tree: https://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git droid4-pending-mdm-v5.1 head: b5de5bd920a448b2ca35f6b6113259beddeda873 commit: 6adb2d19d9267c3f6b0b26f8455b9ba20424e6c2 [8/10] ASoC: audio-graph-card: Add audio mixer for motorold mdm6600 reproduce: # apt-get install sparse git checkout 6adb2d19d9267c3f6b0b26f8455b9ba20424e6c2 make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> sound/soc/codecs/motmdm.c:39:12: sparse: sparse: symbol 'motmd_read_fmt' was not declared. Should it be static? >> sound/soc/codecs/motmdm.c:45:12: sparse: sparse: symbol 'motmd_write_fmt' was not declared. Should it be static? >> sound/soc/codecs/motmdm.c:280:51: sparse: sparse: Using plain integer as NULL pointer Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation