Re: [alsa-devel] [RESEND PATCH v5 2/6] ASoC: amd: Refactoring of DAI from DMA driver

From: kbuild test robot
Date: Wed Nov 13 2019 - 11:37:25 EST


Hi Ravulapati,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on asoc/for-next]
[also build test WARNING on next-20191113]
[cannot apply to v5.4-rc7]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url: https://github.com/0day-ci/linux/commits/Ravulapati-Vishnu-vardhan-rao/ASoC-amd-Create-multiple-I2S-platform-device-Endpoint/20191113-230604
base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
config: x86_64-randconfig-h001-20191113 (attached as .config)
compiler: gcc-7 (Debian 7.4.0-14) 7.4.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

sound/soc/amd/raven/acp3x-pcm-dma.c: In function 'acp3x_dma_open':
>> sound/soc/amd/raven/acp3x-pcm-dma.c:268:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
struct i2s_dev_data *adata = dev_get_drvdata(component->dev);
^~~~~~
sound/soc/amd/raven/acp3x-pcm-dma.c: In function 'acp3x_dma_new':
sound/soc/amd/raven/acp3x-pcm-dma.c:352:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
struct device *parent = component->dev->parent;
^~~~~~
sound/soc/amd/raven/acp3x-pcm-dma.c: In function 'acp3x_dma_close':
sound/soc/amd/raven/acp3x-pcm-dma.c:377:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
struct i2s_dev_data *adata = dev_get_drvdata(component->dev);
^~~~~~

vim +268 sound/soc/amd/raven/acp3x-pcm-dma.c

0b87d6bcd6482b Vijendar Mukunda 2018-11-12 259
f52368f36443b4 Kuninori Morimoto 2019-10-02 260 static int acp3x_dma_open(struct snd_soc_component *component,
f52368f36443b4 Kuninori Morimoto 2019-10-02 261 struct snd_pcm_substream *substream)
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 262 {
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 263 int ret = 0;
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 264 struct snd_pcm_runtime *runtime = substream->runtime;
74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 265 struct snd_soc_pcm_runtime *prtd = substream->private_data;
74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 266
74480eceed0f95 Ravulapati Vishnu vardhan rao 2019-11-13 267 component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 @268 struct i2s_dev_data *adata = dev_get_drvdata(component->dev);
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 269 struct i2s_stream_instance *i2s_data = kzalloc(sizeof(struct i2s_stream_instance),
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 270 GFP_KERNEL);
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 271 if (!i2s_data)
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 272 return -EINVAL;
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 273
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 274 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 275 runtime->hw = acp3x_pcm_hardware_playback;
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 276 else
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 277 runtime->hw = acp3x_pcm_hardware_capture;
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 278
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 279 ret = snd_pcm_hw_constraint_integer(runtime,
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 280 SNDRV_PCM_HW_PARAM_PERIODS);
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 281 if (ret < 0) {
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 282 dev_err(component->dev, "set integer constraint failed\n");
46dce404265975 Colin Ian King 2018-11-14 283 kfree(i2s_data);
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 284 return ret;
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 285 }
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 286
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 287 if (!adata->play_stream && !adata->capture_stream)
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 288 rv_writel(1, adata->acp3x_base + mmACP_EXTERNAL_INTR_ENB);
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 289
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 290 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 291 adata->play_stream = substream;
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 292 else
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 293 adata->capture_stream = substream;
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 294
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 295 i2s_data->acp3x_base = adata->acp3x_base;
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 296 runtime->private_data = i2s_data;
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 297 return 0;
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 298 }
0b87d6bcd6482b Vijendar Mukunda 2018-11-12 299

:::::: The code at line 268 was first introduced by commit
:::::: 0b87d6bcd6482b4502d8fd21561380981dad501f ASoC: amd: add acp3x pcm driver dma ops

:::::: TO: Vijendar Mukunda <Vijendar.Mukunda@xxxxxxx>
:::::: CC: Mark Brown <broonie@xxxxxxxxxx>

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