linux-kernel - [PATCH 05/46] dmaengine: txx9dmac: use dmaenginem_async_device

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Message-Id: <20180803072016.21544-6-sjhuang@iluvatar.ai>
Date:   Fri,  3 Aug 2018 15:19:35 +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 05/46] dmaengine: txx9dmac: 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/txx9dmac.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c
index eb45af71d3a3..1e97bee485d7 100644
--- a/drivers/dma/txx9dmac.c
+++ b/drivers/dma/txx9dmac.c
@@ -1147,7 +1147,7 @@ static int __init txx9dmac_chan_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, dc);
 
-	err = dma_async_device_register(&dc->dma);
+	err = dmaenginem_async_device_register(&dc->dma);
 	if (err)
 		return err;
 	dev_dbg(&pdev->dev, "TXx9 DMA Channel (dma%d%s%s)\n",
@@ -1162,8 +1162,6 @@ static int txx9dmac_chan_remove(struct platform_device *pdev)
 {
 	struct txx9dmac_chan *dc = platform_get_drvdata(pdev);
 
-
-	dma_async_device_unregister(&dc->dma);
 	if (dc->irq >= 0) {
 		devm_free_irq(&pdev->dev, dc->irq, dc);
 		tasklet_kill(&dc->tasklet);
-- 
2.17.1