diff options
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/cpufreq_ondemand.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 58aa85ea5ec6..059179db1985 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -642,12 +642,7 @@ static void do_dbs_timer(struct work_struct *work) unsigned int cpu = dbs_info->cpu; int sample_type = dbs_info->sample_type; - /* We want all CPUs to do sampling nearly on same jiffy */ - int delay = usecs_to_jiffies(dbs_tuners_ins.sampling_rate - * dbs_info->rate_mult); - - if (num_online_cpus() > 1) - delay -= jiffies % delay; + int delay; mutex_lock(&dbs_info->timer_mutex); @@ -660,10 +655,20 @@ static void do_dbs_timer(struct work_struct *work) /* Setup timer for SUB_SAMPLE */ dbs_info->sample_type = DBS_SUB_SAMPLE; delay = dbs_info->freq_hi_jiffies; + } else { + /* We want all CPUs to do sampling nearly on + * same jiffy + */ + delay = usecs_to_jiffies(dbs_tuners_ins.sampling_rate + * dbs_info->rate_mult); + + if (num_online_cpus() > 1) + delay -= jiffies % delay; } } else { __cpufreq_driver_target(dbs_info->cur_policy, dbs_info->freq_lo, CPUFREQ_RELATION_H); + delay = dbs_info->freq_lo_jiffies; } schedule_delayed_work_on(cpu, &dbs_info->work, delay); mutex_unlock(&dbs_info->timer_mutex); |