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From: Alex Williamson <>
Subject: [PATCH] PCI: ACS quirks for Intel 9-series PCH root ports
Date: Fri, 01 May 2015 13:20:13 -0600	[thread overview]
Message-ID: <20150501191925.1863.71223.stgit@gimli.home> (raw)

Intel confirms that 9-series chipset root ports provide ACS-equivalent
isolation when configured via the existing Intel PCH ACS quirk setup.

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 c6dc1df..f126bd6 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3740,6 +3740,8 @@ static const u16 pci_quirk_intel_pch_acs_ids[] = {
 	/* Wellsburg (X99) PCH */
 	0x8d10, 0x8d11, 0x8d12, 0x8d13, 0x8d14, 0x8d15, 0x8d16, 0x8d17,
 	0x8d18, 0x8d19, 0x8d1a, 0x8d1b, 0x8d1c, 0x8d1d, 0x8d1e,
+	/* Lynx Point (9 series) PCH */
+	0x8c90, 0x8c92, 0x8c94, 0x8c96, 0x8c98, 0x8c9a, 0x8c9c, 0x8c9e,
 static bool pci_quirk_intel_pch_acs_match(struct pci_dev *dev)

             reply	other threads:[~2015-05-01 19:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-01 19:20 Alex Williamson [this message]
2015-05-01 20:37 ` Dugger, Donald D
2015-05-15 22:57 ` Bjorn Helgaas

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