[PATCH 44/46] dmaengine: dma-jz4740: use dmaenginem_async_device_register to simplify the code

[Huang Shijie]

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

Signed-off-by: Huang Shijie <sjhu...@iluvatar.ai>
---
 drivers/dma/dma-jz4740.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/dma/dma-jz4740.c b/drivers/dma/dma-jz4740.c
index afd5e10f8927..30513a16e344 100644
--- a/drivers/dma/dma-jz4740.c
+++ b/drivers/dma/dma-jz4740.c
@@ -553,21 +553,19 @@ static int jz4740_dma_probe(struct platform_device *pdev)
                vchan_init(&chan->vchan, dd);
        }
 
-       ret = dma_async_device_register(dd);
+       ret = dmaenginem_async_device_register(dd);
        if (ret)
                goto err_clk;
 
        irq = platform_get_irq(pdev, 0);
        ret = request_irq(irq, jz4740_dma_irq, 0, dev_name(&pdev->dev), dmadev);
        if (ret)
-               goto err_unregister;
+               goto err_clk;
 
        platform_set_drvdata(pdev, dmadev);
 
        return 0;
 
-err_unregister:
-       dma_async_device_unregister(dd);
 err_clk:
        clk_disable_unprepare(dmadev->clk);
        return ret;
@@ -593,7 +591,6 @@ static int jz4740_dma_remove(struct platform_device *pdev)
        free_irq(irq, dmadev);
 
        jz4740_cleanup_vchan(&dmadev->ddev);
-       dma_async_device_unregister(&dmadev->ddev);
        clk_disable_unprepare(dmadev->clk);
 
        return 0;
-- 
2.17.1