[jens.wiklander:optee_ffa 6/6] drivers/tee/optee/core.c:767: warning: expecting prototype for optee_to_msg_param(). Prototype was for optee_ffa_to_msg_param() instead

[jens.wiklander:optee_ffa 6/6] drivers/tee/optee/core.c:767: warning: expecting prototype for optee_to_msg_param(). Prototype was for optee_ffa_to_msg_param() instead

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 3043 bytes --]

tree:   https://git.linaro.org/people/jens.wiklander/linux-tee.git optee_ffa
head:   02b1370cb1f0bee42b69e9267674600920d7da99
commit: 02b1370cb1f0bee42b69e9267674600920d7da99 [6/6] optee: add FF-A support
config: arm64-randconfig-r004-20210525 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 99155e913e9bad5f7f8a247f8bb3a3ff3da74af1)
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
        git remote add jens.wiklander https://git.linaro.org/people/jens.wiklander/linux-tee.git
        git fetch --no-tags jens.wiklander optee_ffa
        git checkout 02b1370cb1f0bee42b69e9267674600920d7da99
        # 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/tee/optee/core.c:767: warning: expecting prototype for optee_to_msg_param(). Prototype was for optee_ffa_to_msg_param() instead


vim +767 drivers/tee/optee/core.c

   754	
   755	/**
   756	 * optee_to_msg_param() - convert from struct tee_params to OPTEE_MSG parameters
   757	 * @optee:	main service struct
   758	 * @msg_params:	OPTEE_MSG parameters
   759	 * @num_params:	number of elements in the parameter arrays
   760	 * @params:	subsystem itnernal parameter representation
   761	 * Returns 0 on success or <0 on failure
   762	 */
   763	static int optee_ffa_to_msg_param(struct optee *optee,
   764					  struct optee_msg_param *msg_params,
   765					  size_t num_params,
   766					  const struct tee_param *params)
 > 767	{
   768		size_t n;
   769	
   770		for (n = 0; n < num_params; n++) {
   771			const struct tee_param *p = params + n;
   772			struct optee_msg_param *mp = msg_params + n;
   773	
   774			switch (p->attr) {
   775			case TEE_IOCTL_PARAM_ATTR_TYPE_NONE:
   776				mp->attr = TEE_IOCTL_PARAM_ATTR_TYPE_NONE;
   777				memset(&mp->u, 0, sizeof(mp->u));
   778				break;
   779			case TEE_IOCTL_PARAM_ATTR_TYPE_VALUE_INPUT:
   780			case TEE_IOCTL_PARAM_ATTR_TYPE_VALUE_OUTPUT:
   781			case TEE_IOCTL_PARAM_ATTR_TYPE_VALUE_INOUT:
   782				to_msg_param_value(mp, p);
   783				break;
   784			case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INPUT:
   785			case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_OUTPUT:
   786			case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INOUT:
   787				if (to_msg_param_ffa_mem(mp, p))
   788					return -EINVAL;
   789				break;
   790			default:
   791				return -EINVAL;
   792			}
   793		}
   794	
   795		return 0;
   796	}
   797	

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

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 32515 bytes --]