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SubjectRe: DMA API issues
On 19 Jun 2004 16:46:42 -0500
James Bottomley <James.Bottomley@SteelEye.com> wrote:

>
> But we still need some sort of fallback where the platform really
> cannot do this. And that fallback is going to be ioremap and all the
> other paraphenalia. So, the thing that bothers me is that if we have
> to have the fallback which is identical to what every other driver
> that uses on-chip memory does anyway, is there any point to placing
> this in the DMA API?

Can you describe a system where its impossible to use the DMA API or one
of the modifications proposed here? what sort of hardware does this and
why?
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