diff --git a/[refs] b/[refs]
index 13c73a267499..07d4cbbaa85f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 399f1e30ac17b77d383444aff480c7390f5adf2a
+refs/heads/master: 63d66cab4755edc86ddc5b78cae657a3fda908e1
diff --git a/trunk/drivers/serial/mfd.c b/trunk/drivers/serial/mfd.c
index 324c385a653d..5dff45c76d32 100644
--- a/trunk/drivers/serial/mfd.c
+++ b/trunk/drivers/serial/mfd.c
@@ -27,6 +27,7 @@
 #include <linux/init.h>
 #include <linux/console.h>
 #include <linux/sysrq.h>
+#include <linux/slab.h>
 #include <linux/serial_reg.h>
 #include <linux/circ_buf.h>
 #include <linux/delay.h>