diff --git a/drivers/pci/dwc/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c
index e66cede2b5b7..321b56cfd5d0 100644
--- a/drivers/pci/dwc/pcie-artpec6.c
+++ b/drivers/pci/dwc/pcie-artpec6.c
@@ -463,9 +463,9 @@ static int artpec6_add_pcie_ep(struct artpec6_pcie *artpec6_pcie,
 	ep->ops = &pcie_ep_ops;
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi2");
-	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)