static int hi6220_reset_probe()

in hisilicon/hi6220_reset.c [155:189]

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

static int hi6220_reset_probe(struct platform_device *pdev)
{
	struct device_node *np = pdev->dev.of_node;
	struct device *dev = &pdev->dev;
	enum hi6220_reset_ctrl_type type;
	struct hi6220_reset_data *data;
	struct regmap *regmap;

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

	type = (enum hi6220_reset_ctrl_type)of_device_get_match_data(dev);

	regmap = syscon_node_to_regmap(np);
	if (IS_ERR(regmap)) {
		dev_err(dev, "failed to get reset controller regmap\n");
		return PTR_ERR(regmap);
	}

	data->regmap = regmap;
	data->rc_dev.of_node = np;
	if (type == MEDIA) {
		data->rc_dev.ops = &hi6220_media_reset_ops;
		data->rc_dev.nr_resets = MEDIA_MAX_INDEX;
	} else if (type == PERIPHERAL) {
		data->rc_dev.ops = &hi6220_peripheral_reset_ops;
		data->rc_dev.nr_resets = PERIPH_MAX_INDEX;
	} else {
		data->rc_dev.ops = &hi6220_ao_reset_ops;
		data->rc_dev.nr_resets = AO_MAX_INDEX;
	}

	return reset_controller_register(&data->rc_dev);
}