Re: [PATCH 2/2] serial: RS485 termination is supported if DT provides one
From: Lino Sanfilippo
Date: Tue Jul 05 2022 - 06:27:57 EST
On 04.07.22 11:45, Ilpo Järvinen wrote:
> When DT provides rs485-term, set termination flag as supported.
>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
> ---
> drivers/tty/serial/serial_core.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
> index a9cf1044a9fa..1db44cde76f6 100644
> --- a/drivers/tty/serial/serial_core.c
> +++ b/drivers/tty/serial/serial_core.c
> @@ -3409,6 +3409,8 @@ int uart_get_rs485_mode(struct uart_port *port)
> port->rs485_term_gpio = NULL;
> return dev_err_probe(dev, ret, "Cannot get rs485-term-gpios\n");
> }
> + if (port->rs485_term_gpio)
> + port->rs485_supported.flags |= SER_RS485_TERMINATE_BUS;
>
> return 0;
> }
FWIW:
Reviewed-by: Lino Sanfilippo <l.sanfilippo@xxxxxxxxxx>
Regards,
Lino