linux-kernel - [071/200] PCI: Disable MSI for MCP55 on P5N32-E SLI

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Message-Id: <20100701174252.406886848@clark.site>
Date:	Thu, 01 Jul 2010 10:42:41 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Ben Hutchings <ben@...adent.org.uk>,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: [071/200] PCI: Disable MSI for MCP55 on P5N32-E SLI

2.6.34-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ben Hutchings <ben@...adent.org.uk>

commit e4146bb9088c01c8b6e82be11f0c371f8aff023c upstream.

As reported in <http://bugs.debian.org/552299>, MSI appears to be
broken for this on-board device.  We already have a quirk for the
P5N32-SLI Premium; extend it to cover both variants of the board.

Reported-by: Romain DEGEZ <romain.degez@...rtjog.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
Signed-off-by: Jesse Barnes <jbarnes@...tuousgeek.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/pci/quirks.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2219,15 +2219,16 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8132_BRIDGE,
 			 ht_enable_msi_mapping);
 
-/* The P5N32-SLI Premium motherboard from Asus has a problem with msi
+/* The P5N32-SLI motherboards from Asus have a problem with msi
  * for the MCP55 NIC. It is not yet determined whether the msi problem
  * also affects other devices. As for now, turn off msi for this device.
  */
 static void __devinit nvenet_msi_disable(struct pci_dev *dev)
 {
-	if (dmi_name_in_vendors("P5N32-SLI PREMIUM")) {
+	if (dmi_name_in_vendors("P5N32-SLI PREMIUM") ||
+	    dmi_name_in_vendors("P5N32-E SLI")) {
 		dev_info(&dev->dev,
-			 "Disabling msi for MCP55 NIC on P5N32-SLI Premium\n");
+			 "Disabling msi for MCP55 NIC on P5N32-SLI\n");
 		dev->no_msi = 1;
 	}
 }


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