[kbuild-all] [ammarfaizi2-block:broonie/sound/for-next 33/44] sound/soc/sof/compress.c:91:5: warning: no previous prototype for function 'sof_compr_open'

tree: https://github.com/ammarfaizi2/linux-block broonie/sound/for-next head: 9193bc0558d1812343039b510797b669f054efc5 commit: 6324cf901e14c6662be508f30485e0f09c54694d [33/44] ASoC: SOF: compr: Add compress ops implementation config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20220211/202202111513.hHDovgro-lk...) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project f6685f774697c85d6a352dcea013f46a99f9fe31) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/ammarfaizi2/linux-block/commit/6324cf901e14c6662be508f... git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block broonie/sound/for-next git checkout 6324cf901e14c6662be508f30485e0f09c54694d # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash sound/soc/sof/ 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 >>): int sof_compr_open(struct snd_soc_component *component, ^ sound/soc/sof/compress.c:91:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int sof_compr_open(struct snd_soc_component *component, ^ static int sof_compr_free(struct snd_soc_component *component, ^ sound/soc/sof/compress.c:127:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int sof_compr_free(struct snd_soc_component *component, ^ static int sof_compr_set_params(struct snd_soc_component *component, ^ sound/soc/sof/compress.c:161:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int sof_compr_set_params(struct snd_soc_component *component, ^ static int sof_compr_get_params(struct snd_soc_component *component, ^ sound/soc/sof/compress.c:224:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int sof_compr_get_params(struct snd_soc_component *component, ^ static int sof_compr_trigger(struct snd_soc_component *component, ^ sound/soc/sof/compress.c:233:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int sof_compr_trigger(struct snd_soc_component *component, ^ static int sof_compr_copy(struct snd_soc_component *component, ^ sound/soc/sof/compress.c:273:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int sof_compr_copy(struct snd_soc_component *component, ^ static 6 warnings generated. vim +/sof_compr_open +91 sound/soc/sof/compress.c 90 92 struct snd_compr_stream *cstream) 93 { 94 struct snd_soc_pcm_runtime *rtd = cstream->private_data; 95 struct snd_compr_runtime *crtd = cstream->runtime; 96 struct snd_compr_tstamp *tstamp; 97 struct snd_sof_pcm *spcm; 98 int dir; 99 100 tstamp = kzalloc(sizeof(*tstamp), GFP_KERNEL); 101 if (!tstamp) 102 return -ENOMEM; 103 104 spcm = snd_sof_find_spcm_dai(component, rtd); 105 if (!spcm) { 106 kfree(tstamp); 107 return -EINVAL; 108 } 109 110 dir = cstream->direction; 111 112 if (spcm->stream[dir].cstream) { 113 kfree(tstamp); 114 return -EBUSY; 115 } 116 117 spcm->stream[dir].cstream = cstream; 118 spcm->stream[dir].posn.host_posn = 0; 119 spcm->stream[dir].posn.dai_posn = 0; 120 spcm->prepared[dir] = false; 121 122 crtd->private_data = tstamp; 123 124 return 0; 125 } 126 128 struct snd_compr_stream *cstream) 129 { 130 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); 131 struct snd_compr_tstamp *tstamp = cstream->runtime->private_data; 132 struct snd_soc_pcm_runtime *rtd = cstream->private_data; 133 struct sof_ipc_stream stream; 134 struct sof_ipc_reply reply; 135 struct snd_sof_pcm *spcm; 136 int ret = 0; 137 138 spcm = snd_sof_find_spcm_dai(component, rtd); 139 if (!spcm) 140 return -EINVAL; 141 142 stream.hdr.size = sizeof(stream); 143 stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_FREE; 144 stream.comp_id = spcm->stream[cstream->direction].comp_id; 145 146 if (spcm->prepared[cstream->direction]) { 147 ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, 148 &stream, sizeof(stream), 149 &reply, sizeof(reply)); 150 if (!ret) 151 spcm->prepared[cstream->direction] = false; 152 } 153 154 cancel_work_sync(&spcm->stream[cstream->direction].period_elapsed_work); 155 spcm->stream[cstream->direction].cstream = NULL; 156 kfree(tstamp); 157 158 return ret; 159 } 160 162 struct snd_compr_stream *cstream, struct snd_compr_params *params) 163 { 164 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); 