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-20230911] [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/20230911023038.30649-5-yong.wu%40mediatek.com patch subject: [PATCH 4/9] dma-buf: heaps: Initialise MediaTek secure heap config: openrisc-allmodconfig (https://download.01.org/0day-ci/archive/20230911/202309111534.u4wfJ4vk-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230911/202309111534.u4wfJ4vk-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/202309111534.u4wfJ4vk-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/dma-buf/heaps/mtk_secure_heap.c:68:27: error: initialization of 'struct dma_buf * (*)(struct dma_heap *, long unsigned int, long unsigned int, long unsigned int)' from incompatible pointer type 'struct dma_buf * (*)(struct dma_heap *, size_t, long unsigned int, long unsigned int)' {aka 'struct dma_buf * (*)(struct dma_heap *, unsigned int, long unsigned int, long unsigned int)'} [-Werror=incompatible-pointer-types] 68 | .allocate = mtk_sec_heap_allocate, | ^~~~~~~~~~~~~~~~~~~~~ drivers/dma-buf/heaps/mtk_secure_heap.c:68:27: note: (near initialization for 'mtk_sec_heap_ops.allocate') cc1: some warnings being treated as errors vim +68 drivers/dma-buf/heaps/mtk_secure_heap.c 66 67 static const struct dma_heap_ops mtk_sec_heap_ops = { > 68 .allocate = mtk_sec_heap_allocate, 69 }; 70 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki