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Date: Thu, 14 Sep 2017 23:01:51 -0400
From: Zhu Yanjun <yanjun.zhu@...cle.com>
To: jarod@...hat.com, netdev@...r.kernel.org
Subject: [PATCH 1/1] forcedeth: replace pci_map_single with dma_map_single functions
pci_map_single functions are obsolete. So replace them with
dma_map_single functions.
Signed-off-by: Zhu Yanjun <yanjun.zhu@...cle.com>
---
drivers/net/ethernet/nvidia/forcedeth.c | 70 +++++++++++++++++----------------
1 file changed, 36 insertions(+), 34 deletions(-)
diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index e6e0de4..0a7ba3a 100644
--- a/drivers/net/ethernet/nvidia/forcedeth.c
+++ b/drivers/net/ethernet/nvidia/forcedeth.c
@@ -1812,12 +1812,12 @@ static int nv_alloc_rx(struct net_device *dev)
struct sk_buff *skb = netdev_alloc_skb(dev, np->rx_buf_sz + NV_RX_ALLOC_PAD);
if (skb) {
np->put_rx_ctx->skb = skb;
- np->put_rx_ctx->dma = pci_map_single(np->pci_dev,
+ np->put_rx_ctx->dma = dma_map_single(&np->pci_dev->dev,
skb->data,
skb_tailroom(skb),
- PCI_DMA_FROMDEVICE);
- if (pci_dma_mapping_error(np->pci_dev,
- np->put_rx_ctx->dma)) {
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(&np->pci_dev->dev,
+ np->put_rx_ctx->dma)) {
kfree_skb(skb);
goto packet_dropped;
}
@@ -1853,12 +1853,12 @@ static int nv_alloc_rx_optimized(struct net_device *dev)
struct sk_buff *skb = netdev_alloc_skb(dev, np->rx_buf_sz + NV_RX_ALLOC_PAD);
if (skb) {
np->put_rx_ctx->skb = skb;
- np->put_rx_ctx->dma = pci_map_single(np->pci_dev,
+ np->put_rx_ctx->dma = dma_map_single(&np->pci_dev->dev,
skb->data,
skb_tailroom(skb),
- PCI_DMA_FROMDEVICE);
- if (pci_dma_mapping_error(np->pci_dev,
- np->put_rx_ctx->dma)) {
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(&np->pci_dev->dev,
+ np->put_rx_ctx->dma)) {
kfree_skb(skb);
goto packet_dropped;
}
@@ -1975,9 +1975,9 @@ static void nv_unmap_txskb(struct fe_priv *np, struct nv_skb_map *tx_skb)
{
if (tx_skb->dma) {
if (tx_skb->dma_single)
- pci_unmap_single(np->pci_dev, tx_skb->dma,
+ dma_unmap_single(&np->pci_dev->dev, tx_skb->dma,
tx_skb->dma_len,
- PCI_DMA_TODEVICE);
+ DMA_TO_DEVICE);
else
pci_unmap_page(np->pci_dev, tx_skb->dma,
tx_skb->dma_len,
@@ -2045,10 +2045,10 @@ static void nv_drain_rx(struct net_device *dev)
}
wmb();
if (np->rx_skb[i].skb) {
- pci_unmap_single(np->pci_dev, np->rx_skb[i].dma,
+ dma_unmap_single(&np->pci_dev->dev, np->rx_skb[i].dma,
(skb_end_pointer(np->rx_skb[i].skb) -
- np->rx_skb[i].skb->data),
- PCI_DMA_FROMDEVICE);
+ np->rx_skb[i].skb->data),
+ DMA_FROM_DEVICE);
dev_kfree_skb(np->rx_skb[i].skb);
np->rx_skb[i].skb = NULL;
}
@@ -2221,10 +2221,11 @@ static netdev_tx_t nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
prev_tx = put_tx;
prev_tx_ctx = np->put_tx_ctx;
bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size;
- np->put_tx_ctx->dma = pci_map_single(np->pci_dev, skb->data + offset, bcnt,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(np->pci_dev,
- np->put_tx_ctx->dma)) {
+ np->put_tx_ctx->dma = dma_map_single(&np->pci_dev->dev,
+ skb->data + offset, bcnt,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(&np->pci_dev->dev,
+ np->put_tx_ctx->dma)) {
/* on DMA mapping error - drop the packet */
dev_kfree_skb_any(skb);
u64_stats_update_begin(&np->swstats_tx_syncp);
@@ -2369,10 +2370,11 @@ static netdev_tx_t nv_start_xmit_optimized(struct sk_buff *skb,
prev_tx = put_tx;
prev_tx_ctx = np->put_tx_ctx;
bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size;
- np->put_tx_ctx->dma = pci_map_single(np->pci_dev, skb->data + offset, bcnt,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(np->pci_dev,
- np->put_tx_ctx->dma)) {
+ np->put_tx_ctx->dma = dma_map_single(&np->pci_dev->dev,
+ skb->data + offset, bcnt,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(&np->pci_dev->dev,
+ np->put_tx_ctx->dma)) {
/* on DMA mapping error - drop the packet */
dev_kfree_skb_any(skb);
u64_stats_update_begin(&np->swstats_tx_syncp);
@@ -2805,9 +2807,9 @@ static int nv_rx_process(struct net_device *dev, int limit)
* TODO: check if a prefetch of the first cacheline improves
* the performance.
*/
- pci_unmap_single(np->pci_dev, np->get_rx_ctx->dma,
- np->get_rx_ctx->dma_len,
- PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&np->pci_dev->dev, np->get_rx_ctx->dma,
+ np->get_rx_ctx->dma_len,
+ DMA_FROM_DEVICE);
skb = np->get_rx_ctx->skb;
np->get_rx_ctx->skb = NULL;
@@ -2911,9 +2913,9 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit)
* TODO: check if a prefetch of the first cacheline improves
* the performance.
*/
- pci_unmap_single(np->pci_dev, np->get_rx_ctx->dma,
- np->get_rx_ctx->dma_len,
- PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&np->pci_dev->dev, np->get_rx_ctx->dma,
+ np->get_rx_ctx->dma_len,
+ DMA_FROM_DEVICE);
skb = np->get_rx_ctx->skb;
np->get_rx_ctx->skb = NULL;
@@ -5065,11 +5067,11 @@ static int nv_loopback_test(struct net_device *dev)
ret = 0;
goto out;
}
- test_dma_addr = pci_map_single(np->pci_dev, tx_skb->data,
+ test_dma_addr = dma_map_single(&np->pci_dev->dev, tx_skb->data,
skb_tailroom(tx_skb),
- PCI_DMA_FROMDEVICE);
- if (pci_dma_mapping_error(np->pci_dev,
- test_dma_addr)) {
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(&np->pci_dev->dev,
+ test_dma_addr)) {
dev_kfree_skb_any(tx_skb);
goto out;
}
@@ -5124,9 +5126,9 @@ static int nv_loopback_test(struct net_device *dev)
}
}
- pci_unmap_single(np->pci_dev, test_dma_addr,
- (skb_end_pointer(tx_skb) - tx_skb->data),
- PCI_DMA_TODEVICE);
+ dma_unmap_single(&np->pci_dev->dev, test_dma_addr,
+ (skb_end_pointer(tx_skb) - tx_skb->data),
+ DMA_TO_DEVICE);
dev_kfree_skb_any(tx_skb);
out:
/* stop engines */
--
2.7.4
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