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@huawei.com>
Link: https://lore.kernel.org/r/20191016085833.26376-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/mt7621-dma/mtk-hsdma.c b/drivers/staging/mt7621-dma/mtk-hsdma.c
index d964642..03c8937 100644 (file)
--- 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;