Messages in this thread | | | Date | Thu, 18 Apr 2024 11:50:08 +0100 | From | Sudeep Holla <> | Subject | Re: [PATCH v5 1/5] arch_topology: init capacity_freq_ref to 0 |
| |
On Wed, Apr 17, 2024 at 10:38:44AM +0100, Beata Michalska wrote: > From: Ionela Voinescu <ionela.voinescu@arm.com> > > It's useful to have capacity_freq_ref initialized to 0 for users of > arch_scale_freq_ref() to detect when capacity_freq_ref was not > yet set. > > The only scenario affected by this change in the init value is when a > cpufreq driver is never loaded. As a result, the only setter of a > cpu scale factor remains the call of topology_normalize_cpu_scale() > from parse_dt_topology(). There we cannot use the value 0 of > capacity_freq_ref so we have to compensate for its uninitialized state. >
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
-- Regards, Sudeep
| |