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[ Upstream commit d0f8430332a16c7baa80ce2886339182c5d85f37 ]
This code returns success if the kmemdup() fails, but obviously it
should return -ENOMEM instead.
Fixes: e5a1ecc97e5f ("rsi: add firmware loading for 9116 device")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210805103746.GA26417@kili
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f9b459c2ba5edfe247e86b45ad5dea8da542f3ea ]
Iff platform_get_irq() returns 0, the driver's probe() method will return 0
early (as if the method's call was successful). Let's consider IRQ0 valid
for simplicity -- devm_request_irq() can always override that decision...
Fixes: 15ef27756b23 ("i2c: hix5hd2: add i2c controller driver")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2478b9c1dcc9aa84cfd71ed7b5ca2a2c0ede75b7 ]
Remove dev_err() messages after platform_get_irq*() failures.
drivers/i2c/busses/i2c-hix5hd2.c:417:2-9: line 417 is redundant
because platform_get_irq() already prints an error
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit d6840a5e370b7ea4fde16ce2caf431bcc87f9a75 ]
Iff platform_get_irq() returns 0, the driver's probe() method will return 0
early (as if the method's call was successful). Let's consider IRQ0 valid
for simplicity -- devm_request_irq() can always override that decision...
Fixes: e0d1ec97853f ("i2c-s3c2410: Change IRQ to be plain integer.")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a1299505162ad00def3573260c2c68b9c8e8d697 ]
When adding the code to handle platform_get_irq*() errors in the commit
489447380a29 ("handle errors returned by platform_get_irq*()"), the
actual error code was enforced to be -ENXIO in the driver for some
strange reason. This didn't matter much until the deferred probing was
introduced -- which requires an actual error code to be propagated
upstream from the failure site.
While fixing this, also stop overriding the errors from request_irq() to
-EIO (done since the pre-git era).
Fixes: 489447380a29 ("[PATCH] handle errors returned by platform_get_irq*()")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit d1f278da6b11585f05b2755adfc8851cbf14a1ec ]
When scsi_dispatch_cmd was moved to scsi_lib.c and made static, some
compilers (i.e., at least gcc 8.4.0) decided to compile this
inline. This is a problem for lkdtm.ko, which inserted a kprobe
on this function for the SCSI_DISPATCH_CMD crashpoint.
Move this crashpoint one function up the call chain to
scsi_queue_rq. Though this is also a static function, it should never be
inlined because it is assigned as a structure entry. Therefore,
kprobe_register should always be able to find it.
Fixes: 82042a2cdb55 ("scsi: move scsi_dispatch_cmd to scsi_lib.c")
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kevin Mitchell <kevmitch@arista.com>
Link: https://lore.kernel.org/r/20210819022940.561875-2-kevmitch@arista.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2af0c5ffadaf9d13eca28409d4238b4e672942d3 ]
If IRQ occurs between calling request_irq() and mv_u3d_eps_init(),
then null pointer dereference occurs since u3d->eps[] wasn't
initialized yet but used in mv_u3d_nuke().
The patch puts registration of the interrupt handler after
initializing of neccesery data.
Found by Linux Driver Verification project (linuxtesting.org).
Fixes: 90fccb529d24 ("usb: gadget: Gadget directory cleanup - group UDC drivers")
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Nadezda Lutovinova <lutovinova@ispras.ru>
Link: https://lore.kernel.org/r/20210818141247.4794-1-lutovinova@ispras.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 09cbd1df7d2615c19e40facbe31fdcb5f1ebfa96 ]
The reference taken by 'of_find_device_by_node()' must be released when
not needed anymore.
Add the corresponding 'put_device()' in the normal and error handling
paths.
Fixes: 4e3d60656a72 ("ARM: bcm2835: Add the Raspberry Pi firmware driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/5e17e5409b934cd08bf6f9279c73be5c1cb11cce.1628232242.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1e7c57355a3bc617fc220234889e49fe722a6305 ]
When unbinding the firmware device we need to make sure it has no
consumers left. Otherwise we'd leave them with a firmware handle
pointing at freed memory.
Keep a reference count of all consumers and introduce rpi_firmware_put()
which will permit automatically decrease the reference count upon
unbinding consumer drivers.
