__cpu_to_le32      33 include/uapi/linux/byteorder/big_endian.h #define __cpu_to_le32(x) ((__force __le32)__swab32((x)))
__cpu_to_le32      33 include/uapi/linux/byteorder/little_endian.h #define __cpu_to_le32(x) ((__force __le32)(__u32)(x))