devices explicitly into D0 on boot to
avoid platform firmware confusion (Kai-Heng Feng).
- Add backlight=native DMI quirk for Lenovo Ideapad Z470 (Jiri Slaby).
* acpi-bus:
ACPI: thermal: Install Notify() handler directly
ACPI: NFIT: Remove unnecessary .remove callback
ACPI: NFIT: Install Notify() handler directly
ACPI: HED: Install Notify() handler directly
ACPI: battery: Install Notify() handler directly
ACPI: video: Install Notify() handler directly
ACPI: AC: Install Notify() handler directly
ACPI: bus: Set driver_data to NULL every time .add() fails
ACPI: bus: Introduce wrappers for ACPICA notify handler install/remove
* acpi-video:
ACPI: video: Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2
ACPI: video: Put ACPI video and its child devices into D0 on boot
ACPI: video: Add backlight=native DMI quirk for Lenovo Ideapad Z470
Merge ACPICA material for 6.6-rc1.
This includes some fixes, cleanups and new material, mostly related to
parsing tables.
Specifics:
- Suppress a GCC 12 dangling-pointer warning (Philip Prindeville).
- Reformat the ACPI_STATE_COMMON macro and its users (George Guo).
- Replace the ternary operator with ACPI_MIN() (Jiangshan Yi).
- Add support for _DSC as per ACPI 6.5 (Saket Dumbre).
- Remove a duplicate macro from zephyr header (Najumon B.A).
- Add data structures for GED and _EVT tracking (Jose Marinho).
- Fix misspelled CDAT DSMAS define (Dave Jiang).
- Simplify an error message in acpi_ds_result_push() (Christophe
Jaillet).
- Add a struct size macro related to SRAT (Dave Jiang).
- Add AML_NO_OPERAND_RESOLVE flag to Timer (Abhishek Mainkar).
- Add support for RISC-V external interrupt controllers in MADT (Sunil
V L).
- Add RHCT flags, CMO and MMU nodes (Sunil V L).
- Change ACPICA version to 20230628 (Bob Moore).
* acpica:
ACPICA: Update version to 20230628
ACPICA: RHCT: Add flags, CMO and MMU nodes
ACPICA: MADT: Add RISC-V external interrupt controllers
ACPICA: Add AML_NO_OPERAND_RESOLVE flag to Timer
ACPICA: Add a define for size of struct acpi_srat_generic_affinity device_handle
ACPICA: Slightly simplify an error message in acpi_ds_result_push()
ACPICA: Fix misspelled CDAT DSMAS define
ACPICA: Add interrupt command to acpiexec
ACPICA: Detect GED device and keep track of _EVT
ACPICA: fix for conflict macro definition on zephyr interface
ACPICA: Add support for _DSC as per ACPI 6.5
ACPICA: exserial.c: replace ternary operator with ACPI_MIN()
ACPICA: Modify ACPI_STATE_COMMON
ACPICA: Fix GCC 12 dangling-pointer warning
Coresight and hwtracing subsystem updates for Linux v6.6 includes:
- ACPI support for CoreSight ETMv4x via system instructions and Arm ETE (v9.x).
- Fix potential sleeping in atomic context for TRBE driver
- Fix memory leak in ACPI platform parsing code
- Fix all warnings with W=1
- Fix warning with double free attempt for TRBE platform data
- Miscellaneous cleanups and fixes
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
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Merge tag 'coresight-next-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next
Suzuki writes:
coresigh: Updates for v6.6
Coresight and hwtracing subsystem updates for Linux v6.6 includes:
- ACPI support for CoreSight ETMv4x via system instructions and Arm ETE (v9.x).
- Fix potential sleeping in atomic context for TRBE driver
- Fix memory leak in ACPI platform parsing code
- Fix all warnings with W=1
- Fix warning with double free attempt for TRBE platform data
- Miscellaneous cleanups and fixes
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
* tag 'coresight-next-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux:
coresight: trbe: Fix TRBE potential sleep in atomic context
coresight: Fix memory leak in acpi_buffer->pointer
coresight: etm4x: Ensure valid drvdata and clock before clk_put()
coresight: trbe: Allocate platform data per device
hwtracing: hisi_ptt: Use pci_dev_id() to simplify the code
coresight: dummy: simplify the code with module_platform_driver
coresight: tmc: Explicit type conversions to prevent integer overflow
coresight: trbe: Directly use ID_AA64DFR0_EL1_TraceBuffer_IMP
coresight: Fix all W=1 build warnings
coresight: etm4x: Add ACPI support in platform driver
coresight: platform: acpi: Ignore the absence of graph
coresight: etm4x: Change etm4_platform_driver driver for MMIO devices
coresight: etm4x: Drop pid argument from etm4_probe()
coresight: etm4x: Drop iomem 'base' argument from etm4_probe()
coresight: etm4x: Allocate and device assign 'struct etmv4_drvdata' earlier
hwtracing: coresight: Explicitly include correct DT includes
Instead of bypassing the kernel's adaptation layer for performing EFI
runtime calls, wire up ACPI PRM handling into it. This means these calls
can no longer occur concurrently with EFI runtime calls, and will be
made from the EFI runtime workqueue. It also means any page faults
occurring during PRM handling will be identified correctly as
originating in firmware code.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
__efi_call_virt() exists as an alternative for efi_call_virt() for the
sole reason that ResetSystem() returns void, and so we cannot use a call
to it in the RHS of an assignment.
Given that there is only a single user, let's drop the macro, and expand
it into the caller. That way, the remaining macro can be tightened
somewhat in terms of type safety too.
Note that the use of typeof() on the runtime service invocation does not
result in an actual call being made, but it does require a few pointer
types to be fixed up and converted into the proper function pointer
prototypes.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
If not supported, fallback to not using memap on memmory. This avoids
the need for callers to do the fallback.
Link: https://lkml.kernel.org/r/20230808091501.287660-3-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Other parts of the kernel may use LPS0 constraints information to make
decisions on what power state to put a device into.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
[ rjw: Rewrite kerneldoc, rearrange if () statement, edit subject and
changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
We have one existing and one coming user of this macro.
Introduce a helper.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
While parsing the constraints show all the entries for the table
to aid with debugging other problems later.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The constraints table should be resetting the `list` object
after running through all of `info_obj` iterations.
This adjusts whitespace as well as less code will now be included
with each loop. This fixes a functional problem is fixed where a
badly formed package in the inner loop may have incorrect data.
Fixes: 146f1ed852 ("ACPI: PM: s2idle: Add AMD support to handle _DSM")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
If a badly constructed firmware includes multiple `ACPI_TYPE_PACKAGE`
objects while evaluating the AMD LPS0 _DSM, there will be a memory
leak. Explicitly guard against this.
Suggested-by: Bjorn Helgaas <helgaas@kernel.org>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
When code uses a pre-increment it makes the reader question "why".
In the constraint fetching code there is no reason for the variables
to be pre-incremented so adjust to post-increment.
