Hi Kavyasree, Thank you for the patch! Yet something to improve: [auto build test ERROR on lee-mfd/for-mfd-next] [also build test ERROR on robh/for-next] [cannot apply to soc/for-next linus/master v5.18-rc5 next-20220505] [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/intel-lab-lkp/linux/commits/Kavyasree-Kotagiri/Add-support-for-lan966-flexcom-multiplexer/20220503-190011 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next config: i386-randconfig-a002 (https://download.01.org/0day-ci/archive/20220506/202205060409.Vpkpcw6T-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5e004fb787698440a387750db7f8028e7cb14cfc) 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 # https://github.com/intel-lab-lkp/linux/commit/f8c4bcef1d51c8668507ca53f7cad11e6ace1b2b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Kavyasree-Kotagiri/Add-support-for-lan966-flexcom-multiplexer/20220503-190011 git checkout f8c4bcef1d51c8668507ca53f7cad11e6ace1b2b # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: devm_mux_control_get >>> referenced by atmel-flexcom.c >>> mfd/atmel-flexcom.o:(atmel_flexcom_probe) in archive drivers/built-in.a -- >> ld.lld: error: undefined symbol: mux_control_select_delay >>> referenced by atmel-flexcom.c >>> mfd/atmel-flexcom.o:(atmel_flexcom_probe) in archive drivers/built-in.a -- >> ld.lld: error: undefined symbol: mux_control_deselect >>> referenced by atmel-flexcom.c >>> mfd/atmel-flexcom.o:(atmel_flexcom_probe) in archive drivers/built-in.a -- 0-DAY CI Kernel Test Service https://01.org/lkp
