CONFIG_FW_ATTR_CLASS (not configurable)

modulename: firmware_attributes_class.ko

configname: CONFIG_FW_ATTR_CLASS

Linux Kernel Configuration
└─>Device Drivers
└─>X86 Platform Specific Device Drivers
└─>FW_ATTR_CLASS
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
source code:
drivers/platform/x86/firmware_attributes_class.c