linux-kernel - Re: [PATCH v6 2/9] ACPI: CPPC: Clean up cppc_perf_caps and cppc_perf

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Message-ID: <04a81749-54b9-485b-84a2-4b9805f194a9@huawei.com>
Date: Thu, 22 Jan 2026 16:28:28 +0800
From: "zhenglifeng (A)" <zhenglifeng1@...wei.com>
To: Sumit Gupta <sumitg@...dia.com>
CC: <rafael@...nel.org>, <viresh.kumar@...aro.org>, <pierre.gondois@....com>,
	<ionela.voinescu@....com>, <lenb@...nel.org>, <robert.moore@...el.com>,
	<corbet@....net>, <rdunlap@...radead.org>, <ray.huang@....com>,
	<gautham.shenoy@....com>, <mario.limonciello@....com>, <perry.yuan@....com>,
	<zhanjie9@...ilicon.com>, <linux-pm@...r.kernel.org>,
	<linux-acpi@...r.kernel.org>, <linux-doc@...r.kernel.org>,
	<acpica-devel@...ts.linux.dev>, <linux-kernel@...r.kernel.org>,
	<linux-tegra@...r.kernel.org>, <treding@...dia.com>, <jonathanh@...dia.com>,
	<vsethi@...dia.com>, <ksitaraman@...dia.com>, <sanjayc@...dia.com>,
	<nhartman@...dia.com>, <bbasu@...dia.com>
Subject: Re: [PATCH v6 2/9] ACPI: CPPC: Clean up cppc_perf_caps and
 cppc_perf_ctrls structs

On 2026/1/20 22:56, Sumit Gupta wrote:
> - Remove redundant energy_perf field from 'struct cppc_perf_caps' as
>   the same is available in 'struct cppc_perf_ctrls' which is used.
> - Move the 'auto_sel' field from 'struct cppc_perf_caps' to
>   'struct cppc_perf_ctrls' as it represents a control register.
> 
> Reviewed-by: Pierre Gondois <pierre.gondois@....com>
> Signed-off-by: Sumit Gupta <sumitg@...dia.com>
> ---
>  include/acpi/cppc_acpi.h | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/include/acpi/cppc_acpi.h b/include/acpi/cppc_acpi.h
> index 4bcdcaf8bf2c..6573a759eb8d 100644
> --- a/include/acpi/cppc_acpi.h
> +++ b/include/acpi/cppc_acpi.h
> @@ -119,8 +119,6 @@ struct cppc_perf_caps {
>  	u32 lowest_nonlinear_perf;
>  	u32 lowest_freq;
>  	u32 nominal_freq;
> -	u32 energy_perf;
> -	bool auto_sel;
>  };
>  
>  struct cppc_perf_ctrls {
> @@ -128,6 +126,7 @@ struct cppc_perf_ctrls {
>  	u32 min_perf;
>  	u32 desired_perf;
>  	u32 energy_perf;
> +	bool auto_sel;
>  };
>  
>  struct cppc_perf_fb_ctrs {

Reviewed-by: Lifeng Zheng <zhenglifeng1@...wei.com>