linux-kernel - Re: [PATCH v1] cpufreq: Return current frequency when frequency table is unavailable

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Message-ID: <20250814093149.ob36l2gxo33snbac@vireshk-i7>
Date: Thu, 14 Aug 2025 15:01:49 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: Zihuan Zhang <zhangzihuan@...inos.cn>
Cc: "rafael J . wysocki" <rafael@...nel.org>,
	zhenglifeng <zhenglifeng1@...wei.com>, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] cpufreq: Return current frequency when frequency
 table is unavailable

On 14-08-25, 17:24, Zihuan Zhang wrote:
> I just feel that it might not be ideal to set a frequency when the frequency
> table is unavailable.
> 
> Perhaps adding a log or warning when the frequency table is missing could be
> a better approach.

There are a lot of drivers that don't provide a frequency table, i.e.
drivers with setpolicy() or target() callbacks. Only the
target_index() ones provide a freq table.

-- 
viresh