> > Also, the I2C tracing has first 'f' then 'a', that should be consistent,
> > too.
> 
> Flags first or address first?  Do you have a preference (for both)?

I'd say address first, yet no strong preference.

> > Can we have something like this for 'flags'?
> 
> There's a __print_flags() which should work.  One thing I'm concerned about
> there is how do we handle more flags being added - does that count as an ABI
> break if the printed format changes?

Not sure, I mean, this is debug output, no?

> SMBus flags are basically the same as I2C flags, right?

Basically, yes.

Thanks,

   Wolfram