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reboot: arm: prepare reboot_mode for moving to generic kernel code

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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>
This commit is contained in:
Robin Holt 2013-07-08 16:01:39 -07:00 committed by Linus Torvalds
parent 5859194278
commit 16d6d5b00e
4 changed files with 10 additions and 9 deletions
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3
arch/arm/include/asm/mach/arch.h
View File

@ -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 **,

8
arch/arm/kernel/process.c
View File

@ -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);
/*

6
arch/arm/kernel/setup.c
View File

@ -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;

2
arch/arm/mach-footbridge/cats-hw.c
View File

@ -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,