[PATCH 4.18 21/34] usb: xhci: pci: Enable Intel USB role mux on Apollo Lake platforms

From: Greg Kroah-Hartman
Date: Thu Nov 08 2018 - 17:12:23 EST


4.18-stable review patch. If anyone has any objections, please let me know.

------------------

From: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>

commit c02588a352defaf985fc1816eb6232663159e1b8 upstream.

Intel Apollo Lake has the same internal USB role mux as
Intel Cherry Trail.

Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/usb/host/xhci-pci.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -179,10 +179,12 @@ static void xhci_pci_quirks(struct devic
xhci->quirks |= XHCI_PME_STUCK_QUIRK;
}
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
- pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI) {
+ pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI)
xhci->quirks |= XHCI_SSIC_PORT_UNUSED;
+ if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
+ (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
+ pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI))
xhci->quirks |= XHCI_INTEL_USB_ROLE_SW;
- }
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
(pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI ||