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The compatible strings for mt6795 clocks are also documented in other
schemas:
"mediatek,mt6795-apmixedsys" in clock/mediatek,apmixedsys.yaml
"mediatek,mt6795-topckgen" in clock/mediatek,topckgen.yaml
"mediatek,mt6795-pericfg" in clock/mediatek,pericfg.yaml
"mediatek,mt6795-infracfg" in clock/mediatek,infracfg.yaml
The only difference is #reset-cells is not allowed in some of these,
but that aligns with actual users in .dts files.
Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
Acked-by: Conor Dooley <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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Resources definition can become simpler and more organised by using the
dedicated helpers.
Suggested-by: Andy Shevchenko <[email protected]>
Signed-off-by: Vasileios Amoiridis <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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Convert irqd_get_trigger_type(irq_get_irq_data(irq)) cases to the more
simple irq_get_trigger_type(irq).
Suggested-by: Andy Shevchenko <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Vasileios Amoiridis <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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"make dtbs_check":
arch/arm64/boot/dts/renesas/r8a77951-salvator-xs.dtb: clock-generator@6a: 'idt,shutdown' is a required property
From schema: Documentation/devicetree/bindings/clock/idt,versaclock5.yaml
arch/arm64/boot/dts/renesas/r8a77951-salvator-xs.dtb: clock-generator@6a: 'idt,output-enable-active' is a required property
From schema: Documentation/devicetree/bindings/clock/idt,versaclock5.yaml
Versaclock 5 clock generators can have their configuration stored in
One-Time Programmable (OTP) memory. Hence there is no need to specify
DT properties for manual configuration if the OTP has been programmed
before. Likewise, the Linux driver does not touch the SD/OE bits if the
corresponding properties are not specified, cfr. commit d83e561d43bc71e5
("clk: vc5: Add properties for configuring SD/OE behavior").
Reflect this in the bindings by making the "idt,shutdown" and
"idt,output-enable-active" properties not required, just like the
various "idt,*" properties in the per-output child nodes.
Fixes: 275e4e2dc0411508 ("dt-bindings: clk: vc5: Add properties for configuring the SD/OE pin")
Signed-off-by: Geert Uytterhoeven <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Luca Ceresoli <[email protected]>
Link: https://lore.kernel.org/r/68037ad181991fe0b792f6d003e3e9e538d5ffd7.1673452118.git.geert+renesas@glider.be
Signed-off-by: Rob Herring (Arm) <[email protected]>
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Make the integrity mapping more like data mapping, blk_rq_map_sg. Use
the request to validate the segment count, and update the callers so
they don't have to.
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
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The description of the function now explicitly states that it's
an *exact* match for the given string (i.e. not a submatch). It also
better states all the possible return values.
Signed-off-by: Miquel Sabaté Solà <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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__free() provides a scoped of_node_put() functionality to put the
device_node automatically, and we don't need to call of_node_put()
directly. Let's simplify the code a bit with the use of __free().
Signed-off-by: Zhang Zekun <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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Add a compatible for the SA8255p platform's KPSS watchdog.
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Nikunj Kela <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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Add an entry to fsl,imx8qm-irqsteer.
This fixes the following dt-schema warning:
failed to match any schema with compatible: ['fsl,imx8qm-irqsteer', 'fsl,imx-irqsteer']
Signed-off-by: Fabio Estevam <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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Extended SPI and extended PPI interrupts are in the range [0-1023] and
[0-127] respectively, supported by GICv3.1.
Qualcomm SA8255p platform uses extended SPI for SCMI 'a2p' doorbells.
Signed-off-by: Nikunj Kela <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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LPC32XX SoCs use pl080 dma controller which have few request signals
multiplexed between peripherals. This binding describes how devices can
use the multiplexed request signals.
Signed-off-by: Piotr Wojtaszczyk <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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"maxim,max1237" is already documented in iio/adc/maxim,max1238.yaml, so
drop it from trivial-devices.yaml.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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Drop LM75 compatible devices which are already documented in lm75.yaml.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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The correct vendor prefix for Analog Devices is "adi", not "ad". Both
forms are in use. Add the "adi,ad7414" version and deprecate the
"ad,ad7414" version.
Keep them together even though it breaks strict alphabetical ordering.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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"at,24c08" does not have a correct vendor prefix. The correct compatible
string would be "atmel,24c08" which is already documented in at24.yaml.
It is also unused anywhere, so just drop it.
"st,24c256" is already documented in at24.yaml, so drop it as well.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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commit 53ed3233e6b5 ("dt-bindings: input: qcom,pm8921-keypad: convert to
YAML format") resulted in a renaming of the output .txt file from
qcom,pm8xxx-keypad.txt to qcom,pm8921-keypad.yaml.
This patch makes a corresponding update to the link to that .txt file
in wakeup-source.txt.
Flagged by make htmldocs:
Warning: Documentation/devicetree/bindings/power/wakeup-source.txt references a file that doesn't exist: Documentation/devicetree/bindings/input/qcom,pm8xxx-keypad.txt
Signed-off-by: Simon Horman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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Add compatible for pdc interrupt controller representing support on
SA8255p.
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Nikunj Kela <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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Corrected several typos in Documentation/devicetree/bindings files.
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Kuan-Wei Chiu <[email protected]>
Reviewed-by: Matti Vaittinen <[email protected]>
Signed-off-by: Yu-Chun Lin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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The members "start" and "end" of struct resource are of type
"resource_size_t" which can be 32bit wide.
Values read from OF however are always 64bit wide.
Refactor the diff overflow checks into a helper function.
Also extend the checks to validate each calculation step.
Signed-off-by: Thomas Weißschuh <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
[robh: Fix to not return error on 0 sized resource]
Signed-off-by: Rob Herring (Arm) <[email protected]>
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Provide the s390 specific vdso getrandom() architecture backend.
_vdso_rng_data required data is placed within the _vdso_data vvar page,
by using a hardcoded offset larger than vdso_data.
As required the chacha20 implementation does not write to the stack.
The implementation follows more or less the arm64 implementations and
makes use of vector instructions. It has a fallback to the getrandom()
system call for machines where the vector facility is not installed.
The check if the vector facility is installed, as well as an
optimization for machines with the vector-enhancements facility 2, is
implemented with alternatives, avoiding runtime checks.
Note that __kernel_getrandom() is implemented without the vdso user
wrapper which would setup a stack frame for odd cases (aka very old
glibc variants) where the caller has not done that. All callers of
__kernel_getrandom() are required to setup a stack frame, like the C ABI
requires it.
The vdso testcases vdso_test_getrandom and vdso_test_chacha pass.
Benchmark on a z16:
$ ./vdso_test_getrandom bench-single
vdso: 25000000 times in 0.493703559 seconds
syscall: 25000000 times in 6.584025337 seconds
Signed-off-by: Heiko Carstens <[email protected]>
Reviewed-by: Harald Freudenberger <[email protected]>
Signed-off-by: Jason A. Donenfeld <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few last minute fixes for v6.11, they're all individually
unremarkable and only last minute due to when they came in"
* tag 'spi-fix-v6.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: nxp-fspi: fix the KASAN report out-of-bounds bug
spi: geni-qcom: Fix incorrect free_irq() sequence
spi: geni-qcom: Undo runtime PM changes at driver exit time
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When CONFIG_TRACEPOINTS=y but CONFIG_PAGE_POOL=n, we end up with this
build failure that is reported by the 0-day bot:
ld: vmlinux.o: in function `mp_dmabuf_devmem_alloc_netmems':
>> (.text+0xc37286): undefined reference to `__tracepoint_page_pool_state_hold'
>> ld: (.text+0xc3729a): undefined reference to `__SCT__tp_func_page_pool_state_hold'
>> ld: vmlinux.o:(__jump_table+0x10c48): undefined reference to `__tracepoint_page_pool_state_hold'
>> ld: vmlinux.o:(.static_call_sites+0xb824): undefined reference to `__SCK__tp_func_page_pool_state_hold'
The root cause is that in this configuration, traces are enabled but the
page_pool specific trace_page_pool_state_hold is not registered.
There is no reason to build the dmabuf memory provider when
CONFIG_PAGE_POOL is not present, as it's really a provider to the
page_pool.
In fact the whole NET_DEVMEM is RX path-only at the moment, so we can
make the entire config dependent on the PAGE_POOL.
Note that this may need to be revisited after/while devmem TX is
added, as devmem TX likely does not need CONFIG_PAGE_POOL. For now this
build fix is sufficient.
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Signed-off-by: Mina Almasry <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Tested-by: Simon Horman <[email protected]> # build-tested
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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In the function soc_tplg_dai_config, the logical jump
of 'goto err' is redundant, so remove it.
