Hi Pawel, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on net/master] [also build test WARNING on net-next/master ipvs/master linus/master v5.11-rc4 next-20210120] [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/Pawel-Dembicki/dsa-vsc73xx-add-support-for-vlan-filtering/20210120-161228 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 8e4052c32d6b4b39c1e13c652c7e33748d447409 config: powerpc-allyesconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/1b3778a3f0b1d668f4fa289c82997ebbd2145178 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Pawel-Dembicki/dsa-vsc73xx-add-support-for-vlan-filtering/20210120-161228 git checkout 1b3778a3f0b1d668f4fa289c82997ebbd2145178 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/net/dsa/vitesse-vsc73xx-core.c: In function 'vsc73xx_port_set_vlan_unaware': >> drivers/net/dsa/vitesse-vsc73xx-core.c:686:8: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073709535231' to '4294950911' [-Woverflow] 686 | ~VSC73XX_MAC_CFG_VLAN_AWR); drivers/net/dsa/vitesse-vsc73xx-core.c:689:8: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073709518847' to '4294934527' [-Woverflow] 689 | ~VSC73XX_MAC_CFG_VLAN_DBLAWR); drivers/net/dsa/vitesse-vsc73xx-core.c:698:8: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073709551613' to '4294967293' [-Woverflow] 698 | ~VSC73XX_CAT_DROP_TAGGED_ENA); drivers/net/dsa/vitesse-vsc73xx-core.c:701:8: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073709551611' to '4294967291' [-Woverflow] 701 | ~VSC73XX_CAT_DROP_UNTAGGED_ENA); drivers/net/dsa/vitesse-vsc73xx-core.c: In function 'vsc73xx_port_set_vlan_aware': drivers/net/dsa/vitesse-vsc73xx-core.c:716:8: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073709518847' to '4294934527' [-Woverflow] 716 | ~VSC73XX_MAC_CFG_VLAN_DBLAWR); drivers/net/dsa/vitesse-vsc73xx-core.c:719:8: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073709551359' to '4294967039' [-Woverflow] 719 | ~VSC73XX_CAT_VLAN_MISC_VLAN_TCI_IGNORE_ENA); drivers/net/dsa/vitesse-vsc73xx-core.c:722:8: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073709551487' to '4294967167' [-Woverflow] 722 | ~VSC73XX_CAT_VLAN_MISC_VLAN_KEEP_TAG_ENA); drivers/net/dsa/vitesse-vsc73xx-core.c:725:8: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073709551613' to '4294967293' [-Woverflow] 725 | ~VSC73XX_CAT_DROP_TAGGED_ENA); drivers/net/dsa/vitesse-vsc73xx-core.c:734:8: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073709551607' to '4294967287' [-Woverflow] 734 | ~VSC73XX_TXUPDCFG_TX_UNTAGGED_VID_ENA); drivers/net/dsa/vitesse-vsc73xx-core.c: In function 'vsc73xx_port_vlan_add': drivers/net/dsa/vitesse-vsc73xx-core.c:811:9: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073709551611' to '4294967291' [-Woverflow] 811 | ~VSC73XX_CAT_DROP_UNTAGGED_ENA); drivers/net/dsa/vitesse-vsc73xx-core.c: In function 'vsc73xx_port_vlan_del': drivers/net/dsa/vitesse-vsc73xx-core.c:848:9: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073709551607' to '4294967287' [-Woverflow] 848 | ~VSC73XX_TXUPDCFG_TX_UNTAGGED_VID_ENA); vim +686 drivers/net/dsa/vitesse-vsc73xx-core.c 678 679 static int vsc73xx_port_set_vlan_unaware(struct dsa_switch *ds, int port) 680 { 681 struct vsc73xx *vsc = ds->priv; 682 int ret; 683 684 vsc73xx_update_bits(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_MAC_CFG, 685 VSC73XX_MAC_CFG_VLAN_AWR, > 686 ~VSC73XX_MAC_CFG_VLAN_AWR); 687 vsc73xx_update_bits(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_MAC_CFG, 688 VSC73XX_MAC_CFG_VLAN_DBLAWR, 689 ~VSC73XX_MAC_CFG_VLAN_DBLAWR); 690 vsc73xx_update_bits(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_CAT_VLAN_MISC, 691 VSC73XX_CAT_VLAN_MISC_VLAN_TCI_IGNORE_ENA, 692 VSC73XX_CAT_VLAN_MISC_VLAN_TCI_IGNORE_ENA); 693 vsc73xx_update_bits(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_CAT_VLAN_MISC, 694 VSC73XX_CAT_VLAN_MISC_VLAN_KEEP_TAG_ENA, 695 VSC73XX_CAT_VLAN_MISC_VLAN_KEEP_TAG_ENA); 696 vsc73xx_update_bits(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_CAT_DROP, 697 VSC73XX_CAT_DROP_TAGGED_ENA, 698 ~VSC73XX_CAT_DROP_TAGGED_ENA); 699 vsc73xx_update_bits(vsc, VSC73XX_BLOCK_MAC, port, VSC73XX_CAT_DROP, 700 VSC73XX_CAT_DROP_UNTAGGED_ENA, 701 ~VSC73XX_CAT_DROP_UNTAGGED_ENA); 702 703 ret = vsc73xx_port_update_vlan_table(ds, port, 0, 4095, 0); 704 return ret; 705 } 706 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org