Re: [PATCH] firmware: added a firmware information passing method FFI

[kernel test robot <lkp@intel.com>]

Hi Yunhui,

kernel test robot noticed the following build warnings:

[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on linus/master jdelvare-staging/dmi-for-next v6.3 next-20230425]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Yunhui-Cui/firmware-added-a-firmware-information-passing-method-FFI/20230426-114131
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20230426034001.16-1-cuiyunhui%40bytedance.com
patch subject: [PATCH] firmware: added a firmware information passing method FFI
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230426/202304261756.84GsEW3V-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/7d1fe633611738698520294d2a598575a765cfbf
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Yunhui-Cui/firmware-added-a-firmware-information-passing-method-FFI/20230426-114131
        git checkout 7d1fe633611738698520294d2a598575a765cfbf
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304261756.84GsEW3V-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/firmware/ffi.c:18:13: warning: no previous prototype for 'of_fdt_fwtbl' [-Wmissing-prototypes]
      18 | void __init of_fdt_fwtbl(void)
         |             ^~~~~~~~~~~~
>> drivers/firmware/ffi.c:53:13: warning: no previous prototype for 'fdt_fwtbl_init' [-Wmissing-prototypes]
      53 | void __init fdt_fwtbl_init(void)
         |             ^~~~~~~~~~~~~~


vim +/of_fdt_fwtbl +18 drivers/firmware/ffi.c

    17	
  > 18	void __init of_fdt_fwtbl(void)
    19	{
    20		int cfgtbl, len;
    21		fdt64_t *prop;
    22	
    23		cfgtbl = fdt_path_offset(initial_boot_params, "/cfgtables");
    24		if (cfgtbl < 0) {
    25			pr_info("cfgtables not found.\n");
    26			return;
    27		}
    28		prop = fdt_getprop_w(initial_boot_params, cfgtbl, "smbios_phy_ptr", &len);
    29		if (!prop || len != sizeof(u64))
    30			pr_info("smbios_phy_ptr not found.\n");
    31		else
    32			fdt_fwtbl.smbios = fdt64_to_cpu(*prop);
    33	
    34		prop = fdt_getprop_w(initial_boot_params, cfgtbl, "smbios3_phy_ptr", &len);
    35		if (!prop || len != sizeof(u64))
    36			pr_info("smbios3_phy_ptr not found.\n");
    37		else
    38			fdt_fwtbl.smbios3 = fdt64_to_cpu(*prop);
    39	
    40		prop = fdt_getprop_w(initial_boot_params, cfgtbl, "acpi_phy_ptr", &len);
    41		if (!prop || len != sizeof(u64))
    42			pr_info("acpi_phy_ptr not found.\n");
    43		else
    44			fdt_fwtbl.acpi = fdt64_to_cpu(*prop);
    45	
    46		prop = fdt_getprop_w(initial_boot_params, cfgtbl, "acpi20_phy_ptr", &len);
    47		if (!prop || len != sizeof(u64))
    48			pr_info("acpi20_phy_ptr not found.\n");
    49		else
    50			fdt_fwtbl.acpi20 = fdt64_to_cpu(*prop);
    51	}
    52	
  > 53	void __init fdt_fwtbl_init(void)

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests