[android-common:android-4.19-stable 20483/24059] sound/soc/soc-core.c:761:27: warning: no previous prototype for 'soc_find_component_locked'

[android-common:android-4.19-stable 20483/24059] sound/soc/soc-core.c:761:27: warning: no previous prototype for 'soc_find_component_locked'

[kernel test robot]

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tree:   https://android.googlesource.com/kernel/common android-4.19-stable
head:   45c480b553c90178bf1cc30fd9054c75a31bf599
commit: 75fe91933be2dd4b884ca83bd72e1e0f0d05cfc6 [20483/24059] ANDROID: ASoC: core: add locked version of soc_find_component
config: i386-randconfig-a001-20210929 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        git remote add android-common https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common android-4.19-stable
        git checkout 75fe91933be2dd4b884ca83bd72e1e0f0d05cfc6
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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/soc-core.c:761:27: warning: no previous prototype for 'soc_find_component_locked' [-Wmissing-prototypes]
     761 | struct snd_soc_component *soc_find_component_locked(
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~
   sound/soc/soc-core.c:2971: warning: Excess function parameter 'legacy_dai_naming' description in 'snd_soc_register_dais'
   sound/soc/soc-core.c:3333: warning: Function parameter or member 'online' not described in 'snd_soc_card_change_online_state'


vim +/soc_find_component_locked +761 sound/soc/soc-core.c

   750	
   751	/**
   752	 * soc_find_component_locked: soc_find_component with client lock acquired
   753	 *
   754	 * @of_node: of_node of the component to query.
   755	 * @name: name of the component to query.
   756	 *
   757	 * function to find out if a component is already registered with ASoC core.
   758	 *
   759	 * Returns component handle for success, else NULL error.
   760	 */
 > 761	struct snd_soc_component *soc_find_component_locked(
   762		const struct device_node *of_node, const char *name)
   763	{
   764		struct snd_soc_component *component = NULL;
   765	
   766		mutex_lock(&client_mutex);
   767		component = soc_find_component(of_node, name);
   768		mutex_unlock(&client_mutex);
   769		return component;
   770	}
   771	EXPORT_SYMBOL(soc_find_component_locked);
   772	

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

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