tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 7c547c6bbe6b6a9cedf63d7cdadb2529404df633 commit: 11557c1ae4529f133483879b7ee00b7d8c653be7 [1474/1474] x86/cpu/zhaoxin: Encapsulate access to kh40000_dma_direct_ops within function config: x86_64-randconfig-123-20241118 (https://download.01.org/0day-ci/archive/20241118/202411180946.SYMUTUAQ-lkp@i...) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241118/202411180946.SYMUTUAQ-lkp@i...)

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@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202411180946.SYMUTUAQ-lkp@intel.com/

sparse warnings: (new ones prefixed by >>) arch/x86/kernel/zhaoxin_kh40000.c:33:15: sparse: sparse: symbol 'zhaoxin_patch_code' was not declared. Should it be static?

...

arch/x86/kernel/zhaoxin_kh40000.c:155:26: sparse: sparse: symbol 'kh40000_dma_direct_ops' was not declared. Should it be static?

arch/x86/kernel/zhaoxin_kh40000.c:325:26: sparse: sparse: symbol 'kh40000_dma_iommu_ops' was not declared. Should it be static?

vim +/kh40000_dma_direct_ops +155 arch/x86/kernel/zhaoxin_kh40000.c

4332dbb0718135 leoliu-oc 2024-05-13 154 4332dbb0718135 leoliu-oc 2024-05-13 @155 const struct dma_map_ops kh40000_dma_direct_ops = { 4332dbb0718135 leoliu-oc 2024-05-13 156 .flags = DMA_F_PCI_P2PDMA_SUPPORTED, 4332dbb0718135 leoliu-oc 2024-05-13 157 .alloc = kh40000_dma_direct_alloc, 4332dbb0718135 leoliu-oc 2024-05-13 158 .sync_sg_for_cpu = kh40000_dma_direct_sync_sg_for_cpu, 4332dbb0718135 leoliu-oc 2024-05-13 159 .unmap_page = kh40000_dma_direct_unmap_page, 4332dbb0718135 leoliu-oc 2024-05-13 160 .sync_single_for_cpu = kh40000_dma_direct_sync_single_for_cpu, 4332dbb0718135 leoliu-oc 2024-05-13 161 .unmap_sg = kh40000_dma_direct_unmap_sg, 4332dbb0718135 leoliu-oc 2024-05-13 162 .unmap_resource = kh40000_dma_direct_unmap_resource, 4332dbb0718135 leoliu-oc 2024-05-13 163 .dma_supported = dma_direct_supported, 4332dbb0718135 leoliu-oc 2024-05-13 164 .free = dma_direct_free, 4332dbb0718135 leoliu-oc 2024-05-13 165 .alloc_pages = dma_direct_alloc_pages, 4332dbb0718135 leoliu-oc 2024-05-13 166 .free_pages = dma_direct_free_pages, 4332dbb0718135 leoliu-oc 2024-05-13 167 .sync_single_for_device = dma_direct_sync_single_for_device, 4332dbb0718135 leoliu-oc 2024-05-13 168 .sync_sg_for_device = dma_direct_sync_sg_for_device, 4332dbb0718135 leoliu-oc 2024-05-13 169 .get_required_mask = dma_direct_get_required_mask, 4332dbb0718135 leoliu-oc 2024-05-13 170 .max_mapping_size = dma_direct_max_mapping_size, 4332dbb0718135 leoliu-oc 2024-05-13 171 .mmap = dma_direct_mmap, 4332dbb0718135 leoliu-oc 2024-05-13 172 .get_sgtable = dma_direct_get_sgtable, 4332dbb0718135 leoliu-oc 2024-05-13 173 .map_page = dma_direct_map_page, 4332dbb0718135 leoliu-oc 2024-05-13 174 .map_sg = dma_direct_map_sg, 4332dbb0718135 leoliu-oc 2024-05-13 175 .map_resource = dma_direct_map_resource, 4332dbb0718135 leoliu-oc 2024-05-13 176 }; ef20808db09987 leoliu-oc 2024-03-22 177

:::::: The code at line 155 was first introduced by commit :::::: 4332dbb07181359cccca3ba757ef54e434fb1296 Add kh40000_direct_dma_ops for KH-40000 platform

:::::: TO: leoliu-oc leoliu-oc@zhaoxin.com :::::: CC: leoliu-oc leoliu-oc@zhaoxin.com