diff options
| author | Nimrod Andy <B38611@freescale.com> | 2014-09-23 15:40:57 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-26 16:05:21 -0400 |
| commit | b64bf4b7dded4febb8e1f319eb6b9d419cbbd856 (patch) | |
| tree | 9491077867ffd9cdc1a0702f53343885d4932303 /drivers/net/ethernet/freescale/fec_main.c | |
| parent | f88c7ede50f6266d82d504f2165bd7f0237b30d8 (diff) | |
net: fec: align rx data buffer size for dma map/unmap
Align allocated rx data buffer size for dma map/unmap, otherwise
kernel print warning when enable DMA_API_DEBUG.
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/fec_main.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/fec_main.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index a08256fe8ef6..3d12a841ad15 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1403,7 +1403,8 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) index = fec_enet_get_bd_index(rxq->rx_bd_base, bdp, fep); data = rxq->rx_skbuff[index]->data; dma_sync_single_for_cpu(&fep->pdev->dev, bdp->cbd_bufaddr, - FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); + FEC_ENET_RX_FRSIZE - fep->rx_align, + DMA_FROM_DEVICE); if (id_entry->driver_data & FEC_QUIRK_SWAP_FRAME) swap_buffer(data, pkt_len); @@ -1475,7 +1476,8 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) } dma_sync_single_for_device(&fep->pdev->dev, bdp->cbd_bufaddr, - FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); + FEC_ENET_RX_FRSIZE - fep->rx_align, + DMA_FROM_DEVICE); rx_processing_done: /* Clear the status flags for this buffer */ status &= ~BD_ENET_RX_STATS; @@ -2448,7 +2450,7 @@ static void fec_enet_free_buffers(struct net_device *ndev) if (skb) { dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, - FEC_ENET_RX_FRSIZE, + FEC_ENET_RX_FRSIZE - fep->rx_align, DMA_FROM_DEVICE); dev_kfree_skb(skb); } |