linux-kernel - [PATCH 40/46] dmaengine: fsl-edma: use dmaenginem_async_device

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Message-Id: <20180803072016.21544-41-sjhuang@iluvatar.ai>
Date:   Fri,  3 Aug 2018 15:20:10 +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 40/46] dmaengine: fsl-edma: 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/fsl-edma.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c
index c7568869284e..f475efce1d60 100644
--- a/drivers/dma/fsl-edma.c
+++ b/drivers/dma/fsl-edma.c
@@ -972,7 +972,7 @@ static int fsl_edma_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, fsl_edma);
 
-	ret = dma_async_device_register(&fsl_edma->dma_dev);
+	ret = dmaenginem_async_device_register(&fsl_edma->dma_dev);
 	if (ret) {
 		dev_err(&pdev->dev,
 			"Can't register Freescale eDMA engine. (%d)\n", ret);
@@ -984,7 +984,6 @@ static int fsl_edma_probe(struct platform_device *pdev)
 	if (ret) {
 		dev_err(&pdev->dev,
 			"Can't register Freescale eDMA of_dma. (%d)\n", ret);
-		dma_async_device_unregister(&fsl_edma->dma_dev);
 		fsl_disable_clocks(fsl_edma, DMAMUX_NR);
 		return ret;
 	}
@@ -1014,7 +1013,6 @@ static int fsl_edma_remove(struct platform_device *pdev)
 	fsl_edma_irq_exit(pdev, fsl_edma);
 	fsl_edma_cleanup_vchan(&fsl_edma->dma_dev);
 	of_dma_controller_free(np);
-	dma_async_device_unregister(&fsl_edma->dma_dev);
 	fsl_disable_clocks(fsl_edma, DMAMUX_NR);
 
 	return 0;
-- 
2.17.1