diff --git a/drivers/staging/vt6655/upc.h b/drivers/staging/vt6655/upc.h
index 00e5a00a72e0..c5c889cade25 100644
--- a/drivers/staging/vt6655/upc.h
+++ b/drivers/staging/vt6655/upc.h
@@ -40,32 +40,32 @@
 
 #define VNSvInPortB(dwIOAddress, pbyData)				\
 do {									\
-	*(pbyData) = readb(dwIOAddress);				\
+	*(pbyData) = ioread8(dwIOAddress);				\
 } while (0)
 
 #define VNSvInPortW(dwIOAddress, pwData)				\
 do {									\
-	*(pwData) = readw(dwIOAddress);					\
+	*(pwData) = ioread16(dwIOAddress);				\
 } while (0)
 
 #define VNSvInPortD(dwIOAddress, pdwData)				\
 do {									\
-	*(pdwData) = readl(dwIOAddress);				\
+	*(pdwData) = ioread32(dwIOAddress);				\
 } while (0)
 
 #define VNSvOutPortB(dwIOAddress, byData)				\
 do {									\
-	writeb((unsigned char)byData, dwIOAddress);			\
+	iowrite8((u8)byData, dwIOAddress);				\
 } while (0)
 
 #define VNSvOutPortW(dwIOAddress, wData)				\
 do {									\
-	writew((unsigned short)wData, dwIOAddress);			\
+	iowrite16((u16)wData, dwIOAddress);				\
 } while (0)
 
 #define VNSvOutPortD(dwIOAddress, dwData)				\
 do {									\
-	writel((unsigned long)dwData, dwIOAddress);			\
+	iowrite32((u32)dwData, dwIOAddress);				\
 } while (0)
 
 #define PCAvDelayByIO(uDelayUnit)				\