72 		struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev);  in to_bus_provider()  local
74 		return nvdimm_bus->module;  in to_bus_provider()
79 static void nvdimm_bus_probe_start(struct nvdimm_bus *nvdimm_bus)  in nvdimm_bus_probe_start()  argument
81 	nvdimm_bus_lock(&nvdimm_bus->dev);  in nvdimm_bus_probe_start()
82 	nvdimm_bus->probe_active++;  in nvdimm_bus_probe_start()
83 	nvdimm_bus_unlock(&nvdimm_bus->dev);  in nvdimm_bus_probe_start()
86 static void nvdimm_bus_probe_end(struct nvdimm_bus *nvdimm_bus)  in nvdimm_bus_probe_end()  argument
88 	nvdimm_bus_lock(&nvdimm_bus->dev);  in nvdimm_bus_probe_end()
89 	if (--nvdimm_bus->probe_active == 0)  in nvdimm_bus_probe_end()
90 		wake_up(&nvdimm_bus->probe_wait);  in nvdimm_bus_probe_end()
91 	nvdimm_bus_unlock(&nvdimm_bus->dev);  in nvdimm_bus_probe_end()
98 	struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev);  in nvdimm_bus_probe()  local
104 	nvdimm_bus_probe_start(nvdimm_bus);  in nvdimm_bus_probe()
107 		nd_region_probe_success(nvdimm_bus, dev);  in nvdimm_bus_probe()
109 		nd_region_disable(nvdimm_bus, dev);  in nvdimm_bus_probe()
110 	nvdimm_bus_probe_end(nvdimm_bus);  in nvdimm_bus_probe()
112 	dev_dbg(&nvdimm_bus->dev, "%s.probe(%s) = %d\n", dev->driver->name,  in nvdimm_bus_probe()
124 	struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev);  in nvdimm_bus_remove()  local
128 	nd_region_disable(nvdimm_bus, dev);  in nvdimm_bus_remove()
130 	dev_dbg(&nvdimm_bus->dev, "%s.remove(%s) = %d\n", dev->driver->name,  in nvdimm_bus_remove()
313 int nvdimm_bus_create_ndctl(struct nvdimm_bus *nvdimm_bus)  in nvdimm_bus_create_ndctl()  argument
315 	dev_t devt = MKDEV(nvdimm_bus_major, nvdimm_bus->id);  in nvdimm_bus_create_ndctl()
318 	dev = device_create(nd_class, &nvdimm_bus->dev, devt, nvdimm_bus,  in nvdimm_bus_create_ndctl()
319 			"ndctl%d", nvdimm_bus->id);  in nvdimm_bus_create_ndctl()
322 		dev_dbg(&nvdimm_bus->dev, "failed to register ndctl%d: %ld\n",  in nvdimm_bus_create_ndctl()
323 				nvdimm_bus->id, PTR_ERR(dev));  in nvdimm_bus_create_ndctl()
329 void nvdimm_bus_destroy_ndctl(struct nvdimm_bus *nvdimm_bus)  in nvdimm_bus_destroy_ndctl()  argument
331 	device_destroy(nd_class, MKDEV(nvdimm_bus_major, nvdimm_bus->id));  in nvdimm_bus_destroy_ndctl()
454 	struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(dev);  in wait_nvdimm_bus_probe_idle()  local
457 		if (nvdimm_bus->probe_active == 0)  in wait_nvdimm_bus_probe_idle()
459 		nvdimm_bus_unlock(&nvdimm_bus->dev);  in wait_nvdimm_bus_probe_idle()
460 		wait_event(nvdimm_bus->probe_wait,  in wait_nvdimm_bus_probe_idle()
461 				nvdimm_bus->probe_active == 0);  in wait_nvdimm_bus_probe_idle()
462 		nvdimm_bus_lock(&nvdimm_bus->dev);  in wait_nvdimm_bus_probe_idle()
469 	struct nvdimm_bus *nvdimm_bus;  in nd_cmd_clear_to_send()  local
474 	nvdimm_bus = walk_to_nvdimm_bus(&nvdimm->dev);  in nd_cmd_clear_to_send()
475 	wait_nvdimm_bus_probe_idle(&nvdimm_bus->dev);  in nd_cmd_clear_to_send()
482 static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm,  in __nd_ioctl()  argument
485 	struct nvdimm_bus_descriptor *nd_desc = nvdimm_bus->nd_desc;  in __nd_ioctl()
492 	struct device *dev = &nvdimm_bus->dev;  in __nd_ioctl()
520 			dev_dbg(&nvdimm_bus->dev, "'%s' command while read-only.\n",  in __nd_ioctl()
585 	nvdimm_bus_lock(&nvdimm_bus->dev);  in __nd_ioctl()
596 	nvdimm_bus_unlock(&nvdimm_bus->dev);  in __nd_ioctl()
606 	struct nvdimm_bus *nvdimm_bus;  in nd_ioctl()  local
610 	list_for_each_entry(nvdimm_bus, &nvdimm_bus_list, list) {  in nd_ioctl()
611 		if (nvdimm_bus->id == id) {  in nd_ioctl()
612 			rc = __nd_ioctl(nvdimm_bus, NULL, read_only, cmd, arg);  in nd_ioctl()
637 	struct nvdimm_bus *nvdimm_bus;  in nvdimm_ioctl()  local
641 	list_for_each_entry(nvdimm_bus, &nvdimm_bus_list, list) {  in nvdimm_ioctl()
642 		struct device *dev = device_find_child(&nvdimm_bus->dev,  in nvdimm_ioctl()
650 		rc = __nd_ioctl(nvdimm_bus, nvdimm, read_only, cmd, arg);  in nvdimm_ioctl()