Report the only mode we can support with the 16C850. Signed-off-by: Wolfram Sang <w.sang@xxxxxxxxxxxxxx> --- drivers/tty/serial/8250.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c index 28b3608..8cf6d76 100644 --- a/drivers/tty/serial/8250.c +++ b/drivers/tty/serial/8250.c @@ -2750,6 +2750,9 @@ static int serial8250_ioctl_port(struct uart_port *port, serial_outp(up, UART_LCR, lcr); spin_unlock_irqrestore(&up->port.lock, flags); + /* only mode supported by the 16C850 */ + rs485ctrl.flags &= ~SER_RS485_RTS_ON_SEND; + rs485ctrl.flags |= SER_RS485_RTS_AFTER_SEND; up->rs485_flags = rs485ctrl.flags; return 0; -- 1.7.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
