Index: sys/dev/mge/if_mge.c
===================================================================
--- sys/dev/mge/if_mge.c	(revision 208113)
+++ sys/dev/mge/if_mge.c	(working copy)
@@ -606,7 +606,6 @@
 mge_attach(device_t dev)
 {
 	struct mge_softc *sc;
-	struct mii_softc *miisc;
 	struct ifnet *ifp;
 	uint8_t hwaddr[ETHER_ADDR_LEN];
 	int i, error ;
@@ -690,9 +689,9 @@
 	}
 	sc->mii = device_get_softc(sc->miibus);
 
-	/* Tell the MAC where to find the PHY so autoneg works */
-	miisc = LIST_FIRST(&sc->mii->mii_phys);
-	MGE_WRITE(sc, MGE_REG_PHYDEV, miisc->mii_phy);
+	/* Tell the MAC where to find the PHY so autoneg works 
+	 * We assume a static mapping (see mge_miibus_readreg) */
+	MGE_WRITE(sc, MGE_REG_PHYDEV, device_get_unit(dev) + MII_ADDR_BASE);
 
 	/* Attach interrupt handlers */
 	for (i = 0; i < 2; ++i) {