txForceXoff      2260 drivers/usb/serial/keyspan.c 		msg.txForceXoff = 0;
txForceXoff      2274 drivers/usb/serial/keyspan.c 		msg.txForceXoff = 0;
txForceXoff      2288 drivers/usb/serial/keyspan.c 		msg.txForceXoff = 0;
txForceXoff       137 drivers/usb/serial/keyspan_usa28msg.h 		txForceXoff,	// pretend we've received XOFF