CHA_EXT_STAT      241 drivers/tty/serial/ip22zilog.h #define CHA_EXT_STAT	0x0a
CHA_EXT_STAT      336 drivers/tty/serial/pmac_zilog.h #define	CHA_EXT_STAT	0x0a
CHA_EXT_STAT      245 drivers/tty/serial/sunzilog.h #define CHA_EXT_STAT	0x0a