If SDCA property is not present in the DisCo table, assume it
is present. This allows DAI links to be created from codec_info_list
instead of being skipped.
Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20260203095923.3741674-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Use functional topologies to support all RT721-related topology and
amplifier combinations,
e.g. sof-ptl-rt721.tplg, sof-ptl-rt721-l3-rt1320-l3.tplg.
If these entries are not removed, they will all use the sof-ptl-rt721.tplg.
Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20260203100027.3741754-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The existing code test if (bt_link_mask_override) to overwrite the BT
link mask. This doesn't allow user to disable the BT link mask. User may
want to disable the BT link when it is detected by the NHLT.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://patch.msgid.link/20260203111545.3742255-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Merge series from Simon Trimmer <simont@opensource.cirrus.com>:
This patch series adds a number of ACP7.0 match table entries that are
being used in customer products.
Some of the configurations are very similar so the series begins with
renaming and sorting the existing structures so that the end result is
easier to manage.
Merge series from Chris Morgan <macroalpha82@gmail.com>:
Add support for the Anbernic RG-DS Speaker Amplifiers. The Anbernic
RG-DS uses two AW87391 ICs at 0x58 and 0x5B on i2c2. However, the
manufacturer did not provide a firmware file, only a sequence of
register writes to each device to enable and disable them.
Add support for this *specific* configuration in the AW87390 driver.
Since we are relying on a device specific sequence I am using a
device specific compatible string. This driver does not currently
support the aw87391 for any other device as I have none to test
with valid firmware. Attempts to create firmware with the AwinicSCPv4
have not been successful.
'Commit a354f030db ("ASoC: qcom: q6asm: handle the responses
after closing")' attempted to ignore DSP responses arriving
after a stream had been closed.
However, those responses were still handled, causing lockups.
Fix this by unconditionally dropping all DSP responses associated with
closed data streams.
Signed-off-by: Cédric Bellegarde <cedric.bellegarde@adishatz.org>
Link: https://patch.msgid.link/20260102215225.609166-1-cedric.bellegarde@adishatz.org
Signed-off-by: Mark Brown <broonie@kernel.org>
The wcd-mbhc-v2 driver has unnecessary empty module_init and
module_exit functions. Remove them. Note that if a module_init function
exists, a module_exit function must also exist; otherwise, the module
cannot be unloaded.
Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://patch.msgid.link/20260131020111.46108-1-enelsonmoore@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This adds some match entries for a few system configurations:
cs42l45 link 1 UID 0
cs35l63 link 0 UID 0
cs35l63 link 0 UID 2
cs35l63 link 0 UID 4
cs35l63 link 0 UID 6
cs42l45 link 0 UID 0
cs35l63 link 1 UID 0
cs35l63 link 1 UID 1
cs42l45 link 0 UID 0
cs35l63 link 1 UID 1
cs35l63 link 1 UID 3
cs42l45 link 1 UID 0
cs35l63 link 0 UID 0
cs35l63 link 0 UID 1
cs35l63 link 0 UID 0
cs35l63 link 0 UID 2
cs35l63 link 0 UID 4
cs35l63 link 0 UID 6
cs42l43 link 0 UID 1
cs42l43b link 0 UID 1
cs42l45 link 0 UID 0
cs42l45 link 1 UID 0
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Reviewed-by: Maciej Strozek <mstrozek@opensource.cirrus.com>
Link: https://patch.msgid.link/6cac5670fd5bc14201d925584251d75e59307431.1769534442.git.simont@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Handle failures in the resume path by unwinding previously enabled
resources.
If enabling regulators or syncing the regcache fails, disable regulators
and unprepare the clock to avoid leaking resources and leaving the device
in a partially resumed state.
Signed-off-by: Hsieh Hung-En <hungen3108@gmail.com>
Link: https://patch.msgid.link/20260130160017.2630-6-hungen3108@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Use the regmap stored in the driver private data when restoring the
register cache on resume, instead of looking it up from the device.
This keeps the resume path consistent with the regmap instance used by
the driver and avoids relying on a separate dev_get_regmap() lookup.
Signed-off-by: Hsieh Hung-En <hungen3108@gmail.com>
Link: https://patch.msgid.link/20260130160017.2630-5-hungen3108@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Check and propagate return values from snd_soc_component_update_bits() in
es8328_set_dai_fmt().
