diff options
Diffstat (limited to 'sys/kern/subr_power.c')
-rw-r--r-- | sys/kern/subr_power.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/sys/kern/subr_power.c b/sys/kern/subr_power.c index 7d69765..f1485e6 100644 --- a/sys/kern/subr_power.c +++ b/sys/kern/subr_power.c @@ -32,10 +32,20 @@ __FBSDID("$FreeBSD$"); #include <sys/proc.h> #include <sys/power.h> +#include <sys/taskqueue.h> static u_int power_pm_type = POWER_PM_TYPE_NONE; static power_pm_fn_t power_pm_fn = NULL; static void *power_pm_arg = NULL; +static struct task power_pm_task; + +static void +power_pm_deferred_fn(void *arg, int pending) +{ + int state = (int)arg; + + power_pm_fn(POWER_CMD_SUSPEND, power_pm_arg, state); +} int power_pm_register(u_int pm_type, power_pm_fn_t pm_fn, void *pm_arg) @@ -48,6 +58,7 @@ power_pm_register(u_int pm_type, power_pm_fn_t pm_fn, void *pm_arg) power_pm_fn = pm_fn; power_pm_arg = pm_arg; error = 0; + TASK_INIT(&power_pm_task, 0, power_pm_deferred_fn, NULL); } else { error = ENXIO; } @@ -72,8 +83,8 @@ power_pm_suspend(int state) state != POWER_SLEEP_STATE_SUSPEND && state != POWER_SLEEP_STATE_HIBERNATE) return; - - power_pm_fn(POWER_CMD_SUSPEND, power_pm_arg, state); + power_pm_task.ta_context = (void *)state; + taskqueue_enqueue(taskqueue_swi, &power_pm_task); } /* |