linux-kernel - [PATCH] synclink_gt leave transmitter in reset state after configuration

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Message-Id: <1216304063.3842.11.camel@x2.microgate.com>
Date:	Thu, 17 Jul 2008 09:14:23 -0500
From:	Paul Fulghum <paulkf@...rogate.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] synclink_gt leave transmitter in reset state after
	configuration

Leave the transmitter in reset state after configuration
so that transmit signal is held at mark until transmitter
is explicitly enabled by application, otherwise transmitter
sends idle pattern.

Signed-off-by: Paul Fulghum <paulkf@...rogate.com>

--- a/drivers/char/synclink_gt.c	2008-07-17 08:39:06.000000000 -0500
+++ b/drivers/char/synclink_gt.c	2008-07-17 09:05:24.000000000 -0500
@@ -4157,7 +4157,7 @@ static void sync_mode(struct slgt_info *
 	 * 01      enable
 	 * 00      auto-CTS enable
 	 */
-	val = 0;
+	val = BIT2;
 
 	switch(info->params.mode) {
 	case MGSL_MODE_MONOSYNC: val |= BIT14 + BIT13; break;


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