Messages in this thread | | | Date | Mon, 4 Apr 2022 23:27:14 +0800 | From | kernel test robot <> | Subject | arch/arm/mach-iop32x/cp6.c:10:6: warning: no previous prototype for 'iop_enable_cp6' |
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Hi Arnd,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3123109284176b1532874591f7c81f3837bbdc17 commit: 6f5d248d05db9c4991366154f1a657a630faa583 ARM: iop32x: use GENERIC_IRQ_MULTI_HANDLER date: 4 months ago config: arm-randconfig-r002-20220404 (https://download.01.org/0day-ci/archive/20220404/202204042312.fVSuandr-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 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=6f5d248d05db9c4991366154f1a657a630faa583 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 6f5d248d05db9c4991366154f1a657a630faa583 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash
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/arm/mach-iop32x/cp6.c:10:6: warning: no previous prototype for 'iop_enable_cp6' [-Wmissing-prototypes] 10 | void iop_enable_cp6(void) | ^~~~~~~~~~~~~~ arch/arm/mach-iop32x/cp6.c:43:13: warning: no previous prototype for 'iop_init_cp6_handler' [-Wmissing-prototypes] 43 | void __init iop_init_cp6_handler(void) | ^~~~~~~~~~~~~~~~~~~~
vim +/iop_enable_cp6 +10 arch/arm/mach-iop32x/cp6.c
9 > 10 void iop_enable_cp6(void) 11 { 12 u32 temp; 13 14 /* enable cp6 access */ 15 asm volatile ( 16 "mrc p15, 0, %0, c15, c1, 0\n\t" 17 "orr %0, %0, #(1 << 6)\n\t" 18 "mcr p15, 0, %0, c15, c1, 0\n\t" 19 "mrc p15, 0, %0, c15, c1, 0\n\t" 20 "mov %0, %0\n\t" 21 "sub pc, pc, #4 @ cp_wait\n\t" 22 : "=r"(temp)); 23 } 24
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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