No intended functional changes.
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Suggested-by: Bjorn Helgaas <helgaas@kernel.org>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
It turns out that some PCSpecialist Elimina Pro 16 M models
have "GM6BGEQ" as DMI product-name instead of "Elimina Pro 16 M",
causing the existing DMI quirk to not work on these models.
The DMI board-name is always "GM6BGEQ", so match on that instead.
Fixes: 56fec0051a ("ACPI: resource: Add IRQ override quirk for PCSpecialist Elimina Pro 16 M")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217394#c36
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Currently, the SystemCMOS address space handler is installed for the
ACPI RTC devices (PNP0B00/PNP0B01/PNP0B02) only. But there are platforms
with SystemCMOS Operetion Region defined under the ACPI Time and Alarm
Device (ACPI000E), which is used by the ACPI pre-defined control methods
like _GRT (Get the Real time) and _SRT (Set the Real time).
When accessing these control methods via the acpi_tad sysfs interface,
missing SystemCMOS address space handler causes errors like below
[ 478.255453] ACPI Error: No handler for Region [RTCM] (00000000a8d2dd39) [SystemCMOS] (20230331/evregion-130)
[ 478.255458] ACPI Error: Region SystemCMOS (ID=5) has no handler (20230331/exfldio-261)
[ 478.255461] Initialized Local Variables for Method [_GRT]:
[ 478.255461] Local1: 00000000f182542c <Obj> Integer 0000000000000000
[ 478.255464] No Arguments are initialized for method [_GRT]
[ 478.255465] ACPI Error: Aborting method \_SB.AWAC._GRT due to previous error (AE_NOT_EXIST) (20230331/psparse-529)
Export two APIs for SystemCMOS address space handler from acpi_cmos_rtc
scan handler and install the handler for the ACPI Time and Alarm Device
from the ACPI TAD driver.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217714
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
[ rjw: Subject and changelog edits, whitespace adjustment ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
acpi_create_dir()/acpi_remove_dir() are never implemented since
the beginning of git history.
Commit f8d3148962 ("ACPICA: Debugger: Convert some mechanisms to OSPM specific")
declared but never implemented acpi_run_debugger().
Commit 781d737c74 ("ACPI: Drop power resources driver")
removed acpi_power_init() but not its declaration.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
[ rjw: Subject edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Fix by using acpi_hest_get_payload() to find out the correct
generic error data for v3 structure.
The revision v300 generic error data is different from the old one, so
for compatibility with old and new version, change to a new interface to
locate the right memory error section that was defined in CPER.
Signed-off-by: Xiaochun Lee <lixc17@lenovo.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Screen brightness can only be changed once on HP ZBook Fury 16 G10.
The vendor reports that the issue is related to the fact that Linux doesn't
invoke _PS0 at boot for all ACPI devices, as expected by the platform firmware:
Scope (\_SB.PC00.GFX0)
{
Scope (DD1F)
{
Method (_PS0, 0, Serialized) // _PS0: Power State 0
{
If (CondRefOf (\_SB.PC00.LPCB.EC0.SSBC))
{
\_SB.PC00.LPCB.EC0.SSBC ()
}
}
...
}
...
}
The \_SB.PC00.GFX0.DD1F is the panel device, and its _PS0 needs to be
executed at the initialization time to make the brightness control work
properly.
_PS0 is not evaluated for this device, because _PSC is missing,
which violates the ACPI specification (ACPI 6.5, section 7.3.6).
Commit b378549226 ("ACPI / PM: Do not power manage devices in unknown
initial states") tried to work around missing _PSC on platforms with
defective firmware, but got reverted due to a regression.
So the safest approach is to use acpi_device_fix_up_power_extended() to
put ACPI video and its child devices to D0 to address the issue at hand.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217683
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
With ACPI Spec 6.5 chapter 5.2.12.20, each processor in LoongArch
systems has a Core Programmable Interrupt Controller in MADT. The
value of its type is 0x11 in the spec and defined as enum variable
ACPI_MADT_TYPE_CORE_PIC in the Linux kernel.
Physical IDs can be retrieved from MADT for LoongArch systems during
initialization and they can be retrieved from the _MAT output for
hotplug CPUs.
Add physical CPU ID enumeration for LoongArch systems.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Inside IVSC, switching ownership requires an interface with two
different hardware modules, ACE and CSI. The software interface
to these modules is based on Intel MEI framework. Usually mei
client devices are dynamically created, so the info of consumers
depending on mei client devices is not present in the firmware
tables.
This causes problems with the probe ordering with respect to
drivers for consumers of these MEI client devices. But on these
camera sensor devices, the ACPI nodes describing the sensors all
have a _DEP dependency on the matching MEI bus ACPI device, so
adding IVSC MEI bus ACPI device to acpi_honor_dep_ids allows
solving the probe-ordering problem by deferring the enumeration of
ACPI-devices which have a _DEP dependency on an IVSC mei bus ACPI
device.
On TGL platform, the HID of IVSC MEI bus ACPI device is INTC1059,
and on ADL platform, the HID is INTC1095. So add both of them to
acpi_honor_dep_ids.
Signed-off-by: Wentong Wu <wentong.wu@intel.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Move the acpi_bus_generate_netlink_event() invocation into
acpi_thermal_trips_update() which allows the code duplication in
acpi_thermal_notify() to be cleaned up, but for this purpose the
event value needs to be passed to acpi_thermal_trips_update() and
from there to acpi_thermal_adjust_thermal_zone() which has to
determine the flag value for __acpi_thermal_trips_update() by
itself.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Drop the .get_trip_type(), .get_trip_temp() and .get_crit_temp() thermal
zone callbacks that are not necessary any more from the ACPI thermal
driver along with the corresponding callback functions.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Rework the ACPI thermal driver's .get_trend() callback function,
thermal_get_trend(), so that it does not call thermal_get_trip_type()
and thermal_get_trip_temp() which are going to be dropped.
This reduces the overhead of the function too, because it will always
carry out a trip point lookup once after the change.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Make the ACPI thermal driver use thermal_zone_device_register_with_trips()
to register its thermal zones.
For this purpose, make it create a trip point table that will be passed to
thermal_zone_device_register_with_trips() as an argument.
Also use the thermal_zone_update_trip_temp() helper introduced
previously to update temperatures of the passive and active trip
points after a trip points change notification from the platform
firmware.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add struct acpi_thermal_trip to contain the temperature and valid flag
of each trip point in the driver's local data structures.
This helps to make the subsequent changes more straightforward.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There is a race condition between acpi_thermal_trips_update() and
acpi_thermal_check_fn(), because the trip points may get updated while
the latter is running which in theory may lead to inconsistent results.
For example, if two trips are updated together, using the temperature
value of one of them from before the update and the temperature value
of the other one from after the update may not lead to the expected
outcome.
Moreover, if thermal_get_trend() runs when a trip points update is in
progress, it may end up using stale trip point temperatures.
