36 static void tick_broadcast_setup_oneshot(struct clock_event_device *bc);
38 static void tick_resume_broadcast_oneshot(struct clock_event_device *bc);
43 static inline void tick_broadcast_setup_oneshot(struct clock_event_device *bc) { BUG(); }  in tick_broadcast_setup_oneshot()  argument
45 static inline void tick_resume_broadcast_oneshot(struct clock_event_device *bc) { }  in tick_resume_broadcast_oneshot()  argument
67 static void tick_broadcast_start_periodic(struct clock_event_device *bc)  in tick_broadcast_start_periodic()  argument
69 	if (bc)  in tick_broadcast_start_periodic()
70 		tick_setup_periodic(bc, 1);  in tick_broadcast_start_periodic()
165 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_device_uses_broadcast()  local
182 			tick_broadcast_start_periodic(bc);  in tick_device_uses_broadcast()
184 			tick_broadcast_setup_oneshot(bc);  in tick_device_uses_broadcast()
223 			if (cpumask_empty(tick_broadcast_mask) && bc)  in tick_device_uses_broadcast()
224 				clockevents_shutdown(bc);  in tick_device_uses_broadcast()
233 			if (bc && !(bc->features & CLOCK_EVT_FEAT_HRTIMER))  in tick_device_uses_broadcast()
274 		struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_do_broadcast()  local
289 		local = !(bc->features & CLOCK_EVT_FEAT_HRTIMER);  in tick_do_broadcast()
358 	struct clock_event_device *bc, *dev;  in tick_broadcast_control()  local
378 	bc = tick_broadcast_device.evtdev;  in tick_broadcast_control()
396 			if (bc && !(bc->features & CLOCK_EVT_FEAT_HRTIMER) &&  in tick_broadcast_control()
414 	if (bc) {  in tick_broadcast_control()
417 				clockevents_shutdown(bc);  in tick_broadcast_control()
420 				tick_broadcast_start_periodic(bc);  in tick_broadcast_control()
422 				tick_broadcast_setup_oneshot(bc);  in tick_broadcast_control()
444 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_shutdown_broadcast()  local
447 		if (bc && cpumask_empty(tick_broadcast_mask))  in tick_shutdown_broadcast()
448 			clockevents_shutdown(bc);  in tick_shutdown_broadcast()
469 	struct clock_event_device *bc;  in tick_suspend_broadcast()  local
474 	bc = tick_broadcast_device.evtdev;  in tick_suspend_broadcast()
475 	if (bc)  in tick_suspend_broadcast()
476 		clockevents_shutdown(bc);  in tick_suspend_broadcast()
499 	struct clock_event_device *bc;  in tick_resume_broadcast()  local
504 	bc = tick_broadcast_device.evtdev;  in tick_resume_broadcast()
506 	if (bc) {  in tick_resume_broadcast()
507 		clockevents_tick_resume(bc);  in tick_resume_broadcast()
512 				tick_broadcast_start_periodic(bc);  in tick_resume_broadcast()
516 				tick_resume_broadcast_oneshot(bc);  in tick_resume_broadcast()
552 static void tick_broadcast_set_affinity(struct clock_event_device *bc,  in tick_broadcast_set_affinity()  argument
555 	if (!(bc->features & CLOCK_EVT_FEAT_DYNIRQ))  in tick_broadcast_set_affinity()
558 	if (cpumask_equal(bc->cpumask, cpumask))  in tick_broadcast_set_affinity()
561 	bc->cpumask = cpumask;  in tick_broadcast_set_affinity()
562 	irq_set_affinity(bc->irq, bc->cpumask);  in tick_broadcast_set_affinity()
565 static void tick_broadcast_set_event(struct clock_event_device *bc, int cpu,  in tick_broadcast_set_event()  argument
568 	if (!clockevent_state_oneshot(bc))  in tick_broadcast_set_event()
569 		clockevents_switch_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_broadcast_set_event()
571 	clockevents_program_event(bc, expires, 1);  in tick_broadcast_set_event()
