diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 017bceaa480bd9691a4a6df2cf5131364cfaf3d0..a64a6240920deafc5f27ec0c9ab18b495b8b9adc 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -420,8 +420,8 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,
 	mdiodev->device_free = phy_mdio_device_free;
 	mdiodev->device_remove = phy_mdio_device_remove;
 
-	dev->speed = 0;
-	dev->duplex = -1;
+	dev->speed = SPEED_UNKNOWN;
+	dev->duplex = DUPLEX_UNKNOWN;
 	dev->pause = 0;
 	dev->asym_pause = 0;
 	dev->link = 0;