diff options
Diffstat (limited to 'include/linux/cpufreq.h')
| -rw-r--r-- | include/linux/cpufreq.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 490d577aa144..a998cf205cdc 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -394,6 +394,7 @@ static inline void cpufreq_resume(void) {} #define CPUFREQ_TRANSITION_NOTIFIER (0) #define CPUFREQ_POLICY_NOTIFIER (1) +#define CPUFREQ_GOVINFO_NOTIFIER (2) /* Transition notifiers */ #define CPUFREQ_PRECHANGE (0) @@ -406,6 +407,9 @@ static inline void cpufreq_resume(void) {} #define CPUFREQ_CREATE_POLICY (3) #define CPUFREQ_REMOVE_POLICY (4) +/* Govinfo Notifiers */ +#define CPUFREQ_LOAD_CHANGE (0) + #ifdef CONFIG_CPU_FREQ int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list); int cpufreq_unregister_notifier(struct notifier_block *nb, unsigned int list); @@ -414,6 +418,16 @@ void cpufreq_freq_transition_begin(struct cpufreq_policy *policy, struct cpufreq_freqs *freqs); void cpufreq_freq_transition_end(struct cpufreq_policy *policy, struct cpufreq_freqs *freqs, int transition_failed); +/* + * Governor specific info that can be passed to modules that subscribe + * to CPUFREQ_GOVINFO_NOTIFIER + */ +struct cpufreq_govinfo { + unsigned int cpu; + unsigned int load; + unsigned int sampling_rate_us; +}; +extern struct atomic_notifier_head cpufreq_govinfo_notifier_list; #else /* CONFIG_CPU_FREQ */ static inline int cpufreq_register_notifier(struct notifier_block *nb, |