- Update the ACPICA code in the kernel to upstream revision 20210930
including the following changes:
* Fix system-wide resume issue caused by evaluating control
methods too early in the resume path (Rafael Wysocki).
* Add support for Windows 2020 _OSI string (Mario Limonciello).
* Add Generic Port Affinity type for SRAT (Alison Schofield).
* Add disassembly support for the NHLT ACPI table (Bob Moore).
- Avoid flushing caches before entering C3 type of idle states on
AMD processors (Deepak Sharma).
- Avoid enumerating CPUs that are not present and not online-capable
according to the platform firmware (Mario Limonciello).
- Add DMI-based mechanism to quirk IRQ overrides and use it for two
platforms (Hui Wang).
- Change the configuration of unused ACPI device objects to reflect
the D3cold power state after enumerating devices (Rafael Wysocki).
- Update MAINTAINERS information regarding ACPI (Rafael Wysocki).
- Fix typo in ACPI Kconfig (Masanari Iid).
- Use sysfs_emit() instead of snprintf() in some places (Qing Wang).
- Make the association of ACPI device objects with PCI devices more
straightforward and simplify the code doing that for all devices
in general (Rafael Wysocki).
- Use acpi_device_adr() in acpi_find_child_device() instead of
evaluating _ADR (Rafael Wysocki).
- Drop duplicate device IDs from PNP device IDs list (Krzysztof
Kozlowski).
- Allow acpi_idle_play_dead() to use C3 on AMD processors (Richard
Gong).
- Use ACPI_COMPANION() to simplify code in some drivers (Rafael
Wysocki).
- Check the states of all ACPI power resources during initialization
to avoid dealing with power resources in unknown states (Rafael
Wysocki).
- Fix ACPI power resource issues related to sharing wakeup power
resources (Rafael Wysocki).
- Avoid registering redundant suspend_ops (Rafael Wysocki).
- Report battery charging state as "full" if it appears to be over
the design capacity (André Almeida).
- Quirk GK45 mini PC to skip reading _PSR in the AC driver (Stefan
Schaeckeler).
- Mark apei_hest_parse() static (Christoph Hellwig).
- Relax platform response timeout to 1 second after instructing it
to inject an error (Shuai Xue).
- Make the PRM code handle memory allocation and remapping failures
more gracefully and drop some unnecessary blank lines from that
code (Aubrey Li).
- Fix spelling mistake in the ACPI documentation (Colin Ian King).
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Merge tag 'acpi-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to the most recent upstream
revision, address some issues related to the ACPI power resources
management, simplify the enumeration of PCI devices having ACPI
companions, add new quirks, fix assorted problems, update the
ACPI-related information in maintainers and clean up code in several
places.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20210930
including the following changes:
- Fix system-wide resume issue caused by evaluating control
methods too early in the resume path (Rafael Wysocki).
- Add support for Windows 2020 _OSI string (Mario Limonciello).
- Add Generic Port Affinity type for SRAT (Alison Schofield).
- Add disassembly support for the NHLT ACPI table (Bob Moore).
- Avoid flushing caches before entering C3 type of idle states on AMD
processors (Deepak Sharma).
- Avoid enumerating CPUs that are not present and not online-capable
according to the platform firmware (Mario Limonciello).
- Add DMI-based mechanism to quirk IRQ overrides and use it for two
platforms (Hui Wang).
- Change the configuration of unused ACPI device objects to reflect
the D3cold power state after enumerating devices (Rafael Wysocki).
- Update MAINTAINERS information regarding ACPI (Rafael Wysocki).
- Fix typo in ACPI Kconfig (Masanari Iid).
- Use sysfs_emit() instead of snprintf() in some places (Qing Wang).
- Make the association of ACPI device objects with PCI devices more
straightforward and simplify the code doing that for all devices in
general (Rafael Wysocki).
- Use acpi_device_adr() in acpi_find_child_device() instead of
evaluating _ADR (Rafael Wysocki).
- Drop duplicate device IDs from PNP device IDs list (Krzysztof
Kozlowski).
- Allow acpi_idle_play_dead() to use C3 on AMD processors (Richard
Gong).
- Use ACPI_COMPANION() to simplify code in some drivers (Rafael
Wysocki).
- Check the states of all ACPI power resources during initialization
to avoid dealing with power resources in unknown states (Rafael
Wysocki).
- Fix ACPI power resource issues related to sharing wakeup power
resources (Rafael Wysocki).
