Re: [PATCH 0/2] Add exit_prepare callback to the cpufreq_driver interface.

From: Viresh Kumar
Date: Wed Mar 19 2014 - 01:04:19 EST


On 18 March 2014 17:46, Srivatsa S. Bhat
<srivatsa.bhat@xxxxxxxxxxxxxxxxxx> wrote:
> Agreed. As far as I understand, for ->target drivers, today we use GOV_STOP
> to stop managing the CPU going offline. And for ->setpolicy drivers, we will
> use this new callback to achieve the same goal.

So a better question would be: What's the purpose of ->stop() call for a policy?
Stop managing CPUs of that policy? Or even do something on CPUs of a policy
before CPUs are offlined?

Probably in the current solution Dirk is doing both these things..

And so I thought maybe its better not to restrict ->stop() to just
setpolicy() drivers.
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