diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index 440bf94f0d4ca178ffed89e67c82371d42e997eb..c9db3fe98726472debc8741e0c14f790eb83e18b 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -104,8 +104,8 @@ static u32 nxp_pci_io_base;
 static u32 iolength;
 static u32 pci_mem_phy0;
 static u32 length;
-static u8 *chip_addr;
-static u8 *iobase;
+static u8 __iomem *chip_addr;
+static u8 __iomem *iobase;
 
 static int __devinit isp1761_pci_probe(struct pci_dev *dev,
 		const struct pci_device_id *id)