1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 149b13fc0a71..2507e898af09 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -549,7 +549,9 @@ static int ehci_start (struct usb_hcd *hcd)
                 hcd->can_wakeup = (port_wake & 1) != 0;
 
                 /* help hc dma work well with cachelines */
-                pci_set_mwi (pdev);
+                retval = pci_set_mwi(pdev);
+                if (retval)
+                        ehci_dbg(ehci, "unable to enable MWI - not fatal.\n");
         }
 #endif