JM_PHY_EXT_COMM_2_REG
phy_data = jme_phy_specreg_read(jme, JM_PHY_EXT_COMM_2_REG);
jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_2_REG, phy_data);
phy_data = jme_phy_specreg_read(jme, JM_PHY_EXT_COMM_2_REG);
jme_phy_specreg_write(jme, JM_PHY_EXT_COMM_2_REG, phy_data);