[kbuild-all] [helgaas-pci:pci/driver 17/24] drivers/misc/cxl/guest.c:34:29: sparse: sparse: incorrect type in assignment (different modifiers)

tree: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/driver head: 0508b6f72f055b88df518db4f3811bda9bb35da4 commit: 115c9d41e58388415f4956d0a988c90fb48663b9 [17/24] cxl: Factor out common dev->driver expressions config: powerpc64-randconfig-s032-20211025 (attached as .config) compiler: powerpc64-linux-gcc (GCC) 11.2.0 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-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/commit/?i... git remote add helgaas-pci https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git git fetch --no-tags helgaas-pci pci/driver git checkout 115c9d41e58388415f4956d0a988c90fb48663b9 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/misc/cxl/guest.c:34:29: sparse: expected struct pci_error_handlers *err_handler drivers/misc/cxl/guest.c:34:29: sparse: got struct pci_error_handlers const *err_handler drivers/misc/cxl/guest.c:108:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] phys_addr @@ got restricted __be64 [usertype] @@ drivers/misc/cxl/guest.c:108:33: sparse: expected unsigned long long [usertype] phys_addr drivers/misc/cxl/guest.c:108:33: sparse: got restricted __be64 [usertype] drivers/misc/cxl/guest.c:109:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] len @@ got restricted __be64 [usertype] @@ drivers/misc/cxl/guest.c:109:27: sparse: expected unsigned long long [usertype] len drivers/misc/cxl/guest.c:109:27: sparse: got restricted __be64 [usertype] drivers/misc/cxl/guest.c:111:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] len @@ got restricted __be64 [usertype] @@ drivers/misc/cxl/guest.c:111:35: sparse: expected unsigned long long [usertype] len drivers/misc/cxl/guest.c:111:35: sparse: got restricted __be64 [usertype] drivers/misc/cxl/guest.c:443:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned short const volatile [noderef] [usertype] __iomem *addr @@ got unsigned short [usertype] * @@ drivers/misc/cxl/guest.c:443:33: sparse: expected unsigned short const volatile [noderef] [usertype] __iomem *addr drivers/misc/cxl/guest.c:443:33: sparse: got unsigned short [usertype] * drivers/misc/cxl/guest.c:446:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned int const volatile [noderef] [usertype] __iomem *addr @@ got unsigned int * @@ drivers/misc/cxl/guest.c:446:33: sparse: expected unsigned int const volatile [noderef] [usertype] __iomem *addr drivers/misc/cxl/guest.c:446:33: sparse: got unsigned int * drivers/misc/cxl/guest.c:449:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long const volatile [noderef] [usertype] __iomem *addr @@ got unsigned long long [usertype] * @@ drivers/misc/cxl/guest.c:449:33: sparse: expected unsigned long long const volatile [noderef] [usertype] __iomem *addr drivers/misc/cxl/guest.c:449:33: sparse: got unsigned long long [usertype] * drivers/misc/cxl/guest.c:537:23: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:537:23: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:537:23: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:538:23: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:538:23: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:538:23: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:540:31: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:540:31: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:540:31: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:543:23: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:543:23: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:543:23: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:544:23: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:544:23: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:544:23: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:546:31: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:546:31: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:546:31: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:549:31: sparse: sparse: invalid assignment: |= drivers/misc/cxl/guest.c:549:31: sparse: left side has type restricted __be64 drivers/misc/cxl/guest.c:549:31: sparse: right side has type unsigned long long drivers/misc/cxl/guest.c:552:31: sparse: sparse: cast from restricted __be64 -- drivers/misc/cxl/pci.c:1816:29: sparse: expected struct pci_error_handlers *err_handler drivers/misc/cxl/pci.c:1816:29: sparse: got struct pci_error_handlers const *err_handler drivers/misc/cxl/pci.c:2041:37: sparse: sparse: incorrect type in assignment (different modifiers) @@ expected struct pci_error_handlers *err_handler @@ got struct pci_error_handlers const *err_handler @@ drivers/misc/cxl/pci.c:2041:37: sparse: expected struct pci_error_handlers *err_handler drivers/misc/cxl/pci.c:2041:37: sparse: got struct pci_error_handlers const *err_handler drivers/misc/cxl/pci.c:2090:37: sparse: sparse: incorrect type in assignment (different modifiers) @@ expected struct pci_error_handlers *err_handler @@ got struct pci_error_handlers const *err_handler @@ drivers/misc/cxl/pci.c:2090:37: sparse: expected struct pci_error_handlers *err_handler drivers/misc/cxl/pci.c:2090:37: sparse: got struct pci_error_handlers const *err_handler vim +34 drivers/misc/cxl/guest.c 17 18 static void pci_error_handlers(struct cxl_afu *afu, 19 int bus_error_event, 20 pci_channel_state_t state) 21 { 22 struct pci_dev *afu_dev; 23 struct pci_driver *afu_drv; 24 struct pci_error_handlers *err_handler; 25 26 if (afu->phb == NULL) 27 return; 28 29 list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { 30 afu_drv = afu_dev->driver; 31 if (!afu_drv) 32 continue; 33 35 switch (bus_error_event) { 36 case CXL_ERROR_DETECTED_EVENT: 37 afu_dev->error_state = state; 38 39 if (err_handler && 40 err_handler->error_detected) 41 err_handler->error_detected(afu_dev, state); 42 break; 43 case CXL_SLOT_RESET_EVENT: 44 afu_dev->error_state = state; 45 46 if (err_handler && 47 err_handler->slot_reset) 48 err_handler->slot_reset(afu_dev); 49 break; 50 case CXL_RESUME_EVENT: 51 if (err_handler && 52 err_handler->resume) 53 err_handler->resume(afu_dev); 54 break; 55 } 56 } 57 } 58 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org