linux-kernel - Re: [PATCH v2 08/16] thermal: Add a thermal zone id accessor

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Date:   Wed, 22 Feb 2023 20:45:03 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     rafael@...nel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Guenter Roeck <linux@...ck-us.net>,
        Jean Delvare <jdelvare@...e.com>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        "open list:HARDWARE MONITORING" <linux-hwmon@...r.kernel.org>
Subject: Re: [PATCH v2 08/16] thermal: Add a thermal zone id accessor

On Tue, Feb 21, 2023 at 7:08 PM Daniel Lezcano
<daniel.lezcano@...aro.org> wrote:
>
> In order to get the thermal zone id but without directly accessing the
> thermal zone device structure, add an accessor.
>
> Use the accessor from the hwmon_scmi
>
> No functional change intented.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
> Acked-by: Guenter Roeck <linux@...ck-us.net>

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

> ---
>  drivers/hwmon/scmi-hwmon.c     | 2 +-
>  drivers/thermal/thermal_core.c | 6 ++++++
>  include/linux/thermal.h        | 2 ++
>  3 files changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/hwmon/scmi-hwmon.c b/drivers/hwmon/scmi-hwmon.c
> index 046ac157749d..6681478ea41c 100644
> --- a/drivers/hwmon/scmi-hwmon.c
> +++ b/drivers/hwmon/scmi-hwmon.c
> @@ -220,7 +220,7 @@ static int scmi_thermal_sensor_register(struct device *dev,
>                         sensor->name);
>         } else {
>                 dev_dbg(dev, "Sensor '%s' attached to thermal zone ID:%d\n",
> -                       sensor->name, tzd->id);
> +                       sensor->name, thermal_zone_device_get_id(tzd));
>         }
>
>         return 0;
> diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
> index 9fa12147fead..73b7a060f768 100644
> --- a/drivers/thermal/thermal_core.c
> +++ b/drivers/thermal/thermal_core.c
> @@ -1384,6 +1384,12 @@ void *thermal_zone_device_priv(struct thermal_zone_device *tzd)
>  }
>  EXPORT_SYMBOL_GPL(thermal_zone_device_priv);
>
> +int thermal_zone_device_get_id(struct thermal_zone_device *tzd)
> +{
> +       return tzd->id;
> +}
> +EXPORT_SYMBOL_GPL(thermal_zone_device_get_id);
> +
>  /**
>   * thermal_zone_device_unregister - removes the registered thermal zone device
>   * @tz: the thermal zone device to remove
> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> index 7dbb5712434c..321aa3c71f58 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -367,6 +367,8 @@ thermal_zone_device_register_with_trips(const char *, struct thermal_trip *, int
>
>  void *thermal_zone_device_priv(struct thermal_zone_device *tzd);
>
> +int thermal_zone_device_get_id(struct thermal_zone_device *tzd);
> +
>  int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,
>                                      struct thermal_cooling_device *,
>                                      unsigned long, unsigned long,
> --
> 2.34.1
>