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From: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
To: "Jeffrey W. Baker" <jwbaker@gmail.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: [patch 1/2] allow user to power off unused ports via sysfs
Date: Mon, 29 Sep 2008 16:49:13 -0700	[thread overview]
Message-ID: <20080929164913.6489445c@appleyard> (raw)
In-Reply-To: <1222639114.12062.10.camel@hannibal>

On Sun, 28 Sep 2008 14:58:34 -0700
"Jeffrey W. Baker" <jwbaker@gmail.com> wrote:

> 
> The problem is I didn't save any power this way :(  ThinkPad X61t was
> using minimum 7.6W on a one-minute average before power_off, and same
> power after power_off.  I'd been led to believe that disabling these
> ports would have a substantial power saving effect.
> 
> -jwb
> 

Hi Jeffrey - the reason you are not seeing any power savings is 
that this patch isn't actually powering off the ports.  I swear this
used to work... but I confirmed today it is not doing what it is
supposed to do.  I'll send out a reworked patch as soon as I figure
out what the problem is.

Kristen


  reply	other threads:[~2008-09-29 23:49 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-28 21:58 [patch 1/2] allow user to power off unused ports via sysfs Jeffrey W. Baker
2008-09-29 23:49 ` Kristen Carlson Accardi [this message]
2008-10-15 16:43   ` Kristen Carlson Accardi
     [not found] <20080702225743.518230210@intel.com>
2008-07-02 23:14 ` kristen.c.accardi
2008-07-04 12:58   ` Jeff Garzik
2008-07-11 13:50   ` Jeff Garzik

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