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e1000e: save and restore pcie/msi state to support EEH recovery
To enable EEH support for pci-express network adapters, pcie/msi state needs to be saved and restored for that adapter. Tested this EEH patch with 2ports and 4ports pci-express e1000e adapters. Signed-off-by: Wendy Xiong <wendyx@us.ibm.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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@ -3807,6 +3807,7 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
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return PCI_ERS_RESULT_DISCONNECT;
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}
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pci_set_master(pdev);
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pci_restore_state(pdev);
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pci_enable_wake(pdev, PCI_D3hot, 0);
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pci_enable_wake(pdev, PCI_D3cold, 0);
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@ -3933,6 +3934,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
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goto err_pci_reg;
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pci_set_master(pdev);
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pci_save_state(pdev);
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err = -ENOMEM;
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netdev = alloc_etherdev(sizeof(struct e1000_adapter));
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