linux-kernel - [PATCH 11/20] serial: stm32: add RTS support

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Date:   Mon, 26 Jun 2017 12:49:13 +0000
From:   Bich HEMON <bich.hemon@...com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        "Jiri Slaby" <jslaby@...e.com>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Bich HEMON <bich.hemon@...com>
Subject: [PATCH 11/20] serial: stm32: add RTS support

From: Bich Hemon <bich.hemon@...com>

Signed-off-by: Bich Hemon <bich.hemon@...com>
---
 drivers/tty/serial/stm32-usart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 13fc520..a7401b0 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -617,7 +617,7 @@ static void stm32_set_termios(struct uart_port *port, struct ktermios *termios,
 	port->status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS);
 	if (cflag & CRTSCTS) {
 		port->status |= UPSTAT_AUTOCTS | UPSTAT_AUTORTS;
-		cr3 |= USART_CR3_CTSE;
+		cr3 |= USART_CR3_CTSE | USART_CR3_RTSE;
 	}
 
 	usartdiv = DIV_ROUND_CLOSEST(port->uartclk, baud);
-- 
1.9.1