Re: [PATCH v2 05/11] ARM: topology: use new cpu_power interface

[Preeti U Murthy]

Hi Vincent,

Why do we have two interfaces arch_scale_freq_power() and
arch_scale_cpu_power()? Does it make sense to consolidate them now ?

Regards
Preeti U Murthy


On 05/23/2014 09:22 PM, Vincent Guittot wrote:
> Use the new arch_scale_cpu_power in order to reflect the original capacity of
> a CPU instead of arch_scale_freq_power which is more linked to a scaling of
> the capacity linked to the frequency.
> 
> Signed-off-by: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
> ---
>  arch/arm/kernel/topology.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
> index 71e1fec..6cc25a8 100644
> --- a/arch/arm/kernel/topology.c
> +++ b/arch/arm/kernel/topology.c
> @@ -42,7 +42,7 @@
>   */
>  static DEFINE_PER_CPU(unsigned long, cpu_scale);
> 
> -unsigned long arch_scale_freq_power(struct sched_domain *sd, int cpu)
> +unsigned long arch_scale_cpu_power(struct sched_domain *sd, int cpu)
>  {
>  	return per_cpu(cpu_scale, cpu);
>  }
> @@ -166,7 +166,7 @@ static void update_cpu_power(unsigned int cpu)
>  	set_power_scale(cpu, cpu_capacity(cpu) / middle_capacity);
> 
>  	printk(KERN_INFO "CPU%u: update cpu_power %lu\n",
> -		cpu, arch_scale_freq_power(NULL, cpu));
> +		cpu, arch_scale_cpu_power(NULL, cpu));
>  }
> 
>  #else
> 

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