Hi Arnd, kernel test robot noticed the following build errors: [auto build test ERROR on hid/for-next] [also build test ERROR on next-20240528] [cannot apply to linus/master v6.10-rc1] [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/Arnd-Bergmann/HID-intel-ish-hid-fix-endian-conversion/20240528-200100 base: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-next patch link: https://lore.kernel.org/r/20240528115802.3122955-2-arnd%40kernel.org patch subject: [PATCH 2/2] HID: intel-ish-hid: fix endian-conversion config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20240529/202405290447.n14W21hZ-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/20240529/202405290447.n14W21hZ-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/202405290447.n14W21hZ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/hid/intel-ish-hid/ishtp/loader.c:178:9: error: use of undeclared identifier 'dma' 178 | &dma, GFP_KERNEL); | ^ drivers/hid/intel-ish-hid/ishtp/loader.c:186:52: error: use of undeclared identifier 'dma' 186 | fragment->fragment_tbl[i].ddr_adrs = cpu_to_le64(dma); | ^ include/linux/byteorder/generic.h:86:21: note: expanded from macro 'cpu_to_le64' 86 | #define cpu_to_le64 __cpu_to_le64 | ^ 2 errors generated. vim +/dma +178 drivers/hid/intel-ish-hid/ishtp/loader.c 154 155 /** 156 * prepare_dma_bufs() - Prepare the DMA buffer for transferring firmware fragments 157 * @dev: The ISHTP device 158 * @ish_fw: The ISH firmware 159 * @fragment: The ISHTP firmware fragment descriptor 160 * @dma_bufs: The array of DMA fragment buffers 161 * @fragment_size: The size of a single DMA fragment 162 * 163 * Return: 0 on success, negative error code on failure 164 */ 165 static int prepare_dma_bufs(struct ishtp_device *dev, 166 const struct firmware *ish_fw, 167 struct loader_xfer_dma_fragment *fragment, 168 void **dma_bufs, u32 fragment_size, u32 fragment_count) 169 { 170 dma_addr_t dma_addr; 171 u32 offset = 0; 172 u32 length; 173 int i; 174 175 for (i = 0; i < fragment->fragment_cnt && offset < ish_fw->size; i++) { 176 dma_bufs[i] = dma_alloc_coherent(dev->devc, fragment_size, &dma_addr, GFP_KERNEL); 177 dma_bufs[i] = dma_alloc_coherent(dev->devc, fragment_size, > 178 &dma, GFP_KERNEL); 179 if (!dma_bufs[i]) 180 return -ENOMEM; 181 182 fragment->fragment_tbl[i].ddr_adrs = cpu_to_le64(dma_addr); 183 184 memcpy(dma_bufs[i], ish_fw->data + offset, le32_to_cpu(fragment->fragment_tbl[i].length)); 185 dma_wmb(); 186 fragment->fragment_tbl[i].ddr_adrs = cpu_to_le64(dma); 187 length = clamp(ish_fw->size - offset, 0, fragment_size); 188 fragment->fragment_tbl[i].length = cpu_to_le32(length); 189 fragment->fragment_tbl[i].fw_off = cpu_to_le32(offset); 190 191 offset += length; 192 } 193 194 return 0; 195 } 196 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki