Re: [ptxdist] [PATCH v3] tf-a: new package for ARM trusted firmware A

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

Hi,

On 2/27/20 10:47 AM, Roland Hieber wrote:
> On Tue, Feb 25, 2020 at 10:44:18AM +0100, Ahmad Fatoum wrote:
>> When patching some parts of the code, the patches need to be dually licensed,
> 
> I don't understand why this is the case, even if docs/license.rst says
> so. If libfdt authors and STM allows us to choose between BSD or
> GPL-2.0, we can choose to distribute our patches under any one of those.
> (And if we choose BSD, which also TF-A did, we don't even need to
> license our contributions as BSD since BSD has no copyleft). Sure, our
> patches probably won't be accepted upstream by libfdt or STM under only
> those licenses, but that's another problem.

Makes sense. Thanks for the clarification.
 
> In any way I think it's best to resolve this by keeping the original
> disjunctive license statements:
> 
> BSD-3-Clause AND BSD-2-Clause           # main license and FreeBSD libc
> AND (GPL-2.0-or-later OR BSD-2-Clause)  # libfdt
> AND (NCSA OR MIT)                       # LLVM compiler-rt
> AND Zlib                                # zlib
> AND (GPL-2.0-or-later OR BSD-3-Clause)  # STM platform code> 
> This way it is clear that we can choose between GPL and BSD for parts of
> the code, even if the most reasonable outcome of the calculation of all
> license terms is effectively BSD-3-Clause.

Will do in v4.

Thanks for your input,
Ahmad

> 
>  - Roland
> 

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