Signed-off-by: Tang Bin <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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There are no external users of this.
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
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The request tracks the integrity segments already, so no need to recount
the segments again.
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
Reviewed-by: Kanchan Joshi <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
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The request tracks the integrity segments already, so no need to recount
the segments again.
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
Reviewed-by: Kanchan Joshi <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
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Provide a helper to keep the request flags and nr_integrity_segments in
sync with the bio's integrity payload. This is an integrity equivalent
to the normal data helper function, 'blk_rq_map_user()'.
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
Reviewed-by: Kanchan Joshi <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
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If a bio is merged to a request, the entire bio list is merged, so don't
temporarily detach it from its list when counting segments. In most
cases, bi_next will already be NULL, so detaching is usually a no-op.
But if the bio does have a list, the current code is miscounting the
segments for the resulting merge.
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
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Both types of merging when integrity data is used are miscounting the
segments:
Merging two requests wasn't accounting for the new segment count, so add
the "next" segment count to the first on a successful merge to ensure
this value is accurate.
Merging a bio into an existing request was double counting the bio's
segments, even if the merge failed later on. Move the segment accounting
to the end when the merge is successful.
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
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This value is used for merging considerations, so it needs to be
accurate.
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
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Always defining the field will make using it easier and less error prone
in future patches.
There shouldn't be any downside to this: the field fits in what would
otherwise be a 2-byte hole, so we're not saving space by conditionally
leaving it out.
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire fix from Vinod Koul:
- Revert of earlier fix sent for non-continuous port map programming
which caused regression on Intel platforms
* tag 'soundwire-6.11-fixes_2' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: stream: Revert "soundwire: stream: fix programming slave ports for non-continous port maps"
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commit f22ed71cd602 ("sparc32,leon: SRMMU MMU Table probe fix") change
return value from paddrbase to 'pte', but left the varible here.
That causes a build warning for this varible, so we may remove it.
make --keep-going CROSS_COMPILE=/home/alexs/0day/gcc-14.1.0-nolibc/sparc-linux/bin/sparc-linux- --jobs=16 KCFLAGS= -Wtautological-compare -Wno-error=return-type -Wreturn-type -Wcast-function-type -funsigned-char -Wundef -fstrict-flex-arrays=3 -Wformat-overflow -Wformat-truncation -Wrestrict -Wenum-conversion W=1 O=sparc ARCH=sparc defconfig SHELL=/bin/bash arch/sparc/mm/ mm/ -s
<stdin>:1519:2: warning: #warning syscall clone3 not implemented [-Wcpp]
../arch/sparc/mm/leon_mm.c: In function 'leon_swprobe':
../arch/sparc/mm/leon_mm.c:42:32: warning: variable 'paddrbase' set but not used [-Wunused-but-set-variable]
42 | unsigned int lvl, pte, paddrbase;
| ^~~~~~~~~
Signed-off-by: Alex Shi <[email protected]>
To: [email protected]
To: [email protected]
To: Christian Brauner <[email protected]>
To: Andreas Larsson <[email protected]>
To: David S. Miller <[email protected]>
Reviewed-by: Andreas Larsson <[email protected]>
Tested-by: Andreas Larsson <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Andreas Larsson <[email protected]>
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This file does not compile because <linux/mfd/sm5703.h> is missing.
In KConfig, it depends on MFD_SM5703.
Both MFD_SM5703 and the missing include rely on another patch that never
got merged. The last iteration related to this patch is [1].
So remove this dead-code and undo commit e8858ba89ca3 ("regulator:
sm5703-regulator: Add regulators support for SM5703 MFD")
[1]: https://lore.kernel.org/lkml/[email protected]/
Signed-off-by: Christophe JAILLET <[email protected]>
Link: https://patch.msgid.link/0f5da91a05e7343d290c88e3c583b674cf6219ac.1725910247.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <[email protected]>
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Pull drm fixes from Dave Airlie:
"Regular fixes pull, the amdgpu JPEG engine fixes are probably the
biggest, they look to block some register accessing, otherwise there
are just minor fixes and regression fixes all over.
nouveau had a regression report going back a few kernels that finally
got fixed, Not entirely happy with so many changes so late, but they
all seem quite benign apart from the jpeg one.
