phy: phy-mtk-ufs: convert to devm_platform_ioremap_resource

Use devm_platform_ioremap_resource to simplify code
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1604642930-29019-9-git-send-email-chunfeng.yun@mediatek.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/phy/mediatek/phy-mtk-ufs.c

@@ -195,7 +195,6 @@ static int ufs_mtk_phy_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct phy *generic_phy;
 	struct phy_provider *phy_provider;
-	struct resource *res;
 	struct ufs_mtk_phy *phy;
 	int ret;
 
@@ -203,8 +202,7 @@ static int ufs_mtk_phy_probe(struct platform_device *pdev)
 	if (!phy)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	phy->mmio = devm_ioremap_resource(dev, res);
+	phy->mmio = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(phy->mmio))
 		return PTR_ERR(phy->mmio);