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authorSakari Ailus <[email protected]>2023-03-29 14:54:05 +0200
committerMauro Carvalho Chehab <[email protected]>2023-08-10 07:58:31 +0200
commit5073d10cbabae8117b4e176244d5e30881bb75ff (patch)
treef96e2d0b0f9a893774bb2d1c85d8466ba6f135f0
parent6e1e132e0038a2a4bce11ff1ad0db3b4564042c9 (diff)
media: pxa_camera: Register V4L2 device early
Register V4L2 device before initialising 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 <[email protected]> Tested-by: Philipp Zabel <[email protected]> # imx6qp Tested-by: Niklas Söderlund <[email protected]> # rcar + adv746x Tested-by: Aishwarya Kothari <[email protected]> # Apalis i.MX6Q with TC358743 Tested-by: Lad Prabhakar <[email protected]> # Renesas RZ/G2L SMARC Signed-off-by: Mauro Carvalho Chehab <[email protected]>
-rw-r--r--drivers/media/platform/intel/pxa_camera.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/media/platform/intel/pxa_camera.c b/drivers/media/platform/intel/pxa_camera.c
index 2453bf58f92d..6112d31c2228 100644
--- a/drivers/media/platform/intel/pxa_camera.c
+++ b/drivers/media/platform/intel/pxa_camera.c
@@ -2298,6 +2298,10 @@ static int pxa_camera_probe(struct platform_device *pdev)
pcdev->irq = irq;
pcdev->base = base;
+ err = v4l2_device_register(&pdev->dev, &pcdev->v4l2_dev);
+ if (err)
+ return err;
+
v4l2_async_nf_init(&pcdev->notifier);
pcdev->res = res;
pcdev->pdata = pdev->dev.platform_data;
@@ -2315,10 +2319,10 @@ static int pxa_camera_probe(struct platform_device *pdev)
} else if (pdev->dev.of_node) {
err = pxa_camera_pdata_from_dt(&pdev->dev, pcdev);
} else {
- return -ENODEV;
+ err = -ENODEV;
}
if (err < 0)
- return err;
+ goto exit_v4l2_device_unregister;
if (!(pcdev->platform_flags & (PXA_CAMERA_DATAWIDTH_8 |
PXA_CAMERA_DATAWIDTH_9 | PXA_CAMERA_DATAWIDTH_10))) {
@@ -2384,13 +2388,10 @@ static int pxa_camera_probe(struct platform_device *pdev)
pxa_camera_activate(pcdev);
platform_set_drvdata(pdev, pcdev);
- err = v4l2_device_register(&pdev->dev, &pcdev->v4l2_dev);
- if (err)
- goto exit_deactivate;
err = pxa_camera_init_videobuf2(pcdev);
if (err)
- goto exit_v4l2_device_unregister;
+ goto exit_deactivate;
/* request irq */
err = devm_request_irq(&pdev->dev, pcdev->irq, pxa_camera_irq, 0,
@@ -2403,11 +2404,9 @@ static int pxa_camera_probe(struct platform_device *pdev)
pcdev->notifier.ops = &pxa_camera_sensor_ops;
err = v4l2_async_nf_register(&pcdev->v4l2_dev, &pcdev->notifier);
if (err)
- goto exit_v4l2_device_unregister;
+ goto exit_deactivate;
return 0;
-exit_v4l2_device_unregister:
- v4l2_device_unregister(&pcdev->v4l2_dev);
exit_deactivate:
pxa_camera_deactivate(pcdev);
tasklet_kill(&pcdev->task_eof);
@@ -2419,6 +2418,8 @@ exit_free_dma_y:
dma_release_channel(pcdev->dma_chans[0]);
exit_notifier_cleanup:
v4l2_async_nf_cleanup(&pcdev->notifier);
+exit_v4l2_device_unregister:
+ v4l2_device_unregister(&pcdev->v4l2_dev);
return err;
}