77 	struct serdev_controller *ctrl = to_serdev_controller(dev);  in serdev_ctrl_release()  local
78 	ida_simple_remove(&ctrl_ida, ctrl->nr);  in serdev_ctrl_release()
79 	kfree(ctrl);  in serdev_ctrl_release()
104 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_add()  local
111 	if (ctrl->serdev) {  in serdev_device_add()
115 	ctrl->serdev = serdev;  in serdev_device_add()
129 	ctrl->serdev = NULL;  in serdev_device_add()
140 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_remove()  local
143 	ctrl->serdev = NULL;  in serdev_device_remove()
149 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_open()  local
152 	if (!ctrl || !ctrl->ops->open)  in serdev_device_open()
155 	ret = ctrl->ops->open(ctrl);  in serdev_device_open()
159 	ret = pm_runtime_get_sync(&ctrl->dev);  in serdev_device_open()
161 		pm_runtime_put_noidle(&ctrl->dev);  in serdev_device_open()
168 	if (ctrl->ops->close)  in serdev_device_open()
169 		ctrl->ops->close(ctrl);  in serdev_device_open()
177 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_close()  local
179 	if (!ctrl || !ctrl->ops->close)  in serdev_device_close()
182 	pm_runtime_put(&ctrl->dev);  in serdev_device_close()
184 	ctrl->ops->close(ctrl);  in serdev_device_close()
239 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write_buf()  local
241 	if (!ctrl || !ctrl->ops->write_buf)  in serdev_device_write_buf()
244 	return ctrl->ops->write_buf(ctrl, buf, count);  in serdev_device_write_buf()
274 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write()  local
278 	if (!ctrl || !ctrl->ops->write_buf || !serdev->ops->write_wakeup)  in serdev_device_write()
288 		ret = ctrl->ops->write_buf(ctrl, buf, count);  in serdev_device_write()
320 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write_flush()  local
322 	if (!ctrl || !ctrl->ops->write_flush)  in serdev_device_write_flush()
325 	ctrl->ops->write_flush(ctrl);  in serdev_device_write_flush()
331 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write_room()  local
333 	if (!ctrl || !ctrl->ops->write_room)  in serdev_device_write_room()
336 	return serdev->ctrl->ops->write_room(ctrl);  in serdev_device_write_room()
342 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_baudrate()  local
344 	if (!ctrl || !ctrl->ops->set_baudrate)  in serdev_device_set_baudrate()
347 	return ctrl->ops->set_baudrate(ctrl, speed);  in serdev_device_set_baudrate()
354 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_flow_control()  local
356 	if (!ctrl || !ctrl->ops->set_flow_control)  in serdev_device_set_flow_control()
359 	ctrl->ops->set_flow_control(ctrl, enable);  in serdev_device_set_flow_control()
366 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_parity()  local
368 	if (!ctrl || !ctrl->ops->set_parity)  in serdev_device_set_parity()
371 	return ctrl->ops->set_parity(ctrl, parity);  in serdev_device_set_parity()
377 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_wait_until_sent()  local
379 	if (!ctrl || !ctrl->ops->wait_until_sent)  in serdev_device_wait_until_sent()
382 	ctrl->ops->wait_until_sent(ctrl, timeout);  in serdev_device_wait_until_sent()
388 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_get_tiocm()  local
390 	if (!ctrl || !ctrl->ops->get_tiocm)  in serdev_device_get_tiocm()
393 	return ctrl->ops->get_tiocm(ctrl);  in serdev_device_get_tiocm()
399 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_tiocm()  local
401 	if (!ctrl || !ctrl->ops->set_tiocm)  in serdev_device_set_tiocm()
404 	return ctrl->ops->set_tiocm(ctrl, set, clear);  in serdev_device_set_tiocm()
410 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_break_ctl()  local
412 	if (!ctrl || !ctrl->ops->break_ctl)  in serdev_device_break_ctl()
415 	return ctrl->ops->break_ctl(ctrl, break_state);  in serdev_device_break_ctl()
453  * @ctrl:	associated controller
458 struct serdev_device *serdev_device_alloc(struct serdev_controller *ctrl)  in serdev_device_alloc()  argument
466 	serdev->ctrl = ctrl;  in serdev_device_alloc()
468 	serdev->dev.parent = &ctrl->dev;  in serdev_device_alloc()
490 	struct serdev_controller *ctrl;  in serdev_controller_alloc()  local
496 	ctrl = kzalloc(sizeof(*ctrl) + size, GFP_KERNEL);  in serdev_controller_alloc()
497 	if (!ctrl)  in serdev_controller_alloc()
507 	ctrl->nr = id;  in serdev_controller_alloc()
509 	device_initialize(&ctrl->dev);  in serdev_controller_alloc()
510 	ctrl->dev.type = &serdev_ctrl_type;  in serdev_controller_alloc()
511 	ctrl->dev.bus = &serdev_bus_type;  in serdev_controller_alloc()
512 	ctrl->dev.parent = parent;  in serdev_controller_alloc()
513 	ctrl->dev.of_node = parent->of_node;  in serdev_controller_alloc()
514 	serdev_controller_set_drvdata(ctrl, &ctrl[1]);  in serdev_controller_alloc()
516 	dev_set_name(&ctrl->dev, "serial%d", id);  in serdev_controller_alloc()
518 	pm_runtime_no_callbacks(&ctrl->dev);  in serdev_controller_alloc()
519 	pm_suspend_ignore_children(&ctrl->dev, true);  in serdev_controller_alloc()
521 	dev_dbg(&ctrl->dev, "allocated controller 0x%p id %d\n", ctrl, id);  in serdev_controller_alloc()
522 	return ctrl;  in serdev_controller_alloc()
525 	kfree(ctrl);  in serdev_controller_alloc()
531 static int of_serdev_register_devices(struct serdev_controller *ctrl)  in of_serdev_register_devices()  argument
538 	for_each_available_child_of_node(ctrl->dev.of_node, node) {  in of_serdev_register_devices()
542 		dev_dbg(&ctrl->dev, "adding child %pOF\n", node);  in of_serdev_register_devices()
544 		serdev = serdev_device_alloc(ctrl);  in of_serdev_register_devices()
650 static int acpi_serdev_check_resources(struct serdev_controller *ctrl,  in acpi_serdev_check_resources()  argument
676 	if (ACPI_HANDLE(ctrl->dev.parent) != lookup.controller_handle)  in acpi_serdev_check_resources()
682 static acpi_status acpi_serdev_register_device(struct serdev_controller *ctrl,  in acpi_serdev_register_device()  argument
688 	serdev = serdev_device_alloc(ctrl);  in acpi_serdev_register_device()
690 		dev_err(&ctrl->dev, "failed to allocate serdev device for %s\n",  in acpi_serdev_register_device()
719 	struct serdev_controller *ctrl = data;  in acpi_serdev_add_device()  local
728 	if (acpi_serdev_check_resources(ctrl, adev))  in acpi_serdev_add_device()
731 	return acpi_serdev_register_device(ctrl, adev);  in acpi_serdev_add_device()
735 static int acpi_serdev_register_devices(struct serdev_controller *ctrl)  in acpi_serdev_register_devices()  argument
741 	if (!has_acpi_companion(ctrl->dev.parent))  in acpi_serdev_register_devices()
750 	ret = acpi_quirk_skip_serdev_enumeration(ctrl->dev.parent, &skip);  in acpi_serdev_register_devices()
758 				     acpi_serdev_add_device, NULL, ctrl, NULL);  in acpi_serdev_register_devices()
760 		dev_warn(&ctrl->dev, "failed to enumerate serdev slaves\n");  in acpi_serdev_register_devices()
762 	if (!ctrl->serdev)  in acpi_serdev_register_devices()
768 static inline int acpi_serdev_register_devices(struct serdev_controller *ctrl)  in acpi_serdev_register_devices()  argument
776  * @ctrl:	controller to be registered.
781 int serdev_controller_add(struct serdev_controller *ctrl)  in serdev_controller_add()  argument
789 	ret = device_add(&ctrl->dev);  in serdev_controller_add()
793 	pm_runtime_enable(&ctrl->dev);  in serdev_controller_add()
795 	ret_of = of_serdev_register_devices(ctrl);  in serdev_controller_add()
796 	ret_acpi = acpi_serdev_register_devices(ctrl);  in serdev_controller_add()
798 		dev_dbg(&ctrl->dev, "no devices registered: of:%pe acpi:%pe\n",  in serdev_controller_add()
804 	dev_dbg(&ctrl->dev, "serdev%d registered: dev:%p\n",  in serdev_controller_add()
805 		ctrl->nr, &ctrl->dev);  in serdev_controller_add()
809 	pm_runtime_disable(&ctrl->dev);  in serdev_controller_add()
810 	device_del(&ctrl->dev);  in serdev_controller_add()
826  * @ctrl:	controller to remove
831 void serdev_controller_remove(struct serdev_controller *ctrl)  in serdev_controller_remove()  argument
833 	if (!ctrl)  in serdev_controller_remove()
836 	device_for_each_child(&ctrl->dev, NULL, serdev_remove_device);  in serdev_controller_remove()
837 	pm_runtime_disable(&ctrl->dev);  in serdev_controller_remove()
838 	device_del(&ctrl->dev);  in serdev_controller_remove()