On Tue, Aug 8, 2023, 5:22 PM Andrew Dennison <andrew.denni...@motec.com.au>
wrote:

> Hi Nuttx Dev,
>
> We are negotiating with the authors of the linux device driver for the CTU
> CAN FD IP core to it re-licenced from GPL to so the driver can then be
> ported to Nuttx.
>
> I've seen various licencing examples in the nuttx code base: but no high
> level description that gives a definitive answer. For example there are
> some cases where Authors are preserved and the code is BSD-2-Clause or
> BSD-3-Clause (not Apache-2.0).
>
> We would appreciate some feedback on whether the proposal from Pavel below
> is acceptable or if any minor adjustments would help.
>
> Kind regards,
>
> Andrew Dennison
> Chief Architect and Hardware Team Lead
> MoTeC (A Bosch Company)
>
> On Tue, 8 Aug 2023 at 19:48, Pavel Pisa <p...@fel.cvut.cz> wrote:
>
> >
> > OK, consider driver code license and NuttX compatible.
> > We need to discuss what will be actual variant and file
> > headers text. I suggest
> >
> > // SPDX-License-Identifier: GPL-2.0+ OR BSD-2-Clause OR Apache-2.0
> >
> >
> /*******************************************************************************
> >  *
> >  * CTU CAN FD IP Core
> >  *
> >  * Copyright (C) 2015-2018 Ondrej Ille <ondrej.i...@gmail.com> FEE CTU
> >  * Copyright (C) 2018-2020 Ondrej Ille <ondrej.i...@gmail.com>
> self-funded
> >  * Copyright (C) 2018-2019 Martin Jerabek <martin.jerabe...@gmail.com>
> > FEE CTU
> >  * Copyright (C) 2018-2020 Pavel Pisa <p...@cmp.felk.cvut.cz> FEE
> > CTU/self-funded
> >  *
> >  * Project advisors:
> >  *     Jiri Novak <jno...@fel.cvut.cz>
> >  *     Pavel Pisa <p...@cmp.felk.cvut.cz>
> >  *
> >  * Department of Measurement         (http://meas.fel.cvut.cz/)
> >  * Faculty of Electrical Engineering (http://www.fel.cvut.cz)
> >  * Czech Technical University        (http://www.cvut.cz/)
> >  */
> >
> > I am not sure if that is acceptable for NuttX mainline, but I do not like
> > process which stripped all information about real code authors when
> > NuttX has been absorbed by Apache. The Copyright (C) statementscan be
> > replaced
> > by text "Authors list"  if copyright of NuttX copy should be transferred
> > to Apache. But I would tend to keep list of authors who invested time,
> > lot of it even from own spare one...
> >
>


I want to call out one thing that does not seem right. That information is
retained here
https://github.com/apache/nuttx/blob/master/LICENSE


This is covered here
https://www.apache.org/legal/resolved.html#required-third-party-notices


Hopefully that helps provide some guidance.

--Brennan

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