linux-kernel - Re: [PATCH 3/3] ARM: dts: imx6qdl: add TQ-Systems MBa6x device trees

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Date:   Tue, 26 Oct 2021 15:15:12 -0500
From:   Rob Herring <robh@...nel.org>
To:     Matthias Schiffer <matthias.schiffer@...tq-group.com>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Markus Niebel <Markus.Niebel@...tq-group.com>
Subject: Re: [PATCH 3/3] ARM: dts: imx6qdl: add TQ-Systems MBa6x device trees

On Wed, Oct 13, 2021 at 01:12:02PM +0200, Matthias Schiffer wrote:
> From: Markus Niebel <Markus.Niebel@...tq-group.com>
> 
> Add device trees for the MBa6x mainboard with TQMa6Q/QP/DL SoMs.
> 
> Files are imported with (GPL-2.0-or-later OR MIT) license where the
> copyright is held fully by TQ-Systems. Other files with less clear
> copyright ownership use their original GPL-2.0-or-later license.

Thanks for giving it some thought, but I don't think 'or-later' works 
given imx6dl.dtsi is GPL-2.0-only. It's kind of a mess though:

$ git grep -ho 'SPDX.*' arch/arm/boot/dts/imx6dl* | sort -u
SPDX-License-Identifier: GPL-2.0
SPDX-License-Identifier: GPL-2.0+
SPDX-License-Identifier: GPL-2.0-only
SPDX-License-Identifier: GPL-2.0-only */
SPDX-License-Identifier: GPL-2.0-or-later
SPDX-License-Identifier: GPL-2.0-or-later OR MIT
SPDX-License-Identifier: (GPL-2.0 or MIT)
SPDX-License-Identifier: GPL-2.0 or MIT
SPDX-License-Identifier: (GPL-2.0 OR MIT)
SPDX-License-Identifier: GPL-2.0 OR MIT
SPDX-License-Identifier: (GPL-2.0+ OR MIT)
SPDX-License-Identifier: GPL-2.0+ OR MIT
SPDX-License-Identifier: GPL-2.0 OR X11

The dts files are all too intertwined to be different licenses IMO.

Rob