Kobject_uevent in cpufreq.c

[R, Durgadoss]

Hi,

I am observing an UEvent issue in cpufreq.c. 
The cpufreq_add_dev() function is called whenever a core is 'onlined'.
we expect the kobject_uevent() method in cpufreq_add_dev() to
send an UEvent with KOBJ_ADD as the action parameter.

But this call fails because of the 'filter function' inside kobject_uevent_env
inside lib/kobject_uevent.c. The ->filter points to 'dev_uevent_filter' in
drivers/base/core.c, where the check for 'device_ktype' fails.

Error message:
kobject: 'cpufreq' (e5bbf290): kobject_uevent_env:
filter function caused the event to drop!

As far as I can see, we need a kset, and associated filter function
inside cpufreq.c to get this working. Is this the right way to go ?
Any other easy/correct ways to get it working ? Please advise.

Thanks,
Durga
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