40 static void tick_resume_broadcast_oneshot(struct clock_event_device *bc);
43 static inline void tick_resume_broadcast_oneshot(struct clock_event_device *bc) { }  in tick_resume_broadcast_oneshot()  argument
62 static void tick_broadcast_start_periodic(struct clock_event_device *bc)  in tick_broadcast_start_periodic()  argument
64 	if (bc)  in tick_broadcast_start_periodic()
65 		tick_setup_periodic(bc, 1);  in tick_broadcast_start_periodic()
160 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_device_uses_broadcast()  local
177 			tick_broadcast_start_periodic(bc);  in tick_device_uses_broadcast()
179 			tick_broadcast_setup_oneshot(bc);  in tick_device_uses_broadcast()
218 			if (cpumask_empty(tick_broadcast_mask) && bc)  in tick_device_uses_broadcast()
219 				clockevents_shutdown(bc);  in tick_device_uses_broadcast()
228 			if (bc && !(bc->features & CLOCK_EVT_FEAT_HRTIMER))  in tick_device_uses_broadcast()
269 		struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_do_broadcast()  local
284 		local = !(bc->features & CLOCK_EVT_FEAT_HRTIMER);  in tick_do_broadcast()
357 	struct clock_event_device *bc, *dev;  in tick_broadcast_control()  local
375 	bc = tick_broadcast_device.evtdev;  in tick_broadcast_control()
392 			if (bc && !(bc->features & CLOCK_EVT_FEAT_HRTIMER) &&  in tick_broadcast_control()
412 	if (bc) {  in tick_broadcast_control()
415 				clockevents_shutdown(bc);  in tick_broadcast_control()
418 				tick_broadcast_start_periodic(bc);  in tick_broadcast_control()
420 				tick_broadcast_setup_oneshot(bc);  in tick_broadcast_control()
444 	struct clock_event_device *bc;  in tick_shutdown_broadcast()  local
449 	bc = tick_broadcast_device.evtdev;  in tick_shutdown_broadcast()
454 		if (bc && cpumask_empty(tick_broadcast_mask))  in tick_shutdown_broadcast()
455 			clockevents_shutdown(bc);  in tick_shutdown_broadcast()
464 	struct clock_event_device *bc;  in tick_suspend_broadcast()  local
469 	bc = tick_broadcast_device.evtdev;  in tick_suspend_broadcast()
470 	if (bc)  in tick_suspend_broadcast()
471 		clockevents_shutdown(bc);  in tick_suspend_broadcast()
494 	struct clock_event_device *bc;  in tick_resume_broadcast()  local
499 	bc = tick_broadcast_device.evtdev;  in tick_resume_broadcast()
501 	if (bc) {  in tick_resume_broadcast()
502 		clockevents_tick_resume(bc);  in tick_resume_broadcast()
507 				tick_broadcast_start_periodic(bc);  in tick_resume_broadcast()
511 				tick_resume_broadcast_oneshot(bc);  in tick_resume_broadcast()
547 static void tick_broadcast_set_affinity(struct clock_event_device *bc,  in tick_broadcast_set_affinity()  argument
550 	if (!(bc->features & CLOCK_EVT_FEAT_DYNIRQ))  in tick_broadcast_set_affinity()
553 	if (cpumask_equal(bc->cpumask, cpumask))  in tick_broadcast_set_affinity()
556 	bc->cpumask = cpumask;  in tick_broadcast_set_affinity()
557 	irq_set_affinity(bc->irq, bc->cpumask);  in tick_broadcast_set_affinity()
560 static void tick_broadcast_set_event(struct clock_event_device *bc, int cpu,  in tick_broadcast_set_event()  argument
563 	if (!clockevent_state_oneshot(bc))  in tick_broadcast_set_event()
564 		clockevents_switch_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_broadcast_set_event()
566 	clockevents_program_event(bc, expires, 1);  in tick_broadcast_set_event()
567 	tick_broadcast_set_affinity(bc, cpumask_of(cpu));  in tick_broadcast_set_event()
