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All the CPU's in Tegra241 implement the ARM Activity Monitor Unit (AMU). On reading the sysfs node, the frequency value is re-constructed using AMU counters. Sanjay Chandrashekara (1): cpufreq: use correct unit when verify cur freq Sumit Gupta (5): cpufreq: CPPC: make workaround apply code generic irqchip/gicv3: Export arm_smccc_get_soc_id_xx funcs cpufreq: CPPC: update sampling window for Tegra241 arm64: cpufeature: Export get_cpu_with_amu_feat func cpufreq: CPPC: use wq to read amu counters on target cpu arch/arm64/kernel/cpufeature.c | 1 + drivers/cpufreq/cppc_cpufreq.c | 99 +++++++++++++++++++++++++++++----- drivers/cpufreq/cpufreq.c | 2 +- drivers/firmware/smccc/smccc.c | 2 + 4 files changed, 89 insertions(+), 15 deletions(-)