diff --git a/include/linux/smsc911x.h b/include/linux/smsc911x.h
index 170c76b..b327250 100644
--- a/include/linux/smsc911x.h
+++ b/include/linux/smsc911x.h
@@ -45,5 +45,6 @@
 #define SMSC911X_USE_32BIT 			(BIT(1))
 #define SMSC911X_FORCE_INTERNAL_PHY		(BIT(2))
 #define SMSC911X_FORCE_EXTERNAL_PHY 		(BIT(3))
+#define SMSC911X_SAVE_MAC_ADDRESS		(BIT(4))
 
 #endif /* __LINUX_SMSC911X_H__ */