On Mon 2008-08-25 10:55:44, Oliver Neukum wrote: > Am Montag 25 August 2008 10:19:01 schrieb Pavel Machek: > > From: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > > > > Add support for autosuspend/autoresume of the SCSI devices. Lowlevel > > driver can use it to spin the disk down... and it is neccessary step > > for powering down the controllers. > > > > Spinning down the disk is useful - saves ~0.5W here, and it is last > > major thing we can do to save power on some small machines like > > Kohjinsha subnotebooks. > > > > Signed-off-by: Pavel Machek <pavel@xxxxxxx> > > Hi, > > firstly, it doesn't consider error handling before suspending. What problems do you see with error handling? This patch does not touch the error handling, and I do not think it needs to touch it. > Secondly, it is simply not true that in SCSI suspending the disks > is always necessary before suspending the controller. Ok, will fix the changelog... but it is still true at least for USB controllers. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
