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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>
This commit is contained in:
Florian Fainelli 2014-06-26 10:26:22 -07:00 committed by David S. Miller
parent 219575eb63
commit b758858c5c
1 changed files with 0 additions and 7 deletions
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7
drivers/net/ethernet/broadcom/genet/bcmgenet.c
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@ -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;