1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index 15013f4519ad..a5e2eb85d073 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -111,6 +111,18 @@ static int ohci_quirk_toshiba_scc(struct usb_hcd *hcd)
 #endif
 }
 
+/* Check for NEC chip and apply quirk for allegedly lost interrupts.
+ */
+static int ohci_quirk_nec(struct usb_hcd *hcd)
+{
+        struct ohci_hcd *ohci = hcd_to_ohci (hcd);
+
+        ohci->flags |= OHCI_QUIRK_NEC;
+        ohci_dbg (ohci, "enabled NEC chipset lost interrupt quirk\n");
+
+        return 0;
+}
+
 /* List of quirks for OHCI */
 static const struct pci_device_id ohci_pci_quirks[] = {
         {
@@ -134,6 +146,10 @@ static const struct pci_device_id ohci_pci_quirks[] = {
                 .driver_data = (unsigned long)ohci_quirk_toshiba_scc,
         },
         {
+                PCI_DEVICE(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB),
+                .driver_data = (unsigned long)ohci_quirk_nec,
+        },
+        {
                 /* Toshiba portege 4000 */
                 .vendor         = PCI_VENDOR_ID_AL,
                 .device         = 0x5237,