diff options
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 15 | ||||
| -rw-r--r-- | include/linux/cpufreq.h | 2 |
2 files changed, 16 insertions, 1 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 8dda62367816..c13dcb59b30c 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1266,7 +1266,17 @@ static void cpufreq_policy_free(struct cpufreq_policy *policy) DEV_PM_QOS_MAX_FREQUENCY); dev_pm_qos_remove_notifier(dev, &policy->nb_min, DEV_PM_QOS_MIN_FREQUENCY); - dev_pm_qos_remove_request(policy->max_freq_req); + + if (policy->max_freq_req) { + /* + * CPUFREQ_CREATE_POLICY notification is sent only after + * successfully adding max_freq_req request. + */ + blocking_notifier_call_chain(&cpufreq_policy_notifier_list, + CPUFREQ_REMOVE_POLICY, policy); + dev_pm_qos_remove_request(policy->max_freq_req); + } + dev_pm_qos_remove_request(policy->min_freq_req); kfree(policy->min_freq_req); @@ -1391,6 +1401,9 @@ static int cpufreq_online(unsigned int cpu) ret); goto out_destroy_policy; } + + blocking_notifier_call_chain(&cpufreq_policy_notifier_list, + CPUFREQ_CREATE_POLICY, policy); } if (cpufreq_driver->get && has_target()) { diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 536a049d7ecc..afc10384a681 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -458,6 +458,8 @@ static inline void cpufreq_resume(void) {} /* Policy Notifiers */ #define CPUFREQ_ADJUST (0) #define CPUFREQ_NOTIFY (1) +#define CPUFREQ_CREATE_POLICY (2) +#define CPUFREQ_REMOVE_POLICY (3) #ifdef CONFIG_CPU_FREQ int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list); |