NUM_ZSREGS         26 drivers/tty/serial/ip22zilog.h #define NUM_ZSREGS    16
NUM_ZSREGS         13 drivers/tty/serial/pmac_zilog.h #define NUM_ZSREGS    17
NUM_ZSREGS         17 drivers/tty/serial/sunzilog.h #define	NUM_ZSREGS	17