Fix for USB wakeup issue https://lkml.org/lkml/fancy/2011/4/20/440

packages/linux/patches/linux-2.6.39-rc4-720_usb-wakeup.patch

@@ -0,0 +1,31 @@
+===================================================================
+--- linux-2.6.orig/drivers/base/power/main.c
++++ linux-2.6/drivers/base/power/main.c
+@@ -63,6 +63,7 @@ void device_pm_init(struct device *dev)
+ 	dev->power.wakeup = NULL;
+ 	spin_lock_init(&dev->power.lock);
+ 	pm_runtime_init(dev);
++	INIT_LIST_HEAD(&dev->power.entry);
+ }
+ 
+ /**
+Index: linux-2.6/drivers/base/power/wakeup.c
+===================================================================
+--- linux-2.6.orig/drivers/base/power/wakeup.c
++++ linux-2.6/drivers/base/power/wakeup.c
+@@ -258,7 +258,7 @@ void device_set_wakeup_capable(struct de
+ 	if (!!dev->power.can_wakeup == !!capable)
+ 		return;
+ 
+-	if (device_is_registered(dev)) {
++	if (device_is_registered(dev) && !list_empty(&dev->power.entry)) {
+ 		if (capable) {
+ 			if (wakeup_sysfs_add(dev))
+ 				return;
+--
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