dma-buf/heaps:
- fix off by one in CMA heap fault handler
syncobj:
- fix syncobj leak in drm_syncobj_eventfd_ioctl
amdgpu:
- Avoid races between set_drr() functions and dc_state_destruct()
- Fix regerssion related to zpos
- Fix regression related to overlay cursor
- SMU 14.x updates
- JPEG fixes
- Silence an UBSAN warning
amdkfd:
- Fetch cacheline size from IP discovery
i915:
- Prevent a possible int overflow in wq offsets
xe:
- Remove a double include
- Fix null checks and UAF
- Fix access_ok check in user_fence_create
- Fix compat IS_DISPLAY_STEP() range
- OA fix
- Fixes in show_meminfo
nouveau:
- fix GP10x regression on boot
stm:
- add COMMON_CLK dep
rockchip:
- iommu api change
tegra:
- iommu api change"
* tag 'drm-fixes-2024-09-13' of https://gitlab.freedesktop.org/drm/kernel: (25 commits)
drm/xe/client: add missing bo locking in show_meminfo()
drm/xe/client: fix deadlock in show_meminfo()
drm/xe/oa: Enable Xe2+ PES disaggregation
drm/xe/display: fix compat IS_DISPLAY_STEP() range end
drm/xe: Fix access_ok check in user_fence_create
drm/xe: Fix possible UAF in guc_exec_queue_process_msg
drm/xe: Remove fence check from send_tlb_invalidation
drm/xe/gt: Remove double include
drm/amd/display: Add all planes on CRTC to state for overlay cursor
drm/amdgpu/atomfirmware: Silence UBSAN warning
drm/amd/amdgpu: apply command submission parser for JPEG v1
drm/amd/amdgpu: apply command submission parser for JPEG v2+
drm/amd/pm: fix the pp_dpm_pcie issue on smu v14.0.2/3
drm/amd/pm: update the features set on smu v14.0.2/3
drm/amd/display: Do not reset planes based on crtc zpos_changed
drm/amd/display: Avoid race between dcn35_set_drr() and dc_state_destruct()
drm/amd/display: Avoid race between dcn10_set_drr() and dc_state_destruct()
drm/amdkfd: Add cache line size info
drm/tegra: Use iommu_paging_domain_alloc()
drm/rockchip: Use iommu_paging_domain_alloc()
...
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disable_irq() after request_irq() still has a time gap in which
interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will
disable IRQ auto-enable when request IRQ.
Fixes: 9ee0a0558819 ("Input: PS/2 gpio bit banging driver for serio bus")
Signed-off-by: Jinjie Ruan <[email protected]>
Acked-by: Danilo Krummrich <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>
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commit ac3b43283923 ("module: replace module_layout with module_memory")
introduced a set of memory regions for the module layout sharing the
same attributes. However, it didn't update the kmemleak scanned areas
which intended to limit kmemleak scan to sections containing writable
data. This means sections such as .text and .rodata are scanned by
kmemleak.
Refine the scanned areas for modules by limiting it to MOD_TEXT and
MOD_INIT_TEXT mod_mem regions.
CC: Song Liu <[email protected]>
Reviewed-by: Catalin Marinas <[email protected]>
Signed-off-by: Vincent Donnefort <[email protected]>
Signed-off-by: Luis Chamberlain <[email protected]>
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When insmod a kernel module, if fails in add_notes_attrs or
add_sysfs_attrs such as memory allocation fail, mod_sysfs_setup
will still return success, but we can't access user interface
on android device.
Patch for make mod_sysfs_setup can check the error of
add_notes_attrs and add_sysfs_attrs
[mcgrof: the section stuff comes from linux history.git [0]]
Fixes: 3f7b0672086b ("Module section offsets in /sys/module") [0]
Fixes: 6d76013381ed ("Add /sys/module/name/notes")
Acked-by: Luis Chamberlain <[email protected]>
Reviewed-by: Petr Pavlu <[email protected]>
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Link: https://git.kernel.org/pub/scm/linux/kernel/git/history/history.git/commit/?id=3f7b0672086b97b2d7f322bdc289cbfa203f10ef [0]
Signed-off-by: Xion Wang <[email protected]>
Signed-off-by: Chunhui Li <[email protected]>
Signed-off-by: Luis Chamberlain <[email protected]>
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_regulator_get() contains a lot of common code doing checks prior to the
regulator lookup and housekeeping work after the lookup. Almost all the
code could be shared with a OF-specific variant of _regulator_get().
