| Configuration | Enabled by default (yes/no) | Comments |
|---|---|---|
CONFIG_MMC | Yes | Enables MMC driver |
CONFIG_MMC_DEBUG | No | Enables driver debug messages |
CONFIG_MMC_SDHCI | Yes | Detects SDHCI driver |
CONFIG_MMC_CQHCI | Yes | Enables Command Queue Host Control Interface |
CONFIG_MMC_SDHCI_MSM | Yes | Enables MSM SDHCI driver |
CONFIG_MMC_BLOCK | Yes | Enables MMC block driver |
CONFIG_MMC_CRYPTO | Yes | Enables support for the MMC Crypto Engine |
Enable SDHCI using kernel configuration
The following table lists the default values of kernel configuration to enable SD card functionality.