linux-kernel - Re: [PATCH 1/2] staging: android: ion: Fix license identifier comment format

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Date:   Mon, 7 May 2018 07:40:29 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Laura Abbott <labbott@...hat.com>
Cc:     devel@...verdev.osuosl.org, dri-devel@...ts.freedesktop.org,
        linaro-mm-sig@...ts.linaro.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Joe Perches <joe@...ches.com>,
        Arve Hjønnevåg <arve@...roid.com>,
        Martijn Coenen <maco@...roid.com>,
        Todd Kjos <tkjos@...roid.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] staging: android: ion: Fix license identifier
 comment format

On Mon, May 07, 2018 at 06:37:52AM -0700, Laura Abbott wrote:
> On 05/06/2018 06:18 PM, Nathan Chancellor wrote:
> > checkpatch.pl complains these are invalid because the rules in
> > Documentation/process/license-rules.rst state that C headers should
> > have "/* */" style comments.
> > 
> 
> The SPDX markings are special, but I don't see anything from a
> quick read of the SPDX specification that says they have to use //.
> I think this is going to generate a lot of possible noise so it
> might be worth adjusting checkpatch.
> 
> Thanks,
> Laura

Under section 2 of "License identifier syntax" in the license rules
file, it shows the preferred style for each type of file. Apparently
there was some build breakage with // in header files so I assume they
want /* */ for uniformity sake.

Thanks!
Nathan

> 
> > Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
> > ---
> >   drivers/staging/android/ion/ion.h  | 2 +-
> >   drivers/staging/android/uapi/ion.h | 2 +-
> >   2 files changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/staging/android/ion/ion.h b/drivers/staging/android/ion/ion.h
> > index ea0897812780..16cbd38a7160 100644
> > --- a/drivers/staging/android/ion/ion.h
> > +++ b/drivers/staging/android/ion/ion.h
> > @@ -1,4 +1,4 @@
> > -// SPDX-License-Identifier: GPL-2.0
> > +/* SPDX-License-Identifier: GPL-2.0 */
> >   /*
> >    * drivers/staging/android/ion/ion.h
> >    *
> > diff --git a/drivers/staging/android/uapi/ion.h b/drivers/staging/android/uapi/ion.h
> > index 825d3e95ccd3..5d7009884c13 100644
> > --- a/drivers/staging/android/uapi/ion.h
> > +++ b/drivers/staging/android/uapi/ion.h
> > @@ -1,4 +1,4 @@
> > -// SPDX-License-Identifier: GPL-2.0
> > +/* SPDX-License-Identifier: GPL-2.0 */
> >   /*
> >    * drivers/staging/android/uapi/ion.h
> >    *
> > 
>