linux-kernel - [PATCH 07/46] dmaengine: omap-dma: use dmaenginem_async_device

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Message-Id: <20180803072016.21544-8-sjhuang@iluvatar.ai>
Date:   Fri,  3 Aug 2018 15:19:37 +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 07/46] dmaengine: omap-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/ti/omap-dma.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/dma/ti/omap-dma.c b/drivers/dma/ti/omap-dma.c
index a4a931ddf6f6..085748c6eb67 100644
--- a/drivers/dma/ti/omap-dma.c
+++ b/drivers/dma/ti/omap-dma.c
@@ -1566,7 +1566,7 @@ static int omap_dma_probe(struct platform_device *pdev)
 		}
 	}
 
-	rc = dma_async_device_register(&od->ddev);
+	rc = dmaenginem_async_device_register(&od->ddev);
 	if (rc) {
 		pr_warn("OMAP-DMA: failed to register slave DMA engine device: %d\n",
 			rc);
@@ -1584,7 +1584,6 @@ static int omap_dma_probe(struct platform_device *pdev)
 				of_dma_simple_xlate, &omap_dma_info);
 		if (rc) {
 			pr_warn("OMAP-DMA: failed to register DMA controller\n");
-			dma_async_device_unregister(&od->ddev);
 			omap_dma_free(od);
 		}
 	}
@@ -1606,8 +1605,6 @@ static int omap_dma_remove(struct platform_device *pdev)
 	irq = platform_get_irq(pdev, 1);
 	devm_free_irq(&pdev->dev, irq, od);
 
-	dma_async_device_unregister(&od->ddev);
-
 	if (!od->legacy) {
 		/* Disable all interrupts */
 		omap_dma_glbl_write(od, IRQENABLE_L0, 0);
-- 
2.17.1