linux-kernel - [PATCH] dmaengine: sprd: Change to use devm_platform_ioremap

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Date:   Fri, 27 Sep 2019 11:29:43 +0800
From:   Baolin Wang <baolin.wang@...aro.org>
To:     vkoul@...nel.org
Cc:     orsonzhai@...il.com, zhang.lyra@...il.com,
        dan.j.williams@...el.com, linux-kernel@...r.kernel.org,
        dmaengine@...r.kernel.org, baolin.wang@...aro.org
Subject: [PATCH] dmaengine: sprd: Change to use devm_platform_ioremap_resource()

Use the new helper that wraps the calls to platform_get_resource()
and devm_ioremap_resource() together, which can simpify the code.

Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
---
 drivers/dma/sprd-dma.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c
index a4a91f2..60d2c6b 100644
--- a/drivers/dma/sprd-dma.c
+++ b/drivers/dma/sprd-dma.c
@@ -1065,7 +1065,6 @@ static int sprd_dma_probe(struct platform_device *pdev)
 	struct device_node *np = pdev->dev.of_node;
 	struct sprd_dma_dev *sdev;
 	struct sprd_dma_chn *dma_chn;
-	struct resource *res;
 	u32 chn_count;
 	int ret, i;
 
@@ -1111,8 +1110,7 @@ static int sprd_dma_probe(struct platform_device *pdev)
 		dev_warn(&pdev->dev, "no interrupts for the dma controller\n");
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	sdev->glb_base = devm_ioremap_resource(&pdev->dev, res);
+	sdev->glb_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(sdev->glb_base))
 		return PTR_ERR(sdev->glb_base);
 
-- 
1.7.9.5