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From: Greg Kroah-Hartman on 21 May 2010 13:10
From: Roel Kluin <roel.kluin(a)gmail.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(a)gmail.com>
Acked-by: Richard Röjfors <richard.rojfors(a)pelagicore.com>
Cc: Alan Cox <alan(a)lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.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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