In <4.3.2.7.2.20001021231704.022b9368@3am-software.com>
matt@3am-software.com wrote:

> Is there something not yet working?  What needs to be fixed?

I think it is working and enabled by default.
The comment in wdc_obio.c should be updated :-)

> (since my G4 only has obio wdc's, to get decent disk performance
> I'd like to be able to use DMA, even UDMA).

I've heard some newer machines have some problems around
DMA cache coherency, though.
(i.e. there are some hardware bugs.)
---
Izumi Tsutsui
tsutsui@ceres.dti.ne.jp