Hi Hans, I love your patch! Yet something to improve: [auto build test ERROR on lee-mfd/for-mfd-next] [also build test ERROR on chanwoo-extcon/extcon-next asoc/for-next v5.11-rc1 next-20201223] [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/0day-ci/linux/commits/Hans-de-Goede/MFD-extcon-ASoC-Add-support-for-Intel-Bay-Trail-boards-with-WM5102-codec/20201228-051806 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next config: alpha-randconfig-r035-20201228 (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 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/bc64046ad088b340f127f9eefdb8f941c03dcb53 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Hans-de-Goede/MFD-extcon-ASoC-Add-support-for-Intel-Bay-Trail-boards-with-WM5102-codec/20201228-051806 git checkout bc64046ad088b340f127f9eefdb8f941c03dcb53 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): drivers/mfd/arizona-spi.c: In function 'arizona_spi_probe': >> drivers/mfd/arizona-spi.c:192:7: error: void value not ignored as it ought to be 192 | ret = arizona_spi_acpi_probe(arizona); | ^ vim +192 drivers/mfd/arizona-spi.c 133 134 static int arizona_spi_probe(struct spi_device *spi) 135 { 136 const struct spi_device_id *id = spi_get_device_id(spi); 137 struct arizona *arizona; 138 const struct regmap_config *regmap_config = NULL; 139 unsigned long type; 140 int ret; 141 142 if (spi->dev.of_node) 143 type = arizona_of_get_type(&spi->dev); 144 else if (ACPI_COMPANION(&spi->dev)) 145 type = (unsigned long)acpi_device_get_match_data(&spi->dev); 146 else 147 type = id->driver_data; 148 149 switch (type) { 150 case WM5102: 151 if (IS_ENABLED(CONFIG_MFD_WM5102)) 152 regmap_config = &wm5102_spi_regmap; 153 break; 154 case WM5110: 155 case WM8280: 156 if (IS_ENABLED(CONFIG_MFD_WM5110)) 157 regmap_config = &wm5110_spi_regmap; 158 break; 159 case WM1831: 160 case CS47L24: 161 if (IS_ENABLED(CONFIG_MFD_CS47L24)) 162 regmap_config = &cs47l24_spi_regmap; 163 break; 164 default: 165 dev_err(&spi->dev, "Unknown device type %ld\n", type); 166 return -EINVAL; 167 } 168 169 if (!regmap_config) { 170 dev_err(&spi->dev, 171 "No kernel support for device type %ld\n", type); 172 return -EINVAL; 173 } 174 175 arizona = devm_kzalloc(&spi->dev, sizeof(*arizona), GFP_KERNEL); 176 if (arizona == NULL) 177 return -ENOMEM; 178 179 arizona->regmap = devm_regmap_init_spi(spi, regmap_config); 180 if (IS_ERR(arizona->regmap)) { 181 ret = PTR_ERR(arizona->regmap); 182 dev_err(&spi->dev, "Failed to allocate register map: %d\n", 183 ret); 184 return ret; 185 } 186 187 arizona->type = type; 188 arizona->dev = &spi->dev; 189 arizona->irq = spi->irq; 190 191 if (ACPI_COMPANION(&spi->dev)) { > 192 ret = arizona_spi_acpi_probe(arizona); 193 if (ret) 194 return ret; 195 } 196 197 return arizona_dev_init(arizona); 198 } 199 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org