4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> commit ffe84e01bb1b38c7eb9c6b6da127a6c136d251df upstream. The workaround for missing CAS bit is also needed for xHC on Intel sunrisepoint PCH. For more details see: Intel 100/c230 series PCH specification update Doc #332692-006 Errata #8 Cc: <stable@xxxxxxxxxxxxxxx> Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/host/xhci-pci.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -179,6 +179,8 @@ static void xhci_pci_quirks(struct devic } if (pdev->vendor == PCI_VENDOR_ID_INTEL && (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_DNV_XHCI)) xhci->quirks |= XHCI_MISSING_CAS;