To address this, make acpi_thermal_trips_update() call
thermal_zone_device_exec() to carry out the trip points update and
use a new acpi_thermal_adjust_thermal_zone() wrapper around
__acpi_thermal_trips_update() as the callback function for the latter.
While at it, change the acpi_thermal_trips_update() return data type
to void as that function always returns 0 anyway.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Rename the trips variable in acpi_thermal_register_thermal_zone() to
trip_count so its name better reflects the purpose, rearrange white
space in the loop over active trips for clarity and reduce code
duplication related to calling thermal_zone_device_register() by
using an extra local variable to store the passive delay value.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Some HiSilicon SMMU PMCG suffers the erratum 162001900 that the PMU
disable control sometimes fail to disable the counters. This will lead
to error or inaccurate data since before we enable the counters the
counter's still counting for the event used in last perf session.
This patch tries to fix this by hardening the global disable process.
Before disable the PMU, writing an invalid event type (0xffff) to
focibly stop the counters. Correspondingly restore each events on
pmu::pmu_enable().
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/20230814124012.58013-1-yangyicong@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
Highlights:
- lenovo-ymc driver causes keyboard + touchpad to not work with >= 6.4
on some Thinkbook models, fix this
- A set of small fixes for mlx-platform
- Other small fixes and hw-id additions
The following is an automated git shortlog grouped by driver:
ACPI:
- scan: Create platform device for CS35L56
ISST:
- Reduce noise for missing numa information in logs
lenovo-ymc:
- Only bind on machines with a convertible DMI chassis-type
msi-ec:
- Fix the build
platform:
- mellanox: Change register offset addresses
- mellanox: mlx-platform: Modify graceful shutdown callback and power down mask
- mellanox: mlx-platform: Fix signals polarity and latch mask
- mellanox: Fix order in exit flow
platform/x86/amd/pmf:
- Fix unsigned comparison with less than zero
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Merge tag 'platform-drivers-x86-v6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers fixes from Hans de Goede:
- lenovo-ymc driver causes keyboard + touchpad to not work with >= 6.4
on some Thinkbook models, fix this
- A set of small fixes for mlx-platform
- Other small fixes and hw-id additions
* tag 'platform-drivers-x86-v6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: lenovo-ymc: Only bind on machines with a convertible DMI chassis-type
platform: mellanox: Change register offset addresses
platform: mellanox: mlx-platform: Modify graceful shutdown callback and power down mask
platform: mellanox: mlx-platform: Fix signals polarity and latch mask
platform: mellanox: Fix order in exit flow
platform/x86: ISST: Reduce noise for missing numa information in logs
platform/x86: msi-ec: Fix the build
ACPI: scan: Create platform device for CS35L56
platform/x86/amd/pmf: Fix unsigned comparison with less than zero
Commit dabc621a31 ("ACPI: thermal: Drop enabled flag from struct
acpi_thermal_active") left behind a variable that is only assigned to
and never read, so drop it now.
Fixes: dabc621a31 ("ACPI: thermal: Drop enabled flag from struct acpi_thermal_active")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The PCSpecialist Elimina Pro 16 M laptop model is a Zen laptop which
needs to use the MADT IRQ settings override and which does not have
an INT_SRC_OVR entry for IRQ 1 in its MADT.
So this model needs a DMI quirk to enable the MADT IRQ settings override
to fix its keyboard not working.
Fixes: a9c4a912b7 ("ACPI: resource: Remove "Zen" specific match and quirks")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217394#c18
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
On AMD Zen acpi_dev_irq_override() by default prefers the DSDT IRQ 1
settings over the MADT settings.
This causes the keyboard to malfunction on some laptop models
(see Links), all models from the Links have an INT_SRC_OVR MADT entry
for IRQ 1.
Fixes: a9c4a912b7 ("ACPI: resource: Remove "Zen" specific match and quirks")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217336
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217394
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217406
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
All the cases, were the DSDT IRQ settings should be used instead of
the MADT override, are for IRQ 1 or 12, the PS/2 kbd resp. mouse IRQs.
Simplify things by always honering the override for other legacy IRQs
(for non DMI quirked cases).
This allows removing the DMI quirks to honor the override for
some non i8042 IRQs on some AMD ZEN based Lenovo models.
Fixes: a9c4a912b7 ("ACPI: resource: Remove "Zen" specific match and quirks")
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The ACPI thermal driver uses acpi_bus_attach_private_data() to attach
the thermal zone object to the ACPI handle of the thermal zone and
acpi_bus_detach_private_data() to clean that up, but it never uses
acpi_bus_get_private_data() to retrieve that object.
Drop the unneded acpi_bus_attach_private_data() and
acpi_bus_detach_private_data() calls from the ACPI thermal driver and
clean up the related code.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
The enabled field of struct acpi_thermal_active is only updated and never
read, so drop it along with the related code.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit fcea0ccf4f ("ACPI: bus: Consolidate all arm specific
initialisation into acpi_arm_init()") moved all of the ARM-specific
initialization into acpi_arm_init(). However, acpi_amba.c being outside
of drivers/acpi/arm64 got ignored and hence acpi_amba_init() was not
moved into acpi_arm_init().
Move the AMBA platform bus support into arm64 specific folder and make
acpi_amba_init() part of acpi_arm_init().
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The ACPI device CSC3556 is a Cirrus Logic CS35L56 mono amplifier which
is used in multiples, and can be connected either to I2C or SPI.
There will be multiple instances under the same Device() node. Add it
to ignore_serial_bus_ids and handle it in the serial-multi-instantiate
driver.
There can be a 5th I2cSerialBusV2, but this is an alias address and doesn't
represent a real device. Ignore this by having a dummy 5th entry in the
serial-multi-instantiate instance list with the name of a non-existent
driver, on the same pattern as done for bsg2150.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20230728111345.7224-1-rf@opensource.cirrus.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
According to the ARM IORT specifications DEN 0049 issue E,
the "Number of IDs" field in the ID mapping format reports
the number of IDs in the mapping range minus one.
In iort_node_get_rmr_info(), we erroneously skip ID mappings
whose "Number of IDs" equal to 0, resulting in valid mapping
nodes with a single ID to map being skipped, which is wrong.
Fix iort_node_get_rmr_info() by removing the bogus id_count
check.
Fixes: 491cf4a673 ("ACPI/IORT: Add support to retrieve IORT RMR reserved regions")
Signed-off-by: Guanghui Feng <guanghuifeng@linux.alibaba.com>
Cc: <stable@vger.kernel.org> # 6.0.x
Acked-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Tested-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/1689593625-45213-1-git-send-email-guanghuifeng@linux.alibaba.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Drop ETM4X ACPI ID from the AMBA ACPI device list, and instead just move it
inside the new ACPI devices list detected and used via platform driver.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: linux-acpi@vger.kernel.org
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> (for ACPI specific changes)
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Tested-by: Tanmay Jagdale <tanmay@marvell.com>
Link: https://lore.kernel.org/r/20230710062500.45147-7-anshuman.khandual@arm.com
The source and meaning of the messages printed by
acpi_early_processor_control_setup() is unclear, so add a pr_fmt()
definition to acpi_processor.c and expand the messages to make it
clear that they are about CPUs.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Michal Wilczynski <michal.wilczynski@intel.com>
The `nocrt` module parameter has no code associated with it and does
nothing. As `crt=-1` has same functionality as what nocrt should be
doing drop `nocrt` and associated documentation.
