From: Vasundhara Volam vasundhara-v.volam@broadcom.com
[ Upstream commit df3875ec550396974b1d8a518bd120d034738236 ]
When a PCI error is detected the PCI state could be corrupt, save the PCI state after initialization and restore it after the slot reset.
Fixes: 6316ea6db93d ("bnxt_en: Enable AER support.") Signed-off-by: Vasundhara Volam vasundhara-v.volam@broadcom.com Signed-off-by: Michael Chan michael.chan@broadcom.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index ab4d1dacb5854..7047f4237ceaf 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -9128,6 +9128,7 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) (long)pci_resource_start(pdev, 0), dev->dev_addr); pcie_print_link_status(pdev);
+ pci_save_state(pdev); return 0;
init_err_cleanup_tc: @@ -9289,6 +9290,8 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev) "Cannot re-enable PCI device after reset.\n"); } else { pci_set_master(pdev); + pci_restore_state(pdev); + pci_save_state(pdev);
err = bnxt_hwrm_func_reset(bp); if (!err && netif_running(netdev))