[linux-next:master 4273/10489] drivers/firmware/arm_ffa/driver.c:123: warning: expecting prototype for FF(). Prototype was for FFA_PAGE_SIZE() instead

[linux-next:master 4273/10489] drivers/firmware/arm_ffa/driver.c:123: warning: expecting prototype for FF(). Prototype was for FFA_PAGE_SIZE() instead

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   c7d4c1fd91ab4a6d2620497921a9c6bf54650ab8
commit: 3bbfe9871005f38df2955b2e125933edf1d2feef [4273/10489] firmware: arm_ffa: Add initial Arm FFA driver support
config: arm64-randconfig-r024-20210617 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=3bbfe9871005f38df2955b2e125933edf1d2feef
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 3bbfe9871005f38df2955b2e125933edf1d2feef
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

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/firmware/arm_ffa/driver.c:123: warning: expecting prototype for FF(). Prototype was for FFA_PAGE_SIZE() instead


vim +123 drivers/firmware/arm_ffa/driver.c

   110	
   111	#define SENDER_ID_MASK		GENMASK(31, 16)
   112	#define RECEIVER_ID_MASK	GENMASK(15, 0)
   113	#define SENDER_ID(x)		((u16)(FIELD_GET(SENDER_ID_MASK, (x))))
   114	#define RECEIVER_ID(x)		((u16)(FIELD_GET(RECEIVER_ID_MASK, (x))))
   115	#define PACK_TARGET_INFO(s, r)		\
   116		(FIELD_PREP(SENDER_ID_MASK, (s)) | FIELD_PREP(RECEIVER_ID_MASK, (r)))
   117	
   118	/**
   119	 * FF-A specification mentions explicitly about '4K pages'. This should
   120	 * not be confused with the kernel PAGE_SIZE, which is the translation
   121	 * granule kernel is configured and may be one among 4K, 16K and 64K.
   122	 */
 > 123	#define FFA_PAGE_SIZE		SZ_4K
   124	/*
   125	 * Keeping RX TX buffer size as 4K for now
   126	 * 64K may be preferred to keep it min a page in 64K PAGE_SIZE config
   127	 */
   128	#define RXTX_BUFFER_SIZE	SZ_4K
   129	

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

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