> I wonder if it would just be simpler to make it be a CONFIG option > which causes the irq value to zero in arch/x86/include/asm/serial.h? That assumes x86 and legacy ports. For modern boxes its data from elsewhere Devicetree folks can just set up their devicetree that way, the ACPI afflicted can't force the IRQ at the boot line just the port. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html