static int ti_opp_supply_probe()

in ti-opp-supply.c [378:414]

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

static int ti_opp_supply_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	struct device *cpu_dev = get_cpu_device(0);
	const struct of_device_id *match;
	const struct ti_opp_supply_of_data *of_data;
	int ret = 0;

	match = of_match_device(ti_opp_supply_of_match, dev);
	if (!match) {
		/* We do not expect this to happen */
		dev_err(dev, "%s: Unable to match device\n", __func__);
		return -ENODEV;
	}
	if (!match->data) {
		/* Again, unlikely.. but mistakes do happen */
		dev_err(dev, "%s: Bad data in match\n", __func__);
		return -EINVAL;
	}
	of_data = match->data;

	dev_set_drvdata(dev, (void *)of_data);

	/* If we need optimized voltage */
	if (of_data->flags & OPPDM_EFUSE_CLASS0_OPTIMIZED_VOLTAGE) {
		ret = _store_optimized_voltages(dev, &opp_data);
		if (ret)
			return ret;
	}

	ret = PTR_ERR_OR_ZERO(dev_pm_opp_register_set_opp_helper(cpu_dev,
								 ti_opp_supply_set_opp));
	if (ret)
		_free_optimized_voltages(dev, &opp_data);

	return ret;
}