diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_conservative.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_conservative.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index fe565ee43757..e2657837d954 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -333,7 +333,7 @@ static void dbs_check_cpu(int cpu) { unsigned int idle_ticks, up_idle_ticks, down_idle_ticks; unsigned int tmp_idle_ticks, total_idle_ticks; - unsigned int freq_step; + unsigned int freq_target; unsigned int freq_down_sampling_rate; struct cpu_dbs_info_s *this_dbs_info = &per_cpu(cpu_dbs_info, cpu); struct cpufreq_policy *policy; @@ -383,13 +383,13 @@ static void dbs_check_cpu(int cpu) if (this_dbs_info->requested_freq == policy->max) return; - freq_step = (dbs_tuners_ins.freq_step * policy->max) / 100; + freq_target = (dbs_tuners_ins.freq_step * policy->max) / 100; /* max freq cannot be less than 100. But who knows.... */ - if (unlikely(freq_step == 0)) - freq_step = 5; + if (unlikely(freq_target == 0)) + freq_target = 5; - this_dbs_info->requested_freq += freq_step; + this_dbs_info->requested_freq += freq_target; if (this_dbs_info->requested_freq > policy->max) this_dbs_info->requested_freq = policy->max; @@ -425,19 +425,19 @@ static void dbs_check_cpu(int cpu) /* * if we are already at the lowest speed then break out early * or if we 'cannot' reduce the speed as the user might want - * freq_step to be zero + * freq_target to be zero */ if (this_dbs_info->requested_freq == policy->min || dbs_tuners_ins.freq_step == 0) return; - freq_step = (dbs_tuners_ins.freq_step * policy->max) / 100; + freq_target = (dbs_tuners_ins.freq_step * policy->max) / 100; /* max freq cannot be less than 100. But who knows.... */ - if (unlikely(freq_step == 0)) - freq_step = 5; + if (unlikely(freq_target == 0)) + freq_target = 5; - this_dbs_info->requested_freq -= freq_step; + this_dbs_info->requested_freq -= freq_target; if (this_dbs_info->requested_freq < policy->min) this_dbs_info->requested_freq = policy->min; @@ -460,6 +460,7 @@ static void do_dbs_timer(struct work_struct *work) static inline void dbs_timer_init(void) { + init_timer_deferrable(&dbs_work.timer); schedule_delayed_work(&dbs_work, usecs_to_jiffies(dbs_tuners_ins.sampling_rate)); return; @@ -575,13 +576,15 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, return 0; } +#ifndef CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE +static +#endif struct cpufreq_governor cpufreq_gov_conservative = { .name = "conservative", .governor = cpufreq_governor_dbs, .max_transition_latency = TRANSITION_LATENCY_LIMIT, .owner = THIS_MODULE, }; -EXPORT_SYMBOL(cpufreq_gov_conservative); static int __init cpufreq_gov_dbs_init(void) { |