linux-kernel - [PATCH 31/46] dmaengine: moxart-dma: use dmaenginem_async_device

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Message-Id: <20180803072016.21544-32-sjhuang@iluvatar.ai>
Date:   Fri,  3 Aug 2018 15:20:01 +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 31/46] dmaengine: moxart-dma: 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/moxart-dma.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/dma/moxart-dma.c b/drivers/dma/moxart-dma.c
index e04499c1f27f..80bff27c5f9b 100644
--- a/drivers/dma/moxart-dma.c
+++ b/drivers/dma/moxart-dma.c
@@ -618,7 +618,7 @@ static int moxart_probe(struct platform_device *pdev)
 	}
 	mdc->irq = irq;
 
-	ret = dma_async_device_register(&mdc->dma_slave);
+	ret = dmaenginem_async_device_register(&mdc->dma_slave);
 	if (ret) {
 		dev_err(dev, "dma_async_device_register failed\n");
 		return ret;
@@ -627,7 +627,6 @@ static int moxart_probe(struct platform_device *pdev)
 	ret = of_dma_controller_register(node, moxart_of_xlate, mdc);
 	if (ret) {
 		dev_err(dev, "of_dma_controller_register failed\n");
-		dma_async_device_unregister(&mdc->dma_slave);
 		return ret;
 	}
 
@@ -642,8 +641,6 @@ static int moxart_remove(struct platform_device *pdev)
 
 	devm_free_irq(&pdev->dev, m->irq, m);
 
-	dma_async_device_unregister(&m->dma_slave);
-
 	if (pdev->dev.of_node)
 		of_dma_controller_free(pdev->dev.of_node);
 
-- 
2.17.1