linux-kernel - Re: [PATCH] thermal: core: export the governor register related API

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Message-ID: <CAJZ5v0jYX8QJjFzOTSWFf7PnBP+twm3Ww+9MVqwAsJrPx1fycQ@mail.gmail.com>
Date: Thu, 28 Dec 2023 21:23:50 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Di Shen <di.shen@...soc.com>
Cc: rafael@...nel.org, daniel.lezcano@...aro.org, rui.zhang@...el.com, 
	lukasz.luba@....com, linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	xuewen.yan@...soc.com, zhanglyra@...il.com, orsonzhai@...il.com
Subject: Re: [PATCH] thermal: core: export the governor register related API

On Thu, Dec 28, 2023 at 11:39 AM Di Shen <di.shen@...soc.com> wrote:
>
> To enable users to register their own thermal governor,

Why would anyone want to do that?

> this patch
> exports thermal_register_governor() and thermal_unregister_governor().
> This change would not affect the registration of the default governor.
>
> Signed-off-by: Di Shen <di.shen@...soc.com>
> ---
>  drivers/thermal/thermal_core.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
> index 9c17d35ccbbd..56695988e20f 100644
> --- a/drivers/thermal/thermal_core.c
> +++ b/drivers/thermal/thermal_core.c
> @@ -167,6 +167,7 @@ int thermal_register_governor(struct thermal_governor *governor)
>
>         return err;
>  }
> +EXPORT_SYMBOL_GPL(thermal_register_governor);
>
>  void thermal_unregister_governor(struct thermal_governor *governor)
>  {
> @@ -193,6 +194,7 @@ void thermal_unregister_governor(struct thermal_governor *governor)
>  exit:
>         mutex_unlock(&thermal_governor_lock);
>  }
> +EXPORT_SYMBOL_GPL(thermal_unregister_governor);
>
>  int thermal_zone_device_set_policy(struct thermal_zone_device *tz,
>                                    char *policy)
> --
> 2.17.1
>