AR_PHY_TIMING_CTRL4_DO_CAL
OS_REG_SET_BIT(ah, AR_PHY_TIMING_CTRL4, AR_PHY_TIMING_CTRL4_DO_CAL);
if (!ath_hal_wait(ah, AR_PHY_TIMING_CTRL4, AR_PHY_TIMING_CTRL4_DO_CAL, 0)) {
if (!(OS_REG_READ(ah, AR_PHY_TIMING_CTRL4) & AR_PHY_TIMING_CTRL4_DO_CAL)) {