TxN_MASK          133 drivers/tty/serial/ip22zilog.h #define TxN_MASK	0x60
TxN_MASK          223 drivers/tty/serial/pmac_zilog.h #define TxN_MASK	0x60
TxN_MASK          125 drivers/tty/serial/sunzilog.h #define TxN_MASK	0x60