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With the existence of the asus-armoury module the attributes no longer
need to live under the /sys/devices/platform/asus-nb-wmi/ path.
Deprecate all those that were implemented in asus-bioscfg with the goal
of removing them fully in the next LTS cycle.
Signed-off-by: Denis Benato <denis.benato@linux.dev>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/20251102215319.3126879-8-denis.benato@linux.dev
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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And expand it to encompass all pressure pads.
Definition: "pressure pad" as used here as includes all touchpads that
use physical pressure to convert to click, without physical hinges. Also
called haptic touchpads in general parlance, Synaptics calls them
ForcePads.
Most (all?) pressure pads are currently advertised as
INPUT_PROP_BUTTONPAD. The suggestion to identify them as pressure pads
by defining the resolution on ABS_MT_PRESSURE has been in the docs since
commit 20ccc8dd38a3 ("Documentation: input: define
ABS_PRESSURE/ABS_MT_PRESSURE resolution as grams") but few devices
provide this information.
In userspace it's thus impossible to determine whether a device is a
true pressure pad (pressure equals pressure) or a normal clickpad with
(pressure equals finger size).
Commit 7075ae4ac9db ("Input: add INPUT_PROP_HAPTIC_TOUCHPAD") introduces
INPUT_PROP_HAPTIC_TOUCHPAD but restricted it to those touchpads that
have support for userspace-controlled effects. Let's expand and rename
that definition to include all pressure pad touchpads since those that
do support FF effects can be identified by the presence of the
FF_HAPTIC bit.
This means:
- clickpad: INPUT_PROP_BUTTONPAD
- pressurepad: INPUT_PROP_BUTTONPAD + INPUT_PROP_PRESSUREPAD
- pressurepad with configurable haptics:
INPUT_PROP_BUTTONPAD + INPUT_PROP_PRESSUREPAD + FF_HAPTIC
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Benjamin Tissoires <bentiss@kernel.org>
Link: https://patch.msgid.link/20251106114534.GA405512@tassie
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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no_slb_preload cmdline can come useful in quickly disabling and/or
testing the performance impact of userspace slb preloads. Recently there
was a slb multi-hit issue due to slb preload cache which was very
difficult to triage. This cmdline option allows to quickly disable
preloads and verify if the issue exists in preload cache or somewhere
else. This can also be a useful option to see the effect of slb preloads
for any application workload e.g. number of slb faults with or w/o slb
preloads.
with slb_preload:
slb_faults (minimal initrd boot): 15
slb_faults (full systemd boot): 300
with no_slb_preload:
slb_faults (minimal initrd boot): 33
slb_faults (full systemd boot): 138180
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/de484b55c45d831bc2db63945f455153c89a9a65.1761834163.git.ritesh.list@gmail.com
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Not used anymore.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As the ethernet controller of SG2044 and SG2042 only supports
RGMII phy. Add phy-mode property to restrict the value.
Also, since SG2042 has internal rx delay in its mac, make
only "rgmii-txid" and "rgmii-id" valid for phy-mode.
Fixes: e281c48a7336 ("dt-bindings: net: sophgo,sg2044-dwmac: Add support for Sophgo SG2042 dwmac")
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251114003805.494387-2-inochiama@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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net.ipv4.tcp_comp_sack_slack_ns current default value is too high.
When a flow has many drops (1 % or more), and small RTT, adding 100 usec
before sending SACK stalls the sender relying on getting SACK
fast enough to keep the pipe busy.
Decrease the default to 10 usec.
This is orthogonal to Congestion Control heuristics to determine
if drops are caused by congestion or not.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Link: https://patch.msgid.link/20251114135141.3810964-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The pic64gx use the same IP than mpfs, therefore add compatibility with
mpfs as fallback.
Signed-off-by: Pierre-Henry Moussay <pierre-henry.moussay@microchip.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Currently it is not possible to disable streaming mode via ptrace on SME
only systems, the interface for doing this is to write via NT_ARM_SVE but
such writes will be rejected on a system without SVE support. Enable this
functionality by allowing userspace to write SVE_PT_REGS_FPSIMD format data
via NT_ARM_SVE with the vector length set to 0 on SME only systems. Such
writes currently error since we require that a vector length is specified
which should minimise the risk that existing software is relying on current
behaviour.
Reads are not supported since I am not aware of any use case for this and
there is some risk that an existing userspace application may be confused if
it reads NT_ARM_SVE on a system without SVE. Existing kernels will return
FPSIMD formatted register state from NT_ARM_SVE if full SVE state is not
stored, for example if the task has not used SVE. Returning a vector length
of 0 would create a risk that software would try to do things like allocate
space for register state with zero sizes, while returning a vector length of
128 bits would look like SVE is supported. It seems safer to just not make
the changes to add read support.
It remains possible for userspace to detect a SME only system via the ptrace
interface only since reads of NT_ARM_SSVE and NT_ARM_ZA will succeed while
reads of NT_ARM_SVE will fail. Read/write access to the FPSIMD registers in
non-streaming mode is available via REGSET_FPR.
sve_set_common() already avoids allocating SVE storage when doing a FPSIMD
formatted write and allocating SME storage when doing a NT_ARM_SVE write so
we change the function to validate the new case and skip setting a vector
length for it.
The aim is to make a minimally invasive change, no operation that would
previously have succeeded will be affected, and we use a previously
defined interface in new circumstances rather than define completely new
ABI.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: David Spickett <david.spickett@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Some of the datasheet links contained .pdf suffix which resulted in 404.
This patch updates the links to the correct URLs on Renesas website.
Signed-off-by: Igor Reznichenko <igor@reznichenko.net>
Link: https://lore.kernel.org/r/20251115182908.1357793-1-igor@reznichenko.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Convert APM X-Gene Storm DMA binding to DT schema format. It's a
straight-forward conversion.
Link: https://patch.msgid.link/20251013213037.684981-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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The binding is already defined in mfd/stericsson,db8500-prcmu.yaml and none
of 'the tripN.*' properties appear to be in use.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251030195234.439141-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Convert the brcm,sr-thermal binding to DT schema format. It's a
straight-forward conversion. "polling-delay", "thermal-sensors", and
"temperature" all apply to the thermal zones, not the sensor node.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251013215810.783006-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Convert amazon,al-thermal binding to DT schema format. It's a
straight-forward conversion.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251013215820.783272-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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For better readability, it is recommended to insert a newline before the
'status' property. Adjust the examples accordingly.
Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251023-docs-dt-newline-v1-1-1bf5e0040c0b@ixit.cz
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Generally at most 1 blank line is the standard style for DT schema
files. Remove the few cases with more than 1 so that the yamllint check
for this can be enabled.
Acked-by: Lee Jones <lee@kernel.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> # remoteproc
Acked-by: Georgi Djakov <djakov@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Andi Shyti <andi.shyti@kernel.org>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Uwe Kleine-König <ukleinek@kernel.org> # for allwinner,sun4i-a10-pwm.yaml
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> # mtd
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Manivannan Sadhasivam <mani@kernel.org> # For PCI controller bindings
Link: https://patch.msgid.link/20251023143957.2899600-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Update Krzysztof Kozlowski's email address to kernel.org account to stay
reachable.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20251021095354.86455-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Convert the brcm,ocotp binding to DT schema format. It's a
straight-forward conversion.
Link: https://patch.msgid.link/20251014152957.3782962-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Convert the existing text-based DT bindings for MediaTek MT8173 Media Data
Path to a DT schema.
Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251001183115.83111-1-ariel.dalessandro@collabora.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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LGE LG131x SoCs have been in use for some time, but the root compatibles
have not been documented. Add them.
Acked-by: Chanho Min <chanho.min@lge.com>
Link: https://patch.msgid.link/20251022181144.4147944-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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AMD Seattle SoC has been in use for some time, but the root compatibles
have not been documented. Add them.
Link: https://patch.msgid.link/20251022181112.4147188-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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APM X-Gene SoCs have been in use for some time, but the root compatibles
have not been documented. Add them.
Link: https://patch.msgid.link/20251022181127.4147542-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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yamllint has gained a new check which checks for inconsistent quoting
(mixed " and ' quotes within a file). Fix all the cases yamllint found
so we can enable the check (once the check is in a release). As single
quotes are (slightly) preferred, use them throughout the modified files
even if double quotes are mostly used.
