- * If the firmware was recently uploaded, wait up to MAX_RENUM_DELAY_MS
- * milliseconds for the FX2 to renumerate.
+ * When the sigrok driver recently uploaded firmware, wait for
+ * the FX2 to re-enumerate. Deal with the condition that the
+ * MCU can take some 2000ms to be gone from the bus before it
+ * re-appears executing the recently uploaded firmware.