linux-kernel - [PATCH 14/36] serial: atmel: Fill in rs485

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Date:   Mon,  6 Jun 2022 13:04:11 +0300
From:   Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To:     linux-serial@...r.kernel.org, Greg KH <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Richard Genoud <richard.genoud@...il.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH 14/36] serial: atmel: Fill in rs485_supported

Add information on supported serial_rs485 features.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.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