linux-kernel - Re: [PATCH] dt-bindings: arm-smmu: disallow clocks when not used

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Message-ID: <20230113095046.GB12235@willie-the-truck>
Date:   Fri, 13 Jan 2023 09:50:47 +0000
From:   Will Deacon <will@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: Re: [PATCH] dt-bindings: arm-smmu: disallow clocks when not used

On Thu, Jan 12, 2023 at 02:53:20PM +0100, Krzysztof Kozlowski wrote:
> On 22/12/2022 10:23, Krzysztof Kozlowski wrote:
> > Disallow clocks for variants other than:
> > 1. SMMUs with platform-specific compatibles which list explicit clocks
> >    and clock-names,
> > 2. SMMUs using only generic compatibles, e.g. arm,mmu-500, which have a
> >    variable clocks on different implementations.
> > 
> > This requires such variants with platform-specific compatible, to
> > explicitly list the clocks or omit them, making the binding more
> > constraint.
> > 
> > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> > 
> > ---
> 
> Will, Robin, Joerg,
> 
> Anyone willing to pick up this patch?

Sure, I'll do an SMMU bindings pass shortly for 6.3

Will