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thermal/drivers/of-thermal: Make of_thermal_destroy_zones static

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The function of_thermal_destroy_zones() is only used internally by the
of_parse_thermal_zones() for rollbacking in case of error.

Make it static and tag it as an __init function.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191219222154.16100-1-daniel.lezcano@linaro.org
This commit is contained in:
Daniel Lezcano 2019-12-19 23:21:52 +01:00
parent 23affa2e29
commit 8c24b85d2d
2 changed files with 32 additions and 34 deletions
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64
drivers/thermal/of-thermal.c
View File

@ -998,6 +998,38 @@ static inline void of_thermal_free_zone(struct __thermal_zone *tz)
kfree(tz); kfree(tz);
} }
/**
* of_thermal_destroy_zones - remove all zones parsed and allocated resources
*
* Finds all zones parsed and added to the thermal framework and remove them
* from the system, together with their resources.
*
*/
static __init void of_thermal_destroy_zones(void)
{
struct device_node *np, *child;
np = of_find_node_by_name(NULL, "thermal-zones");
if (!np) {
pr_debug("unable to find thermal zones\n");
return;
}
for_each_available_child_of_node(np, child) {
struct thermal_zone_device *zone;
zone = thermal_zone_get_zone_by_name(child->name);
if (IS_ERR(zone))
continue;
thermal_zone_device_unregister(zone);
kfree(zone->tzp);
kfree(zone->ops);
of_thermal_free_zone(zone->devdata);
}
of_node_put(np);
}
/** /**
* of_parse_thermal_zones - parse device tree thermal data * of_parse_thermal_zones - parse device tree thermal data
* *
@ -1087,35 +1119,3 @@ int __init of_parse_thermal_zones(void)
return -ENOMEM; return -ENOMEM;
} }
/**
* of_thermal_destroy_zones - remove all zones parsed and allocated resources
*
* Finds all zones parsed and added to the thermal framework and remove them
* from the system, together with their resources.
*
*/
void of_thermal_destroy_zones(void)
{
struct device_node *np, *child;
np = of_find_node_by_name(NULL, "thermal-zones");
if (!np) {
pr_debug("unable to find thermal zones\n");
return;
}
for_each_available_child_of_node(np, child) {
struct thermal_zone_device *zone;
zone = thermal_zone_get_zone_by_name(child->name);
if (IS_ERR(zone))
continue;
thermal_zone_device_unregister(zone);
kfree(zone->tzp);
kfree(zone->ops);
of_thermal_free_zone(zone->devdata);
}
of_node_put(np);
}

2
drivers/thermal/thermal_core.h
View File

@ -92,14 +92,12 @@ thermal_cooling_device_stats_update(struct thermal_cooling_device *cdev,
/* device tree support */ /* device tree support */
#ifdef CONFIG_THERMAL_OF #ifdef CONFIG_THERMAL_OF
int of_parse_thermal_zones(void); int of_parse_thermal_zones(void);
void of_thermal_destroy_zones(void);
int of_thermal_get_ntrips(struct thermal_zone_device *); int of_thermal_get_ntrips(struct thermal_zone_device *);
bool of_thermal_is_trip_valid(struct thermal_zone_device *, int); bool of_thermal_is_trip_valid(struct thermal_zone_device *, int);
const struct thermal_trip * const struct thermal_trip *
of_thermal_get_trip_points(struct thermal_zone_device *); of_thermal_get_trip_points(struct thermal_zone_device *);
#else #else
static inline int of_parse_thermal_zones(void) { return 0; } static inline int of_parse_thermal_zones(void) { return 0; }
static inline void of_thermal_destroy_zones(void) { }
static inline int of_thermal_get_ntrips(struct thermal_zone_device *tz) static inline int of_thermal_get_ntrips(struct thermal_zone_device *tz)
{ {
return 0; return 0;