Re: [PATCH 02/20] ARM64 : Add dummy asm/cpu.h

[Hanjun Guo]

On 2014-1-17 22:22, Sudeep Holla wrote:
> On 17/01/14 12:24, Hanjun Guo wrote:
>> ACPI requires a cpu.h, add a dummy one copied from arm. This will need
>> updated or replaced as ACPI based cpu hotplug or cpu topology for armv8
>> is worked out.
>>
>> Signed-off-by: Graeme Gregory <graeme.gregory@xxxxxxxxxx>
>> Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
>> ---
>>  arch/arm64/include/asm/cpu.h |   25 +++++++++++++++++++++++++
>>  1 file changed, 25 insertions(+)
>>  create mode 100644 arch/arm64/include/asm/cpu.h
>>
>> diff --git a/arch/arm64/include/asm/cpu.h b/arch/arm64/include/asm/cpu.h
>> new file mode 100644
>> index 0000000..8625eb1
>> --- /dev/null
>> +++ b/arch/arm64/include/asm/cpu.h
>> @@ -0,0 +1,25 @@
>> +/*
>> + *  Copyright (C) 2004-2005 ARM Ltd.
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License version 2 as
>> + * published by the Free Software Foundation.
>> + */
>> +#ifndef __ASM_ARM_CPU_H
>> +#define __ASM_ARM_CPU_H
>> +
>> +#include <linux/percpu.h>
>> +#include <linux/cpu.h>
>> +#include <linux/topology.h>
>> +
>> +struct cpuinfo_arm {
>> +	struct cpu	cpu;
>> +	u64		cpuid;
>> +#ifdef CONFIG_SMP
>> +	unsigned int	loops_per_jiffy;
> 
> IIUC we don't have loop-based delay support in ARM64.
> It's always timer based and in which case we don't need loops_per_jiffy

Ok, will remove it.

Thanks
Hanjun
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