linux-kernel - drivers/gpu/drm/nouveau/nvkm/subdev/mc/ga100.c:51:1: sparse: sparse: symbol 'ga100_mc_device' was not declared. Should it be static?

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Date:   Thu, 15 Dec 2022 11:19:49 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ben Skeggs <bskeggs@...hat.com>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Lyude Paul <lyude@...hat.com>
Subject: drivers/gpu/drm/nouveau/nvkm/subdev/mc/ga100.c:51:1: sparse: sparse:
 symbol 'ga100_mc_device' was not declared. Should it be static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   041fae9c105ae342a4245cf1e0dc56a23fbb9d3c
commit: 565bfaf1f26af0e9fc9aafbb7053da1187afe9f4 drm/nouveau/mc/ga100: switch to using NV_PMC_DEVICE_ENABLE
date:   5 weeks ago
config: s390-randconfig-s052-20221214
compiler: s390-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=565bfaf1f26af0e9fc9aafbb7053da1187afe9f4
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 565bfaf1f26af0e9fc9aafbb7053da1187afe9f4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=s390 SHELL=/bin/bash drivers/gpu/drm/

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

sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/nouveau/nvkm/subdev/mc/ga100.c:51:1: sparse: sparse: symbol 'ga100_mc_device' was not declared. Should it be static?

vim +/ga100_mc_device +51 drivers/gpu/drm/nouveau/nvkm/subdev/mc/ga100.c

    49	
    50	const struct nvkm_mc_device_func
  > 51	ga100_mc_device = {
    52		.enabled = ga100_mc_device_enabled,
    53		.enable = ga100_mc_device_enable,
    54		.disable = ga100_mc_device_disable,
    55	};
    56	

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

View attachment "config" of type "text/plain" (174595 bytes)