AR5K_PHY_FAST_ANT_DIV
v = ath5k_hw_reg_read(ah, AR5K_PHY_FAST_ANT_DIV);
AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_FAST_ANT_DIV,
AR5K_REG_DISABLE_BITS(ah, AR5K_PHY_FAST_ANT_DIV,