67 int acpi_device_get_power(struct acpi_device *device, int *state)  in acpi_device_get_power()  argument
71 	if (!device || !state)  in acpi_device_get_power()
74 	if (!device->flags.power_manageable) {  in acpi_device_get_power()
76 		*state = device->parent ?  in acpi_device_get_power()
77 			device->parent->power.state : ACPI_STATE_D0;  in acpi_device_get_power()
85 	if (device->power.flags.power_resources) {  in acpi_device_get_power()
86 		int error = acpi_power_get_inferred_state(device, &result);  in acpi_device_get_power()
90 	if (device->power.flags.explicit_get) {  in acpi_device_get_power()
91 		acpi_handle handle = device->handle;  in acpi_device_get_power()
119 	if (!device->power.flags.ignore_parent && device->parent  in acpi_device_get_power()
120 	    && device->parent->power.state == ACPI_STATE_UNKNOWN  in acpi_device_get_power()
122 		device->parent->power.state = ACPI_STATE_D0;  in acpi_device_get_power()
128 			  device->pnp.bus_id, acpi_power_state_string(*state)));  in acpi_device_get_power()
154 int acpi_device_set_power(struct acpi_device *device, int state)  in acpi_device_set_power()  argument
159 	if (!device || !device->flags.power_manageable  in acpi_device_set_power()
165 	if (state == device->power.state) {  in acpi_device_set_power()
167 				  device->pnp.bus_id,  in acpi_device_set_power()
172 	if (!device->power.states[state].flags.valid) {  in acpi_device_set_power()
173 		dev_warn(&device->dev, "Power state %s not supported\n",  in acpi_device_set_power()
177 	if (!device->power.flags.ignore_parent &&  in acpi_device_set_power()
178 	    device->parent && (state < device->parent->power.state)) {  in acpi_device_set_power()
179 		dev_warn(&device->dev,  in acpi_device_set_power()
182 			 acpi_power_state_string(device->parent->power.state));  in acpi_device_set_power()
188 	    && device->power.states[ACPI_STATE_D3_COLD].flags.os_accessible) {  in acpi_device_set_power()
193 	if (state < device->power.state && state != ACPI_STATE_D0  in acpi_device_set_power()
194 	    && device->power.state >= ACPI_STATE_D3_HOT) {  in acpi_device_set_power()
195 		dev_warn(&device->dev,  in acpi_device_set_power()
206 	if (device->power.flags.power_resources) {  in acpi_device_set_power()
207 		result = acpi_power_transition(device, state);  in acpi_device_set_power()
211 	result = acpi_dev_pm_explicit_set(device, state);  in acpi_device_set_power()
216 		device->power.state = state;  in acpi_device_set_power()
218 		result = acpi_power_transition(device, state);  in acpi_device_set_power()
223 		dev_warn(&device->dev, "Failed to change power state to %s\n",  in acpi_device_set_power()
226 		device->power.state = state;  in acpi_device_set_power()
229 				  device->pnp.bus_id,  in acpi_device_set_power()
239 	struct acpi_device *device;  in acpi_bus_set_power()  local
242 	result = acpi_bus_get_device(handle, &device);  in acpi_bus_set_power()
246 	return acpi_device_set_power(device, state);  in acpi_bus_set_power()
250 int acpi_bus_init_power(struct acpi_device *device)  in acpi_bus_init_power()  argument
255 	if (!device)  in acpi_bus_init_power()
258 	device->power.state = ACPI_STATE_UNKNOWN;  in acpi_bus_init_power()
259 	if (!acpi_device_is_present(device))  in acpi_bus_init_power()
262 	result = acpi_device_get_power(device, &state);  in acpi_bus_init_power()
266 	if (state < ACPI_STATE_D3_COLD && device->power.flags.power_resources) {  in acpi_bus_init_power()
267 		result = acpi_power_on_resources(device, state);  in acpi_bus_init_power()
271 		result = acpi_dev_pm_explicit_set(device, state);  in acpi_bus_init_power()
283 	device->power.state = state;  in acpi_bus_init_power()
295 int acpi_device_fix_up_power(struct acpi_device *device)  in acpi_device_fix_up_power()  argument
299 	if (!device->power.flags.power_resources  in acpi_device_fix_up_power()
300 	    && !device->power.flags.explicit_get  in acpi_device_fix_up_power()
301 	    && device->power.state == ACPI_STATE_D0)  in acpi_device_fix_up_power()
302 		ret = acpi_dev_pm_explicit_set(device, ACPI_STATE_D0);  in acpi_device_fix_up_power()
307 int acpi_device_update_power(struct acpi_device *device, int *state_p)  in acpi_device_update_power()  argument
312 	if (device->power.state == ACPI_STATE_UNKNOWN) {  in acpi_device_update_power()
313 		result = acpi_bus_init_power(device);  in acpi_device_update_power()
315 			*state_p = device->power.state;  in acpi_device_update_power()
320 	result = acpi_device_get_power(device, &state);  in acpi_device_update_power()
326 		result = acpi_device_set_power(device, state);  in acpi_device_update_power()
330 		if (device->power.flags.power_resources) {  in acpi_device_update_power()
335 			result = acpi_power_transition(device, state);  in acpi_device_update_power()
339 		device->power.state = state;  in acpi_device_update_power()
350 	struct acpi_device *device;  in acpi_bus_update_power()  local
353 	result = acpi_bus_get_device(handle, &device);  in acpi_bus_update_power()
354 	return result ? result : acpi_device_update_power(device, state_p);  in acpi_bus_update_power()
360 	struct acpi_device *device;  in acpi_bus_power_manageable()  local
363 	result = acpi_bus_get_device(handle, &device);  in acpi_bus_power_manageable()
364 	return result ? false : device->flags.power_manageable;  in acpi_bus_power_manageable()
406 acpi_status acpi_add_pm_notifier(struct acpi_device *adev, struct device *dev,  in acpi_add_pm_notifier()
471 	struct acpi_device *device;  in acpi_bus_can_wakeup()  local
474 	result = acpi_bus_get_device(handle, &device);  in acpi_bus_can_wakeup()
475 	return result ? false : device->wakeup.flags.valid;  in acpi_bus_can_wakeup()
500 static int acpi_dev_pm_get_state(struct device *dev, struct acpi_device *adev,  in acpi_dev_pm_get_state()
598 int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in)  in acpi_pm_device_sleep_state()
648 	struct device *dev;  in acpi_pm_notify_work_func()
708 int acpi_pm_device_run_wake(struct device *phys_dev, bool enable)  in acpi_pm_device_run_wake()
731 int acpi_pm_device_sleep_wake(struct device *dev, bool enable)  in acpi_pm_device_sleep_wake()
760 static int acpi_dev_pm_low_power(struct device *dev, struct acpi_device *adev,  in acpi_dev_pm_low_power()
791 int acpi_dev_runtime_suspend(struct device *dev)  in acpi_dev_runtime_suspend()
822 int acpi_dev_runtime_resume(struct device *dev)  in acpi_dev_runtime_resume()
843 int acpi_subsys_runtime_suspend(struct device *dev)  in acpi_subsys_runtime_suspend()
857 int acpi_subsys_runtime_resume(struct device *dev)  in acpi_subsys_runtime_resume()
874 int acpi_dev_suspend_late(struct device *dev)  in acpi_dev_suspend_late()
906 int acpi_dev_resume_early(struct device *dev)  in acpi_dev_resume_early()
924 int acpi_subsys_prepare(struct device *dev)  in acpi_subsys_prepare()
954 void acpi_subsys_complete(struct device *dev)  in acpi_subsys_complete()
974 int acpi_subsys_suspend(struct device *dev)  in acpi_subsys_suspend()
988 int acpi_subsys_suspend_late(struct device *dev)  in acpi_subsys_suspend_late()
1003 int acpi_subsys_resume_early(struct device *dev)  in acpi_subsys_resume_early()
1014 int acpi_subsys_freeze(struct device *dev)  in acpi_subsys_freeze()
1059 static void acpi_dev_pm_detach(struct device *dev, bool power_off)  in acpi_dev_pm_detach()
1097 int acpi_dev_pm_attach(struct device *dev, bool power_on)  in acpi_dev_pm_attach()