Re: [PATCH v2] cpufreq: check only freq_table in __resolve_freq()

[Lukasz Luba]

On 8/23/22 19:02, Rafael J. Wysocki wrote:
> On Tue, Aug 16, 2022 at 2:02 PM Lukasz Luba <lukasz.luba@xxxxxxx> wrote:
> > There is no need to check if the cpufreq driver implements callback
> > cpufreq_driver::target_index. The logic in the __resolve_freq uses
> > the frequency table available in the policy. It doesn't matter if the
> > driver provides 'target_index' or 'target' callback. It just has to
> > populate the 'policy->freq_table'.
> >
> > Thus, check only frequency table during the frequency resolving call.
> >
> > Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> > Signed-off-by: Lukasz Luba <lukasz.luba@xxxxxxx>
> > ---
> > Changes:
> > v2:
> > - collected ACK from Viresh
> > - corrected patch description (Viresh)
> >
> >
> >   drivers/cpufreq/cpufreq.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
> > index 7820c4e74289..69b3d61852ac 100644
> > --- a/drivers/cpufreq/cpufreq.c
> > +++ b/drivers/cpufreq/cpufreq.c
> > @@ -532,7 +532,7 @@ static unsigned int __resolve_freq(struct cpufreq_policy *policy,
> >
> >          target_freq = clamp_val(target_freq, policy->min, policy->max);
> >
> > -       if (!cpufreq_driver->target_index)
> > +       if (!policy->freq_table)
> >                  return target_freq;
> >
> >          idx = cpufreq_frequency_table_target(policy, target_freq, relation);
> > --
>
> Applied as 6.0-rc material, thanks!

Thanks Rafael!