[dinguyen:socfpga-5.7_v1 13/57] drivers/fpga/fpga-mgr-debugfs.h:30:6: warning: no previous prototype for 'fpga_mgr_debugfs_add'

[dinguyen:socfpga-5.7_v1 13/57] drivers/fpga/fpga-mgr-debugfs.h:30:6: warning: no previous prototype for 'fpga_mgr_debugfs_add'

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux.git socfpga-5.7_v1
head:   615558e92b04e1e40b901de5b681b7da65205996
commit: a5a0e74b7db5c7a95d1cb60cc09d59f051537350 [13/57] FogBugz #398879-2: fpga mgr debugfs
config: nios2-randconfig-r001-20200604 (attached as .config)
compiler: nios2-linux-gcc (GCC) 9.3.0
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
        git checkout a5a0e74b7db5c7a95d1cb60cc09d59f051537350
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 

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

All warnings (new ones prefixed by >>, old ones prefixed by <<):

In file included from drivers/fpga/fpga-mgr.c:20:
>> drivers/fpga/fpga-mgr-debugfs.h:30:6: warning: no previous prototype for 'fpga_mgr_debugfs_add' [-Wmissing-prototypes]
30 | void fpga_mgr_debugfs_add(struct fpga_manager *mgr) {}
|      ^~~~~~~~~~~~~~~~~~~~
>> drivers/fpga/fpga-mgr-debugfs.h:31:6: warning: no previous prototype for 'fpga_mgr_debugfs_remove' [-Wmissing-prototypes]
31 | void fpga_mgr_debugfs_remove(struct fpga_manager *mgr) {}
|      ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/fpga/fpga-mgr-debugfs.h:32:6: warning: no previous prototype for 'fpga_mgr_debugfs_init' [-Wmissing-prototypes]
32 | void fpga_mgr_debugfs_init(void) {}
|      ^~~~~~~~~~~~~~~~~~~~~
>> drivers/fpga/fpga-mgr-debugfs.h:33:6: warning: no previous prototype for 'fpga_mgr_debugfs_uninit' [-Wmissing-prototypes]
33 | void fpga_mgr_debugfs_uninit(void) {}
|      ^~~~~~~~~~~~~~~~~~~~~~~

vim +/fpga_mgr_debugfs_add +30 drivers/fpga/fpga-mgr-debugfs.h

    29	
  > 30	void fpga_mgr_debugfs_add(struct fpga_manager *mgr) {}
  > 31	void fpga_mgr_debugfs_remove(struct fpga_manager *mgr) {}
  > 32	void fpga_mgr_debugfs_init(void) {}
  > 33	void fpga_mgr_debugfs_uninit(void) {}
    34	

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

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