static int imx8m_ddrc_check_opps()

in imx8m-ddrc.c [329:359]

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

static int imx8m_ddrc_check_opps(struct device *dev)
{
	struct imx8m_ddrc *priv = dev_get_drvdata(dev);
	struct imx8m_ddrc_freq *freq_info;
	struct dev_pm_opp *opp;
	unsigned long freq;
	int i, opp_count;

	/* Enumerate DT OPPs and disable those not supported by firmware */
	opp_count = dev_pm_opp_get_opp_count(dev);
	if (opp_count < 0)
		return opp_count;
	for (i = 0, freq = 0; i < opp_count; ++i, ++freq) {
		opp = dev_pm_opp_find_freq_ceil(dev, &freq);
		if (IS_ERR(opp)) {
			dev_err(dev, "Failed enumerating OPPs: %ld\n",
				PTR_ERR(opp));
			return PTR_ERR(opp);
		}
		dev_pm_opp_put(opp);

		freq_info = imx8m_ddrc_find_freq(priv, freq);
		if (!freq_info) {
			dev_info(dev, "Disable unsupported OPP %luHz %luMT/s\n",
					freq, DIV_ROUND_CLOSEST(freq, 250000));
			dev_pm_opp_disable(dev, freq);
		}
	}

	return 0;
}