38 static void tick_broadcast_setup_oneshot(struct clock_event_device *bc);
40 static void tick_resume_broadcast_oneshot(struct clock_event_device *bc);
45 static inline void tick_broadcast_setup_oneshot(struct clock_event_device *bc) { BUG(); }  in tick_broadcast_setup_oneshot()  argument
47 static inline void tick_resume_broadcast_oneshot(struct clock_event_device *bc) { }  in tick_resume_broadcast_oneshot()  argument
76 static void tick_broadcast_start_periodic(struct clock_event_device *bc)  in tick_broadcast_start_periodic()  argument
78 	if (bc)  in tick_broadcast_start_periodic()
79 		tick_setup_periodic(bc, 1);  in tick_broadcast_start_periodic()
248 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_device_uses_broadcast()  local
265 			tick_broadcast_start_periodic(bc);  in tick_device_uses_broadcast()
267 			tick_broadcast_setup_oneshot(bc);  in tick_device_uses_broadcast()
306 			if (cpumask_empty(tick_broadcast_mask) && bc)  in tick_device_uses_broadcast()
307 				clockevents_shutdown(bc);  in tick_device_uses_broadcast()
316 			if (bc && !(bc->features & CLOCK_EVT_FEAT_HRTIMER))  in tick_device_uses_broadcast()
355 		struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_do_broadcast()  local
370 		local = !(bc->features & CLOCK_EVT_FEAT_HRTIMER);  in tick_do_broadcast()
439 	struct clock_event_device *bc, *dev;  in tick_broadcast_control()  local
459 	bc = tick_broadcast_device.evtdev;  in tick_broadcast_control()
477 			if (bc && !(bc->features & CLOCK_EVT_FEAT_HRTIMER) &&  in tick_broadcast_control()
495 	if (bc) {  in tick_broadcast_control()
498 				clockevents_shutdown(bc);  in tick_broadcast_control()
501 				tick_broadcast_start_periodic(bc);  in tick_broadcast_control()
503 				tick_broadcast_setup_oneshot(bc);  in tick_broadcast_control()
525 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_shutdown_broadcast()  local
528 		if (bc && cpumask_empty(tick_broadcast_mask))  in tick_shutdown_broadcast()
529 			clockevents_shutdown(bc);  in tick_shutdown_broadcast()
550 	struct clock_event_device *bc;  in tick_suspend_broadcast()  local
555 	bc = tick_broadcast_device.evtdev;  in tick_suspend_broadcast()
556 	if (bc)  in tick_suspend_broadcast()
557 		clockevents_shutdown(bc);  in tick_suspend_broadcast()
580 	struct clock_event_device *bc;  in tick_resume_broadcast()  local
585 	bc = tick_broadcast_device.evtdev;  in tick_resume_broadcast()
587 	if (bc) {  in tick_resume_broadcast()
588 		clockevents_tick_resume(bc);  in tick_resume_broadcast()
593 				tick_broadcast_start_periodic(bc);  in tick_resume_broadcast()
597 				tick_resume_broadcast_oneshot(bc);  in tick_resume_broadcast()
633 static void tick_broadcast_set_affinity(struct clock_event_device *bc,  in tick_broadcast_set_affinity()  argument
636 	if (!(bc->features & CLOCK_EVT_FEAT_DYNIRQ))  in tick_broadcast_set_affinity()
639 	if (cpumask_equal(bc->cpumask, cpumask))  in tick_broadcast_set_affinity()
642 	bc->cpumask = cpumask;  in tick_broadcast_set_affinity()
643 	irq_set_affinity(bc->irq, bc->cpumask);  in tick_broadcast_set_affinity()
646 static void tick_broadcast_set_event(struct clock_event_device *bc, int cpu,  in tick_broadcast_set_event()  argument
649 	if (!clockevent_state_oneshot(bc))  in tick_broadcast_set_event()
650 		clockevents_switch_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_broadcast_set_event()
652 	clockevents_program_event(bc, expires, 1);  in tick_broadcast_set_event()
653 	tick_broadcast_set_affinity(bc, cpumask_of(cpu));  in tick_broadcast_set_event()
656 static void tick_resume_broadcast_oneshot(struct clock_event_device *bc)  in tick_resume_broadcast_oneshot()  argument
658 	clockevents_switch_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_resume_broadcast_oneshot()
765 static int broadcast_needs_cpu(struct clock_event_device *bc, int cpu)  in broadcast_needs_cpu()  argument
767 	if (!(bc->features & CLOCK_EVT_FEAT_HRTIMER))  in broadcast_needs_cpu()
769 	if (bc->next_event == KTIME_MAX)  in broadcast_needs_cpu()
771 	return bc->bound_on == cpu ? -EBUSY : 0;  in broadcast_needs_cpu()
774 static void broadcast_shutdown_local(struct clock_event_device *bc,  in broadcast_shutdown_local()  argument
782 	if (bc->features & CLOCK_EVT_FEAT_HRTIMER) {  in broadcast_shutdown_local()
783 		if (broadcast_needs_cpu(bc, smp_processor_id()))  in broadcast_shutdown_local()
785 		if (dev->next_event < bc->next_event)  in broadcast_shutdown_local()
795 	struct clock_event_device *bc, *dev = td->evtdev;  in ___tick_broadcast_oneshot_control()  local
800 	bc = tick_broadcast_device.evtdev;  in ___tick_broadcast_oneshot_control()
810 		ret = broadcast_needs_cpu(bc, cpu);  in ___tick_broadcast_oneshot_control()
820 			if (bc->features & CLOCK_EVT_FEAT_HRTIMER)  in ___tick_broadcast_oneshot_control()
829 			broadcast_shutdown_local(bc, dev);  in ___tick_broadcast_oneshot_control()
843 			} else if (dev->next_event < bc->next_event) {  in ___tick_broadcast_oneshot_control()
844 				tick_broadcast_set_event(bc, cpu, dev->next_event);  in ___tick_broadcast_oneshot_control()
852 				ret = broadcast_needs_cpu(bc, cpu);  in ___tick_broadcast_oneshot_control()
1019 static void tick_broadcast_setup_oneshot(struct clock_event_device *bc)  in tick_broadcast_setup_oneshot()  argument
1023 	if (!bc)  in tick_broadcast_setup_oneshot()
1027 	if (bc->event_handler != tick_handle_oneshot_broadcast) {  in tick_broadcast_setup_oneshot()
1028 		int was_periodic = clockevent_state_periodic(bc);  in tick_broadcast_setup_oneshot()
1030 		bc->event_handler = tick_handle_oneshot_broadcast;  in tick_broadcast_setup_oneshot()
1046 			clockevents_switch_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_broadcast_setup_oneshot()
1048 			tick_broadcast_set_event(bc, cpu, nextevt);  in tick_broadcast_setup_oneshot()
1050 			bc->next_event = KTIME_MAX;  in tick_broadcast_setup_oneshot()
1068 	struct clock_event_device *bc;  in tick_broadcast_switch_to_oneshot()  local
1074 	bc = tick_broadcast_device.evtdev;  in tick_broadcast_switch_to_oneshot()
1075 	if (bc)  in tick_broadcast_switch_to_oneshot()
1076 		tick_broadcast_setup_oneshot(bc);  in tick_broadcast_switch_to_oneshot()
1084 	struct clock_event_device *bc;  in hotplug_cpu__broadcast_tick_pull()  local
1088 	bc = tick_broadcast_device.evtdev;  in hotplug_cpu__broadcast_tick_pull()
1090 	if (bc && broadcast_needs_cpu(bc, deadcpu)) {  in hotplug_cpu__broadcast_tick_pull()
1092 		clockevents_program_event(bc, bc->next_event, 1);  in hotplug_cpu__broadcast_tick_pull()
1128 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_broadcast_oneshot_available()  local
1130 	return bc ? bc->features & CLOCK_EVT_FEAT_ONESHOT : false;  in tick_broadcast_oneshot_available()
1136 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in __tick_broadcast_oneshot_control()  local
1138 	if (!bc || (bc->features & CLOCK_EVT_FEAT_HRTIMER))  in __tick_broadcast_oneshot_control()