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linux/drivers/gpio
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Asmaa Mnebhi aad4183232 gpio: mlxbf3: Support shutdown() function 
During Linux graceful reboot, the GPIO interrupts are not disabled.
Since the drivers are not removed during graceful reboot,
the logic to call mlxbf3_gpio_irq_disable() is not triggered.
Interrupts that remain enabled can cause issues on subsequent boots.

For example, the mlxbf-gige driver contains PHY logic to bring up the link.
If the gpio-mlxbf3 driver loads first, the mlxbf-gige driver
will use a GPIO interrupt to bring up the link.
Otherwise, it will use polling.
The next time Linux boots and loads the drivers in this order, we encounter the issue:
- mlxbf-gige loads first and uses polling while the GPIO10
  interrupt is still enabled from the previous boot. So if
  the interrupt triggers, there is nothing to clear it.
- gpio-mlxbf3 loads.
- i2c-mlxbf loads. The interrupt doesn't trigger for I2C
  because it is shared with the GPIO interrupt line which
  was not cleared.

The solution is to add a shutdown function to the GPIO driver to clear and disable
all interrupts. Also clear the interrupt after disabling it in mlxbf3_gpio_irq_disable().

Fixes: 38a700efc5 ("gpio: mlxbf3: Add gpio driver support")
Signed-off-by: Asmaa Mnebhi <asmaa@nvidia.com>
Reviewed-by: David Thompson <davthompson@nvidia.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240611171509.22151-1-asmaa@nvidia.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2024-08-10 21:35:16 +02:00
..
gpio-74x164.c gpio: 74x164: Enable output pins after registers are reset 2024-03-01 08:23:08 +01:00
gpio-74xx-mmio.c gpio: 74xx-mmio: remove unneeded platform_set_drvdata() call 2023-07-29 16:03:17 +02:00
gpio-104-dio-48e.c gpio: 104-dio-48e: Add Counter/Timer support 2023-07-27 09:37:33 +02:00
gpio-104-idi-48.c gpio: 104-idi-48: Enable use_raw_spinlock for idi48_regmap_config 2023-04-11 21:08:31 +02:00
gpio-104-idio-16.c gpio: 104-idio-16: Migrate to the regmap API 2023-08-11 14:23:29 +02:00
gpio-adnp.c gpio: Switch i2c drivers back to use .probe() 2023-05-23 10:09:11 +02:00
gpio-adp5520.c
gpio-aggregator.c gpio: aggregator: Set up a parser of delay line parameters 2023-06-16 11:02:07 +02:00
gpio-altera-a10sr.c gpio: altera-a10sr: remove redundant of_match_ptr 2023-08-03 15:58:45 +02:00
gpio-altera.c gpio: altera: Convert to platform remove callback returning void 2023-10-02 08:53:57 +02:00
gpio-amd8111.c gpio: amd8111: Convert PCIBIOS_* return codes to errnos 2024-05-30 11:20:53 +02:00
gpio-amd-fch.c
gpio-amdpt.c gpio: amdpt: Convert to platform remove callback returning void 2023-10-02 08:54:09 +02:00
gpio-arizona.c gpio: arizona: Remove unused header(s) 2022-10-19 17:03:55 +03:00
gpio-aspeed-sgpio.c gpio: aspeed-sgpio: Convert to immutable irq_chip 2023-03-10 16:17:20 +01:00
gpio-aspeed.c treewide: rename pinctrl_gpio_set_config_new() 2023-11-04 10:23:22 +01:00
gpio-ath79.c gpio: ath79: convert to dynamic GPIO base allocation 2024-06-26 10:39:08 +02:00
