Core changes:
- Add the devres devm_pinctrl_register_mappings() call that can
register some pin control machine mappings and have them go away
with the associated device.
New drivers:
- Support for the Mediatek MT6893 and MT8196 SoCs.
- Support for the Renesas RZ/V2N SoC.
- Support for the NXP Freescale i.MX943 SoC.
Improvements:
- Per-SoC suspend/resume callbacks in the Samsung drivers.
- Set all pins as input (High-Z) at probe in the MCP23S08 driver.
- Switch most GPIO chips to use the setters/getters with a return
value.
- EGPIO support in the Qualcomm QCM2290 driver.
- Fix up the number of available GPIO lines in Qualcomm QCS8300
and QCS615.
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Merge tag 'pinctrl-v6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"An especially linear and sparse improvement and new drivers release.
Nothing exciting. The biggest change in Bartosz changes to make
gpiochip set/get calls return error codes (something we should have
fixed ages ago but is now finally getting fixed.)
Core changes:
- Add the devres devm_pinctrl_register_mappings() call that can
register some pin control machine mappings and have them go away
with the associated device
New drivers:
- Support for the Mediatek MT6893 and MT8196 SoCs
- Support for the Renesas RZ/V2N SoC
- Support for the NXP Freescale i.MX943 SoC
Improvements:
- Per-SoC suspend/resume callbacks in the Samsung drivers
- Set all pins as input (High-Z) at probe in the MCP23S08 driver
- Switch most GPIO chips to use the setters/getters with a return
value
- EGPIO support in the Qualcomm QCM2290 driver
- Fix up the number of available GPIO lines in Qualcomm QCS8300 and
QCS615"
* tag 'pinctrl-v6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (82 commits)
pinctrl: freescale: Add support for imx943 pinctrl
pinctrl: core: add devm_pinctrl_register_mappings()
pinctrl: remove extern specifier for functions in machine.h
pinctrl: mediatek: eint: Fix invalid pointer dereference for v1 platforms
pinctrl: freescale: Enable driver if platform is enabled.
pinctrl: freescale: Depend imx-scu driver on OF
pinctrl: armada-37xx: propagate error from armada_37xx_pmx_set_by_name()
pinctrl: armada-37xx: propagate error from armada_37xx_gpio_get_direction()
pinctrl: armada-37xx: propagate error from armada_37xx_pmx_gpio_set_direction()
pinctrl: armada-37xx: propagate error from armada_37xx_gpio_get()
pinctrl: armada-37xx: propagate error from armada_37xx_gpio_direction_output()
pinctrl: armada-37xx: set GPIO output value before setting direction
pinctrl: armada-37xx: use correct OUTPUT_VAL register for GPIOs > 31
pinctrl: meson: Drop unused aml_pctl_find_group_by_name()
pinctrl: at91: Fix possible out-of-boundary access
pinctrl: add stubs for OF-specific pinconf functions
pinctrl: qcom: correct the ngpios entry for QCS8300
pinctrl: qcom: correct the ngpios entry for QCS615
dt-bindings: pinctrl: qcom: correct gpio-ranges in examples for qcs8300
dt-bindings: pinctrl: qcom: correct gpio-ranges in examples for qcs615
...
The i.MX943 System Manager (SM) firmware supports the System Control
Management Interface (SCMI) pinctrl protocol, similar to the i.MX95 SM.
The base offset for the i.MX943 IOMUXC Daisy input register differs from
that of the i.MX95. Update the pinctrl-imx-scmi driver to add support for
i.MX943.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/20250516100423.1685732-1-ping.bai@nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The pinctrl drivers are not enabled in defconfig. Instead of listing
each driver in the defconfig, enable then by default if the platform/soc
support is enabled as well.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Acked-by: Esben Haabendal <esben@geanix.com>
Link: https://lore.kernel.org/20250514131342.755840-2-alexander.stein@ew.tq-group.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Although the driver itself does not depend on OF itself, it selects
PINCTRL_IMX which depends on OF. So only select PINCTRL_IMX if OF is
already selected to ensure dependencies are met.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/20250514131342.755840-1-alexander.stein@ew.tq-group.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Currently if no group is matched and found, this function will return
the last grp to the caller, this is not expected, it is supposed to
return NULL in this case.
Fixes: e566fc11ea ("pinctrl: imx: use generic pinctrl helpers for managing groups")
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/20250327031600.99723-1-hui.wang@canonical.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The use of of_property_read_bool() for non-boolean properties is
deprecated in favor of of_property_present() when testing for property
presence.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/20241104194437.327430-1-robh@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since commit 0166dc11be ("of: make CONFIG_OF user selectable"), OF
can be enabled on all architectures. Therefore depending on
COMPILE_TEST as an alternative is no longer needed.
