On Nov 6, 2005, at 9:19 AM, Izumi Tsutsui wrote:

> In article <8F390E0B-2B42-44A2-89CF-7185215E1D80@shagadelic.org>
> thorpej@shagadelic.org wrote:
>
>> Note that asc_minphys() is only consulted for physio.  You also need
>> to adjust MAXBSIZE in order for it to affect e.g. file system I/O
>> (this is what the sun3 port has to do).
>
> Hmm, is there no way to set MAXBSIZE per device basis?
> Or, could anyone try the new asc driver with 64K MAXPHYS
> on PICA or ImageRISCStation? ;-)

No, there is currently no way to do this (sadly).

>
> I think NCR53C94 (actually it's FAS216?) with MI ncr53c9x(4) can
> handle 64K xfer even with 16bit TC regs as other ports do and
> jazzio DMA has no 64K limit.

Test it? :-)

> ---
> Izumi Tsutsui

-- thorpej