Pavel Machek wrote: > Hi! > > This is a patch (very ugly, assumes you have just one disk) to bring > powersaving to AHCI. You need Alan's SCSI autosuspend (attached) patch > as a base. > > It saves .5W compared to config with disk spinning, and even .15W > compared to hdparm -y... on my thinkpad x60 anyway. .. There was a discussion of this here today. It makes good use of AHCI-specific features. Has it been tested with a Port-Multiplier yet? 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. Cheers _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
