38 static void tick_broadcast_setup_oneshot(struct clock_event_device *bc, bool from_periodic);
40 static void tick_resume_broadcast_oneshot(struct clock_event_device *bc);
46 tick_broadcast_setup_oneshot(struct clock_event_device *bc, bool from_periodic) { BUG(); }  in tick_broadcast_setup_oneshot()  argument
48 static inline void tick_resume_broadcast_oneshot(struct clock_event_device *bc) { }  in tick_resume_broadcast_oneshot()  argument
77 static void tick_broadcast_start_periodic(struct clock_event_device *bc)  in tick_broadcast_start_periodic()  argument
79 	if (bc)  in tick_broadcast_start_periodic()
80 		tick_setup_periodic(bc, 1);  in tick_broadcast_start_periodic()
249 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_device_uses_broadcast()  local
266 			tick_broadcast_start_periodic(bc);  in tick_device_uses_broadcast()
268 			tick_broadcast_setup_oneshot(bc, false);  in tick_device_uses_broadcast()
307 			if (cpumask_empty(tick_broadcast_mask) && bc)  in tick_device_uses_broadcast()
308 				clockevents_shutdown(bc);  in tick_device_uses_broadcast()
317 			if (bc && !(bc->features & CLOCK_EVT_FEAT_HRTIMER))  in tick_device_uses_broadcast()
356 		struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_do_broadcast()  local
371 		local = !(bc->features & CLOCK_EVT_FEAT_HRTIMER);  in tick_do_broadcast()
440 	struct clock_event_device *bc, *dev;  in tick_broadcast_control()  local
460 	bc = tick_broadcast_device.evtdev;  in tick_broadcast_control()
478 			if (bc && !(bc->features & CLOCK_EVT_FEAT_HRTIMER) &&  in tick_broadcast_control()
496 	if (bc) {  in tick_broadcast_control()
499 				clockevents_shutdown(bc);  in tick_broadcast_control()
502 				tick_broadcast_start_periodic(bc);  in tick_broadcast_control()
504 				tick_broadcast_setup_oneshot(bc, false);  in tick_broadcast_control()
526 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_shutdown_broadcast()  local
529 		if (bc && cpumask_empty(tick_broadcast_mask))  in tick_shutdown_broadcast()
530 			clockevents_shutdown(bc);  in tick_shutdown_broadcast()
551 	struct clock_event_device *bc;  in tick_suspend_broadcast()  local
556 	bc = tick_broadcast_device.evtdev;  in tick_suspend_broadcast()
557 	if (bc)  in tick_suspend_broadcast()
558 		clockevents_shutdown(bc);  in tick_suspend_broadcast()
581 	struct clock_event_device *bc;  in tick_resume_broadcast()  local
586 	bc = tick_broadcast_device.evtdev;  in tick_resume_broadcast()
588 	if (bc) {  in tick_resume_broadcast()
589 		clockevents_tick_resume(bc);  in tick_resume_broadcast()
594 				tick_broadcast_start_periodic(bc);  in tick_resume_broadcast()
598 				tick_resume_broadcast_oneshot(bc);  in tick_resume_broadcast()
638 static void tick_broadcast_set_affinity(struct clock_event_device *bc,  in tick_broadcast_set_affinity()  argument
641 	if (!(bc->features & CLOCK_EVT_FEAT_DYNIRQ))  in tick_broadcast_set_affinity()
644 	if (cpumask_equal(bc->cpumask, cpumask))  in tick_broadcast_set_affinity()
647 	bc->cpumask = cpumask;  in tick_broadcast_set_affinity()
648 	irq_set_affinity(bc->irq, bc->cpumask);  in tick_broadcast_set_affinity()
651 static void tick_broadcast_set_event(struct clock_event_device *bc, int cpu,  in tick_broadcast_set_event()  argument
654 	if (!clockevent_state_oneshot(bc))  in tick_broadcast_set_event()
655 		clockevents_switch_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_broadcast_set_event()
657 	clockevents_program_event(bc, expires, 1);  in tick_broadcast_set_event()
658 	tick_broadcast_set_affinity(bc, cpumask_of(cpu));  in tick_broadcast_set_event()
661 static void tick_resume_broadcast_oneshot(struct clock_event_device *bc)  in tick_resume_broadcast_oneshot()  argument
663 	clockevents_switch_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_resume_broadcast_oneshot()
770 static int broadcast_needs_cpu(struct clock_event_device *bc, int cpu)  in broadcast_needs_cpu()  argument
772 	if (!(bc->features & CLOCK_EVT_FEAT_HRTIMER))  in broadcast_needs_cpu()
774 	if (bc->next_event == KTIME_MAX)  in broadcast_needs_cpu()
776 	return bc->bound_on == cpu ? -EBUSY : 0;  in broadcast_needs_cpu()
779 static void broadcast_shutdown_local(struct clock_event_device *bc,  in broadcast_shutdown_local()  argument
787 	if (bc->features & CLOCK_EVT_FEAT_HRTIMER) {  in broadcast_shutdown_local()
788 		if (broadcast_needs_cpu(bc, smp_processor_id()))  in broadcast_shutdown_local()
790 		if (dev->next_event < bc->next_event)  in broadcast_shutdown_local()
800 	struct clock_event_device *bc, *dev = td->evtdev;  in ___tick_broadcast_oneshot_control()  local
805 	bc = tick_broadcast_device.evtdev;  in ___tick_broadcast_oneshot_control()
815 		ret = broadcast_needs_cpu(bc, cpu);  in ___tick_broadcast_oneshot_control()
825 			if (bc->features & CLOCK_EVT_FEAT_HRTIMER)  in ___tick_broadcast_oneshot_control()
834 			broadcast_shutdown_local(bc, dev);  in ___tick_broadcast_oneshot_control()
848 			} else if (dev->next_event < bc->next_event) {  in ___tick_broadcast_oneshot_control()
849 				tick_broadcast_set_event(bc, cpu, dev->next_event);  in ___tick_broadcast_oneshot_control()
857 				ret = broadcast_needs_cpu(bc, cpu);  in ___tick_broadcast_oneshot_control()
1024 static void tick_broadcast_setup_oneshot(struct clock_event_device *bc,  in tick_broadcast_setup_oneshot()  argument
1030 	if (!bc)  in tick_broadcast_setup_oneshot()
1039 	if (bc->event_handler == tick_handle_oneshot_broadcast) {  in tick_broadcast_setup_oneshot()
1063 	bc->event_handler = tick_handle_oneshot_broadcast;  in tick_broadcast_setup_oneshot()
1064 	bc->next_event = KTIME_MAX;  in tick_broadcast_setup_oneshot()
1097 		if (clockevent_state_oneshot(bc))  in tick_broadcast_setup_oneshot()
1118 		tick_broadcast_set_event(bc, cpu, nexttick);  in tick_broadcast_setup_oneshot()
1126 	struct clock_event_device *bc;  in tick_broadcast_switch_to_oneshot()  local
1134 	bc = tick_broadcast_device.evtdev;  in tick_broadcast_switch_to_oneshot()
1135 	if (bc)  in tick_broadcast_switch_to_oneshot()
1136 		tick_broadcast_setup_oneshot(bc, oldmode == TICKDEV_MODE_PERIODIC);  in tick_broadcast_switch_to_oneshot()
1144 	struct clock_event_device *bc;  in hotplug_cpu__broadcast_tick_pull()  local
1148 	bc = tick_broadcast_device.evtdev;  in hotplug_cpu__broadcast_tick_pull()
1150 	if (bc && broadcast_needs_cpu(bc, deadcpu)) {  in hotplug_cpu__broadcast_tick_pull()
1176 		clockevents_program_event(bc, bc->next_event, 1);  in hotplug_cpu__broadcast_tick_pull()
1212 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_broadcast_oneshot_available()  local
1214 	return bc ? bc->features & CLOCK_EVT_FEAT_ONESHOT : false;  in tick_broadcast_oneshot_available()
1220 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in __tick_broadcast_oneshot_control()  local
1222 	if (!bc || (bc->features & CLOCK_EVT_FEAT_HRTIMER))  in __tick_broadcast_oneshot_control()