linux-kernel - Re: [PATCH v2 01/14] arm64: dts: qcom: msm8916: Drop RPM bus clocks

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Message-ID: <30bb6068-6bb8-9a2c-af19-b989960d0be9@linaro.org>
Date:   Wed, 13 Sep 2023 13:14:20 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Sibi Sankar <quic_sibis@...cinc.com>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        Alexey Minnekhanov <alexeymin@...tmarketos.org>,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH v2 01/14] arm64: dts: qcom: msm8916: Drop RPM bus clocks

On 13/09/2023 12:48, Konrad Dybcio wrote:
> On 13.09.2023 10:53, Krzysztof Kozlowski wrote:
>> On 13/09/2023 10:47, Konrad Dybcio wrote:
>>> On 13.09.2023 09:07, Krzysztof Kozlowski wrote:
>>>> On 12/09/2023 15:31, Konrad Dybcio wrote:
>>>>> These clocks are now handled from within the icc framework and are
>>>>
>>>> That's a driver behavior, not hardware.
>>> I believe we've been over this already..
>>>
>>> The rationale behind this change is: that hardware, which falls
>>> under the "interconnect" class, was previously misrepresented as
>>> a bunch of clocks. There are clocks underneath, but accessing them
>>> directly would be equivalent to e.g. circumventing the PHY subsystem
>>> and initializing your UFS PHY from within the UFS device.
>>
>> And every time one write such commit msg, how should we remember there
>> is some exception and actually it is about clock representation not CCF
>> or ICC framework.
> So is your reply essentially "fine, but please make it clear in
> each commit message"?

I am fine with this change. If commit msg had such statement, I would
not have doubts :/

Best regards,
Krzysztof