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

[Zihuan Zhang]

在 2025/8/14 17:02, Viresh Kumar 写道:
> 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.

Haven’t yet.

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.