int dev_pm_opp_set_sharing_cpus()

in cpu.c [155:192]

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

int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev,
				const struct cpumask *cpumask)
{
	struct opp_device *opp_dev;
	struct opp_table *opp_table;
	struct device *dev;
	int cpu, ret = 0;

	opp_table = _find_opp_table(cpu_dev);
	if (IS_ERR(opp_table))
		return PTR_ERR(opp_table);

	for_each_cpu(cpu, cpumask) {
		if (cpu == cpu_dev->id)
			continue;

		dev = get_cpu_device(cpu);
		if (!dev) {
			dev_err(cpu_dev, "%s: failed to get cpu%d device\n",
				__func__, cpu);
			continue;
		}

		opp_dev = _add_opp_dev(dev, opp_table);
		if (!opp_dev) {
			dev_err(dev, "%s: failed to add opp-dev for cpu%d device\n",
				__func__, cpu);
			continue;
		}

		/* Mark opp-table as multiple CPUs are sharing it now */
		opp_table->shared_opp = OPP_TABLE_ACCESS_SHARED;
	}

	dev_pm_opp_put_opp_table(opp_table);

	return ret;
}