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 <[email protected]> > Cc: Viresh Kumar <[email protected]> > Signed-off-by: Dietmar Eggemann <[email protected]> > --- > drivers/cpufreq/cpufreq.c | 6 ++++++ > include/linux/cpufreq.h | 3 +++ > 2 files changed, 9 insertions(+)
Acked-by: Viresh Kumar <[email protected]> -- viresh

