Re: cpufreq lock

2014-06-01 Thread Viresh Kumar
On 30 May 2014 21:20, Sriram V wrote: > I am looking at in cpufreq.c > > __cpufreq_governor(policy, CPUFREQ_GOV_STOP); > up_write(&policy->rwsem); > __cpufreq_governor(policy, CPUFREQ_GOV_POLICY_EXIT); > down_write(&policy->rwsem); > > Why do we need to unlock the l

cpufreq lock

2014-05-30 Thread Sriram V
Hi, I am looking at in cpufreq.c __cpufreq_governor(policy, CPUFREQ_GOV_STOP); up_write(&policy->rwsem); __cpufreq_governor(policy, CPUFREQ_GOV_POLICY_EXIT); down_write(&policy->rwsem); Why do we need to unlock the lock before calling CPUFREQ_GOV_POLICY_EXIT. Won