| Commit message (Collapse) | Author | Age | Files | Lines |
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Merge yet more updates from Andrew Morton:
"This is the post-linux-next queue. Material which was based on or
dependent upon material which was in -next.
69 patches.
Subsystems affected by this patch series: mm (migration and zsmalloc),
sysctl, proc, and lib"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (69 commits)
mm: hide the FRONTSWAP Kconfig symbol
frontswap: remove support for multiple ops
mm: mark swap_lock and swap_active_head static
frontswap: simplify frontswap_register_ops
frontswap: remove frontswap_test
mm: simplify try_to_unuse
frontswap: remove the frontswap exports
frontswap: simplify frontswap_init
frontswap: remove frontswap_curr_pages
frontswap: remove frontswap_shrink
frontswap: remove frontswap_tmem_exclusive_gets
frontswap: remove frontswap_writethrough
mm: remove cleancache
lib/stackdepot: always do filter_irq_stacks() in stack_depot_save()
lib/stackdepot: allow optional init and stack_table allocation by kvmalloc()
proc: remove PDE_DATA() completely
fs: proc: store PDE()->data into inode->i_private
zsmalloc: replace get_cpu_var with local_lock
zsmalloc: replace per zpage lock with pool->migrate_lock
locking/rwlocks: introduce write_lock_nested
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Remove PDE_DATA() completely and replace it with pde_data().
[akpm@linux-foundation.org: fix naming clash in drivers/nubus/proc.c]
[akpm@linux-foundation.org: now fix it properly]
Link: https://lkml.kernel.org/r/20211124081956.87711-2-songmuchun@bytedance.com
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Alexey Gladkov <gladkov.alexey@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull extra ACPI updates from Rafael Wysocki:
"These fix and clean up the ACPI CPPC driver on top of the recent
changes in it merged previously and add some new device IDs to the
ACPI DPTF driver.
Specifics:
- Fix a recently introduced endianness-related issue in the ACPI CPPC
library and clean it up on top of that (Rafael Wysocki)
- Add new device IDs for the Raptor Lake SoC to the ACPI DPTF driver
(Srinivas Pandruvada)"
* tag 'acpi-5.17-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: DPTF: Support Raptor Lake
ACPI: CPPC: Drop redundant local variable from cpc_read()
ACPI: CPPC: Fix up I/O port access in cpc_read()
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Merge new ACPI CPPC driver updates and new Raptor Lake DPTF device
IDs for 5.17-rc1.
* acpi-cppc:
ACPI: CPPC: Drop redundant local variable from cpc_read()
ACPI: CPPC: Fix up I/O port access in cpc_read()
* acpi-dptf:
ACPI: DPTF: Support Raptor Lake
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Add Raptor Lake ACPI IDs for DPTF devices.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The ret_val local variable in cpc_read() is not necessary, so
eliminate it.
No functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Huang Rui <ray.huang@amd.com>
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The code as currently implemented does not work on big endian systems,
so fix it up.
Fixes: a2c8f92bea5f ("ACPI: CPPC: Implement support for SystemIO registers")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/linux-acpi/20220111092928.GA24968@kili/
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Huang Rui <ray.huang@amd.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Add new kconfig target 'make mod2noconfig', which will be useful to
speed up the build and test iteration.
- Raise the minimum supported version of LLVM to 11.0.0
- Refactor certs/Makefile
- Change the format of include/config/auto.conf to stop double-quoting
string type CONFIG options.
- Fix ARCH=sh builds in dash
- Separate compression macros for general purposes (cmd_bzip2 etc.) and
the ones for decompressors (cmd_bzip2_with_size etc.)
- Misc Makefile cleanups
* tag 'kbuild-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (34 commits)
kbuild: add cmd_file_size
arch: decompressor: remove useless vmlinux.bin.all-y
kbuild: rename cmd_{bzip2,lzma,lzo,lz4,xzkern,zstd22}
kbuild: drop $(size_append) from cmd_zstd
sh: rename suffix-y to suffix_y
doc: kbuild: fix default in `imply` table
microblaze: use built-in function to get CPU_{MAJOR,MINOR,REV}
certs: move scripts/extract-cert to certs/
kbuild: do not quote string values in include/config/auto.conf
kbuild: do not include include/config/auto.conf from shell scripts
certs: simplify $(srctree)/ handling and remove config_filename macro
kbuild: stop using config_filename in scripts/Makefile.modsign
certs: remove misleading comments about GCC PR
certs: refactor file cleaning
certs: remove unneeded -I$(srctree) option for system_certificates.o
certs: unify duplicated cmd_extract_certs and improve the log
certs: use $< and $@ to simplify the key generation rule
kbuild: remove headers_check stub
kbuild: move headers_check.pl to usr/include/
certs: use if_changed to re-generate the key when the key type is changed
...
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The previous commit fixed up all shell scripts to not include
include/config/auto.conf.
Now that include/config/auto.conf is only included by Makefiles,
we can change it into a more Make-friendly form.
Previously, Kconfig output string values enclosed with double-quotes
(both in the .config and include/config/auto.conf):
CONFIG_X="foo bar"
Unlike shell, Make handles double-quotes (and single-quotes as well)
verbatim. We must rip them off when used.
There are some patterns:
[1] $(patsubst "%",%,$(CONFIG_X))
[2] $(CONFIG_X:"%"=%)
[3] $(subst ",,$(CONFIG_X))
[4] $(shell echo $(CONFIG_X))
These are not only ugly, but also fragile.
[1] and [2] do not work if the value contains spaces, like
CONFIG_X=" foo bar "
[3] does not work correctly if the value contains double-quotes like
CONFIG_X="foo\"bar"
[4] seems to work better, but has a cost of forking a process.
Anyway, quoted strings were always PITA for our Makefiles.
This commit changes Kconfig to stop quoting in include/config/auto.conf.
