diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index cc42972..74df0db 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -59,17 +59,17 @@
 
 static inline void mark_active(struct usb_interface *f)
 {
-	f->dev.power.power_state.event = PM_EVENT_ON;
+	f->is_active = 1;
 }
 
 static inline void mark_quiesced(struct usb_interface *f)
 {
-	f->dev.power.power_state.event = PM_EVENT_FREEZE;
+	f->is_active = 0;
 }
 
 static inline int is_active(struct usb_interface *f)
 {
-	return f->dev.power.power_state.event == PM_EVENT_ON;
+	return f->is_active;
 }
 
 
diff --git a/include/linux/usb.h b/include/linux/usb.h
index b4ccce6..e22f4b3 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -102,6 +102,7 @@
  *	number from the USB core by calling usb_register_dev().
  * @condition: binding state of the interface: not bound, binding
  *	(in probe()), bound to a driver, or unbinding (in disconnect())
+ * @is_active: flag set when the interface is bound and not suspended.
  * @dev: driver model's view of this device
  * @class_dev: driver model's class view of this device.
  *
@@ -142,6 +143,8 @@
 	int minor;			/* minor number this interface is
 					 * bound to */
 	enum usb_interface_condition condition;		/* state of binding */
+	unsigned is_active:1;		/* the interface is not suspended */
+
 	struct device dev;		/* interface specific device info */
 	struct class_device *class_dev;
 };