221 	int status;  in update_mctrl()  local
236 	status = qt2_setregister(dev, port_priv->device_port, UART_MCR,  in update_mctrl()
238 	if (status < 0)  in update_mctrl()
241 			status);  in update_mctrl()
242 	return status;  in update_mctrl()
273 	int status;  in qt2_set_termios()  local
304 	status = qt2_set_port_config(dev, port_priv->device_port, baud,  in qt2_set_termios()
306 	if (status < 0)  in qt2_set_termios()
308 			__func__, status);  in qt2_set_termios()
311 		status = qt2_control_msg(dev, QT_HW_FLOW_CONTROL_MASK,  in qt2_set_termios()
315 		status = qt2_control_msg(dev, QT_HW_FLOW_CONTROL_MASK,  in qt2_set_termios()
317 	if (status < 0)  in qt2_set_termios()
319 			__func__, status);  in qt2_set_termios()
324 		status = qt2_control_msg(dev, QT_SW_FLOW_CONTROL_MASK,  in qt2_set_termios()
327 		status = qt2_control_msg(dev, QT_SW_FLOW_CONTROL_MASK,  in qt2_set_termios()
330 	if (status < 0)  in qt2_set_termios()
332 			__func__, status);  in qt2_set_termios()
342 	int status;  in qt2_open()  local
352 	status = qt2_control_msg(serial->dev, QT2_GET_SET_QMCR,  in qt2_open()
354 	if (status < 0) {  in qt2_open()
357 			__func__, device_port, status);  in qt2_open()
358 		return status;  in qt2_open()
366 	status = usb_control_msg(serial->dev,  in qt2_open()
372 	if (status < 2) {  in qt2_open()
374 			status);  in qt2_open()
375 		if (status >= 0)  in qt2_open()
376 			status = -EIO;  in qt2_open()
378 		return status;  in qt2_open()
389 	status = qt2_set_port_config(serial->dev, device_port,  in qt2_open()
391 	if (status < 0) {  in qt2_open()
394 		return status;  in qt2_open()
602 	int status;  in qt2_read_bulk_callback()  local
604 	if (urb->status) {  in qt2_read_bulk_callback()
607 			 urb->status);  in qt2_read_bulk_callback()
613 	status = usb_submit_urb(urb, GFP_ATOMIC);  in qt2_read_bulk_callback()
614 	if (status != 0)  in qt2_read_bulk_callback()
617 			__func__, status);  in qt2_read_bulk_callback()
624 	int status;  in qt2_setup_urbs()  local
640 	status = usb_submit_urb(serial_priv->read_urb, GFP_KERNEL);  in qt2_setup_urbs()
641 	if (status != 0) {  in qt2_setup_urbs()
643 			"%s - submit read urb failed %i\n", __func__, status);  in qt2_setup_urbs()
645 		return status;  in qt2_setup_urbs()
654 	int status;  in qt2_attach()  local
657 	status = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),  in qt2_attach()
660 	if (status < 0) {  in qt2_attach()
662 			"%s - failed to power on unit: %i\n", __func__, status);  in qt2_attach()
663 		return status;  in qt2_attach()
672 		status = -ENOMEM;  in qt2_attach()
678 	status = qt2_setup_urbs(serial);  in qt2_attach()
679 	if (status != 0)  in qt2_attach()
688 	return status;  in qt2_attach()
787 	int status;  in qt2_break_ctl()  local
794 	status = qt2_control_msg(port->serial->dev, QT2_BREAK_CONTROL,  in qt2_break_ctl()
796 	if (status < 0)  in qt2_break_ctl()
799 			 status);  in qt2_break_ctl()
919 	int status;  in qt2_write()  local
948 	status = usb_submit_urb(write_urb, GFP_ATOMIC);  in qt2_write()
949 	if (status == 0) {  in qt2_write()