net: bcmgenet: do not set packet length for RX buffers

Hardware will provide this information as soon as we will start
processing incoming packets, so there is no need to set the RX buffer
length during buffer allocation.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index e51e462bc8fdc1e4739558bd156728eece13195d..16281ad2da12c04ee8324ec85835b541479788c5 100644 (file)
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1408,13 +1408,6 @@ static int bcmgenet_alloc_rx_buffers(struct bcmgenet_priv *priv)
                if (cb->skb)
                        continue;
 
-               /* set the DMA descriptor length once and for all
-                * it will only change if we support dynamically sizing
-                * priv->rx_buf_len, but we do not
-                */
-               dmadesc_set_length_status(priv, priv->rx_bd_assign_ptr,
-                               priv->rx_buf_len << DMA_BUFLENGTH_SHIFT);
-
                ret = bcmgenet_rx_refill(priv, cb);
                if (ret)
                        break;