USB: work around for EHCI with quirky periodic schedules

[linux-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 378861b9d79a96fe926dcf86755c984646528a22..ead5f4f2aa5a43ecf189000e9b0322888675d1a0 100644 (file)
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -111,6 +111,10 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
        switch (pdev->vendor) {
        case PCI_VENDOR_ID_INTEL:
                ehci->need_io_watchdog = 0;
+               if (pdev->device == 0x27cc) {
+                       ehci->broken_periodic = 1;
+                       ehci_info(ehci, "using broken periodic workaround\n");
+               }
                break;
        case PCI_VENDOR_ID_TDI:
                if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) {