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powercap/dtpm_cpu: Reset per_cpu variable in the release function

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The release function does not reset the per cpu variable when it is
called. That will prevent creation again as the variable will be
already from the previous creation.

Fix it by resetting them.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20220130210210.549877-2-daniel.lezcano@linaro.org
This commit is contained in:
Daniel Lezcano 2022-01-30 22:02:04 +01:00
parent 7b75bbdf5b
commit 0aea2e4ec2
1 changed files with 7 additions and 0 deletions
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7
drivers/powercap/dtpm_cpu.c
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@ -151,10 +151,17 @@ static int update_pd_power_uw(struct dtpm *dtpm)
static void pd_release(struct dtpm *dtpm)
{
struct dtpm_cpu *dtpm_cpu = to_dtpm_cpu(dtpm);
struct cpufreq_policy *policy;
if (freq_qos_request_active(&dtpm_cpu->qos_req))
freq_qos_remove_request(&dtpm_cpu->qos_req);
policy = cpufreq_cpu_get(dtpm_cpu->cpu);
if (policy) {
for_each_cpu(dtpm_cpu->cpu, policy->related_cpus)
per_cpu(dtpm_per_cpu, dtpm_cpu->cpu) = NULL;
}
kfree(dtpm_cpu);
}