Hi Jean, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [cannot apply to v5.4-rc3 next-20191011] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Jean-Delvare/Instantiate-SPD-EEP... config: i386-defconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/i2c/busses/i2c-i801.c: In function 'i801_probe_optional_slaves': >> drivers/i2c/busses/i2c-i801.c:1319:11: error: 'struct i801_priv' has no member named 'mux_drvdata' if (!priv->mux_drvdata) ^~ vim +1319 drivers/i2c/busses/i2c-i801.c 1295 1296 /* Register optional slaves */ 1297 static void i801_probe_optional_slaves(struct i801_priv *priv) 1298 { 1299 /* Only register slaves on main SMBus channel */ 1300 if (priv->features & FEATURE_IDF) 1301 return; 1302 1303 if (apanel_addr) { 1304 struct i2c_board_info info; 1305 1306 memset(&info, 0, sizeof(struct i2c_board_info)); 1307 info.addr = apanel_addr; 1308 strlcpy(info.type, "fujitsu_apanel", I2C_NAME_SIZE); 1309 i2c_new_device(&priv->adapter, &info); 1310 } 1311 1312 if (dmi_name_in_vendors("FUJITSU")) 1313 dmi_walk(dmi_check_onboard_devices, &priv->adapter); 1314 1315 if (is_dell_system_with_lis3lv02d()) 1316 register_dell_lis3lv02d_i2c_device(priv); 1317 1318 /* Instantiate SPD EEPROMs unless the SMBus is multiplexed */ > 1319 if (!priv->mux_drvdata) 1320 i2c_register_spd(&priv->adapter); 1321 } 1322 #else 1323 static void __init input_apanel_init(void) {} 1324 static void i801_probe_optional_slaves(struct i801_priv *priv) {} 1325 #endif /* CONFIG_X86 && CONFIG_DMI */ 1326