Alcor Micro/Alcor Link SD/MMC controller

modulename: alcor.ko

configname: CONFIG_MMC_ALCOR

Linux Kernel Configuration
└─>Device Drivers
└─>MMC/SD/SDIO card support
└─>Alcor Micro/Alcor Link SD/MMC controller
In linux kernel since version 5 (release Date: 2019-03-03)  
Say Y here to include driver code to support SD/MMC card interface
of Alcor Micro PCI-E card reader

source code:
drivers/mmc/host/alcor.c