31 	struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev);  in nvdimm_bus_lock()  local
33 	if (!nvdimm_bus)  in nvdimm_bus_lock()
35 	mutex_lock(&nvdimm_bus->reconfig_mutex);  in nvdimm_bus_lock()
41 	struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev);  in nvdimm_bus_unlock()  local
43 	if (!nvdimm_bus)  in nvdimm_bus_unlock()
45 	mutex_unlock(&nvdimm_bus->reconfig_mutex);  in nvdimm_bus_unlock()
51 	struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev);  in is_nvdimm_bus_locked()  local
53 	if (!nvdimm_bus)  in is_nvdimm_bus_locked()
55 	return mutex_is_locked(&nvdimm_bus->reconfig_mutex);  in is_nvdimm_bus_locked()
77 	struct nvdimm_bus *nvdimm_bus;  in nvdimm_bus_release()  local
79 	nvdimm_bus = container_of(dev, struct nvdimm_bus, dev);  in nvdimm_bus_release()
80 	ida_simple_remove(&nd_ida, nvdimm_bus->id);  in nvdimm_bus_release()
81 	kfree(nvdimm_bus);  in nvdimm_bus_release()
84 struct nvdimm_bus *to_nvdimm_bus(struct device *dev)  in to_nvdimm_bus()
86 	struct nvdimm_bus *nvdimm_bus;  in to_nvdimm_bus()  local
88 	nvdimm_bus = container_of(dev, struct nvdimm_bus, dev);  in to_nvdimm_bus()
89 	WARN_ON(nvdimm_bus->dev.release != nvdimm_bus_release);  in to_nvdimm_bus()
90 	return nvdimm_bus;  in to_nvdimm_bus()
94 struct nvdimm_bus_descriptor *to_nd_desc(struct nvdimm_bus *nvdimm_bus)  in to_nd_desc()  argument
97 	return nvdimm_bus->nd_desc;  in to_nd_desc()
101 struct nvdimm_bus *walk_to_nvdimm_bus(struct device *nd_dev)  in walk_to_nvdimm_bus()
250 	struct nvdimm_bus *nvdimm_bus = to_nvdimm_bus(dev);  in commands_show()  local
251 	struct nvdimm_bus_descriptor *nd_desc = nvdimm_bus->nd_desc;  in commands_show()
260 static const char *nvdimm_bus_provider(struct nvdimm_bus *nvdimm_bus)  in nvdimm_bus_provider()  argument
262 	struct nvdimm_bus_descriptor *nd_desc = nvdimm_bus->nd_desc;  in nvdimm_bus_provider()
263 	struct device *parent = nvdimm_bus->dev.parent;  in nvdimm_bus_provider()
276 	struct nvdimm_bus *nvdimm_bus = to_nvdimm_bus(dev);  in provider_show()  local
278 	return sprintf(buf, "%s\n", nvdimm_bus_provider(nvdimm_bus));  in provider_show()
318 struct nvdimm_bus *__nvdimm_bus_register(struct device *parent,  in __nvdimm_bus_register()
321 	struct nvdimm_bus *nvdimm_bus;  in __nvdimm_bus_register()  local
324 	nvdimm_bus = kzalloc(sizeof(*nvdimm_bus), GFP_KERNEL);  in __nvdimm_bus_register()
325 	if (!nvdimm_bus)  in __nvdimm_bus_register()
327 	INIT_LIST_HEAD(&nvdimm_bus->list);  in __nvdimm_bus_register()
328 	init_waitqueue_head(&nvdimm_bus->probe_wait);  in __nvdimm_bus_register()
329 	nvdimm_bus->id = ida_simple_get(&nd_ida, 0, 0, GFP_KERNEL);  in __nvdimm_bus_register()
330 	mutex_init(&nvdimm_bus->reconfig_mutex);  in __nvdimm_bus_register()
331 	if (nvdimm_bus->id < 0) {  in __nvdimm_bus_register()
332 		kfree(nvdimm_bus);  in __nvdimm_bus_register()
335 	nvdimm_bus->nd_desc = nd_desc;  in __nvdimm_bus_register()
336 	nvdimm_bus->module = module;  in __nvdimm_bus_register()
337 	nvdimm_bus->dev.parent = parent;  in __nvdimm_bus_register()
338 	nvdimm_bus->dev.release = nvdimm_bus_release;  in __nvdimm_bus_register()
339 	nvdimm_bus->dev.groups = nd_desc->attr_groups;  in __nvdimm_bus_register()
340 	dev_set_name(&nvdimm_bus->dev, "ndbus%d", nvdimm_bus->id);  in __nvdimm_bus_register()
341 	rc = device_register(&nvdimm_bus->dev);  in __nvdimm_bus_register()
343 		dev_dbg(&nvdimm_bus->dev, "registration failed: %d\n", rc);  in __nvdimm_bus_register()
347 	rc = nvdimm_bus_create_ndctl(nvdimm_bus);  in __nvdimm_bus_register()
352 	list_add_tail(&nvdimm_bus->list, &nvdimm_bus_list);  in __nvdimm_bus_register()
355 	return nvdimm_bus;  in __nvdimm_bus_register()
357 	put_device(&nvdimm_bus->dev);  in __nvdimm_bus_register()
377 void nvdimm_bus_unregister(struct nvdimm_bus *nvdimm_bus)  in nvdimm_bus_unregister()  argument
379 	if (!nvdimm_bus)  in nvdimm_bus_unregister()
383 	list_del_init(&nvdimm_bus->list);  in nvdimm_bus_unregister()
387 	device_for_each_child(&nvdimm_bus->dev, NULL, child_unregister);  in nvdimm_bus_unregister()
388 	nvdimm_bus_destroy_ndctl(nvdimm_bus);  in nvdimm_bus_unregister()
390 	device_unregister(&nvdimm_bus->dev);  in nvdimm_bus_unregister()