> > drivers/greybus/Kconfig | 1 + > > drivers/greybus/gb-beagleplay.c | 625 +++++++++++++++++++++++++++++++++++++++- > > +static u8 csum8(const u8 *data, size_t size, u8 base) > > +{ > > + size_t i; > > + u8 sum = base; > follow reverse x-mas tree Since this is not networking, even thought it was posted to the netdev list, this comment might not be correct. I had a quick look at some greybus code and reverse x-mas tree is not strictly used. Please see what the Graybus Maintainers say. Andrew