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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>
This commit is contained in:
Wendy Xiong 2008-04-23 11:09:29 -07:00 committed by Jeff Garzik
parent fb3b27bc00
commit aad3273964
1 changed files with 2 additions and 0 deletions
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2
drivers/net/e1000e/netdev.c
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@ -3807,6 +3807,7 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
return PCI_ERS_RESULT_DISCONNECT;
}
pci_set_master(pdev);
pci_restore_state(pdev);
pci_enable_wake(pdev, PCI_D3hot, 0);
pci_enable_wake(pdev, PCI_D3cold, 0);
@ -3933,6 +3934,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
goto err_pci_reg;
pci_set_master(pdev);
pci_save_state(pdev);
err = -ENOMEM;
netdev = alloc_etherdev(sizeof(struct e1000_adapter));