Hi Yong, kernel test robot noticed the following build errors: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on robh/for-next linus/master v6.6-rc1 next-20230914] [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/Yong-Wu/dma-buf-heaps-Deduplicate-docs-and-adopt-common-format/20230911-103308 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230911023038.30649-7-yong.wu%40mediatek.com patch subject: [PATCH 6/9] dma-buf: heaps: mtk_sec_heap: Add tee service call for buffer allocating/freeing config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20230914/202309141707.zdT0yuMT-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230914/202309141707.zdT0yuMT-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/202309141707.zdT0yuMT-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): loongarch64-linux-ld: drivers/dma-buf/heaps/mtk_secure_heap.o: in function `mtk_kree_secure_session_init': mtk_secure_heap.c:(.text+0x130): undefined reference to `tee_client_open_context' loongarch64-linux-ld: drivers/dma-buf/heaps/mtk_secure_heap.o: in function `.L10': mtk_secure_heap.c:(.text+0x19c): undefined reference to `tee_client_open_session' loongarch64-linux-ld: drivers/dma-buf/heaps/mtk_secure_heap.o: in function `.L12': mtk_secure_heap.c:(.text+0x1dc): undefined reference to `tee_client_close_context' loongarch64-linux-ld: drivers/dma-buf/heaps/mtk_secure_heap.o: in function `mtk_sec_mem_tee_service_call.constprop.0': >> mtk_secure_heap.c:(.text+0x274): undefined reference to `tee_client_invoke_func' loongarch64-linux-ld: drivers/dma-buf/heaps/mtk_secure_heap.o: in function `mtk_sec_mem_release.isra.0': mtk_secure_heap.c:(.text+0x464): undefined reference to `tee_client_invoke_func' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
