Hi Bartosz, kernel test robot noticed the following build errors: [auto build test ERROR on robh/for-next] [also build test ERROR on arm64/for-next/core linus/master v6.5] [cannot apply to next-20230828] [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/Bartosz-Golaszewski/firmware-qcom-scm-drop-unneeded-extern-specifiers/20230829-032930 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20230828192507.117334-8-bartosz.golaszewski%40linaro.org patch subject: [PATCH 07/11] firmware: qcom-scm: use SHM bridge if available config: arm-defconfig (https://download.01.org/0day-ci/archive/20230829/202308291337.PSyslzRx-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230829/202308291337.PSyslzRx-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/202308291337.PSyslzRx-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: drivers/firmware/qcom_scm-smc.o: in function `__scm_smc_call': >> qcom_scm-smc.c:(.text+0x39c): undefined reference to `qcom_shm_bridge_free' >> arm-linux-gnueabi-ld: qcom_scm-smc.c:(.text+0x3f0): undefined reference to `qcom_shm_bridge_alloc' >> arm-linux-gnueabi-ld: qcom_scm-smc.c:(.text+0x53c): undefined reference to `qcom_shm_bridge_free' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki