tree: https://github.com/intel/linux-intel-lts.git 5.4/yocto head: 19c99348fd624a151932ed1f9c51390f08d1e293 commit: af5c107dbadcf3645c6ddfe092f522914dcaca12 [9244/9293] net: stmmac: add stmmac_all_queue_pairs_enable|disable() for XDP setup config: i386-randconfig-s001-20200813 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-168-g9554805c-dirty git checkout af5c107dbadcf3645c6ddfe092f522914dcaca12 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 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/net/ethernet/stmicro/stmmac/stmmac_main.c:1462:6: sparse: sparse: symbol 'stmmac_alloc_rx_buffers' was not declared. Should it be static? drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2820:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] etdes4 @@ got unsigned long @@ drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2820:27: sparse: expected restricted __le32 [usertype] etdes4 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2820:27: sparse: got unsigned long drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2821:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] etdes5 @@ got unsigned long @@ drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2821:27: sparse: expected restricted __le32 [usertype] etdes5 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2821:27: sparse: got unsigned long drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2822:27: sparse: sparse: invalid assignment: |= drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2822:27: sparse: left side has type restricted __le32 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2822:27: sparse: right side has type unsigned long drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:5837:5: sparse: sparse: symbol 'stmmac_xdp_xmit' was not declared. Should it be static? drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:6552:6: sparse: sparse: symbol 'stmmac_clean_all_tx_rings' was not declared. Should it be static? drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2394:57: sparse: sparse: context imbalance in 'stmmac_tx_clean' - unexpected unlock Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org