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

Oliver Neukum
2008-03-21T07:49:56Z

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