linux-kernel - Re: [patch 0/3] AHCI Link Power Management

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Message-ID: <20070613145106.GA8053@ucw.cz>
Date:	Wed, 13 Jun 2007 14:51:06 +0000
From:	Pavel Machek <pavel@....cz>
To:	Arjan van de Ven <arjan@...ux.intel.com>
Cc:	Tejun Heo <htejun@...il.com>,
	Kristen Carlson Accardi <kristen.c.accardi@...el.com>,
	jeff@...zik.org, james.bottomley@...eleye.com,
	linux-ide@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, Jens Axboe <jens.axboe@...cle.com>
Subject: Re: [patch 0/3] AHCI Link Power Management

Hi!

> >Yeah, it was some Lenovo notebook.  Pavel is more 
> >familiar with the
> >hardware.  Pavel, what was the notebook which didn't 
> >save much power
> >with standard SATA power save but needed port to be 
> >completely turned off?
> 
> Pavel, if you have time, could you measure this with 
> Kristen's patch?

Kristen has same machine as me, and I have seen similar '1W' saving
with previous version of the patch. I'd trust her results.

							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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