diff options
Diffstat (limited to 'include/linux/cpufreq.h')
| -rw-r--r-- | include/linux/cpufreq.h | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index a22944ca052..037d36ae63e 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -106,6 +106,7 @@ struct cpufreq_policy { * governors are used */ unsigned int policy; /* see above */ struct cpufreq_governor *governor; /* see below */ + void *governor_data; struct work_struct update; /* if update_policy() needs to be * called, but you're in IRQ context */ @@ -178,9 +179,11 @@ static inline unsigned long cpufreq_scale(unsigned long old, u_int div, u_int mu * CPUFREQ GOVERNORS * *********************************************************************/ -#define CPUFREQ_GOV_START 1 -#define CPUFREQ_GOV_STOP 2 -#define CPUFREQ_GOV_LIMITS 3 +#define CPUFREQ_GOV_START 1 +#define CPUFREQ_GOV_STOP 2 +#define CPUFREQ_GOV_LIMITS 3 +#define CPUFREQ_GOV_POLICY_INIT 4 +#define CPUFREQ_GOV_POLICY_EXIT 5 struct cpufreq_governor { char name[CPUFREQ_NAME_LEN]; @@ -229,6 +232,13 @@ struct cpufreq_driver { struct module *owner; char name[CPUFREQ_NAME_LEN]; u8 flags; + /* + * This should be set by platforms having multiple clock-domains, i.e. + * supporting multiple policies. With this sysfs directories of governor + * would be created in cpu/cpu<num>/cpufreq/ directory and so they can + * use the same governor with different tunables for different clusters. + */ + bool have_governor_per_policy; /* needed by all drivers */ int (*init) (struct cpufreq_policy *policy); @@ -268,8 +278,8 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data); int cpufreq_unregister_driver(struct cpufreq_driver *driver_data); -void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state); - +void cpufreq_notify_transition(struct cpufreq_policy *policy, + struct cpufreq_freqs *freqs, unsigned int state); static inline void cpufreq_verify_within_limits(struct cpufreq_policy *policy, unsigned int min, unsigned int max) { @@ -329,6 +339,7 @@ const char *cpufreq_get_current_driver(void); *********************************************************************/ int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu); int cpufreq_update_policy(unsigned int cpu); +bool have_governor_per_policy(void); #ifdef CONFIG_CPU_FREQ /* query the current CPU frequency (in kHz). If zero, cpufreq couldn't detect it */ |