From fb3b27bc00ca2b6d69c3a22ff43b4d95fef47bed Mon Sep 17 00:00:00 2001 From: Wendy Xiong Date: Wed, 23 Apr 2008 11:09:24 -0700 Subject: [PATCH] ixgbe: 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 Intel 10G pci-express ixgbe adapter. Signed-off-by: Wendy Xiong Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/ixgbe/ixgbe_main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index cb371a8c24a7..7b859220c255 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -3431,6 +3431,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, } pci_set_master(pdev); + pci_save_state(pdev); #ifdef CONFIG_NETDEVICES_MULTIQUEUE netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), MAX_TX_QUEUES); @@ -3721,6 +3722,7 @@ static pci_ers_result_t ixgbe_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); -- 2.20.1