On Mon, Mar 14, 2016 at 10:28:10AM +0100, Wolfram Sang wrote:
> 
> > This doesn't work. I see a number of these WARN_ON()s trigger and I
> > think the reason is that i2c_init() always fails now. The cause seems to
> > be that i2c_init() calls i2c_add_driver(&dummy_driver), which will now
> > always fail, because is_register is set to true *after* that call. There
> > is no way I see I2C working at all after this patch.
> 
> Same conclusion here. Too much trust applied to the original patch, mea
> culpa and sorry! Will send the fixup (tested!) in a minute.

No worries. There's nothing like good old runtime testing for making
sure things really do work. =)

Thierry