diff options
Diffstat (limited to 'drivers/tty/serial/8250/8250_dma.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_dma.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c index a8dba4a0a8fb..b85c82616e8c 100644 --- a/drivers/tty/serial/8250/8250_dma.c +++ b/drivers/tty/serial/8250/8250_dma.c @@ -26,9 +26,7 @@ static void __dma_tx_complete(void *param) dma->tx_running = 0; - xmit->tail += dma->tx_size; - xmit->tail &= UART_XMIT_SIZE - 1; - p->port.icount.tx += dma->tx_size; + uart_xmit_advance(&p->port, dma->tx_size); if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(&p->port); @@ -107,8 +105,7 @@ int serial8250_tx_dma(struct uart_8250_port *p) dma_async_issue_pending(dma->txchan); serial8250_clear_THRI(p); - if (dma->tx_err) - dma->tx_err = 0; + dma->tx_err = 0; return 0; err: |