- Avoid registering redundant suspend_ops (Rafael Wysocki).
- Report battery charging state as "full" if it appears to be over
the design capacity (André Almeida).
- Quirk GK45 mini PC to skip reading _PSR in the AC driver (Stefan
Schaeckeler).
- Mark apei_hest_parse() static (Christoph Hellwig).
- Relax platform response timeout to 1 second after instructing it to
inject an error (Shuai Xue).
- Make the PRM code handle memory allocation and remapping failures
more gracefully and drop some unnecessary blank lines from that
code (Aubrey Li).
- Fix spelling mistake in the ACPI documentation (Colin Ian King)"
* tag 'acpi-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (36 commits)
ACPI: glue: Use acpi_device_adr() in acpi_find_child_device()
perf: qcom_l2_pmu: ACPI: Use ACPI_COMPANION() directly
ACPI: APEI: mark apei_hest_parse() static
ACPI: APEI: EINJ: Relax platform response timeout to 1 second
gpio-amdpt: ACPI: Use the ACPI_COMPANION() macro directly
nouveau: ACPI: Use the ACPI_COMPANION() macro directly
ACPI: resources: Add one more Medion model in IRQ override quirk
ACPI: AC: Quirk GK45 to skip reading _PSR
ACPI: PM: sleep: Do not set suspend_ops unnecessarily
ACPI: PRM: Handle memory allocation and memory remap failure
ACPI: PRM: Remove unnecessary blank lines
ACPI: PM: Turn off wakeup power resources on _DSW/_PSW errors
ACPI: PM: Fix sharing of wakeup power resources
ACPI: PM: Turn off unused wakeup power resources
ACPI: PM: Check states of power resources during initialization
ACPI: replace snprintf() in "show" functions with sysfs_emit()
ACPI: LPSS: Use ACPI_COMPANION() directly
ACPI: scan: Release PM resources blocked by unused objects
ACPI: battery: Accept charges over the design capacity as full
ACPICA: Update version to 20210930
...
Merge APEI, PRM and documentation udpates for 5.16-rc1:
- Mark apei_hest_parse() static (Christoph Hellwig).
- Relax platform response timeout to 1 second after instructing it
to inject an error (Shuai Xue).
- Make the PRM code handle memory allocation and remapping failures
more gracefully and drop some unnecessary blank lines from that
code (Aubrey Li).
- Fix spelling mistake in the ACPI documentation (Colin Ian King).
* acpi-apei:
ACPI: APEI: mark apei_hest_parse() static
ACPI: APEI: EINJ: Relax platform response timeout to 1 second
* acpi-prm:
ACPI: PRM: Handle memory allocation and memory remap failure
ACPI: PRM: Remove unnecessary blank lines
* acpi-docs:
Documentation: ACPI: Fix spelling mistake "Millenium" -> "Millennium"
Merge updates of the code associating ACPI device objects with
devices and PNP code, processor driver, and Intel LPSS driver updates
for 5.16-rc1:
- Make the association of ACPI device objects with PCI devices more
straightforward and simplify the code doing that for all devices
in general (Rafael Wysocki).
- Use acpi_device_adr() in acpi_find_child_device() instead of
evaluating _ADR (Rafael Wysocki).
- Drop duplicate device IDs from PNP device IDs list (Krzysztof
Kozlowski).
- Allow acpi_idle_play_dead() to use C3 on AMD processors (Richard
Gong).
- Use ACPI_COMPANION() to simplify code in the ACPI driver for Intel
SoCs (Rafael Wysocki).
* acpi-glue:
ACPI: glue: Use acpi_device_adr() in acpi_find_child_device()
ACPI: glue: Look for ACPI bus type only if ACPI companion is not known
ACPI: glue: Drop cleanup callback from struct acpi_bus_type
PCI: ACPI: Drop acpi_pci_bus
* acpi-pnp:
ACPI: PNP: remove duplicated BRI0A49 and BDP3336 entries
* acpi-processor:
ACPI: processor idle: Allow playing dead in C3 state
* acpi-soc:
ACPI: LPSS: Use ACPI_COMPANION() directly
Merge x86-specific ACPI updates, ACPI resources management updates,
one ACPI device enumeration update and miscellaneous ACPI updates for
5.16-rc1:
- Avoid flushing caches before entering C3 type of idle states on
AMD processors (Deepak Sharma).
