AR_PHY_AGC_CAL
OS_REG_READ(ah, AR_PHY_AGCCTL) | AR_PHY_AGC_CAL);
(void) ath_hal_wait(ah, AR_PHY_AGCCTL, AR_PHY_AGC_CAL, 0);
OS_REG_READ(ah, AR_PHY_AGCCTL) | AR_PHY_AGC_CAL);
if (!ath_hal_wait(ah, AR_PHY_AGCCTL, AR_PHY_AGC_CAL, 0)) {