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path: root/drivers/net/ethernet/natsemi/ns83820.c
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Diffstat (limited to 'drivers/net/ethernet/natsemi/ns83820.c')
-rw-r--r--drivers/net/ethernet/natsemi/ns83820.c77
1 files changed, 40 insertions, 37 deletions
diff --git a/drivers/net/ethernet/natsemi/ns83820.c b/drivers/net/ethernet/natsemi/ns83820.c
index 8e24c7acf79b..72794d158871 100644
--- a/drivers/net/ethernet/natsemi/ns83820.c
+++ b/drivers/net/ethernet/natsemi/ns83820.c
@@ -526,8 +526,8 @@ static inline int ns83820_add_rx_skb(struct ns83820 *dev, struct sk_buff *skb)
dev->rx_info.next_empty = (next_empty + 1) % NR_RX_DESC;
cmdsts = REAL_RX_BUF_SIZE | CMDSTS_INTR;
- buf = pci_map_single(dev->pci_dev, skb->data,
- REAL_RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+ buf = dma_map_single(&dev->pci_dev->dev, skb->data, REAL_RX_BUF_SIZE,
+ DMA_FROM_DEVICE);
build_rx_desc(dev, sg, 0, buf, cmdsts, 0);
/* update link of previous rx */
if (likely(next_empty != dev->rx_info.next_rx))
@@ -600,12 +600,14 @@ static void phy_intr(struct net_device *ndev)
struct ns83820 *dev = PRIV(ndev);
static const char *speeds[] = { "10", "100", "1000", "1000(?)", "1000F" };
u32 cfg, new_cfg;
- u32 tbisr, tanar, tanlpar;
+ u32 tanar, tanlpar;
int speed, fullduplex, newlinkstate;
cfg = readl(dev->base + CFG) ^ SPDSTS_POLARITY;
if (dev->CFG_cache & CFG_TBI_EN) {
+ u32 __maybe_unused tbisr;
+
/* we have an optical transceiver */
tbisr = readl(dev->base + TBISR);
tanar = readl(dev->base + TANAR);
@@ -858,8 +860,8 @@ static void rx_irq(struct net_device *ndev)
mb();
clear_rx_desc(dev, next_rx);
- pci_unmap_single(dev->pci_dev, bufptr,
- RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&dev->pci_dev->dev, bufptr, RX_BUF_SIZE,
+ DMA_FROM_DEVICE);
len = cmdsts & CMDSTS_LEN_MASK;
#ifdef NS83820_VLAN_ACCEL_SUPPORT
/* NH: As was mentioned below, this chip is kinda
@@ -923,10 +925,10 @@ out:
spin_unlock_irqrestore(&info->lock, flags);
}
-static void rx_action(unsigned long _dev)
+static void rx_action(struct tasklet_struct *t)
{
- struct net_device *ndev = (void *)_dev;
- struct ns83820 *dev = PRIV(ndev);
+ struct ns83820 *dev = from_tasklet(dev, t, rx_tasklet);
+ struct net_device *ndev = dev->ndev;
rx_irq(ndev);
writel(ihr, dev->base + IHR);
@@ -985,17 +987,13 @@ static void do_tx_done(struct net_device *ndev)
len = cmdsts & CMDSTS_LEN_MASK;
addr = desc_addr_get(desc + DESC_BUFPTR);
if (skb) {
- pci_unmap_single(dev->pci_dev,
- addr,
- len,
- PCI_DMA_TODEVICE);
+ dma_unmap_single(&dev->pci_dev->dev, addr, len,
+ DMA_TO_DEVICE);
dev_consume_skb_irq(skb);
atomic_dec(&dev->nr_tx_skbs);
} else
- pci_unmap_page(dev->pci_dev,
- addr,
- len,
- PCI_DMA_TODEVICE);
+ dma_unmap_page(&dev->pci_dev->dev, addr, len,
+ DMA_TO_DEVICE);
tx_done_idx = (tx_done_idx + 1) % NR_TX_DESC;
dev->tx_done_idx = tx_done_idx;
@@ -1023,10 +1021,10 @@ static void ns83820_cleanup_tx(struct ns83820 *dev)
dev->tx_skbs[i] = NULL;
if (skb) {
__le32 *desc = dev->tx_descs + (i * DESC_SIZE);
- pci_unmap_single(dev->pci_dev,
- desc_addr_get(desc + DESC_BUFPTR),
- le32_to_cpu(desc[DESC_CMDSTS]) & CMDSTS_LEN_MASK,
- PCI_DMA_TODEVICE);
+ dma_unmap_single(&dev->pci_dev->dev,
+ desc_addr_get(desc + DESC_BUFPTR),
+ le32_to_cpu(desc[DESC_CMDSTS]) & CMDSTS_LEN_MASK,
+ DMA_TO_DEVICE);
dev_kfree_skb_irq(skb);
atomic_dec(&dev->nr_tx_skbs);
}
@@ -1121,7 +1119,8 @@ again:
len = skb->len;
if (nr_frags)
len -= skb->data_len;
- buf = pci_map_single(dev->pci_dev, skb->data, len, PCI_DMA_TODEVICE);
