ADDRH
smsc911x_mac_write(pdata, ADDRH, mac_high16);
mac_high16 = smsc911x_mac_read(pdata, ADDRH);
mac_high16 = smsc911x_mac_read(pdata, ADDRH);
smsc9420_reg_write(pd, ADDRH, mac_high16);
u32 mac_high16 = smsc9420_reg_read(pd, ADDRH);
return smsc95xx_write_reg(dev, ADDRH, addr_hi);