These are the string type symbols referenced in Makefiles or scripts:
ACPI_CUSTOM_DSDT_FILE
ARC_BUILTIN_DTB_NAME
ARC_TUNE_MCPU
BUILTIN_DTB_SOURCE
CC_IMPLICIT_FALLTHROUGH
CC_VERSION_TEXT
CFG80211_EXTRA_REGDB_KEYDIR
EXTRA_FIRMWARE
EXTRA_FIRMWARE_DIR
EXTRA_TARGETS
H8300_BUILTIN_DTB
INITRAMFS_SOURCE
LOCALVERSION
MODULE_SIG_HASH
MODULE_SIG_KEY
NDS32_BUILTIN_DTB
NIOS2_DTB_SOURCE
OPENRISC_BUILTIN_DTB
SOC_CANAAN_K210_DTB_SOURCE
SYSTEM_BLACKLIST_HASH_LIST
SYSTEM_REVOCATION_KEYS
SYSTEM_TRUSTED_KEYS
TARGET_CPU
UNUSED_KSYMS_WHITELIST
XILINX_MICROBLAZE0_FAMILY
XILINX_MICROBLAZE0_HW_VER
XTENSA_VARIANT_NAME
I checked them one by one, and fixed up the code where necessary.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"The most significant item here is the Platform Firmware Runtime Update
and Telemetry (PFRUT) support designed to allow certain pieces of the
platform firmware to be updated on the fly, among other things.
Also important is the e820 handling change on x86 that should work
around PCI BAR allocation issues on some systems shipping since 2019.
The rest is just a handful of assorted fixes and cleanups on top of
the ACPI material merged previously.
Specifics:
- Add support for the the Platform Firmware Runtime Update and
Telemetry (PFRUT) interface based on ACPI to allow certain pieces
of the platform firmware to be updated without restarting the
system and to provide a mechanism for collecting platform firmware
telemetry data (Chen Yu, Dan Carpenter, Yang Yingliang).
- Ignore E820 reservations covering PCI host bridge windows on
sufficiently recent x86 systems to avoid issues with allocating PCI
BARs on systems where the E820 reservations cover the entire PCI
host bridge memory window returned by the _CRS object in the
system's ACPI tables (Hans de Goede).
- Fix and clean up acpi_scan_init() (Rafael Wysocki).
- Add more sanity checking to ACPI SPCR tables parsing (Mark
Langsdorf).
- Fix up ACPI APD (AMD Soc) driver initialization (Jiasheng Jiang).
- Drop unnecessary "static" from the ACPI PCC address space handling
driver added recently (kernel test robot)"
* tag 'acpi-5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: PCC: pcc_ctx can be static
ACPI: scan: Rename label in acpi_scan_init()
ACPI: scan: Simplify initialization of power and sleep buttons
ACPI: scan: Change acpi_scan_init() return value type to void
ACPI: SPCR: check if table->serial_port.access_width is too wide
ACPI: APD: Check for NULL pointer after calling devm_ioremap()
x86/PCI: Ignore E820 reservations for bridge windows on newer systems
ACPI: pfr_telemetry: Fix info leak in pfrt_log_ioctl()
ACPI: pfr_update: Fix return value check in pfru_write()
ACPI: tools: Introduce utility for firmware updates/telemetry
ACPI: Introduce Platform Firmware Runtime Telemetry driver
ACPI: Introduce Platform Firmware Runtime Update device driver
efi: Introduce EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER and corresponding structures
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Merge support for the Platform Firmware Runtime Update and Telemetry
interface based on ACPI.
The interface provided here allows updating certain pieces of the
platform firmware without restarting the system and collecting
platform firmware telemetry data.
This also includes a utility for accesing the new interface from user
space.
* acpi-pfrut:
ACPI: pfr_telemetry: Fix info leak in pfrt_log_ioctl()
ACPI: pfr_update: Fix return value check in pfru_write()
ACPI: tools: Introduce utility for firmware updates/telemetry
ACPI: Introduce Platform Firmware Runtime Telemetry driver
ACPI: Introduce Platform Firmware Runtime Update device driver
efi: Introduce EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER and corresponding structures
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The "data_info" struct is copied to the user. It has a 4 byte struct
hole after the last struct member so we need to memset that to avoid
copying uninitialized stack data to the user.
Fixes: b0013e037a8b ("ACPI: Introduce Platform Firmware Runtime Telemetry driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In case of error, memremap() returns NULL pointer not
ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.
Fixes: 0db89fa243e5 ("ACPI: Introduce Platform Firmware Runtime Update device driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This driver allows user space to fetch telemetry data from the
firmware with the help of the Platform Firmware Runtime Telemetry
interface.
Both PFRU and PFRT are based on ACPI _DSM interfaces located under
special device objects in the ACPI Namespace, but these interfaces
are different from each other, so it is better to provide a separate
driver from each of them, even though they share some common
definitions and naming conventions.
Tested-by: Hongyu Ning <hongyu.ning@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Introduce the pfr_update driver which can be used for Platform Firmware
Runtime code injection and driver update [1].
The user is expected to provide the EFI capsule, and pass it to the
driver by writing the capsule to a device special file. The capsule
is transferred by the driver to the platform firmware with the help
of an ACPI _DSM method under the special ACPI Platform Firmware
Runtime Update device (INTC1080), and the actual firmware update is
carried out by the low-level Management Mode code in the platform
firmware.
This change allows certain pieces of the platform firmware to be
updated on the fly while the system is running (runtime) without the
need to restart it, which is key in the cases when the system needs to
be available 100% of the time and it cannot afford the downtime related
to restarting it, or when the work carried out by the system is
particularly important, so it cannot be interrupted, and it is not
practical to wait until it is complete.
Link: https://uefi.org/sites/default/files/resources/Intel_MM_OS_Interface_Spec_Rev100.pdf # [1]
Tested-by: Hongyu Ning <hongyu.ning@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Merge additional ACPI-related updates for 5.17-rc1:
- Ignore E820 reservations covering PCI host bridge windows on
sufficiently recent x86 systems to avoid issues with allocating
PCI BARs on systems where the E820 reservations cover the entire
PCI host bridge memory window returned by the _CRS object in the
system's ACPI tables (Hans de Goede).
