int dev_pm_opp_sync_regulators()

in core.c [2902:2932]

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

int dev_pm_opp_sync_regulators(struct device *dev)
{
	struct opp_table *opp_table;
	struct regulator *reg;
	int i, ret = 0;

	/* Device may not have OPP table */
	opp_table = _find_opp_table(dev);
	if (IS_ERR(opp_table))
		return 0;

	/* Regulator may not be required for the device */
	if (unlikely(!opp_table->regulators))
		goto put_table;

	/* Nothing to sync if voltage wasn't changed */
	if (!opp_table->enabled)
		goto put_table;

	for (i = 0; i < opp_table->regulator_count; i++) {
		reg = opp_table->regulators[i];
		ret = regulator_sync_voltage(reg);
		if (ret)
			break;
	}
put_table:
	/* Drop reference taken by _find_opp_table() */
	dev_pm_opp_put_opp_table(opp_table);

	return ret;
}