[freescale-fslc:5.10-2.1.x-imx 6160/15840] sound/soc/sof/imx/imx8.c:471:5: warning: no previous prototype for 'imx8_suspend'

[freescale-fslc:5.10-2.1.x-imx 6160/15840] sound/soc/sof/imx/imx8.c:471:5: warning: no previous prototype for 'imx8_suspend'

[kernel test robot]

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tree:   https://github.com/Freescale/linux-fslc 5.10-2.1.x-imx
head:   c0604ebbd45934a2c42df8382b674244d1963fa2
commit: c1af3c3291ab07d8f0093cea0e7e6f2ba340ffec [6160/15840] LF-3218-1 ASoC: SOF: imx: Fix PM sleep
config: ia64-allyesconfig (https://download.01.org/0day-ci/archive/20211204/202112041716.sslkT5YI-lkp(a)intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.2.0
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
        # https://github.com/Freescale/linux-fslc/commit/c1af3c3291ab07d8f0093cea0e7e6f2ba340ffec
        git remote add freescale-fslc https://github.com/Freescale/linux-fslc
        git fetch --no-tags freescale-fslc 5.10-2.1.x-imx
        git checkout c1af3c3291ab07d8f0093cea0e7e6f2ba340ffec
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash sound/soc/codecs/ sound/soc/sof/imx/

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

All warnings (new ones prefixed by >>):

>> sound/soc/sof/imx/imx8.c:471:5: warning: no previous prototype for 'imx8_suspend' [-Wmissing-prototypes]
     471 | int imx8_suspend(struct snd_sof_dev *sdev)
         |     ^~~~~~~~~~~~
>> sound/soc/sof/imx/imx8.c:484:5: warning: no previous prototype for 'imx8_resume' [-Wmissing-prototypes]
     484 | int imx8_resume(struct snd_sof_dev *sdev)
         |     ^~~~~~~~~~~
   sound/soc/sof/imx/imx8.c:497:5: warning: no previous prototype for 'imx8_dsp_runtime_resume' [-Wmissing-prototypes]
     497 | int imx8_dsp_runtime_resume(struct snd_sof_dev *sdev)
         |     ^~~~~~~~~~~~~~~~~~~~~~~
   sound/soc/sof/imx/imx8.c:509:5: warning: no previous prototype for 'imx8_dsp_runtime_suspend' [-Wmissing-prototypes]
     509 | int imx8_dsp_runtime_suspend(struct snd_sof_dev *sdev)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~
   sound/soc/sof/imx/imx8.c:522:5: warning: no previous prototype for 'imx8_dsp_suspend' [-Wmissing-prototypes]
     522 | int imx8_dsp_suspend(struct snd_sof_dev *sdev, unsigned int target_state)
         |     ^~~~~~~~~~~~~~~~
   sound/soc/sof/imx/imx8.c:535:5: warning: no previous prototype for 'imx8_dsp_resume' [-Wmissing-prototypes]
     535 | int imx8_dsp_resume(struct snd_sof_dev *sdev)
         |     ^~~~~~~~~~~~~~~
   sound/soc/sof/imx/imx8.c:580:5: warning: no previous prototype for 'imx8_dsp_set_power_state' [-Wmissing-prototypes]
     580 | int imx8_dsp_set_power_state(struct snd_sof_dev *sdev,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~
   In file included from include/sound/asound.h:24,
                    from include/sound/pcm.h:11,
                    from include/sound/soc.h:23,
                    from include/sound/sof.h:15,
                    from sound/soc/sof/imx/imx8.c:17:
   include/uapi/sound/asound.h:281:41: warning: initialized field overwritten [-Woverride-init]
     281 | #define SNDRV_PCM_INFO_MMAP             0x00000001      /* hardware supports mmap */
         |                                         ^~~~~~~~~~
   sound/soc/sof/imx/imx8.c:644:25: note: in expansion of macro 'SNDRV_PCM_INFO_MMAP'
     644 |         .hw_info =      SNDRV_PCM_INFO_MMAP |
         |                         ^~~~~~~~~~~~~~~~~~~
   include/uapi/sound/asound.h:281:41: note: (near initialization for 'sof_imx8_ops.hw_info')
     281 | #define SNDRV_PCM_INFO_MMAP             0x00000001      /* hardware supports mmap */
         |                                         ^~~~~~~~~~
   sound/soc/sof/imx/imx8.c:644:25: note: in expansion of macro 'SNDRV_PCM_INFO_MMAP'
     644 |         .hw_info =      SNDRV_PCM_INFO_MMAP |
         |                         ^~~~~~~~~~~~~~~~~~~


vim +/imx8_suspend +471 sound/soc/sof/imx/imx8.c

   470	
 > 471	int imx8_suspend(struct snd_sof_dev *sdev)
   472	{
   473		int i;
   474		struct imx8_priv *priv = (struct imx8_priv *)sdev->pdata->hw_pdata;
   475	
   476		for (i = 0; i < DSP_MU_CHAN_NUM; i++)
   477			imx_dsp_free_channel(priv->dsp_ipc, i);
   478	
   479		imx8_disable_clocks(priv->sdev);
   480	
   481		return 0;
   482	}
   483	
 > 484	int imx8_resume(struct snd_sof_dev *sdev)
   485	{
   486		struct imx8_priv *priv = (struct imx8_priv *)sdev->pdata->hw_pdata;
   487		int i;
   488	
   489		imx8_prepare_clocks(sdev);
   490	
   491		for (i = 0; i < DSP_MU_CHAN_NUM; i++)
   492			imx_dsp_request_channel(priv->dsp_ipc, i);
   493	
   494		return 0;
   495	}
   496	

---
0-DAY CI Kernel Test Service, Intel Corporation
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