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SubjectRe: sound/soc/intel/skylake/skl.c:874: undefined reference to `snd_soc_hdac_hda_get_ops'
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On 11/19/18 7:26 AM, kbuild test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 9ff01193a20d391e8dbce4403dd5ef87c7eaaca6
> commit: 6bae5ea9498926440ffc883f3dbceb0adc65e492 ASoC: hdac_hda: add asoc extension for legacy HDA codec drivers
> date: 3 months ago
> config: i386-randconfig-x078-11191627 (attached as .config)
> compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
> reproduce:
> git checkout 6bae5ea9498926440ffc883f3dbceb0adc65e492
> # save the attached .config to linux build tree
> make ARCH=i386
>
> All errors (new ones prefixed by >>):
>
> sound/soc/intel/skylake/skl.o: In function `skl_create':
>>> sound/soc/intel/skylake/skl.c:874: undefined reference to `snd_soc_hdac_hda_get_ops'

the patches I submitted yesterday as RFC to alsa-devel fix this issue,
HDAC_HDA is selected directly by the SKYLAKE driver. will do a bit more
validation and resubmit as regular patch.


> vim +874 sound/soc/intel/skylake/skl.c
>
> 844
> 845 /*
> 846 * constructor
> 847 */
> 848 static int skl_create(struct pci_dev *pci,
> 849 const struct hdac_io_ops *io_ops,
> 850 struct skl **rskl)
> 851 {
> 852 struct hdac_ext_bus_ops *ext_ops = NULL;
> 853 struct skl *skl;
> 854 struct hdac_bus *bus;
> 855 struct hda_bus *hbus;
> 856 int err;
> 857
> 858 *rskl = NULL;
> 859
> 860 err = pci_enable_device(pci);
> 861 if (err < 0)
> 862 return err;
> 863
> 864 skl = devm_kzalloc(&pci->dev, sizeof(*skl), GFP_KERNEL);
> 865 if (!skl) {
> 866 pci_disable_device(pci);
> 867 return -ENOMEM;
> 868 }
> 869
> 870 hbus = skl_to_hbus(skl);
> 871 bus = skl_to_bus(skl);
> 872
> 873 #if IS_ENABLED(CONFIG_SND_SOC_HDAC_HDA)
> > 874 ext_ops = snd_soc_hdac_hda_get_ops();
> 875 #endif
> 876 snd_hdac_ext_bus_init(bus, &pci->dev, &bus_core_ops, io_ops, ext_ops);
> 877 bus->use_posbuf = 1;
> 878 skl->pci = pci;
> 879 INIT_WORK(&skl->probe_work, skl_probe_work);
> 880 bus->bdl_pos_adj = 0;
> 881
> 882 mutex_init(&hbus->prepare_mutex);
> 883 hbus->pci = pci;
> 884 hbus->mixer_assigned = -1;
> 885 hbus->modelname = "sklbus";
> 886
> 887 *rskl = skl;
> 888
> 889 return 0;
> 890 }
> 891
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation

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