linux-kernel - [PATCH 17/36] serial: max310x: Fill in rs485

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Date:   Mon,  6 Jun 2022 13:04:14 +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>, linux-kernel@...r.kernel.org
Cc:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH 17/36] serial: max310x: Fill in rs485_supported

Add information on supported serial_rs485 features.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
---
 drivers/tty/serial/max310x.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index a0b6ea52d133..9837f542a55a 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1249,6 +1249,12 @@ static int max310x_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
 }
 #endif
 
+static const struct serial_rs485 max310x_rs485_supported = {
+	.flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | SER_RS485_RX_DURING_TX,
+	.delay_rts_before_send = 1,
+	.delay_rts_after_send = 1,
+};
+
 static int max310x_probe(struct device *dev, const struct max310x_devtype *devtype,
 			 struct regmap *regmap, int irq)
 {
@@ -1357,6 +1363,7 @@ static int max310x_probe(struct device *dev, const struct max310x_devtype *devty
 		s->p[i].port.membase	= (void __iomem *)~0;
 		s->p[i].port.uartclk	= uartclk;
 		s->p[i].port.rs485_config = max310x_rs485_config;
+		s->p[i].port.rs485_supported = &max310x_rs485_supported;
 		s->p[i].port.ops	= &max310x_ops;
 		/* Disable all interrupts */
 		max310x_port_write(&s->p[i].port, MAX310X_IRQEN_REG, 0);
-- 
2.30.2