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Dell All In One (AIO) models released after 2017 may use a backlight
controller board connected to an UART.
In DSDT this uart port will be defined as:
Name (_HID, "DELL0501")
Name (_CID, EisaId ("PNP0501")
The Dell OptiPlex 7760 AIO has an ACPI device for one if its UARTs with
the above _HID + _CID. Loading the dell-uart-backlight driver shows that
there actually is a backlight controller board attached to the UART,
which reports a firmware version of "G&MX01-V15".
But the backlight controller board does not actually control the backlight
brightness and the GPU's native backlight control method does work.
Add a quirk to use the GPU's native backlight control method on this model.
Fixes: 484bae9e4d6a ("platform/x86: Add new Dell UART backlight driver")
Closes: https://bugzilla.redhat.com/show_bug.cgi?id=2303936
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20240814190159.15650-4-hdegoede@redhat.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Dell All In One (AIO) models released after 2017 use a backlight
controller board connected to an UART.
In DSDT this uart port will be defined as:
Name (_HID, "DELL0501")
Name (_CID, EisaId ("PNP0501")
Commit 484bae9e4d6a ("platform/x86: Add new Dell UART backlight driver")
has added support for this, but I neglected to tie this into
acpi_video_get_backlight_type().
Now the first AIO has turned up which has not only the DSDT bits for this,
but also an actual controller attached to the UART, yet it is not using
this controller for backlight control.
Add support to acpi_video_get_backlight_type() for a new dell_uart
backlight type. So that the existing infra to override the backlight
control method on the commandline or with DMI quirks can be used.
Fixes: 484bae9e4d6a ("platform/x86: Add new Dell UART backlight driver")
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20240814190159.15650-2-hdegoede@redhat.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 60fa6ae6e6d0 ("ACPI: EC: Install address space handler at the
namespace root") caused _REG methods for EC operation regions outside
the EC device scope to be evaluated which on some systems leads to the
evaluation of _REG methods in the scopes of device objects representing
devices that are not present and not functional according to the _STA
return values. Some of those device objects represent EC "alternatives"
and if _REG is evaluated for their operation regions, the platform
firmware may be confused and the platform may start to behave
incorrectly.
To avoid this problem, only evaluate _REG for EC operation regions
located in the scopes of device objects representing known-to-be-present
devices.
For this purpose, partially revert commit 60fa6ae6e6d0 and trigger the
evaluation of _REG for EC operation regions from acpi_bus_attach() for
the known-valid devices.
Fixes: 60fa6ae6e6d0 ("ACPI: EC: Install address space handler at the namespace root")
Link: https://lore.kernel.org/linux-acpi/1f76b7e2-1928-4598-8037-28a1785c2d13@redhat.com
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2298938
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2302253
Reported-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Cc: All applicable <stable@vger.kernel.org>
Link: https://patch.msgid.link/23612351.6Emhk5qWAg@rjwysocki.net
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A subsequent change will need to pass a depth argument to
acpi_execute_reg_methods(), so prepare that function for it.
No intentional functional changes.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Cc: All applicable <stable@vger.kernel.org>
Link: https://patch.msgid.link/8451567.NyiUUSuA9g@rjwysocki.net
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This reverts commit 0e6b6dedf168 ("Revert "ACPI: EC: Evaluate orphan
_REG under EC device") because the problem addressed by it will be
addressed differently in what follows.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Cc: All applicable <stable@vger.kernel.org>
Link: https://patch.msgid.link/3236716.5fSG56mABF@rjwysocki.net
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Palmer Dabbelt:
- Support for NUMA (via SRAT and SLIT), console output (via SPCR), and
cache info (via PPTT) on ACPI-based systems.
- The trap entry/exit code no longer breaks the return address stack
predictor on many systems, which results in an improvement to trap
latency.
- Support for HAVE_ARCH_STACKLEAK.
- The sv39 linear map has been extended to support 128GiB mappings.
- The frequency of the mtime CSR is now visible via hwprobe.
* tag 'riscv-for-linus-6.11-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (21 commits)
RISC-V: Provide the frequency of time CSR via hwprobe
riscv: Extend sv39 linear mapping max size to 128G
riscv: enable HAVE_ARCH_STACKLEAK
riscv: signal: Remove unlikely() from WARN_ON() condition
riscv: Improve exception and system call latency
RISC-V: Select ACPI PPTT drivers
riscv: cacheinfo: initialize cacheinfo's level and type from ACPI PPTT
riscv: cacheinfo: remove the useless input parameter (node) of ci_leaf_init()
RISC-V: ACPI: Enable SPCR table for console output on RISC-V
riscv: boot: remove duplicated targets line
trace: riscv: Remove deprecated kprobe on ftrace support
riscv: cpufeature: Extract common elements from extension checking
riscv: Introduce vendor variants of extension helpers
riscv: Add vendor extensions to /proc/cpuinfo
riscv: Extend cpufeature.c to detect vendor extensions
RISC-V: run savedefconfig for defconfig
RISC-V: hwprobe: sort EXT_KEY()s in hwprobe_isa_ext0() alphabetically
ACPI: NUMA: replace pr_info with pr_debug in arch_acpi_numa_init
ACPI: NUMA: change the ACPI_NUMA to a hidden option
ACPI: NUMA: Add handler for SRAT RINTC affinity structure
...
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Haibo Xu <haibo1.xu@intel.com> says:
This patch series enable RISC-V ACPI NUMA support which was based on
the recently approved ACPI ECR[1].
Patch 1/4 add RISC-V specific acpi_numa.c file to parse NUMA information
from SRAT and SLIT ACPI tables.
Patch 2/4 add the common SRAT RINTC affinity structure handler.
Patch 3/4 change the ACPI_NUMA to a hidden option since it would be selected
by default on all supported platform.
Patch 4/4 replace pr_info with pr_debug in arch_acpi_numa_init() to avoid
potential boot noise on ACPI platforms that are not NUMA.
Based-on: https://github.com/linux-riscv/linux-riscv/tree/for-next
[1] https://drive.google.com/file/d/1YTdDx2IPm5IeZjAW932EYU-tUtgS08tX/view?usp=sharing
Testing:
Since the ACPI AIA/PLIC support patch set is still under upstream review,
hence it is tested using the poll based HVC SBI console and RAM disk.
1) Build latest Qemu with the following patch backported
https://github.com/vlsunil/qemu/commit/42bd4eeefd5d4410a68f02d54fee406d8a1269b0
2) Build latest EDK-II
https://github.com/tianocore/edk2/blob/master/OvmfPkg/RiscVVirt/README.md
3) Build Linux with the following configs enabled
CONFIG_RISCV_SBI_V01=y
CONFIG_SERIAL_EARLYCON_RISCV_SBI=y
CONFIG_NONPORTABLE=y
CONFIG_HVC_RISCV_SBI=y
CONFIG_NUMA=y
CONFIG_ACPI_NUMA=y
4) Build buildroot rootfs.cpio
5) Launch the Qemu machine
qemu-system-riscv64 -nographic \
-machine virt,pflash0=pflash0,pflash1=pflash1 -smp 4 -m 8G \
-blockdev node-name=pflash0,driver=file,read-only=on,filename=RISCV_VIRT_CODE.fd \
-blockdev node-name=pflash1,driver=file,filename=RISCV_VIRT_VARS.fd \
-object memory-backend-ram,size=4G,id=m0 \
-object memory-backend-ram,size=4G,id=m1 \
-numa node,memdev=m0,cpus=0-1,nodeid=0 \
-numa node,memdev=m1,cpus=2-3,nodeid=1 \
-numa dist,src=0,dst=1,val=30 \
-kernel linux/arch/riscv/boot/Image \
-initrd buildroot/output/images/rootfs.cpio \
-append "root=/dev/ram ro console=hvc0 earlycon=sbi"
[ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x80000000-0x17fffffff]
[ 0.000000] ACPI: SRAT: Node 1 PXM 1 [mem 0x180000000-0x27fffffff]
[ 0.000000] NUMA: NODE_DATA [mem 0x17fe3bc40-0x17fe3cfff]
[ 0.000000] NUMA: NODE_DATA [mem 0x27fff4c40-0x27fff5fff]
...
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> HARTID 0x0 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> HARTID 0x1 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> HARTID 0x2 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> HARTID 0x3 -> Node 1
* b4-shazam-merge:
ACPI: NUMA: replace pr_info with pr_debug in arch_acpi_numa_init
ACPI: NUMA: change the ACPI_NUMA to a hidden option
ACPI: NUMA: Add handler for SRAT RINTC affinity structure
ACPI: RISCV: Add NUMA support based on SRAT and SLIT
Link: https://lore.kernel.org/r/cover.1718268003.git.haibo1.xu@intel.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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x86/arm64/loongarch would select ACPI_NUMA by default and riscv
would do the same thing, so change it to a hidden option and the
select statements except for the X86_64_ACPI_NUMA can also go away.
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Suggested-by: Sunil V L <sunilvl@ventanamicro.com>
Signed-off-by: Haibo Xu <haibo1.xu@intel.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Acked-by: Will Deacon <will@kernel.org>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/f1f96377b8ecd6e3183f28abf5c9ac21cb9855ea.1718268003.git.haibo1.xu@intel.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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Add RINTC affinity structure handler during parsing SRAT table.
Signed-off-by: Haibo Xu <haibo1.xu@intel.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/e076514d78d92f104a5f2d8c82b8921f6aa26fdd.1718268003.git.haibo1.xu@intel.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the big set of driver core changes for 6.11-rc1.
Lots of stuff in here, with not a huge diffstat, but apis are evolving
which required lots of files to be touched. Highlights of the changes
in here are:
- platform remove callback api final fixups (Uwe took many releases
to get here, finally!)
- Rust bindings for basic firmware apis and initial driver-core
interactions.
It's not all that useful for a "write a whole driver in rust" type
of thing, but the firmware bindings do help out the phy rust
drivers, and the driver core bindings give a solid base on which
others can start their work.
There is still a long way to go here before we have a multitude of
rust drivers being added, but it's a great first step.
- driver core const api changes.
This reached across all bus types, and there are some fix-ups for
some not-common bus types that linux-next and 0-day testing shook
out.
This work is being done to help make the rust bindings more safe,
as well as the C code, moving toward the end-goal of allowing us to
put driver structures into read-only memory. We aren't there yet,
but are getting closer.
- minor devres cleanups and fixes found by code inspection
- arch_topology minor changes
- other minor driver core cleanups
All of these have been in linux-next for a very long time with no
reported problems"
* tag 'driver-core-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (55 commits)
ARM: sa1100: make match function take a const pointer
sysfs/cpu: Make crash_hotplug attribute world-readable
dio: Have dio_bus_match() callback take a const *
zorro: make match function take a const pointer
driver core: module: make module_[add|remove]_driver take a const *
driver core: make driver_find_device() take a const *
driver core: make driver_[create|remove]_file take a const *
firmware_loader: fix soundness issue in `request_internal`
firmware_loader: annotate doctests as `no_run`
devres: Correct code style for functions that return a pointer type
devres: Initialize an uninitialized struct member
devres: Fix memory leakage caused by driver API devm_free_percpu()
devres: Fix devm_krealloc() wasting memory
driver core: platform: Switch to use kmemdup_array()
driver core: have match() callback in struct bus_type take a const *
MAINTAINERS: add Rust device abstractions to DRIVER CORE
device: rust: improve safety comments
MAINTAINERS: add Danilo as FIRMWARE LOADER maintainer
MAINTAINERS: add Rust FW abstractions to FIRMWARE LOADER
firmware: rust: improve safety comments
...
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In the match() callback, the struct device_driver * should not be
changed, so change the function callback to be a const *. This is one
step of many towards making the driver core safe to have struct
device_driver in read-only memory.
Because the match() callback is in all busses, all busses are modified
to handle this properly. This does entail switching some container_of()
calls to container_of_const() to properly handle the constant *.
For some busses, like PCI and USB and HV, the const * is cast away in
the match callback as those busses do want to modify those structures at
this point in time (they have a local lock in the driver structure.)
That will have to be changed in the future if they wish to have their
struct device * in read-only-memory.
Cc: Rafael J. Wysocki <rafael@kernel.org>
Reviewed-by: Alex Elder <elder@kernel.org>
Acked-by: Sumit Garg <sumit.garg@linaro.org>
Link: https://lore.kernel.org/r/2024070136-wrongdoer-busily-01e8@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt subsystem updates from Thomas Gleixner:
"Core:
- Provide a new mechanism to create interrupt domains. The existing
interfaces have already too many parameters and it's a pain to
expand any of this for new required functionality.
The new function takes a pointer to a data structure as argument.
The data structure combines all existing parameters and allows for
easy extension.
The first extension for this is to handle the instantiation of
generic interrupt chips at the core level and to allow drivers to
provide extra init/exit callbacks.
This is necessary to do the full interrupt chip initialization
before the new domain is published, so that concurrent usage sites
won't see a half initialized interrupt domain. Similar problems
exist on teardown.
This has turned out to be a real problem due to the deferred and
parallel probing which was added in recent years.
Handling this at the core level allows to remove quite some accrued
boilerplate code in existing drivers and avoids horrible
workarounds at the driver level.
- The usual small improvements all over the place
Drivers:
- Add support for LAN966x OIC and RZ/Five SoC
- Split the STM ExtI driver into a microcontroller and a SMP version
to allow building the latter as a module for multi-platform
kernels
- Enable MSI support for Armada 370XP on platforms which do not
support IPIs
- The usual small fixes and enhancements all over the place"
* tag 'irq-core-2024-07-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (59 commits)
irqdomain: Fix the kernel-doc and plug it into Documentation
genirq: Set IRQF_COND_ONESHOT in request_irq()
irqchip/imx-irqsteer: Handle runtime power management correctly
irqchip/gic-v3: Pass #redistributor-regions to gic_of_setup_kvm_info()
irqchip/bcm2835: Enable SKIP_SET_WAKE and MASK_ON_SUSPEND
irqchip/gic-v4: Make sure a VPE is locked when VMAPP is issued
irqchip/gic-v4: Substitute vmovp_lock for a per-VM lock
irqchip/gic-v4: Always configure affinity on VPE activation
Revert "irqchip/dw-apb-ictl: Support building as module"
Revert "Loongarch: Support loongarch avec"
arm64: Kconfig: Allow build irq-stm32mp-exti driver as module
ARM: stm32: Allow build irq-stm32mp-exti driver as module
irqchip/stm32mp-exti: Allow building as module
irqchip/stm32mp-exti: Rename internal symbols
irqchip/stm32-exti: Split MCU and MPU code
arm64: Kconfig: Select STM32MP_EXTI on STM32 platforms
ARM: stm32: Use different EXTI driver on ARMv7m and ARMv7a
irqchip/stm32-exti: Add CONFIG_STM32MP_EXTI
irqchip/dw-apb-ictl: Support building as module
irqchip/riscv-aplic: Simplify the initialization code
...
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The GIC architecture specification defines a set of registers for
redistributors and ITSes that control the sharebility and cacheability
attributes of redistributors/ITSes initiator ports on the interconnect
(GICR_[V]PROPBASER, GICR_[V]PENDBASER, GITS_BASER<n>).
Architecturally the GIC provides a means to drive shareability and
cacheability attributes signals but it is not mandatory for designs to
wire up the corresponding interconnect signals that control the
cacheability/shareability of transactions.
Redistributors and ITSes interconnect ports can be connected to
non-coherent interconnects that are not able to manage the
shareability/cacheability attributes; this implicitly makes the
redistributors and ITSes non-coherent observers.
To enable non-coherent GIC designs on ACPI based systems, parse the MADT
GICC/GICR/ITS subtables non-coherent flags to determine whether the
respective components are non-coherent observers and force the
shareability attributes to be programmed into the redistributors and
ITSes registers.
An ACPI global function (acpi_get_madt_revision()) is added to retrieve
the MADT revision, in that it is essential to check the MADT revision
before checking for flags that were added with MADT revision 7 so that
if the kernel is booted with an ACPI MADT table with revision < 7 it
skips parsing the newly added flags (that should be zeroed reserved
values for MADT versions < 7 but they could turn out to be buggy and
should be ignored).
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20240606094238.757649-2-lpieralisi@kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
- In the series "mm: Avoid possible overflows in dirty throttling" Jan
Kara addresses a couple of issues in the writeback throttling code.
These fixes are also targetted at -stable kernels.
- Ryusuke Konishi's series "nilfs2: fix potential issues related to
reserved inodes" does that. This should actually be in the
mm-nonmm-stable tree, along with the many other nilfs2 patches. My
bad.
- More folio conversions from Kefeng Wang in the series "mm: convert to
folio_alloc_mpol()"
- Kemeng Shi has sent some cleanups to the writeback code in the series
"Add helper functions to remove repeated code and improve readability
of cgroup writeback"
- Kairui Song has made the swap code a little smaller and a little
faster in the series "mm/swap: clean up and optimize swap cache
index".
- In the series "mm/memory: cleanly support zeropage in
vm_insert_page*(), vm_map_pages*() and vmf_insert_mixed()" David
Hildenbrand has reworked the rather sketchy handling of the use of
the zeropage in MAP_SHARED mappings. I don't see any runtime effects
here - more a cleanup/understandability/maintainablity thing.
- Dev Jain has improved selftests/mm/va_high_addr_switch.c's handling
of higher addresses, for aarch64. The (poorly named) series is
"Restructure va_high_addr_switch".
- The core TLB handling code gets some cleanups and possible slight
optimizations in Bang Li's series "Add update_mmu_tlb_range() to
simplify code".
- Jane Chu has improved the handling of our
fake-an-unrecoverable-memory-error testing feature MADV_HWPOISON in
the series "Enhance soft hwpoison handling and injection".
- Jeff Johnson has sent a billion patches everywhere to add
MODULE_DESCRIPTION() to everything. Some landed in this pull.
- In the series "mm: cleanup MIGRATE_SYNC_NO_COPY mode", Kefeng Wang
has simplified migration's use of hardware-offload memory copying.
- Yosry Ahmed performs more folio API conversions in his series "mm:
zswap: trivial folio conversions".
- In the series "large folios swap-in: handle refault cases first",
Chuanhua Han inches us forward in the handling of large pages in the
swap code. This is a cleanup and optimization, working toward the end
objective of full support of large folio swapin/out.
- In the series "mm,swap: cleanup VMA based swap readahead window
calculation", Huang Ying has contributed some cleanups and a possible
fixlet to his VMA based swap readahead code.
- In the series "add mTHP support for anonymous shmem" Baolin Wang has
taught anonymous shmem mappings to use multisize THP. By default this
is a no-op - users must opt in vis sysfs controls. Dramatic
improvements in pagefault latency are realized.
- David Hildenbrand has some cleanups to our remaining use of
page_mapcount() in the series "fs/proc: move page_mapcount() to
fs/proc/internal.h".
- David also has some highmem accounting cleanups in the series
"mm/highmem: don't track highmem pages manually".
- Build-time fixes and cleanups from John Hubbard in the series
"cleanups, fixes, and progress towards avoiding "make headers"".
- Cleanups and consolidation of the core pagemap handling from Barry
Song in the series "mm: introduce pmd|pte_needs_soft_dirty_wp helpers
and utilize them".
- Lance Yang's series "Reclaim lazyfree THP without splitting" has
reduced the latency of the reclaim of pmd-mapped THPs under fairly
common circumstances. A 10x speedup is seen in a microbenchmark.
It does this by punting to aother CPU but I guess that's a win unless
all CPUs are pegged.
- hugetlb_cgroup cleanups from Xiu Jianfeng in the series
"mm/hugetlb_cgroup: rework on cftypes".
- Miaohe Lin's series "Some cleanups for memory-failure" does just that
thing.
- Someone other than SeongJae has developed a DAMON feature in Honggyu
Kim's series "DAMON based tiered memory management for CXL memory".
This adds DAMON features which may be used to help determine the
efficiency of our placement of CXL/PCIe attached DRAM.
- DAMON user API centralization and simplificatio work in SeongJae
Park's series "mm/damon: introduce DAMON parameters online commit
function".
- In the series "mm: page_type, zsmalloc and page_mapcount_reset()"
David Hildenbrand does some maintenance work on zsmalloc - partially
modernizing its use of pageframe fields.
- Kefeng Wang provides more folio conversions in the series "mm: remove
page_maybe_dma_pinned() and page_mkclean()".
- More cleanup from David Hildenbrand, this time in the series
"mm/memory_hotplug: use PageOffline() instead of PageReserved() for
!ZONE_DEVICE". It "enlightens memory hotplug more about PageOffline()
pages" and permits the removal of some virtio-mem hacks.
- Barry Song's series "mm: clarify folio_add_new_anon_rmap() and
__folio_add_anon_rmap()" is a cleanup to the anon folio handling in
preparation for mTHP (multisize THP) swapin.
- Kefeng Wang's series "mm: improve clear and copy user folio"
implements more folio conversions, this time in the area of large
folio userspace copying.
- The series "Docs/mm/damon/maintaier-profile: document a mailing tool
and community meetup series" tells people how to get better involved
with other DAMON developers. From SeongJae Park.
- A large series ("kmsan: Enable on s390") from Ilya Leoshkevich does
that.
- David Hildenbrand sends along more cleanups, this time against the
migration code. The series is "mm/migrate: move NUMA hinting fault
folio isolation + checks under PTL".
- Jan Kara has found quite a lot of strangenesses and minor errors in
the readahead code. He addresses this in the series "mm: Fix various
readahead quirks".
- SeongJae Park's series "selftests/damon: test DAMOS tried regions and
{min,max}_nr_regions" adds features and addresses errors in DAMON's
self testing code.
- Gavin Shan has found a userspace-triggerable WARN in the pagecache
code. The series "mm/filemap: Limit page cache size to that supported
by xarray" addresses this. The series is marked cc:stable.
- Chengming Zhou's series "mm/ksm: cmp_and_merge_page() optimizations
and cleanup" cleans up and slightly optimizes KSM.
- Roman Gushchin has separated the memcg-v1 and memcg-v2 code - lots of
code motion. The series (which also makes the memcg-v1 code
Kconfigurable) are "mm: memcg: separate legacy cgroup v1 code and put
under config option" and "mm: memcg: put cgroup v1-specific memcg
data under CONFIG_MEMCG_V1"
- Dan Schatzberg's series "Add swappiness argument to memory.reclaim"
adds an additional feature to this cgroup-v2 control file.
- The series "Userspace controls soft-offline pages" from Jiaqi Yan
permits userspace to stop the kernel's automatic treatment of
excessive correctable memory errors. In order to permit userspace to
monitor and handle this situation.
- Kefeng Wang's series "mm: migrate: support poison recover from
migrate folio" teaches the kernel to appropriately handle migration
from poisoned source folios rather than simply panicing.
- SeongJae Park's series "Docs/damon: minor fixups and improvements"
does those things.
- In the series "mm/zsmalloc: change back to per-size_class lock"
Chengming Zhou improves zsmalloc's scalability and memory
utilization.
- Vivek Kasireddy's series "mm/gup: Introduce memfd_pin_folios() for
pinning memfd folios" makes the GUP code use FOLL_PIN rather than
bare refcount increments. So these paes can first be moved aside if
they reside in the movable zone or a CMA block.
- Andrii Nakryiko has added a binary ioctl()-based API to
/proc/pid/maps for much faster reading of vma information. The series
is "query VMAs from /proc/<pid>/maps".
- In the series "mm: introduce per-order mTHP split counters" Lance
Yang improves the kernel's presentation of developer information
related to multisize THP splitting.
- Michael Ellerman has developed the series "Reimplement huge pages
without hugepd on powerpc (8xx, e500, book3s/64)". This permits
userspace to use all available huge page sizes.
- In the series "revert unconditional slab and page allocator fault
injection calls" Vlastimil Babka removes a performance-affecting and
not very useful feature from slab fault injection.
* tag 'mm-stable-2024-07-21-14-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (411 commits)
mm/mglru: fix ineffective protection calculation
mm/zswap: fix a white space issue
mm/hugetlb: fix kernel NULL pointer dereference when migrating hugetlb folio
mm/hugetlb: fix possible recursive locking detected warning
mm/gup: clear the LRU flag of a page before adding to LRU batch
mm/numa_balancing: teach mpol_to_str about the balancing mode
mm: memcg1: convert charge move flags to unsigned long long
alloc_tag: fix page_ext_get/page_ext_put sequence during page splitting
lib: reuse page_ext_data() to obtain codetag_ref
lib: add missing newline character in the warning message
mm/mglru: fix overshooting shrinker memory
mm/mglru: fix div-by-zero in vmpressure_calc_level()
mm/kmemleak: replace strncpy() with strscpy()
mm, page_alloc: put should_fail_alloc_page() back behing CONFIG_FAIL_PAGE_ALLOC
mm, slab: put should_failslab() back behind CONFIG_SHOULD_FAILSLAB
mm: ignore data-race in __swap_writepage
hugetlbfs: ensure generic_hugetlb_get_unmapped_area() returns higher address than mmap_min_addr
mm: shmem: rename mTHP shmem counters
mm: swap_state: use folio_alloc_mpol() in __read_swap_cache_async()
mm/migrate: putback split folios when numa hint migration fails
...
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The current memory tier initialization process is distributed across two
different functions, memory_tier_init() and memory_tier_late_init(). This
design is hard to maintain. Thus, this patch is proposed to reduce the
possible code paths by consolidating different initialization patches into
one.
The earlier discussion with Jonathan and Ying is listed here:
https://lore.kernel.org/lkml/20240405150244.00004b49@Huawei.com/
If we want to put these two initializations together, they must be placed
together in the later function. Because only at that time, the HMAT
information will be ready, adist between nodes can be calculated, and
memory tiering can be established based on the adist. So we position the
initialization at memory_tier_init() to the memory_tier_late_init() call.
Moreover, it's natural to keep memory_tier initialization in drivers at
device_initcall() level.
If we simply move the set_node_memory_tier() from memory_tier_init() to
late_initcall(), it will result in HMAT not registering the
mt_adistance_algorithm callback function, because set_node_memory_tier()
is not performed during the memory tiering initialization phase, leading
to a lack of correct default_dram information.
Therefore, we introduced a nodemask to pass the information of the default
DRAM nodes. The reason for not choosing to reuse default_dram_type->nodes
is that it is not clean enough. So in the end, we use a __initdata
variable, which is a variable that is released once initialization is
complete, including both CPU and memory nodes for HMAT to iterate through.
Link: https://lkml.kernel.org/r/20240704072646.437579-1-horen.chuang@linux.dev
Signed-off-by: Ho-Ren (Jack) Chuang <horenchuang@bytedance.com>
Suggested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Gregory Price <gourry.memverge@gmail.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Ravi Jonnalagadda <ravis.opensrc@micron.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Ira Weiny:
- One small cleanup to use sizeof(*pointer)
- Add MODULE_DESCRIPTIONS() to eliminate make W=1 warnings
* tag 'libnvdimm-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
testing: nvdimm: Add MODULE_DESCRIPTION() macros
testing: nvdimm: iomap: add MODULE_DESCRIPTION()
dax: add missing MODULE_DESCRIPTION() macros
nvdimm: add missing MODULE_DESCRIPTION() macros
ACPI: NFIT: add missing MODULE_DESCRIPTION() macro
nvdimm/btt: use sizeof(*pointer) instead of sizeof(type)
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make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/acpi/nfit/nfit.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
[iweiny: edit description]
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://patch.msgid.link/r/20240603-md-drivers-acpi-nfit-v1-1-11a5614a8dbe@quicinc.com
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Define PCIE_RESET_CONFIG_DEVICE_WAIT_MS for the generic 100ms
required after reset before config access (Kevin Xie)
- Define PCIE_T_RRS_READY_MS for the generic 100ms required after
reset before config access (probably should be unified with
PCIE_RESET_CONFIG_DEVICE_WAIT_MS) (Damien Le Moal)
Resource management:
- Rename find_resource() to find_resource_space() to be more
descriptive (Ilpo Järvinen)
- Export find_resource_space() for use by PCI core, which needs to
learn whether there is available space for a bridge window (Ilpo
Järvinen)
- Prevent double counting of resources so window size doesn't grow on
each remove/rescan cycle (Ilpo Järvinen)
- Relax bridge window sizing algorithm so a device doesn't break
simply because it was removed and rescanned (Ilpo Järvinen)
- Evaluate the ACPI PRESERVE_BOOT_CONFIG _DSM in
pci_register_host_bridge() (not acpi_pci_root_create()) so we can
unify it with similar DT functionality (Vidya Sagar)
- Extend use of DT "linux,pci-probe-only" property so it works
per-host bridge as well as globally (Vidya Sagar)
- Unify support for ACPI PRESERVE_BOOT_CONFIG _DSM and the DT
"linux,pci-probe-only" property in pci_preserve_config() (Vidya
Sagar)
Driver binding:
- Add devres infrastructure for managed request and map of partial
BAR resources (Philipp Stanner)
- Deprecate pcim_iomap_table() because uses like
"pcim_iomap_table()[0]" have no good way to return errors (Philipp
Stanner)
- Add an always-managed pcim_request_region() for use instead of
pci_request_region() and similar, which are sometimes managed
depending on whether pcim_enable_device() has been called
previously (Philipp Stanner)
- Reimplement pcim_set_mwi() so it doesn't need to keep store MWI
state (Philipp Stanner)
- Add pcim_intx() for use instead of pci_intx(), which is sometimes
managed depending on whether pcim_enable_device() has been called
previously (Philipp Stanner)
- Add managed pcim_iomap_range() to allow mapping of a partial BAR
