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Date:	Mon, 31 Mar 2014 12:21:38 -0600
From:	Alex Williamson <>
	Don Dugger <>
Subject: [PATCH] PCI: Add Patsburg (X79) to Intel PCH root port ACS quirk

Intel has updated Red Hat bz1037684 to note that X79 PCH root ports
also provide isolation and the same ACS quirks apply.  Some sources
indicate additional device IDs for X79, but this patch includes only
the ones specifically identified by Intel:

Signed-off-by: Alex Williamson <>
Cc: Don Dugger <>
 drivers/pci/quirks.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index e729206..5e4ac63 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3453,6 +3453,8 @@ static const u16 pci_quirk_intel_pch_acs_ids[] = {
 	/* Wildcat PCH */
 	0x9c90, 0x9c91, 0x9c92, 0x9c93, 0x9c94, 0x9c95, 0x9c96, 0x9c97,
 	0x9c98, 0x9c99, 0x9c9a, 0x9c9b,
+	/* Patsburg (X79) PCH */
+	0x1d10, 0x1d12, 0x1d14, 0x1d16, 0x1d18, 0x1d1a, 0x1d1c, 0x1d1e,
 static bool pci_quirk_intel_pch_acs_match(struct pci_dev *dev)

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