menuconfig RT_USING_BLK bool "Using Block device drivers" default n help Enable the generic block-device infrastructure so storage controllers can register disks/partitions and the RT-Thread DFS layer can mount them. Almost every filesystem, SDIO, SATA or NAND driver depends on this. Turn it off only on firmware builds that never interact with block media. if RT_USING_BLK rsource "partitions/Kconfig" endif