As ARM_SCMI_PROTOCOL already depends on COMPILE_TEST, we also don't
need to add COMPILE_TEST as an alternative dependency for it.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: https://lore.kernel.org/20241022134017.172411db@endymion.delvare
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The "PC" define is colliding with the (apparently broadcased)
define for "program counter" on Loongarch, so let's rename all
these 2-letter defines so they don't collide with stuff.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202410020940.wGISlWfV-lkp@intel.com/
Fixes: a55222b7a1 ("pinctrl: freescale: enable use with COMPILE_TEST")
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This aligns with the use of SOC_IMX* as dependencies for all the other
mach-imx pinctrl drivers. Enabling i.MX RT pinctrl drivers for a kernel
with out i.MX RT SOC support is pointless.
Signed-off-by: Esben Haabendal <esben@geanix.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/20240506-imx-pinctrl-optional-v2-2-bdff75085156@geanix.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Making pinctrl drivers and subsequently the pinctrl framework
user-controllable, allows building a kernel without this.
While in many (most) cases, this could make the system unbootable, it
does allow building smaller kernels for those situations where picntrl
is not needed.
One such situation is when building a kernel for NXP LS1021A systems,
which does not have run-time controllable pinctrl, so pinctrl framework
and drivers are 100% dead-weight.
Signed-off-by: Esben Haabendal <esben@geanix.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/20240506-imx-pinctrl-optional-v2-1-bdff75085156@geanix.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Let the kmemdup_array() take care about multiplication
and possible overflows.
Signed-off-by: Shen Lichuan <shenlichuan@vivo.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/20240823105421.50017-1-shenlichuan@vivo.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Replace SET_LATE_SYSTEM_SLEEP_PM_OPS() with its modern
LATE_SYSTEM_SLEEP_PM_OPS() alternative.
The combined usage of pm_sleep_ptr() and LATE_SYSTEM_SLEEP_PM_OPS() allows
the compiler to evaluate if the runtime suspend/resume() functions
are used at build time or are simply dead code.
This allows removing the __maybe_unused notation from the runtime
suspend/resume() functions.
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/20240808162750.244092-1-festevam@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Use scope based of_node_put() cleanup to simplify code.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/20240627131721.678727-4-peng.fan@oss.nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
of_get_next_child() will increase refcount of the returned node, need
use of_node_put() on it when done.
Per current implementation, 'child' will be override by
for_each_child_of_node(np, child), so use of_get_child_count to avoid
refcount leakage.
Fixes: 17723111e6 ("pinctrl: add pinctrl-mxs support")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/20240504-pinctrl-cleanup-v2-18-26c5f2dc1181@nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The generic pinctrl-scmi.c driver could not be used for i.MX95 because
i.MX95 SCMI firmware not supports functions, groups or generic
'Pin Configuration Type and Enumerations' listed in SCMI Specification.
i.MX95 System Control Management Interface(SCMI) firmware only supports
below pin configuration types which are OEM specific types:
192: PIN MUX
193: PIN CONF
194: DAISY ID
195: DAISY VAL
To Support fsl,pins property together with SCMI OEM protocol, add this
driver.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Link: https://lore.kernel.org/r/20240521-pinctrl-scmi-imx95-v1-3-9a1175d735fd@nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Convert drivers to use func member embedded in struct function_desc,
because other members will be removed to avoid duplication and
desynchronisation of the generic pin function description.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240530085745.1539925-8-andy.shevchenko@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add MODULE_DEVICE_TABLE(), so the module could be properly autoloaded
based on the alias from of_device_id table. Pin controllers are
considered core components, so usually they are built-in, however these
can be built and used as modules on some generic kernel.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Message-ID: <20240411064614.7409-1-krzk@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Convert drivers to use grp member embedded in struct group_desc,
because other members will be removed to avoid duplication and
desynchronisation of the generic pin group description.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231211190321.307330-8-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The pins are allocated from the heap, but in order to pass
them as constant object, we need to use non-constant pointer.
Achieve this by using a temporary variable.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231129161459.1002323-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The 'fsl,mxs-gpio' property is not documented in gpio-mxs.yaml, but
the imx23 and imx28 dtsi describe the gpios as:
compatible = "fsl,imx28-gpio", "fsl,mxs-gpio";
This gives schema warnings like:
imx28-cfa10037.dtb: pinctrl@80018000: gpio@0:compatible: ['fsl,imx28-gpio', 'fsl,mxs-gpio'] is too long
from schema $id: http://devicetree.org/schemas/gpio/gpio-mxs.yaml#
"fsl,mxs-gpio" is only used inside pinctrl-mxs, but can be removed if
the compatible check is done against fsl,imx23-gpio and fsl,imx28-gpio.
Introduce is_mxs_gpio() and remove the need for "fsl,mxs-gpio".
