[asahilinux:bits/090-spi-hid 11/11] drivers/hid/spi-hid/spi-hid-apple-core.c:259:22: warning: no previous prototype for 'spihid_get_data'

[kernel test robot]

tree:   https://github.com/AsahiLinux/linux bits/090-spi-hid
head:   6503ad96bc85209be90119188ff30d21612bbbf8
commit: 6503ad96bc85209be90119188ff30d21612bbbf8 [11/11] WIP: HID: transport: spi: add Apple SPI transport
config: csky-allyesconfig (https://download.01.org/0day-ci/archive/20220221/202202212138.tQW6fcMZ-lkp@xxxxxxxxx/config)
compiler: csky-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/AsahiLinux/linux/commit/6503ad96bc85209be90119188ff30d21612bbbf8
        git remote add asahilinux https://github.com/AsahiLinux/linux
        git fetch --no-tags asahilinux bits/090-spi-hid
        git checkout 6503ad96bc85209be90119188ff30d21612bbbf8
        # 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=csky SHELL=/bin/bash drivers/hid/spi-hid/ drivers/platform/

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/hid/spi-hid/spi-hid-apple-core.c:259:22: warning: no previous prototype for 'spihid_get_data' [-Wmissing-prototypes]
     259 | struct spihid_apple *spihid_get_data(struct spihid_interface *idev)
         |                      ^~~~~~~~~~~~~~~
--
>> drivers/hid/spi-hid/spi-hid-apple-of.c:24:5: warning: no previous prototype for 'spihid_apple_of_power_on' [-Wmissing-prototypes]
      24 | int spihid_apple_of_power_on(struct spihid_apple_ops *ops)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/hid/spi-hid/spi-hid-apple-of.c:40:5: warning: no previous prototype for 'spihid_apple_of_power_off' [-Wmissing-prototypes]
      40 | int spihid_apple_of_power_off(struct spihid_apple_ops *ops)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/hid/spi-hid/spi-hid-apple-of.c:50:5: warning: no previous prototype for 'spihid_apple_of_enable_irq' [-Wmissing-prototypes]
      50 | int spihid_apple_of_enable_irq(struct spihid_apple_ops *ops)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/hid/spi-hid/spi-hid-apple-of.c:59:5: warning: no previous prototype for 'spihid_apple_of_disable_irq' [-Wmissing-prototypes]
      59 | int spihid_apple_of_disable_irq(struct spihid_apple_ops *ops)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/spihid_get_data +259 drivers/hid/spi-hid/spi-hid-apple-core.c

   258	
 > 259	struct spihid_apple *spihid_get_data(struct spihid_interface *idev)
   260	{
   261		switch (idev->id) {
   262		case SPIHID_DEVICE_ID_KBD:
   263			return container_of(idev, struct spihid_apple, kbd);
   264		case SPIHID_DEVICE_ID_TP:
   265			return container_of(idev, struct spihid_apple, tp);
   266		default:
   267			return NULL;
   268		}
   269	}
   270	

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx