From: Lan Tianyu <tianyu.lan@intel.com>
Date: Wed, 5 Sep 2012 05:44:35 +0000 (+0800)
Subject: xhci: Handle clear PORT_POWER feature.
X-Git-Tag: v3.7-rc1~171^2~147
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=693d8eb853f62a1341cf59df151b12c053f34e8a;p=linux.git

xhci: Handle clear PORT_POWER feature.

This patch makes the xHCI roothub code handle the clear PORT_POWER
feature request.  Setting port power is already handled.

Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 74bfc868b7ad..03032b3e6ed2 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -865,6 +865,10 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			xhci_disable_port(hcd, xhci, wIndex,
 					port_array[wIndex], temp);
 			break;
+		case USB_PORT_FEAT_POWER:
+			xhci_writel(xhci, temp & ~PORT_POWER,
+				port_array[wIndex]);
+			break;
 		default:
 			goto error;
 		}