Tested on a imx28-evk.
Signed-off-by: Fabio Estevam <festevam@denx.de>
Link: https://lore.kernel.org/r/20230928134321.438547-1-festevam@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Acked-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230714174901.4062397-1-robh@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The config passed in by pad wakeup is 1, when num_configs is 1,
Configuration [1] should not be fetched, which will be detected
by KASAN as a memory out of bounds condition. Modify to get
configs[1] when num_configs is 2.
Fixes: f60c9eac54 ("gpio: mxc: enable pad wakeup on i.MX8x platforms")
Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20230504233736.3766296-1-xiaolei.wang@windriver.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
No instance of "struct imx_pinctrl_soc_info" sets '.generic_pinconf =
true', so all of this is effectively dead code.
To make it easier to understand the actual code, remove all the unused
cruft. This effectively reverts a5cadbbb08 ("pinctrl: imx: add
generic pin config core support").
It was only in use by a single SOC (imx7ulp) for a few releases, and
the commit message of dbffda08f0 ("pinctrl: fsl: imx7ulp: change to
use imx legacy binding") suggests that it won't be used in the
future. Certainly no new user has appeared in 20+ releases, and should
the need arise, this can be dug out of git history again.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20230302072132.1051590-1-linux@rasmusvillemoes.dk
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Defines prefixed with "CONFIG" should be limited to proper Kconfig options,
that are introduced in a Kconfig file.
Here, expressions to convert pin configurations to booleans for pull-up,
voltage and mA are macro definitions that begin with "CONFIG".
To avoid defines prefixed with "CONFIG", rename these defines to begin with
"PIN_CONFIG" instead.
No functional change.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20221215092128.3954-1-lukas.bulwahn@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The pad names for the i.MXRT1050 were incorrect. Fix them.
Cc: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
Link: https://lore.kernel.org/r/20221107071511.2764628-7-Mr.Bossman075@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
add the logic to configure the pad wakeup function via
the pin_config_set handler.
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20221027130859.1444412-5-shenwei.wang@nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Do not imply that some of the generic headers may be always included.
Instead, include explicitly what we are direct user of.
While at it, sort headers alphabetically.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
PINCTRL_IMX depends on OF, however the dependency is missed when selected
by PINCTRL_IMX8M* (it does not follow the indirect 'select' statements),
select it explicitly.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/all/202209050605.fezJUgFH-lkp@intel.com/
Fixes: 87c2a29a6b ("pinctrl: imx8m: kconfig: Depends on SOC_IMX8M")
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Link: https://lore.kernel.org/r/20220905224408.346425-1-francesco.dolcini@toradex.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Change PINCTRL_IMX8M* dependency from just ARCH_MXC to SOC_IMX8M,
likewise is done for other PINCTRL_IMX* kconfig. This avoid polluting
the config when SOC_IMX8M is not enabled.
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20220830142727.313080-1-francesco.dolcini@toradex.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Core changes:
- Add PINCTRL_PINGROUP() helper macro (and use it in the AMD driver).
New drivers:
- Intel Meteor Lake support.
- Reneasas RZ/V2M and r8a779g0 (R-Car V4H).
- AXP209 variants AXP221, AXP223 and AXP809.
- Qualcomm MSM8909, PM8226, PMP8074 and SM6375.
- Allwinner D1.
Improvements:
- Proper pin multiplexing in the AMD driver.
- Mediatek MT8192 can use generic drive strength and pin
bias, then fixes on top plus some I2C pin group fixes.
- Have the Allwinner Sunplus SP7021 use the generic DT schema and
make interrupts optional.
- Handle Qualcomm SC7280 ADSP.
- Handle Qualcomm MSM8916 CAMSS GP clock muxing.
- High impedance bias on ZynqMP.
- Serialize StarFive access to MMIO.
- Immutable gpiochip for BCM2835, Ingenic, Qualcomm SPMI GPIO.
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Merge tag 'pinctrl-v6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"Outside the pinctrl driver and DT bindings we hit some Arm DT files,
patched by the maintainers.
Other than that it is business as usual.
Core changes:
- Add PINCTRL_PINGROUP() helper macro (and use it in the AMD driver).
New drivers:
- Intel Meteor Lake support.
- Reneasas RZ/V2M and r8a779g0 (R-Car V4H).
- AXP209 variants AXP221, AXP223 and AXP809.
- Qualcomm MSM8909, PM8226, PMP8074 and SM6375.
- Allwinner D1.
Improvements:
- Proper pin multiplexing in the AMD driver.
- Mediatek MT8192 can use generic drive strength and pin bias, then
fixes on top plus some I2C pin group fixes.
- Have the Allwinner Sunplus SP7021 use the generic DT schema and
make interrupts optional.
