CHA_Tx_EMPTY      240 drivers/tty/serial/ip22zilog.h #define CHA_Tx_EMPTY	0x08
CHA_Tx_EMPTY      335 drivers/tty/serial/pmac_zilog.h #define	CHA_Tx_EMPTY	0x08
CHA_Tx_EMPTY      244 drivers/tty/serial/sunzilog.h #define CHA_Tx_EMPTY	0x08