static int qcom_icc_set_bimc_qos()

in qcom/icc-rpm.c [95:129]

• 26 lines of code
• 5 McCabe index (conditional complexity)

static int qcom_icc_set_bimc_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;
	u32 val = 0;
	int i, rc = 0;

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

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

	/* QoS Priority: The QoS Health parameters are getting considered
	 * only if we are NOT in Bypass Mode.
	 */
	if (mode != NOC_QOS_MODE_BYPASS) {
		for (i = 3; i >= 0; i--) {
			rc = qcom_icc_bimc_set_qos_health(qp,
							  &qn->qos, i);
			if (rc)
				return rc;
		}

		/* Set BKE_EN to 1 when Fixed, Regulator or Limiter Mode */
		val = 1;
	}

	return regmap_update_bits(qp->regmap,
				  qp->qos_offset + M_BKE_EN_ADDR(qn->qos.qos_port),
				  M_BKE_EN_EN_BMASK, val);
}