Commit df3875ec authored by Vasundhara Volam's avatar Vasundhara Volam Committed by David S. Miller
Browse files

bnxt_en: Fix PCI AER error recovery flow 



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: 6316ea6d ("bnxt_en: Enable AER support.")
Signed-off-by: default avatarVasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7de65149

drivers/net/ethernet/broadcom/bnxt/bnxt.c

+3 −0
Original line number Diff line number Diff line
@@ -12339,6 +12339,7 @@ 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:
@@ -12536,6 +12537,8 @@ 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) {

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