diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c')
-rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index 1e33abde4a3e..da18aa239acb 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -2591,8 +2591,9 @@ static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode) wmb(); txdata->tx_db.data.prod += 2; - barrier(); - DOORBELL(bp, txdata->cid, txdata->tx_db.raw); + /* make sure descriptor update is observed by the HW */ + wmb(); + DOORBELL_RELAXED(bp, txdata->cid, txdata->tx_db.raw); mmiowb(); barrier(); |