CONFIG_UCC_FAST (not configurable)

modulename: ucc_fast.ko

configname: CONFIG_UCC_FAST

Linux Kernel Configuration
└─>Device Drivers
└─>SOC (System On Chip) specific Drivers
└─>NXP/Freescale QorIQ SoC drivers
└─>UCC_FAST
In linux kernel since version 2.6.19 (release Date: 2006-11-29)  
This option provides qe_lib support to UCC fast
protocols: HDLC, Ethernet, ATM, transparent

source code:
drivers/soc/fsl/qe/ucc_fast.c