Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm into pm-cpufreq

rafaeljw · rafaeljw · commit 185a23b6e773 · 2019-03-01T10:21:18.000+01:00
Pull cpufreq driver fixes for v5.1 from Viresh Kumar:

"This pull request contains minor fixes for ap806 and kryo cpufreq
 drivers (Julia Lawall and Viresh Kumar)."

* 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  cpufreq: kryo: Release OPP tables on module removal
  cpufreq: ap806: add missing of_node_put after of_device_is_available
diff --git a/drivers/cpufreq/armada-8k-cpufreq.c b/drivers/cpufreq/armada-8k-cpufreq.c
@@ -128,8 +128,10 @@ static int __init armada_8k_cpufreq_init(void)
 	struct cpumask cpus;
 
 	node = of_find_compatible_node(NULL, NULL, "marvell,ap806-cpu-clock");
-	if (!node || !of_device_is_available(node))
+	if (!node || !of_device_is_available(node)) {
+		of_node_put(node);
 		return -ENODEV;
+	}
 
 	nb_cpus = num_possible_cpus();
 	freq_tables = kcalloc(nb_cpus, sizeof(*freq_tables), GFP_KERNEL);
diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
@@ -75,7 +75,7 @@ static enum _msm8996_version qcom_cpufreq_kryo_get_msm_id(void)
 
 static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
 {
-	struct opp_table *opp_tables[NR_CPUS] = {0};
+	struct opp_table **opp_tables;
 	enum _msm8996_version msm8996_version;
 	struct nvmem_cell *speedbin_nvmem;
 	struct device_node *np;
@@ -133,6 +133,10 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
 	}
 	kfree(speedbin);
 
+	opp_tables = kcalloc(num_possible_cpus(), sizeof(*opp_tables), GFP_KERNEL);
+	if (!opp_tables)
+		return -ENOMEM;
+
 	for_each_possible_cpu(cpu) {
 		cpu_dev = get_cpu_device(cpu);
 		if (NULL == cpu_dev) {
@@ -151,8 +155,10 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
 
 	cpufreq_dt_pdev = platform_device_register_simple("cpufreq-dt", -1,
 							  NULL, 0);
-	if (!IS_ERR(cpufreq_dt_pdev))
+	if (!IS_ERR(cpufreq_dt_pdev)) {
+		platform_set_drvdata(pdev, opp_tables);
 		return 0;
+	}
 
 	ret = PTR_ERR(cpufreq_dt_pdev);
 	dev_err(cpu_dev, "Failed to register platform device\n");
@@ -163,13 +169,23 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
 			break;
 		dev_pm_opp_put_supported_hw(opp_tables[cpu]);
 	}
+	kfree(opp_tables);
 
 	return ret;
 }
 
 static int qcom_cpufreq_kryo_remove(struct platform_device *pdev)
 {
+	struct opp_table **opp_tables = platform_get_drvdata(pdev);
+	unsigned int cpu;
+
 	platform_device_unregister(cpufreq_dt_pdev);
+
+	for_each_possible_cpu(cpu)
+		dev_pm_opp_put_supported_hw(opp_tables[cpu]);
+
+	kfree(opp_tables);
+
 	return 0;
 }
 
