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authorAndreas Petlund <andreas@petlund.no>2008-11-20 20:42:25 -0800
committerDavid S. Miller <davem@davemloft.net>2008-11-20 20:42:25 -0800
commit75e07fc3d87ba9b3255e1fcd735186a533ea0754 (patch)
treee2501f0af76c39386521bca12e00e87eff196947 /drivers/pci/quirks.c
parent13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff)
downloadop-kernel-dev-75e07fc3d87ba9b3255e1fcd735186a533ea0754.zip
op-kernel-dev-75e07fc3d87ba9b3255e1fcd735186a533ea0754.tar.gz
pci: Added quirk to disable msi for MCP55 NIC on Asus P5N32-SLI Premium
Signed-off-by: Andreas Petlund <andreas@petlund.no> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 5049a47..5f4f85f 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -22,6 +22,7 @@
#include <linux/delay.h>
#include <linux/acpi.h>
#include <linux/kallsyms.h>
+#include <linux/dmi.h>
#include "pci.h"
int isa_dma_bridge_buggy;
@@ -1828,6 +1829,22 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SERVERWORKS,
PCI_DEVICE_ID_SERVERWORKS_HT1000_PXB,
ht_enable_msi_mapping);
+/* The P5N32-SLI Premium motherboard from Asus has 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")) {
+ dev_info(&dev->dev,
+ "Disabling msi for MCP55 NIC on P5N32-SLI Premium\n");
+ dev->no_msi = 1;
+ }
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_NVIDIA,
+ PCI_DEVICE_ID_NVIDIA_NVENET_15,
+ nvenet_msi_disable);
+
static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev)
{
struct pci_dev *host_bridge;
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