Hi, I've tried to get hold of Tejun's port stopping patch, but could not find a patch against 2.6.21 or 2.6.22 (and I don't think I could port the one I found). Could you post the patch you used?
Thanks! Regards, Stefan -------- Original-Nachricht -------- Datum: Thu, 14 Jun 2007 20:57:54 +0300 Von: "Török Edvin" <[EMAIL PROTECTED]> An: [email protected] Betreff: Re: [PATCH] AHCI powersaving and port-stopping (2.6.22-rc4) > On 6/14/07, rami jiossy <[EMAIL PROTECTED]> wrote: > > > > i've tried the attached patch for kernel 2.6.22-rc4. it saves around > ~1W. > > I have tried a combination of Kristen's ALPM patch, and Tejun's port > stopping patch. > It saves 1.2W iff: > * link_power_management_policy is min_power > * /sys/module/libata/parameters/powersave is 2 (DIPS), or 5 (DIPS/static) > > If I turn off link_power_management (set to max_performance) the > system looses connection with my sata device completely (need to > reboot to regain). > > If I use anything else but powersave modes 2 or 5 I get no powersavings at > all. > > Would it be worth integrating powersave mode 2 (DIPS) into the ALPM patch? > > > P.S.: the ahci force enable patch still has some issues: spurious IRQs > sometimes, and > IDE devices gone. I've managed to enable the IDE controller > separately, allocate resources, but libata can't communicate with it > yet. Also it doesn't seem to work on ICH6 at all, only ICH7. > An updated version is available here: > http://edwintorok.googlepages.com/patch_ahci.patch. > > Best regards, > --Edwin > _______________________________________________ > Power mailing list > [email protected] > http://www.bughost.org/mailman/listinfo/power -- GMX FreeMail: 1 GB Postfach, 5 E-Mail-Adressen, 10 Free SMS. Alle Infos und kostenlose Anmeldung: http://www.gmx.net/de/go/freemail _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