- Avoid enumerating CPUs that are not present and not online-capable
according to the platform firmware (Mario Limonciello).
- Add DMI-based mechanism to quirk IRQ overrides and use it for two
platforms (Hui Wang).
- Change the configuration of unused ACPI device objects to reflect
the D3cold power state after enumerating devices (Rafael Wysocki).
- Update MAINTAINERS information regarding ACPI (Rafael Wysocki).
- Fix typo in ACPI Kconfig (Masanari Iid).
- Use sysfs_emit() instead of snprintf() in some places (Qing Wang).
* acpi-x86:
x86: ACPI: cstate: Optimize C3 entry on AMD CPUs
x86/ACPI: Don't add CPUs that are not online capable
ACPICA: Add support for MADT online enabled bit
* acpi-resources:
ACPI: resources: Add one more Medion model in IRQ override quirk
ACPI: resources: Add DMI-based legacy IRQ override quirk
* acpi-scan:
ACPI: scan: Release PM resources blocked by unused objects
* acpi-misc:
ACPI: replace snprintf() in "show" functions with sysfs_emit()
ACPI: Update information in MAINTAINERS
ACPI: Kconfig: Fix a typo in Kconfig
Merge ACPICA updates for 5.16-rc1:
- Fix system-wide resume issue caused by evaluating control methods
too early in the resume path (Rafael Wysocki).
- Add support for Windows 2020 _OSI string (Mario Limonciello).
- Add Generic Port Affinity type for SRAT (Alison Schofield).
- Add disassembly support for the NHLT ACPI table (Bob Moore).
* acpica:
ACPICA: Update version to 20210930
ACPICA: iASL table disassembler: Added disassembly support for the NHLT ACPI table
ACPICA: ACPI 6.4 SRAT: add Generic Port Affinity type
ACPICA: Add support for Windows 2020 _OSI string
ACPICA: Avoid evaluating methods too early during system resume
consolidate msm8994 type apcs_data
- mtk: fix clock id usage
- apple: add driver for ASC/M3 controllers
- pcc: reorganise PCC pcc_mbox_request_channel
add support for PCCT extended PCC subspaces
- misc: make use of devm_platform_ioremap_resource()
change Altera, PCC and Apple mailbox maintainers
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Merge tag 'mailbox-v5.16' of git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:
"qcom:
- add support for qcm2290
- consolidate msm8994 type apcs_data
mtk:
- fix clock id usage
apple:
- add driver for ASC/M3 controllers
pcc:
- reorganise PCC pcc_mbox_request_channel
- add support for PCCT extended PCC subspaces
misc:
- make use of devm_platform_ioremap_resource()
- change Altera, PCC and Apple mailbox maintainers"
* tag 'mailbox-v5.16' of git://git.linaro.org/landing-teams/working/fujitsu/integration: (38 commits)
mailbox: imx: support i.MX8ULP S4 MU
dt-bindings: mailbox: imx-mu: add i.MX8ULP S400 MU support
ACPI/PCC: Add maintainer for PCC mailbox driver
mailbox: pcc: Move bulk of PCCT parsing into pcc_mbox_probe
mailbox: pcc: Add support for PCCT extended PCC subspaces(type 3/4)
mailbox: pcc: Drop handling invalid bit-width in {read,write}_register
mailbox: pcc: Avoid accessing PCCT table in pcc_send_data and pcc_mbox_irq
mailbox: pcc: Add PCC register bundle and associated accessor functions
mailbox: pcc: Rename doorbell ack to platform interrupt ack register
mailbox: pcc: Use PCC mailbox channel pointer instead of standard
mailbox: pcc: Add pcc_mbox_chan structure to hold shared memory region info
mailbox: pcc: Consolidate subspace doorbell register parsing
mailbox: pcc: Consolidate subspace interrupt information parsing
mailbox: pcc: Refactor all PCC channel information into a structure
mailbox: pcc: Fix kernel doc warnings
mailbox: apple: Add driver for Apple mailboxes
dt-bindings: mailbox: Add Apple mailbox bindings
MAINTAINERS: Add Apple mailbox files
mailbox: mtk-cmdq: Fix local clock ID usage
mailbox: mtk-cmdq: Validate alias_id on probe
...
Now that we have all the shared memory region information populated in
the pcc_mbox_chan, let us propagate the pointer to the same as the
return value to pcc_mbox_request channel.
