i2c: mux: provide more info on failure in i2c_mux_add_adapter

No callers then need to report any further info, thus reducing both the
amount of code and the log noise.

Reviewed-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Peter Rosin <peda@axentia.se>
This commit is contained in:
Peter Rosin 2017-04-03 09:28:43 +02:00
commit 8d4d159f25