dmaengine: pxa_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>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c
index b31c28b..21001ea 100644 (file)
--- a/drivers/dma/pxa_dma.c
+++ b/drivers/dma/pxa_dma.c
@@ -1285,7 +1285,6 @@ static int pxad_remove(struct platform_device *op)
 
        pxad_cleanup_debugfs(pdev);
        pxad_free_channels(&pdev->slave);
-       dma_async_device_unregister(&pdev->slave);
        return 0;
 }
 
@@ -1396,7 +1395,7 @@ static int pxad_init_dmadev(struct platform_device *op,
                init_waitqueue_head(&c->wq_state);
        }
 
-       return dma_async_device_register(&pdev->slave);
+       return dmaenginem_async_device_register(&pdev->slave);
 }
 
 static int pxad_probe(struct platform_device *op)