Hi Manivannan, I love your patch! Yet something to improve: [auto build test ERROR on pci/next] [also build test ERROR on pci/for-linus jonmason-ntb/ntb-next linus/master v6.3-rc1 next-20230310] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Manivannan-Sadhasivam/PCI-endpoint-Pass-EPF-device-ID-to-the-probe-function/20230307-232050 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/20230307151416.176595-2-manivannan.sadhasivam%40linaro.org patch subject: [PATCH v2 1/7] PCI: endpoint: Pass EPF device ID to the probe function config: x86_64-randconfig-a016-20220905 (https://download.01.org/0day-ci/archive/20230312/202303121526.qVIG9eBb-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/26f2c0c8a0b85aceb28bc5688851fab125a55ac6 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Manivannan-Sadhasivam/PCI-endpoint-Pass-EPF-device-ID-to-the-probe-function/20230307-232050 git checkout 26f2c0c8a0b85aceb28bc5688851fab125a55ac6 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303121526.qVIG9eBb-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/pci/endpoint/functions/pci-epf-vntb.c:1433:27: error: initialization of 'int (*)(struct pci_epf *, const struct pci_epf_device_id *)' from incompatible pointer type 'int (*)(struct pci_epf *)' [-Werror=incompatible-pointer-types] 1433 | .probe = epf_ntb_probe, | ^~~~~~~~~~~~~ drivers/pci/endpoint/functions/pci-epf-vntb.c:1433:27: note: (near initialization for 'epf_ntb_driver.probe') cc1: some warnings being treated as errors vim +1433 drivers/pci/endpoint/functions/pci-epf-vntb.c e35f56bb03304a Frank Li 2022-02-22 1430 e35f56bb03304a Frank Li 2022-02-22 1431 static struct pci_epf_driver epf_ntb_driver = { e35f56bb03304a Frank Li 2022-02-22 1432 .driver.name = "pci_epf_vntb", e35f56bb03304a Frank Li 2022-02-22 @1433 .probe = epf_ntb_probe, e35f56bb03304a Frank Li 2022-02-22 1434 .id_table = epf_ntb_ids, e35f56bb03304a Frank Li 2022-02-22 1435 .ops = &epf_ntb_ops, e35f56bb03304a Frank Li 2022-02-22 1436 .owner = THIS_MODULE, e35f56bb03304a Frank Li 2022-02-22 1437 }; e35f56bb03304a Frank Li 2022-02-22 1438 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests