diff options
Diffstat (limited to 'drivers/tty/serial/mxs-auart.c')
| -rw-r--r-- | drivers/tty/serial/mxs-auart.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index 7e02c9c344fe..076169f50b01 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -145,11 +145,12 @@ static inline void mxs_auart_tx_chars(struct mxs_auart_port *s) writel(xmit->buf[xmit->tail], s->port.membase + AUART_DATA); xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) - uart_write_wakeup(&s->port); } else break; } + if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) + uart_write_wakeup(&s->port); + if (uart_circ_empty(&(s->port.state->xmit))) writel(AUART_INTR_TXIEN, s->port.membase + AUART_INTR_CLR); |