Re: [PATCH] backlight: pwm_bl: make of_device_ids const

[Daniel Thompson]

On 20/06/17 08:52, Arvind Yadav wrote:
> of_device_ids are not supposed to change at runtime. All functions
> working with of_device_ids provided by <linux/of.h> work with const
> of_device_ids. So mark the non-const structs as const.
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>

Acked-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>


> ---
>   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 002f1ce..9bd1768 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" },
>   	{ }
>   };