Commit ef83b0781a73f (PCI: Remove from bus_list and release resources in pci_release_dev()) broke TBT hotplug

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Hi,

The latest mainline kernel "hangs" when Thunderbolt devices are
hot-unplugged to the system. I can't see any oops but after hot-unplug I'm
getting huge amounts of messages like:

[  352.717001] pci 0000:02:00.0: PME# disabled
[  352.717011] pci 0000:02:00.0: PME# disabled
[  352.717021] pci 0000:02:00.0: PME# disabled
[  352.717032] pci 0000:02:00.0: PME# disabled
[  352.717041] pci 0000:02:00.0: PME# disabled
[  352.717051] pci 0000:02:00.0: PME# disabled
[  352.717061] pci 0000:02:00.0: PME# disabled
[  352.717070] pci 0000:02:00.0: PME# disabled
[  352.717083] pci 0000:02:00.0: PME# disabled
[  352.717094] pci 0000:02:00.0: PME# disabled
[  352.717104] pci 0000:02:00.0: PME# disabled
[  352.717113] pci 0000:02:00.0: PME# disabled
[  352.717124] pci 0000:02:00.0: PME# disabled
[  352.717133] pci 0000:02:00.0: PME# disabled
[  352.717143] pci 0000:02:00.0: PME# disabled
[  352.717153] pci 0000:02:00.0: PME# disabled
[  352.717162] pci 0000:02:00.0: PME# disabled

and then the system becomes really unresponsive.

Reverting the commit in $subject makes TBT work again.

Please let me know if you need any additional information. The system I'm
testing on is Intel NUC.

Thanks.
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