Re: [PATCH v1 2/2] ASoC: starfive: Add drivers of Cadence Multi-Channel I2S Controller

[kernel test robot]

Hi Xingyu,

kernel test robot noticed the following build warnings:

[auto build test WARNING on broonie-sound/for-next]
[also build test WARNING on robh/for-next linus/master v6.7-rc6 next-20231222]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Xingyu-Wu/dt-bindings-ASoC-Add-Cadence-I2S-controller-for-StarFive-JH8100-SoC/20231222-172628
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
patch link:    https://lore.kernel.org/r/20231221033223.73201-3-xingyu.wu%40starfivetech.com
patch subject: [PATCH v1 2/2] ASoC: starfive: Add drivers of Cadence Multi-Channel I2S Controller
config: sparc64-randconfig-r071-20231223 (https://download.01.org/0day-ci/archive/20231223/202312231911.DFYqQ9Gl-lkp@xxxxxxxxx/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231223/202312231911.DFYqQ9Gl-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312231911.DFYqQ9Gl-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   In file included from sound/soc/starfive/cdns-jh8100-i2s.c:18:
>> sound/soc/starfive/cdns-jh8100-i2s.h:163:6: warning: no previous prototype for 'cdns_jh8100_i2s_pcm_push_tx' [-Wmissing-prototypes]
     163 | void cdns_jh8100_i2s_pcm_push_tx(struct cdns_jh8100_i2s_dev *dev) { }
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> sound/soc/starfive/cdns-jh8100-i2s.h:164:6: warning: no previous prototype for 'cdns_jh8100_i2s_pcm_pop_rx' [-Wmissing-prototypes]
     164 | void cdns_jh8100_i2s_pcm_pop_rx(struct cdns_jh8100_i2s_dev *dev) { }
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> sound/soc/starfive/cdns-jh8100-i2s.h:165:5: warning: no previous prototype for 'cdns_jh8100_i2s_pcm_register' [-Wmissing-prototypes]
     165 | int cdns_jh8100_i2s_pcm_register(struct platform_device *pdev)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/cdns_jh8100_i2s_pcm_push_tx +163 sound/soc/starfive/cdns-jh8100-i2s.h

   157	
   158	#if IS_ENABLED(CONFIG_SND_SOC_JH8100_CADENCE_I2S_PCM)
   159	void cdns_jh8100_i2s_pcm_push_tx(struct cdns_jh8100_i2s_dev *dev);
   160	void cdns_jh8100_i2s_pcm_pop_rx(struct cdns_jh8100_i2s_dev *dev);
   161	int cdns_jh8100_i2s_pcm_register(struct platform_device *pdev);
   162	#else
 > 163	void cdns_jh8100_i2s_pcm_push_tx(struct cdns_jh8100_i2s_dev *dev) { }
 > 164	void cdns_jh8100_i2s_pcm_pop_rx(struct cdns_jh8100_i2s_dev *dev) { }
 > 165	int cdns_jh8100_i2s_pcm_register(struct platform_device *pdev)
   166	{
   167		return -EINVAL;
   168	}
   169	#endif
   170	

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