This avoids silent failures when register updates fail and ensures the DAI
format is not left in an inconsistent state.
Signed-off-by: Hsieh Hung-En <hungen3108@gmail.com>
Link: https://patch.msgid.link/20260130160017.2630-4-hungen3108@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Register writes and updates in set_bias_level() ignored return values,
potentially masking I/O failures during bias level transitions.
Check and propagate errors from component register writes and updates.
Signed-off-by: Hsieh Hung-En <hungen3108@gmail.com>
Link: https://patch.msgid.link/20260130160017.2630-3-hungen3108@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The DAC deemphasis control updated the hardware before updating the cached
state, causing the previous setting to be applied.
Update the cached deemphasis state first and then apply the setting.
Also check and propagate errors from es8328_set_deemph() in hw_params().
Signed-off-by: Hsieh Hung-En <hungen3108@gmail.com>
Link: https://patch.msgid.link/20260130160017.2630-2-hungen3108@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add support for Anbernic's RG-DS audio amplifiers, powered by
Awinic AW87391 amplifier ICs. These chips typically require an
init sequence provided by firmware, but the manufacturer did not
provide firmware in this case. As a result we had to hard-code
the init sequence and use a device specific binding (rather than
a binding just for the aw87391).
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Link: https://patch.msgid.link/20260128174608.1498-3-macroalpha82@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add a binding for the Anbernic RG-DS Amplifier, which is an Awinic
aw87391 audio amplifier. This manufacturer did not provide firmware
so we have to use a list of init commands instead, requiring device
specific functionality rather than generic aw87391 functionality.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20260128174608.1498-2-macroalpha82@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The sai driver now links against the SCMI code directly, causing a
link failure when that is in a loadable module:
aarch64-linux-ld: sound/soc/fsl/fsl_sai.o: in function `fsl_sai_probe':
fsl_sai.c:(.text+0x1fe4): undefined reference to `scmi_imx_misc_ctrl_set'
Move the dependency from SND_SOC_FSL_MQS to SND_SOC_FSL_SAI. The MQS
driver depends on the SAI one, so it still gets the same dependency
indirectly.
All other drivers that select the SAI symbol need the same dependency
in turn, though that could probably get replaced with a 'depends on
SND_SOC_FSL_SAI' to keep it simpler.
Fixes: 19b08fd23b ("ASoC: fsl_sai: Add AUDMIX mode support on i.MX952")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20260202095353.1233963-1-arnd@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
cv1800b_adc_setbclk_div() does four 64-bit divisions in a row, which
is rather inefficient on 32-bit systems, and using the plain division
causes a build failure as a result:
ERROR: modpost: "__aeabi_uldivmod" [sound/soc/sophgo/cv1800b-sound-adc.ko] undefined!
Consolidate those into a single division using the div_u64() macro.
Fixes: 4cf8752a03 ("ASoC: sophgo: add CV1800B internal ADC codec driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20260202095323.1233553-1-arnd@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
The rt5575 driver fails to link when SPI support is in a loadable
module but the codec is built-in:
x86_64-linux-ld: vmlinux.o: in function `rt5575_i2c_probe':
rt5575.c:(.text+0x9792ce): undefined reference to `rt5575_spi_get_device'
rt5575.c:(.text+0x979332): undefined reference to `rt5575_spi_fw_load'
Change the symbol in to a 'bool' and add a dependency that rules
out the broken configuration.
Fixes: 420739112e ("ASoC: rt5575: Add the codec driver for the ALC5575")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20260202095432.1234133-1-arnd@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Small changes in drivers only, no core changes. The firewire one
fixes a user controlled overflow (but I still can't see how it could
be exploited).
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Small changes in drivers only, no core changes.
The firewire one fixes a user controlled overflow (but I still can't
see how it could be exploited)"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: amd-versal2: Fix PHY initialization in HCE enable notify
scsi: firewire: sbp-target: Fix overflow in sbp_make_tpg()
scsi: be2iscsi: Fix a memory leak in beiscsi_boot_get_sinfo()
scsi: qla2xxx: edif: Fix dma_free_coherent() size
dl_server to be stuck.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2026-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Ingo Molnar:
"Fix a regression in the deferrable dl_server code that can cause the
dl_server to be stuck"
* tag 'sched-urgent-2026-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/deadline: Fix 'stuck' dl_server
- Fix a build error on ia32-x86_64 cross builds
- Replace locally open coded ALIGN_UP(), ALIGN_UP_POW2()
and MAX(), which, beyond being duplicates, the
ALIGN_UP_POW2() is also buggy.
- Fix objtool klp-diff regression caused by a recent
change to the bug table format.
- Fix klp-build vs CONFIG_MODULE_SRCVERSION_ALL build
failure.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-urgent-2026-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Ingo Molnar:
- Fix a build error on ia32-x86_64 cross builds
- Replace locally open coded ALIGN_UP(), ALIGN_UP_POW2()
and MAX(), which, beyond being duplicates, the
ALIGN_UP_POW2() is also buggy
- Fix objtool klp-diff regression caused by a recent
change to the bug table format
- Fix klp-build vs CONFIG_MODULE_SRCVERSION_ALL build
failure
* tag 'objtool-urgent-2026-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
livepatch/klp-build: Fix klp-build vs CONFIG_MODULE_SRCVERSION_ALL
objtool/klp: Fix bug table handling for __WARN_printf()
objtool: Replace custom macros in elf.c with shared ones
objtool: Print bfd_vma as unsigned long long on ia32-x86_64 cross build
- Fix a regression in the ls-extirq irqchip driver
- Fix an irqchip platform enumeration regression
in the simple-pm-bus driver
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'irq-urgent-2026-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Ingo Molnar:
"Misc irqchip fixes:
- Fix a regression in the ls-extirq irqchip driver
- Fix an irqchip platform enumeration regression
in the simple-pm-bus driver"
* tag 'irq-urgent-2026-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
bus: simple-pm-bus: Probe the Layerscape SCFG node
irqchip/ls-extirq: Convert to a platform driver to make it work again
Including:
- Fix a performance regression cause by new Generic
IO-Page-Table code detected in Intel VT-d driver.
- Command queue flushing fix for NVidia version of the
ARM-SMMU-v3
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Merge tag 'iommu-fixes-v6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu fixes from Joerg Roedel:
- Fix a performance regression cause by the new Generic IO-Page-Table
code detected in Intel VT-d driver
- Command queue flushing fix for NVidia version of the ARM-SMMU-v3
* tag 'iommu-fixes-v6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux:
iommu/tegra241-cmdqv: Reset VCMDQ in tegra241_vcmdq_hw_init_user()
iommupt: Only cache flush memory changed by unmap
Just a few device-specific fixes; all small and mostly trivial,
should be pretty safe to take at the late stage.
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Merge tag 'sound-6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Just a few device-specific fixes; all small and mostly trivial, should
be pretty safe to take at the late stage"
* tag 'sound-6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: sof_sdw: Add a quirk for Lenovo laptop using sidecar amps with cs42l43
ASoC: Intel: sof_es8336: fix headphone GPIO logic inversion
ASoC: amd: yc: Add DMI quirk for Acer TravelMate P216-41-TCO
ASoC: soc-acpi-intel-ptl-match: fix name_prefix of rt1320-2
ALSA: hda/realtek: Add quirk for Inspur S14-G1
ALSA: hda/realtek: fix right sounds and mute/micmute LEDs for HP machine
ALSA: hda/realtek: Really fix headset mic for TongFang X6AR55xU.
ALSA: hda/realtek - fixed speaker no sound
ASoC: amd: yc: Add ASUS ExpertBook PM1503CDA to quirks list
ASoC: fsl: imx-card: Do not force slot width to sample width
ASoC: dt-bindings: fsl,sai: Add support for i.MX952 platform
ASoC: cs35l45: Corrects ASP_TX5 DAPM widget channel
- kbuild: rpm-pkg: Generate debuginfo package manually, allowing
signed kernel modules in rpm package, again
- kbuild: Fix permissions of modules.builtin.modinfo
- kbuild: Do not run kernel-doc when building external modules
Cc: Ethan Zuo <yuxuan.zuo@outlook.com>
Cc: Holger Kiehl <Holger.Kiehl@dwd.de>
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Rong Zhang <i@rong.moe>
Cc: Uday Shankar <ushankar@purestorage.com>
Cc: linux-kbuild@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
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Merge tag 'kbuild-fixes-6.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux
Pull Kbuild fixes from Nicolas Schier:
- Generate rpm-pkg debuginfo package manually, allowing signed kernel
modules in rpm package, again
- Fix permissions of modules.builtin.modinfo
- Do not run kernel-doc when building external modules
* tag 'kbuild-fixes-6.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux:
kbuild: Do not run kernel-doc when building external modules
kbuild: Fix permissions of modules.builtin.modinfo
kbuild: rpm-pkg: Generate debuginfo package manually
After commit 778b8ebe51 ("docs: Move the python libraries to
tools/lib/python"), building an external module with any value of W=
against the output of install-extmod-build fails with:
$ make -C /usr/lib/modules/6.19.0-rc7-00108-g4d310797262f/build M=$PWD W=1
make: Entering directory '/usr/lib/modules/6.19.0-rc7-00108-g4d310797262f/build'
make[1]: Entering directory '...'
