diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index d3575f5ec6d..7fce038fa57 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -583,15 +583,13 @@ out: i += sprintf(&buf[i], "\n"); return i; } -/** - * show_affected_cpus - show the CPUs affected by each transition - */ -static ssize_t show_affected_cpus(struct cpufreq_policy *policy, char *buf) + +static ssize_t show_cpus(cpumask_t mask, char *buf) { ssize_t i = 0; unsigned int cpu; - for_each_cpu_mask(cpu, policy->cpus) { + for_each_cpu_mask(cpu, mask) { if (i) i += scnprintf(&buf[i], (PAGE_SIZE - i - 2), " "); i += scnprintf(&buf[i], (PAGE_SIZE - i - 2), "%u", cpu); @@ -602,6 +600,25 @@ static ssize_t show_affected_cpus(struct cpufreq_policy *policy, char *buf) return i; } +/** + * show_related_cpus - show the CPUs affected by each transition even if + * hw coordination is in use + */ +static ssize_t show_related_cpus(struct cpufreq_policy *policy, char *buf) +{ + if (cpus_empty(policy->related_cpus)) + return show_cpus(policy->cpus, buf); + return show_cpus(policy->related_cpus, buf); +} + +/** + * show_affected_cpus - show the CPUs affected by each transition + */ +static ssize_t show_affected_cpus(struct cpufreq_policy *policy, char *buf) +{ + return show_cpus(policy->cpus, buf); +} + static ssize_t store_scaling_setspeed(struct cpufreq_policy *policy, const char *buf, size_t count) { @@ -646,6 +663,7 @@ define_one_ro(cpuinfo_max_freq); define_one_ro(scaling_available_governors); define_one_ro(scaling_driver); define_one_ro(scaling_cur_freq); +define_one_ro(related_cpus); define_one_ro(affected_cpus); define_one_rw(scaling_min_freq); define_one_rw(scaling_max_freq); @@ -658,6 +676,7 @@ static struct attribute *default_attrs[] = { &scaling_min_freq.attr, &scaling_max_freq.attr, &affected_cpus.attr, + &related_cpus.attr, &scaling_governor.attr, &scaling_driver.attr, &scaling_available_governors.attr, |