Re: [PATCH v8 13/16] media: cadence: csi2rx: Add link validation

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On 31/07/2023 11:29, Jai Luthra wrote:
From: Pratyush Yadav <p.yadav@xxxxxx>

Add media link validation to make sure incorrectly configured pipelines
are caught.

Signed-off-by: Pratyush Yadav <p.yadav@xxxxxx>
Signed-off-by: Jai Luthra <j-luthra@xxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
v7->v8: No change

  drivers/media/platform/cadence/cdns-csi2rx.c | 5 +++++
  1 file changed, 5 insertions(+)

diff --git a/drivers/media/platform/cadence/cdns-csi2rx.c b/drivers/media/platform/cadence/cdns-csi2rx.c
index d82a8938932f..aec33d28a66f 100644
--- a/drivers/media/platform/cadence/cdns-csi2rx.c
+++ b/drivers/media/platform/cadence/cdns-csi2rx.c
@@ -463,6 +463,10 @@ static const struct v4l2_subdev_ops csi2rx_subdev_ops = {
  	.pad		= &csi2rx_pad_ops,
  };
+static const struct media_entity_operations csi2rx_media_ops = {
+	.link_validate = v4l2_subdev_link_validate,
+};
+
  static int csi2rx_async_bound(struct v4l2_async_notifier *notifier,
  			      struct v4l2_subdev *s_subdev,
  			      struct v4l2_async_connection *asd)
@@ -679,6 +683,7 @@ static int csi2rx_probe(struct platform_device *pdev)
  	for (i = CSI2RX_PAD_SOURCE_STREAM0; i < CSI2RX_PAD_MAX; i++)
  		csi2rx->pads[i].flags = MEDIA_PAD_FL_SOURCE;
  	csi2rx->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+	csi2rx->subdev.entity.ops = &csi2rx_media_ops;
ret = media_entity_pads_init(&csi2rx->subdev.entity, CSI2RX_PAD_MAX,
  				     csi2rx->pads);


Reviewed-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>

 Tomi




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