Hi Amey, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on pci/next] [also build test WARNING on pm/linux-next cryptodev/master crypto/master linus/master v5.14-rc3 next-20210730] [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] url: https://github.com/0day-ci/linux/commits/Amey-Narkhede/PCI-Expose-and-manage-PCI-device-reset/20210801-222806 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: x86_64-randconfig-r025-20210801 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 4f71f59bf3d9914188a11d0c41bedbb339d36ff5) 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 # https://github.com/0day-ci/linux/commit/ce304ecb5f2709fa58ef6f16cf8e89ddbd7e42cd git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Amey-Narkhede/PCI-Expose-and-manage-PCI-device-reset/20210801-222806 git checkout ce304ecb5f2709fa58ef6f16cf8e89ddbd7e42cd # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/pci/pci.c:4636:6: warning: no previous prototype for function 'pcie_has_flr' [-Wmissing-prototypes] bool pcie_has_flr(struct pci_dev *dev) ^ drivers/pci/pci.c:4636:1: note: declare 'static' if the function is not intended to be used outside of this translation unit bool pcie_has_flr(struct pci_dev *dev) ^ static 1 warning generated. vim +/pcie_has_flr +4636 drivers/pci/pci.c 3775a209d38aa3 Casey Leedom 2013-08-06 4628 a60a2b73ba69ab Christoph Hellwig 2017-04-14 4629 /** a60a2b73ba69ab Christoph Hellwig 2017-04-14 4630 * pcie_has_flr - check if a device supports function level resets a60a2b73ba69ab Christoph Hellwig 2017-04-14 4631 * @dev: device to check a60a2b73ba69ab Christoph Hellwig 2017-04-14 4632 * a60a2b73ba69ab Christoph Hellwig 2017-04-14 4633 * Returns true if the device advertises support for PCIe function level a60a2b73ba69ab Christoph Hellwig 2017-04-14 4634 * resets. a60a2b73ba69ab Christoph Hellwig 2017-04-14 4635 */ 2d2917f7747805 Alex Williamson 2018-08-09 @4636 bool pcie_has_flr(struct pci_dev *dev) 3775a209d38aa3 Casey Leedom 2013-08-06 4637 { f65fd1aa4f9881 Sasha Neftin 2017-04-03 4638 if (dev->dev_flags & PCI_DEV_FLAGS_NO_FLR_RESET) a60a2b73ba69ab Christoph Hellwig 2017-04-14 4639 return false; 3775a209d38aa3 Casey Leedom 2013-08-06 4640 e8213ae6f11e62 Amey Narkhede 2021-08-01 4641 return FIELD_GET(PCI_EXP_DEVCAP_FLR, dev->devcap) == 1; a60a2b73ba69ab Christoph Hellwig 2017-04-14 4642 } 3775a209d38aa3 Casey Leedom 2013-08-06 4643 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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