arm64: split counter validation function
In order for the counter validation function to be reused, split
validate_cpu_freq_invariance_counters() into:
- freq_counters_valid(cpu) - check cpu for valid cycle counters
- freq_inv_set_max_ratio(int cpu, u64 max_rate, u64 ref_rate) -
generic function that sets the normalization ratio used by
topology_scale_freq_tick()
Signed-off-by: Ionela Voinescu <ionela.voinescu@arm.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20201106125334.21570-3-ionela.voinescu@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
1 file changed