linux-kernel - Re: [PATCH v3 6/7] cpufreq: amd-pstate: remove legacy set

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Date: Wed, 07 Feb 2024 11:10:52 +0100
From: Oleksandr Natalenko <oleksandr@...alenko.name>
To: rafael.j.wysocki@...el.com, Mario.Limonciello@....com,
 viresh.kumar@...aro.org, Ray.Huang@....com, gautham.shenoy@....com,
 Borislav.Petkov@....com, Perry Yuan <perry.yuan@....com>
Cc: Alexander.Deucher@....com, Xinmei.Huang@....com, Xiaojian.Du@....com,
 Li.Meng@....com, linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject:
 Re: [PATCH v3 6/7] cpufreq: amd-pstate: remove legacy set_boost callback for
 passive mode

Hello.

On středa 7. února 2024 10:21:57 CET Perry Yuan wrote:
> With new freqency boost interface supported, legacy boost control
> doesn't make sense any more which only support passive mode.
> so it can remove the legacy set_boost interface from amd-pstate driver
> in case of there is conflict with new boost control logic.
> 
> Signed-off-by: Perry Yuan <perry.yuan@....com>
> ---
>  drivers/cpufreq/amd-pstate.c | 1 -
>  include/linux/amd-pstate.h   | 1 -
>  2 files changed, 2 deletions(-)
> 
> diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
> index 35791efc6e88..1dd523db3871 100644
> --- a/drivers/cpufreq/amd-pstate.c
> +++ b/drivers/cpufreq/amd-pstate.c
> @@ -1675,7 +1675,6 @@ static struct cpufreq_driver amd_pstate_driver = {
>  	.exit		= amd_pstate_cpu_exit,
>  	.suspend	= amd_pstate_cpu_suspend,
>  	.resume		= amd_pstate_cpu_resume,
> -	.set_boost	= amd_pstate_set_boost,
>  	.update_limits	= amd_pstate_update_limits,
>  	.name		= "amd-pstate",
>  	.attr		= amd_pstate_attr,
> diff --git a/include/linux/amd-pstate.h b/include/linux/amd-pstate.h
> index 465e9295a60c..ab7ca26974da 100644
> --- a/include/linux/amd-pstate.h
> +++ b/include/linux/amd-pstate.h
> @@ -93,7 +93,6 @@ struct amd_cpudata {
>  	struct amd_aperf_mperf prev;
>  
>  	u64	freq;
> -	bool	boost_supported;

As a result of this removal the kernel-doc for this struct should be amended too because even after this patch is applied the `boost_supported` field remains documented.

>  	bool	hw_prefcore;
>  
>  	/* EPP feature related attributes*/
> 


-- 
Oleksandr Natalenko (post-factum)
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