Hi Suraj, kernel test robot noticed the following build warnings: [auto build test WARNING on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Suraj-Jaiswal/dt-bindings-net-qcom-ethqos-add-binding-doc-for-fault-IRQ-for-sa8775p/20231123-202252 base: net-next/main patch link: https://lore.kernel.org/r/62eaaace3713751cb1ecac3163e857737107ca0e.1700737841.git.quic_jsuraj%40quicinc.com patch subject: [PATCH net-next v3 3/3] net: stmmac: Add driver support for DWMAC5 fault IRQ Support config: arm-defconfig (https://download.01.org/0day-ci/archive/20231124/202311241513.D6JpHWGg-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231124/202311241513.D6JpHWGg-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311241513.D6JpHWGg-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c:693:5: warning: no previous prototype for function 'stmmac_get_fault_intr_config' [-Wmissing-prototypes] int stmmac_get_fault_intr_config(struct platform_device *pdev, struct stmmac_resources *res) ^ drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c:693:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int stmmac_get_fault_intr_config(struct platform_device *pdev, struct stmmac_resources *res) ^ static 1 warning generated. vim +/stmmac_get_fault_intr_config +693 drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c 692 > 693 int stmmac_get_fault_intr_config(struct platform_device *pdev, struct stmmac_resources *res) 694 { 695 int ret = 0; 696 697 res->safety_common_intr = platform_get_irq_byname(pdev, "safety"); 698 699 if (res->safety_common_intr < 0) { 700 if (res->safety_common_intr != -EPROBE_DEFER) 701 dev_err(&pdev->dev, "safety IRQ configuration information not found\n"); 702 ret = 1; 703 } 704 705 return ret; 706 } 707 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
