Commit 8bec874f authored by Ilpo Järvinen's avatar Ilpo Järvinen Committed by Greg Kroah-Hartman
Browse files

serial: RS485 termination is supported if DT provides one 



When DT provides rs485-term, set termination flag as supported.

Reviewed-by: default avatarLino Sanfilippo <l.sanfilippo@kunbus.com>
Signed-off-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220704094515.6831-3-ilpo.jarvinen@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0139da50

drivers/tty/serial/serial_core.c

+2 −0
Original line number Diff line number Diff line
@@ -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;

}