Am Donnerstag, 28. April 2005 17:24 schrieb Alan Stern:
> On Thu, 28 Apr 2005, Oliver Neukum wrote:
>
> > Am Donnerstag, 28. April 2005 02:26 schrieb David Brownell:
> > > On Wednesday 27 April 2005 2:32 pm, Alan Stern wrote:
> > > >
> > > > That's not in question. The issue is: Out of all the drivers floating
> > > > around, which one should decide when a particular device can be
> > > > suspended
> > > > for lack of activity?
> > >
> > > Erm, not just _one_ can do it. Certainly any interface's driver can know
> > > that it's now idle; for example, if a network interface is down, that
> > > particular interface can be suspended (then resumed later as needed).
> >
> > Please consider scsi. It has no idea about what is going on.
>
> In principle this shouldn't matter. If a device is autosuspended then it
> should autoresume whenever a new request (such as a new SCSI command)
> arrives.
Provided that you know when you can safely autosuspend. And provided
you can restore the full state. I doubt you can with scsi because the driver
doesn't understand the commands.
Regards
Oliver
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