(Philipp Stanner)
- Fix a devres mapping leak in drm/vboxvideo (Philipp Stanner)
Error handling:
- Add missing bridge locking in device reset path and add a warning
for other possible lock issues (Dan Williams)
- Fix use-after-free on concurrent DPC and hot-removal (Lukas Wunner)
Power management:
- Disable AER and DPC during suspend to avoid spurious wakeups if
they share an interrupt with PME (Kai-Heng Feng)
PCIe native device hotplug:
- Detect if a device was removed or replaced during system sleep so
we don't assume a new device is the one that used to be there
(Lukas Wunner)
Virtualization:
- Add an ACS quirk for Broadcom BCM5760X multi-function NIC; it
prevents transactions between functions even though it doesn't
advertise ACS, so the functions can be attached individually via
VFIO (Ajit Khaparde)
Peer-to-peer DMA:
- Add a "pci=config_acs=" kernel command-line parameter to relax
default ACS settings to enable additional peer-to-peer
configurations. Requires expert knowledge of topology and ACS
operation (Vidya Sagar)
Endpoint framework:
- Remove unused struct pci_epf_group.type_group (Christophe JAILLET)
- Fix error handling in vpci_scan_bus() and epf_ntb_epc_cleanup()
(Dan Carpenter)
- Make struct pci_epc_class constant (Greg Kroah-Hartman)
- Remove unused pci_endpoint_test_bar_{readl,writel} functions
(Jiapeng Chong)
- Rename "BME" to "Bus Master Enable" (Manivannan Sadhasivam)
- Rename struct pci_epc_event_ops.core_init() callback to epc_init()
(Manivannan Sadhasivam)
- Move DMA init to MHI .epc_init() callback for uniformity
(Manivannan Sadhasivam)
- Cancel EPF test delayed work when link goes down (Manivannan
Sadhasivam)
- Add struct pci_epc_event_ops.epc_deinit() callback for cleanup
needed on fundamental reset (Manivannan Sadhasivam)
- Add 64KB alignment to endpoint test to support Rockchip rk3588
(Niklas Cassel)
- Optimize endpoint test by using memcpy() instead of readl() (Niklas
Cassel)
Device tree bindings:
- Add generic "ats-supported" property to advertise that a PCIe Root
Complex supports ATS (Jean-Philippe Brucker)
Amazon Annapurna Labs PCIe controller driver:
- Validate IORESOURCE_BUS presence to avoid NULL pointer dereference
(Aleksandr Mishin)
Axis ARTPEC-6 PCIe controller driver:
- Rename .cpu_addr_fixup() parameter to reflect that it is a PCI
address, not a CPU address (Niklas Cassel)
Freescale i.MX6 PCIe controller driver:
- Convert to agnostic GPIO API (Andy Shevchenko)
Freescale Layerscape PCIe controller driver:
- Make struct mobiveil_rp_ops constant (Christophe JAILLET)
- Use new generic dw_pcie_ep_linkdown() to handle link-down events
(Manivannan Sadhasivam)
HiSilicon Kirin PCIe controller driver:
- Convert to agnostic GPIO API (Andy Shevchenko)
- Use _scoped() iterator for OF children to ensure refcounts are
decremented at loop exit (Javier Carrasco)
Intel VMD host bridge driver:
- Create sysfs "domain" symlink before downstream devices are exposed
to userspace by pci_bus_add_devices() (Jiwei Sun)
Loongson PCIe controller driver:
- Enable MSI when LS7A is used with new CPUs that have integrated
PCIe Root Complex, e.g., Loongson-3C6000, so downstream devices can
use MSI (Huacai Chen)
Microchip AXI PolarFlare PCIe controller driver:
- Move pcie-microchip-host.c to a new PLDA directory (Minda Chen)
- Factor PLDA generic items out to a common
plda,xpressrich3-axi-common.yaml binding (Minda Chen)
- Factor PLDA generic data structures and code out to shared
pcie-plda.h, pcie-plda-host.c (Minda Chen)
- Add PLDA generic interrupt handling with a .request_event_irq()
callback for vendor-specific events (Minda Chen)
- Add PLDA generic host init/deinit and map bus functions for use by
vendor-specific drivers (Minda Chen)
- Rework to use PLDA core (Minda Chen)
Microsoft Hyper-V host bridge driver:
- Return zero, not garbage, when reading PCI_INTERRUPT_PIN (Wei Liu)
NVIDIA Tegra194 PCIe controller driver:
- Remove unused struct tegra_pcie_soc (Dr. David Alan Gilbert)
- Set 64KB inbound ATU alignment restriction (Jon Hunter)
Qualcomm PCIe controller driver:
- Make the MHI reg region mandatory for X1E80100, since all PCIe
controllers have it (Abel Vesa)
- Prevent use of uninitialized data and possible error pointer
dereference (Dan Carpenter)
- Return error, not success, if dev_pm_opp_find_freq_floor() fails
(Dan Carpenter)
- Add Operating Performance Points (OPP) support to scale performance
state based on aggregate link bandwidth to improve SoC power
efficiency (Krishna chaitanya chundru)
- Vote for the CPU-PCIe ICC (interconnect) path to ensure it stays
active even if other drivers don't vote for it (Krishna chaitanya
chundru)
- Use devm_clk_bulk_get_all() to get all the clocks from DT to avoid
writing out all the clock names (Manivannan Sadhasivam)
- Add DT binding and driver support for the SA8775P SoC (Mrinmay
Sarkar)
- Add HDMA support for the SA8775P SoC (Mrinmay Sarkar)
- Override the SA8775P NO_SNOOP default to avoid possible memory
corruption (Mrinmay Sarkar)
- Make sure resources are disabled during PERST# assertion, even if
the link is already disabled (Manivannan Sadhasivam)
- Use new generic dw_pcie_ep_linkdown() to handle link-down events
(Manivannan Sadhasivam)
- Add DT and endpoint driver support for the SA8775P SoC (Mrinmay
Sarkar)
- Add Hyper DMA (HDMA) support for the SA8775P SoC and enable it in
the EPF MHI driver (Mrinmay Sarkar)
- Set PCIE_PARF_NO_SNOOP_OVERIDE to override the default NO_SNOOP
attribute on the SA8775P SoC (both Root Complex and Endpoint mode)
to avoid possible memory corruption (Mrinmay Sarkar)
Renesas R-Car PCIe controller driver:
- Demote WARN() to dev_warn_ratelimited() in rcar_pcie_wakeup() to
avoid unnecessary backtrace (Marek Vasut)
- Add DT and driver support for R-Car V4H (R8A779G0) host and
endpoint. This requires separate proprietary firmware (Yoshihiro
Shimoda)
Rockchip PCIe controller driver:
- Assert PERST# for 100ms after power is stable (Damien Le Moal)
- Wait PCIE_T_RRS_READY_MS (100ms) after reset before starting
configuration (Damien Le Moal)
- Use GPIOD_OUT_LOW flag while requesting ep_gpio to fix a firmware
crash on Qcom-based modems with Rockpro64 board (Manivannan
Sadhasivam)
Rockchip DesignWare PCIe controller driver:
- Factor common parts of rockchip-dw-pcie DT binding to be shared by
Root Complex and Endpoint mode (Niklas Cassel)
- Add missing INTx signals to common DT binding (Niklas Cassel)
- Add eDMA items to DT binding for Endpoint controller (Niklas
Cassel)
- Fix initial dw-rockchip PERST# GPIO value to prevent unnecessary
short assert/deassert that causes issues with some WLAN controllers
(Niklas Cassel)
- Refactor dw-rockchip and add support for Endpoint mode (Niklas
Cassel)
- Call pci_epc_init_notify() and drop dw_pcie_ep_init_notify()
wrapper (Niklas Cassel)
- Add error messages in .probe() error paths to improve user
experience (Uwe Kleine-König)
Samsung Exynos PCIe controller driver:
- Use bulk clock APIs to simplify clock setup (Shradha Todi)
StarFive PCIe controller driver:
- Add DT binding and driver support for the StarFive JH7110
PLDA-based PCIe controller (Minda Chen)
Synopsys DesignWare PCIe controller driver:
- Add generic support for sending PME_Turn_Off when system suspends
(Frank Li)
