linux-kernel - Re: [PATCH] cpufreq: sparc: Don't mark cpufreq callbacks with _

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Message-ID: <CAJZ5v0gjY4V0g2y5OcjxWFP-koTnqytbtntXWeaCCqXhReeq9A@mail.gmail.com>
Date:   Wed, 12 Jul 2023 12:47:46 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>, linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpufreq: sparc: Don't mark cpufreq callbacks with __init

On Wed, Jul 12, 2023 at 5:58 AM Viresh Kumar <viresh.kumar@...aro.org> wrote:
>
> These callbacks can be called again by the cpufreq core after the driver
> is initialized and must be kept around. We currently get section
> mismatch build warnings.
>
> Don't mark them with __init.
>
> Fixes: dcfce7c2cee4 ("cpufreq: sparc: Don't allocate cpufreq_driver dynamically")
> Reported-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> ---
> Rafael,
>
> Please apply this for -rc2. Thanks.

Done, thanks!

>  drivers/cpufreq/sparc-us2e-cpufreq.c | 2 +-
>  drivers/cpufreq/sparc-us3-cpufreq.c  | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/cpufreq/sparc-us2e-cpufreq.c b/drivers/cpufreq/sparc-us2e-cpufreq.c
> index d3510cfdb3eb..2783d3d55fce 100644
> --- a/drivers/cpufreq/sparc-us2e-cpufreq.c
> +++ b/drivers/cpufreq/sparc-us2e-cpufreq.c
> @@ -269,7 +269,7 @@ static int us2e_freq_target(struct cpufreq_policy *policy, unsigned int index)
>         return smp_call_function_single(cpu, __us2e_freq_target, &index, 1);
>  }
>
> -static int __init us2e_freq_cpu_init(struct cpufreq_policy *policy)
> +static int us2e_freq_cpu_init(struct cpufreq_policy *policy)
>  {
>         unsigned int cpu = policy->cpu;
>         unsigned long clock_tick = sparc64_get_clock_tick(cpu) / 1000;
> diff --git a/drivers/cpufreq/sparc-us3-cpufreq.c b/drivers/cpufreq/sparc-us3-cpufreq.c
> index 91d1ed558136..6c3657679a88 100644
> --- a/drivers/cpufreq/sparc-us3-cpufreq.c
> +++ b/drivers/cpufreq/sparc-us3-cpufreq.c
> @@ -117,7 +117,7 @@ static int us3_freq_target(struct cpufreq_policy *policy, unsigned int index)
>         return smp_call_function_single(cpu, update_safari_cfg, &new_bits, 1);
>  }
>
> -static int __init us3_freq_cpu_init(struct cpufreq_policy *policy)
> +static int us3_freq_cpu_init(struct cpufreq_policy *policy)
>  {
>         unsigned int cpu = policy->cpu;
>         unsigned long clock_tick = sparc64_get_clock_tick(cpu) / 1000;
> --