diff --git a/arch/mips/pci/pci-ar71xx.c b/arch/mips/pci/pci-ar71xx.c
index 412ec025cf55..18517dd0f709 100644
--- a/arch/mips/pci/pci-ar71xx.c
+++ b/arch/mips/pci/pci-ar71xx.c
@@ -366,9 +366,9 @@ static int ar71xx_pci_probe(struct platform_device *pdev)
 	if (!res)
 		return -EINVAL;
 
-	apc->cfg_base = devm_request_and_ioremap(&pdev->dev, res);
-	if (!apc->cfg_base)
-		return -ENOMEM;
+	apc->cfg_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(apc->cfg_base))
+		return PTR_ERR(apc->cfg_base);
 
 	apc->irq = platform_get_irq(pdev, 0);
 	if (apc->irq < 0)
diff --git a/arch/mips/pci/pci-ar724x.c b/arch/mips/pci/pci-ar724x.c
index 8a0700d448fe..65ec032fa0b4 100644
--- a/arch/mips/pci/pci-ar724x.c
+++ b/arch/mips/pci/pci-ar724x.c
@@ -365,25 +365,25 @@ static int ar724x_pci_probe(struct platform_device *pdev)
 	if (!res)
 		return -EINVAL;
 
-	apc->ctrl_base = devm_request_and_ioremap(&pdev->dev, res);
-	if (apc->ctrl_base == NULL)
-		return -EBUSY;
+	apc->ctrl_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(apc->ctrl_base))
+		return PTR_ERR(apc->ctrl_base);
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base");
 	if (!res)
 		return -EINVAL;
 
-	apc->devcfg_base = devm_request_and_ioremap(&pdev->dev, res);
-	if (!apc->devcfg_base)
-		return -EBUSY;
+	apc->devcfg_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(apc->devcfg_base))
+		return PTR_ERR(apc->devcfg_base);
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "crp_base");
 	if (!res)
 		return -EINVAL;
 
-	apc->crp_base = devm_request_and_ioremap(&pdev->dev, res);
-	if (apc->crp_base == NULL)
-		return -EBUSY;
+	apc->crp_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(apc->crp_base))
+		return PTR_ERR(apc->crp_base);
 
 	apc->irq = platform_get_irq(pdev, 0);
 	if (apc->irq < 0)