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The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed.
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
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divider_determine_rate()
The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: 0f9cf96a01fd ("clk: zynqmp: divider: convert from round_rate() to determine_rate()")
Signed-off-by: Brian Masney <bmasney@redhat.com>
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The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: f7a6bed91a19 ("clk: x86: cgu: convert from round_rate() to determine_rate()")
Signed-off-by: Brian Masney <bmasney@redhat.com>
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The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: 9e3372b2ebac ("clk: versaclock3: convert from round_rate() to determine_rate()")
Signed-off-by: Brian Masney <bmasney@redhat.com>
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divider_determine_rate()
The divider_round_rate_parent() function is now deprecated, so let's
migrate to divider_determine_rate() instead so that this deprecated API
can be removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: cd1cb38836c0 ("clk: stm32: stm32-core: convert from round_rate() to determine_rate()")
Signed-off-by: Brian Masney <bmasney@redhat.com>
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divider_ro_determine_rate()
The divider_ro_round_rate() function is now deprecated, so let's migrate
to divider_ro_determine_rate() instead so that this deprecated API can
be removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: cd1cb38836c0 ("clk: stm32: stm32-core: convert from round_rate() to determine_rate()")
Signed-off-by: Brian Masney <bmasney@redhat.com>
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The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: deb4740a5ff8 ("clk: sprd: div: convert from round_rate() to determine_rate()")
Signed-off-by: Brian Masney <bmasney@redhat.com>
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divider_determine_rate()
The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Note that this commit also removes a debugging message that's not really
needed.
Fixes: 9a3b6993613d ("clk: sophgo: sg2042-clkgen: convert from round_rate() to determine_rate()")
Tested-by: Chen Wang <unicorn_wang@outlook.com>
Reviewed-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
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The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: 0879768df240 ("clk: nxp: lpc32xx: convert from round_rate() to determine_rate()")
Tested-by: Vladimir Zapolskiy <vz@mleia.com>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Brian Masney <bmasney@redhat.com>
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divider_determine_rate()
The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: 215f8aa095a1 ("clk: nuvoton: ma35d1-divider: convert from round_rate() to determine_rate()")
Signed-off-by: Brian Masney <bmasney@redhat.com>
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The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: 7b45988fcf78 ("clk: milbeaut: convert from round_rate() to determine_rate()")
Signed-off-by: Brian Masney <bmasney@redhat.com>
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divider_ro_determine_rate()
The divider_ro_round_rate() function is now deprecated, so let's migrate
to divider_ro_determine_rate() instead so that this deprecated API can
be removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: fe67c682f91c ("clk: milbeaut: convert from divider_round_rate() to divider_determine_rate()")
Signed-off-by: Brian Masney <bmasney@redhat.com>
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The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: bb40a2ef4fc9 ("clk: loongson1: convert from round_rate() to determine_rate()")
Reviewed-by: Keguang Zhang <keguang.zhang@gmail.com>
Tested-by: Keguang Zhang <keguang.zhang@gmail.com> # on LS1B & LS1C
Signed-off-by: Brian Masney <bmasney@redhat.com>
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divider_determine_rate()
The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: 619a6210f398 ("clk: hisilicon: clkdivider-hi6220: convert from round_rate() to determine_rate()")
Signed-off-by: Brian Masney <bmasney@redhat.com>
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The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: 64613d7fb42f ("clk: bm1880: convert from round_rate() to determine_rate()")
Acked-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Brian Masney <bmasney@redhat.com>
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The divider_ro_round_rate() function is now deprecated, so let's migrate
to divider_ro_determine_rate() instead so that this deprecated API can
be removed.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: cf1d95fa0c64 ("clk: bm1880: convert from divider_round_rate() to divider_determine_rate()")
Acked-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Brian Masney <bmasney@redhat.com>
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divider_determine_rate()
The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed. Additionally, owl_divider_helper_round_rate() is no longer used,
so let's drop that from the header file as well.
Note that when the main function itself was migrated to use
determine_rate, this was mistakenly converted to:
req->rate = divider_round_rate(...)
This is invalid in the case when an error occurs since it can set the
rate to a negative value.
Fixes: 1b04e12a8bcc ("clk: actions: owl-divider: convert from round_rate() to determine_rate()")
Acked-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Brian Masney <bmasney@redhat.com>
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divider_determine_rate()
owl_divider_helper_round_rate() is just a wrapper for
divider_round_rate(), which is deprecated. Let's migrate to
divider_determine_rate() instead so that this deprecated API can be
removed.
Acked-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Brian Masney <bmasney@redhat.com>
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divider_determine_rate()
The divider_round_rate_parent() function is now deprecated, so let's
migrate to divider_determine_rate() instead so that this deprecated API
can be removed. Also go ahead and convert all of the driver from round
rate type to determine rate that accepts a 'struct clk_rate_request' to
simplify the overall driver code.
Acked-by: Chen-Yu Tsai <wens@kernel.org>
Signed-off-by: Brian Masney <bmasney@redhat.com>
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divider_determine_rate()
The divider_round_rate() function is now deprecated, so let's migrate
to divider_determine_rate() instead so that this deprecated API can be
removed. Also go ahead and convert all of the driver from round rate
type to determine rate that accepts a 'struct clk_rate_request' to
simplify the overall driver code.
Signed-off-by: Brian Masney <bmasney@redhat.com>
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Add device tree support to the CMDQV driver to enable usage on Tegra264
SoCs. The implementation parses the nvidia,cmdqv phandle from the SMMU
device tree node to associate each SMMU with its corresponding CMDQV
instance based on compatible string.
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Ashish Mhetre <amhetre@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Will Deacon <will@kernel.org>
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A platform device is created by acpi_create_platform_device() per CMDQV's
adev. That means there is no point in going through _CRS of ACPI.
Replace all the ACPI functions with standard platform functions. And drop
all ACPI dependencies. This will make the driver compatible with DT also.
Suggested-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Will Deacon <will@kernel.org>
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Commit 0b4eeee2876f ("iommu/arm-smmu-qcom: Register the TBU driver in
qcom_smmu_impl_init") intended to also probe the TBU driver when
CONFIG_ARM_SMMU_QCOM_DEBUG is disabled, but also moved the corresponding
platform_driver_register() call into qcom_smmu_impl_init() which is
called from arm_smmu_device_probe().
However, it neither makes sense to register drivers from probe()
callbacks of other drivers, nor does the driver core allow registering
drivers with a device lock already being held.
The latter was revealed by commit dc23806a7c47 ("driver core: enforce
device_lock for driver_match_device()") leading to a deadlock condition
described in [1].
Additionally, it was noted by Robin that the current approach is
potentially racy with async probe [2].
Hence, fix this by registering the qcom_smmu_tbu_driver from
module_init(). Unfortunately, due to the vendoring of the driver, this
requires an indirection through arm-smmu-impl.c.
Reported-by: Mark Brown <broonie@kernel.org>
Closes: https://lore.kernel.org/lkml/7ae38e31-ef31-43ad-9106-7c76ea0e8596@sirena.org.uk/
Link: https://lore.kernel.org/lkml/DFU7CEPUSG9A.1KKGVW4HIPMSH@kernel.org/ [1]
Link: https://lore.kernel.org/lkml/0c0d3707-9ea5-44f9-88a1-a65c62e3df8d@arm.com/ [2]
Fixes: dc23806a7c47 ("driver core: enforce device_lock for driver_match_device()")
Fixes: 0b4eeee2876f ("iommu/arm-smmu-qcom: Register the TBU driver in qcom_smmu_impl_init")
Acked-by: Robin Murphy <robin.murphy@arm.com>
Tested-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Acked-by: Konrad Dybcio <konradybcio@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: Ioana Ciornei <ioana.ciornei@nxp.com> #LX2160ARDB
Tested-by: Wang Jiayue <akaieurus@gmail.com>
Reviewed-by: Wang Jiayue <akaieurus@gmail.com>
Tested-by: Mark Brown <broonie@kernel.org>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Link: https://patch.msgid.link/20260121141215.29658-1-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
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Previously, bcache hijacked the bi_end_io and bi_private fields of
the incoming bio when the backing device was in a detached state.
This is fragile and breaks if the bio is needed to be processed by
other layers.
This patch transitions to using a cloned bio embedded within a private
structure. This ensures the original bio's metadata remains untouched.
Fixes: 53280e398471 ("bcache: fix improper use of bi_end_io")
Co-developed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Shida Zhang <zhangshida@kylinos.cn>
Acked-by: Coly Li <colyli@fnnas.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The ACTLR configuration for the sa8775p MDSS client was inadvertently
dropped while reworking the commit f91879fdf70b ("iommu/arm-smmu-qcom:
Add actlr settings for mdss on Qualcomm platforms"). Without this
entry, the sa8775p MDSS block does not receive the intended default
ACTLR configuration.
Restore the missing compatible entry so that the platform receives the
expected behavior.
Fixes: f91879fdf70b ("iommu/arm-smmu-qcom: Add actlr settings for mdss on Qualcomm platforms")
Signed-off-by: Bibek Kumar Patro <bibek.patro@oss.qualcomm.com>
Signed-off-by: Will Deacon <will@kernel.org>
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Add Intel Nova Lake-S LPSS PCI IDs.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20260113172151.48062-1-ilpo.jarvinen@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
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There is a PCI API to access device resources. Use it instead of
direct accesses.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://patch.msgid.link/20251030113735.3741913-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
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The mixing of managed and non-managed resources may lead to possible
use-after-free bugs. In this driver the problematic part is the device
functionality that may just have gone behind the functions back, e.g.,
when interrupt is being served. Fix this by switching to managed resources
for PCI.
