[PATCH v2 03/15] leds: trigger: blkdev: Add functions needed by block changes
From: Ian Pilcher <hidden>
Date: 2021-09-09 22:25:40
Also in:
linux-leds, lkml
Subsystem:
led subsystem, the rest · Maintainers:
Lee Jones, Pavel Machek, Linus Torvalds
Add ledtrig_blkdev_disk_init() and ledtrig_blkdev_disk_cleanup() placeholders. (Function bodies depend on block subsystem changes in next commit.) Signed-off-by: Ian Pilcher <redacted> --- drivers/leds/trigger/ledtrig-blkdev-core.c | 11 +++++++++++ include/linux/leds.h | 19 +++++++++++++++++++ 2 files changed, 30 insertions(+)
diff --git a/drivers/leds/trigger/ledtrig-blkdev-core.c b/drivers/leds/trigger/ledtrig-blkdev-core.c
index bd9e5f09b7e3..b0a455180b05 100644
--- a/drivers/leds/trigger/ledtrig-blkdev-core.c
+++ b/drivers/leds/trigger/ledtrig-blkdev-core.c@@ -6,4 +6,15 @@ * Copyright 2021 Ian Pilcher <arequipeno@gmail.com> */ +#include <linux/leds.h> + #include "ledtrig-blkdev.h" + +/** + * ledtrig_blkdev_disk_cleanup - remove a block device from the blkdev LED + * trigger + * @gd: the disk to be removed + */ +void ledtrig_blkdev_disk_cleanup(struct gendisk *const gd) +{ +}
diff --git a/include/linux/leds.h b/include/linux/leds.h
index a0b730be40ad..38fb8b6e68fe 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h@@ -10,6 +10,7 @@ #include <dt-bindings/leds/common.h> #include <linux/device.h> +#include <linux/genhd.h> #include <linux/kernfs.h> #include <linux/list.h> #include <linux/mutex.h>
@@ -605,4 +606,22 @@ static inline void ledtrig_audio_set(enum led_audio type, } #endif +#if IS_ENABLED(CONFIG_LEDS_TRIGGER_BLKDEV) +/** + * ledtrig_blkdev_disk_init - initialize the ledtrig field of a new gendisk + * @gd: the gendisk to be initialized + */ +static inline void ledtrig_blkdev_disk_init(struct gendisk *const gd) +{ +} +void ledtrig_blkdev_disk_cleanup(struct gendisk *const gd); +#else /* IS_ENABLED(CONFIG_LEDS_TRIGGER_BLKDEV) */ +static inline void ledtrig_blkdev_disk_init(const struct gendisk *gd) +{ +} +static inline void ledtrig_blkdev_disk_cleanup(const struct gendisk *gd) +{ +} +#endif /* IS_ENABLED(CONFIG_LEDS_TRIGGER_BLKDEV) */ + #endif /* __LINUX_LEDS_H_INCLUDED */
--
2.31.1