igb: 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. [after similar patches for ixgbe and e1000e from Wendy Xiong] Signed-off-by: Auke Kok <[email protected]> Cc: Wendy Xiong <[email protected]> Signed-off-by: Jeff Garzik <[email protected]>
hjking · Apr 25, 2008 · c682fc2 · c682fc2
1 parent aad3273
commit c682fc2
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
@@ -871,6 +871,7 @@ static int __devinit igb_probe(struct pci_dev *pdev,
 		goto err_pci_reg;
 
 	pci_set_master(pdev);
+	pci_save_state(pdev);
 
 	err = -ENOMEM;
 	netdev = alloc_etherdev(sizeof(struct igb_adapter));
@@ -4079,6 +4080,7 @@ static pci_ers_result_t igb_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);