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Add the yaml binding for ARM's Mali-C55 Image Signal Processor.
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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The Mali-C55 requires input data be in 20-bit format, MSB aligned.
Add some new media bus format macros to represent that input format.
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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The Mali-C55 ISP by ARM requires 20-bits per colour channel input on
the bus. Add a new media bus format code to represent it.
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Add to the driver-api documentation the v4l2-isp.h types and
helpers documentation.
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Michael Riesch <michael.riesch@collabora.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Add userspace documentation for V4L2 ISP generic parameters and
statistics formats.
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Michael Riesch <michael.riesch@collabora.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Merge series from Jun Guo <jun.guo@cixtech.com>:
The Cadence SPI IP supports configurable FIFO data widths during
integration. On some SoCs, the FIFO data width is designed to be 16 or
32 bits at the chip design stage. However, the current driver only
supports communication with an 8-bit FIFO data width. Therefore, these
patches are added to enable the driver to support communication with
16-bit and 32-bit FIFO data widths.
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The current EPP, ISP and MPE schemas are largely compatible with Tegra114+,
requiring only minor adjustments. Additionally, the TSEC schema for the
Security engine, which is available from Tegra114 onwards, is included.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Add device tree bindings for Microchip's CoreSPI controller.
CoreSPI is a "soft" IP core intended for FPGA implementations. Its
configurations are set in Libero. These properties represent
non-discoverable configurations determined by Verilog parameters to the
IP.
Signed-off-by: Prajna Rajendra Kumar <prajna.rajendrakumar@microchip.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251114104545.284765-3-prajna.rajendrakumar@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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U-Blox M8/M9 chip have a pin to start it in safeboot mode, to be used
to recover from situations where the flash content has become
corrupted and needs to be restored.
Signed-off-by: Alejandro Enrique <alejandroe1@geotab.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Add compatible string for Agilex3 SoCFPGA board, which shares the same
architecture as Agilex5 but with two fewer CPU cores.
Signed-off-by: Niravkumar L Rabara <niravkumarlaxmidas.rabara@altera.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
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vfs_mkdir() already drops the reference to the dentry on failure but it
leaves the parent locked.
This complicates end_creating() which needs to unlock the parent even
though the dentry is no longer available.
If we change vfs_mkdir() to unlock on failure as well as releasing the
dentry, we can remove the "parent" arg from end_creating() and simplify
the rules for calling it.
Note that cachefiles_get_directory() can choose to substitute an error
instead of actually calling vfs_mkdir(), for fault injection. In that
case it needs to call end_creating(), just as vfs_mkdir() now does on
error.
ovl_create_real() will now unlock on error. So the conditional
end_creating() after the call is removed, and end_creating() is called
internally on error.
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Tested-by: syzbot@syzkaller.appspotmail.com
Signed-off-by: NeilBrown <neil@brown.name>
Link: https://patch.msgid.link/20251113002050.676694-15-neilb@ownmail.net
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The STM32MP21x platforms have a slightly different RIFSC. While its
core functionalities are similar, the wiring is not the same. Hence,
declare a new compatible.
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20251106-rifsc_debugfs-v2-1-f90e94ae756d@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
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Introduce reset capability to EN7523 device-tree clock binding
documentation.
Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into clk-samsung
Pull more Samsung clk driver updates from Krzysztof Kozlowski:
- ExynosAutov920: add support for additional clock controllers (M2M and
MFC)
* tag 'samsung-clk-6.19' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
clk: samsung: clk-pll: simplify samsung_pll_lock_wait()
clk: samsung: exynosautov920: add block mfc clock support
clk: samsung: exynosautov920: add clock support
dt-bindings: clock: exynosautov920: add mfc clock definitions
dt-bindings: clock: exynosautov920: add m2m clock definitions
dt-bindings: clock: google,gs101-clock: add power-domains
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YNL wasn't able to decode the linkinfo from hsr interfaces. Add the
linkinfo attribute definitions for hsr interfaces. Example output now
looks like this:
$ ynl --spec Documentation/netlink/specs/rt-link.yaml --do getlink \
--json '{"ifname": "hsr0"}' --output-json | jq .linkinfo
{
"kind": "hsr",
"data": {
"slave1": 15,
"slave2": 13,
"supervision-addr": "01:15:4e:00:01:00",
"seq-nr": 64511,
"version": 1,
"protocol": 0
}
}
Signed-off-by: Felix Maurer <fmaurer@redhat.com>
Link: https://patch.msgid.link/926077a70de614f1539c905d06515e258905255e.1762968225.git.fmaurer@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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According to the APM Volume #2, Section 15.17, Table 15-10 (24593—Rev.