gpio-bcm-kona.c gpio: bcm-kona: Drop unused pdev member in private data structure 2023-07-19 13:26:22 +02:00
gpio-bd9571mwv.c
gpio-bd71815.c
gpio-bd71828.c
gpio-brcmstb.c of: remove internal arguments from of_property_for_each_u32() 2024-07-25 06:53:47 -05:00
gpio-bt8xx.c
gpio-cadence.c gpio: cadence: Convert to platform remove callback returning void 2023-10-02 08:54:26 +02:00
gpio-clps711x.c gpio: clps711x: remove redundant of_match_ptr() 2023-08-03 15:58:46 +02:00
gpio-creg-snps.c gpio: Explicitly include correct DT includes 2023-07-19 13:24:01 +02:00
gpio-cros-ec.c gpio: cros-ec: provide ID table for avoiding fallback match 2024-04-02 10:58:21 +02:00
gpio-crystalcove.c gpio: crystalcove: Use -ENOTSUPP consistently 2024-04-05 20:12:39 +03:00
gpio-cs5535.c
gpio-da9052.c gpio: da9052: Remove unused header(s) 2022-10-19 17:03:55 +03:00
gpio-da9055.c
gpio-davinci.c gpio: davinci: Validate the obtained number of IRQs 2024-06-24 13:24:59 +02:00
gpio-dln2.c gpio: dln2: Convert to platform remove callback returning void 2023-10-02 08:54:31 +02:00
gpio-ds4520.c gpio: ds4520: Add ADI DS4520 GPIO Expander Support 2023-07-29 15:56:33 +02:00
gpio-dwapb.c gpio: dwapb: Use generic request, free and set_config 2024-01-02 14:16:17 +01:00
gpio-eic-sprd.c Linux 6.8-rc4 2024-02-12 10:12:41 +01:00
gpio-elkhartlake.c gpio: elkhartlake: reuse pm_ops from Intel Tangier driver 2023-11-13 17:59:48 +02:00
gpio-em.c pinctrl: em: drop the wrapper around pinctrl_gpio_request() 2023-11-04 10:23:23 +01:00
gpio-en7523.c gpio: EN7523: fix kernel-doc warnings 2024-01-15 23:15:35 +01:00
gpio-ep93xx.c gpio: ep93xx: remove unused variable 2023-01-27 14:05:38 +01:00
gpio-exar.c gpio: exar: remove unneeded platform_set_drvdata() call 2023-07-29 16:04:38 +02:00
gpio-f7188x.c gpio-f7188x: fix base values conflicts with other gpio pins 2023-09-11 09:03:44 +02:00
gpio-ftgpio010.c gpio: ftgpio010: Convert to platform remove callback returning void 2023-10-02 08:54:36 +02:00
gpio-fxl6408.c gpio: fx6408: Convert to use maple tree register cache 2023-10-02 08:58:01 +02:00
gpio-ge.c gpio: ge: Replace GPLv2 boilerplate with SPDX 2023-07-27 09:33:07 +02:00
gpio-gpio-mm.c gpio: gpio-mm: Migrate to regmap API 2023-01-30 15:55:28 +01:00
gpio-graniterapids.c gpio: graniterapids: Add missing raw_spinlock_init() 2024-06-26 10:18:19 +02:00
gpio-grgpio.c gpio: grgpio: Convert to platform remove callback returning void 2023-10-02 08:54:41 +02:00
gpio-gw-pld.c gpio: add missing MODULE_DESCRIPTION() macros 2024-06-07 10:05:21 +02:00
gpio-hisi.c gpio: hisi: Fix format specifier 2023-10-13 08:39:30 +02:00
gpio-hlwd.c gpio: Explicitly include correct DT includes 2023-07-19 13:24:01 +02:00
gpio-htc-egpio.c
gpio-i8255.c gpio: i8255: Remove unused legacy interface 2023-01-30 15:55:28 +01:00
gpio-i8255.h gpio: i8255: Remove unused legacy interface 2023-01-30 15:55:28 +01:00
gpio-ich.c gpio: ich: Use devm_gpiochip_add_data() to simplify remove path 2023-03-09 16:08:39 +02:00
gpio-idio-16.c gpio: idio-16: Remove unused legacy interface 2023-08-11 14:23:32 +02:00
