[asahilinux:asahi 28/174] include/linux/soc/apple/rtkit.h:223:5: warning: no previous prototype for 'apple_rtkit_poll'

[kernel test robot]

tree:   https://github.com/AsahiLinux/linux asahi
head:   c1fcb91bbcc8fd1b1f874e45f55cbba682351f3c
commit: 73ad3599aa16b102655fbd9aa1576ae3c63466a3 [28/174] WIP: nvme-apple: add initial Apple SoC NVMe driver
config: powerpc-randconfig-m031-20220318 (https://download.01.org/0day-ci/archive/20220318/202203181210.tL0yqraP-lkp@xxxxxxxxx/config)
compiler: powerpc-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/73ad3599aa16b102655fbd9aa1576ae3c63466a3
        git remote add asahilinux https://github.com/AsahiLinux/linux
        git fetch --no-tags asahilinux asahi
        git checkout 73ad3599aa16b102655fbd9aa1576ae3c63466a3
        # 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=powerpc SHELL=/bin/bash drivers/nvme/host/

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

All warnings (new ones prefixed by >>):

   In file included from drivers/nvme/host/apple.c:32:
>> include/linux/soc/apple/rtkit.h:223:5: warning: no previous prototype for 'apple_rtkit_poll' [-Wmissing-prototypes]
     223 | int apple_rtkit_poll(struct apple_rtkit *rtk)
         |     ^~~~~~~~~~~~~~~~


vim +/apple_rtkit_poll +223 include/linux/soc/apple/rtkit.h

b0aec24ea7a8e79 Hector Martin 2022-02-08  222  
16b8a4a8997d359 Hector Martin 2022-02-08 @223  int apple_rtkit_poll(struct apple_rtkit *rtk)
16b8a4a8997d359 Hector Martin 2022-02-08  224  {
16b8a4a8997d359 Hector Martin 2022-02-08  225  	return -ENODEV;
16b8a4a8997d359 Hector Martin 2022-02-08  226  }
16b8a4a8997d359 Hector Martin 2022-02-08  227  

:::::: The code at line 223 was first introduced by commit
:::::: 16b8a4a8997d359639caf9b641cea8466e68c717 soc: apple: rtkit: Add recv_message_early callback and apple_rtkit_poll

:::::: TO: Hector Martin <marcan@xxxxxxxxx>
:::::: CC: Hector Martin <marcan@xxxxxxxxx>

---
0-DAY CI Kernel Test Service
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