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net: fec: align rx data buffer size for dma map/unmap

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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>
This commit is contained in:
Nimrod Andy 2014-09-23 15:40:57 +08:00 committed by David S. Miller
parent f88c7ede50
commit b64bf4b7dd
1 changed files with 5 additions and 3 deletions
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8
drivers/net/ethernet/freescale/fec_main.c
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@ -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);
}