[PATCH v1 1/2] PM / devfreq: mediatek: protect oop in critical session

Viresh Kumar viresh.kumar at linaro.org
Mon Sep 30 23:41:45 PDT 2024


On 01-10-24, 12:09, Viresh Kumar wrote:
> On 13-09-24, 18:39, Mark Tseng wrote:
> > mtk_ccifreq_target() & mtk_ccifreq_opp_notifier() is re-enter funtion
> > when cpufreq governor is more than one. It should add global mutex to
> > protect OPP , avoid get wrong frequency & voltage.
> 
> I am not sure I understood the problem well. Can you explain clearly
> why the current locking doesn't work with details call chain ?

Ended up replying to the wrong email. This comment is for patch 2/2.

-- 
viresh



More information about the linux-arm-kernel mailing list