Re: sound/soc/ti/j721e-evm.c:528:34: warning: unused variable 'j721e_audio_of_match'

[Peter Ujfalusi]

On 27/09/2020 10.27, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   a1bffa48745afbb54cb4f873bba783b2ae8be042
> commit: 6748d05590594837e42dfa975879fb275099f0b2 ASoC: ti: Add custom machine driver for j721e EVM (CPB and IVI)
> date:   3 months ago
> config: x86_64-randconfig-r033-20200927 (attached as .config)
> compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a83eb048cb9a75da7a07a9d5318bbdbf54885c87)
> 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
>         # install x86_64 cross compiling tool for clang build
>         # apt-get install binutils-x86-64-linux-gnu
>         # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6748d05590594837e42dfa975879fb275099f0b2
>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout 6748d05590594837e42dfa975879fb275099f0b2
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> 
> All warnings (new ones prefixed by >>):
> 
>>> sound/soc/ti/j721e-evm.c:528:34: warning: unused variable 'j721e_audio_of_match' [-Wunused-const-variable]
>    static const struct of_device_id j721e_audio_of_match[] = {
>                                     ^
>    1 warning generated.

Right, in the attached .config:
# CONFIG_OF is not set

There must be a clean way to handle this without extensive ifedfery...

> vim +/j721e_audio_of_match +528 sound/soc/ti/j721e-evm.c
> 
>    527	
>  > 528	static const struct of_device_id j721e_audio_of_match[] = {
>    529		{
>    530			.compatible = "ti,j721e-cpb-audio",
>    531			.data = &j721e_cpb_data,
>    532		}, {
>    533			.compatible = "ti,j721e-cpb-ivi-audio",
>    534			.data = &j721e_cpb_ivi_data,
>    535		},
>    536		{ },
>    537	};
>    538	MODULE_DEVICE_TABLE(of, j721e_audio_of_match);
>    539	
> 
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
> 

- Péter

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