From: Auke Kok Date: Wed, 23 Apr 2008 18:09:34 +0000 (-0700) Subject: igb: save and restore pcie/msi state to support EEH recovery X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c682fc238a9ed45633822f107e1e9de192059bcc;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git 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 Cc: Wendy Xiong Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index aaee02e9e3f0..ae398f04c7b4 100644 --- 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);