xhci: Add missing CAS workaround for Intel Sunrise Point xHCI
authorMathias Nyman <mathias.nyman@linux.intel.com>
Mon, 1 Oct 2018 15:36:07 +0000 (18:36 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 13 Oct 2018 07:18:55 +0000 (09:18 +0200)
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@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-pci.c

index f6782a3..b514055 100644 (file)
@@ -179,6 +179,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
        }
        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;