From: Fugang Duan <[email protected]> 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 <[email protected]> Signed-off-by: Frank Li <[email protected]> --- 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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
