mcs7830_get_reg
int ret = mcs7830_get_reg(dev, HIF_REG_ETHERNET_ADDR, ETH_ALEN, addr);
ret = mcs7830_get_reg(dev, HIF_REG_PHY_CMD1, 2, cmd);
ret = mcs7830_get_reg(dev, HIF_REG_PHY_DATA, 2, &val);
ret = mcs7830_get_reg(dev, HIF_REG_PHY_CMD1, 2, cmd);
ret = mcs7830_get_reg(dev, HIF_REG_FRAME_DROP_COUNTER, 2, dummy);
mcs7830_get_reg(dev, 0, regs->len, data);