diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c
index 001e19d7c17d..1a54e3e52ed6 100644
--- a/drivers/tty/serial/sunzilog.c
+++ b/drivers/tty/serial/sunzilog.c
@@ -35,7 +35,7 @@
 #include <linux/init.h>
 #include <linux/of_device.h>
 
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/irq.h>
 #include <asm/prom.h>
 #include <asm/setup.h>