MMC_RSP_SPI_S2     64 include/linux/mmc/core.h #define MMC_RSP_SPI_R2	(MMC_RSP_SPI_S1|MMC_RSP_SPI_S2)
MMC_RSP_SPI_S2     67 include/linux/mmc/core.h #define MMC_RSP_SPI_R5	(MMC_RSP_SPI_S1|MMC_RSP_SPI_S2)
MMC_RSP_SPI_S2     71 include/linux/mmc/core.h 		(MMC_RSP_SPI_S1|MMC_RSP_SPI_BUSY|MMC_RSP_SPI_S2|MMC_RSP_SPI_B4))