diff --git a/[refs] b/[refs]
index 48ae8a5e25e1..b8291a81dbe4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b15a762f02acb4f1e695a17435f719350f9d5bc1
+refs/heads/master: d1e3d757f7aa91f15db347fc05ffd7ef7f413091
diff --git a/trunk/drivers/usb/usb-common.c b/trunk/drivers/usb/usb-common.c
index d29503e954ab..070b681e5d17 100644
--- a/trunk/drivers/usb/usb-common.c
+++ b/trunk/drivers/usb/usb-common.c
@@ -32,4 +32,25 @@ const char *usb_speed_string(enum usb_device_speed speed)
 }
 EXPORT_SYMBOL_GPL(usb_speed_string);
 
+const char *usb_state_string(enum usb_device_state state)
+{
+	static const char *const names[] = {
+		[USB_STATE_NOTATTACHED] = "not attached",
+		[USB_STATE_ATTACHED] = "attached",
+		[USB_STATE_POWERED] = "powered",
+		[USB_STATE_RECONNECTING] = "reconnecting",
+		[USB_STATE_UNAUTHENTICATED] = "unauthenticated",
+		[USB_STATE_DEFAULT] = "default",
+		[USB_STATE_ADDRESS] = "addresssed",
+		[USB_STATE_CONFIGURED] = "configured",
+		[USB_STATE_SUSPENDED] = "suspended",
+	};
+
+	if (state < 0 || state >= ARRAY_SIZE(names))
+		return "UNKNOWN";
+
+	return names[state];
+}
+EXPORT_SYMBOL_GPL(usb_state_string);
+
 MODULE_LICENSE("GPL");
diff --git a/trunk/include/linux/usb/ch9.h b/trunk/include/linux/usb/ch9.h
index 9c210f2283df..27603bcbb9b9 100644
--- a/trunk/include/linux/usb/ch9.h
+++ b/trunk/include/linux/usb/ch9.h
@@ -43,4 +43,13 @@
  */
 extern const char *usb_speed_string(enum usb_device_speed speed);
 
+
+/**
+ * usb_state_string - Returns human readable name for the state.
+ * @state: The state to return a human-readable name for. If it's not
+ *	any of the states devices in usb_device_state_string enum,
+ *	the string UNKNOWN will be returned.
+ */
+extern const char *usb_state_string(enum usb_device_state state);
+
 #endif /* __LINUX_USB_CH9_H */