static int reset_simple_probe()

in reset-simple.c [157:195]

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

static int reset_simple_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	const struct reset_simple_devdata *devdata;
	struct reset_simple_data *data;
	void __iomem *membase;
	struct resource *res;
	u32 reg_offset = 0;

	devdata = of_device_get_match_data(dev);

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

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	membase = devm_ioremap_resource(dev, res);
	if (IS_ERR(membase))
		return PTR_ERR(membase);

	spin_lock_init(&data->lock);
	data->membase = membase;
	data->rcdev.owner = THIS_MODULE;
	data->rcdev.nr_resets = resource_size(res) * BITS_PER_BYTE;
	data->rcdev.ops = &reset_simple_ops;
	data->rcdev.of_node = dev->of_node;

	if (devdata) {
		reg_offset = devdata->reg_offset;
		if (devdata->nr_resets)
			data->rcdev.nr_resets = devdata->nr_resets;
		data->active_low = devdata->active_low;
		data->status_active_low = devdata->status_active_low;
	}

	data->membase += reg_offset;

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