diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
index 620709d38a6467ec61a03696b57705ff0889b847..f688204e50c5f5e7862e75b9e264a650856eb483 100644
--- a/drivers/pci/dwc/pci-dra7xx.c
+++ b/drivers/pci/dwc/pci-dra7xx.c
@@ -407,14 +407,14 @@ static int __init dra7xx_add_pcie_ep(struct dra7xx_pcie *dra7xx,
 	ep->ops = &pcie_ep_ops;
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ep_dbics");
-	pci->dbi_base = devm_ioremap(dev, res->start, resource_size(res));
-	if (!pci->dbi_base)
-		return -ENOMEM;
+	pci->dbi_base = devm_ioremap_resource(dev, res);
+	if (IS_ERR(pci->dbi_base))
+		return PTR_ERR(pci->dbi_base);
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ep_dbics2");
-	pci->dbi_base2 = devm_ioremap(dev, res->start, resource_size(res));
-	if (!pci->dbi_base2)
-		return -ENOMEM;
+	pci->dbi_base2 = devm_ioremap_resource(dev, res);
+	if (IS_ERR(pci->dbi_base2))
+		return PTR_ERR(pci->dbi_base2);
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "addr_space");
 	if (!res)
@@ -460,9 +460,9 @@ static int __init dra7xx_add_pcie_port(struct dra7xx_pcie *dra7xx,
 		return ret;
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rc_dbics");
-	pci->dbi_base = devm_ioremap(dev, res->start, resource_size(res));
-	if (!pci->dbi_base)
-		return -ENOMEM;
+	pci->dbi_base = devm_ioremap_resource(dev, res);
+	if (IS_ERR(pci->dbi_base))
+		return PTR_ERR(pci->dbi_base);
 
 	pp->ops = &dra7xx_pcie_host_ops;