linux-kernel - Re: drivers/media/platform/atmel/atmel-sama5d2-isc.c:323:34: warning: unused variable 'atmel_isc_of

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Date:   Fri, 12 Jun 2020 11:19:48 +0000
From:   <Eugen.Hristev@...rochip.com>
To:     <linux-media@...r.kernel.org>
CC:     <lkp@...el.com>, <kbuild-all@...ts.01.org>,
        <clang-built-linux@...glegroups.com>,
        <linux-kernel@...r.kernel.org>, <mchehab@...nel.org>,
        <hverkuil@...all.nl>
Subject: Re: drivers/media/platform/atmel/atmel-sama5d2-isc.c:323:34: warning:
 unused variable 'atmel_isc_of_match'

On 12.06.2020 09:02, kernel test robot wrote:

> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   b791d1bdf9212d944d749a5c7ff6febdba241771
> commit: 0a0e265515db7619d0da9331d74245d02c741f07 media: atmel: atmel-isc: split driver into driver base and isc
> date:   12 months ago
> config: x86_64-randconfig-a012-20200612 (attached as .config)
> compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 3b43f006294971b8049d4807110032169780e5b8)
> 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
>          git checkout 0a0e265515db7619d0da9331d74245d02c741f07
>          # 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@...el.com>

Sent a patch to address this warning

Thanks

> 
> All warnings (new ones prefixed by >>, old ones prefixed by <<):
> 
>>> drivers/media/platform/atmel/atmel-sama5d2-isc.c:323:34: warning: unused variable 'atmel_isc_of_match' [-Wunused-const-variable]
> static const struct of_device_id atmel_isc_of_match[] = {
> ^
> 1 warning generated.
> 
> vim +/atmel_isc_of_match +323 drivers/media/platform/atmel/atmel-sama5d2-isc.c
> 
>     322
>   > 323  static const struct of_device_id atmel_isc_of_match[] = {
>     324          { .compatible = "atmel,sama5d2-isc" },
>     325          { }
>     326  };
>     327  MODULE_DEVICE_TABLE(of, atmel_isc_of_match);
>     328
> 
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
>