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Subject[ammarfaizi2-block:crng/random/jd/not-zero-entropy 3/12] kernel/time/timekeeping.c:2388: warning: expecting prototype for random_read_entropy_fallback(). Prototype was for random_get_entropy_fallback() instead
tree:   https://github.com/ammarfaizi2/linux-block crng/random/jd/not-zero-entropy
head: 4ee3bf173a552cd996e048d57f65bb5b471ab577
commit: aeeed98e20910aeafd5db8c56b449810b60bad9f [3/12] timekeeping: add raw clock fallback for random_get_entropy()
config: i386-randconfig-a003-20220411 (https://download.01.org/0day-ci/archive/20220412/202204121736.FCps0gwC-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project fe2478d44e4f7f191c43fef629ac7a23d0251e72)
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/aeeed98e20910aeafd5db8c56b449810b60bad9f
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block crng/random/jd/not-zero-entropy
git checkout aeeed98e20910aeafd5db8c56b449810b60bad9f
# 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=i386 SHELL=/bin/bash kernel/time/

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 >>):

kernel/time/timekeeping.c:1684: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* We have three kinds of time sources to use for sleep time
kernel/time/timekeeping.c:1705: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* 1) can be determined whether to use or not only when doing
>> kernel/time/timekeeping.c:2388: warning: expecting prototype for random_read_entropy_fallback(). Prototype was for random_get_entropy_fallback() instead
kernel/time/timekeeping.c:2396: warning: Function parameter or member 'txc' not described in 'do_adjtimex'
kernel/time/timekeeping.c:2462: warning: Function parameter or member 'phase_ts' not described in 'hardpps'
kernel/time/timekeeping.c:2462: warning: Function parameter or member 'raw_ts' not described in 'hardpps'


vim +2388 kernel/time/timekeeping.c

2382
2383 /**
2384 * random_read_entropy_fallback - Returns the raw clock source value,
2385 * used by random.c for platforms with no valid random_get_entropy().
2386 */
2387 unsigned long random_get_entropy_fallback(void)
> 2388 {
2389 return tk_clock_read(&tk_core.timekeeper.tkr_mono);
2390 }
2391

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

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