133 static int acpi_dev_pm_explicit_set(struct acpi_device *adev, int state)  in acpi_dev_pm_explicit_set()  argument
135 	if (adev->power.states[state].flags.explicit_set) {  in acpi_dev_pm_explicit_set()
139 		status = acpi_evaluate_object(adev->handle, method, NULL, NULL);  in acpi_dev_pm_explicit_set()
373 	struct acpi_device *adev;  in acpi_pm_notify_handler()  local
378 	adev = acpi_bus_get_acpi_device(handle);  in acpi_pm_notify_handler()
379 	if (!adev)  in acpi_pm_notify_handler()
384 	if (adev->wakeup.flags.notifier_present) {  in acpi_pm_notify_handler()
385 		__pm_wakeup_event(adev->wakeup.ws, 0);  in acpi_pm_notify_handler()
386 		if (adev->wakeup.context.work.func)  in acpi_pm_notify_handler()
387 			queue_pm_work(&adev->wakeup.context.work);  in acpi_pm_notify_handler()
392 	acpi_bus_put_acpi_device(adev);  in acpi_pm_notify_handler()
406 acpi_status acpi_add_pm_notifier(struct acpi_device *adev, struct device *dev,  in acpi_add_pm_notifier()  argument
416 	if (adev->wakeup.flags.notifier_present)  in acpi_add_pm_notifier()
419 	adev->wakeup.ws = wakeup_source_register(dev_name(&adev->dev));  in acpi_add_pm_notifier()
420 	adev->wakeup.context.dev = dev;  in acpi_add_pm_notifier()
422 		INIT_WORK(&adev->wakeup.context.work, work_func);  in acpi_add_pm_notifier()
424 	status = acpi_install_notify_handler(adev->handle, ACPI_SYSTEM_NOTIFY,  in acpi_add_pm_notifier()
429 	adev->wakeup.flags.notifier_present = true;  in acpi_add_pm_notifier()
440 acpi_status acpi_remove_pm_notifier(struct acpi_device *adev)  in acpi_remove_pm_notifier()  argument
446 	if (!adev->wakeup.flags.notifier_present)  in acpi_remove_pm_notifier()
449 	status = acpi_remove_notify_handler(adev->handle,  in acpi_remove_pm_notifier()
455 	if (adev->wakeup.context.work.func) {  in acpi_remove_pm_notifier()
456 		cancel_work_sync(&adev->wakeup.context.work);  in acpi_remove_pm_notifier()
457 		adev->wakeup.context.work.func = NULL;  in acpi_remove_pm_notifier()
459 	adev->wakeup.context.dev = NULL;  in acpi_remove_pm_notifier()
460 	wakeup_source_unregister(adev->wakeup.ws);  in acpi_remove_pm_notifier()
462 	adev->wakeup.flags.notifier_present = false;  in acpi_remove_pm_notifier()
500 static int acpi_dev_pm_get_state(struct device *dev, struct acpi_device *adev,  in acpi_dev_pm_get_state()  argument
504 	acpi_handle handle = adev->handle;  in acpi_dev_pm_get_state()
540 		if (!adev->power.states[ret].flags.valid) {  in acpi_dev_pm_get_state()
547 		wakeup = device_may_wakeup(dev) && adev->wakeup.flags.valid  in acpi_dev_pm_get_state()
548 			&& adev->wakeup.sleep_state >= target_state;  in acpi_dev_pm_get_state()
551 		wakeup = adev->wakeup.flags.valid;  in acpi_dev_pm_get_state()
569 			if (!adev->power.states[ret].flags.valid)  in acpi_dev_pm_get_state()
600 	struct acpi_device *adev;  in acpi_pm_device_sleep_state()  local
614 	adev = ACPI_COMPANION(dev);  in acpi_pm_device_sleep_state()
615 	if (!adev) {  in acpi_pm_device_sleep_state()
620 	ret = acpi_dev_pm_get_state(dev, adev, acpi_target_system_state(),  in acpi_pm_device_sleep_state()
630 			if (adev->power.states[d_max].flags.valid)  in acpi_pm_device_sleep_state()
670 static int acpi_device_wakeup(struct acpi_device *adev, u32 target_state,  in acpi_device_wakeup()  argument
673 	struct acpi_device_wakeup *wakeup = &adev->wakeup;  in acpi_device_wakeup()
679 		error = acpi_enable_wakeup_device_power(adev, target_state);  in acpi_device_wakeup()
683 		if (adev->wakeup.flags.enabled)  in acpi_device_wakeup()
688 			adev->wakeup.flags.enabled = 1;  in acpi_device_wakeup()
690 			acpi_disable_wakeup_device_power(adev);  in acpi_device_wakeup()
694 		if (adev->wakeup.flags.enabled) {  in acpi_device_wakeup()
696 			adev->wakeup.flags.enabled = 0;  in acpi_device_wakeup()
698 		acpi_disable_wakeup_device_power(adev);  in acpi_device_wakeup()
