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SubjectRe: 2.6.29-rc libata sff 32bit PIO regression

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 <>
> 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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