media: rkisp1: resizer: Constify argument and local variables

Pointers to v4l2_mbus_framefmt and v4l2_rect instances don't need to be
modified when configuring the resizer. Make them const.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
index bca111711cee77cc1a873e42ecbb1ad7e8fc7964..26f9c16ccc3e84c1610b3190256fd3972a50d7a0 100644 (file)
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c
@@ -206,10 +206,10 @@ static void rkisp1_rsz_disable(struct rkisp1_resizer *rsz,
 }
 
 static void rkisp1_rsz_config_regs(struct rkisp1_resizer *rsz,
-                                  struct v4l2_rect *sink_y,
-                                  struct v4l2_rect *sink_c,
-                                  struct v4l2_rect *src_y,
-                                  struct v4l2_rect *src_c,
+                                  const struct v4l2_rect *sink_y,
+                                  const struct v4l2_rect *sink_c,
+                                  const struct v4l2_rect *src_y,
+                                  const struct v4l2_rect *src_c,
                                   enum rkisp1_shadow_regs_when when)
 {
        u32 ratio, rsz_ctrl = 0;
@@ -270,9 +270,9 @@ static void rkisp1_rsz_config(struct rkisp1_resizer *rsz,
                              enum rkisp1_shadow_regs_when when)
 {
        const struct rkisp1_rsz_yuv_mbus_info *sink_yuv_info, *src_yuv_info;
+       const struct v4l2_mbus_framefmt *src_fmt, *sink_fmt;
+       const struct v4l2_rect *sink_crop;
        struct v4l2_rect sink_y, sink_c, src_y, src_c;
-       struct v4l2_mbus_framefmt *src_fmt, *sink_fmt;
-       struct v4l2_rect *sink_crop;
 
        sink_fmt = v4l2_subdev_get_pad_format(&rsz->sd, sd_state,
                                              RKISP1_RSZ_PAD_SINK);