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SubjectRe: [PATCH 1/2] thermal: core: Make thermal_zone_set_trips private
On Tue, Mar 31, 2020 at 10:26 PM Daniel Lezcano
<daniel.lezcano@linaro.org> wrote:
>
> The function thermal_zone_set_trips() is used by the thermal core code
> in order to update the next trip points, there are no other users.
>
> Move the function definition in the thermal_core.h, remove the
> EXPORT_SYMBOL_GPL and document the function.
>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>

> ---
> drivers/thermal/thermal_core.h | 3 +++
> drivers/thermal/thermal_helpers.c | 13 ++++++++++++-
> include/linux/thermal.h | 3 ---
> 3 files changed, 15 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
> index a9bf00e91d64..37cd4e2bead2 100644
> --- a/drivers/thermal/thermal_core.h
> +++ b/drivers/thermal/thermal_core.h
> @@ -69,6 +69,9 @@ void thermal_zone_device_unbind_exception(struct thermal_zone_device *,
> int thermal_zone_device_set_policy(struct thermal_zone_device *, char *);
> int thermal_build_list_of_policies(char *buf);
>
> +/* Helpers */
> +void thermal_zone_set_trips(struct thermal_zone_device *tz);
> +
> /* sysfs I/F */
> int thermal_zone_create_device_groups(struct thermal_zone_device *, int);
> void thermal_zone_destroy_device_groups(struct thermal_zone_device *);
> diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c
> index 2ba756af76b7..59eaf2d0fdb3 100644
> --- a/drivers/thermal/thermal_helpers.c
> +++ b/drivers/thermal/thermal_helpers.c
> @@ -113,6 +113,18 @@ int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp)
> }
> EXPORT_SYMBOL_GPL(thermal_zone_get_temp);
>
> +/**
> + * thermal_zone_set_trips - Computes the next trip points for the driver
> + * @tz: a pointer to a thermal zone device structure
> + *
> + * The function computes the next temperature boundaries by browsing
> + * the trip points. The result is the closer low and high trip points
> + * to the current temperature. These values are passed to the backend
> + * driver to let it set its own notification mechanism (usually an
> + * interrupt).
> + *
> + * It does not return a value
> + */
> void thermal_zone_set_trips(struct thermal_zone_device *tz)
> {
> int low = -INT_MAX;
> @@ -161,7 +173,6 @@ void thermal_zone_set_trips(struct thermal_zone_device *tz)
> exit:
> mutex_unlock(&tz->lock);
> }
> -EXPORT_SYMBOL_GPL(thermal_zone_set_trips);
>
> void thermal_cdev_update(struct thermal_cooling_device *cdev)
> {
> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> index c91b1e344d56..448841ab0dca 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -439,7 +439,6 @@ int thermal_zone_unbind_cooling_device(struct thermal_zone_device *, int,
> struct thermal_cooling_device *);
> void thermal_zone_device_update(struct thermal_zone_device *,
> enum thermal_notify_event);
> -void thermal_zone_set_trips(struct thermal_zone_device *);
>
> struct thermal_cooling_device *thermal_cooling_device_register(const char *,
> void *, const struct thermal_cooling_device_ops *);
> @@ -497,8 +496,6 @@ static inline int thermal_zone_unbind_cooling_device(
> static inline void thermal_zone_device_update(struct thermal_zone_device *tz,
> enum thermal_notify_event event)
> { }
> -static inline void thermal_zone_set_trips(struct thermal_zone_device *tz)
> -{ }
> static inline struct thermal_cooling_device *
> thermal_cooling_device_register(char *type, void *devdata,
> const struct thermal_cooling_device_ops *ops)
> --
> 2.17.1
>

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