diff options
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r-- | drivers/cpufreq/cpufreq.c | 23 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq_conservative.c | 20 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq_governor.c | 11 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq_governor.h | 4 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq_ondemand.c | 20 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq_stats.c | 6 | ||||
-rw-r--r-- | drivers/cpufreq/intel_pstate.c | 12 | ||||
-rw-r--r-- | drivers/cpufreq/loongson2_cpufreq.c | 11 | ||||
-rw-r--r-- | drivers/cpufreq/s3c24xx-cpufreq.c | 4 |
9 files changed, 55 insertions, 56 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index b7bda8d9f081..f0a5e2b0eb8a 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1177,14 +1177,11 @@ static int __cpufreq_remove_dev(struct device *dev, __func__, cpu_dev->id, cpu); } - if ((cpus == 1) && (cpufreq_driver->target)) - __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT); - - pr_debug("%s: removing link, cpu: %d\n", __func__, cpu); - cpufreq_cpu_put(data); - /* If cpu is last user of policy, free policy */ if (cpus == 1) { + if (cpufreq_driver->target) + __cpufreq_governor(data, CPUFREQ_GOV_POLICY_EXIT); + lock_policy_rwsem_read(cpu); kobj = &data->kobj; cmp = &data->kobj_unregister; @@ -1205,9 +1202,13 @@ static int __cpufreq_remove_dev(struct device *dev, free_cpumask_var(data->related_cpus); free_cpumask_var(data->cpus); kfree(data); - } else if (cpufreq_driver->target) { - __cpufreq_governor(data, CPUFREQ_GOV_START); - __cpufreq_governor(data, CPUFREQ_GOV_LIMITS); + } else { + pr_debug("%s: removing link, cpu: %d\n", __func__, cpu); + cpufreq_cpu_put(data); + if (cpufreq_driver->target) { + __cpufreq_governor(data, CPUFREQ_GOV_START); + __cpufreq_governor(data, CPUFREQ_GOV_LIMITS); + } } per_cpu(cpufreq_policy_cpu, cpu) = -1; @@ -1942,13 +1943,15 @@ static int cpufreq_cpu_callback(struct notifier_block *nfb, if (dev) { switch (action) { case CPU_ONLINE: + case CPU_ONLINE_FROZEN: cpufreq_add_dev(dev, NULL); break; case CPU_DOWN_PREPARE: - case CPU_UP_CANCELED_FROZEN: + case CPU_DOWN_PREPARE_FROZEN: __cpufreq_remove_dev(dev, NULL); break; case CPU_DOWN_FAILED: + case CPU_DOWN_FAILED_FROZEN: cpufreq_add_dev(dev, NULL); break; } diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index 0ceb2eff5a7e..f97cb3d8c5a2 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -221,8 +221,8 @@ static ssize_t store_down_threshold(struct dbs_data *dbs_data, const char *buf, return count; } -static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf, - size_t count) +static ssize_t store_ignore_nice_load(struct dbs_data *dbs_data, + const char *buf, size_t count) { struct cs_dbs_tuners *cs_tuners = dbs_data->tuners; unsigned int input, j; @@ -235,10 +235,10 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf, if (input > 1) input = 1; - if (input == cs_tuners->ignore_nice) /* nothing to do */ + if (input == cs_tuners->ignore_nice_load) /* nothing to do */ return count; - cs_tuners->ignore_nice = input; + cs_tuners->ignore_nice_load = input; /* we need to re-evaluate prev_cpu_idle */ for_each_online_cpu(j) { @@ -246,7 +246,7 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf, dbs_info = &per_cpu(cs_cpu_dbs_info, j); dbs_info->cdbs.prev_cpu_idle = get_cpu_idle_time(j, &dbs_info->cdbs.prev_cpu_wall, 0); - if (cs_tuners->ignore_nice) + if (cs_tuners->ignore_nice_load) dbs_info->cdbs.prev_cpu_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE]; } @@ -279,7 +279,7 @@ show_store_one(cs, sampling_rate); show_store_one(cs, sampling_down_factor); show_store_one(cs, up_threshold); show_store_one(cs, down_threshold); -show_store_one(cs, ignore_nice); +show_store_one(cs, ignore_nice_load); show_store_one(cs, freq_step); declare_show_sampling_rate_min(cs); @@ -287,7 +287,7 @@ gov_sys_pol_attr_rw(sampling_rate); gov_sys_pol_attr_rw(sampling_down_factor); gov_sys_pol_attr_rw(up_threshold); gov_sys_pol_attr_rw(down_threshold); -gov_sys_pol_attr_rw(ignore_nice); +gov_sys_pol_attr_rw(ignore_nice_load); gov_sys_pol_attr_rw(freq_step); gov_sys_pol_attr_ro(sampling_rate_min); @@ -297,7 +297,7 @@ static struct attribute *dbs_attributes_gov_sys[] = { &sampling_down_factor_gov_sys.attr, &up_threshold_gov_sys.attr, &down_threshold_gov_sys.attr, - &ignore_nice_gov_sys.attr, + &ignore_nice_load_gov_sys.attr, &freq_step_gov_sys.attr, NULL }; @@ -313,7 +313,7 @@ static struct attribute *dbs_attributes_gov_pol[] = { &sampling_down_factor_gov_pol.attr, &up_threshold_gov_pol.attr, &down_threshold_gov_pol.attr, - &ignore_nice_gov_pol.attr, + &ignore_nice_load_gov_pol.attr, &freq_step_gov_pol.attr, NULL }; @@ -338,7 +338,7 @@ static int cs_init(struct dbs_data *dbs_data) tuners->up_threshold = DEF_FREQUENCY_UP_THRESHOLD; tuners->down_threshold = DEF_FREQUENCY_DOWN_THRESHOLD; tuners->sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR; - tuners->ignore_nice = 0; + tuners->ignore_nice_load = 0; tuners->freq_step = DEF_FREQUENCY_STEP; dbs_data->tuners = tuners; diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index 464587697561..e59afaa9da23 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -25,7 +25,6 @@ #include <linux/slab.h> #include <linux/types.h> #include <linux/workqueue.h> -#include <linux/cpu.h> #include "cpufreq_governor.h" @@ -48,9 +47,9 @@ void dbs_check_cpu(struct dbs_data *dbs_data, int cpu) unsigned int j; if (dbs_data->cdata->governor == GOV_ONDEMAND) - ignore_nice = od_tuners->ignore_nice; + ignore_nice = od_tuners->ignore_nice_load; else - ignore_nice = cs_tuners->ignore_nice; + ignore_nice = cs_tuners->ignore_nice_load; policy = cdbs->cur_policy; @@ -137,10 +136,8 @@ void gov_queue_work(struct dbs_data *dbs_data, struct cpufreq_policy *policy, if (!all_cpus) { __gov_queue_work(smp_processor_id(), dbs_data, delay); } else { - get_online_cpus(); for_each_cpu(i, policy->cpus) __gov_queue_work(i, dbs_data, delay); - put_online_cpus(); } } EXPORT_SYMBOL_GPL(gov_queue_work); @@ -301,12 +298,12 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, cs_tuners = dbs_data->tuners; cs_dbs_info = dbs_data->cdata->get_cpu_dbs_info_s(cpu); sampling_rate = cs_tuners->sampling_rate; - ignore_nice = cs_tuners->ignore_nice; + ignore_nice = cs_tuners->ignore_nice_load; } else { od_tuners = dbs_data->tuners; od_dbs_info = dbs_data->cdata->get_cpu_dbs_info_s(cpu); sampling_rate = od_tuners->sampling_rate; - ignore_nice = od_tuners->ignore_nice; + ignore_nice = od_tuners->ignore_nice_load; od_ops = dbs_data->cdata->gov_ops; io_busy = od_tuners->io_is_busy; } diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h index 6663ec3b3056..d5f12b4b11b8 100644 --- a/drivers/cpufreq/cpufreq_governor.h +++ b/drivers/cpufreq/cpufreq_governor.h @@ -165,7 +165,7 @@ struct cs_cpu_dbs_info_s { /* Per policy Governers sysfs tunables */ struct od_dbs_tuners { - unsigned int ignore_nice; + unsigned int ignore_nice_load; unsigned int sampling_rate; unsigned int sampling_down_factor; unsigned int up_threshold; @@ -175,7 +175,7 @@ struct od_dbs_tuners { }; struct cs_dbs_tuners { - unsigned int ignore_nice; + unsigned int ignore_nice_load; unsigned int sampling_rate; unsigned int sampling_down_factor; unsigned int up_threshold; diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 93eb5cbcc1f6..c087347d6688 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -403,8 +403,8 @@ static ssize_t store_sampling_down_factor(struct dbs_data *dbs_data, return count; } -static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf, - size_t count) +static ssize_t store_ignore_nice_load(struct dbs_data *dbs_data, + const char *buf, size_t count) { struct od_dbs_tuners *od_tuners = dbs_data->tuners; unsigned int input; @@ -419,10 +419,10 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf, if (input > 1) input = 1; - if (input == od_tuners->ignore_nice) { /* nothing to do */ + if (input == od_tuners->ignore_nice_load) { /* nothing to do */ return count; } - od_tuners->ignore_nice = input; + od_tuners->ignore_nice_load = input; /* we need to re-evaluate prev_cpu_idle */ for_each_online_cpu(j) { @@ -430,7 +430,7 @@ static ssize_t store_ignore_nice(struct dbs_data *dbs_data, const char *buf, dbs_info = &per_cpu(od_cpu_dbs_info, j); dbs_info->cdbs.prev_cpu_idle = get_cpu_idle_time(j, &dbs_info->cdbs.prev_cpu_wall, od_tuners->io_is_busy); - if (od_tuners->ignore_nice) + if (od_tuners->ignore_nice_load) dbs_info->cdbs.prev_cpu_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE]; @@ -461,7 +461,7 @@ show_store_one(od, sampling_rate); show_store_one(od, io_is_busy); show_store_one(od, up_threshold); show_store_one(od, sampling_down_factor); -show_store_one(od, ignore_nice); +show_store_one(od, ignore_nice_load); show_store_one(od, powersave_bias); declare_show_sampling_rate_min(od); @@ -469,7 +469,7 @@ gov_sys_pol_attr_rw(sampling_rate); gov_sys_pol_attr_rw(io_is_busy); gov_sys_pol_attr_rw(up_threshold); gov_sys_pol_attr_rw(sampling_down_factor); -gov_sys_pol_attr_rw(ignore_nice); +gov_sys_pol_attr_rw(ignore_nice_load); gov_sys_pol_attr_rw(powersave_bias); gov_sys_pol_attr_ro(sampling_rate_min); @@ -478,7 +478,7 @@ static struct attribute *dbs_attributes_gov_sys[] = { &sampling_rate_gov_sys.attr, &up_threshold_gov_sys.attr, &sampling_down_factor_gov_sys.attr, - &ignore_nice_gov_sys.attr, + &ignore_nice_load_gov_sys.attr, &powersave_bias_gov_sys.attr, &io_is_busy_gov_sys.attr, NULL @@ -494,7 +494,7 @@ static struct attribute *dbs_attributes_gov_pol[] = { &sampling_rate_gov_pol.attr, &up_threshold_gov_pol.attr, &sampling_down_factor_gov_pol.attr, - &ignore_nice_gov_pol.attr, + &ignore_nice_load_gov_pol.attr, &powersave_bias_gov_pol.attr, &io_is_busy_gov_pol.attr, NULL @@ -544,7 +544,7 @@ static int od_init(struct dbs_data *dbs_data) } tuners->sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR; - tuners->ignore_nice = 0; + tuners->ignore_nice_load = 0; tuners->powersave_bias = default_powersave_bias; tuners->io_is_busy = should_io_be_busy(); diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c index c1ec11c513c1..d37568c5ca9c 100644 --- a/drivers/cpufreq/cpufreq_stats.c +++ b/drivers/cpufreq/cpufreq_stats.c @@ -353,13 +353,11 @@ static int cpufreq_stat_cpu_callback(struct notifier_block *nfb, cpufreq_update_policy(cpu); break; case CPU_DOWN_PREPARE: + case CPU_DOWN_PREPARE_FROZEN: cpufreq_stats_free_sysfs(cpu); break; case CPU_DEAD: - cpufreq_stats_free_table(cpu); - break; - case CPU_UP_CANCELED_FROZEN: - cpufreq_stats_free_sysfs(cpu); + case CPU_DEAD_FROZEN: cpufreq_stats_free_table(cpu); break; } diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index b012d7600e1a..7cde885011ed 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -103,10 +103,10 @@ struct pstate_adjust_policy { static struct pstate_adjust_policy default_policy = { .sample_rate_ms = 10, .deadband = 0, - .setpoint = 109, - .p_gain_pct = 17, + .setpoint = 97, + .p_gain_pct = 20, .d_gain_pct = 0, - .i_gain_pct = 4, + .i_gain_pct = 0, }; struct perf_limits { @@ -468,12 +468,12 @@ static inline void intel_pstate_set_sample_time(struct cpudata *cpu) static inline int intel_pstate_get_scaled_busy(struct cpudata *cpu) { int32_t busy_scaled; - int32_t core_busy, turbo_pstate, current_pstate; + int32_t core_busy, max_pstate, current_pstate; core_busy = int_tofp(cpu->samples[cpu->sample_ptr].core_pct_busy); - turbo_pstate = int_tofp(cpu->pstate.turbo_pstate); + max_pstate = int_tofp(cpu->pstate.max_pstate); current_pstate = int_tofp(cpu->pstate.current_pstate); - busy_scaled = mul_fp(core_busy, div_fp(turbo_pstate, current_pstate)); + busy_scaled = mul_fp(core_busy, div_fp(max_pstate, current_pstate)); return fp_toint(busy_scaled); } diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c index bb838b985077..9536852c504a 100644 --- a/drivers/cpufreq/loongson2_cpufreq.c +++ b/drivers/cpufreq/loongson2_cpufreq.c @@ -118,11 +118,6 @@ static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy) clk_put(cpuclk); return -EINVAL; } - ret = clk_set_rate(cpuclk, rate); - if (ret) { - clk_put(cpuclk); - return ret; - } /* clock table init */ for (i = 2; @@ -130,6 +125,12 @@ static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy) i++) loongson2_clockmod_table[i].frequency = (rate * i) / 8; + ret = clk_set_rate(cpuclk, rate); + if (ret) { + clk_put(cpuclk); + return ret; + } + policy->cur = loongson2_cpufreq_get(policy->cpu); cpufreq_frequency_table_get_attr(&loongson2_clockmod_table[0], diff --git a/drivers/cpufreq/s3c24xx-cpufreq.c b/drivers/cpufreq/s3c24xx-cpufreq.c index 3513e7477160..87781eb20d6d 100644 --- a/drivers/cpufreq/s3c24xx-cpufreq.c +++ b/drivers/cpufreq/s3c24xx-cpufreq.c @@ -49,7 +49,7 @@ static struct clk *clk_hclk; static struct clk *clk_pclk; static struct clk *clk_arm; -#ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUGFS +#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_DEBUGFS struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void) { return &cpu_cur; @@ -59,7 +59,7 @@ struct s3c_iotimings *s3c_cpufreq_getiotimings(void) { return &s3c24xx_iotiming; } -#endif /* CONFIG_CPU_FREQ_S3C24XX_DEBUGFS */ +#endif /* CONFIG_ARM_S3C24XX_CPUFREQ_DEBUGFS */ static void s3c_cpufreq_getcur(struct s3c_cpufreq_config *cfg) { |