Lines Matching defs:xmit
483 struct circ_buf *xmit = &tup->uport.state->xmit;
487 BUG_ON(uart_circ_empty(xmit));
493 tegra_uart_write(tup, xmit->buf[xmit->tail], UART_TX);
494 xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
514 struct circ_buf *xmit = &tup->uport.state->xmit;
525 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
534 struct circ_buf *xmit = &tup->uport.state->xmit;
538 tx_phys_addr = tup->tx_dma_buf_phys + xmit->tail;
564 struct circ_buf *xmit = &tup->uport.state->xmit;
569 tail = (unsigned long)&xmit->buf[xmit->tail];
570 count = CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE);
586 struct circ_buf *xmit = &u->state->xmit;
588 if (!uart_circ_empty(xmit) && !tup->tx_in_progress)
628 struct circ_buf *xmit = &tup->uport.state->xmit;
632 if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
1169 tup->uport.state->xmit.buf, UART_XMIT_SIZE,
1176 dma_buf = tup->uport.state->xmit.buf;