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SubjectRe: [patch 3/4] Enable link power management for ata drivers
On 8/1/07, Tejun Heo <> wrote:
> >
> > + if (ata_id_has_hipm(dev->id) || ata_id_has_dipm(dev->id))
> > + dev->flags |= ATA_DFLAG_IPM;
> Is it safe to use ALPM on a device which only claims to support DIPM?

I have tested on a Dell Inspiron 6400, it has ICH7-M (82801GBM) chipset.
The harddisk claims to support only DIPM, and the ALPM patches work with it.
Kristen said either DIPM or HIPM will work with ALPM accord to the
spec, see this email:

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