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yaml
---
r: 49048
b: refs/heads/master
c: 97db9ee
h: refs/heads/master
v: v3
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Gary Zambrano authored and Jeff Garzik committed Feb 17, 2007
1 parent 8b15b18 commit 2b4ab9c
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Showing 2 changed files with 9 additions and 10 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: ca6efb7d6c9336acda2e7b76a39b59bbfe77ec13
refs/heads/master: 97db9ee7ee86aba1117ea6605413e0972b506fbc
17 changes: 8 additions & 9 deletions trunk/drivers/net/b44.c
Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,6 @@
#define B44_DEF_TX_RING_PENDING (B44_TX_RING_SIZE - 1)
#define B44_TX_RING_BYTES (sizeof(struct dma_desc) * \
B44_TX_RING_SIZE)
#define B44_DMA_MASK 0x3fffffff

#define TX_RING_GAP(BP) \
(B44_TX_RING_SIZE - (BP)->tx_pending)
Expand Down Expand Up @@ -665,7 +664,7 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
/* Hardware bug work-around, the chip is unable to do PCI DMA
to/from anything above 1GB :-( */
if (dma_mapping_error(mapping) ||
mapping + RX_PKT_BUF_SZ > B44_DMA_MASK) {
mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) {
/* Sigh... */
if (!dma_mapping_error(mapping))
pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE);
Expand All @@ -677,7 +676,7 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
RX_PKT_BUF_SZ,
PCI_DMA_FROMDEVICE);
if (dma_mapping_error(mapping) ||
mapping + RX_PKT_BUF_SZ > B44_DMA_MASK) {
mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) {
if (!dma_mapping_error(mapping))
pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE);
dev_kfree_skb_any(skb);
Expand Down Expand Up @@ -988,7 +987,7 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
}

mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
if (dma_mapping_error(mapping) || mapping + len > B44_DMA_MASK) {
if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) {
/* Chip can't handle DMA to/from >1GB, use bounce buffer */
if (!dma_mapping_error(mapping))
pci_unmap_single(bp->pdev, mapping, len, PCI_DMA_TODEVICE);
Expand All @@ -1000,7 +999,7 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)

mapping = pci_map_single(bp->pdev, bounce_skb->data,
len, PCI_DMA_TODEVICE);
if (dma_mapping_error(mapping) || mapping + len > B44_DMA_MASK) {
if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) {
if (!dma_mapping_error(mapping))
pci_unmap_single(bp->pdev, mapping,
len, PCI_DMA_TODEVICE);
Expand Down Expand Up @@ -1227,7 +1226,7 @@ static int b44_alloc_consistent(struct b44 *bp)
DMA_BIDIRECTIONAL);

if (dma_mapping_error(rx_ring_dma) ||
rx_ring_dma + size > B44_DMA_MASK) {
rx_ring_dma + size > DMA_30BIT_MASK) {
kfree(rx_ring);
goto out_err;
}
Expand All @@ -1254,7 +1253,7 @@ static int b44_alloc_consistent(struct b44 *bp)
DMA_TO_DEVICE);

if (dma_mapping_error(tx_ring_dma) ||
tx_ring_dma + size > B44_DMA_MASK) {
tx_ring_dma + size > DMA_30BIT_MASK) {
kfree(tx_ring);
goto out_err;
}
Expand Down Expand Up @@ -2151,13 +2150,13 @@ static int __devinit b44_init_one(struct pci_dev *pdev,

pci_set_master(pdev);

err = pci_set_dma_mask(pdev, (u64) B44_DMA_MASK);
err = pci_set_dma_mask(pdev, (u64) DMA_30BIT_MASK);
if (err) {
dev_err(&pdev->dev, "No usable DMA configuration, aborting.\n");
goto err_out_free_res;
}

err = pci_set_consistent_dma_mask(pdev, (u64) B44_DMA_MASK);
err = pci_set_consistent_dma_mask(pdev, (u64) DMA_30BIT_MASK);
if (err) {
dev_err(&pdev->dev, "No usable DMA configuration, aborting.\n");
goto err_out_free_res;
Expand Down

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