Split out the common parts so that they can be reused. The OF-specific
version of _regulator_get() will be added in a subsequent patch.
No functional changes were made.
Signed-off-by: Chen-Yu Tsai <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Add calibration related kcontrol for speaker impedance calibration and
speaker leakage check for Chromebook.
Signed-off-by: Shenghao Ding <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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We need to migrate data blocks even though it is full to secure space
for zoned device file pinning.
Fixes: 9703d69d9d15 ("f2fs: support file pinning for zoned devices")
Signed-off-by: Daeho Jeong <[email protected]>
Reviewed-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
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Merge series from Vijendar Mukunda <[email protected]>:
This patch series moves common Soundwire endpoint parsing and dai
creation logic to common placeholder from Intel generic SoundWire
machine driver code to make it generic. AMD SoundWire machine driver
code is refactored to use these functions for SoundWire endpoint
parsing and dai creation logic.
Link: https://github.com/thesofproject/linux/pull/5171
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The vdso.h header file, which is included at many places, includes
generated header files. This can easily lead to recursive header file
inclusions if the vdso code is changed.
Therefore move the vdso symbol code, which requires the generated
header files, to a separate header file, and include it at the two
locations which require it.
Signed-off-by: Heiko Carstens <[email protected]>
Signed-off-by: Jason A. Donenfeld <[email protected]>
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Implement the infrastructure required to allow alternatives in vdso code.
Signed-off-by: Heiko Carstens <[email protected]>
Signed-off-by: Jason A. Donenfeld <[email protected]>
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Provide find_section() helper function which can be used to find a
section by name, similar to other architectures.
Signed-off-by: Heiko Carstens <[email protected]>
Signed-off-by: Jason A. Donenfeld <[email protected]>
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Let test_facility() generate a branch instruction if the tested facility is
a constant, and where the result cannot be evaluated during compile
time. The branch instruction defaults to "false" and is patched to nop
(branch not taken) if the tested facility is available.
This avoids runtime checks and is similar to x86's static_cpu_has() and
arm64's alternative_has_cap_likely().
Signed-off-by: Heiko Carstens <[email protected]>
Signed-off-by: Jason A. Donenfeld <[email protected]>
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Patch all alternatives which depend on facilities from the decompressor.
There is no technical reason which enforces to split patching of such
alternatives to the decompressor and the kernel.
This simplifies alternative handling a bit, since one alternative type is
removed.
Signed-off-by: Heiko Carstens <[email protected]>
Signed-off-by: Jason A. Donenfeld <[email protected]>
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Disable compile time optimizations of test_facility() for the
decompressor. The decompressor should not contain any optimized code
depending on the architecture level set the kernel image is compiled
for to avoid unexpected operation exceptions.
Add a __DECOMPRESSOR check to test_facility() to enforce that
facilities are always checked during runtime for the decompressor.
Reviewed-by: Sven Schnelle <[email protected]>
Signed-off-by: Heiko Carstens <[email protected]>
Signed-off-by: Jason A. Donenfeld <[email protected]>
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Running vdso_test_correctness on s390x (aka s390 64 bit) emits a warning:
Warning: failed to find clock_gettime64 in vDSO
This is caused by the "#elif defined (__s390__)" check in vdso_config.h
which the defines VDSO_32BIT.
If __s390x__ is defined also __s390__ is defined. Therefore the correct
check must make sure that only __s390__ is defined.
Therefore add the missing !defined(__s390x__). Also use common
__s390x__ define instead of __s390X__.
Signed-off-by: Heiko Carstens <[email protected]>
Fixes: 693f5ca08ca0 ("kselftest: Extend vDSO selftest")
Signed-off-by: Jason A. Donenfeld <[email protected]>
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The vDSO self tests fail on s390x for a vDSO linked with the GNU linker
ld as follows:
# ./vdso_test_gettimeofday
Floating point exception (core dumped)
On s390x the ELF hash table entries are 64 bits instead of 32 bits in
size (see Glibc sysdeps/unix/sysv/linux/s390/bits/elfclass.h).
Fixes: 40723419f407 ("kselftest: Enable vDSO test on non x86 platforms")
Reported-by: Heiko Carstens <[email protected]>
Tested-by: Heiko Carstens <[email protected]>
Signed-off-by: Jens Remus <[email protected]>
Signed-off-by: Heiko Carstens <[email protected]>
Signed-off-by: Jason A. Donenfeld <[email protected]>
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