Hi Arturs, kernel test robot noticed the following build warnings: [auto build test WARNING on da3ea35007d0af457a0afc87e84fddaebc4e0b63] url: https://github.com/intel-lab-lkp/linux/commits/Arturs-Artamonovs-via-B4-Relay/arm64-Add-ADI-ADSP-SC598-SoC/20240913-022308 base: da3ea35007d0af457a0afc87e84fddaebc4e0b63 patch link: https://lore.kernel.org/r/20240912-test-v1-13-458fa57c8ccf%40analog.com patch subject: [PATCH 13/21] pinctrl: Add drivers for ADI ADSP-SC5xx platform config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20240914/202409141049.53oom3zJ-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project bf684034844c660b778f0eba103582f582b710c9) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240914/202409141049.53oom3zJ-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/202409141049.53oom3zJ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/pinctrl/pinctrl-adsp.c:291: warning: Function parameter or struct member 'pctldev' not described in 'adsp_pinctrl_dt_node_to_map' >> drivers/pinctrl/pinctrl-adsp.c:291: warning: Function parameter or struct member 'np' not described in 'adsp_pinctrl_dt_node_to_map' >> drivers/pinctrl/pinctrl-adsp.c:291: warning: Function parameter or struct member 'map' not described in 'adsp_pinctrl_dt_node_to_map' >> drivers/pinctrl/pinctrl-adsp.c:291: warning: Function parameter or struct member 'num_maps' not described in 'adsp_pinctrl_dt_node_to_map' >> drivers/pinctrl/pinctrl-adsp.c:291: warning: expecting prototype for Handle device tree structures like(). Prototype was for adsp_pinctrl_dt_node_to_map() instead vim +291 drivers/pinctrl/pinctrl-adsp.c 271 272 /** 273 * Handle device tree structures like: 274 * 275 * pinctrl_uart0_hwflow: uart0_hwflow_pins { 276 * pins_rxtx_ { 277 * pinmux = <1>, <2>; 278 * some-padconf-flag; 279 * }; 280 * pins_hwflow { 281 * pinmux = <3>, <4>; 282 * some-other-padconf-flag; 283 * }; 284 * }; 285 * 286 * where &pinctrl_uart0_hwflow is passed as an entry in pinctrl-0 on uart driver and 287 * enables all sub-pins at once 288 */ 289 static int adsp_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev, 290 struct device_node *np, struct pinctrl_map **map, unsigned int *num_maps) > 291 { 292 unsigned int reserved_maps; 293 struct device_node *child_np; 294 int ret; 295 296 reserved_maps = 0; 297 *map = NULL; 298 *num_maps = 0; 299 300 for_each_child_of_node(np, child_np) { 301 ret = adsp_pinctrl_dt_subnode_to_map(pctldev, child_np, map, 302 &reserved_maps, num_maps); 303 if (ret < 0) 304 goto exit; 305 } 306 return 0; 307 308 exit: 309 pinctrl_utils_free_map(pctldev, *map, *num_maps); 310 return ret; 311 } 312 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki