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Subject: media: sun4i_csi: Implement link validate for sun4i_csi subdev Author: Laurent Pinchart laurent.pinchart+renesas@ideasonboard.com Date: Wed Jun 19 02:46:16 2024 +0300
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.
Fixes: 577bbf23b758 ("media: sunxi: Add A10 CSI driver") Cc: stable@vger.kernel.org Signed-off-by: Laurent Pinchart laurent.pinchart+renesas@ideasonboard.com Acked-by: Chen-Yu Tsai wens@csie.org Reviewed-by: Tomi Valkeinen tomi.valkeinen+renesas@ideasonboard.com Acked-by: Sakari Ailus sakari.ailus@linux.intel.com
drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c | 5 +++++ 1 file changed, 5 insertions(+)
---
diff --git a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c index 097a3a08ef7d..dbb26c7b2f8d 100644 --- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c +++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c @@ -39,6 +39,10 @@ static const struct media_entity_operations sun4i_csi_video_entity_ops = { .link_validate = v4l2_subdev_link_validate, };
+static const struct media_entity_operations sun4i_csi_subdev_entity_ops = { + .link_validate = v4l2_subdev_link_validate, +}; + static int sun4i_csi_notify_bound(struct v4l2_async_notifier *notifier, struct v4l2_subdev *subdev, struct v4l2_async_connection *asd) @@ -214,6 +218,7 @@ static int sun4i_csi_probe(struct platform_device *pdev) subdev->internal_ops = &sun4i_csi_subdev_internal_ops; subdev->flags = V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; subdev->entity.function = MEDIA_ENT_F_VID_IF_BRIDGE; + subdev->entity.ops = &sun4i_csi_subdev_entity_ops; subdev->owner = THIS_MODULE; snprintf(subdev->name, sizeof(subdev->name), "sun4i-csi-0"); v4l2_set_subdevdata(subdev, csi);