tspeed = speed;
                break;
        default:
-               printf("ULPI: %s: wrong transceiver speed specified, "
-                       "falling back to full speed\n", __func__);
+               printf("ULPI: %s: wrong transceiver speed specified: %u, "
+                       "falling back to full speed\n", __func__, speed);
        }
 
        val = ulpi_read(ulpi_viewport, &ulpi->function_ctrl);
                topmode = opmode;
                break;
        default:
-               printf("ULPI: %s: wrong OpMode specified, "
-                       "falling back to OpMode Normal\n", __func__);
+               printf("ULPI: %s: wrong OpMode specified: %u, "
+                       "falling back to OpMode Normal\n", __func__, opmode);
        }
 
        val = ulpi_read(ulpi_viewport, &ulpi->function_ctrl);
        case ULPI_IFACE_3_PIN_SERIAL_MODE:
                break;
        default:
-               printf("ULPI: %s: unrecognized Serial Mode specified\n",
-                       __func__);
+               printf("ULPI: %s: unrecognized Serial Mode specified: %u\n",
+                       __func__, smode);
                return ULPI_ERROR;
        }