570 static void tick_resume_broadcast_oneshot(struct clock_event_device *bc)  in tick_resume_broadcast_oneshot()  argument
572 	clockevents_switch_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_resume_broadcast_oneshot()
671 static int broadcast_needs_cpu(struct clock_event_device *bc, int cpu)  in broadcast_needs_cpu()  argument
673 	if (!(bc->features & CLOCK_EVT_FEAT_HRTIMER))  in broadcast_needs_cpu()
675 	if (bc->next_event.tv64 == KTIME_MAX)  in broadcast_needs_cpu()
677 	return bc->bound_on == cpu ? -EBUSY : 0;  in broadcast_needs_cpu()
680 static void broadcast_shutdown_local(struct clock_event_device *bc,  in broadcast_shutdown_local()  argument
688 	if (bc->features & CLOCK_EVT_FEAT_HRTIMER) {  in broadcast_shutdown_local()
689 		if (broadcast_needs_cpu(bc, smp_processor_id()))  in broadcast_shutdown_local()
691 		if (dev->next_event.tv64 < bc->next_event.tv64)  in broadcast_shutdown_local()
699 	struct clock_event_device *bc, *dev;  in __tick_broadcast_oneshot_control()  local
713 	bc = tick_broadcast_device.evtdev;  in __tick_broadcast_oneshot_control()
724 		ret = broadcast_needs_cpu(bc, cpu);  in __tick_broadcast_oneshot_control()
734 			if (bc->features & CLOCK_EVT_FEAT_HRTIMER)  in __tick_broadcast_oneshot_control()
743 			broadcast_shutdown_local(bc, dev);  in __tick_broadcast_oneshot_control()
757 			} else if (dev->next_event.tv64 < bc->next_event.tv64) {  in __tick_broadcast_oneshot_control()
758 				tick_broadcast_set_event(bc, cpu, dev->next_event);  in __tick_broadcast_oneshot_control()
766 				ret = broadcast_needs_cpu(bc, cpu);  in __tick_broadcast_oneshot_control()
870 void tick_broadcast_setup_oneshot(struct clock_event_device *bc)  in tick_broadcast_setup_oneshot()  argument
875 	if (bc->event_handler != tick_handle_oneshot_broadcast) {  in tick_broadcast_setup_oneshot()
876 		int was_periodic = clockevent_state_periodic(bc);  in tick_broadcast_setup_oneshot()
878 		bc->event_handler = tick_handle_oneshot_broadcast;  in tick_broadcast_setup_oneshot()
892 			clockevents_switch_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_broadcast_setup_oneshot()
895 			tick_broadcast_set_event(bc, cpu, tick_next_period);  in tick_broadcast_setup_oneshot()
897 			bc->next_event.tv64 = KTIME_MAX;  in tick_broadcast_setup_oneshot()
915 	struct clock_event_device *bc;  in tick_broadcast_switch_to_oneshot()  local
921 	bc = tick_broadcast_device.evtdev;  in tick_broadcast_switch_to_oneshot()
922 	if (bc)  in tick_broadcast_switch_to_oneshot()
923 		tick_broadcast_setup_oneshot(bc);  in tick_broadcast_switch_to_oneshot()
931 	struct clock_event_device *bc;  in hotplug_cpu__broadcast_tick_pull()  local
935 	bc = tick_broadcast_device.evtdev;  in hotplug_cpu__broadcast_tick_pull()
937 	if (bc && broadcast_needs_cpu(bc, deadcpu)) {  in hotplug_cpu__broadcast_tick_pull()
939 		clockevents_program_event(bc, bc->next_event, 1);  in hotplug_cpu__broadcast_tick_pull()
978 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_broadcast_oneshot_available()  local
980 	return bc ? bc->features & CLOCK_EVT_FEAT_ONESHOT : false;  in tick_broadcast_oneshot_available()
986 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in __tick_broadcast_oneshot_control()  local
988 	if (!bc || (bc->features & CLOCK_EVT_FEAT_HRTIMER))  in __tick_broadcast_oneshot_control()