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Subject[PATCH 1/2] thermal/drivers/of-thermal: Make of_thermal_destroy_zones static
Date
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>
---
drivers/thermal/of-thermal.c | 64 +++++++++++++++++-----------------
drivers/thermal/thermal_core.h | 2 --
2 files changed, 32 insertions(+), 34 deletions(-)

diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index dc5093be553e..4333cd5f1073 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -998,6 +998,38 @@ static inline void of_thermal_free_zone(struct __thermal_zone *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
*
@@ -1087,35 +1119,3 @@ int __init of_parse_thermal_zones(void)

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);
-}
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h
index 207b0cda70da..a9bf00e91d64 100644
--- a/drivers/thermal/thermal_core.h
+++ b/drivers/thermal/thermal_core.h
@@ -92,14 +92,12 @@ thermal_cooling_device_stats_update(struct thermal_cooling_device *cdev,
/* device tree support */
#ifdef CONFIG_THERMAL_OF
int of_parse_thermal_zones(void);
-void of_thermal_destroy_zones(void);
int of_thermal_get_ntrips(struct thermal_zone_device *);
bool of_thermal_is_trip_valid(struct thermal_zone_device *, int);
const struct thermal_trip *
of_thermal_get_trip_points(struct thermal_zone_device *);
#else
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)
{
return 0;
--
2.17.1
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