linux MMC framework(2) - sdhci host driver
了解 sdhci host driver. 1.概述 The MultiMediaCard (MMC)/ Secure Digital (SD)/ Secure Digital Input Output (SDIO) host driver implements a standard Linux driver interface to the ultra MMC/SD host controller (microSDHC). The host driver is part of the Linux kernel MMC framework. 1.1.Kernel configuration You can manage the MMC driver support through the kernel configuration options: MMC/SD/SDIO (CONFIG_MMC) MMC block (CONFIG_MMC_BLOCK) Secure Digital Host Controller Interface support (CONFIG_MMC_SDHCI) SDHCI support on the platform-specific bus (CONFIG_MMC_SDHCI_PLTFM) 2.数据结构 2.1.struct sdhci_host