This should fix a quirk for Gigabyte GA-7ZX that used `nocrt` and
thus didn't function properly.
Fixes: 8c99fdce30 ("ACPI: thermal: set "thermal.nocrt" via DMI on Gigabyte GA-7ZX")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The Lenovo Ideapad Z470 predates Windows 8, so it defaults to using
acpi_video for backlight control. But this is not functional on this
model.
Add a DMI quirk to use the native backlight interface which works.
Link: https://bugzilla.suse.com/show_bug.cgi?id=1208724
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The workaround for buggy skylake BIOSes is now implemented in
acpi_processor_osc() and acpi_hwp_native_thermal_lvt_osc() has no
callers, so drop it.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Change acpi_early_processor_osc() to return a value in case of a
failure and make it static.
Also make it run acpi_processor_osc() for every processor object or
processor device found in the ACPI Namespace (previously, its only purpose
was to work around platform firmware defects on Skylake systems).
Introduce a new function called acpi_early_processor_control_setup() that
will invoke acpi_early_processor_osc() first in order to convey the OS
processor support information to the platform firmware and if that fails,
it will fall back to using _PDC.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Subject and changelog edits, change function return value to bool,
add missing 'static', change messages ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Modify the ACPI thermal driver to install its own Notify() handler
directly instead of providing an ACPI driver .notify() callback.
This will allow the ACPI driver .notify() callback to be eliminated and
it will allow the thermal driver to be switched over to a platform one
in the future.
While at it, fix up whitespaces in acpi_thermal_remove().
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits, whitespace adjustments ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The ACPI NFIT driver provides an empty function as it's .remove() callback
which is not necessary, so drop the empty acpi_nfit_remove() and the
.remove() callback initialization from it.
Suggested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Modify the ACPI NFIT driver to install its own Notify() handler directly
instead of providing an ACPI driver .notify() callback.
This will allow the ACPI driver .notify() callback to be eliminated.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits, whitespace adjustments ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Modify the ACPI HED driver to install its own Notify() handler directly
instead of providing an ACPI driver .notify() callback.
This will allow the ACPI driver .notify() callback to be eliminated and
it will allow the HED driver to be switched over to a platform one in
the future.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits, whitespace adjustments ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Modify the ACPI battery driver to install its own Notify() handler
directly instead of providing an ACPI driver .notify() callback.
This will allow the ACPI driver .notify() callback to be eliminated and
it will allow the battery driver to be switched over to a platform one
in the future.
While at it, fix up whitespaces in acpi_battery_remove().
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits, whitespace adjustments ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Modify the ACPI video driver to install its own Notify() handler directly
instead of providing an ACPI driver .notify() callback.
This will allow the ACPI driver .notify() callback to be eliminated and
it will allow the ideo driver to be switched over to a platform one in
the future.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits, whitespace adjustments ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Modify the ACPI AC driver to install its own Notify() handler directly
instead of providing an ACPI driver .notify() callback.
This will allow the ACPI driver .notify() callback to be eliminated and
it will allow the AC driver to be switched over to a platform one in the
future.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits, whitespace adjustments ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Most ACPI drivers set driver_data in their .add() callbacks, but usually
they don't clear it in the error code path.
Set driver_data to NULL in acpi_device_probe() to prevent stale pointers
from staying around.
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Introduce new functions acpi_dev_install_notify_handler() and
acpi_dev_remove_notify_handler(), to install and remove, respectively,
a handler for AML Notify() operations targeted at a given ACPI device
object. They will allow drivers to install Notify() handlers directly
instead of providing an ACPI driver .notify() callback to be invoked
in the context of a Notify() handler installed by the ACPI bus type
code. In particular, this will help platform drivers to provide
Notify() handlers for the ACPI companions of the platform devices
they bind to.
These functions are replacements for acpi_device_install_notify_handler()
and acpi_device_remove_notify_handler(), respectively, and after all
drivers switch over to using them, the old ones will be dropped.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits, whitespace adjustments ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The processor _OSC method is already used for a workaround introduced
in commit a21211672c ("ACPI / processor: Request native thermal
interrupt handling via _OSC"), but in accordance with ACPI 6.5 (and
earlier), it should be used for negotiating all of the processor
capabilities instead of _PDC (which has been deprecated since ACPI 3.0
and got removed from ACPI 6.5 entirely).
Create a new callback function called acpi_processor_osc() to be invoked
for every processor object and processor device in the ACPI namespace, in
analogy with the already existing acpi_hwp_native_thermal_lvt_osc().
Make this function implement the workaround mentioned above and convey
all of the OSPM processor support information to the platform firmware
by setting all of the appropriate processor capabilities bits before
evaluating _OSC for the given processor. For this purpose, make it
call arch_acpi_set_proc_cap_bits() and modify the latter to set
ACPI_PROC_CAP_COLLAB_PROC_PERF along with the other processor
capabilities bits.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Subject and changelog edits, whitespace fixup ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Currently, ACPI_PROC_CAP_SMP_T_SWCOORD is set in acpi_set_pdc_bits(), but
it is not _PDC-specific. It should be set along with the other processor
capability bits.
Move the setting of ACPI_PROC_CAP_SMP_T_SWCOORD to
arch_acpi_set_proc_cap_bits().
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Currently arch_acpi_set_proc_cap_bits() clears ACPI_PDC_C_C2C3_FFH bit in
case MWAIT instruction is not supported.
It should also clear ACPI_PDC_C_C1_FFH, as when MWAIT is not supported,
C1 is entered by executing the HLT instruction.
Quote from the C_C1_FFH description:
"If set, OSPM is capable of performing native C State instructions (beyond
halt) for the C1 handler in multi-processor configurations". As without
MWAIT there is no native C-state instructions beyond HALT, this bit
should be toggled off."
Clear ACPI_PDC_C_C1_FFH and ACPI_PDC_C_C2C3_FFH in
arch_acpi_set_proc_cap_bits() in case MWAIT is not supported or
overridden.
Remove setting those bits from the processor_pdc.c code.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The prefix in the names of the ACPI_PDC symbols suggests that they are
only relevant for _PDC, but in fact they can also be used in the _OSC.
Change that prefix to a more generic ACPI_PROC_CAP that will better
reflect the purpose of those symbols as they represent bits in a general
processor capabilities buffer.
Rename pdc_intel.h to proc_cap_intel.h to follow the change of the
symbol name prefix.
