Messages in this thread Patch in this message | | | From | Robin Holt <> | Subject | [PATCH -v11 09/11] arm, prepare reboot_mode for moving to generic kernel code. | Date | Sat, 11 May 2013 09:19:16 -0500 |
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This patch prepares 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> To: Andrew Morton <akpm@linux-foundation.org> 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> Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org> Cc: the arch/x86 maintainers <x86@kernel.org> Cc: Arm Mailing List <linux-arm-kernel@lists.infradead.org> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Changes since -v10 - Uncommented an accidentally commented out line.
Changes since -v8 - Switched from using REBOOT_WARM/COLD to HARD/SOFT. --- arch/arm/include/asm/mach/arch.h | 3 ++- arch/arm/kernel/process.c | 8 ++++---- arch/arm/kernel/setup.c | 6 +++--- arch/arm/mach-footbridge/cats-hw.c | 2 +- 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 308ad7d..e2b551e 100644 --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -9,6 +9,7 @@ */ #ifndef __ASSEMBLY__ +#include <linux/reboot.h> struct tag; struct meminfo; @@ -39,7 +40,7 @@ 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 */ void (*fixup)(struct tag *, char **, struct meminfo *); diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index f219703..92b47df 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -174,14 +174,14 @@ 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); void machine_shutdown(void) diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 1522c7a..e05df42 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -73,7 +73,7 @@ __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; @@ -769,8 +769,8 @@ 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 6987a09..9669cc0 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, -- 1.8.2.1
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