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
next prev parent 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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