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    SubjectRe: [PATCH] Re: [PATCH][IDE] update qd65xx driver
    On Saturday 13 of September 2003 01:09, wrote:
    > From Fri Sep 12 00:44:48 2003
    > > That reminds me, did I ever send you this?
    > >
    > > Andries
    > No, only similar patch for hpt366.c.
    > I think the (almost) correct scheme is following ...
    > Yes, larger changes are possible - and in fact I have a directory
    > full of IDE stuff, polishing, cleanup, non-urgent.

    Great! Please push'em.

    > I sent this mainly because the hpt366.c analog was needed to
    > prevent filesystem corruption (on my own system). Similarly,
    > I imagine this patch is needed to prevent filesystem corruption -
    > no need to wait until someone actually reports a corrupted filesystem.
    > Patches that allow people to set lower PIO modes than the max
    > may be nice, but are less urgent than preventing modes higher
    > than the max.

    Eeeh... please re-read my mail.

    As stated before you got corruption with hpt366.c because it was calling
    hpt3xx_tune_drive() *internally* with pio argument equal to 5 instead of 255.

    qd65xx.c is not calling qd*_tune_drive() internally et all -> no possibility
    of corruption unless user *manually* sets mode higher than supported.


    > Andries
    > > - pio = ide_get_best_pio_mode(drive, pio, 255, &d);
    > > + pio = ide_get_best_pio_mode(drive, 255, pio, &d);

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