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v6.1.20
linux/drivers/leds
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Henning Schild 0cd7777c74 leds: simatic-ipc-leds-gpio: Make sure we have the GPIO providing driver 
[ Upstream commit c64964ebee2a415384385205950ee7a05f78451e ]

If we register a "leds-gpio" platform device for GPIO pins that do not
exist we get a -EPROBE_DEFER and the probe will be tried again later.
If there is no driver to provide that pin we will poll forever and also
create a lot of log messages.

So check if that GPIO driver is configured, if so it will come up
eventually. If not, we exit our probe function early and do not even
bother registering the "leds-gpio". This method was chosen over "Kconfig
depends" since this way we can add support for more devices and GPIO
backends more easily without "depends":ing on all GPIO backends.

Fixes: a6c80bec3c93 ("leds: simatic-ipc-leds-gpio: Add GPIO version of Siemens driver")
Signed-off-by: Henning Schild <henning.schild@siemens.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20221007153323.1326-1-henning.schild@siemens.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-03-10 09:33:26 +01:00
..
blink
leds: leds-bcm63138: get rid of LED_OFF
2022-07-17 14:55:40 +02:00
flash
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
rgb
led: qcom-lpg: Fix sleeping in atomic
2022-12-31 13:32:43 +01:00
simple
leds: simatic-ipc-leds-gpio: Make sure we have the GPIO providing driver
2023-03-10 09:33:26 +01:00
trigger
leds: trigger: Disable CPU trigger on PREEMPT_RT
2021-10-13 20:07:57 +02:00
Kconfig
leds: is31fl319x: Make use of device properties
2022-08-02 16:43:30 +02:00
led-class-flash.c
led-class-flash: fix -Wrestrict warning
2021-09-27 16:09:42 +02:00
led-class-multicolor.c
leds: multicolor: Introduce a multicolor class definition
2020-07-22 14:41:29 +02:00
led-class.c
leds: led-core: Fix refcount leak in of_led_get()
2023-03-10 09:33:26 +01:00
led-core.c
leds: move default_state read from fwnode to core
2021-08-18 08:27:30 +02:00
led-triggers.c
leds: trigger: use RCU to protect the led_cdevs list
2021-09-27 16:16:42 +02:00
leds-88pm860x.c
leds: various: use only available OF children
2020-09-26 21:56:39 +02:00
leds-acer-a500.c
leds: Add driver for Acer Iconia Tab A500
2020-09-26 21:56:42 +02:00
leds-adp5520.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149
2019-05-30 11:25:18 -07:00
leds-an30259a.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-apu.c
leds: apu: extend support for PC Engines APU1 with newer firmware
2021-02-19 22:15:10 +01:00
leds-ariel.c
leds: leds-ariel: convert comma to semicolon
2021-01-31 10:38:02 +01:00
leds-asic3.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
leds-aw2013.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-bcm6328.c
leds: leds-bcm6328: Demote kernel-doc abuse
2021-05-28 11:38:55 +02:00
leds-bcm6358.c
leds: parse linux,default-trigger DT property in LED core
2020-09-26 21:56:43 +02:00
leds-bd2802.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-blinkm.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-clevo-mail.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
leds-cobalt-qube.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
leds-cobalt-raq.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1
2019-05-21 11:28:39 +02:00
leds-cpcap.c
leds: various: use device_get_match_data
2020-09-26 21:56:39 +02:00
leds-cr0014114.c
spi: make remove callback a void function
2022-02-09 13:00:45 +00:00
leds-da903x.c
leds: da903x: fix use-after-free on unbind
2020-06-22 10:37:58 +02:00
leds-da9052.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
leds-dac124s085.c
spi: make remove callback a void function
2022-02-09 13:00:45 +00:00
leds-el15203000.c
spi: make remove callback a void function
2022-02-09 13:00:45 +00:00
leds-gpio-register.c
leds: leds-gpio-register: Supply description for param 'id'
2021-05-28 11:38:54 +02:00
leds-gpio.c
leds: move default_state read from fwnode to core
2021-08-18 08:27:30 +02:00
leds-hp6xx.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
leds-ip30.c
leds: ip30: compile if COMPILE_TEST=y
2020-09-26 21:56:38 +02:00
leds-ipaq-micro.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
leds-is31fl32xx.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-is31fl319x.c
leds: is31fl319x: Wrap mutex_destroy() for devm_add_action_or_rest()
2023-03-10 09:33:26 +01:00
leds-lm355x.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lm3530.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lm3532.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lm3533.c