CC [M] ...
Traceback (most recent call last):
File "/usr/lib/modules/6.19.0-rc7-00108-g4d310797262f/build/scripts/kernel-doc.py", line 339, in <module>
main()
~~~~^^
File "/usr/lib/modules/6.19.0-rc7-00108-g4d310797262f/build/scripts/kernel-doc.py", line 295, in main
from kdoc.kdoc_files import KernelFiles # pylint: disable=C0415
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'kdoc'
scripts/lib was included in the build directory from find_in_scripts but
after the move to tools/lib/python, it is no longer included, breaking
kernel-doc.py.
Commit eba6ffd126 ("docs: kdoc: move kernel-doc to tools/docs") breaks
this even further by moving kernel-doc outside of scripts as well, so it
cannot be found when called by cmd_checkdoc.
$ make -C /usr/lib/modules/6.19.0-rc7-next-20260130/build M=$PWD W=1
make: Entering directory '/usr/lib/modules/6.19.0-rc7-next-20260130/build'
make[1]: Entering directory '...'
CC [M] ...
python3: can't open file '/usr/lib/modules/6.19.0-rc7-next-20260130/build/tools/docs/kernel-doc': [Errno 2] No such file or directory
While kernel-doc could be useful for external modules, it is more useful
for in-tree documentation that will be build and included in htmldocs.
Rather than including it in install-extmod-build, just skip running
kernel-doc for the external module build.
Cc: stable@vger.kernel.org
Fixes: 778b8ebe51 ("docs: Move the python libraries to tools/lib/python")
Reported-by: Rong Zhang <i@rong.moe>
Closes: https://lore.kernel.org/20260129175321.415295-1-i@rong.moe/
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patch.msgid.link/20260130-kbuild-skip-kernel-doc-extmod-v1-1-58443d60131a@kernel.org
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Signed-off-by: Nicolas Schier <nsc@kernel.org>
The Enable bits in CMDQV/VINTF/VCMDQ_CONFIG registers do not actually reset
the HW registers. So, the driver explicitly clears all the registers when a
VINTF or VCMDQ is being initialized calling its hw_deinit() function.
However, a userspace VCMDQ is not properly reset, unlike an in-kernel VCMDQ
getting reset in tegra241_vcmdq_hw_init().
Meanwhile, tegra241_vintf_hw_init() calling tegra241_vintf_hw_deinit() will
not deinit any VCMDQ, since there is no userspace VCMDQ mapped to the VINTF
at that stage.
Then, this may result in dirty VCMDQ registers, which can fail the VM.
Like tegra241_vcmdq_hw_init(), reset a VCMDQ in tegra241_vcmdq_hw_init() to
fix this bug. This is required by a host kernel.
Fixes: 6717f26ab1e7 ("iommu/tegra241-cmdqv: Add user-space use support")
Cc: stable@vger.kernel.org
Reported-by: Bao Nguyen <ncqb@google.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
One fix for a harmless KMSAN splat.
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd fix from Jason Gunthorpe:
"One fix for a harmless KMSAN splat"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommufd: Initialize batch->kind in batch_clear()
Fix a race condition introduced in v6.18. Andreas Persson discovered this
issue while working with Focusrite Saffire Pro 40 (TCD33070). The fw_card
instance maintains a linked list of pending transactions, which must be
protected against concurrent access. However, a commit b5725cfa41
("firewire: core: use spin lock specific to timer for split transaction")
unintentionally allowed concurrent accesses to this list. Fix this by
adjusting the relevant critical sections to properly serialize access.
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Merge tag 'firewire-fixes-6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fix from Takashi Sakamoto:
"Fix a race condition introduced in v6.18.
Andreas Persson discovered this issue while working with Focusrite
Saffire Pro 40 (TCD33070). The fw_card instance maintains a linked
list of pending transactions, which must be protected against
concurrent access.
However, a commit b5725cfa41 ("firewire: core: use spin lock
specific to timer for split transaction") unintentionally allowed
concurrent accesses to this list.
Fix this by adjusting the relevant critical sections to properly
serialize access"
* tag 'firewire-fixes-6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: core: fix race condition against transaction list
- Correct the RISC-V compat.h COMPAT_UTS_MACHINE architecture name
- Avoid printing a false warning message on kernels with the SiFive and
MIPS errata compiled in
- Address a few warnings generated by sparse in the signal handling code
- Fix a comment typo
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Merge tag 'riscv-for-linus-6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
- Correct the RISC-V compat.h COMPAT_UTS_MACHINE architecture name
- Avoid printing a false warning message on kernels with the SiFive and
MIPS errata compiled in
- Address a few warnings generated by sparse in the signal handling
code
- Fix a comment typo
* tag 'riscv-for-linus-6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: compat: fix COMPAT_UTS_MACHINE definition
errata/sifive: remove unreliable warn_miss_errata
riscv: fix minor typo in syscall.h comment
riscv: signal: fix some warnings reported by sparse
Toolchain and infrastructure:
- Trigger rebuilds of the newly added 'proc-macro2' crate (and its
dependencies) when the Rust compiler version changes.
- Fix error in '.rsi' targets (macro expanding single targets) under
'O=' pointing to an external (not subdir) folder.
- Fix off-by-one line number in 'rustdoc' KUnit tests.
- Add '-fdiagnostics-show-context' to GCC flags skipped by 'bindgen'.
- Clean objtool warning by adding one more 'noreturn' function.
- Clean 'libpin_init_internal.{so,dylib}' in 'mrproper'.
'kernel' crate:
- Fix build error when using expressions in formatting arguments.
- Mark 'num::Bounded::__new()' as unsafe and clean documentation
accordingly.
- Always inline functions using 'build_assert' with arguments.
- Fix 'rusttest' build error providing the right 'isize_atomic_repr'
type for the host.
'macros' crate:
- Fix 'rusttest' build error by ignoring example.
rust-analyzer:
- Remove assertion that was not true for distributions like NixOS.
- Add missing dependency edges and fix editions for 'quote' and
sysroot crates to provide correct IDE support.
DRM Tyr:
- Fix build error by adding missing dependency on 'CONFIG_COMMON_CLK'.
Plus clean a few typos in docs and comments.
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Merge tag 'rust-fixes-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull Rust fixes from Miguel Ojeda:
"Toolchain and infrastructure:
- Trigger rebuilds of the newly added 'proc-macro2' crate (and its
dependencies) when the Rust compiler version changes
- Fix error in '.rsi' targets (macro expanding single targets) under
'O=' pointing to an external (not subdir) folder
- Fix off-by-one line number in 'rustdoc' KUnit tests
- Add '-fdiagnostics-show-context' to GCC flags skipped by 'bindgen'
- Clean objtool warning by adding one more 'noreturn' function
- Clean 'libpin_init_internal.{so,dylib}' in 'mrproper'
'kernel' crate:
- Fix build error when using expressions in formatting arguments
- Mark 'num::Bounded::__new()' as unsafe and clean documentation
accordingly
- Always inline functions using 'build_assert' with arguments
- Fix 'rusttest' build error providing the right 'isize_atomic_repr'
type for the host
'macros' crate:
- Fix 'rusttest' build error by ignoring example
rust-analyzer:
- Remove assertion that was not true for distributions like NixOS
- Add missing dependency edges and fix editions for 'quote' and
sysroot crates to provide correct IDE support
DRM Tyr:
- Fix build error by adding missing dependency on 'CONFIG_COMMON_CLK'
Plus clean a few typos in docs and comments"
* tag 'rust-fixes-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux: (28 commits)
rust: num: bounded: clean __new documentation and comments
scripts: generate_rust_analyzer: fix resolution of #[pin_data] macros
drm/tyr: depend on `COMMON_CLK` to fix build error
rust: sync: atomic: Provide stub for `rusttest` 32-bit hosts
kbuild: rust: clean libpin_init_internal in mrproper
rust: proc-macro2: rebuild if the version text changes
rust: num: bounded: add missing comment for always inlined function
rust: sync: refcount: always inline functions using build_assert with arguments
rust: bits: always inline functions using build_assert with arguments
scripts: generate_rust_analyzer: compile sysroot with correct edition
scripts: generate_rust_analyzer: compile quote with correct edition
scripts: generate_rust_analyzer: quote: treat `core` and `std` as dependencies
scripts: generate_rust_analyzer: syn: treat `std` as a dependency
scripts: generate_rust_analyzer: remove sysroot assertion
rust: kbuild: give `--config-path` to `rustfmt` in `.rsi` target
scripts: generate_rust_analyzer: Add pin_init_internal deps
scripts: generate_rust_analyzer: Add pin_init -> compiler_builtins dep
scripts: generate_rust_analyzer: Add compiler_builtins -> core dep
rust: macros: ignore example with module parameters
rust: num: bounded: mark __new as unsafe
...
