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* sound/soc/fsl/imx-pcm-rpmsg.c:164:43: sparse: sparse: incorrect type in assignment (different base types)
@ 2021-05-01 17:36 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-05-01 17:36 UTC (permalink / raw)
  To: Shengjiu Wang; +Cc: kbuild-all, linux-kernel, Mark Brown

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9f67672a817ec046f7554a885f0fe0d60e1bf99f
commit: 39f8405c3e502e7b9d0533fa0b0bfe715b3e89c1 ASoC: imx-rpmsg: Add machine driver for audio base on rpmsg
date:   5 weeks ago
config: openrisc-randconfig-s032-20210502 (attached as .config)
compiler: or1k-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=39f8405c3e502e7b9d0533fa0b0bfe715b3e89c1
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 39f8405c3e502e7b9d0533fa0b0bfe715b3e89c1
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=openrisc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> sound/soc/fsl/imx-pcm-rpmsg.c:164:43: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned char format @@     got restricted snd_pcm_format_t [usertype] @@
   sound/soc/fsl/imx-pcm-rpmsg.c:164:43: sparse:     expected unsigned char format
   sound/soc/fsl/imx-pcm-rpmsg.c:164:43: sparse:     got restricted snd_pcm_format_t [usertype]
   sound/soc/fsl/imx-pcm-rpmsg.c:167:43: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned char format @@     got restricted snd_pcm_format_t [usertype] @@
   sound/soc/fsl/imx-pcm-rpmsg.c:167:43: sparse:     expected unsigned char format
   sound/soc/fsl/imx-pcm-rpmsg.c:167:43: sparse:     got restricted snd_pcm_format_t [usertype]

vim +164 sound/soc/fsl/imx-pcm-rpmsg.c

3c00eceb2a5391 Shengjiu Wang 2021-03-12  136  
3c00eceb2a5391 Shengjiu Wang 2021-03-12  137  static int imx_rpmsg_pcm_hw_params(struct snd_soc_component *component,
3c00eceb2a5391 Shengjiu Wang 2021-03-12  138  				   struct snd_pcm_substream *substream,
3c00eceb2a5391 Shengjiu Wang 2021-03-12  139  				   struct snd_pcm_hw_params *params)
3c00eceb2a5391 Shengjiu Wang 2021-03-12  140  {
3c00eceb2a5391 Shengjiu Wang 2021-03-12  141  	struct rpmsg_info *info = dev_get_drvdata(component->dev);
3c00eceb2a5391 Shengjiu Wang 2021-03-12  142  	struct snd_pcm_runtime *runtime = substream->runtime;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  143  	struct rpmsg_msg *msg;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  144  	int ret = 0;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  145  
3c00eceb2a5391 Shengjiu Wang 2021-03-12  146  	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
3c00eceb2a5391 Shengjiu Wang 2021-03-12  147  		msg = &info->msg[TX_HW_PARAM];
3c00eceb2a5391 Shengjiu Wang 2021-03-12  148  		msg->s_msg.header.cmd = TX_HW_PARAM;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  149  	} else {
3c00eceb2a5391 Shengjiu Wang 2021-03-12  150  		msg = &info->msg[RX_HW_PARAM];
3c00eceb2a5391 Shengjiu Wang 2021-03-12  151  		msg->s_msg.header.cmd = RX_HW_PARAM;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  152  	}
3c00eceb2a5391 Shengjiu Wang 2021-03-12  153  
3c00eceb2a5391 Shengjiu Wang 2021-03-12  154  	msg->s_msg.param.rate = params_rate(params);
3c00eceb2a5391 Shengjiu Wang 2021-03-12  155  
3c00eceb2a5391 Shengjiu Wang 2021-03-12  156  	switch (params_format(params)) {
3c00eceb2a5391 Shengjiu Wang 2021-03-12  157  	case SNDRV_PCM_FORMAT_S16_LE:
3c00eceb2a5391 Shengjiu Wang 2021-03-12  158  		msg->s_msg.param.format   = RPMSG_S16_LE;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  159  		break;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  160  	case SNDRV_PCM_FORMAT_S24_LE:
3c00eceb2a5391 Shengjiu Wang 2021-03-12  161  		msg->s_msg.param.format   = RPMSG_S24_LE;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  162  		break;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  163  	case SNDRV_PCM_FORMAT_DSD_U16_LE:
3c00eceb2a5391 Shengjiu Wang 2021-03-12 @164  		msg->s_msg.param.format   = SNDRV_PCM_FORMAT_DSD_U16_LE;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  165  		break;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  166  	case SNDRV_PCM_FORMAT_DSD_U32_LE:
3c00eceb2a5391 Shengjiu Wang 2021-03-12  167  		msg->s_msg.param.format   = SNDRV_PCM_FORMAT_DSD_U32_LE;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  168  		break;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  169  	default:
3c00eceb2a5391 Shengjiu Wang 2021-03-12  170  		msg->s_msg.param.format   = RPMSG_S32_LE;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  171  		break;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  172  	}
3c00eceb2a5391 Shengjiu Wang 2021-03-12  173  
3c00eceb2a5391 Shengjiu Wang 2021-03-12  174  	switch (params_channels(params)) {
3c00eceb2a5391 Shengjiu Wang 2021-03-12  175  	case 1:
3c00eceb2a5391 Shengjiu Wang 2021-03-12  176  		msg->s_msg.param.channels = RPMSG_CH_LEFT;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  177  		break;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  178  	case 2:
3c00eceb2a5391 Shengjiu Wang 2021-03-12  179  		msg->s_msg.param.channels = RPMSG_CH_STEREO;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  180  		break;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  181  	default:
3c00eceb2a5391 Shengjiu Wang 2021-03-12  182  		ret = -EINVAL;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  183  		break;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  184  	}
3c00eceb2a5391 Shengjiu Wang 2021-03-12  185  
3c00eceb2a5391 Shengjiu Wang 2021-03-12  186  	snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
3c00eceb2a5391 Shengjiu Wang 2021-03-12  187  	runtime->dma_bytes = params_buffer_bytes(params);
3c00eceb2a5391 Shengjiu Wang 2021-03-12  188  
3c00eceb2a5391 Shengjiu Wang 2021-03-12  189  	info->send_message(msg, info);
3c00eceb2a5391 Shengjiu Wang 2021-03-12  190  
3c00eceb2a5391 Shengjiu Wang 2021-03-12  191  	return ret;
3c00eceb2a5391 Shengjiu Wang 2021-03-12  192  }
3c00eceb2a5391 Shengjiu Wang 2021-03-12  193  

:::::: The code at line 164 was first introduced by commit
:::::: 3c00eceb2a5391ed1ca6703b71cad35ab8cd4352 ASoC: imx-pcm-rpmsg: Add platform driver for audio base on rpmsg

:::::: TO: Shengjiu Wang <shengjiu.wang@nxp.com>
:::::: CC: Mark Brown <broonie@kernel.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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