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From:   =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>
To:     linux-serial@vger.kernel.org, Greg KH <gregkh@linuxfoundation.org>,
        Jiri Slaby <jirislaby@kernel.org>,
        Russell King <linux@armlinux.org.uk>,
        linux-kernel@vger.kernel.org
Cc:     =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>
Subject: [PATCH 12/36] serial: pl011: Fill in rs485_supported
Date:   Mon,  6 Jun 2022 13:04:09 +0300
Message-Id: <20220606100433.13793-13-ilpo.jarvinen@linux.intel.com>
In-Reply-To: <20220606100433.13793-1-ilpo.jarvinen@linux.intel.com>
References: <20220606100433.13793-1-ilpo.jarvinen@linux.intel.com>
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Add information on supported serial_rs485 features.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
 drivers/tty/serial/amba-pl011.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 97ef41cb2721..cdc466e89aa8 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2751,6 +2751,13 @@ static int pl011_register_port(struct uart_amba_port *uap)
 	return ret;
 }
 
+static const struct serial_rs485 pl011_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 pl011_probe(struct amba_device *dev, const struct amba_id *id)
 {
 	struct uart_amba_port *uap;
@@ -2777,6 +2784,7 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id)
 	uap->port.irq = dev->irq[0];
 	uap->port.ops = &amba_pl011_pops;
 	uap->port.rs485_config = pl011_rs485_config;
+	uap->port.rs485_supported = &pl011_rs485_supported;
 	snprintf(uap->type, sizeof(uap->type), "PL011 rev%u", amba_rev(dev));
 
 	ret = pl011_setup_port(&dev->dev, uap, &dev->res, portnr);
-- 
2.30.2