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Date:   Mon, 15 Apr 2019 07:50:42 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     alsa-devel@...a-project.org, tiwai@...e.de,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        liam.r.girdwood@...ux.intel.com, broonie@...nel.org,
        srinivas.kandagatla@...aro.org, jank@...ence.com, joe@...ches.com
Subject: Re: [alsa-devel] [PATCH 0/2] soundwire: fix Kconfig select/depend
 issues



On 4/14/19 5:13 AM, Vinod Koul wrote:
> On 11-04-19, 14:28, Pierre-Louis Bossart wrote:
>> 0-day/Kbuild starts complaining about missed module dependencies and
>> compilation issues. Since codecs and soc drivers need to be compilable
>> independently, let's fix this using the following model:
> 
> I have not seen a build report on this one, is this some internal Intel
> report or on upstream tree?

0day/kbuild generated this on my work tree:

tree:   https://github.com/plbossart/sound fix/soundwire-dev
head:   d59242993bef53c301c0badda162c6bb3a5f15cb
commit: 24fe4a80b2435446c52197cb828f4475aa817c79 [22/25] skl change for sdw
config: x86_64-randconfig-l1-04110213 (attached as .config)
compiler: gcc-5 (Debian 5.5.0-3) 5.4.1 20171010
reproduce:
         git checkout 24fe4a80b2435446c52197cb828f4475aa817c79
         # save the attached .config to linux build tree
         make ARCH=x86_64

All errors (new ones prefixed by >>):

    sound/soc/intel/skylake/skl-pcm.o: In function 
`skl_platform_pcm_prepare':
>> sound/soc/intel/skylake/skl-pcm.c:1364: undefined reference to `sdw_prepare_stream'
    sound/soc/intel/skylake/skl-pcm.o: In function 
`skl_platform_pcm_hw_free':
>> sound/soc/intel/skylake/skl-pcm.c:1339: undefined reference to `sdw_deprepare_stream'
    sound/soc/intel/skylake/skl-pcm.o: In function `skl_platform_shutdown':
>> sound/soc/intel/skylake/skl-pcm.c:1314: undefined reference to `sdw_release_stream'
    sound/soc/intel/skylake/skl-pcm.o: In function `skl_sdw_stream_trigger':
>> sound/soc/intel/skylake/skl-pcm.c:1266: undefined reference to `sdw_enable_stream'
>> sound/soc/intel/skylake/skl-pcm.c:1278: undefined reference to `sdw_disable_stream'
    sound/soc/intel/skylake/skl-pcm.o: In function `skl_platform_open':
>> sound/soc/intel/skylake/skl-pcm.c:1136: undefined reference to `sdw_alloc_stream'
    sound/soc/intel/skylake/skl-pcm.c:1163: undefined reference to 
`sdw_release_stream'
    sound/soc/intel/skylake/cnl-sst.o: In function `skl_sdw_init':
>> sound/soc/intel/skylake/cnl-sst.c:514: undefined reference to `sdw_intel_init'

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