[PATCH 4.9 11/35] xhci: Add missing CAS workaround for Intel Sunrise Point xHCI
From: Greg Kroah-Hartman
Date: Thu Oct 11 2018 - 11:43:00 EST
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;