[PATCH 28/46] dmaengine: rcar-dmac: 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.

Signed-off-by: Huang Shijie <sjhuang@xxxxxxxxxxx>
---
 drivers/dma/sh/rcar-dmac.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
index 48ee35e2bce6..87130b3eef5c 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -1884,7 +1884,7 @@ static int rcar_dmac_probe(struct platform_device *pdev)
 	 *
 	 * Default transfer size of 32 bytes requires 32-byte alignment.
 	 */
-	ret = dma_async_device_register(engine);
+	ret = dmaenginem_async_device_register(engine);
 	if (ret < 0)
 		goto error;
 
@@ -1898,10 +1898,7 @@ static int rcar_dmac_probe(struct platform_device *pdev)
 
 static int rcar_dmac_remove(struct platform_device *pdev)
 {
-	struct rcar_dmac *dmac = platform_get_drvdata(pdev);
-
 	of_dma_controller_free(pdev->dev.of_node);
-	dma_async_device_unregister(&dmac->engine);
 
 	pm_runtime_disable(&pdev->dev);
 
-- 
2.17.1