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media: xilinx-vipp: Init async notifier after registering V4L2 device 

Initialise the V4L2 async notifier after registering the V4L2 device, just
before parsing DT for async sub-devices. This way the device can be made
available to the V4L2 async framework from the notifier init time onwards.
A subsequent patch will add struct v4l2_device as an argument to
v4l2_async_nf_init().

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de> # imx6qp
Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> # rcar + adv746x
Tested-by: Aishwarya Kothari <aishwarya.kothari@toradex.com> # Apalis i.MX6Q with TC358743
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> # Renesas RZ/G2L SMARC
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Sakari Ailus 2023-03-29 15:46:12 +02:00 committed by Mauro Carvalho Chehab
parent f6336d8906
commit 7f81d6f0dc
1 changed files with 2 additions and 1 deletions
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3
drivers/media/platform/xilinx/xilinx-vipp.c
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@ -494,6 +494,8 @@ static int xvip_graph_init(struct xvip_composite_device *xdev)
goto done;
}
v4l2_async_nf_init(&xdev->notifier);
/* Parse the graph to extract a list of subdevice DT nodes. */
ret = xvip_graph_parse(xdev);
if (ret < 0) {
@ -574,7 +576,6 @@ static int xvip_composite_probe(struct platform_device *pdev)
xdev->dev = &pdev->dev;
INIT_LIST_HEAD(&xdev->dmas);
v4l2_async_nf_init(&xdev->notifier);
ret = xvip_composite_v4l2_init(xdev);
if (ret < 0)