PCI: Disable MSI for MCP55 on P5N32-E SLI (e4146bb9) · Commits · 戴 / test

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>

drivers/pci/quirks.c

+4 −3

Original line number	Diff line number	Diff line
		@@ -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;
		}
		}

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