CHB_Rx_AVAIL      238 drivers/tty/serial/ip22zilog.h #define CHB_Rx_AVAIL	0x04
CHB_Rx_AVAIL      333 drivers/tty/serial/pmac_zilog.h #define	CHB_Rx_AVAIL	0x04
CHB_Rx_AVAIL      242 drivers/tty/serial/sunzilog.h #define CHB_Rx_AVAIL	0x04