tegra_powergate_set
return tegra_powergate_set(pmc, id, true);
return tegra_powergate_set(pmc, id, false);
return tegra_powergate_set(pmc, id, true);
err = tegra_powergate_set(pg->pmc, pg->id, true);
tegra_powergate_set(pg->pmc, pg->id, false);
err = tegra_powergate_set(pg->pmc, pg->id, false);