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[media] m2m-deinterlace: Convert to devm* API

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Replace resource handling in the driver with managed device resource.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Alexander Shiyan 2014-05-24 02:03:16 -03:00 committed by Mauro Carvalho Chehab
parent ebdae6507b
commit 3c1e7f2756
1 changed files with 2 additions and 5 deletions
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7
drivers/media/platform/m2m-deinterlace.c
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@ -1002,7 +1002,7 @@ static int deinterlace_probe(struct platform_device *pdev)
dma_cap_mask_t mask;
int ret = 0;
pcdev = kzalloc(sizeof *pcdev, GFP_KERNEL);
pcdev = devm_kzalloc(&pdev->dev, sizeof(*pcdev), GFP_KERNEL);
if (!pcdev)
return -ENOMEM;
@ -1012,7 +1012,7 @@ static int deinterlace_probe(struct platform_device *pdev)
dma_cap_set(DMA_INTERLEAVE, mask);
pcdev->dma_chan = dma_request_channel(mask, NULL, pcdev);
if (!pcdev->dma_chan)
goto free_dev;
return -ENODEV;
if (!dma_has_cap(DMA_INTERLEAVE, pcdev->dma_chan->device->cap_mask)) {
v4l2_err(&pcdev->v4l2_dev, "DMA does not support INTERLEAVE\n");
@ -1078,8 +1078,6 @@ static int deinterlace_probe(struct platform_device *pdev)
v4l2_device_unregister(&pcdev->v4l2_dev);
rel_dma:
dma_release_channel(pcdev->dma_chan);
free_dev:
kfree(pcdev);
return ret;
}
@ -1094,7 +1092,6 @@ static int deinterlace_remove(struct platform_device *pdev)
v4l2_device_unregister(&pcdev->v4l2_dev);
vb2_dma_contig_cleanup_ctx(pcdev->alloc_ctx);
dma_release_channel(pcdev->dma_chan);
kfree(pcdev);
return 0;
}