linux-kernel - [PATCH 1/3] usb: xhci: Revert "xhci: clear root port wake on bits if controller isn't wake-up capable"

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Message-Id: <1414723138-62776-2-git-send-email-baolu.lu@linux.intel.com>
Date:	Fri, 31 Oct 2014 10:38:56 +0800
From:	Lu Baolu <baolu.lu@...ux.intel.com>
To:	Mathias Nyman <mathias.nyman@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alan Stern <stern@...land.harvard.edu>
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Lu Baolu <baolu.lu@...ux.intel.com>
Subject: [PATCH 1/3] usb: xhci: Revert "xhci: clear root port wake on bits if controller isn't wake-up capable"

This reverts commit ff8cbf250b448aac35589f6075082c3fcad8a8fe.

Commit ff8cbf250b448aac35589f6075082c3fcad8a8fe triggers the bug logged at

https://bugzilla.kernel.org/show_bug.cgi?id=85701

Reported-by: Dmitry Nezhevenko <dion@...ex.net>
Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
---
 drivers/usb/host/xhci-hub.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 696160d..388cfd8 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -22,7 +22,6 @@
 
 
 #include <linux/slab.h>
-#include <linux/device.h>
 #include <asm/unaligned.h>
 
 #include "xhci.h"
@@ -1149,9 +1148,7 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
 		 * including the USB 3.0 roothub, but only if CONFIG_PM_RUNTIME
 		 * is enabled, so also enable remote wake here.
 		 */
-		if (hcd->self.root_hub->do_remote_wakeup
-				&& device_may_wakeup(hcd->self.controller)) {
-
+		if (hcd->self.root_hub->do_remote_wakeup) {
 			if (t1 & PORT_CONNECT) {
 				t2 |= PORT_WKOC_E | PORT_WKDISC_E;
 				t2 &= ~PORT_WKCONN_E;
-- 
1.9.1

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