PCI: Restore ACS configuration as part of pci_restore_state()

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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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Alexander Duyck 2015-07-07 12:24:35 -07:00 • committed by Bjorn Helgaas

parent bc0195aad0

commit ccbc175aad

1 changed files with 3 additions and 0 deletions

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drivers/pci/pci.c

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