[PATCH 38/46] dmaengine: imx-dma: 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_of_dma_controller

Signed-off-by: Huang Shijie <sjhuang@xxxxxxxxxxx>
---
 drivers/dma/imx-dma.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index 75b6ff0415ee..d651fbea77ee 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -1186,7 +1186,7 @@ static int __init imxdma_probe(struct platform_device *pdev)
 	imxdma->dma_device.dev->dma_parms = &imxdma->dma_parms;
 	dma_set_max_seg_size(imxdma->dma_device.dev, 0xffffff);
 
-	ret = dma_async_device_register(&imxdma->dma_device);
+	ret = dmaenginem_async_device_register(&imxdma->dma_device);
 	if (ret) {
 		dev_err(&pdev->dev, "unable to register\n");
 		goto disable_dma_ahb_clk;
@@ -1197,14 +1197,12 @@ static int __init imxdma_probe(struct platform_device *pdev)
 				imxdma_xlate, imxdma);
 		if (ret) {
 			dev_err(&pdev->dev, "unable to register of_dma_controller\n");
-			goto err_of_dma_controller;
+			goto disable_dma_ahb_clk;
 		}
 	}
 
 	return 0;
 
-err_of_dma_controller:
-	dma_async_device_unregister(&imxdma->dma_device);
 disable_dma_ahb_clk:
 	clk_disable_unprepare(imxdma->dma_ahb);
 disable_dma_ipg_clk:
@@ -1237,8 +1235,6 @@ static int imxdma_remove(struct platform_device *pdev)
 
 	imxdma_free_irq(pdev, imxdma);
 
-        dma_async_device_unregister(&imxdma->dma_device);
-
 	if (pdev->dev.of_node)
 		of_dma_controller_free(pdev->dev.of_node);
 
-- 
2.17.1