[OpenBIOS] usb driver to support usb keyboard

[Programmingkid]

On May 2, 2014, at 4:56 PM, BALATON Zoltan wrote:

> On Fri, 2 May 2014, Tarl Neustaedter wrote:
>> Have you looked at Openfirmware's Forth USB driver?
> 
> I have now but I'm not fluent in Forth so I'm afraid I cannot adapt that to OpenBIOS.
> 
> On Fri, 2 May 2014, Programmingkid wrote:
>> Could you provide a zip file?
> 
> Why can't you open the tar.xz file?

I'm not sure. Maybe the file format is too new for my software.

> 
>> I think I found a way to use the GPLv3 code. According to the licensing section at the openfirmware.info site, the license applied to OpenBIOS is GPLv2 or later. Here is my source: http://www.openfirmware.info/About:License
>> 
>> Here is the the quote from that page:
>> 
>> This program is free software; you can redistribute it and/or
>> modify it under the terms of the GNU General Public License
>> as published by the Free Software Foundation; either version 2
>> of the License, or (at your option) any later version.
>> 
>> This means we can use the GPLv3 licensed code since it applies to the "any later version" clause. If the Grub or SeaBIOS code is good, feel free to use it.
> 
> But the beginning of the page that is relevant here says:
> "OpenBIOS is covered by the General Public License V2."
> 
> as well as license and headers in some files I've looked at in the source don't mention "any later version" so currently it is GPLv2 only in my understanding so I think it cannot be mixed with GPLv3.

What is the worst that can happen if you do mix GPLv2 code with GPLv3 code?