Suggested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8d744da241b81f4211f4813b0d3c1981326fa9ca ]
The driver overrides the error codes returned by platform_get_irq() to
-ENODEV, so if it returns -EPROBE_DEFER, the driver will fail the probe
permanently instead of the deferred probing. Switch to propagating the
error codes upstream.
Fixes: 0d676a6c4390 ("i2c: add support for Socionext SynQuacer I2C controller")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omprussia.ru>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit cbfa6f33e3a685c329d78e06b0cf1dcb23c9d849 ]
Commit 0a0a66c984b3 ("clk: staging: Specify IOMEM dependency for Xilinx
Clocking Wizard driver") introduces a dependency on the non-existing config
IOMEM, which basically makes it impossible to include this driver into any
build. Fortunately, ./scripts/checkkconfigsymbols.py warns:
IOMEM
Referencing files: drivers/staging/clocking-wizard/Kconfig
The config for IOMEM support is called HAS_IOMEM. Correct this reference to
the intended config.
Fixes: 0a0a66c984b3 ("clk: staging: Specify IOMEM dependency for Xilinx Clocking Wizard driver")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20210817105404.13146-1-lukas.bulwahn@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0d45a1373e669880b8beaecc8765f44cb0241e47 ]
The driver neglects to check the result of platform_get_irq()'s call and
blithely passes the negative error codes to request_threaded_irq() (which
takes *unsigned* IRQ #), causing it to fail with -EINVAL, overriding an
original error code. Stop calling request_threaded_irq() with the invalid
IRQ #s.
Fixes: 9ba96ae5074c ("usb: omap1: Tahvo USB transceiver driver")
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/8280d6a4-8e9a-7cfe-1aa9-db586dc9afdf@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4ac5132e8a4300637a2da8f5d6bc7650db735b8a ]
The driver neglects to check the result of platform_get_irq()'s call and
blithely passes the negative error codes to usb_add_hcd() (which takes
*unsigned* IRQ #), causing request_irq() that it calls to fail with
-EINVAL, overriding an original error code. Stop calling usb_add_hcd()
with the invalid IRQ #s.
Fixes: 78c73414f4f6 ("USB: ohci: add support for tmio-ohci cell")
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/402e1a45-a0a4-0e08-566a-7ca1331506b1@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit cea45a3bd2dd4d9c35581328f571afd32b3c9f48 ]
soc_device_match() is intended as a last resort, to handle e.g. quirks
that cannot be handled by matching based on a compatible value.
As the device nodes for the Renesas USB 3.0 Peripheral Controller on
R-Car E3 and RZ/G2E do have SoC-specific compatible values, the latter
can and should be used to match against these devices.
This also fixes support for the USB 3.0 Peripheral Controller on the
R-Car E3e (R8A779M6) SoC, which is a different grading of the R-Car E3
(R8A77990) SoC, using the same SoC-specific compatible value.
Fixes: 30025efa8b5e75f5 ("usb: gadget: udc: renesas_usb3: add support for r8a77990")
Fixes: 546970fdab1da5fe ("usb: gadget: udc: renesas_usb3: add support for r8a774c0")
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/760981fb4cd110d7cbfc9dcffa365e7c8b25c6e5.1628696960.git.geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0881e22c06e66af0b64773c91c8868ead3d01aa1 ]
The driver neglects to check the result of platform_get_irq()'s calls and
blithely passes the negative error codes to request_threaded_irq() (which
takes *unsigned* IRQ #), causing them both to fail with -EINVAL, overriding
an original error code. Stop calling request_threaded_irq() with the
invalid IRQ #s.
Fixes: c33fad0c3748 ("usb: otg: Adding twl6030-usb transceiver driver for OMAP4430")
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/9507f50b-50f1-6dc4-f57c-3ed4e53a1c25@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ecc2f30dbb25969908115c81ec23650ed982b004 ]
The driver neglects to check the result of platform_get_irq()'s call and
blithely passes the negative error codes to request_irq() (which takes
*unsigned* IRQ #), causing it to fail with -EINVAL, overriding an original
error code. Stop calling request_irq() with the invalid IRQ #s.
