Re: [PATCH 2/7] cpufreq: Retrieve current frequency from scalingdrivers with internal governors

[Dirk Brandewie]

On 02/05/2013 06:25 PM, Viresh Kumar wrote:
> On Wed, Feb 6, 2013 at 7:45 AM, Dirk Brandewie <dirk.brandewie@xxxxxxxxx> 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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