linux-kernel - [PATCH 18/25] serial: two branches the same in timbuart_set

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Message-Id: <1274460714-11277-18-git-send-email-gregkh@suse.de>
Date:	Fri, 21 May 2010 09:51:47 -0700
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	Roel Kluin <roel.kluin@...il.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 18/25] serial: two branches the same in timbuart_set_mctrl()

From: Roel Kluin <roel.kluin@...il.com>

CTS is a read only bit and we are to stop signal RTS if modem line
TIOCM_RTS is not set.

Thanks for suggestions by Richard Röjfors.

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
Acked-by: Richard Röjfors <richard.rojfors@...agicore.com>
Cc: Alan Cox <alan@...rguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/serial/timbuart.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/serial/timbuart.c b/drivers/serial/timbuart.c
index 786ba85..62f389f 100644
--- a/drivers/serial/timbuart.c
+++ b/drivers/serial/timbuart.c
@@ -220,7 +220,7 @@ static void timbuart_set_mctrl(struct uart_port *port, unsigned int mctrl)
 	if (mctrl & TIOCM_RTS)
 		iowrite8(TIMBUART_CTRL_RTS, port->membase + TIMBUART_CTRL);
 	else
-		iowrite8(TIMBUART_CTRL_RTS, port->membase + TIMBUART_CTRL);
+		iowrite8(0, port->membase + TIMBUART_CTRL);
 }
 
 static void timbuart_mctrl_check(struct uart_port *port, u32 isr, u32 *ier)
-- 
1.7.0.3

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