[cxl:pending 20/22] drivers/cxl/core/suspend.c:8:6: warning: no previous prototype for 'cxl_mem_active'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git pending
head:   4f497e0dd3530981f8c897d5d47ee880b62baefb
commit: fcf0b70f7e80f49f323cc21b8a497a24151d9c28 [20/22] PM: CXL: Disable suspend
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20220415/202204151219.KoL7lvcZ-lkp@xxxxxxxxx/config)
compiler: mips-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://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git/commit/?id=fcf0b70f7e80f49f323cc21b8a497a24151d9c28
        git remote add cxl https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git
        git fetch --no-tags cxl pending
        git checkout fcf0b70f7e80f49f323cc21b8a497a24151d9c28
        # 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=mips SHELL=/bin/bash drivers/cxl/core/

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/cxl/core/suspend.c:8:6: warning: no previous prototype for 'cxl_mem_active' [-Wmissing-prototypes]
       8 | bool cxl_mem_active(void)
         |      ^~~~~~~~~~~~~~
>> drivers/cxl/core/suspend.c:13:6: warning: no previous prototype for 'cxl_mem_active_inc' [-Wmissing-prototypes]
      13 | void cxl_mem_active_inc(void)
         |      ^~~~~~~~~~~~~~~~~~
>> drivers/cxl/core/suspend.c:19:6: warning: no previous prototype for 'cxl_mem_active_dec' [-Wmissing-prototypes]
      19 | void cxl_mem_active_dec(void)
         |      ^~~~~~~~~~~~~~~~~~


vim +/cxl_mem_active +8 drivers/cxl/core/suspend.c

     7	
   > 8	bool cxl_mem_active(void)
     9	{
    10		return atomic_read(&mem_active) != 0;
    11	}
    12	
  > 13	void cxl_mem_active_inc(void)
    14	{
    15		atomic_inc(&mem_active);
    16	}
    17	EXPORT_SYMBOL_NS_GPL(cxl_mem_active_inc, CXL);
    18	
  > 19	void cxl_mem_active_dec(void)

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