- Add more sanity checking to ACPI SPCR tables parsing (Mark
Langsdorf).
- Fix up ACPI APD (AMD Soc) driver initialization (Jiasheng Jiang).
- Drop unnecessary "static" from the ACPI PCC address space handling
driver added recently (kernel test robot).
* acpi-x86:
x86/PCI: Ignore E820 reservations for bridge windows on newer systems
* acpi-tables:
ACPI: SPCR: check if table->serial_port.access_width is too wide
* acpi-soc:
ACPI: APD: Check for NULL pointer after calling devm_ioremap()
* acpi-pcc:
ACPI: PCC: pcc_ctx can be static
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drivers/acpi/acpi_pcc.c:34:22: warning: symbol 'pcc_ctx' was not declared. Should it be static?
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Because devres_alloc() may fail, devm_ioremap() may return NULL.
Then, 'clk_data->base' will be assigned to clkdev->data->base in
platform_device_register_data().
The PTR_ERR_OR_ZERO() check on clk_data does not cover 'base', so
it is better to add an explicit check against NULL after updating
it.
Fixes: 3f4ba94e3615 ("ACPI: APD: Add AMD misc clock handler support")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
[ rjw: Changelog rewrite ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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If table->serial_port.access_width is more than 29, it causes
undefined behavior when ACPI_ACCESS_BIT_WIDTH shifts it to
(1 << ((size) + 2)):
[ 0.000000] UBSAN: Undefined behaviour in drivers/acpi/spcr.c:114:11
[ 0.000000] shift exponent 102 is too large for 32-bit type 'int'
Use the new ACPI_ACCESS_ defines to test that serial_port.access_width
is less than 30 and set it to 6 if it is not.
Signed-off-by: Mark Langsdorf <mlangsdo@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Rename the "out" label in acpi_scan_init() to "unlock", which is
a better match for its purpose, and fix up its alignment.
No functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
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It should be perfectly fine to use ACPI if the "fixed" power or sleep
buttons cannot be initialized. Moreover, running acpi_bus_scan()
successfully on ACPI_ROOT_OBJECT generally causes many devices to
be enumerated and probed, possibly including the entire PCI bus, so
unregistering acpi_root if the registration of the "fixed" buttons
fails is rather unhelpful.
For this reason, do not fail acpi_scan_init() when
acpi_bus_scan_fixed() fails and turn the latter into a void function.
While at it, drop the outdated and misleading comment from
acpi_bus_scan_fixed().
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
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The only caller of acpi_scan_init(), acpi_init(), doesn't check its
return value, so turn it into a void function.
This avoids complaints from the Smatch static checker that the
function should return a negative error code when it fails, which
is not really a problem in this particular case.
No intentional functional impact.
Link: https://lore.kernel.org/linux-acpi/20220106082317.GA9123@kili/
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"We have a couple patches in the framework core this time around but
they're mostly minor cleanups and some debugfs stuff. The real work
that's in here is the typical pile of clk driver updates and new SoC
support.
Per usual (or maybe just recent trends), Qualcomm gains a handful of
SoC drivers additions and has the largest diffstat. After that there
are quite a few updates to the Allwinner (sunxi) drivers to support
modular drivers and Renesas is heavily updated to add more support for
various clks.
Overall it looks pretty normal.
New Drivers:
- Add MDMA and BDMA clks to Ingenic JZ4760 and JZ4770
- MediaTek mt7986 SoC basic support
- Clock and reset driver for Toshiba Visconti SoCs
- Initial clock driver for the Exynos7885 SoC (Samsung Galaxy A8)
- Allwinner D1 clks
- Lan966x Generic Clock Controller driver and associated DT bindings
- Qualcomm SDX65, SM8450, and MSM8976 GCC clks
- Qualcomm SDX65 and SM8450 RPMh clks
Updates:
- Set suppress_bind_attrs to true for i.MX8ULP driver
- Switch from do_div to div64_ul for throughout all i.MX drivers
- Fix imx8mn_clko1_sels for i.MX8MN
- Remove unused IPG_AUDIO_ROOT from i.MX8MP
- Switch parent for audio_root_clk to audio ahb in i.MX8MP driver
- Removal of all remaining uses of __clk_lookup() in
drivers/clk/samsung
- Refactoring of the CPU clocks registration to use common interface
- An update of the Exynos850 driver (support for more clock domains)
required by the E850-96 development board
- Prep for runtime PM and generic power domains on Tegra
- Support modular Allwinner clk drivers via platform bus
- Lan966x clock driver extended to support clock gating
- Add serial (SCI1), watchdog (WDT), timer (OSTM), SPI (RSPI), and
thermal (TSU) clocks and resets on Renesas RZ/G2L
- Rework SDHI clock handling in the Renesas R-Car Gen3 and RZ/G2
clock drivers, and in the Renesas SDHI driver
- Make the Cortex-A55 (I) clock on Renesas RZ/G2L programmable
- Document support for the new Renesas R-Car S4-8 (R8A779F0) SoC
- Add support for the new Renesas R-Car S4-8 (R8A779F0) SoC
- Add GPU clock and resets on Renesas RZ/G2L
- Add clk-provider.h to various Qualcomm clk drivers
- devm version of clk_hw_register_gate()
- kerneldoc fixes in a couple drivers"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (131 commits)
clk: visconti: Remove pointless NULL check in visconti_pll_add_lookup()
clk: mediatek: add mt7986 clock support
clk: mediatek: add mt7986 clock IDs
dt-bindings: clock: mediatek: document clk bindings for mediatek mt7986 SoC
clk: mediatek: clk-gate: Use regmap_{set/clear}_bits helpers
clk: mediatek: clk-gate: Shrink by adding clockgating bit check helper
clk: x86: Fix clk_gate_flags for RV_CLK_GATE
clk: x86: Use dynamic con_id string during clk registration
ACPI: APD: Add a fmw property clk-name
drivers: acpi: acpi_apd: Remove unused device property "is-rv"
x86: clk: clk-fch: Add support for newer family of AMD's SOC
clk: ingenic: Add MDMA and BDMA clocks
dt-bindings: clk/ingenic: Add MDMA and BDMA clocks
clk: bm1880: remove kfrees on static allocations
clk: Drop unused COMMON_CLK_STM32MP157_SCMI config
clk: st: clkgen-mux: search reg within node or parent
clk: st: clkgen-fsyn: search reg within node or parent
clk: Enable/Disable runtime PM for clk_summary
MAINTAINERS: Add entries for Toshiba Visconti PLL and clock controller
clk: visconti: Add support common clock driver and reset driver
...
