Re: [PATCH v4 07/79] media: exynos-gsc: don't resume at remove time

From: kernel test robot <lkp@intel.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: kbuild-all@lists.01.org, linux-media@vger.kernel.org,
	linuxarm@huawei.com, mauro.chehab@huawei.com,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Ezequiel Garcia <ezequiel@collabora.com>,
	Hans Verkuil <hverkuil@xs4all.nl>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org
Subject: Re: [PATCH v4 07/79] media: exynos-gsc: don't resume at remove time
Date: Thu, 29 Apr 2021 03:44:22 +0800	[thread overview]
Message-ID: <202104290331.tfwbdGzt-lkp@intel.com> (raw)
In-Reply-To: <210a2eee928d2ae7aee65e177f20cfb3f00e29ee.1619621413.git.mchehab+huawei@kernel.org>

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Hi Mauro,

I love your patch! Yet something to improve:

[auto build test ERROR on linuxtv-media/master]
[also build test ERROR on rockchip/for-next tegra/for-next v5.12 next-20210428]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Mauro-Carvalho-Chehab/Address-some-issues-with-PM-runtime-at-media-subsystem/20210428-225742
base:   git://linuxtv.org/media_tree.git master
config: nds32-randconfig-r035-20210428 (attached as .config)
compiler: nds32le-linux-gcc (GCC) 9.3.0
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
        # https://github.com/0day-ci/linux/commit/b6dba4aea621c15b0aa6f92e548c74cd6994eb20
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Mauro-Carvalho-Chehab/Address-some-issues-with-PM-runtime-at-media-subsystem/20210428-225742
        git checkout b6dba4aea621c15b0aa6f92e548c74cd6994eb20
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=nds32 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   drivers/media/platform/exynos-gsc/gsc-core.c: In function 'gsc_remove':
>> drivers/media/platform/exynos-gsc/gsc-core.c:1220:35: error: 'dev' undeclared (first use in this function); did you mean 'pdev'?
    1220 |  if (!pm_runtime_status_suspended(dev))
         |                                   ^~~
         |                                   pdev
   drivers/media/platform/exynos-gsc/gsc-core.c:1220:35: note: each undeclared identifier is reported only once for each function it appears in

vim +1220 drivers/media/platform/exynos-gsc/gsc-core.c

  1207	
  1208	static int gsc_remove(struct platform_device *pdev)
  1209	{
  1210		struct gsc_dev *gsc = platform_get_drvdata(pdev);
  1211		int i;
  1212	
  1213		gsc_unregister_m2m_device(gsc);
  1214		v4l2_device_unregister(&gsc->v4l2_dev);
  1215	
  1216		vb2_dma_contig_clear_max_seg_size(&pdev->dev);
  1217	
  1218		pm_runtime_disable(&pdev->dev);
  1219	
> 1220		if (!pm_runtime_status_suspended(dev))
  1221			for (i = 0; i < gsc->num_clocks; i++)
  1222				clk_disable_unprepare(gsc->clock[i]);
  1223	
  1224		pm_runtime_set_suspended(dev);
  1225	
  1226		dev_dbg(&pdev->dev, "%s driver unloaded\n", pdev->name);
  1227		return 0;
  1228	}
  1229	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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