DW_SPI_GET_BYTE
out[i] = DW_SPI_GET_BYTE(op->cmd.opcode, op->cmd.nbytes - i - 1);
out[i] = DW_SPI_GET_BYTE(op->addr.val, op->addr.nbytes - j - 1);
DW_SPI_GET_BYTE(dws->ver, 3), DW_SPI_GET_BYTE(dws->ver, 2),
DW_SPI_GET_BYTE(dws->ver, 1));