Hi Pierre-Louis,

First bad commit (maybe != root cause):

tree:   https://github.com/plbossart/sound sdw/fixup-hardware-reset-checks
head:   5159b0b0c54885c59d8005ed54c139330b164f98
commit: 7fc223e746faf72a7c0d04a7037d6a24ca7f8f0f [4/7] ASoC: SOF: Intel: hda: add new flags for DAI_CONFIG
config: sh-allmodconfig (attached as .config)
compiler: sh4-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
        # https://github.com/plbossart/sound/commit/7fc223e746faf72a7c0d04a7037d6a24ca7f8f0f
        git remote add plbossart-sound https://github.com/plbossart/sound
        git fetch --no-tags plbossart-sound sdw/fixup-hardware-reset-checks
        git checkout 7fc223e746faf72a7c0d04a7037d6a24ca7f8f0f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh 

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 >>, old ones prefixed by <<):

>> ERROR: modpost: "__cmpxchg_called_with_bad_pointer" [sound/soc/sof/snd-sof.ko] undefined!
ERROR: modpost: "__delay" [drivers/net/mdio/mdio-cavium.ko] undefined!
ERROR: modpost: "__udivdi3" [fs/btrfs/btrfs.ko] undefined!
ERROR: modpost: "__umoddi3" [fs/btrfs/btrfs.ko] undefined!

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for SND_ATMEL_SOC_PDC
   Depends on SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && HAS_DMA
   Selected by
   - SND_ATMEL_SOC_SSC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC
   - SND_ATMEL_SOC_SSC_PDC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && ATMEL_SSC

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