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Acked-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Lee Jones <lee@kernel.org>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://patch.msgid.link/20251015232015.846282-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Convert the Actions S500/S700/S900 Smart Power System binding to DT
schema format. It's a straight-forward conversion.
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://patch.msgid.link/20251013215834.783501-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Add a compatible for the MediaTek MT8365 SoC, that has an integrated
ARM Mali G52 MC1 GPU and compatible with arm,mali-bifrost.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@collabora.com>
Link: https://patch.msgid.link/20251021-mt8365-enable-gpu-v2-1-17e05cff2c86@collabora.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Update Altera socfpga-ecc-manager dt bindings maintainer from
<matthew.gerlach@altera.com> to <niravkumarlaxmidas.rabara@altera.com>
as Matthew Gerlack is moving out of Altera.
Signed-off-by: Niravkumar L Rabara <niravkumarlaxmidas.rabara@altera.com>
Acked-by: Matthew Gerlach <matthew.gerlach@altera.com>
Link: https://patch.msgid.link/20251017083849.3213192-1-niravkumarlaxmidas.rabara@altera.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Node names are already and properly checked by the core schema. No need
to do it again.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20251020060951.30776-7-wsa+renesas@sang-engineering.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Fix a dt-schema error: `fsl,imx6q-vdoa.yaml:19:12: [error] string value is
redundantly quoted with any quotes (quoted-strings)`
Signed-off-by: Erick Setubal Bacurau <erick.setubal@gmx.de>
Link: https://patch.msgid.link/20251020121145.190020-1-erick.setubal@gmx.de
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Add compatible string "fsl,imx95-irqsteer" for the i.MX95 chip, which is
backward compatible with "fsl,imx-irqsteer".
Signed-off-by: Marek Vasut <marek.vasut@mailbox.org>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251011170213.128907-38-marek.vasut@mailbox.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Convert the Marvell AP80x System Controller binding to DT schema format.
There's not any specific compatible for the whole block which is a
separate problem, so just the child nodes are documented. Only the
pinctrl and clock child nodes need to be converted as the GPIO node
already has a schema.
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://patch.msgid.link/20251014153040.3783896-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Convert the Marvell CP110 System Controller binding to DT schema
format.
There's not any specific compatible for the whole block which is a
separate problem, so just the child nodes are documented. Only the
pinctrl and clock child nodes need to be converted as the GPIO node
already has a schema.
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://patch.msgid.link/20251022165509.3917655-2-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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Convert the cznic,moxtet binding to DT schema format. It's a
straight-forward conversion.
Reviewed-by: Marek Behún <kabel@kernel.org>
Link: https://patch.msgid.link/20251014153009.3783183-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
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In Documentation/admin-guide/blockdev/zoned_loop.rst, add the
description of the zone_append and ordered_zone_append configuration
arguments of zloop "add" command (device creation).
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Sphinx reports htmldocs warnings:
Documentation/filesystems/nfs/nfsd-maintainer-entry-profile.rst:185: ERROR: Unknown target name: "nfsd". [docutils]
Documentation/filesystems/nfs/nfsd-maintainer-entry-profile.rst:188: ERROR: Unknown target name: "nfsdn". [docutils]
Documentation/filesystems/nfs/nfsd-maintainer-entry-profile.rst:192: ERROR: Unknown target name: "nfsd4m". [docutils]
These are due to Sphinx confusing function name prefixes for external
link syntax. Fix the warnings by inlining the prefixes.
Fixes: 3a1ce35030e1e0 ("NFSD: Add a subsystem policy document")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/linux-next/20251117174218.29365f30@canb.auug.org.au/
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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Add the Devicetree binding for the PCIe Root Complex found on the SpacemiT
K1 SoC. This Root Complex is derived from the Synopsys Designware PCIe IP.
It supports up to three PCIe ports operating at PCIe link speed up to 5
GT/sec. One of the ports uses a combo PHY, which is typically used to
support a USB3 port.
Signed-off-by: Alex Elder <elder@riscstar.com>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Tested-by: Jason Montleon <jmontleo@redhat.com>
Tested-by: Johannes Erdfelt <johannes@erdfelt.com>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20251113214540.2623070-4-elder@riscstar.com
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resets
Power domains and resets should be required for PCI, so the proper SoC
supplies are turned on.