3.42—March 2024), When "GIF==0", an "Debug exception or trap, due to
breakpoint register match" should be "Ignored and discarded".
KVM lacks any handling of this. Even when vGIF is enabled and vGIF==0,
the CPU does not ignore #DBs and relies on the VMM to do so.
Handling this is possible, but the complexity is unjustified given the
rarity of using HW breakpoints when GIF==0 (e.g. near VMRUN). KVM would
need to intercept the #DB, temporarily disable the breakpoint,
singe-step over the instruction (probably reusing NMI singe-stepping),
and re-enable the breakpoint.
Instead, document this as an erratum.
Signed-off-by: Yosry Ahmed <yosry.ahmed@linux.dev>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://patch.msgid.link/20251030223757.2950309-1-yosry.ahmed@linux.dev
Signed-off-by: Sean Christopherson <seanjc@google.com>
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Cross-merge networking fixes after downstream PR (net-6.18-rc6).
No conflicts, adjacent changes in:
drivers/net/phy/micrel.c
96a9178a29a6 ("net: phy: micrel: lan8814 fix reset of the QSGMII interface")
61b7ade9ba8c ("net: phy: micrel: Add support for non PTP SKUs for lan8814")
and a trivial one in tools/testing/selftests/drivers/net/Makefile.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from Bluetooth and Wireless. No known outstanding
regressions.
Current release - regressions:
- eth:
- bonding: fix mii_status when slave is down
- mlx5e: fix missing error assignment in mlx5e_xfrm_add_state()
Previous releases - regressions:
- sched: limit try_bulk_dequeue_skb() batches
- ipv4: route: prevent rt_bind_exception() from rebinding stale fnhe
- af_unix: initialise scc_index in unix_add_edge()
- netpoll: fix incorrect refcount handling causing incorrect cleanup
- bluetooth: don't hold spin lock over sleeping functions
- hsr: Fix supervision frame sending on HSRv0
- sctp: prevent possible shift out-of-bounds
- tipc: fix use-after-free in tipc_mon_reinit_self().
- dsa: tag_brcm: do not mark link local traffic as offloaded
- eth: virtio-net: fix incorrect flags recording in big mode
Previous releases - always broken:
- sched: initialize struct tc_ife to fix kernel-infoleak
- wifi:
- mac80211: reject address change while connecting
- iwlwifi: avoid toggling links due to wrong element use
- bluetooth: cancel mesh send timer when hdev removed
- strparser: fix signed/unsigned mismatch bug
- handshake: fix memory leak in tls_handshake_accept()
Misc:
- selftests: mptcp: fix some flaky tests"
* tag 'net-6.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (60 commits)
hsr: Follow standard for HSRv0 supervision frames
hsr: Fix supervision frame sending on HSRv0
virtio-net: fix incorrect flags recording in big mode
ipv4: route: Prevent rt_bind_exception() from rebinding stale fnhe
wifi: iwlwifi: mld: always take beacon ies in link grading
wifi: iwlwifi: mvm: fix beacon template/fixed rate
wifi: iwlwifi: fix aux ROC time event iterator usage
net_sched: limit try_bulk_dequeue_skb() batches
selftests: mptcp: join: properly kill background tasks
selftests: mptcp: connect: trunc: read all recv data
selftests: mptcp: join: userspace: longer transfer
selftests: mptcp: join: endpoints: longer transfer
selftests: mptcp: join: rm: set backup flag
selftests: mptcp: connect: fix fallback note due to OoO
ethtool: fix incorrect kernel-doc style comment in ethtool.h
mlx5: Fix default values in create CQ
Bluetooth: btrtl: Avoid loading the config file on security chips
net/mlx5e: Fix potentially misleading debug message
net/mlx5e: Fix wraparound in rate limiting for values above 255 Gbps
net/mlx5e: Fix maxrate wraparound in threshold between units
...
