AR_PHY_PMU1
REG_WRITE(ah, AR_PHY_PMU1(ah), reg_pmu_set);
if (!is_pmu_set(ah, AR_PHY_PMU1(ah), reg_pmu_set))
REG_WRITE(ah, AR_PHY_PMU1(ah), reg_val);
REG_RMW_FIELD(ah, AR_PHY_PMU1(ah), AR_PHY_PMU1_PWD, 0x1);
while (!REG_READ_FIELD(ah, AR_PHY_PMU1(ah),
REG_RMW_FIELD(ah, AR_PHY_PMU1(ah), AR_PHY_PMU1_PWD, 0x1);