75 	struct serdev_controller *ctrl = to_serdev_controller(dev);  in serdev_ctrl_release()  local
76 	ida_simple_remove(&ctrl_ida, ctrl->nr);  in serdev_ctrl_release()
77 	kfree(ctrl);  in serdev_ctrl_release()
102 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_add()  local
109 	if (ctrl->serdev) {  in serdev_device_add()
113 	ctrl->serdev = serdev;  in serdev_device_add()
127 	ctrl->serdev = NULL;  in serdev_device_add()
138 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_remove()  local
141 	ctrl->serdev = NULL;  in serdev_device_remove()
147 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_open()  local
150 	if (!ctrl || !ctrl->ops->open)  in serdev_device_open()
153 	ret = ctrl->ops->open(ctrl);  in serdev_device_open()
157 	ret = pm_runtime_get_sync(&ctrl->dev);  in serdev_device_open()
159 		pm_runtime_put_noidle(&ctrl->dev);  in serdev_device_open()
166 	if (ctrl->ops->close)  in serdev_device_open()
167 		ctrl->ops->close(ctrl);  in serdev_device_open()
175 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_close()  local
177 	if (!ctrl || !ctrl->ops->close)  in serdev_device_close()
180 	pm_runtime_put(&ctrl->dev);  in serdev_device_close()
182 	ctrl->ops->close(ctrl);  in serdev_device_close()
222 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write_buf()  local
224 	if (!ctrl || !ctrl->ops->write_buf)  in serdev_device_write_buf()
227 	return ctrl->ops->write_buf(ctrl, buf, count);  in serdev_device_write_buf()
235 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write()  local
238 	if (!ctrl || !ctrl->ops->write_buf ||  in serdev_device_write()
246 		ret = ctrl->ops->write_buf(ctrl, buf, count);  in serdev_device_write()
263 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write_flush()  local
265 	if (!ctrl || !ctrl->ops->write_flush)  in serdev_device_write_flush()
268 	ctrl->ops->write_flush(ctrl);  in serdev_device_write_flush()
274 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write_room()  local
276 	if (!ctrl || !ctrl->ops->write_room)  in serdev_device_write_room()
279 	return serdev->ctrl->ops->write_room(ctrl);  in serdev_device_write_room()
285 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_baudrate()  local
287 	if (!ctrl || !ctrl->ops->set_baudrate)  in serdev_device_set_baudrate()
290 	return ctrl->ops->set_baudrate(ctrl, speed);  in serdev_device_set_baudrate()
297 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_flow_control()  local
299 	if (!ctrl || !ctrl->ops->set_flow_control)  in serdev_device_set_flow_control()
302 	ctrl->ops->set_flow_control(ctrl, enable);  in serdev_device_set_flow_control()
309 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_parity()  local
311 	if (!ctrl || !ctrl->ops->set_parity)  in serdev_device_set_parity()
314 	return ctrl->ops->set_parity(ctrl, parity);  in serdev_device_set_parity()
320 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_wait_until_sent()  local
322 	if (!ctrl || !ctrl->ops->wait_until_sent)  in serdev_device_wait_until_sent()
325 	ctrl->ops->wait_until_sent(ctrl, timeout);  in serdev_device_wait_until_sent()
331 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_get_tiocm()  local
333 	if (!ctrl || !ctrl->ops->get_tiocm)  in serdev_device_get_tiocm()
336 	return ctrl->ops->get_tiocm(ctrl);  in serdev_device_get_tiocm()
342 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_tiocm()  local
344 	if (!ctrl || !ctrl->ops->set_tiocm)  in serdev_device_set_tiocm()
347 	return ctrl->ops->set_tiocm(ctrl, set, clear);  in serdev_device_set_tiocm()
392 struct serdev_device *serdev_device_alloc(struct serdev_controller *ctrl)  in serdev_device_alloc()  argument
400 	serdev->ctrl = ctrl;  in serdev_device_alloc()
402 	serdev->dev.parent = &ctrl->dev;  in serdev_device_alloc()
424 	struct serdev_controller *ctrl;  in serdev_controller_alloc()  local
430 	ctrl = kzalloc(sizeof(*ctrl) + size, GFP_KERNEL);  in serdev_controller_alloc()
431 	if (!ctrl)  in serdev_controller_alloc()
441 	ctrl->nr = id;  in serdev_controller_alloc()
443 	device_initialize(&ctrl->dev);  in serdev_controller_alloc()
444 	ctrl->dev.type = &serdev_ctrl_type;  in serdev_controller_alloc()
445 	ctrl->dev.bus = &serdev_bus_type;  in serdev_controller_alloc()
446 	ctrl->dev.parent = parent;  in serdev_controller_alloc()
447 	ctrl->dev.of_node = parent->of_node;  in serdev_controller_alloc()
448 	serdev_controller_set_drvdata(ctrl, &ctrl[1]);  in serdev_controller_alloc()
450 	dev_set_name(&ctrl->dev, "serial%d", id);  in serdev_controller_alloc()
452 	pm_runtime_no_callbacks(&ctrl->dev);  in serdev_controller_alloc()
453 	pm_suspend_ignore_children(&ctrl->dev, true);  in serdev_controller_alloc()
455 	dev_dbg(&ctrl->dev, "allocated controller 0x%p id %d\n", ctrl, id);  in serdev_controller_alloc()
456 	return ctrl;  in serdev_controller_alloc()
459 	kfree(ctrl);  in serdev_controller_alloc()
465 static int of_serdev_register_devices(struct serdev_controller *ctrl)  in of_serdev_register_devices()  argument
472 	for_each_available_child_of_node(ctrl->dev.of_node, node) {  in of_serdev_register_devices()
476 		dev_dbg(&ctrl->dev, "adding child %pOF\n", node);  in of_serdev_register_devices()
478 		serdev = serdev_device_alloc(ctrl);  in of_serdev_register_devices()
499 static acpi_status acpi_serdev_register_device(struct serdev_controller *ctrl,  in acpi_serdev_register_device()  argument
509 	serdev = serdev_device_alloc(ctrl);  in acpi_serdev_register_device()
511 		dev_err(&ctrl->dev, "failed to allocate serdev device for %s\n",  in acpi_serdev_register_device()
532 	struct serdev_controller *ctrl = data;  in acpi_serdev_add_device()  local
538 	return acpi_serdev_register_device(ctrl, adev);  in acpi_serdev_add_device()
541 static int acpi_serdev_register_devices(struct serdev_controller *ctrl)  in acpi_serdev_register_devices()  argument
546 	handle = ACPI_HANDLE(ctrl->dev.parent);  in acpi_serdev_register_devices()
551 				     acpi_serdev_add_device, NULL, ctrl, NULL);  in acpi_serdev_register_devices()
553 		dev_dbg(&ctrl->dev, "failed to enumerate serdev slaves\n");  in acpi_serdev_register_devices()
555 	if (!ctrl->serdev)  in acpi_serdev_register_devices()
561 static inline int acpi_serdev_register_devices(struct serdev_controller *ctrl)  in acpi_serdev_register_devices()  argument
574 int serdev_controller_add(struct serdev_controller *ctrl)  in serdev_controller_add()  argument
582 	ret = device_add(&ctrl->dev);  in serdev_controller_add()
586 	pm_runtime_enable(&ctrl->dev);  in serdev_controller_add()
588 	ret_of = of_serdev_register_devices(ctrl);  in serdev_controller_add()
589 	ret_acpi = acpi_serdev_register_devices(ctrl);  in serdev_controller_add()
591 		dev_dbg(&ctrl->dev, "no devices registered: of:%d acpi:%d\n",  in serdev_controller_add()
597 	dev_dbg(&ctrl->dev, "serdev%d registered: dev:%p\n",  in serdev_controller_add()
598 		ctrl->nr, &ctrl->dev);  in serdev_controller_add()
602 	pm_runtime_disable(&ctrl->dev);  in serdev_controller_add()
603 	device_del(&ctrl->dev);  in serdev_controller_add()
624 void serdev_controller_remove(struct serdev_controller *ctrl)  in serdev_controller_remove()  argument
628 	if (!ctrl)  in serdev_controller_remove()
631 	dummy = device_for_each_child(&ctrl->dev, NULL,  in serdev_controller_remove()
633 	pm_runtime_disable(&ctrl->dev);  in serdev_controller_remove()
634 	device_del(&ctrl->dev);  in serdev_controller_remove()