Hi Laurent, On Wed, Jun 19, 2024 at 04:23:50AM +0300, Laurent Pinchart wrote: > The sun4i_csi driver doesn't implement link validation for the subdev it > registers, leaving the link between the subdev and its source > unvalidated. Fix it, using the v4l2_subdev_link_validate() helper. > > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> This looks like a bugfix. Shouldn't this be backported? -- Sakari Ailus