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SubjectRe: sound/soc/ti/j721e-evm.c:528:34: warning: unused variable 'j721e_audio_of_match'
On Mon, Sep 28, 2020 at 12:27 AM 'Peter Ujfalusi' via Clang Built
Linux <clang-built-linux@googlegroups.com> wrote:
>
>
>
> 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@intel.com>
> >
> > 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...

Pretty sure I just saw a patch go by wrapping another device table
definition in #ifdef CONFIG_OF, so it's not unusual.

>
> > 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@lists.01.org
> >
>
> - Péter
>
> Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
> Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
>
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--
Thanks,
~Nick Desaulniers

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