void icc_node_add()

in core.c [960:992]

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

void icc_node_add(struct icc_node *node, struct icc_provider *provider)
{
	if (WARN_ON(node->provider))
		return;

	mutex_lock(&icc_lock);

	node->provider = provider;
	list_add_tail(&node->node_list, &provider->nodes);

	/* get the initial bandwidth values and sync them with hardware */
	if (provider->get_bw) {
		provider->get_bw(node, &node->init_avg, &node->init_peak);
	} else {
		node->init_avg = INT_MAX;
		node->init_peak = INT_MAX;
	}
	node->avg_bw = node->init_avg;
	node->peak_bw = node->init_peak;

	if (provider->pre_aggregate)
		provider->pre_aggregate(node);

	if (provider->aggregate)
		provider->aggregate(node, 0, node->init_avg, node->init_peak,
				    &node->avg_bw, &node->peak_bw);

	provider->set(node, node);
	node->avg_bw = 0;
	node->peak_bw = 0;

	mutex_unlock(&icc_lock);
}