Symbol: ASY_LSR_BI
usr/src/uts/common/io/asy.c
3193
if (lsr & (ASY_LSR_FE | ASY_LSR_BI))
usr/src/uts/common/sys/asy.h
231
(ASY_LSR_OE | ASY_LSR_PE | ASY_LSR_FE | ASY_LSR_BI)