[CPUFREQ] Warn when cpufreq_register_notifier called before pure initcalls
If cpufreq_register_notifier is called before pure initcalls, init_cpufreq_transition_notifier_list will overwrite whatever it did, causing notifiers to be ignored. Print some noise to the kernel log if that happens. Signed-off-by: NCesar Eduardo Barros <cesarb@cesarb.net> Signed-off-by: NDave Jones <davej@codemonkey.org.uk>
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