Updates for 5.12-rc1. Besides usual fixes and new drivers, we are
2021-02-26 13:56:40 -08:00
leds-lm3642.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lm3692x.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lm3697.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lm36274.c
leds: lm36274: Add missed property.h
2021-05-30 23:03:48 +02:00
leds-locomo.c
ARM: pxa: split up mach/hardware.h
2022-04-19 16:27:05 +02:00
leds-lp50xx.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lp55xx-common.c
leds: lp55xx: initialise output direction from dts
2022-01-12 19:43:15 +01:00
leds-lp55xx-common.h
leds: lp55xx: Add multicolor framework support to lp55xx
2020-07-22 14:42:06 +02:00
leds-lp3944.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lp3952.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lp5521.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lp5523.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lp5562.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lp8501.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lp8788.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
leds-lp8860.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-lt3593.c
leds: lt3593: Put fwnode in any case during ->probe()
2021-08-03 23:49:31 +02:00
leds-max8997.c
leds: Use DEVICE_ATTR_{RW, RO, WO} macros
2020-12-30 19:37:13 +01:00
leds-max77650.c
leds: parse linux,default-trigger DT property in LED core
2020-09-26 21:56:43 +02:00
leds-mc13783.c
leds: various: use only available OF children
2020-09-26 21:56:39 +02:00
leds-menf21bmc.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
leds-mlxcpld.c
leds: leds-mlxcpld: Fix a bunch of kernel-doc formatting issues
2021-05-28 11:39:00 +02:00
leds-mlxreg.c
leds: leds-mlxreg: Fix incorrect documentation of struct member 'led_cdev' and 'led_cdev_name'
2021-05-28 11:38:59 +02:00
leds-mt6323.c
leds: parse linux,default-trigger DT property in LED core
2020-09-26 21:56:43 +02:00
leds-net48xx.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
leds-netxbig.c
leds: Use DEVICE_ATTR_{RW, RO, WO} macros
2020-12-30 19:37:13 +01:00
leds-nic78bx.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
leds-ns2.c
leds: ns2: do not guard OF match pointer with of_match_ptr
2020-09-30 19:22:58 +02:00
leds-ot200.c
…
leds-pca955x.c
leds: pca955x: Allow zero LEDs to be specified
2022-03-02 09:51:40 +01:00
leds-pca963x.c
leds: pca963: fix misleading indentation
2022-09-26 23:16:37 +02:00
leds-pca9532.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-pm8058.c
leds: parse linux,default-trigger DT property in LED core
2020-09-26 21:56:43 +02:00
leds-powernv.c
leds: various: use only available OF children
2020-09-26 21:56:39 +02:00
leds-pwm.c
leds: pwm: add support for default-state device property
2021-08-18 08:27:31 +02:00
leds-rb532.c
leds: rb532: cleanup whitespace
2020-01-02 22:41:53 +01:00
leds-regulator.c
leds: regulator: Make probeable from device tree
2022-05-05 10:04:52 +02:00
leds-s3c24xx.c
leds: s3c24xx: Remove unused machine header include
2020-08-17 18:04:06 +02:00
leds-sc27xx-bltc.c
leds: various: use only available OF children
2020-09-26 21:56:39 +02:00
leds-spi-byte.c
spi: make remove callback a void function
2022-02-09 13:00:45 +00:00
leds-ss4200.c
leds: ss4200: simplify the return expression of register_nasgpio_led()
2020-12-30 19:37:14 +01:00
leds-sunfire.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
leds-syscon.c
leds: parse linux,default-trigger DT property in LED core
2020-09-26 21:56:43 +02:00
leds-tca6507.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-ti-lmu-common.c
leds: ti-lmu-common: Move static keyword to the front of declaration
2019-09-03 20:34:46 +02:00
leds-tlc591xx.c
leds: tlc591xx: fix return value check in tlc591xx_probe()
2021-05-10 11:58:54 +02:00
leds-tps6105x.c
leds: tps6105x: add driver for MFD chip LED mode
2019-12-21 20:10:02 +01:00
leds-turris-omnia.c
i2c: Make remove callback return void
2022-08-16 12:46:26 +02:00
leds-wm831x-status.c
leds: Use DEVICE_ATTR_{RW, RO, WO} macros
2020-12-30 19:37:13 +01:00
leds-wm8350.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
leds-wrap.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
leds.h
leds: move default_state read from fwnode to core
2021-08-18 08:27:30 +02:00
Makefile
leds: Move pwm-multicolor driver into rgb directory
2022-05-07 23:09:31 +02:00
TODO
leds: TODO: Add documentation about possible subsystem improvements
2020-09-30 19:15:33 +02:00
uleds.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00