int _opp_add_v1()

in core.c [1765:1804]

• 28 lines of code
• 4 McCabe index (conditional complexity)

int _opp_add_v1(struct opp_table *opp_table, struct device *dev,
		unsigned long freq, long u_volt, bool dynamic)
{
	struct dev_pm_opp *new_opp;
	unsigned long tol;
	int ret;

	new_opp = _opp_allocate(opp_table);
	if (!new_opp)
		return -ENOMEM;

	/* populate the opp table */
	new_opp->rate = freq;
	tol = u_volt * opp_table->voltage_tolerance_v1 / 100;
	new_opp->supplies[0].u_volt = u_volt;
	new_opp->supplies[0].u_volt_min = u_volt - tol;
	new_opp->supplies[0].u_volt_max = u_volt + tol;
	new_opp->available = true;
	new_opp->dynamic = dynamic;

	ret = _opp_add(dev, new_opp, opp_table, false);
	if (ret) {
		/* Don't return error for duplicate OPPs */
		if (ret == -EBUSY)
			ret = 0;
		goto free_opp;
	}

	/*
	 * Notify the changes in the availability of the operable
	 * frequency/voltage list.
	 */
	blocking_notifier_call_chain(&opp_table->head, OPP_EVENT_ADD, new_opp);
	return 0;

free_opp:
	_opp_free(new_opp);

	return ret;
}