62 	struct serdev_device *serdev = to_serdev_device(dev);  in serdev_device_release()  local
63 	kfree(serdev);  in serdev_device_release()
104 int serdev_device_add(struct serdev_device *serdev)  in serdev_device_add()  argument
106 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_add()
107 	struct device *parent = serdev->dev.parent;  in serdev_device_add()
110 	dev_set_name(&serdev->dev, "%s-%d", dev_name(parent), serdev->nr);  in serdev_device_add()
113 	if (ctrl->serdev) {  in serdev_device_add()
114 		dev_err(&serdev->dev, "controller busy\n");  in serdev_device_add()
117 	ctrl->serdev = serdev;  in serdev_device_add()
119 	err = device_add(&serdev->dev);  in serdev_device_add()
121 		dev_err(&serdev->dev, "Can't add %s, status %pe\n",  in serdev_device_add()
122 			dev_name(&serdev->dev), ERR_PTR(err));  in serdev_device_add()
126 	dev_dbg(&serdev->dev, "device %s registered\n", dev_name(&serdev->dev));  in serdev_device_add()
131 	ctrl->serdev = NULL;  in serdev_device_add()
140 void serdev_device_remove(struct serdev_device *serdev)  in serdev_device_remove()  argument
142 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_remove()
144 	device_unregister(&serdev->dev);  in serdev_device_remove()
145 	ctrl->serdev = NULL;  in serdev_device_remove()
149 int serdev_device_open(struct serdev_device *serdev)  in serdev_device_open()  argument
151 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_open()
177 void serdev_device_close(struct serdev_device *serdev)  in serdev_device_close()  argument
179 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_close()
190 static void devm_serdev_device_close(void *serdev)  in devm_serdev_device_close()  argument
192 	serdev_device_close(serdev);  in devm_serdev_device_close()
195 int devm_serdev_device_open(struct device *dev, struct serdev_device *serdev)  in devm_serdev_device_open()  argument
199 	ret = serdev_device_open(serdev);  in devm_serdev_device_open()
203 	return devm_add_action_or_reset(dev, devm_serdev_device_close, serdev);  in devm_serdev_device_open()
207 void serdev_device_write_wakeup(struct serdev_device *serdev)  in serdev_device_write_wakeup()  argument
209 	complete(&serdev->write_comp);  in serdev_device_write_wakeup()
228 int serdev_device_write_buf(struct serdev_device *serdev, const u8 *buf, size_t count)  in serdev_device_write_buf()  argument
230 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write_buf()
261 ssize_t serdev_device_write(struct serdev_device *serdev, const u8 *buf,  in serdev_device_write()  argument
264 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write()
268 	if (!ctrl || !ctrl->ops->write_buf || !serdev->ops->write_wakeup)  in serdev_device_write()
274 	mutex_lock(&serdev->write_lock);  in serdev_device_write()
276 		reinit_completion(&serdev->write_comp);  in serdev_device_write()
289 		timeout = wait_for_completion_interruptible_timeout(&serdev->write_comp,  in serdev_device_write()
292 	mutex_unlock(&serdev->write_lock);  in serdev_device_write()
308 void serdev_device_write_flush(struct serdev_device *serdev)  in serdev_device_write_flush()  argument
310 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_write_flush()
319 unsigned int serdev_device_set_baudrate(struct serdev_device *serdev, unsigned int speed)  in serdev_device_set_baudrate()  argument
321 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_baudrate()
331 void serdev_device_set_flow_control(struct serdev_device *serdev, bool enable)  in serdev_device_set_flow_control()  argument
333 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_flow_control()
342 int serdev_device_set_parity(struct serdev_device *serdev,  in serdev_device_set_parity()  argument
345 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_parity()
354 void serdev_device_wait_until_sent(struct serdev_device *serdev, long timeout)  in serdev_device_wait_until_sent()  argument
356 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_wait_until_sent()
365 int serdev_device_get_tiocm(struct serdev_device *serdev)  in serdev_device_get_tiocm()  argument
367 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_get_tiocm()
376 int serdev_device_set_tiocm(struct serdev_device *serdev, int set, int clear)  in serdev_device_set_tiocm()  argument
378 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_set_tiocm()
387 int serdev_device_break_ctl(struct serdev_device *serdev, int break_state)  in serdev_device_break_ctl()  argument
389 	struct serdev_controller *ctrl = serdev->ctrl;  in serdev_device_break_ctl()
439 	struct serdev_device *serdev;  in serdev_device_alloc()  local
441 	serdev = kzalloc(sizeof(*serdev), GFP_KERNEL);  in serdev_device_alloc()
442 	if (!serdev)  in serdev_device_alloc()
445 	serdev->ctrl = ctrl;  in serdev_device_alloc()
446 	device_initialize(&serdev->dev);  in serdev_device_alloc()
447 	serdev->dev.parent = &ctrl->dev;  in serdev_device_alloc()
448 	serdev->dev.bus = &serdev_bus_type;  in serdev_device_alloc()
449 	serdev->dev.type = &serdev_device_type;  in serdev_device_alloc()
450 	init_completion(&serdev->write_comp);  in serdev_device_alloc()
451 	mutex_init(&serdev->write_lock);  in serdev_device_alloc()
452 	return serdev;  in serdev_device_alloc()
516 	struct serdev_device *serdev = NULL;  in of_serdev_register_devices()  local
526 		serdev = serdev_device_alloc(ctrl);  in of_serdev_register_devices()
527 		if (!serdev)  in of_serdev_register_devices()
530 		device_set_node(&serdev->dev, of_fwnode_handle(node));  in of_serdev_register_devices()
532 		err = serdev_device_add(serdev);  in of_serdev_register_devices()
534 			dev_err(&serdev->dev,  in of_serdev_register_devices()
537 			serdev_device_put(serdev);  in of_serdev_register_devices()
667 	struct serdev_device *serdev;  in acpi_serdev_register_device()  local
670 	serdev = serdev_device_alloc(ctrl);  in acpi_serdev_register_device()
671 	if (!serdev) {  in acpi_serdev_register_device()
677 	ACPI_COMPANION_SET(&serdev->dev, adev);  in acpi_serdev_register_device()
680 	err = serdev_device_add(serdev);  in acpi_serdev_register_device()
682 		dev_err(&serdev->dev,  in acpi_serdev_register_device()
685 		serdev_device_put(serdev);  in acpi_serdev_register_device()
744 	if (!ctrl->serdev)  in acpi_serdev_register_devices()
800 	struct serdev_device *serdev = to_serdev_device(dev);  in serdev_remove_device()  local
802 		serdev_device_remove(serdev);  in serdev_remove_device()