diff --git a/drivers/tty/serial/sc26xx.c b/drivers/tty/serial/sc26xx.c
index e0b4b0a30a5a7b7c145de9682f18859032354497..3992e48b4c71b8d628912459fe116f01bba09848 100644
--- a/drivers/tty/serial/sc26xx.c
+++ b/drivers/tty/serial/sc26xx.c
@@ -20,6 +20,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/irq.h>
+#include <linux/io.h>
 
 #if defined(CONFIG_MAGIC_SYSRQ)
 #define SUPPORT_SYSRQ