Hi Christian, kernel test robot noticed the following build errors: [auto build test ERROR on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Christian-Marangi/dt-bindings-nvmem-Document-support-for-Airoha-AN8855-Switch-EFUSE/20250315-235040 base: net-next/main patch link: https://lore.kernel.org/r/20250315154407.26304-11-ansuelsmth%40gmail.com patch subject: [net-next PATCH v13 10/14] mfd: an8855: Add support for Airoha AN8855 Switch MFD config: i386-randconfig-006-20250321 (https://download.01.org/0day-ci/archive/20250321/202503211428.H4VdWHco-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250321/202503211428.H4VdWHco-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/202503211428.H4VdWHco-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ld: drivers/mfd/airoha-an8855.o: in function `an8855_core_probe': >> drivers/mfd/airoha-an8855.c:376: undefined reference to `devm_mdio_regmap_init' vim +376 drivers/mfd/airoha-an8855.c 352 353 static int an8855_core_probe(struct mdio_device *mdiodev) 354 { 355 struct regmap *regmap, *regmap_phy; 356 struct device *dev = &mdiodev->dev; 357 struct an8855_core_priv *priv; 358 struct gpio_desc *reset_gpio; 359 u32 val; 360 int ret; 361 362 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 363 if (!priv) 364 return -ENOMEM; 365 366 priv->bus = mdiodev->bus; 367 priv->switch_addr = mdiodev->addr; 368 /* No DMA for mdiobus, mute warning for DMA mask not set */ 369 dev->dma_mask = &dev->coherent_dma_mask; 370 371 regmap = devm_regmap_init(dev, NULL, priv, &an8855_regmap_config); 372 if (IS_ERR(regmap)) 373 return dev_err_probe(dev, PTR_ERR(regmap), 374 "regmap initialization failed\n"); 375 > 376 regmap_phy = devm_mdio_regmap_init(dev, priv, &an8855_regmap_phy_config); 377 if (IS_ERR(regmap_phy)) 378 return dev_err_probe(dev, PTR_ERR(regmap_phy), 379 "regmap phy initialization failed\n"); 380 381 reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); 382 if (IS_ERR(reset_gpio)) 383 return PTR_ERR(reset_gpio); 384 385 if (reset_gpio) { 386 usleep_range(100000, 150000); 387 gpiod_set_value_cansleep(reset_gpio, 0); 388 usleep_range(100000, 150000); 389 gpiod_set_value_cansleep(reset_gpio, 1); 390 391 /* Poll HWTRAP reg to wait for Switch to fully Init */ 392 ret = regmap_read_poll_timeout(regmap, AN8855_HWTRAP, val, 393 val, 20, 200000); 394 if (ret) 395 return ret; 396 } 397 398 ret = an8855_read_switch_id(dev, regmap); 399 if (ret) 400 return ret; 401 402 /* Release global PHY power down */ 403 ret = regmap_write(regmap, AN8855_RG_GPHY_AFE_PWD, 0x0); 404 if (ret) 405 return ret; 406 407 return devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, an8855_core_childs, 408 ARRAY_SIZE(an8855_core_childs), NULL, 0, 409 NULL); 410 } 411 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
