Hi Hans, kernel test robot noticed the following build errors: [auto build test ERROR on a1cffe8cc8aef85f1b07c4464f0998b9785b795a] url: https://github.com/intel-lab-lkp/linux/commits/Hans-Zhang/PCI-Introduce-generic-capability-search-functions/20250321-120748 base: a1cffe8cc8aef85f1b07c4464f0998b9785b795a patch link: https://lore.kernel.org/r/20250321040358.360755-2-18255117159%40163.com patch subject: [v3 1/4] PCI: Introduce generic capability search functions config: arc-randconfig-002-20250321 (https://download.01.org/0day-ci/archive/20250321/202503211726.DEvDBGk8-lkp@xxxxxxxxx/config) compiler: arc-linux-gcc (GCC) 11.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250321/202503211726.DEvDBGk8-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/202503211726.DEvDBGk8-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): In file included from drivers/nvme/host/nvme.h:11, from drivers/nvme/host/fc.c:13: >> include/linux/pci.h:2021:4: warning: no previous prototype for 'pci_generic_find_capability' [-Wmissing-prototypes] 2021 | u8 pci_generic_find_capability(void *priv, pci_generic_read_cfg read_cfg, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> include/linux/pci.h:2024:5: warning: no previous prototype for 'pci_generic_find_ext_capability' [-Wmissing-prototypes] 2024 | u16 pci_generic_find_ext_capability(void *priv, pci_generic_read_cfg read_cfg, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- arc-linux-ld: drivers/scsi/libsas/sas_phy.o: in function `pci_generic_find_capability': >> sas_phy.c:(.text+0x148): multiple definition of `pci_generic_find_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd18): first defined here arc-linux-ld: drivers/scsi/libsas/sas_phy.o: in function `pci_generic_find_ext_capability': >> sas_phy.c:(.text+0x150): multiple definition of `pci_generic_find_ext_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd20): first defined here arc-linux-ld: drivers/scsi/libsas/sas_port.o: in function `pci_generic_find_capability': sas_port.c:(.text+0x1c8): multiple definition of `pci_generic_find_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd18): first defined here arc-linux-ld: drivers/scsi/libsas/sas_port.o: in function `pci_generic_find_ext_capability': sas_port.c:(.text+0x1d0): multiple definition of `pci_generic_find_ext_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd20): first defined here arc-linux-ld: drivers/scsi/libsas/sas_event.o: in function `pci_generic_find_capability': sas_event.c:(.text+0xf8): multiple definition of `pci_generic_find_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd18): first defined here arc-linux-ld: drivers/scsi/libsas/sas_event.o: in function `pci_generic_find_ext_capability': sas_event.c:(.text+0x100): multiple definition of `pci_generic_find_ext_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd20): first defined here arc-linux-ld: drivers/scsi/libsas/sas_discover.o: in function `pci_generic_find_capability': sas_discover.c:(.text+0x874): multiple definition of `pci_generic_find_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd18): first defined here arc-linux-ld: drivers/scsi/libsas/sas_discover.o: in function `pci_generic_find_ext_capability': sas_discover.c:(.text+0x87c): multiple definition of `pci_generic_find_ext_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd20): first defined here arc-linux-ld: drivers/scsi/libsas/sas_expander.o: in function `pci_generic_find_capability': sas_expander.c:(.text+0x2378): multiple definition of `pci_generic_find_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd18): first defined here arc-linux-ld: drivers/scsi/libsas/sas_expander.o: in function `pci_generic_find_ext_capability': sas_expander.c:(.text+0x2380): multiple definition of `pci_generic_find_ext_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd20): first defined here arc-linux-ld: drivers/scsi/libsas/sas_scsi_host.o: in function `pci_generic_find_capability': sas_scsi_host.c:(.text+0x17c0): multiple definition of `pci_generic_find_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd18): first defined here arc-linux-ld: drivers/scsi/libsas/sas_scsi_host.o: in function `pci_generic_find_ext_capability': sas_scsi_host.c:(.text+0x17c8): multiple definition of `pci_generic_find_ext_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd20): first defined here arc-linux-ld: drivers/scsi/libsas/sas_task.o: in function `pci_generic_find_capability': sas_task.c:(.text+0xd4): multiple definition of `pci_generic_find_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd18): first defined here arc-linux-ld: drivers/scsi/libsas/sas_task.o: in function `pci_generic_find_ext_capability': sas_task.c:(.text+0xdc): multiple definition of `pci_generic_find_ext_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd20): first defined here arc-linux-ld: drivers/scsi/libsas/sas_host_smp.o: in function `pci_generic_find_capability': sas_host_smp.c:(.text+0x48): multiple definition of `pci_generic_find_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd18): first defined here arc-linux-ld: drivers/scsi/libsas/sas_host_smp.o: in function `pci_generic_find_ext_capability': sas_host_smp.c:(.text+0x50): multiple definition of `pci_generic_find_ext_capability'; drivers/scsi/libsas/sas_init.o:sas_init.c:(.text+0xd20): first defined here -- arc-linux-ld: drivers/pcmcia/cistpl.o: in function `pci_generic_find_capability': >> cistpl.c:(.text+0xfac): multiple definition of `pci_generic_find_capability'; drivers/pcmcia/pcmcia_resource.o:pcmcia_resource.c:(.text+0x1244): first defined here arc-linux-ld: drivers/pcmcia/cistpl.o: in function `pci_generic_find_ext_capability': >> cistpl.c:(.text+0xfb4): multiple definition of `pci_generic_find_ext_capability'; drivers/pcmcia/pcmcia_resource.o:pcmcia_resource.c:(.text+0x124c): first defined here -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
