@@ -64,6 +64,13 @@ static atomic_t in_suspend;
static struct thermal_governor *def_governor;
+/*
+ * Governor section: set of functions to handle thermal governors
+ *
+ * Functions to help in the life cycle of thermal governors within
+ * the thermal core and by the thermal governor code.
+ */
+
static struct thermal_governor *__find_governor(const char *name)
{
struct thermal_governor *pos;
@@ -206,6 +213,79 @@ exit:
return;
}
+int thermal_zone_device_set_policy(struct thermal_zone_device *tz,
+ char *policy)
+{
+ struct thermal_governor *gov;
+ int ret = -EINVAL;
+
+ mutex_lock(&thermal_governor_lock);
+ mutex_lock(&tz->lock);
+
+ gov = __find_governor(strim(policy));
+ if (!gov)
+ goto exit;
+
+ ret = thermal_set_governor(tz, gov);
+
+exit:
+ mutex_unlock(&tz->lock);
+ mutex_unlock(&thermal_governor_lock);
+
+ return ret;
+}
+
+int thermal_build_list_of_policies(char *buf)
+{
+ struct thermal_governor *pos;
+ ssize_t count = 0;
+ ssize_t size = PAGE_SIZE;
+
+ mutex_lock(&thermal_governor_lock);
+
+ list_for_each_entry(pos, &thermal_governor_list, governor_list) {
+ size = PAGE_SIZE - count;
+ count += scnprintf(buf + count, size, "%s ", pos->name);
+ }
+ count += scnprintf(buf + count, size, "\n");
+
+ mutex_unlock(&thermal_governor_lock);
+
+ return count;
+}
+
+static int __init thermal_register_governors(void)
+{
+ int result;
+
+ result = thermal_gov_step_wise_register();
+ if (result)
+ return result;
+
+ result = thermal_gov_fair_share_register();
+ if (result)
+ return result;
+
+ result = thermal_gov_bang_bang_register();
+ if (result)
+ return result;
+
+ result = thermal_gov_user_space_register();
+ if (result)
+ return result;
+
+ return thermal_gov_power_allocator_register();
+}
+
+static void thermal_unregister_governors(void)
+{
+ thermal_gov_step_wise_unregister();
+ thermal_gov_fair_share_unregister();
+ thermal_gov_bang_bang_unregister();
+ thermal_gov_user_space_unregister();
+ thermal_gov_power_allocator_unregister();
+}
+
static int get_idr(struct idr *idr, struct mutex *lock, int *id)
{
int ret;
@@ -609,47 +689,6 @@ void thermal_zone_device_passive_update(struct thermal_zone_device *tz,
thermal_zone_device_update(tz);
}
-int thermal_zone_device_set_policy(struct thermal_zone_device *tz,
- char *policy)
-{
- struct thermal_governor *gov;
- int ret = -EINVAL;
-
- mutex_lock(&thermal_governor_lock);
- mutex_lock(&tz->lock);
-
- gov = __find_governor(strim(policy));
- if (!gov)
- goto exit;
-
- ret = thermal_set_governor(tz, gov);
-
-exit:
- mutex_unlock(&tz->lock);
- mutex_unlock(&thermal_governor_lock);
-
- return ret;
-}
-
-int thermal_build_list_of_policies(char *buf)
-{
- struct thermal_governor *pos;
- ssize_t count = 0;
- ssize_t size = PAGE_SIZE;
-
- mutex_lock(&thermal_governor_lock);
-
- list_for_each_entry(pos, &thermal_governor_list, governor_list) {
- size = PAGE_SIZE - count;
- count += scnprintf(buf + count, size, "%s ", pos->name);
- }
- count += scnprintf(buf + count, size, "\n");
-
- mutex_unlock(&thermal_governor_lock);
-
- return count;
-}
-
/* Device management */
/**
@@ -1385,38 +1424,6 @@ static inline int genetlink_init(void) { return 0; }
static inline void genetlink_exit(void) {}
#endif /* !CONFIG_NET */
-static int __init thermal_register_governors(void)
-{
- int result;
-
- result = thermal_gov_step_wise_register();
- if (result)
- return result;
-
- result = thermal_gov_fair_share_register();
- if (result)
- return result;
-
- result = thermal_gov_bang_bang_register();
- if (result)
- return result;
-
- result = thermal_gov_user_space_register();
- if (result)
- return result;
-
- return thermal_gov_power_allocator_register();
-}
-
-static void thermal_unregister_governors(void)
-{
- thermal_gov_step_wise_unregister();
- thermal_gov_fair_share_unregister();
- thermal_gov_bang_bang_unregister();
- thermal_gov_user_space_unregister();
- thermal_gov_power_allocator_unregister();
-}
-
static int thermal_pm_notify(struct notifier_block *nb,
unsigned long mode, void *_unused)
{
Organize thermal core code to group the functions handling with governor manipulation in one single section. Cc: Zhang Rui <rui.zhang@intel.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Eduardo Valentin <edubezval@gmail.com> --- drivers/thermal/thermal_core.c | 153 +++++++++++++++++++++-------------------- 1 file changed, 80 insertions(+), 73 deletions(-)