[PATCH] video: backlight: pwm_bl.c: make of_device_id structure to const

[Lynn Lei]

Fixed a of_device_id structure normally be const warning issue which
checked by scripts/checkpatch.pl:
  WARNING: struct of_device_id should normally be const

Signed-off-by: Lynn Lei <lynnl....@gmail.com>
---
 drivers/video/backlight/pwm_bl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 002f1ce22bd0..9bd17682655a 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -178,7 +178,7 @@ static int pwm_backlight_parse_dt(struct device *dev,
        return 0;
 }
 
-static struct of_device_id pwm_backlight_of_match[] = {
+static const struct of_device_id pwm_backlight_of_match[] = {
        { .compatible = "pwm-backlight" },
        { }
 };
-- 
2.13.2