linux-kernel - [PATCH 27/46] dmaengine: usb-dmac: use dmaenginem_async_device

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Message-Id: <20180803072016.21544-28-sjhuang@iluvatar.ai>
Date:   Fri,  3 Aug 2018 15:19:57 +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 27/46] dmaengine: usb-dmac: 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/usb-dmac.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c
index 1bb1a8e09025..c09d7c65c2c5 100644
--- a/drivers/dma/sh/usb-dmac.c
+++ b/drivers/dma/sh/usb-dmac.c
@@ -849,7 +849,7 @@ static int usb_dmac_probe(struct platform_device *pdev)
 	engine->device_tx_status = usb_dmac_tx_status;
 	engine->device_issue_pending = usb_dmac_issue_pending;
 
-	ret = dma_async_device_register(engine);
+	ret = dmaenginem_async_device_register(engine);
 	if (ret < 0)
 		goto error;
 
@@ -879,7 +879,6 @@ static int usb_dmac_remove(struct platform_device *pdev)
 	for (i = 0; i < dmac->n_channels; ++i)
 		usb_dmac_chan_remove(dmac, &dmac->channels[i]);
 	of_dma_controller_free(pdev->dev.of_node);
-	dma_async_device_unregister(&dmac->engine);
 
 	pm_runtime_disable(&pdev->dev);
 
-- 
2.17.1