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);
 }