tree:   https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-4.19-stable
head:   22fdca5318397c60f564ba993e10e37af63a2c37
commit: eb54e7323628bf827eab028d14d8171f8dd6777e [523/9999] ANDROID: mmc: MMC crypto API
config: m68k-randconfig-r006-20220905
compiler: m68k-linux-gcc (GCC) 12.1.0
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://github.com/ammarfaizi2/linux-block/commit/eb54e7323628bf827eab028d14d8171f8dd6777e
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-4.19-stable
        git checkout eb54e7323628bf827eab028d14d8171f8dd6777e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/mmc/core/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/mmc/core/crypto.c:14:6: warning: no previous prototype for 'mmc_crypto_setup_queue' [-Wmissing-prototypes]
      14 | void mmc_crypto_setup_queue(struct mmc_host *host, struct request_queue *q)
         |      ^~~~~~~~~~~~~~~~~~~~~~
>> drivers/mmc/core/crypto.c:21:6: warning: no previous prototype for 'mmc_crypto_free_host' [-Wmissing-prototypes]
      21 | void mmc_crypto_free_host(struct mmc_host *host)
         |      ^~~~~~~~~~~~~~~~~~~~
>> drivers/mmc/core/crypto.c:26:6: warning: no previous prototype for 'mmc_crypto_prepare_req' [-Wmissing-prototypes]
      26 | void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq)
         |      ^~~~~~~~~~~~~~~~~~~~~~


vim +/mmc_crypto_setup_queue +14 drivers/mmc/core/crypto.c

    13	
  > 14	void mmc_crypto_setup_queue(struct mmc_host *host, struct request_queue *q)
    15	{
    16		if (host->caps2 & MMC_CAP2_CRYPTO)
    17			q->ksm = host->ksm;
    18	}
    19	EXPORT_SYMBOL_GPL(mmc_crypto_setup_queue);
    20	
  > 21	void mmc_crypto_free_host(struct mmc_host *host)
    22	{
    23		keyslot_manager_destroy(host->ksm);
    24	}
    25	
  > 26	void mmc_crypto_prepare_req(struct mmc_queue_req *mqrq)

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp