static int qcom_pdc_reset_probe()

in reset-qcom-pdc.c [111:145]

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

static int qcom_pdc_reset_probe(struct platform_device *pdev)
{
	const struct qcom_pdc_reset_desc *desc;
	struct qcom_pdc_reset_data *data;
	struct device *dev = &pdev->dev;
	void __iomem *base;
	struct resource *res;

	desc = device_get_match_data(&pdev->dev);
	if (!desc)
		return -EINVAL;

	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
	if (!data)
		return -ENOMEM;

	data->desc = desc;
	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	base = devm_ioremap_resource(dev, res);
	if (IS_ERR(base))
		return PTR_ERR(base);

	data->regmap = devm_regmap_init_mmio(dev, base, &pdc_regmap_config);
	if (IS_ERR(data->regmap)) {
		dev_err(dev, "Unable to initialize regmap\n");
		return PTR_ERR(data->regmap);
	}

	data->rcdev.owner = THIS_MODULE;
	data->rcdev.ops = &qcom_pdc_reset_ops;
	data->rcdev.nr_resets = desc->num_resets;
	data->rcdev.of_node = dev->of_node;

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