net/mlxbf_gige: Make use of devm_platform_ioremap_resourcexxx()

Use the devm_platform_ioremap_resource_byname() helper instead of
calling platform_get_resource_byname() and devm_ioremap_resource()
separately

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: caihuoqing1990

drivers/net/ethernet/litex/litex_liteeth.c

@@ -227,7 +227,6 @@ static int liteeth_probe(struct platform_device *pdev)
 {
 	struct net_device *netdev;
 	void __iomem *buf_base;
-	struct resource *res;
 	struct liteeth *priv;
 	int irq, err;
 
@@ -249,13 +248,11 @@ static int liteeth_probe(struct platform_device *pdev)
 	}
 	netdev->irq = irq;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mac");
-	priv->base = devm_ioremap_resource(&pdev->dev, res);
+	priv->base = devm_platform_ioremap_resource_byname(pdev, "mac");
 	if (IS_ERR(priv->base))
 		return PTR_ERR(priv->base);
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "buffer");
-	buf_base = devm_ioremap_resource(&pdev->dev, res);
+	buf_base = devm_platform_ioremap_resource_byname(pdev, "buffer");
 	if (IS_ERR(buf_base))
 		return PTR_ERR(buf_base);
 

drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c

@@ -269,9 +269,6 @@ static int mlxbf_gige_probe(struct platform_device *pdev)
 {
 	struct phy_device *phydev;
 	struct net_device *netdev;
-	struct resource *mac_res;
-	struct resource *llu_res;
-	struct resource *plu_res;
 	struct mlxbf_gige *priv;
 	void __iomem *llu_base;
 	void __iomem *plu_base;
@@ -280,27 +277,15 @@ static int mlxbf_gige_probe(struct platform_device *pdev)
 	int addr;
 	int err;
 
-	mac_res = platform_get_resource(pdev, IORESOURCE_MEM, MLXBF_GIGE_RES_MAC);
-	if (!mac_res)
-		return -ENXIO;
-
-	base = devm_ioremap_resource(&pdev->dev, mac_res);
+	base = devm_platform_ioremap_resource(pdev, MLXBF_GIGE_RES_MAC);
 	if (IS_ERR(base))
 		return PTR_ERR(base);
 
-	llu_res = platform_get_resource(pdev, IORESOURCE_MEM, MLXBF_GIGE_RES_LLU);
-	if (!llu_res)
-		return -ENXIO;
-
-	llu_base = devm_ioremap_resource(&pdev->dev, llu_res);
+	llu_base = devm_platform_ioremap_resource(pdev, MLXBF_GIGE_RES_LLU);
 	if (IS_ERR(llu_base))
 		return PTR_ERR(llu_base);
 
-	plu_res = platform_get_resource(pdev, IORESOURCE_MEM, MLXBF_GIGE_RES_PLU);
-	if (!plu_res)
-		return -ENXIO;
-
-	plu_base = devm_ioremap_resource(&pdev->dev, plu_res);
+	plu_base = devm_platform_ioremap_resource(pdev, MLXBF_GIGE_RES_PLU);
 	if (IS_ERR(plu_base))
 		return PTR_ERR(plu_base);
 

drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c

@@ -145,14 +145,9 @@ static int mlxbf_gige_mdio_write(struct mii_bus *bus, int phy_add,
 int mlxbf_gige_mdio_probe(struct platform_device *pdev, struct mlxbf_gige *priv)
 {
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 	int ret;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, MLXBF_GIGE_RES_MDIO9);
-	if (!res)
-		return -ENODEV;
-
-	priv->mdio_io = devm_ioremap_resource(dev, res);
+	priv->mdio_io = devm_platform_ioremap_resource(pdev, MLXBF_GIGE_RES_MDIO9);
 	if (IS_ERR(priv->mdio_io))
 		return PTR_ERR(priv->mdio_io);
 

drivers/net/ethernet/ni/nixge.c

@@ -1229,7 +1229,6 @@ static int nixge_of_get_resources(struct platform_device *pdev)
 {
 	const struct of_device_id *of_id;
 	enum nixge_version version;
-	struct resource *ctrlres;
 	struct net_device *ndev;
 	struct nixge_priv *priv;
 
@@ -1248,13 +1247,10 @@ static int nixge_of_get_resources(struct platform_device *pdev)
 		netdev_err(ndev, "failed to map dma regs\n");
 		return PTR_ERR(priv->dma_regs);
 	}
-	if (version <= NIXGE_V2) {
+	if (version <= NIXGE_V2)
 		priv->ctrl_regs = priv->dma_regs + NIXGE_REG_CTRL_OFFSET;
-	} else {
-		ctrlres = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-						       "ctrl");
-		priv->ctrl_regs = devm_ioremap_resource(&pdev->dev, ctrlres);
-	}
+	else
+		priv->ctrl_regs = devm_platform_ioremap_resource_byname(pdev, "ctrl");
 	if (IS_ERR(priv->ctrl_regs)) {
 		netdev_err(ndev, "failed to map ctrl regs\n");
 		return PTR_ERR(priv->ctrl_regs);