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dmaengine: dma-jz4780: 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_unregister_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 16:52:28 +08:00 committed by Vinod Koul
parent fc9826dec5
commit 0f5a5e5700
1 changed files with 2 additions and 6 deletions
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8
drivers/dma/dma-jz4780.c
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@ -847,7 +847,7 @@ static int jz4780_dma_probe(struct platform_device *pdev)
jzchan->vchan.desc_free = jz4780_dma_desc_free;
}
ret = dma_async_device_register(dd);
ret = dmaenginem_async_device_register(dd);
if (ret) {
dev_err(dev, "failed to register device\n");
goto err_disable_clk;
@ -858,15 +858,12 @@ static int jz4780_dma_probe(struct platform_device *pdev)
jzdma);
if (ret) {
dev_err(dev, "failed to register OF DMA controller\n");
goto err_unregister_dev;
goto err_disable_clk;
}
dev_info(dev, "JZ4780 DMA controller initialised\n");
return 0;
err_unregister_dev:
dma_async_device_unregister(dd);
err_disable_clk:
clk_disable_unprepare(jzdma->clk);
@ -887,7 +884,6 @@ static int jz4780_dma_remove(struct platform_device *pdev)
for (i = 0; i < JZ_DMA_NR_CHANNELS; i++)
tasklet_kill(&jzdma->chan[i].vchan.task);
dma_async_device_unregister(&jzdma->dma_device);
return 0;
}