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Message-ID: <9a0ab5a9-d4d8-41b8-94b0-9c62bd686254@linaro.org>
Date:   Wed, 13 Sep 2023 12:48:32 +0200
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Subject: Re: [PATCH v2 01/14] arm64: dts: qcom: msm8916: Drop RPM bus clocks
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To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Mathieu Poirier <mathieu.poirier@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Manivannan Sadhasivam <mani@kernel.org>,
        Sibi Sankar <quic_sibis@quicinc.com>,
        Will Deacon <will@kernel.org>,
        Robin Murphy <robin.murphy@arm.com>,
        Joerg Roedel <joro@8bytes.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Wesley Cheng <quic_wcheng@quicinc.com>
Cc:     Marijn Suijten <marijn.suijten@somainline.org>,
        Alexey Minnekhanov <alexeymin@postmarketos.org>,
        linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev,
        linux-usb@vger.kernel.org
References: <20230721-topic-rpm_clk_cleanup-v2-0-1e506593b1bd@linaro.org>
 <20230721-topic-rpm_clk_cleanup-v2-1-1e506593b1bd@linaro.org>
 <bd11d1b1-efe5-4f96-43e7-163fca5d3278@linaro.org>
 <ac501bcc-80a1-4b65-ba24-272152d1c95c@linaro.org>
 <7b500bba-3091-f425-a60d-e58a3d9e4c1a@linaro.org>
From:   Konrad Dybcio <konrad.dybcio@linaro.org>
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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"?

Konrad