Hi André, kernel test robot noticed the following build errors: [auto build test ERROR on 7083504315d64199a329de322fce989e1e10f4f7] url: https://github.com/intel-lab-lkp/linux/commits/Andr-Draszik/dt-bindings-regulator-add-max20339-binding/20240917-005024 base: 7083504315d64199a329de322fce989e1e10f4f7 patch link: https://lore.kernel.org/r/20240916-max20339-v1-2-b04ce8e8c471%40linaro.org patch subject: [PATCH 2/2] regulator: max20339: add Maxim MAX20339 regulator driver config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20240921/202409210200.Nl6uKIgj-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240921/202409210200.Nl6uKIgj-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202409210200.Nl6uKIgj-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ld: drivers/regulator/max20339-regulator.o: in function `max20339_lsw_set_ovp': >> max20339-regulator.c:(.text+0x406): undefined reference to `__ffsdi2' ld: drivers/regulator/max20339-regulator.o: in function `max20339_lsw_set_ocp': max20339-regulator.c:(.text+0x1041): undefined reference to `__ffsdi2' ld: drivers/regulator/max20339-regulator.o: in function `max20339_lsw_set_ocp.cold': >> max20339-regulator.c:(.text.unlikely+0x5e): undefined reference to `__ffsdi2' Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [y]: - RESOURCE_KUNIT_TEST [=y] && RUNTIME_TESTING_MENU [=y] && KUNIT [=y] WARNING: unmet direct dependencies detected for OMAP2PLUS_MBOX Depends on [n]: MAILBOX [=y] && (ARCH_OMAP2PLUS || ARCH_K3) Selected by [y]: - TI_K3_M4_REMOTEPROC [=y] && REMOTEPROC [=y] && (ARCH_K3 || COMPILE_TEST [=y]) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
