diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_governor.h')
| -rw-r--r-- | drivers/cpufreq/cpufreq_governor.h | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h index 0c7589016b6c..76742902491e 100644 --- a/drivers/cpufreq/cpufreq_governor.h +++ b/drivers/cpufreq/cpufreq_governor.h @@ -132,12 +132,20 @@ static void *get_cpu_dbs_info_s(int cpu) \ struct cpu_common_dbs_info { struct cpufreq_policy *policy; /* - * percpu mutex that serializes governor limit change with dbs_timer - * invocation. We do not want dbs_timer to run when user is changing - * the governor or limits. + * Per policy mutex that serializes load evaluation from limit-change + * and work-handler. */ struct mutex timer_mutex; + + /* + * Per policy lock that serializes access to queuing work from timer + * handlers. + */ + spinlock_t timer_lock; + ktime_t time_stamp; + unsigned int skip_work; + struct work_struct work; }; /* Per cpu structures */ @@ -152,7 +160,7 @@ struct cpu_dbs_info { * wake-up from idle. */ unsigned int prev_load; - struct delayed_work dwork; + struct timer_list timer; struct cpu_common_dbs_info *shared; }; @@ -268,11 +276,11 @@ static ssize_t show_sampling_rate_min_gov_pol \ extern struct mutex cpufreq_governor_lock; +void gov_add_timers(struct cpufreq_policy *policy, unsigned int delay); +void gov_cancel_work(struct cpu_common_dbs_info *shared); void dbs_check_cpu(struct dbs_data *dbs_data, int cpu); int cpufreq_governor_dbs(struct cpufreq_policy *policy, struct common_dbs_data *cdata, unsigned int event); -void gov_queue_work(struct dbs_data *dbs_data, struct cpufreq_policy *policy, - unsigned int delay, bool all_cpus); void od_register_powersave_bias_handler(unsigned int (*f) (struct cpufreq_policy *, unsigned int, unsigned int), unsigned int powersave_bias); |