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Message-ID: <20231009-upstream_csi-v10-11-330aaed24c5d@ti.com>
Date: Mon, 9 Oct 2023 18:39:37 +0530
From: Jai Luthra <j-luthra@...com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
CC: <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
Maxime Ripard <mripard@...nel.org>,
<niklas.soderlund+renesas@...natech.se>,
Benoit Parrot <bparrot@...com>,
Vaishnav Achath <vaishnav.a@...com>,
Vignesh Raghavendra <vigneshr@...com>, <nm@...com>,
<devarsht@...com>, <j-luthra@...com>, <a-bhatia1@...com>,
Martyn Welch <martyn.welch@...labora.com>,
Julien Massot <julien.massot@...labora.com>
Subject: [PATCH v10 11/13] media: cadence: csi2rx: Add link validation
From: Pratyush Yadav <p.yadav@...com>
Add media link validation to make sure incorrectly configured pipelines
are caught.
Signed-off-by: Pratyush Yadav <p.yadav@...com>
Tested-by: Julien Massot <julien.massot@...labora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
Reviewed-by: Maxime Ripard <mripard@...nel.org>
Signed-off-by: Jai Luthra <j-luthra@...com>
---
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 d0c2a5b3d0d5..889f4fbbafb3 100644
--- a/drivers/media/platform/cadence/cdns-csi2rx.c
+++ b/drivers/media/platform/cadence/cdns-csi2rx.c
@@ -453,6 +453,10 @@ 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)
@@ -669,6 +673,7 @@ 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);
--
2.42.0
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