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Date:   Mon, 25 Jun 2018 21:39:29 +0800
From:   kbuild test robot <lkp@intel.com>
To:     Jerome Brunet <jbrunet@baylibre.com>
Cc:     kbuild-all@01.org, Liam Girdwood <lgirdwood@gmail.com>,
        Mark Brown <broonie@kernel.org>,
        Jerome Brunet <jbrunet@baylibre.com>,
        alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ASoC: dpcm: improve runtime update predictability
Message-ID: <201806251940.hnjUV4rz%fengguang.wu@intel.com>
References: <20180625082923.25636-1-jbrunet@baylibre.com>
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Hi Jerome,

I love your patch! Perhaps something to improve:

[auto build test WARNING on asoc/for-next]
[also build test WARNING on v4.18-rc2 next-20180625]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Jerome-Brunet/ASoC-dpcm-improve-runtime-update-predictability/20180625-172002
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

   sound/soc/soc-pcm.c:357:32: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:357:32: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:367:32: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:367:32: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:417:28: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:417:28: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:418:28: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:418:28: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:419:28: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:419:28: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:420:28: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:420:28: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:435:28: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:435:28: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:436:28: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:436:28: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:445:24: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:445:24: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:446:24: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:446:24: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:447:24: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:447:24: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:448:24: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:448:24: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:1194:39: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:1194:39: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:1750:41: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:1750:41: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:1752:41: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:1752:41: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:1774:36: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:1774:36: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:1775:36: sparse: expression using sizeof(void)
   sound/soc/soc-pcm.c:1775:36: sparse: expression using sizeof(void)
>> sound/soc/soc-pcm.c:2600:5: sparse: symbol 'soc_dpcm_fe_runtime_update' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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