This eliminates the need for the individual users of PCC mailbox to
parse the PCCT subspace entries and fetch the shmem information. This
also eliminates the need for PCC mailbox controller to set con_priv to
PCCT subspace entries. This is required as con_priv is private to the
controller driver to attach private data associated with the channel and
not meant to be used by the mailbox client/users.
Let us convert all the users of pcc_mbox_{request,free}_channel to use
new interface.
Cc: Jean Delvare <jdelvare@suse.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Wolfram Sang <wsa@kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Currently PCC mailbox controller sets con_priv in each channel to hold
the pointer to pcct subspace entry it corresponds to. The mailbox user
will then fetch this pointer from the channel descriptor they get when
they request for the channel. Using that pointer they then parse the
pcct entry again to fetch all the information about shared memory region.
In order to remove individual users of PCC mailbox parsing the PCCT
subspace entries to fetch same information, let us consolidate the same
in pcc mailbox controller by parsing all the shared memory region
information into a structure that can also hold the mbox_chan pointer it
represent.
This can then be used as main PCC mailbox channel pointer that we can
return as part of pcc_mbox_request_channel instead of standard mailbox
channel pointer.
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
apei_hest_parse() is only used in hest.c, so mark it static.
Signed-off-by: Christoph Hellwig <hch@lst.de>
[ rjw: Minor subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
When ACPI tools are compiled, the following error is showed:
$ cd tools/power/acpi
$ make
DESCEND tools/acpidbg
MKDIR include
CP include
CC tools/acpidbg/acpidbg.o
In file included from /home/linux/tools/power/acpi/include/acpi/platform/acenv.h:152,
from /home/linux/tools/power/acpi/include/acpi/acpi.h:22,
from acpidbg.c:9:
/home/linux/tools/power/acpi/include/acpi/platform/acgcc.h:25:10: fatal error: linux/stdarg.h: No such file or directory
29 | #include <linux/stdarg.h>
| ^~~~~~~~~~~~~~~~
compilation terminated.
Use the ACPICA logic: just identify when it is used inside the kernel
or by an ACPI tool.
Fixes: c0891ac15f ("isystem: ship and use stdarg.h")
Signed-off-by: Miguel Bernal Marin <miguel.bernal.marin@linux.intel.com>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit e01cc6b3d12b5f73f44d46fa15a7f569c793b328
Version 20210930.
Link: https://github.com/acpica/acpica/commit/e01cc6b3
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 94abe858583de24a425b37cb8e62d56c65c4f3cf
Note: support for Vendor-defined microphone arrays and SNR extensions
are not supported at this time -- mostly due to a lack of example tables.
Actual compiler support for NHLT is forthcoming.
Link: https://github.com/acpica/acpica/commit/94abe858
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 777e11b73e60f0eb606cf20142ef634702b09ba1
Add a new subtable type for SRAT Generic Port Affinity.
It uses the same subtable structure as the existing Generic
Initiator Affinity type.
Link: https://github.com/acpica/acpica/commit/777e11b7
Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 2dc55de56d2deac30af0b484dd1d65607eb33a9c
Link: 5164e24985
Link: https://github.com/acpica/acpica/commit/2dc55de5
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Since PCI was the only user of the ->cleanup callback in struct
acpi_bus_type and it is not using struct acpi_bus_type any more,
drop that callback from there and update acpi_device_notify_remove()
accordingly.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Ferry Toth <fntoth@gmail.com>
This reverts commit 437b38c511.
The memory semantics added in commit 437b38c511 causes SystemMemory
Operation region, whose address range is not described in the EFI memory
map to be mapped as NormalNC memory on arm64 platforms (through
acpi_os_map_memory() in acpi_ex_system_memory_space_handler()).
This triggers the following abort on an ARM64 Ampere eMAG machine,
because presumably the physical address range area backing the Opregion
does not support NormalNC memory attributes driven on the bus.
Internal error: synchronous external abort: 96000410 [#1] SMP
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.14.0+ #462
Hardware name: MiTAC RAPTOR EV-883832-X3-0001/RAPTOR, BIOS 0.14 02/22/2019
pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[...snip...]
Call trace:
acpi_ex_system_memory_space_handler+0x26c/0x2c8
acpi_ev_address_space_dispatch+0x228/0x2c4
acpi_ex_access_region+0x114/0x268
acpi_ex_field_datum_io+0x128/0x1b8
acpi_ex_extract_from_field+0x14c/0x2ac
acpi_ex_read_data_from_field+0x190/0x1b8
acpi_ex_resolve_node_to_value+0x1ec/0x288
acpi_ex_resolve_to_value+0x250/0x274
acpi_ds_evaluate_name_path+0xac/0x124
acpi_ds_exec_end_op+0x90/0x410
acpi_ps_parse_loop+0x4ac/0x5d8
acpi_ps_parse_aml+0xe0/0x2c8
acpi_ps_execute_method+0x19c/0x1ac
acpi_ns_evaluate+0x1f8/0x26c
acpi_ns_init_one_device+0x104/0x140
acpi_ns_walk_namespace+0x158/0x1d0
acpi_ns_initialize_devices+0x194/0x218
acpi_initialize_objects+0x48/0x50
acpi_init+0xe0/0x498
If the Opregion address range is not present in the EFI memory map there
is no way for us to determine the memory attributes to use to map it -
defaulting to NormalNC does not work (and it is not correct on a memory
region that may have read side-effects) and therefore commit
437b38c511 should be reverted, which means reverting back to the
original behavior whereby address ranges that are mapped using
acpi_os_map_memory() default to the safe devicenGnRnE attributes on
ARM64 if the mapped address range is not defined in the EFI memory map.
Fixes: 437b38c511 ("ACPI: Add memory semantics to acpi_os_map_memory()")
Signed-off-by: Jia He <justin.he@arm.com>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The online enabled bit on newer ACPI implmentations will indicate
whether the CPU is hotpluggable.
Link: http://github.com/acpica/acpica/pull/708/
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
On some systems the nominal_perf value retrieved via CPPC is just
a constant and fetching it doesn't require accessing any registers,
so if it is the only CPPC capability that's needed, it is wasteful
to run cppc_get_perf_caps() in order to get just that value alone,
especially when this is done for CPUs other than the one running
the code.
For this reason, introduce cppc_get_nominal_perf() allowing
nominal_perf to be obtained individually, by generalizing the
existing cppc_get_desired_perf() (and renaming it) so it can be
used to retrieve any specific CPPC capability value.
While at it, clean up the cppc_get_desired_perf() kerneldoc comment
a bit.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Add -s option (strict mode) to merge_config.sh to make it fail when
any symbol is redefined.
- Show a warning if a different compiler is used for building external
modules.
- Infer --target from ARCH for CC=clang to let you cross-compile the
kernel without CROSS_COMPILE.
- Make the integrated assembler default (LLVM_IAS=1) for CC=clang.
- Add <linux/stdarg.h> to the kernel source instead of borrowing
<stdarg.h> from the compiler.
- Add Nick Desaulniers as a Kbuild reviewer.
- Drop stale cc-option tests.
- Fix the combination of CONFIG_TRIM_UNUSED_KSYMS and CONFIG_LTO_CLANG
to handle symbols in inline assembly.
- Show a warning if 'FORCE' is missing for if_changed rules.
- Various cleanups
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Merge tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Add -s option (strict mode) to merge_config.sh to make it fail when
any symbol is redefined.
- Show a warning if a different compiler is used for building external
modules.
- Infer --target from ARCH for CC=clang to let you cross-compile the
kernel without CROSS_COMPILE.
- Make the integrated assembler default (LLVM_IAS=1) for CC=clang.
- Add <linux/stdarg.h> to the kernel source instead of borrowing
<stdarg.h> from the compiler.
- Add Nick Desaulniers as a Kbuild reviewer.
- Drop stale cc-option tests.
- Fix the combination of CONFIG_TRIM_UNUSED_KSYMS and CONFIG_LTO_CLANG
to handle symbols in inline assembly.
- Show a warning if 'FORCE' is missing for if_changed rules.
- Various cleanups
* tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (39 commits)
kbuild: redo fake deps at include/ksym/*.h
kbuild: clean up objtool_args slightly
modpost: get the *.mod file path more simply
checkkconfigsymbols.py: Fix the '--ignore' option
kbuild: merge vmlinux_link() between ARCH=um and other architectures
kbuild: do not remove 'linux' link in scripts/link-vmlinux.sh
kbuild: merge vmlinux_link() between the ordinary link and Clang LTO
kbuild: remove stale *.symversions
kbuild: remove unused quiet_cmd_update_lto_symversions
gen_compile_commands: extract compiler command from a series of commands
x86: remove cc-option-yn test for -mtune=
arc: replace cc-option-yn uses with cc-option
s390: replace cc-option-yn uses with cc-option
ia64: move core-y in arch/ia64/Makefile to arch/ia64/Kbuild
sparc: move the install rule to arch/sparc/Makefile
security: remove unneeded subdir-$(CONFIG_...)
kbuild: sh: remove unused install script
kbuild: Fix 'no symbols' warning when CONFIG_TRIM_UNUSD_KSYMS=y
kbuild: Switch to 'f' variants of integrated assembler flag
kbuild: Shuffle blank line to improve comment meaning
...
