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| author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2020-03-31 19:54:48 +0300 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2020-04-14 12:41:12 +0300 |
| commit | bceb5646a15dad49ceb29ec16b8acc10075d0627 (patch) | |
| tree | bae77696e1c7857fb0b151d2cf5b7d6d90dfad85 /drivers/thermal | |
| parent | d2bc4dd91da6095a769fdc9bc519d3be7ad5f97a (diff) | |
| download | linux-bceb5646a15dad49ceb29ec16b8acc10075d0627.tar.xz | |
thermal: core: Make thermal_zone_set_trips private
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: Lukasz Luba <lukasz.luba@arm.com>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Link: https://lore.kernel.org/r/20200331165449.30355-1-daniel.lezcano@linaro.org
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/thermal_core.h | 3 | ||||
| -rw-r--r-- | drivers/thermal/thermal_helpers.c | 13 |
2 files changed, 15 insertions, 1 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 @@ exit: } 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) { |