FPGA DFL EMIF Driver

modulename: dfl-emif.ko

configname: CONFIG_FPGA_DFL_EMIF

Linux Kernel Configuration
└─>Device Drivers
└─>Memory Controller drivers
└─>FPGA DFL EMIF Driver
In linux kernel since version 5.2 (release Date: 2019-07-07)  
This driver is for the EMIF private feature implemented under
FPGA Device Feature List (DFL) framework. It is used to expose
memory interface status information as well as memory clearing
control.

source code:
drivers/memory/dfl-emif.c