The memory attributes attached to memory regions depend on architecture
specific mappings.
For some memory regions, the attributes specified by firmware (eg
uncached) are not sufficient to determine how a memory region should be
mapped by an OS (for instance a region that is define as uncached in
firmware can be mapped as Normal or Device memory on arm64) and
therefore the OS must be given control on how to map the region to match
the expected mapping behaviour (eg if a mapping is requested with memory
semantics, it must allow unaligned accesses).
Rework acpi_os_map_memory() and acpi_os_ioremap() back-end to split
them into two separate code paths:
acpi_os_memmap() -> memory semantics
acpi_os_ioremap() -> MMIO semantics
The split allows the architectural implementation back-ends to detect
the default memory attributes required by the mapping in question
(ie the mapping API defines the semantics memory vs MMIO) and map the
memory accordingly.
Link: https://lore.kernel.org/linux-arm-kernel/31ffe8fc-f5ee-2858-26c5-0fd8bdd68702@arm.com
Tested-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Ship minimal stdarg.h (1 type, 4 macros) as <linux/stdarg.h>.
stdarg.h is the only userspace header commonly used in the kernel.
GPL 2 version of <stdarg.h> can be extracted from
http://archive.debian.org/debian/pool/main/g/gcc-4.2/gcc-4.2_4.2.4.orig.tar.gz
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Version 20210730.
ACPICA commit 2195f614e79442beb4d24d7a29a6347493e444e5
Link: https://github.com/acpica/acpica/commit/2195f614
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 5acc6818c537888be147d9da6b280a0b8c241a1d
Link: https://github.com/acpica/acpica/commit/5acc6818
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Handle the case where the Command-line Arguments table field
does not exist.
ACPICA commit d6487164497fda170a1b1453c5d58f2be7c873d6
Link: https://github.com/acpica/acpica/commit/d6487164
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 8d49c0b2b78b8a8c5dae4d5ff28432729f4d59f2
Link: https://github.com/acpica/acpica/commit/8d49c0b2
Signed-off-by: Huilong Deng <denghuilong@cdjrlc.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Includes support in the table compiler and the disassembler.
ACPICA commit e75074d84d1207339a048486c2d06ecb935d0092
Link: https://github.com/acpica/acpica/commit/e75074d8
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit 71f6428332 ("ACPI: utils: Fix reference counting in
for_each_acpi_dev_match()") started doing "acpi_dev_put()" on a pointer
that was possibly NULL. That fails miserably, because that helper
inline function is not set up to handle that case.
Just make acpi_dev_put() silently accept a NULL pointer, rather than
calling down to put_device() with an invalid offset off that NULL
pointer.
Link: https://lore.kernel.org/lkml/a607c149-6bf6-0fd0-0e31-100378504da2@kernel.dk/
Reported-and-tested-by: Jens Axboe <axboe@kernel.dk>
Tested-by: Daniel Scally <djrscally@gmail.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently it's possible to iterate over the dangling pointer in case the device
suddenly disappears. This may happen becase callers put it at the end of a loop.
Instead, let's move that call inside acpi_dev_get_next_match_dev().
