CONFIG_HAVE_ARM_SMCCC (not configurable)

modulename: smccc-call.ko

configname: CONFIG_HAVE_ARM_SMCCC

Linux Kernel Configuration
└─>Firmware Drivers
└─>HAVE_ARM_SMCCC
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
arch/arm/kernel/