diff options
| -rw-r--r-- | drivers/tty/serial/altera_uart.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c index a38db2cb8dc1..4170e66601ec 100644 --- a/drivers/tty/serial/altera_uart.c +++ b/drivers/tty/serial/altera_uart.c @@ -272,10 +272,8 @@ static void altera_uart_tx_chars(struct altera_uart *pp) if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(port); - if (xmit->head == xmit->tail) { - pp->imr &= ~ALTERA_UART_CONTROL_TRDY_MSK; - altera_uart_update_ctrl_reg(pp); - } + if (uart_circ_empty(xmit)) + altera_uart_stop_tx(port); } static irqreturn_t altera_uart_interrupt(int irq, void *data) |