Cpufreq: simplify cpufreq_statistic_lock init

Singed-off-by: Liu, Jinsong <jinsong.liu@intel.com>

diff --git a/xen/drivers/cpufreq/utility.c b/xen/drivers/cpufreq/utility.c
index b45fe3d750c18cb3aa8eaeb950c6ba5e859532a4..24e070deda327f24f70e59fdd0aa8aaab67e51de 100644 (file)
--- a/xen/drivers/cpufreq/utility.c
+++ b/xen/drivers/cpufreq/utility.c
@@ -36,7 +36,7 @@ struct cpufreq_driver   *cpufreq_driver;
 struct processor_pminfo *__read_mostly processor_pminfo[NR_CPUS];
 struct cpufreq_policy   *__read_mostly cpufreq_cpu_policy[NR_CPUS];
 
-DEFINE_PER_CPU(spinlock_t, cpufreq_statistic_lock);
+DEFINE_PER_CPU(spinlock_t, cpufreq_statistic_lock) = SPIN_LOCK_UNLOCKED;
 
 /*********************************************************************
  *                    Px STATISTIC INFO                              *
@@ -198,22 +198,6 @@ void cpufreq_statistic_reset(unsigned int cpuid)
     spin_unlock_irq(cpufreq_statistic_lock);
 }
 
-static int __init cpufreq_statistic_lock_init(void)
-{
-    unsigned int cpu;
-    spinlock_t *cpufreq_statistic_lock; 
-
-    for (cpu=0; cpu<NR_CPUS; cpu++) {
-        cpufreq_statistic_lock = 
-                &per_cpu(cpufreq_statistic_lock, cpu);
-
-        spin_lock_init(cpufreq_statistic_lock);
-    }
-
-    return 0;
-}
-__initcall(cpufreq_statistic_lock_init);
-
 
 /*********************************************************************
  *                   FREQUENCY TABLE HELPERS                         *