tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ac0ba5454ca85162c08dc429fef1999e077ca976 commit: ff32fac00d97661c715ee47bbfd867cae1f3aaf8 [3913/4996] NTB: EPF: support NTB transfer between PCI RC and EP connection config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20220622/202206221813.Dn1s6uuh-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project af6d2a0b6825e71965f3e2701a63c239fa0ad70f) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ff32fac00d97661c715ee47bbfd867cae1f3aaf8 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout ff32fac00d97661c715ee47bbfd867cae1f3aaf8 # 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=arm64 SHELL=/bin/bash drivers/net/ drivers/pci/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/pci/endpoint/functions/pci-epf-vntb.c:975:5: warning: no previous prototype for function 'pci_read' [-Wmissing-prototypes] int pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val) ^ drivers/pci/endpoint/functions/pci-epf-vntb.c:975:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val) ^ static >> drivers/pci/endpoint/functions/pci-epf-vntb.c:984:5: warning: no previous prototype for function 'pci_write' [-Wmissing-prototypes] int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val) ^ drivers/pci/endpoint/functions/pci-epf-vntb.c:984:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val) ^ static 2 warnings generated. vim +/pci_read +975 drivers/pci/endpoint/functions/pci-epf-vntb.c 974 > 975 int pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val) 976 { 977 if (devfn == 0) { 978 memcpy(val, ((uint8_t *)pci_space) + where, size); 979 return 0; 980 } 981 return -1; 982 } 983 > 984 int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val) 985 { 986 return 0; 987 } 988 -- 0-DAY CI Kernel Test Service https://01.org/lkp
