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()
205 		struct acpi_power_resource *resource = entry->resource;  in acpi_power_get_list_state()  local
206 		acpi_handle handle = resource->device.handle;  in acpi_power_get_list_state()
209 		mutex_lock(&resource->resource_lock);  in acpi_power_get_list_state()
211 		mutex_unlock(&resource->resource_lock);  in acpi_power_get_list_state()
226 static int __acpi_power_on(struct acpi_power_resource *resource)  in __acpi_power_on()  argument
230 	status = acpi_evaluate_object(resource->device.handle, "_ON", NULL, NULL);  in __acpi_power_on()
235 			  resource->name));  in __acpi_power_on()
240 static int acpi_power_on_unlocked(struct acpi_power_resource *resource)  in acpi_power_on_unlocked()  argument
244 	if (resource->ref_count++) {  in acpi_power_on_unlocked()
247 				  resource->name));  in acpi_power_on_unlocked()
249 		result = __acpi_power_on(resource);  in acpi_power_on_unlocked()
251 			resource->ref_count--;  in acpi_power_on_unlocked()
256 static int acpi_power_on(struct acpi_power_resource *resource)  in acpi_power_on()  argument
260 	mutex_lock(&resource->resource_lock);  in acpi_power_on()
261 	result = acpi_power_on_unlocked(resource);  in acpi_power_on()
262 	mutex_unlock(&resource->resource_lock);  in acpi_power_on()
266 static int __acpi_power_off(struct acpi_power_resource *resource)  in __acpi_power_off()  argument
270 	status = acpi_evaluate_object(resource->device.handle, "_OFF",  in __acpi_power_off()
276 			  resource->name));  in __acpi_power_off()
280 static int acpi_power_off_unlocked(struct acpi_power_resource *resource)  in acpi_power_off_unlocked()  argument
284 	if (!resource->ref_count) {  in acpi_power_off_unlocked()
287 				  resource->name));  in acpi_power_off_unlocked()
291 	if (--resource->ref_count) {  in acpi_power_off_unlocked()
294 				  resource->name));  in acpi_power_off_unlocked()
296 		result = __acpi_power_off(resource);  in acpi_power_off_unlocked()
298 			resource->ref_count++;  in acpi_power_off_unlocked()
303 static int acpi_power_off(struct acpi_power_resource *resource)  in acpi_power_off()  argument
307 	mutex_lock(&resource->resource_lock);  in acpi_power_off()
308 	result = acpi_power_off_unlocked(resource);  in acpi_power_off()
309 	mutex_unlock(&resource->resource_lock);  in acpi_power_off()
319 		result = acpi_power_off(entry->resource);  in acpi_power_off_list()
327 		acpi_power_on(entry->resource);  in acpi_power_off_list()
338 		result = acpi_power_on(entry->resource);  in acpi_power_on_list()
346 		acpi_power_off(entry->resource);  in acpi_power_on_list()
389 		struct acpi_device *res_dev = &entry->resource->device;  in acpi_power_hide_list()
413 		struct acpi_device *res_dev = &entry->resource->device;  in acpi_power_expose_list()
460 		struct acpi_power_resource *resource = entry->resource;  in acpi_power_wakeup_list_init()  local
461 		acpi_handle handle = resource->device.handle;  in acpi_power_wakeup_list_init()
465 		mutex_lock(&resource->resource_lock);  in acpi_power_wakeup_list_init()
469 			mutex_unlock(&resource->resource_lock);  in acpi_power_wakeup_list_init()
473 			resource->ref_count++;  in acpi_power_wakeup_list_init()
474 			resource->wakeup_enabled = true;  in acpi_power_wakeup_list_init()
476 		if (system_level > resource->system_level)  in acpi_power_wakeup_list_init()
477 			system_level = resource->system_level;  in acpi_power_wakeup_list_init()
479 		mutex_unlock(&resource->resource_lock);  in acpi_power_wakeup_list_init()
570 		struct acpi_power_resource *resource = entry->resource;  in acpi_enable_wakeup_device_power()  local
572 		mutex_lock(&resource->resource_lock);  in acpi_enable_wakeup_device_power()
574 		if (!resource->wakeup_enabled) {  in acpi_enable_wakeup_device_power()
575 			err = acpi_power_on_unlocked(resource);  in acpi_enable_wakeup_device_power()
577 				resource->wakeup_enabled = true;  in acpi_enable_wakeup_device_power()
580 		mutex_unlock(&resource->resource_lock);  in acpi_enable_wakeup_device_power()
633 		struct acpi_power_resource *resource = entry->resource;  in acpi_disable_wakeup_device_power()  local
635 		mutex_lock(&resource->resource_lock);  in acpi_disable_wakeup_device_power()
637 		if (resource->wakeup_enabled) {  in acpi_disable_wakeup_device_power()
638 			err = acpi_power_off_unlocked(resource);  in acpi_disable_wakeup_device_power()
640 				resource->wakeup_enabled = false;  in acpi_disable_wakeup_device_power()
643 		mutex_unlock(&resource->resource_lock);  in acpi_disable_wakeup_device_power()
736 	struct acpi_power_resource *resource;  in acpi_release_power_resource()  local
738 	resource = container_of(device, struct acpi_power_resource, device);  in acpi_release_power_resource()
741 	list_del(&resource->list_node);  in acpi_release_power_resource()
745 	kfree(resource);  in acpi_release_power_resource()
751 	struct acpi_power_resource *resource;  in acpi_power_in_use_show()  local
753 	resource = to_power_resource(to_acpi_device(dev));  in acpi_power_in_use_show()
754 	return sprintf(buf, "%u\n", !!resource->ref_count);  in acpi_power_in_use_show()
763 static void acpi_power_add_resource_to_list(struct acpi_power_resource *resource)  in acpi_power_add_resource_to_list()  argument
771 			if (r->order > resource->order) {  in acpi_power_add_resource_to_list()
772 				list_add_tail(&resource->list_node, &r->list_node);  in acpi_power_add_resource_to_list()
776 	list_add_tail(&resource->list_node, &acpi_power_resource_list);  in acpi_power_add_resource_to_list()
784 	struct acpi_power_resource *resource;  in acpi_add_power_resource()  local
795 	resource = kzalloc(sizeof(*resource), GFP_KERNEL);  in acpi_add_power_resource()
796 	if (!resource)  in acpi_add_power_resource()
799 	device = &resource->device;  in acpi_add_power_resource()
802 	mutex_init(&resource->resource_lock);  in acpi_add_power_resource()
803 	INIT_LIST_HEAD(&resource->list_node);  in acpi_add_power_resource()
804 	resource->name = device->pnp.bus_id;  in acpi_add_power_resource()
814 	resource->system_level = acpi_object.power_resource.system_level;  in acpi_add_power_resource()
815 	resource->order = acpi_object.power_resource.resource_order;  in acpi_add_power_resource()
832 	acpi_power_add_resource_to_list(resource);  in acpi_add_power_resource()
844 	struct acpi_power_resource *resource;  in acpi_resume_power_resources()  local
848 	list_for_each_entry(resource, &acpi_power_resource_list, list_node) {  in acpi_resume_power_resources()
851 		mutex_lock(&resource->resource_lock);  in acpi_resume_power_resources()
853 		result = acpi_power_get_state(resource->device.handle, &state);  in acpi_resume_power_resources()
855 			mutex_unlock(&resource->resource_lock);  in acpi_resume_power_resources()
860 		    && resource->ref_count) {  in acpi_resume_power_resources()
861 			dev_info(&resource->device.dev, "Turning ON\n");  in acpi_resume_power_resources()
862 			__acpi_power_on(resource);  in acpi_resume_power_resources()
865 		mutex_unlock(&resource->resource_lock);  in acpi_resume_power_resources()
873 	struct acpi_power_resource *resource;  in acpi_turn_off_unused_power_resources()  local
877 	list_for_each_entry_reverse(resource, &acpi_power_resource_list, list_node) {  in acpi_turn_off_unused_power_resources()
880 		mutex_lock(&resource->resource_lock);  in acpi_turn_off_unused_power_resources()
882 		result = acpi_power_get_state(resource->device.handle, &state);  in acpi_turn_off_unused_power_resources()
884 			mutex_unlock(&resource->resource_lock);  in acpi_turn_off_unused_power_resources()
889 		    && !resource->ref_count) {  in acpi_turn_off_unused_power_resources()
890 			dev_info(&resource->device.dev, "Turning OFF\n");  in acpi_turn_off_unused_power_resources()
891 			__acpi_power_off(resource);  in acpi_turn_off_unused_power_resources()
894 		mutex_unlock(&resource->resource_lock);  in acpi_turn_off_unused_power_resources()