Re: [PATCH 0/2] cpufreq/opp: rework regulator initialization

[Sudeep Holla]

On Thu, Feb 07, 2019 at 01:22:25PM +0100, Marek Szyprowski wrote:
> Dear All,
>
> This is a scenario that triggers the above issue:
>

[...]

> 1. system disables non-boot cpu's at the end of system suspend procedure,
> 2. this in turn deinitializes cpufreq drivers for the disabled cpus,
> 3. early in the system resume procedure all cpus are got back to online
>    state,
> 4. this in turn causes cpufreq to be initialized for the newly onlined
>    cpus,
> 5. cpufreq-dt acquires all its resources (clocks, regulators) during
>    ->init() callback,

This is strictly not just restricted to cpufreq-dt, but to any driver
supporting multiple policies. So we need a generic fix not just
cpufreq-dt specific.

--
Regards,
Sudeep