--- zzzz-none-000/linux-3.10.107/drivers/cpufreq/arm_big_little.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/drivers/cpufreq/arm_big_little.h	2021-11-10 11:53:55.000000000 +0000
@@ -34,11 +34,6 @@
 	int (*init_opp_table)(struct device *cpu_dev);
 };
 
-static inline int cpu_to_cluster(int cpu)
-{
-	return topology_physical_package_id(cpu);
-}
-
 int bL_cpufreq_register(struct cpufreq_arm_bL_ops *ops);
 void bL_cpufreq_unregister(struct cpufreq_arm_bL_ops *ops);