Subject: Re: sparc bus changes
To: Paul Kranenburg <pk@cs.few.eur.nl>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: port-sparc
Date: 01/31/1998 16:03:05
On Sun, 1 Feb 1998 00:12:28 -74300 (MET)
Paul Kranenburg <pk@cs.few.eur.nl> wrote:
> Another quirk I've yet to work around is the use of `bus_dmamem_mmap()'
> in frame buffer drivers, which just seems plain awkward given the
> way "real" DMA is done on sparc and sun3s.
bus_dmamem_mmap() is not appropriate for frame buffers. This is exactly
what I want to implement bus_space_mmap() for (well, one of the things).
Jason R. Thorpe thorpej@nas.nasa.gov
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