Re: 2.6.29-rc libata sff 32bit PIO regression

[Sergei Shtylyov]

Hello.

Alan Cox wrote:
> > [PATCH] libata sff: 32bit PIO use 16bit on slop
> >
> > 871af1210f13966ab911ed2166e4ab2ce775b99d libata: Add 32bit PIO support
> > causes errors on a four-year-old ata_piix Dell Precision 670.  Using
> > 16bit PIO instead of 32bit PIO on the odd 1, 2 or 3 chars fixes that.
> >
> > Signed-off-by: Hugh Dickins <hugh@xxxxxxxxxxx>
> >     
>
> For the 3 bytes of slop it should use a single iowrite32 but otherwise
> that seems ok.

  I'm not really sure what this would achieve but I can post a patch 
implementing this (based on my suggestion to Hugh).

MBR, Sergei


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