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Commit 5483f85d authored by Naina Mehta's avatar Naina Mehta Committed by Gerrit - the friendly Code Review server
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soc: qcom: core_hang: Add support to check available cpus 



Add support to check available cpus for each cluster.

Change-Id: I68e7fde67365a1d85d6533b45ffae75c0f23e3d1
Signed-off-by: default avatarNaina Mehta <quic_nainmeht@quicinc.com>
parent a4341e9d

drivers/soc/qcom/core_hang_detect.c

+23 −1
Original line number Diff line number Diff line
@@ -238,10 +238,11 @@ static int msm_hang_detect_probe(struct platform_device *pdev) 
	struct device_node *cpu_node;

	struct device_node *node = pdev->dev.of_node;

	struct hang_detect *hang_det = NULL;

	int cpu, ret, cpu_count = 0;

	int cpu, ret, cpu_count = 0, cluster_cpu_count = 0;

	const char *name;

	u32 treg[NR_CPUS] = {0}, creg[NR_CPUS] = {0};

	u32 num_reg = 0;

	u32 fw_cluster_id;



	if (!pdev->dev.of_node || !enable)

		return -ENODEV;
@@ -279,6 +280,27 @@ static int msm_hang_detect_probe(struct platform_device *pdev) 
		return -EINVAL;

	}



	ret = of_property_read_u32(node, "cluster-id", &fw_cluster_id);

	if (ret) {

		pr_err("%s: Missing cluster-id.\n", __func__);

	} else {



		for_each_possible_cpu(cpu) {

			if (topology_physical_package_id(cpu)

					== fw_cluster_id) {

				cluster_cpu_count++;

				break;

			}

		}



		if (cluster_cpu_count == 0) {

			pr_err("%s: Unable to find any CPU for cluster:%d\n",

					__func__, fw_cluster_id);

			return -EINVAL;

		}



	}



	for_each_possible_cpu(cpu) {

		cpu_node = of_get_cpu_node(cpu, NULL);

		if (cpu_node == NULL)