[PATCH v2 02/12] media: imx-mipi-csis: Simplify access to source pad

[Frank Li]

On Thu, Aug 21, 2025 at 03:09:34AM +0300, Laurent Pinchart wrote:
> The mipi_csis_calculate_params() function needs to access the pad of the
> connected source. The pad is already available in csis->source.pad, but
> the function takes a convoluted path by getting the pad index and
> indexing the source subdev's pads array. Simplify it.

Generally, I like add "No functionality change" in commit message to help
reviewer or developer direct skip this commit when bisect commit to
indentify problem.

Reviewed-by: Frank Li <Frank.Li at nxp.com>

Frank Li

>
> Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> ---
>  drivers/media/platform/nxp/imx-mipi-csis.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/media/platform/nxp/imx-mipi-csis.c b/drivers/media/platform/nxp/imx-mipi-csis.c
> index 2beb5f43c2c0..46f93cd677e3 100644
> --- a/drivers/media/platform/nxp/imx-mipi-csis.c
> +++ b/drivers/media/platform/nxp/imx-mipi-csis.c
> @@ -579,13 +579,11 @@ static void __mipi_csis_set_format(struct mipi_csis_device *csis,
>  static int mipi_csis_calculate_params(struct mipi_csis_device *csis,
>  				      const struct csis_pix_format *csis_fmt)
>  {
> -	struct media_pad *src_pad =
> -		&csis->source.sd->entity.pads[csis->source.pad->index];
>  	s64 link_freq;
>  	u32 lane_rate;
>
>  	/* Calculate the line rate from the pixel rate. */
> -	link_freq = v4l2_get_link_freq(src_pad, csis_fmt->width,
> +	link_freq = v4l2_get_link_freq(csis->source.pad, csis_fmt->width,
>  				       csis->bus.num_data_lanes * 2);
>  	if (link_freq < 0) {
>  		dev_err(csis->dev, "Unable to obtain link frequency: %d\n",
> --
> Regards,
>
> Laurent Pinchart
>