Merge "soc: qcom: Add module parameter to pass cluster CPU IDs" (be8dad61) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/soc/qcom/big_cluster_min_freq_adjust.c

+47 −6

Original line number	Diff line number	Diff line
		@@ -160,13 +160,12 @@ static int enable_big_min_freq_adjust(void)
		if (p->big_min_freq_on == true)
		return 0;

		INIT_DEFERRABLE_WORK(&p->min_freq_work, cpufreq_min_freq_work);
		if (!cpumask_weight(&p->cluster_cpumask)) {
		pr_err("Cluster CPU IDs not set\n");
		return -EPERM;
		}

		cpumask_clear(&p->cluster_cpumask);
		cpumask_set_cpu(4, &p->cluster_cpumask);
		cpumask_set_cpu(5, &p->cluster_cpumask);
		cpumask_set_cpu(6, &p->cluster_cpumask);
		cpumask_set_cpu(7, &p->cluster_cpumask);
		INIT_DEFERRABLE_WORK(&p->min_freq_work, cpufreq_min_freq_work);

		if (!big_min_down_delay_ms) {
		big_min_down_delay_ms = MIN_DOWN_DELAY_MSEC;
		@@ -267,6 +266,48 @@ static const struct kernel_param_ops param_ops_big_min_down_delay_ms = {
		module_param_cb(min_down_delay_ms, &param_ops_big_min_down_delay_ms,
		&big_min_down_delay_ms, 0644);

		#define MAX_STR_LEN 16
		static char big_min_freq_cluster[MAX_STR_LEN];
		static struct kparam_string big_min_freq_cluster_kps = {
		.string = big_min_freq_cluster,
		.maxlen = MAX_STR_LEN,
		};

		static int set_big_min_freq_cluster(const char *buf,
		const struct kernel_param *kp)
		{
		struct big_min_freq_adjust_data *p = &big_min_freq_adjust_data;
		int ret;

		if (p->big_min_freq_on == true) {
		ret = -EPERM;
		goto err;
		}

		ret = param_set_copystring(buf, kp);
		if (ret)
		goto err;

		ret = cpulist_parse(big_min_freq_cluster_kps.string,
		&p->cluster_cpumask);
		if (ret) {
		cpumask_clear(&p->cluster_cpumask);
		goto err;
		}

		return 0;
		err:
		pr_err("Unable to set big_min_freq_cluster: %d\n", ret);
		return ret;
		}

		static const struct kernel_param_ops param_ops_big_min_freq_cluster = {
		.set = set_big_min_freq_cluster,
		.get = param_get_string,
		};
		module_param_cb(min_freq_cluster, &param_ops_big_min_freq_cluster,
		&big_min_freq_cluster_kps, 0644);

		static int __init big_min_freq_adjust_init(void)
		{
		big_min_freq_adjust_data.is_init = true;