From 72d14235f902d9cadbd7249570c53f4cb4113b14 Mon Sep 17 00:00:00 2001
From: deraadt <deraadt@openbsd.org>
Date: Thu, 5 Aug 2010 07:57:04 +0000
Subject: [PATCH] ca_activate function for suspend/resume; tested by mlarkin on
 a Davicom DM9102.  (bit of noise on suspend or resume, but that can be dealt
 with later)

---
 sys/dev/ic/dc.c         |  4 +---
 sys/dev/ic/dcreg.h      |  6 +++++-
 sys/dev/pci/if_dc_pci.c | 28 ++++++++++++++++++++++++++--
 3 files changed, 32 insertions(+), 6 deletions(-)

diff --git a/sys/dev/ic/dc.c b/sys/dev/ic/dc.c
index c2f3e462a97..705e0dda779 100644
--- a/sys/dev/ic/dc.c
+++ b/sys/dev/ic/dc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dc.c,v 1.115 2010/07/02 15:47:54 blambert Exp $	*/
+/*	$OpenBSD: dc.c,v 1.116 2010/08/05 07:57:04 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1997, 1998, 1999
@@ -144,8 +144,6 @@ void dc_tick(void *);
 void dc_tx_underrun(struct dc_softc *);
 void dc_start(struct ifnet *);
 int dc_ioctl(struct ifnet *, u_long, caddr_t);
-void dc_init(void *);
-void dc_stop(struct dc_softc *, int);
 void dc_watchdog(struct ifnet *);
 int dc_ifmedia_upd(struct ifnet *);
 void dc_ifmedia_sts(struct ifnet *, struct ifmediareq *);
diff --git a/sys/dev/ic/dcreg.h b/sys/dev/ic/dcreg.h
index 81f840dfbfe..79b84e8c5f8 100644
--- a/sys/dev/ic/dcreg.h
+++ b/sys/dev/ic/dcreg.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dcreg.h,v 1.45 2009/08/10 20:29:54 deraadt Exp $ */
+/*	$OpenBSD: dcreg.h,v 1.46 2010/08/05 07:57:04 deraadt Exp $ */
 
 /*
  * Copyright (c) 1997, 1998, 1999
@@ -1049,6 +1049,10 @@ struct dc_eblock_reset {
 extern void dc_attach(struct dc_softc *);
 extern int dc_detach(struct dc_softc *);
 extern int dc_intr(void *);
+
+void dc_init(void *);
+void dc_stop(struct dc_softc *, int);
+
 extern void dc_reset(struct dc_softc *);
 extern void dc_eeprom_width(struct dc_softc *);
 extern void dc_read_srom(struct dc_softc *, int);
diff --git a/sys/dev/pci/if_dc_pci.c b/sys/dev/pci/if_dc_pci.c
index 76ab92df416..5c485a2a51d 100644
--- a/sys/dev/pci/if_dc_pci.c
+++ b/sys/dev/pci/if_dc_pci.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_dc_pci.c,v 1.65 2009/10/15 17:54:56 deraadt Exp $	*/
+/*	$OpenBSD: if_dc_pci.c,v 1.66 2010/08/05 07:57:05 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1997, 1998, 1999
@@ -125,6 +125,7 @@ struct dc_type dc_devs[] = {
 int dc_pci_match(struct device *, void *, void *);
 void dc_pci_attach(struct device *, struct device *, void *);
 int dc_pci_detach(struct device *, int);
+int dc_pci_activate(struct device *, int);
 void dc_pci_acpi(struct device *, void *);
 
 struct dc_pci_softc {
@@ -573,6 +574,29 @@ dc_pci_detach(struct device *self, int flags)
 	return (0);
 }
 
+int
+dc_pci_activate(struct device *self, int act)
+{
+	struct dc_pci_softc *psc = (void *)self;
+	struct dc_softc *sc = &psc->psc_softc;
+	struct ifnet *ifp = &sc->sc_arpcom.ac_if;
+
+	switch (act) {
+	case DVACT_SUSPEND:
+		if (ifp->if_flags & IFF_RUNNING)
+			dc_stop(sc, 0);
+		config_activate_children(self, act);
+		break;
+	case DVACT_RESUME:
+		config_activate_children(self, act);
+		if (ifp->if_flags & IFF_UP)
+			dc_init(sc);
+		break;
+	}
+	return (0);
+}
+
 struct cfattach dc_pci_ca = {
-	sizeof(struct dc_softc), dc_pci_match, dc_pci_attach, dc_pci_detach
+	sizeof(struct dc_softc), dc_pci_match, dc_pci_attach, dc_pci_detach,
+	dc_pci_activate
 };
-- 
2.20.1