linux-kernel - Re: [PATCH 2/2] cpufreq: CPPC: Fix error handling in cppc_scale_freq

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Message-ID: <4955be6b-9806-4f73-8618-1d8de7d3a9dc@web.de>
Date: Wed, 30 Jul 2025 20:38:10 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: Jie Zhan <zhanjie9@...ilicon.com>, linux-pm@...r.kernel.org,
 "Rafael J. Wysocki" <rafael@...nel.org>,
 Viresh Kumar <viresh.kumar@...aro.org>
Cc: LKML <linux-kernel@...r.kernel.org>, linuxarm@...wei.com,
 Beata Michalska <beata.michalska@....com>, Bowen Yu <yubowen8@...wei.com>,
 Huisong Li <lihuisong@...wei.com>, Ionela Voinescu
 <ionela.voinescu@....com>, Jonathan Cameron <Jonathan.Cameron@...wei.com>,
 Lifeng Zheng <zhenglifeng1@...wei.com>, Prashant Malani <pmalani@...gle.com>
Subject: Re: [PATCH 2/2] cpufreq: CPPC: Fix error handling in
 cppc_scale_freq_workfn()

> Perf counters could be 0 if the cpu is in a low-power idle state. Just try
> it again next time and update the frequency scale when the cpu is active
> and perf counters successfully return.
> 
> Also, remove the FIE source on an actual failure.

How do you think about to add any tags (like “Fixes” and “Cc”) accordingly?
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.16#n145

Regards,
Markus