[PATCH 14/36] serial: atmel: Fill in rs485_supported

Ilpo Järvinen ilpo.jarvinen at linux.intel.com
Mon Jun 6 03:04:11 PDT 2022


Add information on supported serial_rs485 features.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen at linux.intel.com>
---
 drivers/tty/serial/atmel_serial.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index dd1c7e4bd1c9..74dd1d3ac46f 100644
--- 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;
 
-- 
2.30.2




More information about the linux-arm-kernel mailing list