diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index ae5edb8..ca8d993 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -349,7 +349,7 @@
 
 static void sil_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
 {
-	void *mmio = (void __iomem *) sil_scr_addr(ap, sc_reg);
+	void __iomem *mmio = (void __iomem *) sil_scr_addr(ap, sc_reg);
 	if (mmio)
 		writel(val, mmio);
 }
diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c
index 84025a2..db32d15 100644
--- a/drivers/ata/sata_svw.c
+++ b/drivers/ata/sata_svw.c
@@ -177,7 +177,7 @@
 	struct ata_port *ap = qc->ap;
 	unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE);
 	u8 dmactl;
-	void *mmio = (void *) ap->ioaddr.bmdma_addr;
+	void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr;
 	/* load PRD table addr. */
 	mb();	/* make sure PRD table writes are visible to controller */
 	writel(ap->prd_dma, mmio + ATA_DMA_TABLE_OFS);
@@ -205,7 +205,7 @@
 static void k2_bmdma_start_mmio (struct ata_queued_cmd *qc)
 {
 	struct ata_port *ap = qc->ap;
-	void *mmio = (void *) ap->ioaddr.bmdma_addr;
+	void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr;
 	u8 dmactl;
 
 	/* start host DMA transaction */