+ buf = dma_map_single(&dev->pci_dev->dev, skb->data, len,
+ DMA_TO_DEVICE);
first_desc = dev->tx_descs + (free_idx * DESC_SIZE);
@@ -1207,7 +1206,7 @@ static int ns83820_get_link_ksettings(struct net_device *ndev,
struct ethtool_link_ksettings *cmd)
{
struct ns83820 *dev = PRIV(ndev);
- u32 cfg, tanar, tbicr;
+ u32 cfg, tbicr;
int fullduplex = 0;
u32 supported;
@@ -1226,7 +1225,7 @@ static int ns83820_get_link_ksettings(struct net_device *ndev,
/* read current configuration */
cfg = readl(dev->base + CFG) ^ SPDSTS_POLARITY;
- tanar = readl(dev->base + TANAR);
+ readl(dev->base + TANAR);
tbicr = readl(dev->base + TBICR);
fullduplex = (cfg & CFG_DUPSTS) ? 1 : 0;
@@ -1902,12 +1901,12 @@ static int ns83820_init_one(struct pci_dev *pci_dev,
/* See if we can set the dma mask early on; failure is fatal. */
if (sizeof(dma_addr_t) == 8 &&
- !pci_set_dma_mask(pci_dev, DMA_BIT_MASK(64))) {
+ !dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(64))) {
using_dac = 1;
- } else if (!pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) {
+ } else if (!dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32))) {
using_dac = 0;
} else {
- dev_warn(&pci_dev->dev, "pci_set_dma_mask failed!\n");
+ dev_warn(&pci_dev->dev, "dma_set_mask failed!\n");
return -ENODEV;
}
@@ -1927,7 +1926,7 @@ static int ns83820_init_one(struct pci_dev *pci_dev,
SET_NETDEV_DEV(ndev, &pci_dev->dev);
INIT_WORK(&dev->tq_refill, queue_refill);
- tasklet_init(&dev->rx_tasklet, rx_action, (unsigned long)ndev);
+ tasklet_setup(&dev->rx_tasklet, rx_action);
err = pci_enable_device(pci_dev);
if (err) {
@@ -1938,10 +1937,12 @@ static int ns83820_init_one(struct pci_dev *pci_dev,
pci_set_master(pci_dev);
addr = pci_resource_start(pci_dev, 1);
dev->base = ioremap(addr, PAGE_SIZE);
- dev->tx_descs = pci_alloc_consistent(pci_dev,
- 4 * DESC_SIZE * NR_TX_DESC, &dev->tx_phy_descs);
- dev->rx_info.descs = pci_alloc_consistent(pci_dev,
- 4 * DESC_SIZE * NR_RX_DESC, &dev->rx_info.phy_descs);
+ dev->tx_descs = dma_alloc_coherent(&pci_dev->dev,
+ 4 * DESC_SIZE * NR_TX_DESC,
+ &dev->tx_phy_descs, GFP_KERNEL);
+ dev->rx_info.descs = dma_alloc_coherent(&pci_dev->dev,
+ 4 * DESC_SIZE * NR_RX_DESC,
+ &dev->rx_info.phy_descs, GFP_KERNEL);
err = -ENOMEM;
if (!dev->base || !dev->tx_descs || !dev->rx_info.descs)
goto out_disable;
@@ -2183,8 +2184,10 @@ out_free_irq:
out_disable:
if (dev->base)
iounmap(dev->base);
- pci_free_consistent(pci_dev, 4 * DESC_SIZE * NR_TX_DESC, dev->tx_descs, dev->tx_phy_descs);
- pci_free_consistent(pci_dev, 4 * DESC_SIZE * NR_RX_DESC, dev->rx_info.descs, dev->rx_info.phy_descs);
+ dma_free_coherent(&pci_dev->dev, 4 * DESC_SIZE * NR_TX_DESC,
+ dev->tx_descs, dev->tx_phy_descs);
+ dma_free_coherent(&pci_dev->dev, 4 * DESC_SIZE * NR_RX_DESC,
+ dev->rx_info.descs, dev->rx_info.phy_descs);
pci_disable_device(pci_dev);
out_free:
free_netdev(ndev);
@@ -2205,10 +2208,10 @@ static void ns83820_remove_one(struct pci_dev *pci_dev)
unregister_netdev(ndev);
free_irq(dev->pci_dev->irq, ndev);
iounmap(dev->base);
- pci_free_consistent(dev->pci_dev, 4 * DESC_SIZE * NR_TX_DESC,
- dev->tx_descs, dev->tx_phy_descs);
- pci_free_consistent(dev->pci_dev, 4 * DESC_SIZE * NR_RX_DESC,
- dev->rx_info.descs, dev->rx_info.phy_descs);
+ dma_free_coherent(&dev->pci_dev->dev, 4 * DESC_SIZE * NR_TX_DESC,
+ dev->tx_descs, dev->tx_phy_descs);
+ dma_free_coherent(&dev->pci_dev->dev, 4 * DESC_SIZE * NR_RX_DESC,
+ dev->rx_info.descs, dev->rx_info.phy_descs);
pci_disable_device(dev->pci_dev);
free_netdev(ndev);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.