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

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On 02/05/2013 05:45 PM, Viresh Kumar wrote:
On Tue, Feb 5, 2013 at 11:54 PM,  <dirk.brandewie@xxxxxxxxx> wrote:
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 2817c3c..96bc302 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1181,6 +1181,13 @@ unsigned int cpufreq_quick_get(unsigned int cpu)
         struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
         unsigned int ret_freq = 0;

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

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);
 	}


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