linux-kernel - Re: [PATCH v8 4/8] ARM: dts: Enable Broadcom Cygnus SoC

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Date:	Sun, 9 Nov 2014 21:17:37 -0800
From:	Scott Branden <sbranden@...adcom.com>
To:	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	Olof Johansson <olof@...om.net>,
	Christian Daudt <bcm@...thebug.org>,
	Matt Porter <mporter@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	Broadcom Kernel Feedback List 
	<bcm-kernel-feedback-list@...adcom.com>,
	"Mike Turquette" <mturquette@...aro.org>,
	Alex Elder <elder@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	"Kumar Gala" <galak@...eaurora.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Joe Perches <joe@...ches.com>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Antti Palosaari <crope@....fi>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Ray Jui <rjui@...adcom.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	JD Zheng <jdzheng@...adcom.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v8 4/8] ARM: dts: Enable Broadcom Cygnus SoC

On 14-11-09 12:38 PM, Arnd Bergmann wrote:
> On Sunday 09 November 2014 09:23:11 Greg Kroah-Hartman wrote:
>> On Sat, Nov 08, 2014 at 10:49:09PM -0800, Olof Johansson wrote:
>>>>>> +/*
>>>>>> + * Copyright 2014 Broadcom Corporation.  All rights reserved.
>>>>>> + *
>>>>>> + * Unless you and Broadcom execute a separate written software license
>>>>>> + * agreement governing use of this software, this software is licensed
>>>>>> to you
>>>>>> + * under the terms of the GNU General Public License as
>>>>>> + * published by the Free Software Foundation version 2.
>>>>>> + *
>>>>>> + * This program is distributed "as is" WITHOUT ANY WARRANTY of any
>>>>>> + * kind, whether express or implied; without even the implied warranty
>>>>>> + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>>>>>> + * GNU General Public License for more details.
>>>>>
>>>>>
>>>>> We ask for new DT contents to be added with dual BSD/GPL license, to
>>>>> allow for reuse of the DT data structures in other projects as well.
>>>>> There's currently a lot of activity going on relicensing the current
>>>>> files so I recommend sorting it out before they are added if you can.
>>>>
>>>>
>>>> This may take more time than you think.  I am going to have to go through
>>>> legal to get such a license created. Also, why would you need dual license?
>>>> If it is BSD that should serve both purposes?
>>>
>>> I haven't followed the discussion close enough to know if there's been
>>> discussion about single-license BSD vs dual BSD/GPL.
>
> I think for all practical purposes, BSD and dual BSD/GPL is the same and
> listing it as dual was meant as a clarification to make it easier to see
> that all files in the kernel are GPLv2 compatible.
A dual BSD/GPL may involve having me get a lawyer to create such a 
header.  I would prefer to leave it as GPL for now until some concrete 
decision has finally been made on this by the rest of the community? 
Or, I can put it as BSD right now if that helps?
>
>>> At the very least, please start the process of getting it changed.
>>>
>>> Also, I see now that this isn't even a clean GPL v2, given "Unless you
>>> and Broadcom..." language. I see the bnx2x driver had that in the
>>> past, but none of the Kona contributions did. I strongly suggest
>>> sticking to the normal copyrights here and not making things more
>>> complicated than they have to.
>>
>> I'm thinking that the "unless you and Broadcom..." language really
>> doesn't mean much other than what all other files in the kernel mean
>> from what I can tell.  This should just default to GPLv2 and everyone
>> should be ok.
>
> I would hope so at least. It's certainly not obvious whether that means
> Broadcom can give additional rights to someone over what someone else
> contributed upstream, or worse if this becomes GPL-incompatible and
> makes the kernel undistributable for anybody who has an additional
> license agreement that doesn't give them all the rights that they already
> had under the GPL.
I'll change the header on these files so there are no disagreements.
>
> 	Arnd
>

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