Hi Colin, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Colin-Foster/add-support-for-VSC... base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 3ad4b7c81a992463c29ae130332c217607fe4452 config: csky-randconfig-r035-20211116 (attached as .config) compiler: csky-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/6102be91864f2b2f739874842799a57ca... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Colin-Foster/add-support-for-VSC75XX-control-over-SPI/20211116-143245 git checkout 6102be91864f2b2f739874842799a57ca139c3b8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=csky If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 1403 | int ocelot_pinctrl_core_probe(struct device *dev, | ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/ocelot_pinctrl_core_probe +1403 drivers/pinctrl/pinctrl-ocelot.c 1402 1404 struct pinctrl_desc *pinctrl_desc, 1405 struct regmap *regmap_base, u32 regmap_offset, 1406 struct regmap *pincfg_base, u32 pincfg_offset, 1407 struct device_node *device_node) 1408 { 1409 struct ocelot_pinctrl *info; 1410 int ret; 1411 1412 info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL); 1413 if (!info) 1414 return -ENOMEM; 1415 1416 if (!pinctrl_desc) 1417 pinctrl_desc = ocelot_pinctrl_match_from_node(device_node); 1418 if (!pinctrl_desc) { 1419 dev_err(dev, "Failed to find device match\n"); 1420 return -ENODEV; 1421 } 1422 1423 info->desc = pinctrl_desc; 1424 info->stride = ocelot_pinctrl_determine_stride(info->desc); 1425 info->dev = dev; 1426 info->node = device_node; 1427 info->map = regmap_base; 1428 info->pincfg = pincfg_base; 1429 info->regmap_offset = regmap_offset; 1430 info->pincfg_offset = pincfg_offset; 1431 1432 ret = ocelot_pinctrl_register(dev, info); 1433 if (ret) 1434 return ret; 1435 1436 ret = ocelot_gpiochip_register(dev, info); 1437 if (ret) 1438 return ret; 1439 1440 return 0; 1441 } 1442 EXPORT_SYMBOL(ocelot_pinctrl_core_probe); 1443 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org