Re: [linux-pm] [ugly patch] Save .15W-.5W by AHCI powersaving

From: Oliver Neukum
Date: Fri Mar 21 2008 - 09:20:23 EST


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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