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PCI: Disable MSI for MCP55 on P5N32-E SLI

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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@smartjog.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: stable@kernel.org
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Ben Hutchings 2010-05-16 02:28:49 +01:00 committed by Jesse Barnes
parent 33852cb03e
commit e4146bb908
1 changed files with 4 additions and 3 deletions
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7
drivers/pci/quirks.c
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@ -2218,15 +2218,16 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SERVERWORKS,
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;
}
}