We expect devices with endpoint scope to have normal PCI headers,
and devices with bridge scope to have bridge PCI headers. However
Some PCI devices may be listed in the DMAR table with bridge scope,
even though they have a normal PCI header. Add a quirk flag for
those special devices.
Cc: Roland Dreier <roland@xxxxxxxxxxxxxxx>
Cc: Jim Yan <jimyan@xxxxxxxxx>
Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
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