diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig
index ae08498dfcad..5afd06ef0d8b 100644
--- a/drivers/net/wireless/iwlwifi/Kconfig
+++ b/drivers/net/wireless/iwlwifi/Kconfig
@@ -1,6 +1,6 @@
 config IWLWIFI
 	tristate "Intel Wireless WiFi Next Gen AGN - Wireless-N/Advanced-N/Ultimate-N (iwlwifi) "
-	depends on PCI && MAC80211
+	depends on PCI && MAC80211 && HAS_IOMEM
 	select FW_LOADER
 	select NEW_LEDS
 	select LEDS_CLASS
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index ef76a3916189..389f99e6a8eb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -1600,18 +1600,17 @@ static int iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid,
 
 static void iwl_trans_pcie_write8(struct iwl_trans *trans, u32 ofs, u8 val)
 {
-	iowrite8(val, IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
+	writeb(val, IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
 }
 
 static void iwl_trans_pcie_write32(struct iwl_trans *trans, u32 ofs, u32 val)
 {
-	iowrite32(val, IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
+	writel(val, IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
 }
 
 static u32 iwl_trans_pcie_read32(struct iwl_trans *trans, u32 ofs)
 {
-	u32 val = ioread32(IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
-	return val;
+	return readl(IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs);
 }
 
 static void iwl_trans_pcie_free(struct iwl_trans *trans)
@@ -1629,7 +1628,7 @@ static void iwl_trans_pcie_free(struct iwl_trans *trans)
 	}
 
 	pci_disable_msi(trans_pcie->pci_dev);
-	pci_iounmap(trans_pcie->pci_dev, trans_pcie->hw_base);
+	iounmap(trans_pcie->hw_base);
 	pci_release_regions(trans_pcie->pci_dev);
 	pci_disable_device(trans_pcie->pci_dev);
 
@@ -2258,9 +2257,9 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd,
 		goto out_pci_disable_device;
 	}
 
-	trans_pcie->hw_base = pci_iomap(pdev, 0, 0);
+	trans_pcie->hw_base = pci_ioremap_bar(pdev, 0);
 	if (!trans_pcie->hw_base) {
-		dev_printk(KERN_ERR, &pdev->dev, "pci_iomap failed");
+		dev_printk(KERN_ERR, &pdev->dev, "pci_ioremap_bar failed");
 		err = -ENODEV;
 		goto out_pci_release_regions;
 	}