linux-kernel - Re: [PATCH v5 2/3] dt-bindings: cpufreq: qcom-cpufreq-nvmem: make cpr bindings optional

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1670489b-e4f0-7328-3dbb-d849d1d6bd7e@linaro.org>
Date:   Wed, 1 Feb 2023 09:20:39 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Christian Marangi <ansuelsmth@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Ilia Lin <ilia.lin@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Nishanth Menon <nm@...com>, Stephen Boyd <sboyd@...nel.org>,
        Yassine Oudjana <y.oudjana@...tonmail.com>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 2/3] dt-bindings: cpufreq: qcom-cpufreq-nvmem: make cpr
 bindings optional

On 31/01/2023 16:18, Christian Marangi wrote:
> The qcom-cpufreq-nvmem driver supports 2 kind of devices:
> - pre-cpr that doesn't have power-domains and base everything on nvmem
>   cells and multiple named microvolt bindings.
>   Doesn't need required-opp binding in the opp nodes as they are only
>   used for genpd based devices.
> - cpr-based that require power-domain in the cpu nodes and use various
>   source to decide the correct voltage and freq
>   Require required-opp binding since they need to be linked to the
>   related opp-level.
> 
> When the schema was introduced, it was wrongly set to always require these
> binding but this is not the case for pre-cpr devices.
> 
> Make the power-domain and the required-opp optional and set them required
> only for qcs404 based devices.
> 
> Fixes: ec24d1d55469 ("dt-bindings: opp: Convert qcom-nvmem-cpufreq to DT schema")

Fixes go as first patches in the series.



Best regards,
Krzysztof