From: Fugang Duan <B38611@xxxxxxxxxxxxx>
i.MX6SX enet-avb IP support buffer address byte alignment for tx DMA
transfer, so remove the unnessary memory copy for the enet avb IP.
Signed-off-by: Fugang Duan <B38611@xxxxxxxxxxxxx>
Signed-off-by: Frank Li <Frank.Li@xxxxxxxxxxxxx>
---
drivers/net/ethernet/freescale/fec_main.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index b388e29f..d09fe16 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -518,8 +518,9 @@ static int fec_enet_txq_submit_skb(struct fec_enet_priv_tx_q *txq,
queue = skb_get_queue_mapping(skb);
index = fec_enet_get_bd_index(txq->tx_bd_base, bdp, fep);
- if (((unsigned long) bufaddr) & FEC_ALIGNMENT ||
- id_entry->driver_data & FEC_QUIRK_SWAP_FRAME) {
+ if (!(id_entry->driver_data & FEC_QUIRK_HAS_AVB) &&
+ ((((unsigned long)bufaddr) & FEC_ALIGNMENT ||
+ id_entry->driver_data & FEC_QUIRK_SWAP_FRAME))) {
memcpy(txq->tx_bounce[index], skb->data, buflen);
bufaddr = txq->tx_bounce[index];
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
