On Thu, Aug 22, 2002 at 06:42:20AM -0400, Blaise Gassend wrote:
> I suspect that the absence in DMA read support probably explains why
> this would be so CPU intensive.
>
> I have a DMA read routine working for my cpia camera, but am having
> trouble adapting it to the general parport driver. I sent a message
> about my problems a few months ago, but got no replies. If any parport
> gurus were willing to give me a hand it should be possible to get the
> routine working with very little work.
The trouble is that the DMA support in the parport driver is known to
be unreliable. We never traced it down; it could be due to hardware
for all I know.
Tim.
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