tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a4849f6000e29235a2707f22e39da6b897bb9543 commit: a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c hinic: add mailbox function support date: 1 year, 7 months ago config: x86_64-randconfig-s022-20211124 (https://download.01.org/0day-ci/archive/20211126/202111262338.GOesGUUr-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a425b6e1c69ba907b72b737a4d44f8cfbc43ce3c # save the config file to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:543:54: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] *addr @@ got unsigned char [usertype] * @@ drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:543:54: sparse: expected void volatile [noderef] *addr drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:543:54: sparse: got unsigned char [usertype] * drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:566:58: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] *addr @@ got unsigned char [usertype] * @@ drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:566:58: sparse: expected void volatile [noderef] *addr drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:566:58: sparse: got unsigned char [usertype] * drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:601:6: sparse: sparse: symbol 'dump_mox_reg' was not declared. Should it be static? >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64 >> drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:618:22: sparse: sparse: cast to restricted __be64 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:1057:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char [usertype] *data @@ got void [noderef] * @@ drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:1057:25: sparse: expected unsigned char [usertype] *data drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c:1057:25: sparse: got void [noderef] * drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c: note: in included file: drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@ drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype] drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@ drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype] drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32 drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32 drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32 drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32 drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32 drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32 drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32 drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32 drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32 drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32 drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32 drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:250:16: sparse: sparse: cast to restricted __be32 drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@ drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype] drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@ drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype] drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@ drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype] drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@ drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: expected unsigned int val drivers/net/ethernet/huawei/hinic/hinic_hw_if.h:256:16: sparse: got restricted __be32 [usertype] vim +618 drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c 614 615 static u16 get_mbox_status(struct hinic_send_mbox *mbox) 616 { 617 /* write back is 16B, but only use first 4B */ > 618 u64 wb_val = be64_to_cpu(*mbox->wb_status); 619 620 rmb(); /* verify reading before check */ 621 622 return (u16)(wb_val & MBOX_WB_STATUS_ERRCODE_MASK); 623 } 624 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org