linux-kernel - [PATCH -next] staging: mt7621-dma: use devm_platform_ioremap

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Message-ID: <20191016085833.26376-1-yuehaibing@huawei.com>
Date:   Wed, 16 Oct 2019 16:58:33 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <gregkh@...uxfoundation.org>, <matthias.bgg@...il.com>,
        <bhanusreemahesh@...il.com>, <jbi.octave@...il.com>,
        <swboyd@...omium.org>, <yuehaibing@...wi.com>,
        <sergio.paracuellos@...il.com>, <puranjay12@...il.com>,
        <arma2ff0@...il.com>, <kimbrownkd@...il.com>
CC:     <devel@...verdev.osuosl.org>,
        <linux-arm-kernel@...ts.ifradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] staging: mt7621-dma: use devm_platform_ioremap_resource() to simplify code

Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/staging/mt7621-dma/mtk-hsdma.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/mt7621-dma/mtk-hsdma.c b/drivers/staging/mt7621-dma/mtk-hsdma.c
index d964642..4d541c4 100644
--- a/drivers/staging/mt7621-dma/mtk-hsdma.c
+++ b/drivers/staging/mt7621-dma/mtk-hsdma.c
@@ -650,7 +650,6 @@ static int mtk_hsdma_probe(struct platform_device *pdev)
 	struct mtk_hsdma_chan *chan;
 	struct mtk_hsdam_engine *hsdma;
 	struct dma_device *dd;
-	struct resource *res;
 	int ret;
 	int irq;
 	void __iomem *base;
@@ -667,8 +666,7 @@ static int mtk_hsdma_probe(struct platform_device *pdev)
 	if (!hsdma)
 		return -EINVAL;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))
 		return PTR_ERR(base);
 	hsdma->base = base + HSDMA_BASE_OFFSET;
-- 
2.7.4