linux-kernel - Re: [PATCH v4 3/9] v4l: platform: Add Renesas CEU driver

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Message-ID: <CAOFm3uGxm3bAHPryMV8+MAFy+45-3Ld7RbKqo1saigzPUZ8mqg@mail.gmail.com>
Date:   Fri, 12 Jan 2018 11:36:31 +0100
From:   Philippe Ombredanne <pombredanne@...b.com>
To:     Jacopo Mondi <jacopo+renesas@...ndi.org>
Cc:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Magnus Damm <magnus.damm@...il.com>, geert@...der.be,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>,
        Fabio Estevam <festevam@...il.com>,
        Sakari Ailus <sakari.ailus@....fi>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-renesas-soc@...r.kernel.org,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        linux-sh@...r.kernel.org,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 3/9] v4l: platform: Add Renesas CEU driver

On Tue, Jan 9, 2018 at 5:25 PM, Jacopo Mondi <jacopo+renesas@...ndi.org> wrote:
> Add driver for Renesas Capture Engine Unit (CEU).

<snip>

> --- /dev/null
> +++ b/drivers/media/platform/renesas-ceu.c
> @@ -0,0 +1,1648 @@
> +// SPDX-License-Identifier: GPL-2.0

<snip>

> +MODULE_DESCRIPTION("Renesas CEU camera driver");
> +MODULE_AUTHOR("Jacopo Mondi <jacopo+renesas@...ndi.org>");
> +MODULE_LICENSE("GPL");

Jacopo,
the MODULE_LICENSE does not match the SPDX tag. Per module.h "GPL"
means GPL-2.0 or later ;)

It should be instead:

> +MODULE_LICENSE("GPL v2");

... to match your

> +// SPDX-License-Identifier: GPL-2.0

I know this can be confusing, but updating the MODULE_LICENSE tags
definitions in module.h to match SPDX tags is unlikely to happen as it
would create mayhem for everyone and every module loader relying on
this established convention.

-- 
Cordially
Philippe Ombredanne