gpio-idio-16.h gpio: idio-16: Remove unused legacy interface 2023-08-11 14:23:32 +02:00
gpio-idt3243x.c gpio: idt3243x: Convert to immutable irq_chip 2023-03-10 16:17:30 +01:00
gpio-imx-scu.c gpio: imx-scu: Use ARRAY_SIZE for array length 2023-08-11 16:20:02 +02:00
gpio-it87.c
gpio-ixp4xx.c gpio: ixp4xx: Handle clock output on pin 14 and 15 2023-12-01 10:48:32 +01:00
gpio-janz-ttl.c
gpio-kempld.c
gpio-latch.c gpio: Add gpio latch driver 2022-10-26 14:52:01 +02:00
gpio-ljca.c gpio: update Intel LJCA USB GPIO driver 2023-10-11 11:33:38 +02:00
gpio-logicvc.c gpio: logicvc: remove unneeded platform_set_drvdata() call 2023-07-29 16:05:50 +02:00
gpio-loongson1.c gpio: loongson1: Add DT support 2023-03-23 14:31:18 +01:00
gpio-loongson-64bit.c gpio: loongson: add more gpio chip support 2023-09-27 09:06:50 +02:00
gpio-loongson.c
gpio-lp873x.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_319.RULE 2022-06-10 14:51:36 +02:00
gpio-lp3943.c gpio: lp3943: remove unneeded platform_set_drvdata() call 2023-08-01 21:14:48 +02:00
gpio-lp87565.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_319.RULE 2022-06-10 14:51:36 +02:00
gpio-lpc18xx.c gpio: lpc18xx: Convert to platform remove callback returning void 2023-10-02 08:54:50 +02:00
gpio-lpc32xx.c gpio: lpc32xx: fix module autoloading 2024-04-12 21:30:58 +02:00
gpio-madera.c
gpio-max730x.c gpio: max730x: don't use kernel-doc marker for regular comment 2023-12-07 09:24:08 +01:00
gpio-max732x.c gpio: max732x: remove redundant CONFIG_OF and of_match_ptr() 2023-08-03 15:56:30 +02:00
gpio-max3191x.c gpio: max3191x: remove redundant of_match_ptr() 2023-08-03 15:58:50 +02:00
gpio-max7300.c gpio: Switch i2c drivers back to use .probe() 2023-05-23 10:09:11 +02:00
gpio-max7301.c
gpio-max77620.c gpio: max77620: remove unneeded platform_set_drvdata() call 2023-08-01 21:15:23 +02:00
gpio-max77650.c
gpio-mb86s7x.c gpio: mb86s7x: Convert to platform remove callback returning void 2023-10-02 08:54:55 +02:00
gpio-mc33880.c gpio updates for v6.11-rc1 2024-07-15 17:53:24 -07:00
gpio-menz127.c gpio: use raw spinlock for gpio chip shadowed data 2022-04-25 12:10:02 +02:00
gpio-merrifield.c gpio: merrifield: Utilise temporary variable for struct device 2023-03-06 17:10:46 +02:00
gpio-ml-ioh.c gpio: ml-ioh: Convert to use managed functions pcim* and devm_* 2022-05-20 19:20:35 +02:00
gpio-mlxbf2.c gpio: mlxbf2: Convert to immutable irq_chip 2023-03-10 16:17:32 +01:00
gpio-mlxbf3.c gpio: mlxbf3: Support shutdown() function 2024-08-10 21:35:16 +02:00
gpio-mlxbf.c
gpio-mm-lantiq.c gpio: mm-lantiq: Convert to platform remove callback returning void 2023-10-02 08:55:00 +02:00
gpio-mmio.c gpio: mmio: do not calculate bgpio_bits via "ngpios" 2024-07-03 15:27:59 +02:00
gpio-mockup.c gpio: mockup: initialize a managed pointer in place 2023-11-20 14:24:50 +01:00
gpio-moxtet.c
gpio-mpc8xxx.c gpio: mpc8xxx: Convert to platform remove callback returning void 2023-10-02 08:55:09 +02:00
gpio-mpc5200.c gpio: mpc5200: Convert to platform remove callback returning void 2023-10-02 08:55:04 +02:00
gpio-msc313.c gpio: Explicitly include correct DT includes 2023-07-19 13:24:01 +02:00
