From patchwork Fri Apr  9 15:26:52 2010
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From: Chase Douglas <chase.douglas@canonical.com>
To: kernel-team@lists.ubuntu.com
Subject: [PATCH] PCI quirk: Disable MSI on VIA K8T890 systems
Date: Fri,  9 Apr 2010 11:26:52 -0400
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From: Matthew Wilcox <matthew@wil.cx>

Bugzilla 15287 indicates that there's a problem with Message Signalled
Interrupts on VIA K8T890 systems.  Add a quirk to disable MSI on these
systems.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Tested-by: Jan Kreuzer <kontrollator@gmx.de>
Tested-by: lh <jarryson@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

cherry-picked with munging from 134b345081534235dbf228b1005c14590e0570ba

BugLink: http://bugs.launchpad.net/bugs/544741

Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
Acked-by: Andy Whitcroft <apw@canonical.com>
Acked-by: Leann Ogasawara <leann.ogasawara@canonical.com)
---
 drivers/pci/quirks.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 745ed53..462c55b 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2093,6 +2093,7 @@ static void __devinit quirk_disable_msi(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_msi);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x5a3f, quirk_disable_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, 0xa238, quirk_disable_msi);
 
 /* Go through the list of Hypertransport capabilities and
  * return 1 if a HT MSI capability is found and enabled */