Fixes: 803abec64e ("media: ipu3-cio2: Add cio2-bridge to ipu3-cio2 driver")
Fixes: bf263f64e8 ("media: ACPI / bus: Add acpi_dev_get_next_match_dev() and helper macro")
Fixes: edbd1bc495 ("efi/dev-path-parser: Switch to use for_each_acpi_dev_match()")
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Including:
- SMMU Updates from Will Deacon:
- SMMUv3: Support stalling faults for platform devices
- SMMUv3: Decrease defaults sizes for the event and PRI queues
- SMMUv2: Support for a new '->probe_finalize' hook, needed by Nvidia
- SMMUv2: Even more Qualcomm compatible strings
- SMMUv2: Avoid Adreno TTBR1 quirk for DB820C platform
- Intel VT-d updates from Lu Baolu:
- Convert Intel IOMMU to use sva_lib helpers in iommu core
- ftrace and debugfs supports for page fault handling
- Support asynchronous nested capabilities
- Various misc cleanups
- Support for new VIOT ACPI table to make the VirtIO IOMMU:
available on x86
- Add the amd_iommu=force_enable command line option to
enable the IOMMU on platforms where they are known to cause
problems
- Support for version 2 of the Rockchip IOMMU
- Various smaller fixes, cleanups and refactorings
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Merge tag 'iommu-updates-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- SMMU Updates from Will Deacon:
- SMMUv3:
- Support stalling faults for platform devices
- Decrease defaults sizes for the event and PRI queues
- SMMUv2:
- Support for a new '->probe_finalize' hook, needed by Nvidia
- Even more Qualcomm compatible strings
- Avoid Adreno TTBR1 quirk for DB820C platform
- Intel VT-d updates from Lu Baolu:
- Convert Intel IOMMU to use sva_lib helpers in iommu core
- ftrace and debugfs supports for page fault handling
- Support asynchronous nested capabilities
- Various misc cleanups
- Support for new VIOT ACPI table to make the VirtIO IOMMU
available on x86
- Add the amd_iommu=force_enable command line option to enable
the IOMMU on platforms where they are known to cause problems
- Support for version 2 of the Rockchip IOMMU
- Various smaller fixes, cleanups and refactorings
* tag 'iommu-updates-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (66 commits)
iommu/virtio: Enable x86 support
iommu/dma: Pass address limit rather than size to iommu_setup_dma_ops()
ACPI: Add driver for the VIOT table
ACPI: Move IOMMU setup code out of IORT
ACPI: arm64: Move DMA setup operations out of IORT
iommu/vt-d: Fix dereference of pointer info before it is null checked
iommu: Update "iommu.strict" documentation
iommu/arm-smmu: Check smmu->impl pointer before dereferencing
iommu/arm-smmu-v3: Remove unnecessary oom message
iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation
iommu/arm-smmu: Fix arm_smmu_device refcount leak when arm_smmu_rpm_get fails
iommu/vt-d: Fix linker error on 32-bit
iommu/vt-d: No need to typecast
iommu/vt-d: Define counter explicitly as unsigned int
iommu/vt-d: Remove unnecessary braces
iommu/vt-d: Removed unused iommu_count in dmar domain
iommu/vt-d: Use bitfields for DMAR capabilities
iommu/vt-d: Use DEVICE_ATTR_RO macro
iommu/vt-d: Fix out-bounds-warning in intel/svm.c
iommu/vt-d: Add PRQ handling latency sampling
...
- Handle device properties with software node API in the ACPI
IORT table parsing code (Heikki Krogerus).
- Unify of_node access in the common device properties code,
constify the acpi_dma_supported() argument pointer and
fix up CONFIG_ACPI=n stubs of some functions related to
device properties (Andy Shevchenko).
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Merge tag 'devprop-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull device properties framework updates from Rafael Wysocki:
"These unify device properties access in some pieces of code and make
related changes.
Specifics:
- Handle device properties with software node API in the ACPI IORT
table parsing code (Heikki Krogerus).
- Unify of_node access in the common device properties code, constify
the acpi_dma_supported() argument pointer and fix up CONFIG_ACPI=n
stubs of some functions related to device properties (Andy
Shevchenko)"
* tag 'devprop-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
device property: Unify access to of_node
ACPI: scan: Constify acpi_dma_supported() helper function
ACPI: property: Constify stubs for CONFIG_ACPI=n case
ACPI: IORT: Handle device properties with software node API
device property: Retrieve fwnode from of_node via accessor
* acpi-ec:
ACPI: EC: trust DSDT GPE for certain HP laptop
ACPI: EC: Make more Asus laptops use ECDT _GPE
* acpi-apei:
ACPI: APEI: fix synchronous external aborts in user-mode
ACPI: APEI: Don't warn if ACPI is disabled
* acpi-soc:
ACPI: LPSS: Use kstrtol() instead of simple_strtol()
* acpi-misc:
ACPI: NVS: fix doc warnings in nvs.c
ACPI: NUMA: fix typo in a comment
ACPI: OSL: Use DEFINE_RES_IO_NAMED() to simplify code
ACPI: bus: Call kobject_put() in acpi_init() error path
ACPI: bus: Remove unneeded assignment
ACPI: configfs: Replace ACPI_INFO() with pr_debug()
ACPI: ipmi: Remove address space handler in error path
ACPI: event: Remove redundant initialization of local variable
ACPI: sbshc: Fix fall-through warning for Clang
Extract the code that sets up the IOMMU infrastructure from IORT, since
it can be reused by VIOT. Move it one level up into a new
acpi_iommu_configure_id() function, which calls the IORT parsing
function which in turn calls the acpi_iommu_fwspec_init() helper.
