diff options
| -rw-r--r-- | drivers/net/igb/igb_main.c | 44 |
1 files changed, 31 insertions, 13 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 10b095d69b4..03aa9593dd9 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -135,8 +135,8 @@ static inline int igb_set_vf_rlpml(struct igb_adapter *, int, int); static int igb_set_vf_mac(struct igb_adapter *adapter, int, unsigned char *); static void igb_restore_vf_multicasts(struct igb_adapter *adapter); -static int igb_suspend(struct pci_dev *, pm_message_t); #ifdef CONFIG_PM +static int igb_suspend(struct pci_dev *, pm_message_t); static int igb_resume(struct pci_dev *); #endif static void igb_shutdown(struct pci_dev *); @@ -5060,7 +5060,7 @@ int igb_set_spd_dplx(struct igb_adapter *adapter, u16 spddplx) return 0; } -static int igb_suspend(struct pci_dev *pdev, pm_message_t state) +static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake) { struct net_device *netdev = pci_get_drvdata(pdev); struct igb_adapter *adapter = netdev_priv(netdev); @@ -5119,15 +5119,9 @@ static int igb_suspend(struct pci_dev *pdev, pm_message_t state) wr32(E1000_WUFC, 0); } - /* make sure adapter isn't asleep if manageability/wol is enabled */ - if (wufc || adapter->en_mng_pt) { - pci_enable_wake(pdev, PCI_D3hot, 1); - pci_enable_wake(pdev, PCI_D3cold, 1); - } else { + *enable_wake = wufc || adapter->en_mng_pt; + if (!*enable_wake) igb_shutdown_fiber_serdes_link_82575(hw); - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - } /* Release control of h/w to f/w. If f/w is AMT enabled, this * would have already happened in close and is redundant. */ @@ -5135,12 +5129,29 @@ static int igb_suspend(struct pci_dev *pdev, pm_message_t state) pci_disable_device(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); - return 0; } #ifdef CONFIG_PM +static int igb_suspend(struct pci_dev *pdev, pm_message_t state) +{ + int retval; + bool wake; + + retval = __igb_shutdown(pdev, &wake); + if (retval) + return retval; + + if (wake) { + pci_prepare_to_sleep(pdev); + } else { + pci_wake_from_d3(pdev, false); + pci_set_power_state(pdev, PCI_D3hot); + } + + return 0; +} + static int igb_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); @@ -5193,7 +5204,14 @@ static int igb_resume(struct pci_dev *pdev) static void igb_shutdown(struct pci_dev *pdev) { - igb_suspend(pdev, PMSG_SUSPEND); + bool wake; + + __igb_shutdown(pdev, &wake); + + if (system_state == SYSTEM_POWER_OFF) { + pci_wake_from_d3(pdev, wake); + pci_set_power_state(pdev, PCI_D3hot); + } } #ifdef CONFIG_NET_POLL_CONTROLLER |