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Add a new device property to fetch clk-name from firmware.
Signed-off-by: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
Reviewed-by: Mario Limonciello <Mario.Limonciello@amd.com>
Link: https://lore.kernel.org/r/20211212180527.1641362-4-AjitKumar.Pandey@amd.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Initially "is-rv" device property is added for 48MHz fixed clock
support on Raven or RV architecture. It's unused now as we moved
to pci device_id based selection to extend such support on other
architectures. This change removed unused code from acpi driver.
Signed-off-by: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
Reviewed-by: Mario Limonciello <Mario.Limonciello@amd.com>
Link: https://lore.kernel.org/r/20211212180527.1641362-3-AjitKumar.Pandey@amd.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL (Compute Express Link) updates from Dan Williams:
"The highlight is initial support for CXL memory hotplug. The static
NUMA node (ACPI SRAT Physical Address to Proximity Domain) information
known to platform firmware is extended to support the potential
performance-class / memory-target nodes dynamically created from
available CXL memory device capacity.
New unit test infrastructure is added for validating health
information payloads.
Fixes to module reload stress and stack usage from exposure in -next
are included. A symbol rename and some other miscellaneous fixups are
included as well.
Summary:
- Rework ACPI sub-table infrastructure to optionally be used outside
of __init scenarios and use it for CEDT.CFMWS sub-table parsing.
- Add support for extending num_possible_nodes by the potential
hotplug CXL memory ranges
- Extend tools/testing/cxl with mock memory device health information
- Fix a module-reload workqueue race
- Fix excessive stack-frame usage
- Rename the driver context data structure from "cxl_mem" since that
name collides with a proposed driver name
- Use EXPORT_SYMBOL_NS_GPL instead of -DDEFAULT_SYMBOL_NAMESPACE at
build time"
* tag 'cxl-for-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/core: Remove cxld_const_init in cxl_decoder_alloc()
cxl/pmem: Fix module reload vs workqueue state
ACPI: NUMA: Add a node and memblk for each CFMWS not in SRAT
cxl/test: Mock acpi_table_parse_cedt()
cxl/acpi: Convert CFMWS parsing to ACPI sub-table helpers
ACPI: Add a context argument for table parsing handlers
ACPI: Teach ACPI table parsing about the CEDT header format
ACPI: Keep sub-table parsing infrastructure available for modules
tools/testing/cxl: add mock output for the GET_HEALTH_INFO command
cxl/memdev: Remove unused cxlmd field
cxl/core: Convert to EXPORT_SYMBOL_NS_GPL
cxl/memdev: Change cxl_mem to a more descriptive name
cxl/mbox: Remove bad comment
cxl/pmem: Fix reference counting for delayed work
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During NUMA init, CXL memory defined in the SRAT Memory Affinity
subtable may be assigned to a NUMA node. Since there is no
requirement that the SRAT be comprehensive for CXL memory another
mechanism is needed to assign NUMA nodes to CXL memory not identified
in the SRAT.
Use the CXL Fixed Memory Window Structure (CFMWS) of the ACPI CXL
Early Discovery Table (CEDT) to find all CXL memory ranges.
Create a NUMA node for each CFMWS that is not already assigned to
a NUMA node. Add a memblk attaching its host physical address
range to the node.
Note that these ranges may not actually map any memory at boot time.
They may describe persistent capacity or may be present to enable
hot-plug.
Consumers can use phys_to_target_node() to discover the NUMA node.
Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/163553711933.2509508.2203471175679990.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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In preparation for drivers reusing the core table parsing
infrastructure, arrange for handlers to take a context argument. This
allows driver table parsing to wrap ACPI table entries in
driver-specific data.
The first consumer of this infrastructure is the CEDT parsing that
happens in the cxl_acpi driver, add a conditional
(CONFIG_ACPI_TABLE_LIB=y) export of a acpi_table_parse_cedt() helper for
this case.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Len Brown <lenb@kernel.org>
Tested-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/163553710257.2509508.14310494417463866020.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The CEDT adds yet one more unique subtable header type where the length
is a 16-bit value. Extend the subtable helpers to detect this scenario.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Len Brown <lenb@kernel.org>
Tested-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/163553709742.2509508.5177761945441327574.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The NFIT driver and now the CXL ACPI driver have both open-coded ACPI
table parsing. Before another instance is added arrange for the core
ACPI sub-table parsing to be optionally available to drivers via the
CONFIG_ACPI_TABLE_LIB symbol. If no drivers select the symbol then the
infrastructure reverts back to being tagged __init via the
__init_or_acpilib annotation.
For now, only tag the core sub-table routines and data that the CEDT parsing in
the cxl_acpi driver would want to reuse, a CEDT parsing helper is added
in a later change.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Alison Schofield <alison.schofield@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/163553709227.2509508.8215196520233473814.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull dax and libnvdimm updates from Dan Williams:
"The bulk of this is a rework of the dax_operations API after
discovering the obstacles it posed to the work-in-progress DAX+reflink
support for XFS and other copy-on-write filesystem mechanics.
