4:47 p.m.
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>
"sparse warnings: (new ones prefixed by >>)"
> drivers/net/ethernet/intel/i40e/i40e_ethtool.c:5552:29: sparse:
sparse: invalid assignment: |=
> drivers/net/ethernet/intel/i40e/i40e_ethtool.c:5552:29: sparse: left side has type
restricted __le32
> drivers/net/ethernet/intel/i40e/i40e_ethtool.c:5552:29: sparse: right side has
type unsigned int
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;
5552 config.eeer |= I40E_PRTPM_EEER_TX_LPI_EN_MASK;
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