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

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Message-ID: <20250814090201.pdtvxqq3st65iooq@vireshk-i7>
Date: Thu, 14 Aug 2025 14:32:01 +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, 16:52, Zihuan Zhang wrote:
> In cases where the CPU frequency table (freq_table) is not available,
> the __resolve_freq() function will now return the current frequency
> (policy->cur) instead of the requested target frequency. This ensures
> that the system doesn't return an invalid or uninitialized frequency
> value when frequency scaling is not supported or not initialized.
> 
> This change improves the stability of the frequency scaling logic when
> the CPU frequency table is not populated, preventing errors related
> to unavailable frequency tables.

Is there a real problem you are facing ? Or a code that path can do
some harm ? I think this patch may end up breaking users.

-- 
viresh