diff --git a/include/linux/phy.h b/include/linux/phy.h
index 5972f19af16d..6f9979a26892 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -810,8 +810,9 @@ struct phy_device {
 };
 
 /* Generic phy_device::dev_flags */
-#define PHY_F_NO_IRQ		0x80000000
-#define PHY_F_RXC_ALWAYS_ON	0x40000000
+#define PHY_F_NO_IRQ			0x80000000
+#define PHY_F_RXC_ALWAYS_ON		0x40000000
+#define PHY_F_KEEP_PREAMBLE_BEFORE_SFD	0x20000000
 
 #define to_phy_device(__dev)	container_of_const(to_mdio_device(__dev), struct phy_device, mdio)