Hi Lorenzo, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8e5423e991e8cd0988d0c4a3f4ac4ca1af7d148a commit: a3c62a042237d1adeb0290dcb768e17edd6dcd25 net: mtk_eth: add COMPILE_TEST support date: 11 months ago config: microblaze-randconfig-s051-20221103 compiler: microblaze-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=a3c62a042237d1adeb0290dcb768e17edd6dcd25 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a3c62a042237d1adeb0290dcb768e17edd6dcd25 # 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=microblaze SHELL=/bin/bash drivers/net/ethernet/mediatek/ drivers/scsi/bfa/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) drivers/net/ethernet/mediatek/mtk_eth_soc.c:1113:45: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __sum16 [usertype] check @@ got restricted __be16 [usertype] @@ drivers/net/ethernet/mediatek/mtk_eth_soc.c:1113:45: sparse: expected restricted __sum16 [usertype] check drivers/net/ethernet/mediatek/mtk_eth_soc.c:1113:45: sparse: got restricted __be16 [usertype] drivers/net/ethernet/mediatek/mtk_eth_soc.c:1801:22: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned int [usertype] val @@ got restricted __be32 [usertype] ip @@ drivers/net/ethernet/mediatek/mtk_eth_soc.c:1801:22: sparse: expected unsigned int [usertype] val drivers/net/ethernet/mediatek/mtk_eth_soc.c:1801:22: sparse: got restricted __be32 [usertype] ip drivers/net/ethernet/mediatek/mtk_eth_soc.c:1846:40: sparse: sparse: cast from restricted __be32 >> drivers/net/ethernet/mediatek/mtk_eth_soc.c:1846:40: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] val @@ got restricted __be32 [usertype] ip4dst @@ drivers/net/ethernet/mediatek/mtk_eth_soc.c:1846:40: sparse: expected unsigned int [usertype] val drivers/net/ethernet/mediatek/mtk_eth_soc.c:1846:40: sparse: got restricted __be32 [usertype] ip4dst drivers/net/ethernet/mediatek/mtk_eth_soc.c:1846:40: sparse: sparse: cast from restricted __be32 drivers/net/ethernet/mediatek/mtk_eth_soc.c:1846:40: sparse: sparse: cast from restricted __be32 drivers/net/ethernet/mediatek/mtk_eth_soc.c:1846:40: sparse: sparse: cast from restricted __be32 drivers/net/ethernet/mediatek/mtk_eth_soc.c:1846:40: sparse: sparse: cast from restricted __be32 drivers/net/ethernet/mediatek/mtk_eth_soc.c:1903:38: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be32 [usertype] ip4dst @@ got unsigned int @@ drivers/net/ethernet/mediatek/mtk_eth_soc.c:1903:38: sparse: expected restricted __be32 [usertype] ip4dst drivers/net/ethernet/mediatek/mtk_eth_soc.c:1903:38: sparse: got unsigned int drivers/net/ethernet/mediatek/mtk_eth_soc.c:1907:38: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be32 [usertype] ip4src @@ got unsigned int @@ drivers/net/ethernet/mediatek/mtk_eth_soc.c:1907:38: sparse: expected restricted __be32 [usertype] ip4src drivers/net/ethernet/mediatek/mtk_eth_soc.c:1907:38: sparse: got unsigned int drivers/net/ethernet/mediatek/mtk_eth_soc.c:1909:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] psrc @@ got int @@ drivers/net/ethernet/mediatek/mtk_eth_soc.c:1909:36: sparse: expected restricted __be16 [usertype] psrc drivers/net/ethernet/mediatek/mtk_eth_soc.c:1909:36: sparse: got int drivers/net/ethernet/mediatek/mtk_eth_soc.c:1911:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] pdst @@ got int @@ drivers/net/ethernet/mediatek/mtk_eth_soc.c:1911:36: sparse: expected restricted __be16 [usertype] pdst drivers/net/ethernet/mediatek/mtk_eth_soc.c:1911:36: sparse: got int vim +1846 drivers/net/ethernet/mediatek/mtk_eth_soc.c 7aab747e5563ec Nelson Chang 2016-09-17 1831 7aab747e5563ec Nelson Chang 2016-09-17 1832 static int mtk_hwlro_add_ipaddr(struct net_device *dev, 7aab747e5563ec Nelson Chang 2016-09-17 1833 struct ethtool_rxnfc *cmd) 7aab747e5563ec Nelson Chang 2016-09-17 1834 { 7aab747e5563ec Nelson Chang 2016-09-17 1835 struct ethtool_rx_flow_spec *fsp = 7aab747e5563ec Nelson Chang 2016-09-17 1836 (struct ethtool_rx_flow_spec *)&cmd->fs; 7aab747e5563ec Nelson Chang 2016-09-17 1837 struct mtk_mac *mac = netdev_priv(dev); 7aab747e5563ec Nelson Chang 2016-09-17 1838 struct mtk_eth *eth = mac->hw; 7aab747e5563ec Nelson Chang 2016-09-17 1839 int hwlro_idx; 7aab747e5563ec Nelson Chang 2016-09-17 1840 7aab747e5563ec Nelson Chang 2016-09-17 1841 if ((fsp->flow_type != TCP_V4_FLOW) || 7aab747e5563ec Nelson Chang 2016-09-17 1842 (!fsp->h_u.tcp_ip4_spec.ip4dst) || 7aab747e5563ec Nelson Chang 2016-09-17 1843 (fsp->location > 1)) 7aab747e5563ec Nelson Chang 2016-09-17 1844 return -EINVAL; 7aab747e5563ec Nelson Chang 2016-09-17 1845 7aab747e5563ec Nelson Chang 2016-09-17 @1846 mac->hwlro_ip[fsp->location] = htonl(fsp->h_u.tcp_ip4_spec.ip4dst); 7aab747e5563ec Nelson Chang 2016-09-17 1847 hwlro_idx = (mac->id * MTK_MAX_LRO_IP_CNT) + fsp->location; 7aab747e5563ec Nelson Chang 2016-09-17 1848 7aab747e5563ec Nelson Chang 2016-09-17 1849 mac->hwlro_ip_cnt = mtk_hwlro_get_ip_cnt(mac); 7aab747e5563ec Nelson Chang 2016-09-17 1850 7aab747e5563ec Nelson Chang 2016-09-17 1851 mtk_hwlro_val_ipaddr(eth, hwlro_idx, mac->hwlro_ip[fsp->location]); 7aab747e5563ec Nelson Chang 2016-09-17 1852 7aab747e5563ec Nelson Chang 2016-09-17 1853 return 0; 7aab747e5563ec Nelson Chang 2016-09-17 1854 } 7aab747e5563ec Nelson Chang 2016-09-17 1855 :::::: The code at line 1846 was first introduced by commit :::::: 7aab747e5563ecbc9f3cb64ddea13fe7b9fee2bd net: ethernet: mediatek: add ethtool functions to configure RX flows of HW LRO :::::: TO: Nelson Chang :::::: CC: David S. Miller -- 0-DAY CI Kernel Test Service https://01.org/lkp