sched/uclamp: Remove unnecessary mutex_init()

The uclamp_mutex lock is initialized statically via DEFINE_MUTEX(),
it is unnecessary to initialize it runtime via mutex_init().

Signed-off-by: Qinglang Miao <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Cc: Patrick Bellasi <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Vincent Guittot <[email protected]>
Cc: Dietmar Eggemann <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: Qinglang Miao

kernel/sched/core.c

@@ -1425,8 +1425,6 @@ static void __init init_uclamp(void)
 	enum uclamp_id clamp_id;
 	int cpu;
 
-	mutex_init(&uclamp_mutex);
-
 	for_each_possible_cpu(cpu)
 		init_uclamp_rq(cpu_rq(cpu));