Fixes: 91a3e1f5453a ("mfd: ls2kbmc: Check for devm_mfd_add_devices() failure")
Fixes: d952bba3fbb5 ("mfd: ls2kbmc: Add Loongson-2K BMC reset function support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://patch.msgid.link/20251030113735.3741913-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Since commit c6e126de43e7 ("of: Keep track of populated platform
devices") child devices will not be created by of_platform_populate()
if the devices had previously been deregistered individually so that the
OF_POPULATED flag is still set in the corresponding OF nodes.
Switch to using of_platform_depopulate() instead of open coding so that
the child devices are created if the driver is rebound.
Fixes: c6e126de43e7 ("of: Keep track of populated platform devices")
Cc: stable@vger.kernel.org # 3.16
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Andreas Kemnade <andreas@kemnade.info>
Link: https://patch.msgid.link/20251219110714.23919-1-johan@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Since commit c6e126de43e7 ("of: Keep track of populated platform
devices") child devices will not be created by of_platform_populate()
if the devices had previously been deregistered individually so that the
OF_POPULATED flag is still set in the corresponding OF nodes.
Switch to using of_platform_depopulate() instead of open coding so that
the child devices are created if the driver is rebound.
Fixes: c6e126de43e7 ("of: Keep track of populated platform devices")
Cc: stable@vger.kernel.org # 3.16
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://patch.msgid.link/20251219110947.24101-1-johan@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Add the TS133 compatible and affiliated driver data to qnap-mcu.
The TS133 is mostly similar to the TS233/TS433, except only having
one drive and no USB-LED.
The fan pwm-limits from the vendor-configuration also are the same
as for the TS233/TS433 variants.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patch.msgid.link/20260104173310.2685852-3-heiko@sntech.de
Signed-off-by: Lee Jones <lee@kernel.org>
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For the S2MPG10 IRQ and chained IRQ, regmap IRQ will try to create a
folder with the same name which is impossible and fails with:
debugfs: ':firmware:power-management:pmic' already exists in 'domains'
Add domain_suffix to the chained IRQ chip driver to fix it.
Fixes: ee19b52c31b3 ("mfd: sec: Use chained IRQs for s2mpg10")
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260105-s2mpg10-chained-irq-domain-suffix-v1-1-01ab16204b97@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Delta TN48M switches have a Lattice CPLD that serves
multiple purposes including being a GPIO expander.
So, lets use the simple I2C MFD driver to provide the MFD core.
Also add a virtual symbol which pulls in the simple-mfd-i2c driver and
provide a common symbol on which the subdevice drivers can depend on.
Fixes: b3dcb5de6209 ("gpio: Add Delta TN48M CPLD GPIO driver")
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/20220131133049.77780-2-robert.marko@sartura.hr
Link: https://lore.kernel.org/linux-gpio/20260112064950.3837737-1-rdunlap@infradead.org/
Signed-off-by: Linus Walleij <linusw@kernel.org>
Link: https://patch.msgid.link/20260112-mfd-tn48m-v11-1-00c798d8cd2a@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Initialize struct apple_smc's mutex in apple_smc_probe(). Using the
mutex uninitialized surprisingly resulted only in occasional NULL
pointer dereferences in apple_smc_read() calls from the probe()
functions of sub devices.
Cc: stable@vger.kernel.org
Fixes: e038d985c9823 ("mfd: Add Apple Silicon System Management Controller")
Signed-off-by: Janne Grunau <j@jannau.net>
Reviewed-by: Sven Peter <sven@kernel.org>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Link: https://patch.msgid.link/20251231-macsmc-mutex_init-v2-1-5818c9dc9b29@jannau.net
Signed-off-by: Lee Jones <lee@kernel.org>
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The default value of the P1 sub-device depends on the value
of P1, so P1 should have a default value here.
Signed-off-by: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Acked-by: Alex Elder <elder@riscstar.com>
Link: https://patch.msgid.link/20251225-p1-kconfig-fix-v4-2-44b6728117c1@linux.spacemit.com
Signed-off-by: Lee Jones <lee@kernel.org>
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The AXP717 has some extra registers related to type-C CC pin
negotiation. They were missing from the original submission.
Add them for completeness.
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20251225080241.3153453-1-wens@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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of_node_get() returns the same pointer it received and canonical form of
storing device_node is to use of_node_get() in the assignment.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20251224124456.208529-4-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Use scoped for-each loop when iterating over device nodes to make code a
bit simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20251224124456.208529-3-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Lee Jones <lee@kernel.org>
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The TPS65214 PMIC variant has a LOCK_REG register that prevents writes to
nearly all registers when locked. Unlock the registers at probe time and
leave them unlocked permanently.
