[rcar:vsp1/v3u 25/44] drivers/media/platform/rcar-fcp.c:55: warning: expecting prototype for rcar_fcp_get(). Prototype was for fcp_write() instead

[rcar:vsp1/v3u 25/44] drivers/media/platform/rcar-fcp.c:55: warning: expecting prototype for rcar_fcp_get(). Prototype was for fcp_write() instead

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kbingham/rcar.git vsp1/v3u
head:   c00301e00101f8cd90d76993f64aebfa455e6a64
commit: 8eeafa770890834ee014bcc0a53a11d2dbe871e9 [25/44] rcar-fcp: Add FCPVD reset sequence for VSPD
config: ia64-allmodconfig (attached as .config)
compiler: ia64-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
        # https://git.kernel.org/pub/scm/linux/kernel/git/kbingham/rcar.git/commit/?id=8eeafa770890834ee014bcc0a53a11d2dbe871e9
        git remote add rcar https://git.kernel.org/pub/scm/linux/kernel/git/kbingham/rcar.git
        git fetch --no-tags rcar vsp1/v3u
        git checkout 8eeafa770890834ee014bcc0a53a11d2dbe871e9
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=ia64 

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 >>):

   drivers/media/platform/rcar-fcp.c:55: warning: Function parameter or member 'fcp' not described in 'fcp_write'
   drivers/media/platform/rcar-fcp.c:55: warning: Function parameter or member 'value' not described in 'fcp_write'
   drivers/media/platform/rcar-fcp.c:55: warning: Function parameter or member 'offset' not described in 'fcp_write'
>> drivers/media/platform/rcar-fcp.c:55: warning: expecting prototype for rcar_fcp_get(). Prototype was for fcp_write() instead


vim +55 drivers/media/platform/rcar-fcp.c

    39	
    40	/* -----------------------------------------------------------------------------
    41	 * Public API
    42	 */
    43	
    44	/**
    45	 * rcar_fcp_get - Find and acquire a reference to an FCP instance
    46	 * @np: Device node of the FCP instance
    47	 *
    48	 * Search the list of registered FCP instances for the instance corresponding to
    49	 * the given device node.
    50	 *
    51	 * Return a pointer to the FCP instance, or an ERR_PTR if the instance can't be
    52	 * found.
    53	 */
    54	static void fcp_write(struct rcar_fcp_device *fcp, u32 value, u32 offset)
  > 55	{
    56		iowrite32(value, fcp->base + offset);
    57	}
    58	

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

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