diff --git a/sys/arch/sgimips/mace/if_mec.c b/sys/arch/sgimips/mace/if_mec.c
index 6f6bd204e144..10d05e05b016 100644
--- a/sys/arch/sgimips/mace/if_mec.c
+++ b/sys/arch/sgimips/mace/if_mec.c
@@ -1,4 +1,4 @@
-/* $NetBSD: if_mec.c,v 1.35 2009/05/09 18:31:46 tsutsui Exp $ */
+/* $NetBSD: if_mec.c,v 1.36 2009/09/01 15:19:20 tsutsui Exp $ */
 
 /*-
  * Copyright (c) 2004, 2008 Izumi Tsutsui.  All rights reserved.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_mec.c,v 1.35 2009/05/09 18:31:46 tsutsui Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_mec.c,v 1.36 2009/09/01 15:19:20 tsutsui Exp $");
 
 #include "opt_ddb.h"
 #include "bpfilter.h"
@@ -293,7 +293,6 @@ struct mec_softc {
 	bus_space_tag_t sc_st;		/* bus_space tag */
 	bus_space_handle_t sc_sh;	/* bus_space handle */
 	bus_dma_tag_t sc_dmat;		/* bus_dma tag */
-	void *sc_sdhook;		/* shutdown hook */
 
 	struct ethercom sc_ethercom;	/* Ethernet common part */
 
@@ -416,7 +415,7 @@ static void	mec_rxintr(struct mec_softc *);
 static void	mec_rxcsum(struct mec_softc *, struct mbuf *, uint16_t,
 		    uint32_t);
 static void	mec_txintr(struct mec_softc *, uint32_t);
-static void	mec_shutdown(void *);
+static bool	mec_shutdown(device_t, int);
 
 CFATTACH_DECL_NEW(mec, sizeof(struct mec_softc),
     mec_match, mec_attach, NULL, NULL);
@@ -727,7 +726,7 @@ mec_attach(device_t parent, device_t self, void *aux)
 #endif
 
 	/* set shutdown hook to reset interface on powerdown */
-	sc->sc_sdhook = shutdownhook_establish(mec_shutdown, sc);
+	pmf_device_register1(self, NULL, NULL, mec_shutdown);
 
 	return;
 
@@ -1952,12 +1951,14 @@ mec_txintr(struct mec_softc *sc, uint32_t txptr)
 		ifp->if_flags &= ~IFF_OACTIVE;
 }
 
-static void
-mec_shutdown(void *arg)
+static bool
+mec_shutdown(device_t self, int howto)
 {
-	struct mec_softc *sc = arg;
+	struct mec_softc *sc = device_private(self);
 
 	mec_stop(&sc->sc_ethercom.ec_if, 1);
 	/* make sure to stop DMA etc. */
 	mec_reset(sc);
+
+	return true;
 }
diff --git a/sys/dev/ic/dp83932.c b/sys/dev/ic/dp83932.c
index 89b66aae2bad..9277d0d1f38d 100644
--- a/sys/dev/ic/dp83932.c
+++ b/sys/dev/ic/dp83932.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: dp83932.c,v 1.27 2008/08/23 15:46:47 tsutsui Exp $	*/
+/*	$NetBSD: dp83932.c,v 1.28 2009/09/01 15:20:53 tsutsui Exp $	*/
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dp83932.c,v 1.27 2008/08/23 15:46:47 tsutsui Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dp83932.c,v 1.28 2009/09/01 15:20:53 tsutsui Exp $");
 
 #include "bpfilter.h"
 
@@ -71,7 +71,7 @@ int	sonic_ioctl(struct ifnet *, u_long, void *);
 int	sonic_init(struct ifnet *);
 void	sonic_stop(struct ifnet *, int);
 
-void	sonic_shutdown(void *);
+bool	sonic_shutdown(device_t, int);
 
 void	sonic_reset(struct sonic_softc *);
 void	sonic_rxdrain(struct sonic_softc *);
@@ -222,8 +222,7 @@ sonic_attach(struct sonic_softc *sc, const uint8_t *enaddr)
 	/*
 	 * Make sure the interface is shutdown during reboot.
 	 */
-	sc->sc_sdhook = shutdownhook_establish(sonic_shutdown, sc);
-	if (sc->sc_sdhook == NULL)
+	if (!pmf_device_register1(sc->sc_dev, NULL, NULL, sonic_shutdown))
 		aprint_error_dev(sc->sc_dev,
 		    "WARNING: unable to establish shutdown hook\n");
 	return;
@@ -262,12 +261,14 @@ sonic_attach(struct sonic_softc *sc, const uint8_t *enaddr)
  *
  *	Make sure the interface is stopped at reboot.
  */
-void
-sonic_shutdown(void *arg)
+bool
+sonic_shutdown(device_t self, int howto)
 {
-	struct sonic_softc *sc = arg;
+	struct sonic_softc *sc = device_private(self);
 
 	sonic_stop(&sc->sc_ethercom.ec_if, 1);
+
+	return true;
 }
 
 /*
diff --git a/sys/dev/ic/dp83932var.h b/sys/dev/ic/dp83932var.h
index 619917ece9c2..62e05cbcec3d 100644
--- a/sys/dev/ic/dp83932var.h
+++ b/sys/dev/ic/dp83932var.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: dp83932var.h,v 1.11 2008/04/28 20:23:49 martin Exp $	*/
+/*	$NetBSD: dp83932var.h,v 1.12 2009/09/01 15:20:53 tsutsui Exp $	*/
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -151,7 +151,6 @@ struct sonic_softc {
 	bus_space_handle_t sc_sh;	/* bus space handle */
 	bus_dma_tag_t sc_dmat;		/* bus DMA tag */
 	struct ethercom sc_ethercom;	/* ethernet common data */
-	void *sc_sdhook;		/* shutdown hook */
 
 	int sc_32bit;			/* use 32-bit mode */
 	int sc_bigendian;		/* BMODE -> Vcc */