Hi "Rafał, I love your patch! Yet something to improve: [auto build test ERROR on linusw-pinctrl/devel] [also build test ERROR on v5.16-rc5 next-20211214] [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/Rafa-Mi-ecki/pinctrl-add-one-mor... base: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel config: arm-randconfig-c002-20211214 (https://download.01.org/0day-ci/archive/20211216/202112160723.nSvHR7gk-lk...) compiler: arm-linux-gnueabi-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/e4338a6ad34998afb60c5ad294aafa06c... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Rafa-Mi-ecki/pinctrl-add-one-more-const-for-generic-function-groups/20211216-014859 git checkout e4338a6ad34998afb60c5ad294aafa06cd7110a7 # 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=arm SHELL=/bin/bash drivers/pinctrl/freescale/ 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/freescale/pinctrl-imx.c: In function 'imx_pinctrl_parse_functions': 672 | func->group_names[i] = child->name; | ^ vim +672 drivers/pinctrl/freescale/pinctrl-imx.c ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 642 150632b09aadf1 drivers/pinctrl/pinctrl-imx.c Greg Kroah-Hartman 2012-12-21 643 static int imx_pinctrl_parse_functions(struct device_node *np, e566fc11ea76ec drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2017-01-02 644 struct imx_pinctrl *ipctl, 150632b09aadf1 drivers/pinctrl/pinctrl-imx.c Greg Kroah-Hartman 2012-12-21 645 u32 index) ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 646 { e566fc11ea76ec drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2017-01-02 647 struct pinctrl_dev *pctl = ipctl->pctl; ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 648 struct device_node *child; 3fd6d6ad73af90 drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2017-01-02 649 struct function_desc *func; e566fc11ea76ec drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2017-01-02 650 struct group_desc *grp; ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 651 u32 i = 0; ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 652 94f4e54cecaf3e drivers/pinctrl/freescale/pinctrl-imx.c Rob Herring 2018-08-27 653 dev_dbg(pctl->dev, "parse function(%d): %pOFn\n", index, np); ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 654 3fd6d6ad73af90 drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2017-01-02 655 func = pinmux_generic_get_function(pctl, index); a51c158bf0f7ca drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2016-12-02 656 if (!func) a51c158bf0f7ca drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2016-12-02 657 return -EINVAL; ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 658 ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 659 /* Initialise function */ ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 660 func->name = np->name; 3fd6d6ad73af90 drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2017-01-02 661 func->num_group_names = of_get_child_count(np); 3fd6d6ad73af90 drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2017-01-02 662 if (func->num_group_names == 0) { f5843492ecefcf drivers/pinctrl/freescale/pinctrl-imx.c Stefan Agner 2018-01-06 663 dev_err(ipctl->dev, "no groups defined in %pOF\n", np); ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 664 return -EINVAL; ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 665 } f5843492ecefcf drivers/pinctrl/freescale/pinctrl-imx.c Stefan Agner 2018-01-06 666 func->group_names = devm_kcalloc(ipctl->dev, func->num_group_names, 3fd6d6ad73af90 drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2017-01-02 667 sizeof(char *), GFP_KERNEL); 49af64e6b52208 drivers/pinctrl/freescale/pinctrl-imx.c Christophe JAILLET 2017-05-06 668 if (!func->group_names) 49af64e6b52208 drivers/pinctrl/freescale/pinctrl-imx.c Christophe JAILLET 2017-05-06 669 return -ENOMEM; ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 670 ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 671 for_each_child_of_node(np, child) { 3fd6d6ad73af90 drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2017-01-02 @672 func->group_names[i] = child->name; a51c158bf0f7ca drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2016-12-02 673 f5843492ecefcf drivers/pinctrl/freescale/pinctrl-imx.c Stefan Agner 2018-01-06 674 grp = devm_kzalloc(ipctl->dev, sizeof(struct group_desc), a51c158bf0f7ca drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2016-12-02 675 GFP_KERNEL); bf4b87b0d06aa3 drivers/pinctrl/freescale/pinctrl-imx.c Nishka Dasgupta 2019-08-08 676 if (!grp) { bf4b87b0d06aa3 drivers/pinctrl/freescale/pinctrl-imx.c Nishka Dasgupta 2019-08-08 677 of_node_put(child); a51c158bf0f7ca drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2016-12-02 678 return -ENOMEM; bf4b87b0d06aa3 drivers/pinctrl/freescale/pinctrl-imx.c Nishka Dasgupta 2019-08-08 679 } a51c158bf0f7ca drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2016-12-02 680 f5843492ecefcf drivers/pinctrl/freescale/pinctrl-imx.c Stefan Agner 2018-01-06 681 mutex_lock(&ipctl->mutex); e566fc11ea76ec drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2017-01-02 682 radix_tree_insert(&pctl->pin_group_tree, f5843492ecefcf drivers/pinctrl/freescale/pinctrl-imx.c Stefan Agner 2018-01-06 683 ipctl->group_index++, grp); f5843492ecefcf drivers/pinctrl/freescale/pinctrl-imx.c Stefan Agner 2018-01-06 684 mutex_unlock(&ipctl->mutex); a51c158bf0f7ca drivers/pinctrl/freescale/pinctrl-imx.c Gary Bisson 2016-12-02 685 a5cadbbb081cb8 drivers/pinctrl/freescale/pinctrl-imx.c Dong Aisheng 2017-05-19 686 imx_pinctrl_parse_groups(child, grp, ipctl, i++); ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 687 } ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 688 ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 689 return 0; ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 690 } ae75ff81453840 drivers/pinctrl/pinctrl-imx.c Dong Aisheng 2012-04-27 691 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org