In order to do a user space stacktrace the current task needs to be a user
task that has executed in user space. It use to be possible to test if a
task is a user task or not by simply checking the task_struct mm field. If
it was non NULL, it was a user task and if not it was a kernel task.
But things have changed over time, and some kernel tasks now have their
own mm field.
An idea was made to instead test PF_KTHREAD and two functions were used to
wrap this check in case it became more complex to test if a task was a
user task or not[1]. But this was rejected and the C code simply checked
the PF_KTHREAD directly.
It was later found that not all kernel threads set PF_KTHREAD. The io-uring
helpers instead set PF_USER_WORKER and this needed to be added as well.
But checking the flags is still not enough. There's a very small window
when a task exits that it frees its mm field and it is set back to NULL.
If perf were to trigger at this moment, the flags test would say its a
user space task but when perf would read the mm field it would crash with
at NULL pointer dereference.
Now there are flags that can be used to test if a task is exiting, but
they are set in areas that perf may still want to profile the user space
task (to see where it exited). The only real test is to check both the
flags and the mm field.
Instead of making this modification in every location, create a new
is_user_task() helper function that does all the tests needed to know if
it is safe to read the user space memory or not.
[1] https://lore.kernel.org/all/20250425204120.639530125@goodmis.org/
Fixes: 90942f9fac ("perf: Use current->flags & PF_KTHREAD|PF_USER_WORKER instead of current->mm == NULL")
Closes: https://lore.kernel.org/all/0d877e6f-41a7-4724-875d-0b0a27b8a545@roeck-us.net/
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20260129102821.46484722@gandalf.local.home
Andrea reported the dl_server getting stuck for him. He tracked it
down to a state where dl_server_start() saw dl_defer_running==1, but
the dl_server's job is no longer valid at the time of
dl_server_start().
In the state diagram this corresponds to [4] D->A (or dl_server_stop()
due to no more runnable tasks) followed by [1], which in case of a
lapsed deadline must then be A->B.
Now our A has dl_defer_running==1, while B demands
dl_defer_running==0, therefore it must get cleared when the CBS wakeup
rules demand a replenish.
