47 bool cpuidle_not_available(struct cpuidle_driver *drv,  in cpuidle_not_available()  argument
50 	return off || !initialized || !drv || !dev || !dev->enabled;  in cpuidle_not_available()
61 	struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev);  in cpuidle_play_dead()  local
64 	if (!drv)  in cpuidle_play_dead()
68 	for (i = drv->state_count - 1; i >= 0; i--)  in cpuidle_play_dead()
69 		if (drv->states[i].enter_dead)  in cpuidle_play_dead()
70 			return drv->states[i].enter_dead(dev, i);  in cpuidle_play_dead()
75 static int find_deepest_state(struct cpuidle_driver *drv,  in find_deepest_state()  argument
84 	for (i = 0; i < drv->state_count; i++) {  in find_deepest_state()
85 		struct cpuidle_state *s = &drv->states[i];  in find_deepest_state()
106 int cpuidle_find_deepest_state(struct cpuidle_driver *drv,  in cpuidle_find_deepest_state()  argument
109 	return find_deepest_state(drv, dev, UINT_MAX, 0, false);  in cpuidle_find_deepest_state()
112 static void enter_freeze_proper(struct cpuidle_driver *drv,  in enter_freeze_proper()  argument
127 	drv->states[index].enter_freeze(dev, drv, index);  in enter_freeze_proper()
146 int cpuidle_enter_freeze(struct cpuidle_driver *drv, struct cpuidle_device *dev)  in cpuidle_enter_freeze()  argument
155 	index = find_deepest_state(drv, dev, UINT_MAX, 0, true);  in cpuidle_enter_freeze()
157 		enter_freeze_proper(drv, dev, index);  in cpuidle_enter_freeze()
169 int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv,  in cpuidle_enter_state()  argument
174 	struct cpuidle_state *target_state = &drv->states[index];  in cpuidle_enter_state()
185 		index = find_deepest_state(drv, dev, target_state->exit_latency,  in cpuidle_enter_state()
191 		target_state = &drv->states[index];  in cpuidle_enter_state()
201 	entered_state = target_state->enter(dev, drv, index);  in cpuidle_enter_state()
217 	if (!cpuidle_state_is_coupled(drv, index))  in cpuidle_enter_state()
248 int cpuidle_select(struct cpuidle_driver *drv, struct cpuidle_device *dev)  in cpuidle_select()  argument
250 	return cpuidle_curr_governor->select(drv, dev);  in cpuidle_select()
263 int cpuidle_enter(struct cpuidle_driver *drv, struct cpuidle_device *dev,  in cpuidle_enter()  argument
266 	if (cpuidle_state_is_coupled(drv, index))  in cpuidle_enter()
267 		return cpuidle_enter_state_coupled(dev, drv, index);  in cpuidle_enter()
268 	return cpuidle_enter_state(dev, drv, index);  in cpuidle_enter()
362 	struct cpuidle_driver *drv;  in cpuidle_enable_device()  local
370 	drv = cpuidle_get_cpu_driver(dev);  in cpuidle_enable_device()
372 	if (!drv || !cpuidle_curr_governor)  in cpuidle_enable_device()
383 	    (ret = cpuidle_curr_governor->enable(drv, dev)))  in cpuidle_enable_device()
410 	struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev);  in cpuidle_disable_device()  local
415 	if (!drv || !cpuidle_curr_governor)  in cpuidle_disable_device()
421 		cpuidle_curr_governor->disable(drv, dev);  in cpuidle_disable_device()
431 	struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev);  in __cpuidle_unregister_device()  local
435 	module_put(drv->owner);  in __cpuidle_unregister_device()
456 	struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev);  in __cpuidle_register_device()  local
458 	if (!try_module_get(drv->owner))  in __cpuidle_register_device()
550 void cpuidle_unregister(struct cpuidle_driver *drv)  in cpuidle_unregister()  argument
555 	for_each_cpu(cpu, drv->cpumask) {  in cpuidle_unregister()
560 	cpuidle_unregister_driver(drv);  in cpuidle_unregister()
575 int cpuidle_register(struct cpuidle_driver *drv,  in cpuidle_register()  argument
581 	ret = cpuidle_register_driver(drv);  in cpuidle_register()
587 	for_each_cpu(cpu, drv->cpumask) {  in cpuidle_register()
606 		cpuidle_unregister(drv);  in cpuidle_register()