On Thu, 23 Mar 2023, Geert Uytterhoeven wrote: > On Thu, Mar 23, 2023 at 9:39 AM Andreas Schwab wrote: > > On Mär 23 2023, Finn Thain wrote: > > > > > Checkpatch says "externs should be avoided in .c files" and if this one > > > appeared twice I would agree. But as it only appears once, I can't see > > > any advantage to putting it in a new .h file instead of the .c file... > > > > Anything wrong with declaring it in ? > > It's not meant for NuBus device drivers (at least in its current form). > So a drivers/nubus/nubus.h would be the most logical place. > I think Andreas is right inasmuchas the existing prototypes shared between drivers/nubus/nubus.c and drivers/nubus/proc.c are found there, and this extern is another one of those. But I take Geert's point that much of include/linux/nubus.h could be moved to drivers/nubus/something.h. But is there anything to be gained from splitting it up that way?