1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
index b5f2b8618949..bfb9ae14142c 100644
--- a/drivers/cpufreq/cpufreq_governor.h
+++ b/drivers/cpufreq/cpufreq_governor.h
@@ -257,6 +257,8 @@ static ssize_t show_sampling_rate_min_gov_pol				\
         return sprintf(buf, "%u\n", dbs_data->min_sampling_rate);       \
 }
 
+extern struct mutex cpufreq_governor_lock;
+
 void dbs_check_cpu(struct dbs_data *dbs_data, int cpu);
 bool need_load_eval(struct cpu_dbs_common_info *cdbs,
                 unsigned int sampling_rate);