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SubjectRe: [PATCH 2/7] cpufreq: Retrieve current frequency from scaling drivers with internal governors
On 02/05/2013 06:25 PM, Viresh Kumar wrote:
> On Wed, Feb 6, 2013 at 7:45 AM, Dirk Brandewie <dirk.brandewie@gmail.com> wrote:
>> How about this?
>>
>> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
>> index 2817c3c..9c0eac4 100644
>> --- a/drivers/cpufreq/cpufreq.c
>> +++ b/drivers/cpufreq/cpufreq.c
>> @@ -1182,7 +1182,12 @@ unsigned int cpufreq_quick_get(unsigned int cpu)
>>
>> unsigned int ret_freq = 0;
>>
>> if (policy) {
>> - ret_freq = policy->cur;
>>
>> + if (cpufreq_driver && cpufreq_driver->setpolicy &&
>> + cpufreq_driver->get) {
>> + ret_freq = cpufreq_driver->get(cpu);
>> + } else {
>> + ret_freq = policy->cur;
>> + }
>> cpufreq_cpu_put(policy);

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 2817c3c..7516b7d 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1178,9 +1178,14 @@ static void cpufreq_out_of_sync(unsigned int cpu,
unsigned int old_freq,
*/
unsigned int cpufreq_quick_get(unsigned int cpu)
{
- struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
+ struct cpufreq_policy *policy;
unsigned int ret_freq = 0;

+ if (cpufreq_driver && cpufreq_driver->setpolicy &&
+ cpufreq_driver->get)
+ return cpufreq_driver->get(cpu);
+
+ policy = cpufreq_cpu_get(cpu);
if (policy) {
ret_freq = policy->cur;
cpufreq_cpu_put(policy);



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