linux-kernel - Re: [PATCH net-next] net: dsa: use capital "OR" for multiple licenses in SPDX

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Date:   Wed, 23 Aug 2023 13:08:19 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Kurt Kanzenbach <kurt@...utronix.de>,
        Florian Fainelli <florian.fainelli@...adcom.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH net-next] net: dsa: use capital "OR" for multiple licenses
 in SPDX

On 23/08/2023 12:54, Kurt Kanzenbach wrote:
> On Wed Aug 23 2023, Krzysztof Kozlowski wrote:
>> On 23/08/2023 11:32, Kurt Kanzenbach wrote:
>>> On Wed Aug 23 2023, Krzysztof Kozlowski wrote:
>>>> Documentation/process/license-rules.rst and checkpatch expect the SPDX
>>>> identifier syntax for multiple licenses to use capital "OR".  Correct it
>>>> to keep consistent format and avoid copy-paste issues.
>>>>
>>>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>>>
>>> Reviewed-by: Kurt Kanzenbach <kurt@...utronix.de>
>>>
>>> Side note: The SPDX spec in section D.2 says: "License expression
>>> operators (AND, OR and WITH) should be matched in a case-sensitive
>>> manner.". Should is not must. So I assume checkpatch and spdxcheck
>>> should handle both cases. Especially because:
>>>
>>> |linux (git)-[master] % git grep 'SPDX' | grep ' or ' | wc -l
>>> |370
>>>
>>
>> But "should" denotes preferred rule:
> 
> Yes, of course :).
> 
> You mentioned checkpatch. But checkpatch doesn't warn about it. Or does
> it? 
> 
> |linux (git)-[master] % ./scripts/checkpatch.pl -- drivers/net/dsa/hirschmann/hellcreek.h
> |total: 0 errors, 0 warnings, 0 checks, 321 lines checked
> |
> |drivers/net/dsa/hirschmann/hellcreek.h has no obvious style problems and
> |is ready for submission.

Checkpatch checks licenses of only some files, so maybe I should change
description here (it's you know, copy-paste...).

Best regards,
Krzysztof