tree: https://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git serdev-ngsm-pending-v5.7 head: 4eda51fea6be98ca5a4023a988b102bf3629b295 commit: 728c3d7a6d54a03b28a677cbd623439c4b58d3ad [25/29] ASoC: audio-graph-card: Add audio mixer for motorold mdm6600 config: nds32-allyesconfig (attached as .config) compiler: nds32le-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 728c3d7a6d54a03b28a677cbd623439c4b58d3ad # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): sound/soc/codecs/motmdm.c: In function 'motmdm_find_primary_dai': 360 | unsigned int daifmt; | ^~~~~~ vim +/daifmt +360 sound/soc/codecs/motmdm.c 351 352 static int motmdm_find_primary_dai(struct snd_soc_component *component, 353 const char *name) 354 { 355 struct motmdm_driver_data *ddata = 356 snd_soc_component_get_drvdata(component); 357 struct device_node *bitclkmaster = NULL, *framemaster = NULL; 358 struct device_node *ep, *master_ep, *master = NULL; 359 struct snd_soc_dai_link_component dlc = { 0 }; 361 362 ep = of_graph_get_next_endpoint(component->dev->of_node, NULL); 363 if (!ep) 364 return -ENODEV; 365 366 master_ep = of_graph_get_remote_endpoint(ep); 367 of_node_put(ep); 368 if (!master_ep) 369 return -ENODEV; 370 371 daifmt = snd_soc_of_parse_daifmt(master_ep, NULL, 372 &bitclkmaster, &framemaster); 373 of_node_put(master_ep); 374 if (bitclkmaster && framemaster) 375 master = of_graph_get_port_parent(bitclkmaster); 376 of_node_put(bitclkmaster); 377 of_node_put(framemaster); 378 if (!master) 379 return -ENODEV; 380 381 dlc.of_node = master; 382 dlc.dai_name = name; 383 ddata->master_dai = snd_soc_find_dai(&dlc); 384 of_node_put(master); 385 if (!ddata->master_dai) 386 return -EPROBE_DEFER; 387 388 dev_info(component->dev, "Master DAI is %s\n", 389 dev_name(ddata->master_dai->dev)); 390 391 return 0; 392 } 393 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org