rtl8xxxu_llt_write
ret = rtl8xxxu_llt_write(priv, i, i + 1);
ret = rtl8xxxu_llt_write(priv, last_tx_page, 0xff);
ret = rtl8xxxu_llt_write(priv, i, (i + 1));
ret = rtl8xxxu_llt_write(priv, last_entry, last_tx_page + 1);