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Commit 857d90f7 authored by Jonghwan Choi's avatar Jonghwan Choi Committed by Kukjin Kim
Browse files

cpufreq: exynos: Check old & new frequency early 



If old & new freq have the same frequency, no need to call
cpufreq notifier & regulator function.

Signed-off-by: default avatarJonghwan Choi <jhbird.choi@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 184cddd1

drivers/cpufreq/exynos-cpufreq.c

+5 −2
Original line number Diff line number Diff line
@@ -87,6 +87,9 @@ static int exynos_target(struct cpufreq_policy *policy, 
	freqs.new = freq_table[index].frequency;

	freqs.cpu = policy->cpu;



	if (freqs.new == freqs.old)

		goto out;



	/*

	 * ARM clock source will be changed APLL to MPLL temporary

	 * To support this level, need to control regulator for
@@ -113,7 +116,7 @@ static int exynos_target(struct cpufreq_policy *policy, 
	if (safe_arm_volt)

		regulator_set_voltage(arm_regulator, safe_arm_volt,

				      safe_arm_volt);

	if (freqs.new != freqs.old)



	exynos_info->set_freq(old_index, index);



	for_each_cpu(freqs.cpu, policy->cpus)