reboot: arm: prepare reboot_mode for moving to generic kernel code
Prepare for the moving the parsing of reboot= to the generic kernel code
by making reboot_mode into a more generic form.
Signed-off-by: Robin Holt <holt@sgi.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Russ Anderson <rja@sgi.com>
Cc: Robin Holt <holt@sgi.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index 75bf079..fdf62b4 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -11,6 +11,7 @@
#include <linux/types.h>
#ifndef __ASSEMBLY__
+#include <linux/reboot.h>
struct tag;
struct meminfo;
@@ -43,7 +44,7 @@
unsigned char reserve_lp0 :1; /* never has lp0 */
unsigned char reserve_lp1 :1; /* never has lp1 */
unsigned char reserve_lp2 :1; /* never has lp2 */
- char restart_mode; /* default restart mode */
+ enum reboot_mode reboot_mode; /* default restart mode */
struct smp_operations *smp; /* SMP operations */
bool (*smp_init)(void);
void (*fixup)(struct tag *, char **,
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 7f1efcd..2d54406 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -175,14 +175,14 @@
default_idle();
}
-static char reboot_mode = 'h';
+enum reboot_mode reboot_mode = REBOOT_HARD;
-int __init reboot_setup(char *str)
+static int __init reboot_setup(char *str)
{
- reboot_mode = str[0];
+ if ('s' == str[0])
+ reboot_mode = REBOOT_SOFT;
return 1;
}
-
__setup("reboot=", reboot_setup);
/*
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 9b65327..63af9a7 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -74,7 +74,7 @@
extern void paging_init(struct machine_desc *desc);
extern void sanity_check_meminfo(void);
-extern void reboot_setup(char *str);
+extern enum reboot_mode reboot_mode;
extern void setup_dma_zone(struct machine_desc *desc);
unsigned int processor_id;
@@ -861,8 +861,8 @@
setup_dma_zone(mdesc);
- if (mdesc->restart_mode)
- reboot_setup(&mdesc->restart_mode);
+ if (mdesc->reboot_mode != REBOOT_HARD)
+ reboot_mode = mdesc->reboot_mode;
init_mm.start_code = (unsigned long) _text;
init_mm.end_code = (unsigned long) _etext;
diff --git a/arch/arm/mach-footbridge/cats-hw.c b/arch/arm/mach-footbridge/cats-hw.c
index 6987a09..9669cc0 100644
--- a/arch/arm/mach-footbridge/cats-hw.c
+++ b/arch/arm/mach-footbridge/cats-hw.c
@@ -86,7 +86,7 @@
MACHINE_START(CATS, "Chalice-CATS")
/* Maintainer: Philip Blundell */
.atag_offset = 0x100,
- .restart_mode = 's',
+ .reboot_mode = REBOOT_SOFT,
.fixup = fixup_cats,
.map_io = footbridge_map_io,
.init_irq = footbridge_init_irq,