tree: https://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git dev-queue head: 977a109bc3e30ee6303dd767090e04eb5170e986 commit: ed57e25f6e6dcca81fee3ab107be576238d6b4ec [62/106] i40e: Add EEE status getting & setting implementation config: x86_64-randconfig-s022-20201019 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git/c... git remote add jkirsher-next-queue https://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git git fetch --no-tags jkirsher-next-queue dev-queue git checkout ed57e25f6e6dcca81fee3ab107be576238d6b4ec # 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(a)intel.com&gt; "sparse warnings: (new ones prefixed by >>)" drivers/net/ethernet/intel/i40e/i40e_ethtool.c:5555:29: sparse: sparse: invalid assignment: &= drivers/net/ethernet/intel/i40e/i40e_ethtool.c:5555:29: sparse: left side has type restricted __le32 drivers/net/ethernet/intel/i40e/i40e_ethtool.c:5555:29: sparse: right side has type unsigned int vim +5552 drivers/net/ethernet/intel/i40e/i40e_ethtool.c 5501 5502 static int i40e_set_eee(struct net_device *netdev, struct ethtool_eee *edata) 5503 { 5504 struct i40e_netdev_priv *np = netdev_priv(netdev); 5505 struct i40e_aq_get_phy_abilities_resp abilities; 5506 enum i40e_status_code status = I40E_SUCCESS; 5507 struct i40e_aq_set_phy_config config; 5508 struct i40e_vsi *vsi = np->vsi; 5509 struct i40e_pf *pf = vsi->back; 5510 struct i40e_hw *hw = &pf->hw; 5511 __le16 eee_capability; 5512 5513 /* Deny parameters we don't support */ 5514 if (i40e_is_eee_param_supported(netdev, edata)) 5515 return -EOPNOTSUPP; 5516 5517 /* Get initial PHY capabilities */ 5518 status = i40e_aq_get_phy_capabilities(hw, false, true, &abilities, 5519 NULL); 5520 if (status) 5521 return -EAGAIN; 5522 5523 /* Check whether NIC configuration is compatible with Energy Efficient 5524 * Ethernet (EEE) mode. 5525 */ 5526 if (abilities.eee_capability == 0) 5527 return -EOPNOTSUPP; 5528 5529 /* Cache initial EEE capability */ 5530 eee_capability = abilities.eee_capability; 5531 5532 /* Get current PHY configuration */ 5533 status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities, 5534 NULL); 5535 if (status) 5536 return -EAGAIN; 5537 5538 /* Cache current PHY configuration */ 5539 config.phy_type = abilities.phy_type; 5540 config.phy_type_ext = abilities.phy_type_ext; 5541 config.link_speed = abilities.link_speed; 5542 config.abilities = abilities.abilities | 5543 I40E_AQ_PHY_ENABLE_ATOMIC_LINK; 5544 config.eeer = abilities.eeer_val; 5545 config.low_power_ctrl = abilities.d3_lpan; 5546 config.fec_config = abilities.fec_cfg_curr_mod_ext_info & 5547 I40E_AQ_PHY_FEC_CONFIG_MASK; 5548 5549 /* Set desired EEE state */ 5550 if (edata->eee_enabled) { 5551 config.eee_capability = eee_capability; 5553 } else { 5554 config.eee_capability = 0; 5555 config.eeer &= ~I40E_PRTPM_EEER_TX_LPI_EN_MASK; 5556 } 5557 5558 /* Apply modified PHY configuration */ 5559 status = i40e_aq_set_phy_config(hw, &config, NULL); 5560 if (status) 5561 return -EAGAIN; 5562 5563 return 0; 5564 } 5565 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org