## MMC subsystem configuration#menuconfig MMC tristate "MMC/SD/SDIO card support" depends on HAS_IOMEM help This selects MultiMediaCard, Secure Digital and Secure Digital I/O support. If you want MMC/SD/SDIO support, you should say Y here and also to your specific host controller driver.config MMC_DEBUG bool "MMC debugging" depends on MMC != n help This is an option for use by developers; most people should say N here. This enables MMC core and driver debugging.if MMCconfig PXP_MMC boolean "PXP MMC compatible" default y help Say Y here if you hope pxp no response emmc unexpected status, in order to can operate emmc.source "drivers/mmc/core/Kconfig"source "drivers/mmc/card/Kconfig"source "drivers/mmc/host/Kconfig"endif # MMC