arch_scale_freq_ref
if (!amu_fie_cpu_supported(cpu) || !arch_scale_freq_ref(cpu))
freq = scale * arch_scale_freq_ref(cpu);
max_freq = arch_scale_freq_ref(cpu);
arch_scale_freq_ref(policy->cpu));
max_freq = arch_scale_freq_ref(cpu);
arch_scale_freq_ref(policy->cpu));
#ifndef arch_scale_freq_ref
unsigned int freq = arch_scale_freq_ref(policy->cpu);