thermal: core: group functions related to governor handling
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> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Eduardo Valentin
Zhang Rui
Родитель
cd221c7b63
Коммит
1b4f48494e
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@ -64,6 +64,13 @@ static atomic_t in_suspend;
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static struct thermal_governor *def_governor;
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/*
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* Governor section: set of functions to handle thermal governors
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*
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* Functions to help in the life cycle of thermal governors within
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* the thermal core and by the thermal governor code.
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*/
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static struct thermal_governor *__find_governor(const char *name)
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{
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struct thermal_governor *pos;
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@ -206,6 +213,79 @@ exit:
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return;
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}
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int thermal_zone_device_set_policy(struct thermal_zone_device *tz,
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char *policy)
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{
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struct thermal_governor *gov;
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int ret = -EINVAL;
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mutex_lock(&thermal_governor_lock);
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mutex_lock(&tz->lock);
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gov = __find_governor(strim(policy));
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if (!gov)
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goto exit;
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ret = thermal_set_governor(tz, gov);
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exit:
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mutex_unlock(&tz->lock);
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mutex_unlock(&thermal_governor_lock);
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return ret;
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}
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int thermal_build_list_of_policies(char *buf)
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{
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struct thermal_governor *pos;
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ssize_t count = 0;
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ssize_t size = PAGE_SIZE;
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mutex_lock(&thermal_governor_lock);
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list_for_each_entry(pos, &thermal_governor_list, governor_list) {
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size = PAGE_SIZE - count;
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count += scnprintf(buf + count, size, "%s ", pos->name);
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}
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count += scnprintf(buf + count, size, "\n");
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mutex_unlock(&thermal_governor_lock);
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return count;
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}
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static int __init thermal_register_governors(void)
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{
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int result;
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result = thermal_gov_step_wise_register();
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if (result)
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return result;
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result = thermal_gov_fair_share_register();
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if (result)
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return result;
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result = thermal_gov_bang_bang_register();
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if (result)
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return result;
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result = thermal_gov_user_space_register();
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if (result)
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return result;
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return thermal_gov_power_allocator_register();
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}
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static void thermal_unregister_governors(void)
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{
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thermal_gov_step_wise_unregister();
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thermal_gov_fair_share_unregister();
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thermal_gov_bang_bang_unregister();
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thermal_gov_user_space_unregister();
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thermal_gov_power_allocator_unregister();
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}
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static int get_idr(struct idr *idr, struct mutex *lock, int *id)
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{
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int ret;
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@ -617,47 +697,6 @@ void thermal_zone_device_unbind_exception(struct thermal_zone_device *tz,
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mutex_unlock(&thermal_list_lock);
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}
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int thermal_zone_device_set_policy(struct thermal_zone_device *tz,
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char *policy)
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{
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struct thermal_governor *gov;
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int ret = -EINVAL;
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mutex_lock(&thermal_governor_lock);
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mutex_lock(&tz->lock);
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gov = __find_governor(strim(policy));
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if (!gov)
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goto exit;
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ret = thermal_set_governor(tz, gov);
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exit:
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mutex_unlock(&tz->lock);
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mutex_unlock(&thermal_governor_lock);
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return ret;
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}
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int thermal_build_list_of_policies(char *buf)
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{
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struct thermal_governor *pos;
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ssize_t count = 0;
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ssize_t size = PAGE_SIZE;
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mutex_lock(&thermal_governor_lock);
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list_for_each_entry(pos, &thermal_governor_list, governor_list) {
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size = PAGE_SIZE - count;
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count += scnprintf(buf + count, size, "%s ", pos->name);
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}
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count += scnprintf(buf + count, size, "\n");
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mutex_unlock(&thermal_governor_lock);
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return count;
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}
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/* Device management */
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/**
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@ -1424,38 +1463,6 @@ static inline int genetlink_init(void) { return 0; }
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static inline void genetlink_exit(void) {}
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#endif /* !CONFIG_NET */
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static int __init thermal_register_governors(void)
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{
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int result;
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result = thermal_gov_step_wise_register();
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if (result)
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return result;
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result = thermal_gov_fair_share_register();
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if (result)
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return result;
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result = thermal_gov_bang_bang_register();
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if (result)
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return result;
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result = thermal_gov_user_space_register();
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if (result)
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return result;
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return thermal_gov_power_allocator_register();
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}
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static void thermal_unregister_governors(void)
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{
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thermal_gov_step_wise_unregister();
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thermal_gov_fair_share_unregister();
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thermal_gov_bang_bang_unregister();
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thermal_gov_user_space_unregister();
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thermal_gov_power_allocator_unregister();
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}
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static int thermal_pm_notify(struct notifier_block *nb,
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unsigned long mode, void *_unused)
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{
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