From: Ilpo Järvinen Date: Mon, 4 Jul 2022 09:45:15 +0000 (+0300) Subject: serial: RS485 termination is supported if DT provides one X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8bec874f84d826288a6cfa6acc683d15c218d78c;p=linux.git serial: RS485 termination is supported if DT provides one When DT provides rs485-term, set termination flag as supported. Reviewed-by: Lino Sanfilippo Signed-off-by: Ilpo Järvinen Link: https://lore.kernel.org/r/20220704094515.6831-3-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index a9cf1044a9faa..1db44cde76f61 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; }