tree: https://github.com/morimoto/linux fw-cleanup-2021-02-09-v2 head: 57b3e3d3b6d096122906ad284c62c88e65aa5f8a commit: d17da092426625b7afabd715ec72e9c854ee2ded [83/100] ASoC: simple_card_utils: add codec2codec support config: arm-randconfig-r006-20210209 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/morimoto/linux/commit/d17da092426625b7afabd715ec72e9c8... git remote add morimoto-linux https://github.com/morimoto/linux git fetch --no-tags morimoto-linux fw-cleanup-2021-02-09-v2 git checkout d17da092426625b7afabd715ec72e9c854ee2ded # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 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 >>): static int asoc_simple_probe(struct platform_device *pdev) ^ 1 warning generated. vim +/asoc_simple_probe +612 sound/soc/generic/simple-card.c 8d1bd113a19440 Katsuhiro Suzuki 2018-06-11 611 b0a821daf0d04e Amir Goldstein 2019-05-16 @612 static int asoc_simple_probe(struct platform_device *pdev) f2390880ec0264 Kuninori Morimoto 2012-04-08 613 { e59289cda8dec0 Kuninori Morimoto 2019-03-20 614 struct asoc_simple_priv *priv; f89983ef61677a Kuninori Morimoto 2012-12-25 615 struct device *dev = &pdev->dev; dcee9bfe890451 Kuninori Morimoto 2017-03-15 616 struct device_node *np = dev->of_node; 5be509576cf634 Kuninori Morimoto 2017-03-15 617 struct snd_soc_card *card; 17029e494edc68 Kuninori Morimoto 2018-12-20 618 struct link_info li; 65a5056b21202e Kuninori Morimoto 2019-03-20 619 int ret; f2390880ec0264 Kuninori Morimoto 2012-04-08 620 0dd4fc3c2f663b Xiubo Li 2014-09-10 621 /* Allocate the private data and the DAI link array */ b0133d9c4d7600 Kuninori Morimoto 2016-08-26 622 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); ca65b492c7a265 Jean-Francois Moine 2014-01-15 623 if (!priv) ca919fe4b972b9 Xiubo Li 2014-01-14 624 return -ENOMEM; ca919fe4b972b9 Xiubo Li 2014-01-14 625 d947cdfd4be29c Kuninori Morimoto 2018-12-20 626 card = simple_priv_to_card(priv); d947cdfd4be29c Kuninori Morimoto 2018-12-20 627 card->owner = THIS_MODULE; d947cdfd4be29c Kuninori Morimoto 2018-12-20 628 card->dev = dev; 2d01a84605a55c Kuninori Morimoto 2018-12-20 629 card->probe = simple_soc_probe; d947cdfd4be29c Kuninori Morimoto 2018-12-20 630 17029e494edc68 Kuninori Morimoto 2018-12-20 631 memset(&li, 0, sizeof(li)); 2d01a84605a55c Kuninori Morimoto 2018-12-20 632 simple_get_dais_count(priv, &li); 920e205d2dcb80 Kuninori Morimoto 2020-11-17 633 if (!li.link) da215354eb55c3 Kuninori Morimoto 2018-12-14 634 return -EINVAL; da215354eb55c3 Kuninori Morimoto 2018-12-14 635 ad11e59f52d6fc Kuninori Morimoto 2019-03-20 636 ret = asoc_simple_init_priv(priv, &li); 65a5056b21202e Kuninori Morimoto 2019-03-20 637 if (ret < 0) 65a5056b21202e Kuninori Morimoto 2019-03-20 638 return ret; 201a0eac7fe5e7 Jean-Francois Moine 2014-01-15 639 201a0eac7fe5e7 Jean-Francois Moine 2014-01-15 640 if (np && of_device_is_available(np)) { ca919fe4b972b9 Xiubo Li 2014-01-14 641 2d01a84605a55c Kuninori Morimoto 2018-12-20 642 ret = simple_parse_of(priv); fa558c2801fc17 Kuninori Morimoto 2013-11-20 643 if (ret < 0) { fa558c2801fc17 Kuninori Morimoto 2013-11-20 644 if (ret != -EPROBE_DEFER) fa558c2801fc17 Kuninori Morimoto 2013-11-20 645 dev_err(dev, "parse error %d\n", ret); e512e001dafa54 Jean-Francois Moine 2014-03-11 646 goto err; fa558c2801fc17 Kuninori Morimoto 2013-11-20 647 } 6a91a17bd7b92b Jean-Francois Moine 2014-03-20 648 fa558c2801fc17 Kuninori Morimoto 2013-11-20 649 } else { ca65b492c7a265 Jean-Francois Moine 2014-01-15 650 struct asoc_simple_card_info *cinfo; f107294c6422e7 Kuninori Morimoto 2019-06-06 651 struct snd_soc_dai_link_component *cpus; 710af9196ce614 Kuninori Morimoto 2018-08-31 652 struct snd_soc_dai_link_component *codecs; e58f41e41185c6 Kuninori Morimoto 2018-08-31 653 struct snd_soc_dai_link_component *platform; 65a5056b21202e Kuninori Morimoto 2019-03-20 654 struct snd_soc_dai_link *dai_link = priv->dai_link; 65a5056b21202e Kuninori Morimoto 2019-03-20 655 