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-Me... 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/20220111/202201110231.DNu9pn4H-lk...) 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/d28b64e80990fd336192ccdd31676120b... 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 d28b64e80990fd336192ccdd31676120bf4e2696 # 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 <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/clk/mediatek/clk-mt8186-mcu.c: In function 'clk_mt8186_mcu_probe': 74 | mtk_clk_unregister(clk_data); | ^~~~~~~~~~~~~~~~~~ | devm_clk_unregister cc1: some warnings being treated as errors vim +74 drivers/clk/mediatek/clk-mt8186-mcu.c 48 49 static int clk_mt8186_mcu_probe(struct platform_device *pdev) 50 { 51 struct clk_onecell_data *clk_data; 52 struct device_node *node = pdev->dev.of_node; 53 int r; 54 void __iomem *base; 55 56 base = devm_platform_ioremap_resource(pdev, 0); 57 if (IS_ERR(base)) 58 return PTR_ERR(base); 59 60 clk_data = mtk_alloc_clk_data(CLK_MCU_NR_CLK); 61 if (!clk_data) 62 return -ENOMEM; 63 64 mtk_clk_register_composites(mcu_muxes, ARRAY_SIZE(mcu_muxes), base, 65 &mt8186_clk_lock, clk_data); 66 67 r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); 68 if (r) 69 goto unregister_clk; 70 71 return r; 72 73 unregister_clk: 75 mtk_free_clk_data(clk_data); 76 return r; 77 } 78 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org