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SubjectRe: [PATCH 02/20] ata_piix: unify code for programming PIO and MWDMA timings
Hello.

On 21-02-2011 0:07, Alan Cox wrote:

>> PIO mode is setup by different code, and it takes care of the IORDY
>> setting according to the PIO rules (and it gets called). DMA mode setup should
>> just ignore the IORDY setting as in all other sane drivers.

> Well it can't ignore it - but if you mean just keep the bit as is then

Yes, I mean this.

> that sounds sensible, have to see what the docs say happens if you ever
> set MWDMA without IORDY.

Don't think they say anything on this matter but I can't imagine that
IORDY matters for DMA.

WBR, Sergei


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