serial: omap: 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/20220606100433.13793-20-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 46f4d4cacb6e38d663c68bc75630f5d80cf6edcc..98622c35d896cb8dab08ac4c2185dd14b13c9803 100644 (file)
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1559,6 +1559,13 @@ static int serial_omap_probe_rs485(struct uart_omap_port *up,
        return 0;
 }
 
+static const struct serial_rs485 serial_omap_rs485_supported = {
+       .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | SER_RS485_RTS_AFTER_SEND |
+                SER_RS485_RX_DURING_TX,
+       .delay_rts_before_send = 1,
+       .delay_rts_after_send = 1,
+};
+
 static int serial_omap_probe(struct platform_device *pdev)
 {
        struct omap_uart_port_info *omap_up_info = dev_get_platdata(&pdev->dev);
@@ -1636,6 +1643,7 @@ static int serial_omap_probe(struct platform_device *pdev)
        up->port.flags = omap_up_info->flags;
        up->port.uartclk = omap_up_info->uartclk;
        up->port.rs485_config = serial_omap_config_rs485;
+       up->port.rs485_supported = &serial_omap_rs485_supported;
        if (!up->port.uartclk) {
                up->port.uartclk = DEFAULT_CLK_SPEED;
                dev_warn(&pdev->dev,