[PATCH 42/46] dmaengine: at_xdmac: 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_dma_unregister

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

diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 4bf72561667c..c220f667be80 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -2041,7 +2041,7 @@ static int at_xdmac_probe(struct platform_device *pdev)
        }
        platform_set_drvdata(pdev, atxdmac);
 
-       ret = dma_async_device_register(&atxdmac->dma);
+       ret = dmaenginem_async_device_register(&atxdmac->dma);
        if (ret) {
                dev_err(&pdev->dev, "fail to register DMA engine device\n");
                goto err_clk_disable;
@@ -2051,7 +2051,7 @@ static int at_xdmac_probe(struct platform_device *pdev)
                                         at_xdmac_xlate, atxdmac);
        if (ret) {
                dev_err(&pdev->dev, "could not register of dma controller\n");
-               goto err_dma_unregister;
+               goto err_clk_disable;
        }
 
        dev_info(&pdev->dev, "%d channels, mapped at 0x%p\n",
@@ -2059,8 +2059,6 @@ static int at_xdmac_probe(struct platform_device *pdev)
 
        return 0;
 
-err_dma_unregister:
-       dma_async_device_unregister(&atxdmac->dma);
 err_clk_disable:
        clk_disable_unprepare(atxdmac->clk);
 err_free_irq:
@@ -2075,7 +2073,6 @@ static int at_xdmac_remove(struct platform_device *pdev)
 
        at_xdmac_off(atxdmac);
        of_dma_controller_free(pdev->dev.of_node);
-       dma_async_device_unregister(&atxdmac->dma);
        clk_disable_unprepare(atxdmac->clk);
 
        free_irq(atxdmac->irq, atxdmac);
-- 
2.17.1