This approach is justified because:
- Register locking is very uncommon in typical system operation
- No code path is expected to lock the registers during runtime
- Adding a custom regmap write function would add overhead to every
register write, including voltage changes triggered by CPU OPP
transitions from the cpufreq governor which could happen quite
frequently
Cc: stable@vger.kernel.org
Fixes: 7947219ab1a2d ("mfd: tps65219: Add support for TI TPS65214 PMIC")
Reviewed-by: Andrew Davis <afd@ti.com>
Signed-off-by: Kory Maincent (TI.com) <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20251218-fix_tps65219-v5-1-8bb511417f3a@bootlin.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Add compatible for sama7d65 XLCD controller.
Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com>
Signed-off-by: Manikandan Muralidharan <manikandan.m@microchip.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://patch.msgid.link/20251218040521.463937-2-manikandan.m@microchip.com
Signed-off-by: Lee Jones <lee@kernel.org>
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irqd_get_trigger_type() is meant for cases where the driver needs to
know the configured IRQ trigger type and e.g. wants to change its
behaviour accordingly. Furthermore, platform support code, e.g. DT
handling, will configure the hardware based on that, and drivers don't
need to pass the trigger type into request_irq() and friends.
Drop the use from this driver, as it doesn't need to know the trigger
type.
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20251217-max77759-mfd-irq-trigger-v1-1-e7d29f84d34f@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Add the new SMC input function to the mfd device
Signed-off-by: James Calligeros <jcalligeros99@gmail.com>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Link: https://patch.msgid.link/20251215-macsmc-subdevs-v6-5-0518cb5f28ae@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Add the SMC hwmon functionality to the mfd device
Signed-off-by: James Calligeros <jcalligeros99@gmail.com>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Link: https://patch.msgid.link/20251215-macsmc-subdevs-v6-3-0518cb5f28ae@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
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Add the new SMC RTC function to the mfd device
Signed-off-by: James Calligeros <jcalligeros99@gmail.com>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Link: https://patch.msgid.link/20251215-macsmc-subdevs-v6-2-0518cb5f28ae@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
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failure
The wm5102_clear_write_sequencer() helper may return an error
and just return, bypassing the cleanup sequence and causing
regulators to remain enabled, leading to a resource leak.
Change the direct return to jump to the err_reset label to
properly free the resources.
Fixes: 1c1c6bba57f5 ("mfd: wm5102: Ensure we always boot the device fully")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20251214145804.2037-1-vulab@iscas.ac.cn
Signed-off-by: Lee Jones <lee@kernel.org>
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Manipulating a list in the kernel isn't safe without some sort of
mutual exclusion. Add a mutex any time we access / modify
'mfd_of_node_list' to prevent possible crashes.
Cc: stable@vger.kernel.org
Fixes: 466a62d7642f ("mfd: core: Make a best effort attempt to match devices with the correct of_nodes")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patch.msgid.link/20251210113002.1.I6ceaca2cfb7eb25737012b166671f516696be4fd@changeid
Signed-off-by: Lee Jones <lee@kernel.org>
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As of commit c7fe3bbfd622b5ee ('mfd: core: Use of_property_read_reg() to
parse "reg"'), all code in mfd_match_of_node_to_dev() compiles fine when
CONFIG_OF is disabled. As the sole caller of this function is
protected by IS_ENABLED(CONFIG_OF), the #ifdef inside the function can
be removed to increase build coverage, without impacting code size.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/7b9a4a355c5da3fe812ead663285d05b64b84857.1764320964.git.geert+renesas@glider.be
Signed-off-by: Lee Jones <lee@kernel.org>
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This reverts commit 2e3378f6c79a1b3f7855ded1ef306ea4406352ed.
Almost every register in this chip can be customized via OTP
memory. Somehow the value for R19, which decide if the flag is set
on read or write operation, seems to have been overwritten for the chip
the original patch were written for.
Revert the change to follow the default behavior.
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Link: https://patch.msgid.link/20251124-da9052-revert-v1-1-fbeb2c894002@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
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'ib-mfd-regulator-6.20' and 'ib-mfd-rtc-6.20' into ibs-for-mfd-merged
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The function mtd_parser_tplink_safeloader_parse() allocates buf via
mtd_parser_tplink_safeloader_read_table(). If the allocation for
parts[idx].name fails inside the loop, the code jumps to the err_free
label without freeing buf, leading to a memory leak.
Fix this by freeing the temporary buffer buf in the err_free label.
Compile tested only. Issue found using a prototype static analysis tool
and code review.
Fixes: 00a3588084be ("mtd: parsers: add TP-Link SafeLoader partitions table parser")
Signed-off-by: Zilin Guan <zilin@seu.edu.cn>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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