Re: [PATCH 2/2] i2c: Add message transfer tracepoints for SMBUS

David Howells
2014-02-27T13:20:14Z

Wolfram Sang <wsa@the-dreams.de> wrote:

> Although SMBus has no 10-bit addresses, we probably should also use %03x
> there for consistency reasons?

Done.

> 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)?

> 'flags' should be %04x again

Done.

> and I'd prefer %*ph (or %*phD) for the buffer.

Again, I'm not so certain.

> 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?

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

David