diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_ondemand.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_ondemand.c | 38 |
1 files changed, 13 insertions, 25 deletions
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index b596c8410..58d6fe616 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -74,34 +74,30 @@ static unsigned int generic_powersave_bias_target(struct cpufreq_policy *policy, { unsigned int freq_req, freq_reduc, freq_avg; unsigned int freq_hi, freq_lo; - unsigned int index = 0; + unsigned int index; unsigned int delay_hi_us; struct policy_dbs_info *policy_dbs = policy->governor_data; struct od_policy_dbs_info *dbs_info = to_dbs_info(policy_dbs); struct dbs_data *dbs_data = policy_dbs->dbs_data; struct od_dbs_tuners *od_tuners = dbs_data->tuners; + struct cpufreq_frequency_table *freq_table = policy->freq_table; - if (!dbs_info->freq_table) { + if (!freq_table) { dbs_info->freq_lo = 0; dbs_info->freq_lo_delay_us = 0; return freq_next; } - cpufreq_frequency_table_target(policy, dbs_info->freq_table, freq_next, - relation, &index); - freq_req = dbs_info->freq_table[index].frequency; + index = cpufreq_frequency_table_target(policy, freq_next, relation); + freq_req = freq_table[index].frequency; freq_reduc = freq_req * od_tuners->powersave_bias / 1000; freq_avg = freq_req - freq_reduc; /* Find freq bounds for freq_avg in freq_table */ - index = 0; - cpufreq_frequency_table_target(policy, dbs_info->freq_table, freq_avg, - CPUFREQ_RELATION_H, &index); - freq_lo = dbs_info->freq_table[index].frequency; - index = 0; - cpufreq_frequency_table_target(policy, dbs_info->freq_table, freq_avg, - CPUFREQ_RELATION_L, &index); - freq_hi = dbs_info->freq_table[index].frequency; + index = cpufreq_table_find_index_h(policy, freq_avg); + freq_lo = freq_table[index].frequency; + index = cpufreq_table_find_index_l(policy, freq_avg); + freq_hi = freq_table[index].frequency; /* Find out how long we have to be in hi and lo freqs */ if (freq_hi == freq_lo) { @@ -122,7 +118,6 @@ static void ondemand_powersave_bias_init(struct cpufreq_policy *policy) { struct od_policy_dbs_info *dbs_info = to_dbs_info(policy->governor_data); - dbs_info->freq_table = cpufreq_frequency_get_table(policy->cpu); dbs_info->freq_lo = 0; } @@ -370,17 +365,15 @@ static void od_free(struct policy_dbs_info *policy_dbs) kfree(to_dbs_info(policy_dbs)); } -static int od_init(struct dbs_data *dbs_data, bool notify) +static int od_init(struct dbs_data *dbs_data) { struct od_dbs_tuners *tuners; u64 idle_time; int cpu; tuners = kzalloc(sizeof(*tuners), GFP_KERNEL); - if (!tuners) { - pr_err("%s: kzalloc failed\n", __func__); + if (!tuners) return -ENOMEM; - } cpu = get_cpu(); idle_time = get_cpu_idle_time_us(cpu, NULL); @@ -411,7 +404,7 @@ static int od_init(struct dbs_data *dbs_data, bool notify) return 0; } -static void od_exit(struct dbs_data *dbs_data, bool notify) +static void od_exit(struct dbs_data *dbs_data) { kfree(dbs_data->tuners); } @@ -429,12 +422,7 @@ static struct od_ops od_ops = { }; static struct dbs_governor od_dbs_gov = { - .gov = { - .name = "ondemand", - .governor = cpufreq_governor_dbs, - .max_transition_latency = TRANSITION_LATENCY_LIMIT, - .owner = THIS_MODULE, - }, + .gov = CPUFREQ_DBS_GOVERNOR_INITIALIZER("ondemand"), .kobj_type = { .default_attrs = od_attributes }, .gov_dbs_timer = od_dbs_timer, .alloc = od_alloc, |