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 (file)
--- 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();