gpio-mt7621.c gpio updates for v6.1-rc1 2022-10-08 09:46:29 -07:00
gpio-mvebu.c gpio: mvebu: Make use of devm_pwmchip_alloc() function 2024-02-22 14:39:28 +01:00
gpio-mxc.c gpio: mxc: Use helper function devm_clk_get_optional_enabled() 2023-08-21 14:11:16 +02:00
gpio-mxs.c gpio: mxs: fix Wvoid-pointer-to-enum-cast warning 2023-08-11 16:21:46 +02:00
gpio-nomadik.c drivers/gpio/nomadik: move dummy nmk_gpio_dbg_show_one() to header 2024-03-12 12:53:35 +01:00
gpio-npcm-sgpio.c gpio: nuvoton: Fix sgpio irq handle error 2024-05-07 09:44:33 +02:00
gpio-octeon.c
gpio-omap.c OMAP/gpio: drop MPUIO static base 2023-10-04 11:37:25 +02:00
gpio-palmas.c gpio: palmas: remove unnecessary call to platform_set_drvdata() 2023-08-01 21:22:38 +02:00
gpio-pca953x.c gpio updates for v6.11-rc1 2024-07-15 17:53:24 -07:00
gpio-pca9570.c gpio: pca9570: fix kerneldoc 2023-08-21 10:39:58 +02:00
gpio-pcf857x.c gpio: add missing MODULE_DESCRIPTION() macros 2024-06-07 10:05:21 +02:00
gpio-pch.c gpio: pch: Change PCI device macros 2022-06-21 18:01:11 +03:00
gpio-pci-idio-16.c gpio: pci-idio-16: Migrate to the regmap API 2023-08-11 14:23:31 +02:00
gpio-pcie-idio-24.c gpio: pcie-idio-24: Use -ENOTSUPP consistently 2024-04-12 21:36:18 +02:00
gpio-pisosr.c gpio: pisosr: Use devm_gpiochip_add_data() to simplify remove path 2023-07-20 17:22:10 +02:00
gpio-pl061.c gpio: add missing MODULE_DESCRIPTION() macros 2024-06-07 10:05:21 +02:00
gpio-pmic-eic-sprd.c gpio: pmic-eic-sprd: Configure the bit corresponding to the EIC through offset 2024-01-03 09:50:47 +01:00
gpio-pxa.c treewide: rename pinctrl_gpio_direction_output_new() 2023-11-04 10:23:22 +01:00
gpio-raspberrypi-exp.c gpio: raspberrypi-exp: remove redundant of_match_ptr() 2023-08-03 15:58:52 +02:00
gpio-rc5t583.c gpio: rc5t583: remove unneeded call to platform_set_drvdata() 2023-08-01 21:26:48 +02:00
gpio-rcar.c treewide: rename pinctrl_gpio_free_new() 2023-11-04 10:23:21 +01:00
gpio-rda.c gpio: rda: Convert to immutable irq_chip 2023-03-23 14:31:18 +01:00
gpio-rdc321x.c gpio: rdc321x: Convert PCIBIOS_* return codes to errnos 2024-05-30 11:21:05 +02:00
gpio-realtek-otto.c gpio: realtek-otto: switch to 32-bit I/O 2022-08-31 17:46:30 +02:00
gpio-reg.c gpio: reg: Add missing header(s) 2023-03-06 12:33:02 +02:00
gpio-regmap.c gpio: regmap: Use -ENOTSUPP consistently 2024-04-12 21:36:40 +02:00
gpio-rockchip.c treewide: rename pinctrl_gpio_direction_output_new() 2023-11-04 10:23:22 +01:00
gpio-rtd.c gpio: rtd: Fix signedness bug in probe 2024-01-15 11:07:46 +01:00
gpio-sa1100.c gpio: sa1100: include <mach/generic.h> 2023-05-17 11:56:24 +02:00
gpio-sama5d2-piobu.c gpio: sama5d2-piobu: remove unneeded call to platform_set_drvdata() 2023-08-01 21:27:38 +02:00
gpio-sch311x.c gpio: sch311x: Use devm_gpiochip_add_data() to simplify remove path 2023-05-17 11:52:14 +02:00
gpio-sch.c gpio: sch: Utilise temporary variable for struct device 2024-04-15 16:12:18 +03:00
gpio-sifive.c gpio: sifive: remove unneeded call to platform_set_drvdata() 2023-11-15 15:39:40 +01:00
