- fix lockup when switching from early console to real console
- make sysrq reliable
- fix panic, if sysrq is issued before console is opened

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---
 arch/mips/sgi-ip22/ip22-setup.c |   19 ---
 drivers/serial/ip22zilog.c      |  247 +++++++++++++++++----------------------
 include/asm-mips/system.h       |    2 -
 include/linux/serial_core.h     |    2 +-
 4 files changed, 107 insertions(+), 163 deletions(-)

diff --git a/arch/mips/sgi-ip22/ip22-setup.c b/arch/mips/sgi-ip22/ip22-setup.c
index 174f09e..5f389ee 100644
--- a/arch/mips/sgi-ip22/ip22-setup.c
+++ b/arch/mips/sgi-ip22/ip22-setup.c
@@ -31,25 +31,6 @@
 unsigned long sgi_gfxaddr;
 EXPORT_SYMBOL_GPL(sgi_gfxaddr);
 
-/*
- * Stop-A is originally a Sun thing that isn't standard on IP22 so to avoid
- * accidents it's disabled by default on IP22.
- *
- * FIXME: provide a mechanism to change the value of stop_a_enabled.
- */
-int stop_a_enabled;
-
-void ip22_do_break(void)
-{
-	if (!stop_a_enabled)
-		return;
-
-	printk("\n");
-	ArcEnterInteractiveMode();
-}
-
-EXPORT_SYMBOL(ip22_do_break);
-
 extern void ip22_be_init(void) __init;
 
 void __init plat_mem_setup(void)
diff --git a/drivers/serial/ip22zilog.c b/drivers/serial/ip22zilog.c
index f3257f7..9c95bc0 100644
--- a/drivers/serial/ip22zilog.c
+++ b/drivers/serial/ip22zilog.c
@@ -45,8 +45,6 @@
 
 #include "ip22zilog.h"
 
-void ip22_do_break(void);
-
 /*
  * On IP22 we need to delay after register accesses but we do not need to
  * flush writes.
@@ -81,12 +79,9 @@ struct uart_ip22zilog_port {
 #define IP22ZILOG_FLAG_REGS_HELD	0x00000040
 #define IP22ZILOG_FLAG_TX_STOPPED	0x00000080
 #define IP22ZILOG_FLAG_TX_ACTIVE	0x00000100
+#define IP22ZILOG_FLAG_RESET_DONE	0x00000200
 
-	unsigned int			cflag;
-
-	/* L1-A keyboard break state.  */
-	int				kbd_id;
-	int				l1_down;
+	unsigned int			tty_break;
 
 	unsigned char			parity_mask;
 	unsigned char			prev_status;
@@ -250,13 +245,26 ...
[ message continues ]

Acked-by: Ralf Baechle <ralf@linux-mips.org>

Several Indy users have reported the issues fixed by this patch so it's
2.6.24 material.

  Ralf
-

[ message continues ]