On Wed, Dec 1, 2021 at 3:56 AM kernel test robot <lkp@intel.com> wrote:
>
> Hi Bartosz,
>
> I love your patch! Perhaps something to improve:
>
> [auto build test WARNING on v5.16-rc3]
> [cannot apply to shuah-kselftest/next linusw-gpio/for-next next-20211130]
> [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/Bartosz-Golaszewski/gpio-sim-configfs-based-GPIO-simulator/20211130-234338
> base:    d58071a8a76d779eedab38033ae4c821c30295a5
> config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20211201/202112011018.3gANFz4h-lkp(a)intel.com/config)
> compiler: sh4-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/1e50c35dae10799b1e2bbed56f68cfbac59bea08
>         git remote add linux-review https://github.com/0day-ci/linux
>         git fetch --no-tags linux-review Bartosz-Golaszewski/gpio-sim-configfs-based-GPIO-simulator/20211130-234338
>         git checkout 1e50c35dae10799b1e2bbed56f68cfbac59bea08
>         # 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=sh SHELL=/bin/bash drivers/ security//
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>):
>
> >> drivers/gpio/gpio-sim.c:807:23: warning: no previous prototype for 'gpio_sim_make_bank_swnode' [-Wmissing-prototypes]
>      807 | struct fwnode_handle *gpio_sim_make_bank_swnode(struct gpio_sim_bank *bank,
>          |                       ^~~~~~~~~~~~~~~~~~~~~~~~~
>
>
> vim +/gpio_sim_make_bank_swnode +807 drivers/gpio/gpio-sim.c
>
>    806
>  > 807  struct fwnode_handle *gpio_sim_make_bank_swnode(struct gpio_sim_bank *bank,
>    808                                                  struct fwnode_handle *parent)
>    809  {

Will statify it in v12.

Bart

>    810          struct property_entry properties[GPIO_SIM_PROP_MAX];
>    811          unsigned int prop_idx = 0, line_names_size = 0;
>    812          struct fwnode_handle *swnode;
>    813          char **line_names;
>    814
>    815          memset(properties, 0, sizeof(properties));
>    816
>    817          properties[prop_idx++] = PROPERTY_ENTRY_U32("ngpios", bank->num_lines);
>    818
>    819          if (bank->label)
>    820                  properties[prop_idx++] = PROPERTY_ENTRY_STRING("gpio-sim,label",
>    821                                                                 bank->label);
>    822
>    823          line_names = gpio_sim_make_line_names(bank, &line_names_size);
>    824          if (IS_ERR(line_names))
>    825                  return ERR_CAST(line_names);
>    826
>    827          if (line_names)
>    828                  properties[prop_idx++] = PROPERTY_ENTRY_STRING_ARRAY_LEN(
>    829                                                  "gpio-line-names",
>    830                                                  line_names, line_names_size);
>    831
>    832          swnode = fwnode_create_software_node(properties, parent);
>    833          kfree(line_names);
>    834          return swnode;
>    835  }
>    836
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org