diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 3d451ece253ca7d38dbb388237cc5f264d4fea1d..a3e0880b38fb2cdb0116b4168664566fdab84ab4 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -15,6 +15,7 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/i2c.h>