linux-kernel - [PATCH v2 9/9] serial: st32-usart: set SER_RS485_DELAY_IN

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Message-ID: <20190221171758.10322-9-martin.kepplinger@ginzinger.com>
Date:   Thu, 21 Feb 2019 18:17:58 +0100
From:   Martin Kepplinger <martin.kepplinger@...zinger.com>
To:     <gregkh@...uxfoundation.org>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <jslaby@...e.com>, <corbet@....net>,
        <richard.genoud@...il.com>, <nicolas.ferre@...rochip.com>,
        <alexandre.belloni@...tlin.com>, <ludovic.desroches@...rochip.com>,
        <mcoquelin.stm32@...il.com>, <alexandre.torgue@...com>,
        <linux-serial@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-stm32@...md-mailman.stormreply.com>
CC:     <linux-kernel@...r.kernel.org>,
        Martin Kepplinger <martin.kepplinger@...zinger.com>
Subject: [PATCH v2 9/9] serial: st32-usart: set SER_RS485_DELAY_IN_USEC accordingly

Unset SER_RS485_DELAY_IN_USEC for userspace to get correct settings.

Signed-off-by: Martin Kepplinger <martin.kepplinger@...zinger.com>
---
 drivers/tty/serial/stm32-usart.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index e8d7a7bb4339..4daf5fc71644 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -112,6 +112,7 @@ static int stm32_config_rs485(struct uart_port *port,
 
 	port->rs485 = *rs485conf;
 
+	rs485conf->flags &= ~SER_RS485_DELAY_IN_USEC;
 	rs485conf->flags |= SER_RS485_RX_DURING_TX;
 
 	if (rs485conf->flags & SER_RS485_ENABLED) {
-- 
2.20.1


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