No intentional functional impact.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The capabilities buffer modified by the arch_acpi_set_pdc_bits() is not
_PDC-specific, as it can be used by _OSC too.
Change the name of that function to better reflect its independence from
_PDC and make it take the capabilities buffer address as the argument
directly, without any offset, as _OSC and _PDC use different capabilities
buffer offsets.
No intentional functional impact.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Since _PDC method is deprecated and a preferred method of communicating
OSPM processor power management capabilities is _OSC, there is a need to
move function checking whether processor is present as this logic is not
_PDC specific.
Move processor_physically_present() to acpi_processor.c.
No intentional functional impact.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit 2a2a64714d ("ACPI: Disable MWAIT via DMI on broken Compal board")
introduced a workaround for MWAIT for a specific x86 system.
Move the code outside of acpi_processor.c to acpi/x86/ directory for
consistency and rename the functions associated with it, so their names
start with "acpi_proc_quirk_" to make the goal obvious.
No intentional functional impact.
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits, two function names changed ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This is a step toward making __iommu_probe_device() self contained.
It should, under proper locking, check if the device is already associated
with an iommu driver and resolve parallel probes. All but one of the
callers open code this test using two different means, but they all
rely on dev->iommu_group.
Currently the bus_iommu_probe()/probe_iommu_group() and
probe_acpi_namespace_devices() rejects already probed devices with an
unlocked read of dev->iommu_group. The OF and ACPI "replay" functions use
device_iommu_mapped() which is the same read without the pointless
refcount.
Move this test into __iommu_probe_device() and put it under the
iommu_probe_device_lock. The store to dev->iommu_group is in
iommu_group_add_device() which is also called under this lock for iommu
driver devices, making it properly locked.
The only path that didn't have this check is the hotplug path triggered by
BUS_NOTIFY_ADD_DEVICE. The only way to get dev->iommu_group assigned
outside the probe path is via iommu_group_add_device(). Today the only
caller is VFIO no-iommu which never associates with an iommu driver. Thus
adding this additional check is safe.
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/1-v3-328044aa278c+45e49-iommu_probe_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
ACPICA commit 90310989a0790032f5a0140741ff09b545af4bc5
According to the ACPI specification 19.6.134, no argument is required to be passed for ASL Timer instruction. For taking care of no argument, AML_NO_OPERAND_RESOLVE flag is added to ASL Timer instruction opcode.
When ASL timer instruction interpreted by ACPI interpreter, getting error. After adding AML_NO_OPERAND_RESOLVE flag to ASL Timer instruction opcode, issue is not observed.
=============================================================
UBSAN: array-index-out-of-bounds in acpica/dswexec.c:401:12 index -1 is out of range for type 'union acpi_operand_object *[9]'
CPU: 37 PID: 1678 Comm: cat Not tainted
6.0.0-dev-th500-6.0.y-1+bcf8c46459e407-generic-64k
HW name: NVIDIA BIOS v1.1.1-d7acbfc-dirty 12/19/2022 Call trace:
dump_backtrace+0xe0/0x130
show_stack+0x20/0x60
dump_stack_lvl+0x68/0x84
dump_stack+0x18/0x34
ubsan_epilogue+0x10/0x50
__ubsan_handle_out_of_bounds+0x80/0x90
acpi_ds_exec_end_op+0x1bc/0x6d8
acpi_ps_parse_loop+0x57c/0x618
acpi_ps_parse_aml+0x1e0/0x4b4
acpi_ps_execute_method+0x24c/0x2b8
acpi_ns_evaluate+0x3a8/0x4bc
acpi_evaluate_object+0x15c/0x37c
acpi_evaluate_integer+0x54/0x15c
show_power+0x8c/0x12c [acpi_power_meter]
Link: https://github.com/acpica/acpica/commit/90310989
Signed-off-by: Abhishek Mainkar <abmainkar@nvidia.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 3a9dbc5cb1573b87a16b50918977ab9e53e24408
'object' is known to be NULL at this point. There is little value to log
it twice in the error message.
Link: https://github.com/acpica/acpica/commit/3a9dbc5c
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit ef7cf185a046d76119b631f16e7c991543c80edc
This commit add the Interrupt command to acpiexec.
The Interrupt command simulates an interrupt with a int_ID (GSIV)
equal to the first argument of the call.
The acpiexec code simulates the behaviour by OSPM: execute the _EVT
method of the GED device associated with that int_ID.
Link: https://github.com/acpica/acpica/commit/ef7cf185
Signed-off-by: Jose Marinho <jose.marinho@arm.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit dc6fd1d12903015726a8a6f87f63e86141576a68
The GED device is described by a _HID of ACPI0013.
This code traverses the namespace identifying all GED devices.
For each GED device in the namespace we record 1) the Interrupt objects
and the _EVT method.
This information is used when an interrupt is simulate.
Link: https://github.com/acpica/acpica/commit/dc6fd1d1
Signed-off-by: Jose Marinho <jose.marinho@arm.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit a597e3b247df72aec0f6e056c95abe2d973ac10c
Link: https://github.com/acpica/acpica/commit/a597e3b2
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 2250f71fe77396db21df805222ffcbf19e1e7896
Make the code simpler and more readable.
Link: https://github.com/acpica/acpica/commit/2250f71f
Signed-off-by: Jiangshan Yi <yijiangshan@kylinos.cn>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 0a43d3521582b5234f69e8bb535e83325387525a
Avoid trailing semicolons in macro, and it's not readable to put macro ACPI_STATE_COMMON and other
variables in the same line.
So modify the macro and just put it in a single line.
Link: https://github.com/acpica/acpica/commit/0a43d352
Signed-off-by: George Guo <guodongtai@kylinos.cn>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit aea0a5cfce262ce2ab16fd96d87c12cf5e756380
We're storing a persistent pointer to an ephemeral local variable
which technically is a dangling pointer and the compiler is correct.
However, since we never indirect the pointer, this is a safe
operation and we can suppress the warning.
Also, some C run-times (like MUSL) aren't including <stdint.h>
indirectly so we must include it explicitly or we won't have the
type definition for uintptr_t.
Fixes issue #867.
Link: https://github.com/acpica/acpica/commit/aea0a5cf
Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Make acpi_companion_match() return a const pointer and update its
callers accordingly (Andy Shevchenko).
- Move the extern declaration of the acpi_root variable to a header
file so as to address a compiler warning (Andy Shevchenko).
- Address compiler warnings in the ACPI device enumeration code by
adding a missing header file include to it (Ben Dooks).
- Refine the SMB0001 quirk in the ACPI device enumeration code so as to
address an i2c-scmi driver regression (Andy Shevchenko).
- Clean up two pieces of the ACPI device enumeration code (Andy
Shevchenko).
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Merge tag 'acpi-6.5-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These fix a couple of compiler warnings, refine an ACPI device
enumeration quirk to address a driver regression and clean up code.
