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media: qcom: Initialise V4L2 async notifier later

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Initialise V4L2 async notifier and parse DT for async sub-devices later,
just before registering the notifier. 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>
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
2023-03-30 11:37:02 +02:00
committed by Mauro Carvalho Chehab
parent 2c62a9b8e4
commit 5651bab689
1 changed files with 10 additions and 11 deletions
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21
drivers/media/platform/qcom/camss/camss.c
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@@ -1615,14 +1615,6 @@ static int camss_probe(struct platform_device *pdev)
if (!camss->vfe)
return -ENOMEM;
v4l2_async_nf_init(&camss->notifier);
num_subdevs = camss_of_parse_ports(camss);
if (num_subdevs < 0) {
ret = num_subdevs;
goto err_cleanup;
}
ret = camss_icc_get(camss);
if (ret < 0)
goto err_cleanup;
@@ -1648,9 +1640,17 @@ static int camss_probe(struct platform_device *pdev)
goto err_cleanup;
}
v4l2_async_nf_init(&camss->notifier);
num_subdevs = camss_of_parse_ports(camss);
if (num_subdevs < 0) {
ret = num_subdevs;
goto err_cleanup;
}
ret = camss_register_entities(camss);
if (ret < 0)
goto err_register_entities;
goto err_cleanup;
if (num_subdevs) {
camss->notifier.ops = &camss_subdev_notifier_ops;
@@ -1691,9 +1691,8 @@ static int camss_probe(struct platform_device *pdev)
err_register_subdevs:
camss_unregister_entities(camss);
err_register_entities:
v4l2_device_unregister(&camss->v4l2_dev);
err_cleanup:
v4l2_device_unregister(&camss->v4l2_dev);
v4l2_async_nf_cleanup(&camss->notifier);
return ret;