AR5K_AR5210_PHY_AGCCOARSE
phy_agc = AR5K_REG_READ(AR5K_AR5210_PHY_AGCCOARSE);
AR5K_REG_WRITE(AR5K_AR5210_PHY_AGCCOARSE,
AR5K_REG_WRITE(AR5K_AR5210_PHY_AGCCOARSE, phy_agc);