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Subject: Re: sound/soc/ti/j721e-evm.c:528:34: warning: unused variable
 'j721e_audio_of_match'
To:     kernel test robot <lkp@intel.com>
CC:     <kbuild-all@lists.01.org>, <clang-built-linux@googlegroups.com>,
        <linux-kernel@vger.kernel.org>, Mark Brown <broonie@kernel.org>
References: <202009271553.4OjMpGkX%lkp@intel.com>
From:   Peter Ujfalusi <peter.ujfalusi@ti.com>
Message-ID: <76cae106-b643-57a9-e82e-48e46ebf1b70@ti.com>
Date:   Mon, 28 Sep 2020 10:27:57 +0300
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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 m=
achine 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 a8=
3eb048cb9a75da7a07a9d5318bbdbf54885c87)
> reproduce (this is a W=3D1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/s=
bin/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/linu=
x.git/commit/?id=3D6748d05590594837e42dfa975879fb275099f0b2
>         git remote add linus https://git.kernel.org/pub/scm/linux/kerne=
l/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout 6748d05590594837e42dfa975879fb275099f0b2
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dclang make.cross =
ARCH=3Dx86_64=20
>=20
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>=20
> All warnings (new ones prefixed by >>):
>=20
>>> sound/soc/ti/j721e-evm.c:528:34: warning: unused variable 'j721e_audi=
o_of_match' [-Wunused-const-variable]
>    static const struct of_device_id j721e_audio_of_match[] =3D {
>                                     ^
>    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
>=20
>    527=09
>  > 528	static const struct of_device_id j721e_audio_of_match[] =3D {
>    529		{
>    530			.compatible =3D "ti,j721e-cpb-audio",
>    531			.data =3D &j721e_cpb_data,
>    532		}, {
>    533			.compatible =3D "ti,j721e-cpb-ivi-audio",
>    534			.data =3D &j721e_cpb_ivi_data,
>    535		},
>    536		{ },
>    537	};
>    538	MODULE_DEVICE_TABLE(of, j721e_audio_of_match);
>    539=09
>=20
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
>=20

- P=E9ter

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