summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c5
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();