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Subject: media: sun4i_csi: Implement link validate for sun4i_csi subdev
Author: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
Acked-by: Chen-Yu Tsai <wens@xxxxxxxx>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen+renesas@xxxxxxxxxxxxxxxx>
Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
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);
