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thermal/core: Remove thermal_zone_set_trips()

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Since no callers of thermal_zone_set_trips() are left, remove the function.
Document __thermal_zone_set_trips() instead. Explicitly state that the
thermal zone lock must be held when calling the function, and that the
pointer to the thermal zone must be valid.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Guenter Roeck 2022-11-10 07:24:59 -08:00 committed by Rafael J. Wysocki
parent 05eeee2b51
commit 91b3aafc22
2 changed files with 15 additions and 20 deletions
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1
drivers/thermal/thermal_core.h
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@ -113,7 +113,6 @@ void __thermal_zone_device_update(struct thermal_zone_device *tz,
enum thermal_notify_event event);
/* Helpers */
void thermal_zone_set_trips(struct thermal_zone_device *tz);
void __thermal_zone_set_trips(struct thermal_zone_device *tz);
int __thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp);

34
drivers/thermal/thermal_helpers.c
View File

@ -147,6 +147,21 @@ unlock:
}
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).
*
* This function must be called with tz->lock held. Both tz and tz->ops
* must be valid pointers.
*
* It does not return a value
*/
void __thermal_zone_set_trips(struct thermal_zone_device *tz)
{
int low = -INT_MAX;
@ -193,25 +208,6 @@ void __thermal_zone_set_trips(struct thermal_zone_device *tz)
dev_err(&tz->device, "Failed to set trips: %d\n", ret);
}
/**
* 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)
{
mutex_lock(&tz->lock);
__thermal_zone_set_trips(tz);
mutex_unlock(&tz->lock);
}
static void thermal_cdev_set_cur_state(struct thermal_cooling_device *cdev,
int target)
{