pinctrl: mediatek: use devm_platform_ioremap_resource_byname()

Use the devm_platform_ioremap_resource_byname() helper instead of
calling platform_get_resource_byname() and devm_ioremap_resource()
separately.
Signed-off-by: Wang Xiaojun <wangxiaojun11@huawei.com>
Acked-by: Sean Wang <sean.wang@kernel.org>
Link: https://lore.kernel.org/r/20200917064151.2184010-1-wangxiaojun11@huawei.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/mediatek/pinctrl-moore.c

@@ -589,7 +589,6 @@ int mtk_moore_pinctrl_probe(struct platform_device *pdev,
 			    const struct mtk_pin_soc *soc)
 {
 	struct pinctrl_pin_desc *pins;
-	struct resource *res;
 	struct mtk_pinctrl *hw;
 	int err, i;
 
@@ -612,14 +611,8 @@ int mtk_moore_pinctrl_probe(struct platform_device *pdev,
 		return -ENOMEM;
 
 	for (i = 0; i < hw->soc->nbase_names; i++) {
-		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-						   hw->soc->base_names[i]);
-		if (!res) {
-			dev_err(&pdev->dev, "missing IO resource\n");
-			return -ENXIO;
-		}
-
-		hw->base[i] = devm_ioremap_resource(&pdev->dev, res);
+		hw->base[i] = devm_platform_ioremap_resource_byname(pdev,
+						hw->soc->base_names[i]);
 		if (IS_ERR(hw->base[i]))
 			return PTR_ERR(hw->base[i]);
 	}

drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c

@@ -354,7 +354,6 @@ static const struct mtk_eint_xt mtk_eint_xt = {
 int mtk_build_eint(struct mtk_pinctrl *hw, struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
-	struct resource *res;
 
 	if (!IS_ENABLED(CONFIG_EINT_MTK))
 		return 0;
@@ -366,13 +365,7 @@ int mtk_build_eint(struct mtk_pinctrl *hw, struct platform_device *pdev)
 	if (!hw->eint)
 		return -ENOMEM;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "eint");
-	if (!res) {
-		dev_err(&pdev->dev, "Unable to get eint resource\n");
-		return -ENODEV;
-	}
-
-	hw->eint->base = devm_ioremap_resource(&pdev->dev, res);
+	hw->eint->base = devm_platform_ioremap_resource_byname(pdev, "eint");
 	if (IS_ERR(hw->eint->base))
 		return PTR_ERR(hw->eint->base);
 

drivers/pinctrl/mediatek/pinctrl-paris.c

@@ -940,7 +940,6 @@ int mtk_paris_pinctrl_probe(struct platform_device *pdev,
 {
 	struct pinctrl_pin_desc *pins;
 	struct mtk_pinctrl *hw;
-	struct resource *res;
 	int err, i;
 
 	hw = devm_kzalloc(&pdev->dev, sizeof(*hw), GFP_KERNEL);
@@ -963,14 +962,8 @@ int mtk_paris_pinctrl_probe(struct platform_device *pdev,
 		return -ENOMEM;
 
 	for (i = 0; i < hw->soc->nbase_names; i++) {
-		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-						   hw->soc->base_names[i]);
-		if (!res) {
-			dev_err(&pdev->dev, "missing IO resource\n");
-			return -ENXIO;
-		}
-
-		hw->base[i] = devm_ioremap_resource(&pdev->dev, res);
+		hw->base[i] = devm_platform_ioremap_resource_byname(pdev,
+					hw->soc->base_names[i]);
 		if (IS_ERR(hw->base[i]))
 			return PTR_ERR(hw->base[i]);
 	}