710 	struct acpi_device *adev;  in acpi_pm_device_run_wake()  local
715 	adev = ACPI_COMPANION(phys_dev);  in acpi_pm_device_run_wake()
716 	if (!adev) {  in acpi_pm_device_run_wake()
721 	return acpi_device_wakeup(adev, ACPI_STATE_S0, enable);  in acpi_pm_device_run_wake()
733 	struct acpi_device *adev;  in acpi_pm_device_sleep_wake()  local
739 	adev = ACPI_COMPANION(dev);  in acpi_pm_device_sleep_wake()
740 	if (!adev) {  in acpi_pm_device_sleep_wake()
745 	error = acpi_device_wakeup(adev, acpi_target_system_state(), 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()  argument
765 	if (!acpi_device_power_manageable(adev))  in acpi_dev_pm_low_power()
768 	ret = acpi_dev_pm_get_state(dev, adev, system_state, NULL, &state);  in acpi_dev_pm_low_power()
769 	return ret ? ret : acpi_device_set_power(adev, state);  in acpi_dev_pm_low_power()
776 static int acpi_dev_pm_full_power(struct acpi_device *adev)  in acpi_dev_pm_full_power()  argument
778 	return acpi_device_power_manageable(adev) ?  in acpi_dev_pm_full_power()
779 		acpi_device_set_power(adev, ACPI_STATE_D0) : 0;  in acpi_dev_pm_full_power()
793 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_dev_runtime_suspend()  local
797 	if (!adev)  in acpi_dev_runtime_suspend()
802 	error = acpi_device_wakeup(adev, ACPI_STATE_S0, remote_wakeup);  in acpi_dev_runtime_suspend()
806 	error = acpi_dev_pm_low_power(dev, adev, ACPI_STATE_S0);  in acpi_dev_runtime_suspend()
808 		acpi_device_wakeup(adev, ACPI_STATE_S0, false);  in acpi_dev_runtime_suspend()
824 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_dev_runtime_resume()  local
827 	if (!adev)  in acpi_dev_runtime_resume()
830 	error = acpi_dev_pm_full_power(adev);  in acpi_dev_runtime_resume()
831 	acpi_device_wakeup(adev, ACPI_STATE_S0, false);  in acpi_dev_runtime_resume()
876 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_dev_suspend_late()  local
881 	if (!adev)  in acpi_dev_suspend_late()
885 	wakeup = device_may_wakeup(dev) && acpi_device_can_wakeup(adev);  in acpi_dev_suspend_late()
886 	error = acpi_device_wakeup(adev, target_state, wakeup);  in acpi_dev_suspend_late()
890 	error = acpi_dev_pm_low_power(dev, adev, target_state);  in acpi_dev_suspend_late()
892 		acpi_device_wakeup(adev, ACPI_STATE_UNKNOWN, false);  in acpi_dev_suspend_late()
908 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_dev_resume_early()  local
911 	if (!adev)  in acpi_dev_resume_early()
914 	error = acpi_dev_pm_full_power(adev);  in acpi_dev_resume_early()
915 	acpi_device_wakeup(adev, ACPI_STATE_UNKNOWN, false);  in acpi_dev_resume_early()
926 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_subsys_prepare()  local
934 	if (!adev || !pm_runtime_suspended(dev)  in acpi_subsys_prepare()
935 	    || device_may_wakeup(dev) != !!adev->wakeup.prepare_count)  in acpi_subsys_prepare()
942 	if (adev->power.flags.dsw_present)  in acpi_subsys_prepare()
945 	ret = acpi_dev_pm_get_state(dev, adev, sys_target, NULL, &state);  in acpi_subsys_prepare()
946 	return !ret && state == adev->power.state;  in acpi_subsys_prepare()
1061 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_dev_pm_detach()  local
1063 	if (adev && dev->pm_domain == &acpi_general_pm_domain) {  in acpi_dev_pm_detach()
1065 		acpi_remove_pm_notifier(adev);  in acpi_dev_pm_detach()
1075 			acpi_device_wakeup(adev, ACPI_STATE_S0, false);  in acpi_dev_pm_detach()
1076 			acpi_dev_pm_low_power(dev, adev, ACPI_STATE_S0);  in acpi_dev_pm_detach()
1099 	struct acpi_device *adev = ACPI_COMPANION(dev);  in acpi_dev_pm_attach()  local
1101 	if (!adev)  in acpi_dev_pm_attach()
1107 	acpi_add_pm_notifier(adev, dev, acpi_pm_notify_work_func);  in acpi_dev_pm_attach()
1110 		acpi_dev_pm_full_power(adev);  in acpi_dev_pm_attach()
1111 		acpi_device_wakeup(adev, ACPI_STATE_S0, false);  in acpi_dev_pm_attach()