Anecdotally, everything I've seen (hardware drivers) has been in (MISRA) C or a subset of C++. Ironically, many of the alternatives require too much discipline

Anecdotally, everything I've seen (hardware drivers) has been in (MISRA) C or a subset of C++. Ironically, many of the alternatives require too much discipline to keep devs happy. MISRA C at least lets them pretend they're in their happy place.