dmaengine: mxs-dma: use dmaenginem_async_device_register to simplify the code

Use dmaenginem_async_device_register to simplify the code:
	remove dma_async_device_unregister.

Signed-off-by: Huang Shijie <sjhuang@iluvatar.ai>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index ae5182f..35193b3 100644 (file)
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -847,7 +847,7 @@ static int __init mxs_dma_probe(struct platform_device *pdev)
        mxs_dma->dma_device.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
        mxs_dma->dma_device.device_issue_pending = mxs_dma_enable_chan;
 
-       ret = dma_async_device_register(&mxs_dma->dma_device);
+       ret = dmaenginem_async_device_register(&mxs_dma->dma_device);
        if (ret) {
                dev_err(mxs_dma->dma_device.dev, "unable to register\n");
                return ret;
@@ -857,7 +857,6 @@ static int __init mxs_dma_probe(struct platform_device *pdev)
        if (ret) {
                dev_err(mxs_dma->dma_device.dev,
                        "failed to register controller\n");
-               dma_async_device_unregister(&mxs_dma->dma_device);
        }
 
        dev_info(mxs_dma->dma_device.dev, "initialized\n");