On Fri, Dec 09, 2016 at 10:31:58AM +0100, Jan Glauber wrote:
> It was reported that ipmi_ssif fails to create the
> ipmi device on some systems if the adapter class is not containing
> I2C_CLASS_HWMON. Fix it by setting the class.
> 
> Reported-by: Vadim Lomovtsev <Vadim.Lomovtsev@caviumnetworks.com>
> Signed-off-by: Jan Glauber <jglauber@cavium.com>

The intention of adapter classes is to *limit* probing to a certain
class of devices. If a class is needed to *enable* probing, then
something there looks wrong. From the details given, this must be solved
elsewhere I'd say.