diff options
Diffstat (limited to 'drivers/tty/serial/imx.c')
| -rw-r--r-- | drivers/tty/serial/imx.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 80456ea2603a..3a954194d2f6 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -651,6 +651,9 @@ static void imx_start_tx(struct uart_port *port) struct imx_port *sport = (struct imx_port *)port; u32 ucr1; + if (!sport->port.x_char && uart_circ_empty(&port->state->xmit)) + return; + if (port->rs485.flags & SER_RS485_ENABLED) { u32 ucr2; |