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Subject[ammarfaizi2-block:google/android/kernel/common/android-trusty-5.4 1704/6879] drivers/scsi/ufs/ufshcd-crypto.c:250:26: warning: no previous prototype for function 'ufshcd_blk_crypto_mode_num_for_alg_dusize'
Hi Satya,

FYI, the error/warning still remains.

tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-trusty-5.4
head: d556bac5a4d65c759ce3c5a7529aef568f05f650
commit: b7b3af961465d23a733bb44d4a49bb78d4d5b08f [1704/6879] BACKPORT: FROMLIST: Update Inline Encryption from v5 to v6 of patch series
config: x86_64-randconfig-a006-20220321 (https://download.01.org/0day-ci/archive/20220323/202203230002.OizN3iAm-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 85e9b2687a13d1908aa86d1b89c5ce398a06cd39)
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://github.com/ammarfaizi2/linux-block/commit/b7b3af961465d23a733bb44d4a49bb78d4d5b08f
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-trusty-5.4
git checkout b7b3af961465d23a733bb44d4a49bb78d4d5b08f
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/power/supply/charger-manager.ko drivers/scsi/ufs/

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/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.


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://01.org/lkp

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