CONFIG_CLKSRC_ACPI (not configurable)

configname: CONFIG_CLKSRC_ACPI

Linux Kernel Configuration
└─>Device Drivers
└─>Clock Source drivers
└─>CLKSRC_ACPI
In linux kernel since version 4.1 (release Date: 2015-06-21)  

depends
NOT CONFIG_ARCH_USES_GETTIMEOFFSET