Subject: Re: needs MI wdc changes to support macppc's wdc
To: Izumi Tsutsui <tsutsui@ceres.dti.ne.jp>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: tech-kern
Date: 11/03/1998 11:15:09
On Wed, 4 Nov 1998 01:04:06 +0900 (JST) 
 tsutsui@ceres.dti.ne.jp (Izumi Tsutsui) wrote:

 > I think it is better to use offset array to access wdc register,
 > though it would make some overheads on archs which have only contiguous
 > addressed wdc (like i386).
 > 
 > Any suggestions?

I don't think it will be much overhead.  For multi-pio, the address will
be computed only once.  I think the reg map in the wdc driver is the right
way to go.

Jason R. Thorpe                                       thorpej@nas.nasa.gov
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