TEGRA210_EMC_REFRESH_THROTTLE
case TEGRA210_EMC_REFRESH_THROTTLE:
tegra210_emc_set_refresh(emc, TEGRA210_EMC_REFRESH_THROTTLE);
if (refresh > TEGRA210_EMC_REFRESH_THROTTLE)
if (refresh == TEGRA210_EMC_REFRESH_THROTTLE && emc->derated)