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From:   Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To:     Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc:     linux-kernel@vger.kernel.org, kernel@collabora.com,
        Andrzej Hajda <a.hajda@samsung.com>,
        Archit Taneja <architt@codeaurora.org>,
        dri-devel@lists.freedesktop.org, David Airlie <airlied@linux.ie>
Subject: Re: [PATCH] drm/bridge: analogix-anx78xx: Switch to SPDX identifier.
Date:   Tue, 05 Jun 2018 13:33:49 +0300
Message-ID: <4268268.FVg14MziXp@avalon>
Organization: Ideas on Board Oy
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References: <20180605100051.4023-1-enric.balletbo@collabora.com> <1896069.8N7yzJMC7C@avalon> <f7f92ca9-adee-42c3-f822-0ce5ce85a69a@collabora.com>
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Hi Enric,

On Tuesday, 5 June 2018 13:27:06 EEST Enric Balletbo i Serra wrote:
> On 05/06/18 12:11, Laurent Pinchart wrote:
> > On Tuesday, 5 June 2018 13:00:50 EEST Enric Balletbo i Serra wrote:
> >> Adopt the SPDX license identifier headers to ease license compliance
> >> management.
> >> 
> >> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> >> ---
> >> 
> >>  drivers/gpu/drm/bridge/analogix-anx78xx.c | 24 ++++++++---------------
> >>  1 file changed, 8 insertions(+), 16 deletions(-)
> >> 
> >> diff --git a/drivers/gpu/drm/bridge/analogix-anx78xx.c
> >> b/drivers/gpu/drm/bridge/analogix-anx78xx.c index
> >> b49043866be6..54d7e7981bed 100644
> >> --- a/drivers/gpu/drm/bridge/analogix-anx78xx.c
> >> +++ b/drivers/gpu/drm/bridge/analogix-anx78xx.c
> >> @@ -1,19 +1,11 @@
> >> -/*
> >> - * Copyright(c) 2016, Analogix Semiconductor.
> >> - *
> >> - * This program is free software; you can redistribute it and/or modify
> >> - * it under the terms of the GNU General Public License version 2 and
> >> - * only version 2 as published by the Free Software Foundation.
> >> - *
> >> - * This program is distributed in the hope that it will be useful,
> >> - * but WITHOUT ANY WARRANTY; without even the implied warranty of
> >> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> >> - * GNU General Public License for more details.
> >> - *
> >> - * Based on anx7808 driver obtained from chromeos with copyright:
> >> - * Copyright(c) 2013, Google Inc.
> >> - *
> >> - */
> >> +// SPDX-License-Identifier: GPL-2.0
> > 
> > This looks good to m.
> > 
> >> +// Driver for ANX78xx SlimPort transmitter.
> >> +//
> >> +// Copyright (C) 2016 Analogix Semiconductor.
> >> +// Copyright (C) 2016 Google, Inc.
> > 
> > Should the last line be 2013, not 2016 ?
> 
> Yes, my bad.
> 
> >> +//
> >> +// Author: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> > 
> > I don't think there's a need to convert the whole comment block to
> > C++-style.
> 
> Seems that putting everything as // is Linus Torvalds' preferred style:
> https://lkml.org/lkml/2017/11/25/133
> 
> But if you want I change, I don't mind to use the c style instead, just let
> me know.

As usual with coding styles, it's a matter of preferences, feelings, and 
getting used to changes. I personally dislike C++-style comments in kernel 
sources. The fact that we have few of them makes them seem out of place, and 
thus disturb code reading. My preferences might change if the style becomes 
more prominent and I get used to it. Or maybe not :-)

This being said, I'd personally keep changes minimal here, and give the last 
word to the driver maintainer(s) as for any coding style matter.

> >>  #include <linux/delay.h>
> >>  #include <linux/err.h>
> >>  #include <linux/interrupt.h>

-- 
Regards,

Laurent Pinchart