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author | jkim <jkim@FreeBSD.org> | 2012-02-08 21:23:20 +0000 |
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committer | jkim <jkim@FreeBSD.org> | 2012-02-08 21:23:20 +0000 |
commit | 2966d74a6b934b078878f2c02e76a03b1f150013 (patch) | |
tree | 8cdfe7daa46f8eb3f6b34ed242142f085555c97c /sys/dev/acpica/acpi.c | |
parent | 234d88c28880ea3d9014955d1d8c6d90d043c878 (diff) | |
download | FreeBSD-src-2966d74a6b934b078878f2c02e76a03b1f150013.zip FreeBSD-src-2966d74a6b934b078878f2c02e76a03b1f150013.tar.gz |
Reset clock after atrtc(4) is properly resumed.
Diffstat (limited to 'sys/dev/acpica/acpi.c')
-rw-r--r-- | sys/dev/acpica/acpi.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c index 88bd5d1..c613461 100644 --- a/sys/dev/acpica/acpi.c +++ b/sys/dev/acpica/acpi.c @@ -152,6 +152,7 @@ static ACPI_STATUS acpi_EnterSleepState(struct acpi_softc *sc, int state); static void acpi_shutdown_final(void *arg, int howto); static void acpi_enable_fixed_events(struct acpi_softc *sc); static BOOLEAN acpi_has_hid(ACPI_HANDLE handle); +static void acpi_resync_clock(struct acpi_softc *sc); static int acpi_wake_sleep_prep(ACPI_HANDLE handle, int sstate); static int acpi_wake_run_prep(ACPI_HANDLE handle, int sstate); static int acpi_wake_prep_walk(int sstate); @@ -277,11 +278,13 @@ TUNABLE_INT("debug.acpi.interpreter_slack", &acpi_interpreter_slack); SYSCTL_INT(_debug_acpi, OID_AUTO, interpreter_slack, CTLFLAG_RDTUN, &acpi_interpreter_slack, 1, "Turn on interpreter slack mode."); +#ifdef __amd64__ /* Reset system clock while resuming. XXX Remove once tested. */ static int acpi_reset_clock = 1; TUNABLE_INT("debug.acpi.reset_clock", &acpi_reset_clock); SYSCTL_INT(_debug_acpi, OID_AUTO, reset_clock, CTLFLAG_RW, &acpi_reset_clock, 1, "Reset system clock while resuming."); +#endif /* Allow users to override quirks. */ TUNABLE_INT("debug.acpi.quirks", &acpi_quirks); @@ -2741,8 +2744,10 @@ backout: AcpiLeaveSleepState(state); if (slp_state >= ACPI_SS_DEV_SUSPEND) DEVICE_RESUME(root_bus); - if (slp_state >= ACPI_SS_SLEPT) + if (slp_state >= ACPI_SS_SLEPT) { + acpi_resync_clock(sc); acpi_enable_fixed_events(sc); + } sc->acpi_next_sstate = 0; mtx_unlock(&Giant); @@ -2765,10 +2770,10 @@ backout: return_ACPI_STATUS (status); } -void +static void acpi_resync_clock(struct acpi_softc *sc) { - +#ifdef __amd64__ if (!acpi_reset_clock) return; @@ -2778,6 +2783,7 @@ acpi_resync_clock(struct acpi_softc *sc) (void)timecounter->tc_get_timecount(timecounter); (void)timecounter->tc_get_timecount(timecounter); inittodr(time_second + sc->acpi_sleep_delay); +#endif } /* Enable or disable the device's wake GPE. */ |