Hi, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.14-rc3 next-20210726] [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/trix-redhat-com/fpga-region-handle-compat_id-as-an-uuid/20210727-042850 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git ff1176468d368232b684f75e82563369208bc371 config: x86_64-randconfig-s032-20210726 (attached as .config) compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://github.com/0day-ci/linux/commit/fc6e727a3f214d2b60561c3accc1f054982e2281 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review trix-redhat-com/fpga-region-handle-compat_id-as-an-uuid/20210727-042850 git checkout fc6e727a3f214d2b60561c3accc1f054982e2281 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 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/fpga/dfl-fme-mgr.c:278:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] id_l @@ got restricted __be64 [usertype] @@ drivers/fpga/dfl-fme-mgr.c:278:18: sparse: expected unsigned long long [usertype] id_l drivers/fpga/dfl-fme-mgr.c:278:18: sparse: got restricted __be64 [usertype] >> drivers/fpga/dfl-fme-mgr.c:279:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] id_h @@ got restricted __be64 [usertype] @@ drivers/fpga/dfl-fme-mgr.c:279:18: sparse: expected unsigned long long [usertype] id_h drivers/fpga/dfl-fme-mgr.c:279:18: sparse: got restricted __be64 [usertype] vim +278 drivers/fpga/dfl-fme-mgr.c 274 275 static void fme_mgr_get_compat_id(void __iomem *fme_pr, 276 union fpga_compat_id *id) 277 { > 278 id->id_l = cpu_to_be64(readq(fme_pr + FME_PR_INTFC_ID_L)); > 279 id->id_h = cpu_to_be64(readq(fme_pr + FME_PR_INTFC_ID_H)); 280 } 281 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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