Primarily the need to plumb a block_device through the API to handle
partition offsets was a sticking point and Christoph untangled that
dependency in addition to other cleanups to make landing the
DAX+reflink support easier.
The DAX_PMEM_COMPAT option has been around for 4 years and not only
are distributions shipping userspace that understand the current
configuration API, but some are not even bothering to turn this option
on anymore, so it seems a good time to remove it per the deprecation
schedule. Recall that this was added after the device-dax subsystem
moved from /sys/class/dax to /sys/bus/dax for its sysfs organization.
All recent functionality depends on /sys/bus/dax.
Some other miscellaneous cleanups and reflink prep patches are
included as well.
Summary:
- Simplify the dax_operations API:
- Eliminate bdev_dax_pgoff() in favor of the filesystem
maintaining and applying a partition offset to all its DAX iomap
operations.
- Remove wrappers and device-mapper stacked callbacks for
->copy_from_iter() and ->copy_to_iter() in favor of moving
block_device relative offset responsibility to the
dax_direct_access() caller.
- Remove the need for an @bdev in filesystem-DAX infrastructure
- Remove unused uio helpers copy_from_iter_flushcache() and
copy_mc_to_iter() as only the non-check_copy_size() versions are
used for DAX.
- Prepare XFS for the pending (next merge window) DAX+reflink support
- Remove deprecated DEV_DAX_PMEM_COMPAT support
- Cleanup a straggling misuse of the GUID api"
* tag 'libnvdimm-for-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (38 commits)
iomap: Fix error handling in iomap_zero_iter()
ACPI: NFIT: Import GUID before use
dax: remove the copy_from_iter and copy_to_iter methods
dax: remove the DAXDEV_F_SYNC flag
dax: simplify dax_synchronous and set_dax_synchronous
uio: remove copy_from_iter_flushcache() and copy_mc_to_iter()
iomap: turn the byte variable in iomap_zero_iter into a ssize_t
memremap: remove support for external pgmap refcounts
fsdax: don't require CONFIG_BLOCK
iomap: build the block based code conditionally
dax: fix up some of the block device related ifdefs
fsdax: shift partition offset handling into the file systems
dax: return the partition offset from fs_dax_get_by_bdev
iomap: add a IOMAP_DAX flag
xfs: pass the mapping flags to xfs_bmbt_to_iomap
xfs: use xfs_direct_write_iomap_ops for DAX zeroing
xfs: move dax device handling into xfs_{alloc,free}_buftarg
ext4: cleanup the dax handling in ext4_fill_super
ext2: cleanup the dax handling in ext2_fill_super
fsdax: decouple zeroing from the iomap buffered I/O code
...
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Strictly speaking the comparison between guid_t and raw buffer
is not correct. Import GUID to variable of guid_t type and then
compare.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211213204632.56735-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB and Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt driver changes for
5.17-rc1.
Nothing major in here, just lots of little updates and cleanups. These
include:
- some USB header fixes picked from Ingo's header-splitup work
- more USB4/Thunderbolt hardware support added
- USB gadget driver updates and additions
- USB typec additions (includes some acpi changes, which were acked
by the ACPI maintainer)
- core USB fixes as found by syzbot that were too late for 5.16-final
- USB dwc3 driver updates
- USB dwc2 driver updates
- platform_get_irq() conversions of some USB drivers
- other minor USB driver updates and additions
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (111 commits)
docs: ABI: fixed formatting in configfs-usb-gadget-uac2
usb: gadget: u_audio: Subdevice 0 for capture ctls
usb: gadget: u_audio: fix calculations for small bInterval
usb: dwc2: gadget: initialize max_speed from params
usb: dwc2: do not gate off the hardware if it does not support clock gating
usb: dwc3: qcom: Fix NULL vs IS_ERR checking in dwc3_qcom_probe
headers/deps: USB: Optimize <linux/usb/ch9.h> dependencies, remove <linux/device.h>
USB: common: debug: add needed kernel.h include
headers/prep: Fix non-standard header section: drivers/usb/host/ohci-tmio.c
headers/prep: Fix non-standard header section: drivers/usb/cdns3/core.h
headers/prep: usb: gadget: Fix namespace collision
USB: core: Fix bug in resuming hub's handling of wakeup requests
USB: Fix "slab-out-of-bounds Write" bug in usb_hcd_poll_rh_status
usb: dwc3: dwc3-qcom: Add missing platform_device_put() in dwc3_qcom_acpi_register_core
usb: gadget: clear related members when goto fail
usb: gadget: don't release an existing dev->buf
usb: dwc2: Simplify a bitmap declaration
usb: Remove usb_for_each_port()
usb: typec: port-mapper: Convert to the component framework
usb: Link the ports to the connectors they are attached to
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Storing CRC-32 hash of the Physical Location of Device
object (_PLD) with devices that have it. The hash is stored
to a new struct acpi_device member "pld_crc".
The hash makes it easier to find devices that share a
location, as there is no need to evaluate the entire object
every time. Knowledge about devices that share a location
can be used in device drivers that need to know the
connections to other components inside a system. USB3 ports
will for example always share their location with a USB2
port.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20211223081620.45479-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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So we can use bus_for_each_dev() and others from modules.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20211223081620.45479-2-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"The most signigicant change here is the addition of a new cpufreq
'P-state' driver for AMD processors as a better replacement for the
venerable acpi-cpufreq driver.
There are also other cpufreq updates (in the core, intel_pstate, ARM
drivers), PM core updates (mostly related to adding new macros for
declaring PM operations which should make the lives of driver
developers somewhat easier), and a bunch of assorted fixes and
cleanups.
Summary:
- Add new P-state driver for AMD processors (Huang Rui).
- Fix initialization of min and max frequency QoS requests in the
cpufreq core (Rafael Wysocki).
- Fix EPP handling on Alder Lake in intel_pstate (Srinivas
Pandruvada).
