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    SubjectRe: [patch 1/2] libata: _GTF support
    On Sun, 01 Oct 2006 21:02:21 +0400
    Andrey Borzenkov <arvidjaar@mail.ru> wrote:

    > Kristen Carlson Accardi wrote:
    >
    > > _GTF is an acpi method that is used to reinitialize the drive. It returns
    > > a task file containing ata commands that are sent back to the drive to
    > > restore it to boot up defaults.
    > >
    > [...]
    > > @@ -1597,6 +1601,9 @@ int ata_bus_probe(struct ata_port *ap)
    > > /* reset and determine device classes */
    > > ap->ops->phy_reset(ap);
    > >
    > > + /* retrieve and execute the ATA task file of _GTF */
    > > + ata_acpi_exec_tfs(ap);
    > > +
    > > for (i = 0; i < ATA_MAX_DEVICES; i++) {
    > > dev = &ap->device[i];
    > >
    >
    > ata_bus_probe() seems to be called only if driver does not provide own error
    > handler? Also would GTF be executed on resume? I hoped it may fix resume
    > from RAM problem I have but it looks like this is never executed in my case
    > (pata_ali).
    >
    > TIA
    >
    > -andrey

    Hi Andrey
    On Friday I submitted another patch which changes where this is executed.
    http://marc.theaimsgroup.com/?l=linux-ide&m=115957671114738&w=2

    Hopefully this will work better for you.

    Kristen
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