Messages in this thread | | | Date | Wed, 1 Mar 2023 04:39:24 +0800 | From | kernel test robot <> | Subject | drivers/pci/pcie/../pci.h:325:17: sparse: sparse: cast from restricted pci_channel_state_t |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: e492250d5252635b6c97d52eddf2792ec26f1ec1 commit: 74ff8864cc842be994853095dba6db48e716400a PCI: hotplug: Allow marking devices as disconnected during bind/unbind date: 13 days ago config: loongarch-randconfig-s042-20230226 (https://download.01.org/0day-ci/archive/20230301/202303010454.jI5Jg2sT-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=74ff8864cc842be994853095dba6db48e716400a git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 74ff8864cc842be994853095dba6db48e716400a # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch SHELL=/bin/bash drivers/
If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@intel.com> | Link: https://lore.kernel.org/oe-kbuild-all/202303010454.jI5Jg2sT-lkp@intel.com/
sparse warnings: (new ones prefixed by >>) drivers/pci/pcie/err.c: note: in included file: >> drivers/pci/pcie/../pci.h:325:17: sparse: sparse: cast from restricted pci_channel_state_t >> drivers/pci/pcie/../pci.h:325:17: sparse: sparse: cast to restricted pci_channel_state_t drivers/pci/pcie/../pci.h:328:23: sparse: sparse: cast from restricted pci_channel_state_t drivers/pci/pcie/../pci.h:328:23: sparse: sparse: cast from restricted pci_channel_state_t drivers/pci/pcie/../pci.h:328:23: sparse: sparse: cast to restricted pci_channel_state_t drivers/pci/pcie/../pci.h:332:23: sparse: sparse: cast from restricted pci_channel_state_t drivers/pci/pcie/../pci.h:332:23: sparse: sparse: cast from restricted pci_channel_state_t drivers/pci/pcie/../pci.h:332:23: sparse: sparse: cast to restricted pci_channel_state_t >> drivers/pci/pcie/../pci.h:325:17: sparse: sparse: cast to restricted pci_channel_state_t drivers/pci/pcie/../pci.h:328:23: sparse: sparse: cast to restricted pci_channel_state_t drivers/pci/pcie/../pci.h:332:23: sparse: sparse: cast to restricted pci_channel_state_t
vim +325 drivers/pci/pcie/../pci.h
306 307 /** 308 * pci_dev_set_io_state - Set the new error state if possible. 309 * 310 * @dev: PCI device to set new error_state 311 * @new: the state we want dev to be in 312 * 313 * If the device is experiencing perm_failure, it has to remain in that state. 314 * Any other transition is allowed. 315 * 316 * Returns true if state has been changed to the requested state. 317 */ 318 static inline bool pci_dev_set_io_state(struct pci_dev *dev, 319 pci_channel_state_t new) 320 { 321 pci_channel_state_t old; 322 323 switch (new) { 324 case pci_channel_io_perm_failure: > 325 xchg(&dev->error_state, pci_channel_io_perm_failure); 326 return true; 327 case pci_channel_io_frozen: 328 old = cmpxchg(&dev->error_state, pci_channel_io_normal, 329 pci_channel_io_frozen); 330 return old != pci_channel_io_perm_failure; 331 case pci_channel_io_normal: 332 old = cmpxchg(&dev->error_state, pci_channel_io_frozen, 333 pci_channel_io_normal); 334 return old != pci_channel_io_perm_failure; 335 default: 336 return false; 337 } 338 } 339
-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
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