From 17f7db9e6be126439ac322193d541be43bb1f62f Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 19 Jun 2024 02:46:16 +0300 Subject: [PATCH] media: sun4i_csi: Implement link validate for sun4i_csi subdev commit 2dc5d5d401f5c6cecd97800ffef82e8d17d228f0 upstream. 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 Acked-by: Chen-Yu Tsai Reviewed-by: Tomi Valkeinen Acked-by: Sakari Ailus Signed-off-by: Greg Kroah-Hartman --- 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 18e6c65f4737..9c3f522c8ca1 100644 --- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c +++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c @@ -40,6 +40,10 @@ 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_subdev *asd) @@ -214,6 +218,7 @@ static int sun4i_csi_probe(struct platform_device *pdev) v4l2_subdev_init(subdev, &sun4i_csi_subdev_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);