serial: mcf: Fill in rs485_supported

Add information on supported serial_rs485 features.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220606100433.13793-19-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/mcf.c b/drivers/tty/serial/mcf.c
index 2aec62b5d6c48a5e2a9c8e67e3da4e461895b205..655255e0c76ab34203197cb47dc7cf18e4e69429 100644 (file)
--- a/drivers/tty/serial/mcf.c
+++ b/drivers/tty/serial/mcf.c
@@ -453,6 +453,10 @@ static int mcf_config_rs485(struct uart_port *port, struct serial_rs485 *rs485)
        return 0;
 }
 
+static const struct serial_rs485 mcf_rs485_supported = {
+       .flags = SER_RS485_ENABLED | SER_RS485_RTS_AFTER_SEND,
+};
+
 /****************************************************************************/
 
 /*
@@ -502,6 +506,7 @@ int __init early_mcf_setup(struct mcf_platform_uart *platp)
                port->uartclk = MCF_BUSCLK;
                port->flags = UPF_BOOT_AUTOCONF;
                port->rs485_config = mcf_config_rs485;
+               port->rs485_supported = &mcf_rs485_supported;
                port->ops = &mcf_uart_ops;
        }
 
@@ -629,6 +634,7 @@ static int mcf_probe(struct platform_device *pdev)
                port->ops = &mcf_uart_ops;
                port->flags = UPF_BOOT_AUTOCONF;
                port->rs485_config = mcf_config_rs485;
+               port->rs485_supported = &mcf_rs485_supported;
                port->has_sysrq = IS_ENABLED(CONFIG_SERIAL_MCF_CONSOLE);
 
                uart_add_one_port(&mcf_driver, port);