void rthal_timer_release(int cpu)
{
#ifdef CONFIG_GENERIC_CLOCKEVENTS
ipipe_release_tickdev(cpu);
#endif
rthal_irq_release(RTHAL_TIMER_IRQ);
if (rthal_ktimer_saved_mode == KTIMER_MODE_PERIODIC)
rthal_timer_set_periodic();
else if (rthal_ktimer_saved_mode == KTIMER_MODE_ONESHOT)
/* We need to keep the timing cycle alive for the kernel. */
rthal_trigger_irq(RTHAL_TIMER_IRQ);
}
static void rthal_timer_set_oneshot(int rt_mode)
{
unsigned long flags;
flags = rthal_critical_enter(rthal_critical_sync);
if (rt_mode) {
rthal_sync_op = RTHAL_SET_ONESHOT_XENOMAI;
rthal_setup_oneshot_dec();
rthal_disarm_decr(1);
} else {
rthal_sync_op = RTHAL_SET_ONESHOT_LINUX;
rthal_setup_oneshot_dec();
rthal_disarm_decr(0);
/* We need to keep the timing cycle alive for the kernel. */
rthal_trigger_irq(RTHAL_TIMER_IRQ);
}
rthal_critical_exit(flags);
}
static void rthal_critical_sync(void)
{
switch (rthal_sync_op) {
case RTHAL_SET_ONESHOT_XENOMAI:
force_oneshot_hw_mode();
steal_timer(1);
break;
case RTHAL_SET_ONESHOT_LINUX:
force_oneshot_hw_mode();
steal_timer(0);
/* We need to keep the timing cycle alive for the kernel. */
rthal_trigger_irq(RTHAL_TIMER_IRQ);
break;
case RTHAL_SET_PERIODIC:
restore_normal_hw_mode();
break;
}
}
static void rthal_critical_sync(void)
{
switch (rthal_sync_op) {
case RTHAL_SET_ONESHOT_XENOMAI:
rthal_setup_oneshot_dec();
rthal_disarm_decr(1);
break;
case RTHAL_SET_ONESHOT_LINUX:
rthal_setup_oneshot_dec();
rthal_disarm_decr(0);
/* We need to keep the timing cycle alive for the kernel. */
rthal_trigger_irq(RTHAL_TIMER_IRQ);
break;
case RTHAL_SET_PERIODIC:
rthal_setup_periodic_dec();
rthal_disarm_decr(0);
break;
}
}
