71 	struct acpi_power_resource *resource;  member
100 	struct acpi_power_resource *resource = acpi_power_get_context(handle);  in acpi_power_resources_list_add()  local
103 	if (!resource || !list)  in acpi_power_resources_list_add()
110 	entry->resource = resource;  in acpi_power_resources_list_add()
115 			if (e->resource->order > resource->order) {  in acpi_power_resources_list_add()
204 		struct acpi_power_resource *resource = entry->resource;  in acpi_power_get_list_state()  local
205 		acpi_handle handle = resource->device.handle;  in acpi_power_get_list_state()
208 		mutex_lock(&resource->resource_lock);  in acpi_power_get_list_state()
210 		mutex_unlock(&resource->resource_lock);  in acpi_power_get_list_state()
225 static int __acpi_power_on(struct acpi_power_resource *resource)  in __acpi_power_on()  argument
229 	status = acpi_evaluate_object(resource->device.handle, "_ON", NULL, NULL);  in __acpi_power_on()
234 			  resource->name));  in __acpi_power_on()
239 static int acpi_power_on_unlocked(struct acpi_power_resource *resource)  in acpi_power_on_unlocked()  argument
243 	if (resource->ref_count++) {  in acpi_power_on_unlocked()
246 				  resource->name));  in acpi_power_on_unlocked()
248 		result = __acpi_power_on(resource);  in acpi_power_on_unlocked()
250 			resource->ref_count--;  in acpi_power_on_unlocked()
255 static int acpi_power_on(struct acpi_power_resource *resource)  in acpi_power_on()  argument
259 	mutex_lock(&resource->resource_lock);  in acpi_power_on()
260 	result = acpi_power_on_unlocked(resource);  in acpi_power_on()
261 	mutex_unlock(&resource->resource_lock);  in acpi_power_on()
265 static int __acpi_power_off(struct acpi_power_resource *resource)  in __acpi_power_off()  argument
269 	status = acpi_evaluate_object(resource->device.handle, "_OFF",  in __acpi_power_off()
275 			  resource->name));  in __acpi_power_off()
279 static int acpi_power_off_unlocked(struct acpi_power_resource *resource)  in acpi_power_off_unlocked()  argument
283 	if (!resource->ref_count) {  in acpi_power_off_unlocked()
286 				  resource->name));  in acpi_power_off_unlocked()
290 	if (--resource->ref_count) {  in acpi_power_off_unlocked()
293 				  resource->name));  in acpi_power_off_unlocked()
295 		result = __acpi_power_off(resource);  in acpi_power_off_unlocked()
297 			resource->ref_count++;  in acpi_power_off_unlocked()
302 static int acpi_power_off(struct acpi_power_resource *resource)  in acpi_power_off()  argument
306 	mutex_lock(&resource->resource_lock);  in acpi_power_off()
307 	result = acpi_power_off_unlocked(resource);  in acpi_power_off()
308 	mutex_unlock(&resource->resource_lock);  in acpi_power_off()
318 		result = acpi_power_off(entry->resource);  in acpi_power_off_list()
326 		acpi_power_on(entry->resource);  in acpi_power_off_list()
337 		result = acpi_power_on(entry->resource);  in acpi_power_on_list()
345 		acpi_power_off(entry->resource);  in acpi_power_on_list()
388 		struct acpi_device *res_dev = &entry->resource->device;  in acpi_power_hide_list()
412 		struct acpi_device *res_dev = &entry->resource->device;  in acpi_power_expose_list()
459 		struct acpi_power_resource *resource = entry->resource;  in acpi_power_wakeup_list_init()  local
460 		acpi_handle handle = resource->device.handle;  in acpi_power_wakeup_list_init()
464 		mutex_lock(&resource->resource_lock);  in acpi_power_wakeup_list_init()
468 			mutex_unlock(&resource->resource_lock);  in acpi_power_wakeup_list_init()
472 			resource->ref_count++;  in acpi_power_wakeup_list_init()
473 			resource->wakeup_enabled = true;  in acpi_power_wakeup_list_init()
475 		if (system_level > resource->system_level)  in acpi_power_wakeup_list_init()
476 			system_level = resource->system_level;  in acpi_power_wakeup_list_init()
478 		mutex_unlock(&resource->resource_lock);  in acpi_power_wakeup_list_init()
569 		struct acpi_power_resource *resource = entry->resource;  in acpi_enable_wakeup_device_power()  local
571 		mutex_lock(&resource->resource_lock);  in acpi_enable_wakeup_device_power()