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20210618152059.1194210-3-jean-philippe@linaro.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Since acpi_bus_put_acpi_device() is a synonym for acpi_dev_put(),
define it as static inline in analogy with the latter.
No functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
ACPICA commit bd46cb07e614fd85ea69e54c1f6f0ae0a5fb20ab
This structure is used in to parse PRMT in other Operating Systems
that relies on using subtable headers in order to parse ACPI tables.
Although the PRMT doesn't have "subtables" it has a list of module
information structures that act as subtables.
Link: https://github.com/acpica/acpica/commit/bd46cb07
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
In some ACPI tables we encounter, devices use the _DEP method to assert
a dependence on other ACPI devices as opposed to the OpRegions that the
specification intends.
We need to be able to find those devices "from" the dependee, so add
a callback and a wrapper to walk over the acpi_dep_list and return
the dependent ACPI device.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The acpi_walk_dep_device_list() function is not as generic as its
name implies, serving only to decrement the dependency count for each
dependent device of the input.
Extend it to accept a callback which can be applied to all the
dependencies in acpi_dep_list.
Replace all existing calls to the function with calls to a wrapper,
passing a callback that applies the same dependency reduction.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Maximilian Luz <luzmaximilian@gmail.com> # for platform/surface parts
Signed-off-by: Daniel Scally <djrscally@gmail.com>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Fix a typo in comment related to the closing #endif of an include-guard.
s/__ACP_NUMA_H/__ACPI_NUMA_H/
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Constify arguments to acpi_dma_supported(). The function doesn't need
to change the content of the passed argument and when it's const it
allows to supply the result of other functions that may return a pointer
to a constant object.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Subject edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit ffceba1df23f8dbbc64a1023314ec179b4f5331e
Version 20210604.
Link: https://github.com/acpica/acpica/commit/ffceba1d
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit cdf48b141d7da38e47fe4020310033ddd1971f9e
Writing a buffer to a PlatformRtMechanism FieldUnit invokes a
bidirectional transaction. The input buffer contains 26 bytes
containing 9 bytes of status, a command byte and a 16-byte UUID.
This change will will simply pass this incoming buffer to a handler
registered by the OS.
Link: https://github.com/acpica/acpica/commit/cdf48b14
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit f70e7593e37c9e29f19be8ad3ef93f3f34799368
Link: https://github.com/acpica/acpica/commit/f70e7593
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 699fc72e56936bebf3b9ba39b6e91bd957b44452
The CXL Fixed Memory Window Structure (CFMWS) is added to the
CXL Early Discovery Table (CEDT). This new structure is defined
in an ECN to the CXL 2.0 specification.
https://www.computeexpresslink.org/spec-landing
Link: https://github.com/acpica/acpica/commit/699fc72e
Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 5ace82441a34f8d45725f12f6bd2677e79c186a6
CXL 2.0 defines length and version field values for the CHBS.
Include them in the ACPI CEDT table definition.
Link: https://github.com/acpica/acpica/commit/5ace8244
Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 81eb9c383e6dee0f1b6620e91e5c3dbb48234831
Includes: Table compiler, disassembler, and template generator.
Link: https://github.com/acpica/acpica/commit/81eb9c38
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 1d36b551fa6749e650da1dfd3e809146e6ac6a2e
The ACPI specification v6.3 defines the panel positions in chapter
6.1.8 "_PLD (Physical Location of Device)"
Link: https://github.com/acpica/acpica/commit/1d36b551
Signed-off-by: Fabian Wüthrich <me@fabwu.ch>
Reviewed-by: Daniel Scally <djrscally@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 6949e1dd2d92788a994ce657857fe8809159e71e
Includes compiler, disassembler, and template generator.
Link: https://github.com/acpica/acpica/commit/6949e1dd
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
