diff --git a/sys/dev/cardbus/if_fxp_cardbus.c b/sys/dev/cardbus/if_fxp_cardbus.c
index 6c3ce4ebab86..3b281ee9d623 100644
--- a/sys/dev/cardbus/if_fxp_cardbus.c
+++ b/sys/dev/cardbus/if_fxp_cardbus.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_fxp_cardbus.c,v 1.6 2000/02/09 22:15:59 joda Exp $	*/
+/*	$NetBSD: if_fxp_cardbus.c,v 1.7 2000/02/12 04:05:50 enami Exp $	*/
 
 /*
  * Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -108,7 +108,7 @@ struct fxp_cardbus_softc {
 
 struct cfattach fxp_cardbus_ca = {
     sizeof(struct fxp_cardbus_softc), fxp_cardbus_match, fxp_cardbus_attach, 
-    fxp_cardbus_detach
+        fxp_cardbus_detach, fxp_activate
 };
 
 #ifdef CBB_DEBUG
diff --git a/sys/dev/ic/i82557.c b/sys/dev/ic/i82557.c
index 082353775ee8..f5a64ec56bda 100644
--- a/sys/dev/ic/i82557.c
+++ b/sys/dev/ic/i82557.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: i82557.c,v 1.19 2000/02/12 03:55:49 enami Exp $	*/
+/*	$NetBSD: i82557.c,v 1.20 2000/02/12 04:05:49 enami Exp $	*/
 
 /*-
  * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.
@@ -871,7 +871,7 @@ fxp_intr(arg)
 	u_int8_t statack;
 
 	if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0)
-		return 0;
+		return (0);
 	/*
 	 * If the interface isn't running, don't try to
 	 * service the interrupt.. just ack it and bail.
@@ -882,7 +882,7 @@ fxp_intr(arg)
 			claimed = 1;
 			CSR_WRITE_1(sc, FXP_CSR_SCB_STATACK, statack);
 		}
-		return claimed;
+		return (claimed);
 	}
 
 	while ((statack = CSR_READ_1(sc, FXP_CSR_SCB_STATACK)) != 0) {
@@ -1076,6 +1076,9 @@ fxp_tick(arg)
 	struct fxp_stats *sp = &sc->sc_control_data->fcd_stats;
 	int s;
 
+	if ((sc->sc_dev.dv_flags & DVF_ACTIVE) == 0)
+		return;
+
 	s = splnet();
 
 	ifp->if_opackets += le32toh(sp->tx_good);
@@ -1868,6 +1871,42 @@ fxp_disable(sc)
 	}
 }
 
+/*
+ * fxp_activate:
+ *
+ *	Handle device activation/deactivation requests.
+ */
+int
+fxp_activate(self, act)
+	struct device *self;
+	enum devact act;
+{
+	struct fxp_softc *sc = (void *) self;
+	int s, error = 0;
+
+	s = splnet();
+	switch (act) {
+	case DVACT_ACTIVATE:
+		error = EOPNOTSUPP;
+		break;
+
+	case DVACT_DEACTIVATE:
+		if (sc->sc_flags & FXPF_MII)
+			mii_activate(&sc->sc_mii, act, MII_PHY_ANY,
+			    MII_OFFSET_ANY);
+		if_deactivate(&sc->sc_ethercom.ec_if);
+		break;
+	}
+	splx(s);
+
+	return (error);
+}
+
+/*
+ * fxp_detach:
+ *
+ *	Detach an i82557 interface.
+ */
 int
 fxp_detach(sc)
 	struct fxp_softc *sc;
diff --git a/sys/dev/ic/i82557var.h b/sys/dev/ic/i82557var.h
index f65d2f472e61..75c1c129039e 100644
--- a/sys/dev/ic/i82557var.h
+++ b/sys/dev/ic/i82557var.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: i82557var.h,v 1.10 2000/02/09 22:15:58 joda Exp $	*/
+/*	$NetBSD: i82557var.h,v 1.11 2000/02/12 04:05:49 enami Exp $	*/
 
 /*-
  * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.
@@ -320,9 +320,9 @@ do {									\
 	bus_space_write_4((sc)->sc_st, (sc)->sc_sh, (reg), (val))
 
 void	fxp_attach __P((struct fxp_softc *));
+int	fxp_activate __P((struct device *, enum devact));
 int	fxp_detach __P((struct fxp_softc *));
 int	fxp_intr __P((void *));
 
 int	fxp_enable __P((struct fxp_softc*));
 void	fxp_disable __P((struct fxp_softc*));
-