63 int acpi_device_get_power(struct acpi_device *device, int *state)  in acpi_device_get_power()  argument
67 	if (!device || !state)  in acpi_device_get_power()
70 	if (!device->flags.power_manageable) {  in acpi_device_get_power()
72 		*state = device->parent ?  in acpi_device_get_power()
73 			device->parent->power.state : ACPI_STATE_D0;  in acpi_device_get_power()
81 	if (device->power.flags.power_resources) {  in acpi_device_get_power()
82 		int error = acpi_power_get_inferred_state(device, &result);  in acpi_device_get_power()
86 	if (device->power.flags.explicit_get) {  in acpi_device_get_power()
87 		acpi_handle handle = device->handle;  in acpi_device_get_power()
114 	if (!device->power.flags.ignore_parent && device->parent  in acpi_device_get_power()
115 	    && device->parent->power.state == ACPI_STATE_UNKNOWN  in acpi_device_get_power()
117 		device->parent->power.state = ACPI_STATE_D0;  in acpi_device_get_power()
123 			  device->pnp.bus_id, acpi_power_state_string(*state)));  in acpi_device_get_power()
149 int acpi_device_set_power(struct acpi_device *device, int state)  in acpi_device_set_power()  argument
154 	if (!device || !device->flags.power_manageable  in acpi_device_set_power()
160 	if (state == device->power.state) {  in acpi_device_set_power()
162 				  device->pnp.bus_id,  in acpi_device_set_power()
174 		if (!device->power.states[ACPI_STATE_D3_COLD].flags.valid)  in acpi_device_set_power()
176 	} else if (!device->power.states[state].flags.valid) {  in acpi_device_set_power()
177 		dev_warn(&device->dev, "Power state %s not supported\n",  in acpi_device_set_power()
182 	if (!device->power.flags.ignore_parent &&  in acpi_device_set_power()
183 	    device->parent && (state < device->parent->power.state)) {  in acpi_device_set_power()
184 		dev_warn(&device->dev,  in acpi_device_set_power()
187 			 acpi_power_state_string(device->parent->power.state));  in acpi_device_set_power()
203 		if (state < device->power.state) {  in acpi_device_set_power()
204 			dev_warn(&device->dev, "Cannot transition from %s to %s\n",  in acpi_device_set_power()
205 				 acpi_power_state_string(device->power.state),  in acpi_device_set_power()
210 		result = acpi_dev_pm_explicit_set(device, state);  in acpi_device_set_power()
214 		if (device->power.flags.power_resources)  in acpi_device_set_power()
215 			result = acpi_power_transition(device, target_state);  in acpi_device_set_power()
217 		if (device->power.flags.power_resources) {  in acpi_device_set_power()
218 			result = acpi_power_transition(device, ACPI_STATE_D0);  in acpi_device_set_power()
222 		result = acpi_dev_pm_explicit_set(device, ACPI_STATE_D0);  in acpi_device_set_power()
227 		dev_warn(&device->dev, "Failed to change power state to %s\n",  in acpi_device_set_power()
230 		device->power.state = target_state;  in acpi_device_set_power()
233 				  device->pnp.bus_id,  in acpi_device_set_power()
243 	struct acpi_device *device;  in acpi_bus_set_power()  local
246 	result = acpi_bus_get_device(handle, &device);  in acpi_bus_set_power()
250 	return acpi_device_set_power(device, state);  in acpi_bus_set_power()
254 int acpi_bus_init_power(struct acpi_device *device)  in acpi_bus_init_power()  argument
259 	if (!device)  in acpi_bus_init_power()
262 	device->power.state = ACPI_STATE_UNKNOWN;  in acpi_bus_init_power()
263 	if (!acpi_device_is_present(device))  in acpi_bus_init_power()
266 	result = acpi_device_get_power(device, &state);  in acpi_bus_init_power()
270 	if (state < ACPI_STATE_D3_COLD && device->power.flags.power_resources) {  in acpi_bus_init_power()
272 		result = acpi_power_on_resources(device, state);  in acpi_bus_init_power()
285 			result = acpi_dev_pm_explicit_set(device, state);  in acpi_bus_init_power()
298 	device->power.state = state;  in acpi_bus_init_power()
310 int acpi_device_fix_up_power(struct acpi_device *device)  in acpi_device_fix_up_power()  argument
314 	if (!device->power.flags.power_resources  in acpi_device_fix_up_power()
315 	    && !device->power.flags.explicit_get  in acpi_device_fix_up_power()
316 	    && device->power.state == ACPI_STATE_D0)  in acpi_device_fix_up_power()
317 		ret = acpi_dev_pm_explicit_set(device, ACPI_STATE_D0);  in acpi_device_fix_up_power()
322 int acpi_device_update_power(struct acpi_device *device, int *state_p)  in acpi_device_update_power()  argument
327 	if (device->power.state == ACPI_STATE_UNKNOWN) {  in acpi_device_update_power()
328 		result = acpi_bus_init_power(device);  in acpi_device_update_power()
330 			*state_p = device->power.state;  in acpi_device_update_power()
335 	result = acpi_device_get_power(device, &state);  in acpi_device_update_power()
341 		result = acpi_device_set_power(device, state);  in acpi_device_update_power()
345 		if (device->power.flags.power_resources) {  in acpi_device_update_power()
350 			result = acpi_power_transition(device, state);  in acpi_device_update_power()
354 		device->power.state = state;  in acpi_device_update_power()
365 	struct acpi_device *device;  in acpi_bus_update_power()  local
368 	result = acpi_bus_get_device(handle, &device);  in acpi_bus_update_power()
369 	return result ? result : acpi_device_update_power(device, state_p);  in acpi_bus_update_power()
375 	struct acpi_device *device;  in acpi_bus_power_manageable()  local
378 	result = acpi_bus_get_device(handle, &device);  in acpi_bus_power_manageable()
379 	return result ? false : device->flags.power_manageable;  in acpi_bus_power_manageable()
421 acpi_status acpi_add_pm_notifier(struct acpi_device *adev, struct device *dev,  in acpi_add_pm_notifier()
486 	struct acpi_device *device;  in acpi_bus_can_wakeup()  local
489 	result = acpi_bus_get_device(handle, &device);  in acpi_bus_can_wakeup()
490 	return result ? false : device->wakeup.flags.valid;  in acpi_bus_can_wakeup()
515 static int acpi_dev_pm_get_state(struct device *dev, struct acpi_device *adev,  in acpi_dev_pm_get_state()
613 int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in)  in acpi_pm_device_sleep_state()
663 	struct device *dev;  in acpi_pm_notify_work_func()
723 int acpi_pm_device_run_wake(struct device *phys_dev, bool enable)  in acpi_pm_device_run_wake()
746 int acpi_pm_device_sleep_wake(struct device *dev, bool enable)  in acpi_pm_device_sleep_wake()
775 static int acpi_dev_pm_low_power(struct device *dev, struct acpi_device *adev,  in acpi_dev_pm_low_power()
806 int acpi_dev_runtime_suspend(struct device *dev)  in acpi_dev_runtime_suspend()
837 int acpi_dev_runtime_resume(struct device *dev)  in acpi_dev_runtime_resume()
858 int acpi_subsys_runtime_suspend(struct device *dev)  in acpi_subsys_runtime_suspend()
872 int acpi_subsys_runtime_resume(struct device *dev)  in acpi_subsys_runtime_resume()
889 int acpi_dev_suspend_late(struct device *dev)  in acpi_dev_suspend_late()
921 int acpi_dev_resume_early(struct device *dev)  in acpi_dev_resume_early()
939 int acpi_subsys_prepare(struct device *dev)  in acpi_subsys_prepare()
972 int acpi_subsys_suspend(struct device *dev)  in acpi_subsys_suspend()
986 int acpi_subsys_suspend_late(struct device *dev)  in acpi_subsys_suspend_late()
1001 int acpi_subsys_resume_early(struct device *dev)  in acpi_subsys_resume_early()
1012 int acpi_subsys_freeze(struct device *dev)  in acpi_subsys_freeze()
1057 static void acpi_dev_pm_detach(struct device *dev, bool power_off)  in acpi_dev_pm_detach()
1095 int acpi_dev_pm_attach(struct device *dev, bool power_on)  in acpi_dev_pm_attach()