From: damien <damien@openbsd.org>
Date: Wed, 4 Aug 2010 19:49:49 +0000 (+0000)
Subject: use a workq for resume.
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=0ac915e4f0db4d1975ea557e2ff0dfd2a8efc45a;p=openbsd

use a workq for resume.

ok deraadt@
---

diff --git a/sys/dev/pci/if_athn_pci.c b/sys/dev/pci/if_athn_pci.c
index d8aad078748..e219d848f74 100644
--- a/sys/dev/pci/if_athn_pci.c
+++ b/sys/dev/pci/if_athn_pci.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_athn_pci.c,v 1.7 2010/07/21 14:01:58 kettenis Exp $	*/
+/*	$OpenBSD: if_athn_pci.c,v 1.8 2010/08/04 19:49:49 damien Exp $	*/
 
 /*-
  * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
@@ -31,6 +31,7 @@
 #include <sys/malloc.h>
 #include <sys/timeout.h>
 #include <sys/device.h>
+#include <sys/workq.h>
 
 #include <machine/bus.h>
 #include <machine/intr.h>
@@ -66,12 +67,14 @@ struct athn_pci_softc {
 	void			*sc_ih;
 	bus_size_t		sc_mapsize;
 	int			sc_cap_off;
+	struct workq_task	sc_resume_wqt;
 };
 
 int	athn_pci_match(struct device *, void *, void *);
 void	athn_pci_attach(struct device *, struct device *, void *);
 int	athn_pci_detach(struct device *, int);
 int	athn_pci_activate(struct device *, int);
+void	athn_pci_resume(void *, void *);
 void	athn_pci_disable_aspm(struct athn_softc *);
 
 struct cfattach athn_pci_ca = {
@@ -199,20 +202,34 @@ athn_pci_detach(struct device *self, int flags)
 int
 athn_pci_activate(struct device *self, int act)
 {
-	struct athn_softc *sc = (struct athn_softc *)self;
+	struct athn_pci_softc *psc = (struct athn_pci_softc *)self;
+	struct athn_softc *sc = &psc->sc_sc;
 
 	switch (act) {
 	case DVACT_SUSPEND:
 		athn_suspend(sc);
 		break;
 	case DVACT_RESUME:
-		athn_resume(sc);
+		workq_queue_task(NULL, &psc->sc_resume_wqt, 0,
+		    athn_pci_resume, psc, NULL);
 		break;
 	}
 
 	return (0);
 }
 
+void
+athn_pci_resume(void *arg1, void *arg2)
+{
+	struct athn_pci_softc *psc = arg1;
+	struct athn_softc *sc = &psc->sc_sc;
+	int s;
+
+	s = splnet();
+	athn_resume(sc);
+	splx(s);
+}
+
 void
 athn_pci_disable_aspm(struct athn_softc *sc)
 {