NetBSD master CVS tree commits

[source%NetBSD.ORG@localhost]

thorpej
Fri Feb  6 15:06:50 PST 1998
Update of /cvsroot/src/sys/dev/ic
In directory netbsd1:/var/slash-tmp/cvs-serv18464

Modified Files:
        bha.c bhareg.h bhavar.h 
Log Message:
- Perform all necessary bus_dmamap_sync() operations.
- Greatly simplify allocation and DMA mapping of the mailbox and ccbs.
- Be more robust against resource shortage errors, and report errors better.