Specifics:
- Make acpi_companion_match() return a const pointer and update its
callers accordingly (Andy Shevchenko)
- Move the extern declaration of the acpi_root variable to a header
file so as to address a compiler warning (Andy Shevchenko)
- Address compiler warnings in the ACPI device enumeration code by
adding a missing header file include to it (Ben Dooks)
- Refine the SMB0001 quirk in the ACPI device enumeration code so as
to address an i2c-scmi driver regression (Andy Shevchenko)
- Clean up two pieces of the ACPI device enumeration code (Andy
Shevchenko)"
* tag 'acpi-6.5-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: scan: Use the acpi_match_acpi_device() helper
ACPI: platform: Move SMB0001 HID to the header and reuse
ACPI: platform: Ignore SMB0001 only when it has resources
ACPI: bus: Introduce acpi_match_acpi_device() helper
ACPI: scan: fix undeclared variable warnings by including sleep.h
ACPI: bus: Constify acpi_companion_match() returned value
ACPI: scan: Move acpi_root to internal header
Merge additional ACPI device enumeration code changes for 6.5-rc1.
- Make acpi_companion_match() return a const pointer and update its
callers accordingly (Andy Shevchenko).
- Move the extern declaration of the acpi_root variable to a header
file so as to address a compiler warning (Andy Shevchenko).
- Address compiler warnings in the ACPI device enumeration code by
adding a missing header file include to it (Ben Dooks).
- Refine the SMB0001 quirk in the ACPI device enumeration code so as to
address an i2c-scmi driver regression (Andy Shevchenko).
- Clean up two pieces of the ACPI device enumeration code (Andy
Shevchenko).
* acpi-bus:
ACPI: bus: Constify acpi_companion_match() returned value
* acpi-scan:
ACPI: scan: Use the acpi_match_acpi_device() helper
ACPI: platform: Move SMB0001 HID to the header and reuse
ACPI: platform: Ignore SMB0001 only when it has resources
ACPI: bus: Introduce acpi_match_acpi_device() helper
ACPI: scan: fix undeclared variable warnings by including sleep.h
ACPI: scan: Move acpi_root to internal header
Instead of doing two pass parsing of the table, replace
acpi_match_device_ids() with acpi_match_acpi_device().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There are at least two places in the kernel that are using
the SMB0001 HID. Make it to be available via acpi_drivers.h
header file. While at it, replace hard coded one with a
definition.
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C
Link: https://lore.kernel.org/r/20230621151652.79579-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
After switching i2c-scmi driver to be a platform one, it stopped
being enumerated on number of Kontron platforms, because it's
listed in the forbidden_id_list.
To resolve the situation, add a flag to driver data to allow devices
with no resources in _CRS to be enumerated via platform bus.
Fixes: 03d4287add ("i2c: scmi: Convert to be a platform driver")
Closes: https://lore.kernel.org/r/60c1756765b9a3f1eab0dcbd84f59f00fe1caf48.camel@kontron.com
Link: https://lore.kernel.org/r/20230621151652.79579-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
[ rjw: Move has_resource definition to the block in which it is used and
initialize it to 'false' ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Match the ACPI device against a given list of ACPI IDs.
Subsequent changes will make use of this.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Changelog edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There are two pieces of data being exported from drivers/acpi/scan.c
(acpi_device_lock and acpi_wakeup_device_list) that don't have their
definitions declared in anything scan.c is including.
Fix the following sparse warnings by including sleep.h to add the
declarations of acpi_device_lock and acpi_wakeup_device_list to
fix the followng sparse warnings:
drivers/acpi/scan.c:42:1: warning: symbol 'acpi_device_lock' was not declared. Should it be static?
drivers/acpi/scan.c:43:1: warning: symbol 'acpi_wakeup_device_list' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* Support for ACPI.
* Various cleanups to the ISA string parsing, including making them
case-insensitive
* Support for the vector extension.
* Support for independent irq/softirq stacks.
* Our CPU DT binding now has "unevaluatedProperties: false"
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Merge tag 'riscv-for-linus-6.5-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Support for ACPI
- Various cleanups to the ISA string parsing, including making them
case-insensitive
- Support for the vector extension
- Support for independent irq/softirq stacks
- Our CPU DT binding now has "unevaluatedProperties: false"
* tag 'riscv-for-linus-6.5-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (78 commits)
riscv: hibernate: remove WARN_ON in save_processor_state
dt-bindings: riscv: cpus: switch to unevaluatedProperties: false
dt-bindings: riscv: cpus: add a ref the common cpu schema
riscv: stack: Add config of thread stack size
riscv: stack: Support HAVE_SOFTIRQ_ON_OWN_STACK
riscv: stack: Support HAVE_IRQ_EXIT_ON_IRQ_STACK
RISC-V: always report presence of extensions formerly part of the base ISA
dt-bindings: riscv: explicitly mention assumption of Zicntr & Zihpm support
RISC-V: remove decrement/increment dance in ISA string parser
RISC-V: rework comments in ISA string parser
RISC-V: validate riscv,isa at boot, not during ISA string parsing
RISC-V: split early & late of_node to hartid mapping
RISC-V: simplify register width check in ISA string parsing
perf: RISC-V: Limit the number of counters returned from SBI
riscv: replace deprecated scall with ecall
riscv: uprobes: Restore thread.bad_cause
riscv: mm: try VMA lock-based page fault handling first
riscv: mm: Pre-allocate PGD entries for vmalloc/modules area
RISC-V: hwprobe: Expose Zba, Zbb, and Zbs
RISC-V: Track ISA extensions per hart
...
1, Preliminary ClangBuiltLinux enablement;
2, Add support to clone a time namespace;
3, Add vector extensions support;
4, Add SMT (Simultaneous Multi-Threading) support;
5, Support dbar with different hints;
6, Introduce hardware page table walker;
7, Add jump-label implementation;
8, Add rethook and uprobes support;
9, Some bug fixes and other small changes.
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Merge tag 'loongarch-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- preliminary ClangBuiltLinux enablement
- add support to clone a time namespace
- add vector extensions support
- add SMT (Simultaneous Multi-Threading) support
- support dbar with different hints
- introduce hardware page table walker
- add jump-label implementation
- add rethook and uprobes support
- some bug fixes and other small changes
* tag 'loongarch-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (28 commits)
LoongArch: Remove five DIE_* definitions in kdebug.h
LoongArch: Add uprobes support
LoongArch: Use larch_insn_gen_break() for kprobes
LoongArch: Add larch_insn_gen_break() to generate break insns
LoongArch: Check for AMO instructions in insns_not_supported()
LoongArch: Move three functions from kprobes.c to inst.c
LoongArch: Replace kretprobe with rethook
LoongArch: Add jump-label implementation
LoongArch: Select HAVE_DEBUG_KMEMLEAK to support kmemleak
LoongArch: Export some arch-specific pm interfaces
LoongArch: Introduce hardware page table walker
LoongArch: Support dbar with different hints
LoongArch: Add SMT (Simultaneous Multi-Threading) support
LoongArch: Add vector extensions support
LoongArch: Add support to clone a time namespace
Makefile: Add loongarch target flag for Clang compilation
LoongArch: Mark Clang LTO as working
LoongArch: Include KBUILD_CPPFLAGS in CHECKFLAGS invocation
LoongArch: vDSO: Use CLANG_FLAGS instead of filtering out '--target='
LoongArch: Tweak CFLAGS for Clang compatibility
...
