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cpuidle: lpm-levels: Do not predict LPM for isolated cpus

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Prediction can select shallower low power mode for isolated
cpu based on historical data.

Do not predict LPMs for isolated cpus.

Change-Id: I998008ef3c578c1dccfacae8513a15dfbe397e16
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
This commit is contained in:
Maulik Shah 2017-11-30 17:09:29 +05:30 • committed by Timi
parent c8e2fdb191
commit fbd35805c8
1 changed files with 1 additions and 1 deletions
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2
drivers/cpuidle/lpm-levels.c
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@ -745,7 +745,7 @@ static int cpu_power_select(struct cpuidle_device *dev,
next_wakeup_us = next_event_us - lvl_latency_us;
}
if (!i) {
if (!i && !cpu_isolated(dev->cpu)) {
/*
* If the next_wake_us itself is not sufficient for
* deeper low power modes than clock gating do not