diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
index 56b8c1e..31ab9c8 100644
--- a/drivers/ata/pata_pdc2027x.c
+++ b/drivers/ata/pata_pdc2027x.c
@@ -242,7 +242,7 @@
  *	@ap: Port
  *	@offset: offset from mmio base
  */
-static inline void* port_mmio(struct ata_port *ap, unsigned int offset)
+static inline void __iomem *port_mmio(struct ata_port *ap, unsigned int offset)
 {
 	return ap->host->mmio_base + ap->port_no * 0x100 + offset;
 }
@@ -253,7 +253,7 @@
  *	@adev: device
  *	@offset: offset from mmio base
  */
-static inline void* dev_mmio(struct ata_port *ap, struct ata_device *adev, unsigned int offset)
+static inline void __iomem *dev_mmio(struct ata_port *ap, struct ata_device *adev, unsigned int offset)
 {
 	u8 adj = (adev->devno) ? 0x08 : 0x00;
 	return port_mmio(ap, offset) + adj;
@@ -758,7 +758,7 @@
 
 	struct ata_probe_ent *probe_ent = NULL;
 	unsigned long base;
-	void *mmio_base;
+	void __iomem *mmio_base;
 	int rc;
 
 	if (!printed_version++)