static int imx_icc_node_set()

in imx/imx.c [28:52]

• 20 lines of code
• 3 McCabe index (conditional complexity)

static int imx_icc_node_set(struct icc_node *node)
{
	struct device *dev = node->provider->dev;
	struct imx_icc_node *node_data = node->data;
	u64 freq;

	if (!node_data->qos_dev)
		return 0;

	freq = (node->avg_bw + node->peak_bw) * node_data->desc->adj->bw_mul;
	do_div(freq, node_data->desc->adj->bw_div);
	dev_dbg(dev, "node %s device %s avg_bw %ukBps peak_bw %ukBps min_freq %llukHz\n",
		node->name, dev_name(node_data->qos_dev),
		node->avg_bw, node->peak_bw, freq);

	if (freq > S32_MAX) {
		dev_err(dev, "%s can't request more than S32_MAX freq\n",
				node->name);
		return -ERANGE;
	}

	dev_pm_qos_update_request(&node_data->qos_req, freq);

	return 0;
}