tree: https://github.com/morimoto/linux sound/2021-04-19-v3 head: 98469aeb54c122b8fc5c1d4607158220830bcba5 commit: 3969b3f0fb5f53791d94a04fac43bd4037e9a873 [34/100] ASoC: audio-graph-card2: add Audio Graph Card2 driver config: h8300-allyesconfig (attached as .config) compiler: h8300-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/morimoto/linux/commit/3969b3f0fb5f53791d94a04fac43bd40... git remote add morimoto-linux https://github.com/morimoto/linux git fetch --no-tags morimoto-linux sound/2021-04-19-v3 git checkout 3969b3f0fb5f53791d94a04fac43bd4037e9a873 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=h8300 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 >>): sound/soc/generic/audio-graph-card2.c: In function 'audio_graph2_parse_of': 593 | } | ^ vim +593 sound/soc/generic/audio-graph-card2.c 517 518 int audio_graph2_parse_of(struct asoc_simple_priv *priv, struct device *dev, 519 struct graph_custom_hooks *hooks) 520 { 521 struct snd_soc_card *card = simple_priv_to_card(priv); 522 struct link_info li; 523 int ret; 524 525 dev_warn(dev, "Audio Graph Card2 is still under Experimental stage\n"); 526 527 memset(&li, 0, sizeof(li)); 528 529 card->probe = asoc_graph_card_probe; 530 card->owner = THIS_MODULE; 531 card->dev = dev; 532 533 if ((hooks) && (hooks)->hook_pre) { 534 ret = (hooks)->hook_pre(priv); 535 if (ret < 0) 536 goto err; 537 } 538 539 ret = graph_for_each_link(priv, hooks, &li, graph_count); 540 if (!li.link) 541 ret = -EINVAL; 542 if (ret < 0) 543 goto err; 544 545 ret = asoc_simple_init_priv(priv, &li); 546 if (ret < 0) 547 goto err; 548 549 priv->pa_gpio = devm_gpiod_get_optional(dev, "pa", GPIOD_OUT_LOW); 550 if (IS_ERR(priv->pa_gpio)) { 551 ret = PTR_ERR(priv->pa_gpio); 552 dev_err(dev, "failed to get amplifier gpio: %d\n", ret); 553 goto err; 554 } 555 556 ret = asoc_simple_parse_widgets(card, NULL); 557 if (ret < 0) 558 goto err; 559 560 ret = asoc_simple_parse_routing(card, NULL); 561 if (ret < 0) 562 goto err; 563 564 memset(&li, 0, sizeof(li)); 565 ret = graph_for_each_link(priv, hooks, &li, graph_link); 566 if (ret < 0) 567 goto err; 568 569 ret = asoc_simple_parse_card_name(card, NULL); 570 if (ret < 0) 571 goto err; 572 573 snd_soc_card_set_drvdata(card, priv); 574 575 if ((hooks) && (hooks)->hook_post) { 576 ret = (hooks)->hook_post(priv); 577 if (ret < 0) 578 goto err; 579 } 580 581 asoc_simple_debug_info(priv); 582 583 ret = devm_snd_soc_register_card(dev, card); 584 if (ret < 0) 585 goto err; 586 587 return 0; 588 err: 589 if (ret != -EPROBE_DEFER) 590 dev_err(dev, "parse error %d\n", ret); 591 592 return ret; 594 EXPORT_SYMBOL_GPL(audio_graph2_parse_of); 595 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org