- Fix incorrect interpretation of iATU slot 0 after PERST#
assert/deassert (Frank Li)
- Use msleep() instead of usleep_range() while waiting for link
(Konrad Dybcio)
- Refactor dw_pcie_edma_find_chip() to enable adding support for
Hyper DMA (HDMA) (Manivannan Sadhasivam)
- Enable drivers to supply the eDMA channel count since some can't
auto detect this (Manivannan Sadhasivam)
- Call pci_epc_init_notify() and drop dw_pcie_ep_init_notify()
wrapper (Manivannan Sadhasivam)
- Pass the eDMA mapping format directly from drivers instead of
maintaining a capability for it (Manivannan Sadhasivam)
- Add generic dw_pcie_ep_linkdown() to notify EPF drivers about
link-down events and restore non-sticky DWC registers lost on link
down (Manivannan Sadhasivam)
- Add vendor-specific "apb" reg name, interrupt names, INTx names to
generic binding (Niklas Cassel)
- Enforce DWC restriction that 64-bit BARs must start with an
even-numbered BAR (Niklas Cassel)
- Consolidate args of dw_pcie_prog_outbound_atu() into a structure
(Yoshihiro Shimoda)
- Add support for endpoints to send Message TLPs, e.g., for INTx
emulation (Yoshihiro Shimoda)
TI DRA7xx PCIe controller driver:
- Rename .cpu_addr_fixup() parameter to reflect that it is a PCI
address, not a CPU address (Niklas Cassel)
TI Keystone PCIe controller driver:
- Validate IORESOURCE_BUS presence to avoid NULL pointer dereference
(Aleksandr Mishin)
- Work around AM65x/DRA80xM Errata #i2037 that corrupts TLPs and
causes processor hangs by limiting Max_Read_Request_Size (MRRS) and
Max_Payload_Size (MPS) (Kishon Vijay Abraham I)
- Leave BAR 0 disabled for AM654x to fix a regression caused by
6ab15b5e7057 ("PCI: dwc: keystone: Convert .scan_bus() callback to
use add_bus"), which caused a 45-second boot delay (Siddharth
Vadapalli)
Xilinx Versal CPM PCIe controller driver:
- Fix overlapping bridge registers and 32-bit BAR addresses in DT
binding (Thippeswamy Havalige)
MicroSemi Switchtec management driver:
- Make struct switchtec_class constant (Greg Kroah-Hartman)
Miscellaneous:
- Remove unused struct acpi_handle_node (Dr. David Alan Gilbert)
- Add missing MODULE_DESCRIPTION() macros (Jeff Johnson)"
* tag 'pci-v6.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (154 commits)
PCI: loongson: Enable MSI in LS7A Root Complex
PCI: Extend ACS configurability
PCI: Add missing bridge lock to pci_bus_lock()
drm/vboxvideo: fix mapping leaks
PCI: Add managed pcim_iomap_range()
PCI: Remove legacy pcim_release()
PCI: Add managed pcim_intx()
PCI: vmd: Create domain symlink before pci_bus_add_devices()
PCI: qcom: Prevent use of uninitialized data in qcom_pcie_suspend_noirq()
PCI: qcom: Prevent potential error pointer dereference
PCI: qcom: Fix missing error code in qcom_pcie_probe()
PCI: Give pcim_set_mwi() its own devres cleanup callback
PCI: Move struct pci_devres.pinned bit to struct pci_dev
PCI: Remove struct pci_devres.enabled status bit
PCI: Document hybrid devres hazards
PCI: Add managed pcim_request_region()
PCI: Deprecate pcim_iomap_table(), pcim_iomap_regions_request_all()
PCI: Add managed partial-BAR request and map infrastructure
PCI: Add devres helpers for iomap table
PCI: Add and use devres helper for bit masks
...
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- Remove unused struct 'acpi_handle_node' (Dr. David Alan Gilbert)
- Use array notation for portdrv .id_table consistently (Masahiro Yamada)
- Switch to new Intel CPU model defines (Tony Luck)
- Add missing MODULE_DESCRIPTION() macros (Jeff Johnson)
* pci/misc:
PCI: controller: Add missing MODULE_DESCRIPTION() macros
PCI: Add missing MODULE_DESCRIPTION() macros
PCI/PM: Switch to new Intel CPU model defines
PCI: Use array for .id_table consistently
ACPI: PCI: Remove unused struct 'acpi_handle_node'
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'acpi_handle_node' is unused since 63f534b8bad9 ("ACPI: PCI: Rework
acpi_get_pci_dev()"). Remove it.
Link: https://lore.kernel.org/r/20240509000858.204114-1-linux@treblig.org
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Move the PRESERVE_BOOT_CONFIG _DSM evaluation from acpi_pci_root_create()
to pci_register_host_bridge().
This will help unify the ACPI _DSM path and the DT-based
"linux,pci-probe-only" paths.
This should be safe because it happens earlier than it used to:
acpi_pci_root_create
pci_create_root_bus
pci_register_host_bridge
+ bridge->preserve_config = pci_preserve_config(bridge)
pci_acpi_preserve_config
+ acpi_evaluate_dsm_typed(DSM_PCI_PRESERVE_BOOT_CONFIG)
- acpi_evaluate_dsm_typed(DSM_PCI_PRESERVE_BOOT_CONFIG)
No functional change intended.
Link: https://lore.kernel.org/r/20240508174138.3630283-2-vidyas@nvidia.com
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"Lots of changes in this cycle, but mostly for cleanups and
refactoring.
Significant amount of changes are about DT schema conversions for ASoC
at this time while we see other usual suspects, too.
Some highlights below:
Core:
- Re-introduction of PCM sync ID support API
- MIDI2 time-base extension in ALSA sequencer API
ASoC:
- Syncing of features between simple-audio-card and the two
audio-graph cards
- Support for specifying the order of operations for components
within cards to allow quirking for unusual systems
- Lots of DT schema conversions
- Continued SOF/Intel updates for topology, SoundWire, IPC3/4
- New support for Asahi Kasei AK4619, Cirrus Logic CS530x, Everest
Semiconductors ES8311, NXP i.MX95 and LPC32xx, Qualcomm LPASS v2.5
and WCD937x, Realtek RT1318 and RT1320 and Texas Instruments
PCM5242
HD-audio:
- More quirks, Intel PantherLake support, senarytech codec support
- Refactoring of Cirrus codec component-binding
Others:
- ALSA control kselftest improvements, and fixes for input value
checks in various drivers"
* tag 'sound-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (349 commits)
kselftest/alsa: Log the PCM ID in pcm-test
kselftest/alsa: Use card name rather than number in test names
ALSA: hda/realtek: Fix the speaker output on Samsung Galaxy Book Pro 360
ALSA: hda/tas2781: Add new quirk for Lenovo Hera2 Laptop
ALSA: seq: ump: Skip useless ports for static blocks
ALSA: pcm_dmaengine: Don't synchronize DMA channel when DMA is paused
ALSA: usb: Use BIT() for bit values
ALSA: usb: Fix UBSAN warning in parse_audio_unit()
ALSA: hda/realtek: Enable headset mic on Positivo SU C1400
ASoC: tas2781: Add new Kontrol to set tas2563 digital Volume
ASoC: codecs: wcd937x: Remove separate handling for vdd-buck supply
ASoC: codecs: wcd937x: Remove the string compare in MIC BIAS widget settings
ASoC: codecs: wcd937x-sdw: Fix Unbalanced pm_runtime_enable
ASoC: dt-bindings: cirrus,cs42xx8: Convert to dtschema
ASoC: cs530x: Remove bclk from private structure
ASoC: cs530x: Calculate proper bclk rate using TDM
ASoC: dt-bindings: cirrus,cs4270: Convert to dtschema
firmware: cs_dsp: Rename fw_ver to wmfw_ver
firmware: cs_dsp: Clarify wmfw format version log message
firmware: cs_dsp: Make wmfw and bin filename arguments const char *
...
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Merge series from Srinivas Kandagatla <srinivas.kandagatla@linaro.org>:
This patchset adds support to reading codec version and also adds
support for v2.5 codec version in rx macro.
LPASS 2.5 and up versions have changes in some of the rx blocks which
are required to get headset functional correctly.
Tested this on SM8450, X13s and x1e80100 crd.
This changes also fixes issue with sm8450, sm8550, sm8660 and x1e80100.
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The ACPI _ADR is a 64-bit value. We changed the definitions in commit
ca6f998cf9a2 ("ACPI: bus: change _ADR representation to 64 bits") but
some helpers still assume the value is a 32-bit value.
This patch adds a new helper to extract the full 64-bits. The existing
32-bit helper is kept for backwards-compatibility and cases where the
_ADR is known to fit in a 32-bit value.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240528192936.16180-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu updates from Will Deacon:
"Core:
- Support for the "ats-supported" device-tree property
- Removal of the 'ops' field from 'struct iommu_fwspec'
- Introduction of iommu_paging_domain_alloc() and partial conversion
of existing users
- Introduce 'struct iommu_attach_handle' and provide corresponding
IOMMU interfaces which will be used by the IOMMUFD subsystem
- Remove stale documentation
- Add missing MODULE_DESCRIPTION() macro
- Misc cleanups
Allwinner Sun50i:
- Ensure bypass mode is disabled on H616 SoCs
- Ensure page-tables are allocated below 4GiB for the 32-bit
page-table walker
- Add new device-tree compatible strings
AMD Vi:
- Use try_cmpxchg64() instead of cmpxchg64() when updating pte
Arm SMMUv2:
- Print much more useful information on context faults
- Fix Qualcomm TBU probing when CONFIG_ARM_SMMU_QCOM_DEBUG=n
- Add new Qualcomm device-tree bindings
Arm SMMUv3:
- Support for hardware update of access/dirty bits and reporting via
IOMMUFD
- More driver rework from Jason, this time updating the PASID/SVA
support to prepare for full IOMMUFD support
- Add missing MODULE_DESCRIPTION() macro
- Minor fixes and cleanups
NVIDIA Tegra:
- Fix for benign fwspec initialisation issue exposed by rework on the
core branch
Intel VT-d:
- Use try_cmpxchg64() instead of cmpxchg64() when updating pte
- Use READ_ONCE() to read volatile descriptor status
- Remove support for handling Execute-Requested requests
- Avoid calling iommu_domain_alloc()
- Minor fixes and refactoring
Qualcomm MSM:
- Updates to the device-tree bindings"
* tag 'iommu-updates-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (72 commits)
iommu/tegra-smmu: Pass correct fwnode to iommu_fwspec_init()
iommu/vt-d: Fix identity map bounds in si_domain_init()
iommu: Move IOMMU_DIRTY_NO_CLEAR define
dt-bindings: iommu: Convert msm,iommu-v0 to yaml
iommu/vt-d: Fix aligned pages in calculate_psi_aligned_address()
iommu/vt-d: Limit max address mask to MAX_AGAW_PFN_WIDTH
docs: iommu: Remove outdated Documentation/userspace-api/iommu.rst
arm64: dts: fvp: Enable PCIe ATS for Base RevC FVP
iommu/of: Support ats-supported device-tree property
dt-bindings: PCI: generic: Add ats-supported property
iommu: Remove iommu_fwspec ops
OF: Simplify of_iommu_configure()
ACPI: Retire acpi_iommu_fwspec_ops()
iommu: Resolve fwspec ops automatically
iommu/mediatek-v1: Clean up redundant fwspec checks
RDMA/usnic: Use iommu_paging_domain_alloc()
wifi: ath11k: Use iommu_paging_domain_alloc()
wifi: ath10k: Use iommu_paging_domain_alloc()
drm/msm: Use iommu_paging_domain_alloc()
vhost-vdpa: Use iommu_paging_domain_alloc()
...
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Now that iommu_fwspec_init() can signal for probe deferral directly,
acpi_iommu_fwspec_ops() is unneeded and can be cleaned up.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/011e39e275aba3ad451c5a1965ca8ddf20ed36c2.1719919669.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
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There's no real need for callers to resolve ops from a fwnode in order
to then pass both to iommu_fwspec_init() - it's simpler and more sensible
for that to resolve the ops itself. This in turn means we can centralise
the notion of checking for a present driver, and enforce that fwspecs
aren't allocated unless and until we know they will be usable.
Also use this opportunity to modernise with some "new" helpers that
arrived shortly after this code was first written; the generic
fwnode_handle_get() clears up that ugly get/put mismatch, while
of_fwnode_handle() can now abstract those open-coded dereferences.
Tested-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/0e2727adeb8cd73274425322f2f793561bdc927e.1719919669.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"The only kind of new feature added by these is the hwmon interface
support in the ACPI fan driver. Apart from that, they mostly address
issues and clean up code.
Specifics:
- Switch the ACPI x86 utility code and the ACPI LPSS driver to new
Intel CPU model defines (Tony Luck)
- Add hwmon interface support to the ACPI fan driver (Armin Wolf)
- Add sysfs entry for guaranteed performance to the ACPI CPPC library
and replace a ternary operator with umax() in it (Petr Tesařík,
Prabhakar Pujeri)
- Clean up the ACPI PMIC driver in multiple ways (Andy Shevchenko,
Christophe JAILLET)
- Add support for charge limiting state to the ACPI battery driver
and update _OSC to indicate support for it (Armin Wolf)
- Clean up the sysfs interface in the ACPI battery, SBS (smart
battery subsystem) and AC drivers (Thomas Weißschuh)
- Coordinate header includes in the ACPI NUMA code and make it use
ACCESS_COORDINATE_CPU when appropriate (Huang Ying, Thorsten Blum)
- Downgrade Intel _OSC and _PDC messages in the ACPI processor driver
to debug to reduce log noise (Mario Limonciello)
- Still evaluate _OST when _PUR evaluation fails in the ACPI PAD
(processor aggregator) driver as per the spec (Armin Wolf)
- Skip ACPI IRQ override on Asus Vivobook Pro N6506MJ and N6506MU
platforms (Tamim Khan)
- Force native mode on some T2 macbooks in the ACPI backlight driver
and replace strcpy() with strscpy() in it (Orlando Chamberlain,
Muhammad Qasim Abdul Majeed)
- Add missing MODULE_DESCRIPTION() macros in two places (Jeff
Johnson)"
* tag 'acpi-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (26 commits)
ACPI: resource: Skip IRQ override on Asus Vivobook Pro N6506MJ
ACPI: video: force native for some T2 macbooks
ACPI: video: Use strscpy() instead of strcpy()
ACPI: CPPC: Replace ternary operator with umax()
ACPI: resource: Skip IRQ override on Asus Vivobook Pro N6506MU
ACPI: PMIC: Constify struct pmic_table
ACPI: bus: Indicate support for battery charge limiting thru _OSC
ACPI: battery: Add support for charge limiting state
ACPI: processor: Downgrade Intel _OSC and _PDC messages to debug
ACPI: SBS: manage alarm sysfs attribute through psy core
ACPI: battery: create alarm sysfs attribute atomically
ACPI: battery: use sysfs_emit over sprintf
ACPI: battery: constify powersupply properties
ACPI: SBS: constify powersupply properties
ACPI: AC: constify powersupply properties
ACPI: PMIC: Replace open coded be16_to_cpu()
ACPI: PMIC: Convert pr_*() to dev_*() printing macros
ACPI: PMIC: Use sizeof() instead of hard coded value
ACPI: NUMA: Consolidate header includes
ACPI: CPPC: add sysfs entry for guaranteed performance
...
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Merge a miscellaneous ACPI change for 6.11-rc1:
- Add missing MODULE_DESCRIPTION() macros in two places (Jeff Johnson).