573 		if (!resource->wakeup_enabled) {  in acpi_enable_wakeup_device_power()
574 			err = acpi_power_on_unlocked(resource);  in acpi_enable_wakeup_device_power()
576 				resource->wakeup_enabled = true;  in acpi_enable_wakeup_device_power()
579 		mutex_unlock(&resource->resource_lock);  in acpi_enable_wakeup_device_power()
632 		struct acpi_power_resource *resource = entry->resource;  in acpi_disable_wakeup_device_power()  local
634 		mutex_lock(&resource->resource_lock);  in acpi_disable_wakeup_device_power()
636 		if (resource->wakeup_enabled) {  in acpi_disable_wakeup_device_power()
637 			err = acpi_power_off_unlocked(resource);  in acpi_disable_wakeup_device_power()
639 				resource->wakeup_enabled = false;  in acpi_disable_wakeup_device_power()
642 		mutex_unlock(&resource->resource_lock);  in acpi_disable_wakeup_device_power()
735 	struct acpi_power_resource *resource;  in acpi_release_power_resource()  local
737 	resource = container_of(device, struct acpi_power_resource, device);  in acpi_release_power_resource()
740 	list_del(&resource->list_node);  in acpi_release_power_resource()
744 	kfree(resource);  in acpi_release_power_resource()
750 	struct acpi_power_resource *resource;  in acpi_power_in_use_show()  local
752 	resource = to_power_resource(to_acpi_device(dev));  in acpi_power_in_use_show()
753 	return sprintf(buf, "%u\n", !!resource->ref_count);  in acpi_power_in_use_show()
762 static void acpi_power_add_resource_to_list(struct acpi_power_resource *resource)  in acpi_power_add_resource_to_list()  argument
770 			if (r->order > resource->order) {  in acpi_power_add_resource_to_list()
771 				list_add_tail(&resource->list_node, &r->list_node);  in acpi_power_add_resource_to_list()
775 	list_add_tail(&resource->list_node, &acpi_power_resource_list);  in acpi_power_add_resource_to_list()
783 	struct acpi_power_resource *resource;  in acpi_add_power_resource()  local
794 	resource = kzalloc(sizeof(*resource), GFP_KERNEL);  in acpi_add_power_resource()
795 	if (!resource)  in acpi_add_power_resource()
798 	device = &resource->device;  in acpi_add_power_resource()
801 	mutex_init(&resource->resource_lock);  in acpi_add_power_resource()
802 	INIT_LIST_HEAD(&resource->list_node);  in acpi_add_power_resource()
803 	resource->name = device->pnp.bus_id;  in acpi_add_power_resource()
813 	resource->system_level = acpi_object.power_resource.system_level;  in acpi_add_power_resource()
814 	resource->order = acpi_object.power_resource.resource_order;  in acpi_add_power_resource()
831 	acpi_power_add_resource_to_list(resource);  in acpi_add_power_resource()
843 	struct acpi_power_resource *resource;  in acpi_resume_power_resources()  local
847 	list_for_each_entry(resource, &acpi_power_resource_list, list_node) {  in acpi_resume_power_resources()
850 		mutex_lock(&resource->resource_lock);  in acpi_resume_power_resources()
852 		result = acpi_power_get_state(resource->device.handle, &state);  in acpi_resume_power_resources()
854 			mutex_unlock(&resource->resource_lock);  in acpi_resume_power_resources()
859 		    && resource->ref_count) {  in acpi_resume_power_resources()
860 			dev_info(&resource->device.dev, "Turning ON\n");  in acpi_resume_power_resources()
861 			__acpi_power_on(resource);  in acpi_resume_power_resources()
864 		mutex_unlock(&resource->resource_lock);  in acpi_resume_power_resources()
866 	list_for_each_entry_reverse(resource, &acpi_power_resource_list, list_node) {  in acpi_resume_power_resources()
869 		mutex_lock(&resource->resource_lock);  in acpi_resume_power_resources()
871 		result = acpi_power_get_state(resource->device.handle, &state);  in acpi_resume_power_resources()
873 			mutex_unlock(&resource->resource_lock);  in acpi_resume_power_resources()
878 		    && !resource->ref_count) {  in acpi_resume_power_resources()
879 			dev_info(&resource->device.dev, "Turning OFF\n");  in acpi_resume_power_resources()
880 			__acpi_power_off(resource);  in acpi_resume_power_resources()
883 		mutex_unlock(&resource->resource_lock);  in acpi_resume_power_resources()