SPI_IOC_MAGIC 319 drivers/spi/spidev.c if (_IOC_TYPE(cmd) != SPI_IOC_MAGIC SPI_IOC_MAGIC 346 drivers/spi/spidev.c if (_IOC_TYPE(cmd) != SPI_IOC_MAGIC) SPI_IOC_MAGIC 542 drivers/spi/spidev.c if (_IOC_TYPE(cmd) == SPI_IOC_MAGIC SPI_IOC_MAGIC 122 include/uapi/linux/spi/spidev.h #define SPI_IOC_MESSAGE(N) _IOW(SPI_IOC_MAGIC, 0, char[SPI_MSGSIZE(N)]) SPI_IOC_MAGIC 126 include/uapi/linux/spi/spidev.h #define SPI_IOC_RD_MODE _IOR(SPI_IOC_MAGIC, 1, __u8) SPI_IOC_MAGIC 127 include/uapi/linux/spi/spidev.h #define SPI_IOC_WR_MODE _IOW(SPI_IOC_MAGIC, 1, __u8) SPI_IOC_MAGIC 130 include/uapi/linux/spi/spidev.h #define SPI_IOC_RD_LSB_FIRST _IOR(SPI_IOC_MAGIC, 2, __u8) SPI_IOC_MAGIC 131 include/uapi/linux/spi/spidev.h #define SPI_IOC_WR_LSB_FIRST _IOW(SPI_IOC_MAGIC, 2, __u8) SPI_IOC_MAGIC 134 include/uapi/linux/spi/spidev.h #define SPI_IOC_RD_BITS_PER_WORD _IOR(SPI_IOC_MAGIC, 3, __u8) SPI_IOC_MAGIC 135 include/uapi/linux/spi/spidev.h #define SPI_IOC_WR_BITS_PER_WORD _IOW(SPI_IOC_MAGIC, 3, __u8) SPI_IOC_MAGIC 138 include/uapi/linux/spi/spidev.h #define SPI_IOC_RD_MAX_SPEED_HZ _IOR(SPI_IOC_MAGIC, 4, __u32) SPI_IOC_MAGIC 139 include/uapi/linux/spi/spidev.h #define SPI_IOC_WR_MAX_SPEED_HZ _IOW(SPI_IOC_MAGIC, 4, __u32) SPI_IOC_MAGIC 142 include/uapi/linux/spi/spidev.h #define SPI_IOC_RD_MODE32 _IOR(SPI_IOC_MAGIC, 5, __u32) SPI_IOC_MAGIC 143 include/uapi/linux/spi/spidev.h #define SPI_IOC_WR_MODE32 _IOW(SPI_IOC_MAGIC, 5, __u32)