Hi Jianqun, Thank you for the patch! Yet something to improve: [auto build test ERROR on rockchip/for-next] [also build test ERROR on pinctrl/devel v5.8-rc5 next-20200717] [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/Jianqun-Xu/pinctrl-rockchip-prep... base: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next config: alpha-randconfig-r014-20200719 (attached as .config) compiler: alpha-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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha 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/pinctrl/pinctrl-rockchip.c: In function 'rockchip_pinctrl_parse_groups': 2879 | ret = pinconf_generic_parse_dt_config(np_config, NULL, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | pinconf_generic_dump_config drivers/pinctrl/pinctrl-rockchip.c: In function 'rockchip_gpiolib_register': 3471 | gc->of_node = bank->of_node; | ^~ drivers/pinctrl/pinctrl-rockchip.c: In function 'rockchip_pinctrl_get_soc_data': drivers/pinctrl/pinctrl-rockchip.c:3575:8: warning: duplicate 'const' declaration specifier [-Wduplicate-decl-specifier] 3575 | const const struct rockchip_pin_ctrl *ctrl; | ^~~~~ drivers/pinctrl/pinctrl-rockchip.c: In function 'rockchip_pinctrl_probe': drivers/pinctrl/pinctrl-rockchip.c:3753:8: warning: duplicate 'const' declaration specifier [-Wduplicate-decl-specifier] 3753 | const const struct rockchip_pin_ctrl *ctrl; | ^~~~~ At top level: drivers/pinctrl/pinctrl-rockchip.c:2802:34: warning: 'rockchip_bank_match' defined but not used [-Wunused-const-variable=] 2802 | static const struct of_device_id rockchip_bank_match[] = { | ^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +2879 drivers/pinctrl/pinctrl-rockchip.c d3e5116119bd02 Heiko Stübner 2013-06-10 2821 d3e5116119bd02 Heiko Stübner 2013-06-10 2822 static int rockchip_pinctrl_parse_groups(struct device_node *np, d3e5116119bd02 Heiko Stübner 2013-06-10 2823 struct rockchip_pin_group *grp, d3e5116119bd02 Heiko Stübner 2013-06-10 2824 struct rockchip_pinctrl *info, d3e5116119bd02 Heiko Stübner 2013-06-10 2825 u32 index) d3e5116119bd02 Heiko Stübner 2013-06-10 2826 { d3e5116119bd02 Heiko Stübner 2013-06-10 2827 struct rockchip_pin_bank *bank; d3e5116119bd02 Heiko Stübner 2013-06-10 2828 int size; d3e5116119bd02 Heiko Stübner 2013-06-10 2829 const __be32 *list; d3e5116119bd02 Heiko Stübner 2013-06-10 2830 int num; d3e5116119bd02 Heiko Stübner 2013-06-10 2831 int i, j; d3e5116119bd02 Heiko Stübner 2013-06-10 2832 int ret; d3e5116119bd02 Heiko Stübner 2013-06-10 2833 94f4e54cecaf3e Rob Herring 2018-08-27 2834 dev_dbg(info->dev, "group(%d): %pOFn\n", index, np); d3e5116119bd02 Heiko Stübner 2013-06-10 2835 d3e5116119bd02 Heiko Stübner 2013-06-10 2836 /* Initialise group */ d3e5116119bd02 Heiko Stübner 2013-06-10 2837 grp->name = np->name; d3e5116119bd02 Heiko Stübner 2013-06-10 2838 d3e5116119bd02 Heiko Stübner 2013-06-10 2839 /* d3e5116119bd02 Heiko Stübner 2013-06-10 2840 * the binding format is rockchip,pins = <bank pin mux CONFIG>, d3e5116119bd02 Heiko Stübner 2013-06-10 2841 * do sanity check and calculate pins number d3e5116119bd02 Heiko Stübner 2013-06-10 