Fixes: 692eadd51698 ("dt-bindings: PCI: qcom: Document the X1E80100 PCIe Controller")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20251030-dt-bindings-pci-qcom-fixes-power-domains-v2-9-28c1f11599fe@linaro.org
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resets
Commit b8d3404058a6 ("dt-bindings: PCI: qcom,pcie-sm8550: Move SM8550 to
dedicated schema") move the device schema to separate file, but it
missed a "if:not:...then:" clause in the original binding which was
requiring power-domains and resets for this particular chip.
Fixes: b8d3404058a6 ("dt-bindings: PCI: qcom,pcie-sm8550: Move SM8550 to dedicated schema")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20251030-dt-bindings-pci-qcom-fixes-power-domains-v2-8-28c1f11599fe@linaro.org
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resets
Commit 88c9b3af4e31 ("dt-bindings: PCI: qcom,pcie-sm8450: Move SM8450 to
dedicated schema") move the device schema to separate file, but it
missed a "if:not:...then:" clause in the original binding which was
requiring power-domains and resets for this particular chip.
Fixes: 88c9b3af4e31 ("dt-bindings: PCI: qcom,pcie-sm8450: Move SM8450 to dedicated schema")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20251030-dt-bindings-pci-qcom-fixes-power-domains-v2-7-28c1f11599fe@linaro.org
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resets
Commit 2278b8b54773 ("dt-bindings: PCI: qcom,pcie-sm8350: Move SM8350 to
dedicated schema") move the device schema to separate file, but it
missed a "if:not:...then:" clause in the original binding which was
requiring power-domains and resets for this particular chip.
Fixes: 2278b8b54773 ("dt-bindings: PCI: qcom,pcie-sm8350: Move SM8350 to dedicated schema")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20251030-dt-bindings-pci-qcom-fixes-power-domains-v2-6-28c1f11599fe@linaro.org
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resets
Commit 4891b66185c1 ("dt-bindings: PCI: qcom,pcie-sm8250: Move SM8250 to
dedicated schema") move the device schema to separate file, but it
missed a "if:not:...then:" clause in the original binding which was
requiring power-domains and resets for this particular chip.
Fixes: 4891b66185c1 ("dt-bindings: PCI: qcom,pcie-sm8250: Move SM8250 to dedicated schema")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20251030-dt-bindings-pci-qcom-fixes-power-domains-v2-5-28c1f11599fe@linaro.org
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resets
Commit 51bc04d5b49d ("dt-bindings: PCI: qcom,pcie-sm8150: Move SM8150 to
dedicated schema") move the device schema to separate file, but it
missed a "if:not:...then:" clause in the original binding which was
requiring power-domains and resets for this particular chip.
Fixes: 51bc04d5b49d ("dt-bindings: PCI: qcom,pcie-sm8150: Move SM8150 to dedicated schema")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20251030-dt-bindings-pci-qcom-fixes-power-domains-v2-4-28c1f11599fe@linaro.org
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resets
Commit c007a5505504 ("dt-bindings: PCI: qcom,pcie-sc8280xp: Move
SC8280XP to dedicated schema") move the device schema to separate file,
but it missed a "if:not:...then:" clause in the original binding which
was requiring power-domains and resets for this particular chip.
Fixes: c007a5505504 ("dt-bindings: PCI: qcom,pcie-sc8280xp: Move SC8280XP to dedicated schema")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20251030-dt-bindings-pci-qcom-fixes-power-domains-v2-3-28c1f11599fe@linaro.org
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resets
Commit 756485bfbb85 ("dt-bindings: PCI: qcom,pcie-sc7280: Move SC7280 to
dedicated schema") move the device schema to separate file, but it
missed a "if:not:...then:" clause in the original binding which was
requiring power-domains and resets for this particular chip.
Fixes: 756485bfbb85 ("dt-bindings: PCI: qcom,pcie-sc7280: Move SC7280 to dedicated schema")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20251030-dt-bindings-pci-qcom-fixes-power-domains-v2-2-28c1f11599fe@linaro.org
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resets
Commit 544e8f96efc0 ("dt-bindings: PCI: qcom,pcie-sa8775p: Move SA8775p
to dedicated schema") move the device schema to separate file, but it
missed a "if:not:...then:" clause in the original binding which was
requiring power-domains and resets for this particular chip.
