linux-kernel - Re: [PATCH 05/16] dt-bindings: PCI: Rename the term elbi to appl

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Message-ID: <af063274-97a1-f72d-f93e-a34dfa23570b@linaro.org>
Date:   Thu, 16 Feb 2023 12:04:52 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Rob Herring <robh@...nel.org>, Shradha Todi <shradha.t@...sung.com>
Cc:     lpieralisi@...nel.org, kw@...ux.com, bhelgaas@...gle.com,
        krzysztof.kozlowski+dt@...aro.org, alim.akhtar@...sung.com,
        jingoohan1@...il.com, Sergey.Semin@...kalelectronics.ru,
        lukas.bulwahn@...il.com, hongxing.zhu@....com, tglx@...utronix.de,
        m.szyprowski@...sung.com, jh80.chung@...sung.co,
        pankaj.dubey@...sung.com, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 05/16] dt-bindings: PCI: Rename the term elbi to appl

On 14/02/2023 20:15, Rob Herring wrote:
> On Tue, Feb 14, 2023 at 05:43:22PM +0530, Shradha Todi wrote:
>> DT uses the name elbi in reg-names for application logic
>> registers which is a wrong nomenclature. This patch fixes
>> the same.
>>
>> This commit shouldn't be applied without changes
>> "arm64: dts: Rename the term elbi to appl" and
>> "PCI: samsung: Rename the term elbi to appl"
> 
> Which is your clue that this is an ABI break. You're stuck with the old 
> name unless the ABI break is fine for all Samsung platforms using this.

This piece is quite stable so even without many out-of-tree users, we
shouldn't break it without valid reason. Wrong nomenclature is not
necessarily valid enough.

Best regards,
Krzysztof