linux-kernel - [asahilinux:pr/22 74/189] drivers/hid/spi-hid/spi-hid-apple-core.c:259:22: warning: no previous prototype for 'spihid_get

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Date:   Tue, 26 Apr 2022 06:09:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     Janne Grunau <j@...nau.net>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Hector Martin <marcan@...can.st>
Subject: [asahilinux:pr/22 74/189]
 drivers/hid/spi-hid/spi-hid-apple-core.c:259:22: warning: no previous
 prototype for 'spihid_get_data'

tree:   https://github.com/AsahiLinux/linux pr/22
head:   7ee315306d1a3b0da8cf2a53e7f55889d0e7f034
commit: e1c721ad4fcedb51a74c3833f5ede7ae10e42e0f [74/189] WIP: HID: transport: spi: add Apple SPI transport
config: arm64-randconfig-r012-20220425 (https://download.01.org/0day-ci/archive/20220426/202204260603.NDqCgsMa-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 11.3.0
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
        # https://github.com/AsahiLinux/linux/commit/e1c721ad4fcedb51a74c3833f5ede7ae10e42e0f
        git remote add asahilinux https://github.com/AsahiLinux/linux
        git fetch --no-tags asahilinux pr/22
        git checkout e1c721ad4fcedb51a74c3833f5ede7ae10e42e0f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

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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