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Commit 7a9cf539 authored by Maria Yu's avatar Maria Yu
Browse files

PM / devfreq: governor_cpufreq: Update devfreq when cpu offline 



Current cpufreq driver will not send CPUFREQ_REMOVE_POLICY
notification when all related cpu offlined, so use
paired notification of CPUFREQ_START and CPUFREQ_STOP
instead to handle the policy start and stop events.

Change-Id: I7cd9b666a282579c7fa10e628da95e77da1b56c5
Signed-off-by: default avatarMaria Yu <aiquny@codeaurora.org>
parent 008aa44c

drivers/devfreq/governor_cpufreq.c

+3 −3
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.

 * Copyright (c) 2014-2015, 2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -182,14 +182,14 @@ static int cpufreq_policy_notifier(struct notifier_block *nb, 
	struct cpufreq_policy *policy = data;



	switch (event) {

	case CPUFREQ_CREATE_POLICY:

	case CPUFREQ_START:

		mutex_lock(&state_lock);

		add_policy(policy);

		update_all_devfreqs();

		mutex_unlock(&state_lock);

		break;



	case CPUFREQ_REMOVE_POLICY:

	case CPUFREQ_STOP:

		mutex_lock(&state_lock);

		if (state[policy->cpu]) {

			state[policy->cpu]->on = false;