Revert "xhci: clear root port wake on bits if controller isn't wake-up capable"

commit ff8cbf250b44 ("xhci: clear root port wake on bits if controller isn't")
can cause device detection error if runtime PM is enabled, and S3 wake
is disabled. Revert it.
https://bugzilla.kernel.org/show_bug.cgi?id=85701

This commit got into stable and should be reverted from there as well.

Cc: stable <stable@vger.kernel.org> # v3.2+
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reported-by: Dmitry Nezhevenko <dion@inhex.net>
[Mathias Nyman: reword commit message]
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 696160d48ae8..388cfd83b6b6 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;