QT_OPEN_CLOSE_CHANNEL  368 drivers/usb/serial/quatech2.c 				 QT_OPEN_CLOSE_CHANNEL,
QT_OPEN_CLOSE_CHANNEL  440 drivers/usb/serial/quatech2.c 			    QT_OPEN_CLOSE_CHANNEL,
QT_OPEN_CLOSE_CHANNEL  305 drivers/usb/serial/ssu100.c 				 QT_OPEN_CLOSE_CHANNEL,