diff --git a/drivers/bus/uniphier-system-bus.c b/drivers/bus/uniphier-system-bus.c
index e845c1a93f21..f70dedace20b 100644
--- a/drivers/bus/uniphier-system-bus.c
+++ b/drivers/bus/uniphier-system-bus.c
@@ -176,7 +176,6 @@ static int uniphier_system_bus_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct uniphier_system_bus_priv *priv;
-	struct resource *regs;
 	const __be32 *ranges;
 	u32 cells, addr, size;
 	u64 paddr;
@@ -186,8 +185,7 @@ static int uniphier_system_bus_probe(struct platform_device *pdev)
 	if (!priv)
 		return -ENOMEM;
 
-	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	priv->membase = devm_ioremap_resource(dev, regs);
+	priv->membase = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(priv->membase))
 		return PTR_ERR(priv->membase);