Hi Akshu, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/chromeos.git chromeos-5.4__release/core54-58 head: d902f3439a0584cd838618b3b5ba473e5e2f1c14 commit: 182ae8e09f7dcf20e9a35b623d0f2293eb2a13e8 [3013/9999] FROMLIST: ASoc: amd: Add DMIC switch capability to machine driver config: x86_64-randconfig-r015-20200708 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 02946de3802d3bc65bc9f2eb9b8d4969b5a7add8) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout 182ae8e09f7dcf20e9a35b623d0f2293eb2a13e8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 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 >>): PTR_ERR(dmic_sel)); ^~~~~~~~~~~~~~~~~ include/linux/device.h:1741:32: note: expanded from macro 'dev_err' _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ 1 warning generated. vim +342 sound/soc/amd/acp3x-rt5682-max9836.c 323 324 static int acp3x_probe(struct platform_device *pdev) 325 { 326 int ret; 327 struct snd_soc_card *card; 328 struct acp3x_platform_info *machine; 329 330 machine = devm_kzalloc(&pdev->dev, sizeof(*machine), GFP_KERNEL); 331 if (!machine) 332 return -ENOMEM; 333 334 card = &acp3x_card; 335 acp3x_card.dev = &pdev->dev; 336 platform_set_drvdata(pdev, card); 337 snd_soc_card_set_drvdata(card, machine); 338 339 dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW); 340 if (IS_ERR(dmic_sel)) { 341 dev_err(&pdev->dev, "DMIC gpio failed err=%d\n", 343 return PTR_ERR(dmic_sel); 344 } 345 346 ret = devm_snd_soc_register_card(&pdev->dev, &acp3x_card); 347 if (ret) { 348 dev_err(&pdev->dev, 349 "devm_snd_soc_register_card(%s) failed: %d\n", 350 acp3x_card.name, ret); 351 return ret; 352 } 353 return 0; 354 } 355 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org