- Make intel_pstate update cpuinfo.max_freq when notified of HWP
capabilities changes and drop a redundant function call from that
driver (Rafael Wysocki).
- Improve IRQ support in the Qcom cpufreq driver (Ard Biesheuvel,
Stephen Boyd, Vladimir Zapolskiy).
- Fix double devm_remap() in the Mediatek cpufreq driver (Hector
Yuan).
- Introduce thermal pressure helpers for cpufreq CPU cooling (Lukasz
Luba).
- Make cpufreq use default_groups in kobj_type (Greg Kroah-Hartman).
- Make cpuidle use default_groups in kobj_type (Greg Kroah-Hartman).
- Fix two comments in cpuidle code (Jason Wang, Yang Li).
- Allow model-specific normal EPB value to be used in the intel_epb
sysfs attribute handling code (Srinivas Pandruvada).
- Simplify locking in pm_runtime_put_suppliers() (Rafael Wysocki).
- Add safety net to supplier device release in the runtime PM core
code (Rafael Wysocki).
- Capture device status before disabling runtime PM for it (Rafael
Wysocki).
- Add new macros for declaring PM operations to allow drivers to
avoid guarding them with CONFIG_PM #ifdefs or __maybe_unused and
update some drivers to use these macros (Paul Cercueil).
- Allow ACPI hardware signature to be honoured during restore from
hibernation (David Woodhouse).
- Update outdated operating performance points (OPP) documentation
(Tang Yizhou).
- Reduce log severity for informative message regarding frequency
transition failures in devfreq (Tzung-Bi Shih).
- Add DRAM frequency controller devfreq driver for Allwinner sunXi
SoCs (Samuel Holland).
- Add missing COMMON_CLK dependency to sun8i devfreq driver (Arnd
Bergmann).
- Add support for new layout of Psys PowerLimit Register on SPR to
the Intel RAPL power capping driver (Zhang Rui).
- Fix typo in a comment in idle_inject.c (Jason Wang).
- Remove unused function definition from the DTPM (Dynamit Thermal
Power Management) power capping framework (Daniel Lezcano).
- Reduce DTPM trace verbosity (Daniel Lezcano)"
* tag 'pm-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (53 commits)
x86, sched: Fix undefined reference to init_freq_invariance_cppc() build error
cpufreq: amd-pstate: Fix Kconfig dependencies for AMD P-State
cpufreq: amd-pstate: Fix struct amd_cpudata kernel-doc comment
cpuidle: use default_groups in kobj_type
x86: intel_epb: Allow model specific normal EPB value
MAINTAINERS: Add AMD P-State driver maintainer entry
Documentation: amd-pstate: Add AMD P-State driver introduction
cpufreq: amd-pstate: Add AMD P-State performance attributes
cpufreq: amd-pstate: Add AMD P-State frequencies attributes
cpufreq: amd-pstate: Add boost mode support for AMD P-State
cpufreq: amd-pstate: Add trace for AMD P-State module
cpufreq: amd-pstate: Introduce the support for the processors with shared memory solution
cpufreq: amd-pstate: Add fast switch function for AMD P-State
cpufreq: amd-pstate: Introduce a new AMD P-State driver to support future processors
ACPI: CPPC: Add CPPC enable register function
ACPI: CPPC: Check present CPUs for determining _CPC is valid
ACPI: CPPC: Implement support for SystemIO registers
x86/msr: Add AMD CPPC MSR definitions
x86/cpufeatures: Add AMD Collaborative Processor Performance Control feature flag
cpufreq: use default_groups in kobj_type
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Merge cpuidle updates, PM core updates and one hiberation-related
update for 5.17-rc1:
- Make cpuidle use default_groups in kobj_type (Greg Kroah-Hartman).
- Fix two comments in cpuidle code (Jason Wang, Yang Li).
- Simplify locking in pm_runtime_put_suppliers() (Rafael Wysocki).
- Add safety net to supplier device release in the runtime PM core
code (Rafael Wysocki).
- Capture device status before disabling runtime PM for it (Rafael
Wysocki).
- Add new macros for declaring PM operations to allow drivers to
avoid guarding them with CONFIG_PM #ifdefs or __maybe_unused and
update some drivers to use these macros (Paul Cercueil).
- Allow ACPI hardware signature to be honoured during restore from
hibernation (David Woodhouse).
* pm-cpuidle:
cpuidle: use default_groups in kobj_type
cpuidle: Fix cpuidle_remove_state_sysfs() kerneldoc comment
cpuidle: menu: Fix typo in a comment
* pm-core:
PM: runtime: Simplify locking in pm_runtime_put_suppliers()
mmc: mxc: Use the new PM macros
mmc: jz4740: Use the new PM macros
PM: runtime: Add safety net to supplier device release
PM: runtime: Capture device status before disabling runtime PM
PM: core: Add new *_PM_OPS macros, deprecate old ones
PM: core: Redefine pm_ptr() macro
r8169: Avoid misuse of pm_ptr() macro
* pm-sleep:
PM: hibernate: Allow ACPI hardware signature to be honoured
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Theoretically, when the hardware signature in FACS changes, the OS
is supposed to gracefully decline to attempt to resume from S4:
"If the signature has changed, OSPM will not restore the system
context and can boot from scratch"
In practice, Windows doesn't do this and many laptop vendors do allow
the signature to change especially when docking/undocking, so it would
be a bad idea to simply comply with the specification by default in the
general case.
However, there are use cases where we do want the compliant behaviour
and we know it's safe. Specifically, when resuming virtual machines where
we know the hypervisor has changed sufficiently that resume will fail.
We really want to be able to *tell* the guest kernel not to try, so it
boots cleanly and doesn't just crash. This patch provides a way to opt
in to the spec-compliant behaviour on the command line.
A follow-up patch may do this automatically for certain "known good"
machines based on a DMI match, or perhaps just for all hypervisor
guests since there's no good reason a hypervisor would change the
hardware_signature that it exposes to guests *unless* it wants them
to obey the ACPI specification.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add a new function to enable CPPC feature. This function
will write Continuous Performance Control package
EnableRegister field on the processor.