572 	tick_broadcast_set_affinity(bc, cpumask_of(cpu));  in tick_broadcast_set_event()
575 static void tick_resume_broadcast_oneshot(struct clock_event_device *bc)  in tick_resume_broadcast_oneshot()  argument
577 	clockevents_switch_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_resume_broadcast_oneshot()
684 static int broadcast_needs_cpu(struct clock_event_device *bc, int cpu)  in broadcast_needs_cpu()  argument
686 	if (!(bc->features & CLOCK_EVT_FEAT_HRTIMER))  in broadcast_needs_cpu()
688 	if (bc->next_event == KTIME_MAX)  in broadcast_needs_cpu()
690 	return bc->bound_on == cpu ? -EBUSY : 0;  in broadcast_needs_cpu()
693 static void broadcast_shutdown_local(struct clock_event_device *bc,  in broadcast_shutdown_local()  argument
701 	if (bc->features & CLOCK_EVT_FEAT_HRTIMER) {  in broadcast_shutdown_local()
702 		if (broadcast_needs_cpu(bc, smp_processor_id()))  in broadcast_shutdown_local()
704 		if (dev->next_event < bc->next_event)  in broadcast_shutdown_local()
712 	struct clock_event_device *bc, *dev;  in __tick_broadcast_oneshot_control()  local
726 	bc = tick_broadcast_device.evtdev;  in __tick_broadcast_oneshot_control()
737 		ret = broadcast_needs_cpu(bc, cpu);  in __tick_broadcast_oneshot_control()
747 			if (bc->features & CLOCK_EVT_FEAT_HRTIMER)  in __tick_broadcast_oneshot_control()
756 			broadcast_shutdown_local(bc, dev);  in __tick_broadcast_oneshot_control()
770 			} else if (dev->next_event < bc->next_event) {  in __tick_broadcast_oneshot_control()
771 				tick_broadcast_set_event(bc, cpu, dev->next_event);  in __tick_broadcast_oneshot_control()
779 				ret = broadcast_needs_cpu(bc, cpu);  in __tick_broadcast_oneshot_control()
883 static void tick_broadcast_setup_oneshot(struct clock_event_device *bc)  in tick_broadcast_setup_oneshot()  argument
887 	if (!bc)  in tick_broadcast_setup_oneshot()
891 	if (bc->event_handler != tick_handle_oneshot_broadcast) {  in tick_broadcast_setup_oneshot()
892 		int was_periodic = clockevent_state_periodic(bc);  in tick_broadcast_setup_oneshot()
894 		bc->event_handler = tick_handle_oneshot_broadcast;  in tick_broadcast_setup_oneshot()
908 			clockevents_switch_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_broadcast_setup_oneshot()
911 			tick_broadcast_set_event(bc, cpu, tick_next_period);  in tick_broadcast_setup_oneshot()
913 			bc->next_event = KTIME_MAX;  in tick_broadcast_setup_oneshot()
931 	struct clock_event_device *bc;  in tick_broadcast_switch_to_oneshot()  local
937 	bc = tick_broadcast_device.evtdev;  in tick_broadcast_switch_to_oneshot()
938 	if (bc)  in tick_broadcast_switch_to_oneshot()
939 		tick_broadcast_setup_oneshot(bc);  in tick_broadcast_switch_to_oneshot()
947 	struct clock_event_device *bc;  in hotplug_cpu__broadcast_tick_pull()  local
951 	bc = tick_broadcast_device.evtdev;  in hotplug_cpu__broadcast_tick_pull()
953 	if (bc && broadcast_needs_cpu(bc, deadcpu)) {  in hotplug_cpu__broadcast_tick_pull()
955 		clockevents_program_event(bc, bc->next_event, 1);  in hotplug_cpu__broadcast_tick_pull()
988 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_broadcast_oneshot_available()  local
990 	return bc ? bc->features & CLOCK_EVT_FEAT_ONESHOT : false;  in tick_broadcast_oneshot_available()
996 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in __tick_broadcast_oneshot_control()  local
998 	if (!bc || (bc->features & CLOCK_EVT_FEAT_HRTIMER))  in __tick_broadcast_oneshot_control()