From: David Herrmann <dh.herrmann at gmail.com>
Use static initializers instead of setting up global variables during
runtime. This reduces code size and execution time.
Signed-off-by: David Herrmann <dh.herrmann at gmail.com>
---
drivers/video/backlight/backlight.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 288318a..37f6173 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -21,9 +21,9 @@
#include <asm/backlight.h>
#endif
-static struct list_head backlight_dev_list;
-static struct mutex backlight_dev_list_mutex;
-static struct blocking_notifier_head backlight_notifier;
+static LIST_HEAD(backlight_dev_list);
+static DEFINE_MUTEX(backlight_dev_list_mutex);
+static BLOCKING_NOTIFIER_HEAD(backlight_notifier);
static const char *const backlight_types[] = {
[BACKLIGHT_RAW] = "raw",
@@ -591,9 +591,6 @@ static int __init backlight_class_init(void)
backlight_class->dev_groups = bl_device_groups;
backlight_class->pm = &backlight_class_dev_pm_ops;
- INIT_LIST_HEAD(&backlight_dev_list);
- mutex_init(&backlight_dev_list_mutex);
- BLOCKING_INIT_NOTIFIER_HEAD(&backlight_notifier);
return 0;
}
--
2.9.3
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