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Code Issues Releases Wiki Activity

dmaengine: st_fdma: use dmaenginem_async_device_register to simplify the code 

Use dmaenginem_async_device_register to simplify the code:
	remove dma_async_device_unregister.
	remove label err_dma_dev

Signed-off-by: Huang Shijie <sjhuang@iluvatar.ai>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Huang Shijie 2018-08-06 17:43:28 +08:00 committed by Vinod Koul
parent 5b394b2ddf
commit a5c1d8ec73
1 changed files with 2 additions and 5 deletions
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7
drivers/dma/st_fdma.c
View File

@ -833,7 +833,7 @@ static int st_fdma_probe(struct platform_device *pdev)
fdev->dma_device.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
fdev->dma_device.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
ret = dma_async_device_register(&fdev->dma_device);
ret = dmaenginem_async_device_register(&fdev->dma_device);
if (ret) {
dev_err(&pdev->dev,
"Failed to register DMA device (%d)\n", ret);
@ -844,15 +844,13 @@ static int st_fdma_probe(struct platform_device *pdev)
if (ret) {
dev_err(&pdev->dev,
"Failed to register controller (%d)\n", ret);
goto err_dma_dev;
goto err_rproc;
}
dev_info(&pdev->dev, "ST FDMA engine driver, irq:%d\n", fdev->irq);
return 0;
err_dma_dev:
dma_async_device_unregister(&fdev->dma_device);
err_rproc:
st_fdma_free(fdev);
st_slim_rproc_put(fdev->slim_rproc);
@ -867,7 +865,6 @@ static int st_fdma_remove(struct platform_device *pdev)
devm_free_irq(&pdev->dev, fdev->irq, fdev);
st_slim_rproc_put(fdev->slim_rproc);
of_dma_controller_free(pdev->dev.of_node);
dma_async_device_unregister(&fdev->dma_device);
return 0;
}