gpio-sim.c gpio: sim: lock GPIOs as interrupts when they are requested 2024-07-04 09:25:59 +02:00
gpio-siox.c gpio: siox: Convert to immutable irq_chip 2023-03-23 14:31:18 +01:00
gpio-sl28cpld.c gpio: sl28cpld: Replace irqchip mask_invert with unmask_base 2022-11-15 15:41:45 +01:00
gpio-sloppy-logic-analyzer.c gpio: add sloppy logic analyzer using polling 2024-07-01 10:54:11 +02:00
gpio-sodaville.c
gpio-spear-spics.c treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_56.RULE (part 2) 2022-06-10 14:51:35 +02:00
gpio-sprd.c gpio: Explicitly include correct DT includes 2023-07-19 13:24:01 +02:00
gpio-stmpe.c gpio: stmpe: use gpiochip_dup_line_label() 2023-12-08 09:26:28 +01:00
gpio-stp-xway.c gpio: Explicitly include correct DT includes 2023-07-19 13:24:01 +02:00
gpio-syscon.c gpio: syscon: do not report bogus error 2024-05-29 13:18:12 +02:00
gpio-tangier.c gpio: tangier: Use correct type for the IRQ chip data 2024-04-12 23:41:05 +03:00
gpio-tangier.h gpio: tangier: unexport suspend/resume handles 2023-11-13 17:59:48 +02:00
gpio-tb10x.c gpio updates for v6.7-rc1 2023-10-31 17:21:54 -10:00
gpio-tc3589x.c gpio: tc3589x: Make irqchip immutable 2022-10-03 20:56:46 +02:00
gpio-tegra186.c gpio: tegra186: Fix tegra186_gpio_is_accessible() check 2024-04-24 15:31:41 +02:00
gpio-tegra.c pinctrl: tegra: drop the wrapper around pinctrl_gpio_request() 2023-11-04 10:23:23 +01:00
gpio-thunderx.c gpio: thunderx: Convert to immutable irq_chip 2023-03-23 14:31:18 +01:00
gpio-timberdale.c gpio: timberdale: Fix potential deadlock on &tgpio->lock 2023-09-27 08:51:28 +02:00
gpio-tn48m.c
gpio-tpic2810.c gpio: Switch i2c drivers back to use .probe() 2023-05-23 10:09:11 +02:00
gpio-tps6586x.c gpio: Explicitly include correct DT includes 2023-07-19 13:24:01 +02:00
gpio-tps65086.c gpio: tps65086: Use devm_gpiochip_add_data() to simplify remove path 2023-05-17 11:40:40 +02:00
gpio-tps65218.c gpio: tps65218: remove redundant of_match_ptr() 2023-08-03 15:55:34 +02:00
gpio-tps65219.c gpio: tps65219: don't use CONFIG_DEBUG_GPIO 2023-12-27 15:56:48 +01:00
gpio-tps65910.c gpio: Explicitly include correct DT includes 2023-07-19 13:24:01 +02:00
gpio-tps65912.c
gpio-tps68470.c gpio: tps68470: Make tps68470_gpio_output() always set the initial value 2023-07-19 13:22:13 +02:00
gpio-tqmx86.c gpio: tqmx86: fix broken IRQ_TYPE_EDGE_BOTH interrupt type 2024-06-03 14:13:13 +02:00
gpio-ts4800.c gpio: Explicitly include correct DT includes 2023-07-19 13:24:01 +02:00
gpio-ts4900.c gpio: Explicitly include correct DT includes 2023-07-19 13:24:01 +02:00
gpio-ts5500.c gpio: ts5500: Convert to platform remove callback returning void 2023-10-02 08:55:27 +02:00
gpio-twl4030.c This removes all usage of global GPIO numbers from 2023-05-31 17:01:34 +02:00
gpio-twl6040.c
gpio-uniphier.c gpio: uniphier: Convert to platform remove callback returning void 2023-10-02 08:55:32 +02:00
gpio-vf610.c treewide: rename pinctrl_gpio_direction_output_new() 2023-11-04 10:23:22 +01:00
gpio-viperboard.c
gpio-virtio.c virtio: rename virtio_find_vqs_info() to virtio_find_vqs() 2024-07-17 05:20:58 -04:00