Fixes: 544e8f96efc0 ("dt-bindings: PCI: qcom,pcie-sa8775p: Move SA8775p to dedicated schema")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20251030-dt-bindings-pci-qcom-fixes-power-domains-v2-1-28c1f11599fe@linaro.org
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With commit 1204777867e8 ("s390/debug: keep debug data on resize")
the behavior of a debug area resize operation was changed. Update the
associated documentation to reflect this change.
Fixes: 1204777867e8 ("s390/debug: keep debug data on resize")
Reported-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Add DT compatible strings for Toradex SMARC iMX95 SoM and
Toradex SMARC Development carrier board.
Link: https://www.toradex.com/computer-on-modules/smarc-arm-family/nxp-imx95
Link: https://www.toradex.com/products/carrier-board/smarc-development-board-kit
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>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The Sophgo CV18XX/SG200X SoC top misc system controller provides register
access to configure related modules. It includes a usb2 phy and a dma
multiplexer.
Co-developed-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Longbin Li <looong.bin@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20251101014329.18439-2-looong.bin@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
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0day CI reported several broken references under
Documentation/translations/zh_CN/scsi/scsi-parameters.rst.
These files do not exist under the translations directory.
The correct references are the original English documents under
Documentation/scsi/.
This patch updates all broken paths accordingly.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202511130315.WOiKJQTu-lkp@intel.com/
Signed-off-by: ke zijie <kezijie@leap-io-kernel.com>
Signed-off-by: Alex Shi <alexs@kernel.org>
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next for v6.19:
UAPI Changes:
- Add sysfs entries, coredump support and uevents to QAIC.
- Add fdinfo memory statistics to ivpu.
Cross-subsystem Changes:
- Handle stub fence initialization during module init.
- Stop using system_wq in scheduler and drivers.
Core Changes:
- Documentation updates to ttm, vblank.
- Add EDID quirk for sharp panel.
- Use drm_crtc_vblank_(crtc,waitqueue) more in core and drivers.
Driver Changes:
- Small updates and fixes to panfrost, amdxdna, vmwgfx, ast, ivpu.
- Handle preemption in amdxdna.
- Add PM support to qaic.
- Huge refactor of sun4i's layer code to decouple plane code from output
and improve support for DE33.
- Add larger page and compression support to nouveau.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patch.msgid.link/1ad3ea69-d029-4a21-8b3d-6b264b1b2a30@linux.intel.com
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Patch series "mm/swapfile.c: select swap devices of default priority round
robin", v5.
Currently, on system with multiple swap devices, swap allocation will
select one swap device according to priority. The swap device with the
highest priority will be chosen to allocate firstly.
People can specify a priority from 0 to 32767 when swapon a swap device,
or the system will set it from -2 then downwards by default. Meanwhile,
on NUMA system, the swap device with node_id will be considered first on
that NUMA node of the node_id.
In the current code, an array of plist, swap_avail_heads[nid], is used to
organize swap devices on each NUMA node. For each NUMA node, there is a
plist organizing all swap devices. The 'prio' value in the plist is the
negated value of the device's priority due to plist being sorted from low
to high. The swap device owning one node_id will be promoted to the front
position on that NUMA node, then other swap devices are put in order of
their default priority.
E.g I got a system with 8 NUMA nodes, and I setup 4 zram partition as
swap devices.
Current behaviour:
their priorities will be(note that -1 is skipped):
NAME TYPE SIZE USED PRIO
/dev/zram0 partition 16G 0B -2
/dev/zram1 partition 16G 0B -3
/dev/zram2 partition 16G 0B -4
/dev/zram3 partition 16G 0B -5
And their positions in the 8 swap_avail_lists[nid] will be:
swap_avail_lists[0]: /* node 0's available swap device list */
zram0 -> zram1 -> zram2 -> zram3
prio:1 prio:3 prio:4 prio:5
swap_avali_lists[1]: /* node 1's available swap device list */
zram1 -> zram0 -> zram2 -> zram3
prio:1 prio:2 prio:4 prio:5
swap_avail_lists[2]: /* node 2's available swap device list */
zram2 -> zram0 -> zram1 -> zram3
prio:1 prio:2 prio:3 prio:5
swap_avail_lists[3]: /* node 3's available swap device list */
zram3 -> zram0 -> zram1 -> zram2
prio:1 prio:2 prio:3 prio:4
swap_avail_lists[4-7]: /* node 4,5,6,7's available swap device list */
zram0 -> zram1 -> zram2 -> zram3
prio:2 prio:3 prio:4 prio:5
The adjustment for swap device with node_id intended to decrease the
pressure of lock contention for one swap device by taking different swap
device on different node. The adjustment was introduced in commit
a2468cc9bfdf ("swap: choose swap device according to numa node").
