[PATCH 35/46] dmaengine: mtk-hsdma: use dmaenginem_async_device_register to simplify the code

From: Huang Shijie
Date: Fri Aug 03 2018 - 03:24:12 EST


Use dmaenginem_async_device_register to simplify the code:
remove dma_async_device_unregister.

Signed-off-by: Huang Shijie <sjhuang@xxxxxxxxxxx>
---
drivers/dma/mediatek/mtk-hsdma.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/dma/mediatek/mtk-hsdma.c b/drivers/dma/mediatek/mtk-hsdma.c
index b7ec56ae02a6..a8b2e84e1556 100644
--- a/drivers/dma/mediatek/mtk-hsdma.c
+++ b/drivers/dma/mediatek/mtk-hsdma.c
@@ -977,7 +977,7 @@ static int mtk_hsdma_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&vc->desc_hw_processing);
}

- err = dma_async_device_register(dd);
+ err = dmaenginem_async_device_register(dd);
if (err)
return err;

@@ -1007,7 +1007,6 @@ static int mtk_hsdma_probe(struct platform_device *pdev)
return 0;

err_unregister:
- dma_async_device_unregister(dd);

return err;
}
@@ -1035,7 +1034,6 @@ static int mtk_hsdma_remove(struct platform_device *pdev)
/* Disable hardware */
mtk_hsdma_hw_deinit(hsdma);

- dma_async_device_unregister(&hsdma->ddev);
of_dma_controller_free(pdev->dev.of_node);

return 0;
--
2.17.1