gpio-virtuser.c gpio: virtuser: avoid non-constant format string 2024-07-19 16:56:27 +02:00
gpio-visconti.c gpio: visconti: Convert to immutable irq_chip 2023-03-23 14:31:18 +01:00
gpio-vx855.c gpio: vx855: remove unneeded call to platform_set_drvdata() 2023-08-03 15:48:15 +02:00
gpio-wcd934x.c gpio: Explicitly include correct DT includes 2023-07-19 13:24:01 +02:00
gpio-wcove.c gpio: wcove: Use -ENOTSUPP consistently 2024-04-05 20:12:03 +03:00
gpio-winbond.c gpio: winbond: Fix error code in winbond_gpio_get() 2022-06-23 16:29:55 +02:00
gpio-wm831x.c gpio: wm831x: use gpiochip_dup_line_label() 2023-12-08 09:26:20 +01:00
gpio-wm8350.c gpio: wm8350: Remove unused header(s) 2022-10-24 12:29:41 +03:00
gpio-wm8994.c gpio: wm8994: use gpiochip_dup_line_label() 2023-12-08 09:26:25 +01:00
gpio-ws16c48.c gpio updates for v6.6 2023-08-29 10:21:56 -07:00
gpio-xgene-sb.c gpio: xgene-sb: Convert to platform remove callback returning void 2023-10-02 08:55:38 +02:00
gpio-xgene.c
gpio-xgs-iproc.c gpio: xgs-iproc: Convert to platform remove callback returning void 2023-10-02 08:55:42 +02:00
gpio-xilinx.c gpio: xilinx: remove excess kernel doc 2023-12-18 09:56:21 +01:00
gpio-xlp.c gpio: xlp: Convert to immutable irq_chip 2023-03-23 14:31:19 +01:00
gpio-xra1403.c gpio: xra1403: remove redundant of_match_ptr() 2023-08-03 15:58:54 +02:00
gpio-xtensa.c
gpio-zevio.c gpio: zevio: remove unneeded call to platform_set_drvdata() 2023-08-03 15:48:27 +02:00
gpio-zynq.c gpio: zynq: Convert to platform remove callback returning void 2023-10-02 08:55:50 +02:00
gpio-zynqmp-modepin.c
gpiolib-acpi.c gpiolib: put gpio_suffixes in a single compilation unit 2024-06-14 09:14:58 +02:00
gpiolib-acpi.h gpio: acpi: Make acpi_gpio_count() take firmware node as a parameter 2024-03-01 09:08:34 +01:00
gpiolib-cdev.c gpio updates for v6.11-rc1 2024-07-15 17:53:24 -07:00
gpiolib-cdev.h
gpiolib-devres.c gpiolib: Pass consumer device through to core in devm_fwnode_gpiod_get_index() 2024-02-27 14:17:38 +01:00
gpiolib-legacy.c gpiolib: Get rid of never false gpio_is_valid() calls 2024-04-17 22:46:44 +02:00
gpiolib-of.c gpio updates for v6.11-rc1 2024-07-15 17:53:24 -07:00
gpiolib-of.h gpio: of: Make of_gpio_get_count() take firmware node as a parameter 2024-03-01 09:07:21 +01:00
gpiolib-swnode.c gpio: swnode: Add ability to specify native chip selects for SPI 2024-04-16 20:00:27 +09:00
gpiolib-swnode.h gpiolib: add support for software nodes 2022-11-15 11:21:43 +01:00
gpiolib-sysfs.c gpiolib: Get rid of never false gpio_is_valid() calls 2024-04-17 22:46:44 +02:00
gpiolib-sysfs.h gpiolib: revert the attempt to protect the GPIO device list with an rwsem 2024-01-17 09:52:37 +01:00
gpiolib.c Driver core changes for 6.11-rc1 2024-07-25 10:42:22 -07:00
gpiolib.h gpiolib: unexport gpiochip_get_desc() 2024-07-02 11:40:37 +02:00
Kconfig gpio updates for v6.11-rc1 2024-07-15 17:53:24 -07:00
Makefile gpio: virtuser: new virtual testing driver for the GPIO API 2024-07-09 09:39:54 +02:00
TODO gpiolib: split of_mm_gpio_chip out of linux/of_gpio.h 2023-03-06 12:33:01 +02:00