However, the adjustment is a little coarse-grained. On the node, the swap
device sharing the node's id will always be selected firstly by node's
CPUs until exhausted, then next one. And on other nodes where no swap
device shares its node id, swap device with priority '-2' will be selected
firstly until exhausted, then next with priority '-3'.
This is the swapon output during the process high pressure vm-scability
test is being taken. It's clearly showing zram0 is heavily exploited
until exhausted.
===================================
[root@hp-dl385g10-03 ~]# swapon
NAME TYPE SIZE USED PRIO
/dev/zram0 partition 16G 15.7G -2
/dev/zram1 partition 16G 3.4G -3
/dev/zram2 partition 16G 3.4G -4
/dev/zram3 partition 16G 2.6G -5
The node based strategy on selecting swap device is much better then the
old way one by one selecting swap device. However it is still
unreasonable because swap devices are assumed to have similar accessing
speed if no priority is specified when swapon. It's unfair and doesn't
make sense just because one swap device is swapped on firstly, its
priority will be higher than the one swapped on later.
So in this patchset, change is made to select the swap device round robin
if default priority. In code, the plist array swap_avail_heads[nid] is
replaced with a plist swap_avail_head which reverts commit a2468cc9bfdf.
Meanwhile, on top of the revert, further change is taken to make any
device w/o specified priority get the same default priority '-1'. Surely,
swap device with specified priority are always put foremost, this is not
impacted. If you care about their different accessing speed, then use
'swapon -p xx' to deploy priority for your swap devices.
New behaviour:
swap_avail_list: /* one global available swap device list */
zram0 -> zram1 -> zram2 -> zram3
prio:1 prio:1 prio:1 prio:1
This is the swapon output during the process high pressure vm-scability
being taken, all is selected round robin:
=======================================
[root@hp-dl385g10-03 linux]# swapon
NAME TYPE SIZE USED PRIO
/dev/zram0 partition 16G 12.6G -1
/dev/zram1 partition 16G 12.6G -1
/dev/zram2 partition 16G 12.6G -1
/dev/zram3 partition 16G 12.6G -1
With the change, we can see about 18% efficiency promotion as below:
vm-scability test:
==================
Test with:
usemem --init-time -O -y -x -n 31 2G (4G memcg, zram as swap)
Before: After:
System time: 637.92 s 526.74 s (lower is better)
Sum Throughput: 3546.56 MB/s 4207.56 MB/s (higher is better)
Single process Throughput: 114.40 MB/s 135.72 MB/s (higher is better)
free latency: 10138455.99 us 6810119.01 us (low is better)
This patch (of 2):
This reverts commit a2468cc9bfdf ("swap: choose swap device according to
numa node").
After this patch, the behaviour will change back to pre-commit
a2468cc9bfdf. Means the priority will be set from -1 then downwards by
default, and when swapping, it will exhault swap device one by one
according to priority from high to low. This is preparation work for
later change.
[root@hp-dl385g10-03 ~]# swapon
NAME TYPE SIZE USED PRIO
/dev/zram0 partition 16G 16G -1
/dev/zram1 partition 16G 966.2M -2
/dev/zram2 partition 16G 0B -3
/dev/zram3 partition 16G 0B -4
Link: https://lkml.kernel.org/r/20251028034308.929550-1-bhe@redhat.com
Link: https://lkml.kernel.org/r/20251028034308.929550-2-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Suggested-by: Chris Li <chrisl@kernel.org>
Acked-by: Chris Li <chrisl@kernel.org>
Acked-by: Nhat Pham <nphamcs@gmail.com>
Reviewed-by: Kairui Song <kasong@tencent.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Kemeng Shi <shikemeng@huaweicloud.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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