linux-kernel - [PATCH 26/46] dmaengine: shdmac: use dmaenginem_async_device

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Message-Id: <20180803072016.21544-27-sjhuang@iluvatar.ai>
Date:   Fri,  3 Aug 2018 15:19:56 +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 26/46] dmaengine: shdmac: 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/sh/shdmac.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c
index 04a74e0a95b7..52060cd21e79 100644
--- a/drivers/dma/sh/shdmac.c
+++ b/drivers/dma/sh/shdmac.c
@@ -866,7 +866,7 @@ static int sh_dmae_probe(struct platform_device *pdev)
 
 	pm_runtime_put(&pdev->dev);
 
-	err = dma_async_device_register(&shdev->shdma_dev.dma_dev);
+	err = dmaenginem_async_device_register(&shdev->shdma_dev.dma_dev);
 	if (err < 0)
 		goto edmadevreg;
 
@@ -897,9 +897,6 @@ static int sh_dmae_probe(struct platform_device *pdev)
 static int sh_dmae_remove(struct platform_device *pdev)
 {
 	struct sh_dmae_device *shdev = platform_get_drvdata(pdev);
-	struct dma_device *dma_dev = &shdev->shdma_dev.dma_dev;
-
-	dma_async_device_unregister(dma_dev);
 
 	spin_lock_irq(&sh_dmae_lock);
 	list_del_rcu(&shdev->node);
-- 
2.17.1