Fix suspend-to-idle breakage on multiple systems introduced by one of
the recent commits that may cause the affected systems to overheat while
suspended.
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Merge tag 'acpi-6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix suspend-to-idle breakage on multiple systems introduced by one of
the recent commits that may cause the affected systems to overheat
while suspended"
* tag 'acpi-6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: EC: Fix acpi_ec_dispatch_gpe()
Loongson-3A6000 has SMT (Simultaneous Multi-Threading) support, each
physical core has two logical cores (threads). This patch add SMT probe
and scheduler support via ACPI PPTT.
If SCHED_SMT enabled, Loongson-3A6000 is treated as 4 cores, 8 threads;
If SCHED_SMT disabled, Loongson-3A6000 is treated as 8 cores, 8 threads.
Remove smp_num_siblings to support HMP (Heterogeneous Multi-Processing).
Signed-off-by: Liupu Wang <wangliupu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
acpi_companion_match() doesn't alter the contents of the passed
parameter, so we don't expect that returned value can be altered
either. So constify it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Compiler is not happy about handling of acpi_root variable:
...drivers/acpi/bus.c:37:20: warning: symbol 'acpi_root' was not declared. Should it be static?
Move it's definition to the internal header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit 896e97bf99 ("ACPI: EC: Clear GPE on interrupt handling only")
broke suspend-to-idle at least on Dell XPS13 9360 and 9380.
The problem is that acpi_ec_dispatch_gpe() must clear the EC GPE,
because the EC GPE handler never runs when the system is in the
suspend-to-idle state and if the EC GPE is not cleared by the suspend-
to-idle loop, it is never cleared at all which leads to a GPE storm.
This causes suspend-to-idle to burn energy instead of saving it which
is potentially dangerous (the affected machines heat up rather badly
when that happens).
Addess this by making acpi_ec_dispatch_gpe() clear the EC GPE as it did
before.
Fixes: 896e97bf99 ("ACPI: EC: Clear GPE on interrupt handling only")
Tested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Introduce power capping core support for Intel TPMI (Topology Aware
Register and PM Capsule Interface) and a TPMI interface driver for
Intel RAPL (Zhang Rui, Dan Carpenter).
- Fix CONFIG_IOSF_MBI dependency in the Intel RAPL power capping
driver (Zhang Rui).
- Fix invalid initialization for pl4_supported field in the Intel RAPL
power capping driver (Sumeet Pawnikar).
- Clean up the intel_idle driver, make it work with VM guests that
cannot use the MWAIT instruction and address the case in which the
host may enter a deep idle state when the guest is idle (Arjan van
de Ven).
- Prevent cpufreq drivers that provide the ->adjust_perf() callback
without a ->fast_switch() one which is used as a fallback from the
former in some cases (Wyes Karny).
- Fix some issues related to the AMD P-state cpufreq driver (Mario
Limonciello, Wyes Karny).
- Fix the energy_performance_preference attribute handling in the
intel_pstate driver in passive mode (Tero Kristo).
- Fix the handling of pm_suspend_target_state when CONFIG_PM is unset
(Kai-Heng Feng).
- Correct spelling mistake in a comment in the hibernation code (Wang
Honghui).
- Add arch_resume_nosmt() prototype to avoid a "missing prototypes"
build warning (Arnd Bergmann).
- Restrict pm_pr_dbg() to system-wide power transitions and use it in
a few additional places (Mario Limonciello).
- Drop verification of in-params from genpd_add_device() and ensure
that all of its callers will do it (Ulf Hansson).
- Prevent possible integer overflows from occurring in
genpd_parse_state() (Nikita Zhandarovich).
- Reorder fieldls in 'struct devfreq_dev_status' to reduce its size
somewhat (Christophe JAILLET).
- Ensure that the Exynos PPMU driver is already loaded before the
Exynos Bus driver starts probing so as to avoid a possible freeze
loading of the kernel modules (Marek Szyprowski).
- Fix variable deferencing before NULL check in the mtk-cci devfreq
driver (Sukrut Bellary).
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Merge tag 'pm-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add Intel TPMI (Topology Aware Register and PM Capsule
Interface) support to the power capping subsystem, extend the
intel_idle driver to work in VM guests where MWAIT is not available,
extend the system-wide power management diagnostics, fix bugs and
clean up code.
Specifics:
- Introduce power capping core support for Intel TPMI (Topology Aware
Register and PM Capsule Interface) and a TPMI interface driver for
Intel RAPL (Zhang Rui, Dan Carpenter)
- Fix CONFIG_IOSF_MBI dependency in the Intel RAPL power capping
driver (Zhang Rui)
- Fix invalid initialization for pl4_supported field in the Intel
RAPL power capping driver (Sumeet Pawnikar)
- Clean up the intel_idle driver, make it work with VM guests that
cannot use the MWAIT instruction and address the case in which the
host may enter a deep idle state when the guest is idle (Arjan van
de Ven)
- Prevent cpufreq drivers that provide the ->adjust_perf() callback
without a ->fast_switch() one which is used as a fallback from the
former in some cases (Wyes Karny)
- Fix some issues related to the AMD P-state cpufreq driver (Mario
Limonciello, Wyes Karny)
- Fix the energy_performance_preference attribute handling in the
intel_pstate driver in passive mode (Tero Kristo)
- Fix the handling of pm_suspend_target_state when CONFIG_PM is unset
(Kai-Heng Feng)
- Correct spelling mistake in a comment in the hibernation code (Wang
Honghui)
- Add arch_resume_nosmt() prototype to avoid a "missing prototypes"
build warning (Arnd Bergmann)
- Restrict pm_pr_dbg() to system-wide power transitions and use it in
a few additional places (Mario Limonciello)
- Drop verification of in-params from genpd_add_device() and ensure
that all of its callers will do it (Ulf Hansson)
- Prevent possible integer overflows from occurring in
genpd_parse_state() (Nikita Zhandarovich)
- Reorder fieldls in 'struct devfreq_dev_status' to reduce its size
somewhat (Christophe JAILLET)
- Ensure that the Exynos PPMU driver is already loaded before the
Exynos Bus driver starts probing so as to avoid a possible freeze
loading of the kernel modules (Marek Szyprowski)
- Fix variable deferencing before NULL check in the mtk-cci devfreq
driver (Sukrut Bellary)"
* tag 'pm-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (42 commits)
intel_idle: Add a "Long HLT" C1 state for the VM guest mode
cpufreq: intel_pstate: Fix energy_performance_preference for passive
cpufreq: amd-pstate: Add a kernel config option to set default mode
cpufreq: amd-pstate: Set a fallback policy based on preferred_profile
ACPI: CPPC: Add definition for undefined FADT preferred PM profile value
cpufreq: amd-pstate: Set default governor to schedutil
PM: domains: Move the verification of in-params from genpd_add_device()
cpufreq: amd-pstate: Make amd-pstate EPP driver name hyphenated
cpufreq: amd-pstate: Write CPPC enable bit per-socket
intel_idle: Add support for using intel_idle in a VM guest using just hlt
cpufreq: Fail driver register if it has adjust_perf without fast_switch
intel_idle: clean up the (new) state_update_enter_method function
intel_idle: refactor state->enter manipulation into its own function
platform/x86/amd: pmc: Use pm_pr_dbg() for suspend related messages
pinctrl: amd: Use pm_pr_dbg to show debugging messages
ACPI: x86: Add pm_debug_messages for LPS0 _DSM state tracking
include/linux/suspend.h: Only show pm_pr_dbg messages at suspend/resume
powercap: RAPL: Fix a NULL vs IS_ERR() bug
powercap: RAPL: Fix CONFIG_IOSF_MBI dependency
powercap: RAPL: fix invalid initialization for pl4_supported field
...
