79 	struct serdev_controller *ctrl = to_serdev_controller(dev);  in serdev_ctrl_release()  local
80 	ida_free(&ctrl_ida, ctrl->nr);  in serdev_ctrl_release()
81 	kfree(ctrl);  in serdev_ctrl_release()
106 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_add()  local
113 	if (ctrl->serdev) {  in serdev_device_add()
117 	ctrl->serdev = serdev;  in serdev_device_add()
131 	ctrl->serdev = NULL;  in serdev_device_add()
142 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_remove()  local
145 	ctrl->serdev = NULL;  in serdev_device_remove()
151 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_open()  local
154 	if (!ctrl || !ctrl->ops->open)  in serdev_device_open()
157 	ret = ctrl->ops->open(ctrl);  in serdev_device_open()
161 	ret = pm_runtime_get_sync(&ctrl->dev);  in serdev_device_open()
163 		pm_runtime_put_noidle(&ctrl->dev);  in serdev_device_open()
170 	if (ctrl->ops->close)  in serdev_device_open()
171 		ctrl->ops->close(ctrl);  in serdev_device_open()
179 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_close()  local
181 	if (!ctrl || !ctrl->ops->close)  in serdev_device_close()
184 	pm_runtime_put(&ctrl->dev);  in serdev_device_close()
186 	ctrl->ops->close(ctrl);  in serdev_device_close()
230 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write_buf()  local
232 	if (!ctrl || !ctrl->ops->write_buf)  in serdev_device_write_buf()
235 	return ctrl->ops->write_buf(ctrl, buf, count);  in serdev_device_write_buf()
264 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write()  local
268 	if (!ctrl || !ctrl->ops->write_buf || !serdev->ops->write_wakeup)  in serdev_device_write()
278 		ret = ctrl->ops->write_buf(ctrl, buf, count);  in serdev_device_write()
310 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write_flush()  local
312 	if (!ctrl || !ctrl->ops->write_flush)  in serdev_device_write_flush()
315 	ctrl->ops->write_flush(ctrl);  in serdev_device_write_flush()
321 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write_room()  local
323 	if (!ctrl || !ctrl->ops->write_room)  in serdev_device_write_room()
326 	return serdev->ctrl->ops->write_room(ctrl);  in serdev_device_write_room()
332 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_baudrate()  local
334 	if (!ctrl || !ctrl->ops->set_baudrate)  in serdev_device_set_baudrate()
337 	return ctrl->ops->set_baudrate(ctrl, speed);  in serdev_device_set_baudrate()
344 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_flow_control()  local
346 	if (!ctrl || !ctrl->ops->set_flow_control)  in serdev_device_set_flow_control()
349 	ctrl->ops->set_flow_control(ctrl, enable);  in serdev_device_set_flow_control()
356 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_parity()  local
358 	if (!ctrl || !ctrl->ops->set_parity)  in serdev_device_set_parity()
361 	return ctrl->ops->set_parity(ctrl, parity);  in serdev_device_set_parity()
367 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_wait_until_sent()  local
369 	if (!ctrl || !ctrl->ops->wait_until_sent)  in serdev_device_wait_until_sent()
372 	ctrl->ops->wait_until_sent(ctrl, timeout);  in serdev_device_wait_until_sent()
378 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_get_tiocm()  local
380 	if (!ctrl || !ctrl->ops->get_tiocm)  in serdev_device_get_tiocm()
383 	return ctrl->ops->get_tiocm(ctrl);  in serdev_device_get_tiocm()
389 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_tiocm()  local
391 	if (!ctrl || !ctrl->ops->set_tiocm)  in serdev_device_set_tiocm()
394 	return ctrl->ops->set_tiocm(ctrl, set, clear);  in serdev_device_set_tiocm()
400 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_break_ctl()  local
402 	if (!ctrl || !ctrl->ops->break_ctl)  in serdev_device_break_ctl()
405 	return ctrl->ops->break_ctl(ctrl, break_state);  in serdev_device_break_ctl()
443  * @ctrl:	associated controller
448 struct serdev_device *serdev_device_alloc(struct serdev_controller *ctrl)  in serdev_device_alloc()  argument
456 	serdev->ctrl = ctrl;  in serdev_device_alloc()
458 	serdev->dev.parent = &ctrl->dev;  in serdev_device_alloc()
482 	struct serdev_controller *ctrl;  in serdev_controller_alloc()  local
488 	ctrl = kzalloc(sizeof(*ctrl) + size, GFP_KERNEL);  in serdev_controller_alloc()
489 	if (!ctrl)  in serdev_controller_alloc()
499 	ctrl->nr = id;  in serdev_controller_alloc()
501 	device_initialize(&ctrl->dev);  in serdev_controller_alloc()
502 	ctrl->dev.type = &serdev_ctrl_type;  in serdev_controller_alloc()
503 	ctrl->dev.bus = &serdev_bus_type;  in serdev_controller_alloc()
504 	ctrl->dev.parent = parent;  in serdev_controller_alloc()
505 	ctrl->host = host;  in serdev_controller_alloc()
506 	device_set_node(&ctrl->dev, dev_fwnode(host));  in serdev_controller_alloc()
507 	serdev_controller_set_drvdata(ctrl, &ctrl[1]);  in serdev_controller_alloc()
509 	dev_set_name(&ctrl->dev, "serial%d", id);  in serdev_controller_alloc()
511 	pm_runtime_no_callbacks(&ctrl->dev);  in serdev_controller_alloc()
512 	pm_suspend_ignore_children(&ctrl->dev, true);  in serdev_controller_alloc()
514 	dev_dbg(&ctrl->dev, "allocated controller 0x%p id %d\n", ctrl, id);  in serdev_controller_alloc()
515 	return ctrl;  in serdev_controller_alloc()
518 	kfree(ctrl);  in serdev_controller_alloc()
524 static int of_serdev_register_devices(struct serdev_controller *ctrl)  in of_serdev_register_devices()  argument
531 	for_each_available_child_of_node(ctrl->dev.of_node, node) {  in of_serdev_register_devices()
535 		dev_dbg(&ctrl->dev, "adding child %pOF\n", node);  in of_serdev_register_devices()
537 		serdev = serdev_device_alloc(ctrl);  in of_serdev_register_devices()
643 static int acpi_serdev_check_resources(struct serdev_controller *ctrl,  in acpi_serdev_check_resources()  argument
669 	if (!device_match_acpi_handle(ctrl->host, lookup.controller_handle))  in acpi_serdev_check_resources()
675 static acpi_status acpi_serdev_register_device(struct serdev_controller *ctrl,  in acpi_serdev_register_device()  argument
681 	serdev = serdev_device_alloc(ctrl);  in acpi_serdev_register_device()
683 		dev_err(&ctrl->dev, "failed to allocate serdev device for %s\n",  in acpi_serdev_register_device()
712 	struct serdev_controller *ctrl = data;  in acpi_serdev_add_device()  local
721 	if (acpi_serdev_check_resources(ctrl, adev))  in acpi_serdev_add_device()
724 	return acpi_serdev_register_device(ctrl, adev);  in acpi_serdev_add_device()
728 static int acpi_serdev_register_devices(struct serdev_controller *ctrl)  in acpi_serdev_register_devices()  argument
734 	if (!has_acpi_companion(ctrl->host))  in acpi_serdev_register_devices()
743 	ret = acpi_quirk_skip_serdev_enumeration(ctrl->host, &skip);  in acpi_serdev_register_devices()
751 				     acpi_serdev_add_device, NULL, ctrl, NULL);  in acpi_serdev_register_devices()
753 		dev_warn(&ctrl->dev, "failed to enumerate serdev slaves\n");  in acpi_serdev_register_devices()
755 	if (!ctrl->serdev)  in acpi_serdev_register_devices()
761 static inline int acpi_serdev_register_devices(struct serdev_controller *ctrl)  in acpi_serdev_register_devices()  argument
769  * @ctrl:	controller to be registered.
774 int serdev_controller_add(struct serdev_controller *ctrl)  in serdev_controller_add()  argument
782 	ret = device_add(&ctrl->dev);  in serdev_controller_add()
786 	pm_runtime_enable(&ctrl->dev);  in serdev_controller_add()
788 	ret_of = of_serdev_register_devices(ctrl);  in serdev_controller_add()
789 	ret_acpi = acpi_serdev_register_devices(ctrl);  in serdev_controller_add()
791 		dev_dbg(&ctrl->dev, "no devices registered: of:%pe acpi:%pe\n",  in serdev_controller_add()
797 	dev_dbg(&ctrl->dev, "serdev%d registered: dev:%p\n",  in serdev_controller_add()
798 		ctrl->nr, &ctrl->dev);  in serdev_controller_add()
802 	pm_runtime_disable(&ctrl->dev);  in serdev_controller_add()
803 	device_del(&ctrl->dev);  in serdev_controller_add()
819  * @ctrl:	controller to remove
824 void serdev_controller_remove(struct serdev_controller *ctrl)  in serdev_controller_remove()  argument
826 	if (!ctrl)  in serdev_controller_remove()
829 	device_for_each_child(&ctrl->dev, NULL, serdev_remove_device);  in serdev_controller_remove()
830 	pm_runtime_disable(&ctrl->dev);  in serdev_controller_remove()
831 	device_del(&ctrl->dev);  in serdev_controller_remove()