Re: [PATCH 3/3] PCI Hotplug: workaround for Thunderbolt on Intel DZ77RE-75K motherboard

[Rafael J. Wysocki]

On Thursday, December 13, 2012 10:49:53 PM Kirill A. Shutemov wrote:
> On Thu, Dec 13, 2012 at 12:30:04PM -0800, Linus Torvalds wrote:
> > On Thu, Dec 13, 2012 at 12:25 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> > >
> > > Linus will not be happy with those kind of delay.
> > 
> > Indeed. And the DMI check is bogus too, since the "there can be
> > delays" is apparently part of the pcie hotplug spec.
> 
> It's ACPI PCI hotplug, not PCIe native hotplug. PCIe hotplug spec is not
> relevant.
> 
> IIUC, in ACPI case devices should be ready to be enumerated, before you
> get notification. Rafael, is it correct?

Not necessarily.  The ACPI nodes will be, the device themselves are still PCI
devices. :-)

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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