linux-kernel - Re: sound/soc/intel/skylake/skl.c:874: undefined reference to `snd_soc_hdac_hda_get

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Message-ID: <a6129d18-7c0d-d458-f401-c79643897b80@linux.intel.com>
Date:   Mon, 19 Nov 2018 08:41:15 -0600
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     kbuild test robot <lkp@...el.com>,
        Rakesh Ughreja <rakesh.a.ughreja@...el.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Mark Brown <broonie@...nel.org>
Subject: Re: sound/soc/intel/skylake/skl.c:874: undefined reference to
 `snd_soc_hdac_hda_get_ops'

Th

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