static int set_freq_table()

in devfreq.c [178:212]

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

static int set_freq_table(struct devfreq *devfreq)
{
	struct devfreq_dev_profile *profile = devfreq->profile;
	struct dev_pm_opp *opp;
	unsigned long freq;
	int i, count;

	/* Initialize the freq_table from OPP table */
	count = dev_pm_opp_get_opp_count(devfreq->dev.parent);
	if (count <= 0)
		return -EINVAL;

	profile->max_state = count;
	profile->freq_table = devm_kcalloc(devfreq->dev.parent,
					profile->max_state,
					sizeof(*profile->freq_table),
					GFP_KERNEL);
	if (!profile->freq_table) {
		profile->max_state = 0;
		return -ENOMEM;
	}

	for (i = 0, freq = 0; i < profile->max_state; i++, freq++) {
		opp = dev_pm_opp_find_freq_ceil(devfreq->dev.parent, &freq);
		if (IS_ERR(opp)) {
			devm_kfree(devfreq->dev.parent, profile->freq_table);
			profile->max_state = 0;
			return PTR_ERR(opp);
		}
		dev_pm_opp_put(opp);
		profile->freq_table[i] = freq;
	}

	return 0;
}