tree:   https://github.com/omap-audio/linux-audio  peter/linux-next-wip
head:   5dbbfd0560518c2de57856803de7b00c5d87b374
commit: a919ef20b36c709f706bf530c5a0afe8eada1304 [24/71] ASoC: Initial driver for TAS2555 Smart Amplifier
config: mips-randconfig-p002-20200901 (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
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
        git checkout a919ef20b36c709f706bf530c5a0afe8eada1304
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   mips-linux-ld: drivers/mmc/host/mtk-sd.o: in function `msdc_set_mclk':
>> drivers/mmc/host/mtk-sd.c:(.text.msdc_set_mclk+0x338): undefined reference to `clk_get_parent'
>> mips-linux-ld: drivers/mmc/host/mtk-sd.c:(.text.msdc_set_mclk+0x448): undefined reference to `clk_get_parent'

cppcheck warnings: (new ones prefixed by >>)

>> sound/soc/codecs/tas2555.c:641:6: warning: Variable 'ret' is reassigned a value before the old one has been used. [redundantAssignment]
    ret = regmap_read(tas2555->regmap, TAS2555_BOOKCTL_REG,
        ^
   sound/soc/codecs/tas2555.c:636:6: note: Variable 'ret' is reassigned a value before the old one has been used.
    ret = regulator_bulk_enable(ARRAY_SIZE(tas2555->supplies),
        ^
   sound/soc/codecs/tas2555.c:641:6: note: Variable 'ret' is reassigned a value before the old one has been used.
    ret = regmap_read(tas2555->regmap, TAS2555_BOOKCTL_REG,
        ^

# https://github.com/omap-audio/linux-audio/commit/a919ef20b36c709f706bf530c5a0afe8eada1304 
git remote add omap-audio https://github.com/omap-audio/linux-audio 
git fetch --no-tags omap-audio peter/linux-next-wip
git checkout a919ef20b36c709f706bf530c5a0afe8eada1304
vim +/ret +641 sound/soc/codecs/tas2555.c

a919ef20b36c70 Peter Ujfalusi 2015-05-08  629  static int tas2555_codec_probe(struct snd_soc_component *component)
a919ef20b36c70 Peter Ujfalusi 2015-05-08  630  {
a919ef20b36c70 Peter Ujfalusi 2015-05-08  631  	struct tas2555_priv *tas2555 = snd_soc_component_get_drvdata(component);
a919ef20b36c70 Peter Ujfalusi 2015-05-08  632  	int ret;
a919ef20b36c70 Peter Ujfalusi 2015-05-08  633  
a919ef20b36c70 Peter Ujfalusi 2015-05-08  634  	tas2555->component = component;
a919ef20b36c70 Peter Ujfalusi 2015-05-08  635  
a919ef20b36c70 Peter Ujfalusi 2015-05-08  636  	ret = regulator_bulk_enable(ARRAY_SIZE(tas2555->supplies),
a919ef20b36c70 Peter Ujfalusi 2015-05-08  637  				    tas2555->supplies);

Error handling intended here?

a919ef20b36c70 Peter Ujfalusi 2015-05-08  638  
a919ef20b36c70 Peter Ujfalusi 2015-05-08  639  	gpiod_set_value(tas2555->nreset, 1);
a919ef20b36c70 Peter Ujfalusi 2015-05-08  640  
a919ef20b36c70 Peter Ujfalusi 2015-05-08 @641  	ret = regmap_read(tas2555->regmap, TAS2555_BOOKCTL_REG,
a919ef20b36c70 Peter Ujfalusi 2015-05-08  642  			  &tas2555->current_book);
a919ef20b36c70 Peter Ujfalusi 2015-05-08  643  	if (ret < 0)
a919ef20b36c70 Peter Ujfalusi 2015-05-08  644  		tas2555->current_book = 0;
a919ef20b36c70 Peter Ujfalusi 2015-05-08  645  
a919ef20b36c70 Peter Ujfalusi 2015-05-08  646  	dev_info(component->dev, "TAS2555 PGID: 0x%02x\n",
a919ef20b36c70 Peter Ujfalusi 2015-05-08  647  		 tas2555_read(component, TAS2555_REV_PGID_REG));
a919ef20b36c70 Peter Ujfalusi 2015-05-08  648  
a919ef20b36c70 Peter Ujfalusi 2015-05-08  649  	return tas2555_init(component);
a919ef20b36c70 Peter Ujfalusi 2015-05-08  650  }

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org 

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