Re: [PATCH] ARM: BCM5301X: Add DT for Luxul XAP-1510

[Florian Fainelli <f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

On 05/05/16 14:47, Hauke Mehrtens wrote:
> On 05/05/2016 12:36 AM, Rafał Miłecki wrote:
>> On 4 May 2016 at 20:53, Florian Fainelli <f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>>> On 03/05/16 10:28, Dan Haab wrote:
>>>> Luxul XAP-1510 is an AP device based on BCM4708 SoC. It uses flash
>>>> memory connected to the SPI controller.
>>>
>>> Looks fine, except one nit:
>>>
>>>> diff --git a/arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts b/arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts
>>>> new file mode 100644
>>>> index 0000000..f4460b5
>>>> --- /dev/null
>>>> +++ b/arch/arm/boot/dts/bcm4708-luxul-xap-1510.dts
>>>> @@ -0,0 +1,67 @@
>>>> +/*
>>>> + * Broadcom BCM470X / BCM5301X ARM platform code.
>>>> + * DTS for Luxul XAP-1510
>>>> + *
>>>> + * Copyright 2015 Luxul Inc.
>>>> + *
>>>> + * Licensed under the GNU/GPL. See COPYING for details.
>>>
>>> The ARM SoC maintainer have been asking to utilize a license which is
>>> also BSD compatible, so something along the lines of this one:
>>>
>>> arch/arm/boot/dts/bcm911360k.dts
>>>
>>> Do you mind respining the patch to include that kind of license header?
>>
>> I wasn't aware of this neither. Shall we re-license existing DTS files
>> as well? I'm fine with changing them to BSD compatible.
>>
>> I'm a bit confused by using BSD license only. Kernel is licensed under
>> GNU GPL version 2 and if there are some BSD compatible modules, they
>> use dual licensing model (BSD/GPL). Shouldn't we use BSD/GPL in DTS
>> files as well then?
>>
> 
> As far as I understand the License part you can take code which is
> licensed under BSD license and use it in GPL code because you can comply
> with the BSD license and also handle it in a way to be GPL compliant at
> the same time. You can also make a change to BSD code and license this
> change under the GPL, then the complete code (the old one + your change)
> is now GPL.
> 
> Are the device tree files licensed under BSD license to make it easier
> to integrate them into a proprietary boot loader or what is the purpose?

Yes, there could be that, or just making the license compatible with
other OSes like FreeBSD for instace.
-- 
Florian
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