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PCI: Restore ACS configuration as part of pci_restore_state()
Previously we did not restore ACS state after a PCIe reset. This meant that we could not reassign interfaces after a system suspend because the D0->D3 transition disabled ACS, and we didn't restore it when going back to D0. Restore ACS configuration in pci_restore_state(). [bhelgaas: changelog] Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: Allen Kay <allen.m.kay@intel.com> CC: Chris Wright <chris@sous-sol.org> CC: Alex Williamson <alex.williamson@redhat.com>
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@ -1092,6 +1092,9 @@ void pci_restore_state(struct pci_dev *dev)
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pci_restore_pcix_state(dev);
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pci_restore_msi_state(dev);
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/* Restore ACS and IOV configuration state */
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pci_enable_acs(dev);
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pci_restore_iov_state(dev);
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dev->state_saved = false;
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