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Date: Fri, 11 Feb 2022 15:18:21 +0800
From: kernel test robot <lkp@...el.com>
To: Daniel Baluta <daniel.baluta@....com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: [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-lkp@intel.com/config)
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/6324cf901e14c6662be508f30485e0f09c54694d
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@...el.com>
All warnings (new ones prefixed by >>):
>> sound/soc/sof/compress.c:91:5: warning: no previous prototype for function 'sof_compr_open' [-Wmissing-prototypes]
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
>> sound/soc/sof/compress.c:127:5: warning: no previous prototype for function 'sof_compr_free' [-Wmissing-prototypes]
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
>> sound/soc/sof/compress.c:161:5: warning: no previous prototype for function 'sof_compr_set_params' [-Wmissing-prototypes]
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
>> sound/soc/sof/compress.c:224:5: warning: no previous prototype for function 'sof_compr_get_params' [-Wmissing-prototypes]
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
>> sound/soc/sof/compress.c:233:5: warning: no previous prototype for function 'sof_compr_trigger' [-Wmissing-prototypes]
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
>> sound/soc/sof/compress.c:273:5: warning: no previous prototype for function 'sof_compr_copy' [-Wmissing-prototypes]
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
> 91 int sof_compr_open(struct snd_soc_component *component,
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
> 127 int sof_compr_free(struct snd_soc_component *component,
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
> 161 int sof_compr_set_params(struct snd_soc_component *component,
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
> 224 int sof_compr_get_params(struct snd_soc_component *component,
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
> 233 int sof_compr_trigger(struct snd_soc_component *component,
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
> 273 int sof_compr_copy(struct snd_soc_component *component,
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
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