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- Add new compatible strings to the DT binding documents to support
cix sky1 SoC.
Signed-off-by: Jun Guo <jun.guo@cixtech.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251031073003.3289573-2-jun.guo@cixtech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add bindings for Qualcomm SM6115 SoC Low Power Audio SubSystem (LPASS)
VA macro codec. This SoC does not provide macro clock so reflect that in
the bindings.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251031120703.590201-5-srinivas.kandagatla@oss.qualcomm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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re-arrange clock-names in the bindings to be more specific to the SoC
compatibles, this will give more flexibility to add new SoC's which do
not support some clocks.
Move all the clock-names under the SoC compatible rather than keeping
int on the top level, this makes it more align with other lpass codec
macros.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251031120703.590201-4-srinivas.kandagatla@oss.qualcomm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add bindings for Qualcomm SM6115 SoC Low Power Audio SubSystem (LPASS)
RX macro codec. This SoC does not provide macro clock so reflect that in
the bindings.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251031120703.590201-3-srinivas.kandagatla@oss.qualcomm.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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As pointed by Randy, the parenthesis there is not needed and it
violates the document coding style.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/linux-doc/9d709020-03fe-467c-be7f-d5ee251bb79a@infradead.org/
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <e5de9f7b1f6a963b2912574a65495c47cfbb13ba.1762878176.git.mchehab+huawei@kernel.org>
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Since the beginning, SPHINXDIRS was meant to be used by any
subdirectory inside Documentation/ that contains a file named
index.rst on it. The typical usecase for SPHINXDIRS is help
building subsystem-specific documentation, without needing to
wait for the entire building (with can take 3 minutes with
Sphinx 8.x and above, and a lot more with older versions).
Yet, the documentation for such feature was written back in
2016, where almost all index.rst files were at the first
level (Documentation/*/index.rst).
Update the documentation to reflect the way it works.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <683469813350214da122c258063dd71803ff700b.1763031632.git.mchehab+huawei@kernel.org>
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Add the binding for TI's AM62L family of devices.
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bryan Brattlof <bb@ti.com>
Link: https://patch.msgid.link/20251105-am62lx-v8-1-496f353e8237@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
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This patch removes documents of bcache discard sysfs interface, it
drops discard related sections from,
- Documentation/ABI/testing/sysfs-block-bcache
- Documentation/admin-guide/bcache.rst
Signed-off-by: Coly Li <colyli@fnnas.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add DT compatible strings for the Toradex Aquila AM69 SoM and its
supported carrier boards: the Aquila Development Board and the Clover
carrier board.
Link: https://www.toradex.com/computer-on-modules/aquila-arm-family/ti-am69
Link: https://www.toradex.com/products/carrier-board/aquila-development-board-kit
Link: https://www.toradex.com/products/carrier-board/clover
Signed-off-by: João Paulo Gonçalves <joao.goncalves@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251111175502.8847-2-francesco@dolcini.it
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
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TWL603x has also a power button function, so add the corresponding subnode.
As not in all cases there is a power button connected to the corresponding
pad of the TWL603x, the functionality can be disabled by
status = "disabled" or simply not adding the subnode.
To keep things simple, follow the established design pattern of using const
interrupts as used also by the other subdevices.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251106-twl6030-button-v4-1-fdf1aa6e1e9a@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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- Add extended linear cache size sysfs attribute.
- Adjust failure emission of extended linear cache detection in cxl_acpi.
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Misc patches for CXL 6.19
- Remove incorrect page-allocator quirk section in documentation.
- Remove unused devm_cxl_port_enumerate_dports() function.
- Fix typo in cdat.c code comment.
