Messages in this thread | | | Date | Sat, 13 Aug 2022 09:08:03 +0800 | From | kernel test robot <> | Subject | arch/arm/mach-omap2/board-generic.c:44:6: warning: no previous prototype for function 'tick_broadcast' |
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Hi Arnd,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4a9350597aff50bbd0f4b80ccf49d2e02d1111f5 commit: 09f6b27d5ddd9ad0ec096d1b0f8decdacc70f0f8 ARM: dove: multiplatform support date: 4 months ago config: arm-randconfig-r021-20220812 (https://download.01.org/0day-ci/archive/20220813/202208130946.TObnunCr-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 5f1c7e2cc5a3c07cbc2412e851a7283c1841f520) 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 # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=09f6b27d5ddd9ad0ec096d1b0f8decdacc70f0f8 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 09f6b27d5ddd9ad0ec096d1b0f8decdacc70f0f8 # 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=arm SHELL=/bin/bash
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 >>):
>> arch/arm/mach-omap2/board-generic.c:44:6: warning: no previous prototype for function 'tick_broadcast' [-Wmissing-prototypes] void tick_broadcast(const struct cpumask *mask) ^ arch/arm/mach-omap2/board-generic.c:44:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void tick_broadcast(const struct cpumask *mask) ^ static 1 warning generated.
Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for TEGRA20_APB_DMA Depends on [n]: DMADEVICES [=n] && (ARCH_TEGRA [=y] || COMPILE_TEST [=y]) Selected by [y]: - SOC_TEGRA_FUSE [=y] && ARCH_TEGRA [=y] && ARCH_TEGRA_2x_SOC [=y]
vim +/tick_broadcast +44 arch/arm/mach-omap2/board-generic.c
e69b4e1a7577c1 Tony Lindgren 2020-05-07 41 d86ad463d6706d Tony Lindgren 2020-05-28 42 /* Used by am437x for ARM timer in non-SMP configurations */ d86ad463d6706d Tony Lindgren 2020-05-28 43 #if !defined(CONFIG_SMP) && defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) d86ad463d6706d Tony Lindgren 2020-05-28 @44 void tick_broadcast(const struct cpumask *mask) d86ad463d6706d Tony Lindgren 2020-05-28 45 { d86ad463d6706d Tony Lindgren 2020-05-28 46 } d86ad463d6706d Tony Lindgren 2020-05-28 47 #endif d86ad463d6706d Tony Lindgren 2020-05-28 48
:::::: The code at line 44 was first introduced by commit :::::: d86ad463d6706d35167418660ae3293207ee9d1c ARM: OMAP2+: Fix regression for using local timer on non-SMP SoCs
:::::: TO: Tony Lindgren <tony@atomide.com> :::::: CC: Arnd Bergmann <arnd@arndb.de>
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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