On Thu, 31 Dec 2020 07:22:22 +0800, kernel test robot wrote: > Hi Timon, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on regulator/for-next] > [also build test ERROR on pinctrl-samsung/for-next krzk/for-next v5.11-rc1 next-20201223] > [cannot apply to robh/for-next] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch] > > url: https://github.com/0day-ci/linux/commits/Timon-Baetz/extcon-max8997-Add-C... > base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-next > config: arm-randconfig-r004-20201230 (attached as .config) > compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 3c0d36f977d9e012b245c796ddc8596ac3af659b) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install arm cross compiling tool for clang build > # apt-get install binutils-arm-linux-gnueabi > # https://github.com/0day-ci/linux/commit/3a597219bbfc1f9a0b65b9662b7b95bbb... > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review Timon-Baetz/extcon-max8997-Add-CHGINS-and-CHGRM-interrupt-handling/20201231-045812 > git checkout 3a597219bbfc1f9a0b65b9662b7b95bbb7cf728f > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp(a)intel.com&gt; > > All errors (new ones prefixed by >>): > > >> drivers/power/supply/max8997_charger.c:261:9: error: implicit declaration of function 'devm_extcon_register_notifier_all' [-Werror,-Wimplicit-function-declaration] > ret = devm_extcon_register_notifier_all(&pdev->dev, charger->edev, > ^ > drivers/power/supply/max8997_charger.c:261:9: note: did you mean 'devm_extcon_register_notifier'? > include/linux/extcon.h:263:19: note: 'devm_extcon_register_notifier' declared here > static inline int devm_extcon_register_notifier(struct device *dev, > ^ > 1 error generated. This is failing because CONFIG_EXTCON is not set and *_all() don't have stub implementations in extcon.h. Should I add a fix for it in this series?