xHCI: Clear link state change support
This patch adds support for Clear Port Feature(C_PORT_LINK_STATE)
request from usbcore.
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 1ab7f2e..f3bafba 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -361,6 +361,10 @@
status = PORT_PLC;
port_change_bit = "suspend/resume";
break;
+ case USB_PORT_FEAT_C_PORT_LINK_STATE:
+ status = PORT_PLC;
+ port_change_bit = "link state";
+ break;
default:
/* Should never happen */
return;
@@ -639,6 +643,7 @@
case USB_PORT_FEAT_C_CONNECTION:
case USB_PORT_FEAT_C_OVER_CURRENT:
case USB_PORT_FEAT_C_ENABLE:
+ case USB_PORT_FEAT_C_PORT_LINK_STATE:
xhci_clear_port_change_bit(xhci, wValue, wIndex,
port_array[wIndex], temp);
break;