linux-kernel - Re: [PATCH] of: export of_find_next_cache

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Message-ID: <CAL_Jsq+HdceLczej4_q-wjg2870v3y-e_E+jEq0xbetDguaXAw@mail.gmail.com>
Date:   Wed, 11 Oct 2023 07:52:32 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Frank Rowand <frowand.list@...il.com>,
        Ilia Lin <ilia.lin@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH] of: export of_find_next_cache_node() for modules

On Wed, Oct 11, 2023 at 6:27 AM Dmitry Baryshkov
<dmitry.baryshkov@...aro.org> wrote:
>
> The qcom-cpufreq-nvmem module uses of_find_next_cache_node() function,
> so export it to be available to the modules.

You really should be using the cacheinfo API which has already parsed
the cache nodes.

Also, why do you need a platform_device? I don't see a driver.
cacheinfo already creates a struct device, so kind of weird to have 2
devices.

Rob