USB: EHCI: Disable langwell/penwell LPM capability

[net-next-2.6.git] / drivers / usb / host / ehci-pci.c

diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 58b72d741d9313b1f393a033cd0ed4cb89ad32ac..a1e8d273103f77b2d237a5f68438b289b51bb92a 100644 (file)
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -119,6 +119,11 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
                        ehci->broken_periodic = 1;
                        ehci_info(ehci, "using broken periodic workaround\n");
                }
+               if (pdev->device == 0x0806 || pdev->device == 0x0811
+                               || pdev->device == 0x0829) {
+                       ehci_info(ehci, "disable lpm for langwell/penwell\n");
+                       ehci->has_lpm = 0;
+               }
                break;
        case PCI_VENDOR_ID_TDI:
                if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) {