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cpufreq: governor: userspace: Fix frequency error when resume

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As policy->cur may be changed by thermal and cpufreq_suspend,
the setspeed may be changed after resume.

Change-Id: I6d4e0672ff39127c522f305719afd52806c31f48
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
This commit is contained in:
Finley Xiao
2019-01-08 17:44:13 +08:00
committed by Tao Huang
parent d58bcc8c2b
commit 987c3373f8
1 changed files with 2 additions and 4 deletions
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drivers/cpufreq/cpufreq_userspace.c
+2 -4
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@@ -78,20 +78,18 @@ static int cpufreq_userspace_policy_start(struct cpufreq_policy *policy)
mutex_lock(&userspace_mutex);
per_cpu(cpu_is_managed, policy->cpu) = 1;
*setspeed = policy->cur;
if (!*setspeed)
*setspeed = policy->cur;
mutex_unlock(&userspace_mutex);
return 0;
}
static void cpufreq_userspace_policy_stop(struct cpufreq_policy *policy)
{
unsigned int *setspeed = policy->governor_data;
pr_debug("managing cpu %u stopped\n", policy->cpu);
mutex_lock(&userspace_mutex);
per_cpu(cpu_is_managed, policy->cpu) = 0;
*setspeed = 0;
mutex_unlock(&userspace_mutex);
}