On 20.11.2018 3:49, Stephen Rothwell wrote: > Hi all, > > After merging the regulator tree, today's linux-next build (x86_64 > allmodconfig) failed like this: > > ERROR: "regulator_lock" [drivers/regulator/wm8350-regulator.ko] undefined! > ERROR: "regulator_unlock" [drivers/regulator/wm8350-regulator.ko] undefined! > ERROR: "regulator_unlock" [drivers/regulator/da9210-regulator.ko] undefined! > ERROR: "regulator_lock" [drivers/regulator/da9210-regulator.ko] undefined! > > Caused by commit > > f8702f9e4aa7 ("regulator: core: Use ww_mutex for regulators locking") > > I have used the regulator tree from next-20181119 for today. > My bad, forgot to export these functions. That's the same issue that was reporter by the build robot earlier. Will send the fix, sorry for the inconvenience.