diff options
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 5883b244647f..dee13eedde8b 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -11751,20 +11751,16 @@ static int bnxt_init_mac_addr(struct bnxt *bp) static int bnxt_pcie_dsn_get(struct bnxt *bp, u8 dsn[]) { struct pci_dev *pdev = bp->pdev; - int pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_DSN); - u32 dw; + u64 qword; - if (!pos) { - netdev_info(bp->dev, "Unable do read adapter's DSN\n"); + qword = pci_get_dsn(pdev); + if (!qword) { + netdev_info(bp->dev, "Unable to read adapter's DSN\n"); return -EOPNOTSUPP; } - /* DSN (two dw) is at an offset of 4 from the cap pos */ - pos += 4; - pci_read_config_dword(pdev, pos, &dw); - put_unaligned_le32(dw, &dsn[0]); - pci_read_config_dword(pdev, pos + 4, &dw); - put_unaligned_le32(dw, &dsn[4]); + put_unaligned_le64(qword, dsn); + bp->flags |= BNXT_FLAG_DSN_VALID; return 0; } |