Hi Chun-Jie, Thank you for the patch! Yet something to improve: [auto build test ERROR on clk/clk-next] [also build test ERROR on robh/for-next v5.16 next-20220110] [cannot apply to mbgg-mediatek/for-next] [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/Chun-Jie-Chen/dt-bindings-ARM-Mediatek-Add-new-document-bindings-of-MT8186-clock/20220110-224451 base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next config: nios2-allyesconfig (https://download.01.org/0day-ci/archive/20220111/202201110556.oB2sYNXm-lkp@intel.com/config) compiler: nios2-linux-gcc (GCC) 11.2.0 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/265a72ef3e3b41a62f280049219cf4efe1d79171 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Chun-Jie-Chen/dt-bindings-ARM-Mediatek-Add-new-document-bindings-of-MT8186-clock/20220110-224451 git checkout 265a72ef3e3b41a62f280049219cf4efe1d79171 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nios2 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): drivers/clk/mediatek/clk-mt8186-topckgen.c: In function 'clk_mt8186_topck_probe': >> drivers/clk/mediatek/clk-mt8186-topckgen.c:725:9: error: implicit declaration of function 'mtk_clk_unregister'; did you mean 'devm_clk_unregister'? [-Werror=implicit-function-declaration] 725 | mtk_clk_unregister(clk_data); | ^~~~~~~~~~~~~~~~~~ | devm_clk_unregister cc1: some warnings being treated as errors vim +725 drivers/clk/mediatek/clk-mt8186-topckgen.c 691 692 static int clk_mt8186_topck_probe(struct platform_device *pdev) 693 { 694 struct clk_onecell_data *clk_data; 695 struct device_node *node = pdev->dev.of_node; 696 int r; 697 void __iomem *base; 698 699 base = devm_platform_ioremap_resource(pdev, 0); 700 if (IS_ERR(base)) 701 return PTR_ERR(base); 702 703 clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK); 704 if (!clk_data) 705 return -ENOMEM; 706 707 mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks), 708 clk_data); 709 mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data); 710 mtk_clk_register_muxes(top_mtk_muxes, ARRAY_SIZE(top_mtk_muxes), node, 711 &mt8186_clk_lock, clk_data); 712 713 mtk_clk_register_composites(top_muxes, ARRAY_SIZE(top_muxes), base, 714 &mt8186_clk_lock, clk_data); 715 mtk_clk_register_composites(top_adj_divs, ARRAY_SIZE(top_adj_divs), base, 716 &mt8186_clk_lock, clk_data); 717 718 r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); 719 if (r) 720 goto unregister_clk; 721 722 return r; 723 724 unregister_clk: > 725 mtk_clk_unregister(clk_data); 726 mtk_free_clk_data(clk_data); 727 return r; 728 } 729 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org