linux-kernel - [PATCH 03/46] dmaengine: xilinx_dma: use dmaenginem_async_device

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Message-Id: <20180803072016.21544-4-sjhuang@iluvatar.ai>
Date:   Fri,  3 Aug 2018 15:19:33 +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 03/46] dmaengine: xilinx_dma: 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/xilinx/xilinx_dma.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index c12442312595..97ffeb5e59bb 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -2705,13 +2705,12 @@ static int xilinx_dma_probe(struct platform_device *pdev)
 	}
 
 	/* Register the DMA engine with the core */
-	dma_async_device_register(&xdev->common);
+	dmaenginem_async_device_register(&xdev->common);
 
 	err = of_dma_controller_register(node, of_dma_xilinx_xlate,
 					 xdev);
 	if (err < 0) {
 		dev_err(&pdev->dev, "Unable to register DMA to DT\n");
-		dma_async_device_unregister(&xdev->common);
 		goto error;
 	}
 
@@ -2747,8 +2746,6 @@ static int xilinx_dma_remove(struct platform_device *pdev)
 
 	of_dma_controller_free(pdev->dev.of_node);
 
-	dma_async_device_unregister(&xdev->common);
-
 	for (i = 0; i < xdev->nr_channels; i++)
 		if (xdev->chan[i])
 			xilinx_dma_chan_remove(xdev->chan[i]);
-- 
2.17.1