diff --git a/[refs] b/[refs]
index 0dc3ae40890b..58876a341804 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d8fb91e8344ff11381fc47d43e0b234065be4bd0
+refs/heads/master: a090ca2c840a3459642971f26bdbad96d2482e32
diff --git a/trunk/drivers/serial/crisv10.c b/trunk/drivers/serial/crisv10.c
index 7be52fe288eb..31f172397af3 100644
--- a/trunk/drivers/serial/crisv10.c
+++ b/trunk/drivers/serial/crisv10.c
@@ -18,6 +18,7 @@ static char *serial_version = "$Revision: 1.25 $";
 #include <linux/tty.h>
 #include <linux/tty_flip.h>
 #include <linux/major.h>
+#include <linux/smp_lock.h>
 #include <linux/string.h>
 #include <linux/fcntl.h>
 #include <linux/mm.h>