diff options
| -rw-r--r-- | drivers/tty/serial/8250/8250_exar.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index 19de9f535c67..6e33c74e569f 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -425,7 +425,7 @@ static int generic_rs485_config(struct uart_port *port, } static const struct serial_rs485 generic_rs485_supported = { - .flags = SER_RS485_ENABLED, + .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND, }; static const struct exar8250_platform exar8250_default_platform = { @@ -468,7 +468,8 @@ static int iot2040_rs485_config(struct uart_port *port, } static const struct serial_rs485 iot2040_rs485_supported = { - .flags = SER_RS485_ENABLED | SER_RS485_RX_DURING_TX | SER_RS485_TERMINATE_BUS, + .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | + SER_RS485_RX_DURING_TX | SER_RS485_TERMINATE_BUS, }; static const struct property_entry iot2040_gpio_properties[] = { |