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Commit c096f5c4 authored by Mathias Nyman's avatar Mathias Nyman Committed by Greg Kroah-Hartman
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xhci: Add missing CAS workaround for Intel Sunrise Point xHCI 



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: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ec6ae632

drivers/usb/host/xhci-pci.c

+2 −0
Original line number Diff line number Diff line
@@ -196,6 +196,8 @@ 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;