MAC_CSR_CMD
val = smsc911x_reg_read(pdata, MAC_CSR_CMD);
temp = smsc911x_reg_read(pdata, MAC_CSR_CMD);
smsc911x_reg_write(pdata, MAC_CSR_CMD, ((offset & 0xFF) |
temp = smsc911x_reg_read(pdata, MAC_CSR_CMD);
smsc911x_reg_write(pdata, MAC_CSR_CMD, ((offset & 0xFF) |