linux-kernel - Re: [PATCH v3 03/17] arm64: dts: sdm845: Add OPP table for all qup devices

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Message-ID: <20200430061508.6ktamklc4nslf5qp@vireshk-i7>
Date:   Thu, 30 Apr 2020 11:45:08 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     Rajendra Nayak <rnayak@...eaurora.org>, sboyd@...nel.org,
        bjorn.andersson@...aro.org, agross@...nel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Stephen Boyd <swboyd@...omium.org>
Subject: Re: [PATCH v3 03/17] arm64: dts: sdm845: Add OPP table for all qup
 devices

On 28-04-20, 17:02, Matthias Kaehlcke wrote:
> Judging from SDM845 (which has more OPP tables) the convention seems to be
> to add OPP tables to the nodes that use them, which seems reasonable and

I don't think that's right. The same DT opp tables are used for
multiple CPUs and they are placed outside of any device's node.

And that is the reason we have handled that specially in kernel (which
Rajendra shared in another email), to not create a platform device for
the opp table.

-- 
viresh