diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index ed139f5a6f747de4d2cf14152ff63d545726a78f..7206a64f3ff7f5cf6d1e712d18a5a602c3a41aef 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -25,6 +25,7 @@
 #include <linux/serial.h>
 #include <linux/tty.h>
 #include <linux/tty_flip.h>
+#include <linux/uaccess.h>
 
 #define SC16IS7XX_NAME			"sc16is7xx"