From: kernel test robot <lkp@intel.com>
To: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Subject: arch/mips/loongson2ef/common/cs5536/cs5536_mfgpt.c:195:12: warning: no previous prototype for 'init_mfgpt_clocksource'
Date: Fri, 25 Jun 2021 13:00:58 +0800 [thread overview]
Message-ID: <202106251340.J1wMwDOh-lkp@intel.com> (raw)
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Hi Jiaxun,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 44db63d1ad8d71c6932cbe007eb41f31c434d140
commit: b13812ddea615b6507beef24f76540c0c1143c5c MIPS: Loongson2ef: Disable Loongson MMI instructions
date: 9 months ago
config: mips-randconfig-r021-20210625 (attached as .config)
compiler: mips64el-linux-gcc (GCC) 9.3.0
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b13812ddea615b6507beef24f76540c0c1143c5c
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b13812ddea615b6507beef24f76540c0c1143c5c
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips
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 >>):
>> arch/mips/loongson2ef/common/cs5536/cs5536_mfgpt.c:195:12: warning: no previous prototype for 'init_mfgpt_clocksource' [-Wmissing-prototypes]
195 | int __init init_mfgpt_clocksource(void)
| ^~~~~~~~~~~~~~~~~~~~~~
vim +/init_mfgpt_clocksource +195 arch/mips/loongson2ef/common/cs5536/cs5536_mfgpt.c
916daba8a9f261 arch/mips/loongson/common/cs5536/cs5536_mfgpt.c Wu Zhangjin 2009-11-17 194
916daba8a9f261 arch/mips/loongson/common/cs5536/cs5536_mfgpt.c Wu Zhangjin 2009-11-17 @195 int __init init_mfgpt_clocksource(void)
916daba8a9f261 arch/mips/loongson/common/cs5536/cs5536_mfgpt.c Wu Zhangjin 2009-11-17 196 {
916daba8a9f261 arch/mips/loongson/common/cs5536/cs5536_mfgpt.c Wu Zhangjin 2009-11-17 197 if (num_possible_cpus() > 1) /* MFGPT does not scale! */
916daba8a9f261 arch/mips/loongson/common/cs5536/cs5536_mfgpt.c Wu Zhangjin 2009-11-17 198 return 0;
916daba8a9f261 arch/mips/loongson/common/cs5536/cs5536_mfgpt.c Wu Zhangjin 2009-11-17 199
75c4fd8c7862f3 arch/mips/loongson/common/cs5536/cs5536_mfgpt.c John Stultz 2010-04-26 200 return clocksource_register_hz(&clocksource_mfgpt, MFGPT_TICK_RATE);
916daba8a9f261 arch/mips/loongson/common/cs5536/cs5536_mfgpt.c Wu Zhangjin 2009-11-17 201 }
916daba8a9f261 arch/mips/loongson/common/cs5536/cs5536_mfgpt.c Wu Zhangjin 2009-11-17 202
:::::: The code at line 195 was first introduced by commit
:::::: 916daba8a9f2617ded8b9255e6b39f066ef60178 MIPS: Lemote 2F: Add cs5536 MFGPT timer support
:::::: TO: Wu Zhangjin <wuzhangjin@gmail.com>
:::::: CC: Ralf Baechle <ralf@linux-mips.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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