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