… > +++ b/drivers/a2b/a2b.c > @@ -0,0 +1,1252 @@ … > +#define __a2b_bus_for_each_node(__bus, __node, __i) \ > + for (__i = 0; __i < A2B_MAX_NODES && (__node = __bus->nodes[__i]); i++) … I suggest to reconsider the usage of double underscores for identifiers. How do you think about to avoid that this software depends on undefined behaviour? https://wiki.sei.cmu.edu/confluence/display/c/DCL37-C.+Do+not+declare+or+define+a+reserved+identifier Regards, Markus