Martin Husemann commented;

> >     __BUS_SPACE_HAS_STREAM_METHODS
> 
> I agree with all points (including this one). There is, however, an easy
> workaround for this point: someone(tm) should implement the missing bus_space
> functions for arm.

Yes, you're right.  But, I think it'd make little sense to use stream ops and
OS_REG_WRITE/READ() macro shortcut after all ...

Toru Nishimura/ALKYL Technology