}
EXPORT_SYMBOL_GPL(cpufreq_disable_fast_switch);
+static unsigned int __resolve_freq(struct cpufreq_policy *policy,
+ unsigned int target_freq, unsigned int relation)
+{
+ unsigned int idx;
+
+ target_freq = clamp_val(target_freq, policy->min, policy->max);
+
+ if (!cpufreq_driver->target_index)
+ return target_freq;
+
+ idx = cpufreq_frequency_table_target(policy, target_freq, relation);
+ policy->cached_resolved_idx = idx;
+ policy->cached_target_freq = target_freq;
+ return policy->freq_table[idx].frequency;
+}
+
/**
* cpufreq_driver_resolve_freq - Map a target frequency to a driver-supported
* one.
unsigned int cpufreq_driver_resolve_freq(struct cpufreq_policy *policy,
unsigned int target_freq)
{
- target_freq = clamp_val(target_freq, policy->min, policy->max);
- policy->cached_target_freq = target_freq;
-
- if (cpufreq_driver->target_index) {
- unsigned int idx;
-
- idx = cpufreq_frequency_table_target(policy, target_freq,
- CPUFREQ_RELATION_L);
- policy->cached_resolved_idx = idx;
- return policy->freq_table[idx].frequency;
- }
-
- if (cpufreq_driver->resolve_freq)
- return cpufreq_driver->resolve_freq(policy, target_freq);
-
- return target_freq;
+ return __resolve_freq(policy, target_freq, CPUFREQ_RELATION_L);
}
EXPORT_SYMBOL_GPL(cpufreq_driver_resolve_freq);
policy->cdev = NULL;
}
- if (cpufreq_driver->stop_cpu)
- cpufreq_driver->stop_cpu(policy);
-
if (has_target())
cpufreq_exit_governor(policy);
unsigned int relation)
{
unsigned int old_target_freq = target_freq;
- int index;
if (cpufreq_disabled())
return -ENODEV;
- /* Make sure that target_freq is within supported range */
- target_freq = clamp_val(target_freq, policy->min, policy->max);
+ target_freq = __resolve_freq(policy, target_freq, relation);
pr_debug("target for CPU %u: %u kHz, relation %u, requested %u kHz\n",
policy->cpu, target_freq, relation, old_target_freq);
if (!cpufreq_driver->target_index)
return -EINVAL;
- index = cpufreq_frequency_table_target(policy, target_freq, relation);
-
- return __target_index(policy, index);
+ return __target_index(policy, policy->cached_resolved_idx);
}
EXPORT_SYMBOL_GPL(__cpufreq_driver_target);