347 static int ti_write_byte(struct usb_serial_port *port, struct ti_device *tdev,
350 static int ti_download_firmware(struct ti_device *tdev);
509 	struct ti_device *tdev;  in ti_startup()  local
522 	tdev = kzalloc(sizeof(struct ti_device), GFP_KERNEL);  in ti_startup()
523 	if (!tdev)  in ti_startup()
526 	mutex_init(&tdev->td_open_close_lock);  in ti_startup()
527 	tdev->td_serial = serial;  in ti_startup()
528 	usb_set_serial_data(serial, tdev);  in ti_startup()
532 		tdev->td_is_3410 = 1;  in ti_startup()
534 		tdev->td_is_3410 ? "3410" : "5052");  in ti_startup()
542 			tdev->td_rs485_only = true;  in ti_startup()
552 		status = ti_download_firmware(tdev);  in ti_startup()
558 		if (tdev->td_is_3410) {  in ti_startup()
584 	kfree(tdev);  in ti_startup()
592 	struct ti_device *tdev = usb_get_serial_data(serial);  in ti_release()  local
594 	kfree(tdev);  in ti_release()
641 	struct ti_device *tdev;  in ti_open()  local
652 	tdev = tport->tp_tdev;  in ti_open()
655 	if (mutex_lock_interruptible(&tdev->td_open_close_lock))  in ti_open()
662 	if (tdev->td_open_port_count == 0) {  in ti_open()
664 		urb = tdev->td_serial->port[0]->interrupt_in_urb;  in ti_open()
670 		urb->context = tdev;  in ti_open()
747 	++tdev->td_open_port_count;  in ti_open()
752 	if (tdev->td_open_port_count == 0)  in ti_open()
755 	mutex_unlock(&tdev->td_open_close_lock);  in ti_open()
762 	struct ti_device *tdev;  in ti_close()  local
767 	tdev = usb_get_serial_data(port->serial);  in ti_close()
785 	mutex_lock(&tdev->td_open_close_lock);  in ti_close()
786 	--tdev->td_open_port_count;  in ti_close()
787 	if (tdev->td_open_port_count == 0) {  in ti_close()
791 	mutex_unlock(&tdev->td_open_close_lock);  in ti_close()
1104 	struct ti_device *tdev = urb->context;  in ti_interrupt_callback()  local
1106 	struct usb_serial *serial = tdev->td_serial;  in ti_interrupt_callback()
1515 			 struct ti_device *tdev, unsigned long addr,  in ti_write_byte()  argument
1576 static int ti_download_firmware(struct ti_device *tdev)  in ti_download_firmware()  argument
1581 	struct usb_device *dev = tdev->td_serial->dev;  in ti_download_firmware()
1583 		tdev->td_serial->port[0]->bulk_out_endpointAddress);  in ti_download_firmware()
1627 			if (tdev->td_is_3410)  in ti_download_firmware()