2842 */ d3e5116119bd02 Heiko Stübner 2013-06-10 2843 list = of_get_property(np, "rockchip,pins", &size); d3e5116119bd02 Heiko Stübner 2013-06-10 2844 /* we do not check return since it's safe node passed down */ d3e5116119bd02 Heiko Stübner 2013-06-10 2845 size /= sizeof(*list); d3e5116119bd02 Heiko Stübner 2013-06-10 2846 if (!size || size % 4) { d3e5116119bd02 Heiko Stübner 2013-06-10 2847 dev_err(info->dev, "wrong pins number or pins and configs should be by 4\n"); d3e5116119bd02 Heiko Stübner 2013-06-10 2848 return -EINVAL; d3e5116119bd02 Heiko Stübner 2013-06-10 2849 } d3e5116119bd02 Heiko Stübner 2013-06-10 2850 d3e5116119bd02 Heiko Stübner 2013-06-10 2851 grp->npins = size / 4; d3e5116119bd02 Heiko Stübner 2013-06-10 2852 a86854d0c599b3 Kees Cook 2018-06-12 2853 grp->pins = devm_kcalloc(info->dev, grp->npins, sizeof(unsigned int), d3e5116119bd02 Heiko Stübner 2013-06-10 2854 GFP_KERNEL); a86854d0c599b3 Kees Cook 2018-06-12 2855 grp->data = devm_kcalloc(info->dev, a86854d0c599b3 Kees Cook 2018-06-12 2856 grp->npins, d3e5116119bd02 Heiko Stübner 2013-06-10 2857 sizeof(struct rockchip_pin_config), d3e5116119bd02 Heiko Stübner 2013-06-10 2858 GFP_KERNEL); d3e5116119bd02 Heiko Stübner 2013-06-10 2859 if (!grp->pins || !grp->data) d3e5116119bd02 Heiko Stübner 2013-06-10 2860 return -ENOMEM; d3e5116119bd02 Heiko Stübner 2013-06-10 2861 d3e5116119bd02 Heiko Stübner 2013-06-10 2862 for (i = 0, j = 0; i < size; i += 4, j++) { d3e5116119bd02 Heiko Stübner 2013-06-10 2863 const __be32 *phandle; d3e5116119bd02 Heiko Stübner 2013-06-10 2864 struct device_node *np_config; d3e5116119bd02 Heiko Stübner 2013-06-10 2865 d3e5116119bd02 Heiko Stübner 2013-06-10 2866 num = be32_to_cpu(*list++); d3e5116119bd02 Heiko Stübner 2013-06-10 2867 bank = bank_num_to_bank(info, num); d3e5116119bd02 Heiko Stübner 2013-06-10 2868 if (IS_ERR(bank)) d3e5116119bd02 Heiko Stübner 2013-06-10 2869 return PTR_ERR(bank); d3e5116119bd02 Heiko Stübner 2013-06-10 2870 d3e5116119bd02 Heiko Stübner 2013-06-10 2871 grp->pins[j] = bank->pin_base + be32_to_cpu(*list++); d3e5116119bd02 Heiko Stübner 2013-06-10 2872 grp->data[j].func = be32_to_cpu(*list++); d3e5116119bd02 Heiko Stübner 2013-06-10 2873 d3e5116119bd02 Heiko Stübner 2013-06-10 2874 phandle = list++; d3e5116119bd02 Heiko Stübner 2013-06-10 2875 if (!phandle) d3e5116119bd02 Heiko Stübner 2013-06-10 2876 return -EINVAL; d3e5116119bd02 Heiko Stübner 2013-06-10 2877 d3e5116119bd02 Heiko Stübner 2013-06-10 2878 np_config = of_find_node_by_phandle(be32_to_cpup(phandle)); dd4d01f7bad886 Soren Brinkmann 2015-01-09 @2879 ret = pinconf_generic_parse_dt_config(np_config, NULL, d3e5116119bd02 Heiko Stübner 2013-06-10 2880 &grp->data[j].configs, &grp->data[j].nconfigs); d3e5116119bd02 Heiko Stübner 2013-06-10 2881 if (ret) d3e5116119bd02 Heiko Stübner 2013-06-10 2882 return ret; d3e5116119bd02 Heiko Stübner 2013-06-10 2883 } d3e5116119bd02 Heiko Stübner 2013-06-10 2884 d3e5116119bd02 Heiko Stübner 2013-06-10 2885 return 0; d3e5116119bd02 Heiko Stübner 2013-06-10 2886 } d3e5116119bd02 Heiko Stübner 2013-06-10 2887 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org