* acpi-misc:
ACPI: add missing MODULE_DESCRIPTION() macros
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make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/acpi/acpi_tad.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/acpi/platform_profile.o
Add the missing invocations of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Merge changes in the ACPI processor and ACPI PAD drivers, ACPI
resources management quirks and ACPI backlight (video) driver
changes for 6.11-rc1:
- Downgrade Intel _OSC and _PDC messages in the ACPI processor driver
to debug to reduce log noise (Mario Limonciello).
- Still evaluate _OST when _PUR evaluation fails in the ACPI PAD
(processor aggregator) driver as per the spec (Armin Wolf).
- Skip ACPI IRQ override on Asus Vivobook Pro N6506MJ and N6506MU
platforms (Tamim Khan).
- Force native mode on some T2 macbooks in the ACPI backlight driver
and replace strcpy() with strscpy() in it (Orlando Chamberlain,
Muhammad Qasim Abdul Majeed).
* acpi-processor:
ACPI: processor: Downgrade Intel _OSC and _PDC messages to debug
* acpi-pad:
ACPI: acpi_pad: Still evaluate _OST when _PUR evaluation fails
* acpi-resource:
ACPI: resource: Skip IRQ override on Asus Vivobook Pro N6506MJ
ACPI: resource: Skip IRQ override on Asus Vivobook Pro N6506MU
* acpi-video:
ACPI: video: force native for some T2 macbooks
ACPI: video: Use strscpy() instead of strcpy()
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The intel backlight is needed for these, previously users had nothing in
/sys/class/backlight.
Signed-off-by: Orlando Chamberlain <orlandoch.dev@gmail.com>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patch.msgid.link/3DA0EAE3-9EB7-492B-96FC-988503BBDCCC@live.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Replace strcpy() with strscpy() in the ACPI backlight code.
strcpy() has been deprecated because it is generally unsafe, so help to
eliminate if from the kernel source.
Link: https://github.com/KSPP/linux/issues/88
Signed-off-by: Muhammad Qasim Abdul Majeed <qasim.majeed20@gmail.com>
Link: https://patch.msgid.link/20240703084124.11530-1-qasim.majeed20@gmail.com
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Similar to other Asus Vivobooks, the Asus Vivobook Pro N6506MJ has a DSDT table
that describes IRQ 1 as ActiveLow, whereas the kernel overrides it to Edge_High.
This discrepancy prevents the internal keyboard from functioning properly. This
patch resolves this issue by adding this laptop to the override table that prevents
the kernel from overriding this IRQ.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218929
Tested-by: Amber Connelly <amb3r.dev@gmail.com>
Signed-off-by: Tamim Khan <tamim@fusetak.com>
Link: https://patch.msgid.link/20240708000557.83539-1-tamim@fusetak.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Like various other Asus laptops, the Asus Vivobook Pro N6506MV has a
DSDT table that describes IRQ 1 as ActiveLow while the kernel is overriding
it to Edge_High. This prevents the internal keyboard from working. This patch
prevents this issue by adding this laptop to the override table that prevents
the kernel from overriding this IRQ
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218954
Tested-by: Lefteris <eleftherios.giapitzakis@gmail.com>
Signed-off-by: Tamim Khan <tamim@fusetak.com>
Link: https://patch.msgid.link/20240702125918.34683-1-tamim@fusetak.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The ACPI specification says that if no action was performed when
processing the _PUR object, _OST should still be evaluated, albeit
with a different status code.
Evaluate _OST even when evaluating _PUR fails, to signal the firmware
that no action was performed.
Compile-tested only.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 95272641338a ("ACPI: processor: Use _OSC to convey OSPM processor
support information") introduced messages related to determining processor
support from the firmware.
The UUID 4077A616-290C-47BE-9EBD-D87058713953 and _PDC methods are
only used on Intel platforms, but all X86 platforms emit the messages.
Attempting to evaluate them and showing messages on which are used is
unnecessary for most users. Downgrade the messages to debug instead.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20240618214225.50953-1-mario.limonciello@amd.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Merge ACPI PMIC driver changes, updates related to the ACPI battery and
SBS drivers and NUMA-related ACPI updates for 6.11-rc1:
- Clean up the ACPI PMIC driver in multiple ways (Andy
Shevchenko, Christophe JAILLET).
- Add support for charge limiting state to the ACPI battery driver
and update _OSC to indicate support for it (Armin Wolf).
- Clean up the sysfs interface in the ACPI battery, SBS (smart battery
subsystem) and AC drivers (Thomas Weißschuh).
- Coordinate header includes in the ACPI NUMA code and make it use
ACCESS_COORDINATE_CPU when appropriate (Huang Ying, Thorsten Blum).
* acpi-pmic:
ACPI: PMIC: Constify struct pmic_table
ACPI: PMIC: Replace open coded be16_to_cpu()
ACPI: PMIC: Convert pr_*() to dev_*() printing macros
ACPI: PMIC: Use sizeof() instead of hard coded value
* acpi-battery:
ACPI: bus: Indicate support for battery charge limiting thru _OSC
ACPI: battery: Add support for charge limiting state
ACPI: SBS: manage alarm sysfs attribute through psy core
ACPI: battery: create alarm sysfs attribute atomically
ACPI: battery: use sysfs_emit over sprintf
ACPI: battery: constify powersupply properties
ACPI: SBS: constify powersupply properties
ACPI: AC: constify powersupply properties
* acpi-numa:
ACPI: NUMA: Consolidate header includes
ACPI: HMAT: Use ACCESS_COORDINATE_CPU when appropriate
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To improve the readability of the code via replacing the magic number
"1" with ACCESS_COORDINATE_CPU when appropriate. No functionality
change.
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The ACPI battery driver can handle the "charge limiting" state
of the battery, so the platform can advertise this state.
Indicate this by setting bit 19 ("Battery Charge Limiting Support")
when evaluating _OSC.
Tested on a Lenovo Ideapad S145-14IWL.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20240620191410.3646-2-W_Armin@gmx.de
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The ACPI specification says that bit 3 inside the battery state
signals that the battery is in charge limiting state. In this state,
the platform limits the battery from reaching its full capacity, the
exact limit is platform-specific.
This might explain why a number of batteries reported a "Unknown"
battery state in the past when using platform-specific interfaces to
stop battery charging at a user defined level.
Unfortunately not all platforms set this bit in such cases, so
"non-charging" is still the default state when the battery is neither
charging, discharging or full.
Tested on a Lenovo Ideapad S145-14IWL.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20240620191410.3646-1-W_Armin@gmx.de
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Let the power supply core register the attribute.
This ensures that the attribute is created before the device is
announced to userspace, avoiding a race condition.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Let the power supply core register the attribute.
This ensures that the attribute is created before the device is
announced to userspace, avoid a race condition.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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sysfs_emit validates assumptions made by sysfs and is the correct
mechanism to format data for sysfs.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The arrays are never modified, make them const.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The arrays are never modified, make them const.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The array is never modified, make it const.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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'struct pmic_table' is not modified in these drivers.
Constifying this structure moves some data to a read-only section, so
increase overall security.
On a x86_64, with allmodconfig, as an example:
Before:
======
text data bss dec hex filename
3811 786 0 4597 11f5 drivers/acpi/pmic/intel_pmic_xpower.o
text data bss dec hex filename
4147 450 0 4597 11f5 drivers/acpi/pmic/intel_pmic_xpower.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/a6c9b1bcdf259adabbcaf91183d3f5ab87a98600.1719644292.git.christophe.jaillet@wanadoo.fr
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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It's easier to understand the nature of a data type when
it's written explicitly. With that, replace open coded
endianess conversion.
As a side effect it fixes the returned value of
intel_crc_pmic_update_aux() since ACPI PMIC core code
expects negative or zero and never uses positive one.
While at it, use macros from bits.h to reduce a room for mistake.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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