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Message-Id: <200803210849.58035.oliver@neukum.org>
Date: Fri, 21 Mar 2008 08:49:56 +0100
From: Oliver Neukum <oliver@...kum.org>
To: linux-pm@...ts.linux-foundation.org
Cc: Jeff Garzik <jeff@...zik.org>, Mark Lord <liml@....ca>,
Linux-pm mailing list <linux-pm@...ts.osdl.org>,
kernel list <linux-kernel@...r.kernel.org>,
linux-ide@...r.kernel.org
Subject: Re: [linux-pm] [ugly patch] Save .15W-.5W by AHCI powersaving
Am Montag, 25. Februar 2008 23:42:58 schrieb Jeff Garzik:
> > This is cool enough that we really ought to do a hardware-independent
> > version, so that all SATA interfaces could benefit. Especially ata_piix,
> > but others too.
>
> BTW we can also save power by allowing the user to choose to disable
> hotplugging support. Then we can power down PHYs that are not in use.
Can't we power them up periodically to check for new hardware?
Regards
Oliver
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