If old & new freq have the same frequency, no need to call
cpufreq notifier & regulator function.
Signed-off-by: Jonghwan Choi <jhbird.choi@xxxxxxxxxxx>
---
drivers/cpufreq/exynos-cpufreq.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/cpufreq/exynos-cpufreq.c
b/drivers/cpufreq/exynos-cpufreq.c
index 5888aee..82963a3 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -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
@@ -112,8 +115,8 @@ 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);
+
+ exynos_info->set_freq(old_index, index);
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
--
1.7.4.1
--
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