- Replace use of system_wq with system_percpu_wq
- Add locked decoder support
- Return when generic target updated
- Rename region_res_match_cxl_range() to spa_maps_hpa()
- Clarify comment in spa_maps_hpa()
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Document the compatible string for the PM7550 PMIC.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://patch.msgid.link/20251023-sm7635-pmxr2230-v3-2-f70466c030fe@fairphone.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Document compatible for PM7550 Torch and Flash LED controller.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://patch.msgid.link/20251023-sm7635-pmxr2230-v3-1-f70466c030fe@fairphone.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Add the PMIV0104 PMIC which is found on e.g. boards with Milos SoCs.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://patch.msgid.link/20251023-sm7635-pmiv0104-v3-1-27f1c417376d@fairphone.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Update the device tree binding document for GPIO interrupt controller of
Amlogic S6 S7 and S7D SoCs.
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251105-irqchip-gpio-s6-s7-s7d-v1-1-b4d1fe4781c1@amlogic.com
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2025-11-12
this is a pull request of 11 patches for net-next/main.
The first 3 patches are by Vadim Fedorenko and convert the CAN drivers
to use the ndo_hwtstamp callbacks.
Maud Spierings contributes a patch for the mcp251x driver that
converts it to use dev_err_probe().
The next 6 patches target the mcp251xfd driver and are by Gregor
Herburger and me. They add GPIO controller functionality to the
driver.
The final patch is by Chu Guangqing and fixes a typo in the bxcan
driver.
linux-can-next-for-6.19-20251112-2
* tag 'linux-can-next-for-6.19-20251112-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next:
can: bxcan: Fix a typo error for assign
dt-bindings: can: mcp251xfd: add gpio-controller property
can: mcp251xfd: add gpio functionality
can: mcp251xfd: only configure PIN1 when rx_int is set
can: mcp251xfd: add workaround for errata 5
can: mcp251xfd: utilize gather_write function for all non-CRC writes
can: mcp251xfd: move chip sleep mode into runtime pm
can: mcp251x: mcp251x_can_probe(): use dev_err_probe()
can: peak_usb: convert to use ndo_hwtstamp callbacks
can: peak_canfd: convert to use ndo_hwtstamp callbacks
can: convert generic HW timestamp ioctl to ndo_hwtstamp callbacks
====================
Link: https://patch.msgid.link/20251112184344.189863-1-mkl@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Add bindings for Sony IMX111 CMOS Digital Image Sensor found in LG
Optimus 4X (P880) and Optimus Vu (P895) smartphones.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Add the Device Tree binding documentation for the T-HEAD
TH1520 SoC PWM controller.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Drew Fustini <fustini@kernel.org>
Reviewed-by: Elle Rhumsaa <elle@weathered-steel.dev>
Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
Link: https://patch.msgid.link/20251016-rust-next-pwm-working-fan-for-sending-v16-5-a5df2405d2bd@samsung.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
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The RAA229141A is a digital dual output multiphase (X+Y ≤ 12) PWM
controller designed to be compliant with Intel VR13, VR13.HC, VR14 and
VR14.Cloud specifications, targeting VCORE and auxiliary rails.
The RAA229141A supports the Intel SVID interface along with PMBus V1.3
specifications, making it ideal for controlling the microprocessor core and
system rails in Intel VR13, VR13.HC, VR14 and VR14.Cloud platforms.
Signed-off-by: Jeff Lin <jefflin994697@gmail.com>
Link: https://lore.kernel.org/r/20251106104519.2014853-1-jefflin994697@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add a driver for the ST Microelectronics TSC1641 16-bit high-precision
power monitor. The driver supports reading bus voltage, current, power,
and temperature. Sysfs attributes are exposed for shunt resistor and
update interval. The driver integrates with the hwmon subsystem and
supports optional ALERT pin polarity configuration.
Signed-off-by: Igor Reznichenko <igor@reznichenko.net>
Link: https://lore.kernel.org/r/20251105201406.1210856-3-igor@reznichenko.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add binding for the TSC1641 I2C power monitor.
