From 85387c0ea3e1cd85ad9d7215917ff5e71ca2aea3 Mon Sep 17 00:00:00 2001 From: Andiry Xu Date: Wed, 27 Apr 2011 18:07:35 +0800 Subject: 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 Signed-off-by: Sarah Sharp --- drivers/usb/host/xhci-hub.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/usb/host/xhci-hub.c') diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 1ab7f2e2c05f..f3bafba4b5c6 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -361,6 +361,10 @@ static void xhci_clear_port_change_bit(struct xhci_hcd *xhci, u16 wValue, 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 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, 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; -- cgit v1.2.3