Fixes: 0807c500a1a6 ("USB: add Freescale USB OTG Transceiver driver")
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/b0a86089-8b8b-122e-fd6d-73e8c2304964@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ecff88e819e31081d41cd05bb199b9bd10e13e90 ]
The driver neglects to check the result of platform_get_irq()'s call and
blithely passes the negative error codes to request_irq() (which takes
*unsigned* IRQ #), causing it to fail with -EINVAL, overriding an original
error code. Stop calling request_irq() with the invalid IRQ #s.
Fixes: 188db4435ac6 ("usb: gadget: s3c: use platform resources")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/bd69b22c-b484-5a1f-c798-78d4b78405f2@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 50855c31573b02963f0aa2aacfd4ea41c31ae0e0 ]
The driver neglects to check the result of platform_get_irq()'s call and
blithely passes the negative error codes to devm_request_irq() (which takes
*unsigned* IRQ #), causing it to fail with -EINVAL, overriding an original
error code. Stop calling devm_request_irq() with the invalid IRQ #s.
Fixes: 8b2e76687b39 ("USB: AT91 UDC updates, mostly power management")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Acked-by: Felipe Balbi <balbi@kernel.org>
Link: https://lore.kernel.org/r/6654a224-739a-1a80-12f0-76d920f87b6c@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 175006956740f70ca23394c58f8d7804776741bd ]
In dwc3_qcom_acpi_register_core(), the driver neglects to check the result
of platform_get_irq()'s call and blithely assigns the negative error codes
to the allocated child device's IRQ resource and then passing this resource
to platform_device_add_resources() and later causing dwc3_otg_get_irq() to
fail anyway. Stop calling platform_device_add_resources() with the invalid
IRQ #s, so that there's less complexity in the IRQ error checking.
Fixes: 2bc02355f8ba ("usb: dwc3: qcom: Add support for booting with ACPI")
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/45fec3da-1679-5bfe-5d74-219ca3fb28e7@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit baa2986bda3f7b2386607587a4185e3dff8f98df ]
The driver neglects to check the result of platform_get_irq()'s call and
blithely passes the negative error codes to devm_request_threaded_irq()
(which takes *unsigned* IRQ #), causing it to fail with -EINVAL, overriding
an original error code. Stop calling devm_request_threaded_irq() with the
invalid IRQ #s.
Fixes: f90db10779ad ("usb: dwc3: meson-g12a: Add support for IRQ based OTG switching")
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/96106462-5538-0b2f-f2ab-ee56e4853912@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6f35723864b42ec9e9bb95a503449633395c4975 ]
Cleanup routine missed to unpublish the parameters. Add it.
Fixes: e890acd5ff18 ("net/mlx5: Add devlink flow_steering_mode parameter")
Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 82e6c96f04e13c72d91777455836ffd012853caa ]
Add traps registration to mlx5_core devlink register/unregister flow.
This patch registers INGRESS_VLAN_FILTER trap.
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6977cc89c87506ff17e6c05f0e37f46752256e82 ]
'of_find_device_by_node()' takes a reference that must be released when
not needed anymore.
This is expected to be done in 'dsi_destroy()'.
However, there are 2 issues in 'dsi_get_phy()'.
First, if 'of_find_device_by_node()' succeeds but 'platform_get_drvdata()'
returns NULL, 'msm_dsi->phy_dev' will still be NULL, and the reference
won't be released in 'dsi_destroy()'.
Secondly, as 'of_find_device_by_node()' already takes a reference, there is
no need for an additional 'get_device()'.
Move the assignment to 'msm_dsi->phy_dev' a few lines above and remove the
unneeded 'get_device()' to solve both issues.
Fixes: ec31abf6684e ("drm/msm/dsi: Separate PHY to another platform device")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/f15bc57648a00e7c99f943903468a04639d50596.1628241097.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 728246e8f7269ecd35a2c6e6795323e6d8f48db7 ]
The 104-QUAD-8 only has two count modes where a ceiling value makes
sense: Range Limit and Modulo-N. Outside of these two modes, setting a
ceiling value is an invalid operation -- so let's report it as such by
returning -EINVAL.
Fixes: fc069262261c ("counter: 104-quad-8: Add lock guards - generic interface")
Acked-by: Syed Nayyar Waris <syednwaris@gmail.com>
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/a2147f022829b66839a1db5530a7fada47856847.1627990337.git.vilhelm.gray@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit a41cdb693595ae1904dd793fc15d6954f4295e27 ]
dpu_hw_ctl_clear_all_blendstages() clears settings for the few first LMs
instead of mixers actually used for the CTL. Change it to clear
necessary data, using provided mixer ids.
Fixes: 25fdd5933e4c ("drm/msm: Add SDM845 DPU support")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210704230519.4081467-1-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4af4fc92939dc811ef291c0673946555aa4fb71f ]
Fixes if condition, which never worked inside mdp4_kms_init, since
HW detection has been done later in mdp4_hw_init.
Fixes: eb2b47bb9a03 ("drm/msm/mdp4: only use lut_clk on mdp4.2+")
Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20210705231641.315804-2-david@ixit.cz
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 4d319afe666b0fc9a9855ba9bdf9ae3710ecf431 ]
Inspired by MDP5 code.
Also use DRM_DEV_INFO for MDP version as MDP5 does.
Cosmetic change: uint32_t -> u32 - checkpatch suggestion.
Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20210705231641.315804-1-david@ixit.cz
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit e3d4571955050736bbf3eda0a9538a09d9fcfce8 ]
The SMSM driver detects interrupt edges by tracking the last state
it has seen (and has triggered the interrupt handler for). This works
fine, but only if the interrupt does not change state while masked.
For example, if an interrupt is unmasked while the state is HIGH,
the stored last_value for that interrupt might still be LOW. Then,
when the remote processor triggers smsm_intr() we assume that nothing
has changed, even though the state might have changed from HIGH to LOW.
Attempt to fix this by checking the current remote state before
unmasking an IRQ. Use atomic operations to avoid the interrupt handler
from interfering with the unmask function.
This fixes modem crashes in some edge cases with the BAM-DMUX driver.
Specifically, the BAM-DMUX interrupt handler is not called for the
HIGH -> LOW smsm state transition if the BAM-DMUX driver is loaded
(and therefore unmasks the interrupt) after the modem was already started:
qcom-q6v5-mss 4080000.remoteproc: fatal error received: a2_task.c:3188:
Assert FALSE failed: A2 DL PER deadlock timer expired waiting for Apps ACK
Fixes: c97c4090ff72 ("soc: qcom: smsm: Add driver for Qualcomm SMSM")
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20210712135703.324748-2-stephan@gerhold.net
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0e00392a895c95c6d12d42158236c8862a2f43f2 ]
PME signaling is only enabled by __pci_enable_wake() if the target
device can signal PME from the given target power state (to avoid
pointless reconfiguration of the device), but if the hierarchy above
the device goes into D3cold, the device itself will end up in D3cold
too, so if it can signal PME from D3cold, it should be enabled to
do so in __pci_enable_wake().
[Note that if the device does not end up in D3cold and it cannot
signal PME from the original target power state, it will not signal
PME, so in that case the behavior does not change.]
Link: https://lore.kernel.org/linux-pm/3149540.aeNJFYEL58@kreacher/
Fixes: 5bcc2fb4e815 ("PCI PM: Simplify PCI wake-up code")
Reported-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reported-by: Utkarsh H Patel <utkarsh.h.patel@intel.com>
Reported-by: Koba Ko <koba.ko@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit da9f2150684ea684a7ddd6d7f0e38b2bdf43dcd8 ]
It is inconsistent to return PCI_D0 from pci_target_state() instead
of the original target state if 'wakeup' is true and the device
cannot signal PME from D0.
This only happens when the device cannot signal PME from the original
target state and any shallower power states (including D0) and that
case is effectively equivalent to the one in which PME singaling is
not supported at all. Since the original target state is returned in
the latter case, make the function do that in the former one too.
Link: https://lore.kernel.org/linux-pm/3149540.aeNJFYEL58@kreacher/
Fixes: 666ff6f83e1d ("PCI/PM: Avoid using device_may_wakeup() for runtime PM")
Reported-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reported-by: Utkarsh H Patel <utkarsh.h.patel@intel.com>
Reported-by: Koba Ko <koba.ko@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 09ea9719a423fc675d40dd05407165e161ea0c48 ]
Currently the call to find_format can potentially return a NULL to
fmt and the nullpointer is later dereferenced on the assignment of
pixmp->num_planes = fmt->num_planes. Fix this by adding a NULL pointer
check and returning NULL for the failure case.
Addresses-Coverity: ("Dereference null return")
Fixes: aaaa93eda64b ("[media] media: venus: venc: add video encoder files")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 6fa54bc713c262e1cfbc5613377ef52280d7311f ]
If em28xx_ir_init fails, it would decrease the refcount of dev. However,
in the em28xx_ir_fini, when ir is NULL, it goes to ref_put and decrease
the refcount of dev. This will lead to a refcount bug.
Fix this bug by removing the kref_put in the error handling code
of em28xx_ir_init.
refcount_t: underflow; use-after-free.
WARNING: CPU: 0 PID: 7 at lib/refcount.c:28 refcount_warn_saturate+0x18e/0x1a0 lib/refcount.c:28
Modules linked in:
CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.13.0 #3
Workqueue: usb_hub_wq hub_event
RIP: 0010:refcount_warn_saturate+0x18e/0x1a0 lib/refcount.c:28
Call Trace:
kref_put.constprop.0+0x60/0x85 include/linux/kref.h:69
em28xx_usb_disconnect.cold+0xd7/0xdc drivers/media/usb/em28xx/em28xx-cards.c:4150
usb_unbind_interface+0xbf/0x3a0 drivers/usb/core/driver.c:458
__device_release_driver drivers/base/dd.c:1201 [inline]
device_release_driver_internal+0x22a/0x230 drivers/base/dd.c:1232
bus_remove_device+0x108/0x160 drivers/base/bus.c:529
device_del+0x1fe/0x510 drivers/base/core.c:3540
usb_disable_device+0xd1/0x1d0 drivers/usb/core/message.c:1419
usb_disconnect+0x109/0x330 drivers/usb/core/hub.c:2221
hub_port_connect drivers/usb/core/hub.c:5151 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5440 [inline]
port_event drivers/usb/core/hub.c:5586 [inline]
hub_event+0xf81/0x1d40 drivers/usb/core/hub.c:5668
process_one_work+0x2c9/0x610 kernel/workqueue.c:2276
process_scheduled_works kernel/workqueue.c:2338 [inline]
worker_thread+0x333/0x5b0 kernel/workqueue.c:2424
kthread+0x188/0x1d0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Reported-by: Dongliang Mu <mudongliangabcd@gmail.com>
Fixes: ac5688637144 ("media: em28xx: Fix possible memory leak of em28xx struct")
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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brightness is set
[ Upstream commit 64f67b5240db79eceb0bd57dae8e591fd3103ba0 ]
Some 2-in-1s with a detachable (USB) keyboard(dock) have mute-LEDs in
the speaker- and/or mic-mute keys on the keyboard.
Examples of this are the Lenovo Thinkpad10 tablet (with its USB kbd-dock)
and the HP x2 10 series.
The detachable nature of these keyboards means that the keyboard and
thus the mute LEDs may show up after the user (or userspace restoring
old mixer settings) has muted the speaker and/or mic.
Current LED-class devices with a default_trigger of "audio-mute" or
"audio-micmute" initialize the brightness member of led_classdev with
ledtrig_audio_get() before registering the LED.
This makes the software state after attaching the keyboard match the
actual audio mute state, e.g. cat /sys/class/leds/foo/brightness will
show the right value.
But before this commit nothing was actually calling the led_classdev's
brightness_set[_blocking] callback so the value returned by
ledtrig_audio_get() was never actually being sent to the hw, leading
to the mute LEDs staying in their default power-on state, after
attaching the keyboard, even if ledtrig_audio_get() returned a different
state.
This could be fixed by having the individual LED drivers call
brightness_set[_blocking] themselves after registering the LED,
but this really is something which should be done by a led-trigger
activate callback.
Add an activate callback for this, fixing the issue of the
mute LEDs being out of sync after (re)attaching the keyboard.
Cc: Takashi Iwai <tiwai@suse.de>
Fixes: faa2541f5b1a ("leds: trigger: Introduce audio mute LED trigger")
Reviewed-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 7e1baaaa2407a642ea19b58e214fab9a69cda1d7 ]
device_get_next_child_node() bumps a reference counting of a returned variable.
We have to balance it whenever we return to the caller.
Fixes: 8cd7d6daba93 ("leds: lt3593: Add device tree probing glue")
Cc: Daniel Mack <daniel@zonque.org>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f16a3bb69aa6baabf8f0aca982c8cf21e2a4f6bc ]
The driver is written as if platform_get_irq() returns 0 on errors (while
actually it returns a negative error code), blithely passing these error
codes to request_irq() (which takes *unsigned* IRQ #) -- which fails with
-EINVAL. Add the necessary error check to the pre-existing *if* statement
forcing the driver into the polling mode...
Fixes: 4ad48e6ab18c ("i2c: Renesas Highlander FPGA SMBus support")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit bcd68c04c7692416206414dc8971730aa140eba7 ]
The return value is missing in this code scenario, add the return value
'0' to the return value 'err'.
Eliminate the follow smatch warning:
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c:3083
mlx5_devlink_eswitch_inline_mode_set() warn: missing error code 'err'.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Fixes: 8e0aa4bc959c ("net/mlx5: E-switch, Protect eswitch mode changes")
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 5e23c98178eb1a2cdb7c4fee9a39baf8cabf282d ]
Make sure the FIFO_CLEAR bit is latched in when configuring the
controller, so that the FIFO is really cleared. And then clear
the FIFO_CLEAR bit, since it is not self-clearing.
Fixes: 45d59d704080 ("drm: Add new driver for MXSFB controller")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Daniel Abrecht <public@danielabrecht.ch>
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Stefan Agner <stefan@agner.ch>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com> # i.Core MX8MM
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210620224946.189524-1-marex@denx.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 9891cb54445bc65bf156bda416b6215048c7f617 ]
In case the DRAM is under high load, the MXSFB FIFO might underflow
and that causes visible artifacts. This could be triggered on i.MX8MM
using e.g. "$ memtester 128M" on a device with 1920x1080 panel. The
first "Stuck Address" test of the memtester will completely corrupt
the image on the panel and leave the MXSFB FIFO in odd state.
To avoid this underflow, increase number of outstanding requests to
DRAM from 2 to 16, which is the maximum. This mitigates the issue
and it can no longer be triggered.
Fixes: 45d59d704080 ("drm: Add new driver for MXSFB controller")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Daniel Abrecht <public@danielabrecht.ch>
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Stefan Agner <stefan@agner.ch>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210620224759.189351-1-marex@denx.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 0c9856e4edcdcac22d65618e8ceff9eb41447880 ]
There is some sort of corner case behavior of the controller,
which could rarely be triggered at least on i.MX6SX connected
to 800x480 DPI panel and i.MX8MM connected to DPI->DSI->LVDS
bridged 1920x1080 panel (and likely on other setups too), where
the image on the panel shifts to the right and wraps around.
This happens either when the controller is enabled on boot or
even later during run time. The condition does not correct
itself automatically, i.e. the display image remains shifted.
It seems this problem is known and is due to sporadic underflows
of the LCDIF FIFO. While the LCDIF IP does have underflow/overflow
IRQs, neither of the IRQs trigger and neither IRQ status bit is
asserted when this condition occurs.
All known revisions of the LCDIF IP have CTRL1 RECOVER_ON_UNDERFLOW
bit, which is described in the reference manual since i.MX23 as
"
Set this bit to enable the LCDIF block to recover in the next
field/frame if there was an underflow in the current field/frame.
"
Enable this bit to mitigate the sporadic underflows.
Fixes: 45d59d704080 ("drm: Add new driver for MXSFB controller")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Daniel Abrecht <public@danielabrecht.ch>
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Stefan Agner <stefan@agner.ch>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210620224701.189289-1-marex@denx.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 26ab7b384525ccfa678c518577f7f0d841209c8b ]
This commit does a cleanup in LRO configuration.
LRO is a parameter of an RQ, but its state is changed by modifying a TIR
related to the RQ.
The current status: LRO for tunneled packets is not supported in the
driver, inner TIRs may enable LRO on creation, but LRO status of inner
TIRs isn't changed in mlx5e_modify_tirs_lro(). This is inconsistent, but
as long as the firmware doesn't declare support for tunneled LRO, it
works, because the same RQs are shared between the inner and outer TIRs.
This commit does two fixes:
1. If the firmware has the tunneled LRO capability, LRO is blocked
altogether, because it's not possible to block it for inner TIRs only,
when the same RQs are shared between inner and outer TIRs, and the
driver won't be able to handle tunneled LRO traffic.