CPPC EnableRegister register described in section 8.4.7.1 of ACPI 6.4:
This element is optional. If supported, contains a resource descriptor
with a single Register() descriptor that describes a register to which
OSPM writes a One to enable CPPC on this processor. Before this register
is set, the processor will be controlled by legacy mechanisms (ACPI
Pstates, firmware, etc.).
This register will be used for AMD processors to enable AMD P-State
function instead of legacy ACPI P-States.
Signed-off-by: Jinzhou Su <Jinzhou.Su@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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As this is a static check, it should be based upon what is currently
present on the system. This makes probeing more deterministic.
While local APIC flags field (lapic_flags) of cpu core in MADT table is
0, then the cpu core won't be enabled. In this case, _CPC won't be found
in this core, and return back to _CPC invalid with walking through
possible cpus (include disable cpus). This is not expected, so switch to
check present CPUs instead.
Reported-by: Jinzhou Su <Jinzhou.Su@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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According to the ACPI v6.2 (and later) specification, SystemIO can be
used for _CPC registers. This teaches cppc_acpi how to handle such
registers.
This patch was tested using the amd_pstate driver on my Zephyrus G15
(model GA503QS) using the current version 410 BIOS, which uses
a SystemIO register for the HighestPerformance element in _CPC.
Signed-off-by: Steven Noonan <steven@valvesoftware.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These are usual ACPICA code updates (although there are more of them
than in the last few releases), a noticeable EC driver update (which
mostly consists of cleanups, though), the device enumeration quirks
handling rework from Hans, some updates eliminating unnecessary CPU
cache flushing in some places (processor idle and system-wide PM code)
and a bunch of assorted cleanups and fixes.
Specifics:
- Update ACPICA code in the kernel to the 20211217 upstream release
including the following changes:
- iASL/Disassembler: Additional support for NHLT table (Bob
Moore).
- Change a return_ACPI_STATUS (AE_BAD_PARAMETER) (Bob Moore).
- Fix a couple of warnings under MSVC (Bob Moore).
- iASL: Add TDEL table to both compiler/disassembler (Bob Moore).
- iASL/NHLT table: "Specific Data" field support (Bob Moore).
- Use original data_table_region pointer for accesses (Jessica
Clarke).
- Use original pointer for virtual origin tables (Jessica Clarke).
- Macros: Remove ACPI_PHYSADDR_TO_PTR (Jessica Clarke).
- Avoid subobject buffer overflow when validating RSDP signature
(Jessica Clarke).
- iASL: Add suppport for AGDI table (Ilkka Koskinen).
- Hardware: Do not flush CPU cache when entering S4 and S5 (Kirill
A. Shutemov).
- Expand the ACPI_ACCESS_ definitions (Mark Langsdorf).
- Utilities: Avoid deleting the same object twice in a row (Rafael
Wysocki).
- Executer: Fix REFCLASS_REFOF case in acpi_ex_opcode_1A_0T_1R()
(Rafael Wysocki).
- Fix AEST Processor generic resource substructure data field byte
length (Shuuichirou Ishii).
- Fix wrong interpretation of PCC address (Sudeep Holla).
- Add support for PCC Opregion special context data (Sudeep
Holla).
- Implement OperationRegion handler for PCC Type 3 subtype (Sudeep
Holla).
- Introduce acpi_fetch_acpi_dev() as a replacement for
acpi_bus_get_device() and use it in the ACPI subsystem (Rafael
Wysocki).
- Avoid using _CID for device enumaration if _HID is missing or
invalid (Rafael Wysocki).
- Rework quirk handling during ACPI device enumeration and add some
new quirks for known broken platforms (Hans de Goede).
- Avoid unnecessary or redundant CPU cache flushing during system PM
transitions (Kirill A. Shutemov).
- Add PM debug messages related to power resources (Rafael Wysocki).
- Fix kernel-doc comment in the PCI host bridge ACPI driver (Yang
Li).
- Rework flushing of EC work while suspended to idle and clean up the
handling of events in the ACPI EC driver (Rafael Wysocki).
- Prohibit ec_sys module parameter write_support from being used when
the system is locked down (Hans de Goede).
- Make the ACPI processor thermal driver use cpufreq_cpu_get() to
check for presence of cpufreq policy (Manfred Spraul).
- Avoid unnecessary CPU cache flushing in the ACPI processor idle
driver (Kirill A. Shutemov).
- Replace kernel.h with the necessary inclusions in the ACPI
processor driver (Andy Shevchenko).
- Use swap() instead of open coding it in the ACPI processor idle
driver (Guo Zhengkui).
- Fix the handling of defective LPAT in the ACPI xpower PMIC driver
and clean up some definitions of PMIC data structures (Hans de
Goede).
- Fix outdated comment in the ACPI DPTF driver (Sumeet Pawnikar).
- Add AEST to the list of known ACPI table signatures (Shuuichirou
Ishii).
- Make ACPI NUMA code take hotpluggable memblocks into account when
CONFIG_MEMORY_HOTPLUG is not set (Vitaly Kuznetsov).
- Use default_groups in kobj_type in the ACPI sysfs code (Greg
Kroah-Hartman).
- Rearrange _CPC structure documentation (Andy Shevchenko).
- Drop an always true check from the ACPI thermal driver (Adam
Borowski).
