linux-kernel - [PATCH 22/46] dmaengine: sudmac: use dmaenginem_async_device

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Message-Id: <20180803072016.21544-23-sjhuang@iluvatar.ai>
Date:   Fri,  3 Aug 2018 15:19:52 +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 22/46] dmaengine: sudmac: use dmaenginem_async_device_register to simplify the code

Use dmaenginem_async_device_register to simplify the code:
	remove dma_async_device_unregister.
	remove label err_slave_reg

Signed-off-by: Huang Shijie <sjhuang@...vatar.ai>
---
 drivers/dma/sh/sudmac.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/dma/sh/sudmac.c b/drivers/dma/sh/sudmac.c
index 69b9564dc9d9..f861067edef4 100644
--- a/drivers/dma/sh/sudmac.c
+++ b/drivers/dma/sh/sudmac.c
@@ -376,7 +376,7 @@ static int sudmac_probe(struct platform_device *pdev)
 			goto chan_probe_err;
 	}
 
-	err = dma_async_device_register(&su_dev->shdma_dev.dma_dev);
+	err = dmaenginem_async_device_register(&su_dev->shdma_dev.dma_dev);
 	if (err < 0)
 		goto chan_probe_err;
 
@@ -393,9 +393,7 @@ static int sudmac_probe(struct platform_device *pdev)
 static int sudmac_remove(struct platform_device *pdev)
 {
 	struct sudmac_device *su_dev = platform_get_drvdata(pdev);
-	struct dma_device *dma_dev = &su_dev->shdma_dev.dma_dev;
 
-	dma_async_device_unregister(dma_dev);
 	sudmac_chan_remove(su_dev);
 	shdma_cleanup(&su_dev->shdma_dev);
 
-- 
2.17.1