tree: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-linux-5.4.y head: eacdd0a4f060e33d46290dec099c5242e58acfa9 commit: 8c2782d9cf8577929a707c0a68e3313bc71f5c23 [9988/9999] net: ethernet: ti: icss-iep: Make icss-iep a separate driver config: arm64-allyesconfig (attached as .config) compiler: aarch64-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 git checkout 8c2782d9cf8577929a707c0a68e3313bc71f5c23 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 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 >>, old ones prefixed by <<): 518 | int icss_iep_probe(struct platform_device *pdev) | ^~~~~~~~~~~~~~ vim +/icss_iep_probe +518 drivers/net/ethernet/ti/icss_iep.c 517 519 { 520 struct device *dev = &pdev->dev; 521 struct icss_iep *iep; 522 struct resource *res; 523 struct clk *iep_clk; 524 525 iep = devm_kzalloc(dev, sizeof(*iep), GFP_KERNEL); 526 if (!iep) 527 return -ENOMEM; 528 529 iep->dev = dev; 530 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 531 iep->base = devm_ioremap_resource(dev, res); 532 if (IS_ERR(iep->base)) 533 return -ENODEV; 534 535 iep_clk = devm_clk_get(dev, NULL); 536 if (IS_ERR(iep_clk)) 537 return PTR_ERR(iep_clk); 538 539 iep->refclk_freq = clk_get_rate(iep_clk); 540 541 iep->plat_data = of_device_get_match_data(dev); 542 if (!iep->plat_data) 543 return -EINVAL; 544 545 iep->map = devm_regmap_init(dev, NULL, iep, iep->plat_data->config); 546 if (IS_ERR(iep->map)) { 547 dev_err(dev, "Failed to create regmap for IEP %ld\n", 548 PTR_ERR(iep->map)); 549 return PTR_ERR(iep->map); 550 } 551 552 mutex_init(&iep->ptp_clk_mutex); 553 dev_set_drvdata(dev, iep); 554 icss_iep_disable(iep); 555 556 return 0; 557 } 558 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org