tree: https://github.com/thesofproject/linux pr/2371 head: caaa61b2dbc327075d31dce1e30c5be6e9271c3e commit: caaa61b2dbc327075d31dce1e30c5be6e9271c3e [4/4] ASoC: SOF: sof-audio: Add helpers to set up and destroy a pipeline config: arm64-sof-customedconfig-sof-defconfig (attached as .config) compiler: aarch64-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 caaa61b2dbc327075d31dce1e30c5be6e9271c3e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): sound/soc/sof/sof-audio.c: In function 'sof_restore_pipelines': sound/soc/sof/sof-audio.c:518:9: warning: unused variable 'ipc_size' [-Wunused-variable] 518 | size_t ipc_size; | ^~~~~~~~ sound/soc/sof/sof-audio.c: In function 'sof_pcm_pipeline_set_up': 139 | } | ^ sound/soc/sof/sof-audio.c: In function 'sof_pcm_pipeline_destroy': sound/soc/sof/sof-audio.c:206:1: warning: control reaches end of non-void function [-Wreturn-type] 206 | } | ^ # https://github.com/thesofproject/linux/commit/caaa61b2dbc327075d31dce1e30... git remote add linux-sof-driver https://github.com/thesofproject/linux git fetch --no-tags linux-sof-driver pr/2371 git checkout caaa61b2dbc327075d31dce1e30c5be6e9271c3e vim +139 sound/soc/sof/sof-audio.c 96 97 int sof_pcm_pipeline_set_up(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir) 98 { 99 struct snd_sof_route_list *route_list = spcm->stream[dir].route_list; 100 struct snd_sof_widget *pipeline_widget = route_list->pipeline_widget; 101 int ret, i; 102 103 if (!route_list) 104 return -ENOENT; 105 106 /* set up pipeline widget */ 107 ret = sof_widget_setup(sdev, pipeline_widget); 108 if (ret < 0) 109 return ret; 110 111 /* set up widgets and routes as we walk the list */ 112 for (i = 0; i < route_list->num_widgets; i++) { 113 struct snd_sof_widget *swidget = route_list->widgets[i]; 114 115 ret = sof_widget_setup(sdev, swidget); 116 if (ret < 0) 117 return ret; 118 119 /* set up the route with the previous widget */ 120 if (i > 0) { 121 struct snd_sof_widget *wsink, *wsource; 122 123 if (dir == SNDRV_PCM_STREAM_PLAYBACK) { 124 wsink = swidget; 125 wsource = route_list->widgets[i - 1]; 126 } else { 127 wsource = swidget; 128 wsink = route_list->widgets[i - 1]; 129 } 130 131 ret = sof_route_set_up(sdev, wsource, wsink); 132 if (ret < 0) 133 return ret; 134 } 135 } 136 137 /* complete pipeline */ 138 pipeline_widget->complete = snd_sof_complete_pipeline(sdev->dev, pipeline_widget); 140 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org