diff --git a/drivers/tty/serial/ip22zilog.c b/drivers/tty/serial/ip22zilog.c
index 86fff69d7e7c..f4dc5fe4ba92 100644
--- a/drivers/tty/serial/ip22zilog.c
+++ b/drivers/tty/serial/ip22zilog.c
@@ -31,7 +31,7 @@
 #include <linux/spinlock.h>
 #include <linux/init.h>
 
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/irq.h>
 #include <asm/sgialib.h>
 #include <asm/sgi/ioc.h>