From 789d52589a0849004ced991549a61dd110dfeb10 Mon Sep 17 00:00:00 2001
From: Sascha Hauer <sascha@saschahauer.de>
Date: Thu, 17 Apr 2008 08:44:47 +0100
Subject: [PATCH] [ARM] 4996/1: <IMX UART>: do not enable tx empty interrupt on
 startup

We are not interested in tranceiver empty interrupts until we actually
sent a buffer.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 drivers/serial/imx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index f7596641f12..dd1e071834b 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -536,7 +536,7 @@ static int imx_startup(struct uart_port *port)
 	writel(USR1_RTSD, sport->port.membase + USR1);
 
 	temp = readl(sport->port.membase + UCR1);
-	temp |= (UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN);
+	temp |= UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN;
 	writel(temp, sport->port.membase + UCR1);
 
 	temp = readl(sport->port.membase + UCR2);