static int qcom_icc_set_noc_qos()

in qcom/icc-rpm.c [150:186]

• 32 lines of code
• 6 McCabe index (conditional complexity)

static int qcom_icc_set_noc_qos(struct icc_node *src, u64 max_bw)
{
	struct qcom_icc_provider *qp;
	struct qcom_icc_node *qn;
	struct icc_provider *provider;
	u32 mode = NOC_QOS_MODE_BYPASS;
	int rc = 0;

	qn = src->data;
	provider = src->provider;
	qp = to_qcom_provider(provider);

	if (qn->qos.qos_port < 0) {
		dev_dbg(src->provider->dev,
			"NoC QoS: Skipping %s: vote aggregated on parent.\n",
			qn->name);
		return 0;
	}

	if (qn->qos.qos_mode != NOC_QOS_MODE_INVALID)
		mode = qn->qos.qos_mode;

	if (mode == NOC_QOS_MODE_FIXED) {
		dev_dbg(src->provider->dev, "NoC QoS: %s: Set Fixed mode\n",
			qn->name);
		rc = qcom_icc_noc_set_qos_priority(qp, &qn->qos);
		if (rc)
			return rc;
	} else if (mode == NOC_QOS_MODE_BYPASS) {
		dev_dbg(src->provider->dev, "NoC QoS: %s: Set Bypass mode\n",
			qn->name);
	}

	return regmap_update_bits(qp->regmap,
				  qp->qos_offset + NOC_QOS_MODEn_ADDR(qn->qos.qos_port),
				  NOC_QOS_MODEn_MASK, mode);
}