Signed-off-by: Igor Reznichenko <igor@reznichenko.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20251105201406.1210856-2-igor@reznichenko.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The mcp251xfd has two pins that can be used as gpio. Add gpio-controller
property to binding description.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Gregor Herburger <gregor.herburger@ew.tq-group.com>
Signed-off-by: Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://patch.msgid.link/20251001091006.4003841-7-viken.dadhaniya@oss.qualcomm.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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In practical problem diagnosis, especially during the boot phase, it is
often desirable to know the call sequence. However, currently, apart from
adding print statements and recompiling the kernel, there seems to be no
good alternative. If dynamic_debug supported printing the call stack, it
would be very helpful for diagnosing issues. This patch add support '+d'
for dump stack.
Link: https://lkml.kernel.org/r/20251025080003.312536-1-yebin@huaweicloud.com
Signed-off-by: Ye Bin <yebin10@huawei.com>
Cc: Jason Baron <jbaron@akamai.com>
Cc: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The hung_task_panic sysctl is currently a blunt instrument: it's all or
nothing.
Panicking on a single hung task can be an overreaction to a transient
glitch. A more reliable indicator of a systemic problem is when
multiple tasks hang simultaneously.
Extend hung_task_panic to accept an integer threshold, allowing the
kernel to panic only when N hung tasks are detected in a single scan.
This provides finer control to distinguish between isolated incidents
and system-wide failures.
The accepted values are:
- 0: Don't panic (unchanged)
- 1: Panic on the first hung task (unchanged)
- N > 1: Panic after N hung tasks are detected in a single scan
The original behavior is preserved for values 0 and 1, maintaining full
backward compatibility.
[lance.yang@linux.dev: new changelog]
Link: https://lkml.kernel.org/r/20251015063615.2632-1-lirongqing@baidu.com
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Lance Yang <lance.yang@linux.dev>
Tested-by: Lance Yang <lance.yang@linux.dev>
Acked-by: Andrew Jeffery <andrew@codeconstruct.com.au> [aspeed_g5_defconfig]
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: Florian Wesphal <fw@strlen.de>
Cc: Jakub Kacinski <kuba@kernel.org>
Cc: Jason A. Donenfeld <jason@zx2c4.com>
Cc: Joel Granados <joel.granados@kernel.org>
Cc: Joel Stanley <joel@jms.id.au>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kees Cook <kees@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: "Paul E . McKenney" <paulmck@kernel.org>
Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Phil Auld <pauld@redhat.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Simon Horman <horms@kernel.org>
Cc: Stanislav Fomichev <sdf@fomichev.me>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The Anlogic DR1V90 SoC integrates a UART controller compatible with
snps,dw-apb-uart, operating at a 50 MHz clock.
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Junhui Liu <junhui.liu@pigmoral.tech>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Add MTIMER support for Anlogic DR1V90 SoC, which uses Nuclei UX900 with
a TIMER unit compliant with the ACLINT specification.
Signed-off-by: Junhui Liu <junhui.liu@pigmoral.tech>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Add Anlogic DR1V90 FPSoC, featuring a UX900 RISC-V core as the
processing system (PS) and 94,464 LUTs programmable logic (PL). It is
used by the Milianke MLKPAI-FS01 board, a SBC equipped with 512MB DDR3
memory, USB-C UART, 1GbE RJ45 Ethernet, USB-A 2.0 port, TF card slot,
and 256Mbit Quad-SPI flash.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Junhui Liu <junhui.liu@pigmoral.tech>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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The UX900 is a RISC-V core from Nuclei, used in the Anlogic DR1V90 SoC.
It features a 64-bit architecture and dual-issue, 9-stage pipeline, with
lots of optional extensions including V, K, Zc, and more.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Junhui Liu <junhui.liu@pigmoral.tech>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Add vendor prefixes for "anlogic", "milianke" and "nuclei". These are
required for describing the Milianke MLKPAI-FS01 board with DR1V90 SoC
from Anlogic, which uses a processor core designed by Nuclei.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Junhui Liu <junhui.liu@pigmoral.tech>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Convert the Nuvoton NPCM PSPI binding to DT schema format.
Also update the binding to fix shortcoming:
* Drop clock-frequency property: it is never read in the NPCM PSPI
driver and has no effect.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251112150950.1680154-1-tmaimon77@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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