diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index f7b653314e7e..437baecc434e 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -477,7 +477,6 @@ static void gpio_rcar_enable_inputs(struct gpio_rcar_priv *p)
 static int gpio_rcar_probe(struct platform_device *pdev)
 {
 	struct gpio_rcar_priv *p;
-	struct resource *irq;
 	struct gpio_chip *gpio_chip;
 	struct irq_chip *irq_chip;
 	struct gpio_irq_chip *girq;
@@ -502,12 +501,10 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 
 	pm_runtime_enable(dev);
 
-	irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (!irq) {
-		dev_err(dev, "missing IRQ\n");
-		ret = -EINVAL;
+	ret = platform_get_irq(pdev, 0);
+	if (ret < 0)
 		goto err0;
-	}
+	p->irq_parent = ret;
 
 	p->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(p->base)) {
@@ -555,8 +552,7 @@ static int gpio_rcar_probe(struct platform_device *pdev)
 		goto err0;
 	}
 
-	p->irq_parent = irq->start;
-	if (devm_request_irq(dev, irq->start, gpio_rcar_irq_handler,
+	if (devm_request_irq(dev, p->irq_parent, gpio_rcar_irq_handler,
 			     IRQF_SHARED, name, p)) {
 		dev_err(dev, "failed to request IRQ\n");
 		ret = -ENOENT;