From: Paul Fulghum <paulkf@microgate.com>
Date: Tue, 22 Jul 2008 10:22:04 +0000 (+0100)
Subject: synclink_gt: leave transmitter in reset state after configuration
X-Git-Tag: firefly_0821_release~19466
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=993456cdc853a52e1042ebf93fc6e1a12d1216f7;p=firefly-linux-kernel-4.4.55.git

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@microgate.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 8511e2e43c18..c8bc69c97d1a 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -4134,7 +4134,7 @@ static void sync_mode(struct slgt_info *info)
 	 * 01      enable
 	 * 00      auto-CTS enable
 	 */
-	val = 0;
+	val = BIT2;
 
 	switch(info->params.mode) {
 	case MGSL_MODE_MONOSYNC: val |= BIT14 + BIT13; break;