2. mlx5e_modify_tirs_lro() is patched to modify LRO state for all TIRs,
including inner ones, because all TIRs related to an RQ should agree on
their LRO state.
Fixes: 7b3722fa9ef6 ("net/mlx5e: Support RSS for GRE tunneled packets")
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 9c43f3865c2a03be104f1c1d5e9129c2a2bdba88 ]
TIR's rx_hash_field_selector_inner can be enabled only when
tunneled_offload_en = 1. tunneled_offload_en is filled according to the
tunneled_offload_en field in struct mlx5e_params, which is false in the
IPoIB profile. On the other hand, the IPoIB profile passes inner_ttc =
true to mlx5e_create_indirect_tirs, which potentially allows the latter
function to attempt to create inner indirect TIRs without having
tunneled_offload_en set.
This commit prohibits this behavior by passing inner_ttc = false to
mlx5e_create_indirect_tirs. The latter function won't attempt to create
inner indirect TIRs.
As inner indirect TIRs are not created in the IPoIB profile (this commit
blocks it explicitly, and even before they would have failed to be
created), the call to mlx5e_create_inner_ttc_table in
mlx5i_create_flow_steering is a no-op and can be removed.
Fixes: 46dc933cee82 ("net/mlx5e: Provide explicit directive if to create inner indirect tirs")
Fixes: 458821c72bd0 ("net/mlx5e: IPoIB, Add inner TTC table to IPoIB flow steering")
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit aff890288de2d818e4f83ec40c9315e2d735df07 ]
Devices created by mfd_add_hotplug_devices() don't really increase the
index of its name, so get_mfd_cell_dev() cannot find any device, hence a
NULL dev is passed to pm_genpd_add_device():
[ 56.974926] (NULL device *): amdgpu: device acp_audio_dma.0.auto added to pm domain
[ 56.974933] (NULL device *): amdgpu: Failed to add dev to genpd
[ 56.974941] [drm:amdgpu_device_ip_init [amdgpu]] *ERROR* hw_init of IP block <acp_ip> failed -22
[ 56.975810] amdgpu 0000:00:01.0: amdgpu: amdgpu_device_ip_init failed
[ 56.975839] amdgpu 0000:00:01.0: amdgpu: Fatal error during GPU init
[ 56.977136] ------------[ cut here ]------------
[ 56.977143] kernel BUG at mm/slub.c:4206!
[ 56.977158] invalid opcode: 0000 [#1] SMP NOPTI
[ 56.977167] CPU: 1 PID: 1648 Comm: modprobe Not tainted 5.12.0-051200rc8-generic #202104182230
[ 56.977175] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./FM2A68M-HD+, BIOS P5.20 02/13/2019
[ 56.977180] RIP: 0010:kfree+0x3bf/0x410
[ 56.977195] Code: 89 e7 48 d3 e2 f7 da e8 5f 0d 02 00 80 e7 02 75 3e 44 89 ee 4c 89 e7 e8 ef 5f fd ff e9 fa fe ff ff 49 8b 44 24 08 a8 01 75 b7 <0f> 0b 4c 8b 4d b0 48 8b 4d a8 48 89 da 4c 89 e6 41 b8 01 00 00 00
[ 56.977202] RSP: 0018:ffffa48640ff79f0 EFLAGS: 00010246
[ 56.977210] RAX: 0000000000000000 RBX: ffff9286127d5608 RCX: 0000000000000000
[ 56.977215] RDX: 0000000000000000 RSI: ffffffffc099d0fb RDI: ffff9286127d5608
[ 56.977220] RBP: ffffa48640ff7a48 R08: 0000000000000001 R09: 0000000000000001
[ 56.977224] R10: 0000000000000000 R11: ffff9286087d8458 R12: fffff3ae0449f540
[ 56.977229] R13: 0000000000000000 R14: dead000000000122 R15: dead000000000100
[ 56.977234] FS: 00007f9de5929540(0000) GS:ffff928612e80000(0000) knlGS:0000000000000000
[ 56.977240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 56.977245] CR2: 00007f697dd97160 CR3: 00000001110f0000 CR4: 00000000001506e0
[ 56.977251] Call Trace:
[ 56.977261] amdgpu_dm_encoder_destroy+0x1b/0x30 [amdgpu]
