Hi Herve, I love your patch! Yet something to improve: [auto build test ERROR on broonie-sound/for-next] [also build test ERROR on robh/for-next powerpc/next powerpc/fixes linus/master v6.2-rc8 next-20230215] [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/Herve-Codina/dt-bindings-soc-fsl-cpm_qe-Add-TSA-controller/20230128-152424 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next patch link: https://lore.kernel.org/r/20230126083222.374243-7-herve.codina%40bootlin.com patch subject: [PATCH v4 06/10] soc: fsl: cmp1: Add support for QMC config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20230215/202302152037.NXHi2aFY-lkp@xxxxxxxxx/config) 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/20ec2eacb76ca7252aa2934f53357663652edd0f git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Herve-Codina/dt-bindings-soc-fsl-cpm_qe-Add-TSA-controller/20230128-152424 git checkout 20ec2eacb76ca7252aa2934f53357663652edd0f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig COMPILER_INSTALL_PATH=$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 <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202302152037.NXHi2aFY-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): powerpc-linux-ld: drivers/soc/fsl/qe/qmc.o: in function `qmc_probe': >> qmc.c:(.text.qmc_probe+0xd8): undefined reference to `get_immrbase' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests