Hi Damien, I love your patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on spi/for-next pza/reset/next linus/master v5.10-rc3 next-20201109] [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/Damien-Le-Moal/RISC-V-Kendryte-K210-support-improvments/20201109-095540 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: riscv-nommu_k210_defconfig (attached as .config) compiler: riscv64-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/b53c7c4d3b5b4658b4951955fd69c0ceb4bfac4d git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Damien-Le-Moal/RISC-V-Kendryte-K210-support-improvments/20201109-095540 git checkout b53c7c4d3b5b4658b4951955fd69c0ceb4bfac4d # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/pinctrl/pinctrl-k210.c:848:5: warning: no previous prototype for 'k210_pinctrl_dt_node_to_map' [-Wmissing-prototypes] 848 | int k210_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/k210_pinctrl_dt_node_to_map +848 drivers/pinctrl/pinctrl-k210.c 847 > 848 int k210_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev, 849 struct device_node *np_config, 850 struct pinctrl_map **map, unsigned int *num_maps) 851 { 852 unsigned int reserved_maps; 853 struct device_node *np; 854 int ret; 855 856 reserved_maps = 0; 857 *map = NULL; 858 *num_maps = 0; 859 860 ret = k210_pinctrl_dt_subnode_to_map(pctldev, np_config, map, 861 &reserved_maps, num_maps); 862 if (ret < 0) 863 goto err; 864 865 for_each_available_child_of_node(np_config, np) { 866 ret = k210_pinctrl_dt_subnode_to_map(pctldev, np, map, 867 &reserved_maps, num_maps); 868 if (ret < 0) 869 goto err; 870 } 871 return 0; 872 873 err: 874 pinctrl_utils_free_map(pctldev, *map, *num_maps); 875 return ret; 876 } 877 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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