Fixes: a110a81c52 ("sched/deadline: Deferrable dl server")
Reported-by: Andrea Righi arighi@nvidia.com
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Juri Lelli <juri.lelli@redhat.com>
Tested-by: Andrea Righi arighi@nvidia.com
Link: https://lkml.kernel.org/r/20260123161645.2181752-1-arighi@nvidia.com
Link: https://patch.msgid.link/20260130124100.GC1079264@noisy.programming.kicks-ass.net
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Merge tag 'block-6.19-20260130' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- Fix for an accounting leak in bcache that's been there forever,
and a related dead code removal
- Revert of a fix for rnbd that went into this series, but depends
on other changes that are staged for 7.0
- NVMe pull request via Keith:
- TCP target completion race condition fix (Ming)
- DMA descriptor cleanup fix (Roger)
* tag 'block-6.19-20260130' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
bcache: fix I/O accounting leak in detached_dev_do_request
bcache: remove dead code in detached_dev_do_request
nvme-pci: DMA unmap the correct regions in nvme_free_sgls
Revert "rnbd-clt: fix refcount underflow in device unmap path"
nvmet: fix race in nvmet_bio_done() leading to NULL pointer dereference
- important fix for ARM 32-bit based systems using cma= kernel parameter
(Oreoluwa Babatunde)
- a fix for the corner case of the DMA atomic pool based allocations
(Sai Sree Kartheek Adivi)
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Merge tag 'dma-mapping-6.19-2026-01-30' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux
Pull dma-mapping fixes from Marek Szyprowski:
- important fix for ARM 32-bit based systems using cma= kernel
parameter (Oreoluwa Babatunde)
- a fix for the corner case of the DMA atomic pool based allocations
(Sai Sree Kartheek Adivi)
* tag 'dma-mapping-6.19-2026-01-30' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux:
dma/pool: distinguish between missing and exhausted atomic pools
of: reserved_mem: Allow reserved_mem framework detect "cma=" kernel param
- don't call into pinctrl when setting direction in gpio-rockchip as it's
not needed and may trigger locking context errors
- change spinlock to raw_spinlock in gpio-sprd
- fix a use-after-free bug in gpio-virtuser
- don't register a driver from another driver's probe() in gpio-omap
- fix int width problems in GPIO ACPI code
- fix interrupt-to-pin mapping in gpio-brcmstb
- mask interrupts in irq shutdown in gpio-pca953x
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Merge tag 'gpio-fixes-for-v6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"Over the last week I received quite an unexpected (for rc7) number of
fixes but they are all pretty small and mostly limited to drivers:
- don't call into pinctrl when setting direction in gpio-rockchip as
it's not needed and may trigger locking context errors
- change spinlock to raw_spinlock in gpio-sprd
- fix a use-after-free bug in gpio-virtuser
- don't register a driver from another driver's probe() in gpio-omap
- fix int width problems in GPIO ACPI code
- fix interrupt-to-pin mapping in gpio-brcmstb
- mask interrupts in irq shutdown in gpio-pca953x"
* tag 'gpio-fixes-for-v6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: acpi: Fix potential out-of-boundary left shift
gpio: brcmstb: correct hwirq to bank map
gpio: omap: do not register driver in probe()
gpio: pca953x: mask interrupts in irq shutdown
gpio: virtuser: fix UAF in configfs release path
gpiolib: acpi: use BIT_ULL() for u64 mask in address space handler
gpio: sprd: Change sprd_gpio lock to raw_spin_lock
gpio: rockchip: Stop calling pinctrl for set_direction
The devm_gpiod_get_optional() function may return an error pointer
(ERR_PTR) in case of a genuine failure during GPIO acquisition,
not just NULL which indicates the legitimate absence of an optional
GPIO.
Add an IS_ERR() check after the function call to catch such errors and
propagate them to the probe function, ensuring the driver fails to load
safely rather than proceeding with an invalid pointer.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://patch.msgid.link/20260130091904.3426149-1-nichen@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
- Fix a WARN_ON() when passing an invalid handle to
drm_gem_change_handle_ioctl()
- drop ddc device reference when unloading in imx/tve.
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Merge tag 'drm-misc-fixes-2026-01-29' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
drm-misc-fixes for v6.19-rc8:
- Fix a WARN_ON() when passing an invalid handle to
drm_gem_change_handle_ioctl()
- drop ddc device reference when unloading in imx/tve.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patch.msgid.link/a34d967e-b111-4b29-8c97-af3e77b5d33e@linux.intel.com
Add a terminating NULL entry to an of_device_id table in the
qcom-nvmem cpufreq driver to avoid out-of-bounds access (Pei Xiao).
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Merge tag 'pm-6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"This adds a terminating NULL entry to an of_device_id table in the
qcom-nvmem cpufreq driver to avoid out-of-bounds access (Pei Xiao)"
* tag 'pm-6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: qcom-nvmem: add sentinel to qcom_cpufreq_ipq806x_match_list
incorrect. The observations of the committer was that the number of IDs
to be used to probe a chip was incorrect. It happened to be a limitation
of his controller, not a chip issue. Restore the chip description, a
solution must be found somewhere else.
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Merge tag 'mtd/fixes-for-6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD fix from Miquel Raynal:
"A single late MTD fix, which reverts a fix that turned out to be
incorrect.
The observations of the committer was that the number of IDs to be
used to probe a chip was incorrect. It happened to be a limitation of
his controller, not a chip issue. Restore the chip description, a
solution must be found somewhere else"
* tag 'mtd/fixes-for-6.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
Revert "mtd: spinand: esmt: fix id code for F50D1G41LB"
