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dmaengine: mmp_tdma: use dmaenginem_async_device_register to simplify the code 

Use dmaenginem_async_device_register to simplify the code:
	remove dma_async_device_unregister.
	return error if it fails.

Signed-off-by: Huang Shijie <sjhuang@iluvatar.ai>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
hifive-unleashed-5.1
Huang Shijie 2018-08-06 16:52:26 +08:00 committed by Vinod Koul
parent 42f604b651
commit a5f99a9586
1 changed files with 2 additions and 5 deletions
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7
drivers/dma/mmp_tdma.c
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@ -530,9 +530,6 @@ static void mmp_tdma_issue_pending(struct dma_chan *chan)
static int mmp_tdma_remove(struct platform_device *pdev)
{
struct mmp_tdma_device *tdev = platform_get_drvdata(pdev);
dma_async_device_unregister(&tdev->device);
return 0;
}
@ -696,7 +693,7 @@ static int mmp_tdma_probe(struct platform_device *pdev)
dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
platform_set_drvdata(pdev, tdev);
ret = dma_async_device_register(&tdev->device);
ret = dmaenginem_async_device_register(&tdev->device);
if (ret) {
dev_err(tdev->device.dev, "unable to register\n");
return ret;
@ -708,7 +705,7 @@ static int mmp_tdma_probe(struct platform_device *pdev)
if (ret) {
dev_err(tdev->device.dev,
"failed to register controller\n");
dma_async_device_unregister(&tdev->device);
return ret;
}
}