MISCSTATUS_DCD_LATCHED  565 drivers/tty/synclink.c #define MISCSTATUS_DCD_LATCHED		BIT7
MISCSTATUS_DCD_LATCHED  285 drivers/tty/synclinkmp.c #define	MISCSTATUS_DCD_LATCHED	(SerialSignal_DCD<<8)	/* indicates change in DCD */