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5bd7ef53ff
linux/drivers/gpio
History
Boerge Struempfel 95dd1e34ff gpiolib: sysfs: Fix error handling on failed export 
If gpio_set_transitory() fails, we should free the GPIO again. Most
notably, the flag FLAG_REQUESTED has previously been set in
gpiod_request_commit(), and should be reset on failure.

To my knowledge, this does not affect any current users, since the
gpio_set_transitory() mainly returns 0 and -ENOTSUPP, which is converted
to 0. However the gpio_set_transitory() function calles the .set_config()
function of the corresponding GPIO chip and there are some GPIO drivers in
which some (unlikely) branches return other values like -EPROBE_DEFER,
and -EINVAL. In these cases, the above mentioned FLAG_REQUESTED would not
be reset, which results in the pin being blocked until the next reboot.

Fixes: e10f72bf4b ("gpio: gpiolib: Generalise state persistence beyond sleep")
Signed-off-by: Boerge Struempfel <boerge.struempfel@gmail.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-12-01 10:44:48 +01:00
..
gpio-74x164.c spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
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: Fix PCI device reference count leak 2022-11-30 17:18:35 +01:00
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: Explicitly include correct DT includes 2023-07-19 13:24:01 +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: Get rid of duplicate of_node assignment in the drivers 2021-12-17 17:39:35 +01:00
gpio-brcmstb.c gpio: brcmstb: Convert to platform remove callback returning void 2023-10-02 08:54:20 +02:00
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-crystalcove.c gpio: crystalcove: Join function declarations and long lines 2022-06-06 14:09:16 +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: Use device_get_match_data() 2023-10-09 09:08:08 +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: don't include gpiolib.h 2023-09-11 11:17:06 +02:00
gpio-eic-sprd.c gpio: eic-sprd: use a helper variable for &pdev->dev 2023-09-13 14:13:32 +02:00
gpio-elkhartlake.c gpio: elkhartlake: Introduce Intel Elkhart Lake PSE GPIO 2023-03-06 17:10:46 +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: Add support for Airoha EN7523 GPIO controller 2022-02-02 10:16:19 +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-grgpio.c gpio: grgpio: Convert to platform remove callback returning void 2023-10-02 08:54:41 +02:00
gpio-gw-pld.c gpio: Switch i2c drivers back to use .probe() 2023-05-23 10:09:11 +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: remove redundant of_match_ptr() 2023-08-03 15:58:48 +02:00
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: remove redundant CONFIG_OF and of_match_ptr() 2023-08-03 15:58:49 +02:00
gpio-madera.c
gpio-max730x.c
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 spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
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 spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
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: use capital "OR" for multiple licenses in SPDX 2023-08-24 10:04:04 +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: Use device_get_match_data() 2023-10-09 09:08:08 +02:00
gpio-mockup.c gpio: mockup: don't access internal GPIOLIB structures 2023-09-11 11:17:02 +02:00
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 pwm: Changes for v6.7-rc1 2023-11-09 13:47:52 -08:00
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-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: pca953x: Convert to use maple tree register cache 2023-10-02 08:57:48 +02:00
gpio-pca9570.c gpio: pca9570: fix kerneldoc 2023-08-21 10:39:58 +02:00
gpio-pcf857x.c gpio: pcf857x: Extend match data support for OF tables 2023-08-22 11:41:17 +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: Migrate to the regmap API 2023-08-11 14:23:33 +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: pl061: Add missing header(s) 2022-10-24 12:29:26 +03:00
gpio-pmic-eic-sprd.c gpio: pmic-eic-sprd: Add can_sleep flag for PMIC EIC chip 2023-09-27 09:12:09 +02:00
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-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: Add missing header(s) 2023-03-06 12:33:02 +02:00
gpio-rockchip.c treewide: rename pinctrl_gpio_direction_output_new() 2023-11-04 10:23:22 +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: remove unneeded call to platform_set_drvdata() 2023-08-03 15:44:46 +02:00
gpio-sifive.c gpio: sifive: Allow building the driver as a module 2023-07-25 12:00:42 +02:00
gpio-sim.c gpio updates for v6.7-rc1 2023-10-31 17:21:54 -10:00
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-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: Convert to immutable irq_chip 2023-03-23 14:31:18 +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: remove unneeded call to platform_set_drvdata() 2023-08-03 15:44:49 +02:00
gpio-tangier.c gpio: tangier: calculate number of ctx using temporary variable 2023-05-23 10:22:25 +02:00
gpio-tangier.h gpio: elkhartlake: Introduce Intel Elkhart Lake PSE GPIO 2023-03-06 17:10:46 +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: Explicitly include correct DT includes 2023-07-19 13:24:01 +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: Add Delta TN48M CPLD GPIO driver 2022-02-25 09:59:35 +01:00
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: add GPIO support for TPS65219 PMIC 2023-06-13 14:49:56 +02:00
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: remove unneeded call to platform_set_drvdata() 2023-08-03 15:47:58 +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: Propagate firmware node from a parent device 2021-12-17 17:50:46 +01:00
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: wrap config->reset calls 2022-01-14 18:50:52 -05:00
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: make irq_chip immutable 2022-06-06 14:09:16 +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: Propagate firmware node from a parent device 2021-12-17 17:50:46 +01:00
gpio-wm8350.c gpio: wm8350: Remove unused header(s) 2022-10-24 12:29:41 +03:00
gpio-wm8994.c
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: Convert to platform remove callback returning void 2023-10-02 08:55:46 +02:00
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 gpio updates for v6.7-rc1 2023-10-31 17:21:54 -10:00
gpiolib-acpi.h gpiolib: Clean up headers 2023-03-06 12:33:02 +02:00
gpiolib-cdev.c treewide: rename pinctrl_gpio_can_use_line_new() 2023-11-04 10:23:21 +01:00
gpiolib-cdev.h
gpiolib-devres.c gpiolib: of: remove [devm_]gpiod_get_from_of_node() APIs 2023-01-30 15:55:28 +01:00
gpiolib-legacy.c gpiolib: Kill unused GPIOF_OPEN_* 2023-06-01 09:52:39 +02:00
gpiolib-of.c sound updates for 6.7 2023-11-02 14:34:14 -10:00
gpiolib-of.h gpiolib: Clean up headers 2023-03-06 12:33:02 +02:00
gpiolib-swnode.c gpio: swnode: replace gpiochip_find() with gpio_device_find_by_label() 2023-10-04 13:36:23 +02:00
gpiolib-swnode.h gpiolib: add support for software nodes 2022-11-15 11:21:43 +01:00
gpiolib-sysfs.c gpiolib: sysfs: Fix error handling on failed export 2023-12-01 10:44:48 +01:00
gpiolib-sysfs.h gpiolib: Clean up headers 2022-10-24 12:30:26 +03:00
gpiolib.c treewide: rename pinctrl_gpio_set_config_new() 2023-11-04 10:23:22 +01:00
gpiolib.h gpiolib: make gpio_device_get() and gpio_device_put() public 2023-10-04 13:28:58 +02:00
Kconfig USB/Thunderbolt changes for 6.7-rc1 2023-11-03 16:00:42 -10:00
Makefile gpio: ds4520: Add ADI DS4520 GPIO Expander Support 2023-07-29 15:56:33 +02:00
TODO gpiolib: split of_mm_gpio_chip out of linux/of_gpio.h 2023-03-06 12:33:01 +02:00