commit 789d52589a0849004ced991549a61dd110dfeb10
author Sascha Hauer <sascha@saschahauer.de> Thu Apr 17 08:44:47 2008 +0100
committer Russell King <rmk+kernel@arm.linux.org.uk> Thu Apr 17 16:18:22 2008 +0100
tree 016d934319462e2301f7a8c8896f4b787dbaf3ad
parent 0d3c3938ff9855d8996db4083efd62e86b8987eb

[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

diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index f759664..dd1e071 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -536,7 +536,7 @@
 	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);