- Handle Qualcomm SC7280 ADSP.
- Handle Qualcomm MSM8916 CAMSS GP clock muxing.
- High impedance bias on ZynqMP.
- Serialize StarFive access to MMIO.
- Immutable gpiochip for BCM2835, Ingenic, Qualcomm SPMI GPIO"
* tag 'pinctrl-v6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (117 commits)
dt-bindings: pinctrl: qcom,pmic-gpio: add PM8226 constraints
pinctrl: qcom: Make PINCTRL_SM8450 depend on PINCTRL_MSM
pinctrl: qcom: sm8250: Fix PDC map
pinctrl: amd: Fix an unused variable
dt-bindings: pinctrl: mt8186: Add and use drive-strength-microamp
dt-bindings: pinctrl: mt8186: Add gpio-line-names property
ARM: dts: imxrt1170-pinfunc: Add pinctrl binding header
pinctrl: amd: Use unicode for debugfs output
pinctrl: amd: Fix newline declaration in debugfs output
pinctrl: at91: Fix typo 'the the' in comment
dt-bindings: pinctrl: st,stm32: Correct 'resets' property name
pinctrl: mvebu: Missing a blank line after declarations.
pinctrl: qcom: Add SM6375 TLMM driver
dt-bindings: pinctrl: Add DT schema for SM6375 TLMM
dt-bindings: pinctrl: mt8195: Use drive-strength-microamp in examples
Revert "pinctrl: qcom: spmi-gpio: make the irqchip immutable"
pinctrl: imx93: Add MODULE_DEVICE_TABLE()
pinctrl: sunxi: Add driver for Allwinner D1
pinctrl: sunxi: Make some layout parameters dynamic
pinctrl: sunxi: Refactor register/offset calculation
...
Pass MODULE_DEVICE_TABLE() so that module autoloading can work.
This also aligns with the other i.MX8 pinctrl drivers.
Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Link: https://lore.kernel.org/r/20220712115154.2348971-1-festevam@denx.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
On i.MX93, the pin mux reg offset is from 0x0,
so need to add the 'ZERO_OFFSET_VALID' flag to make
sure the pin at mux offset 0 can be found.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Link: https://lore.kernel.org/r/20220613031854.1571357-1-ping.bai@nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
iomuxc_snvs from imx6ull supports 2 boot mode and 10 tamper pins.
Probably most users won't use them, causing this error message during boot:
no groups defined in /soc/bus@2200000/iomuxc-snvs@2290000
This is actually not an error in this case, so reduce the level
accordingly.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20220224094243.1376965-1-alexander.stein@ew.tq-group.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Fix code to check correct variable value.
Reported-by: Abel Vesa <abel.vesa@nxp.com>
Fixes: 02f1171349 ("pinctrl: imx: prepare for making "group_names" in "function_desc" const")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Link: https://lore.kernel.org/r/20211222212807.27122-1-zajec5@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The plan for "struct function_desc" is to make its "group_names"
/double/ const. That will allow drivers to use it with static const
data.
This imx change is required to avoid:
drivers/pinctrl/freescale/pinctrl-imx.c: In function 'imx_pinctrl_parse_functions':
drivers/pinctrl/freescale/pinctrl-imx.c:672:24: error: assignment of read-only location '*(func->group_names + (sizetype)(i * 4))'
672 | func->group_names[i] = child->name;
| ^
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20211216162206.8027-1-zajec5@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The imx_pinctrl_soc_info structure content is never changed, so it can be
declared as 'const', like it is done on all other i.MX pinctrl drivers.
Make it 'const' in this driver too.
Reported-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210716131341.3370620-1-festevam@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The imx_pinctrl_soc_info structure content is never changed, so it can be
declared as 'const', like it is done on all other i.MX pinctrl drivers.
Make it 'const' in this driver too.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Link: https://lore.kernel.org/r/20210713122513.3112941-2-festevam@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The imx_pinctrl_soc_info structure content is never changed, so it can be
declared as 'const', like it is done on all other i.MX pinctrl drivers.
Make it 'const' in this driver too.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Link: https://lore.kernel.org/r/20210713122513.3112941-1-festevam@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The initialization of pin_reg is missing, causing the following build
warning:
drivers/pinctrl/freescale/pinctrl-imx8ulp.c:228:35: warning: 'pin_reg' is used uninitialized in this function [-Wuninitialized]
Initialize pin_reg the same way as it is done on vf610 and imx7ulp
to fix the problem.
Fixes: 16b343e8e0 ("pinctrl: imx8ulp: Add pinctrl driver support")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210723203242.88845-1-festevam@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Performing the 'unbind' operation on pinctrl drivers is
not a sensible usecase, so pass the suppress_bind_attrs
atribute to prevent it.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210328183034.555702-2-festevam@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