- Reduce ACPI device enumeration overhead related to devices with
dependencies (Rafael Wysocki).
- Fix the handling of Microsoft LPS0 _DSM for suspend-to-idle (Mario
Limonciello).
- Fix section mismatch warning in the ACPI suspend-to-idle code (Arnd
Bergmann).
- Drop several ACPI resource management quirks related to IRQ ovverides
on AMD "Zen" systems (Mario Limonciello).
- Modify the ACPI EC driver to make it only clear the EC GPE status
when handling the GPE (Jeremy Compostella).
- Add quirks to work around ACPI tables defects on Lenovo Yoga Book
yb1-x90f/l and Nextbook Ares 8A (Hans de Goede).
- Add ACPi backlight quirks for Dell Studio 1569, Lenovo ThinkPad X131e
(3371 AMD version) and Apple iMac11,3 and stop trying to use vendor
backlight control on relatively recent systems (Hans de Goede).
- Add pwm_lookup_table entry for second PWM on CHT/BSW devices in the
ACPI LPSS (Intel SoC) driver (Hans de Goede).
- Add nfit_intel_shutdown_status() declaration to a local header to
avoid a "missing prototypes" build warning (Arnd Bergmann).
- Clean up the ACPI thermal driver and drop some dead or otherwise
unneded code from it (Rafael Wysocki).
- Rework the handling of notifications in the ACPI button drivers so
as to allow the common notification handling code for devices to be
simplified (Rafael Wysocki).
- Make ghes_get_devices() return NULL to indicate that there are no
GHES devices so as to allow vendor-specific EDAC drivers to probe
then (Li Yang).
- Mark bert_disable() as __initdata and drop an unused function from
the APEI GHES code (Miaohe Lin).
- Make the ACPI PAD (Processor Aggregator Device) driver realize that
Zhaoxin CPUs support nonstop TSC (Tony W Wang-oc).
- Drop the certainly unnecessary and likely incorrect inclusion of
linux/arm-smccc.h from acpi_ffh.c (Sudeep Holla).
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Merge tag 'acpi-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These rework the handling of notifications in ACPI button drivers (to
enable future simplifications and cleanups), clean up the ACPI thermal
driver, update the ACPI backlight driver, add quirks working around
AML bugs on some systems, fix some assorted issues and clean up code.
Specifics:
- Reduce ACPI device enumeration overhead related to devices with
dependencies (Rafael Wysocki)
- Fix the handling of Microsoft LPS0 _DSM for suspend-to-idle (Mario
Limonciello)
- Fix section mismatch warning in the ACPI suspend-to-idle code (Arnd
Bergmann)
- Drop several ACPI resource management quirks related to IRQ
ovverides on AMD "Zen" systems (Mario Limonciello)
- Modify the ACPI EC driver to make it only clear the EC GPE status
when handling the GPE (Jeremy Compostella)
- Add quirks to work around ACPI tables defects on Lenovo Yoga Book
yb1-x90f/l and Nextbook Ares 8A (Hans de Goede)
- Add ACPi backlight quirks for Dell Studio 1569, Lenovo ThinkPad
X131e (3371 AMD version) and Apple iMac11,3 and stop trying to use
vendor backlight control on relatively recent systems (Hans de
Goede)
- Add pwm_lookup_table entry for second PWM on CHT/BSW devices in the
ACPI LPSS (Intel SoC) driver (Hans de Goede)
- Add nfit_intel_shutdown_status() declaration to a local header to
avoid a "missing prototypes" build warning (Arnd Bergmann)
- Clean up the ACPI thermal driver and drop some dead or otherwise
unneded code from it (Rafael Wysocki)
- Rework the handling of notifications in the ACPI button drivers so
as to allow the common notification handling code for devices to be
simplified (Rafael Wysocki)
- Make ghes_get_devices() return NULL to indicate that there are no
GHES devices so as to allow vendor-specific EDAC drivers to probe
then (Li Yang)
- Mark bert_disable() as __initdata and drop an unused function from
the APEI GHES code (Miaohe Lin)
- Make the ACPI PAD (Processor Aggregator Device) driver realize that
Zhaoxin CPUs support nonstop TSC (Tony W Wang-oc)
- Drop the certainly unnecessary and likely incorrect inclusion of
linux/arm-smccc.h from acpi_ffh.c (Sudeep Holla)"
* tag 'acpi-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (30 commits)
ACPI: video: Add backlight=native DMI quirk for Dell Studio 1569
ACPI: thermal: Drop struct acpi_thermal_flags
ACPI: thermal: Drop struct acpi_thermal_state
ACPI: bus: Simplify installation and removal of notify callback
ACPI: tiny-power-button: Eliminate the driver notify callback
ACPI: button: Use different notify handlers for lid and buttons
ACPI: button: Eliminate the driver notify callback
ACPI: thermal: Eliminate struct acpi_thermal_state_flags
ACPI: thermal: Move acpi_thermal_driver definition
ACPI: thermal: Move symbol definitions to one place
ACPI: thermal: Drop redundant ACPI_TRIPS_REFRESH_DEVICES symbol
ACPI: thermal: Use BIT() macro for defining flags
APEI: GHES: correctly return NULL for ghes_get_devices()
ACPI: FFH: Drop the inclusion of linux/arm-smccc.h
ACPI: PAD: mark Zhaoxin CPUs NONSTOP TSC correctly
ACPI: APEI: mark bert_disable as __initdata
ACPI: EC: Clear GPE on interrupt handling only
ACPI: video: Stop trying to use vendor backlight control on laptops from after ~2012
ACPI: x86: s2idle: Adjust Microsoft LPS0 _DSM handling sequence
ACPI: resource: Remove "Zen" specific match and quirks
...
Linus Torvalds