int imx_icc_register()

in imx/imx.c [223:265]

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

int imx_icc_register(struct platform_device *pdev,
		     struct imx_icc_node_desc *nodes, int nodes_count)
{
	struct device *dev = &pdev->dev;
	struct icc_onecell_data *data;
	struct icc_provider *provider;
	int max_node_id;
	int ret;

	/* icc_onecell_data is indexed by node_id, unlike nodes param */
	max_node_id = get_max_node_id(nodes, nodes_count);
	data = devm_kzalloc(dev, struct_size(data, nodes, max_node_id),
			    GFP_KERNEL);
	if (!data)
		return -ENOMEM;
	data->num_nodes = max_node_id;

	provider = devm_kzalloc(dev, sizeof(*provider), GFP_KERNEL);
	if (!provider)
		return -ENOMEM;
	provider->set = imx_icc_set;
	provider->aggregate = icc_std_aggregate;
	provider->xlate = of_icc_xlate_onecell;
	provider->data = data;
	provider->dev = dev->parent;
	platform_set_drvdata(pdev, provider);

	ret = icc_provider_add(provider);
	if (ret) {
		dev_err(dev, "error adding interconnect provider: %d\n", ret);
		return ret;
	}

	ret = imx_icc_register_nodes(provider, nodes, nodes_count);
	if (ret)
		goto provider_del;

	return 0;

provider_del:
	icc_provider_del(provider);
	return ret;
}