linux-kernel - Re: [PATCH 2/2] clk: qcom: gcc-msm8996: Use read-only RCG ops for RPM bus clocks

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Message-ID: <e86e9efe-b377-4cbc-8603-f308ea65d2b9@linaro.org>
Date:   Thu, 24 Aug 2023 12:27:24 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Bjorn Andersson <andersson@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, Stephan Gerhold <stephan@...hold.net>
Subject: Re: [PATCH 2/2] clk: qcom: gcc-msm8996: Use read-only RCG ops for RPM
 bus clocks

On 31.07.2023 13:01, Konrad Dybcio wrote:
> On 13.06.2023 19:54, Konrad Dybcio wrote:
>>
>>
>> On 13.06.2023 19:56, Bjorn Andersson wrote:
>>> On Mon, Jun 12, 2023 at 11:22:48AM +0200, Konrad Dybcio wrote:
>>>> The config/periph/system NoC clocks are wholly controlled by the
>>>> RPM firmware and Linux should never ever alter their configuration.
>>>>
>>>
>>> Does Linux need to know about them?
>> Not really, but it allows us to get rates of their children.
>>
>> We can get rid of them if one can argue debugcc is enough. Unless
>> we need clk_get_rate for some reason.
>>
> Any opinions?
So, do we drop them?

Konrad