pinctrl: use devm_platform_ioremap_resource() to simplify code

devm_platform_ioremap_resource() internally have platform_get_resource()
and devm_ioremap_resource() in it. So instead of calling them separately
use devm_platform_ioremap_resource() directly.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20191104142654.39256-1-yuehaibing@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/pinctrl-pic32.c b/drivers/pinctrl/pinctrl-pic32.c
index 7e4c5a0..e5d6d3f 100644
--- a/drivers/pinctrl/pinctrl-pic32.c
+++ b/drivers/pinctrl/pinctrl-pic32.c
@@ -2202,7 +2202,6 @@ static int pic32_gpio_probe(struct platform_device *pdev)
 	struct pic32_gpio_bank *bank;
 	u32 id;
 	int irq, ret;
-	struct resource *res;
 	struct gpio_irq_chip *girq;
 
 	if (of_property_read_u32(np, "microchip,gpio-bank", &id)) {
@@ -2217,8 +2216,7 @@ static int pic32_gpio_probe(struct platform_device *pdev)
 
 	bank = &pic32_gpio_banks[id];
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	bank->reg_base = devm_ioremap_resource(&pdev->dev, res);
+	bank->reg_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(bank->reg_base))
 		return PTR_ERR(bank->reg_base);