Re: [RFC Add no_suspend attribute V2] Let the driver know if it's in use

["Rafael J. Wysocki" <rjw@sisk.pl>]

On Thursday 23 July 2009, Michael Trimarchi wrote:
> Alan Stern wrote:
> > On Thu, 23 Jul 2009, Rafael J. Wysocki wrote:
> >
> >   
> >>> I follow the discussion around the new runtime support and I would like 
> >>> to know if I can
> >>> add to the new interface the no_suspend flag or maybe now there is a 
> >>> better solution.
> >>>       
> >> Hmm.  Do I remember correctly that the no_suspend flag is for preventing the
> >> system-wide suspend in case some devices are in use?
> >>     
> >
> > As I recall, the no_suspend flag was used to mark a few devices which
> > should not be powered down during an otherwise normal system sleep.
> >
> > For example, you might want to suspend the computer while leaving a
> > built-in DVB tuner on because the tuner is attached to an external TV
> > set.
> >
> > Alan Stern
> >   
> Is it ok for you if a prepare only the patch the add the flag and let 
> the user space
> and the driver to use it?

It seems unrelated to the run-time framework, so I think we can add that flag.

Please post the patch.

Best,
Rafael