--- drivers/cpufreq/cpufreq.c

+++ drivers/cpufreq/cpufreq.c

@@ -28,6 +28,7 @@

#include <linux/cpu.h>

#include <linux/completion.h>

#include <linux/mutex.h>

+#include <linux/sched.h>

#include <linux/syscore_ops.h>

#include <trace/events/power.h>

@@ -1115,6 +1116,9 @@ static int cpufreq_add_dev(struct sys_de

pr_debug("initialization failed\n");

goto err_unlock_policy;

}

+

+ if (policy->max > 1512000) policy->max = 1512000;

+

policy->user_policy.min = policy->min;

policy->user_policy.max = policy->max;

@@ -1611,6 +1615,12 @@ int __cpufreq_driver_target(struct cpufr

target_freq, relation);

if (cpu_online(policy->cpu) && cpufreq_driver->target)

retval = cpufreq_driver->target(policy, target_freq, relation);

+ if (likely(retval != -EINVAL)) {

+ if (target_freq == policy->max)

+ cpu_nonscaling(policy->cpu);

+ else

+ cpu_scaling(policy->cpu);

+ }

return retval;

}