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Date:   Thu, 5 Sep 2019 07:54:30 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Mauro Carvalho Chehab <mchehab@kernel.org>
Cc:     Nishad Kamdar <nishadkamdar@gmail.com>,
        Joe Perches <joe@perches.com>,
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        <u.kleine-koenig@pengutronix.de>, linux-media@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] media: siano: Use the correct style for SPDX License
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On Wed, Sep 04, 2019 at 04:00:10PM -0300, Mauro Carvalho Chehab wrote:
> Em Wed, 4 Sep 2019 20:36:08 +0200
> Greg Kroah-Hartman <gregkh@linuxfoundation.org> escreveu:
> 
> > On Wed, Sep 04, 2019 at 03:34:32PM -0300, Mauro Carvalho Chehab wrote:
> > > Em Sat, 31 Aug 2019 20:41:51 +0530
> > > Nishad Kamdar <nishadkamdar@gmail.com> escreveu:
> > >   
> > > > This patch corrects the SPDX License Identifier style
> > > > in header file related to Siano Mobile Silicon Digital TV.
> > > > For C header files Documentation/process/license-rules.rst
> > > > mandates C-like comments (opposed to C source files where
> > > > C++ style should be used)
> > > > 
> > > > Changes made by using a script provided by Joe Perches here:
> > > > https://lkml.org/lkml/2019/2/7/46
> > > > 
> > > > Suggested-by: Joe Perches <joe@perches.com>
> > > > Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
> > > > ---
> > > >  drivers/media/common/siano/smsir.h | 2 +-
> > > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > > 
> > > > diff --git a/drivers/media/common/siano/smsir.h b/drivers/media/common/siano/smsir.h
> > > > index b2c54c256e86..ada41d5c4e83 100644
> > > > --- a/drivers/media/common/siano/smsir.h
> > > > +++ b/drivers/media/common/siano/smsir.h
> > > > @@ -1,5 +1,5 @@
> > > > +/* SPDX-License-Identifier: GPL-2.0+ */
> > > >  /*
> > > > - * SPDX-License-Identifier: GPL-2.0+
> > > >   *
> > > >   * Siano Mobile Silicon, Inc.
> > > >   * MDTV receiver kernel modules.  
> > > 
> > > What's wrong with that? The above is a perfectly fine SPDX header.  
> > 
> > It is not the first line of the file :(
> > 
> 
> A requirement for having it at the first line is not realistic.

But it is "the rule" as Joe points out.

> I'd say more: some script that would check for SPDX only at the 
> first line won't work.
> 
> The reason is simple: we have some scripts at the Kernel tree.

This is not a script, for those, it is fine to use the second line,
again, this is documented.

This isn't new at all, been that way since December of 2017, see commit
aa19a176df95 ("Documentation: Add license-rules.rst to describe how to
properly identify file licenses")

thanks,

greg k-h