On 2/26/06, Robert Hancock <[email protected]> wrote:
> Henrik Persson wrote:
> > Does happen once or twice a year.. Probably something funky with the
> > cabling or some power-related issues.
> >
> > Anyway, I would be happy if the IDE driver would "just not do that". :)
>
> I can see the reasoning where the device just doesn't function properly
> with DMA at all (like on some Compact Flash-to-IDE adapters where the
> card claims to support DMA but the DMA lines aren't wired through in the
> adapter properly). In that case not disabling DMA would render it
> useless. The IDE layer could keep track of whether DMA was previously
> working on that device however, and not disable DMA on reset if it had
> previously been working.
>
That might be even better than an option to tell the driver "I don't
want you to disable DMA on reset".
--
Jesper Juhl <[email protected]>
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