Messages in this thread | | | Date | Sun, 5 Sep 2021 09:01:44 +0800 | From | kernel test robot <> | Subject | drivers/gpu/drm/rockchip/cdn-dp-core.c:54:34: warning: unused variable 'cdn_dp_dt_ids' |
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Hi Robin,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 49624efa65ac9889f4e7c7b2452b2e6ce42ba37d commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs date: 1 year, 2 months ago config: x86_64-buildonly-randconfig-r006-20210905 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 6fe2beba7d2a41964af658c8c59dd172683ef739) 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 # 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 >>):
>> drivers/gpu/drm/rockchip/cdn-dp-core.c:54:34: warning: unused variable 'cdn_dp_dt_ids' [-Wunused-const-variable] static const struct of_device_id cdn_dp_dt_ids[] = { ^ drivers/gpu/drm/rockchip/cdn-dp-core.c:1123:12: warning: unused function 'cdn_dp_resume' [-Wunused-function] static int cdn_dp_resume(struct device *dev) ^ 2 warnings generated.
vim +/cdn_dp_dt_ids +54 drivers/gpu/drm/rockchip/cdn-dp-core.c
1a0f7ed3abe29c Chris Zhong 2017-02-05 53 1a0f7ed3abe29c Chris Zhong 2017-02-05 @54 static const struct of_device_id cdn_dp_dt_ids[] = { 1a0f7ed3abe29c Chris Zhong 2017-02-05 55 { .compatible = "rockchip,rk3399-cdn-dp", 1a0f7ed3abe29c Chris Zhong 2017-02-05 56 .data = (void *)&rk3399_cdn_dp }, 1a0f7ed3abe29c Chris Zhong 2017-02-05 57 {} 1a0f7ed3abe29c Chris Zhong 2017-02-05 58 }; 1a0f7ed3abe29c Chris Zhong 2017-02-05 59
:::::: The code at line 54 was first introduced by commit :::::: 1a0f7ed3abe29cff8e652c69a8ad89aec2c40f00 drm/rockchip: cdn-dp: add cdn DP support for rk3399
:::::: TO: Chris Zhong <zyw@rock-chips.com> :::::: CC: Mark Yao <mark.yao@rock-chips.com>
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