diff options
Diffstat (limited to 'drivers/net/ethernet/cavium/octeon/octeon_mgmt.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/octeon/octeon_mgmt.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c index 9d868403d86c..cbaa1924afbe 100644 --- a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c +++ b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c @@ -234,6 +234,11 @@ static void octeon_mgmt_rx_fill_ring(struct net_device *netdev) /* Put it in the ring. */ p->rx_ring[p->rx_next_fill] = re.d64; + /* Make sure there is no reorder of filling the ring and ringing + * the bell + */ + wmb(); + dma_sync_single_for_device(p->dev, p->rx_ring_handle, ring_size_to_bytes(OCTEON_MGMT_RX_RING_SIZE), DMA_BIDIRECTIONAL); |