165 struct snd_soc_pcm_runtime *rtd = cstream->private_data; 166 struct snd_compr_runtime *crtd = cstream->runtime; 167 struct sof_ipc_pcm_params_reply ipc_params_reply; 168 struct snd_compr_tstamp *tstamp; 169 struct sof_ipc_pcm_params pcm; 170 struct snd_sof_pcm *spcm; 171 int ret; 172 173 tstamp = crtd->private_data; 174 175 spcm = snd_sof_find_spcm_dai(component, rtd); 176 177 if (!spcm) 178 return -EINVAL; 179 180 cstream->dma_buffer.dev.type = SNDRV_DMA_TYPE_DEV_SG; 181 cstream->dma_buffer.dev.dev = sdev->dev; 182 ret = snd_compr_malloc_pages(cstream, crtd->buffer_size); 183 if (ret < 0) 184 return ret; 185 186 ret = create_page_table(component, cstream, crtd->dma_area, crtd->dma_bytes); 187 if (ret < 0) 188 return ret; 189 190 memset(&pcm, 0, sizeof(pcm)); 191 192 pcm.params.buffer.pages = PFN_UP(crtd->dma_bytes); 193 pcm.hdr.size = sizeof(pcm); 194 pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS; 195 196 pcm.comp_id = spcm->stream[cstream->direction].comp_id; 197 pcm.params.hdr.size = sizeof(pcm.params); 198 pcm.params.buffer.phy_addr = spcm->stream[cstream->direction].page_table.addr; 199 pcm.params.buffer.size = crtd->dma_bytes; 200 pcm.params.direction = cstream->direction; 201 pcm.params.channels = params->codec.ch_out; 202 pcm.params.rate = params->codec.sample_rate; 203 pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED; 204 pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE; 205 pcm.params.sample_container_bytes = 206 snd_pcm_format_physical_width(SNDRV_PCM_FORMAT_S32) >> 3; 207 pcm.params.host_period_bytes = params->buffer.fragment_size; 208 209 ret = sof_ipc_tx_message(sdev->ipc, pcm.hdr.cmd, &pcm, sizeof(pcm), 210 &ipc_params_reply, sizeof(ipc_params_reply)); 211 if (ret < 0) { 212 dev_err(component->dev, "error ipc failed\n"); 213 return ret; 214 } 215 216 tstamp->byte_offset = sdev->stream_box.offset + ipc_params_reply.posn_offset; 217 tstamp->sampling_rate = params->codec.sample_rate; 218 219 spcm->prepared[cstream->direction] = true; 220 221 return 0; 222 } 223 225 struct snd_compr_stream *cstream, struct snd_codec *params) 226 { 227 /* TODO: we don't query the supported codecs for now, if the 228 * application asks for an unsupported codec the set_params() will fail. 229 */ 230 return 0; 231 } 232 234 struct snd_compr_stream *cstream, int cmd) 235 { 236 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); 237 struct snd_soc_pcm_runtime *rtd = cstream->private_data; 238 struct sof_ipc_stream stream; 239 struct sof_ipc_reply reply; 240 struct snd_sof_pcm *spcm; 241 242 spcm = snd_sof_find_spcm_dai(component, rtd); 243 if (!spcm) 244 return -EINVAL; 245 246 stream.hdr.size = sizeof(stream); 247 stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG; 248 stream.comp_id = spcm->stream[cstream->direction].comp_id; 249 250 switch (cmd) { 251 case SNDRV_PCM_TRIGGER_START: 252 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_START; 253 break; 254 case SNDRV_PCM_TRIGGER_STOP: 255 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_STOP; 256 break; 257 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 258 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_PAUSE; 259 break; 260 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 261 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_RELEASE; 262 break; 263 default: 264 dev_err(component->dev, "error: unhandled trigger cmd %d\n", cmd); 265 break; 266 } 267 268 return sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, 269 &stream, sizeof(stream), 270 &reply, sizeof(reply)); 271 } 272 274 struct snd_compr_stream *cstream, 275 char __user *buf, size_t count) 276 { 277 struct snd_compr_runtime *rtd = cstream->runtime; 278 unsigned int offset, n; 279 void *ptr; 280 int ret; 281 282 if (count > rtd->buffer_size) 283 count = rtd->buffer_size; 284 285 div_u64_rem(rtd->total_bytes_available, rtd->buffer_size, &offset); 286 ptr = rtd->dma_area + offset; 287 n = rtd->buffer_size - offset; 288 289 if (count < n) { 290 ret = copy_from_user(ptr, buf, count); 291 } else { 292 ret = copy_from_user(ptr, buf, n); 293 ret += copy_from_user(rtd->dma_area, buf + n, count - n); 294 } 295 296 return count - ret; 297 } 298 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org