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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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