Tomi, could you please test this patch ?
On Thu, May 25, 2023 at 12:15:46PM +0300, Sakari Ailus wrote:
> The async notifier bound callback does a lot of checks that have probably
> been always unnecessary. Remove the lookup of the async subev that we
> already have, as well as the debug print that is already printed by the
> framework.
>
> Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> ---
> drivers/media/platform/xilinx/xilinx-vipp.c | 32 ++++-----------------
> 1 file changed, 5 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/media/platform/xilinx/xilinx-vipp.c b/drivers/media/platform/xilinx/xilinx-vipp.c
> index 3123216b3f70e..b309af0c83749 100644
> --- a/drivers/media/platform/xilinx/xilinx-vipp.c
> +++ b/drivers/media/platform/xilinx/xilinx-vipp.c
> @@ -312,36 +312,14 @@ static int xvip_graph_notify_complete(struct v4l2_async_notifier *notifier)
>
> static int xvip_graph_notify_bound(struct v4l2_async_notifier *notifier,
> struct v4l2_subdev *subdev,
> - struct v4l2_async_subdev *unused)
> + struct v4l2_async_subdev *asd)
> {
> - struct xvip_composite_device *xdev =
> - container_of(notifier, struct xvip_composite_device, notifier);
> - struct xvip_graph_entity *entity;
> - struct v4l2_async_subdev *asd;
> + struct xvip_graph_entity *entity = to_xvip_entity(asd);
>
> - /* Locate the entity corresponding to the bound subdev and store the
> - * subdev pointer.
> - */
> - list_for_each_entry(asd, &xdev->notifier.asd_list, asd_list) {
> - entity = to_xvip_entity(asd);
> + entity->entity = &subdev->entity;
> + entity->subdev = subdev;
>
> - if (entity->asd.match.fwnode != subdev->fwnode)
> - continue;
> -
> - if (entity->subdev) {
> - dev_err(xdev->dev, "duplicate subdev for node %p\n",
> - entity->asd.match.fwnode);
> - return -EINVAL;
> - }
> -
> - dev_dbg(xdev->dev, "subdev %s bound\n", subdev->name);
> - entity->entity = &subdev->entity;
> - entity->subdev = subdev;
> - return 0;
> - }
> -
> - dev_err(xdev->dev, "no entity for subdev %s\n", subdev->name);
> - return -EINVAL;
> + return 0;
> }
>
> static const struct v4l2_async_notifier_operations xvip_graph_notify_ops = {
--
Regards,
Laurent Pinchart
