linux-kernel - Re: [PATCH] serial: Two branches the same in timbuart_set

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Date:	Mon, 15 Mar 2010 14:57:16 +0100
From:	Roel Kluin <roel.kluin@...il.com>
To:	Richard Röjfors <richard.rojfors@...agicore.com>
CC:	linux-serial@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [PATCH] serial: Two branches the same in timbuart_set_mctrl()

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.

Acked-by: Richard Röjfors <richard.rojfors@...agicore.com>
Signed-off-by: Roel Kluin <roel.kluin@...il.com>
---
diff --git a/drivers/serial/timbuart.c b/drivers/serial/timbuart.c
index 7bf1026..823b9c5 100644
--- a/drivers/serial/timbuart.c
+++ b/drivers/serial/timbuart.c
@@ -219,7 +219,7 @@ 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)
--
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