Re: [PATCH v3 02/10] cpufreq: provide default frequency-invariance setter function

[Viresh Kumar]

On 27-07-17, 20:33, Dietmar Eggemann wrote:
> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
> index 9bf97a366029..04e2f7e4964e 100644
> --- a/drivers/cpufreq/cpufreq.c
> +++ b/drivers/cpufreq/cpufreq.c
> @@ -2404,6 +2404,17 @@ int cpufreq_boost_enabled(void)
>  EXPORT_SYMBOL_GPL(cpufreq_boost_enabled);
>  
>  /*********************************************************************
> + *               FREQUENCY INVARIANT ACCOUNTING SUPPORT              *
> + *********************************************************************/

We don't need another of these fancy headers :)

Just add below routine somewhere at the top, maybe before
cpufreq_generic_init().

> +
> +__weak void arch_set_freq_scale(struct cpumask *cpus,
> +				unsigned long cur_freq,
> +				unsigned long max_freq)
> +{
> +}
> +EXPORT_SYMBOL_GPL(arch_set_freq_scale);
> +
> +/*********************************************************************
>   *               REGISTER / UNREGISTER CPUFREQ DRIVER                *
>   *********************************************************************/
>  static enum cpuhp_state hp_online;
> diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
> index f10a9b3761cd..e38acc1a4d47 100644
> --- a/include/linux/cpufreq.h
> +++ b/include/linux/cpufreq.h
> @@ -899,6 +899,9 @@ static inline bool policy_has_boost_freq(struct cpufreq_policy *policy)
>  
>  extern unsigned int arch_freq_get_on_cpu(int cpu);
>  
> +extern void arch_set_freq_scale(struct cpumask *cpus, unsigned long cur_freq,
> +				unsigned long max_freq);
> +
>  /* the following are really really optional */
>  extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs;
>  extern struct freq_attr cpufreq_freq_attr_scaling_boost_freqs;
> -- 
> 2.11.0

-- 
viresh