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cpufreq: qcom: Fix multiple request of IRQs

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The cpufreq init would be invoked every cpu online and thus resulting
into multiple IRQ requests, so fix the same.

Change-Id: I271cd7f82e2ddde7466fa0949b8627c8d7573c47
Signed-off-by: Taniya Das <tdas@codeaurora.org>
This commit is contained in:
Taniya Das 2019-10-03 09:05:45 +05:30 • committed by Gerrit - the friendly Code Review server
commit 4964814d6f
1 changed files with 3 additions and 1 deletions
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4
drivers/cpufreq/qcom-cpufreq-hw.c
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@ -66,6 +66,7 @@ struct cpufreq_qcom {
int dcvsh_irq;
char dcvsh_irq_name[MAX_FN_SIZE];
bool is_irq_enabled;
bool is_irq_requested;
};
struct cpufreq_counter {
@ -295,7 +296,7 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
dev_pm_opp_of_register_em(policy->cpus);
if (c->dcvsh_irq > 0) {
if (c->dcvsh_irq > 0 && !c->is_irq_requested) {
snprintf(c->dcvsh_irq_name, sizeof(c->dcvsh_irq_name),
"dcvsh-irq-%d", policy->cpu);
ret = devm_request_threaded_irq(cpu_dev, c->dcvsh_irq, NULL,
@ -306,6 +307,7 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy)
return ret;
}
c->is_irq_requested = true;
c->is_irq_enabled = true;
writel_relaxed(LT_IRQ_STATUS, c->base + offsets[REG_INTR_EN]);
c->freq_limit_attr.attr.name = "dcvsh_freq_limit";