diff options
| author | Dmitry Shmidt <dimitrysh@google.com> | 2016-09-08 17:02:15 -0700 |
|---|---|---|
| committer | Dmitry Shmidt <dimitrysh@google.com> | 2016-09-08 17:07:42 -0700 |
| commit | 341e02d8bbeeda14cfc946ffbcb492dc9823487b (patch) | |
| tree | a46f6c9f2483a7c3e64730b5dbde202dc2678efc /include/linux/cpufreq.h | |
| parent | a38338f1cd595f6a66870ba46cc6a4ae7378c084 (diff) | |
| parent | 81330959ee15a682fbefcdd4f5350a979d8e8fdb (diff) | |
Merge remote-tracking branch 'linaro-ext/EAS/v4.4-easv5.2+aosp-changes' into android-4.4
Change-Id: Ic24b43ee867bc4f70b31bedaad734717b64b86a1
Diffstat (limited to 'include/linux/cpufreq.h')
| -rw-r--r-- | include/linux/cpufreq.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 3ac01621cd1f..60571292a802 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -160,6 +160,7 @@ u64 get_cpu_idle_time(unsigned int cpu, u64 *wall, int io_busy); int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu); int cpufreq_update_policy(unsigned int cpu); bool have_governor_per_policy(void); +bool cpufreq_driver_is_slow(void); struct kobject *get_governor_parent_kobj(struct cpufreq_policy *policy); #else static inline unsigned int cpufreq_get(unsigned int cpu) @@ -317,6 +318,14 @@ struct cpufreq_driver { */ #define CPUFREQ_NEED_INITIAL_FREQ_CHECK (1 << 5) +/* + * Indicates that it is safe to call cpufreq_driver_target from + * non-interruptable context in scheduler hot paths. Drivers must + * opt-in to this flag, as the safe default is that they might sleep + * or be too slow for hot path use. + */ +#define CPUFREQ_DRIVER_FAST (1 << 6) + int cpufreq_register_driver(struct cpufreq_driver *driver_data); int cpufreq_unregister_driver(struct cpufreq_driver *driver_data); @@ -490,6 +499,9 @@ extern struct cpufreq_governor cpufreq_gov_conservative; #elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_INTERACTIVE) extern struct cpufreq_governor cpufreq_gov_interactive; #define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_interactive) +#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_SCHED) +extern struct cpufreq_governor cpufreq_gov_sched; +#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_sched) #endif /********************************************************************* @@ -619,4 +631,8 @@ unsigned int cpufreq_generic_get(unsigned int cpu); int cpufreq_generic_init(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table, unsigned int transition_latency); + +struct sched_domain; +unsigned long cpufreq_scale_freq_capacity(struct sched_domain *sd, int cpu); +unsigned long cpufreq_scale_max_freq_capacity(int cpu); #endif /* _LINUX_CPUFREQ_H */ |