diff options
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/cpufreq_ondemand.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index d52f9b426521..a480834c9627 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -52,19 +52,20 @@ static unsigned int def_sampling_rate; static void do_dbs_timer(struct work_struct *work); /* Sampling types */ -enum dbs_sample {DBS_NORMAL_SAMPLE, DBS_SUB_SAMPLE}; +enum {DBS_NORMAL_SAMPLE, DBS_SUB_SAMPLE}; struct cpu_dbs_info_s { cputime64_t prev_cpu_idle; cputime64_t prev_cpu_wall; struct cpufreq_policy *cur_policy; struct delayed_work work; - enum dbs_sample sample_type; - unsigned int enable; struct cpufreq_frequency_table *freq_table; unsigned int freq_lo; unsigned int freq_lo_jiffies; unsigned int freq_hi_jiffies; + int cpu; + unsigned int enable:1, + sample_type:1; }; static DEFINE_PER_CPU(struct cpu_dbs_info_s, cpu_dbs_info); @@ -402,7 +403,7 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) if (load < (dbs_tuners_ins.up_threshold - 10)) { unsigned int freq_next, freq_cur; - freq_cur = cpufreq_driver_getavg(policy); + freq_cur = __cpufreq_driver_getavg(policy); if (!freq_cur) freq_cur = policy->cur; @@ -423,9 +424,11 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) static void do_dbs_timer(struct work_struct *work) { - unsigned int cpu = smp_processor_id(); - struct cpu_dbs_info_s *dbs_info = &per_cpu(cpu_dbs_info, cpu); - enum dbs_sample sample_type = dbs_info->sample_type; + struct cpu_dbs_info_s *dbs_info = + container_of(work, struct cpu_dbs_info_s, work.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); @@ -454,17 +457,17 @@ static void do_dbs_timer(struct work_struct *work) queue_delayed_work_on(cpu, kondemand_wq, &dbs_info->work, delay); } -static inline void dbs_timer_init(unsigned int cpu) +static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info) { - struct cpu_dbs_info_s *dbs_info = &per_cpu(cpu_dbs_info, cpu); /* We want all CPUs to do sampling nearly on same jiffy */ int delay = usecs_to_jiffies(dbs_tuners_ins.sampling_rate); delay -= jiffies % delay; ondemand_powersave_bias_init(); - INIT_DELAYED_WORK_NAR(&dbs_info->work, do_dbs_timer); dbs_info->sample_type = DBS_NORMAL_SAMPLE; - queue_delayed_work_on(cpu, kondemand_wq, &dbs_info->work, delay); + INIT_DELAYED_WORK_NAR(&dbs_info->work, do_dbs_timer); + queue_delayed_work_on(dbs_info->cpu, kondemand_wq, &dbs_info->work, + delay); } static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info) @@ -528,6 +531,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, j_dbs_info->prev_cpu_idle = get_cpu_idle_time(j); j_dbs_info->prev_cpu_wall = get_jiffies_64(); } + this_dbs_info->cpu = cpu; this_dbs_info->enable = 1; /* * Start the timerschedule work, when this governor @@ -548,7 +552,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, dbs_tuners_ins.sampling_rate = def_sampling_rate; } - dbs_timer_init(policy->cpu); + dbs_timer_init(this_dbs_info); mutex_unlock(&dbs_mutex); break; |