linux-kernel - drivers/media/platform/atmel/atmel-sama7g5-isc.c:610:34: warning: unused variable 'microchip_xisc_of

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Date:   Tue, 2 Aug 2022 00:26:16 +0800
From:   kernel test robot <lkp@...el.com>
To:     Eugen Hristev <eugen.hristev@...rochip.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, Hans Verkuil <hverkuil@...all.nl>
Subject: drivers/media/platform/atmel/atmel-sama7g5-isc.c:610:34: warning:
 unused variable 'microchip_xisc_of_match'

Hi Eugen,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3d7cb6b04c3f3115719235cc6866b10326de34cd
commit: c9aa973884a163ecb6d5d4d3be9137058adcaf8c media: atmel: atmel-isc: add microchip-xisc driver
date:   1 year, 2 months ago
config: mips-randconfig-r024-20220731 (https://download.01.org/0day-ci/archive/20220802/202208020021.8hfala2O-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 52cd00cabf479aa7eb6dbb063b7ba41ea57bce9e)
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 mips cross compiling tool for clang build
        # apt-get install binutils-mipsel-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c9aa973884a163ecb6d5d4d3be9137058adcaf8c
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout c9aa973884a163ecb6d5d4d3be9137058adcaf8c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/media/platform/atmel/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/media/platform/atmel/atmel-sama7g5-isc.c:610:34: warning: unused variable 'microchip_xisc_of_match' [-Wunused-const-variable]
   static const struct of_device_id microchip_xisc_of_match[] = {
                                    ^
   1 warning generated.


vim +/microchip_xisc_of_match +610 drivers/media/platform/atmel/atmel-sama7g5-isc.c

   609	
 > 610	static const struct of_device_id microchip_xisc_of_match[] = {
   611		{ .compatible = "microchip,sama7g5-isc" },
   612		{ }
   613	};
   614	MODULE_DEVICE_TABLE(of, microchip_xisc_of_match);
   615	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp