Re: [PATCH] AHCI powersaving and port-stopping (2.6.22-rc4)

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This is very different from the patch I posted a while ago turning on
a few bits in the CMD register (ALPE and ASP) and which Intel is

we've not seen a patch that actually works in this area unfortunately. We know Kristen's patch does work

apparently now trying. That only saves around 250mW. Tejun's patch

.. and saves close to a watt on a laptop in our measurements

the patch is available on
http://www.kernel.org/pub/linux/kernel/people/kristen/patches/SATA/alpm/

maybe worth a try as well..
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