Use managed API devm_kzalloc(), dmaenginem_async_device_register() and
devm_of_dma_controller_register() to simple code.
No functional change.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260225-mxsdma-module-v3-9-8f798b13baa6@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Introduce a local dev variable in probe() to avoid repeated use of
&pdev->dev throughout the function.
No functional change.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260225-mxsdma-module-v3-3-8f798b13baa6@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Propagate the return value of of_dma_controller_register() in probe()
instead of ignoring it.
Fixes: a580b8c542 ("dmaengine: mxs-dma: add dma support for i.MX23/28")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260225-mxsdma-module-v3-2-8f798b13baa6@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Merge tag 'v7.0-rc3' into driver-core-next
We need the driver-core fixes in here as well to build on top of.
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Add support for the resets on Cix's Sky1 SoC.
There are two reset controllers on Cix Sky1 Soc. One is located in S0
domain, and the other is located in S5 domain.
Signed-off-by: Gary Yang <gary.yang@cixtech.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
There are two system control on Cix sky1 Soc. One is located in S0 domain,
and the other is located in S5 domain. The system control contains resets,
usb typeC and more. At this point, only the reset controller is embedded
as usb typeC uses it by phandle.
Signed-off-by: Gary Yang <gary.yang@cixtech.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-17-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-16-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-15-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-14-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-13-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-12-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-11-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-10-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-9-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-8-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-7-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-6-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-5-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-4-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Convert the low-hanging fruits of workaround checks to the workaround
framework. Instead of having display structure checks for the
workarounds all over, concentrate the checks in intel_display_wa.c.
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-3-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
There's not much use in passing a number to the macro and let it
convert that into the enum and a string. It just hides the symbols.
Remove the number to enum conversion magic in intel_display_wa().
This has the side-effect of changing the print in the drm_WARN() that
is issued when the number is not implemented, but that is moot anyway
and can be changed later to something cleaner if needed.
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260305100100.332956-2-luciano.coelho@intel.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Introducing CS42L43B codec, a variant of CS42L43 which can be driven by
the same driver.
Changes in CS42L43 driver specific for CS42L43B:
- Decimator 1 and 2 are dedicated to ADC, can't be selected for PDM
- Decimators 3 and 4 are connected to PDM1
- Added Decimator 5 and 6 for PDM2
- Supports SoundWire Clock Gearing
- Updated ROM requiring no patching
- Reduced RAM space
- Each ISRC has 4 decimators now
Signed-off-by: Maciej Strozek <mstrozek@opensource.cirrus.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20260306152829.3130530-5-mstrozek@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Introducing CS42L43B codec, a variant of CS42L43 which can be driven by
the same driver.
Changes in CS42L43 driver specific for CS42L43B:
- Decimator 1 and 2 are dedicated to ADC, can't be selected for PDM
- Decimators 3 and 4 are connected to PDM1
- Added Decimator 5 and 6 for PDM2
- Supports SoundWire Clock Gearing
- Updated ROM requiring no patching
- Reduced RAM space
- Each ISRC has 4 decimators now
Signed-off-by: Maciej Strozek <mstrozek@opensource.cirrus.com>
Acked-by: Lee Jones <lee@kernel.org>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20260306152829.3130530-4-mstrozek@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
CS42L43B variant adds dedicated PDM interface, SoundWire Clock Gearing
support and more decimators to ISRCs.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Maciej Strozek <mstrozek@opensource.cirrus.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20260306152829.3130530-3-mstrozek@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add codec_info for a new variant of CS42L43. It can resue existing info
but needs a new part_id.
Signed-off-by: Maciej Strozek <mstrozek@opensource.cirrus.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20260306152829.3130530-2-mstrozek@opensource.cirrus.com
Tested-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Christoph says, in response to one of the patches in the i_ino widening
series, which changes the prototype of several functions in fs.h:
"Can you please drop all these pointless externs while you're at it?"
Remove extern keyword from functions touched by that patch (and a few
that happened to be nearby). Also add missing argument names to
declarations that lacked them.
Suggested-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20260307-iino-u64-v2-1-a1a1696e0653@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
Instead of testing import_attach for imported GEM buffers, invoke
drm_gem_is_imported() to do the test. The test itself does not change.
Suggested-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Link: https://patch.msgid.link/20260309092755.3165130-1-karol.wachowski@linux.intel.com
Convert remaining users of of_gpio.h to using GPIO descriptors and
remove the header.
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Merge tag 'ib-gpio-remove-of-gpio-h-for-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git into gpio/for-next
Immutable branch between GPIO and net
Convert remaining users of of_gpio.h to using GPIO descriptors and
remove the header.
All in-tree consumers have been converted to the descriptor-based API.
Remove the deprecated of_get_named_gpio() helper, delete the
<linux/of_gpio.h> header, and drop the corresponding entry from
MAINTAINERS.
Also remove the completed TODO item for this cleanup.
