From: Pat Gefre <pfg@sgi.com>
2.6 Altix console patch to ignore input during early booting
Signed-off-by: Patrick Gefre <pfg@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/drivers/serial/sn_console.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff -puN drivers/serial/sn_console.c~altix-ignore-input-during-early-boot drivers/serial/sn_console.c
--- 25/drivers/serial/sn_console.c~altix-ignore-input-during-early-boot Thu Feb 17 17:23:03 2005
+++ 25-akpm/drivers/serial/sn_console.c Thu Feb 17 17:23:03 2005
@@ -6,7 +6,7 @@
* driver for that.
*
*
- * Copyright (c) 2004 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2004-2005 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License
@@ -104,6 +104,7 @@ struct sn_cons_port {
};
static struct sn_cons_port sal_console_port;
+static int sn_process_input;
/* Only used if USE_DYNAMIC_MINOR is set to 1 */
static struct miscdevice misc; /* used with misc_register for dynamic */
@@ -681,7 +682,8 @@ static void sn_sal_timer_poll(unsigned l
if (!port->sc_port.irq) {
spin_lock_irqsave(&port->sc_port.lock, flags);
- sn_receive_chars(port, NULL, flags);
+ if (sn_process_input)
+ sn_receive_chars(port, NULL, flags);
sn_transmit_chars(port, TRANSMIT_RAW);
spin_unlock_irqrestore(&port->sc_port.lock, flags);
mod_timer(&port->sc_timer,
@@ -878,6 +880,7 @@ static int __init sn_sal_module_init(voi
if (!IS_RUNNING_ON_SIMULATOR()) {
sn_sal_switch_to_interrupts(&sal_console_port);
}
+ sn_process_input = 1;
return 0;
}
_