> But won't that squat the I/O address and prevent me from using all the > other codes via the regular serial port ? Nope. That driver hijacks the serial port during shutdown to actually turn the power off. The rest of the time, it does not touch the serial port. Userspace, or the rest of the kernel is free to use it. Andrew -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html