uart_xmit_advance
uart_xmit_advance(&p->port, dma->tx_size);
uart_xmit_advance(&p->port, dma->tx_size);
uart_xmit_advance(&uap->port, count);
uart_xmit_advance(port, pdc->ofs);
uart_xmit_advance(port, atmel_port->tx_len);
uart_xmit_advance(&sport->port, sport->dma_tx_bytes);
uart_xmit_advance(&sport->port, sport->tx_bytes);
uart_xmit_advance(port, to_send);
uart_xmit_advance(port, n);
uart_xmit_advance(port, count);
uart_xmit_advance(port, sg_dma_len(sg));
uart_xmit_advance(uport, port->tx_remaining);
uart_xmit_advance(port, count);
uart_xmit_advance(port, count);
uart_xmit_advance(port, txlen);
uart_xmit_advance(&tup->uport, count);
uart_xmit_advance(&tup->uport, count);
uart_xmit_advance(port, s->tx_dma_len);
uart_xmit_advance(port, trans_len);
uart_xmit_advance(port, sp->tx_dma.trans_len);
uart_xmit_advance(port, count);
uart_xmit_advance(port, 1);
uart_xmit_advance(port, sent);
uart_xmit_advance(port, count);