diff options
| -rw-r--r-- | sys/dev/acpi/acpiec.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/sys/dev/acpi/acpiec.c b/sys/dev/acpi/acpiec.c index e6a5e01854a..52ff105ee8f 100644 --- a/sys/dev/acpi/acpiec.c +++ b/sys/dev/acpi/acpiec.c @@ -1,4 +1,4 @@ -/* $OpenBSD: acpiec.c,v 1.46 2012/07/13 10:37:40 pirofti Exp $ */ +/* $OpenBSD: acpiec.c,v 1.47 2013/01/18 06:02:51 pirofti Exp $ */ /* * Copyright (c) 2006 Can Erkin Acar <canacar@openbsd.org> * @@ -59,6 +59,9 @@ void acpiec_get_events(struct acpiec_softc *); int acpiec_gpehandler(struct acpi_softc *, int, void *); +void acpiec_lock(struct acpiec_softc *); +void acpiec_unlock(struct acpiec_softc *); + /* EC Status bits */ #define EC_STAT_SMI_EVT 0x40 /* SMI event pending */ #define EC_STAT_SCI_EVT 0x20 /* SCI event pending */ @@ -524,3 +527,27 @@ acpiec_reg(struct acpiec_softc *sc) return (0); } + +void +acpiec_lock(struct acpiec_softc *sc) +{ + KASSERT(sc->sc_ecbusy == 0); + + sc->sc_ecbusy = 1; + + if (sc->sc_glk) { + acpi_glk_enter(); + } +} + +void +acpiec_unlock(struct acpiec_softc *sc) +{ + KASSERT(sc->sc_ecbusy == 1); + + if (sc->sc_glk) { + acpi_glk_leave(); + } + + sc->sc_ecbusy = 0; +} |