[ 56.978056] drm_mode_config_cleanup+0x4f/0x2e0 [drm]
[ 56.978147] ? kfree+0x3dd/0x410
[ 56.978157] ? drm_managed_release+0xc8/0x100 [drm]
[ 56.978232] drm_mode_config_init_release+0xe/0x10 [drm]
[ 56.978311] drm_managed_release+0x9d/0x100 [drm]
[ 56.978388] devm_drm_dev_init_release+0x4d/0x70 [drm]
[ 56.978450] devm_action_release+0x15/0x20
[ 56.978459] release_nodes+0x77/0xc0
[ 56.978469] devres_release_all+0x3f/0x50
[ 56.978477] really_probe+0x245/0x460
[ 56.978485] driver_probe_device+0xe9/0x160
[ 56.978492] device_driver_attach+0xab/0xb0
[ 56.978499] __driver_attach+0x8f/0x150
[ 56.978506] ? device_driver_attach+0xb0/0xb0
[ 56.978513] bus_for_each_dev+0x7e/0xc0
[ 56.978521] driver_attach+0x1e/0x20
[ 56.978528] bus_add_driver+0x135/0x1f0
[ 56.978534] driver_register+0x91/0xf0
[ 56.978540] __pci_register_driver+0x54/0x60
[ 56.978549] amdgpu_init+0x77/0x1000 [amdgpu]
[ 56.979246] ? 0xffffffffc0dbc000
[ 56.979254] do_one_initcall+0x48/0x1d0
[ 56.979265] ? kmem_cache_alloc_trace+0x120/0x230
[ 56.979274] ? do_init_module+0x28/0x280
[ 56.979282] do_init_module+0x62/0x280
[ 56.979288] load_module+0x71c/0x7a0
[ 56.979296] __do_sys_finit_module+0xc2/0x120
[ 56.979305] __x64_sys_finit_module+0x1a/0x20
[ 56.979311] do_syscall_64+0x38/0x90
[ 56.979319] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 56.979328] RIP: 0033:0x7f9de54f989d
[ 56.979335] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c3 f5 0c 00 f7 d8 64 89 01 48
[ 56.979342] RSP: 002b:00007ffe3c395a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 56.979350] RAX: ffffffffffffffda RBX: 0000560df3ef4330 RCX: 00007f9de54f989d
[ 56.979355] RDX: 0000000000000000 RSI: 0000560df3a07358 RDI: 000000000000000f
[ 56.979360] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000000000000000
[ 56.979365] R10: 000000000000000f R11: 0000000000000246 R12: 0000560df3a07358
[ 56.979369] R13: 0000000000000000 R14: 0000560df3ef4460 R15: 0000560df3ef4330
[ 56.979377] Modules linked in: amdgpu(+) iommu_v2 gpu_sched drm_ttm_helper ttm drm_kms_helper cec rc_core i2c_algo_bit fb_sys_fops syscopyarea sysfillrect sysimgblt nft_counter xt_tcpudp ipt_REJECT nf_reject_ipv4 xt_conntrack iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables libcrc32c nfnetlink ip6_tables iptable_filter bpfilter input_leds binfmt_misc edac_mce_amd kvm_amd ccp kvm snd_hda_codec_realtek snd_hda_codec_generic crct10dif_pclmul snd_hda_codec_hdmi ledtrig_audio ghash_clmulni_intel aesni_intel snd_hda_intel snd_intel_dspcfg snd_seq_midi crypto_simd snd_intel_sdw_acpi cryptd snd_hda_codec snd_seq_midi_event snd_rawmidi snd_hda_core snd_hwdep snd_seq fam15h_power k10temp snd_pcm snd_seq_device snd_timer snd mac_hid soundcore sch_fq_codel nct6775 hwmon_vid drm ip_tables x_tables autofs4 dm_mirror dm_region_hash dm_log hid_generic usbhid hid uas usb_storage r8169 crc32_pclmul realtek ahci xhci_pci i2c_piix4
[ 56.979521] xhci_pci_renesas libahci video
[ 56.979541] ---[ end trace cb8f6a346f18da7b ]---
Instead of finding MFD hotplugged device by its name, simply iterate
over the child devices to avoid the issue.
Squash in unused variable removal (Alex)
BugLink: https://bugs.launchpad.net/bugs/1920674
Fixes: 25030321ba28 ("drm/amd: add pm domain for ACP IP sub blocks")
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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