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authorAndiry Xu <andiry.xu@amd.com>2011-04-27 18:07:35 +0800
committerSarah Sharp <sarah.a.sharp@linux.intel.com>2011-05-02 16:42:52 -0700
commit85387c0ea3e1cd85ad9d7215917ff5e71ca2aea3 (patch)
tree2f6baf957432db40d719f21a17fce4a1d1208ff3 /drivers/usb/host/xhci-hub.c
parenta11496ebf37534177d67222285e8debed7a39788 (diff)
downloadlinux-linaro-stable-85387c0ea3e1cd85ad9d7215917ff5e71ca2aea3.tar.gz
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>
Diffstat (limited to 'drivers/usb/host/xhci-hub.c')
-rw-r--r--drivers/usb/host/xhci-hub.c5
1 files changed, 5 insertions, 0 deletions
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;