diff options
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 5e4b5316d254..8271ed1a4947 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -524,19 +524,8 @@ void cpufreq_disable_fast_switch(struct cpufreq_policy *policy) } EXPORT_SYMBOL_GPL(cpufreq_disable_fast_switch); -/** - * cpufreq_driver_resolve_freq - Map a target frequency to a driver-supported - * one. - * @policy: associated policy to interrogate - * @target_freq: target frequency to resolve. - * - * The target to driver frequency mapping is cached in the policy. - * - * Return: Lowest driver-supported frequency greater than or equal to the - * given target_freq, subject to policy (min/max) and driver limitations. - */ -unsigned int cpufreq_driver_resolve_freq(struct cpufreq_policy *policy, - unsigned int target_freq) +static unsigned int __resolve_freq(struct cpufreq_policy *policy, + unsigned int target_freq, unsigned int relation) { target_freq = clamp_val(target_freq, policy->min, policy->max); policy->cached_target_freq = target_freq; @@ -545,7 +534,7 @@ unsigned int cpufreq_driver_resolve_freq(struct cpufreq_policy *policy, unsigned int idx; idx = cpufreq_frequency_table_target(policy, target_freq, - CPUFREQ_RELATION_L); + relation); policy->cached_resolved_idx = idx; return policy->freq_table[idx].frequency; } @@ -555,6 +544,23 @@ unsigned int cpufreq_driver_resolve_freq(struct cpufreq_policy *policy, return target_freq; } + +/** + * cpufreq_driver_resolve_freq - Map a target frequency to a driver-supported + * one. + * @policy: associated policy to interrogate + * @target_freq: target frequency to resolve. + * + * The target to driver frequency mapping is cached in the policy. + * + * Return: Lowest driver-supported frequency greater than or equal to the + * given target_freq, subject to policy (min/max) and driver limitations. + */ +unsigned int cpufreq_driver_resolve_freq(struct cpufreq_policy *policy, + unsigned int target_freq) +{ + return __resolve_freq(policy, target_freq, CPUFREQ_RELATION_L); +} EXPORT_SYMBOL_GPL(cpufreq_driver_resolve_freq); unsigned int cpufreq_policy_transition_delay_us(struct cpufreq_policy *policy) @@ -2231,13 +2237,11 @@ int __cpufreq_driver_target(struct cpufreq_policy *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); @@ -2258,9 +2262,7 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy, 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); |