static int exynos_ppmu_v2_disable()

in event/exynos-ppmu.c [280:372]

• 70 lines of code
• 21 McCabe index (conditional complexity)

static int exynos_ppmu_v2_disable(struct devfreq_event_dev *edev)
{
	struct exynos_ppmu *info = devfreq_event_get_drvdata(edev);
	int ret;
	u32 pmnc, clear;

	/* Disable all counters */
	clear = (PPMU_CCNT_MASK | PPMU_PMCNT0_MASK | PPMU_PMCNT1_MASK
		| PPMU_PMCNT2_MASK | PPMU_PMCNT3_MASK);
	ret = regmap_write(info->regmap, PPMU_V2_FLAG, clear);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_INTENC, clear);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_CNTENC, clear);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_CNT_RESET, clear);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_CIG_CFG0, 0x0);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_CIG_CFG1, 0x0);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_CIG_CFG2, 0x0);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_CIG_RESULT, 0x0);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_CNT_AUTO, 0x0);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_CH_EV0_TYPE, 0x0);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_CH_EV1_TYPE, 0x0);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_CH_EV2_TYPE, 0x0);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_CH_EV3_TYPE, 0x0);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_SM_ID_V, 0x0);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_SM_ID_A, 0x0);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_SM_OTHERS_V, 0x0);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_SM_OTHERS_A, 0x0);
	if (ret < 0)
		return ret;

	ret = regmap_write(info->regmap, PPMU_V2_INTERRUPT_RESET, 0x0);
	if (ret < 0)
		return ret;

	/* Disable PPMU */
	ret = regmap_read(info->regmap, PPMU_V2_PMNC, &pmnc);
	if (ret < 0)
		return ret;

	pmnc &= ~PPMU_PMNC_ENABLE_MASK;
	ret = regmap_write(info->regmap, PPMU_V2_PMNC, pmnc);
	if (ret < 0)
		return ret;

	return 0;
}