Hi Keguang, kernel test robot noticed the following build errors: [auto build test ERROR on 668d33c9ff922c4590c58754ab064aaf53c387dd] url: https://github.com/intel-lab-lkp/linux/commits/Keguang-Zhang-via-B4-Relay/dt-bindings-dma-Add-Loongson-1-APB-DMA/20240726-212659 base: 668d33c9ff922c4590c58754ab064aaf53c387dd patch link: https://lore.kernel.org/r/20240726-loongson1-dma-v10-2-31bf095a6fa6%40gmail.com patch subject: [PATCH v10 2/2] dmaengine: Loongson1: Add Loongson-1 APB DMA driver config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240728/202407280250.YTVHsCYs-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240728/202407280250.YTVHsCYs-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/202407280250.YTVHsCYs-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/dma/loongson1-apb-dma.c:58:3: error: requested alignment must be 4294967296 bytes or smaller 58 | } __aligned(LS1X_DMA_LLI_ALIGNMENT); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler_attributes.h:33:56: note: expanded from macro '__aligned' 33 | #define __aligned(x) __attribute__((__aligned__(x))) | ^ ~ 1 error generated. vim +58 drivers/dma/loongson1-apb-dma.c 53 54 struct ls1x_dma_lli { 55 unsigned int hw[LS1X_DMADESC_SIZE]; 56 dma_addr_t phys; 57 struct list_head node; > 58 } __aligned(LS1X_DMA_LLI_ALIGNMENT); 59 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki