1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 1a7c48d71dc7..9104671e4b72 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2166,6 +2166,10 @@ static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev)
         int pos;
         int found;
 
+        /* Enabling HT MSI mapping on this device breaks MCP51 */
+        if (dev->device == 0x270)
+                return;
+
         /* check if there is HT MSI cap or enabled on this device */
         found = ht_check_msi_mapping(dev);