Hi Abhishek, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on v5.18-rc4] [also build test WARNING on next-20220422] [cannot apply to awilliam-vfio/next] [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/intel-lab-lkp/linux/commits/Abhishek-Sahu/vfio-pci-power-management-changes/20220425-173224 base: af2d861d4cd2a4da5137f795ee3509e6f944a25b config: x86_64-rhel-8.3-kselftests (https://download.01.org/0day-ci/archive/20220426/202204260928.TsUAxMD3-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.2.0-20) 11.2.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/intel-lab-lkp/linux/commit/1d48b86a17606c483f200c1734085ab415dbfc3c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Abhishek-Sahu/vfio-pci-power-management-changes/20220425-173224 git checkout 1d48b86a17606c483f200c1734085ab415dbfc3c # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/vfio/pci/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/vfio/pci/vfio_pci_config.c:703:13: sparse: sparse: restricted pci_power_t degrades to integer drivers/vfio/pci/vfio_pci_config.c:703:22: sparse: sparse: restricted pci_power_t degrades to integer vim +703 drivers/vfio/pci/vfio_pci_config.c 694 695 /* 696 * It takes all the required locks to protect the access of power related 697 * variables and then invokes vfio_pci_set_power_state(). 698 */ 699 static void 700 vfio_lock_and_set_power_state(struct vfio_pci_core_device *vdev, 701 pci_power_t state) 702 { > 703 if (state >= PCI_D3hot) 704 vfio_pci_zap_and_down_write_memory_lock(vdev); 705 else 706 down_write(&vdev->memory_lock); 707 708 vfio_pci_set_power_state(vdev, state); 709 up_write(&vdev->memory_lock); 710 } 711 -- 0-DAY CI Kernel Test Service https://01.org/lkp
