ixgbe: use DMA API instead of PCI DMA functions
Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index dfbfe35..dc7fd5b 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -1458,8 +1458,8 @@
struct ixgbe_tx_buffer *buf =
&(tx_ring->tx_buffer_info[i]);
if (buf->dma)
- pci_unmap_single(pdev, buf->dma, buf->length,
- PCI_DMA_TODEVICE);
+ dma_unmap_single(&pdev->dev, buf->dma,
+ buf->length, DMA_TO_DEVICE);
if (buf->skb)
dev_kfree_skb(buf->skb);
}
@@ -1470,22 +1470,22 @@
struct ixgbe_rx_buffer *buf =
&(rx_ring->rx_buffer_info[i]);
if (buf->dma)
- pci_unmap_single(pdev, buf->dma,
+ dma_unmap_single(&pdev->dev, buf->dma,
IXGBE_RXBUFFER_2048,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
if (buf->skb)
dev_kfree_skb(buf->skb);
}
}
if (tx_ring->desc) {
- pci_free_consistent(pdev, tx_ring->size, tx_ring->desc,
- tx_ring->dma);
+ dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
+ tx_ring->dma);
tx_ring->desc = NULL;
}
if (rx_ring->desc) {
- pci_free_consistent(pdev, rx_ring->size, rx_ring->desc,
- rx_ring->dma);
+ dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
+ rx_ring->dma);
rx_ring->desc = NULL;
}
@@ -1520,8 +1520,9 @@
tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc);
tx_ring->size = ALIGN(tx_ring->size, 4096);
- if (!(tx_ring->desc = pci_alloc_consistent(pdev, tx_ring->size,
- &tx_ring->dma))) {
+ tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
+ &tx_ring->dma, GFP_KERNEL);
+ if (!(tx_ring->desc)) {
ret_val = 2;
goto err_nomem;
}
@@ -1563,8 +1564,8 @@
tx_ring->tx_buffer_info[i].skb = skb;
tx_ring->tx_buffer_info[i].length = skb->len;
tx_ring->tx_buffer_info[i].dma =
- pci_map_single(pdev, skb->data, skb->len,
- PCI_DMA_TODEVICE);
+ dma_map_single(&pdev->dev, skb->data, skb->len,
+ DMA_TO_DEVICE);
desc->read.buffer_addr =
cpu_to_le64(tx_ring->tx_buffer_info[i].dma);
desc->read.cmd_type_len = cpu_to_le32(skb->len);
@@ -1593,8 +1594,9 @@
rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc);
rx_ring->size = ALIGN(rx_ring->size, 4096);
- if (!(rx_ring->desc = pci_alloc_consistent(pdev, rx_ring->size,
- &rx_ring->dma))) {
+ rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
+ &rx_ring->dma, GFP_KERNEL);
+ if (!(rx_ring->desc)) {
ret_val = 5;
goto err_nomem;
}
@@ -1661,8 +1663,8 @@
skb_reserve(skb, NET_IP_ALIGN);
rx_ring->rx_buffer_info[i].skb = skb;
rx_ring->rx_buffer_info[i].dma =
- pci_map_single(pdev, skb->data, IXGBE_RXBUFFER_2048,
- PCI_DMA_FROMDEVICE);
+ dma_map_single(&pdev->dev, skb->data,
+ IXGBE_RXBUFFER_2048, DMA_FROM_DEVICE);
rx_desc->read.pkt_addr =
cpu_to_le64(rx_ring->rx_buffer_info[i].dma);
memset(skb->data, 0x00, skb->len);
@@ -1775,10 +1777,10 @@
ixgbe_create_lbtest_frame(
tx_ring->tx_buffer_info[k].skb,
1024);
- pci_dma_sync_single_for_device(pdev,
+ dma_sync_single_for_device(&pdev->dev,
tx_ring->tx_buffer_info[k].dma,
tx_ring->tx_buffer_info[k].length,
- PCI_DMA_TODEVICE);
+ DMA_TO_DEVICE);
if (unlikely(++k == tx_ring->count))
k = 0;
}
@@ -1789,10 +1791,10 @@
good_cnt = 0;
do {
/* receive the sent packets */
- pci_dma_sync_single_for_cpu(pdev,
+ dma_sync_single_for_cpu(&pdev->dev,
rx_ring->rx_buffer_info[l].dma,
IXGBE_RXBUFFER_2048,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
ret_val = ixgbe_check_lbtest_frame(
rx_ring->rx_buffer_info[l].skb, 1024);
if (!ret_val)