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 <[email protected]> Signed-off-by: David S. Miller <[email protected]>
pstglia · Oct 2, 2014 · c5dfb15 · c5dfb15
1 parent 0fbb897
commit c5dfb15
Showing 1 changed file with 0 additions and 7 deletions.
diff --git 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;