tick_get_oneshot_wakeup_device
if (tick_get_oneshot_wakeup_device(cpu))
struct clock_event_device *curdev = tick_get_oneshot_wakeup_device(cpu);
static struct clock_event_device *tick_get_oneshot_wakeup_device(int cpu);
return tick_get_oneshot_wakeup_device(cpu);
wd = tick_get_oneshot_wakeup_device(cpu);