diff options
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/netdev.c')
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/netdev.c | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index cc8c531ec3df..220d62fca55d 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -6038,7 +6038,7 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu) adapter->max_frame_size = max_frame; netdev_dbg(netdev, "changing MTU from %d to %d\n", netdev->mtu, new_mtu); - netdev->mtu = new_mtu; + WRITE_ONCE(netdev->mtu, new_mtu); pm_runtime_get_sync(netdev->dev.parent); @@ -6623,6 +6623,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime) struct e1000_hw *hw = &adapter->hw; u32 ctrl, ctrl_ext, rctl, status, wufc; int retval = 0; + u16 smb_ctrl; /* Runtime suspend should only enable wakeup for link changes */ if (runtime) @@ -6696,6 +6697,23 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime) if (retval) return retval; } + + /* Force SMBUS to allow WOL */ + /* Switching PHY interface always returns MDI error + * so disable retry mechanism to avoid wasting time + */ + e1000e_disable_phy_retry(hw); + + e1e_rphy(hw, CV_SMB_CTRL, &smb_ctrl); + smb_ctrl |= CV_SMB_CTRL_FORCE_SMBUS; + e1e_wphy(hw, CV_SMB_CTRL, smb_ctrl); + + e1000e_enable_phy_retry(hw); + + /* Force SMBus mode in MAC */ + ctrl_ext = er32(CTRL_EXT); + ctrl_ext |= E1000_CTRL_EXT_FORCE_SMBUS; + ew32(CTRL_EXT, ctrl_ext); } /* Ensure that the appropriate bits are set in LPI_CTRL @@ -6950,13 +6968,13 @@ static int __e1000_resume(struct pci_dev *pdev) return 0; } -static __maybe_unused int e1000e_pm_prepare(struct device *dev) +static int e1000e_pm_prepare(struct device *dev) { return pm_runtime_suspended(dev) && pm_suspend_via_firmware(); } -static __maybe_unused int e1000e_pm_suspend(struct device *dev) +static int e1000e_pm_suspend(struct device *dev) { struct net_device *netdev = pci_get_drvdata(to_pci_dev(dev)); struct e1000_adapter *adapter = netdev_priv(netdev); @@ -6979,7 +6997,7 @@ static __maybe_unused int e1000e_pm_suspend(struct device *dev) return rc; } -static __maybe_unused int e1000e_pm_resume(struct device *dev) +static int e1000e_pm_resume(struct device *dev) { struct net_device *netdev = pci_get_drvdata(to_pci_dev(dev)); struct e1000_adapter *adapter = netdev_priv(netdev); @@ -7013,7 +7031,7 @@ static __maybe_unused int e1000e_pm_runtime_idle(struct device *dev) return -EBUSY; } -static __maybe_unused int e1000e_pm_runtime_resume(struct device *dev) +static int e1000e_pm_runtime_resume(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); struct net_device *netdev = pci_get_drvdata(pdev); @@ -7032,7 +7050,7 @@ static __maybe_unused int e1000e_pm_runtime_resume(struct device *dev) return rc; } -static __maybe_unused int e1000e_pm_runtime_suspend(struct device *dev) +static int e1000e_pm_runtime_suspend(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); struct net_device *netdev = pci_get_drvdata(pdev); @@ -7919,8 +7937,7 @@ static const struct pci_device_id e1000_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, e1000_pci_tbl); -static const struct dev_pm_ops e1000_pm_ops = { -#ifdef CONFIG_PM_SLEEP +static const struct dev_pm_ops e1000e_pm_ops = { .prepare = e1000e_pm_prepare, .suspend = e1000e_pm_suspend, .resume = e1000e_pm_resume, @@ -7928,9 +7945,8 @@ static const struct dev_pm_ops e1000_pm_ops = { .thaw = e1000e_pm_thaw, .poweroff = e1000e_pm_suspend, .restore = e1000e_pm_resume, -#endif - SET_RUNTIME_PM_OPS(e1000e_pm_runtime_suspend, e1000e_pm_runtime_resume, - e1000e_pm_runtime_idle) + RUNTIME_PM_OPS(e1000e_pm_runtime_suspend, e1000e_pm_runtime_resume, + e1000e_pm_runtime_idle) }; /* PCI Device API Driver */ @@ -7939,9 +7955,7 @@ static struct pci_driver e1000_driver = { .id_table = e1000_pci_tbl, .probe = e1000_probe, .remove = e1000_remove, - .driver = { - .pm = &e1000_pm_ops, - }, + .driver.pm = pm_ptr(&e1000e_pm_ops), .shutdown = e1000_shutdown, .err_handler = &e1000_err_handler }; |