[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1321460685-15753-7-git-send-email-w.sang@pengutronix.de>
Date: Wed, 16 Nov 2011 17:24:43 +0100
From: Wolfram Sang <w.sang@...gutronix.de>
To: linux-serial@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Alan Cox <alan@...ux.intel.com>,
Claudio Scordino <claudio@...dence.eu.com>,
Juergen Beisert <jbe@...gutronix.de>,
Matthias Fuchs <mfuchs@...fu.de>,
Wolfram Sang <w.sang@...gutronix.de>
Subject: [PATCH 6/8] serial: 8250: update rs485 flags with polarity settings
Report the only mode we can support with the 16C850.
Signed-off-by: Wolfram Sang <w.sang@...gutronix.de>
---
drivers/tty/serial/8250.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c
index 28b3608..8cf6d76 100644
--- a/drivers/tty/serial/8250.c
+++ b/drivers/tty/serial/8250.c
@@ -2750,6 +2750,9 @@ static int serial8250_ioctl_port(struct uart_port *port,
serial_outp(up, UART_LCR, lcr);
spin_unlock_irqrestore(&up->port.lock, flags);
+ /* only mode supported by the 16C850 */
+ rs485ctrl.flags &= ~SER_RS485_RTS_ON_SEND;
+ rs485ctrl.flags |= SER_RS485_RTS_AFTER_SEND;
up->rs485_flags = rs485ctrl.flags;
return 0;
--
1.7.7.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists