linux-kernel - Re: [PATCH 1/3] dt-bindings: mediatek: mt8188: Add binding for MM & INFRA IOMMU

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Message-ID: <61c0d3bf-cf1f-77f0-bb47-dec7cde5b488@linaro.org>
Date:   Thu, 18 Aug 2022 10:42:34 +0300
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     "Chengci.Xu" <chengci.xu@...iatek.com>,
        Yong Wu <yong.wu@...iatek.com>, Joerg Roedel <joro@...tes.org>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     iommu@...ts.linux.dev, linux-mediatek@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH 1/3] dt-bindings: mediatek: mt8188: Add binding for MM &
 INFRA IOMMU

On 18/08/2022 10:26, Chengci.Xu wrote:
>>>      then:
>>>        required:
>>> diff --git a/include/dt-bindings/memory/mt8188-memory-port.h
>>>  b/include/dt-bindings/memory/mt8188-memory-port.h
>>> new file mode 100644
>>> index 000000000000..612fd366c3a7
>>> --- /dev/null
>>> +++ b/include/dt-bindings/memory/mt8188-memory-port.h
>>
>> Use vendor prefix in filename, so mediatek,mt8188-memory-port.h
> 
> Is this a new mandatory rules to add a vendor prefix in dt-bindings
> file name? we have never add a vendor prefix before.
> 
> If possible, we'd like not to use vendor prefix for the consistency of
> fliename's format(mtxxxx-memory-port.h).
> Such as "mt8195-memory-port.h" and "mt8186-memory-port.h".

That's a generic rule, although loosely applied. The consistency is
rather to have a vendor prefix everywhere. Why Mediatek should have an
exception?

Best regards,
Krzysztof