docs

linux/ipcore/PapbVcInterface.cpp

@@ -35,7 +35,7 @@ ReturnValue_t PapbVcInterface::write(const uint8_t* data, size_t size) {
   }
   for (size_t idx = 0; idx < size; idx++) {
     // This delay is super-important, DO NOT REMOVE!
-    // Polling the GPIO
+    // Polling the GPIO too often can mess up the scheduler.
     nanosleep(&BETWEEN_POLL_DELAY, &remDelay);
     if (pollPapbBusySignal(2) == returnvalue::OK) {
       *(vcBaseReg + DATA_REG_OFFSET) = static_cast<uint32_t>(data[idx]);