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()
342 	struct clock_event_device *bc, *dev;  in tick_broadcast_control()  local
360 	bc = tick_broadcast_device.evtdev;  in tick_broadcast_control()
391 			clockevents_shutdown(bc);  in tick_broadcast_control()
394 			tick_broadcast_start_periodic(bc);  in tick_broadcast_control()
396 			tick_broadcast_setup_oneshot(bc);  in tick_broadcast_control()
419 	struct clock_event_device *bc;  in tick_shutdown_broadcast()  local
424 	bc = tick_broadcast_device.evtdev;  in tick_shutdown_broadcast()
429 		if (bc && cpumask_empty(tick_broadcast_mask))  in tick_shutdown_broadcast()
430 			clockevents_shutdown(bc);  in tick_shutdown_broadcast()
439 	struct clock_event_device *bc;  in tick_suspend_broadcast()  local
444 	bc = tick_broadcast_device.evtdev;  in tick_suspend_broadcast()
445 	if (bc)  in tick_suspend_broadcast()
446 		clockevents_shutdown(bc);  in tick_suspend_broadcast()
469 	struct clock_event_device *bc;  in tick_resume_broadcast()  local
474 	bc = tick_broadcast_device.evtdev;  in tick_resume_broadcast()
476 	if (bc) {  in tick_resume_broadcast()
477 		clockevents_tick_resume(bc);  in tick_resume_broadcast()
482 				tick_broadcast_start_periodic(bc);  in tick_resume_broadcast()
486 				tick_resume_broadcast_oneshot(bc);  in tick_resume_broadcast()
522 static void tick_broadcast_set_affinity(struct clock_event_device *bc,  in tick_broadcast_set_affinity()  argument
525 	if (!(bc->features & CLOCK_EVT_FEAT_DYNIRQ))  in tick_broadcast_set_affinity()
528 	if (cpumask_equal(bc->cpumask, cpumask))  in tick_broadcast_set_affinity()
531 	bc->cpumask = cpumask;  in tick_broadcast_set_affinity()
532 	irq_set_affinity(bc->irq, bc->cpumask);  in tick_broadcast_set_affinity()
535 static int tick_broadcast_set_event(struct clock_event_device *bc, int cpu,  in tick_broadcast_set_event()  argument
540 	if (bc->state != CLOCK_EVT_STATE_ONESHOT)  in tick_broadcast_set_event()
541 		clockevents_set_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_broadcast_set_event()
543 	ret = clockevents_program_event(bc, expires, force);  in tick_broadcast_set_event()
545 		tick_broadcast_set_affinity(bc, cpumask_of(cpu));  in tick_broadcast_set_event()
549 static void tick_resume_broadcast_oneshot(struct clock_event_device *bc)  in tick_resume_broadcast_oneshot()  argument
551 	clockevents_set_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_resume_broadcast_oneshot()
650 static int broadcast_needs_cpu(struct clock_event_device *bc, int cpu)  in broadcast_needs_cpu()  argument
652 	if (!(bc->features & CLOCK_EVT_FEAT_HRTIMER))  in broadcast_needs_cpu()
654 	if (bc->next_event.tv64 == KTIME_MAX)  in broadcast_needs_cpu()
656 	return bc->bound_on == cpu ? -EBUSY : 0;  in broadcast_needs_cpu()
659 static void broadcast_shutdown_local(struct clock_event_device *bc,  in broadcast_shutdown_local()  argument
667 	if (bc->features & CLOCK_EVT_FEAT_HRTIMER) {  in broadcast_shutdown_local()
668 		if (broadcast_needs_cpu(bc, smp_processor_id()))  in broadcast_shutdown_local()
670 		if (dev->next_event.tv64 < bc->next_event.tv64)  in broadcast_shutdown_local()
689 	struct clock_event_device *bc, *dev;  in tick_broadcast_oneshot_control()  local
712 	bc = tick_broadcast_device.evtdev;  in tick_broadcast_oneshot_control()
718 			broadcast_shutdown_local(bc, dev);  in tick_broadcast_oneshot_control()
728 			    dev->next_event.tv64 < bc->next_event.tv64)  in tick_broadcast_oneshot_control()
729 				tick_broadcast_set_event(bc, cpu, dev->next_event, 1);  in tick_broadcast_oneshot_control()
738 		ret = broadcast_needs_cpu(bc, cpu);  in tick_broadcast_oneshot_control()
839 void tick_broadcast_setup_oneshot(struct clock_event_device *bc)  in tick_broadcast_setup_oneshot()  argument
844 	if (bc->event_handler != tick_handle_oneshot_broadcast) {  in tick_broadcast_setup_oneshot()
845 		int was_periodic = bc->state == CLOCK_EVT_STATE_PERIODIC;  in tick_broadcast_setup_oneshot()
847 		bc->event_handler = tick_handle_oneshot_broadcast;  in tick_broadcast_setup_oneshot()
861 			clockevents_set_state(bc, CLOCK_EVT_STATE_ONESHOT);  in tick_broadcast_setup_oneshot()
864 			tick_broadcast_set_event(bc, cpu, tick_next_period, 1);  in tick_broadcast_setup_oneshot()
866 			bc->next_event.tv64 = KTIME_MAX;  in tick_broadcast_setup_oneshot()
884 	struct clock_event_device *bc;  in tick_broadcast_switch_to_oneshot()  local
890 	bc = tick_broadcast_device.evtdev;  in tick_broadcast_switch_to_oneshot()
891 	if (bc)  in tick_broadcast_switch_to_oneshot()
892 		tick_broadcast_setup_oneshot(bc);  in tick_broadcast_switch_to_oneshot()
900 	struct clock_event_device *bc;  in hotplug_cpu__broadcast_tick_pull()  local
904 	bc = tick_broadcast_device.evtdev;  in hotplug_cpu__broadcast_tick_pull()
906 	if (bc && broadcast_needs_cpu(bc, deadcpu)) {  in hotplug_cpu__broadcast_tick_pull()
908 		clockevents_program_event(bc, bc->next_event, 1);  in hotplug_cpu__broadcast_tick_pull()
947 	struct clock_event_device *bc = tick_broadcast_device.evtdev;  in tick_broadcast_oneshot_available()  local
949 	return bc ? bc->features & CLOCK_EVT_FEAT_ONESHOT : false;  in tick_broadcast_oneshot_available()