On Wed, Dec 23, 2020 at 10:10:35PM +0800, Zheng Yongjun wrote:
> Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>
Can you explain the Subject for this patch in more detail?
If this patch is required to correct a bug then it looks to me like it
is incomplete.
Daniel.
> ---
> drivers/video/backlight/backlight.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
> index 537fe1b376ad..d7a09c422547 100644
> --- a/drivers/video/backlight/backlight.c
> +++ b/drivers/video/backlight/backlight.c
> @@ -64,7 +64,7 @@
> */
>
> static struct list_head backlight_dev_list;
> -static struct mutex backlight_dev_list_mutex;
> +static DEFINE_MUTEX(backlight_dev_list_mutex);
> static struct blocking_notifier_head backlight_notifier;
>
> static const char *const backlight_types[] = {
> @@ -757,7 +757,6 @@ 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;
> --
> 2.22.0
>
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