On Fri Nov 22 16:55:24 2024 +0200, Cosmin Tanislav wrote:
> When creating links from a subdev to a sink, the current logic tries to
> iterate over the endpoints of dev's fwnode.
>
> This might not be correct when the subdev uses a different fwnode
> compared to the dev's fwnode.
>
> If, when registering, the subdev's fwnode is not set, the code inside
> v4l2_async_register_subdev will set it to the dev's fwnode.
>
> To fix this, just use the subdev's fwnode.
>
> Signed-off-by: Cosmin Tanislav <demonsin...@gmail.com>
> Fixes: 0d3c81e82da9 ("media: v4l2-mc: add v4l2_create_fwnode_links helpers")
> Cc: sta...@vger.kernel.org
> Reviewed-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
> Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org>
Patch committed.
Thanks,
Mauro Carvalho Chehab
drivers/media/v4l2-core/v4l2-mc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/drivers/media/v4l2-core/v4l2-mc.c
b/drivers/media/v4l2-core/v4l2-mc.c
index 4bb91359e3a9..937d358697e1 100644
--- a/drivers/media/v4l2-core/v4l2-mc.c
+++ b/drivers/media/v4l2-core/v4l2-mc.c
@@ -329,7 +329,7 @@ int v4l2_create_fwnode_links_to_pad(struct v4l2_subdev
*src_sd,
if (!(sink->flags & MEDIA_PAD_FL_SINK))
return -EINVAL;
- fwnode_graph_for_each_endpoint(dev_fwnode(src_sd->dev), endpoint) {
+ fwnode_graph_for_each_endpoint(src_sd->fwnode, endpoint) {
struct fwnode_handle *remote_ep;
int src_idx, sink_idx, ret;
struct media_pad *src;
