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SubjectRe: [PATCH RFC 1/4] backlight: use static initializers
Date
On Wed, 10 Sep 2014, David Herrmann <dh.herrmann@gmail.com> wrote:
> 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@gmail.com>

Reviewed-by: Jani Nikula <jani.nikula@intel.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 bddc8b1..726c6c6 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",
> @@ -582,9 +582,6 @@ 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;
> }
> --
> 2.1.0
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel

--
Jani Nikula, Intel Open Source Technology Center


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