Re: [PATCH v2 2/3] media: rkisp1: Make local immutable array variables static const

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Hi Dafna,

Are you fine with this patch, can I include it in my next pull request
along with the other ones from the series ?

On Thu, Nov 17, 2022 at 05:42:16PM +0900, Paul Elder wrote:
> From: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> 
> The max_widths and max_heights variables in rkisp1_try_fmt() are
> immutable and don't need to be allocated on the stack every time the
> function is called. Make them static.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> Reviewed-by: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx>
> ---
>  .../media/platform/rockchip/rkisp1/rkisp1-capture.c  | 12 ++++++++----
>  1 file changed, 8 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
> index 7695ef134908..91e685fdbbe9 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
> @@ -1150,13 +1150,17 @@ static void rkisp1_try_fmt(const struct rkisp1_capture *cap,
>  			   const struct rkisp1_capture_fmt_cfg **fmt_cfg,
>  			   const struct v4l2_format_info **fmt_info)
>  {
> +	static const unsigned int max_widths[] = {
> +		RKISP1_RSZ_MP_SRC_MAX_WIDTH,
> +		RKISP1_RSZ_SP_SRC_MAX_WIDTH,
> +	};
> +	static const unsigned int max_heights[] = {
> +		RKISP1_RSZ_MP_SRC_MAX_HEIGHT,
> +		RKISP1_RSZ_SP_SRC_MAX_HEIGHT,
> +	};
>  	const struct rkisp1_capture_config *config = cap->config;
>  	const struct rkisp1_capture_fmt_cfg *fmt;
>  	const struct v4l2_format_info *info;
> -	const unsigned int max_widths[] = { RKISP1_RSZ_MP_SRC_MAX_WIDTH,
> -					    RKISP1_RSZ_SP_SRC_MAX_WIDTH };
> -	const unsigned int max_heights[] = { RKISP1_RSZ_MP_SRC_MAX_HEIGHT,
> -					     RKISP1_RSZ_SP_SRC_MAX_HEIGHT};
>  
>  	fmt = rkisp1_find_fmt_cfg(cap, pixm->pixelformat);
>  	if (!fmt) {
> -- 
> 2.35.1
> 

-- 
Regards,

Laurent Pinchart



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