Commit 0aea2e4e authored Jan 30, 2022 by Daniel Lezcano

powercap/dtpm_cpu: Reset per_cpu variable in the release function



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

parent 7b75bbdf

drivers/powercap/dtpm_cpu.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -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);
		}