From: Oliver Neukum <oliver@neukum.org>
To: linux-pm@lists.linux-foundation.org
Cc: linux-ide@vger.kernel.org,
Linux-pm mailing list <linux-pm@lists.osdl.org>,
kernel list <linux-kernel@vger.kernel.org>,
Jeff Garzik <jeff@garzik.org>, Mark Lord <liml@rtr.ca>
Subject: Re: [ugly patch] Save .15W-.5W by AHCI powersaving
Date: Fri, 21 Mar 2008 08:49:56 +0100 [thread overview]
Message-ID: <200803210849.58035.oliver@neukum.org> (raw)
In-Reply-To: <47C34472.3090706@garzik.org>
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
prev parent reply other threads:[~2008-03-21 7:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-25 13:45 [ugly patch] Save .15W-.5W by AHCI powersaving Pavel Machek
2008-02-25 22:26 ` Mark Lord
2008-02-25 22:34 ` Pavel Machek
2008-02-26 15:52 ` Mark Lord
2008-02-26 21:49 ` Pavel Machek
2008-02-25 22:42 ` Jeff Garzik
2008-02-26 16:21 ` Matthew Garrett
2008-03-21 7:49 ` Oliver Neukum [this message]
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