linux-kernel - [PATCH 24/46] dmaengine: nbpfaxi: use dmaenginem_async_device

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Message-Id: <20180803072016.21544-25-sjhuang@iluvatar.ai>
Date:   Fri,  3 Aug 2018 15:19:54 +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 24/46] dmaengine: nbpfaxi: 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 e_dma_dev_unreg

Signed-off-by: Huang Shijie <sjhuang@...vatar.ai>
---
 drivers/dma/nbpfaxi.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
index 8c7b2e8703da..def82e77f321 100644
--- a/drivers/dma/nbpfaxi.c
+++ b/drivers/dma/nbpfaxi.c
@@ -1437,18 +1437,16 @@ static int nbpf_probe(struct platform_device *pdev)
 
 	nbpf_configure(nbpf);
 
-	ret = dma_async_device_register(dma_dev);
+	ret = dmaenginem_async_device_register(dma_dev);
 	if (ret < 0)
 		goto e_clk_off;
 
 	ret = of_dma_controller_register(np, nbpf_of_xlate, nbpf);
 	if (ret < 0)
-		goto e_dma_dev_unreg;
+		goto e_clk_off;
 
 	return 0;
 
-e_dma_dev_unreg:
-	dma_async_device_unregister(dma_dev);
 e_clk_off:
 	clk_disable_unprepare(nbpf->clk);
 
@@ -1471,7 +1469,6 @@ static int nbpf_remove(struct platform_device *pdev)
 	}
 
 	of_dma_controller_free(pdev->dev.of_node);
-	dma_async_device_unregister(&nbpf->dma_dev);
 	clk_disable_unprepare(nbpf->clk);
 
 	return 0;
-- 
2.17.1