Hi Rajat, Thank you for the patch! Yet something to improve: [auto build test ERROR on jic23-iio/togreg] [also build test ERROR on linus/master v6.0 next-20220930] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Rajat-Khandelwal/iio-pressure-mpl115-Implementing-low-power-mode-by-shutdown-gpio/20221003-014954 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: powerpc-allmodconfig compiler: powerpc-linux-gcc (GCC) 12.1.0 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/b4a0bfb42dd7b9204ae4ccafe5e2100fd190c2f2 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Rajat-Khandelwal/iio-pressure-mpl115-Implementing-low-power-mode-by-shutdown-gpio/20221003-014954 git checkout b4a0bfb42dd7b9204ae4ccafe5e2100fd190c2f2 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "mpl115_dev_pm_ops" [drivers/iio/pressure/mpl115_i2c.ko] undefined! >> ERROR: modpost: "mpl115_dev_pm_ops" [drivers/iio/pressure/mpl115_spi.ko] undefined! -- 0-DAY CI Kernel Test Service https://01.org/lkp