- Add new "not charging" quirk for Lenovo ThinkPads to the ACPI
battery driver (Thomas Weißschuh)"
* tag 'acpi-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (64 commits)
ACPI: PCC: Implement OperationRegion handler for the PCC Type 3 subtype
ACPI / x86: Skip AC and battery devices on x86 Android tablets with broken DSDTs
ACPI / x86: Introduce an acpi_quirk_skip_acpi_ac_and_battery() helper
ACPI: processor: thermal: avoid cpufreq_get_policy()
serdev: Do not instantiate serdevs on boards with known bogus DSDT entries
i2c: acpi: Do not instantiate I2C-clients on boards with known bogus DSDT entries
ACPI / x86: Add acpi_quirk_skip_[i2c_client|serdev]_enumeration() helpers
ACPI: scan: Create platform device for BCM4752 and LNV4752 ACPI nodes
PCI/ACPI: Fix acpi_pci_osc_control_set() kernel-doc comment
ACPI: battery: Add the ThinkPad "Not Charging" quirk
ACPI: sysfs: use default_groups in kobj_type
ACPICA: Update version to 20211217
ACPICA: iASL/NHLT table: "Specific Data" field support
ACPICA: iASL: Add suppport for AGDI table
ACPICA: iASL: Add TDEL table to both compiler/disassembler
ACPICA: Fixed a couple of warnings under MSVC
ACPICA: Change a return_ACPI_STATUS (AE_BAD_PARAMETER)
ACPICA: Hardware: Do not flush CPU cache when entering S4 and S5
ACPICA: Add support for PCC Opregion special context data
ACPICA: Fix wrong interpretation of PCC address
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'acpi-thermal' and 'acpi-battery'
Merge ACPI tables parsing code update, NUMA-related ACPI update, CPPC
documentation update, ACPI sysfs attributes handling update and ACPI
thermal and battery drivers updates for 5.17-rc1:
- Add AEST to the list of known ACPI table signatures (Shuuichirou
Ishii).
- Make ACPI NUMA code take hotpluggable memblocks into account when
CONFIG_MEMORY_HOTPLUG is not set (Vitaly Kuznetsov).
- Use default_groups in kobj_type in the ACPI sysfs code (Greg
Kroah-Hartman).
- Rearrange _CPC structure documentation (Andy Shevchenko).
- Drop an always true check from the ACPI thermal driver (Adam
Borowski).
- Add new "not charging" quirk for Lenovo ThinkPads to the ACPI
battery driver (Thomas Weißschuh).
* acpi-tables:
ACPI: tables: Add AEST to the list of known table signatures
* acpi-numa:
ACPI: NUMA: Process hotpluggable memblocks when !CONFIG_MEMORY_HOTPLUG
* acpi-sysfs:
ACPI: sysfs: use default_groups in kobj_type
* acpi-cppc:
ACPI: CPPC: Amend documentation in the comments
* acpi-thermal:
ACPI: thermal: drop an always true check
* acpi-battery:
ACPI: battery: Add the ThinkPad "Not Charging" quirk
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The EC/ACPI firmware on Lenovo ThinkPads used to report a status
of "Unknown" when the battery is between the charge start and
charge stop thresholds. On Windows, it reports "Not Charging"
so the quirk has been added to also report correctly.
Now the "status" attribute returns "Not Charging" when the
battery on ThinkPads is not physicaly charging.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Address of a field inside a struct can't possibly be null; gcc-12 warns
about this.
Signed-off-by: Adam Borowski <kilobyte@angband.pl>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Currently it's too hard to read the _CPC structure as it's commented.
Reshuffle indentation and style to make it readable.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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There are currently 2 ways to create a set of sysfs files for a
kobj_type, through the default_attrs field, and the default_groups
field. Move the ACPI sysfs code to use default_groups field which has
been the preferred way since aa30f47cf666 ("kobject: Add support for
default attribute groups to kobj_type") so that we can soon get rid of
the obsolete default_attrs field.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Some systems (e.g. Hyper-V guests) have all their memory marked as
hotpluggable in SRAT. acpi_numa_memory_affinity_init(), however,
ignores all such regions when !CONFIG_MEMORY_HOTPLUG and this is
unfortunate as memory affinity (NUMA) information gets lost.
'Hot Pluggable' flag in SRAT only means that "system hardware supports
hot-add and hot-remove of this memory region", it doesn't prevent
memory from being cold-plugged there.
Ignore 'Hot Pluggable' bit instead of skipping the whole memory
affinity information when !CONFIG_MEMORY_HOTPLUG.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add AEST to the list of known ACPI table signatures to allow the
kernel to recognize it when upgrading tables via initrd.
Signed-off-by: Shuuichirou Ishii <ishii.shuuichir@fujitsu.com>
Acked-by: Hanjun Guo <guohanjun@huawei.com>
[ rjw: New subject and changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Merge x86-specific ACPI updates, PMIC driver ACPI updates and a DPTF
driver update for 5.17-rc1:
- Rework the handling of device enumeration quirks in the x86-specific
code and add new quirks for known-broken platforms (Hans de Goede).
- Fix the handling of defective LPAT in the ACPI xpower PMIC driver
and clean up some definitions of PMIC data structures (Hans de
Goede).
- Fix outdated comment in the ACPI DPTF driver (Sumeet Pawnikar).
* acpi-x86:
ACPI / x86: Skip AC and battery devices on x86 Android tablets with broken DSDTs
ACPI / x86: Introduce an acpi_quirk_skip_acpi_ac_and_battery() helper
mmc: sdhci-acpi: Use the new soc_intel_is_byt() helper
mmc: sdhci-acpi: Remove special handling for GPD win/pocket devices
ACPI / x86: Add PWM2 on the Xiaomi Mi Pad 2 to the always_present list
ACPI / x86: Add not-present quirk for the PCI0.SDHB.BRC1 device on the GPD win
ACPI / x86: Allow specifying acpi_device_override_status() quirks by path
ACPI: Change acpi_device_always_present() into acpi_device_override_status()
ACPI / x86: Drop PWM2 device on Lenovo Yoga Book from always present table
* acpi-pmic:
ACPI: PMIC: xpower: Fix _TMP ACPI errors
ACPI: PMIC: allow drivers to provide a custom lpat_raw_to_temp() function
ACPI: PMIC: constify all struct intel_pmic_opregion_data declarations
* acpi-dptf:
ACPI: DPTF: Update device ID in a comment
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