static int exynos_nocp_get_event()

in event/exynos-nocp.c [143:179]

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

static int exynos_nocp_get_event(struct devfreq_event_dev *edev,
				struct devfreq_event_data *edata)
{
	struct exynos_nocp *nocp = devfreq_event_get_drvdata(edev);
	unsigned int counter[4];
	int ret;

	/* Read cycle count */
	ret = regmap_read(nocp->regmap, NOCP_COUNTERS_0_VAL, &counter[0]);
	if (ret < 0)
		goto out;

	ret = regmap_read(nocp->regmap, NOCP_COUNTERS_1_VAL, &counter[1]);
	if (ret < 0)
		goto out;

	ret = regmap_read(nocp->regmap, NOCP_COUNTERS_2_VAL, &counter[2]);
	if (ret < 0)
		goto out;

	ret = regmap_read(nocp->regmap, NOCP_COUNTERS_3_VAL, &counter[3]);
	if (ret < 0)
		goto out;

	edata->load_count = ((counter[1] << 16) | counter[0]);
	edata->total_count = ((counter[3] << 16) | counter[2]);

	dev_dbg(&edev->dev, "%s (event: %ld/%ld)\n", edev->desc->name,
					edata->load_count, edata->total_count);

	return 0;

out:
	dev_err(nocp->dev, "Failed to read the counter of NoC probe device\n");

	return ret;
}