tree 8d5adc040423e0c4bd7374a4f4679c8e238f337b
parent a4f4fa681add289ebfec6d776376ad7a2ffda669
author CQ Tang <cq.tang@intel.com> 1496161549 -0700
committer Bjorn Helgaas <bhelgaas@google.com> 1496176850 -0500

PCI: Restore PRI and PASID state after Function-Level Reset

After a Function-Level Reset, PCI states need to be restored.  Save PASID
features and PRI reqs cached.

[bhelgaas: search for capability only if PRI/PASID were enabled]
Signed-off-by: CQ Tang <cq.tang@intel.com>
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Jean-Phillipe Brucker <jean-philippe.brucker@arm.com>
Cc: David Woodhouse <dwmw2@infradead.org>