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-rw-r--r--sys/dev/acpi/acpi.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/sys/dev/acpi/acpi.c b/sys/dev/acpi/acpi.c
index dffb5aa0d8c..7b141c24292 100644
--- a/sys/dev/acpi/acpi.c
+++ b/sys/dev/acpi/acpi.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: acpi.c,v 1.171 2010/07/06 20:14:17 deraadt Exp $ */
+/* $OpenBSD: acpi.c,v 1.172 2010/07/06 20:15:31 deraadt Exp $ */
/*
* Copyright (c) 2005 Thorsten Lockert <tholo@sigmasoft.com>
* Copyright (c) 2005 Jordan Hargrave <jordan@openbsd.org>
@@ -128,9 +128,6 @@ int acpi_gpe_edge(struct acpi_softc *, int, void *);
struct gpe_block *acpi_find_gpe(struct acpi_softc *, int);
-#define ACPI_LOCK(sc)
-#define ACPI_UNLOCK(sc)
-
/* XXX move this into dsdt softc at some point */
extern struct aml_node aml_root;
@@ -891,12 +888,13 @@ acpiopen(dev_t dev, int flag, int mode, struct proc *p)
int error = 0;
#ifndef SMALL_KERNEL
struct acpi_softc *sc;
+ int s;
if (!acpi_cd.cd_ndevs || APMUNIT(dev) != 0 ||
!(sc = acpi_cd.cd_devs[APMUNIT(dev)]))
return (ENXIO);
- ACPI_LOCK(sc);
+ s = spltty();
switch (APMDEV(dev)) {
case APMDEV_CTL:
if (!(flag & FWRITE)) {
@@ -920,7 +918,7 @@ acpiopen(dev_t dev, int flag, int mode, struct proc *p)
error = ENXIO;
break;
}
- ACPI_UNLOCK(sc);
+ splx(s);
#else
error = ENXIO;
#endif
@@ -933,12 +931,13 @@ acpiclose(dev_t dev, int flag, int mode, struct proc *p)
int error = 0;
#ifndef SMALL_KERNEL
struct acpi_softc *sc;
+ int s;
if (!acpi_cd.cd_ndevs || APMUNIT(dev) != 0 ||
!(sc = acpi_cd.cd_devs[APMUNIT(dev)]))
return (ENXIO);
- ACPI_LOCK(sc);
+ s = spltty();
switch (APMDEV(dev)) {
case APMDEV_CTL:
sc->sc_flags &= ~SCFLAG_OWRITE;
@@ -950,7 +949,7 @@ acpiclose(dev_t dev, int flag, int mode, struct proc *p)
error = ENXIO;
break;
}
- ACPI_UNLOCK(sc);
+ splx(s);
#else
error = ENXIO;
#endif
@@ -968,12 +967,13 @@ acpiioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
struct apm_power_info *pi = (struct apm_power_info *)data;
int bats;
unsigned int remaining, rem, minutes, rate;
+ int s;
if (!acpi_cd.cd_ndevs || APMUNIT(dev) != 0 ||
!(sc = acpi_cd.cd_devs[APMUNIT(dev)]))
return (ENXIO);
- ACPI_LOCK(sc);
+ s = spltty();
/* fake APM */
switch (cmd) {
case APM_IOC_SUSPEND:
@@ -1049,7 +1049,7 @@ acpiioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
error = ENOTTY;
}
- ACPI_UNLOCK(sc);
+ splx(s);
#else
error = ENXIO;
#endif /* SMALL_KERNEL */
@@ -1061,10 +1061,11 @@ acpi_filtdetach(struct knote *kn)
{
#ifndef SMALL_KERNEL
struct acpi_softc *sc = kn->kn_hook;
+ int s;
- ACPI_LOCK(sc);
+ s = spltty();
SLIST_REMOVE(sc->sc_note, kn, knote, kn_selnext);
- ACPI_UNLOCK(sc);
+ splx(s);
#endif
}
@@ -1084,6 +1085,7 @@ acpikqfilter(dev_t dev, struct knote *kn)
{
#ifndef SMALL_KERNEL
struct acpi_softc *sc;
+ int s;
if (!acpi_cd.cd_ndevs || APMUNIT(dev) != 0 ||
!(sc = acpi_cd.cd_devs[APMUNIT(dev)]))
@@ -1099,9 +1101,9 @@ acpikqfilter(dev_t dev, struct knote *kn)
kn->kn_hook = sc;
- ACPI_LOCK(sc);
+ s = spltty();
SLIST_INSERT_HEAD(sc->sc_note, kn, kn_selnext);
- ACPI_UNLOCK(sc);
+ splx(s);
return (0);
#else