RFC: Leave sysfs nodes alone during hotplug

[Viresh Kumar]

On 8 July 2014 04:10, Todd Poynor <toddpoynor at google.com> 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.