+
+ /* NOTE: since we are not interrupt driven in U-Boot and always
+ * handle only one URB at a time, we cannot assume the
+ * transaction finished on the first successful return from
+ * hc_interrupt().. unless the flag for current URB is set,
+ * meaning that all TD's to/from device got actually
+ * transferred and processed. If the current URB is not
+ * finished we need to re-iterate this loop so as
+ * hc_interrupt() gets called again as there needs to be some
+ * more TD's to process still */
+ if ((stat >= 0) && (stat != 0xff) && (urb_finished)) {