Re: [PATCH 10/13] thermal: Make struct thermal_zone_device_ops const

From: Eduardo Valentin
Date: Mon Apr 06 2015 - 23:29:46 EST


On Thu, Mar 26, 2015 at 04:53:57PM +0100, Sascha Hauer wrote:
> Now that the of thermal support no longer changes the
> thermal_zone_device_ops it can be const again.
>
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> ---
> drivers/thermal/thermal_core.c | 2 +-
> include/linux/thermal.h | 6 +++---

I believe this change deserves to be done together with the required driver
updates on those parts that calls this function.

> 2 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
> index acf00b5..dcdf45e 100644
> --- a/drivers/thermal/thermal_core.c
> +++ b/drivers/thermal/thermal_core.c
> @@ -1455,7 +1455,7 @@ static void remove_trip_attrs(struct thermal_zone_device *tz)
> */
> struct thermal_zone_device *thermal_zone_device_register(const char *type,
> int trips, int mask, void *devdata,
> - struct thermal_zone_device_ops *ops,
> + const struct thermal_zone_device_ops *ops,
> const struct thermal_zone_params *tzp,
> int passive_delay, int polling_delay)
> {
> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> index 2f77091..ac2897c 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -185,7 +185,7 @@ struct thermal_zone_device {
> unsigned long emul_temperature;
> int passive;
> unsigned int forced_passive;
> - struct thermal_zone_device_ops *ops;
> + const struct thermal_zone_device_ops *ops;
> const struct thermal_zone_params *tzp;
> struct thermal_governor *governor;
> struct list_head thermal_instances;
> @@ -317,7 +317,7 @@ void thermal_zone_of_sensor_unregister(struct device *dev,
>
> #if IS_ENABLED(CONFIG_THERMAL)
> struct thermal_zone_device *thermal_zone_device_register(const char *, int, int,
> - void *, struct thermal_zone_device_ops *,
> + void *, const struct thermal_zone_device_ops *,
> const struct thermal_zone_params *, int, int);
> void thermal_zone_device_unregister(struct thermal_zone_device *);
>
> @@ -345,7 +345,7 @@ void thermal_notify_framework(struct thermal_zone_device *, int);
> #else
> static inline struct thermal_zone_device *thermal_zone_device_register(
> const char *type, int trips, int mask, void *devdata,
> - struct thermal_zone_device_ops *ops,
> + const struct thermal_zone_device_ops *ops,
> const struct thermal_zone_params *tzp,
> int passive_delay, int polling_delay)
> { return ERR_PTR(-ENODEV); }
> --
> 2.1.4
>

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