diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index 221f92e45ec73f797379209afccbb3ace3a1c255..756d80adc47bd36fac53a2f392c96025079f540c 100644
--- a/drivers/net/cs89x0.c
+++ b/drivers/net/cs89x0.c
@@ -351,17 +351,17 @@ writeword(unsigned long base_addr, int portno, int value)
 }
 
 static int
-readreg(struct net_device *dev, int portno)
+readreg(struct net_device *dev, int regno)
 {
-	outw(portno, dev->base_addr + ADD_PORT);
-	return inw(dev->base_addr + DATA_PORT);
+	writeword(dev->base_addr, ADD_PORT, regno);
+	return readword(dev->base_addr, DATA_PORT);
 }
 
 static void
-writereg(struct net_device *dev, int portno, int value)
+writereg(struct net_device *dev, int regno, int value)
 {
-	outw(portno, dev->base_addr + ADD_PORT);
-	outw(value, dev->base_addr + DATA_PORT);
+	writeword(dev->base_addr, ADD_PORT, regno);
+	writeword(dev->base_addr, DATA_PORT, value);
 }
 
 static int __init