[android-common:android-4.19-stable 12115/29325] drivers/scsi/ufs/ufshcd-crypto.c:250:26: warning: no previous prototype for function 'ufshcd_blk_crypto_mode_num_for_alg_dusize'

[kernel test robot <lkp@intel.com>]

Hi Satya,

FYI, the error/warning still remains.

tree:   https://android.googlesource.com/kernel/common android-4.19-stable
head:   e8676808abe2a4dd79bd76700719c360d84b343d
commit: b01c73ea7129745ce9d94b8d3b35663b716cd95b [12115/29325] BACKPORT: FROMLIST: Update Inline Encryption from v5 to v6 of patch series
config: x86_64-randconfig-a002-20230403 (https://download.01.org/0day-ci/archive/20230404/202304041135.KBeeeWHu-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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 remote add android-common https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common android-4.19-stable
        git checkout b01c73ea7129745ce9d94b8d3b35663b716cd95b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/scsi/ufs/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304041135.KBeeeWHu-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/scsi/ufs/ufshcd-crypto.c:250:26: warning: no previous prototype for function 'ufshcd_blk_crypto_mode_num_for_alg_dusize' [-Wmissing-prototypes]
   enum blk_crypto_mode_num ufshcd_blk_crypto_mode_num_for_alg_dusize(
                            ^
   drivers/scsi/ufs/ufshcd-crypto.c:250:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   enum blk_crypto_mode_num ufshcd_blk_crypto_mode_num_for_alg_dusize(
   ^
   static 
   1 warning generated.
   drivers/scsi/ufs/ufshcd-crypto.c:272: warning: Function parameter or member 'ksm_ops' not described in 'ufshcd_hba_init_crypto_spec'


vim +/ufshcd_blk_crypto_mode_num_for_alg_dusize +250 drivers/scsi/ufs/ufshcd-crypto.c

   249	
 > 250	enum blk_crypto_mode_num ufshcd_blk_crypto_mode_num_for_alg_dusize(
   251						enum ufs_crypto_alg ufs_crypto_alg,
   252						enum ufs_crypto_key_size key_size)
   253	{
   254		/*
   255		 * This is currently the only mode that UFS and blk-crypto both support.
   256		 */
   257		if (ufs_crypto_alg == UFS_CRYPTO_ALG_AES_XTS &&
   258			key_size == UFS_CRYPTO_KEY_SIZE_256)
   259			return BLK_ENCRYPTION_MODE_AES_256_XTS;
   260	
   261		return BLK_ENCRYPTION_MODE_INVALID;
   262	}
   263	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests