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Commit 4964814d authored by Taniya Das's avatar Taniya Das Committed by Gerrit - the friendly Code Review server
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cpufreq: qcom: Fix multiple request of IRQs 



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: default avatarTaniya Das <tdas@codeaurora.org>
parent 5dad3de6

drivers/cpufreq/qcom-cpufreq-hw.c

+3 −1
Original line number Original line Diff line number Diff line
@@ -66,6 +66,7 @@ struct cpufreq_qcom { 
	int dcvsh_irq;

	int dcvsh_irq;

	char dcvsh_irq_name[MAX_FN_SIZE];

	char dcvsh_irq_name[MAX_FN_SIZE];

	bool is_irq_enabled;

	bool is_irq_enabled;

	bool is_irq_requested;

};

};





struct cpufreq_counter {

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);

	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),

		snprintf(c->dcvsh_irq_name, sizeof(c->dcvsh_irq_name),

					"dcvsh-irq-%d", policy->cpu);

					"dcvsh-irq-%d", policy->cpu);

		ret = devm_request_threaded_irq(cpu_dev, c->dcvsh_irq, NULL,

		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;

			return ret;

		}

		}





		c->is_irq_requested = true;

		c->is_irq_enabled = true;

		c->is_irq_enabled = true;

		writel_relaxed(LT_IRQ_STATUS, c->base + offsets[REG_INTR_EN]);

		writel_relaxed(LT_IRQ_STATUS, c->base + offsets[REG_INTR_EN]);

		c->freq_limit_attr.attr.name = "dcvsh_freq_limit";

		c->freq_limit_attr.attr.name = "dcvsh_freq_limit";