Re: [PATCH 4/8] cpufreq: mediatek: Use auto-registration for energy model

[Lukasz Luba]

On 8/10/21 8:36 AM, Viresh Kumar wrote:
> Use the CPUFREQ_REGISTER_WITH_EM flag to allow cpufreq core to
> automatically register with the energy model.
>
> This allows removal of boiler plate code from the driver and fixes the
> unregistration part as well.
>
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> ---
>   drivers/cpufreq/mediatek-cpufreq.c | 5 ++---
>   1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
> index 87019d5a9547..4743f2e58b97 100644
> --- a/drivers/cpufreq/mediatek-cpufreq.c
> +++ b/drivers/cpufreq/mediatek-cpufreq.c
> @@ -448,8 +448,6 @@ static int mtk_cpufreq_init(struct cpufreq_policy *policy)
>   	policy->driver_data = info;
>   	policy->clk = info->cpu_clk;
>   
> -	dev_pm_opp_of_register_em(info->cpu_dev, policy->cpus);
> -
>   	return 0;
>   }
>   
> @@ -465,7 +463,8 @@ static int mtk_cpufreq_exit(struct cpufreq_policy *policy)
>   static struct cpufreq_driver mtk_cpufreq_driver = {
>   	.flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK |
>   		 CPUFREQ_HAVE_GOVERNOR_PER_POLICY |
> -		 CPUFREQ_IS_COOLING_DEV,
> +		 CPUFREQ_IS_COOLING_DEV |
> +		 CPUFREQ_REGISTER_WITH_EM,
>   	.verify = cpufreq_generic_frequency_table_verify,
>   	.target_index = mtk_cpufreq_set_target,
>   	.get = cpufreq_generic_get,

Reviewed-by: Lukasz Luba <lukasz.luba@xxxxxxx>