Re: RFC: Leave sysfs nodes alone during hotplug

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Viresh Kumar wrote:
> On 8 July 2014 04:10, Todd Poynor <toddpoynor@xxxxxxxxxx> wrote:
>> For Android's usage we're also interested in both:
>> 1. not removing and recreating the cpufreq sysfs files for a CPU on
>> hotplug events (we currently use hotplug uevents to reset file
>> ownership such that power policy can be controlled by non-root).
>> 2. not resetting the contents of policy files such as scaling_max_freq
>> (also fixed up from uevents) or stats files (we currently keep a
>> separate persistent time_in_state for battery accounting purposes).
> So, we actually need to retain all the files. I will try to see this
> separately. Will add it in my todo list.

Looks like there's enough interest. I'll also try to send out a patch of
what I think a simplified CPUfreq should look like.


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