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Date: Thu, 11 Apr 2024 16:34:17 -0700 (PDT)
From: matthew.gerlach@linux.intel.com
To: Rob Herring <robh@kernel.org>
cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>, bhelgaas@google.com, 
    lpieralisi@kernel.org, kw@linux.com, krzysztof.kozlowski+dt@linaro.org, 
    conor+dt@kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, 
    linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] dt-bindings: PCI: altera: Convert to YAML
In-Reply-To: <20240410172924.GA622917-robh@kernel.org>
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On Wed, 10 Apr 2024, Rob Herring wrote:

> On Tue, Apr 09, 2024 at 08:29:07AM +0200, Krzysztof Kozlowski wrote:
>> On 08/04/2024 22:34, matthew.gerlach@linux.intel.com wrote:
>>>>> diff --git a/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml b/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml
>>>>> new file mode 100644
>>>>> index 000000000000..999dcda05f55
>>>>> --- /dev/null
>>>>> +++ b/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml
>>>>> @@ -0,0 +1,106 @@
>>>>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>>>>> +# Copyright (C) 2024, Intel Corporation
>>>>
>>>> This is derivative of previous work, which is easily visible by doing
>>>> the same mistakes in DTS as they were before.
>>>
>>> This is definitely derivative of previous work, and I want to fix the
>>> DTS mistakes too.
>>>
>>>>
>>>> You now added fresh copyrights ignoring all previous work, even though
>>>> you copied it. I don't agree.
>>>>
>>>> If you want to ignore previous copyrights, then at least don't copy
>>>> existing code... although even that would not be sufficient.
>>>
>>> Ignoring previous copyrights was not my intent. There is no copyright
>>> statement in the original text version of the device tree bindings. Should
>>> that lack of copyright statement carry forward?
>>
>> All the authors are copyright holders automatically, at least in some or
>> maybe most jurisdictions. You do not need to add copyright label for
>> material to be copyrighted. That's why you are not allowed to relicense
>> the work for example, without other authors' agreement.
>
> The only thing I see as missing is some years. All the authors were
> Altera which is now Intel, so Intel is the sole copyright holder.
> Whether is says 2015 contributions were Altera or Intel is probably
> immaterial.  There were also contributions by Google (Bjorn), but those
> were purely editorial.

Yes, Altera is now Intel who now owns the copyrights. At some point the 
future this might change as Intel spins off Altera. So given the state 
now, should the copyright line be as follows?

# Copyright (C) 2015, 2019, 2024, Intel Corporation


Matthew
>
> Rob
>