[PATCH 2/2] media: rkisp1: Mark subdev state pointers as const

[Nicolas Dufresne]

Just passed by this one ...

Le lundi 06 mai 2024 à 20:52 +0300, Laurent Pinchart a écrit :
> Several subdev state pointers are used to access the state read-only.
> Mark them as const.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>

Reviewed-by: Nicolas Dufresne <nicolas.dufresne at collabora.com>

> ---
>  drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c     | 8 ++++----
>  drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c | 8 ++++----
>  2 files changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
> index e45a213baf49..91301d17d356 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
> @@ -173,7 +173,7 @@ static void rkisp1_gasket_disable(struct rkisp1_device *rkisp1)
>   * or at the frame end interrupt
>   */
>  static void rkisp1_config_ism(struct rkisp1_isp *isp,
> -			      struct v4l2_subdev_state *sd_state)
> +			      const struct v4l2_subdev_state *sd_state)
>  {
>  	const struct v4l2_rect *src_crop =
>  		v4l2_subdev_state_get_crop(sd_state,
> @@ -201,7 +201,7 @@ static void rkisp1_config_ism(struct rkisp1_isp *isp,
>   * configure ISP blocks with input format, size......
>   */
>  static int rkisp1_config_isp(struct rkisp1_isp *isp,
> -			     struct v4l2_subdev_state *sd_state,
> +			     const struct v4l2_subdev_state *sd_state,
>  			     enum v4l2_mbus_type mbus_type, u32 mbus_flags)
>  {
>  	struct rkisp1_device *rkisp1 = isp->rkisp1;
> @@ -309,7 +309,7 @@ static int rkisp1_config_isp(struct rkisp1_isp *isp,
>  	if (src_fmt->pixel_enc == V4L2_PIXEL_ENC_BAYER) {
>  		rkisp1_params_disable(&rkisp1->params);
>  	} else {
> -		struct v4l2_mbus_framefmt *src_frm;
> +		const struct v4l2_mbus_framefmt *src_frm;
>  
>  		src_frm = v4l2_subdev_state_get_format(sd_state,
>  						       RKISP1_ISP_PAD_SOURCE_VIDEO);
> @@ -429,7 +429,7 @@ static void rkisp1_config_clk(struct rkisp1_isp *isp)
>  }
>  
>  static int rkisp1_isp_start(struct rkisp1_isp *isp,
> -			    struct v4l2_subdev_state *sd_state,
> +			    const struct v4l2_subdev_state *sd_state,
>  			    struct media_pad *source)
>  {
>  	struct rkisp1_device *rkisp1 = isp->rkisp1;
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
> index 6f3931ca5b51..1fa991227fa9 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
> @@ -135,11 +135,11 @@ static void rkisp1_dcrop_disable(struct rkisp1_resizer *rsz,
>  
>  /* configure dual-crop unit */
>  static void rkisp1_dcrop_config(struct rkisp1_resizer *rsz,
> -				struct v4l2_subdev_state *sd_state)
> +				const struct v4l2_subdev_state *sd_state)
>  {
>  	struct rkisp1_device *rkisp1 = rsz->rkisp1;
> -	struct v4l2_mbus_framefmt *sink_fmt;
> -	struct v4l2_rect *sink_crop;
> +	const struct v4l2_mbus_framefmt *sink_fmt;
> +	const struct v4l2_rect *sink_crop;
>  	u32 dc_ctrl;
>  
>  	sink_crop = v4l2_subdev_state_get_crop(sd_state, RKISP1_RSZ_PAD_SINK);
> @@ -264,7 +264,7 @@ static void rkisp1_rsz_config_regs(struct rkisp1_resizer *rsz,
>  }
>  
>  static void rkisp1_rsz_config(struct rkisp1_resizer *rsz,
> -			      struct v4l2_subdev_state *sd_state,
> +			      const struct v4l2_subdev_state *sd_state,
>  			      enum rkisp1_shadow_regs_when when)
>  {
>  	const struct rkisp1_rsz_yuv_mbus_info *sink_yuv_info, *src_yuv_info;