Messages in this thread | | | Date | Fri, 25 Jun 2021 15:41:17 +0800 | From | kernel test robot <> | Subject | drivers/gpu/drm/rockchip/analogix_dp-rockchip.c:457:34: warning: unused variable 'rockchip_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: 44db63d1ad8d71c6932cbe007eb41f31c434d140 commit: b4ceb4a5359ed1c9ba4a20acf3a70d4bbead3248 iommu: Tidy up Kconfig for SoC IOMMUs date: 12 months ago config: x86_64-randconfig-r012-20210625 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9ca0171a9ffdef5fdb1511d197a3fd72490362de) 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 # 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/analogix_dp-rockchip.c:457:34: warning: unused variable 'rockchip_dp_dt_ids' [-Wunused-const-variable] static const struct of_device_id rockchip_dp_dt_ids[] = { ^ 1 warning generated. -- >> 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 +/rockchip_dp_dt_ids +457 drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
d9c900b0270a18 Yakir Yang 2016-06-29 456 9e32e16e9e989f Yakir Yang 2016-03-29 @457 static const struct of_device_id rockchip_dp_dt_ids[] = { d9c900b0270a18 Yakir Yang 2016-06-29 458 {.compatible = "rockchip,rk3288-dp", .data = &rk3288_dp }, 82872e42bb1501 Yakir Yang 2016-06-29 459 {.compatible = "rockchip,rk3399-edp", .data = &rk3399_edp }, 9e32e16e9e989f Yakir Yang 2016-03-29 460 {} 9e32e16e9e989f Yakir Yang 2016-03-29 461 }; 9e32e16e9e989f Yakir Yang 2016-03-29 462 MODULE_DEVICE_TABLE(of, rockchip_dp_dt_ids); 9e32e16e9e989f Yakir Yang 2016-03-29 463
:::::: The code at line 457 was first introduced by commit :::::: 9e32e16e9e989f2c4a11b377c5ed3e1c7be16cfb drm: rockchip: dp: add rockchip platform dp driver
:::::: TO: Yakir Yang <ykk@rock-chips.com> :::::: CC: Yakir Yang <ykk@rock-chips.com>
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