diff --git a/drivers/irqchip/irq-uniphier-aidet.c b/drivers/irqchip/irq-uniphier-aidet.c
index ed7b4f47ff3f..89121b39be26 100644
--- a/drivers/irqchip/irq-uniphier-aidet.c
+++ b/drivers/irqchip/irq-uniphier-aidet.c
@@ -166,7 +166,6 @@ static int uniphier_aidet_probe(struct platform_device *pdev)
 	struct device_node *parent_np;
 	struct irq_domain *parent_domain;
 	struct uniphier_aidet_priv *priv;
-	struct resource *res;
 
 	parent_np = of_irq_find_parent(dev->of_node);
 	if (!parent_np)
@@ -181,8 +180,7 @@ static int uniphier_aidet_probe(struct platform_device *pdev)
 	if (!priv)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	priv->reg_base = devm_ioremap_resource(dev, res);
+	priv->reg_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(priv->reg_base))
 		return PTR_ERR(priv->reg_base);