serial: atmel: 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/20220606100433.13793-15-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index dd1c7e4bd1c95ba8f6f4476a2f6aa67b2db833cc..74dd1d3ac46f377122f1e421b802ce2a7a8df9ad 100644 (file)
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -2473,6 +2473,12 @@ static const struct uart_ops atmel_pops = {
 #endif
 };
 
+static const struct serial_rs485 atmel_rs485_supported = {
+       .flags = SER_RS485_ENABLED | SER_RS485_RTS_AFTER_SEND | SER_RS485_RX_DURING_TX,
+       .delay_rts_before_send = 1,
+       .delay_rts_after_send = 1,
+};
+
 /*
  * Configure the port from the platform device resource info.
  */
@@ -2494,6 +2500,7 @@ static int atmel_init_port(struct atmel_uart_port *atmel_port,
        port->mapbase           = mpdev->resource[0].start;
        port->irq               = platform_get_irq(mpdev, 0);
        port->rs485_config      = atmel_config_rs485;
+       port->rs485_supported   = &atmel_rs485_supported;
        port->iso7816_config    = atmel_config_iso7816;
        port->membase           = NULL;