struct simple_dai_props *dai_props = priv->dai_props; 65a5056b21202e Kuninori Morimoto 2019-03-20 656 ca65b492c7a265 Jean-Francois Moine 2014-01-15 657 cinfo = dev->platform_data; ca65b492c7a265 Jean-Francois Moine 2014-01-15 658 if (!cinfo) { f89983ef61677a Kuninori Morimoto 2012-12-25 659 dev_err(dev, "no info for asoc-simple-card\n"); f2390880ec0264 Kuninori Morimoto 2012-04-08 660 return -EINVAL; f2390880ec0264 Kuninori Morimoto 2012-04-08 661 } f2390880ec0264 Kuninori Morimoto 2012-04-08 662 f2390880ec0264 Kuninori Morimoto 2012-04-08 663 if (!cinfo->name || fa558c2801fc17 Kuninori Morimoto 2013-11-20 664 !cinfo->codec_dai.name || 7722f830a45f7f Jean-Francois Moine 2014-01-15 665 !cinfo->codec || 7722f830a45f7f Jean-Francois Moine 2014-01-15 666 !cinfo->platform || 7722f830a45f7f Jean-Francois Moine 2014-01-15 667 !cinfo->cpu_dai.name) { f89983ef61677a Kuninori Morimoto 2012-12-25 668 dev_err(dev, "insufficient asoc_simple_card_info settings\n"); f2390880ec0264 Kuninori Morimoto 2012-04-08 669 return -EINVAL; f2390880ec0264 Kuninori Morimoto 2012-04-08 670 } 2bee991460a838 Jean-Francois Moine 2014-01-15 671 f107294c6422e7 Kuninori Morimoto 2019-06-06 672 cpus = dai_link->cpus; f107294c6422e7 Kuninori Morimoto 2019-06-06 673 cpus->dai_name = cinfo->cpu_dai.name; f107294c6422e7 Kuninori Morimoto 2019-06-06 674 710af9196ce614 Kuninori Morimoto 2018-08-31 675 codecs = dai_link->codecs; 710af9196ce614 Kuninori Morimoto 2018-08-31 676 codecs->name = cinfo->codec; 710af9196ce614 Kuninori Morimoto 2018-08-31 677 codecs->dai_name = cinfo->codec_dai.name; 710af9196ce614 Kuninori Morimoto 2018-08-31 678 910fdcabedd235 Kuninori Morimoto 2019-01-21 679 platform = dai_link->platforms; e58f41e41185c6 Kuninori Morimoto 2018-08-31 680 platform->name = cinfo->platform; e58f41e41185c6 Kuninori Morimoto 2018-08-31 681 5be509576cf634 Kuninori Morimoto 2017-03-15 682 card->name = (cinfo->card) ? cinfo->card : cinfo->name; 5ca8ba4180a6f6 Jean-Francois Moine 2014-01-15 683 dai_link->name = cinfo->name; 5ca8ba4180a6f6 Jean-Francois Moine 2014-01-15 684 dai_link->stream_name = cinfo->name; 1efb53a220b78f Lars-Peter Clausen 2015-03-24 685 dai_link->dai_fmt = cinfo->daifmt; ad934ca8010843 Kuninori Morimoto 2019-03-20 686 dai_link->init = asoc_simple_dai_init; 65a5056b21202e Kuninori Morimoto 2019-03-20 687 memcpy(dai_props->cpu_dai, &cinfo->cpu_dai, 65a5056b21202e Kuninori Morimoto 2019-03-20 688 sizeof(*dai_props->cpu_dai)); 65a5056b21202e Kuninori Morimoto 2019-03-20 689 memcpy(dai_props->codec_dai, &cinfo->codec_dai, 65a5056b21202e Kuninori Morimoto 2019-03-20 690 sizeof(*dai_props->codec_dai)); 7722f830a45f7f Jean-Francois Moine 2014-01-15 691 } f2390880ec0264 Kuninori Morimoto 2012-04-08 692 5be509576cf634 Kuninori Morimoto 2017-03-15 693 snd_soc_card_set_drvdata(card, priv); f2390880ec0264 Kuninori Morimoto 2012-04-08 694 0580dde5943868 Kuninori Morimoto 2019-03-20 695 asoc_simple_debug_info(priv); 0580dde5943868 Kuninori Morimoto 2019-03-20 696 5be509576cf634 Kuninori Morimoto 2017-03-15 697 ret = devm_snd_soc_register_card(dev, card); c6d112e442fed7 Kuninori Morimoto 2017-05-19 698 if (ret < 0) c6d112e442fed7 Kuninori Morimoto 2017-05-19 699 goto err; c6d112e442fed7 Kuninori Morimoto 2017-05-19 700 c6d112e442fed7 Kuninori Morimoto 2017-05-19 701 return 0; e512e001dafa54 Jean-Francois Moine 2014-03-11 702 err: ad11e59f52d6fc Kuninori Morimoto 2019-03-20 703 asoc_simple_clean_reference(card); 387f5823f40044 Kuninori Morimoto 2016-08-26 704 e512e001dafa54 Jean-Francois Moine 2014-03-11 705 return ret; f2390880ec0264 Kuninori Morimoto 2012-04-08 706 } f2390880ec0264 Kuninori Morimoto 2012-04-08 707 :::::: The code at line 612 was first introduced by commit :::::: b0a821daf0d04e5a8ae99829e24f2fe538f25763 ASoC: rename functions that pollute the simple_xxx namespace :::::: TO: Amir Goldstein <amir73il(a)gmail.com&gt; :::::: CC: Mark Brown <broonie(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org