When users want to get frequency by scaling_cur_freq under cpufreq sysfs,
they often get the invalid result like:
$ cat /sys/devices/system/cpu/cpu6/cpufreq/scaling_cur_freq
4294967295
So this series provides fixes to the concerned issue.
Zeng Heng (2):
cpufreq: CPPC: keep target core awake when reading its cpufreq rate
acpi: CPPC: read delivered_reg and reference_reg in critical section
drivers/acpi/cppc_acpi.c | 4 ++++
drivers/cpufreq/cppc_cpufreq.c | 30 ++++++++++++++++--------------
2 files changed, 20 insertions(+), 14 deletions(-)
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2.25.1