Date: Thu, 28 May 2026 08:57:56 +0200
From: David Jander <david@protonic.nl>
To: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: Andrei VOLKOV <andrey.volkov@munic.io>, Pavel Pisa <pisa@fel.cvut.cz>,
 Bernhard Beschow <shentey@gmail.com>, =?UTF-8?B?TWF0ecOhxaE=?= Bobek
 <matyas.bobek@gmail.com>, Matyas Bobek <bobekmat@fel.cvut.cz>,
 qemu-devel@nongnu.org, qemu-arm@nongnu.org, Oliver Hartkopp
 <socketcan@hartkopp.net>, Nikita Ostrenkov <n.ostrenkov@gmail.com>, "Daniel
 P. Berrange" <berrange@redhat.com>, Peter Maydell
 <peter.maydell@linaro.org>, linux-can@vger.kernel.org, Sascha Hauer
 <s.hauer@pengutronix.de>
Subject: Re: [PATCH v3 0/7] hw/arm/sabrelite: Add FlexCAN support
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On Wed, 27 May 2026 20:38:10 +0200
Marc Kleine-Budde <mkl@pengutronix.de> wrote:

> On 27.05.2026 18:25:37, Andrei VOLKOV wrote:
> > As the original author, I have no objection to reusing (my part of) the
> > header under GPL-2.0-or-later. The reason it was not done that way in
> > 2005/2006 is simple: only GPLv2 existed at the time.
> >
> > All the more so since, as already noted, the code in question is essentially
> > a direct transcription of offsets and bit-fields from the Freescale/NXP
> > datasheets, which leaves very little room for a meaningful copyright claim
> > in the first place.
> >
> > Personally, I would prefer that this code not be rewritten and be kept as
> > is, to avoid introducing subtle bugs in QEMU later on.
> > That said, @Sascha and @David may have a different opinion.
> >
> > PS: andrey.volkov@munic.io is my correct current work address, but I would
> > prefer to use my personal one for this discussion.  
> 
> I've added David on Cc and given them a short overview of this
> discussion and linked this thread.
> 
> I'll agree to re-license the register definitions of the flexcan driver
> to GPL-2.0-or-later. I'll poke Sasha tomorrow.

I have no objections for this part to be used under GPL-2.0-or-later.

Best regards,

-- 
David Jander