48 bool cpuidle_not_available(struct cpuidle_driver *drv,  in cpuidle_not_available()  argument
51 	return off || !initialized || !drv || !dev || !dev->enabled;  in cpuidle_not_available()
62 	struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev);  in cpuidle_play_dead()  local
65 	if (!drv)  in cpuidle_play_dead()
69 	for (i = drv->state_count - 1; i >= 0; i--)  in cpuidle_play_dead()
70 		if (drv->states[i].enter_dead)  in cpuidle_play_dead()
71 			return drv->states[i].enter_dead(dev, i);  in cpuidle_play_dead()
76 static int find_deepest_state(struct cpuidle_driver *drv,  in find_deepest_state()  argument
85 	for (i = 1; i < drv->state_count; i++) {  in find_deepest_state()
86 		struct cpuidle_state *s = &drv->states[i];  in find_deepest_state()
124 int cpuidle_find_deepest_state(struct cpuidle_driver *drv,  in cpuidle_find_deepest_state()  argument
127 	return find_deepest_state(drv, dev, UINT_MAX, 0, false);  in cpuidle_find_deepest_state()
131 static void enter_s2idle_proper(struct cpuidle_driver *drv,  in enter_s2idle_proper()  argument
150 	drv->states[index].enter_s2idle(dev, drv, index);  in enter_s2idle_proper()
174 int cpuidle_enter_s2idle(struct cpuidle_driver *drv, struct cpuidle_device *dev)  in cpuidle_enter_s2idle()  argument
183 	index = find_deepest_state(drv, dev, UINT_MAX, 0, true);  in cpuidle_enter_s2idle()
185 		enter_s2idle_proper(drv, dev, index);  in cpuidle_enter_s2idle()
197 int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv,  in cpuidle_enter_state()  argument
202 	struct cpuidle_state *target_state = &drv->states[index];  in cpuidle_enter_state()
213 		index = find_deepest_state(drv, dev, target_state->exit_latency,  in cpuidle_enter_state()
219 		target_state = &drv->states[index];  in cpuidle_enter_state()
230 	entered_state = target_state->enter(dev, drv, index);  in cpuidle_enter_state()
247 	if (!cpuidle_state_is_coupled(drv, index))  in cpuidle_enter_state()
283 int cpuidle_select(struct cpuidle_driver *drv, struct cpuidle_device *dev,  in cpuidle_select()  argument
286 	return cpuidle_curr_governor->select(drv, dev, stop_tick);  in cpuidle_select()
299 int cpuidle_enter(struct cpuidle_driver *drv, struct cpuidle_device *dev,  in cpuidle_enter()  argument
302 	if (cpuidle_state_is_coupled(drv, index))  in cpuidle_enter()
303 		return cpuidle_enter_state_coupled(dev, drv, index);  in cpuidle_enter()
304 	return cpuidle_enter_state(dev, drv, index);  in cpuidle_enter()
398 	struct cpuidle_driver *drv;  in cpuidle_enable_device()  local
409 	drv = cpuidle_get_cpu_driver(dev);  in cpuidle_enable_device()
411 	if (!drv)  in cpuidle_enable_device()
422 		ret = cpuidle_curr_governor->enable(drv, dev);  in cpuidle_enable_device()
451 	struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev);  in cpuidle_disable_device()  local
456 	if (!drv || !cpuidle_curr_governor)  in cpuidle_disable_device()
462 		cpuidle_curr_governor->disable(drv, dev);  in cpuidle_disable_device()
472 	struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev);  in __cpuidle_unregister_device()  local
476 	module_put(drv->owner);  in __cpuidle_unregister_device()
497 	struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev);  in __cpuidle_register_device()  local
499 	if (!try_module_get(drv->owner))  in __cpuidle_register_device()
591 void cpuidle_unregister(struct cpuidle_driver *drv)  in cpuidle_unregister()  argument
596 	for_each_cpu(cpu, drv->cpumask) {  in cpuidle_unregister()
601 	cpuidle_unregister_driver(drv);  in cpuidle_unregister()
616 int cpuidle_register(struct cpuidle_driver *drv,  in cpuidle_register()  argument
622 	ret = cpuidle_register_driver(drv);  in cpuidle_register()
628 	for_each_cpu(cpu, drv->cpumask) {  in cpuidle_register()
647 		cpuidle_unregister(drv);  in cpuidle_register()