diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index 48233971759e037249ac790ab960ed1dec1d2adc..52b52423df1f5586b37f8e13ef92384d609d0e46 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -174,6 +174,7 @@ enum mv88e6xxx_cap {
 #define MV88E6XXX_FLAGS_FAMILY_6390	\
 	(MV88E6XXX_FLAG_EEE |		\
 	 MV88E6XXX_FLAG_GLOBAL2 |	\
+	 MV88E6XXX_FLAG_G2_POT |	\
 	 MV88E6XXX_FLAGS_MULTI_CHIP)
 
 struct mv88e6xxx_ops;