Re: 2.6.29-rc libata sff 32bit PIO regression

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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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