CONFIG_PCS_XPCS (not configurable)

modulename: pcs_xpcs.ko

configname: CONFIG_PCS_XPCS

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>PCS device drivers
└─>PCS_XPCS
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
This module provides helper functions for Synopsys DesignWare XPCS
controllers.

source code:
selects
CONFIG_PHYLINK


is depended by
CONFIG_STMMAC_ETH