Signed-off-by: Jialu Xu <xujialu@vimux.org>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/02ABDA1F9E3FAF1F+20260307030623.3495092-6-xujialu@vimux.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Replace the legacy of_get_named_gpio() / gpio_request_one() /
gpio_set_value() API with the descriptor-based devm_gpiod_get_optional() /
gpiod_set_value() API from <linux/gpio/consumer.h>, removing the
dependency on <linux/of_gpio.h>.
The "reset-n-io" property rename quirk already exists in gpiolib-of.c
(added in commit 9c2cc7171e), so no additional quirk is needed.
Signed-off-by: Jialu Xu <xujialu@vimux.org>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/DD684946FD7EE161+20260307030623.3495092-4-xujialu@vimux.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Replace the legacy of_get_named_gpio() / gpio_request_one() /
gpio_set_value() API with the descriptor-based devm_gpiod_get() /
gpiod_set_value() API from <linux/gpio/consumer.h>, removing the
dependency on <linux/of_gpio.h>.
This removes the s3fwrn5_i2c_parse_dt() and s3fwrn82_uart_parse_dt()
functions since devm_gpiod_get() handles both DT lookup and resource
management. The gpio_en and gpio_fw_wake fields in struct phy_common
are changed from int to struct gpio_desc *.
Add rename quirks in gpiolib-of.c for the deprecated "s3fwrn5,en-gpios"
and "s3fwrn5,fw-gpios" properties to maintain backward compatibility
with old device trees.
Signed-off-by: Jialu Xu <xujialu@vimux.org>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/94FF47746A92BD6B+20260307030623.3495092-2-xujialu@vimux.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
When a write subrequest is marked NETFS_SREQ_NEED_RETRY, the retry path
in netfs_unbuffered_write() unconditionally calls stream->prepare_write()
without checking if it is NULL.
Filesystems such as 9P do not set the prepare_write operation, so
stream->prepare_write remains NULL. When get_user_pages() fails with
-EFAULT and the subrequest is flagged for retry, this results in a NULL
pointer dereference at fs/netfs/direct_write.c:189.
Fix this by mirroring the pattern already used in write_retry.c: if
stream->prepare_write is NULL, skip renegotiation and directly reissue
the subrequest via netfs_reissue_write(), which handles iterator reset,
IN_PROGRESS flag, stats update and reissue internally.
Fixes: a0b4c7a491 ("netfs: Fix unbuffered/DIO writes to dispatch subrequests in strict sequence")
Reported-by: syzbot+7227db0fbac9f348dba0@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=7227db0fbac9f348dba0
Signed-off-by: Deepanshu Kartikey <Kartikey406@gmail.com>
Link: https://patch.msgid.link/20260307043947.347092-1-kartikey406@gmail.com
Tested-by: syzbot+7227db0fbac9f348dba0@syzkaller.appspotmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
With reset core now being able to work with firmware nodes, we can make
reset-gpio node-agnostic and drop any OF dependencies.
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
With everything else now in place, we can convert the remaining parts of
the reset subsystem to becoming fwnode-agnostic - meaning it will work
with all kinds of firmware nodes, not only devicetree.
To that end: extend struct reset_controller_dev with fields taking
information relevant for using firmware nodes (which mirrors what we
already do for OF-nodes) and limit using of_ APIs only to where it's
absolutely necessary (mostly around the of_xlate callback).
For backward compatibility of existing drivers we still support OF-nodes
but firmware nodes become the preferred method.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
In order to simplify the commit converting the internals of reset core
to using firmware nodes, first convert the user-facing API. Modify the
signature of the core consumer functions but leave the specialized
wrappers as is to avoid modifying users for now.
No functional change intended.
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Start the conversion of reset core to using firmware nodes by reworking
of_reset_control_get_count(). Unfortunately there is no fwnode-based
alternative to of_count_phandle_with_args() so we have to hand-code it.
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Currently we use a single, global mutex - misleadingly names
reset_list_mutex - to protect the global list of reset devices,
per-controller list of reset control handles and also internal fields of
struct reset_control. Locking can be made a lot more fine-grained if we
use a separate mutex for serializing operations on the list AND
accessing the reset control handle.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Currently we use a single, global mutex - misleadingly names
reset_list_mutex - to protect the global list of reset devices,
per-controller list of reset control handles and also internal fields of
struct reset_control. Locking can be made a lot more fine-grained if we
use a separate mutex for serializing operations on the list AND
accessing the reset controller device.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Except for the reset-gpio, all reset drivers use device tree - and as
such - benefit from the device links set up by driver core. This means,
that no reset supplier will be unbound before all its consumers have
been. For this reason, nobody bothered making the reset core resiliant
to the object life-time issues that are plagueing the kernel. In this
case: reset control handles referencing the reset provider device with
no serialization or NULL-pointer checking.
We now want to make the reset core fwnode-agnostic but before we do, we
must make sure it can survive unbinding of suppliers with consumers
still holding reset control handles.
To that end: use SRCU to protect the rcdev pointer inside struct
reset_control. We protect all sections using the pointer with SRCU
read-only critical sections and synchronize SRCU after every
modification of the pointer.
This is in line with what the GPIO subsystem does and what the proposed
revocable API tries to generalize. When and if the latter makes its way
into the kernel, reset core could potentially also be generalized to use
it.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
