Hi!
> > > Well it seems that people are starting to want to hook the reboot
> > > notifier, or the device shutdown facility in order to properly shutdown
> > > pci drivers to make kexec work nicer.
> > >
> > > So here's a patch for the PCI core that allows pci drivers to now just
> > > add a "shutdown" notifier function that will be called when the system
> > > is being shutdown. It happens just after the reboot notifier happens,
> > > and it should happen in the proper device tree order, so everyone should
> > > be happy.
> > >
> > > Any objections to this patch?
> >
> > Yes.
> >
> > I believe it should just do suspend(PMSG_SUSPEND) before system
> > shutdown. If you think distintion between shutdown and suspend is
> > important (I am not 100% convinced it is), we can just add flag
> > saying "this is system shutdown".
>
> So if I understand this correctly, you'd like to manually turn off devices
> during a power off. I believe the ACPI spec recommends this for S4 (but also
> to leave on wake devices), but not necessarily S5. Still it may be a good
> idea. Comments?
It is neccessary for some machines (interrupt controller) or machine
will not power down...
> > Actually this patch should be in the queue somewhere... We had it in
> > suse trees for a long time, and IMO it can solve problem easily.
>
> Yeah, that's what I had in mind when I mentioned PMSG_FREEZE. It seems
> to replace "shutdown" in many ways, is this correct?
Yes. (Actually I'm not sure if PMSG_FREEZE or PMSG_SUSPEND is right
thing to do for suspend.)
Pavel
--
Boycott Kodak -- for their patent abuse against Java.
-------------------------------------------------------
SF email is sponsored by - The IT Product Guide
Read honest & candid reviews on hundreds of IT Products from real users.
Discover which products truly live up to the hype. Start reading now.
http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click
_______________________________________________
linux-usb-devel@lists.sourceforge.net
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
