[PATCH v9 11/13] media: cadence: csi2rx: Add link validation
From: Jai Luthra <hidden>
Date: 2023-08-11 10:48:39
Also in:
linux-arm-kernel, linux-media, lkml
Subsystem:
cadence mipi-csi2 bridges, media input infrastructure (v4l/dvb), the rest · Maintainers:
Maxime Ripard, Mauro Carvalho Chehab, Linus Torvalds
From: Pratyush Yadav <redacted> Add media link validation to make sure incorrectly configured pipelines are caught. Signed-off-by: Pratyush Yadav <redacted> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Reviewed-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Jai Luthra <redacted> --- 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 0947b112a573..5eeeb398cdb5 100644
--- a/drivers/media/platform/cadence/cdns-csi2rx.c
+++ b/drivers/media/platform/cadence/cdns-csi2rx.c@@ -458,6 +458,10 @@ 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)
@@ -674,6 +678,7 @@ 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);
--
2.41.0