Re: [PATCH] PCI: Add pci shutdown ability

Pavel Machek
2005-04-25T21:34:19Z

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".
>
> Then why even have the device_shutdown() call and notifier in the struct
> device_driver?

Yes, I guess it is redundant. Perhaps it should be removed...

Pavel
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