diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-02-11 14:19:59 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-12 12:09:23 -0500 |
| commit | 564923e4c0b6505436d756dcaf8d84ca33307ee3 (patch) | |
| tree | 45c42805b18efc073b587e199dcf63e43d2c97c1 /drivers/net | |
| parent | 3c69aec48f3c89bf1b29f11ea949c4f595577ab4 (diff) | |
| download | lwn-564923e4c0b6505436d756dcaf8d84ca33307ee3.tar.gz lwn-564923e4c0b6505436d756dcaf8d84ca33307ee3.zip | |
macb_main: 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.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/cadence/macb_main.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index eaabe8c278ec..4d1509f431d7 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -3673,9 +3673,9 @@ static netdev_tx_t at91ether_start_xmit(struct sk_buff *skb, /* Store packet information (to free when Tx completed) */ lp->skb = skb; lp->skb_length = skb->len; - lp->skb_physaddr = dma_map_single(NULL, skb->data, skb->len, - DMA_TO_DEVICE); - if (dma_mapping_error(NULL, lp->skb_physaddr)) { + lp->skb_physaddr = dma_map_single(&lp->pdev->dev, skb->data, + skb->len, DMA_TO_DEVICE); + if (dma_mapping_error(&lp->pdev->dev, lp->skb_physaddr)) { dev_kfree_skb_any(skb); dev->stats.tx_dropped++; netdev_err(dev, "%s: DMA mapping error\n", __func__); @@ -3765,7 +3765,7 @@ static irqreturn_t at91ether_interrupt(int irq, void *dev_id) if (lp->skb) { dev_kfree_skb_irq(lp->skb); lp->skb = NULL; - dma_unmap_single(NULL, lp->skb_physaddr, + dma_unmap_single(&lp->pdev->dev, lp->skb_physaddr, lp->skb_length, DMA_TO_DEVICE); dev->stats.tx_packets++; dev->stats.tx_bytes += lp->skb_length; |