leds: convert blink timer to workqueue

This patch converts the blink timer from led-core to workqueue which is more
suitable for this kind of non-priority operations. Moreover, timer may lead to
errors when a LED setting function use a scheduling function such as pinctrl
which is using mutex.

Signed-off-by: Vincent Donnefort <vdonnefort@gmail.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/include/linux/leds.h b/include/linux/leds.h
index e43686472197..6a599dce7f9d 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -15,7 +15,6 @@
 #include <linux/list.h>
 #include <linux/spinlock.h>
 #include <linux/rwsem.h>
-#include <linux/timer.h>
 #include <linux/workqueue.h>
 
 struct device;
@@ -69,7 +68,7 @@ struct led_classdev {
         const char              *default_trigger;       /* Trigger to use */
 
         unsigned long            blink_delay_on, blink_delay_off;
-        struct timer_list        blink_timer;
+        struct delayed_work      blink_work;
         int                      blink_brightness;
 
         struct work_struct      set_brightness_work;