Hi Tomi,
Thank you for the patch.
On Mon, Jul 31, 2023 at 04:24:35PM +0300, Tomi Valkeinen wrote:
> 1029939b3782 ("media: v4l: async: Simplify async sub-device fwnode
s/^/Commit /
> matching") recently changed how async sub-device matching works. This
> breaks the UB9x3 drivers, as they set the subdev.fwnode to an endpoint.
> Afaiu, the fix is simply to not set subdev.fwnode at all.
>
> Fixes: 1029939b3782 ("media: v4l: async: Simplify async sub-device fwnode matching")
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
> Cc: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Sakari, was the v4l2-async series meant to break these drivers ? I
understand the two series got merged for the same kernel version, is
this a merge conflict, or is there an issue in the v4l2-async rework ?
> ---
> drivers/media/i2c/ds90ub913.c | 14 +-------------
> drivers/media/i2c/ds90ub953.c | 13 +------------
> 2 files changed, 2 insertions(+), 25 deletions(-)
>
> diff --git a/drivers/media/i2c/ds90ub913.c b/drivers/media/i2c/ds90ub913.c
> index 80d9cf6dd945..5410ccb54057 100644
> --- a/drivers/media/i2c/ds90ub913.c
> +++ b/drivers/media/i2c/ds90ub913.c
> @@ -749,19 +749,9 @@ static int ub913_subdev_init(struct ub913_data *priv)
> if (ret)
> return dev_err_probe(dev, ret, "Failed to init pads\n");
>
> - priv->sd.fwnode = fwnode_graph_get_endpoint_by_id(dev_fwnode(dev),
> - UB913_PAD_SOURCE, 0,
> - 0);
> -
> - if (!priv->sd.fwnode) {
> - ret = -ENODEV;
> - dev_err_probe(dev, ret, "Missing TX endpoint\n");
> - goto err_entity_cleanup;
> - }
> -
> ret = v4l2_subdev_init_finalize(&priv->sd);
> if (ret)
> - goto err_fwnode_put;
> + goto err_entity_cleanup;
>
> ret = ub913_v4l2_notifier_register(priv);
> if (ret) {
> @@ -782,8 +772,6 @@ static int ub913_subdev_init(struct ub913_data *priv)
> ub913_v4l2_nf_unregister(priv);
> err_subdev_cleanup:
> v4l2_subdev_cleanup(&priv->sd);
> -err_fwnode_put:
> - fwnode_handle_put(priv->sd.fwnode);
> err_entity_cleanup:
> media_entity_cleanup(&priv->sd.entity);
>
> diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c
> index cadf75eb0773..20b9cf893f74 100644
> --- a/drivers/media/i2c/ds90ub953.c
> +++ b/drivers/media/i2c/ds90ub953.c
> @@ -1221,18 +1221,9 @@ static int ub953_subdev_init(struct ub953_data *priv)
> if (ret)
> return dev_err_probe(dev, ret, "Failed to init pads\n");
>
> - priv->sd.fwnode = fwnode_graph_get_endpoint_by_id(dev_fwnode(dev),
> - UB953_PAD_SOURCE, 0,
> - 0);
> - if (!priv->sd.fwnode) {
> - ret = -ENODEV;
> - dev_err_probe(dev, ret, "Missing TX endpoint\n");
> - goto err_entity_cleanup;
> - }
> -
> ret = v4l2_subdev_init_finalize(&priv->sd);
> if (ret)
> - goto err_fwnode_put;
> + goto err_entity_cleanup;
>
> ret = ub953_v4l2_notifier_register(priv);
> if (ret) {
> @@ -1253,8 +1244,6 @@ static int ub953_subdev_init(struct ub953_data *priv)
> ub953_v4l2_notifier_unregister(priv);
> err_free_state:
> v4l2_subdev_cleanup(&priv->sd);
> -err_fwnode_put:
> - fwnode_handle_put(priv->sd.fwnode);
> err_entity_cleanup:
> media_entity_cleanup(&priv->sd.entity);
>
>
--
Regards,
Laurent Pinchart
