Re: [PATCH -v10 09/11] arm, prepare reboot_mode for moving to generic kernel code.

From: H. Peter Anvin
Date: Sat May 11 2013 - 11:48:39 EST


By the way, do we really need Yoda programming here?

Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> wrote:

>On Sat, May 11, 2013 at 06:57:25AM -0500, Robin Holt wrote:
>> 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@xxxxxxx>
>> To: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
>> To: Russell King <linux@xxxxxxxxxxxxxxxx>
>> Cc: Russ Anderson <rja@xxxxxxx>
>> Cc: Robin Holt <holt@xxxxxxx>
>> Cc: H. Peter Anvin <hpa@xxxxxxxxx>
>> Cc: Guan Xuetao <gxt@xxxxxxxxxxxxxxx>
>> Cc: Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>
>> Cc: the arch/x86 maintainers <x86@xxxxxxxxxx>
>> Cc: Arm Mailing List <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>
>
>Almost-but-not-quite-Acked-by: Russell King
><rmk+kernel@xxxxxxxxxxxxxxxx> :)
>
>> 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;
>
>Remember we talked about the 'gpio' mode as well, so you also need here
>+ if ('g' == str[0])
> reboot_mode = REBOOT_GPIO;

--
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