QT_HW_FLOW_CONTROL_MASK   34 drivers/usb/serial/quatech2.c #define QT_HW_FLOW_CONTROL_MASK     0xc5
QT_HW_FLOW_CONTROL_MASK   28 drivers/usb/serial/ssu100.c #define QT_HW_FLOW_CONTROL_MASK     0xc5