linux-kernel - [PATCH 35/46] dmaengine: mtk-hsdma: use dmaenginem_async_device

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Message-Id: <20180803072016.21544-36-sjhuang@iluvatar.ai>
Date:   Fri,  3 Aug 2018 15:20:05 +0800
From:   Huang Shijie <sjhuang@...vatar.ai>
To:     vkoul@...nel.org
Cc:     dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        dave.jiang@...el.com, radhey.shyam.pandey@...inx.com,
        appana.durga.rao@...inx.com, jmkrzyszt@...il.com,
        gomonovych@...il.com, peter.ujfalusi@...com, keescook@...omium.org,
        horms+renesas@...ge.net.au, geert+renesas@...der.be,
        shawnguo@...nel.org, baoyou.xie@...aro.org,
        michal.simek@...inx.com, baohua@...nel.org,
        ludovic.desroches@...rochip.com, linus.walleij@...aro.org,
        david.brown@...aro.org, Huang Shijie <sjhuang@...vatar.ai>
Subject: [PATCH 35/46] dmaengine: mtk-hsdma: 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@...vatar.ai>
---
 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