Hi Kamel, kernel test robot noticed the following build warnings: [auto build test WARNING on dtor-input/next] [also build test WARNING on dtor-input/for-linus robh/for-next krzk-dt/for-next linus/master v6.8-rc2 next-20240202] [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/Kamel-Bouhara/dt-bindings-vendor-prefixes-Add-TouchNetix-AS/20240131-221925 base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next patch link: https://lore.kernel.org/r/20240131141158.3350344-4-kamel.bouhara%40bootlin.com patch subject: [PATCH v7 3/3] Input: Add TouchNetix axiom i2c touchscreen driver config: s390-randconfig-r131-20240201 (https://download.01.org/0day-ci/archive/20240203/202402030433.2vfAa4qt-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project fdac7d0b6f74f919d319b31a0680c77f66732586) reproduce: (https://download.01.org/0day-ci/archive/20240203/202402030433.2vfAa4qt-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/202402030433.2vfAa4qt-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/input/touchscreen/touchnetix_axiom.c:181:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] preamble @@ got unsigned int @@ drivers/input/touchscreen/touchnetix_axiom.c:181:18: sparse: expected restricted __le32 [usertype] preamble drivers/input/touchscreen/touchnetix_axiom.c:181:18: sparse: got unsigned int >> drivers/input/touchscreen/touchnetix_axiom.c:183:40: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned int reg @@ got restricted __le32 [usertype] preamble @@ drivers/input/touchscreen/touchnetix_axiom.c:183:40: sparse: expected unsigned int reg drivers/input/touchscreen/touchnetix_axiom.c:183:40: sparse: got restricted __le32 [usertype] preamble vim +181 drivers/input/touchscreen/touchnetix_axiom.c 171 172 static int axiom_read(struct axiom_data *ts, u8 usage, u8 page, void *buf, u16 len) 173 { 174 struct axiom_cmd_header cmd_header; 175 __le32 preamble; 176 int ret; 177 178 cmd_header.target_address = cpu_to_le16(axiom_usage_to_target_address(ts, usage, page, 0)); 179 cmd_header.length = cpu_to_le16(len | AXIOM_CMD_HEADER_READ_MASK); 180 > 181 preamble = get_unaligned_le32((u8 *)&cmd_header); 182 > 183 ret = regmap_write(ts->regmap, preamble, 0); 184 if (ret) { 185 dev_err(ts->dev, "failed to write preamble, error %d\n", ret); 186 return ret; 187 } 188 189 ret = regmap_raw_read(ts->regmap, 0, buf, len); 190 if (ret) { 191 dev_err(ts->dev, "failed to read target address %04x, error %d\n", 192 cmd_header.target_address, ret); 193 return ret; 194 } 195 196 /* Wait device's DMA operations */ 197 usleep_range(AXIOM_DMA_OPS_DELAY_USEC, AXIOM_DMA_OPS_DELAY_USEC + 50); 198 199 return 0; 200 } 201 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki