MISCSTATUS_RI_LATCHED  561 drivers/tty/synclink.c #define MISCSTATUS_RI_LATCHED		BIT11
MISCSTATUS_RI_LATCHED  286 drivers/tty/synclinkmp.c #define MISCSTATUS_RI_LATCHED	(SerialSignal_RI<<8)	/* indicates change in RI */