Messages in this thread | | | Date | Sat, 6 Aug 2022 22:39:24 +0800 | From | kernel test robot <> | Subject | drivers/irqchip/irq-loongson-pch-pic.c:51:5: warning: no previous prototype for function 'find_pch_pic' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6614a3c3164a5df2b54abb0b3559f51041cf705b commit: bcdd75c596c89d7925a3438fde2578ca23a62b06 irqchip/loongson-pch-pic: Add ACPI init support date: 2 weeks ago config: mips-loongson2k_defconfig (https://download.01.org/0day-ci/archive/20220806/202208062228.5NkhxzNQ-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 26dd42705c2af0b8f6e5d6cdb32c9bd5ed9524eb) 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 mips cross compiling tool for clang build # apt-get install binutils-mips64el-linux-gnuabi64 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bcdd75c596c89d7925a3438fde2578ca23a62b06 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout bcdd75c596c89d7925a3438fde2578ca23a62b06 # 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=mips SHELL=/bin/bash drivers/irqchip/
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/irqchip/irq-loongson-pch-pic.c:51:5: warning: no previous prototype for function 'find_pch_pic' [-Wmissing-prototypes] int find_pch_pic(u32 gsi) ^ drivers/irqchip/irq-loongson-pch-pic.c:51:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int find_pch_pic(u32 gsi) ^ static 1 warning generated.
vim +/find_pch_pic +51 drivers/irqchip/irq-loongson-pch-pic.c
50 > 51 int find_pch_pic(u32 gsi) 52 { 53 int i; 54 55 /* Find the PCH_PIC that manages this GSI. */ 56 for (i = 0; i < MAX_IO_PICS; i++) { 57 struct pch_pic *priv = pch_pic_priv[i]; 58 59 if (!priv) 60 return -1; 61 62 if (gsi >= priv->gsi_base && gsi < (priv->gsi_base + priv->vec_count)) 63 return i; 64 } 65 66 pr_err("ERROR: Unable to locate PCH_PIC for GSI %d\n", gsi); 67 return -1; 68 } 69
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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