I'm guessing the "[POWERPC] i2c: OF helpers for the i2c API" http://git.kernel.org/?p=linux/kernel/git/paulus/powerpc.git;a=commitdiff;h=612212a3f2f053ea68ce9cd16d3deeca7754e8c9 is causing this build failure: http://kisskb.ellerman.id.au/kisskb/buildresult/24375/ - k