From: Sonic Zhang <sonic.zhang@analog.com>
Date: Wed, 27 Oct 2010 08:16:49 +0000 (-0400)
Subject: serial: bfin_5xx: disable CON_PRINTBUFFER for consoles
X-Git-Tag: v3.0~2828^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6d9e44986891345636e2d6069c4ae1612b2337d4;p=platform%2Fkernel%2Flinux-amlogic.git

serial: bfin_5xx: disable CON_PRINTBUFFER for consoles

If we are using early serial, don't let the normal console rewind
the log buffer, since that causes things to be printed multiple times.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index a454e42..9655321 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -1324,6 +1324,14 @@ struct console __init *bfin_earlyserial_init(unsigned int port,
 	struct bfin_serial_port *uart;
 	struct ktermios t;
 
+#ifdef CONFIG_SERIAL_BFIN_CONSOLE
+	/*
+	 * If we are using early serial, don't let the normal console rewind
+	 * log buffer, since that causes things to be printed multiple times
+	 */
+	bfin_serial_console.flags &= ~CON_PRINTBUFFER;
+#endif
+
 	if (port == -1 || port >= nr_active_ports)
 		port = 0;
 	bfin_serial_init_ports();