Merge "qcom-cpufreq: Remove save/restore of scheduling policy"

/* arch/arm/mach-msm/cpufreq.c

/* drivers/cpufreq/qcom-cpufreq.c

 *

 * MSM architecture cpufreq driver

 *

 * Copyright (C) 2007 Google, Inc.

 * Copyright (c) 2007-2014, The Linux Foundation. All rights reserved.

 * Copyright (c) 2007-2015, The Linux Foundation. All rights reserved.

 * Author: Mike A. Chan <mikechan@google.com>

 *

 * This software is licensed under the terms of the GNU General Public

#include <linux/cpufreq.h>

#include <linux/cpu.h>

#include <linux/cpumask.h>

#include <linux/sched.h>

#include <linux/sched/rt.h>

#include <linux/suspend.h>

#include <linux/clk.h>

#include <linux/err.h>

			unsigned int index)

{

	int ret = 0;

	int saved_sched_policy = -EINVAL;

	int saved_sched_rt_prio = -EINVAL;

	struct cpufreq_freqs freqs;

	struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };

	unsigned long rate;

	freqs.old = policy->cur;

	freqs.new = new_freq;

	freqs.cpu = policy->cpu;

	/*

	 * Put the caller into SCHED_FIFO priority to avoid cpu starvation

	 * while increasing frequencies

	 */

	if (freqs.new > freqs.old && current->policy != SCHED_FIFO) {

		saved_sched_policy = current->policy;

		saved_sched_rt_prio = current->rt_priority;

		sched_setscheduler_nocheck(current, SCHED_FIFO, &param);

	}

	cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);

	trace_cpu_frequency_switch_start(freqs.old, freqs.new, policy->cpu);

		trace_cpu_frequency_switch_end(policy->cpu);

	}

	/* Restore priority after clock ramp-up */

	if (freqs.new > freqs.old && saved_sched_policy >= 0) {

		param.sched_priority = saved_sched_rt_prio;

		sched_setscheduler_nocheck(current, saved_sched_policy, &param);

	}

	return ret;

}