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authorRobin Holt <holt@sgi.com>2013-07-09 01:01:39 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-09 19:33:29 +0200
commit16d6d5b00ee75307bab7e4ede9452c97b28f30e2 (patch)
treed38e988a966758be0a3f75f88009de532904c68a
parentreboot: arm: remove unused restart_mode fields from some arm subarchs (diff)
downloadlinux-16d6d5b00ee75307bab7e4ede9452c97b28f30e2.tar.xz
linux-16d6d5b00ee75307bab7e4ede9452c97b28f30e2.zip
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>
-rw-r--r--arch/arm/include/asm/mach/arch.h3
-rw-r--r--arch/arm/kernel/process.c8
-rw-r--r--arch/arm/kernel/setup.c6
-rw-r--r--arch/arm/mach-footbridge/cats-hw.c2
4 files changed, 10 insertions, 9 deletions
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index 75bf07910b81..fdf62b4246b0 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 @@ struct machine_desc {
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 7f1efcd4a6e9..2d544062fd7d 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -175,14 +175,14 @@ void arch_cpu_idle(void)
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 9b653278c9e8..63af9a7ae512 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -74,7 +74,7 @@ __setup("fpe=", fpe_setup);
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 @@ void __init setup_arch(char **cmdline_p)
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 6987a09ec219..9669cc0b6318 100644
--- a/arch/arm/mach-footbridge/cats-hw.c
+++ b/arch/arm/mach-footbridge/cats-hw.c
@@ -86,7 +86,7 @@ fixup_cats(struct tag *tags, char **cmdline, struct meminfo *mi)
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,