linux-kernel - Re: [PATCH v5 5/8] cpuidle: Factor-out power domain related code from PSCI domain driver

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Message-ID: <CAPDyKFq2tvvAD=2RiePZzce=+OsDaxLWqz+90pTKjTTzqVqcHQ@mail.gmail.com>
Date:   Wed, 2 Jun 2021 15:17:13 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Anup Patel <anup.patel@....com>
Cc:     Palmer Dabbelt <palmer@...belt.com>,
        Palmer Dabbelt <palmerdabbelt@...gle.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Pavel Machek <pavel@....cz>, Rob Herring <robh+dt@...nel.org>,
        Sandeep Tripathy <milun.tripathy@...il.com>,
        Atish Patra <atish.patra@....com>,
        Alistair Francis <Alistair.Francis@....com>,
        Liush <liush@...winnertech.com>,
        Anup Patel <anup@...infault.org>,
        DTML <devicetree@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v5 5/8] cpuidle: Factor-out power domain related code from
 PSCI domain driver

On Wed, 2 Jun 2021 at 13:24, Anup Patel <anup.patel@....com> wrote:
>
> The generic power domain related code in PSCI domain driver is largely
> independent of PSCI and can be shared with RISC-V SBI domain driver
> hence we factor-out this code into dt_idle_genpd.c and dt_idle_genpd.h.
>
> Signed-off-by: Anup Patel <anup.patel@....com>

Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>

A small nitpick below.

[...]

> +EXPORT_SYMBOL_GPL(dt_idle_pd_free);

Do we really need to export this symbol? Looks like there are only
built-in cpuidle drivers that are going to use it. At least for now.

As a matter of fact, the same comment applies to all cases of
EXPORT_SYMBOL_GPL from $subject patch. Can we drop all of them?

[...]

Kind regards
Uffe