diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-02-11 14:20:01 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-12 12:09:23 -0500 |
| commit | e86b76f63351e8393c6a7d15bd46366da16ffd3f (patch) | |
| tree | c3381f41e4586490de1b144cc0769fe8ceda20ca | |
| parent | 74e0deb89a8ba27c132b1f0e08643e215b5c1f92 (diff) | |
| download | linux-e86b76f63351e8393c6a7d15bd46366da16ffd3f.tar.bz2 | |
pxa168_eth: pass struct device to DMA API functions
The DMA API generally relies on a struct device to work properly, and
only barely works without one for legacy reasons. Pass the easily
available struct device from the platform_device to remedy this.
Note that this driver seems to entirely lack dma_map_single error
handling, but that is left for another time.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/marvell/pxa168_eth.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c index f8a6d6e3cb7a..35f2142aac5e 100644 --- a/drivers/net/ethernet/marvell/pxa168_eth.c +++ b/drivers/net/ethernet/marvell/pxa168_eth.c @@ -201,6 +201,7 @@ struct tx_desc { }; struct pxa168_eth_private { + struct platform_device *pdev; int port_num; /* User Ethernet port number */ int phy_addr; int phy_speed; @@ -331,7 +332,7 @@ static void rxq_refill(struct net_device *dev) used_rx_desc = pep->rx_used_desc_q; p_used_rx_desc = &pep->p_rx_desc_area[used_rx_desc]; size = skb_end_pointer(skb) - skb->data; - p_used_rx_desc->buf_ptr = dma_map_single(NULL, + p_used_rx_desc->buf_ptr = dma_map_single(&pep->pdev->dev, skb->data, size, DMA_FROM_DEVICE); @@ -743,7 +744,7 @@ static int txq_reclaim(struct net_device *dev, int force) netdev_err(dev, "Error in TX\n"); dev->stats.tx_errors++; } - dma_unmap_single(NULL, addr, count, DMA_TO_DEVICE); + dma_unmap_single(&pep->pdev->dev, addr, count, DMA_TO_DEVICE); if (skb) dev_kfree_skb_irq(skb); released++; @@ -805,7 +806,7 @@ static int rxq_process(struct net_device *dev, int budget) if (rx_next_curr_desc == rx_used_desc) pep->rx_resource_err = 1; pep->rx_desc_count--; - dma_unmap_single(NULL, rx_desc->buf_ptr, + dma_unmap_single(&pep->pdev->dev, rx_desc->buf_ptr, rx_desc->buf_size, DMA_FROM_DEVICE); received_packets++; @@ -1274,7 +1275,8 @@ pxa168_eth_start_xmit(struct sk_buff *skb, struct net_device *dev) length = skb->len; pep->tx_skb[tx_index] = skb; desc->byte_cnt = length; - desc->buf_ptr = dma_map_single(NULL, skb->data, length, DMA_TO_DEVICE); + desc->buf_ptr = dma_map_single(&pep->pdev->dev, skb->data, length, + DMA_TO_DEVICE); skb_tx_timestamp(skb); @@ -1528,6 +1530,7 @@ static int pxa168_eth_probe(struct platform_device *pdev) if (err) goto err_free_mdio; + pep->pdev = pdev; SET_NETDEV_DEV(dev, &pdev->dev); pxa168_init_hw(pep); err = register_netdev(dev); |