diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 82338f4..138252e 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -49,7 +49,8 @@
 
 static int nousb;	/* Disable USB when built into kernel image */
 
-struct workqueue_struct *ksuspend_usb_wq;	/* For autosuspend */
+/* Workqueue for autosuspend and for remote wakeup of root hubs */
+struct workqueue_struct *ksuspend_usb_wq;
 
 #ifdef	CONFIG_USB_SUSPEND
 static int usb_autosuspend_delay = 2;		/* Default delay value,