linux-kernel - Re: SPDX-License-Identifier

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Date:	Fri, 21 Feb 2014 18:26:08 +0100
From:	Michal Simek <monstr@...str.eu>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	Felipe Balbi <balbi@...com>,
	Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@...inx.com>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Subbaraya Sundeep Bhatta <sbhatta@...inx.com>,
	devicetree@...r.kernel.org, Wolfgang Denk <wd@...x.de>
Subject: Re: SPDX-License-Identifier

On 02/21/2014 05:56 PM, Greg Kroah-Hartman wrote:
> On Fri, Feb 21, 2014 at 10:20:45AM -0600, Felipe Balbi wrote:
>> Hi,
>>
>> On Fri, Feb 21, 2014 at 05:18:39PM +0100, Michal Simek wrote:
>>> On 02/21/2014 05:12 PM, Felipe Balbi wrote:
>>>> On Fri, Feb 21, 2014 at 05:04:26PM +0100, Michal Simek wrote:
>>>>> On 02/21/2014 05:04 PM, Greg Kroah-Hartman wrote:
>>>>>> On Fri, Feb 21, 2014 at 07:38:16AM +0100, Michal Simek wrote:
>>>>>>> BTW: u-boot started to use SPDX-License-Identifier
>>>>>>> which will be nice to start to use.
>>>>>>
>>>>>> I agree, feel free to start sending patches to use this type of
>>>>>> identifier for drivers.
>>>>>
>>>>> But we probably need to add that Licenses to one location.
>>>>> Documentation/Licenses?
>>>>
>>>> Just add to the drivers themselves, just like u-boot is doing. A simple:
>>>>
>>>> 	$ git grep -e SPDX-License-Identifier
>>>>
>>>> will tell you filename and license. Or did I misunderstand your question ?
>>>
>>> But for doing this it is probably necessary to have location where
>>> you will place that licenses and you will explain what it is how
>>> it is done by Wolfgang in this commit.
>>>
>>> http://git.denx.de/?p=u-boot.git;a=commitdiff;h=eca3aeb352c964bdb28b8e191d6326370245e03f
>>>
>>> Then yes, adding one line is enough.
>>
>> spdx.org has all licenses, why don't we just rely on that instead of
>> adding every other license to the kernel source ?
> 
> Yes, all that will be acceptable is a one-line identifier in the file.
> No need to have all the different licenses in the kernel source, that's
> crazy and not needed at all.
>
> I've told the SPDX people this in the past, and they keep promising that
> they will do the comment work, but it's been months and I have yet to
> see a single patch...

But shouldn't we at least write somewhere
that it has connection to spdx.org where you can find out that licenses.

I have no problem to use this one-line identifier at all.

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform



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