diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 622013fb789..1005e0ddcc1 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -367,6 +367,27 @@ show_one(scaling_cur_freq, cur); static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_policy *policy); +int cpufreq_update_freq(int cpu, unsigned int min, unsigned int max) +{ + int ret; + struct cpufreq_policy new_policy; + struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); + + ret = cpufreq_get_policy(&new_policy, cpu); + if (ret) + return -EINVAL; + + new_policy.min = min; + new_policy.max = max; + + ret = __cpufreq_set_policy(policy, &new_policy); + policy->user_policy.min = policy->min; + policy->user_policy.max = policy->max; + + return ret; +} +EXPORT_SYMBOL(cpufreq_update_freq); + /** * cpufreq_per_cpu_attr_write() / store_##file_name() - sysfs write access */ |