Hi Michael, I love your patch! Perhaps something to improve: [auto build test WARNING on groeck-staging/hwmon-next] [also build test WARNING on robh/for-next linus/master v5.17 next-20220325] [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] url: https://github.com/intel-lab-lkp/linux/commits/Michael-Walle/hwmon-add-lan9668-driver/20220327-032606 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next config: sparc64-randconfig-s031-20220327 (https://download.01.org/0day-ci/archive/20220327/202203271141.S44Wx3yF-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/intel-lab-lkp/linux/commit/cfef456b1f1b1ab545a03f098e209aff8ae507b7 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Michael-Walle/hwmon-add-lan9668-driver/20220327-032606 git checkout cfef456b1f1b1ab545a03f098e209aff8ae507b7 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc64 SHELL=/bin/bash drivers/hwmon/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/hwmon/lan966x-hwmon.c:302:24: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected struct regmap * @@ got void [noderef] __iomem *[assigned] base @@ drivers/hwmon/lan966x-hwmon.c:302:24: sparse: expected struct regmap * drivers/hwmon/lan966x-hwmon.c:302:24: sparse: got void [noderef] __iomem *[assigned] base vim +302 drivers/hwmon/lan966x-hwmon.c 289 290 static struct regmap *lan966x_init_regmap(struct platform_device *pdev, 291 const char *name) 292 { 293 struct regmap_config regmap_config = { 294 .reg_bits = 32, 295 .reg_stride = 4, 296 .val_bits = 32, 297 }; 298 void __iomem *base; 299 300 base = devm_platform_ioremap_resource_byname(pdev, name); 301 if (IS_ERR(base)) > 302 return base; 303 304 regmap_config.name = name; 305 306 return devm_regmap_init_mmio(&pdev->dev, base, ®map_config); 307 } 308 -- 0-DAY CI Kernel Test Service https://01.org/lkp
