static int zynq_reset_probe()

in reset-zynq.c [89:120]

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

static int zynq_reset_probe(struct platform_device *pdev)
{
	struct resource *res;
	struct zynq_reset_data *priv;

	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
	if (!priv)
		return -ENOMEM;
	platform_set_drvdata(pdev, priv);

	priv->slcr = syscon_regmap_lookup_by_phandle(pdev->dev.of_node,
						     "syscon");
	if (IS_ERR(priv->slcr)) {
		dev_err(&pdev->dev, "unable to get zynq-slcr regmap");
		return PTR_ERR(priv->slcr);
	}

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!res) {
		dev_err(&pdev->dev, "missing IO resource\n");
		return -ENODEV;
	}

	priv->offset = res->start;

	priv->rcdev.owner = THIS_MODULE;
	priv->rcdev.nr_resets = resource_size(res) / 4 * BITS_PER_LONG;
	priv->rcdev.ops = &zynq_reset_ops;
	priv->rcdev.of_node = pdev->dev.of_node;

	return devm_reset_controller_register(&pdev->dev, &priv->rcdev);
}