Messages in this thread | | | Date | Tue, 19 Sep 2017 11:39:17 -0700 | From | Viresh Kumar <> | Subject | Re: [PATCH v4 02/10] cpufreq: provide default frequency-invariance setter function |
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On 25-08-17, 15:31, Dietmar Eggemann wrote: > Frequency-invariant accounting support based on the ratio of current > frequency and maximum supported frequency is an optional feature an arch > can implement. > > Since there are cpufreq drivers (e.g. cpufreq-dt) which can be build for > different arch's a default implementation of the frequency-invariance > setter function arch_set_freq_scale() is needed. > > This default implementation is an empty weak function which will be > overwritten by a strong function in case the arch provides one. > > The setter function passes the cpumask of related (to the frequency > change) cpus (online and offline cpus), the (new) current frequency and > the maximum supported frequency. > > Cc: Rafael J. Wysocki <rjw@rjwysocki.net> > Cc: Viresh Kumar <viresh.kumar@linaro.org> > Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com> > --- > drivers/cpufreq/cpufreq.c | 6 ++++++ > include/linux/cpufreq.h | 3 +++ > 2 files changed, 9 insertions(+)
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
-- viresh
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